/* roulang page: index */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            letter-spacing: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ::selection {
            background: rgba(163, 230, 53, 0.3);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-page);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-hover);
        }

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

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: var(--bg-page);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 10px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

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

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

        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-search-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--bg-card-hover);
        }

        .nav-join-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(163, 230, 53, 0.25);
        }

        .nav-join-btn:hover {
            background: var(--brand-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(163, 230, 53, 0.35);
        }

        .nav-join-btn:active {
            transform: scale(0.96);
        }

        .nav-mega-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-mega-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--bg-card-hover);
        }

        /* Mega Panel */
        .mega-wrap {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 760px;
            max-width: calc(100vw - 32px);
            background: var(--bg-container);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition-smooth);
            pointer-events: none;
            z-index: 999;
        }

        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel,
        .mega-panel.is-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

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

        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .mega-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 10px;
            border-radius: 10px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .mega-item:hover {
            background: var(--bg-card);
            border: 1px solid var(--border);
            margin: -1px;
        }

        .mega-item img {
            width: 52px;
            height: 36px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .mega-item-info {
            flex: 1;
            min-width: 0;
        }
        .mega-item-info span {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mega-item-info small {
            font-size: 12px;
            color: var(--text-secondary);
            display: block;
        }

        .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .mega-tags span {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .mega-tags span:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* 移动端 */
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: var(--transition-base);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 999px;
            background: currentColor;
            transition: var(--transition-base);
        }

        .mobile-toggle.is-active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.is-active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-toggle.is-active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-page);
            z-index: 990;
            padding: 20px 24px 40px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: var(--transition-smooth);
            border-top: 1px solid var(--border);
        }

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

        .mobile-nav a {
            display: block;
            padding: 16px 18px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            margin-bottom: 10px;
            transition: var(--transition-base);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--bg-card-hover);
        }

        /* ============ 按钮系统 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 15px;
            line-height: 1.4;
            transition: var(--transition-base);
            box-shadow: 0 6px 24px rgba(163, 230, 53, 0.3);
            white-space: nowrap;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(163, 230, 53, 0.4);
        }
        .btn-primary:active {
            transform: scale(0.96);
            box-shadow: 0 4px 16px rgba(163, 230, 53, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: #fff;
            background: rgba(139, 92, 246, 0.08);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.96);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 999px;
        }

        .btn-link {
            color: var(--brand);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 0;
            position: relative;
            transition: var(--transition-base);
        }
        .btn-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 1px;
            background: currentColor;
            transform: scaleX(0);
            transform-origin: right;
            transition: var(--transition-base);
        }
        .btn-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }
        .btn-link:hover {
            color: var(--brand-hover);
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-container);
            background-image: radial-gradient(rgba(163, 230, 53, 0.04) 1px, transparent 1px);
            background-size: 28px 28px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(163, 230, 53, 0.1);
            color: var(--brand);
            border: 1px solid rgba(163, 230, 53, 0.2);
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15.5px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.85;
        }

        /* ============ Hero 众筹预热 ============ */
        .hero {
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: 60px 0 48px;
            position: relative;
            background: var(--bg-page);
            background-image: radial-gradient(rgba(163, 230, 53, 0.03) 1px, transparent 1px), linear-gradient(135deg, #0B0E11 0%, #0F1419 40%, #131A20 100%);
            background-size: 32px 32px, 100% 100%;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 4px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12.5px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(251, 113, 133, 0.08);
            color: var(--hot);
            border: 1px solid rgba(251, 113, 133, 0.18);
        }

        .hero-title {
            font-size: 44px;
            font-weight: 900;
            letter-spacing: -0.025em;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .hero-title .highlight {
            color: var(--brand);
            position: relative;
            white-space: nowrap;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 2px;
            height: 8px;
            background: rgba(163, 230, 53, 0.2);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 540px;
            font-weight: 400;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 10px;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

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

        .hero-stat-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

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

        /* Hero右侧：进度环+档位 */
        .hero-visual {
            background: var(--bg-container);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            max-width: 440px;
            width: 100%;
            justify-self: end;
        }

        .hero-ring-section {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .progress-ring {
            position: relative;
            width: 110px;
            height: 110px;
            flex-shrink: 0;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }

        .progress-ring .ring-bg {
            fill: none;
            stroke: var(--border);
            stroke-width: 8;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--brand);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 283;
            stroke-dashoffset: 92;
            transition: stroke-dashoffset 1.2s ease;
        }

        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .ring-center strong {
            font-size: 26px;
            font-weight: 900;
            color: var(--text-primary);
            display: block;
            line-height: 1;
        }
        .ring-center span {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .hero-ring-info {
            flex: 1;
            min-width: 0;
        }
        .hero-ring-info h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .hero-ring-info p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .hero-ring-info .progress-extra {
            font-size: 12.5px;
            color: var(--brand);
            font-weight: 600;
        }

        .hero-tier-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-tier-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .hero-tier-card:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .hero-tier-info {
            flex: 1;
            min-width: 0;
        }
        .hero-tier-info strong {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
        }
        .hero-tier-info span {
            font-size: 12.5px;
            color: var(--text-secondary);
            display: block;
        }

        .hero-tier-action {
            font-size: 12px;
            font-weight: 700;
            color: var(--brand);
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.2);
            padding: 5px 12px;
            border-radius: 999px;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .hero-tier-action:hover {
            background: rgba(163, 230, 53, 0.2);
        }

        /* ============ 裂变说明 ============ */
        .fission-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .fission-main {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .fission-main .section-title {
            margin-bottom: 4px;
        }

        .fission-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            margin-top: 10px;
        }

        .fission-step {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .fission-step:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .fission-step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.3);
            color: var(--accent);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .fission-step-body {
            flex: 1;
            min-width: 0;
        }
        .fission-step-body strong {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
            margin-bottom: 4px;
        }
        .fission-step-body p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .fission-visual {
            background: var(--bg-container);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .fission-visual img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .fission-visual-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .fission-visual-stats div {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px;
            text-align: center;
        }
        .fission-visual-stats strong {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand);
            display: block;
        }
        .fission-visual-stats span {
            font-size: 12.5px;
            color: var(--text-secondary);
        }

        /* ============ 邀请进度 ============ */
        .invite-progress-section {
            background: var(--bg-container);
            background-image: radial-gradient(rgba(139, 92, 246, 0.05) 1px, transparent 1px);
            background-size: 24px 24px;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .invite-progress-grid {
            display: grid;
            grid-template-columns: 1fr 1fr; 
            gap: 32px;
            align-items: center;
        }

        .invite-bar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .invite-bar-card .label-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        .label-row span {
            font-size: 13.5px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .label-row strong {
            font-size: 15px;
            color: var(--brand);
            font-weight: 700;
        }

        .progress-track {
            width: 100%;
            height: 10px;
            background: var(--bg-input);
            border-radius: 999px;
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .progress-track-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--brand), #B8F35C);
            border-radius: 999px;
            transition: width 1.2s ease;
        }

        .invite-rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .invite-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .invite-rank-item:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
        }
        .invite-rank-num {
            font-size: 20px;
            font-weight: 900;
            color: var(--text-muted);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .invite-rank-item:nth-child(1) .invite-rank-num {
            color: var(--brand);
        }
        .invite-rank-item:nth-child(2) .invite-rank-num {
            color: #C0C0C0;
        }
        .invite-rank-item:nth-child(3) .invite-rank-num {
            color: #CD7F32;
        }

        .invite-rank-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: #fff;
            flex-shrink: 0;
        }
        .invite-rank-info {
            flex: 1;
            min-width: 0;
        }
        .invite-rank-info strong {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
        }
        .invite-rank-info span {
            font-size: 12.5px;
            color: var(--text-secondary);
            display: block;
        }
        .invite-rank-score {
            font-size: 15px;
            font-weight: 800;
            color: var(--brand);
            white-space: nowrap;
        }

        /* ============ 排行榜 ============ */
        .rank-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .rank-tab {
            font-size: 13.5px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .rank-tab:hover,
        .rank-tab.is-active {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(163, 230, 53, 0.06);
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .rank-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .rank-row:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .rank-position {
            font-size: 26px;
            font-weight: 900;
            min-width: 44px;
            text-align: center;
            color: var(--text-muted);
            letter-spacing: -0.02em;
        }
        .rank-row:nth-child(1) .rank-position {
            color: var(--brand);
            font-size: 30px;
        }
        .rank-row:nth-child(2) .rank-position {
            color: #D1D5DB;
        }
        .rank-row:nth-child(3) .rank-position {
            color: #CD7F32;
        }

        .rank-cover {
            width: 72px;
            height: 52px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info strong {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
            margin-bottom: 3px;
        }
        .rank-info .rank-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }
        .rank-info .rank-tags span {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(139, 92, 246, 0.08);
            color: var(--accent);
            border: 1px solid rgba(139, 92, 246, 0.16);
        }

        .rank-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .rank-trend.up {
            color: var(--hot);
        }
        .rank-trend.down {
            color: var(--text-muted);
        }
        .rank-trend.stable {
            color: var(--text-secondary);
        }

        /* ============ 资讯动态 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 32px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: block;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-item-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        .news-item h4 {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-item p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .news-side {
            background: var(--bg-container);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            position: sticky;
            top: 88px;
        }
        .news-side h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .news-side-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .news-side-item:last-child {
            border-bottom: none;
        }
        .news-side-item:hover span {
            color: var(--brand);
        }
        .news-side-item img {
            width: 52px;
            height: 36px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }
        .news-side-item span {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition-base);
            line-height: 1.5;
        }

        /* ============ 用户评价 ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .testimonial-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-head {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
        }
        .testimonial-head-info {
            flex: 1;
            min-width: 0;
        }
        .testimonial-head-info strong {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
        }
        .testimonial-head-info span {
            font-size: 12.5px;
            color: var(--text-muted);
            display: block;
        }
        .testimonial-text {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .testimonial-text::before {
            content: '“';
            color: var(--brand);
            font-weight: 900;
            font-size: 20px;
            margin-right: 2px;
        }
        .testimonial-text::after {
            content: '”';
            color: var(--brand);
            font-weight: 900;
            font-size: 20px;
            margin-left: 2px;
        }

        /* ============ 合作伙伴 ============ */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
            margin-top: 10px;
        }

        .partner-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 14px;
            text-align: center;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .partner-item:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .partner-item strong {
            display: block;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .partner-item span {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: block;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.04) 0%, rgba(139, 92, 246, 0.04) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 0.4fr 1.6fr;
            gap: 28px;
            align-items: start;
        }
        .brand-intro-icon {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: var(--brand);
            color: var(--bg-page);
            font-size: 36px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .brand-intro-content h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .brand-intro-content p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            background: var(--bg-card-hover);
        }
        .faq-item.is-open {
            border-color: var(--accent);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            width: 100%;
            text-align: left;
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-primary);
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
            cursor: pointer;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--brand);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--text-secondary);
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .faq-item.is-open .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.is-open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--bg-container);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 28px;
        }
        .cta-btn-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-page);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 10px;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--brand);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .footer-copyright {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12.5px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--brand);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                justify-self: center;
                max-width: 520px;
            }
            .hero-title {
                font-size: 34px;
            }
            .section-title {
                font-size: 26px;
            }
            .section {
                padding: 60px 0;
            }
            .fission-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .invite-progress-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-side {
                position: static;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-join-btn {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .mega-panel {
                display: none;
            }

            .hero {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-title {
                font-size: 28px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 14.5px;
            }
            .hero-visual {
                padding: 20px;
                border-radius: var(--radius-md);
            }
            .hero-ring-section {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .hero-tier-card {
                flex-wrap: wrap;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 18px;
            }

            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-row {
                gap: 10px;
                padding: 10px 12px;
            }
            .rank-position {
                font-size: 20px;
                min-width: 30px;
            }
            .rank-cover {
                width: 56px;
                height: 42px;
            }
            .rank-info strong {
                font-size: 13.5px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .brand-intro {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .brand-intro-icon {
                width: 56px;
                height: 56px;
                font-size: 28px;
                border-radius: 16px;
            }
            .fission-visual img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-header {
                height: 60px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 15px;
                border-radius: 8px;
            }
            .mobile-nav {
                top: 60px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-badge {
                font-size: 11px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .section-title {
                font-size: 20px;
            }
            .partner-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .partner-item {
                padding: 12px 10px;
            }
            .partner-item strong {
                font-size: 12.5px;
            }
            .partner-item span {
                font-size: 11px;
            }
            .rank-row {
                flex-wrap: wrap;
            }
            .rank-info {
                flex-basis: 60%;
            }
            .progress-ring {
                width: 84px;
                height: 84px;
            }
            .ring-center strong {
                font-size: 20px;
            }
            .fission-step {
                padding: 12px 14px;
            }
            .invite-rank-item {
                padding: 10px 12px;
            }
            .news-item {
                padding: 14px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            letter-spacing: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: var(--bg-page);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
        }
        .nav-logo:hover {
            color: var(--brand);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 10px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }
        .nav-links a.active {
            color: var(--brand);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .nav-search-btn:hover {
            background: var(--bg-card);
            color: var(--brand);
            border-color: var(--border);
        }
        .nav-join-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-join-btn:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(163, 230, 53, 0.3);
        }
        .nav-join-btn:active {
            transform: scale(0.97);
        }
        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 4px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .nav-burger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 999px;
            transition: var(--transition-base);
        }
        .nav-burger:hover {
            border-color: var(--border);
            background: var(--bg-card);
        }
        .nav-burger.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-burger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-burger.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-container);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 4px;
            border-top: 1px solid var(--border);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 12px;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu a:hover {
            background: var(--bg-card);
            color: var(--brand);
        }
        .mobile-menu a.active {
            color: var(--brand);
            background: var(--bg-card);
            font-weight: 600;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            background: var(--bg-page);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: var(--border-hover);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--brand);
            font-weight: 600;
        }

        /* ============ 分类 Hero ============ */
        .category-hero {
            padding: 40px 0 48px;
            background: var(--bg-page);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero-inner {
            display: flex;
            flex-direction: column;
            gap: 18px;
            max-width: 820px;
        }
        .category-hero h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0;
        }
        .category-hero h1 .highlight {
            color: var(--brand);
        }
        .category-hero p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0;
        }
        .category-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 12px;
        }
        .category-hero-stats .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero-stats .stat-num {
            font-size: 24px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.02em;
        }
        .category-hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ 主体布局 ============ */
        .guide-main {
            padding: 0 0 var(--section-gap);
            background: var(--bg-page);
        }
        .guide-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 28px;
            align-items: start;
        }

        /* ============ 筛选侧栏 ============ */
        .filter-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            position: sticky;
            top: 88px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .filter-group-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-group-title::before {
            content: '';
            width: 4px;
            height: 16px;
            background: var(--brand);
            border-radius: 999px;
            display: inline-block;
        }
        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .filter-option {
            padding: 5px 12px;
            font-size: 12.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            user-select: none;
        }
        .filter-option:hover {
            color: var(--text-primary);
            border-color: var(--border-hover);
        }
        .filter-option.active {
            background: var(--brand);
            color: var(--bg-page);
            border-color: var(--brand);
            font-weight: 700;
        }
        .filter-reset {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            text-align: center;
        }
        .filter-reset:hover {
            color: var(--brand);
            border-color: var(--brand);
            background: rgba(163, 230, 53, 0.05);
        }

        /* ============ 攻略列表 ============ */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .guide-count-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--text-muted);
            padding-bottom: 4px;
        }
        .guide-count-bar strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        .guide-card {
            display: flex;
            flex-direction: row;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px;
            transition: var(--transition-smooth);
            cursor: pointer;
            overflow: hidden;
            position: relative;
        }
        .guide-card:hover {
            border-color: var(--brand);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }
        .guide-card-img-wrap {
            flex-shrink: 0;
            width: 240px;
            height: 135px;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            background: var(--bg-container);
        }
        .guide-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .guide-card-img-wrap img {
            transform: scale(1.06);
        }
        .guide-card-img-wrap .duration-badge {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(11, 14, 17, 0.82);
            color: var(--text-primary);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }
        .guide-card-img-wrap .type-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(11, 14, 17, 0.82);
            color: var(--brand);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }
        .guide-card-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
            justify-content: center;
        }
        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            align-items: center;
        }
        .guide-card-tag {
            font-size: 11px;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(139, 92, 246, 0.12);
            color: var(--accent);
            letter-spacing: 0.02em;
        }
        .guide-card-tag.hot {
            background: rgba(251, 113, 133, 0.12);
            color: var(--hot);
        }
        .guide-card-tag.new {
            background: rgba(163, 230, 53, 0.12);
            color: var(--brand);
        }
        .guide-card h3 {
            font-size: 16.5px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .guide-card:hover h3 {
            color: var(--brand);
        }
        .guide-card-desc {
            font-size: 13.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12.5px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .guide-card-author {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .guide-card-avatar {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--bg-page);
            flex-shrink: 0;
        }
        .guide-card-stats {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            font-size: 12px;
            color: var(--text-muted);
        }
        .guide-card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition-base);
            margin: 8px auto 0;
            min-width: 160px;
        }
        .load-more-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(163, 230, 53, 0.05);
            transform: translateY(-2px);
        }

        /* ============ 热门标签区 ============ */
        .hot-tags-section {
            padding: var(--section-gap) 0;
            background: var(--bg-container);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .hot-tags-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .hot-tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 999px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .hot-tag-pill:hover {
            color: var(--brand);
            border-color: var(--brand);
            background: rgba(163, 230, 53, 0.06);
        }
        .hot-tag-pill .tag-count {
            font-size: 11px;
            color: var(--text-muted);
            padding: 1px 6px;
            background: var(--bg-input);
            border-radius: 999px;
        }

        /* ============ 数据带 ============ */
        .data-band {
            padding: 44px 0;
            background: var(--bg-container);
            border-radius: var(--radius-lg);
            margin-top: var(--section-gap);
        }
        .data-band-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .data-band-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 8px 12px;
        }
        .data-band-num {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .data-band-label {
            font-size: 13.5px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-page);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
        }
        .faq-item.open {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            background: transparent;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-item.open .faq-question {
            color: var(--brand);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            font-size: 16px;
            font-weight: 400;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--brand);
        }
        .faq-answer {
            max-height: 0;
            padding: 0 20px;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--section-gap) 0;
            background: var(--bg-page);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-container) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
            color: var(--text-primary);
        }
        .cta-box h2 .highlight {
            color: var(--brand);
        }
        .cta-box p {
            font-size: 15.5px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            background: var(--brand);
            color: var(--bg-page);
            border: 1px solid var(--brand);
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition-base);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(163, 230, 53, 0.28);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition-base);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
            background: rgba(139, 92, 246, 0.05);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-container);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--brand);
        }
        .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);
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: var(--transition-base);
            font-size: 12.5px;
        }
        .footer-links a:hover {
            color: var(--brand);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .guide-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .filter-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
                padding: 16px;
            }
            .filter-group {
                flex: 1;
                min-width: 160px;
            }
            .filter-options {
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .guide-card-img-wrap {
                width: 200px;
                height: 112px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            .nav-links {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-actions .nav-search-btn {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .category-hero {
                padding: 24px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero-stats {
                gap: 16px;
            }
            .category-hero-stats .stat-num {
                font-size: 20px;
            }
            .guide-card {
                flex-direction: column;
                gap: 12px;
                padding: 12px;
            }
            .guide-card-img-wrap {
                width: 100%;
                height: 180px;
            }
            .guide-card-stats {
                margin-left: 0;
            }
            .guide-count-bar {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
            .filter-sidebar {
                flex-direction: column;
                gap: 16px;
                padding: 14px;
            }
            .filter-group {
                min-width: auto;
            }
            .fta-box {
                padding: 32px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .data-band-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-box {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-box h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 22px;
                line-height: 1.35;
            }
            .category-hero p {
                font-size: 14.5px;
            }
            .guide-card-img-wrap {
                height: 150px;
            }
            .guide-card h3 {
                font-size: 15px;
            }
            .guide-card-desc {
                font-size: 12.5px;
            }
            .data-band-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-band-num {
                font-size: 24px;
            }
            .load-more-btn {
                min-width: 140px;
                padding: 10px 20px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            letter-spacing: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: var(--bg-page);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 10px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

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

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

        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-search-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 14px;
            gap: 6px;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            background: var(--brand-hover);
            transform: translateY(-1px);
        }

        .nav-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: var(--transition-base);
        }

        .nav-menu-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 14, 17, 0.98);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            display: block;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition-base);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand);
            border-color: var(--brand);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
            padding: 18px 0 0;
        }

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

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

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

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

        /* ============ 分类Hero ============ */
        .category-hero {
            padding: 40px 0 28px;
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.3);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            gap: 5px;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .category-hero h1 .highlight {
            color: var(--brand);
            position: relative;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 22px;
        }

        .category-hero .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .category-hero .hero-stat-number {
            font-size: 26px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.01em;
        }

        .category-hero .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ 评分聚合区 ============ */
        .score-aggregation {
            padding: 36px 0 48px;
        }

        .score-aggregation .agg-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .score-aggregation .agg-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .agg-score-left {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .agg-score-left .agg-big-number {
            font-size: 84px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.04em;
            line-height: 1;
        }

        .agg-score-left .agg-total-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .agg-score-left .agg-trend {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 13px;
            border-radius: 999px;
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.25);
            color: var(--brand);
            font-size: 12px;
            font-weight: 700;
        }

        .agg-distribution {
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .agg-dist-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .agg-dist-stars {
            width: 60px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .agg-dist-bar {
            flex: 1;
            height: 8px;
            background: var(--bg-input);
            border-radius: 999px;
            overflow: hidden;
        }

        .agg-dist-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--brand);
            transition: var(--transition-base);
        }

        .agg-dist-bar-fill.hot {
            background: var(--hot);
        }

        .agg-dist-bar-fill.accent {
            background: var(--accent);
        }

        .agg-dist-pct {
            width: 44px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-align: right;
            flex-shrink: 0;
        }

        /* ============ 评测卡网格 ============ */
        .review-section {
            padding: 8px 0 48px;
        }

        .review-section .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .review-section .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }

        .review-section .section-header p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .review-section .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .review-section .filter-tab {
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .review-section .filter-tab:hover,
        .review-section .filter-tab.active {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(163, 230, 53, 0.06);
        }

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

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

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

        .review-card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .review-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 17, 0.75) 100%);
            pointer-events: none;
        }

        .review-card-cover .score-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            padding: 5px 13px;
            border-radius: 999px;
            background: rgba(11, 14, 17, 0.8);
            border: 1px solid var(--brand);
            color: var(--brand);
            font-size: 15px;
            font-weight: 900;
            letter-spacing: -0.01em;
        }

        .review-card-cover .genre-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            display: inline-flex;
            padding: 4px 11px;
            border-radius: 999px;
            background: rgba(11, 14, 17, 0.75);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 500;
        }

        .review-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            flex: 1;
        }

        .review-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.45;
        }

        .review-card-pros-cons {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .review-card-pros-cons .pros-row,
        .review-card-pros-cons .cons-row {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13.5px;
            line-height: 1.65;
        }

        .review-card-pros-cons .pros-label {
            color: var(--brand);
            font-weight: 700;
            flex-shrink: 0;
        }

        .review-card-pros-cons .cons-label {
            color: var(--hot);
            font-weight: 700;
            flex-shrink: 0;
        }

        .review-card-pros-cons .pros-text,
        .review-card-pros-cons .cons-text {
            color: var(--text-secondary);
        }

        .review-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            gap: 10px;
            flex-wrap: wrap;
        }

        .review-card-verdict {
            display: inline-flex;
            align-items: center;
            padding: 5px 13px;
            border-radius: 999px;
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.25);
            color: var(--brand);
            font-size: 12px;
            font-weight: 700;
        }

        .review-card-author {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .review-card-author .author-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

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

        /* ============ 侧栏高分榜 ============ */
        .sidebar-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .top-list-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
        }

        .top-list-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .top-list-card h3 .icon-fire {
            color: var(--hot);
            font-size: 18px;
        }

        .top-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }

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

        .top-list-item:hover {
            padding-left: 4px;
        }

        .top-list-rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--bg-input);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .top-list-item:nth-child(1) .top-list-rank {
            background: var(--brand);
            color: var(--bg-page);
        }

        .top-list-item:nth-child(2) .top-list-rank {
            background: rgba(163, 230, 53, 0.25);
            color: var(--brand);
        }

        .top-list-item:nth-child(3) .top-list-rank {
            background: rgba(251, 113, 133, 0.2);
            color: var(--hot);
        }

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

        .top-list-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .top-list-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        .top-list-score {
            font-size: 16px;
            font-weight: 800;
            color: var(--brand);
            flex-shrink: 0;
        }

        /* ============ 评测方法论 ============ */
        .method-section {
            padding: 48px 0;
        }

        .method-section .section-header {
            margin-bottom: 28px;
        }

        .method-section .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .method-section .section-header p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 560px;
        }

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

        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: var(--transition-base);
        }

        .method-card:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
        }

        .method-card .method-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: rgba(163, 230, 53, 0.12);
            color: var(--brand);
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .method-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .method-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 适用场景 ============ */
        .scene-section {
            padding: 48px 0;
        }

        .scene-section .section-header {
            margin-bottom: 28px;
        }

        .scene-section .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .scene-section .section-header p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 560px;
        }

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

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .scene-card .scene-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(139, 92, 246, 0.12);
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 4px;
        }

        .scene-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .scene-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 48px 0 56px;
        }

        .faq-section .section-header {
            margin-bottom: 28px;
        }

        .faq-section .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .faq-section .section-header p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 560px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            background: var(--bg-card-hover);
        }

        .faq-item.expanded {
            border-color: var(--accent);
        }

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

        .faq-item.expanded .faq-question {
            color: var(--brand);
        }

        .faq-question .faq-toggle {
            font-size: 18px;
            color: var(--text-muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.expanded .faq-question .faq-toggle {
            transform: rotate(45deg);
            color: var(--brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 48px 0 56px;
        }

        .cta-section .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-section .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 160px;
            background: radial-gradient(ellipse, rgba(163, 230, 53, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-card h2 {
            font-size: 28px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-card h2 .highlight {
            color: var(--brand);
        }

        .cta-section .cta-card p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 26px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 15px;
            gap: 8px;
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(163, 230, 53, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            gap: 8px;
            transition: var(--transition-base);
        }

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

        .btn-secondary:active {
            transform: scale(0.97);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-container);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 20px;
        }

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

        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 320px;
            margin-top: 6px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition-base);
        }

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

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

        .footer-copyright {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 10px 10px;
                font-size: 13.5px;
            }
            .nav-login-btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .sidebar-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .method-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-menu-btn {
                display: inline-flex;
            }
            .nav-login-btn {
                display: none;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-stats-row {
                gap: 20px;
            }
            .category-hero .hero-stat-number {
                font-size: 21px;
            }
            .score-aggregation .agg-card {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px 22px;
            }
            .agg-score-left .agg-big-number {
                font-size: 60px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .method-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .cta-section .cta-card {
                padding: 32px 20px;
            }
            .cta-section .cta-card h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .review-section .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                gap: 8px;
            }
            .nav-logo {
                font-size: 19px;
            }
            .nav-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .category-hero {
                padding: 28px 0 20px;
            }
            .category-hero h1 {
                font-size: 23px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .review-card-body {
                padding: 16px 16px 18px;
            }
            .review-card-title {
                font-size: 16px;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-section .cta-buttons .btn-primary,
            .cta-section .cta-buttons .btn-secondary {
                width: 100%;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 13px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            letter-spacing: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: var(--bg-page);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 10px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

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

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

        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: var(--transition-base);
            font-size: 16px;
        }

        .nav-search-btn:hover {
            color: var(--brand);
            border-color: var(--brand);
            background: rgba(163, 230, 53, 0.08);
        }

        .nav-join-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid var(--brand);
        }

        .nav-join-btn:hover {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(163, 230, 53, 0.3);
        }

        .nav-join-btn:active {
            transform: scale(0.98);
        }

        .nav-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .nav-menu-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        /* ============ 移动端抽屉 ============ */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 85%;
            max-width: 340px;
            height: 100vh;
            background: var(--bg-container);
            z-index: 1100;
            box-shadow: -24px 0 60px rgba(0, 0, 0, 0.6);
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 24px 20px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .mobile-drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }

        .mobile-drawer-close:hover {
            border-color: var(--hot);
            color: var(--hot);
        }

        .mobile-drawer .nav-links {
            flex-direction: column;
            gap: 2px;
        }

        .mobile-drawer .nav-links a {
            padding: 14px 16px;
            font-size: 16px;
            border-radius: 10px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-drawer-join {
            margin-top: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 20px;
            border-radius: 12px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition-base);
        }

        .mobile-drawer-join:hover {
            background: var(--brand-hover);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 18px 0;
            background: var(--bg-container);
            border-bottom: 1px solid var(--border);
        }

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

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

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

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

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

        /* ============ 页面标题区 ============ */
        .page-heading {
            padding: 32px 0 20px;
        }

        .page-heading h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

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

        /* ============ 全宽横幅 ============ */
        .video-hero-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 32px;
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--border);
        }

        .video-hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 14, 17, 0.15) 0%, rgba(11, 14, 17, 0.55) 45%, rgba(11, 14, 17, 0.9) 100%);
            z-index: 1;
        }

        .video-hero-content {
            position: relative;
            z-index: 2;
            padding: 36px 32px;
            width: 100%;
        }

        .video-hero-content h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .video-hero-content p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .video-hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }

        .video-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .video-hero-meta i {
            color: var(--brand);
        }

        .play-overlay-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(163, 230, 53, 0.85);
            color: var(--bg-page);
            font-size: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 3;
            transition: var(--transition-base);
            border: 3px solid rgba(255, 255, 255, 0.4);
            box-shadow: 0 8px 32px rgba(163, 230, 53, 0.4);
        }

        .play-overlay-btn:hover {
            background: var(--brand-hover);
            transform: translate(-50%, -50%) scale(1.08);
            box-shadow: 0 12px 48px rgba(163, 230, 53, 0.55);
        }

        /* ============ 筛选栏 ============ */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }

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

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            white-space: nowrap;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }

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

        .filter-chip.active {
            background: var(--brand);
            border-color: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
        }

        .filter-chip.hot-chip {
            background: rgba(251, 113, 133, 0.12);
            border-color: rgba(251, 113, 133, 0.4);
            color: var(--hot);
        }

        .filter-chip.hot-chip:hover {
            background: rgba(251, 113, 133, 0.2);
        }

        /* ============ 创作者聚合 ============ */
        .creator-section {
            padding: var(--section-gap) 0;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .section-heading .sub {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 420px;
            line-height: 1.6;
        }

        .section-heading .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            white-space: nowrap;
        }

        .section-heading .more-link:hover {
            color: var(--brand-hover);
            gap: 10px;
        }

        .creator-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .creator-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: var(--transition-base);
        }

        .creator-card:hover {
            border-color: var(--brand);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }

        .creator-card-header {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .creator-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
            border: 2px solid var(--border-hover);
        }

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

        .creator-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .creator-tag {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-top: 3px;
        }

        .creator-stats {
            display: flex;
            gap: 18px;
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .creator-stats i {
            color: var(--accent);
        }

        .follow-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            background: transparent;
            border: 1px solid var(--border-hover);
            color: var(--text-primary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .follow-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(163, 230, 53, 0.08);
        }

        .follow-btn.following {
            background: var(--brand);
            border-color: var(--brand);
            color: var(--bg-page);
        }

        /* ============ 视频卡片列表 ============ */
        .video-list-section {
            padding: 0 0 var(--section-gap);
        }

        .video-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .video-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .video-card:hover {
            border-color: var(--brand);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }

        .video-thumb {
            width: 220px;
            min-width: 220px;
            aspect-ratio: 16/9;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .video-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 17, 0.75) 100%);
        }

        .video-thumb .play-mini {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(163, 230, 53, 0.9);
            color: var(--bg-page);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            transition: var(--transition-base);
        }

        .video-card:hover .play-mini {
            background: var(--brand-hover);
            transform: translate(-50%, -50%) scale(1.08);
        }

        .video-thumb .duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            z-index: 2;
            background: rgba(11, 14, 17, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            letter-spacing: 0.03em;
        }

        .video-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .video-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .video-card:hover .video-card-title {
            color: var(--brand);
        }

        .video-card-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .video-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: auto;
        }

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

        .video-card-meta i {
            color: var(--accent);
        }

        .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(251, 113, 133, 0.12);
            color: var(--hot);
            border: 1px solid rgba(251, 113, 133, 0.35);
            white-space: nowrap;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-input);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            white-space: nowrap;
        }

        .tag-badge.accent-tag {
            color: var(--accent);
            border-color: rgba(139, 92, 246, 0.4);
            background: rgba(139, 92, 246, 0.08);
        }

        .tag-badge.brand-tag {
            color: var(--brand);
            border-color: rgba(163, 230, 53, 0.4);
            background: rgba(163, 230, 53, 0.08);
        }

        /* ============ 加载更多 ============ */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            padding: 32px 0 0;
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            background: transparent;
            border: 1px solid var(--border-hover);
            color: var(--text-primary);
            transition: var(--transition-base);
        }

        .load-more-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(163, 230, 53, 0.08);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ============ 横滚封面区 ============ */
        .featured-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .featured-scroll::-webkit-scrollbar {
            display: none;
        }

        .featured-item {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .featured-item:hover {
            border-color: var(--brand);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .featured-thumb {
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .featured-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 14, 17, 0.85) 100%);
        }

        .featured-item-body {
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .featured-item-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .featured-item-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-container);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            max-width: 840px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            background: var(--bg-card-hover);
        }

        .faq-item.open {
            border-color: var(--accent);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: transparent;
            transition: var(--transition-base);
        }

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

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question {
            color: var(--brand);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 22px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--section-gap) 0;
        }

        .cta-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 40px;
            border: 1px solid var(--border);
            text-align: center;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 14, 17, 0.8);
            z-index: 1;
        }

        .cta-box-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            background: var(--brand);
            color: var(--bg-page);
            border: 1px solid var(--brand);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(163, 230, 53, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-hover);
            transition: var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
        }

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

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

        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .footer-copyright {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .footer-links {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                gap: 0;
            }

            .nav-links a {
                padding: 10px 10px;
                font-size: 13.5px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }

            .nav-links {
                display: none;
            }

            .nav-actions .nav-join-btn {
                display: none;
            }

            .nav-menu-btn {
                display: flex;
            }

            .mobile-drawer {
                display: flex;
            }

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

            .video-card {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }

            .video-thumb {
                width: 100%;
                min-width: 100%;
                aspect-ratio: 16/9;
            }

            .video-hero-banner {
                min-height: 280px;
            }

            .video-hero-content {
                padding: 24px 20px;
            }

            .play-overlay-btn {
                width: 56px;
                height: 56px;
                font-size: 22px;
            }

            .filter-bar {
                gap: 8px;
                padding: 12px 0;
            }

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

            .featured-item {
                flex: 0 0 260px;
            }

            .cta-box {
                padding: 36px 20px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

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

            .nav-logo {
                font-size: 18px;
            }

            .nav-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 15px;
                border-radius: 8px;
            }

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

            .page-heading h1 {
                font-size: 24px;
            }

            .creator-card {
                padding: 16px;
            }

            .creator-stats {
                flex-wrap: wrap;
                gap: 10px;
            }

            .video-hero-banner {
                min-height: 220px;
                border-radius: var(--radius-md);
            }

            .video-hero-content h2 {
                font-size: 18px;
            }

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

            .video-card-meta {
                gap: 8px;
                font-size: 11.5px;
            }

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

            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition-base); }
        a:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; letter-spacing: inherit; }
        button { cursor: pointer; border: none; background: none; transition: var(--transition-base); -webkit-tap-highlight-color: transparent; }
        button:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

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

        /* ============ 导航 ============ */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px; display: flex; align-items: center;
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            width: 100%; gap: 16px;
        }
        .nav-logo {
            display: flex; align-items: center; gap: 8px;
            font-weight: 900; font-size: 22px; color: var(--text-primary);
            letter-spacing: -0.02em; white-space: nowrap; flex-shrink: 0;
        }
        .nav-logo .logo-mark {
            display: inline-flex; align-items: center; justify-content: center;
            width: 34px; height: 34px; background: var(--brand); color: var(--bg-page);
            border-radius: 10px; font-size: 18px; font-weight: 900;
        }
        .nav-logo:hover { color: var(--brand); }
        .nav-links {
            display: flex; align-items: center; gap: 4px; flex-shrink: 1;
            overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar { display: none; }
        .nav-links a {
            padding: 10px 14px; font-size: 14.5px; font-weight: 500;
            color: var(--text-secondary); border-radius: 8px; white-space: nowrap;
            position: relative; transition: var(--transition-base);
        }
        .nav-links a::after {
            content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px;
            height: 2px; border-radius: 999px; background: var(--brand);
            transform: scaleX(0); transform-origin: left; transition: var(--transition-base);
        }
        .nav-links a:hover, .nav-links a:focus-visible { color: var(--text-primary); }
        .nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
        .nav-links a.active { color: var(--brand); font-weight: 600; }

        .nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .nav-search-btn {
            display: inline-flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 12px; background: var(--bg-card);
            color: var(--text-secondary); font-size: 18px; border: 1px solid var(--border);
        }
        .nav-search-btn:hover { color: var(--brand); border-color: var(--brand); }
        .nav-join-btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 8px 18px; border-radius: 999px; background: var(--brand);
            color: var(--bg-page); font-weight: 700; font-size: 14px; white-space: nowrap;
        }
        .nav-join-btn:hover { background: var(--brand-hover); transform: translateY(-1px); }
        .hamburger {
            display: none; width: 40px; height: 40px; border-radius: 12px;
            background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary);
            align-items: center; justify-content: center; font-size: 20px;
        }
        .mobile-drawer {
            display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
            background: var(--bg-page); z-index: 999; padding: 24px;
            flex-direction: column; gap: 8px; overflow-y: auto;
        }
        .mobile-drawer.open { display: flex; }
        .mobile-drawer a {
            display: block; padding: 16px 20px; border-radius: 12px;
            background: var(--bg-card); border: 1px solid var(--border);
            font-weight: 600; font-size: 16px; color: var(--text-primary);
        }
        .mobile-drawer a.active { color: var(--brand); border-color: var(--brand); }

        /* ============ 面包屑 ============ */
        .breadcrumb {
            display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
            font-size: 14px; color: var(--text-muted); padding: 20px 0 0;
        }
        .breadcrumb a { color: var(--text-secondary); }
        .breadcrumb a:hover { color: var(--brand); }
        .breadcrumb .sep { color: var(--border); }
        .breadcrumb .current { color: var(--text-primary); font-weight: 600; }

        /* ============ Hero ============ */
        .rank-hero {
            padding: 48px 0 32px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover; background-position: center;
            position: relative;
        }
        .rank-hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(11,14,17,0.82) 0%, rgba(11,14,17,0.9) 100%);
        }
        .rank-hero .container { position: relative; z-index: 1; }
        .rank-hero-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(163, 230, 53, 0.12); border: 1px solid rgba(163, 230, 53, 0.3);
            color: var(--brand); font-weight: 600; font-size: 13px;
            padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
        }
        .rank-hero h1 {
            font-size: 42px; font-weight: 900; letter-spacing: -0.02em;
            line-height: 1.25; margin-bottom: 12px; color: var(--text-primary);
        }
        .rank-hero h1 .highlight { color: var(--brand); }
        .rank-hero p {
            font-size: 17px; color: var(--text-secondary); max-width: 720px;
            line-height: 1.8; margin-bottom: 24px;
        }
        .rank-hero-stats {
            display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px;
        }
        .rank-stat-chip {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 12px 20px;
            display: flex; flex-direction: column; gap: 4px; min-width: 140px;
        }
        .rank-stat-chip .stat-num { font-size: 24px; font-weight: 800; color: var(--brand); }
        .rank-stat-chip .stat-label { font-size: 13px; color: var(--text-muted); }

        /* ============ Tab切换 ============ */
        .rank-tabs-section { padding: 24px 0 8px; }
        .rank-tabs {
            display: flex; flex-wrap: wrap; gap: 8px;
            border-bottom: 1px solid var(--border); padding-bottom: 12px;
        }
        .rank-tab {
            padding: 10px 22px; border-radius: 999px; font-size: 14px; font-weight: 600;
            background: var(--bg-card); color: var(--text-secondary);
            border: 1px solid var(--border); transition: var(--transition-base);
        }
        .rank-tab:hover { color: var(--text-primary); border-color: var(--border-hover); }
        .rank-tab.active { background: var(--brand); color: var(--bg-page); border-color: var(--brand); }
        .rank-tab:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

        /* ============ 排行榜列表 ============ */
        .rank-list-section { padding: 24px 0 48px; }
        .rank-list {
            list-style: none; padding: 0; margin: 0;
            display: flex; flex-direction: column; gap: 12px;
        }
        .rank-item {
            display: flex; align-items: center; gap: 16px;
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 14px 18px;
            transition: var(--transition-smooth); position: relative;
        }
        .rank-item:hover {
            border-color: var(--brand); transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .rank-item.hidden-item { display: none; }
        .rank-number {
            flex-shrink: 0; width: 52px; text-align: center;
            font-size: 30px; font-weight: 900; letter-spacing: -0.02em;
            color: var(--text-muted); line-height: 1;
        }
        .rank-item:nth-child(-n+3) .rank-number { color: var(--brand); font-size: 36px; }
        .rank-item:nth-child(1) .rank-number { color: #F59E0B; }
        .rank-item:nth-child(2) .rank-number { color: #94A3B8; }
        .rank-item:nth-child(3) .rank-number { color: #B45309; }
        .rank-cover {
            flex-shrink: 0; width: 72px; height: 72px; border-radius: 12px;
            object-fit: cover; border: 1px solid var(--border);
        }
        .rank-info { flex: 1; min-width: 0; }
        .rank-info h3 {
            font-size: 17px; font-weight: 700; margin-bottom: 4px;
            color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .rank-info .rank-desc {
            font-size: 13.5px; color: var(--text-secondary); margin-bottom: 6px;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .rank-tags { display: flex; flex-wrap: wrap; gap: 6px; }
        .rank-tag {
            font-size: 11.5px; padding: 3px 10px; border-radius: 999px;
            background: rgba(139, 92, 246, 0.14); border: 1px solid rgba(139, 92, 246, 0.25);
            color: var(--accent); font-weight: 500;
        }
        .rank-tag.hot-tag {
            background: rgba(251, 113, 133, 0.12); border-color: rgba(251, 113, 133, 0.25);
            color: var(--hot);
        }
        .rank-meta {
            flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
            min-width: 100px;
        }
        .trend-badge {
            display: inline-flex; align-items: center; gap: 4px;
            font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
        }
        .trend-badge.up { color: var(--hot); background: rgba(251, 113, 133, 0.1); }
        .trend-badge.down { color: var(--brand); background: rgba(163, 230, 53, 0.1); }
        .trend-badge.flat { color: var(--text-secondary); background: rgba(156, 163, 175, 0.1); }
        .score-badge {
            font-size: 13px; font-weight: 700; color: var(--text-primary);
            background: var(--bg-input); border: 1px solid var(--border);
            padding: 4px 12px; border-radius: 999px;
        }
        .score-badge .score-val { color: var(--brand); }

        /* ============ 趋势分析 ============ */
        .trend-section { padding: 40px 0 48px; }
        .trend-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 16px; margin-top: 20px;
        }
        .trend-card {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 20px;
            transition: var(--transition-smooth);
        }
        .trend-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-card); }
        .trend-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
        .trend-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
        .trend-card .trend-highlight { color: var(--brand); font-weight: 700; font-size: 22px; display: block; margin-bottom: 6px; }

        /* ============ 品牌介绍 ============ */
        .brand-intro-section { padding: 48px 0; background: var(--bg-container); }
        .brand-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .brand-intro-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 16px; color: var(--text-primary); }
        .brand-intro-text p { font-size: 15.5px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 12px; }
        .brand-intro-text .highlight { color: var(--brand); font-weight: 600; }
        .brand-intro-visual {
            border-radius: var(--radius-lg); overflow: hidden;
            border: 1px solid var(--border); background: var(--bg-card);
        }
        .brand-intro-visual img { width: 100%; height: 280px; object-fit: cover; }

        /* ============ 用户评价 ============ */
        .reviews-section { padding: 48px 0; }
        .reviews-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 16px; margin-top: 20px;
        }
        .review-card {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 20px;
            transition: var(--transition-smooth);
        }
        .review-card:hover { border-color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow-card); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-avatar {
            width: 40px; height: 40px; border-radius: 50%; background: var(--bg-input);
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; color: var(--brand); border: 1px solid var(--border);
            flex-shrink: 0; font-size: 16px;
        }
        .review-name { font-weight: 700; font-size: 15px; color: var(--text-primary); }
        .review-tag { font-size: 12px; color: var(--text-muted); }
        .review-text { font-size: 14.5px; color: var(--text-secondary); line-height: 1.8; }

        /* ============ 合作伙伴标签 ============ */
        .partners-section { padding: 48px 0; background: var(--bg-container); }
        .partners-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 12px; margin-top: 20px;
        }
        .partner-chip {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 14px 12px; text-align: center;
            font-weight: 600; font-size: 14px; color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .partner-chip:hover { border-color: var(--brand); color: var(--brand); background: var(--bg-card-hover); }

        /* ============ FAQ ============ */
        .faq-section { padding: 48px 0; }
        .faq-list { max-width: 800px; margin: 20px auto 0; display: flex; flex-direction: column; gap: 10px; }
        .faq-item {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: 12px; overflow: hidden; transition: var(--transition-base);
        }
        .faq-item.open { border-color: var(--accent); }
        .faq-item:hover { background: var(--bg-card-hover); }
        .faq-question {
            width: 100%; display: flex; align-items: center; justify-content: space-between;
            padding: 18px 20px; text-align: left; font-weight: 700; font-size: 15.5px;
            color: var(--text-primary); gap: 12px;
        }
        .faq-item.open .faq-question { color: var(--brand); }
        .faq-icon {
            flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px;
            display: flex; align-items: center; justify-content: center;
            background: var(--bg-input); border: 1px solid var(--border);
            font-size: 14px; transition: var(--transition-base);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); color: var(--brand); }
        .faq-answer {
            padding: 0 20px 18px; font-size: 14.5px; color: var(--text-secondary);
            line-height: 1.8; display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ============ CTA ============ */
        .cta-section { padding: 56px 0; }
        .cta-box {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-xl); padding: 48px 40px; text-align: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover; background-position: center;
            position: relative; overflow: hidden;
        }
        .cta-box::before {
            content: ''; position: absolute; inset: 0;
            background: rgba(11, 14, 17, 0.88);
        }
        .cta-box > * { position: relative; z-index: 1; }
        .cta-box h2 { font-size: 32px; font-weight: 900; margin-bottom: 12px; color: var(--text-primary); }
        .cta-box p { font-size: 16px; color: var(--text-secondary); max-width: 560px; margin: 0 auto 24px; }
        .cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
        .btn-primary {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 14px 32px; border-radius: 999px; background: var(--brand);
            color: var(--bg-page); font-weight: 800; font-size: 15px;
            transition: var(--transition-smooth);
        }
        .btn-primary:hover { background: var(--brand-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(163, 230, 53, 0.3); }
        .btn-secondary {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 14px 32px; border-radius: 999px; background: transparent;
            color: var(--text-primary); font-weight: 800; font-size: 15px;
            border: 1px solid var(--border);
            transition: var(--transition-smooth);
        }
        .btn-secondary:hover { border-color: var(--accent); color: #fff; background: rgba(139, 92, 246, 0.08); }

        /* ============ 页脚 ============ */
        .site-footer {
            border-top: 1px solid var(--border); background: var(--bg-container);
            padding: 48px 0 24px; margin-top: 32px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-top: 8px; max-width: 320px; }
        .footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
        .footer-col a { display: block; font-size: 14px; color: var(--text-secondary); padding: 4px 0; }
        .footer-col a:hover { color: var(--brand); }
        .footer-bottom {
            border-top: 1px solid var(--border); padding-top: 20px;
            display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
            font-size: 12.5px; color: var(--text-muted);
        }
        .footer-links { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
        .footer-links a { color: var(--text-secondary); }
        .footer-links a:hover { color: var(--brand); }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .brand-intro-grid { grid-template-columns: 1fr; gap: 24px; }
            .rank-hero h1 { font-size: 34px; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-actions .nav-join-btn { display: none; }
            .hamburger { display: inline-flex; }
            .rank-hero h1 { font-size: 28px; }
            .rank-hero p { font-size: 15px; }
            .rank-item { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
            .rank-number { width: 36px; font-size: 24px; }
            .rank-item:nth-child(-n+3) .rank-number { font-size: 28px; }
            .rank-cover { width: 56px; height: 56px; }
            .rank-meta { flex-direction: row; align-items: center; min-width: auto; width: 100%; justify-content: space-between; }
            .rank-info h3 { font-size: 15px; }
            .trend-meta { display: flex; align-items: center; gap: 8px; }
            .cta-box { padding: 32px 20px; }
            .cta-box h2 { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { flex-direction: column; }
            .section-title { font-size: 24px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .rank-hero-stats { gap: 8px; }
            .rank-stat-chip { min-width: 100px; padding: 10px 14px; }
            .rank-stat-chip .stat-num { font-size: 20px; }
            .rank-tab { padding: 8px 16px; font-size: 13px; }
            .reviews-grid { grid-template-columns: 1fr; }
            .trend-grid { grid-template-columns: 1fr; }
            .partners-grid { grid-template-columns: repeat(2, 1fr); }
            .rank-number { width: 30px; font-size: 20px; }
            .rank-item:nth-child(-n+3) .rank-number { font-size: 24px; }
        }

        .section-title {
            font-size: 28px; font-weight: 800; letter-spacing: -0.01em;
            color: var(--text-primary); margin-bottom: 6px;
        }
        .section-subtitle { font-size: 15px; color: var(--text-secondary); max-width: 600px; }

/* roulang page: category5 */
:root {
            --bg-page: #0B0E11;
            --bg-container: #12161C;
            --bg-card: #151A21;
            --bg-card-hover: #1A2028;
            --bg-input: #0B0E11;
            --brand: #A3E635;
            --brand-hover: #B8F35C;
            --accent: #8B5CF6;
            --accent-hover: #9D70F8;
            --hot: #FB7185;
            --text-primary: #F2F4F8;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --border: #2A313A;
            --border-hover: #3D4754;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-nav: 0 4px 24px rgba(0, 0, 0, 0.45);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-pad: 20px 24px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            letter-spacing: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: var(--bg-page);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
        }
        .nav-logo:hover {
            color: var(--brand);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 10px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }
        .nav-links a.active {
            color: var(--brand);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 16px;
        }
        .nav-search-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--bg-card-hover);
        }
        .nav-join-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
        }
        .nav-join-btn:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(163, 230, 53, 0.25);
        }
        .nav-join-btn:active {
            transform: scale(0.96);
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 18px;
        }
        .mobile-menu-btn:hover {
            border-color: var(--brand);
            color: var(--brand);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-page);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: block;
            padding: 16px 18px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: var(--transition-base);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand);
            border-color: var(--brand);
            background: var(--bg-card-hover);
        }
        .mobile-drawer .drawer-join-btn {
            margin-top: 16px;
            text-align: center;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            border-color: var(--brand);
        }
        .mobile-drawer .drawer-join-btn:hover {
            background: var(--brand-hover);
            color: var(--bg-page);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: var(--border-hover);
        }
        .breadcrumb .current {
            color: var(--brand);
        }
        .page-hero {
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 48px;
            position: relative;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--brand), transparent);
            opacity: 0.5;
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin: 8px 0 12px;
            color: var(--text-primary);
        }
        .page-hero h1 .highlight {
            color: var(--brand);
        }
        .page-hero .page-desc {
            font-size: 16.5px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
        }
        .section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15.5px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--card-pad);
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--brand);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .stat-card .stat-number {
            font-size: 32px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .event-timeline {
            position: relative;
        }
        .event-timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--brand), var(--accent), var(--hot));
            border-radius: 999px;
            opacity: 0.6;
        }
        .event-item {
            position: relative;
            padding-left: 56px;
            margin-bottom: 28px;
        }
        .event-item::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 12px;
            width: 15px;
            height: 15px;
            background: var(--bg-page);
            border: 3px solid var(--brand);
            border-radius: 50%;
            z-index: 1;
        }
        .event-item.status-ongoing::before {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.25);
        }
        .event-item.status-recruiting::before {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(163, 230, 53, 0.2);
        }
        .event-item.status-upcoming::before {
            border-color: var(--hot);
            box-shadow: 0 0 0 4px rgba(251, 113, 133, 0.2);
        }
        .event-item.status-ended::before {
            border-color: var(--text-muted);
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: var(--transition-base);
            flex-wrap: wrap;
        }
        .event-card:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .event-card .event-thumb {
            width: 140px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }
        .event-card .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .event-card .event-body {
            flex: 1;
            min-width: 200px;
        }
        .event-card .event-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .event-card .event-date {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .event-card .event-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .event-card .event-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .event-card .event-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            line-height: 1.4;
        }
        .badge-brand {
            background: rgba(163, 230, 53, 0.12);
            color: var(--brand);
            border: 1px solid rgba(163, 230, 53, 0.3);
        }
        .badge-accent {
            background: rgba(139, 92, 246, 0.12);
            color: var(--accent);
            border: 1px solid rgba(139, 92, 246, 0.3);
        }
        .badge-hot {
            background: rgba(251, 113, 133, 0.12);
            color: var(--hot);
            border: 1px solid rgba(251, 113, 133, 0.3);
        }
        .badge-muted {
            background: rgba(107, 114, 128, 0.15);
            color: var(--text-muted);
            border: 1px solid rgba(107, 114, 128, 0.3);
        }
        .badge-info {
            background: rgba(242, 244, 248, 0.08);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 20px;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 .icon {
            color: var(--brand);
            font-size: 18px;
        }
        .topic-item {
            display: block;
            padding: 12px 14px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            transition: var(--transition-base);
        }
        .topic-item:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .topic-item .topic-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .topic-item .topic-meta {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .calendar-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            align-items: center;
        }
        .calendar-item:last-child {
            border-bottom: none;
        }
        .calendar-item .cal-day {
            width: 48px;
            height: 48px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .calendar-item .cal-day .day-name {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 600;
        }
        .calendar-item .cal-day .day-num {
            font-size: 20px;
            font-weight: 900;
            color: var(--brand);
            line-height: 1.2;
        }
        .calendar-item .cal-info .cal-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .calendar-item .cal-info .cal-desc {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .feature-card:hover {
            border-color: var(--brand);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .feature-card .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 8px;
        }
        .feature-card .feature-icon.icon-green {
            background: rgba(163, 230, 53, 0.12);
            color: var(--brand);
        }
        .feature-card .feature-icon.icon-purple {
            background: rgba(139, 92, 246, 0.12);
            color: var(--accent);
        }
        .feature-card .feature-icon.icon-pink {
            background: rgba(251, 113, 133, 0.12);
            color: var(--hot);
        }
        .feature-card .feature-icon.icon-gray {
            background: rgba(156, 163, 175, 0.12);
            color: var(--text-secondary);
        }
        .feature-card .feature-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .feature-card .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .player-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            gap: 14px;
            align-items: center;
            transition: var(--transition-base);
        }
        .player-card:hover {
            border-color: var(--brand);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-card);
        }
        .player-card .avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: var(--bg-page);
            flex-shrink: 0;
        }
        .player-card .player-info .player-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .player-card .player-info .player-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            background: var(--bg-card-hover);
        }
        .faq-item.active {
            border-color: var(--accent);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 12px;
            user-select: none;
            transition: var(--transition-base);
        }
        .faq-item .faq-question:hover {
            color: var(--brand);
        }
        .faq-item.active .faq-question {
            color: var(--brand);
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            border-color: var(--brand);
            color: var(--brand);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.8;
        }
        .faq-item .faq-answer-inner {
            padding: 0 20px 18px;
        }
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(163, 230, 53, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            right: -20%;
            width: 60%;
            height: 180%;
            background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.06), transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-size: 30px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--brand);
            color: var(--bg-page);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition-base);
            border: 2px solid var(--brand);
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(163, 230, 53, 0.3);
        }
        .btn-primary:active {
            transform: scale(0.96);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition-base);
            border: 2px solid var(--border);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            background: rgba(139, 92, 246, 0.08);
            transform: translateY(-3px);
        }
        .btn-secondary:active {
            transform: scale(0.96);
        }
        .site-footer {
            background: #080B0E;
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--brand);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12.5px;
        }
        .footer-links a {
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--brand);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav-join-btn {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section {
                padding: 32px 0;
            }
            .event-card {
                flex-direction: column;
            }
            .event-card .event-thumb {
                width: 100%;
                height: 160px;
            }
            .event-item {
                padding-left: 42px;
            }
            .event-timeline::before {
                left: 12px;
            }
            .event-item::before {
                left: 6px;
                width: 13px;
                height: 13px;
                top: 10px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section .cta-title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .stat-card .stat-number {
                font-size: 26px;
            }
            .sidebar-card {
                padding: 16px;
            }
        }