/* roulang page: index */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }
        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }
        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: -0.5px;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-bg);
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            display: block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
        }
        .main-nav a.active {
            color: var(--accent);
            font-weight: 700;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            font-size: 22px;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
        }
        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a,
        .breadcrumb-bar span {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent);
        }
        .breadcrumb-bar .current {
            color: var(--accent);
            font-weight: 600;
        }
        .breadcrumb-sep {
            color: var(--border-color);
            font-size: 12px;
        }
        .breadcrumb-back {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            transition: var(--transition);
        }
        .breadcrumb-back:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(11, 31, 26, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-section .grid-container {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        .hero-content {
            flex: 1.2;
        }
        .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .hero-badges .tag {
            font-size: 12px;
            padding: 6px 14px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-card-wrapper {
            flex: 0.8;
            min-width: 0;
        }
        .hero-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(6px);
        }
        .hero-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .hero-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 5px;
            font-weight: 500;
        }
        .form-group input {
            width: 100%;
            padding: 11px 14px;
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
        }
        .form-group input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 62, 0.12);
        }
        .form-group input::placeholder {
            color: rgba(154, 171, 159, 0.7);
        }
        .hero-card .btn {
            width: 100%;
            margin-top: 6px;
        }
        .hero-card .form-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 10px;
            text-align: center;
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 18px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-secondary);
            font-size: 20px;
            animation: scrollPulse 2s infinite;
        }
        @keyframes scrollPulse {
            0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
            50% { opacity: 0.9; transform: translateX(-50%) translateY(6px); }
        }

        /* Solution / Info Cards */
        .info-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 30px;
        }
        .info-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.3);
        }
        .info-card .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--deep-bg);
        }
        .info-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .info-card:hover .card-cover img {
            transform: scale(1.03);
        }
        .info-card .card-cover .cover-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(8,20,17,0.85) 100%);
            pointer-events: none;
        }
        .info-card .cover-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-bg);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.5px;
        }
        .info-card .cover-status {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(11, 31, 26, 0.85);
            color: var(--success);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.5px;
        }
        .info-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-card .card-title a {
            color: var(--text-main);
        }
        .info-card .card-title a:hover {
            color: var(--accent);
        }
        .info-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .info-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-secondary);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .info-card .card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }
        .info-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 30px;
        }
        .info-list-item {
            display: flex;
            gap: 16px;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .info-list-item:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateX(4px);
        }
        .info-list-item img {
            width: 110px;
            height: 72px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .info-list-item .list-content {
            flex: 1;
            min-width: 0;
        }
        .info-list-item .list-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-list-item .list-title a {
            color: var(--text-main);
        }
        .info-list-item .list-title a:hover {
            color: var(--accent);
        }
        .info-list-item .list-desc {
            font-size: 12px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-list-item .list-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        /* Stats / Achievement */
        .achievement-section {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-note {
            font-size: 12px;
            color: rgba(154, 171, 159, 0.7);
            margin-top: 4px;
        }

        /* Vertical Cards */
        .vertical-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .vertical-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }
        .vertical-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.3);
        }
        .vertical-card .v-cover {
            aspect-ratio: 3/4;
            overflow: hidden;
            position: relative;
        }
        .vertical-card .v-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .vertical-card:hover .v-cover img {
            transform: scale(1.04);
        }
        .vertical-card .v-body {
            padding: 16px;
        }
        .vertical-card .v-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .vertical-card .v-desc {
            font-size: 12px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .vertical-card .v-cta {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
        }

        /* Media Scroll */
        .media-scroll-container {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 0 22px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .media-scroll-container::-webkit-scrollbar {
            height: 5px;
        }
        .media-scroll-container::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll-container::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        .media-scroll-card {
            min-width: 280px;
            max-width: 300px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            scroll-snap-align: start;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .media-scroll-card:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateY(-3px);
        }
        .media-scroll-card .ms-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .media-scroll-card .ms-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .media-scroll-card .ms-cover .ms-type {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(8, 20, 17, 0.85);
            color: var(--accent);
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .media-scroll-card .ms-body {
            padding: 14px 16px;
        }
        .media-scroll-card .ms-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .media-scroll-card .ms-desc {
            font-size: 12px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Collection Directory */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .collection-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
            box-shadow: var(--shadow-card);
        }
        .collection-card:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .collection-card .coll-icon {
            font-size: 26px;
            color: var(--accent);
        }
        .collection-card .coll-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }
        .collection-card .coll-count {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .collection-card .coll-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .collection-card .coll-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .testimonial-card:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateY(-3px);
        }
        .testimonial-card .t-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--deep-bg);
            border: 1.5px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-card .t-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .testimonial-card .t-role {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .testimonial-card .t-rating {
            color: var(--warning);
            font-size: 12px;
            letter-spacing: 1px;
        }
        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .testimonial-card .t-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 30px;
        }
        .news-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: rgba(200, 240, 62, 0.3);
            transform: translateX(4px);
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            padding-top: 2px;
            flex-shrink: 0;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-title a {
            color: var(--text-main);
        }
        .news-item .news-title a:hover {
            color: var(--accent);
        }
        .news-item .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Partner Tags */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 30px;
        }
        .partner-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
        }
        .partner-item:hover {
            border-color: rgba(200, 240, 62, 0.3);
        }
        .partner-item .p-icon {
            font-size: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .partner-item .p-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .partner-item .p-desc {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .brand-intro-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .brand-intro-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .brand-intro-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            text-align: justify;
            text-justify: inter-ideograph;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 30px auto 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.25);
        }
        .faq-item .faq-question {
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question .faq-icon {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
            border-left: 3px solid var(--accent);
            margin-left: 18px;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(180deg, rgba(8, 20, 17, 0.9) 0%, rgba(11, 31, 26, 0.97) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 70px 0;
            border-top: 1px solid var(--border-color);
        }
        .cta-wrapper {
            display: flex;
            align-items: center;
            gap: 40px;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .cta-content {
            flex: 1.2;
            min-width: 280px;
        }
        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-content h2 .highlight {
            color: var(--accent);
        }
        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .cta-form-wrapper {
            flex: 0.8;
            min-width: 280px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .cta-form-wrapper h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .cta-form-wrapper p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .cta-form-wrapper .form-row {
            display: flex;
            gap: 10px;
        }
        .cta-form-wrapper input {
            flex: 1;
            padding: 11px 14px;
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-main);
            font-size: 14px;
        }
        .cta-form-wrapper input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 62, 0.12);
        }
        .cta-form-wrapper input::placeholder {
            color: rgba(154, 171, 159, 0.7);
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .vertical-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header .grid-container {
                height: 60px;
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                border-bottom: 2px solid var(--border-color);
                padding: 16px;
                gap: 4px;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-cta .btn-outline {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-section {
                padding: 50px 0;
                min-height: auto;
            }
            .hero-section .grid-container {
                flex-direction: column;
                align-items: stretch;
                gap: 30px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content .hero-subtitle {
                font-size: 15px;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .info-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .vertical-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .collection-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .partner-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cta-wrapper {
                flex-direction: column;
                align-items: stretch;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-grid .stat-card .stat-number {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .vertical-card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-number {
                font-size: 24px;
            }
            .hero-card {
                padding: 18px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 13px;
            }
            .btn-lg {
                padding: 12px 26px;
                font-size: 15px;
            }
            .breadcrumb-back {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-title-sm {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }
        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }
        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }
        .tag-danger {
            border-color: rgba(255, 92, 92, 0.5);
            color: var(--danger);
            background: rgba(255, 92, 92, 0.08);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.96);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 19px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--accent);
            color: var(--primary-bg);
            font-size: 17px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav li a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
            font-weight: 600;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumbs */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
        }
        .breadcrumb-list li {
            color: var(--text-secondary);
        }
        .breadcrumb-list li a {
            color: var(--text-secondary);
        }
        .breadcrumb-list li a:hover {
            color: var(--accent);
        }
        .breadcrumb-list li.separator {
            color: var(--border-color);
            margin: 0 2px;
        }
        .breadcrumb-list li.current {
            color: var(--accent);
            font-weight: 600;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        .back-link:hover {
            color: var(--accent);
        }

        /* Category Hero */
        .category-hero {
            background-image: linear-gradient(rgba(8, 20, 17, 0.78), rgba(8, 20, 17, 0.9)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0 56px;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero-content {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: center;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .category-hero .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 600px;
            margin-bottom: 20px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 22px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-item .stat-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
        }
        .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .hero-side-card {
            background: rgba(20, 35, 29, 0.92);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .hero-side-card .side-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .side-card-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(36, 55, 46, 0.5);
        }
        .side-card-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .side-card-list li span:last-child {
            color: var(--text-main);
            font-weight: 600;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-group label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-right: 4px;
        }
        .filter-chip {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.02);
        }
        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
            font-weight: 700;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-sort select {
            background: var(--deep-bg);
            color: var(--text-main);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 7px 12px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-sort select:focus {
            outline: none;
            border-color: var(--accent);
        }
        .filter-sort select option {
            background: var(--primary-bg);
            color: var(--text-main);
        }

        /* Feed Cards */
        .feed-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feed-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .feed-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.35);
        }
        .feed-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #0a1712;
        }
        .feed-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feed-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .feed-card .card-cover .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 20, 17, 0.35), transparent 55%);
        }
        .feed-card .cover-tags {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .feed-card .cover-status {
            position: absolute;
            top: 12px;
            right: 12px;
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 600;
            color: var(--success);
            background: rgba(8, 20, 17, 0.8);
            padding: 4px 10px;
            border-radius: var(--radius-tag);
        }
        .feed-card .cover-status.live {
            color: var(--danger);
        }
        .feed-card .cover-status.live .status-dot {
            background: var(--danger);
            animation: pulse-dot 1.2s ease infinite;
        }
        .status-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .feed-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .feed-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feed-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .feed-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
            padding-top: 12px;
            border-top: 1px solid rgba(36, 55, 46, 0.5);
        }
        .feed-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .feed-card .card-meta i {
            margin-right: 4px;
            font-size: 11px;
        }

        /* Featured large card */
        .feed-card.featured {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            min-height: 280px;
        }
        .feed-card.featured .card-cover {
            aspect-ratio: auto;
            height: 100%;
            min-height: 260px;
        }
        .feed-card.featured .card-body {
            padding: 26px 28px;
            justify-content: center;
        }
        .feed-card.featured .card-title {
            font-size: 22px;
            -webkit-line-clamp: 3;
        }
        .feed-card.featured .card-summary {
            -webkit-line-clamp: 3;
            font-size: 15px;
        }

        /* SEO Text Section */
        .seo-text-section {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            margin-top: 36px;
        }
        .seo-text-section h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .seo-text-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .seo-text-section p:last-child {
            margin-bottom: 0;
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 32px 0 12px;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .page-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .page-btn.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
            font-weight: 700;
        }
        .page-btn.load-more {
            min-width: auto;
            padding: 0 22px;
            background: var(--secondary-bg);
            border-color: var(--accent);
            color: var(--accent);
            font-weight: 600;
        }
        .page-btn.load-more:hover {
            background: var(--accent);
            color: var(--primary-bg);
        }

        /* FAQ */
        .faq-section {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            margin-top: 44px;
        }
        .faq-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 22px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item {
            border-bottom: 1px solid rgba(36, 55, 46, 0.6);
            padding: 16px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding-top: 10px;
            margin: 0;
        }
        .faq-item.open {
            border-left: 3px solid var(--accent);
            padding-left: 16px;
        }

        /* CTA Section */
        .cta-section {
            background-image: linear-gradient(rgba(8, 20, 17, 0.82), rgba(8, 20, 17, 0.92)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0;
            border-radius: var(--radius-card);
            margin-top: 44px;
            border: 1px solid var(--border-color);
        }
        .cta-section .cta-content {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 36px;
            align-items: center;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 480px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(8, 20, 17, 0.8);
            border: 1.5px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(154, 171, 159, 0.6);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 62, 0.12);
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
            margin-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 340px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 13px;
            color: var(--text-secondary);
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-side-card {
                max-width: 480px;
            }
            .feed-card.featured {
                grid-template-columns: 1fr;
            }
            .feed-card.featured .card-cover {
                min-height: 220px;
                aspect-ratio: 16/9;
            }
        }
        @media (max-width: 768px) {
            .site-header .grid-container {
                height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                flex-direction: column;
                padding: 16px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                display: block;
                padding: 10px 16px;
                font-size: 15px;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-cta .btn {
                display: none;
            }
            .category-hero {
                padding: 36px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .feed-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .seo-text-section,
            .faq-section {
                padding: 24px 20px;
            }
            .cta-section .cta-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 12px;
            }
            .section-title {
                font-size: 24px;
            }
            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-stats {
                gap: 16px;
            }
            .pagination-wrap {
                gap: 6px;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .hero-stat-item .stat-num {
                font-size: 20px;
            }
            .feed-card.featured .card-body {
                padding: 18px 16px;
            }
            .feed-card.featured .card-title {
                font-size: 18px;
            }
            .feed-card .card-body {
                padding: 14px 16px 16px;
            }
            .cta-form input {
                min-width: 100%;
            }
            .cta-form .btn {
                width: 100%;
            }
            .filter-group {
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
            .filter-group label {
                white-space: nowrap;
            }
            .filter-chip {
                white-space: nowrap;
                flex-shrink: 0;
            }
            .filter-sort {
                width: 100%;
            }
            .filter-sort select {
                flex: 1;
                width: 100%;
            }
            .btn-sm {
                padding: 7px 14px;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
        }
        * {
            box-sizing: border-box;
        }
        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-padding {
            padding: var(--section-padding);
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }
        .btn:focus-visible, a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }
        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }
        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }
        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
            gap: 8px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--primary-bg);
            border-radius: 8px;
            font-size: 17px;
            flex-shrink: 0;
        }
        .main-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav li {
            margin: 0;
        }
        .main-nav a {
            display: block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
            border-bottom: 2px solid var(--accent);
            border-radius: 8px 8px 0 0;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-cta .btn {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .breadcrumb .separator {
            color: var(--border-color);
            font-size: 12px;
        }
        .breadcrumb .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 14px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            transition: var(--transition);
        }
        .breadcrumb .back-link:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        /* Category Hero */
        .category-hero {
            padding: 40px 0 28px;
            background: linear-gradient(180deg, var(--deep-bg) 0%, var(--primary-bg) 100%);
        }
        .category-hero .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero-content {
            max-width: 680px;
        }
        .category-hero-content h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 10px;
            color: var(--text-main);
            letter-spacing: -0.5px;
        }
        .category-hero-content .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 18px;
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-item .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .category-hero-side {
            flex-shrink: 0;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .category-hero-side .quick-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            min-width: 180px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .quick-card .qc-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 6px;
        }
        .quick-card .qc-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 2px;
        }
        .quick-card .qc-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            font-family: var(--font-num);
        }
        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin: 0 0 32px;
        }
        .filter-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-group .filter-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            white-space: nowrap;
            margin-right: 2px;
        }
        .filter-chip {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .filter-toolbar .search-box {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-toolbar .search-box input {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            width: 180px;
            transition: var(--transition);
        }
        .filter-toolbar .search-box input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .filter-toolbar .search-box button {
            background: var(--accent);
            color: var(--primary-bg);
            border: none;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .filter-toolbar .search-box button:hover {
            background: var(--accent-hover);
        }
        /* Info Feed Cards */
        .feed-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .feed-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .feed-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.25);
        }
        .feed-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--deep-bg);
        }
        .feed-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feed-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .feed-card .card-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .feed-card .card-body {
            padding: 18px 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feed-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 8px;
            color: var(--text-main);
            letter-spacing: -0.2px;
        }
        .feed-card .card-body h3 a {
            color: var(--text-main);
            transition: var(--transition);
        }
        .feed-card .card-body h3 a:hover {
            color: var(--accent);
        }
        .feed-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feed-card .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .feed-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .feed-card .card-meta .meta-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
        }
        /* Large card variant */
        .feed-card-large {
            grid-column: span 7;
        }
        .feed-card-standard {
            grid-column: span 5;
        }
        .feed-card-standard .card-cover {
            aspect-ratio: 16/10;
        }
        /* Horizontal list card */
        .feed-card-horizontal {
            grid-column: span 12;
            flex-direction: row;
            align-items: stretch;
            min-height: 120px;
        }
        .feed-card-horizontal .card-cover {
            width: 280px;
            flex-shrink: 0;
            aspect-ratio: auto;
            min-height: 100%;
        }
        .feed-card-horizontal .card-body {
            flex: 1;
            padding: 16px 20px;
        }
        .feed-card-horizontal .card-body h3 {
            font-size: 16px;
        }
        .feed-card-horizontal .card-summary {
            -webkit-line-clamp: 2;
        }
        /* Data highlight card */
        .feed-card-data {
            grid-column: span 12;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--deep-bg) 100%);
            border-left: 3px solid var(--accent);
            flex-direction: row;
            align-items: center;
            gap: 24px;
            padding: 20px 24px;
        }
        .feed-card-data .data-indicator {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .data-indicator .di-item {
            text-align: center;
            min-width: 90px;
        }
        .data-indicator .di-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .data-indicator .di-label {
            font-size: 12px;
            color: var(--text-secondary);
        }
        /* Pagination / Load More */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            margin: 20px 0 40px;
        }
        .load-more-btn {
            background: transparent;
            border: 1.5px solid var(--border-color);
            color: var(--text-main);
            padding: 12px 40px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .load-more-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(200, 240, 62, 0.05);
        }
        /* SEO Text Section */
        .seo-text-section {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 40px 0;
        }
        .seo-text-section .seo-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 100%;
        }
        .seo-text-section .seo-text p {
            margin-bottom: 16px;
        }
        .seo-text-section .seo-text p:last-child {
            margin-bottom: 0;
        }
        /* Data Snapshot Section */
        .data-snapshot {
            background: var(--secondary-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            padding: 32px 28px;
            margin: 40px 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }
        .data-snapshot .ds-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid var(--border-color);
        }
        .data-snapshot .ds-item:last-child {
            border-right: none;
        }
        .data-snapshot .ds-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .data-snapshot .ds-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        /* FAQ Section */
        .faq-section {
            padding: 50px 0 60px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.3);
        }
        .faq-item .faq-question {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            list-style: none;
            user-select: none;
        }
        .faq-item .faq-question .faq-icon {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }
        .faq-item .faq-question.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item .faq-answer.open {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--secondary-bg) 50%, var(--primary-bg) 100%);
            padding: 60px 0;
            border-top: 1px solid var(--border-color);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-content {
            max-width: 560px;
        }
        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 12px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }
        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 18px;
        }
        .cta-form {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-form input {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 14px;
            min-width: 240px;
            flex: 1;
            transition: var(--transition);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .cta-form input::placeholder {
            color: var(--text-secondary);
            opacity: 0.7;
        }
        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 380px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li {
            margin: 0;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
            color: var(--text-secondary);
            align-items: center;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .feed-card-large {
                grid-column: span 12;
            }
            .feed-card-standard {
                grid-column: span 6;
            }
            .feed-card-horizontal .card-cover {
                width: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --section-padding: 50px 0;
                --section-padding-mobile: 40px 0;
            }
            .site-header .grid-container {
                height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--deep-bg);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                text-align: left;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta .btn {
                display: none;
            }
            .nav-cta .btn-sm {
                display: none;
            }
            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .category-hero .grid-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .category-hero-content h1 {
                font-size: 26px;
            }
            .category-hero-side {
                width: 100%;
            }
            .category-hero-side .quick-card {
                flex: 1;
                min-width: auto;
            }
            .feed-grid {
                gap: 14px;
            }
            .feed-card-standard {
                grid-column: span 12;
            }
            .feed-card-horizontal {
                flex-direction: column;
            }
            .feed-card-horizontal .card-cover {
                width: 100%;
                min-height: 180px;
                aspect-ratio: 16/9;
            }
            .feed-card-data {
                flex-direction: column;
                gap: 16px;
                padding: 16px 18px;
            }
            .filter-toolbar {
                padding: 12px 14px;
            }
            .filter-toolbar .search-box {
                margin-left: 0;
                width: 100%;
            }
            .filter-toolbar .search-box input {
                width: 100%;
                flex: 1;
            }
            .filter-group {
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px 16px;
            }
            .data-snapshot .ds-item {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding: 10px 6px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-form {
                width: 100%;
            }
            .cta-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
        }
        @media screen and (max-width: 520px) {
            .category-hero-content h1 {
                font-size: 22px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item .stat-num {
                font-size: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .feed-card .card-body h3 {
                font-size: 15px;
            }
            .feed-card .card-summary {
                -webkit-line-clamp: 3;
                font-size: 13px;
            }
            .data-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-snapshot .ds-num {
                font-size: 22px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .cta-form {
                padding: 18px 16px;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }
        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }
        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-bg);
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .brand-logo:hover {
            color: var(--text-main);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav li a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
            font-weight: 700;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }
        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .separator {
            color: var(--border-color);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 600;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-back:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(160deg, #0B1F1A 0%, #081411 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.4;
        }
        .category-hero .grid-container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            background: rgba(200, 240, 62, 0.1);
            border: 1px solid rgba(200, 240, 62, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text-main);
            margin-bottom: 18px;
            max-width: 700px;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-chip {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
        }
        .hero-stat-chip i {
            color: var(--accent);
            font-size: 12px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            margin: 32px 0 36px;
        }
        .filter-toolbar .filter-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 14px;
        }
        .filter-toolbar .filter-row:last-child {
            margin-bottom: 0;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            min-width: 56px;
            white-space: nowrap;
        }
        .filter-toolbar .filter-chips {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-chip {
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-toolbar .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-toolbar .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
            font-weight: 700;
        }
        .filter-toolbar .filter-select {
            padding: 7px 14px;
            border-radius: 8px;
            background: var(--deep-bg);
            color: var(--text-main);
            border: 1px solid var(--border-color);
            font-size: 13px;
            cursor: pointer;
            outline: none;
            transition: var(--transition);
        }
        .filter-toolbar .filter-select:focus {
            border-color: var(--accent);
        }
        .filter-toolbar .mobile-scroll {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 4px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .filter-toolbar .mobile-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .filter-toolbar .mobile-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .filter-toolbar .mobile-scroll::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .info-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.25);
        }
        .info-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--deep-bg);
        }
        .info-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .info-card:hover .card-cover img {
            transform: scale(1.02);
        }
        .info-card .card-cover .cover-tags {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .info-card .card-cover .status-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 8px rgba(45, 212, 167, 0.6);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(0.85); }
        }
        .info-card .card-body {
            padding: 20px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .info-card .card-title:hover {
            color: var(--accent);
        }
        .info-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .info-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .info-card .card-meta i {
            font-size: 12px;
            margin-right: 4px;
            color: var(--border-color);
        }
        .info-card .tag-cat {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.3px;
            background: rgba(200, 240, 62, 0.1);
            color: var(--accent);
            border: 1px solid rgba(200, 240, 62, 0.25);
        }

        /* List variant cards */
        .list-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px;
            display: flex;
            gap: 16px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            cursor: pointer;
            align-items: center;
        }
        .list-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.25);
        }
        .list-card .list-thumb {
            width: 100px;
            height: 68px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--deep-bg);
        }
        .list-card .list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .list-card:hover .list-thumb img {
            transform: scale(1.05);
        }
        .list-card .list-content {
            flex: 1;
            min-width: 0;
        }
        .list-card .list-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: var(--transition);
        }
        .list-card:hover .list-title {
            color: var(--accent);
        }
        .list-card .list-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 36px 0 20px;
            flex-wrap: wrap;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
        }
        .page-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .page-btn.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: transparent;
            border: 1.5px solid var(--border-color);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .load-more-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* SEO Text Section */
        .seo-text-section {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            margin-top: 40px;
        }
        .seo-text-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .seo-text-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .seo-text-section p:last-child {
            margin-bottom: 0;
        }

        /* Sidebar */
        .sidebar-widget {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            margin-bottom: 20px;
        }
        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-widget .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-widget .hot-tags .tag-sm {
            padding: 5px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
            background: transparent;
        }
        .sidebar-widget .hot-tags .tag-sm:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .sidebar-widget .mini-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-widget .mini-list li {
            display: flex;
            gap: 8px;
            align-items: baseline;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 13px;
            color: var(--text-secondary);
        }
        .sidebar-widget .mini-list li:last-child {
            border-bottom: none;
        }
        .sidebar-widget .mini-list li i {
            color: var(--accent);
            font-size: 10px;
        }
        .sidebar-widget .quick-link {
            display: block;
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        .sidebar-widget .quick-link:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.25);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 240, 62, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            border-left: 3px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px 20px;
            border-left-color: var(--accent);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary-bg);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0B1F1A 0%, #081411 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }
        .cta-section .cta-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section .cta-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 36px;
            padding-bottom: 32px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .site-header .grid-container {
                height: 60px;
                position: relative;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--deep-bg);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                display: block;
                padding: 10px 14px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta .btn-sm {
                display: none;
            }
            .nav-cta .nav-toggle {
                display: flex;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-hero {
                padding: 40px 0 48px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .filter-toolbar {
                padding: 14px 16px;
                margin: 20px 0 24px;
            }
            .filter-toolbar .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .filter-toolbar .filter-select {
                width: 100%;
            }
            .seo-text-section {
                padding: 24px 20px;
            }
            .seo-text-section h2 {
                font-size: 19px;
            }
            .cta-section {
                padding: 50px 16px;
            }
            .cta-section .cta-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-chip {
                font-size: 11px;
                padding: 5px 10px;
            }
            .pagination-wrap {
                gap: 4px;
            }
            .page-btn {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .list-card {
                padding: 12px;
                gap: 12px;
            }
            .list-card .list-thumb {
                width: 80px;
                height: 56px;
            }
            .list-card .list-title {
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 22px;
                line-height: 1.4;
            }
            .info-card .card-title {
                font-size: 15px;
            }
            .info-card .card-summary {
                font-size: 13px;
            }
            .info-card .card-body {
                padding: 14px 14px 12px;
            }
            .info-card .card-meta {
                font-size: 12px;
                gap: 6px;
            }
            .cta-section .cta-title {
                font-size: 21px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .sidebar-widget {
                padding: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }

        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }

        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }

        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-bg);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
        }

        .main-nav li a.active {
            color: var(--accent);
            font-weight: 700;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }

        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb li a:hover {
            color: var(--accent);
        }

        .breadcrumb li.current {
            color: var(--accent);
            font-weight: 600;
        }

        .breadcrumb-sep {
            color: var(--border-color);
            font-size: 12px;
        }

        .back-link {
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            font-weight: 600;
        }

        .back-link:hover {
            color: var(--accent);
        }

        /* Category hero */
        .category-hero {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--primary-bg) 50%, var(--secondary-bg) 100%);
            padding: 60px 0 50px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(200, 240, 62, 0.07) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .grid-container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .category-hero p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Filter toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin: 30px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-toolbar label {
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 600;
            margin-right: 4px;
        }

        .filter-chip {
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .filter-select {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-select:focus {
            border-color: var(--accent);
            outline: none;
        }

        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .info-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.35);
        }

        .info-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--deep-bg);
        }

        .info-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .info-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .card-cover .cover-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .card-cover .cover-status {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 5px;
            background: rgba(8, 20, 17, 0.8);
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 700;
            color: var(--accent);
            border: 1px solid rgba(200, 240, 62, 0.3);
        }

        .card-cover .cover-status .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .card-body {
            padding: 18px 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            margin: 0 0 8px;
            letter-spacing: -0.2px;
        }

        .card-body h3 a {
            color: var(--text-main);
            transition: var(--transition);
        }

        .card-body h3 a:hover {
            color: var(--accent);
        }

        .card-body .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-secondary);
        }

        .card-meta .meta-stats {
            display: flex;
            gap: 14px;
        }

        .card-meta .meta-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card-meta .meta-stats i {
            color: var(--text-secondary);
            font-size: 12px;
        }

        .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Data highlight strip */
        .data-strip {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-strip-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid var(--border-color);
        }

        .data-strip-item:last-child {
            border-right: none;
        }

        .data-strip-item .data-number {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .data-strip-item .data-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Top ranking list */
        .ranking-section {
            margin-top: 50px;
        }

        .ranking-list {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .ranking-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .ranking-row:hover {
            border-color: rgba(200, 240, 62, 0.4);
            background: #172a23;
        }

        .ranking-rank {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
        }

        .ranking-rank.r1 {
            background: var(--accent);
            color: var(--primary-bg);
        }

        .ranking-rank.r2 {
            background: rgba(200, 240, 62, 0.7);
            color: var(--primary-bg);
        }

        .ranking-rank.r3 {
            background: rgba(200, 240, 62, 0.4);
            color: var(--accent);
        }

        .ranking-rank.rn {
            background: var(--deep-bg);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .ranking-team {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .ranking-team .team-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .ranking-team .team-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-stats {
            display: flex;
            gap: 20px;
            font-family: var(--font-num);
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .ranking-stats .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .ranking-stats .stat-value {
            font-weight: 800;
            color: var(--text-main);
            font-size: 16px;
        }

        .ranking-stats .stat-label {
            font-size: 11px;
            color: var(--text-secondary);
        }

        /* SEO text area */
        .seo-text {
            margin-top: 50px;
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 36px;
        }

        .seo-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .seo-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .seo-text p:last-child {
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-section {
            margin-top: 50px;
        }

        .faq-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.3);
        }

        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--primary-bg) 60%, var(--secondary-bg) 100%);
            padding: 70px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-top: 50px;
        }

        .cta-section .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .cta-section .cta-text h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.8;
            margin: 0;
        }

        .cta-section .cta-action {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Pagination */
        .pagination-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
        }

        .page-btn {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .page-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .page-btn.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
        }

        .site-footer .footer-brand .brand-logo {
            margin-bottom: 14px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 420px;
            margin: 0;
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 8px;
        }

        .site-footer .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .site-footer .footer-bottom span {
            white-space: nowrap;
        }

        .site-footer .footer-bottom a {
            color: var(--text-secondary);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                gap: 18px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 18px 20px;
            }
            .data-strip-item {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding-bottom: 14px;
            }
            .data-strip-item:nth-child(3),
            .data-strip-item:nth-child(4) {
                border-bottom: none;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-color);
                gap: 2px;
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }

            .main-nav.show {
                display: flex;
            }

            .main-nav li a {
                display: block;
                padding: 12px 14px;
                font-size: 15px;
                width: 100%;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta .btn-sm {
                padding: 7px 14px;
                font-size: 12px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .filter-toolbar {
                padding: 12px 14px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .info-card .card-cover {
                aspect-ratio: 16/9;
            }

            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                padding: 14px 12px;
            }

            .data-strip-item .data-number {
                font-size: 22px;
            }

            .ranking-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }

            .ranking-team {
                flex-basis: 100%;
            }

            .ranking-stats {
                justify-content: space-between;
                width: 100%;
                padding-left: 52px;
            }

            .cta-section .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-section .cta-text p {
                max-width: 100%;
            }

            .cta-section .cta-action {
                justify-content: center;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .seo-text {
                padding: 20px 18px;
            }

            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }

            .category-hero {
                padding: 40px 0 36px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero p {
                font-size: 14px;
            }

            .section-padding {
                padding: var(--section-padding-mobile);
            }

            .cards-grid {
                gap: 12px;
            }

            .card-body {
                padding: 14px 16px 12px;
            }

            .card-body h3 {
                font-size: 15px;
            }

            .card-body .card-excerpt {
                font-size: 13px;
            }

            .card-meta {
                flex-direction: column;
                gap: 6px;
                align-items: flex-start;
            }

            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
                padding: 10px 8px;
            }

            .data-strip-item {
                padding: 8px 4px;
            }

            .data-strip-item .data-number {
                font-size: 18px;
            }

            .data-strip-item .data-label {
                font-size: 11px;
            }

            .pagination-bar {
                gap: 4px;
            }

            .page-btn {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }

            .ranking-stats {
                padding-left: 0;
                gap: 12px;
                flex-wrap: nowrap;
                overflow-x: auto;
            }

            .cta-section {
                padding: 44px 0;
            }

            .cta-section .cta-text h2 {
                font-size: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }

        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }

        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }

        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }

        .brand-logo:hover {
            color: var(--accent);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-bg);
            border-radius: 8px;
            font-size: 16px;
        }

        .main-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }

        .main-nav li a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }

        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li + li::before {
            content: "/";
            color: var(--border-color);
            font-size: 13px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        .breadcrumb-back {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .breadcrumb-back:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Category Hero Banner */
        .category-hero {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--primary-bg) 50%, var(--secondary-bg) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 240, 62, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .category-hero-content {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .category-hero-text {
            flex: 1;
            min-width: 280px;
        }

        .category-hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            color: var(--text-main);
        }

        .category-hero-text h1 .highlight {
            color: var(--accent);
        }

        .category-hero-text .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 24px;
        }

        .category-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .category-hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            min-width: 220px;
        }

        .hero-stat {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            min-width: 130px;
            text-align: center;
        }

        .hero-stat .stat-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
            position: sticky;
            top: 72px;
            z-index: 100;
        }

        .filter-toolbar .grid-container {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
            font-weight: 600;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        /* Schedule Cards Grid */
        .schedule-section {
            padding: 50px 0;
        }

        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .schedule-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
            cursor: pointer;
        }

        .schedule-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.3);
        }

        .schedule-card-cover {
            position: relative;
            height: 160px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 14px;
        }

        .schedule-card-cover::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%, rgba(8,20,17,0.85) 100%);
            pointer-events: none;
        }

        .schedule-card-cover .tag {
            position: relative;
            z-index: 1;
        }

        .schedule-card-body {
            padding: 16px 18px 18px;
        }

        .schedule-matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
            gap: 6px;
        }

        .team-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }

        .matchup-vs {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            background: var(--deep-bg);
            border-radius: 50%;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .schedule-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .schedule-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .schedule-meta i {
            font-size: 12px;
            color: var(--accent);
        }

        .schedule-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: 12px;
        }

        .schedule-card-footer .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
        }

        .status-dot.upcoming {
            background: var(--warning);
        }

        .status-dot.live {
            background: var(--success);
            animation: pulse-dot 1.5s infinite;
        }

        .status-dot.finished {
            background: var(--text-secondary);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .schedule-card-status {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
        }

        .schedule-card-status.live {
            color: var(--success);
        }

        .schedule-card-status.upcoming {
            color: var(--warning);
        }

        .schedule-card-status.finished {
            color: var(--text-secondary);
        }

        /* Featured Schedule Highlight */
        .featured-schedule {
            padding: 50px 0 30px;
        }

        .featured-schedule-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .featured-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            transition: var(--transition);
        }

        .featured-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .featured-item-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .featured-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(200, 240, 62, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
        }

        .featured-teams {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }

        .featured-time {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .featured-item-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Stats Mini Section */
        .stats-mini-section {
            padding: 30px 0;
        }

        .stats-mini-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stats-mini-card {
            background: var(--deep-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stats-mini-card:hover {
            border-color: var(--accent);
        }

        .stats-mini-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .stats-mini-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* SEO Text Area */
        .seo-text-section {
            padding: 50px 0;
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .seo-text-content {
            max-width: 860px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        .seo-text-content p {
            margin-bottom: 16px;
        }

        .seo-text-content p:last-child {
            margin-bottom: 0;
        }

        /* FAQ Section */
        .faq-section {
            padding: 60px 0;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.25);
        }

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            font-size: 11px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .faq-question.active .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        .faq-answer p {
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--primary-bg) 60%, var(--secondary-bg) 100%);
            border-top: 1px solid var(--border-color);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(200, 240, 62, 0.06) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.35;
        }

        .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 380px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-secondary);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .schedule-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .main-nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                padding: 16px;
                border-bottom: 1px solid var(--border-color);
                gap: 6px;
                z-index: 999;
            }

            .main-nav.open li a {
                padding: 12px 16px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta .btn-outline {
                display: none;
            }

            .category-hero-text h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .featured-teams {
                font-size: 15px;
            }

            .filter-sort {
                margin-left: 0;
                width: 100%;
            }

            .filter-toolbar {
                top: 72px;
            }

            .category-hero {
                padding: 40px 0 50px;
            }

            .category-hero-stats {
                flex-direction: column;
            }

            .cta-content {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }

            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .schedule-grid {
                grid-template-columns: 1fr;
            }

            .featured-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .featured-item-right {
                width: 100%;
                justify-content: flex-start;
            }

            .stats-mini-grid {
                grid-template-columns: 1fr;
            }

            .schedule-card-cover {
                height: 130px;
            }

            .category-hero-text h1 {
                font-size: 22px;
            }

            .category-hero-stats {
                width: 100%;
            }

            .hero-stat {
                min-width: 100%;
            }
        }

/* roulang page: category6 */
:root {
            --primary-bg: #0B1F1A;
            --secondary-bg: #14231D;
            --deep-bg: #081411;
            --accent: #C8F03E;
            --accent-hover: #d8ff5a;
            --card-bg: #14231D;
            --border-color: #24372E;
            --text-main: #F4F7F4;
            --text-secondary: #9AAB9F;
            --success: #2DD4A7;
            --warning: #F5B84D;
            --danger: #FF5C5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 38px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "DIN", "Roboto Condensed", sans-serif;
            --section-padding: 90px 0;
            --section-padding-mobile: 50px 0;
            --max-width: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-hover);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
        }

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-padding {
            padding: var(--section-padding);
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-divider {
            border-top: 1px solid var(--border-color);
            margin: 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-tag);
            font-size: 13px;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-bg);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 62, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 15px 38px;
            font-size: 17px;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
            white-space: nowrap;
        }

        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .tag-accent {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .tag-accent:hover {
            background: var(--accent-hover);
            color: var(--primary-bg);
        }

        .tag-warning {
            border-color: rgba(245, 184, 77, 0.5);
            color: var(--warning);
            background: rgba(245, 184, 77, 0.08);
        }

        .tag-success {
            border-color: rgba(45, 212, 167, 0.5);
            color: var(--success);
            background: rgba(45, 212, 167, 0.08);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.3px;
        }

        .badge-live {
            background: rgba(255, 92, 92, 0.15);
            color: var(--danger);
            border: 1px solid rgba(255, 92, 92, 0.4);
        }

        .badge-hot {
            background: rgba(245, 184, 77, 0.15);
            color: var(--warning);
            border: 1px solid rgba(245, 184, 77, 0.4);
        }

        .badge-new {
            background: rgba(45, 212, 167, 0.15);
            color: var(--success);
            border: 1px solid rgba(45, 212, 167, 0.4);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 31, 26, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-main);
            font-weight: 700;
            font-size: 18px;
        }

        .brand-logo:hover {
            color: var(--accent);
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--primary-bg);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .main-nav li {
            margin: 0;
        }

        .main-nav a {
            display: block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(200, 240, 62, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--deep-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }

        .breadcrumb-bar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        .breadcrumb .sep {
            color: var(--border-color);
            font-size: 12px;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .back-link:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Category Hero */
        .category-hero {
            background:
                linear-gradient(135deg, rgba(11, 31, 26, 0.92) 0%, rgba(8, 20, 17, 0.88) 60%, rgba(11, 31, 26, 0.95) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 64px 0 56px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .category-hero .hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-hero .hero-left {
            flex: 1;
            min-width: 280px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -1px;
            color: var(--text-main);
        }

        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 28px;
            flex-shrink: 0;
            align-items: center;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            letter-spacing: -0.5px;
            display: block;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--secondary-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            position: sticky;
            top: 72px;
            z-index: 50;
        }

        .filter-toolbar .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 2px;
        }

        .filter-group::-webkit-scrollbar {
            display: none;
        }

        .filter-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .filter-chip.active {
            background: var(--accent);
            color: var(--primary-bg);
            border-color: var(--accent);
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .filter-sort select {
            background: var(--primary-bg);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 7px 14px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            outline: none;
        }

        .filter-sort select:focus {
            border-color: var(--accent);
        }

        /* Main Content Area */
        .content-section {
            padding: 40px 0 56px;
            background: var(--primary-bg);
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .cards-grid .card-item:first-child {
            grid-column: span 2;
        }

        .card-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .card-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 240, 62, 0.3);
        }

        .card-item .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--deep-bg);
        }

        .card-item:first-child .card-cover {
            aspect-ratio: 21/9;
        }

        .card-item .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-item:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-item .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .card-item .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-item .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .card-item .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
            transition: var(--transition);
        }

        .card-item:hover .card-title {
            color: var(--accent);
        }

        .card-item .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .card-item .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }

        .card-item .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 140px;
        }

        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
        }

        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .hot-topic-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-topic-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(36, 55, 46, 0.6);
        }

        .hot-topic-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-topic-list .rank {
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-num);
            min-width: 28px;
            text-align: center;
        }

        .hot-topic-list .topic-info {
            flex: 1;
            min-width: 0;
        }

        .hot-topic-list .topic-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .hot-topic-list .topic-count {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* Load More */
        .load-more-section {
            text-align: center;
            padding: 28px 0 10px;
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: transparent;
            border: 1.5px solid var(--border-color);
            color: var(--text-main);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
        }

        .load-more-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(200, 240, 62, 0.05);
        }

        /* SEO Text Section */
        .seo-text-section {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 48px 0;
        }

        .seo-text-section .section-title {
            font-size: 24px;
            margin-bottom: 18px;
        }

        .seo-text-section .seo-content {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 900px;
        }

        .seo-text-section .seo-content p {
            margin-bottom: 14px;
        }

        .seo-text-section .seo-content p:last-child {
            margin-bottom: 0;
        }

        /* FAQ Section */
        .faq-section {
            padding: 56px 0 64px;
            background: var(--primary-bg);
        }

        .faq-list {
            max-width: 860px;
            margin-top: 24px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(200, 240, 62, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            gap: 12px;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            font-size: 12px;
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: var(--primary-bg);
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background:
                linear-gradient(135deg, rgba(8, 20, 17, 0.9) 0%, rgba(11, 31, 26, 0.85) 100%),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 72px 0;
            border-top: 1px solid var(--border-color);
        }

        .cta-section .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-section .cta-left {
            flex: 1;
            min-width: 280px;
        }

        .cta-section .cta-left h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .cta-section .cta-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 520px;
        }

        .cta-section .cta-right {
            flex-shrink: 0;
        }

        .cta-section .cta-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-section .cta-form input[type="email"] {
            background: var(--primary-bg);
            border: 1.5px solid var(--border-color);
            color: var(--text-main);
            padding: 12px 18px;
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            min-width: 240px;
            transition: var(--transition);
        }

        .cta-section .cta-form input[type="email"]:focus {
            border-color: var(--accent);
        }

        .cta-section .cta-form input::placeholder {
            color: var(--text-secondary);
            font-size: 13px;
        }

        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links li {
            margin: 0;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(154, 171, 159, 0.7);
        }

        .footer-bottom a {
            color: rgba(154, 171, 159, 0.7);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Mobile Nav Overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.show {
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100%;
            background: var(--secondary-bg);
            z-index: 999;
            transition: right 0.35s ease;
            padding: 20px;
            overflow-y: auto;
            border-left: 1px solid var(--border-color);
        }

        .mobile-nav-panel.show {
            right: 0;
        }

        .mobile-nav-panel .mobile-nav-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-nav-panel .mobile-nav-close {
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
        }

        .mobile-nav-panel .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel .mobile-nav-list a {
            display: block;
            padding: 12px 16px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-nav-panel .mobile-nav-list a:hover,
        .mobile-nav-panel .mobile-nav-list a.active {
            background: rgba(200, 240, 62, 0.1);
            color: var(--accent);
        }

        .mobile-nav-panel .mobile-nav-cta {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }

        .mobile-nav-panel .mobile-nav-cta .btn {
            flex: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .category-hero .hero-stats {
                gap: 18px;
            }

            .hero-stat-item .stat-num {
                font-size: 22px;
            }
        }

        @media (max-width: 768px) {
            .site-header .grid-container {
                height: 64px;
                gap: 10px;
            }

            .main-nav {
                display: none;
            }

            .nav-cta .btn {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav-overlay.show,
            .mobile-nav-panel.show {
                display: block;
            }

            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-nav-overlay.show {
                pointer-events: all;
            }

            .category-hero {
                padding: 44px 0 36px;
            }

            .category-hero .hero-inner {
                flex-direction: column;
                gap: 24px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-stats {
                flex-wrap: wrap;
                gap: 16px;
                justify-content: flex-start;
            }

            .hero-stat-item .stat-num {
                font-size: 20px;
            }

            .filter-toolbar {
                top: 64px;
                padding: 12px 0;
            }

            .filter-toolbar .grid-container {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .filter-sort {
                width: 100%;
                justify-content: flex-start;
            }

            .content-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cards-grid .card-item:first-child {
                grid-column: span 1;
            }

            .card-item .card-cover,
            .card-item:first-child .card-cover {
                aspect-ratio: 16/9;
            }

            .sidebar {
                position: static;
                order: 3;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-section .cta-inner {
                flex-direction: column;
                gap: 24px;
            }

            .cta-section .cta-form {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .cta-section .cta-form input[type="email"] {
                min-width: 0;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .breadcrumb-bar .grid-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-padding {
                padding: var(--section-padding-mobile);
            }

            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
                letter-spacing: -0.5px;
            }

            .category-hero .hero-sub {
                font-size: 15px;
            }

            .card-item .card-title {
                font-size: 15px;
            }

            .card-item .card-excerpt {
                font-size: 13px;
                -webkit-line-clamp: 3;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .card-item .card-meta {
                flex-wrap: wrap;
                gap: 10px;
                font-size: 12px;
            }

            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .cta-section .cta-left h2 {
                font-size: 22px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }