/* roulang page: index */
:root {
            --primary: #7B2FF7;
            --accent: #C6FF3D;
            --pink: #FF3CAC;
            --orange: #FF9F45;
            --gradient: linear-gradient(135deg, #7B2FF7 0%, #FF3CAC 50%, #FF9F45 100%);
            --dark-bg: #0F0B1A;
            --dark-card: #1B1526;
            --light-bg: #F6F5FA;
            --white-card: #FFFFFF;
            --text-dark: #1B1526;
            --text-muted-dark: #6F6587;
            --text-light: rgba(255, 255, 255, 0.92);
            --text-light-muted: rgba(255, 255, 255, 0.65);
            --border-dark: rgba(198, 255, 61, 0.15);
            --border-light: #E8E4F0;
            --disabled: #8C86A3;
            --shadow-card: 0 8px 30px rgba(15, 11, 26, 0.08);
            --shadow-hover: 0 16px 45px rgba(123, 47, 247, 0.30);
            --shadow-btn: 0 8px 20px rgba(198, 255, 61, 0.25);
            --radius-card: 1rem;
            --radius-btn: 2rem;
            --radius-sm: 0.75rem;
            --container-max: 1280px;
            --font-base: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        body {
            font-family: var(--font-base);
            background: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.75;
            margin: 0;
            padding-bottom: 80px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.35;
            margin: 0;
        }

        p {
            margin: 0;
        }

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

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: 72px;
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 6px 18px rgba(123, 47, 247, 0.4);
        }

        .brand-mark svg {
            width: 22px;
            height: 22px;
            fill: #fff;
        }

        .brand-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 48px;
        }

        .main-nav a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #151021;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 0 24px;
            height: 40px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: all 0.25s ease;
            border: none;
        }

        .header-cta:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(198, 255, 61, 0.35);
            color: #151021;
        }

        .header-cta:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding-top: 160px;
            padding-bottom: 96px;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(15, 11, 26, 0.92) 0%, rgba(123, 47, 247, 0.55) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 55fr 45fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 255, 61, 0.12);
            border: 1px solid rgba(198, 255, 61, 0.3);
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 20px;
        }

        .hero-badge span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            animation: pulse 1.8s infinite;
        }

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

        .hero-title {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #151021;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0 32px;
            height: 48px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            border: none;
            transition: all 0.25s ease;
        }

        .btn-main:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(198, 255, 61, 0.35);
            color: #151021;
        }

        .btn-main:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0 28px;
            height: 48px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            background: rgba(198, 255, 61, 0.06);
        }

        .hero-visual {
            position: relative;
        }

        .hero-img-wrap {
            border-radius: 1.25rem;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            position: relative;
        }

        .hero-img-wrap::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 1.25rem;
            padding: 2px;
            background: linear-gradient(135deg, #7B2FF7, #FF3CAC, #FF9F45);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            z-index: 1;
        }

        .hero-img-wrap img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .hero-float-badge {
            position: absolute;
            background: rgba(15, 11, 26, 0.9);
            border: 1px solid rgba(198, 255, 61, 0.3);
            border-radius: 1rem;
            padding: 12px 18px;
            backdrop-filter: blur(8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }

        .hero-float-badge .num {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .hero-float-badge .label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-float-badge-1 {
            top: 24px;
            right: -18px;
        }

        .hero-float-badge-2 {
            bottom: 24px;
            left: -18px;
        }

        /* ===== 数据徽章条 ===== */
        .stats-strip {
            background: var(--dark-card);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 40px 0;
        }

        .stat-item {
            text-align: center;
            padding: 16px;
        }

        .stat-num {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            display: block;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== 区块通用 ===== */
        .section-block {
            padding: 96px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-overline {
            display: inline-block;
            background: rgba(123, 47, 247, 0.15);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .section-desc {
            color: rgba(255, 255, 255, 0.65);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* ===== 功能分组 ===== */
        .features-section {
            background: var(--dark-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            position: relative;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(198, 255, 61, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-index {
            position: absolute;
            top: 20px;
            right: 24px;
            background: rgba(123, 47, 247, 0.35);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-variant-numeric: tabular-nums;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(123, 47, 247, 0.3);
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
            fill: #fff;
        }

        .feature-card h3 {
            color: #fff;
            font-size: 1.125rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            margin-bottom: 16px;
        }

        .feature-metric {
            font-size: 0.8125rem;
            color: var(--accent);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .feature-metric svg {
            width: 14px;
            height: 14px;
            fill: var(--accent);
        }

        /* ===== 使用场景 ===== */
        .scenarios-section {
            background: var(--light-bg);
        }

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

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

        .scenarios-section .section-overline {
            background: rgba(255, 60, 172, 0.1);
            color: var(--pink);
        }

        .scenario-block {
            display: grid;
            grid-template-columns: 6fr 5fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

        .scenario-block:nth-child(even) {
            grid-template-columns: 5fr 6fr;
        }

        .scenario-block:nth-child(even) .scenario-text {
            order: 2;
        }

        .scenario-block:nth-child(even) .scenario-visual {
            order: 1;
        }

        .scenario-tag {
            display: inline-block;
            background: var(--accent);
            color: #151021;
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 16px;
        }

        .scenario-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
        }

        .scenario-text p {
            color: var(--text-muted-dark);
            font-size: 0.9375rem;
            margin-bottom: 20px;
        }

        .scenario-link {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .scenario-link:hover {
            color: var(--pink);
        }

        .scenario-visual {
            position: relative;
        }

        .scenario-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 1.25rem;
            box-shadow: var(--shadow-card);
        }

        .scenario-float {
            position: absolute;
            bottom: -16px;
            right: -12px;
            background: #fff;
            border-radius: 0.75rem;
            padding: 12px 20px;
            box-shadow: 0 12px 32px rgba(15, 11, 26, 0.18);
            display: flex;
            align-items: baseline;
            gap: 8px;
        }

        .scenario-float .num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .scenario-float .label {
            font-size: 0.8125rem;
            color: var(--text-muted-dark);
        }

        /* ===== 成功案例 ===== */
        .cases-section {
            background: var(--dark-bg);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .case-card {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: 1.25rem;
            padding: 32px;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            border-color: rgba(198, 255, 61, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

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

        .case-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #fff;
            font-size: 1rem;
        }

        .case-brand h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
        }

        .case-overview {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .case-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 20px;
        }

        .case-stat {
            background: var(--light-bg);
            border-radius: 0.75rem;
            padding: 12px;
            text-align: center;
        }

        .case-stat .num {
            display: block;
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .case-stat .label {
            font-size: 0.75rem;
            color: var(--text-muted-dark);
            display: block;
            margin-top: 2px;
        }

        .case-img-wrap {
            border-radius: 0.75rem;
            overflow: hidden;
        }

        .case-img-wrap img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        /* ===== 价格/方案 ===== */
        .pricing-section {
            background: var(--light-bg);
        }

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

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

        .pricing-section .section-overline {
            background: rgba(255, 159, 69, 0.12);
            color: var(--orange);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: center;
        }

        .pricing-card {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: 1.25rem;
            padding: 36px 32px;
            position: relative;
            transition: all 0.3s ease;
        }

        .pricing-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.featured {
            background: var(--gradient);
            transform: scale(1.05);
            box-shadow: 0 20px 50px rgba(123, 47, 247, 0.35);
            border: none;
            padding: 44px 32px;
        }

        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-6px);
        }

        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #151021;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 18px;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(198, 255, 61, 0.4);
        }

        .pricing-name {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .pricing-card .pricing-price {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }

        .pricing-featured .pricing-price {
            color: #fff;
        }

        .pricing-period {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            margin-bottom: 24px;
        }

        .pricing-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .pricing-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            padding: 6px 0;
        }

        .pricing-list svg {
            width: 16px;
            height: 16px;
            fill: var(--accent);
            flex-shrink: 0;
        }

        .pricing-featured .pricing-list svg {
            fill: #fff;
        }

        .btn-price {
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 700;
            font-size: 0.875rem;
            padding: 0 24px;
            height: 42px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            background: transparent;
        }

        .btn-price:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .pricing-featured .btn-price {
            background: var(--accent);
            color: #151021;
            border: none;
            box-shadow: var(--shadow-btn);
        }

        .pricing-featured .btn-price:hover {
            background: #d6ff70;
            color: #151021;
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            background: var(--dark-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            display: block;
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(198, 255, 61, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .news-card:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

        .news-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

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

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

        .news-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 12px rgba(123, 47, 247, 0.4);
        }

        .news-body {
            padding: 20px 20px 22px;
        }

        .news-body h3 {
            color: #fff;
            font-size: 1.0625rem;
            font-weight: 700;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            min-height: 3em;
            transition: color 0.25s ease;
        }

        .news-card:hover .news-body h3 {
            color: var(--accent);
        }

        .news-body p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

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

        .news-meta time {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.8125rem;
        }

        .news-read-more {
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 600;
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed rgba(198, 255, 61, 0.3);
            border-radius: 1rem;
            padding: 80px 24px;
            text-align: center;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9375rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
        }

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

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

        .faq-section .section-overline {
            background: rgba(123, 47, 247, 0.1);
            color: var(--primary);
        }

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

        .faq-accordion {
            border-radius: 0.75rem;
            border: 1px solid var(--border-light);
            overflow: hidden;
            margin-bottom: 12px;
            background: var(--white-card);
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-item {
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-dark);
            font-size: 0.975rem;
            font-weight: 700;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: none;
            border-radius: 0 !important;
            transition: color 0.25s ease;
        }

        .faq-accordion .accordion-button::after {
            display: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.3);
            outline: none;
        }

        .faq-q {
            width: 30px;
            height: 30px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8125rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .faq-arrow {
            margin-left: auto;
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-arrow::before,
        .faq-arrow::after {
            content: "";
            position: absolute;
            background: var(--text-muted-dark);
            border-radius: 2px;
            transition: background 0.3s ease;
        }

        .faq-arrow::before {
            width: 2px;
            height: 12px;
            top: 4px;
            left: 9px;
        }

        .faq-arrow::after {
            width: 12px;
            height: 2px;
            top: 9px;
            left: 4px;
        }

        .accordion-button:not(.collapsed) .faq-arrow {
            transform: rotate(45deg);
        }

        .accordion-button:not(.collapsed) .faq-arrow::before,
        .accordion-button:not(.collapsed) .faq-arrow::after {
            background: var(--primary);
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 22px 68px;
            color: var(--text-muted-dark);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: var(--gradient);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #151021;
            font-weight: 800;
            font-size: 0.95rem;
            padding: 0 36px;
            height: 50px;
            border-radius: var(--radius-btn);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: all 0.25s ease;
            border: none;
        }

        .btn-cta:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            color: #151021;
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0 32px;
            height: 50px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            background: transparent;
        }

        .btn-cta-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .brand-footer {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }

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

        .footer-social svg {
            width: 16px;
            height: 16px;
            fill: #fff;
        }

        .footer-title {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 800;
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: color 0.25s ease;
        }

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

        .footer-subscribe form {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            height: 44px;
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            padding: 0 18px;
            color: #fff;
            font-size: 0.875rem;
            transition: all 0.25s ease;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
        }

        .footer-subscribe button {
            background: var(--accent);
            color: #151021;
            border: none;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .footer-subscribe button:hover {
            background: #d6ff70;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8125rem;
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            display: none;
            background: var(--dark-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: 64px;
        }

        .mobile-tab-nav {
            display: flex;
            align-items: center;
            height: 100%;
        }

        .mobile-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 10px;
            font-weight: 600;
            height: 100%;
            transition: all 0.25s ease;
        }

        .mobile-tab a svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .mobile-tab a.active {
            background: rgba(123, 47, 247, 0.25);
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hero-grid {
                gap: 32px;
            }

            .cases-grid {
                gap: 20px;
            }
        }

        @media (max-width: 991.98px) {
            .section-block {
                padding: 72px 0;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .hero-float-badge-1 {
                right: 12px;
            }

            .hero-float-badge-2 {
                left: 12px;
            }

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

            .scenario-block,
            .scenario-block:nth-child(even) {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .scenario-block:nth-child(even) .scenario-text {
                order: 1;
            }

            .scenario-block:nth-child(even) .scenario-visual {
                order: 2;
            }

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

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 440px;
                margin: 0 auto;
            }

            .pricing-card.featured {
                transform: scale(1);
            }

            .pricing-card.featured:hover {
                transform: translateY(-6px);
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .site-header {
                height: 64px;
            }

            .navbar-wrapper {
                height: 64px;
            }

            .main-nav {
                display: none;
            }

            .header-cta {
                font-size: 0.8125rem;
                padding: 0 18px;
                height: 36px;
            }

            .hero-section {
                padding-top: 120px;
                padding-bottom: 64px;
            }

            .hero-img-wrap img {
                height: 260px;
            }

            .hero-float-badge .num {
                font-size: 1.1rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px 0;
            }

            .section-block {
                padding: 60px 0;
            }

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

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

            .case-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .case-card {
                padding: 24px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .mobile-tab {
                display: block;
            }

            body {
                padding-bottom: 80px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 0.95rem;
            }

            .hero-title {
                font-size: 1.75rem;
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

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

            .hero-actions .btn-main,
            .hero-actions .btn-ghost {
                justify-content: center;
                width: 100%;
            }

            .scenario-visual img {
                height: 220px;
            }

            .scenario-float {
                right: 6px;
                padding: 10px 14px;
            }

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

            .footer-subscribe button {
                width: 100%;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --primary: #7B2FF7;
            --accent: #C6FF3D;
            --pink: #FF3CAC;
            --orange: #FF9F45;
            --dark: #0F0B1A;
            --dark-card: #1B1526;
            --light-bg: #F6F5FA;
            --white: #FFFFFF;
            --text-dark: #1B1526;
            --text-muted: #6F6587;
            --text-on-dark: rgba(255, 255, 255, 0.92);
            --text-on-dark-muted: rgba(255, 255, 255, 0.65);
            --border-light: #E8E4F0;
            --border-dark: rgba(198, 255, 61, 0.15);
            --disabled: #8C86A3;
            --radius-xl: 1.25rem;
            --radius-lg: 1rem;
            --radius-sm: 0.75rem;
            --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 45px rgba(123, 47, 247, 0.30);
            --shadow-light: 0 8px 30px rgba(15, 11, 26, 0.08);
            --gradient-brand: linear-gradient(135deg, #7B2FF7 0%, #FF3CAC 60%, #FF9F45 100%);
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --section-gap-mobile: 60px;
            --section-gap-desktop: 96px;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
            padding-bottom: 64px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
        }

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

        button,
        input {
            font-family: var(--font-stack);
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: 0.02em;
        }

        p {
            margin: 0;
        }

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

        /* ========== 容器 ========== */
        .custom-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            height: 72px;
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
        }

        .brand-mark svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .brand-text {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 28px;
            height: 72px;
        }

        .main-nav a {
            position: relative;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-on-dark-muted);
            padding: 22px 0;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 18px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0);
            transition: opacity 0.25s, transform 0.25s;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
        }

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

        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--dark);
            font-weight: 700;
            font-size: 0.9375rem;
            white-space: nowrap;
            box-shadow: 0 8px 20px rgba(198, 255, 61, 0.25);
            transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
        }

        .header-cta:hover {
            background: #d4ff70;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(198, 255, 61, 0.35);
            color: var(--dark);
        }

        .header-cta:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
        }

        /* ========== 移动端底部 Tab ========== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 64px;
            background: var(--dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: none;
        }

        .mobile-tabbar .tab-list {
            display: flex;
            height: 64px;
        }

        .mobile-tabbar .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            color: var(--text-on-dark-muted);
            font-size: 10px;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }

        .mobile-tabbar .tab-item svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .mobile-tabbar .tab-item.active,
        .mobile-tabbar .tab-item:hover {
            background: rgba(123, 47, 247, 0.25);
            color: var(--accent);
        }

        @media (max-width: 767px) {
            .main-nav {
                display: none;
            }
            .mobile-tabbar {
                display: block;
            }
            body {
                padding-bottom: 64px;
            }
        }

        /* ========== 文章头部区 ========== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 72px 0 56px;
            color: var(--white);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 11, 26, 0.94) 0%, rgba(123, 47, 247, 0.72) 100%);
        }

        .article-hero .custom-container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 20px;
        }

        .breadcrumb-nav a {
            color: var(--text-on-dark-muted);
        }

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

        .breadcrumb-nav .sep {
            opacity: 0.5;
        }

        .breadcrumb-nav .current {
            color: var(--accent);
            max-width: 180px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 2rem;
            background: rgba(198, 255, 61, 0.15);
            border: 1px solid rgba(198, 255, 61, 0.3);
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .article-hero h1 {
            font-size: clamp(1.625rem, 3.5vw, 2.5rem);
            font-weight: 900;
            line-height: 1.3;
            max-width: 860px;
            margin-bottom: 16px;
            color: var(--white);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.875rem;
            color: var(--text-on-dark-muted);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-dot::before {
            content: "·";
            margin-right: 4px;
            opacity: 0.6;
        }

        .article-meta svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
            opacity: 0.7;
        }

        /* ========== 正文阅读区 ========== */
        .article-main {
            padding: 64px 0 80px;
            background: var(--light-bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .article-body-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-light);
            padding: 40px 48px;
            min-height: 320px;
        }

        .article-body-card .cms-content {
            font-size: 0.9375rem;
            line-height: 1.75;
            color: var(--text-dark);
        }

        .article-body-card .cms-content > *:first-child {
            margin-top: 0;
        }

        .article-body-card .cms-content p {
            margin-bottom: 1.2rem;
        }

        .article-body-card .cms-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-light);
        }

        .article-body-card .cms-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 2rem 0 0.8rem;
        }

        .article-body-card .cms-content img {
            width: 100%;
            border-radius: var(--radius-lg);
            margin: 1.5rem 0;
        }

        .article-body-card .cms-content blockquote {
            margin: 1.5rem 0;
            padding: 1rem 1.5rem;
            border-left: 4px solid var(--primary);
            background: rgba(123, 47, 247, 0.06);
            border-radius: 0 0.75rem 0.75rem 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-body-card .cms-content ul {
            list-style: disc;
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-body-card .cms-content ol {
            list-style: decimal;
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-body-card .cms-content li {
            margin-bottom: 0.4rem;
        }

        .article-body-card .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.875rem;
        }

        .article-body-card .cms-content th,
        .article-body-card .cms-content td {
            padding: 10px 14px;
            border: 1px solid var(--border-light);
            text-align: left;
        }

        .article-body-card .cms-content th {
            background: rgba(123, 47, 247, 0.08);
            font-weight: 700;
        }

        .article-body-card .cms-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(123, 47, 247, 0.3);
        }

        .article-body-card .cms-content a:hover {
            color: var(--pink);
            border-color: var(--pink);
        }

        .article-body-card .cms-content code {
            background: var(--light-bg);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.875em;
        }

        /* 内容未找到 */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-box .nf-code {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .not-found-box p {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: 2rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: background 0.25s, transform 0.25s;
        }

        .not-found-box .btn-back:hover {
            background: #9541ff;
            transform: translateY(-2px);
        }

        /* ========== 侧边栏 ========== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-light);
            padding: 24px;
        }

        .sidebar-card .sidebar-title {
            font-size: 1.0625rem;
            font-weight: 800;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            position: relative;
        }

        .sidebar-card .sidebar-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 44px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .hot-post-list li + li {
            border-top: 1px solid var(--border-light);
        }

        .hot-post-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
        }

        .hot-post-item .thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .hot-post-item .info {
            min-width: 0;
        }

        .hot-post-item .title {
            font-size: 0.875rem;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 2px;
        }

        .hot-post-item .title a:hover {
            color: var(--primary);
        }

        .hot-post-item .time {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .sidebar-dashed {
            border: 2px dashed var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            background: rgba(255, 255, 255, 0.5);
        }

        .sidebar-dashed .dash-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(123, 47, 247, 0.1);
            margin-bottom: 10px;
        }

        .sidebar-dashed .dash-icon svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }

        .sidebar-dashed p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .sidebar-dashed .dash-btn {
            font-size: 0.8125rem;
            color: var(--primary);
            font-weight: 600;
        }

        .sidebar-dashed .dash-btn:hover {
            color: var(--pink);
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 80px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .related-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(123, 47, 247, 0.2);
            filter: blur(60px);
        }

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 900;
            color: var(--white);
        }

        .section-header .section-sub {
            color: var(--text-on-dark-muted);
            font-size: 0.9375rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-dark);
            box-shadow: var(--shadow-hover);
        }

        .related-card .card-cover {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

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

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

        .related-card .card-cover .cat-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 2rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
        }

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

        .related-card .card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--white);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body h3 a:hover {
            color: var(--accent);
        }

        .related-card .card-body .summary {
            font-size: 0.8125rem;
            color: var(--text-on-dark-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body .bottom-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-on-dark-muted);
        }

        .related-card .card-body .read-link {
            color: var(--accent);
            font-weight: 600;
        }

        .related-card .card-body .read-link:hover {
            color: #d4ff70;
        }

        .related-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 32px;
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 600;
            transition: gap 0.25s;
        }

        .related-footer-link:hover {
            gap: 10px;
            color: #d4ff70;
        }

        /* ========== CTA 条 ========== */
        .cta-banner {
            padding: 72px 0;
            background: var(--gradient-brand);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 40%);
        }

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

        .cta-banner h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 900;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 0.9375rem;
            opacity: 0.9;
            margin-bottom: 28px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 36px;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--dark);
            font-weight: 800;
            font-size: 0.9375rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
        }

        .btn-accent:hover {
            background: #d4ff70;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, 0.25);
            color: var(--dark);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            color: var(--text-on-dark-muted);
            padding: 72px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-footer .brand-text {
            font-size: 1.0625rem;
        }

        .footer-brand p {
            font-size: 0.8125rem;
            line-height: 1.7;
            color: var(--text-on-dark-muted);
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            transition: background 0.25s, transform 0.25s;
        }

        .footer-social a svg {
            width: 16px;
            height: 16px;
            fill: var(--text-on-dark-muted);
            transition: fill 0.25s;
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }

        .footer-social a:hover svg {
            fill: #fff;
        }

        .footer-title {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
        }

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

        .footer-links a {
            font-size: 0.875rem;
            color: var(--text-on-dark-muted);
            transition: color 0.25s, padding-left 0.25s;
        }

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

        .newsletter-form {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .newsletter-form input {
            flex: 1;
            height: 44px;
            padding: 0 18px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 2rem;
            background: var(--dark-card);
            color: var(--white);
            font-size: 0.875rem;
            outline: none;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .newsletter-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
        }

        .newsletter-form .btn-submit {
            height: 44px;
            padding: 0 20px;
            border: none;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--dark);
            font-weight: 700;
            font-size: 0.875rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.25s;
        }

        .newsletter-form .btn-submit:hover {
            background: #d4ff70;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            font-size: 0.8125rem;
            color: var(--text-on-dark-muted);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1199px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .article-hero {
                padding: 48px 0 40px;
            }
            .article-main {
                padding: 48px 0 60px;
            }
            .article-body-card {
                padding: 28px 20px;
            }
            .related-section {
                padding: 56px 0;
            }
            .cta-banner {
                padding: 56px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 575px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                gap: 8px;
                font-size: 0.8125rem;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== Bootstrap 覆盖 ========== */
        .btn {
            border-radius: 2rem;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(123, 47, 247, 0.06);
            color: var(--primary);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #7B2FF7;
            --primary-dark: #5A1FC0;
            --accent: #C6FF3D;
            --magenta: #FF3CAC;
            --orange: #FF9F45;
            --bg-dark: #0F0B1A;
            --card-dark: #1B1526;
            --bg-light: #F6F5FA;
            --card-light: #FFFFFF;
            --text-dark: #1B1526;
            --text-on-dark: rgba(255, 255, 255, 0.92);
            --text-secondary-dark: rgba(255, 255, 255, 0.65);
            --text-secondary-light: #6F6587;
            --border-dark: rgba(198, 255, 61, 0.15);
            --border-light: #E8E4F0;
            --disabled: #8C86A3;
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --radius-lg: 1.25rem;
            --radius-md: 1rem;
            --radius-sm: 0.75rem;
            --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 45px rgba(123, 47, 247, 0.30);
            --shadow-light: 0 8px 30px rgba(15, 11, 26, 0.08);
            --shadow-accent: 0 8px 20px rgba(198, 255, 61, 0.25);
            --gradient-brand: linear-gradient(135deg, #7B2FF7 0%, #FF3CAC 50%, #FF9F45 100%);
            --container-max: 1280px;
            --header-height: 72px;
            --section-space: 96px;
            --section-space-mobile: 60px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-dark);
            color: var(--text-on-dark);
            line-height: 1.75;
            padding-bottom: 80px;
            -webkit-font-smoothing: antialiased;
        }

        @media (min-width: 992px) {
            body {
                padding-bottom: 0;
            }
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .brand-mark svg {
            width: 20px;
            height: 20px;
            fill: #fff;
        }

        .brand-text {
            font-size: 1.125rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            position: relative;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 6px 0;
            transition: color 0.3s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .main-nav a:hover::after,
        .main-nav a:focus-visible::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-cta {
            display: none;
            height: 40px;
            padding: 0 24px;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 0.875rem;
            font-weight: 700;
            line-height: 40px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(198, 255, 61, 0.35);
            color: var(--bg-dark);
        }

        .header-cta:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
        }

        @media (min-width: 992px) {
            .main-nav {
                display: flex;
            }
            .header-cta {
                display: inline-block;
            }
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: stretch;
        }

        @media (min-width: 992px) {
            .mobile-tabbar {
                display: none;
            }
        }

        .mobile-tab {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.25s ease;
        }

        .mobile-tab svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .mobile-tab span {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        .mobile-tab.active {
            background: rgba(123, 47, 247, 0.25);
            color: var(--accent);
        }

        .mobile-tab:hover {
            color: var(--accent);
        }

        .mobile-tab:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 100px;
            background-image: linear-gradient(rgba(15, 11, 26, 0.92), rgba(123, 47, 247, 0.55)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cat-hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .category-hero p {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
            margin: 0 auto;
        }

        /* ===== 通用区块标题 ===== */
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 2rem;
            background: rgba(123, 47, 247, 0.2);
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-secondary-dark);
            font-size: 0.9375rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== 分类内容大卡（交替排列） ===== */
        .category-list-section {
            padding: var(--section-space-mobile) 0;
            background: var(--bg-dark);
        }

        @media (min-width: 768px) {
            .category-list-section {
                padding: var(--section-space) 0;
            }
        }

        .content-row {
            padding: 28px;
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            margin-bottom: 28px;
            transition: all 0.35s ease;
            overflow: hidden;
        }

        .content-row:last-child {
            margin-bottom: 0;
        }

        .content-row:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 255, 61, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .content-media {
            position: relative;
            border-radius: 1rem;
            overflow: hidden;
            height: 100%;
            min-height: 220px;
        }

        .content-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .content-row:hover .content-media img {
            transform: scale(1.03);
        }

        .media-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 2rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
        }

        .content-body {
            padding: 12px 4px 4px;
        }

        .tag-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 2rem;
            background: rgba(123, 47, 247, 0.25);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .content-body h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .content-body p {
            color: var(--text-secondary-dark);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .content-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .content-meta span {
            padding: 4px 12px;
            border-radius: 2rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.75rem;
            font-weight: 500;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .text-link svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
            transition: transform 0.3s ease;
        }

        .text-link:hover {
            color: #d6ff70;
            gap: 10px;
        }

        .text-link:hover svg {
            transform: translateX(2px);
        }

        .text-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }

        @media (min-width: 768px) {
            .content-body {
                padding: 16px 12px;
            }
            .content-body h3 {
                font-size: 1.375rem;
            }
        }

        @media (min-width: 992px) {
            .content-row {
                padding: 32px;
            }
            .content-body {
                padding: 8px 28px 8px 12px;
            }
            .row-flip .content-media-col {
                order: 2;
            }
            .row-flip .content-body-col {
                order: 1;
            }
            .row-flip .content-body {
                padding: 8px 12px 8px 28px;
            }
        }

        /* ===== 类似推荐 ===== */
        .related-section {
            padding: var(--section-space-mobile) 0;
            background: #141021;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        @media (min-width: 768px) {
            .related-section {
                padding: var(--section-space) 0;
            }
        }

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

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1200px) {
            .related-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .related-card {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            display: block;
        }

        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(198, 255, 61, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .related-card:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .card-cover {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--primary-dark);
        }

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

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 3px 12px;
            border-radius: 2rem;
            font-size: 0.7rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }

        .related-card .card-body {
            padding: 18px 18px 8px;
        }

        .related-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-desc {
            color: var(--text-secondary-dark);
            font-size: 0.8125rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .related-card .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 18px 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .card-time {
            color: var(--text-secondary-dark);
            font-size: 0.75rem;
        }

        .card-more {
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-more svg {
            width: 14px;
            height: 14px;
            fill: currentColor;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-space-mobile) 0;
            background: var(--bg-dark);
        }

        @media (min-width: 768px) {
            .faq-section {
                padding: var(--section-space) 0;
            }
        }

        .faq-inner {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion {
            --bs-accordion-bg: var(--card-dark);
            --bs-accordion-color: var(--text-on-dark);
            --bs-accordion-border-color: var(--border-dark);
            --bs-accordion-btn-color: var(--text-on-dark);
            --bs-accordion-btn-bg: var(--card-dark);
            --bs-accordion-active-color: var(--accent);
            --bs-accordion-active-bg: rgba(123, 47, 247, 0.15);
            --bs-accordion-border-radius: 0.75rem;
            --bs-accordion-inner-border-radius: 0.75rem;
            --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
            --bs-accordion-btn-icon-width: 0;
            --bs-accordion-btn-active-icon: none;
        }

        .accordion-item {
            background: var(--card-dark);
            border: 1px solid rgba(198, 255, 61, 0.15);
            border-radius: 0.75rem !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

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

        .accordion-button {
            background: var(--card-dark);
            color: var(--text-on-dark);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            position: relative;
            border: none;
        }

        .accordion-button:hover {
            background: rgba(123, 47, 247, 0.1);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(123, 47, 247, 0.15);
            color: var(--accent);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
            border-color: rgba(198, 255, 61, 0.4);
        }

        .faq-q-badge {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .accordion-button:not(.collapsed) .faq-q-badge {
            background: var(--accent);
            color: var(--bg-dark);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C6FF3D'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
            background-size: 16px 16px;
            transition: transform 0.3s ease;
            width: 16px;
            height: 16px;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C6FF3D'%3E%3Cpath d='M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8z'/%3E%3C/svg%3E");
            transform: rotate(0deg);
        }

        .accordion-body {
            color: var(--text-secondary-dark);
            font-size: 0.875rem;
            line-height: 1.75;
            padding: 0 24px 20px 64px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 575.98px) {
            .accordion-body {
                padding: 0 18px 18px 56px;
            }
            .accordion-button {
                padding: 18px 18px;
            }
        }

        /* ===== CTA 条 ===== */
        .cta-section {
            padding: 76px 0;
            background: var(--gradient-brand);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }

        .cta-inner {
            position: relative;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
            margin-bottom: 28px;
        }

        .btn-accent {
            display: inline-block;
            height: 48px;
            padding: 0 36px;
            border-radius: 2rem;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 0.9375rem;
            font-weight: 700;
            line-height: 48px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-accent);
            border: none;
            cursor: pointer;
        }

        .btn-accent:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(198, 255, 61, 0.4);
            color: var(--bg-dark);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 72px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1200px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            }
        }

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

        .footer-brand p {
            color: var(--text-secondary-dark);
            font-size: 0.875rem;
            line-height: 1.75;
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .footer-social a svg {
            width: 16px;
            height: 16px;
            fill: rgba(255, 255, 255, 0.65);
            transition: fill 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }

        .footer-social a:hover svg {
            fill: var(--bg-dark);
        }

        .footer-social a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .footer-title {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-links a {
            color: var(--text-secondary-dark);
            font-size: 0.875rem;
            transition: color 0.3s ease;
        }

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

        .footer-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-newsletter p {
            color: var(--text-secondary-dark);
            font-size: 0.8125rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .newsletter-form {
            display: flex;
            gap: 8px;
        }

        .newsletter-input {
            flex: 1;
            height: 44px;
            border-radius: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: var(--card-dark);
            color: #fff;
            padding: 0 18px;
            font-size: 0.875rem;
            transition: all 0.3s ease;
        }

        .newsletter-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .newsletter-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
        }

        .newsletter-btn {
            height: 44px;
            padding: 0 20px;
            border-radius: 2rem;
            border: none;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 0.8125rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .newsletter-btn:hover {
            background: #d6ff70;
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        .newsletter-btn:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-secondary-dark);
            font-size: 0.8125rem;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 1rem;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                border-radius: 10px;
            }
            .category-hero {
                padding: 130px 0 70px;
            }
            .content-row {
                padding: 20px;
            }
            .content-body h3 {
                font-size: 1.125rem;
            }
            .newsletter-form {
                flex-direction: column;
                gap: 10px;
            }
            .newsletter-btn {
                width: 100%;
            }
            .footer-grid {
                gap: 32px;
            }
        }

        @media (min-width: 576px) and (max-width: 767.98px) {
            .newsletter-form {
                flex-direction: column;
            }
            .newsletter-btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7B2FF7;
            --primary-light: #9B5FF9;
            --accent: #C6FF3D;
            --accent-hover: #D8FF70;
            --magenta: #FF3CAC;
            --orange: #FF9F45;
            --dark-bg: #0F0B1A;
            --dark-card: #1B1526;
            --dark-card-hover: #221A30;
            --light-bg: #F6F5FA;
            --white: #FFFFFF;
            --text-main: #1B1526;
            --text-muted: #6F6587;
            --text-dark-main: rgba(255, 255, 255, 0.92);
            --text-dark-muted: rgba(255, 255, 255, 0.65);
            --border-dark: rgba(198, 255, 61, 0.15);
            --border-light: #E8E4F0;
            --disabled: #8C86A3;
            --radius-sm: 0.75rem;
            --radius: 1rem;
            --radius-lg: 1.25rem;
            --radius-pill: 2rem;
            --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 45px rgba(123, 47, 247, 0.30);
            --shadow-light: 0 8px 30px rgba(15, 11, 26, 0.08);
            --shadow-accent: 0 8px 20px rgba(198, 255, 61, 0.25);
            --gradient-brand: linear-gradient(135deg, #7B2FF7, #FF3CAC, #FF9F45);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --header-h: 72px;
            --tab-h: 64px;
            --spacer-mobile: 60px;
            --spacer-desktop: 96px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font);
            background: var(--dark-bg);
            color: var(--text-dark-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            padding-bottom: var(--tab-h);
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(198, 255, 61, 0.5);
            outline-offset: 2px;
        }
        p {
            margin: 0 0 1rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin: 0 0 0.75rem;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
        }

        /* ===== 容器 ===== */
        .custom-container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 通用按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.9375rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: #1B1526;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            color: #1B1526;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(198, 255, 61, 0.35);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(198, 255, 61, 0.25);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-dark-main);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(198, 255, 61, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1040;
        }
        .navbar-wrapper {
            display: flex;
            align-items: center;
            height: 100%;
            gap: 24px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .brand-mark svg {
            width: 20px;
            height: 20px;
            fill: #fff;
        }
        .brand-text {
            font-weight: 800;
            font-size: 1.125rem;
            color: var(--white);
            letter-spacing: 0.02em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
        }
        .main-nav a {
            color: var(--text-dark-muted);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--accent);
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 8px 22px;
            background: var(--accent);
            color: #1B1526;
            font-weight: 700;
            font-size: 0.875rem;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--accent-hover);
            color: #1B1526;
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(198, 255, 61, 0.35);
        }

        /* ===== 移动端底部Tab ===== */
        .mobile-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--tab-h);
            background: var(--dark-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            z-index: 1040;
            display: none;
        }
        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: var(--text-dark-muted);
            font-size: 0.625rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }
        .tab-item svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }
        .tab-item:hover {
            color: var(--accent);
            background: rgba(123, 47, 247, 0.15);
        }
        .tab-item.active {
            background: rgba(123, 47, 247, 0.25);
            color: var(--accent);
        }

        /* ===== 分类Hero ===== */
        .category-hero {
            position: relative;
            padding: calc(var(--header-h) + 64px) 0 72px;
            background: linear-gradient(135deg, rgba(15, 11, 26, 0.94) 0%, rgba(123, 47, 247, 0.72) 60%, rgba(255, 60, 172, 0.4) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(123, 47, 247, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }
        .category-hero .custom-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-dark-muted);
            margin-bottom: 20px;
        }
        .hero-breadcrumb a {
            color: var(--text-dark-muted);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent);
        }
        .hero-breadcrumb .sep {
            opacity: 0.5;
        }
        .hero-breadcrumb .current {
            color: var(--accent);
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 900;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .category-hero h1 span {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: clamp(1rem, 1.5vw, 1.125rem);
            color: var(--text-dark-muted);
            margin-bottom: 20px;
            font-weight: 500;
        }
        .hero-desc {
            color: var(--text-dark-muted);
            max-width: 520px;
            margin-bottom: 36px;
            font-size: 0.9375rem;
            line-height: 1.75;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
        }
        .hero-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid transparent;
            background: linear-gradient(var(--dark-card), var(--dark-card)) padding-box, var(--gradient-brand) border-box;
            box-shadow: var(--shadow-dark);
        }
        .hero-card img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .hero-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 11, 26, 0.6) 100%);
        }
        .float-badge {
            position: absolute;
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            box-shadow: var(--shadow-dark);
            z-index: 3;
        }
        .float-badge .num {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .float-badge .label {
            font-size: 0.75rem;
            color: var(--text-dark-muted);
            margin-top: 2px;
        }
        .float-badge-1 {
            top: 24px;
            left: -18px;
        }
        .float-badge-2 {
            bottom: 24px;
            right: -14px;
        }

        /* ===== 数据徽章条 ===== */
        .stats-bar {
            background: var(--dark-card);
            border-bottom: 1px solid var(--border-dark);
            padding: 36px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 8px;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-item .label {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacer-mobile) 0;
        }
        .section-dark {
            background: var(--dark-bg);
        }
        .section-card {
            background: var(--dark-card);
        }
        .section-light {
            background: var(--light-bg);
            color: var(--text-main);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 0.9375rem;
        }
        .section-head .eyebrow {
            display: inline-block;
            background: rgba(123, 47, 247, 0.12);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .section-light .section-head h2 {
            color: var(--text-main);
        }
        .section-light .section-head p {
            color: var(--text-muted);
        }

        /* ===== 内容大卡（左图右文交错） ===== */
        .feature-blocks {
            padding: var(--spacer-mobile) 0;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 72px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-row.row-reverse {
            direction: rtl;
        }
        .feature-row.row-reverse>* {
            direction: ltr;
        }
        .feature-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }
        .feature-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-media:hover img {
            transform: scale(1.03);
        }
        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 11, 26, 0.35) 100%);
            pointer-events: none;
        }
        .feature-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 12px rgba(123, 47, 247, 0.3);
        }
        .feature-content {
            padding: 24px 0;
        }
        .feature-content h3 {
            font-size: 1.375rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-dark-main);
        }
        .feature-content p {
            color: var(--text-dark-muted);
            font-size: 0.9375rem;
            margin-bottom: 20px;
        }
        .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .feature-meta .badge-tag {
            background: rgba(123, 47, 247, 0.2);
            color: #b79aff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(123, 47, 247, 0.3);
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.875rem;
        }
        .feature-link svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
            transition: transform var(--transition);
        }
        .feature-link:hover {
            color: var(--accent-hover);
        }
        .feature-link:hover svg {
            transform: translateX(4px);
        }

        /* ===== 流程区 ===== */
        .process-section {
            background: var(--dark-card);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
            padding: var(--spacer-mobile) 0;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .process-step {
            text-align: center;
            padding: 28px 16px;
            background: var(--dark-bg);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .process-step:hover {
            border-color: var(--border-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .process-step h3 {
            font-size: 1.0625rem;
            color: var(--text-dark-main);
            margin-bottom: 8px;
        }
        .process-step p {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 热门新游预览 ===== */
        .hot-preview {
            padding: var(--spacer-mobile) 0;
        }
        .game-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition);
        }
        .game-card:hover {
            border-color: var(--border-dark);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .game-card-media {
            position: relative;
            overflow: hidden;
        }
        .game-card-media img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .game-card-media img {
            transform: scale(1.04);
        }
        .game-card-status {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 11, 26, 0.85);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(4px);
        }
        .game-card-body {
            padding: 20px;
        }
        .game-card-body h3 {
            font-size: 1.125rem;
            margin-bottom: 6px;
        }
        .game-card-body .game-type {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            margin-bottom: 12px;
        }
        .game-card-body p {
            color: var(--text-dark-muted);
            font-size: 0.875rem;
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 600;
        }
        .game-card-btn svg {
            width: 14px;
            height: 14px;
            fill: currentColor;
            transition: transform var(--transition);
        }
        .game-card-btn:hover svg {
            transform: translateX(4px);
        }

        /* ===== 同类推荐 ===== */
        .related-section {
            background: var(--dark-card);
            border-top: 1px solid var(--border-dark);
            padding: var(--spacer-mobile) 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--dark-bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .related-card:hover {
            border-color: var(--border-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 16px;
        }
        .related-card-body h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .related-card-body p {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacer-mobile) 0;
        }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
        }
        .accordion-item {
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 16px;
            overflow: hidden;
        }
        .accordion-item:first-of-type {
            border-top-left-radius: var(--radius-sm);
            border-top-right-radius: var(--radius-sm);
        }
        .accordion-item:last-of-type {
            border-bottom-left-radius: var(--radius-sm);
            border-bottom-right-radius: var(--radius-sm);
        }
        .accordion-button {
            background: transparent;
            color: var(--text-dark-main);
            font-weight: 700;
            font-size: 0.9375rem;
            padding: 20px 24px;
            box-shadow: none !important;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .accordion-button::after {
            background-image: none;
            content: "";
            width: 16px;
            height: 16px;
            border-right: 2px solid var(--text-dark-muted);
            border-bottom: 2px solid var(--text-dark-muted);
            transform: rotate(45deg);
            transition: transform var(--transition);
            margin-left: auto;
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(225deg);
            border-color: var(--accent);
        }
        .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(123, 47, 247, 0.15);
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-button .q-badge {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .accordion-body {
            background: var(--dark-bg);
            color: var(--text-dark-muted);
            padding: 0 24px 20px 64px;
            font-size: 0.875rem;
            line-height: 1.75;
        }

        /* ===== CTA条 ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, #7B2FF7, #FF3CAC, #FF9F45);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 180px;
            height: 180px;
            background: rgba(15, 11, 26, 0.25);
            border-radius: 50%;
        }
        .cta-wrapper {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-wrapper h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 900;
            margin-bottom: 12px;
        }
        .cta-wrapper p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
            margin-bottom: 32px;
        }
        .cta-wrapper .btn-primary-custom {
            background: var(--dark-bg);
            color: var(--accent);
            box-shadow: 0 8px 24px rgba(15, 11, 26, 0.3);
        }
        .cta-wrapper .btn-primary-custom:hover {
            background: #1e1530;
            color: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .brand-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .brand-footer .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
        }
        .brand-footer .brand-text {
            font-size: 1rem;
        }
        .footer-brand p {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            max-width: 260px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .footer-social a svg {
            width: 16px;
            height: 16px;
            fill: var(--text-dark-muted);
            transition: fill var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
        }
        .footer-social a:hover svg {
            fill: #fff;
        }
        .footer-title {
            color: var(--white);
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-dark-muted);
            font-size: 0.875rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-newsletter {
            margin-top: 20px;
        }
        .footer-newsletter .form-label {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            margin-bottom: 8px;
        }
        .newsletter-form {
            display: flex;
            gap: 8px;
        }
        .newsletter-form input {
            flex: 1;
            height: 44px;
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            padding: 0 18px;
            color: var(--text-dark-main);
            font-size: 0.875rem;
            min-width: 0;
        }
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .newsletter-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.25);
        }
        .newsletter-form button {
            height: 44px;
            padding: 0 20px;
            background: var(--accent);
            color: #1B1526;
            border: none;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.8125rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .newsletter-form button:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-dark-muted);
            font-size: 0.8125rem;
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .custom-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 992px) {
            body {
                padding-bottom: 0;
            }
            .main-nav {
                gap: 16px;
            }
            .main-nav a {
                font-size: 0.875rem;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 0.8125rem;
            }
            .category-hero .custom-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-card img {
                height: 320px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .game-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .feature-row {
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .navbar-wrapper {
                gap: 16px;
            }
            .brand-text {
                font-size: 1rem;
            }
            .main-nav {
                display: none;
            }
            .header-cta {
                margin-left: auto;
                padding: 7px 16px;
                font-size: 0.8125rem;
            }
            .mobile-bottom-tab {
                display: flex;
            }
            .category-hero {
                padding: calc(64px + 40px) 0 56px;
            }
            .feature-row,
            .feature-row.row-reverse {
                grid-template-columns: 1fr;
                gap: 20px;
                direction: ltr;
            }
            .feature-media img {
                height: 240px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .game-card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-section {
                padding: 52px 0;
            }
        }
        @media (max-width: 520px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-custom {
                width: 100%;
            }
            .hero-card img {
                height: 220px;
            }
            .float-badge-1 {
                left: 8px;
                top: 12px;
            }
            .float-badge-2 {
                right: 8px;
                bottom: 12px;
            }
            .float-badge .num {
                font-size: 1.2rem;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                --spacer-mobile: 48px;
            }
            .newsletter-form {
                flex-direction: column;
            }
            .newsletter-form button {
                width: 100%;
            }
            .mobile-bottom-tab .tab-item svg {
                width: 18px;
                height: 18px;
            }
        }
        @media (min-width: 769px) {
            body {
                padding-bottom: 0 !important;
            }
            .mobile-bottom-tab {
                display: none !important;
            }
        }