/* roulang page: index */
:root {
            --bg-page: #0e0f12;
            --bg-section: #16181d;
            --bg-card: #1b1e24;
            --bg-elevated: #23262e;
            --line: #2e323a;
            --text-primary: #f2f0ea;
            --text-secondary: #b8b4a8;
            --text-muted: #8a857a;
            --accent: #f2b544;
            --accent-2: #f07c41;
            --accent-3: #7c5cff;
            --success: #3bd68a;
            --danger: #ff5d5d;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 18px 38px rgba(0, 0, 0, 0.35);
            --transition: all 0.22s ease;
            --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: 14px;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .bg-section {
            background-color: var(--bg-section);
        }

        .bg-card {
            background-color: var(--bg-card);
        }

        .bg-elevated {
            background-color: var(--bg-elevated);
        }

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

        .text-muted-c {
            color: var(--text-muted);
        }

        .accent-text {
            color: var(--accent);
        }

        .container {
            max-width: 1280px;
        }

        .section-pad {
            padding: 5.5rem 0;
        }

        @media (max-width: 992px) {
            .section-pad {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 640px) {
            .section-pad {
                padding: 2.5rem 0;
            }
            body {
                font-size: 14.5px;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .card-elevated {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .card-elevated:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-hover);
        }

        .btn-gold {
            background-color: var(--accent);
            color: #111;
            border: none;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-gold:hover {
            background-color: #f6c96a;
            color: #111;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn-outline-gold {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid rgba(242, 181, 68, 0.5);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline-gold:hover {
            background-color: rgba(242, 181, 68, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }

        .badge-gold {
            background-color: rgba(242, 181, 68, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(242, 181, 68, 0.25);
            display: inline-block;
        }

        .badge-dim {
            background-color: rgba(138, 133, 122, 0.15);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(138, 133, 122, 0.2);
            display: inline-block;
        }

        .badge-orange {
            background-color: rgba(240, 124, 65, 0.15);
            color: var(--accent-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(240, 124, 65, 0.25);
        }

        .badge-purple {
            background-color: rgba(124, 92, 255, 0.15);
            color: var(--accent-3);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(124, 92, 255, 0.25);
        }

        .gold-line {
            width: 48px;
            height: 3px;
            background-color: var(--accent);
            margin-bottom: 1.5rem;
            border-radius: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: var(--bg-section);
            border-bottom: 1px solid rgba(242, 181, 68, 0.5);
            padding: 0.75rem 0;
        }

        .site-header .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .site-header .navbar-brand small {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.1em;
        }

        .site-header .navbar-brand:hover {
            color: var(--accent);
        }

        .header-search {
            width: 280px;
            max-width: 100%;
        }

        .header-search .form-control {
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 9px 16px;
            font-size: 14px;
        }

        .header-search .form-control::placeholder {
            color: var(--text-muted);
        }

        .header-search .form-control:focus {
            background-color: var(--bg-elevated);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.15);
            color: var(--text-primary);
        }

        .header-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
        }

        .lang-switch,
        .version-tag {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 12px;
            border: 1px solid transparent;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .lang-switch:hover,
        .version-tag:hover {
            color: var(--accent);
            border-color: rgba(242, 181, 68, 0.5);
            background-color: rgba(242, 181, 68, 0.05);
        }

        .navbar-toggler {
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        .navbar-toggler .fa-bars {
            color: var(--text-primary);
            font-size: 1.1rem;
        }

        /* Sidebar */
        .sidebar-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 0;
            min-height: calc(100vh - 70px);
        }

        .sidebar-doc {
            background-color: var(--bg-section);
            border-right: 1px solid var(--line);
            padding: 2rem 1rem;
            position: sticky;
            top: 70px;
            height: calc(100vh - 70px);
            overflow-y: auto;
        }

        .sidebar-doc .dir-title {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 1.25rem;
            padding-left: 0.75rem;
        }

        .sidebar-doc .nav-link {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 0.6rem 0.75rem;
            border-left: 3px solid transparent;
            border-radius: 6px;
            transition: var(--transition);
            margin-bottom: 0.2rem;
        }

        .sidebar-doc .nav-link i {
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .sidebar-doc .nav-link:hover {
            background-color: var(--bg-elevated);
            color: var(--accent);
        }

        .sidebar-doc .nav-link.active {
            background-color: rgba(242, 181, 68, 0.1);
            border-left-color: var(--accent);
            color: var(--accent);
        }

        .sidebar-doc .nav-link.active i {
            color: var(--accent);
        }

        /* Mobile drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1110;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background-color: var(--bg-section);
            z-index: 1120;
            padding: 1.5rem 1.25rem;
            transform: translateX(-100%);
            transition: transform 0.25s ease;
            overflow-y: auto;
            border-right: 1px solid rgba(242, 181, 68, 0.3);
        }

        .drawer-panel.show {
            transform: translateX(0);
        }

        .drawer-panel .drawer-logo {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .drawer-panel .drawer-close {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
        }

        .drawer-panel .nav-link {
            color: var(--text-secondary);
            padding: 0.7rem 0.5rem;
            font-size: 14px;
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: var(--transition);
        }

        .drawer-panel .nav-link:hover {
            color: var(--accent);
            padding-left: 0.9rem;
        }

        /* Hero before/after */
        .hero-before-after {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background-color: var(--bg-section);
            padding: 6rem 0 4rem;
            overflow: hidden;
        }

        .hero-before-after::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(14, 15, 18, 0.7) 0%, rgba(14, 15, 18, 0.9) 100%);
            z-index: 1;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.4) saturate(0.85);
        }

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

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: 0.01em;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 650px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .ba-comparison {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
            background-color: rgba(11, 12, 15, 0.75);
            border: 1px solid rgba(242, 181, 68, 0.2);
            border-radius: var(--radius);
            padding: 1.5rem;
            backdrop-filter: blur(6px);
        }

        .ba-panel {
            background-color: var(--bg-card);
            border-radius: 10px;
            padding: 1.25rem;
            border: 1px solid var(--line);
        }

        .ba-panel .ba-tag {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
        }

        .ba-before .ba-tag {
            background-color: rgba(255, 93, 93, 0.15);
            color: var(--danger);
        }

        .ba-after .ba-tag {
            background-color: rgba(59, 214, 138, 0.15);
            color: var(--success);
        }

        .ba-panel h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .ba-panel p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Trust bar */
        .trust-bar {
            background-color: var(--bg-section);
            border-bottom: 1px solid var(--line);
            padding: 1.5rem 0;
        }

        .trust-item {
            text-align: center;
            padding: 0.5rem 1rem;
        }

        .trust-item .trust-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.25rem;
            line-height: 1.2;
        }

        .trust-item .trust-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Brand intro */
        .brand-intro {
            background-color: var(--bg-section);
            position: relative;
            overflow: hidden;
        }

        .brand-intro .brand-text {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            column-gap: 2rem;
        }

        .brand-intro .brand-text p {
            margin-bottom: 1.25rem;
        }

        /* Feature group */
        .feature-main {
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242, 181, 68, 0.25);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius);
            padding: 2rem;
            height: 100%;
            transition: var(--transition);
        }

        .feature-main:hover {
            border-left-color: var(--accent-2);
            box-shadow: var(--shadow-card);
        }

        .feature-main h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .feature-main p {
            color: var(--text-secondary);
            margin-bottom: 0;
            font-size: 14.5px;
        }

        .feature-side {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-left: 3px solid rgba(242, 181, 68, 0.4);
            border-radius: 10px;
            padding: 1.25rem;
            transition: var(--transition);
            height: 100%;
        }

        .feature-side:hover {
            border-left-color: var(--accent);
            background-color: var(--bg-elevated);
            transform: translateY(-2px);
        }

        .feature-side h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .feature-side p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .feature-side .feature-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 0.75rem;
        }

        /* Scenario */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .scenario-item {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: var(--transition);
            cursor: default;
        }

        .scenario-item:hover {
            border-color: rgba(242, 181, 68, 0.45);
            background-color: var(--bg-elevated);
        }

        .scenario-item .sc-icon {
            width: 42px;
            height: 42px;
            background-color: rgba(242, 181, 68, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .scenario-item h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }

        .scenario-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .scenario-img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(242, 181, 68, 0.2);
            height: 100%;
            min-height: 350px;
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Demo tabs */
        .demo-tabs .nav-pills {
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .demo-tabs .nav-pills .nav-link {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .demo-tabs .nav-pills .nav-link:hover {
            border-color: rgba(242, 181, 68, 0.5);
            color: var(--accent);
        }

        .demo-tabs .nav-pills .nav-link.active {
            background-color: rgba(242, 181, 68, 0.12);
            border-color: var(--accent);
            color: var(--accent);
        }

        .demo-screen {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.2);
            border-radius: var(--radius);
            overflow: hidden;
            padding: 1rem;
        }

        .demo-screen .screen-top {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--line);
        }

        .demo-screen .screen-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--line);
        }

        .demo-screen .screen-dot:nth-child(1) {
            background-color: var(--danger);
        }
        .demo-screen .screen-dot:nth-child(2) {
            background-color: var(--accent);
        }
        .demo-screen .screen-dot:nth-child(3) {
            background-color: var(--success);
        }

        .demo-screen .screen-body {
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--bg-elevated);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .demo-screen .screen-body img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* Case cards */
        .case-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            padding: 1.75rem;
            height: 100%;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-3px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-card);
        }

        .case-card .case-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .case-card h5 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Pricing */
        .price-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            padding: 2rem 1.75rem;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

        .price-card:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.5);
            box-shadow: var(--shadow-card);
        }

        .price-card.featured {
            border-color: rgba(242, 181, 68, 0.55);
            background-color: var(--bg-elevated);
        }

        .price-card .price-tag {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 0.5rem;
        }

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

        .price-card h5 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .price-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 0.4rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .price-card ul li i {
            color: var(--success);
            font-size: 0.75rem;
        }

        /* Reviews */
        .review-card {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 1.25rem;
            height: 100%;
            transition: var(--transition);
        }

        .review-card:hover {
            border-color: rgba(242, 181, 68, 0.35);
            background-color: var(--bg-elevated);
        }

        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.6rem;
        }

        .review-card .review-avatar {
            width: 36px;
            height: 36px;
            background-color: var(--bg-elevated);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        .review-card .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .review-card .review-stars {
            margin-left: auto;
            font-size: 0.75rem;
            color: var(--accent);
        }

        .review-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* News */
        .news-item {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-item:hover {
            border-color: rgba(242, 181, 68, 0.35);
            background-color: var(--bg-elevated);
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            letter-spacing: 0.04em;
        }

        .news-item h5 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }

        .news-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            flex-grow: 1;
            line-height: 1.65;
        }

        .news-item .read-more {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            border-bottom: 1px solid var(--line);
            padding-bottom: 2px;
            align-self: flex-start;
            transition: var(--transition);
        }

        .news-item .read-more:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* CTA */
        .cta-section {
            background-color: var(--bg-section);
            border-top: 1px solid rgba(242, 181, 68, 0.2);
            border-bottom: 1px solid rgba(242, 181, 68, 0.2);
            padding: 4rem 0;
        }

        .cta-section .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .cta-section .cta-desc {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* Download */
        .download-panel {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.2);
            border-radius: var(--radius);
            padding: 2rem;
            height: 100%;
            transition: var(--transition);
        }

        .download-panel:hover {
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-card);
        }

        .download-panel h5 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .download-panel p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
        }

        /* Timeline */
        .timeline-list {
            position: relative;
            padding-left: 1.75rem;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(242, 181, 68, 0.25);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.5rem;
            padding-left: 1rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.75rem;
            top: 6px;
            width: 12px;
            height: 12px;
            background-color: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--bg-page);
        }

        .timeline-item .tl-time {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
            letter-spacing: 0.05em;
        }

        .timeline-item .tl-text {
            font-size: 14.5px;
            color: var(--text-secondary);
        }

        /* FAQ */
        .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: 10px;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .accordion-item:first-of-type {
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
        }

        .accordion-item:last-of-type {
            border-bottom-left-radius: 10px;
            border-bottom-right-radius: 10px;
        }

        .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 1rem 1.25rem;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background-color: var(--bg-elevated);
            color: var(--accent);
            border-bottom: 1px solid rgba(242, 181, 68, 0.3);
            box-shadow: none;
        }

        .accordion-button::after {
            filter: brightness(2);
            width: 1rem;
            height: 1rem;
            background-size: 1rem;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        .accordion-body {
            background-color: var(--bg-card);
            color: var(--text-secondary);
            font-size: 14px;
            padding: 1rem 1.25rem;
            line-height: 1.7;
        }

        /* Related */
        .related-card {
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-3px);
            border-color: rgba(242, 181, 68, 0.4);
            box-shadow: var(--shadow-card);
        }

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card .rc-body {
            padding: 1.25rem;
        }

        .related-card .rc-body h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .related-card .rc-body p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Back to top */
        .back-to-top-area {
            background-color: var(--bg-section);
            border-top: 1px solid var(--line);
            padding: 1.5rem 0;
            text-align: center;
        }

        .back-to-top-area a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .back-to-top-area a:hover {
            color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-section);
            border-top: 1px solid rgba(242, 181, 68, 0.3);
            padding: 3rem 0 1.5rem;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: block;
        }

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

        .site-footer h6 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

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

        .site-footer ul li {
            margin-bottom: 0.5rem;
        }

        .site-footer ul li a {
            color: var(--text-secondary);
            font-size: 13.5px;
            transition: var(--transition);
        }

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

        .site-footer .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .site-footer .subscribe-form {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }

        .site-footer .subscribe-form input {
            flex: 1;
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 9px 14px;
            font-size: 13px;
        }

        .site-footer .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .site-footer .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.12);
            outline: none;
        }

        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--line);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: space-between;
            align-items: center;
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

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

        .footer-bottom .sep {
            color: var(--line);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .sidebar-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-doc {
                display: none;
            }
            .hero-title {
                font-size: 36px;
            }
            .ba-comparison {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        @media (max-width: 992px) {
            .header-search {
                display: none;
            }
            .lang-switch,
            .version-tag {
                font-size: 12px;
                padding: 5px 8px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-before-after {
                min-height: auto;
                padding: 3.5rem 0 2.5rem;
            }
            .ba-comparison {
                padding: 1rem;
            }
            .section-pad {
                padding: 2.5rem 0;
            }
            .trust-item {
                padding: 0.5rem 0.25rem;
            }
            .trust-item .trust-num {
                font-size: 22px;
            }
            .trust-item .trust-label {
                font-size: 11.5px;
            }
            .feature-main,
            .feature-side,
            .case-card,
            .price-card,
            .review-card,
            .news-item,
            .download-panel,
            .related-card {
                margin-bottom: 1rem;
            }
            .scenario-img-wrap {
                min-height: 260px;
                margin-top: 1rem;
            }
            .demo-screen .screen-body {
                min-height: 240px;
            }
            .demo-screen .screen-body img {
                min-height: 240px;
            }
            .site-footer {
                padding: 2.5rem 0 1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .hero-actions .btn-gold,
            .hero-actions .btn-outline-gold {
                width: 100%;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14.5px;
            }
            .ba-panel h5 {
                font-size: 15px;
            }
            .feature-main h4 {
                font-size: 18px;
            }
            .price-card .price-tag {
                font-size: 28px;
            }
            .timeline-list {
                padding-left: 1.25rem;
            }
            .timeline-item {
                padding-left: 0.5rem;
            }
            .timeline-item::before {
                left: -1.25rem;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-page: #0e0f12;
            --bg-section: #16181d;
            --bg-card: #1b1e24;
            --bg-elevated: #23262e;
            --line: #2e323a;
            --text-primary: #f2f0ea;
            --text-secondary: #b8b4a8;
            --text-muted: #8a857a;
            --accent: #f2b544;
            --accent-2: #f07c41;
            --accent-3: #7c5cff;
            --success: #3bd68a;
            --danger: #ff5d5d;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 18px 38px rgba(0, 0, 0, 0.35);
            --transition: all 0.22s ease;
            --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: 14px;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .bg-section {
            background-color: var(--bg-section);
        }
        .bg-card {
            background-color: var(--bg-card);
        }
        .text-secondary-c {
            color: var(--text-secondary);
        }
        .text-muted-c {
            color: var(--text-muted);
        }

        .container {
            max-width: 1280px;
        }

        .section-pad {
            padding: 3.5rem 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .card-elevated {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .card-elevated:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-hover);
        }

        .btn-gold {
            background-color: var(--accent);
            color: #111;
            border: none;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-gold:hover {
            background-color: #f6c96a;
            color: #111;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn-outline-gold {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid rgba(242, 181, 68, 0.5);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline-gold:hover {
            background-color: rgba(242, 181, 68, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }

        .badge-gold {
            background-color: rgba(242, 181, 68, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(242, 181, 68, 0.25);
            display: inline-block;
        }

        .badge-dim {
            background-color: rgba(138, 133, 122, 0.15);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(138, 133, 122, 0.2);
            display: inline-block;
        }

        .badge-orange {
            background-color: rgba(240, 124, 65, 0.15);
            color: var(--accent-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(240, 124, 65, 0.25);
        }

        .badge-purple {
            background-color: rgba(124, 92, 255, 0.15);
            color: var(--accent-3);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(124, 92, 255, 0.25);
        }

        .badge-success {
            background-color: rgba(59, 214, 138, 0.15);
            color: var(--success);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(59, 214, 138, 0.25);
        }

        .badge-danger {
            background-color: rgba(255, 93, 93, 0.15);
            color: var(--danger);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(255, 93, 93, 0.25);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: var(--bg-section);
            border-bottom: 1px solid rgba(242, 181, 68, 0.5);
            padding: 0.75rem 0;
        }

        .site-header .navbar {
            padding: 0;
        }

        .site-header .navbar-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .site-header .navbar-brand small {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.15em;
        }

        .site-header .navbar-brand:hover {
            color: var(--accent);
        }

        .site-header .navbar-brand:hover small {
            color: var(--text-primary);
        }

        .header-search {
            width: 280px;
        }

        .header-search .form-control {
            background-color: var(--bg-elevated);
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 8px 36px 8px 16px;
            font-size: 13px;
            transition: var(--transition);
        }

        .header-search .form-control::placeholder {
            color: var(--text-muted);
        }

        .header-search .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.15);
            background-color: var(--bg-card);
        }

        .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 13px;
            pointer-events: none;
        }

        .lang-switch {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 12px;
            border-radius: 6px;
            border: 1px solid transparent;
            transition: var(--transition);
            display: inline-block;
        }

        .lang-switch:hover {
            border-color: rgba(242, 181, 68, 0.5);
            color: var(--accent);
        }

        .version-tag {
            font-size: 12px;
            color: var(--text-muted);
            background-color: var(--bg-elevated);
            padding: 5px 12px;
            border-radius: 20px;
            border: 1px solid var(--line);
            white-space: nowrap;
        }

        .navbar-toggler {
            border: 1px solid var(--line);
            color: var(--text-primary);
            background-color: var(--bg-elevated);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 1.25rem 0 0;
            background-color: var(--bg-page);
        }

        .breadcrumb-custom {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

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

        .breadcrumb-custom li.active {
            color: var(--text-secondary);
        }

        .breadcrumb-custom .sep {
            color: var(--line);
            font-size: 11px;
        }

        /* Category intro compact */
        .category-intro {
            padding: 2rem 0 1.5rem;
            background-color: var(--bg-page);
        }

        .category-intro h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .category-intro .lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 780px;
            margin-bottom: 0;
        }

        .category-intro .meta-info {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 0.75rem;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .category-intro .meta-info i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* Match card list */
        .match-list-section {
            padding: 1.5rem 0 3rem;
        }

        .match-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            padding: 1.25rem 1.5rem;
            margin-bottom: 1rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .match-card:hover {
            border-color: rgba(242, 181, 68, 0.45);
            background-color: var(--bg-elevated);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .match-time {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            min-width: 90px;
        }

        .match-time .date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 2px;
        }

        .match-time .time {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .match-teams {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
            min-width: 220px;
        }

        .team-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
            text-align: right;
        }

        .team-name.away {
            text-align: left;
        }

        .match-score {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            background-color: rgba(242, 181, 68, 0.1);
            padding: 6px 16px;
            border-radius: 8px;
            min-width: 70px;
            text-align: center;
            letter-spacing: 0.05em;
        }

        .match-score.pending {
            color: var(--text-muted);
            background-color: rgba(138, 133, 122, 0.1);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        .match-status {
            min-width: 90px;
            text-align: right;
        }

        .match-league {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .match-card {
                padding: 1rem;
                flex-direction: column;
                align-items: stretch;
            }
            .match-teams {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                text-align: center;
            }
            .team-name {
                text-align: center;
                flex: 1;
                font-size: 15px;
            }
            .team-name.away {
                text-align: center;
            }
            .match-score {
                font-size: 18px;
                min-width: 60px;
                padding: 4px 12px;
            }
            .match-status {
                text-align: center;
                min-width: auto;
            }
            .match-time {
                align-items: center;
                min-width: auto;
            }
        }

        /* Data explain card */
        .data-explain-card {
            background-color: var(--bg-section);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 2rem 2rem;
        }

        .data-explain-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .data-explain-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }

        .data-explain-card .data-point-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
        }

        .data-explain-card .data-point-list li {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--line);
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .data-explain-card .data-point-list li:last-child {
            border-bottom: none;
        }

        .data-explain-card .data-point-list i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
        }

        /* Subscribe CTA strip */
        .subscribe-cta-strip {
            background-color: var(--bg-section);
            border: 1px solid rgba(242, 181, 68, 0.3);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .subscribe-cta-strip .left h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .subscribe-cta-strip .left p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

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

        .subscribe-cta-strip .form-control {
            background-color: var(--bg-elevated);
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 10px 16px;
            font-size: 14px;
            min-width: 240px;
            transition: var(--transition);
        }

        .subscribe-cta-strip .form-control::placeholder {
            color: var(--text-muted);
        }

        .subscribe-cta-strip .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.12);
        }

        @media (max-width: 768px) {
            .subscribe-cta-strip {
                padding: 1.5rem;
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .subscribe-cta-strip .right {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-cta-strip .form-control {
                min-width: 100%;
            }
            .subscribe-cta-strip .btn-gold {
                width: 100%;
            }
        }

        /* FAQ */
        .faq-section {
            padding: 3rem 0 3.5rem;
        }

        .accordion-custom .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.15);
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .accordion-custom .accordion-button::after {
            background-size: 14px;
            filter: invert(1) brightness(0.8);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--bg-elevated);
            color: var(--accent);
            border-bottom: 1px solid rgba(242, 181, 68, 0.2);
        }

        .accordion-custom .accordion-body {
            background-color: var(--bg-card);
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
            padding: 1.25rem 1.5rem;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-section);
            border-top: 1px solid rgba(242, 181, 68, 0.25);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            display: inline-block;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .site-footer h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

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

        .site-footer ul li {
            margin-bottom: 0.6rem;
        }

        .site-footer ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            background-color: var(--bg-elevated);
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 10px 16px;
            font-size: 14px;
            min-width: 200px;
            flex: 1;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.12);
            outline: none;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--line);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--line);
        }

        @media (max-width: 992px) {
            .site-footer {
                padding: 2.5rem 0 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .section-title {
                font-size: 24px;
            }
            .category-intro h1 {
                font-size: 26px;
            }
            .section-pad {
                padding: 2.5rem 0;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form .btn-gold {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --bg-page: #0e0f12;
            --bg-section: #16181d;
            --bg-card: #1b1e24;
            --bg-elevated: #23262e;
            --line: #2e323a;
            --text-primary: #f2f0ea;
            --text-secondary: #b8b4a8;
            --text-muted: #8a857a;
            --accent: #f2b544;
            --accent-2: #f07c41;
            --accent-3: #7c5cff;
            --success: #3bd68a;
            --danger: #ff5d5d;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0,0,0,0.25);
            --shadow-hover: 0 18px 38px rgba(0,0,0,0.35);
            --transition: all 0.22s ease;
            --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); text-decoration: none; }
        button, input { font-family: inherit; font-size: 14px; }
        button:focus-visible, a:focus-visible, input:focus-visible, .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .bg-section { background-color: var(--bg-section); }
        .bg-card { background-color: var(--bg-card); }
        .text-secondary-c { color: var(--text-secondary); }
        .text-muted-c { color: var(--text-muted); }
        .container { max-width: 1280px; }
        .section-pad { padding: 3.5rem 0; }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2.5rem;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .card-elevated {
            background-color: var(--bg-card);
            border: 1px solid rgba(242,181,68,0.18);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .card-elevated:hover {
            transform: translateY(-4px);
            border-color: rgba(242,181,68,0.45);
            box-shadow: var(--shadow-hover);
        }
        .btn-gold {
            background-color: var(--accent);
            color: #111;
            border: none;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }
        .btn-gold:hover {
            background-color: #f6c96a;
            color: #111;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-outline-gold {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid rgba(242,181,68,0.5);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }
        .btn-outline-gold:hover {
            background-color: rgba(242,181,68,0.1);
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }
        .badge-gold {
            background-color: rgba(242,181,68,0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(242,181,68,0.25);
            display: inline-block;
        }
        .badge-dim {
            background-color: rgba(138,133,122,0.15);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(138,133,122,0.2);
            display: inline-block;
        }
        .badge-orange {
            background-color: rgba(240,124,65,0.15);
            color: var(--accent-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(240,124,65,0.25);
        }
        .badge-purple {
            background-color: rgba(124,92,255,0.15);
            color: var(--accent-3);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(124,92,255,0.25);
        }
        .badge-green {
            background-color: rgba(59,214,138,0.15);
            color: var(--success);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(59,214,138,0.25);
            display: inline-block;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: var(--bg-section);
            border-bottom: 1px solid rgba(242,181,68,0.5);
            padding: 0.75rem 0;
        }
        .site-header .navbar-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-header .navbar-brand small {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.1em;
            background: rgba(242,181,68,0.12);
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid rgba(242,181,68,0.25);
        }
        .site-header .navbar-brand:hover { color: var(--accent); }
        .header-search {
            width: 280px;
        }
        .header-search .form-control {
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242,181,68,0.3);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 8px 36px 8px 14px;
            font-size: 13px;
            transition: var(--transition);
        }
        .header-search .form-control::placeholder { color: var(--text-muted); }
        .header-search .form-control:focus {
            border-color: var(--accent);
            background-color: var(--bg-card);
            box-shadow: 0 0 0 3px rgba(242,181,68,0.12);
        }
        .search-icon {
            position: absolute;
            right: 14px;
            top: 10px;
            color: var(--text-muted);
            font-size: 13px;
            pointer-events: none;
        }
        .lang-switch {
            font-size: 12px;
            color: var(--text-secondary);
            padding: 6px 12px;
            border: 1px solid transparent;
            border-radius: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .lang-switch:hover { border-color: var(--accent); color: var(--accent); background: rgba(242,181,68,0.06); }
        .version-tag {
            font-size: 12px;
            color: var(--text-muted);
            padding: 6px 10px;
            background: var(--bg-elevated);
            border-radius: 6px;
            border: 1px solid var(--line);
            white-space: nowrap;
        }
        .navbar-toggler {
            border: 1px solid rgba(242,181,68,0.3);
            color: var(--accent);
            padding: 8px 12px;
            border-radius: 8px;
        }
        .navbar-toggler:focus { box-shadow: none; outline: 2px solid var(--accent); outline-offset: 2px; }
        .navbar-toggler .fa-bars { font-size: 18px; }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 1.25rem 0 0.5rem;
            background-color: var(--bg-page);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-custom li { display: flex; align-items: center; gap: 8px; }
        .breadcrumb-custom a { color: var(--text-secondary); transition: var(--transition); }
        .breadcrumb-custom a:hover { color: var(--accent); }
        .breadcrumb-custom .separator { color: var(--text-muted); font-size: 11px; }
        .breadcrumb-custom .current { color: var(--accent); font-weight: 500; }

        /* Category Hero - compact */
        .category-hero {
            padding: 1.5rem 0 2rem;
            background-color: var(--bg-page);
            border-bottom: 1px solid var(--line);
            min-height: auto;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .category-hero .lead {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 820px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Strategy Guide Cards */
        .guide-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242,181,68,0.18);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(242,181,68,0.45);
            box-shadow: var(--shadow-hover);
        }
        .guide-card .guide-cover {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background-color: var(--bg-elevated);
        }
        .guide-card .guide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .guide-card:hover .guide-cover img { transform: scale(1.04); }
        .guide-card .guide-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .guide-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
        }
        .guide-card .guide-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.45;
            max-width: 100%;
        }
        .guide-card .guide-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            flex: 1;
        }
        .guide-card .read-more {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            align-self: flex-start;
        }
        .guide-card .read-more:hover { color: #f6c96a; gap: 10px; }
        .guide-card .read-more i { font-size: 11px; }

        /* Tags Cloud */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
        .tag-pill {
            padding: 8px 18px;
            border-radius: 25px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--line);
            color: var(--text-secondary);
            background-color: var(--bg-card);
            transition: var(--transition);
            display: inline-block;
        }
        .tag-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(242,181,68,0.08);
            transform: translateY(-2px);
        }
        .tag-pill.hot {
            border-color: rgba(242,181,68,0.45);
            color: var(--accent);
            background: rgba(242,181,68,0.1);
        }

        /* Related Match Cards */
        .match-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242,181,68,0.18);
            border-radius: var(--radius);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .match-card:hover {
            border-color: rgba(242,181,68,0.45);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .match-card .match-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.4rem;
        }
        .match-card .match-league {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .match-card .match-status {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
        }
        .match-card .match-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }
        .match-card .team-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .match-card .match-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(242,181,68,0.1);
            padding: 4px 16px;
            border-radius: 8px;
            border: 1px solid rgba(242,181,68,0.2);
        }
        .match-card .match-time {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background-color: var(--bg-section);
            border: 1px solid rgba(242,181,68,0.25);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
        }
        .subscribe-cta .cta-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }
        .subscribe-cta .cta-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .subscribe-cta .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-form input {
            flex: 1;
            min-width: 220px;
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242,181,68,0.35);
            color: var(--text-primary);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            transition: var(--transition);
        }
        .subscribe-cta .cta-form input::placeholder { color: var(--text-muted); }
        .subscribe-cta .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242,181,68,0.15);
            outline: none;
        }

        /* Info Support Section */
        .info-support {
            background-color: var(--bg-card);
            border: 1px solid rgba(242,181,68,0.15);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            transition: var(--transition);
            height: 100%;
        }
        .info-support:hover {
            border-color: rgba(242,181,68,0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .info-support .support-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(242,181,68,0.12);
            border: 1px solid rgba(242,181,68,0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 1rem;
        }
        .info-support h6 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .info-support p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-section);
            border-top: 1px solid rgba(242,181,68,0.3);
            padding: 3rem 0 0;
            margin-top: 3rem;
        }
        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .site-footer .footer-brand:hover { color: var(--accent); }
        .site-footer .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .site-footer h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li { margin-bottom: 0.65rem; }
        .site-footer ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .site-footer ul li a:hover { color: var(--accent); padding-left: 4px; }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            background-color: var(--bg-elevated);
            border: 1px solid var(--line);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 13px;
            transition: var(--transition);
        }
        .subscribe-form input::placeholder { color: var(--text-muted); }
        .subscribe-form input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(242,181,68,0.12);
        }
        .subscribe-form .btn-gold {
            padding: 10px 20px;
            font-size: 13px;
            border-radius: 8px;
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            margin-top: 2.5rem;
            padding: 1.25rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-secondary); transition: var(--transition); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-bottom .sep { margin: 0 8px; color: var(--text-muted); }

        @media (max-width: 1200px) {
            .header-search { width: 220px; }
            .category-hero h1 { font-size: 28px; }
        }
        @media (max-width: 992px) {
            .site-header .header-search { display: none; }
            .category-hero h1 { font-size: 26px; }
            .section-title { font-size: 24px; }
            .section-pad { padding: 2.5rem 0; }
        }
        @media (max-width: 768px) {
            .category-hero h1 { font-size: 24px; }
            .version-tag { display: none; }
            .subscribe-cta { padding: 1.75rem 1.25rem; }
            .subscribe-cta .cta-form { flex-direction: column; }
            .subscribe-cta .cta-form input { min-width: 100%; }
            .subscribe-cta .cta-form .btn-gold { width: 100%; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section-title { font-size: 22px; }
        }
        @media (max-width: 640px) {
            .category-hero h1 { font-size: 22px; }
            .category-hero .lead { font-size: 14px; }
            .guide-card .guide-title { font-size: 15px; }
            .guide-card .guide-excerpt { font-size: 13px; }
            .match-card .match-teams { flex-direction: column; gap: 6px; }
            .match-card .match-score { font-size: 18px; }
            .tag-pill { font-size: 12px; padding: 6px 14px; }
        }

/* roulang page: category3 */
:root {
      --bg-page: #0e0f12;
      --bg-section: #16181d;
      --bg-card: #1b1e24;
      --bg-elevated: #23262e;
      --line: #2e323a;
      --text-primary: #f2f0ea;
      --text-secondary: #b8b4a8;
      --text-muted: #8a857a;
      --accent: #f2b544;
      --accent-2: #f07c41;
      --accent-3: #7c5cff;
      --success: #3bd68a;
      --danger: #ff5d5d;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
      --shadow-hover: 0 18px 38px rgba(0, 0, 0, 0.35);
      --transition: all 0.22s ease;
      --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      background-color: var(--bg-page);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

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

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

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

    button,
    input {
      font-family: inherit;
      font-size: 14px;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    .accordion-button:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      box-shadow: none;
    }

    .bg-section {
      background-color: var(--bg-section);
    }

    .bg-card {
      background-color: var(--bg-card);
    }

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

    .text-muted-c {
      color: var(--text-muted);
    }

    .container {
      max-width: 1280px;
    }

    .section-pad {
      padding: 3.5rem 0;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
      letter-spacing: 0.02em;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 2rem;
    }

    .section-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .card-elevated {
      background-color: var(--bg-card);
      border: 1px solid rgba(242, 181, 68, 0.18);
      border-radius: var(--radius);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }

    .card-elevated:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 181, 68, 0.45);
      box-shadow: var(--shadow-hover);
    }

    .btn-gold {
      background-color: var(--accent);
      color: #111;
      border: none;
      padding: 12px 28px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
      display: inline-block;
      text-align: center;
      cursor: pointer;
    }

    .btn-gold:hover {
      background-color: #f6c96a;
      color: #111;
      transform: translateY(-2px);
      text-decoration: none;
    }

    .btn-outline-gold {
      background-color: transparent;
      color: var(--accent);
      border: 1px solid rgba(242, 181, 68, 0.5);
      padding: 12px 28px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
      display: inline-block;
      text-align: center;
      cursor: pointer;
    }

    .btn-outline-gold:hover {
      background-color: rgba(242, 181, 68, 0.1);
      border-color: var(--accent);
      color: var(--accent);
      text-decoration: none;
    }

    .badge-gold {
      background-color: rgba(242, 181, 68, 0.15);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid rgba(242, 181, 68, 0.25);
      display: inline-block;
    }

    .badge-dim {
      background-color: rgba(138, 133, 122, 0.15);
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 500;
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid rgba(138, 133, 122, 0.2);
      display: inline-block;
    }

    .badge-orange {
      background-color: rgba(240, 124, 65, 0.15);
      color: var(--accent-2);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid rgba(240, 124, 65, 0.25);
    }

    .badge-purple {
      background-color: rgba(124, 92, 255, 0.15);
      color: var(--accent-3);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid rgba(124, 92, 255, 0.25);
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background-color: var(--bg-section);
      border-bottom: 1px solid rgba(242, 181, 68, 0.5);
      padding: 0.75rem 0;
    }

    .site-header .navbar-brand {
      color: var(--text-primary);
      font-weight: 700;
      font-size: 1.35rem;
      letter-spacing: 0.02em;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .site-header .navbar-brand small {
      color: var(--accent);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.12em;
    }

    .site-header .navbar-brand:hover {
      color: var(--accent);
    }

    .header-search {
      width: 280px;
    }

    .header-search .form-control {
      background-color: var(--bg-elevated);
      border: 1px solid rgba(242, 181, 68, 0.35);
      color: var(--text-primary);
      padding: 9px 36px 9px 14px;
      border-radius: 8px;
      font-size: 13px;
      transition: var(--transition);
    }

    .header-search .form-control::placeholder {
      color: var(--text-muted);
    }

    .header-search .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.15);
      outline: none;
    }

    .header-search .search-icon {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      pointer-events: none;
    }

    .lang-switch,
    .version-tag {
      color: var(--text-secondary);
      font-size: 13px;
      font-weight: 500;
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .lang-switch:hover {
      color: var(--accent);
      border-color: rgba(242, 181, 68, 0.4);
      background-color: rgba(242, 181, 68, 0.08);
    }

    .version-tag {
      color: var(--text-muted);
      border-color: rgba(138, 133, 122, 0.25);
      background-color: rgba(138, 133, 122, 0.08);
    }

    .navbar-toggler {
      border: 1px solid rgba(242, 181, 68, 0.3);
      color: var(--accent);
      background: transparent;
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 18px;
      transition: var(--transition);
    }

    .navbar-toggler:hover {
      border-color: var(--accent);
      background-color: rgba(242, 181, 68, 0.08);
    }

    .navbar-toggler:focus {
      box-shadow: none;
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* Mobile menu */
    .mobile-menu-collapse {
      background-color: var(--bg-section);
      border-top: 1px solid var(--line);
      padding: 1rem 0 1.5rem;
    }

    .mobile-menu-collapse .nav-link {
      color: var(--text-secondary);
      padding: 10px 16px;
      border-left: 3px solid transparent;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition);
    }

    .mobile-menu-collapse .nav-link:hover,
    .mobile-menu-collapse .nav-link.active {
      color: var(--accent);
      background-color: rgba(242, 181, 68, 0.08);
      border-left-color: var(--accent);
    }

    /* Sidebar */
    .sidebar {
      width: 250px;
      flex-shrink: 0;
      position: sticky;
      top: 80px;
      align-self: flex-start;
      max-height: calc(100vh - 100px);
      overflow-y: auto;
      background-color: var(--bg-section);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 1.5rem 1rem;
      margin-right: 2rem;
    }

    .sidebar-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 1.25rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .sidebar-title i {
      color: var(--accent);
    }

    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      border-radius: 8px;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      border-left: 3px solid transparent;
      transition: var(--transition);
    }

    .sidebar-nav a i {
      font-size: 13px;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .sidebar-nav a:hover {
      color: var(--accent);
      background-color: rgba(242, 181, 68, 0.08);
      border-left-color: var(--accent);
    }

    .sidebar-nav a:hover i {
      color: var(--accent);
    }

    .sidebar-nav a.active {
      color: var(--accent);
      background-color: rgba(242, 181, 68, 0.12);
      border-left-color: var(--accent);
      font-weight: 600;
    }

    .sidebar-nav a.active i {
      color: var(--accent);
    }

    /* Main content */
    .content-main {
      flex: 1;
      min-width: 0;
    }

    /* Breadcrumb */
    .breadcrumb-custom {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      padding: 0.5rem 0 1.25rem;
    }

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

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

    .breadcrumb-custom .separator {
      color: var(--line);
    }

    .breadcrumb-custom .current {
      color: var(--accent);
      font-weight: 500;
    }

    /* Category hero (compact) */
    .category-hero {
      background-color: var(--bg-section);
      border: 1px solid rgba(242, 181, 68, 0.15);
      border-radius: var(--radius);
      padding: 2.25rem 2rem;
      margin-bottom: 2.5rem;
      max-height: 420px;
      overflow: hidden;
      position: relative;
    }

    .category-hero h1 {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
      letter-spacing: 0.02em;
    }

    .category-hero .lead {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 820px;
      line-height: 1.8;
    }

    /* Player/team cards */
    .roster-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .player-card {
      background-color: var(--bg-card);
      border: 1px solid rgba(242, 181, 68, 0.16);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .player-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 181, 68, 0.4);
      box-shadow: var(--shadow-hover);
    }

    .player-card .avatar {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      background-color: var(--bg-elevated);
    }

    .player-card .card-body {
      padding: 1.25rem 1.25rem 1.5rem;
      flex: 1;
    }

    .player-card .player-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .player-card .player-role {
      font-size: 13px;
      color: var(--accent);
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .player-card .player-stats {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.8;
    }

    .player-card .stat-row {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid rgba(138, 133, 122, 0.15);
      padding-top: 0.5rem;
      margin-top: 0.5rem;
      font-size: 13px;
    }

    .player-card .stat-row span:first-child {
      color: var(--text-muted);
    }

    .player-card .stat-row span:last-child {
      color: var(--text-primary);
      font-weight: 600;
    }

    /* Hot ranking list */
    .ranking-list {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .ranking-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      background-color: var(--bg-card);
      border: 1px solid rgba(242, 181, 68, 0.12);
      border-radius: 10px;
      padding: 0.9rem 1.25rem;
      transition: var(--transition);
    }

    .ranking-item:hover {
      border-color: rgba(242, 181, 68, 0.35);
      background-color: var(--bg-elevated);
    }

    .ranking-item .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background-color: var(--bg-elevated);
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    .ranking-item.top-1 .rank-num {
      background-color: var(--accent);
      color: #111;
    }

    .ranking-item.top-2 .rank-num {
      background-color: #c0c0c0;
      color: #111;
    }

    .ranking-item.top-3 .rank-num {
      background-color: #cd7f32;
      color: #111;
    }

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

    .ranking-item .rank-name {
      font-weight: 600;
      color: var(--text-primary);
      font-size: 15px;
    }

    .ranking-item .rank-meta {
      font-size: 12px;
      color: var(--text-muted);
    }

    .ranking-item .rank-value {
      font-weight: 700;
      color: var(--accent);
      font-size: 16px;
      white-space: nowrap;
    }

    /* Data note */
    .data-note-card {
      background-color: var(--bg-section);
      border: 1px solid rgba(242, 181, 68, 0.2);
      border-radius: var(--radius);
      padding: 1.75rem 2rem;
      display: flex;
      gap: 1.5rem;
      flex-wrap: wrap;
    }

    .data-note-card .note-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background-color: rgba(242, 181, 68, 0.15);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }

    .data-note-card .note-content {
      flex: 1;
      min-width: 260px;
    }

    .data-note-card .note-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .data-note-card p {
      color: var(--text-secondary);
      margin-bottom: 0;
      font-size: 14px;
      line-height: 1.8;
    }

    /* FAQ */
    .accordion-custom .accordion-item {
      background-color: var(--bg-card);
      border: 1px solid rgba(242, 181, 68, 0.15);
      border-radius: 10px;
      margin-bottom: 0.75rem;
      overflow: hidden;
    }

    .accordion-custom .accordion-button {
      background-color: transparent;
      color: var(--text-primary);
      font-weight: 600;
      font-size: 15px;
      padding: 1rem 1.25rem;
      box-shadow: none;
      border: none;
      transition: var(--transition);
    }

    .accordion-custom .accordion-button:not(.collapsed) {
      background-color: rgba(242, 181, 68, 0.08);
      color: var(--accent);
      border-bottom: 1px solid rgba(242, 181, 68, 0.2);
    }

    .accordion-custom .accordion-button::after {
      filter: brightness(0) invert(1);
      transition: var(--transition);
    }

    .accordion-custom .accordion-button:not(.collapsed)::after {
      filter: brightness(0) invert(0.8);
    }

    .accordion-custom .accordion-body {
      background-color: var(--bg-card);
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.8;
      padding: 1rem 1.25rem;
    }

    /* CTA section */
    .cta-section {
      background-color: var(--bg-section);
      border: 1px solid rgba(242, 181, 68, 0.2);
      border-radius: var(--radius);
      padding: 2.5rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      flex-wrap: wrap;
    }

    .cta-section .cta-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .cta-section .cta-desc {
      color: var(--text-secondary);
      font-size: 14px;
      max-width: 560px;
      line-height: 1.7;
    }

    .cta-section .cta-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    /* Related cards */
    .related-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }

    .related-card {
      background-color: var(--bg-card);
      border: 1px solid rgba(242, 181, 68, 0.15);
      border-radius: var(--radius);
      overflow: hidden;
      transition: var(--transition);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 181, 68, 0.4);
    }

    .related-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .related-card .related-body {
      padding: 1.25rem 1.5rem;
    }

    .related-card .related-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

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

    /* Footer */
    .site-footer {
      background-color: var(--bg-section);
      border-top: 1px solid rgba(242, 181, 68, 0.25);
      padding: 4rem 0 1.5rem;
      margin-top: 3rem;
    }

    .footer-brand {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-primary);
      display: inline-block;
      margin-bottom: 1rem;
    }

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

    .footer-desc {
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }

    .site-footer h6 {
      color: var(--text-primary);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 1rem;
      letter-spacing: 0.04em;
    }

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

    .site-footer ul li {
      margin-bottom: 0.6rem;
    }

    .site-footer ul a {
      color: var(--text-muted);
      font-size: 13px;
      transition: var(--transition);
    }

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

    .subscribe-form {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .subscribe-form input {
      flex: 1;
      min-width: 180px;
      background-color: var(--bg-elevated);
      border: 1px solid rgba(242, 181, 68, 0.3);
      color: var(--text-primary);
      padding: 10px 14px;
      border-radius: 8px;
      font-size: 13px;
      transition: var(--transition);
    }

    .subscribe-form input::placeholder {
      color: var(--text-muted);
    }

    .subscribe-form input:focus {
      border-color: var(--accent);
      outline: none;
      box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.12);
    }

    .subscribe-form .btn-gold {
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 13px;
      white-space: nowrap;
    }

    .footer-bottom {
      margin-top: 3rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      color: var(--text-muted);
      font-size: 13px;
    }

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

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

    .footer-bottom .sep {
      margin: 0 0.5rem;
      color: var(--line);
    }

    /* Responsive */
    @media (max-width: 1199.98px) {
      .roster-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .sidebar {
        width: 220px;
        margin-right: 1.5rem;
      }
    }

    @media (max-width: 991.98px) {
      .sidebar {
        display: none;
      }
      .roster-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .category-hero h1 {
        font-size: 26px;
      }
      .section-title {
        font-size: 24px;
      }
    }

    @media (max-width: 767.98px) {
      .header-search {
        display: none !important;
      }
      .roster-grid {
        grid-template-columns: 1fr;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .category-hero {
        padding: 1.5rem;
        max-height: none;
      }
      .category-hero h1 {
        font-size: 24px;
      }
      .cta-section {
        flex-direction: column;
        align-items: flex-start;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .section-pad {
        padding: 2rem 0;
      }
      .data-note-card {
        padding: 1.25rem;
        flex-direction: column;
      }
    }

    @media (max-width: 575.98px) {
      .category-hero h1 {
        font-size: 22px;
      }
      .btn-gold,
      .btn-outline-gold {
        width: 100%;
        text-align: center;
      }
      .cta-actions {
        width: 100%;
      }
      .cta-actions .btn-gold,
      .cta-actions .btn-outline-gold {
        width: 100%;
      }
    }

/* roulang page: category4 */
:root {
            --bg-page: #0e0f12;
            --bg-section: #16181d;
            --bg-card: #1b1e24;
            --bg-elevated: #23262e;
            --line: #2e323a;
            --text-primary: #f2f0ea;
            --text-secondary: #b8b4a8;
            --text-muted: #8a857a;
            --accent: #f2b544;
            --accent-2: #f07c41;
            --accent-3: #7c5cff;
            --success: #3bd68a;
            --danger: #ff5d5d;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 18px 38px rgba(0, 0, 0, 0.35);
            --transition: all 0.22s ease;
            --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: 14px;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .bg-section {
            background-color: var(--bg-section);
        }

        .bg-card {
            background-color: var(--bg-card);
        }

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

        .text-muted-c {
            color: var(--text-muted);
        }

        .container {
            max-width: 1280px;
        }

        .section-pad {
            padding: 2.5rem 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .card-elevated {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .card-elevated:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-hover);
        }

        .btn-gold {
            background-color: var(--accent);
            color: #111;
            border: none;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-gold:hover {
            background-color: #f6c96a;
            color: #111;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn-outline-gold {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid rgba(242, 181, 68, 0.5);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline-gold:hover {
            background-color: rgba(242, 181, 68, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }

        .badge-gold {
            background-color: rgba(242, 181, 68, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(242, 181, 68, 0.25);
            display: inline-block;
        }

        .badge-dim {
            background-color: rgba(138, 133, 122, 0.15);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(138, 133, 122, 0.2);
            display: inline-block;
        }

        .badge-orange {
            background-color: rgba(240, 124, 65, 0.15);
            color: var(--accent-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(240, 124, 65, 0.25);
        }

        .badge-purple {
            background-color: rgba(124, 92, 255, 0.15);
            color: var(--accent-3);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(124, 92, 255, 0.25);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: var(--bg-section);
            border-bottom: 1px solid rgba(242, 181, 68, 0.5);
            padding: 0.75rem 0;
        }

        .site-header .navbar-brand {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .site-header .navbar-brand small {
            color: var(--accent);
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.08em;
        }

        .site-header .navbar-brand:hover {
            color: var(--accent);
        }

        .header-search {
            flex: 0 0 280px;
        }

        .header-search .form-control {
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 8px 14px 8px 36px;
            font-size: 14px;
            transition: var(--transition);
        }

        .header-search .form-control::placeholder {
            color: var(--text-muted);
        }

        .header-search .form-control:focus {
            background-color: var(--bg-elevated);
            border-color: var(--accent);
            color: var(--text-primary);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.15);
        }

        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 13px;
            pointer-events: none;
        }

        .lang-switch {
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 10px;
            border: 1px solid rgba(242, 181, 68, 0.25);
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .lang-switch:hover {
            color: var(--accent);
            border-color: var(--accent);
            background-color: rgba(242, 181, 68, 0.08);
        }

        .version-tag {
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
            padding: 6px 8px;
            background-color: var(--bg-elevated);
            border-radius: 6px;
            border: 1px solid var(--line);
        }

        .navbar-toggler {
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 6px;
            background-color: var(--bg-elevated);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.2);
        }

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

        .breadcrumb-custom {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .breadcrumb-custom li:not(:last-child)::after {
            content: "/";
            color: var(--text-muted);
            font-size: 12px;
        }

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

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

        .breadcrumb-custom .active {
            color: var(--accent);
            font-weight: 500;
        }

        /* Category Intro */
        .category-intro {
            background-color: var(--bg-page);
            padding: 2rem 0 1.5rem;
            border-bottom: 1px solid var(--line);
        }

        .category-intro h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .category-intro .lead {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 820px;
        }

        /* Version Cards */
        .version-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .version-card:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-hover);
        }

        .version-card .version-number {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .version-card .version-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .version-card .version-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .version-card .read-more-link {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            border-bottom: 1px solid transparent;
            align-self: flex-start;
        }

        .version-card .read-more-link:hover {
            border-bottom-color: var(--accent);
            color: #f6c96a;
        }

        .version-card .version-img {
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: var(--bg-elevated);
        }

        .version-card .version-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        /* Timeline */
        .timeline-wrapper {
            position: relative;
            padding-left: 28px;
        }

        .timeline-wrapper::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent), rgba(242, 181, 68, 0.15));
            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: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid var(--bg-page);
            box-shadow: 0 0 0 2px rgba(242, 181, 68, 0.3);
        }

        .timeline-item .time-text {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
            font-weight: 500;
        }

        .timeline-item .time-title {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .timeline-item .time-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background-color: var(--bg-elevated);
            border: 1px solid var(--line);
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: default;
        }

        .tag-chip:hover {
            border-color: rgba(242, 181, 68, 0.4);
            color: var(--accent);
            background-color: rgba(242, 181, 68, 0.06);
        }

        .tag-chip.hot {
            background-color: rgba(242, 181, 68, 0.12);
            border-color: rgba(242, 181, 68, 0.3);
            color: var(--accent);
        }

        .tag-chip.orange-tag {
            background-color: rgba(240, 124, 65, 0.12);
            border-color: rgba(240, 124, 65, 0.3);
            color: var(--accent-2);
        }

        .tag-chip.purple-tag {
            background-color: rgba(124, 92, 255, 0.12);
            border-color: rgba(124, 92, 255, 0.3);
            color: var(--accent-3);
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background-color: var(--bg-section);
            border: 1px solid rgba(242, 181, 68, 0.2);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            background-color: var(--bg-elevated);
            border: 1px solid rgba(242, 181, 68, 0.3);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 10px 16px;
            font-size: 14px;
            transition: var(--transition);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.15);
            outline: none;
        }

        .subscribe-form .btn-gold {
            white-space: nowrap;
            padding: 10px 22px;
        }

        /* Related Card */
        .related-card {
            background-color: var(--bg-card);
            border: 1px solid rgba(242, 181, 68, 0.18);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(242, 181, 68, 0.45);
            box-shadow: var(--shadow-hover);
        }

        .related-card .related-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .related-card .related-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .related-card .related-link {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-section);
            border-top: 1px solid rgba(242, 181, 68, 0.3);
            padding: 3.5rem 0 1.5rem;
            margin-top: 3rem;
        }

        .site-footer .footer-brand {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.3rem;
            display: inline-block;
            margin-bottom: 12px;
        }

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

        .site-footer h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

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

        .site-footer ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .site-footer .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 18px;
            margin-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        .site-footer .footer-bottom .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        @media (max-width: 991.98px) {
            .header-search {
                display: none !important;
            }

            .lang-switch {
                font-size: 12px;
                padding: 5px 8px;
            }

            .version-tag {
                font-size: 11px;
                padding: 5px 6px;
            }

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

            .section-pad {
                padding: 2rem 0;
            }

            .site-footer {
                padding: 2.5rem 0 1rem;
            }
        }

        @media (max-width: 767.98px) {
            .category-intro h1 {
                font-size: 22px;
            }

            .category-intro .lead {
                font-size: 14px;
            }

            .version-card {
                padding: 16px 18px;
            }

            .version-card .version-number {
                font-size: 17px;
            }

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

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

            .subscribe-form .btn-gold {
                width: 100%;
                text-align: center;
            }

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

        @media (max-width: 520px) {
            .category-intro h1 {
                font-size: 20px;
            }

            .section-title {
                font-size: 22px;
            }

            .version-card .version-desc {
                font-size: 13px;
            }

            .timeline-wrapper {
                padding-left: 22px;
            }

            .timeline-item::before {
                left: -19px;
                width: 8px;
                height: 8px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}