/* roulang page: index */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255,255,255,0.06);
            --border-strong: rgba(255,78,30,0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0,0,0,0.35);
            --shadow-glow: 0 0 24px rgba(255,78,30,0.28);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }

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

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Section base */
        .section-block {
            padding: 64px 0;
            position: relative;
        }

        .section-block+.section-block {
            border-top: 1px solid var(--border-dim);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 12px;
            padding: 6px 14px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }

        .section-label .label-icon {
            font-size: 0.8rem;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 36px;
        }

        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .site-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(255, 78, 30, 0.1);
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            cursor: pointer;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .hamburger-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Progress Steps Nav */
        .progress-steps-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-dim);
            padding: 10px 0;
            position: sticky;
            top: var(--header-height);
            z-index: 90;
            transition: all var(--transition-fast);
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--bg-elevated) transparent;
        }

        .progress-steps-inner::-webkit-scrollbar {
            height: 4px;
        }

        .progress-steps-inner::-webkit-scrollbar-track {
            background: transparent;
        }

        .progress-steps-inner::-webkit-scrollbar-thumb {
            background: var(--bg-elevated);
            border-radius: 4px;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-med);
            flex-shrink: 0;
        }

        .progress-step .step-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--text-secondary);
            transition: all var(--transition-med);
        }

        .progress-step:hover {
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
        }

        .progress-step.active {
            color: var(--yellow);
            border-color: rgba(255, 214, 10, 0.4);
            background: rgba(255, 214, 10, 0.06);
        }

        .progress-step.active .step-num {
            background: var(--yellow);
            color: #1A1A00;
        }

        .progress-step .step-arrow {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-left: 4px;
        }

        @media (max-width: 768px) {
            .progress-steps-bar {
                top: var(--header-height);
            }
            .progress-step {
                padding: 6px 12px;
                font-size: 0.78rem;
                gap: 6px;
            }
            .progress-step .step-num {
                width: 20px;
                height: 20px;
                font-size: 0.65rem;
            }
            .progress-step .step-arrow {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            padding: 72px 0 56px;
            background: linear-gradient(180deg, #12151A 0%, var(--bg-deep) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(255, 78, 30, 0.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 75% 85%, rgba(0, 200, 224, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: stretch;
            position: relative;
            z-index: 1;
        }

        .hero-copy {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 18px;
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-main);
        }

        .hero-title .highlight {
            color: var(--primary);
            text-shadow: 0 0 20px rgba(255, 78, 30, 0.4);
        }

        .hero-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 16px;
            padding-top: 18px;
            border-top: 1px solid var(--border-dim);
        }

        .hero-kpi {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-kpi .kpi-value {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--yellow);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .hero-kpi .kpi-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            height: 100%;
            border: 1px solid var(--border-dim);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
            transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
            transition: transform var(--transition-med);
        }

        .hero-visual:hover {
            transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .hero-visual .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(165deg, rgba(15,17,21,0.15) 0%, rgba(15,17,21,0.72) 100%);
            display: flex;
            align-items: flex-end;
            padding: 24px;
            gap: 12px;
        }

        .hero-overlay .score-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(15, 17, 21, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--yellow);
            backdrop-filter: blur(8px);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-size: 0.96rem;
            font-weight: 700;
            font-family: var(--font-body);
            cursor: pointer;
            transition: all var(--transition-med);
            border: none;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 78, 30, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 6px 22px rgba(255, 78, 30, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(255, 78, 30, 0.3);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
            background: rgba(255, 78, 30, 0.06);
            transform: translateY(-2px);
        }

        .btn-cta {
            background: var(--yellow);
            color: #1A1A00;
            box-shadow: 0 4px 16px rgba(255, 214, 10, 0.35);
            font-weight: 800;
        }

        .btn-cta:hover {
            background: #FFE033;
            color: #1A1A00;
            box-shadow: 0 6px 24px rgba(255, 214, 10, 0.5);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        /* Brand Intro */
        .brand-intro-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-dim);
            padding: 36px 40px;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--yellow));
        }

        .brand-intro-card p {
            font-size: 1.04rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

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

        .brand-intro-card .intro-highlight {
            color: var(--yellow);
            font-weight: 700;
        }

        /* Play Matrix */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .matrix-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: opacity var(--transition-med);
        }

        .matrix-card:hover {
            border-color: rgba(255, 78, 30, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            background: var(--bg-card-alt);
        }

        .matrix-card:hover::after {
            opacity: 1;
        }

        .matrix-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: rgba(255, 78, 30, 0.12);
            color: var(--primary);
            border: 1px solid rgba(255, 78, 30, 0.25);
        }

        .matrix-card h3 {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }

        .matrix-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Strategy Path */
        .path-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: path-step;
        }

        .path-step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            position: relative;
            transition: all var(--transition-med);
        }

        .path-step-card:hover {
            border-color: rgba(0, 200, 224, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .path-step-card .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--cyan);
            color: #002A2F;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .path-step-card h3 {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .path-step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Observer Team */
        .analyst-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .analyst-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-med);
        }

        .analyst-card:hover {
            border-color: rgba(0, 200, 224, 0.3);
            background: var(--bg-card-alt);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .analyst-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--cyan), #007A8A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
            border: 2px solid rgba(255, 255, 255, 0.15);
        }

        .analyst-info h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .analyst-info .analyst-role {
            font-size: 0.8rem;
            color: var(--cyan);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .analyst-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Stats Dashboard */
        .stats-dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-tile {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .stat-tile:hover {
            border-color: rgba(255, 214, 10, 0.35);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .stat-tile .stat-value {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--yellow);
            letter-spacing: -0.03em;
            line-height: 1.2;
            font-feature-settings: 'tnum';
        }

        .stat-tile .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            margin-top: 6px;
        }

        .stat-tile .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--green);
            margin-top: 8px;
        }

        /* Achievement */
        .achievement-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .achievement-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            gap: 16px;
            align-items: center;
            transition: all var(--transition-med);
        }

        .achievement-card:hover {
            border-color: rgba(61, 220, 151, 0.35);
            background: var(--bg-card-alt);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .achievement-badge {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(61, 220, 151, 0.12);
            border: 1px solid rgba(61, 220, 151, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--green);
            flex-shrink: 0;
        }

        .achievement-info h3 {
            font-size: 0.96rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .achievement-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Experience Zone */
        .experience-zone {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-alt) 100%);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .experience-zone::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(255, 78, 30, 0.14) 0%, transparent 60%);
            pointer-events: none;
        }

        .experience-copy h3 {
            font-family: var(--font-title);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .experience-copy p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
        }

        .experience-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-dim);
            box-shadow: var(--shadow-card);
            transform: rotate(1.5deg);
            transition: transform var(--transition-med);
        }

        .experience-visual:hover {
            transform: rotate(0deg);
        }

        .experience-visual img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        /* Event Center */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            border-color: rgba(255, 78, 30, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .event-card .event-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .event-card .event-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

        .event-card .event-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .event-card .event-tag {
            font-size: 0.74rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(255, 78, 30, 0.12);
            color: var(--primary);
            border: 1px solid rgba(255, 78, 30, 0.25);
            align-self: flex-start;
        }

        .event-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 6px;
        }

        .event-card .event-meta {
            font-size: 0.83rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 220px 1fr auto;
            gap: 18px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: all var(--transition-med);
        }

        .news-item:hover {
            border-color: rgba(0, 200, 224, 0.3);
            background: var(--bg-card-alt);
            transform: translateX(4px);
        }

        .news-item img {
            width: 180px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .news-item .news-content h3 {
            font-size: 0.96rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .news-item .news-content p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* Community */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .community-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-med);
        }

        .community-card:hover {
            border-color: rgba(255, 214, 10, 0.3);
            background: var(--bg-card-alt);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .community-card .topic-header {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .community-card .topic-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-weight: 700;
            font-size: 0.85rem;
            border: 1px solid var(--border-dim);
        }

        .community-card .topic-title {
            font-size: 0.94rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .community-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .community-card .topic-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }

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

        .partner-logo {
            padding: 16px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            cursor: default;
            filter: grayscale(1) opacity(0.7);
        }

        .partner-logo:hover {
            border-color: rgba(255, 255, 255, 0.18);
            color: var(--text-secondary);
            filter: grayscale(0.4) opacity(1);
        }

        /* Leaderboard */
        .leaderboard-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .leaderboard-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: var(--bg-card-alt);
            border-bottom: 1px solid var(--border-dim);
        }

        .leaderboard-header h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .leaderboard-header .badge-live {
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(61, 220, 151, 0.12);
            color: var(--green);
            border: 1px solid rgba(61, 220, 151, 0.3);
        }

        .leaderboard-list {
            padding: 10px 0;
        }

        .leaderboard-row {
            display: grid;
            grid-template-columns: 60px 1fr auto 80px;
            gap: 16px;
            align-items: center;
            padding: 12px 24px;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .leaderboard-row:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .leaderboard-row.top-1 {
            border-left-color: var(--yellow);
            background: rgba(255, 214, 10, 0.04);
        }

        .leaderboard-row.top-2 {
            border-left-color: #B0B8C4;
            background: rgba(176, 184, 196, 0.03);
        }

        .leaderboard-row.top-3 {
            border-left-color: #C87A3A;
            background: rgba(200, 122, 58, 0.03);
        }

        .leaderboard-row .rank-num {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-secondary);
        }

        .leaderboard-row.top-1 .rank-num {
            color: var(--yellow);
        }
        .leaderboard-row.top-2 .rank-num {
            color: #B0B8C4;
        }
        .leaderboard-row.top-3 .rank-num {
            color: #C87A3A;
        }

        .leaderboard-row .player-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .leaderboard-row .player-avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--cyan);
            font-weight: 700;
        }

        .leaderboard-row .player-name {
            font-size: 0.94rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .leaderboard-row .player-team {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .leaderboard-row .player-score {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--yellow);
            font-feature-settings: 'tnum';
            text-align: right;
        }

        /* Misconception */
        .myth-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .myth-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-med);
        }

        .myth-card:hover {
            border-color: rgba(0, 200, 224, 0.3);
            background: var(--bg-card-alt);
            transform: translateY(-3px);
        }

        .myth-card .myth-icon {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .myth-card h3 {
            font-size: 0.96rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .myth-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-faq {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
        }

        .accordion-item:hover {
            border-color: rgba(0, 200, 224, 0.25);
        }

        .accordion-toggle {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 0.98rem;
            font-weight: 700;
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-body);
            transition: all var(--transition-fast);
        }

        .accordion-toggle:hover {
            color: var(--cyan);
        }

        .accordion-toggle .faq-icon {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition-med);
            flex-shrink: 0;
        }

        .accordion-item.active-faq .faq-icon {
            transform: rotate(180deg);
            color: var(--cyan);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med);
        }

        .accordion-item.active-faq .accordion-content {
            max-height: 300px;
        }

        .accordion-content-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .guarantee-item:hover {
            border-color: rgba(61, 220, 151, 0.3);
            background: var(--bg-card-alt);
        }

        .guarantee-item .guarantee-icon {
            font-size: 1.3rem;
            color: var(--green);
            flex-shrink: 0;
        }

        .guarantee-item span {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        /* CTA Section */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(165deg, var(--bg-card) 0%, var(--bg-deep) 100%);
            border-top: 1px solid var(--border-dim);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(255, 78, 30, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-box {
            background: var(--bg-card-alt);
            border: 1px solid rgba(255, 78, 30, 0.25);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-glow);
        }

        .cta-box h2 {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 1.04rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-dim);
            padding: 44px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: all var(--transition-fast);
        }

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

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            margin-bottom: 0;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-bottom .beian-info {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-visual {
                min-height: 260px;
                transform: none;
            }
            .hero-visual img {
                min-height: 260px;
            }
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .path-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .analyst-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .achievement-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .myth-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .experience-zone {
                grid-template-columns: 1fr;
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
            .hero-section {
                padding: 44px 0 36px;
            }
            .hero-title {
                font-size: 1.95rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-kpi-row {
                gap: 16px;
            }
            .hero-kpi .kpi-value {
                font-size: 1.3rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-dim);
                padding: 16px 20px;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 12px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .hamburger-toggle {
                display: inline-flex;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-item img {
                width: 100%;
                height: 160px;
                object-fit: cover;
            }
            .news-item .news-date {
                white-space: normal;
            }
        }

        @media (max-width: 520px) {
            .container-xl,
            .container-wide {
                padding: 0 16px;
            }
            .section-block {
                padding: 36px 0;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.92rem;
                line-height: 1.7;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-kpi-row {
                gap: 12px;
            }
            .matrix-grid,
            .path-steps,
            .analyst-grid,
            .stats-dashboard-grid,
            .achievement-grid,
            .event-grid,
            .community-grid,
            .myth-grid,
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .leaderboard-row {
                grid-template-columns: 40px 1fr auto;
                gap: 10px;
                padding: 10px 16px;
            }
            .leaderboard-row .rank-num {
                font-size: 1rem;
            }
            .leaderboard-row .player-score {
                font-size: 0.95rem;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .experience-zone {
                padding: 22px 18px;
            }
            .experience-visual img {
                height: 180px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255,255,255,0.06);
            --border-strong: rgba(255,78,30,0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0,0,0,0.35);
            --shadow-glow: 0 0 24px rgba(255,78,30,0.28);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-block {
            padding: 58px 0;
            position: relative;
        }
        .section-block + .section-block {
            border-top: 1px solid var(--border-dim);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 12px;
            padding: 6px 14px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }
        .section-label .label-icon {
            font-size: 0.8rem;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 1.95rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1.04rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 780px;
            margin-bottom: 36px;
        }
        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header */
        .site-header {
            background: rgba(15, 17, 21, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.42rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .site-logo:hover {
            color: var(--primary-hover);
        }
        .site-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(255, 78, 30, 0.18);
            box-shadow: inset 0 0 0 1px rgba(255, 78, 30, 0.4);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dim);
            color: var(--text-main);
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-strong);
        }

        /* Progress Steps */
        .progress-nav {
            background: rgba(15, 17, 21, 0.92);
            border-bottom: 1px solid var(--border-dim);
            padding: 0;
            height: var(--progress-height);
            display: flex;
            align-items: center;
        }
        .progress-steps {
            display: flex;
            align-items: center;
            gap: 0;
            width: 100%;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .progress-steps .step {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 12px;
            position: relative;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .progress-steps .step:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -1px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 22px;
            background: var(--border-dim);
        }
        .progress-steps .step-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--bg-card-alt);
            border: 1px solid var(--border-dim);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .progress-steps .step-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .progress-steps .step:hover .step-num {
            border-color: var(--cyan);
            color: var(--cyan);
        }
        .progress-steps .step:hover .step-label {
            color: var(--text-main);
        }
        .progress-steps .step.active .step-num {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 0 12px rgba(255, 78, 30, 0.4);
        }
        .progress-steps .step.active .step-label {
            color: var(--text-main);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 22px 0 18px;
            background: var(--bg-deep);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-hover);
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 600;
        }

        /* Category Hero */
        .cat-hero {
            padding: 28px 0 40px;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-dim);
        }
        .cat-hero h1 {
            font-family: var(--font-title);
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .cat-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cat-hero .hero-sub strong {
            color: var(--text-main);
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 28px;
            padding: 14px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
        }
        .filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-dim);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }
        .filter-chip.active {
            background: rgba(0, 200, 224, 0.12);
            border-color: var(--cyan);
            color: var(--cyan);
        }

        /* Event Cards Grid */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .event-card .card-img-wrap {
            position: relative;
            padding-top: 56%;
            overflow: hidden;
            background: var(--bg-card-alt);
        }
        .event-card .card-img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .event-card .card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            background: rgba(15, 17, 21, 0.78);
            backdrop-filter: blur(6px);
            color: var(--yellow);
            border: 1px solid rgba(255, 214, 10, 0.3);
        }
        .event-card .card-body {
            padding: 16px 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .event-card .card-title {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.4;
            margin: 0;
        }
        .event-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .event-card .card-meta i {
            font-size: 0.7rem;
            color: var(--cyan);
        }
        .event-card .card-score {
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-dim);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
        }
        .event-card .score-num {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--yellow);
        }
        .event-card .vs-label {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }

        /* Featured Events */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
        }
        .featured-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .featured-card .fc-img {
            position: relative;
            padding-top: 52%;
            overflow: hidden;
        }
        .featured-card .fc-img img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-card .fc-body {
            padding: 18px 20px 20px;
        }
        .featured-card .fc-title {
            font-family: var(--font-title);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .featured-card .fc-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .featured-card .fc-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--cyan);
        }
        .featured-card .fc-link i {
            font-size: 0.75rem;
            margin-left: 4px;
            transition: transform var(--transition-fast);
        }
        .featured-card:hover .fc-link i {
            transform: translateX(3px);
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-cell {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .stat-cell:hover {
            border-color: var(--border-strong);
        }
        .stat-cell .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--yellow);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-cell .stat-num.cyan {
            color: var(--cyan);
        }
        .stat-cell .stat-num.green {
            color: var(--green);
        }
        .stat-cell .stat-num.orange {
            color: var(--primary);
        }
        .stat-cell .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 600;
        }

        /* Schedule Timeline */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .timeline-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .timeline-item:hover {
            border-color: var(--border-strong);
            background: var(--bg-card-alt);
        }
        .timeline-time {
            flex-shrink: 0;
            min-width: 72px;
            text-align: center;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--cyan);
        }
        .timeline-info {
            flex: 1;
        }
        .timeline-info .tl-title {
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.98rem;
            margin-bottom: 2px;
        }
        .timeline-info .tl-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .timeline-status {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.72rem;
            font-weight: 700;
            background: rgba(61, 220, 151, 0.12);
            color: var(--green);
            border: 1px solid rgba(61, 220, 151, 0.3);
            white-space: nowrap;
        }
        .timeline-status.upcoming {
            background: rgba(255, 214, 10, 0.1);
            color: var(--yellow);
            border-color: rgba(255, 214, 10, 0.3);
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, var(--bg-card-alt) 0%, var(--bg-elevated) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 42px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-panel .cta-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-title {
            font-family: var(--font-title);
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .cta-panel .cta-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 500px;
            margin-bottom: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-family: var(--font-body);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 78, 30, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 4px 18px rgba(255, 78, 30, 0.5);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(0, 200, 224, 0.5);
            color: var(--cyan);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
            background: rgba(255, 78, 30, 0.06);
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(0, 200, 224, 0.3);
        }
        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.98rem;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-accordion .accordion-title:hover {
            color: var(--cyan);
        }
        .faq-accordion .accordion-title .faq-icon {
            flex-shrink: 0;
            color: var(--cyan);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }
        .faq-accordion .accordion-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-content {
            display: none;
            padding: 0 18px 18px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-accordion .accordion-item.open .accordion-content {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: #0B0D12;
            border-top: 1px solid var(--border-dim);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }
        .footer-social a:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
            background: rgba(255, 78, 30, 0.08);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .beian-info {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-hover);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .events-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --progress-height: 44px;
            }
            .site-header {
                height: var(--header-height);
            }
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 20px;
                border-bottom: 1px solid var(--border-dim);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 10px 12px;
            }
            .progress-steps .step {
                padding: 0 6px;
                gap: 6px;
            }
            .progress-steps .step-label {
                font-size: 0.7rem;
            }
            .progress-steps .step-num {
                width: 22px;
                height: 22px;
                font-size: 0.7rem;
            }
            .cat-hero h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .section-block {
                padding: 44px 0;
            }
            .cta-panel {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .timeline-item {
                flex-wrap: wrap;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .events-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .progress-steps .step-label {
                display: none;
            }
            .progress-steps .step {
                justify-content: center;
                padding: 0 4px;
            }
            .breadcrumb-bar {
                padding: 14px 0;
            }
            .cat-hero h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 78, 30, 0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(255, 78, 30, 0.28);
            --shadow-cyan: 0 0 20px rgba(0, 200, 224, 0.2);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }

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

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-block {
            padding: 56px 0;
            position: relative;
        }

        .section-block+.section-block {
            border-top: 1px solid var(--border-dim);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 10px;
            padding: 5px 13px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }

        .section-label .label-icon {
            font-size: 0.75rem;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.32;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 32px;
        }

        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header */
        .site-header {
            background: rgba(15, 17, 21, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .site-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: #fff;
            background: rgba(255, 78, 30, 0.18);
            box-shadow: inset 0 0 0 1px var(--border-strong);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 1.1rem;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        /* Progress Steps */
        .progress-nav {
            position: sticky;
            top: var(--header-height);
            z-index: 99;
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-dim);
            padding: 10px 0;
        }

        .progress-steps {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .progress-steps::-webkit-scrollbar {
            display: none;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .progress-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg-elevated);
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 800;
            transition: all var(--transition-fast);
        }

        .progress-step:hover {
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .progress-step.active {
            color: #fff;
            background: rgba(255, 78, 30, 0.2);
            border-color: var(--border-strong);
            box-shadow: 0 0 14px rgba(255, 78, 30, 0.2);
        }

        .progress-step.active .step-num {
            background: var(--primary);
            color: #fff;
        }

        .progress-step.completed .step-num {
            background: var(--green);
            color: #0F1115;
        }

        /* Hero / Title Banner */
        .guide-hero {
            position: relative;
            padding: 52px 0 44px;
            background-image: linear-gradient(135deg, rgba(15, 17, 21, 0.92) 30%, rgba(15, 17, 21, 0.72)),
                url('/assets/images/cae82c43c0977084.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-dim);
        }

        .guide-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.83rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

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

        .guide-hero .hero-title {
            font-family: var(--font-title);
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            color: var(--text-main);
        }

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

        .guide-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 22px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta i {
            color: var(--cyan);
            font-size: 0.85rem;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding: 18px 0;
        }

        .filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .filter-chip:hover {
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .filter-chip.active {
            color: #fff;
            background: rgba(255, 78, 30, 0.22);
            border-color: var(--border-strong);
        }

        .filter-chip .chip-icon {
            font-size: 0.7rem;
        }

        /* Guide Cards */
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 78, 30, 0.35);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5), var(--shadow-glow);
        }

        .guide-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-elevated);
            flex-shrink: 0;
        }

        .guide-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .guide-card .card-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 48%;
            background: linear-gradient(transparent, rgba(15, 17, 21, 0.75));
            pointer-events: none;
        }

        .card-badges {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 8px;
            z-index: 2;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #fff;
            background: rgba(15, 17, 21, 0.82);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .badge-hot {
            background: rgba(255, 78, 30, 0.85);
            border-color: rgba(255, 78, 30, 0.6);
        }

        .badge-new {
            background: rgba(61, 220, 151, 0.85);
            border-color: rgba(61, 220, 151, 0.5);
            color: #0F1115;
        }

        .badge-level {
            background: rgba(0, 200, 224, 0.18);
            border-color: rgba(0, 200, 224, 0.35);
            color: var(--cyan);
        }

        .guide-card .card-body {
            padding: 20px 20px 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .guide-card .card-category {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--cyan);
        }

        .guide-card .card-title {
            font-family: var(--font-title);
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }

        .guide-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border-dim);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .card-meta i {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .card-meta .read-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
        }

        .card-meta .read-link:hover {
            color: var(--primary-hover);
        }

        .guide-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .card-tags .tag {
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dim);
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Trending Sidebar */
        .trending-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-dim);
            transition: all var(--transition-fast);
        }

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

        .trending-item:hover {
            padding-left: 6px;
        }

        .trending-item .rank {
            font-family: var(--font-title);
            font-size: 1.5rem;
            font-weight: 900;
            line-height: 1;
            color: var(--text-muted);
            min-width: 34px;
            transition: color var(--transition-fast);
        }

        .trending-item:nth-child(1) .rank {
            color: var(--yellow);
        }

        .trending-item:nth-child(2) .rank {
            color: var(--cyan);
        }

        .trending-item:nth-child(3) .rank {
            color: var(--primary);
        }

        .trending-item .trend-info {
            flex: 1;
        }

        .trending-item .trend-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .trending-item .trend-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* Stats Row */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .stat-card:hover {
            border-color: rgba(0, 200, 224, 0.25);
            box-shadow: var(--shadow-cyan);
        }

        .stat-card .stat-value {
            font-family: var(--font-title);
            font-size: 2.1rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--yellow);
            letter-spacing: -0.02em;
        }

        .stat-card .stat-value.cyan {
            color: var(--cyan);
        }

        .stat-card .stat-value.green {
            color: var(--green);
        }

        .stat-card .stat-value.orange {
            color: var(--primary);
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Topic Cards */
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            display: block;
            height: 100%;
        }

        .topic-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 78, 30, 0.3);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
        }

        .topic-card .topic-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-elevated);
        }

        .topic-card .topic-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

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

        .topic-card .topic-title {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .topic-card .topic-desc {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 78, 30, 0.1) 0%, rgba(15, 17, 21, 0.95) 55%),
                url('/assets/images/3cea76d19f35866e.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-family: var(--font-title);
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }

        .btn-primary:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-hover) 0%, #E94B1A 100%);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            background: transparent;
            border: 1px solid rgba(0, 200, 224, 0.45);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }

        .btn-secondary:hover {
            color: var(--cyan);
            border-color: var(--cyan);
            background: rgba(0, 200, 224, 0.08);
        }

        /* FAQ Accordion */
        .accordion-item {
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 0.93rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
            font-family: var(--font-body);
        }

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

        .accordion-title .faq-icon {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: all var(--transition-med);
        }

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

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .accordion-item.open .accordion-content {
            max-height: 300px;
        }

        .accordion-content-inner {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.78;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-dim);
            padding: 48px 0 28px;
            margin-top: 0;
        }

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

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            color: #fff;
            border-color: var(--primary);
            background: rgba(255, 78, 30, 0.2);
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.83rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom p {
            margin: 0;
        }

        .beian-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

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

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

        /* Mobile Nav Drawer */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 98;
        }
        .mobile-nav-overlay.active {
            display: block;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--bg-card);
            border-left: 1px solid var(--border-dim);
            z-index: 99;
            padding: 20px;
            transition: right var(--transition-med);
            overflow-y: auto;
        }
        .mobile-nav-panel.active {
            right: 0;
        }

        .mobile-nav-panel .mobile-logo {
            font-family: var(--font-title);
            font-size: 1.2rem;
            font-weight: 900;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .mobile-nav-panel a.mobile-link {
            display: block;
            padding: 12px 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-dim);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a.mobile-link:hover,
        .mobile-nav-panel a.mobile-link.active {
            color: var(--text-main);
            background: rgba(255, 78, 30, 0.1);
        }

        .mobile-nav-close {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 1.3rem;
            cursor: pointer;
            padding: 4px;
            position: absolute;
            top: 16px;
            right: 16px;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .guide-hero .hero-title {
                font-size: 2rem;
            }

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

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

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

            .section-block {
                padding: 40px 0;
            }

            .guide-hero {
                padding: 36px 0 32px;
            }

            .guide-hero .hero-title {
                font-size: 1.6rem;
            }

            .guide-hero .hero-desc {
                font-size: 0.92rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .stat-card .stat-value {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 28px 20px;
            }

            .cta-section .cta-title {
                font-size: 1.35rem;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-chip {
                padding: 5px 12px;
                font-size: 0.78rem;
            }
        }

        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .guide-hero .hero-title {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.25rem;
            }

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

            .hero-meta {
                flex-direction: column;
                gap: 8px;
            }

            .cta-section .cta-title {
                font-size: 1.2rem;
            }

            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 0.83rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 78, 30, 0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(255, 78, 30, 0.28);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Section base */
        .section-block {
            padding: 56px 0;
            position: relative;
        }

        .section-block+.section-block {
            border-top: 1px solid var(--border-dim);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 12px;
            padding: 5px 14px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }

        .section-label .label-icon {
            font-size: 0.75rem;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 1.85rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 32px;
        }

        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(15, 17, 21, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 10px 0;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

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

        .site-logo .logo-mark {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(255, 78, 30, 0.1);
            box-shadow: inset 0 0 0 1px rgba(255, 78, 30, 0.25);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 1.3rem;
            width: 42px;
            height: 42px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

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

        .nav-toggle[aria-expanded="true"] {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 78, 30, 0.08);
        }

        /* Progress Steps */
        .progress-steps {
            background: rgba(22, 24, 30, 0.7);
            border-bottom: 1px solid var(--border-dim);
            min-height: var(--progress-height);
            display: flex;
            align-items: center;
        }

        .progress-steps .steps-row {
            display: flex;
            align-items: center;
            gap: 4px;
            width: 100%;
            flex-wrap: wrap;
            justify-content: center;
            padding: 8px 0;
        }

        .progress-step {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .progress-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            font-weight: 800;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .progress-step:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .progress-step:hover .step-num {
            background: rgba(255, 78, 30, 0.2);
            color: var(--primary);
        }

        .progress-step.active {
            color: var(--yellow);
            border-color: rgba(255, 214, 10, 0.25);
            background: rgba(255, 214, 10, 0.07);
        }

        .progress-step.active .step-num {
            background: var(--yellow);
            color: #0F1115;
        }

        .progress-step .step-arrow {
            color: var(--text-muted);
            font-size: 0.6rem;
            margin-left: 4px;
            opacity: 0.6;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 14px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb-bar .current {
            color: var(--text-main);
            font-weight: 600;
        }

        /* Category H1 Header */
        .cat-hero {
            padding: 44px 0 32px;
            position: relative;
            background: linear-gradient(135deg, rgba(22, 24, 30, 0.92) 0%, rgba(15, 17, 21, 0.8) 60%, rgba(22, 24, 30, 0.85) 100%);
            border-bottom: 1px solid var(--border-dim);
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 200, 224, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cat-hero h1 {
            font-family: var(--font-title);
            font-size: 2.3rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            position: relative;
            display: inline-block;
        }

        .cat-hero h1::after {
            content: '';
            display: block;
            width: 60%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--yellow) 70%, transparent 100%);
            border-radius: 2px;
            margin-top: 10px;
        }

        .cat-hero .cat-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 780px;
            margin-top: 4px;
        }

        .cat-hero .cat-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        .cat-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 22px;
        }

        .cat-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }

        .cat-stat-item .stat-num {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--yellow);
            font-family: 'Inter', var(--font-title);
            letter-spacing: -0.01em;
        }

        .cat-stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding: 14px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .filter-group .filter-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 13px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-dim);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--text-muted);
            color: var(--text-main);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.3);
        }

        .filter-search {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-search input {
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            padding: 7px 14px;
            color: var(--text-main);
            font-size: 0.85rem;
            font-family: var(--font-body);
            min-width: 160px;
            transition: border-color var(--transition-fast);
        }

        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        .filter-search input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 78, 30, 0.12);
        }

        .filter-search .search-btn {
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            width: 36px;
            height: 36px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .filter-search .search-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .player-card-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            box-shadow: var(--shadow-card);
            position: relative;
            cursor: pointer;
        }

        .player-card-item:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), var(--shadow-glow);
        }

        .player-card-item .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--bg-card-alt);
        }

        .player-card-item .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

        .player-card-item .card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 17, 21, 0.8) 100%);
            pointer-events: none;
        }

        .player-card-item .rarity-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            z-index: 3;
            pointer-events: none;
        }

        .rarity-badge.rarity-common {
            background: rgba(155, 161, 174, 0.85);
            color: #0F1115;
        }

        .rarity-badge.rarity-rare {
            background: rgba(0, 200, 224, 0.85);
            color: #0F1115;
        }

        .rarity-badge.rarity-epic {
            background: rgba(61, 220, 151, 0.85);
            color: #0F1115;
        }

        .rarity-badge.rarity-legendary {
            background: rgba(255, 214, 10, 0.9);
            color: #0F1115;
        }

        .rarity-badge.rarity-limited {
            background: rgba(255, 78, 30, 0.9);
            color: #fff;
        }

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

        .player-card-item .card-name {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 4px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        .player-card-item .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

        .player-card-item .card-stats {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .player-card-item .mini-stat {
            flex: 1;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            padding: 7px 8px;
            text-align: center;
        }

        .player-card-item .mini-stat .ms-val {
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--cyan);
            font-family: 'Inter', var(--font-title);
        }

        .player-card-item .mini-stat .ms-label {
            font-size: 0.68rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

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

        .player-card-item .collect-count {
            font-size: 0.76rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .player-card-item .collect-count i {
            color: var(--green);
            font-size: 0.7rem;
        }

        .player-card-item .collect-btn {
            background: transparent;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: var(--font-body);
        }

        .player-card-item .collect-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 78, 30, 0.06);
        }

        .player-card-item .collect-btn.collected {
            border-color: var(--green);
            color: var(--green);
            background: rgba(61, 220, 151, 0.08);
        }

        /* Rarity section */
        .rarity-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .rarity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .rarity-card:hover {
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }

        .rarity-card .rarity-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
        }

        .rarity-card .rarity-name {
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .rarity-card .rarity-count {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .rarity-card .rarity-desc {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* Stats dashboard */
        .stats-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-tile {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-fast);
        }

        .stat-tile:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }

        .stat-tile .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .stat-tile .stat-icon.orange {
            background: rgba(255, 78, 30, 0.12);
            color: var(--primary);
        }

        .stat-tile .stat-icon.cyan {
            background: rgba(0, 200, 224, 0.12);
            color: var(--cyan);
        }

        .stat-tile .stat-icon.yellow {
            background: rgba(255, 214, 10, 0.12);
            color: var(--yellow);
        }

        .stat-tile .stat-icon.green {
            background: rgba(61, 220, 151, 0.12);
            color: var(--green);
        }

        .stat-tile .stat-info .stat-val {
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--text-main);
            font-family: 'Inter', var(--font-title);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-tile .stat-info .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* Hot cards */
        .hot-card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-card-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .hot-card-item:hover {
            border-color: var(--border-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .hot-card-item .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.95rem;
            flex-shrink: 0;
            font-family: 'Inter', var(--font-title);
        }

        .hot-card-item .hot-rank.rank-1 {
            background: var(--yellow);
            color: #0F1115;
        }

        .hot-card-item .hot-rank.rank-2 {
            background: rgba(255, 255, 255, 0.9);
            color: #0F1115;
        }

        .hot-card-item .hot-rank.rank-3 {
            background: rgba(255, 78, 30, 0.85);
            color: #fff;
        }

        .hot-card-item .hot-img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-card-alt);
        }

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

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

        .hot-card-item .hot-name {
            font-weight: 800;
            font-size: 0.92rem;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-card-item .hot-meta {
            font-size: 0.74rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-card-item .hot-heat {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Guides */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .guide-card-item:hover {
            border-color: var(--border-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .guide-card-item .guide-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg-card-alt);
        }

        .guide-card-item .guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

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

        .guide-card-item .guide-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--cyan);
            background: rgba(0, 200, 224, 0.08);
            border: 1px solid rgba(0, 200, 224, 0.2);
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
        }

        .guide-card-item .guide-title {
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 6px;
        }

        .guide-card-item .guide-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card-item .guide-date {
            font-size: 0.74rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, rgba(255, 78, 30, 0.15) 0%, rgba(22, 24, 30, 0.95) 50%, rgba(0, 200, 224, 0.08) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.15) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-panel .cta-title {
            font-family: var(--font-title);
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .cta-panel .cta-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-size: 0.95rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 78, 30, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 78, 30, 0.5);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 78, 30, 0.3);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(0, 200, 224, 0.4);
            color: var(--cyan);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 78, 30, 0.04);
        }

        .btn-yellow {
            background: var(--yellow);
            color: #0F1115;
            box-shadow: 0 4px 14px rgba(255, 214, 10, 0.3);
        }

        .btn-yellow:hover {
            background: #ffe44a;
            color: #0F1115;
            box-shadow: 0 6px 20px rgba(255, 214, 10, 0.45);
            transform: translateY(-1px);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }

        .faq-item:focus-within {
            border-color: var(--border-strong);
        }

        .faq-item .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-main);
            font-family: var(--font-body);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding 0.3s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item .faq-answer p {
            margin: 0;
            padding-bottom: 16px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: rgba(255, 78, 30, 0.15);
            color: var(--primary);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* Footer */
        .site-footer {
            background: #0D0F13;
            border-top: 1px solid var(--border-dim);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 300px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 10px;
        }

        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .site-footer .footer-social a:hover {
            background: rgba(255, 78, 30, 0.12);
            border-color: var(--primary);
            color: var(--primary);
        }

        .site-footer .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .site-footer .footer-bottom p {
            margin: 0;
        }

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

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

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

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

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

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

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

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

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

            .site-footer .footer-brand {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                min-height: auto;
                height: auto;
            }

            .site-header .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-top: 8px;
                border-top: 1px solid var(--border-dim);
                order: 3;
            }

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

            .main-nav a {
                padding: 10px 14px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .progress-steps .steps-row {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
                scrollbar-color: var(--border-dim) transparent;
            }

            .progress-step {
                flex-shrink: 0;
                padding: 5px 11px;
                font-size: 0.72rem;
            }

            .progress-step .step-arrow {
                display: none;
            }

            .cat-hero {
                padding: 30px 0 24px;
            }

            .cat-hero h1 {
                font-size: 1.7rem;
            }

            .cat-hero .cat-desc {
                font-size: 0.95rem;
            }

            .cat-stats-row {
                gap: 16px;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .rarity-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

            .hot-card-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

            .filter-search input {
                min-width: 120px;
            }

            .section-block {
                padding: 40px 0;
            }

            .cta-panel {
                padding: 28px 20px;
            }

            .cta-panel .cta-title {
                font-size: 1.3rem;
            }

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

            .site-footer .footer-brand {
                grid-column: span 2;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .rarity-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

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

            .cat-hero h1 {
                font-size: 1.45rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }

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

            .filter-search input {
                flex: 1;
                min-width: auto;
                width: 100%;
            }

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

            .site-footer .footer-brand {
                grid-column: span 1;
            }

            .player-card-item .card-stats {
                flex-direction: column;
                gap: 6px;
            }

            .cta-panel .cta-title {
                font-size: 1.15rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 78, 30, 0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(255, 78, 30, 0.28);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-block {
            padding: 64px 0;
            position: relative;
        }
        .section-block+.section-block {
            border-top: 1px solid var(--border-dim);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 12px;
            padding: 6px 14px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }
        .section-label .label-icon {
            font-size: 0.8rem;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 36px;
        }
        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .site-logo:hover {
            color: var(--primary-hover);
        }
        .site-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--text-main);
            background: rgba(255, 78, 30, 0.14);
            border: 1px solid rgba(255, 78, 30, 0.3);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dim);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Progress Steps */
        .progress-steps {
            background: rgba(22, 24, 30, 0.92);
            border-bottom: 1px solid var(--border-dim);
            padding: 12px 0;
            position: relative;
            z-index: 99;
        }
        .progress-steps .steps-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .progress-steps .steps-row::-webkit-scrollbar {
            display: none;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px 6px 7px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dim);
            border-radius: 24px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .progress-step .step-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.72rem;
            font-weight: 800;
            font-family: var(--font-title);
            transition: all var(--transition-fast);
        }
        .progress-step.active {
            background: rgba(255, 78, 30, 0.12);
            border-color: rgba(255, 78, 30, 0.45);
            color: var(--text-main);
        }
        .progress-step.active .step-num {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .progress-step:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 18px 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary-hover);
        }
        .breadcrumb-bar .sep {
            margin: 0 6px;
            color: var(--text-muted);
        }

        /* Page Intro */
        .page-intro {
            padding: 40px 0 20px;
        }
        .page-intro h1 {
            font-family: var(--font-title);
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .page-intro .intro-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--green);
            background: rgba(61, 220, 151, 0.08);
            border: 1px solid rgba(61, 220, 151, 0.25);
            border-radius: 16px;
            padding: 4px 12px;
            margin-bottom: 14px;
        }

        /* Ranking Table */
        .ranking-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .ranking-table-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-dim);
            background: var(--bg-card-alt);
            flex-wrap: wrap;
            gap: 10px;
        }
        .ranking-filter {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ranking-filter .filter-btn {
            padding: 6px 14px;
            border-radius: 16px;
            background: transparent;
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .ranking-filter .filter-btn.active {
            background: rgba(255, 78, 30, 0.14);
            border-color: rgba(255, 78, 30, 0.45);
            color: var(--text-main);
        }
        .ranking-filter .filter-btn:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }
        .ranking-table-head .update-info {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .ranking-table-head .update-info i {
            color: var(--green);
        }
        .ranking-row {
            display: flex;
            align-items: center;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-dim);
            transition: background var(--transition-fast);
            gap: 12px;
            flex-wrap: wrap;
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .ranking-row:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .ranking-row.top1 {
            background: rgba(255, 214, 10, 0.05);
            border-left: 3px solid var(--yellow);
        }
        .ranking-row.top2 {
            border-left: 3px solid #C0C0C0;
        }
        .ranking-row.top3 {
            border-left: 3px solid #CD7F32;
        }
        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 0.95rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .top1 .rank-num {
            background: var(--yellow);
            border-color: var(--yellow);
            color: #0F1115;
        }
        .top2 .rank-num {
            background: #C0C0C0;
            border-color: #C0C0C0;
            color: #0F1115;
        }
        .top3 .rank-num {
            background: #CD7F32;
            border-color: #CD7F32;
            color: #0F1115;
        }
        .rank-team-logo {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .rank-team-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-team-info {
            min-width: 120px;
            flex-shrink: 0;
        }
        .rank-team-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-main);
            line-height: 1.3;
        }
        .rank-team-tag {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .rank-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-end;
            align-items: center;
        }
        .rank-stat-item {
            text-align: center;
            min-width: 60px;
        }
        .rank-stat-value {
            font-family: var(--font-title);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-main);
            line-height: 1.3;
        }
        .rank-stat-value.highlight {
            color: var(--yellow);
        }
        .rank-stat-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .rank-streak {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(61, 220, 151, 0.1);
            border: 1px solid rgba(61, 220, 151, 0.3);
            color: var(--green);
            white-space: nowrap;
        }
        .rank-streak.cool {
            background: rgba(255, 78, 30, 0.1);
            border-color: rgba(255, 78, 30, 0.3);
            color: var(--primary);
        }

        /* Stats Overview */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-med);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.2rem;
            background: rgba(255, 78, 30, 0.12);
            border: 1px solid rgba(255, 78, 30, 0.3);
            color: var(--primary);
        }
        .stat-card .stat-icon.cyan {
            background: rgba(0, 200, 224, 0.1);
            border-color: rgba(0, 200, 224, 0.25);
            color: var(--cyan);
        }
        .stat-card .stat-icon.yellow {
            background: rgba(255, 214, 10, 0.1);
            border-color: rgba(255, 214, 10, 0.25);
            color: var(--yellow);
        }
        .stat-card .stat-icon.green {
            background: rgba(61, 220, 151, 0.1);
            border-color: rgba(61, 220, 151, 0.25);
            color: var(--green);
        }
        .stat-card .stat-number {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-number.glow {
            color: var(--yellow);
            text-shadow: 0 0 20px rgba(255, 214, 10, 0.3);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Match Cards */
        .match-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
        }
        .match-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: 0 8px 24px rgba(255, 78, 30, 0.2);
        }
        .match-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .match-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .match-card-img::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(15, 17, 21, 0.85), transparent);
        }
        .match-card-body {
            padding: 16px 18px 18px;
        }
        .match-card-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .match-card-score {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--yellow);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .match-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Rules List */
        .rules-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }
        .rules-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            transition: border-color var(--transition-fast);
        }
        .rules-list li:hover {
            border-color: rgba(0, 200, 224, 0.3);
        }
        .rules-list .rule-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 200, 224, 0.1);
            border: 1px solid rgba(0, 200, 224, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 0.8rem;
            flex-shrink: 0;
            margin-top: 3px;
        }
        .rules-list .rule-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .rules-list .rule-text strong {
            color: var(--text-main);
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, rgba(255, 78, 30, 0.15) 0%, rgba(15, 17, 21, 0.9) 60%);
            border: 1px solid rgba(255, 78, 30, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 78, 30, 0.1);
            pointer-events: none;
        }
        .cta-block .cta-title {
            font-family: var(--font-title);
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .cta-block .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 78, 30, 0.4);
        }
        .btn-main:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 18px rgba(255, 78, 30, 0.55);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid rgba(0, 200, 224, 0.4);
            color: var(--cyan);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
        }
        .btn-cta-yellow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            background: var(--yellow);
            color: #0F1115;
            font-size: 0.95rem;
            font-weight: 800;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 214, 10, 0.3);
        }
        .btn-cta-yellow:hover {
            background: #FFE44D;
            box-shadow: 0 4px 18px rgba(255, 214, 10, 0.45);
            color: #0F1115;
        }

        /* FAQ */
        .faq-list .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-list .accordion-item:hover {
            border-color: rgba(0, 200, 224, 0.25);
        }
        .faq-list .accordion-title {
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-list .accordion-title:hover {
            color: var(--cyan);
        }
        .faq-list .accordion-title .faq-icon {
            font-size: 0.8rem;
            color: var(--primary);
            transition: transform var(--transition-med);
            flex-shrink: 0;
        }
        .faq-list .accordion-item.open .accordion-title .faq-icon {
            transform: rotate(180deg);
        }
        .faq-list .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med);
        }
        .faq-list .accordion-item.open .accordion-content {
            max-height: 500px;
        }
        .faq-list .accordion-content-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-card-alt);
            border-top: 1px solid var(--border-dim);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .footer-social {
            display: flex;
            gap: 8px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dim);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            background: rgba(255, 78, 30, 0.15);
            border-color: rgba(255, 78, 30, 0.4);
            color: var(--primary);
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .beian-info {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .page-intro h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.98);
                border-bottom: 1px solid var(--border-dim);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-med);
                z-index: 99;
            }
            .main-nav.open {
                max-height: 400px;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .rank-stats {
                flex: 1;
                gap: 12px;
                justify-content: flex-start;
            }
            .rank-stat-item {
                min-width: 50px;
            }
            .match-card-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block .cta-title {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .page-intro h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .ranking-row {
                padding: 12px 14px;
                gap: 8px;
            }
            .rank-team-logo {
                width: 36px;
                height: 36px;
            }
            .rank-team-info {
                min-width: 90px;
            }
            .rank-stats {
                gap: 8px;
            }
            .rank-stat-value {
                font-size: 0.9rem;
            }
            .progress-step {
                font-size: 0.75rem;
                padding: 4px 10px 4px 5px;
            }
            .progress-step .step-num {
                width: 22px;
                height: 22px;
                font-size: 0.65rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0F1115;
            --bg-card: #16181E;
            --bg-card-alt: #1A1D26;
            --bg-elevated: #1F222C;
            --primary: #FF4E1E;
            --primary-hover: #FF6B3D;
            --cyan: #00C8E0;
            --yellow: #FFD60A;
            --green: #3DDC97;
            --text-main: #F5F6F8;
            --text-secondary: #9BA1AE;
            --text-muted: #6D7280;
            --border-dim: rgba(255,255,255,0.06);
            --border-strong: rgba(255,78,30,0.45);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 4px 16px rgba(0,0,0,0.35);
            --shadow-glow: 0 0 24px rgba(255,78,30,0.28);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --header-height: 68px;
            --progress-height: 52px;
        }

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        .container-xl {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-block {
            padding: 56px 0;
            position: relative;
        }

        .section-block+.section-block {
            border-top: 1px solid var(--border-dim);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--yellow);
            margin-bottom: 12px;
            padding: 6px 14px;
            background: rgba(255, 214, 10, 0.08);
            border: 1px solid rgba(255, 214, 10, 0.25);
            border-radius: 20px;
        }

        .section-label .label-icon {
            font-size: 0.8rem;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 1.85rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 32px;
        }

        .section-desc strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            height: auto;
            min-height: var(--header-height);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .site-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #D93B0E 100%);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 2px 10px rgba(255, 78, 30, 0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(255, 78, 30, 0.12);
            border: 1px solid rgba(255, 78, 30, 0.3);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 1.2rem;
            padding: 6px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        /* Progress Steps */
        .progress-nav {
            background: rgba(26, 29, 38, 0.85);
            border-bottom: 1px solid var(--border-dim);
            padding: 8px 0;
            min-height: var(--progress-height);
            display: flex;
            align-items: center;
        }

        .progress-steps {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .progress-steps .step-item {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .progress-steps .step-item:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .progress-steps .step-item.active {
            color: var(--primary);
            background: rgba(255, 78, 30, 0.1);
            border: 1px solid rgba(255, 78, 30, 0.35);
        }

        .progress-steps .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .progress-steps .step-item.active .step-num {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 0 12px rgba(255, 78, 30, 0.4);
        }

        .progress-steps .step-arrow {
            color: var(--text-muted);
            font-size: 0.7rem;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 18px 0;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-dim);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

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

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

        /* Category Hero */
        .category-hero {
            padding: 48px 0 36px;
            background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-deep) 100%);
            border-bottom: 1px solid var(--border-dim);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255,78,30,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 0;
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-family: var(--font-title);
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .category-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }

        .category-hero .hero-sub strong {
            color: var(--text-main);
        }

        .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(0, 200, 224, 0.1);
            border: 1px solid rgba(0, 200, 224, 0.3);
            color: var(--cyan);
        }

        /* Data Dashboard */
        .data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-med);
        }

        .data-card:hover {
            border-color: rgba(255, 78, 30, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .data-card .data-icon {
            font-size: 1.6rem;
            color: var(--cyan);
            margin-bottom: 10px;
        }

        .data-card .data-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--yellow);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .data-card .data-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Topic List */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            border-color: rgba(255, 78, 30, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .topic-card .topic-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .topic-card .topic-cover .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(255, 78, 30, 0.9);
            color: #fff;
            z-index: 1;
        }

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

        .topic-card .topic-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .topic-card .topic-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .topic-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        .topic-meta .meta-highlight {
            color: var(--green);
            font-weight: 600;
        }

        /* Player Leaderboard */
        .leaderboard-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .leaderboard-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all var(--transition-fast);
        }

        .leaderboard-item:hover {
            border-color: rgba(255, 78, 30, 0.35);
            background: var(--bg-card-alt);
        }

        .leaderboard-item.top1 {
            border-color: rgba(255, 214, 10, 0.5);
            background: rgba(255, 214, 10, 0.06);
            box-shadow: 0 0 18px rgba(255, 214, 10, 0.12);
        }

        .leaderboard-rank {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-muted);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .leaderboard-item.top1 .leaderboard-rank {
            color: var(--yellow);
        }

        .leaderboard-item.top2 .leaderboard-rank {
            color: var(--cyan);
        }

        .leaderboard-item.top3 .leaderboard-rank {
            color: var(--primary);
        }

        .leaderboard-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card-alt) 100%);
            border: 2px solid var(--border-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            overflow: hidden;
        }

        .leaderboard-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

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

        .leaderboard-info .player-name {
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.95rem;
        }

        .leaderboard-info .player-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .leaderboard-stats {
            display: flex;
            gap: 18px;
            flex-shrink: 0;
        }

        .leaderboard-stats .stat {
            text-align: center;
        }

        .leaderboard-stats .stat-value {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }

        .leaderboard-stats .stat-label {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* Activity Cards */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .activity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
        }

        .activity-card:hover {
            border-color: rgba(0, 200, 224, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .activity-card .activity-cover {
            height: 140px;
            overflow: hidden;
        }

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

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

        .activity-card .activity-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .activity-card .activity-time {
            font-size: 0.82rem;
            color: var(--cyan);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .activity-card .activity-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Featured Content */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .featured-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-med);
        }

        .featured-card:hover {
            border-color: rgba(61, 220, 151, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .featured-card .featured-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(61, 220, 151, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--green);
            flex-shrink: 0;
        }

        .featured-card .featured-body {
            flex: 1;
            min-width: 0;
        }

        .featured-card .featured-title {
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .featured-card .featured-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Community Guidelines */
        .guideline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .guideline-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .guideline-card:hover {
            border-color: rgba(255, 78, 30, 0.3);
        }

        .guideline-card .guideline-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .guideline-card .guideline-title {
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .guideline-card .guideline-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block .cta-title {
            font-family: var(--font-title);
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-block .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 32px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 800;
            background: var(--yellow);
            color: #1a1d26;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            background: #ffe14a;
            color: #1a1d26;
            box-shadow: 0 0 28px rgba(255, 214, 10, 0.35);
            transform: translateY(-2px);
        }

        /* FAQ Accordion */
        .faq-list .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-list .accordion-item:hover {
            border-color: rgba(255, 78, 30, 0.3);
        }

        .faq-list .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            font-size: 0.95rem;
            gap: 12px;
            transition: all var(--transition-fast);
            user-select: none;
            list-style: none;
        }

        .faq-list .accordion-title:hover {
            color: var(--primary-hover);
        }

        .faq-list .accordion-title .faq-icon {
            color: var(--primary);
            transition: transform var(--transition-med);
            flex-shrink: 0;
        }

        .faq-list .accordion-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-list .accordion-content {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-list .accordion-item.open .accordion-content {
            display: block;
        }

        .faq-list .accordion-item.open {
            border-color: rgba(255, 78, 30, 0.4);
            box-shadow: 0 0 16px rgba(255, 78, 30, 0.1);
        }

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

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

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-dim);
            color: var(--text-secondary);
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
            background: rgba(255, 78, 30, 0.1);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-hover);
            transform: translateX(4px);
        }

        .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-dim);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom .beian-info {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.65rem;
            }

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

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

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

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

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

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

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .data-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .data-card .data-value {
                font-size: 1.5rem;
            }

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

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

            .guideline-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

            .leaderboard-item {
                flex-wrap: wrap;
                padding: 12px 14px;
                gap: 10px;
            }

            .leaderboard-stats {
                width: 100%;
                justify-content: flex-end;
                padding-top: 6px;
                border-top: 1px solid var(--border-dim);
            }

            .cta-block {
                padding: 32px 20px;
            }

            .cta-block .cta-title {
                font-size: 1.4rem;
            }

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

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0;
                gap: 2px;
            }

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

            .main-nav a {
                padding: 10px 16px;
                justify-content: flex-start;
            }

            .progress-steps {
                gap: 2px;
            }

            .progress-steps .step-item {
                padding: 4px 10px;
                font-size: 0.78rem;
                gap: 6px;
            }

            .progress-steps .step-num {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }

            .progress-steps .step-arrow {
                font-size: 0.6rem;
            }

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

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

        @media (max-width: 520px) {
            .container-xl,
            .container-wide {
                padding: 0 14px;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .category-hero h1 {
                font-size: 1.55rem;
            }

            .category-hero .hero-sub {
                font-size: 0.92rem;
            }

            .data-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-card {
                padding: 14px 12px;
            }

            .data-card .data-value {
                font-size: 1.25rem;
            }

            .data-card .data-label {
                font-size: 0.75rem;
            }

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

            .topic-card .topic-cover {
                height: 150px;
            }

            .leaderboard-item .leaderboard-rank {
                width: 32px;
                font-size: 1.05rem;
            }

            .leaderboard-avatar {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .leaderboard-stats {
                gap: 10px;
            }

            .leaderboard-stats .stat-value {
                font-size: 0.95rem;
            }

            .cta-block .cta-title {
                font-size: 1.2rem;
            }

            .btn-primary,
            .btn-cta,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
        }