/* roulang page: index */
:root {
            --deep-blue: #0B2A4A;
            --deep-blue-2: #123A63;
            --coral: #FF6B4A;
            --coral-dark: #E5563A;
            --gold: #F2B84B;
            --wave-white: #F4F7FC;
            --light-blue-gray: #E8EEF6;
            --text-main: #1D2B3A;
            --text-secondary: #52667A;
            --text-muted: #7C8FA3;
            --border-light: #D9E2ED;
            --border-focus: #FF6B4A;
            --bg-card: #FFFFFF;
            --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
            --section-pad: 72px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1240px;
            --header-height: 68px;
            --sidebar-width: 260px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--wave-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover {
            color: var(--coral);
            text-decoration: none;
        }

        button {
            cursor: pointer;
            font-family: var(--font-main);
        }

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

        :focus-visible {
            outline: 2px solid var(--coral);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .number-mono {
            font-variant-numeric: tabular-nums;
            font-weight: 700;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--deep-blue);
            box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
            width: 100%;
        }

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

        .header-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
            transition: transform 0.3s ease;
        }

        .header-brand:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
        }

        .header-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-brand .brand-text span {
            color: var(--gold);
        }

        .header-search {
            flex: 1 1 280px;
            max-width: 380px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 16px 0 38px;
            font-size: 14px;
            transition: var(--transition);
            outline: none;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }

        .header-search input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--gold);
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            pointer-events: none;
        }

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

        .header-tools .tool-btn {
            height: 36px;
            padding: 0 14px;
            border-radius: 18px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-tools .tool-btn:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
            color: var(--gold);
        }

        .header-tools .tool-btn i {
            font-size: 12px;
        }

        .sidebar-toggle {
            display: none;
            height: 40px;
            width: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .sidebar-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
        }

        /* ========== MAIN NAV ========== */
        .main-nav-bar {
            background: var(--deep-blue-2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0;
        }

        .main-nav-bar .container-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
        }

        .main-nav-bar .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }

        .main-nav-bar .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-bottom-color: var(--gold);
        }

        .main-nav-bar .nav-link.active {
            color: var(--gold);
            border-bottom-color: var(--coral);
            font-weight: 600;
        }

        .main-nav-bar .nav-link i {
            font-size: 13px;
            opacity: 0.8;
        }

        /* ========== SIDEBAR ========== */
        .layout-wrapper {
            display: flex;
            align-items: flex-start;
            gap: 0;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .doc-sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            position: sticky;
            top: calc(var(--header-height) + 44px);
            max-height: calc(100vh - var(--header-height) - 44px);
            overflow-y: auto;
            padding: 24px 16px 32px 0;
            margin-right: 28px;
            scrollbar-width: thin;
        }

        .doc-sidebar-inner {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 20px 16px;
        }

        .doc-sidebar-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--gold);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .doc-sidebar-title i {
            color: var(--coral);
            font-size: 16px;
        }

        .doc-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .doc-sidebar-list li {
            margin-bottom: 2px;
        }

        .doc-sidebar-list a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .doc-sidebar-list a:hover {
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            border-left-color: var(--gold);
        }

        .doc-sidebar-list a.active {
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            font-weight: 600;
            border-left-color: var(--coral);
        }

        .sidebar-overlay {
            display: none;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            flex: 1 1 auto;
            min-width: 0;
            padding: 32px 0 64px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: var(--light-blue-gray);
        }

        .section-title-wrap {
            margin-bottom: 32px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--coral);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--deep-blue);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== HERO (无大图首屏) ========== */
        .hero-section {
            background: linear-gradient(160deg, var(--deep-blue) 0%, var(--deep-blue-2) 55%, #1A4A7A 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
            border-radius: 0 0 24px 24px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(242, 184, 75, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 107, 74, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(242, 184, 75, 0.15);
            border: 1px solid rgba(242, 184, 75, 0.4);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
        }

        .hero-tag i {
            font-size: 12px;
        }

        .hero-title {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }

        .hero-title .highlight {
            color: var(--gold);
        }

        .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 2px solid transparent;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--coral);
            border-color: var(--coral);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--coral-dark);
            border-color: var(--coral-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 74, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--deep-blue);
        }

        .btn-gold:hover {
            background: #F5C85C;
            border-color: #F5C85C;
            color: var(--deep-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(242, 184, 75, 0.3);
        }

        .hero-icons-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-icon-chip {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 10px 16px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .hero-icon-chip:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        .hero-icon-chip i {
            font-size: 16px;
            color: var(--gold);
        }

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

        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 8px 14px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
        }

        .hero-status-item .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .hero-status-item .status-dot.live {
            background: #EF4444;
        }

        .hero-status-item .status-dot.upcoming {
            background: #3B82F6;
        }

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

        /* ========== SEARCH ENTRY ========== */
        .search-entry-section {
            padding: 32px 0;
        }

        .search-entry-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }

        .search-entry-card .search-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .search-entry-card .search-label i {
            color: var(--coral);
        }

        .search-entry-card .search-input-wrap {
            flex: 1 1 260px;
            position: relative;
        }

        .search-entry-card .search-input-wrap input {
            width: 100%;
            height: 44px;
            border-radius: 22px;
            border: 2px solid var(--border-light);
            padding: 0 18px 0 42px;
            font-size: 14px;
            transition: var(--transition);
            outline: none;
            background: var(--wave-white);
        }

        .search-entry-card .search-input-wrap input:focus {
            border-color: var(--coral);
            background: #fff;
        }

        .search-entry-card .search-input-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
        }

        .search-entry-card .quick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .search-entry-card .quick-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 16px;
            background: var(--light-blue-gray);
            color: var(--text-main);
            font-size: 13px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .search-entry-card .quick-tag:hover {
            background: var(--deep-blue);
            color: #fff;
            border-color: var(--deep-blue);
        }

        /* ========== CATEGORY MATRIX ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition);
            display: block;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
            color: var(--text-main);
        }

        .category-card .cat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            background: var(--light-blue-gray);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--coral);
            transition: var(--transition);
        }

        .category-card:hover .cat-icon {
            background: var(--deep-blue);
            color: var(--gold);
            transform: scale(1.05);
        }

        .category-card .cat-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .category-card .cat-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== FEATURE GROUP ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold);
        }

        .feature-card .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--deep-blue);
            margin-bottom: 14px;
        }

        .feature-card .feature-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 8px;
        }

        .feature-card .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== DATA BOARD ========== */
        .data-board {
            background: var(--deep-blue);
            border-radius: 14px;
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-board-item {
            text-align: center;
            padding: 16px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .data-board-item .data-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-board-item .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== SCENARIO ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
        }

        .scenario-card .scenario-icon {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--coral);
        }

        .scenario-card .scenario-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }

        .scenario-card .scenario-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== SCREENSHOT ========== */
        .screenshot-showcase {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .screenshot-item {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            background: #fff;
        }

        .screenshot-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .screenshot-item .screenshot-img-wrap {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--light-blue-gray);
        }

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

        .screenshot-item:hover .screenshot-img-wrap img {
            transform: scale(1.04);
        }

        .screenshot-item .screenshot-info {
            padding: 16px 18px;
        }

        .screenshot-item .screenshot-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .screenshot-item .screenshot-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== COLUMN / RULES / GEAR ========== */
        .mini-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .mini-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }

        .mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
            color: var(--text-main);
        }

        .mini-card .mini-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--light-blue-gray);
        }

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

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

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

        .mini-card .mini-card-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .mini-card .mini-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== SUCCESS CASE ========== */
        .case-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold);
        }

        .case-card .case-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .case-card .case-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--deep-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .case-card .case-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
        }

        .case-card .case-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        .case-card .case-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== HOT LIST ========== */
        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: #fff;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .hot-list-item:hover {
            border-color: var(--coral);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .hot-list-item .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: var(--deep-blue);
            flex-shrink: 0;
        }

        .hot-list-item .hot-rank.top1 {
            background: var(--gold);
            color: var(--deep-blue);
        }

        .hot-list-item .hot-rank.top2 {
            background: #C0C8D4;
            color: var(--deep-blue);
        }

        .hot-list-item .hot-rank.top3 {
            background: #E8A87C;
            color: var(--deep-blue);
        }

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

        .hot-list-item .hot-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list-item .hot-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .hot-list-item .hot-tag {
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 107, 74, 0.1);
            color: var(--coral);
            white-space: nowrap;
        }

        /* ========== UPDATE LIST ========== */
        .update-timeline {
            position: relative;
            padding-left: 28px;
        }

        .update-timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
        }

        .update-item {
            position: relative;
            margin-bottom: 20px;
            padding-left: 16px;
        }

        .update-item::before {
            content: '';
            position: absolute;
            left: -23px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--coral);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px var(--coral);
        }

        .update-item .update-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .update-item .update-content {
            background: #fff;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            padding: 16px 18px;
        }

        .update-item .update-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .update-item .update-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== RESOURCE CENTER ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .resource-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            transition: var(--transition);
        }

        .resource-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold);
        }

        .resource-card .resource-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--deep-blue);
        }

        .resource-card .resource-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .resource-card .resource-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== NEWS LIST ========== */
        .news-list-compact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list-compact li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .news-list-compact li:last-child {
            border-bottom: none;
        }

        .news-list-compact .news-date {
            width: 60px;
            flex-shrink: 0;
            text-align: center;
            background: var(--light-blue-gray);
            border-radius: 8px;
            padding: 8px 6px;
        }

        .news-list-compact .news-date .day {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep-blue);
            display: block;
            line-height: 1.2;
        }

        .news-list-compact .news-date .month {
            font-size: 11px;
            color: var(--text-muted);
        }

        .news-list-compact .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-list-compact .news-info a {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-list-compact .news-info a:hover {
            color: var(--coral);
        }

        .news-list-compact .news-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== REVIEW WALL ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 22px;
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
        }

        .review-card .review-stars {
            color: var(--gold);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-card .review-author .review-avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--deep-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
        }

        .review-card .review-author .review-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--deep-blue);
        }

        .review-card .review-author .review-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .pricing-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .pricing-card.featured {
            border-color: var(--coral);
            box-shadow: 0 4px 20px rgba(255, 107, 74, 0.15);
            position: relative;
        }

        .pricing-card.featured::before {
            content: '热门选择';
            position: absolute;
            top: -1px;
            right: 20px;
            background: var(--coral);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 0 0 8px 8px;
            letter-spacing: 0.5px;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .pricing-card .pricing-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 8px;
        }

        .pricing-card .pricing-price {
            font-size: 30px;
            font-weight: 700;
            color: var(--coral);
            margin-bottom: 4px;
        }

        .pricing-card .pricing-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .pricing-card .pricing-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .pricing-card .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            text-align: left;
        }

        .pricing-card .pricing-features li {
            padding: 6px 0;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card .pricing-features li i {
            color: var(--gold);
            font-size: 12px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--deep-blue);
            padding: 56px 0;
            border-radius: 0 0 20px 20px;
        }

        .brand-intro-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            color: rgba(255, 255, 255, 0.9);
        }

        .brand-intro-content h2 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .brand-intro-content p {
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }

        .brand-intro-content p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-content .brand-highlight {
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== PARTNER ========== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 18px;
        }

        .partner-item {
            background: #fff;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            padding: 14px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }

        .partner-item:hover {
            border-color: var(--coral);
            color: var(--deep-blue);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--coral) 0%, #FF8A6A 60%, var(--gold) 100%);
            border-radius: 20px;
            padding: 48px 40px;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.92);
            font-size: 16px;
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1 1 240px;
            height: 48px;
            border-radius: 24px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 0 20px;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.9);
            transition: var(--transition);
            outline: none;
        }

        .cta-form input:focus {
            border-color: var(--deep-blue);
            background: #fff;
        }

        .cta-form .btn {
            height: 48px;
            padding: 0 28px;
            border-radius: 24px;
            font-size: 15px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--deep-blue);
            padding: 48px 0 32px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
        }

        .footer-brand .footer-logo .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand .footer-logo .brand-text span {
            color: var(--gold);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom .footer-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-bottom .footer-links .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-board {
                grid-template-columns: repeat(2, 1fr);
            }

            .screenshot-showcase {
                grid-template-columns: repeat(2, 1fr);
            }

            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .doc-sidebar {
                width: 220px;
                margin-right: 20px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container-custom {
                flex-wrap: wrap;
                padding-top: 8px;
                padding-bottom: 8px;
            }

            .header-brand .brand-text {
                font-size: 17px;
            }

            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                margin-top: 6px;
            }

            .header-tools {
                margin-left: auto;
            }

            .layout-wrapper {
                padding: 0;
            }

            .doc-sidebar {
                position: fixed;
                top: 0;
                left: -280px;
                width: 270px;
                height: 100vh;
                max-height: 100vh;
                z-index: 200;
                background: #fff;
                margin: 0;
                padding: 16px;
                transition: left 0.3s ease;
                box-shadow: 4px 0 20px rgba(11, 42, 74, 0.15);
                overflow-y: auto;
            }

            .doc-sidebar.open {
                left: 0;
            }

            .doc-sidebar-inner {
                border: none;
                box-shadow: none;
                padding: 16px 8px;
            }

            .sidebar-overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100vw;
                height: 100vh;
                background: rgba(0, 0, 0, 0.4);
                z-index: 150;
            }

            .sidebar-overlay.active {
                display: block;
            }

            .sidebar-toggle {
                display: flex;
            }

            .main-content {
                padding: 20px 0 48px;
            }

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

            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-grid,
            .scenario-grid,
            .screenshot-showcase,
            .case-list,
            .resource-grid {
                grid-template-columns: 1fr;
            }

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

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

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

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

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

            .footer-bottom .footer-links {
                justify-content: center;
            }

            .cta-section {
                padding: 36px 22px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                flex: 1 1 auto;
                width: 100%;
            }

            .cta-form .btn {
                width: 100%;
            }

            .search-entry-card {
                flex-direction: column;
                align-items: stretch;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }

            .hero-icon-chip {
                font-size: 12px;
                padding: 8px 12px;
            }

            .data-board {
                grid-template-columns: 1fr;
            }

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

            .header-tools .tool-btn span {
                display: none;
            }

            .header-tools .tool-btn {
                width: 36px;
                height: 36px;
                padding: 0;
                justify-content: center;
            }

            .header-tools .tool-btn i {
                font-size: 14px;
            }

            .main-nav-bar .nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
        --deep-blue: #0B2A4A;
        --deep-blue-2: #123A63;
        --coral: #FF6B4A;
        --coral-dark: #E5563A;
        --gold: #F2B84B;
        --wave-white: #F4F7FC;
        --light-blue-gray: #E8EEF6;
        --text-main: #1D2B3A;
        --text-secondary: #52667A;
        --text-muted: #7C8FA3;
        --border-light: #D9E2ED;
        --border-focus: #FF6B4A;
        --bg-card: #FFFFFF;
        --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
        --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
        --radius-card: 10px;
        --radius-btn: 8px;
        --radius-input: 6px;
        --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
        --transition: all 0.25s ease;
        --section-pad: 72px 0;
        --section-pad-mobile: 48px 0;
        --container-max: 1240px;
        --header-height: 68px;
        --sidebar-width: 260px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-main);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-main);
        background-color: var(--wave-white);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        color: var(--deep-blue);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--coral);
        text-decoration: none;
    }
    button {
        cursor: pointer;
        font-family: var(--font-main);
    }
    input,
    select,
    textarea {
        font-family: var(--font-main);
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* ========== HEADER ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: var(--deep-blue);
        box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
        min-height: var(--header-height);
        display: flex;
        align-items: center;
    }
    .site-header .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
        gap: 16px;
        width: 100%;
    }
    .header-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .header-brand .logo-icon {
        width: 38px;
        height: 38px;
        background: var(--gold);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        display: inline-block;
        transition: transform 0.3s ease;
    }
    .header-brand:hover .logo-icon {
        transform: rotate(15deg) scale(1.05);
    }
    .header-brand .brand-text {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .header-brand .brand-text span {
        color: var(--gold);
    }
    .header-search {
        flex: 1 1 280px;
        max-width: 380px;
        display: flex;
        align-items: center;
        position: relative;
    }
    .header-search input {
        width: 100%;
        height: 40px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.25);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        padding: 0 16px 0 38px;
        font-size: 14px;
        transition: var(--transition);
        outline: none;
    }
    .header-search input::placeholder {
        color: rgba(255, 255, 255, 0.65);
    }
    .header-search input:focus {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--gold);
    }
    .header-search .search-icon {
        position: absolute;
        left: 14px;
        color: rgba(255, 255, 255, 0.7);
        font-size: 14px;
        pointer-events: none;
    }
    .header-tools {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .header-tools .tool-btn {
        height: 36px;
        padding: 0 14px;
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: transparent;
        color: #fff;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
        white-space: nowrap;
    }
    .header-tools .tool-btn:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--gold);
        color: var(--gold);
    }
    .header-tools .tool-btn i {
        font-size: 12px;
    }
    .sidebar-toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: #fff;
        width: 38px;
        height: 38px;
        border-radius: 6px;
        font-size: 18px;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    .sidebar-toggle:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--gold);
        color: var(--gold);
    }

    /* ========== MAIN NAV ========== */
    .main-nav-bar {
        background: var(--deep-blue-2);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0;
        position: sticky;
        top: var(--header-height);
        z-index: 99;
    }
    .main-nav-bar .container-custom {
        display: flex;
        align-items: center;
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
    }
    .main-nav-bar .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 12px 16px;
        color: rgba(255, 255, 255, 0.78);
        font-size: 14px;
        font-weight: 500;
        white-space: nowrap;
        border-bottom: 2px solid transparent;
        transition: var(--transition);
        position: relative;
    }
    .main-nav-bar .nav-link i {
        font-size: 13px;
        opacity: 0.7;
    }
    .main-nav-bar .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
    }
    .main-nav-bar .nav-link.active {
        color: var(--gold);
        border-bottom-color: var(--gold);
        background: rgba(242, 184, 75, 0.08);
    }
    .main-nav-bar .nav-link.active i {
        opacity: 1;
    }

    /* ========== SIDEBAR ========== */
    .page-with-sidebar {
        display: flex;
        gap: 28px;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 32px 20px 0;
        align-items: flex-start;
    }
    .doc-sidebar {
        width: var(--sidebar-width);
        flex-shrink: 0;
        position: sticky;
        top: calc(var(--header-height) + 44px);
        max-height: calc(100vh - var(--header-height) - 60px);
        overflow-y: auto;
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 20px 16px;
    }
    .doc-sidebar .sidebar-title {
        font-size: 15px;
        font-weight: 700;
        color: var(--deep-blue);
        margin-bottom: 14px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--light-blue-gray);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .doc-sidebar .sidebar-title i {
        color: var(--coral);
        font-size: 14px;
    }
    .doc-sidebar .side-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 8px 10px;
        border-radius: 6px;
        font-size: 13.5px;
        color: var(--text-secondary);
        margin-bottom: 3px;
        transition: var(--transition);
        border-left: 3px solid transparent;
    }
    .doc-sidebar .side-link .side-num {
        font-size: 12px;
        color: var(--text-muted);
        font-variant-numeric: tabular-nums;
    }
    .doc-sidebar .side-link:hover {
        background: var(--light-blue-gray);
        color: var(--deep-blue);
        border-left-color: var(--gold);
    }
    .doc-sidebar .side-link.active {
        background: rgba(11, 42, 74, 0.06);
        color: var(--deep-blue);
        border-left-color: var(--coral);
        font-weight: 600;
    }
    .page-main {
        flex: 1;
        min-width: 0;
    }

    /* ========== BREADCRUMB ========== */
    .breadcrumb-row {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .breadcrumb-row a {
        color: var(--text-secondary);
    }
    .breadcrumb-row a:hover {
        color: var(--coral);
    }
    .breadcrumb-row .sep {
        color: var(--border-light);
    }
    .breadcrumb-row .current {
        color: var(--deep-blue);
        font-weight: 600;
    }

    /* ========== PAGE TITLE / H1 ========== */
    .page-title-block {
        margin-bottom: 28px;
    }
    .page-title-block h1 {
        font-size: 28px;
        font-weight: 700;
        color: var(--deep-blue);
        margin-bottom: 10px;
        line-height: 1.35;
        letter-spacing: 0.3px;
    }
    .page-title-block .subtitle {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 820px;
    }

    /* ========== SECTION COMMON ========== */
    .section-block {
        padding: 36px 0;
    }
    .section-block .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 22px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .section-block .section-header h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--deep-blue);
        margin: 0;
        line-height: 1.3;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .section-block .section-header h2 .sec-icon {
        color: var(--coral);
        font-size: 20px;
    }
    .section-block .section-header .section-link {
        font-size: 13.5px;
        color: var(--coral);
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
    }
    .section-block .section-header .section-link:hover {
        color: var(--coral-dark);
        gap: 8px;
    }

    /* ========== MATCH LIST CARDS ========== */
    .match-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 18px;
    }
    .match-card {
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }
    .match-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(255, 107, 74, 0.4);
    }
    .match-card .match-img {
        position: relative;
        height: 180px;
        overflow: hidden;
        background: var(--light-blue-gray);
    }
    .match-card .match-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .match-card:hover .match-img img {
        transform: scale(1.04);
    }
    .match-card .match-status {
        position: absolute;
        top: 12px;
        right: 12px;
        background: var(--coral);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: 0.3px;
    }
    .match-card .match-status.live {
        background: var(--coral);
    }
    .match-card .match-status.upcoming {
        background: var(--deep-blue);
        color: var(--gold);
    }
    .match-card .match-status.finished {
        background: var(--text-muted);
    }
    .match-card .match-body {
        padding: 18px 20px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .match-card .match-league {
        font-size: 12px;
        color: var(--coral);
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 8px;
        text-transform: uppercase;
    }
    .match-card .match-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--deep-blue);
        margin-bottom: 8px;
        line-height: 1.45;
    }
    .match-card .match-teams {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }
    .match-card .match-teams .score {
        font-weight: 700;
        color: var(--deep-blue);
        font-size: 16px;
        font-variant-numeric: tabular-nums;
    }
    .match-card .match-meta {
        margin-top: auto;
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 12.5px;
        color: var(--text-muted);
        padding-top: 12px;
        border-top: 1px solid var(--light-blue-gray);
    }
    .match-card .match-meta i {
        margin-right: 4px;
    }

    /* ========== LIVE SCORE BOARD ========== */
    .scoreboard-panel {
        background: var(--deep-blue);
        border-radius: 12px;
        padding: 24px 22px;
        color: #fff;
        box-shadow: 0 6px 24px rgba(11, 42, 74, 0.25);
    }
    .scoreboard-panel .scoreboard-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
        flex-wrap: wrap;
        gap: 10px;
    }
    .scoreboard-panel .scoreboard-header h3 {
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .scoreboard-panel .scoreboard-header .live-badge {
        background: var(--coral);
        color: #fff;
        font-size: 11px;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: 999px;
        letter-spacing: 1px;
    }
    .scoreboard-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        gap: 10px;
        flex-wrap: wrap;
    }
    .scoreboard-row:last-child {
        border-bottom: none;
    }
    .scoreboard-row .sb-league {
        font-size: 12px;
        color: var(--gold);
        font-weight: 600;
        min-width: 60px;
        letter-spacing: 0.5px;
    }
    .scoreboard-row .sb-match {
        flex: 1;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .scoreboard-row .sb-score {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        font-variant-numeric: tabular-nums;
        white-space: nowrap;
    }
    .scoreboard-row .sb-min {
        font-size: 12px;
        color: var(--coral);
        font-weight: 600;
        min-width: 40px;
        text-align: right;
        font-variant-numeric: tabular-nums;
    }

    /* ========== TIMELINE ========== */
    .timeline {
        position: relative;
        padding-left: 28px;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 4px;
        bottom: 4px;
        width: 2px;
        background: var(--border-light);
        border-radius: 2px;
    }
    .timeline-item {
        position: relative;
        padding-bottom: 24px;
    }
    .timeline-item:last-child {
        padding-bottom: 0;
    }
    .timeline-item::before {
        content: '';
        position: absolute;
        left: -25px;
        top: 5px;
        width: 12px;
        height: 12px;
        background: var(--gold);
        border-radius: 50%;
        border: 2px solid var(--deep-blue);
        box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.25);
    }
    .timeline-item .tl-time {
        font-size: 13px;
        color: var(--coral);
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 4px;
        font-variant-numeric: tabular-nums;
    }
    .timeline-item .tl-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--deep-blue);
        margin-bottom: 4px;
        line-height: 1.4;
    }
    .timeline-item .tl-desc {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* ========== STAT PILLS ========== */
    .stat-pills {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .stat-pill {
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: 8px;
        padding: 8px 16px;
        font-size: 13px;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
    }
    .stat-pill:hover {
        border-color: var(--gold);
        color: var(--deep-blue);
        background: #fffdf5;
    }
    .stat-pill .pill-num {
        font-weight: 700;
        color: var(--deep-blue);
        font-size: 14px;
        font-variant-numeric: tabular-nums;
    }

    /* ========== EDITORS PICK ========== */
    .editors-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 18px;
    }
    .editor-card {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        padding: 20px;
        box-shadow: var(--shadow-card);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .editor-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(255, 107, 74, 0.35);
        transform: translateY(-2px);
    }
    .editor-card .ec-tag {
        align-self: flex-start;
        background: var(--light-blue-gray);
        color: var(--deep-blue);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
    }
    .editor-card .ec-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--deep-blue);
        line-height: 1.5;
    }
    .editor-card .ec-desc {
        font-size: 13.5px;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .editor-card .ec-link {
        font-size: 13px;
        color: var(--coral);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: auto;
        transition: var(--transition);
    }
    .editor-card .ec-link:hover {
        color: var(--coral-dark);
        gap: 8px;
    }

    /* ========== CTA BAND ========== */
    .cta-band {
        background: linear-gradient(135deg, var(--deep-blue) 0%, var(--deep-blue-2) 60%, #1a4a77 100%);
        border-radius: 12px;
        padding: 36px 32px;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        position: relative;
        overflow: hidden;
    }
    .cta-band::after {
        content: '';
        position: absolute;
        right: -30px;
        top: -30px;
        width: 180px;
        height: 180px;
        background: rgba(242, 184, 75, 0.12);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        pointer-events: none;
    }
    .cta-band .cta-text h3 {
        color: #fff;
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.35;
    }
    .cta-band .cta-text p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 14.5px;
        margin: 0;
        line-height: 1.7;
        max-width: 550px;
    }
    .cta-band .cta-form {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }
    .cta-band .cta-form input {
        flex: 1;
        min-width: 220px;
        height: 44px;
        border-radius: 22px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        padding: 0 18px;
        font-size: 14px;
        outline: none;
        transition: var(--transition);
    }
    .cta-band .cta-form input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }
    .cta-band .cta-form input:focus {
        border-color: var(--gold);
        background: rgba(255, 255, 255, 0.2);
    }
    .cta-band .cta-form button {
        height: 44px;
        padding: 0 24px;
        border-radius: 22px;
        border: none;
        background: var(--coral);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        transition: var(--transition);
        white-space: nowrap;
    }
    .cta-band .cta-form button:hover {
        background: var(--gold);
        color: var(--deep-blue);
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--deep-blue);
        color: rgba(255, 255, 255, 0.75);
        padding: 48px 0 24px;
        margin-top: 48px;
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .site-footer .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
    }
    .site-footer .footer-brand .footer-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--gold);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        display: inline-block;
    }
    .site-footer .footer-brand .footer-logo .brand-text {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
    }
    .site-footer .footer-brand .footer-logo .brand-text span {
        color: var(--gold);
    }
    .site-footer .footer-brand p {
        font-size: 13.5px;
        line-height: 1.8;
        max-width: 280px;
        margin: 0;
        color: rgba(255, 255, 255, 0.6);
    }
    .site-footer .footer-col h4 {
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .site-footer .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .site-footer .footer-col ul li {
        margin-bottom: 8px;
    }
    .site-footer .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13.5px;
        transition: var(--transition);
    }
    .site-footer .footer-col ul li a:hover {
        color: var(--gold);
        padding-left: 4px;
    }
    .site-footer .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12.5px;
        color: rgba(255, 255, 255, 0.55);
    }
    .site-footer .footer-bottom .footer-links {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .site-footer .footer-bottom .footer-links a {
        color: rgba(255, 255, 255, 0.65);
    }
    .site-footer .footer-bottom .footer-links a:hover {
        color: var(--gold);
    }
    .site-footer .footer-bottom .footer-links .sep {
        color: rgba(255, 255, 255, 0.3);
    }

    /* ========== MOBILE SIDEBAR OVERLAY ========== */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(11, 42, 74, 0.5);
        z-index: 150;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .sidebar-overlay.show {
        display: block;
        opacity: 1;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
        .page-with-sidebar {
            gap: 20px;
        }
        .doc-sidebar {
            width: 220px;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }
    @media (max-width: 768px) {
        .header-search {
            max-width: 200px;
        }
        .header-tools .tool-btn span {
            display: none;
        }
        .header-tools .tool-btn {
            padding: 0 10px;
        }
        .page-with-sidebar {
            flex-direction: column;
            padding: 20px 16px 0;
        }
        .doc-sidebar {
            width: 100%;
            position: static;
            max-height: none;
            display: none;
        }
        .doc-sidebar.mobile-open {
            display: block;
        }
        .sidebar-toggle {
            display: flex;
        }
        .site-header .container-custom {
            gap: 10px;
        }
        .header-brand .brand-text {
            font-size: 17px;
        }
        .match-list {
            grid-template-columns: 1fr;
        }
        .editors-grid {
            grid-template-columns: 1fr;
        }
        .scoreboard-row {
            font-size: 13px;
        }
        .scoreboard-row .sb-score {
            font-size: 16px;
        }
        .cta-band {
            padding: 26px 20px;
        }
        .page-title-block h1 {
            font-size: 22px;
        }
        .section-block {
            padding: 26px 0;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
    }
    @media (max-width: 520px) {
        .header-search {
            flex: 0 1 40px;
            max-width: 40px;
            cursor: pointer;
        }
        .header-search input {
            position: absolute;
            right: 0;
            top: 100%;
            width: 200px;
            height: 38px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
            background: var(--deep-blue-2);
            border-radius: 8px;
            z-index: 10;
        }
        .header-search:focus-within input,
        .header-search.search-open input {
            opacity: 1;
            pointer-events: auto;
        }
        .header-search .search-icon {
            position: static;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            cursor: pointer;
        }
        .header-tools .tool-btn {
            font-size: 12px;
            padding: 0 8px;
        }
        .header-tools .tool-btn i {
            font-size: 13px;
        }
        .main-nav-bar .nav-link {
            padding: 10px 12px;
            font-size: 13px;
        }
        .breadcrumb-row {
            font-size: 12px;
        }
        .section-block .section-header h2 {
            font-size: 18px;
        }
        .match-card .match-title {
            font-size: 16px;
        }
        .cta-band .cta-form input {
            min-width: 100%;
        }
        .cta-band .cta-form button {
            width: 100%;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
    }

/* roulang page: category3 */
:root {
            --deep-blue: #0B2A4A;
            --deep-blue-2: #123A63;
            --coral: #FF6B4A;
            --coral-dark: #E5563A;
            --gold: #F2B84B;
            --wave-white: #F4F7FC;
            --light-blue-gray: #E8EEF6;
            --text-main: #1D2B3A;
            --text-secondary: #52667A;
            --text-muted: #7C8FA3;
            --border-light: #D9E2ED;
            --border-focus: #FF6B4A;
            --bg-card: #FFFFFF;
            --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
            --section-pad: 72px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1240px;
            --header-height: 68px;
            --sidebar-width: 260px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--wave-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover {
            color: var(--coral);
            text-decoration: none;
        }

        button {
            cursor: pointer;
            font-family: var(--font-main);
        }

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--deep-blue);
            box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
            width: 100%;
        }

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

        .header-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
            transition: transform 0.3s ease;
        }

        .header-brand:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
        }

        .header-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-brand .brand-text span {
            color: var(--gold);
        }

        .header-search {
            flex: 1 1 280px;
            max-width: 380px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 16px 0 38px;
            font-size: 14px;
            transition: var(--transition);
            outline: none;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }

        .header-search input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--gold);
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            pointer-events: none;
        }

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

        .header-tools .tool-btn {
            height: 36px;
            padding: 0 14px;
            border-radius: 18px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-tools .tool-btn:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
            color: var(--gold);
        }

        .header-tools .tool-btn i {
            font-size: 12px;
        }

        .sidebar-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 22px;
            padding: 4px;
            line-height: 1;
            flex-shrink: 0;
        }

        /* ========== MAIN NAV ========== */
        .main-nav-bar {
            background: var(--deep-blue-2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0;
        }

        .main-nav-bar .container-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
        }

        .main-nav-bar .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }

        .main-nav-bar .nav-link i {
            font-size: 13px;
            opacity: 0.7;
        }

        .main-nav-bar .nav-link:hover {
            color: var(--gold);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav-bar .nav-link.active {
            color: #fff;
            border-bottom-color: var(--coral);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav-bar .nav-link.active i {
            color: var(--coral);
            opacity: 1;
        }

        /* ========== PAGE LAYOUT ========== */
        .page-wrapper {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            padding: 32px 0 0;
        }

        /* ========== SIDEBAR ========== */
        .doc-sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 0;
            position: sticky;
            top: calc(var(--header-height) + 46px);
            max-height: calc(100vh - var(--header-height) - 80px);
            overflow-y: auto;
            box-shadow: var(--shadow-card);
        }

        .doc-sidebar .sidebar-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            padding: 0 20px 12px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .doc-sidebar .sidebar-title i {
            color: var(--coral);
            font-size: 14px;
        }

        .doc-sidebar .sidebar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .doc-sidebar .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .doc-sidebar .sidebar-nav li a:hover {
            background: var(--wave-white);
            color: var(--deep-blue);
            border-left-color: var(--gold);
        }

        .doc-sidebar .sidebar-nav li a.active {
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            border-left-color: var(--coral);
            font-weight: 600;
        }

        .doc-sidebar .sidebar-nav li a .nav-num {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            min-width: 20px;
            text-align: right;
        }

        /* ========== CONTENT AREA ========== */
        .content-area {
            flex: 1 1 auto;
            min-width: 0;
        }

        /* ========== PAGE HERO (BREADCRUMB + H1) ========== */
        .page-hero {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(242, 184, 75, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

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

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

        .breadcrumb .separator {
            color: var(--border-light);
        }

        .breadcrumb .current {
            color: var(--deep-blue);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--deep-blue);
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            margin-bottom: 40px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--deep-blue);
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-header h2 .section-icon {
            color: var(--coral);
            font-size: 18px;
        }

        .section-header .section-tag {
            font-size: 13px;
            color: var(--text-muted);
            background: var(--light-blue-gray);
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 500;
        }

        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--coral);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .section-link:hover {
            color: var(--coral-dark);
            gap: 10px;
        }

        /* ========== COLUMN LIST ========== */
        .column-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .column-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            gap: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            flex-wrap: wrap;
        }

        .column-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
            transform: translateY(-2px);
        }

        .column-card .card-image {
            flex: 0 0 200px;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

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

        .column-card:hover .card-image img {
            transform: scale(1.05);
        }

        .column-card .card-content {
            flex: 1 1 auto;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .column-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .column-card .card-meta .badge {
            background: var(--coral);
            color: #fff;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .column-card .card-meta .badge.gold {
            background: var(--gold);
            color: var(--deep-blue);
        }

        .column-card .card-meta .badge.blue {
            background: var(--deep-blue-2);
            color: #fff;
        }

        .column-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--deep-blue);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .column-card h3 a {
            color: var(--deep-blue);
            transition: var(--transition);
        }

        .column-card h3 a:hover {
            color: var(--coral);
        }

        .column-card .card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .column-card .card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .column-card .card-footer .author {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .column-card .card-footer .author i {
            color: var(--gold);
            font-size: 12px;
        }

        .column-card .card-footer .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--coral);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .column-card .card-footer .read-more:hover {
            color: var(--coral-dark);
        }

        /* ========== TOPIC GRID ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 16px;
        }

        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: left;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--gold);
        }

        .topic-card .topic-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            font-size: 18px;
            color: var(--deep-blue);
        }

        .topic-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            background: var(--deep-blue);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .data-strip::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(242, 184, 75, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .data-strip .strip-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .data-strip .strip-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }

        .data-strip .strip-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .data-strip .strip-stat {
            text-align: center;
        }

        .data-strip .strip-stat .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--gold);
            font-variant-numeric: tabular-nums;
            display: block;
            line-height: 1.2;
        }

        .data-strip .strip-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta {
            background: var(--light-blue-gray);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-cta .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }

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

        .subscribe-cta .cta-form {
            display: flex;
            gap: 10px;
            flex: 0 1 380px;
            min-width: 280px;
        }

        .subscribe-cta .cta-form input {
            flex: 1;
            height: 44px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            padding: 0 16px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
            background: #fff;
        }

        .subscribe-cta .cta-form input:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.15);
        }

        .subscribe-cta .cta-form button {
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            border: none;
            background: var(--coral);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

        .subscribe-cta .cta-form button:hover {
            background: var(--coral-dark);
            box-shadow: 0 4px 14px rgba(255, 107, 74, 0.35);
        }

        /* ========== AUTHOR SECTION ========== */
        .author-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .author-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            flex: 1 1 200px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .author-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--gold);
        }

        .author-card .author-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--deep-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            margin: 0 auto 12px;
        }

        .author-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 2px;
        }

        .author-card .author-role {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .author-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--deep-blue);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 56px;
        }

        .site-footer .container-custom {
            padding-left: 20px;
            padding-right: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
        }

        .footer-brand .footer-logo .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand .footer-logo .brand-text span {
            color: var(--gold);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

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

        .footer-links .sep {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== SIDEBAR OVERLAY ========== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(11, 42, 74, 0.5);
            z-index: 98;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-wrapper {
                gap: 20px;
            }
            .doc-sidebar {
                width: 220px;
            }
            .column-card .card-image {
                flex: 0 0 160px;
            }
        }

        @media (max-width: 768px) {
            .header-tools .tool-btn span {
                display: none;
            }
            .header-tools .tool-btn {
                width: 36px;
                padding: 0;
                justify-content: center;
            }
            .header-search {
                max-width: 180px;
            }
            .page-wrapper {
                flex-direction: column;
                padding-top: 20px;
            }
            .doc-sidebar {
                width: 100%;
                position: static;
                max-height: none;
                overflow-y: visible;
                display: none;
            }
            .doc-sidebar.mobile-open {
                display: block;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 99;
                border-radius: 0;
                border: none;
                overflow-y: auto;
                max-height: none;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .sidebar-toggle {
                display: block;
            }
            .page-hero {
                padding: 20px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .column-card {
                flex-direction: column;
                gap: 16px;
                padding: 18px;
            }
            .column-card .card-image {
                flex: 0 0 auto;
                width: 100%;
                aspect-ratio: 16/9;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta .cta-form {
                width: 100%;
                min-width: 0;
                flex: 1 1 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .header-search {
                max-width: 120px;
            }
            .header-search input {
                font-size: 12px;
                padding-left: 32px;
            }
            .header-brand .brand-text {
                font-size: 17px;
            }
            .main-nav-bar .nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }
            .page-hero h1 {
                font-size: 20px;
            }
            .section-header h2 {
                font-size: 18px;
            }
            .column-card h3 {
                font-size: 16px;
            }
            .data-strip .strip-stats {
                gap: 16px;
            }
            .data-strip .strip-stat .stat-number {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .subscribe-cta .cta-form {
                flex-direction: column;
            }
            .subscribe-cta .cta-form button {
                width: 100%;
            }
            .author-row {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
    --deep-blue: #0B2A4A;
    --deep-blue-2: #123A63;
    --coral: #FF6B4A;
    --coral-dark: #E5563A;
    --gold: #F2B84B;
    --wave-white: #F4F7FC;
    --light-blue-gray: #E8EEF6;
    --text-main: #1D2B3A;
    --text-secondary: #52667A;
    --text-muted: #7C8FA3;
    --border-light: #D9E2ED;
    --border-focus: #FF6B4A;
    --bg-card: #FFFFFF;
    --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
    --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
    --radius-card: 10px;
    --radius-btn: 8px;
    --radius-input: 6px;
    --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.25s ease;
    --section-pad: 72px 0;
    --section-pad-mobile: 48px 0;
    --container-max: 1240px;
    --header-height: 68px;
    --sidebar-width: 260px;
  }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background-color: var(--wave-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 0;
  }
  a {
    color: var(--deep-blue);
    text-decoration: none;
    transition: var(--transition);
  }
  a:hover {
    color: var(--coral);
    text-decoration: none;
  }
  button {
    cursor: pointer;
    font-family: var(--font-main);
  }
  input, select, textarea {
    font-family: var(--font-main);
  }
  .container-custom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }
  * {
    box-sizing: border-box;
  }
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    color: var(--deep-blue);
    font-weight: 700;
    line-height: 1.4;
    margin-top: 0;
  }
  p {
    margin-bottom: 1rem;
  }
  ul, ol {
    padding-left: 0;
    margin: 0;
    list-style: none;
  }
  section {
    position: relative;
  }
  .section-pad {
    padding: var(--section-pad);
  }
  @media (max-width: 768px) {
    .section-pad {
      padding: var(--section-pad-mobile);
    }
  }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* ========== HEADER ========== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--deep-blue);
    box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
    min-height: var(--header-height);
    display: flex;
    align-items: center;
  }
  .site-header .container-custom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 12px;
    width: 100%;
  }
  .sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: transparent;
    color: #fff;
    font-size: 18px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
  }
  .sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--gold);
    color: var(--gold);
  }
  @media (max-width: 1024px) {
    .sidebar-toggle {
      display: flex;
    }
  }
  .header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .header-brand .logo-icon {
    width: 38px;
    height: 38px;
    background: var(--gold);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    display: inline-block;
    transition: transform 0.3s ease;
  }
  .header-brand:hover .logo-icon {
    transform: rotate(15deg) scale(1.05);
  }
  .header-brand .brand-text {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    white-space: nowrap;
  }
  .header-brand .brand-text span {
    color: var(--gold);
  }
  .header-search {
    flex: 1 1 280px;
    max-width: 380px;
    display: flex;
    align-items: center;
    position: relative;
  }
  .header-search input {
    width: 100%;
    height: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    padding: 0 16px 0 38px;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
  }
  .header-search input::placeholder {
    color: rgba(255, 255, 255, 0.65);
  }
  .header-search input:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--gold);
  }
  .header-search .search-icon {
    position: absolute;
    left: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    pointer-events: none;
  }
  .header-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  .header-tools .tool-btn {
    height: 36px;
    padding: 0 12px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: transparent;
    color: #fff;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    white-space: nowrap;
  }
  .header-tools .tool-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--gold);
    color: var(--gold);
  }
  .header-tools .tool-btn i {
    font-size: 12px;
  }
  @media (max-width: 640px) {
    .header-search {
      max-width: 100%;
      flex: 0 0 auto;
    }
    .header-search input {
      width: 42px;
      padding: 0;
      padding-left: 38px;
    }
    .header-search input::placeholder {
      color: transparent;
    }
    .header-tools .tool-btn span {
      display: none;
    }
    .header-tools .tool-btn {
      width: 38px;
      padding: 0;
      justify-content: center;
    }
    .header-tools .tool-btn i:last-child {
      display: none;
    }
  }

  /* ========== MAIN NAV ========== */
  .main-nav-bar {
    background: var(--deep-blue-2);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0;
    position: sticky;
    top: var(--header-height);
    z-index: 99;
  }
  .main-nav-bar .container-custom {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
    min-height: 44px;
  }
  .main-nav-bar .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 10px 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    flex-shrink: 0;
  }
  .main-nav-bar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border-bottom-color: var(--gold);
  }
  .main-nav-bar .nav-link.active {
    color: var(--gold);
    border-bottom-color: var(--coral);
    font-weight: 700;
  }
  .main-nav-bar .nav-link i {
    font-size: 12px;
    color: var(--gold);
  }

  /* ========== SIDEBAR + CONTENT LAYOUT ========== */
  .page-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height));
    position: relative;
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(11, 42, 74, 0.5);
    z-index: 150;
    border: 0;
    padding: 0;
  }
  @media (max-width: 1024px) {
    .sidebar-overlay.show {
      display: block;
    }
  }
  .doc-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid var(--border-light);
    position: sticky;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    z-index: 160;
    transition: transform 0.3s ease;
    padding: 20px 16px 40px;
  }
  .doc-sidebar::-webkit-scrollbar {
    width: 4px;
  }
  .doc-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 8px;
  }
  .doc-sidebar h3 {
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .doc-sidebar h3 i {
    color: var(--coral);
    font-size: 13px;
  }
  .doc-sidebar .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .doc-sidebar .sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    border-left: 3px solid transparent;
    line-height: 1.4;
  }
  .doc-sidebar .sidebar-link:hover {
    background: var(--light-blue-gray);
    color: var(--deep-blue);
    border-left-color: var(--gold);
  }
  .doc-sidebar .sidebar-link.active {
    background: rgba(11, 42, 74, 0.06);
    color: var(--deep-blue);
    font-weight: 700;
    border-left-color: var(--coral);
  }
  .doc-sidebar .sidebar-link .link-num {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--light-blue-gray);
    border-radius: 10px;
    padding: 1px 8px;
    font-weight: 500;
  }
  .doc-sidebar .sidebar-link.active .link-num {
    background: var(--coral);
    color: #fff;
  }
  .doc-sidebar .sidebar-divider {
    height: 1px;
    background: var(--border-light);
    margin: 16px 0;
  }
  .doc-sidebar .sidebar-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 8px;
  }
  @media (max-width: 1024px) {
    .doc-sidebar {
      position: fixed;
      top: 0;
      left: 0;
      height: 100vh;
      transform: translateX(-100%);
      box-shadow: 8px 0 30px rgba(11, 42, 74, 0.2);
      z-index: 200;
      padding-top: 70px;
    }
    .doc-sidebar.open {
      transform: translateX(0);
    }
  }
  .page-main {
    flex: 1;
    min-width: 0;
    padding: 36px 0 60px;
  }
  @media (max-width: 768px) {
    .page-main {
      padding: 24px 0 40px;
    }
  }

  /* ========== BREADCRUMB ========== */
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
    padding: 0 8px;
  }
  .breadcrumb a {
    color: var(--text-muted);
  }
  .breadcrumb a:hover {
    color: var(--coral);
  }
  .breadcrumb .sep {
    color: var(--text-muted);
    font-size: 11px;
  }
  .breadcrumb .current {
    color: var(--deep-blue);
    font-weight: 600;
  }

  /* ========== CATEGORY H1 / HERO-LIKE INTRO ========== */
  .category-intro {
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--deep-blue-2) 100%);
    border-radius: var(--radius-card);
    padding: 40px 36px;
    color: #fff;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
  }
  .category-intro::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 200px;
    height: 200px;
    border: 2px dashed rgba(242, 184, 75, 0.35);
    border-radius: 50%;
    pointer-events: none;
  }
  .category-intro::before {
    content: '';
    position: absolute;
    right: 80px;
    bottom: -60px;
    width: 160px;
    height: 160px;
    background: rgba(255, 107, 74, 0.15);
    border-radius: 50%;
    pointer-events: none;
  }
  .category-intro .cat-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(242, 184, 75, 0.2);
    color: var(--gold);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.6px;
    margin-bottom: 14px;
    border: 1px solid rgba(242, 184, 75, 0.3);
  }
  .category-intro h1 {
    color: #fff;
    font-size: 32px;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    line-height: 1.35;
  }
  .category-intro p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    max-width: 720px;
    margin-bottom: 0;
    line-height: 1.8;
    position: relative;
    z-index: 1;
  }
  @media (max-width: 768px) {
    .category-intro {
      padding: 28px 20px;
    }
    .category-intro h1 {
      font-size: 24px;
    }
    .category-intro p {
      font-size: 14px;
    }
  }

  /* ========== SECTION TITLES ========== */
  .section-title {
    font-size: 24px;
    color: var(--deep-blue);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
  }
  .section-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
  }
  .section-header {
    margin-bottom: 24px;
  }
  .section-header.center {
    text-align: center;
  }
  .section-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    background: rgba(255, 107, 74, 0.1);
    color: var(--coral);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
  }

  /* ========== DATA TABLE ========== */
  .data-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition);
    margin-bottom: 24px;
  }
  .data-card:hover {
    box-shadow: var(--shadow-card-hover);
  }
  .data-card .card-header {
    padding: 18px 24px;
    background: var(--light-blue-gray);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
  }
  .data-card .card-header h2 {
    font-size: 18px;
    margin-bottom: 0;
    color: var(--deep-blue);
  }
  .data-card .card-header .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 107, 74, 0.1);
    color: var(--coral);
  }
  .data-card .card-header .status-badge.live {
    background: rgba(255, 107, 74, 0.15);
    color: var(--coral-dark);
    animation: pulse-badge 2s infinite;
  }
  @keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
  }
  .data-table-wrap {
    overflow-x: auto;
    padding: 0;
  }
  .data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 0;
    min-width: 600px;
  }
  .data-table thead th {
    background: var(--deep-blue);
    color: #fff;
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  .data-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-main);
    white-space: nowrap;
  }
  .data-table tbody tr:hover {
    background: rgba(232, 238, 246, 0.5);
  }
  .data-table tbody tr:last-child td {
    border-bottom: 0;
  }
  .data-table .team-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--deep-blue);
  }
  .data-table .team-cell .team-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .data-table .num-bold {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--deep-blue);
  }
  .data-table .coral-text {
    color: var(--coral);
    font-weight: 700;
  }
  .data-table .gold-text {
    color: var(--gold);
    font-weight: 700;
  }
  .data-table .up-indicator {
    color: #2E9E5B;
    font-size: 12px;
    font-weight: 600;
  }
  .data-table .down-indicator {
    color: var(--coral);
    font-size: 12px;
    font-weight: 600;
  }
  .table-bar {
    display: inline-block;
    height: 8px;
    border-radius: 4px;
    background: var(--light-blue-gray);
    width: 60px;
    overflow: hidden;
    vertical-align: middle;
  }
  .table-bar .bar-fill {
    display: block;
    height: 100%;
    border-radius: 4px;
    background: var(--coral);
  }
  .table-bar .bar-fill.gold-fill {
    background: var(--gold);
  }
  .table-bar .bar-fill.blue-fill {
    background: var(--deep-blue-2);
  }

  /* ========== RANK CARD LIST ========== */
  .rank-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  @media (max-width: 768px) {
    .rank-list {
      grid-template-columns: 1fr;
    }
  }
  .rank-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
  }
  .rank-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--coral);
    transform: translateY(-2px);
  }
  .rank-card .rank-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
  }
  .rank-card .rank-num.top1 {
    background: var(--gold);
    color: var(--deep-blue);
  }
  .rank-card .rank-num.top2 {
    background: #C0C8D4;
    color: var(--deep-blue);
  }
  .rank-card .rank-num.top3 {
    background: #D7A86E;
    color: var(--deep-blue);
  }
  .rank-card .rank-num.other {
    background: var(--light-blue-gray);
    color: var(--text-secondary);
  }
  .rank-card .rank-info {
    flex: 1;
    min-width: 0;
  }
  .rank-card .rank-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--deep-blue);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .rank-card .rank-team {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
  }
  .rank-card .rank-stat {
    font-size: 14px;
    font-weight: 700;
    color: var(--coral);
    font-variant-numeric: tabular-nums;
  }
  .rank-card .rank-stat small {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
  }
  .rank-card .rank-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--light-blue-gray);
  }

  /* ========== TEAM COMPARE ========== */
  .team-compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  @media (max-width: 768px) {
    .team-compare-grid {
      grid-template-columns: 1fr;
    }
  }
  .compare-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 20px;
    transition: var(--transition);
  }
  .compare-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--gold);
  }
  .compare-card .compare-team {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
  }
  .compare-card .compare-team img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
  }
  .compare-card .compare-team .team-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--deep-blue);
  }
  .compare-card .compare-team .team-record {
    font-size: 12px;
    color: var(--text-muted);
  }
  .compare-card .compare-metrics {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .compare-card .metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
  }
  .compare-card .metric-row .metric-label {
    color: var(--text-muted);
  }
  .compare-card .metric-row .metric-value {
    font-weight: 700;
    color: var(--deep-blue);
    font-variant-numeric: tabular-nums;
  }
  .compare-card .metric-row .metric-value.highlight {
    color: var(--coral);
  }

  /* ========== TIMELINE ========== */
  .milestone-timeline {
    position: relative;
    padding-left: 28px;
  }
  .milestone-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border-light);
  }
  .milestone-item {
    position: relative;
    padding-bottom: 28px;
  }
  .milestone-item:last-child {
    padding-bottom: 0;
  }
  .milestone-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--coral);
    border: 2px solid #fff;
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.25);
  }
  .milestone-item.historic::before {
    background: var(--gold);
    box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.25);
  }
  .milestone-item .ms-date {
    font-size: 12px;
    font-weight: 600;
    color: var(--coral);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
  }
  .milestone-item.historic .ms-date {
    color: #B8860B;
  }
  .milestone-item .ms-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--deep-blue);
    margin-bottom: 4px;
  }
  .milestone-item .ms-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ========== ARTICLE / INSIGHT CARD ========== */
  .insight-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }
  .insight-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--coral);
    transform: translateY(-3px);
  }
  .insight-card .insight-img {
    height: 180px;
    overflow: hidden;
    position: relative;
  }
  .insight-card .insight-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .insight-card:hover .insight-img img {
    transform: scale(1.05);
  }
  .insight-card .insight-body {
    padding: 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .insight-card .insight-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 3px;
    background: rgba(255, 107, 74, 0.1);
    color: var(--coral);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
    align-self: flex-start;
  }
  .insight-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--deep-blue);
    line-height: 1.45;
  }
  .insight-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    flex: 1;
  }
  .insight-card .insight-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
  }
  .insight-card .insight-meta i {
    font-size: 11px;
  }
  .insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  @media (max-width: 768px) {
    .insight-grid {
      grid-template-columns: 1fr;
    }
  }
  @media (min-width: 769px) and (max-width: 1024px) {
    .insight-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  /* ========== DATA SERVICE / CTA ========== */
  .data-service {
    background: var(--deep-blue);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }
  .data-service::before {
    content: '';
    position: absolute;
    right: -30px;
    top: -30px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(242, 184, 75, 0.12);
    pointer-events: none;
  }
  .data-service .service-content {
    flex: 1;
    min-width: 260px;
  }
  .data-service h2 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 8px;
  }
  .data-service p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-bottom: 0;
    line-height: 1.7;
  }
  .data-service .service-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
  }
  @media (max-width: 640px) {
    .data-service {
      flex-direction: column;
      align-items: flex-start;
    }
  }
  .btn-coral {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-btn);
    background: var(--coral);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid var(--coral);
    transition: var(--transition);
    text-decoration: none;
  }
  .btn-coral:hover {
    background: var(--coral-dark);
    border-color: var(--coral-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 107, 74, 0.3);
  }
  .btn-coral:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }
  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-btn);
    background: transparent;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
    text-decoration: none;
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold);
    color: var(--gold);
  }
  .btn-outline-light:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

  /* ========== SEARCH / FORM ========== */
  .subscribe-mini-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
  }
  .subscribe-mini-form input[type="email"] {
    flex: 1;
    min-width: 200px;
    height: 44px;
    border-radius: var(--radius-input);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 0 16px;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
  }
  .subscribe-mini-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.55);
  }
  .subscribe-mini-form input[type="email"]:focus {
    border-color: var(--gold);
    background: rgba(255, 255, 255, 0.15);
  }

  /* ========== FOOTER ========== */
  .site-footer {
    background: var(--deep-blue);
    color: rgba(255, 255, 255, 0.75);
    padding: 56px 0 28px;
    margin-top: 0;
  }
  .site-footer .container-custom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
  }
  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
  }
  @media (max-width: 520px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }
  }
  .footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }
  .footer-brand .footer-logo .logo-icon {
    width: 30px;
    height: 30px;
    background: var(--gold);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    display: inline-block;
  }
  .footer-brand .footer-logo .brand-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
  }
  .footer-brand .footer-logo .brand-text span {
    color: var(--gold);
  }
  .footer-brand p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 0;
    line-height: 1.7;
    max-width: 300px;
  }
  .footer-col h4 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: 0.3px;
  }
  .footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-col ul li {
    margin-bottom: 8px;
  }
  .footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }
  .footer-col ul li a:hover {
    color: var(--gold);
  }
  .footer-col ul li a i {
    font-size: 10px;
    color: var(--coral);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
  }
  .footer-bottom .footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }
  .footer-bottom .footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: var(--transition);
  }
  .footer-bottom .footer-links a:hover {
    color: var(--gold);
  }
  .footer-bottom .sep {
    color: rgba(255, 255, 255, 0.25);
  }
  @media (max-width: 640px) {
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
    .footer-bottom .footer-links {
      flex-direction: column;
      align-items: flex-start;
      gap: 4px;
    }
    .footer-bottom .footer-links .sep {
      display: none;
    }
  }

  /* ========== MISC ========== */
  .divider-wave {
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--deep-blue) 0%, var(--coral) 25%, var(--gold) 50%, var(--coral) 75%, var(--deep-blue) 100%);
    opacity: 0.4;
    border-radius: 6px;
    margin: 24px 0;
  }
  .table-responsive-note {
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
    padding: 8px 16px;
    border-top: 1px solid var(--border-light);
  }
  .highlight-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
  }
  .highlight-badge.coral {
    background: rgba(255, 107, 74, 0.12);
    color: var(--coral);
  }
  .highlight-badge.gold {
    background: rgba(242, 184, 75, 0.2);
    color: #B8860B;
  }
  .text-center {
    text-align: center;
  }
  .mt-32 {
    margin-top: 32px;
  }
  .mb-32 {
    margin-bottom: 32px;
  }
  .mb-16 {
    margin-bottom: 16px;
  }

/* roulang page: category5 */
:root {
            --deep-blue: #0B2A4A;
            --deep-blue-2: #123A63;
            --coral: #FF6B4A;
            --coral-dark: #E5563A;
            --gold: #F2B84B;
            --wave-white: #F4F7FC;
            --light-blue-gray: #E8EEF6;
            --text-main: #1D2B3A;
            --text-secondary: #52667A;
            --text-muted: #7C8FA3;
            --border-light: #D9E2ED;
            --border-focus: #FF6B4A;
            --bg-card: #FFFFFF;
            --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
            --section-pad: 72px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1240px;
            --header-height: 68px;
            --sidebar-width: 260px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--wave-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover {
            color: var(--coral);
            text-decoration: none;
        }

        button {
            cursor: pointer;
            font-family: var(--font-main);
        }

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--deep-blue);
            box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
            width: 100%;
        }

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

        .header-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
            transition: transform 0.3s ease;
        }

        .header-brand:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
        }

        .header-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-brand .brand-text span {
            color: var(--gold);
        }

        .header-search {
            flex: 1 1 280px;
            max-width: 380px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 16px 0 38px;
            font-size: 14px;
            transition: var(--transition);
            outline: none;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }

        .header-search input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--gold);
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            pointer-events: none;
        }

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

        .header-tools .tool-btn {
            height: 36px;
            padding: 0 14px;
            border-radius: 18px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-tools .tool-btn:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
            color: var(--gold);
        }

        .header-tools .tool-btn i {
            font-size: 12px;
        }

        .sidebar-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .sidebar-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ========== MAIN NAV ========== */
        .main-nav-bar {
            background: var(--deep-blue-2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0;
            position: sticky;
            top: var(--header-height);
            z-index: 99;
        }

        .main-nav-bar .container-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
        }

        .main-nav-bar .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            position: relative;
        }

        .main-nav-bar .nav-link i {
            font-size: 13px;
            opacity: 0.7;
        }

        .main-nav-bar .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav-bar .nav-link.active {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        .main-nav-bar .nav-link.active i {
            opacity: 1;
        }

        /* ========== PAGE LAYOUT ========== */
        .page-layout {
            display: grid;
            grid-template-columns: var(--sidebar-width) 1fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 32px 20px 0;
            align-items: start;
        }

        /* ========== SIDEBAR ========== */
        .doc-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 48px);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 16px;
            max-height: calc(100vh - var(--header-height) - 64px);
            overflow-y: auto;
            transition: var(--transition);
        }

        .doc-sidebar .sidebar-heading {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            padding: 0 8px 12px;
            margin-bottom: 8px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .doc-sidebar .sidebar-heading i {
            color: var(--coral);
            font-size: 14px;
        }

        .doc-sidebar .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .doc-sidebar .sidebar-list li {
            margin: 0;
            padding: 0;
        }

        .doc-sidebar .sidebar-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 10px 8px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .doc-sidebar .sidebar-list a:hover {
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            border-left-color: var(--coral);
        }

        .doc-sidebar .sidebar-list a.active {
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            border-left-color: var(--deep-blue);
            font-weight: 600;
        }

        .doc-sidebar .sidebar-list a .side-num {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
            background: var(--wave-white);
            border-radius: 10px;
            padding: 1px 8px;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(11, 42, 74, 0.5);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .sidebar-overlay.open {
            opacity: 1;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content-area {
            min-width: 0;
        }

        .page-section {
            padding: 28px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }

        .page-section:last-child {
            border-bottom: none;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-heading h2 i {
            color: var(--coral);
            font-size: 18px;
        }

        .section-heading .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--coral);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .section-heading .section-link:hover {
            color: var(--coral-dark);
            gap: 8px;
        }

        /* ========== HERO AREA (分类页标题区) ========== */
        .category-hero {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            align-items: center;
        }

        .category-hero .hero-text h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .category-hero .hero-text .lead {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        .category-hero .hero-text .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .category-hero .hero-text .hero-tags .tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 14px;
            background: var(--light-blue-gray);
            color: var(--deep-blue);
            font-weight: 500;
        }

        .category-hero .hero-text .hero-tags .tag.hot {
            background: #FFF0EB;
            color: var(--coral);
        }

        .category-hero .hero-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            background: var(--light-blue-gray);
            min-height: 220px;
        }

        .category-hero .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
        }

        .category-hero .hero-image .image-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: var(--deep-blue);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 500;
        }

        /* ========== REVIEW FEATURE CARDS ========== */
        .review-feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .review-feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
        }

        .review-feature-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 3 / 2;
            background: var(--light-blue-gray);
        }

        .review-feature-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .review-feature-card:hover .card-img img {
            transform: scale(1.04);
        }

        .review-feature-card .card-img .score-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--coral);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 16px;
            line-height: 1.3;
        }

        .review-feature-card .card-img .category-label {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(11, 42, 74, 0.85);
            color: #fff;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 12px;
        }

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

        .review-feature-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .review-feature-card .card-body .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
        }

        .review-feature-card .card-body .meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
        }

        .review-feature-card .card-body .meta-row i {
            font-size: 11px;
        }

        /* ========== SCORE TABLE ========== */
        .score-table-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-top: 16px;
        }

        .score-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
            font-size: 14px;
        }

        .score-table thead th {
            background: var(--deep-blue);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            padding: 12px 16px;
            text-align: left;
            white-space: nowrap;
        }

        .score-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-main);
            vertical-align: middle;
        }

        .score-table tbody tr:last-child td {
            border-bottom: none;
        }

        .score-table tbody tr:hover td {
            background: var(--wave-white);
        }

        .score-table .rank-cell {
            font-weight: 700;
            font-size: 16px;
            color: var(--deep-blue);
        }

        .score-table .rank-cell.top1 {
            color: var(--gold);
        }

        .score-table .rank-cell.top2 {
            color: #A8B8C8;
        }

        .score-table .rank-cell.top3 {
            color: #C08B5C;
        }

        .score-table .score-num {
            font-weight: 700;
            font-size: 18px;
            font-variant-numeric: tabular-nums;
        }

        .score-table .score-num.excellent {
            color: var(--coral);
        }

        .score-table .score-num.good {
            color: var(--deep-blue);
        }

        .score-table .item-name {
            font-weight: 600;
            color: var(--deep-blue);
        }

        .score-table .item-tag {
            display: inline-block;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            background: var(--light-blue-gray);
            color: var(--text-secondary);
            margin-left: 6px;
        }

        /* ========== COMPARISON STRIP ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .comparison-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .comparison-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold);
        }

        .comparison-card .comparison-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--light-blue-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-size: 18px;
            color: var(--deep-blue);
        }

        .comparison-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0 0 6px;
        }

        .comparison-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== TOPIC GRID ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--coral);
        }

        .topic-card .topic-icon {
            font-size: 22px;
            color: var(--coral);
            margin-bottom: 12px;
        }

        .topic-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0 0 6px;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== TIMELINE ========== */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 22px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border-light);
            z-index: 0;
        }

        .timeline-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .timeline-step .step-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--deep-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin: 0 auto 12px;
            border: 3px solid var(--wave-white);
            box-shadow: 0 0 0 2px var(--border-light);
        }

        .timeline-step h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0 0 4px;
        }

        .timeline-step p {
            font-size: 12px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold);
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.75;
            margin: 0 0 14px;
            font-style: normal;
        }

        .testimonial-card .quote-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .quote-user .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--deep-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
        }

        .testimonial-card .quote-user .user-info {
            font-size: 13px;
        }

        .testimonial-card .quote-user .user-info strong {
            display: block;
            color: var(--deep-blue);
            font-size: 13px;
        }

        .testimonial-card .quote-user .user-info span {
            color: var(--text-muted);
            font-size: 12px;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }

        .news-item:hover {
            border-color: var(--coral);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(3px);
        }

        .news-item .news-info {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 0;
        }

        .news-item .news-info .news-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-item .news-info .news-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--deep-blue);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-item .news-tag {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--light-blue-gray);
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-item .news-tag.new {
            background: #FFF0EB;
            color: var(--coral);
        }

        /* ========== FAQ ========== */
        .faq-list {
            margin: 0;
            padding: 0;
        }

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

        .faq-item:last-child {
            margin-bottom: 0;
        }

        .faq-item:hover {
            border-color: var(--gold);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--deep-blue);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--coral);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-item.open .faq-question i {
            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: 200px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-panel {
            background: var(--deep-blue);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card-hover);
        }

        .cta-panel .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-panel .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .cta-panel .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

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

        .cta-form input[type="email"] {
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            min-width: 220px;
            transition: var(--transition);
            outline: none;
        }

        .cta-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--coral);
            background: rgba(255, 255, 255, 0.18);
        }

        .cta-form .btn-primary {
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            border: none;
            background: var(--coral);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .cta-form .btn-primary:hover {
            background: var(--coral-dark);
            box-shadow: 0 0 0 2px rgba(242, 184, 75, 0.5);
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--deep-blue);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--gold);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            display: inline-block;
        }

        .footer-brand .footer-logo .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand .footer-logo .brand-text span {
            color: var(--gold);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin: 0 0 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            padding: 18px 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 12px;
            transition: var(--transition);
        }

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

        .footer-bottom .footer-links .sep {
            opacity: 0.4;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-layout {
                grid-template-columns: 220px 1fr;
                gap: 20px;
            }

            :root {
                --sidebar-width: 220px;
            }

            .review-feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .comparison-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-timeline {
                grid-template-columns: repeat(3, 1fr);
            }

            .process-timeline::before {
                display: none;
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .filter-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-pad: 48px 0;
            }

            .site-header .container-custom {
                gap: 10px;
            }

            .header-brand .brand-text {
                font-size: 17px;
            }

            .header-brand .logo-icon {
                width: 32px;
                height: 32px;
            }

            .header-search {
                display: none;
            }

            .header-tools .tool-btn {
                padding: 0 10px;
                font-size: 12px;
            }

            .header-tools .tool-btn span {
                display: none;
            }

            .sidebar-toggle {
                display: flex;
            }

            .main-nav-bar {
                top: var(--header-height);
            }

            .main-nav-bar .nav-link {
                padding: 10px 14px;
                font-size: 13px;
            }

            .page-layout {
                grid-template-columns: 1fr;
                padding: 16px 16px 0;
                gap: 0;
            }

            .doc-sidebar {
                position: fixed;
                top: 0;
                left: -280px;
                bottom: 0;
                width: 260px;
                max-height: 100vh;
                border-radius: 0;
                z-index: 200;
                padding: 20px;
                transition: left 0.3s ease;
            }

            .doc-sidebar.open {
                left: 0;
            }

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

            .sidebar-overlay.open {
                pointer-events: auto;
                opacity: 1;
            }

            .category-hero {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 16px;
            }

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

            .category-hero .hero-image {
                min-height: 180px;
            }

            .category-hero .hero-image img {
                min-height: 180px;
            }

            .review-feature-grid {
                grid-template-columns: 1fr;
            }

            .comparison-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

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

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

            .section-heading h2 {
                font-size: 18px;
            }

            .news-item {
                flex-wrap: wrap;
                gap: 8px;
            }

            .news-item .news-info {
                flex-wrap: wrap;
            }

            .news-item .news-info .news-title {
                white-space: normal;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }

            .cta-form {
                width: 100%;
            }

            .cta-form input[type="email"] {
                flex: 1;
                min-width: 0;
                width: 100%;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .header-tools .tool-btn {
                width: 36px;
                height: 36px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
            }

            .header-tools .tool-btn i.fa-caret-down {
                display: none;
            }

            .main-nav-bar .nav-link {
                padding: 8px 12px;
                font-size: 12px;
            }

            .category-hero .hero-text h1 {
                font-size: 20px;
            }

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

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

            .process-timeline {
                grid-template-columns: 1fr;
            }

            .score-table {
                font-size: 12px;
            }

            .score-table thead th,
            .score-table tbody td {
                padding: 8px 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .footer-brand {
                grid-column: auto;
            }
        }

/* roulang page: category4 */
:root {
        --deep-blue: #0B2A4A;
        --deep-blue-2: #123A63;
        --coral: #FF6B4A;
        --coral-dark: #E5563A;
        --gold: #F2B84B;
        --wave-white: #F4F7FC;
        --light-blue-gray: #E8EEF6;
        --text-main: #1D2B3A;
        --text-secondary: #52667A;
        --text-muted: #7C8FA3;
        --border-light: #D9E2ED;
        --border-focus: #FF6B4A;
        --bg-card: #FFFFFF;
        --shadow-card: 0 2px 10px rgba(11, 42, 74, 0.06);
        --shadow-card-hover: 0 8px 28px rgba(11, 42, 74, 0.12);
        --radius-card: 10px;
        --radius-btn: 8px;
        --radius-input: 6px;
        --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
        --transition: all 0.25s ease;
        --section-pad: 72px 0;
        --section-pad-mobile: 48px 0;
        --container-max: 1240px;
        --header-height: 68px;
        --sidebar-width: 260px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-main);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-main);
        background-color: var(--wave-white);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

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

    a:hover {
        color: var(--coral);
        text-decoration: none;
    }

    button {
        cursor: pointer;
        font-family: var(--font-main);
    }

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

    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* ========== HEADER ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: var(--deep-blue);
        box-shadow: 0 2px 16px rgba(11, 42, 74, 0.18);
        min-height: var(--header-height);
        display: flex;
        align-items: center;
    }

    .site-header .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
        gap: 16px;
        width: 100%;
    }

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

    .header-brand .logo-icon {
        width: 38px;
        height: 38px;
        background: var(--gold);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        display: inline-block;
        transition: transform 0.3s ease;
    }

    .header-brand:hover .logo-icon {
        transform: rotate(15deg) scale(1.05);
    }

    .header-brand .brand-text {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .header-brand .brand-text span {
        color: var(--gold);
    }

    .header-search {
        flex: 1 1 280px;
        max-width: 380px;
        display: flex;
        align-items: center;
        position: relative;
    }

    .header-search input {
        width: 100%;
        height: 40px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.25);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        padding: 0 16px 0 38px;
        font-size: 14px;
        transition: var(--transition);
        outline: none;
    }

    .header-search input::placeholder {
        color: rgba(255, 255, 255, 0.65);
    }

    .header-search input:focus {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--gold);
    }

    .header-search .search-icon {
        position: absolute;
        left: 14px;
        color: rgba(255, 255, 255, 0.7);
        font-size: 14px;
        pointer-events: none;
    }

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

    .header-tools .tool-btn {
        height: 36px;
        padding: 0 14px;
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: transparent;
        color: #fff;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
        white-space: nowrap;
    }

    .header-tools .tool-btn:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--gold);
        color: var(--gold);
    }

    .header-tools .tool-btn i {
        font-size: 12px;
    }

    .sidebar-toggle {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 6px;
        color: #fff;
        width: 38px;
        height: 38px;
        display: none;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        transition: var(--transition);
        flex-shrink: 0;
    }

    .sidebar-toggle:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--gold);
        color: var(--gold);
    }

    /* ========== MAIN NAV ========== */
    .main-nav-bar {
        background: var(--deep-blue-2);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0;
    }

    .main-nav-bar .container-custom {
        display: flex;
        align-items: center;
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
    }

    .main-nav-bar .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 12px 18px;
        color: rgba(255, 255, 255, 0.8);
        font-size: 14px;
        font-weight: 500;
        white-space: nowrap;
        transition: var(--transition);
        border-bottom: 3px solid transparent;
        flex-shrink: 0;
    }

    .main-nav-bar .nav-link i {
        font-size: 13px;
        opacity: 0.7;
    }

    .main-nav-bar .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
    }

    .main-nav-bar .nav-link.active {
        color: var(--gold);
        border-bottom-color: var(--gold);
        background: rgba(242, 184, 75, 0.08);
    }

    /* ========== PAGE LAYOUT ========== */
    .page-layout {
        display: flex;
        gap: 32px;
        padding: 32px 0 72px;
        align-items: flex-start;
    }

    /* ========== SIDEBAR ========== */
    .doc-sidebar {
        width: var(--sidebar-width);
        flex-shrink: 0;
        position: sticky;
        top: calc(var(--header-height) + 48px);
        background: var(--bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-card);
        padding: 20px 16px;
        max-height: calc(100vh - var(--header-height) - 80px);
        overflow-y: auto;
        z-index: 50;
    }

    .doc-sidebar .sidebar-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--deep-blue);
        margin-bottom: 14px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--light-blue-gray);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .doc-sidebar .sidebar-title i {
        color: var(--coral);
        font-size: 14px;
    }

    .doc-sidebar ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .doc-sidebar ul li {
        margin-bottom: 2px;
    }

    .doc-sidebar ul li a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 14px;
        color: var(--text-secondary);
        transition: var(--transition);
        position: relative;
    }

    .doc-sidebar ul li a::before {
        content: '';
        width: 6px;
        height: 6px;
        background: var(--border-light);
        border-radius: 50%;
        flex-shrink: 0;
        transition: var(--transition);
    }

    .doc-sidebar ul li a:hover {
        background: var(--wave-white);
        color: var(--deep-blue);
    }

    .doc-sidebar ul li a:hover::before {
        background: var(--coral);
    }

    .doc-sidebar ul li a.active {
        background: var(--deep-blue);
        color: #fff;
    }

    .doc-sidebar ul li a.active::before {
        background: var(--gold);
    }

    /* ========== CONTENT ========== */
    .page-content {
        flex: 1;
        min-width: 0;
    }

    .breadcrumb-wrap {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }

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

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

    .breadcrumb-wrap .sep {
        color: var(--border-light);
    }

    .breadcrumb-wrap .current {
        color: var(--deep-blue);
        font-weight: 600;
    }

    .page-hero-sub {
        background: var(--deep-blue);
        border-radius: var(--radius-card);
        padding: 40px 36px;
        margin-bottom: 32px;
        position: relative;
        overflow: hidden;
        min-height: 200px;
        display: flex;
        align-items: center;
    }

    .page-hero-sub::after {
        content: '';
        position: absolute;
        top: -40px;
        right: -40px;
        width: 180px;
        height: 180px;
        background: rgba(242, 184, 75, 0.08);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        pointer-events: none;
    }

    .page-hero-sub::before {
        content: '';
        position: absolute;
        bottom: -30px;
        right: 120px;
        width: 80px;
        height: 80px;
        background: rgba(255, 107, 74, 0.12);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        pointer-events: none;
    }

    .page-hero-sub .hero-inner {
        position: relative;
        z-index: 2;
        max-width: 680px;
    }

    .page-hero-sub .hero-tag {
        display: inline-block;
        background: var(--coral);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }

    .page-hero-sub h1 {
        font-size: 32px;
        font-weight: 800;
        color: #fff;
        margin: 0 0 12px;
        line-height: 1.3;
        letter-spacing: 0.5px;
    }

    .page-hero-sub p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 15px;
        line-height: 1.8;
        margin: 0;
    }

    /* ========== SECTION COMMON ========== */
    .content-section {
        margin-bottom: 36px;
    }

    .section-heading {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .section-heading h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--deep-blue);
        margin: 0;
        display: flex;
        align-items: center;
        gap: 10px;
        line-height: 1.4;
    }

    .section-heading h2 i {
        color: var(--coral);
        font-size: 18px;
    }

    .section-heading .section-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--coral);
        display: flex;
        align-items: center;
        gap: 4px;
        white-space: nowrap;
    }

    .section-heading .section-link:hover {
        color: var(--coral-dark);
    }

    .section-heading .section-link i {
        font-size: 12px;
    }

    /* ========== RULE CARDS ========== */
    .rule-card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }

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

    .rule-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-3px);
        border-color: var(--coral);
    }

    .rule-card .rule-card-img {
        position: relative;
        height: 160px;
        overflow: hidden;
        background: var(--light-blue-gray);
    }

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

    .rule-card:hover .rule-card-img img {
        transform: scale(1.05);
    }

    .rule-card .rule-card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--coral);
        color: #fff;
        font-size: 11px;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: 20px;
        letter-spacing: 0.3px;
    }

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

    .rule-card .rule-card-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--deep-blue);
        margin: 0 0 8px;
        line-height: 1.4;
    }

    .rule-card .rule-card-desc {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin: 0 0 14px;
        flex: 1;
    }

    .rule-card .rule-card-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 12px;
        color: var(--text-muted);
        padding-top: 12px;
        border-top: 1px solid var(--light-blue-gray);
    }

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

    .rule-card .rule-card-meta i {
        font-size: 11px;
    }

    /* ========== TABLE ========== */
    .rule-table-wrap {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-card);
        overflow: hidden;
    }

    .rule-table-wrap .table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .rule-table-wrap table {
        width: 100%;
        border-collapse: collapse;
        margin: 0;
        min-width: 720px;
    }

    .rule-table-wrap thead {
        background: var(--deep-blue);
    }

    .rule-table-wrap thead th {
        color: #fff;
        font-size: 13px;
        font-weight: 600;
        padding: 14px 16px;
        text-align: left;
        white-space: nowrap;
        letter-spacing: 0.3px;
    }

    .rule-table-wrap tbody tr {
        border-bottom: 1px solid var(--light-blue-gray);
        transition: var(--transition);
    }

    .rule-table-wrap tbody tr:last-child {
        border-bottom: none;
    }

    .rule-table-wrap tbody tr:hover {
        background: var(--wave-white);
    }

    .rule-table-wrap tbody td {
        font-size: 14px;
        color: var(--text-secondary);
        padding: 13px 16px;
        vertical-align: middle;
    }

    .rule-table-wrap tbody td:first-child {
        font-weight: 700;
        color: var(--deep-blue);
        white-space: nowrap;
    }

    .rule-table-wrap .highlight-num {
        font-weight: 800;
        color: var(--coral);
        font-variant-numeric: tabular-nums;
        font-size: 16px;
    }

    .rule-table-wrap .tag-cell {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 20px;
        background: var(--light-blue-gray);
        color: var(--deep-blue);
        white-space: nowrap;
    }

    .rule-table-wrap .tag-cell.tag-coral {
        background: rgba(255, 107, 74, 0.12);
        color: var(--coral-dark);
    }

    .rule-table-wrap .tag-cell.tag-gold {
        background: rgba(242, 184, 75, 0.15);
        color: #B8860B;
    }

    /* ========== TIMELINE ========== */
    .rule-timeline {
        position: relative;
        padding-left: 28px;
        margin: 0;
    }

    .rule-timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 4px;
        bottom: 4px;
        width: 2px;
        background: var(--border-light);
        border-radius: 1px;
    }

    .timeline-item {
        position: relative;
        margin-bottom: 24px;
        padding-bottom: 4px;
    }

    .timeline-item:last-child {
        margin-bottom: 0;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: -24px;
        top: 6px;
        width: 10px;
        height: 10px;
        background: var(--coral);
        border-radius: 50%;
        border: 2px solid var(--wave-white);
        box-shadow: 0 0 0 2px var(--coral);
    }

    .timeline-item .timeline-date {
        font-size: 12px;
        font-weight: 700;
        color: var(--coral);
        letter-spacing: 0.5px;
        margin-bottom: 4px;
    }

    .timeline-item .timeline-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--deep-blue);
        margin: 0 0 6px;
        line-height: 1.4;
    }

    .timeline-item .timeline-desc {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin: 0;
    }

    .timeline-item .timeline-img {
        margin-top: 12px;
        border-radius: 8px;
        overflow: hidden;
        max-width: 300px;
    }

    .timeline-item .timeline-img img {
        width: 100%;
        height: 120px;
        object-fit: cover;
        border-radius: 8px;
    }

    /* ========== ARTICLE LIST ========== */
    .article-list-card {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-card);
        overflow: hidden;
    }

    .article-item {
        display: flex;
        gap: 18px;
        padding: 18px 20px;
        border-bottom: 1px solid var(--light-blue-gray);
        transition: var(--transition);
    }

    .article-item:last-child {
        border-bottom: none;
    }

    .article-item:hover {
        background: var(--wave-white);
    }

    .article-item .article-thumb {
        width: 120px;
        height: 80px;
        flex-shrink: 0;
        border-radius: 8px;
        overflow: hidden;
        background: var(--light-blue-gray);
    }

    .article-item .article-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .article-item .article-info {
        flex: 1;
        min-width: 0;
    }

    .article-item .article-tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        padding: 2px 10px;
        border-radius: 20px;
        background: rgba(255, 107, 74, 0.1);
        color: var(--coral-dark);
        margin-bottom: 6px;
    }

    .article-item .article-title {
        font-size: 15px;
        font-weight: 700;
        color: var(--deep-blue);
        margin: 0 0 4px;
        line-height: 1.5;
    }

    .article-item .article-excerpt {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.65;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .article-item .article-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        gap: 14px;
        margin-top: 6px;
    }

    /* ========== FAQ ========== */
    .rule-accordion-wrap {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-card);
        padding: 8px 20px;
    }

    .rule-accordion-item {
        border-bottom: 1px solid var(--light-blue-gray);
    }

    .rule-accordion-item:last-child {
        border-bottom: none;
    }

    .rule-accordion-btn {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 18px 4px;
        background: transparent;
        border: none;
        text-align: left;
        font-size: 15px;
        font-weight: 700;
        color: var(--deep-blue);
        transition: var(--transition);
    }

    .rule-accordion-btn:hover {
        color: var(--coral);
    }

    .rule-accordion-btn i {
        color: var(--text-muted);
        font-size: 14px;
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .rule-accordion-btn.active i {
        transform: rotate(180deg);
        color: var(--coral);
    }

    .rule-accordion-panel {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }

    .rule-accordion-panel .panel-inner {
        padding: 0 4px 18px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    /* ========== CTA ========== */
    .cta-box {
        background: var(--deep-blue);
        border-radius: var(--radius-card);
        padding: 40px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        position: relative;
        overflow: hidden;
    }

    .cta-box::after {
        content: '';
        position: absolute;
        top: -30px;
        right: -30px;
        width: 140px;
        height: 140px;
        background: rgba(242, 184, 75, 0.08);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        pointer-events: none;
    }

    .cta-box .cta-text {
        flex: 1;
        min-width: 240px;
        position: relative;
        z-index: 2;
    }

    .cta-box .cta-text h3 {
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        margin: 0 0 8px;
        line-height: 1.4;
    }

    .cta-box .cta-text p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
    }

    .cta-box .cta-form {
        display: flex;
        gap: 10px;
        flex-shrink: 0;
        position: relative;
        z-index: 2;
        flex-wrap: wrap;
    }

    .cta-box .cta-input {
        width: 260px;
        height: 44px;
        border-radius: 22px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        padding: 0 18px;
        font-size: 14px;
        outline: none;
        transition: var(--transition);
    }

    .cta-box .cta-input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }

    .cta-box .cta-input:focus {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--gold);
    }

    .cta-box .cta-btn {
        height: 44px;
        padding: 0 24px;
        border-radius: 22px;
        border: none;
        background: var(--coral);
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
        white-space: nowrap;
    }

    .cta-box .cta-btn:hover {
        background: var(--coral-dark);
        box-shadow: 0 4px 14px rgba(255, 107, 74, 0.35);
        transform: translateY(-1px);
    }

    /* ========== SIDEBAR OVERLAY ========== */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(11, 42, 74, 0.5);
        z-index: 90;
    }

    .sidebar-overlay.show {
        display: block;
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--deep-blue);
        color: rgba(255, 255, 255, 0.75);
        padding: 56px 0 0;
        margin-top: 48px;
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
    }

    .footer-brand .footer-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--gold);
        clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
        display: inline-block;
    }

    .footer-brand .footer-logo .brand-text {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
    }

    .footer-brand .footer-logo .brand-text span {
        color: var(--gold);
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.6);
        margin: 0;
        max-width: 280px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin: 0 0 14px;
        letter-spacing: 0.5px;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
        transition: var(--transition);
    }

    .footer-col ul li a:hover {
        color: var(--gold);
        padding-left: 4px;
    }

    .footer-bottom {
        padding: 20px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-bottom .copyright {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
    }

    .footer-bottom .footer-links {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }

    .footer-bottom .footer-links a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 12px;
    }

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

    .footer-bottom .footer-links .sep {
        color: rgba(255, 255, 255, 0.25);
    }

    .footer-bottom .footer-links span {
        color: rgba(255, 255, 255, 0.5);
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
        .page-layout {
            gap: 20px;
        }

        .doc-sidebar {
            width: 220px;
        }

        .rule-card-grid {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .sidebar-toggle {
            display: flex;
        }

        .header-search {
            max-width: 200px;
        }

        .header-tools .tool-btn span {
            display: none;
        }

        .header-tools .tool-btn {
            padding: 0 10px;
        }

        .header-tools .tool-btn i {
            font-size: 14px;
        }

        .page-layout {
            flex-direction: column;
            padding: 20px 0 48px;
        }

        .doc-sidebar {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            max-height: 100vh;
            border-radius: 0;
            z-index: 95;
            transition: left 0.3s ease;
            padding-top: 24px;
            box-shadow: 4px 0 24px rgba(11, 42, 74, 0.18);
            overflow-y: auto;
        }

        .doc-sidebar.show {
            left: 0;
        }

        .page-hero-sub {
            padding: 28px 24px;
        }

        .page-hero-sub h1 {
            font-size: 24px;
        }

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

        .rule-card-grid {
            grid-template-columns: 1fr;
        }

        .article-item {
            flex-direction: column;
            gap: 12px;
        }

        .article-item .article-thumb {
            width: 100%;
            height: 140px;
        }

        .cta-box {
            padding: 28px 24px;
            flex-direction: column;
            text-align: center;
        }

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

        .cta-box .cta-input {
            width: 100%;
        }

        .cta-box .cta-btn {
            justify-content: center;
        }

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

        .footer-brand {
            grid-column: 1 / -1;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 10px;
        }
    }

    @media (max-width: 520px) {
        .site-header {
            min-height: 60px;
        }

        .header-brand .brand-text {
            font-size: 17px;
        }

        .header-brand .logo-icon {
            width: 30px;
            height: 30px;
        }

        .header-search {
            display: none;
        }

        .header-tools .tool-btn {
            height: 32px;
            padding: 0 8px;
        }

        .main-nav-bar .nav-link {
            padding: 10px 12px;
            font-size: 13px;
        }

        .page-hero-sub {
            padding: 20px 18px;
        }

        .page-hero-sub h1 {
            font-size: 20px;
        }

        .page-hero-sub p {
            font-size: 13px;
            line-height: 1.6;
        }

        .section-heading h2 {
            font-size: 18px;
        }

        .rule-card-grid {
            grid-template-columns: 1fr;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .footer-brand p {
            max-width: 100%;
        }

        .footer-bottom .footer-links {
            font-size: 11px;
        }
    }