/* roulang page: index */
:root {
            --bg-dark: #0E0E15;
            --bg-light: #F5F6F8;
            --primary: #BFFF2E;
            --primary-hover: #CFFF4D;
            --secondary: #7C5CFF;
            --secondary-dark: #23232E;
            --text-dark: #111116;
            --text-light: #F2F2F7;
            --text-muted-light: #9A9AA5;
            --border-light: #E3E4E8;
            --border-dark: #2E2E3A;
            --accent-red: #FF4D4F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --shadow-light: 0 1px 3px rgba(14, 14, 21, 0.06), 0 8px 24px rgba(14, 14, 21, 0.05);
            --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
            --font-title: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --transition: 0.25s ease;
            --container-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-title);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .section-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-badge.primary-badge {
            background: var(--primary);
            color: var(--text-dark);
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(191, 255, 46, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
        }

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

        .btn-secondary:active {
            transform: translateY(0);
        }

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

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

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .card-dark {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
        }

        .card-dark:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }

        .badge-purple {
            background: var(--secondary);
            color: #fff;
        }

        .badge-primary {
            background: var(--primary);
            color: var(--text-dark);
        }

        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }

        .badge-gray {
            background: #E8E9ED;
            color: #555;
        }

        .badge-dark-gray {
            background: #2E2E3A;
            color: #CCC;
        }

        .image-placeholder {
            background: var(--secondary-dark);
            border-radius: var(--radius-card);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
            font-size: 13px;
            min-height: 180px;
        }

        .image-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .image-placeholder .icon-overlay {
            position: absolute;
            font-size: 32px;
            color: rgba(255, 255, 255, 0.5);
            z-index: 1;
        }

        .divider {
            height: 1px;
            background: var(--border-light);
            margin: 0;
        }

        .divider-dark {
            height: 1px;
            background: var(--border-dark);
            margin: 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
            background: rgba(14, 14, 21, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            transition: all var(--transition);
        }

        .site-header.scrolled .header-brand-row {
            padding: 8px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-light);
            letter-spacing: -0.02em;
            transition: all var(--transition);
        }

        .site-header.scrolled .logo {
            font-size: 18px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .site-header.scrolled .logo-icon {
            width: 30px;
            height: 30px;
            font-size: 15px;
            border-radius: 6px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-login-link {
            color: var(--text-muted-light);
            font-size: 14px;
            font-weight: 500;
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .header-login-link:hover {
            color: var(--primary);
        }

        .header-nav-row {
            border-top: 1px solid var(--border-dark);
            padding: 10px 0;
            transition: all var(--transition);
        }

        .site-header.scrolled .header-nav-row {
            padding: 0;
            border-top: none;
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }

        .site-header.scrolled .header-nav-row .nav-list {
            padding: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 32px;
            transition: all var(--transition);
        }

        .nav-list a {
            color: var(--text-muted-light);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-dark);
            border-top: 1px solid var(--border-dark);
            padding: 16px 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-list {
            flex-direction: column;
            gap: 0;
            align-items: flex-start;
        }

        .mobile-menu .nav-list li {
            width: 100%;
        }

        .mobile-menu .nav-list a {
            display: block;
            padding: 14px 0;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-dark);
            font-size: 15px;
        }

        .mobile-menu .nav-list a:last-child {
            border-bottom: none;
        }

        .mobile-menu .nav-list a.active {
            color: var(--primary);
        }

        /* ========== HERO ========== */
        .hero {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 160px 0 80px;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/5c14c6d571dcccf9.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(14, 14, 21, 0.4) 0%, rgba(14, 14, 21, 0.7) 50%, rgba(14, 14, 21, 0.9) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 44px);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero h1 .highlight {
            color: var(--primary);
        }

        .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: #C5C5D0;
            max-width: 720px;
            margin: 0 auto 36px;
            font-weight: 400;
        }

        .hero-search {
            max-width: 560px;
            margin: 0 auto 40px;
            display: flex;
            align-items: center;
            background: #1E1E28;
            border: 1px solid var(--border-dark);
            border-radius: 50px;
            padding: 4px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .hero-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.2);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            padding: 12px 20px;
            font-size: 15px;
        }

        .hero-search input::placeholder {
            color: #666;
        }

        .hero-search button {
            background: var(--primary);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            border-radius: 50px;
            white-space: nowrap;
            transition: background var(--transition);
        }

        .hero-search button:hover {
            background: var(--primary-hover);
        }

        .hero-categories {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            align-items: center;
        }

        .hero-categories .cat-label {
            font-size: 13px;
            color: var(--text-muted-light);
            margin-right: 4px;
        }

        .hero-cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            color: var(--text-light);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-badge);
            transition: all var(--transition);
        }

        .hero-cat-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(191, 255, 46, 0.08);
            transform: translateY(-2px);
        }

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

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            margin-top: 48px;
        }

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

        .hero-meta-item .number {
            font-family: var(--font-number);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .hero-meta-item .label {
            font-size: 13px;
            color: var(--text-muted-light);
        }

        /* ========== SECTIONS GENERAL ========== */
        .section {
            padding: clamp(48px, 7vw, 80px) 0;
        }

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

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

        .section-dark .section-desc {
            color: #A0A0AC;
        }

        .section-light .section-desc {
            color: #555;
        }

        /* ========== PROBLEM SECTION ========== */
        .problem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .problem-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(124, 92, 255, 0.12);
        }

        .problem-card i {
            font-size: 28px;
            color: var(--secondary);
            margin-bottom: 16px;
            display: block;
        }

        .problem-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .problem-card p {
            font-size: 14px;
            color: #555;
            line-height: 1.7;
        }

        /* ========== STEPS / OPERATION ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            transition: all var(--transition);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .step-num {
            font-family: var(--font-number);
            font-size: 44px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 12px;
            line-height: 1;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-item p {
            font-size: 13px;
            color: #A0A0AC;
            line-height: 1.6;
        }

        /* ========== RESULTS / DATA PREVIEW ========== */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-block {
            text-align: center;
            padding: 32px 20px;
        }

        .data-block .num {
            font-family: var(--font-number);
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1.1;
        }

        .data-block .unit {
            font-size: 16px;
            color: var(--primary);
            font-weight: 600;
        }

        .data-block .lbl {
            font-size: 14px;
            color: #A0A0AC;
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(191, 255, 46, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-dark);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: #999;
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease, padding 0.2s ease;
            padding: 0 20px;
            color: #555;
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 220px;
            padding: 0 20px 18px;
        }

        /* ========== TOP TEAMS / SUCCESS PATH ========== */
        .teams-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .team-card {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .team-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .team-rank {
            position: absolute;
            top: 16px;
            right: 16px;
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }

        .team-rank.rank-2 {
            color: var(--secondary);
        }

        .team-rank.rank-3 {
            color: var(--accent-red);
        }

        .team-logo {
            width: 72px;
            height: 72px;
            margin: 0 auto 16px;
            border-radius: 50%;
            overflow: hidden;
            border: 2px solid var(--border-dark);
        }

        .team-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .team-score {
            font-family: var(--font-number);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 12px;
        }

        .team-bars {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .team-bar-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: #A0A0AC;
        }

        .team-bar-row .bar-label {
            width: 60px;
            text-align: left;
            flex-shrink: 0;
        }

        .team-bar-row .bar-track {
            flex: 1;
            height: 4px;
            background: #1E1E28;
            border-radius: 4px;
            overflow: hidden;
        }

        .team-bar-row .bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        /* ========== MATCH CARDS ========== */
        .matches-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .match-card {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .match-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .match-card .match-img {
            height: 120px;
            position: relative;
        }

        .match-card .match-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .match-card .match-status {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }

        .match-status.live {
            background: var(--accent-red);
            color: #fff;
        }
        .match-status.upcoming {
            background: var(--secondary);
            color: #fff;
        }
        .match-status.finished {
            background: #555;
            color: #DDD;
        }

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

        .match-card .match-teams {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .match-card .match-score {
            font-family: var(--font-number);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }

        .match-card .match-time {
            font-size: 12px;
            color: #A0A0AC;
        }

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

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

        .guide-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(124, 92, 255, 0.12);
        }

        .guide-card .guide-img {
            height: 160px;
            position: relative;
        }

        .guide-card .guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .guide-card .guide-body {
            padding: 18px 20px;
        }

        .guide-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
            line-height: 1.4;
        }

        .guide-card .guide-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #888;
        }

        /* ========== AUDIENCE ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .audience-card {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-left: 4px solid var(--secondary);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all var(--transition);
            color: var(--text-light);
        }

        .audience-card:hover {
            border-left-color: var(--primary);
            transform: translateY(-4px);
            border-color: var(--border-dark);
            border-left-color: var(--primary);
        }

        .audience-card i {
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 12px;
            display: block;
        }

        .audience-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .audience-card p {
            font-size: 13px;
            color: #A0A0AC;
            line-height: 1.6;
        }

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

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .testimonial-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(124, 92, 255, 0.1);
        }

        .testimonial-card .quote {
            font-size: 14px;
            color: #444;
            line-height: 1.7;
            flex: 1;
        }

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

        .testimonial-card .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-card .author-info .role {
            font-size: 12px;
            color: #888;
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition);
        }

        .news-item:hover {
            border-color: var(--secondary);
            transform: translateX(4px);
            box-shadow: 0 4px 20px rgba(124, 92, 255, 0.08);
        }

        .news-date {
            font-family: var(--font-number);
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            min-width: 90px;
            flex-shrink: 0;
            padding-top: 2px;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-dark);
            line-height: 1.4;
        }

        .news-content .news-summary {
            font-size: 14px;
            color: #555;
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .news-content .btn-sm {
            font-size: 12px;
            padding: 6px 14px;
            border-color: var(--border-light);
            color: var(--text-dark);
        }

        .news-content .btn-sm:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .brand-intro .brand-text {
            flex: 1.2;
        }

        .brand-intro .brand-text p {
            font-size: 15px;
            line-height: 1.85;
            color: #555;
            margin-bottom: 16px;
        }

        .brand-intro .brand-img {
            flex: 0.8;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 240px;
            position: relative;
        }

        .brand-intro .brand-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== METRICS BAR ========== */
        .metrics-bars {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
        }

        .metric-row {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .metric-row .metric-label {
            font-size: 14px;
            color: var(--text-light);
            min-width: 120px;
            flex-shrink: 0;
        }

        .metric-row .metric-track {
            flex: 1;
            height: 8px;
            background: #1E1E28;
            border-radius: 8px;
            overflow: hidden;
        }

        .metric-row .metric-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 8px;
            transition: width 0.8s ease;
        }

        .metric-row .metric-value {
            font-family: var(--font-number);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            min-width: 48px;
            text-align: right;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            color: var(--text-light);
            text-align: center;
            padding: clamp(56px, 8vw, 96px) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(191, 255, 46, 0.08) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-section p {
            font-size: 15px;
            color: #A0A0AC;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        /* ========== SUBSCRIBE ========== */
        .subscribe-section {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 56px 0;
            border-top: 1px solid var(--border-dark);
        }

        .subscribe-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .subscribe-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .subscribe-info p {
            font-size: 14px;
            color: #A0A0AC;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex: 1;
            max-width: 480px;
            min-width: 280px;
        }

        .subscribe-form input {
            flex: 1;
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: var(--text-light);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input::placeholder {
            color: #666;
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(191, 255, 46, 0.2);
        }

        .subscribe-form .btn-primary {
            padding: 12px 24px;
            white-space: nowrap;
        }

        .subscribe-note {
            font-size: 12px;
            color: #666;
            margin-top: 12px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0A0F;
            color: #888;
            padding: 48px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

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

        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #CCC;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: #777;
            font-size: 13px;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: #666;
        }

        .footer-bottom a {
            color: #777;
            transition: color var(--transition);
        }

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

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

            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

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

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

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .hero {
                padding: 120px 0 60px;
                min-height: auto;
            }

            .header-brand-row {
                padding: 12px 0;
            }

            .header-nav-row {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.open {
                display: block;
            }

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

            .steps-row {
                grid-template-columns: 1fr;
            }

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

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

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

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

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

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

            .brand-intro {
                flex-direction: column;
                gap: 24px;
            }

            .brand-intro .brand-img {
                min-height: 200px;
                width: 100%;
            }

            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }

            .news-date {
                min-width: auto;
            }

            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .hero-meta {
                gap: 16px;
            }

            .hero-meta-item .number {
                font-size: 24px;
            }

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

        @media (max-width: 520px) {
            .data-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

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

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

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

            .hero-categories {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cat-link {
                justify-content: center;
            }

            .metric-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .metric-row .metric-label {
                min-width: auto;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0E0E15;
            --bg-light: #F5F6F8;
            --primary: #BFFF2E;
            --primary-hover: #CFFF4D;
            --secondary: #7C5CFF;
            --secondary-dark: #23232E;
            --text-dark: #111116;
            --text-light: #F2F2F7;
            --text-muted-light: #9A9AA5;
            --border-light: #E3E4E8;
            --border-dark: #2E2E3A;
            --accent-red: #FF4D4F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --shadow-light: 0 1px 3px rgba(14, 14, 21, 0.06), 0 8px 24px rgba(14, 14, 21, 0.05);
            --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
            --font-title: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --transition: 0.25s ease;
            --container-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-title);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: clamp(48px, 7vw, 80px) 0;
        }

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

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

        .section-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-badge.primary-badge {
            background: var(--primary);
            color: var(--text-dark);
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-title.light {
            color: var(--text-light);
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-desc.dark-mode {
            color: var(--text-muted-light);
        }

        .section-desc.light-mode {
            color: #585860;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(191, 255, 46, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
        }

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

        .btn-secondary:active {
            transform: translateY(0);
        }

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

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

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .card-dark {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
        }

        .card-dark:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }

        .badge-purple {
            background: var(--secondary);
            color: #fff;
        }

        .badge-primary {
            background: var(--primary);
            color: var(--text-dark);
        }

        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }

        .badge-gray {
            background: #E5E6EB;
            color: #585860;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-dark);
            transition: all 0.3s ease;
        }

        .header-top {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-top .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-light);
        }

        .header-top .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--text-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            font-family: var(--font-number);
        }

        .header-top .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-top .header-actions .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted-light);
            background: transparent;
            border: 1px solid transparent;
        }

        .header-top .header-actions .icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .header-nav {
            padding: 10px 0;
        }

        .nav-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-light);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition);
        }

        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(191, 255, 46, 0.06);
        }

        .nav-list li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mobile-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: var(--text-light);
            background: transparent;
            border: 1px solid var(--border-dark);
        }

        .mobile-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(14, 14, 21, 0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .site-header.scrolled .header-top {
            padding: 8px 0;
            border-bottom: none;
        }

        .site-header.scrolled .header-nav {
            padding: 6px 0;
        }

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

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

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

        .breadcrumb .separator {
            color: #555;
        }

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

        /* Page header compact */
        .page-header {
            padding: clamp(100px, 12vw, 140px) 0 clamp(40px, 5vw, 56px);
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(191, 255, 46, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header .container {
            position: relative;
            z-index: 1;
        }

        .page-header h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .page-header .page-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 680px;
        }

        /* Team rank cards */
        .rank-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .rank-card {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .rank-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .rank-card .rank-number {
            font-family: var(--font-number);
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 12px;
        }

        .rank-card .rank-number.rank-1 {
            color: var(--primary);
        }

        .rank-card .rank-number.rank-2 {
            color: var(--secondary);
        }

        .rank-card .rank-number.rank-3 {
            color: var(--accent-red);
        }

        .rank-card .team-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .rank-card .team-tag {
            font-size: 12px;
            color: var(--text-muted-light);
            margin-bottom: 16px;
        }

        .rank-card .score-display {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 16px;
        }

        .rank-card .score-display .score-value {
            font-family: var(--font-number);
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
        }

        .rank-card .score-display .score-unit {
            font-size: 13px;
            color: var(--text-muted-light);
        }

        .rank-card .dimension-bars {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .rank-card .dimension-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted-light);
        }

        .rank-card .dimension-item .dim-label {
            width: 48px;
            flex-shrink: 0;
        }

        .rank-card .dimension-item .dim-bar {
            flex: 1;
            height: 6px;
            background: var(--border-dark);
            border-radius: 3px;
            overflow: hidden;
        }

        .rank-card .dimension-item .dim-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--primary);
            transition: width 0.6s ease;
        }

        .rank-card .dimension-item .dim-bar-fill.fill-purple {
            background: var(--secondary);
        }

        .rank-card .dimension-item .dim-bar-fill.fill-red {
            background: var(--accent-red);
        }

        .rank-card .dimension-item .dim-value {
            width: 28px;
            text-align: right;
            font-family: var(--font-number);
            font-weight: 700;
            color: var(--text-light);
        }

        /* Team list section */
        .team-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .team-list-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .team-list-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(14, 14, 21, 0.08);
        }

        .team-list-card .rank-badge {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-number);
            font-size: 24px;
            font-weight: 900;
            background: var(--bg-dark);
            color: var(--text-light);
            flex-shrink: 0;
        }

        .team-list-card .rank-badge.rank-top {
            background: var(--primary);
            color: var(--text-dark);
        }

        .team-list-card .team-info {
            flex: 1;
            min-width: 0;
        }

        .team-list-card .team-info .team-name {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .team-list-card .team-info .team-meta {
            font-size: 12px;
            color: #777;
            margin-bottom: 10px;
        }

        .team-list-card .team-info .mini-bars {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .team-list-card .team-info .mini-bar {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            color: #666;
        }

        .team-list-card .team-info .mini-bar .mini-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .team-list-card .team-score {
            text-align: right;
            flex-shrink: 0;
        }

        .team-list-card .team-score .score-value {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 900;
            color: var(--text-dark);
        }

        .team-list-card .team-score .score-label {
            font-size: 11px;
            color: #999;
        }

        /* Rating explanation */
        .rating-info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .rating-info-card:hover {
            transform: translateY(-4px);
            border-color: var(--secondary);
        }

        .rating-info-card .info-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(124, 92, 255, 0.12);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .rating-info-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .rating-info-card p {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
        }

        /* Update note */
        .update-note {
            background: #fff;
            border: 1px solid var(--border-light);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            padding: 20px 24px;
        }

        .update-note .update-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .update-note p {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
        }

        /* Related news */
        .related-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .related-news-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(14, 14, 21, 0.08);
        }

        .related-news-card .news-img {
            height: 140px;
            background: var(--secondary-dark);
            position: relative;
            overflow: hidden;
        }

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

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

        .related-news-card .news-body .news-date {
            font-size: 12px;
            color: #999;
            margin-bottom: 6px;
        }

        .related-news-card .news-body .news-title {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .related-news-card .news-body .news-summary {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* CTA section */
        .cta-section {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: clamp(40px, 5vw, 56px) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 100%;
            background: radial-gradient(circle at right, rgba(191, 255, 46, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-inner .cta-text h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 800;
            margin-bottom: 6px;
        }

        .cta-inner .cta-text p {
            font-size: 14px;
            color: var(--text-muted-light);
        }

        /* Footer */
        .site-footer {
            background: #0A0A10;
            color: var(--text-muted-light);
            padding: 48px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

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

        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--text-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            font-family: var(--font-number);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted-light);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-col ul li a i {
            font-size: 10px;
            color: #555;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #666;
        }

        .footer-bottom a {
            color: #999;
        }

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

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

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

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

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

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }

            .header-nav {
                display: none;
            }

            .site-header.mobile-open .header-nav {
                display: block;
                padding: 10px 0;
            }

            .site-header.mobile-open .nav-list {
                flex-direction: column;
                gap: 4px;
            }

            .site-header.mobile-open .nav-list li a {
                width: 100%;
                padding: 10px 14px;
            }

            .header-top {
                padding: 10px 0;
            }

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

            .team-list-grid {
                grid-template-columns: 1fr;
            }

            .rating-info-grid {
                grid-template-columns: 1fr;
            }

            .related-news-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .section {
                padding: 40px 0;
            }

            .page-header {
                padding: 90px 0 36px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .rank-card {
                padding: 18px;
            }

            .rank-card .rank-number {
                font-size: 36px;
            }

            .rank-card .score-display .score-value {
                font-size: 28px;
            }

            .team-list-card {
                flex-direction: column;
                gap: 12px;
            }

            .team-list-card .team-score {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }

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

/* roulang page: category1 */
:root {
            --bg-dark: #0E0E15;
            --bg-light: #F5F6F8;
            --primary: #BFFF2E;
            --primary-hover: #CFFF4D;
            --secondary: #7C5CFF;
            --secondary-dark: #23232E;
            --text-dark: #111116;
            --text-light: #F2F2F7;
            --text-muted-light: #9A9AA5;
            --border-light: #E3E4E8;
            --border-dark: #2E2E3A;
            --accent-red: #FF4D4F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --shadow-light: 0 1px 3px rgba(14, 14, 21, 0.06), 0 8px 24px rgba(14, 14, 21, 0.05);
            --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
            --font-title: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --transition: 0.25s ease;
            --container-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-title);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-badge.primary-badge {
            background: var(--primary);
            color: var(--text-dark);
        }
        .section-title {
            font-size: clamp(26px, 3.2vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(191, 255, 46, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            transition: all var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }
        .card-dark {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
        }
        .card-dark:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }
        .badge-purple {
            background: var(--secondary);
            color: #fff;
        }
        .badge-primary {
            background: var(--primary);
            color: var(--text-dark);
        }
        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }
        .badge-dark {
            background: var(--secondary-dark);
            color: var(--text-light);
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-dark);
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            transition: padding 0.3s ease;
        }
        .site-header.scrolled .brand-row {
            padding: 8px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--text-dark);
            border-radius: 8px;
            font-weight: 900;
            font-size: 18px;
            transition: all var(--transition);
        }
        .logo:hover .logo-icon {
            background: var(--primary-hover);
            transform: rotate(-6deg);
        }
        .logo:hover {
            color: var(--primary);
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-btn,
        .login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted-light);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            transition: all var(--transition);
        }
        .search-btn:hover,
        .login-btn:hover {
            color: var(--primary);
            background: rgba(191, 255, 46, 0.08);
        }
        .channel-row {
            display: flex;
            align-items: center;
            padding-bottom: 10px;
            transition: all 0.3s ease;
        }
        .site-header.scrolled .channel-row {
            padding-bottom: 8px;
        }
        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-light);
            border-radius: 6px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(191, 255, 46, 0.06);
        }
        .nav-list li a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
            border-radius: 6px;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger:hover span {
            background: var(--primary);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            padding: 10px 0 16px;
            background: var(--bg-dark);
            border-top: 1px solid var(--border-dark);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-menu ul li a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted-light);
            border-radius: 6px;
            transition: all var(--transition);
        }
        .mobile-menu ul li a:hover {
            color: var(--primary);
            background: rgba(191, 255, 46, 0.06);
        }
        .mobile-menu ul li a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(191, 255, 46, 0.08);
            border-left: 3px solid var(--primary);
        }

        /* Category Page Header */
        .category-header {
            padding-top: 120px;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-dark);
            position: relative;
            overflow: hidden;
        }
        .category-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-header::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(191, 255, 46, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-header .container {
            position: relative;
            z-index: 1;
            padding-top: 36px;
            padding-bottom: 36px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted-light);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border-dark);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .category-header h1 {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .category-header .cat-desc {
            font-size: 15px;
            color: var(--text-muted-light);
            max-width: 680px;
            line-height: 1.75;
        }

        /* Main Sections */
        main {
            display: block;
        }
        .section {
            padding: clamp(48px, 6vw, 72px) 0;
        }
        .section-light {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-dark .section-title {
            color: var(--text-light);
        }
        .section-dark .section-desc {
            color: var(--text-muted-light);
        }

        /* Focus Card Section */
        .focus-card-section {
            padding: 40px 0 56px;
            background: var(--bg-light);
        }
        .focus-card-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .focus-card-wrapper:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 28px rgba(14, 14, 21, 0.1), 0 20px 60px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }
        .focus-card-image {
            height: 100%;
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }
        .focus-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .focus-card-wrapper:hover .focus-card-image img {
            transform: scale(1.04);
        }
        .focus-card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 14, 21, 0.5) 100%);
        }
        .focus-card-content {
            padding: 32px 32px 32px 8px;
        }
        .focus-card-content .badge {
            margin-bottom: 12px;
        }
        .focus-card-content h2 {
            font-size: clamp(20px, 2.2vw, 26px);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .focus-card-content p {
            font-size: 14px;
            line-height: 1.75;
            color: #666;
            margin-bottom: 20px;
        }
        .focus-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #888;
            margin-bottom: 16px;
        }
        .focus-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .focus-card-meta i {
            color: var(--secondary);
        }

        /* News List Section */
        .news-list-section {
            padding: 48px 0 64px;
            background: var(--bg-light);
        }
        .news-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 36px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition);
            position: relative;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }
        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .news-date {
            font-size: 13px;
            color: #888;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .news-date i {
            color: var(--secondary);
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-dark);
            margin: 0;
        }
        .news-card h3 a {
            color: inherit;
            transition: color var(--transition);
        }
        .news-card h3 a:hover {
            color: var(--secondary);
        }
        .news-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: #666;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .btn-sm {
            align-self: flex-start;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-dark);
        }
        .news-card .btn-sm:hover {
            border-color: var(--primary);
            color: var(--text-dark);
            background: var(--primary);
            transform: translateY(-2px);
        }
        .view-more-wrap {
            text-align: center;
        }
        .view-more-wrap .btn-secondary {
            background: var(--secondary-dark);
            border-color: var(--border-dark);
            color: var(--text-light);
            padding: 12px 36px;
        }
        .view-more-wrap .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Tag Cloud Section */
        .tag-cloud-section {
            padding: 48px 0 64px;
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .tag-cloud-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        .tag-link {
            display: inline-block;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted-light);
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-badge);
            transition: all var(--transition);
        }
        .tag-link:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(191, 255, 46, 0.08);
            transform: translateY(-2px);
        }
        .tag-link.highlight {
            background: var(--primary);
            color: var(--text-dark);
            border-color: var(--primary);
            font-weight: 700;
        }
        .tag-link.highlight:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
        }

        /* Calendar Section */
        .calendar-section {
            padding: 48px 0 64px;
            background: var(--bg-light);
        }
        .calendar-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition);
        }
        .calendar-item:hover {
            transform: translateY(-2px);
            border-color: var(--secondary);
            box-shadow: 0 4px 16px rgba(14, 14, 21, 0.08);
        }
        .calendar-date-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 56px;
            height: 56px;
            background: var(--secondary-dark);
            border-radius: 8px;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .calendar-date-box .month {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            color: var(--text-muted-light);
        }
        .calendar-date-box .day {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-number);
            line-height: 1.2;
        }
        .calendar-info {
            flex: 1;
        }
        .calendar-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .calendar-info p {
            font-size: 13px;
            color: #888;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .calendar-info p i {
            color: var(--secondary);
        }
        .calendar-status {
            flex-shrink: 0;
        }

        /* Related Articles Section */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg-light);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--secondary);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1);
        }
        .related-card-image {
            height: 140px;
            overflow: hidden;
            background: var(--secondary-dark);
        }
        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }
        .related-card-content {
            padding: 16px;
        }
        .related-card-content h4 {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-content h4 a {
            color: inherit;
            transition: color var(--transition);
        }
        .related-card-content h4 a:hover {
            color: var(--secondary);
        }
        .related-card-content .related-meta {
            font-size: 12px;
            color: #999;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-card-content .related-meta i {
            color: var(--secondary);
        }

        /* Subscription CTA */
        .subscribe-section {
            padding: 48px 0 64px;
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .subscribe-box {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-dark);
        }
        .subscribe-info h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .subscribe-info p {
            font-size: 14px;
            color: var(--text-muted-light);
            margin: 0;
            max-width: 420px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            width: 280px;
            padding: 12px 18px;
            background: var(--bg-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            color: var(--text-light);
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted-light);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(191, 255, 46, 0.2);
        }
        .subscribe-form .btn-primary {
            flex-shrink: 0;
        }
        .subscribe-note {
            font-size: 12px;
            color: var(--text-muted-light);
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            font-size: 18px;
            margin-bottom: 12px;
        }
        .footer-brand .logo:hover {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted-light);
            line-height: 1.7;
            max-width: 260px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(3px);
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 12px;
            color: var(--text-muted-light);
        }
        .footer-bottom a {
            color: var(--text-muted-light);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list-grid {
                grid-template-columns: 1fr;
            }
            .calendar-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .brand-actions .search-btn,
            .brand-actions .login-btn {
                display: none;
            }
            .channel-row {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-header {
                padding-top: 80px;
            }
            .category-header .container {
                padding-top: 24px;
                padding-bottom: 24px;
            }
            .focus-card-wrapper {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .focus-card-image {
                min-height: 200px;
            }
            .focus-card-content {
                padding: 24px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 0;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .focus-card-content h2 {
                font-size: 18px;
            }
            .news-card {
                padding: 18px;
            }
            .news-card-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .calendar-status {
                align-self: flex-start;
            }
            .tag-link {
                padding: 6px 14px;
                font-size: 12px;
            }
            .subscribe-box {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-dark: #0E0E15;
            --bg-light: #F5F6F8;
            --primary: #BFFF2E;
            --primary-hover: #CFFF4D;
            --secondary: #7C5CFF;
            --secondary-dark: #23232E;
            --text-dark: #111116;
            --text-light: #F2F2F7;
            --text-muted-light: #9A9AA5;
            --text-muted-dark: #6B6B78;
            --border-light: #E3E4E8;
            --border-dark: #2E2E3A;
            --accent-red: #FF4D4F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --shadow-light: 0 1px 3px rgba(14, 14, 21, 0.06), 0 8px 24px rgba(14, 14, 21, 0.05);
            --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
            --font-title: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --transition: 0.25s ease;
            --container-width: 1200px;
            --header-height: 64px;
        }

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

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
            color: inherit;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-badge.primary-badge {
            background: var(--primary);
            color: var(--text-dark);
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-dark);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-desc.text-light {
            color: var(--text-muted-light);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(191, 255, 46, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
        }

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

        .btn-secondary:active {
            transform: translateY(0);
        }

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

        .btn-outline-light {
            background: transparent;
            color: var(--text-dark);
            border: 1px solid var(--border-light);
        }

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

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

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .card-dark {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
        }

        .card-dark:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }

        .badge-purple {
            background: var(--secondary);
            color: #fff;
        }

        .badge-primary {
            background: var(--primary);
            color: var(--text-dark);
        }

        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }

        .badge-gray {
            background: #E3E4E8;
            color: #555;
        }

        .badge-dark {
            background: var(--secondary-dark);
            color: var(--text-light);
        }

        /* Header & Navigation */
        .site-header {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-dark);
            transition: all 0.3s ease;
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            transition: all 0.3s ease;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--text-dark);
            font-weight: 900;
            font-size: 18px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

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

        .logo:hover .logo-icon {
            background: var(--primary-hover);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-light);
            font-size: 16px;
            background: transparent;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(191, 255, 46, 0.05);
        }

        .header-nav-row {
            display: flex;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
            padding: 10px 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted-light);
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.2px;
            transition: color 0.25s ease;
        }

        .nav-list a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s ease;
            border-radius: 2px;
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary);
        }

        .nav-list a.active::after {
            width: 100%;
        }

        .header-menu-btn {
            display: none;
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            max-width: 85vw;
            background: var(--bg-dark);
            z-index: 200;
            padding: 20px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .mobile-drawer .nav-list {
            flex-direction: column;
            gap: 0;
            align-items: stretch;
        }

        .mobile-drawer .nav-list a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer .nav-list a::after {
            display: none;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Category page header */
        .page-header {
            background: var(--bg-dark);
            padding: 48px 0 56px;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(191, 255, 46, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted-light);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted-light);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: #555;
        }

        .breadcrumb .current {
            color: var(--primary);
        }

        .page-header-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .page-header h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--text-light);
        }

        .page-header-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 650px;
        }

        /* Main sections */
        main {
            display: block;
        }

        .section {
            padding: clamp(48px, 6vw, 72px) 0;
        }

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

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

        .section-white {
            background: #fff;
        }

        /* Difficulty filter */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-dark);
            margin-right: 6px;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: var(--radius-badge);
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-dark);
            cursor: pointer;
            transition: all 0.25s ease;
            letter-spacing: 0.2px;
        }

        .filter-btn:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(124, 92, 255, 0.15);
        }

        .filter-btn.active {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: 0 4px 16px rgba(124, 92, 255, 0.3);
        }

        .filter-btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* Guide cards grid */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .guide-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--secondary-dark);
        }

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

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

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

        .guide-card-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .guide-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-dark);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

        .guide-card:hover .guide-card-title {
            color: var(--secondary);
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted-dark);
            margin-top: auto;
            padding-top: 12px;
        }

        .guide-card-meta i {
            color: var(--secondary);
            font-size: 13px;
        }

        /* Difficulty specific border accents */
        .guide-card[data-difficulty="beginner"]:hover {
            border-color: #4CAF50;
        }

        .guide-card[data-difficulty="intermediate"]:hover {
            border-color: var(--secondary);
        }

        .guide-card[data-difficulty="advanced"]:hover {
            border-color: var(--accent-red);
        }

        .guide-card.hidden {
            display: none;
        }

        /* Hot game topics */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .game-topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 3/4;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid var(--border-dark);
        }

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

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

        .game-topic-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .game-topic-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px 18px 18px;
            background: linear-gradient(to top, rgba(14, 14, 21, 0.92) 20%, transparent);
            color: #fff;
        }

        .game-topic-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .game-topic-count {
            font-size: 12px;
            color: var(--text-muted-light);
        }

        /* Editor picks */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .editor-card {
            display: flex;
            gap: 18px;
            padding: 20px;
            overflow: hidden;
        }

        .editor-card-img {
            flex-shrink: 0;
            width: 140px;
            height: 140px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--secondary-dark);
        }

        .editor-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .editor-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .editor-card-desc {
            font-size: 13px;
            color: var(--text-muted-dark);
            line-height: 1.65;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Submission section */
        .submission-box {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 40px;
            background: var(--secondary-dark);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
            flex-wrap: wrap;
        }

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

        .submission-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .submission-text p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        /* Update list */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-light);
            transition: all 0.25s ease;
            border-radius: 6px;
        }

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

        .update-item:hover {
            background: #f0f1f3;
            padding-left: 24px;
        }

        .update-item-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        .update-item-date {
            flex-shrink: 0;
            font-size: 12px;
            color: var(--text-muted-dark);
            min-width: 72px;
            font-weight: 500;
        }

        .update-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            transition: color 0.2s ease;
            line-height: 1.4;
        }

        .update-item:hover .update-item-title {
            color: var(--secondary);
        }

        .update-item-tag {
            flex-shrink: 0;
            margin-left: auto;
            font-size: 11px;
            color: var(--text-muted-dark);
            background: #f0f1f3;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }

        .update-item:hover .update-item-tag {
            background: var(--secondary);
            color: #fff;
        }

        /* Subscribe CTA */
        .subscribe-box {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 48px 40px;
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(191, 255, 46, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-info {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .subscribe-info h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .subscribe-info p {
            font-size: 14px;
            color: var(--text-muted-light);
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            width: 280px;
            max-width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-dark);
            background: var(--secondary-dark);
            color: var(--text-light);
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .subscribe-form input::placeholder {
            color: #6B6B78;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(191, 255, 46, 0.2);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-muted-light);
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
            border-radius: 6px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted-light);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted-light);
            transition: color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a i {
            font-size: 10px;
            color: #555;
            transition: color 0.2s ease;
        }

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

        .footer-col ul a:hover i {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #6B6B78;
        }

        .footer-bottom a {
            color: #6B6B78;
            transition: color 0.2s ease;
        }

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

        /* Responsive */
        @media (max-width: 1023px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

            .header-brand-row {
                padding: 10px 0;
            }

            .logo {
                font-size: 16px;
                gap: 8px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }

            .header-nav-row {
                display: none;
            }

            .header-menu-btn {
                display: inline-flex;
            }

            .mobile-drawer {
                display: block;
            }

            .page-header {
                padding: 32px 0 40px;
            }

            .page-header h1 {
                font-size: 28px;
            }

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

            .guide-card-img {
                height: 200px;
            }

            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .game-topic-overlay {
                padding: 14px 12px 12px;
            }

            .game-topic-name {
                font-size: 14px;
            }

            .editor-card {
                flex-direction: column;
                padding: 16px;
            }

            .editor-card-img {
                width: 100%;
                height: 180px;
            }

            .submission-box {
                padding: 24px;
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .subscribe-box {
                padding: 32px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
            }

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

            .update-item {
                padding: 12px 8px;
            }

            .update-item:hover {
                padding-left: 12px;
            }

            .update-item-tag {
                display: none;
            }

            .update-item-date {
                min-width: 60px;
                font-size: 11px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .filter-bar {
                gap: 8px;
            }

            .filter-btn {
                padding: 7px 14px;
                font-size: 12px;
            }
        }

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

            .game-topic-card {
                aspect-ratio: 16/9;
            }

            .guide-card-img {
                height: 160px;
            }

            .filter-bar {
                flex-wrap: wrap;
            }

            .filter-label {
                width: 100%;
                margin-bottom: 4px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-dark: #0E0E15;
            --bg-light: #F5F6F8;
            --primary: #BFFF2E;
            --primary-hover: #CFFF4D;
            --secondary: #7C5CFF;
            --secondary-dark: #23232E;
            --text-dark: #111116;
            --text-light: #F2F2F7;
            --text-muted-light: #9A9AA5;
            --border-light: #E3E4E8;
            --border-dark: #2E2E3A;
            --accent-red: #FF4D4F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --shadow-light: 0 1px 3px rgba(14, 14, 21, 0.06), 0 8px 24px rgba(14, 14, 21, 0.05);
            --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
            --font-title: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --transition: 0.25s ease;
            --container-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-title);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-badge.primary-badge {
            background: var(--primary);
            color: var(--text-dark);
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted-light);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-dark);
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(191, 255, 46, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(191, 255, 46, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
        }

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

        .btn-secondary:active {
            transform: translateY(0);
        }

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

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

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .card-dark {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--text-light);
        }

        .card-dark:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }

        .badge-purple {
            background: var(--secondary);
            color: #fff;
        }

        .badge-primary {
            background: var(--primary);
            color: var(--text-dark);
        }

        .badge-red {
            background: var(--accent-red);
            color: #fff;
        }

        .badge-dark {
            background: var(--secondary-dark);
            color: var(--text-light);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            transition: all 0.3s ease;
            border-bottom: 1px solid var(--border-dark);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            transition: all 0.3s ease;
        }

        .header-brand-row .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.02em;
        }

        .header-brand-row .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: var(--text-dark);
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
        }

        .header-brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-brand-actions .search-icon,
        .header-brand-actions .social-icon {
            color: var(--text-muted-light);
            font-size: 16px;
            transition: color var(--transition);
        }

        .header-brand-actions .search-icon:hover,
        .header-brand-actions .social-icon:hover {
            color: var(--primary);
        }

        .header-nav-row {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            padding: 10px 0 14px;
            transition: all 0.3s ease;
            border-top: 1px solid rgba(46, 46, 58, 0.5);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 28px;
            flex-wrap: wrap;
        }

        .nav-list li a {
            color: var(--text-muted-light);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .nav-list li a:hover {
            color: var(--primary);
        }

        .nav-list li a:hover::after {
            width: 100%;
        }

        .nav-list li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list li a.active::after {
            width: 100%;
        }

        .nav-toggle {
            display: none;
            color: var(--text-light);
            font-size: 22px;
            background: transparent;
            border: none;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--secondary-dark);
        }

        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 14, 21, 0.98);
            z-index: 999;
            padding: 80px 28px 40px;
            overflow-y: auto;
        }

        .mobile-nav-drawer.open {
            display: flex;
            flex-direction: column;
        }

        .mobile-nav-drawer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-drawer ul li a {
            display: block;
            padding: 14px 20px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-light);
            border-radius: 8px;
            transition: all var(--transition);
        }

        .mobile-nav-drawer ul li a:hover,
        .mobile-nav-drawer ul li a.active {
            background: var(--secondary-dark);
            color: var(--primary);
        }

        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 24px;
            color: var(--text-light);
            font-size: 28px;
            background: transparent;
            border: none;
            padding: 8px;
        }

        .mobile-nav-close:hover {
            color: var(--primary);
        }

        .site-header.scrolled .header-brand-row {
            padding: 8px 0 6px;
        }

        .site-header.scrolled .header-brand-row .logo {
            font-size: 18px;
            gap: 8px;
        }

        .site-header.scrolled .header-brand-row .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }

        .site-header.scrolled .header-nav-row {
            padding: 6px 0 10px;
        }

        .site-header.scrolled .header-brand-row .search-icon,
        .site-header.scrolled .header-brand-row .social-icon {
            font-size: 14px;
        }

        /* Category Page Header */
        .category-page-header {
            background: var(--bg-dark);
            padding: 150px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .category-page-header::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 50%;
            height: 180%;
            background: radial-gradient(circle at center, rgba(124, 92, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted-light);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .category-breadcrumb a {
            color: var(--text-muted-light);
            transition: color var(--transition);
        }

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

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

        .category-breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .category-page-header h1 {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 900;
            color: var(--text-light);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .category-page-header .category-desc {
            font-size: 16px;
            color: var(--text-muted-light);
            line-height: 1.75;
            max-width: 650px;
            position: relative;
            z-index: 1;
        }

        /* Tutorial List Section */
        .tutorial-list-section {
            padding: 64px 0 72px;
            background: var(--bg-light);
        }

        .tutorial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .tutorial-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 24px 26px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: all var(--transition);
            box-shadow: var(--shadow-light);
        }

        .tutorial-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .tutorial-number {
            font-family: var(--font-number);
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
            min-width: 48px;
            flex-shrink: 0;
            letter-spacing: -0.02em;
        }

        .tutorial-content {
            flex: 1;
            min-width: 0;
        }

        .tutorial-content .tutorial-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .tutorial-content .tutorial-desc {
            font-size: 14px;
            color: #6B6B75;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .tutorial-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .tutorial-meta .read-time {
            font-size: 12px;
            color: var(--text-muted-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .tier-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
        }

        .tier-badge.bronze {
            background: #3D3D4A;
            color: #D8D8E0;
        }

        .tier-badge.silver {
            background: var(--secondary);
            color: #fff;
        }

        .tier-badge.gold {
            background: var(--primary);
            color: var(--text-dark);
        }

        /* Beginner Path Section */
        .beginner-path-section {
            padding: 72px 0;
            background: var(--bg-dark);
        }

        .beginner-path-section .section-title {
            color: var(--text-light);
        }

        .beginner-path-section .section-desc {
            color: var(--text-muted-light);
        }

        .path-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .path-card {
            background: var(--secondary-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            position: relative;
            transition: all var(--transition);
            box-shadow: var(--shadow-dark);
        }

        .path-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .path-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-dark);
            font-weight: 800;
            font-size: 18px;
            font-family: var(--font-number);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .path-card .path-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

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

        /* Tools & Resources Section */
        .tools-section {
            padding: 72px 0;
            background: var(--bg-light);
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 20px rgba(14, 14, 21, 0.1), 0 16px 48px rgba(14, 14, 21, 0.08);
            border-color: var(--secondary);
        }

        .tool-card .tool-img-wrap {
            height: 160px;
            overflow: hidden;
        }

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

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

        .tool-card .tool-body {
            padding: 22px 22px 26px;
        }

        .tool-card .tool-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tool-card .tool-name i {
            color: var(--secondary);
            font-size: 15px;
        }

        .tool-card .tool-desc {
            font-size: 13px;
            color: #6B6B75;
            line-height: 1.7;
        }

        /* Top Tutorials Section */
        .top-tutorials-section {
            padding: 72px 0;
            background: var(--bg-dark);
        }

        .top-tutorials-section .section-title {
            color: var(--text-light);
        }

        .top-tutorials-section .section-desc {
            color: var(--text-muted-light);
        }

        .top-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .top-list li {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-dark);
            transition: all var(--transition);
            border-radius: 6px;
        }

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

        .top-list li:hover {
            background: var(--secondary-dark);
            border-left: 3px solid var(--primary);
        }

        .top-list .rank {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            min-width: 44px;
            text-align: center;
            flex-shrink: 0;
        }

        .top-list .rank.second {
            color: var(--secondary);
        }

        .top-list .rank.third {
            color: #E8A33D;
        }

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

        .top-list .top-info .top-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .top-list .top-info .top-meta {
            font-size: 12px;
            color: var(--text-muted-light);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .top-list .top-link {
            color: var(--text-muted-light);
            font-size: 13px;
            flex-shrink: 0;
            transition: color var(--transition);
            font-weight: 500;
        }

        .top-list .top-link:hover {
            color: var(--primary);
        }

        /* Newsletter CTA */
        .newsletter-cta {
            padding: 64px 0;
            background: var(--bg-light);
        }

        .newsletter-card {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
        }

        .newsletter-card .newsletter-text {
            flex: 1;
            min-width: 260px;
        }

        .newsletter-card .newsletter-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .newsletter-card .newsletter-text p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        .newsletter-form {
            display: flex;
            gap: 12px;
            flex: 1;
            min-width: 280px;
            max-width: 480px;
        }

        .newsletter-form input {
            flex: 1;
            padding: 13px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-dark);
            background: var(--secondary-dark);
            color: var(--text-light);
            font-size: 14px;
            transition: all var(--transition);
        }

        .newsletter-form input::placeholder {
            color: #6B6B75;
        }

        .newsletter-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(191, 255, 46, 0.25);
        }

        .newsletter-form .btn {
            flex-shrink: 0;
            padding: 13px 24px;
        }

        .newsletter-form .privacy-note {
            display: block;
            font-size: 12px;
            color: #6B6B75;
            margin-top: 8px;
            text-align: right;
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 7px;
            background: var(--primary);
            color: var(--text-dark);
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted-light);
            line-height: 1.75;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted-light);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a i {
            font-size: 10px;
            color: var(--secondary);
            transition: color var(--transition);
        }

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 12px;
            color: var(--text-muted-light);
        }

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

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

        /* Responsive */
        @media (max-width: 1023px) {
            .tutorial-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

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

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

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

        @media (max-width: 767px) {
            .container {
                padding: 0 18px;
            }

            .header-brand-row {
                padding: 10px 0 8px;
            }

            .header-brand-row .logo {
                font-size: 18px;
            }

            .header-brand-row .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 7px;
            }

            .header-brand-actions {
                gap: 12px;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-nav-row {
                display: none;
            }

            .category-page-header {
                padding: 110px 0 44px;
            }

            .category-page-header h1 {
                font-size: clamp(26px, 6vw, 34px);
            }

            .tutorial-list-section {
                padding: 44px 0 52px;
            }

            .tutorial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .tutorial-item {
                padding: 18px 18px;
                gap: 14px;
            }

            .tutorial-number {
                font-size: 24px;
                min-width: 36px;
            }

            .tutorial-content .tutorial-title {
                font-size: 15px;
            }

            .tutorial-content .tutorial-desc {
                font-size: 13px;
            }

            .beginner-path-section {
                padding: 48px 0;
            }

            .path-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .path-card {
                padding: 22px 18px;
            }

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

            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .tool-card .tool-img-wrap {
                height: 140px;
            }

            .top-tutorials-section {
                padding: 48px 0;
            }

            .top-list li {
                padding: 12px 14px;
                gap: 14px;
            }

            .top-list .rank {
                font-size: 22px;
                min-width: 34px;
            }

            .top-list .top-info .top-name {
                font-size: 14px;
            }

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

            .newsletter-card {
                padding: 32px 22px;
                flex-direction: column;
                align-items: stretch;
                gap: 20px;
            }

            .newsletter-form {
                flex-direction: column;
                gap: 10px;
            }

            .newsletter-form input {
                width: 100%;
            }

            .newsletter-form .btn {
                width: 100%;
                justify-content: center;
            }

            .newsletter-form .privacy-note {
                text-align: left;
            }

            .site-footer {
                padding: 40px 0 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 28px;
            }

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

        @media (max-width: 520px) {
            .category-page-header {
                padding: 100px 0 36px;
            }

            .category-page-header h1 {
                font-size: 24px;
            }

            .category-page-header .category-desc {
                font-size: 14px;
            }

            .tutorial-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .tutorial-number {
                font-size: 22px;
            }

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

            .path-grid {
                gap: 12px;
            }

            .tools-grid {
                gap: 12px;
            }
        }

/* 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}