/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-secondary: #121722;
            --bg-card: #182030;
            --bg-card-hover: #1f2a3f;
            --brand-gradient: linear-gradient(135deg, #8A2BE2 0%, #00F2FE 100%);
            --accent-neon: #00FF87;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 242, 254, 0.35);
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
            --text-dim: #64748B;
            --radius-card: 20px;
            --radius-block: 32px;
            --radius-pill: 9999px;
            --shadow-neon: 0 12px 32px -8px rgba(0, 242, 254, 0.22);
            --shadow-green: 0 10px 24px -6px rgba(0, 255, 135, 0.25);
            --container-max: 1280px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部双行导航系统 */
        .top-utility-bar {
            background: rgba(8, 11, 16, 0.95);
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.8125rem;
            color: var(--text-muted);
            padding: 6px 0;
            position: relative;
            z-index: 100;
        }
        .utility-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .server-status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-neon);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-neon);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        .main-header {
            position: sticky;
            top: 0;
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 99;
            transition: var(--transition-smooth);
        }
        .nav-container {
            height: 72px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .brand-logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            -webkit-text-fill-color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: var(--shadow-neon);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 8px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: #fff;
        }
        .nav-link:hover::after, .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: var(--brand-gradient);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.875rem;
            box-shadow: var(--shadow-neon);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            filter: brightness(1.1);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        /* 移动端汉堡按钮 */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }

        /* 通用排版组件 */
        .section-block {
            padding: 96px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-header-wrap {
            max-width: 800px;
            margin: 0 auto 56px;
            text-align: center;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(0, 255, 135, 0.12);
            color: var(--accent-neon);
            border: 1px solid rgba(0, 255, 135, 0.3);
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-badge-purple {
            background: rgba(138, 43, 226, 0.15);
            color: #00F2FE;
            border-color: rgba(0, 242, 254, 0.3);
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.0625rem;
            line-height: 1.7;
        }

        /* 按钮与通用徽章 */
        .btn-neon {
            background: var(--accent-neon);
            color: #070A0F;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            box-shadow: var(--shadow-green);
        }
        .btn-neon:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
        }
        .btn-neon:active {
            transform: scale(0.97);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            border: 1px solid var(--border-subtle);
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-ghost:hover {
            border-color: var(--border-highlight);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* 1. 首屏 Banner (#hero) */
        .hero-section {
            position: relative;
            padding: 48px 0 88px;
            overflow: hidden;
            background: radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.22) 0%, rgba(11, 14, 20, 0) 65%);
        }
        .hero-banner-card {
            background-color: var(--bg-card);
            background-image: linear-gradient(to right, rgba(11, 14, 20, 0.95) 30%, rgba(11, 14, 20, 0.6) 70%, rgba(11, 14, 20, 0.3) 100%), url('/assets/images/8f4174e472bd31d6.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-block);
            border: 1px solid var(--border-subtle);
            padding: 64px 56px;
            position: relative;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
        }
        .hero-content {
            max-width: 680px;
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-intro-text {
            color: var(--text-muted);
            font-size: 1.125rem;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-status-widget {
            display: inline-flex;
            align-items: center;
            gap: 16px;
            padding: 12px 20px;
            border-radius: var(--radius-card);
            background: rgba(18, 23, 34, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-highlight);
        }
        .widget-avatars {
            display: flex;
            align-items: center;
        }
        .widget-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--bg-card);
            margin-left: -8px;
            object-fit: cover;
        }
        .widget-avatar:first-child { margin-left: 0; }
        .widget-info {
            font-size: 0.875rem;
            color: var(--text-main);
        }
        .widget-info strong {
            color: var(--accent-neon);
        }

        /* 2. 技术底座 (#about) */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .about-img-box {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: 0 16px 40px rgba(0,0,0,0.4);
        }
        .about-param-pill {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            padding: 16px 20px;
            border-radius: 14px;
            border: 1px solid var(--border-highlight);
            display: flex;
            justify-content: space-around;
            text-align: center;
        }
        .param-item .num {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-neon);
        }
        .param-item .label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .about-text h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 18px;
            line-height: 1.8;
        }
        .about-check-list {
            list-style: none;
            margin-top: 24px;
            display: grid;
            gap: 12px;
        }
        .about-check-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .check-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(0, 255, 135, 0.2);
            color: var(--accent-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: bold;
        }

        /* 3. 核心优势矩阵 (#features) */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-neon);
            background: var(--bg-card-hover);
        }
        .feature-icon-badge {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 242, 254, 0.12);
            border: 1px solid rgba(0, 242, 254, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F2FE;
            font-size: 1.25rem;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.65;
        }

        /* 4. 陪玩智能体矩阵 (#s) */
        .agents-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .agent-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .agent-card:hover {
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .agent-cover-wrap {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .agent-cover-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .agent-card:hover .agent-cover-img {
            transform: scale(1.05);
        }
        .agent-rank-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-highlight);
            color: var(--accent-neon);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .agent-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .agent-name-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }
        .agent-name-row h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }
        .agent-tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.08);
            color: #00F2FE;
        }
        .agent-games {
            font-size: 0.875rem;
            color: var(--text-dim);
            margin-bottom: 16px;
        }
        .agent-audio-bar {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 10px 14px;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            border: 1px solid var(--border-subtle);
        }
        .audio-play-btn {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-gradient);
            border: none;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 0.75rem;
        }
        .audio-wave {
            flex: 1;
            height: 16px;
            display: flex;
            align-items: center;
            gap: 3px;
        }
        .audio-wave span {
            display: block;
            flex: 1;
            background: var(--accent-neon);
            opacity: 0.7;
            border-radius: 2px;
        }
        .audio-wave span:nth-child(odd) { height: 60%; }
        .audio-wave span:nth-child(even) { height: 100%; }
        .audio-wave span:nth-child(3n) { height: 40%; }
        .call-cta-btn {
            margin-top: auto;
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: #fff;
            padding: 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.9375rem;
            text-align: center;
        }
        .call-cta-btn:hover {
            background: var(--brand-gradient);
            border-color: transparent;
        }

        /* 5. 沉浸式战术对局复盘 (#scenarios) */
        .scenarios-grid {
            display: grid;
            gap: 32px;
        }
        .scenario-item {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .scenario-item:nth-child(even) {
            direction: rtl;
        }
        .scenario-item:nth-child(even) .scenario-text {
            direction: ltr;
        }
        .scenario-item:nth-child(even) .scenario-media {
            direction: ltr;
        }
        .scenario-media {
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            position: relative;
        }
        .scenario-chat-bubble {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(11, 14, 20, 0.9);
            border-left: 3px solid var(--accent-neon);
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 0.8125rem;
            color: #fff;
        }
        .scenario-text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .scenario-text p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .scenario-stat-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .stat-chip {
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-subtle);
            font-size: 0.8125rem;
            color: var(--accent-neon);
            font-weight: 600;
        }

        /* 6. 实战故事区 (#stories) */
        .stories-timeline {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .story-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: var(--transition-smooth);
        }
        .story-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-3px);
        }
        .story-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .author-thumb {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border-highlight);
        }
        .author-meta h4 {
            font-size: 1.05rem;
            font-weight: 700;
        }
        .author-meta span {
            font-size: 0.8125rem;
            color: var(--text-dim);
        }
        .story-quote {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
            font-style: italic;
        }
        .story-gain {
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-main);
        }
        .story-gain strong {
            color: var(--accent-neon);
        }

        /* 7. 数据统计条 (#stats) */
        .stats-section {
            padding: 64px 0;
            background: linear-gradient(90deg, #121722 0%, #182030 50%, #121722 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 16px;
        }
        .stat-number {
            font-size: 2.75rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9375rem;
            font-weight: 500;
        }

        /* 8. 用户口碑评价墙 (#reviews) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .review-stars {
            color: #FFB800;
            font-size: 0.875rem;
            letter-spacing: 2px;
        }
        .review-hours {
            font-size: 0.75rem;
            background: rgba(0, 242, 254, 0.1);
            color: #00F2FE;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
        }
        .review-content {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.6;
        }
        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
            font-size: 0.875rem;
        }
        .reviewer-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #2a3449;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: bold;
        }

        /* 9. 资讯与攻略 (#news) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }
        .news-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-4px);
        }
        .news-thumb-wrap {
            height: 180px;
            overflow: hidden;
        }
        .news-thumb {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-thumb {
            transform: scale(1.05);
        }
        .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-date {
            font-size: 0.8125rem;
            color: var(--text-dim);
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .news-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .news-link-btn {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #00F2FE;
            font-size: 0.875rem;
            font-weight: 600;
        }

        /* 10. 套餐价格 (#pricing) */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 40px 32px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition-smooth);
        }
        .pricing-card.popular {
            border-color: #00F2FE;
            box-shadow: var(--shadow-neon);
            background: linear-gradient(180deg, #1a2335 0%, #151b28 100%);
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            text-transform: uppercase;
        }
        .pricing-plan-name {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .pricing-plan-desc {
            font-size: 0.875rem;
            color: var(--text-dim);
            margin-bottom: 24px;
        }
        .pricing-amount {
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 28px;
        }
        .currency {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-muted);
        }
        .price {
            font-size: 2.75rem;
            font-weight: 900;
            color: #fff;
        }
        .unit {
            font-size: 0.875rem;
            color: var(--text-dim);
        }
        .pricing-features {
            list-style: none;
            margin-bottom: 36px;
            display: grid;
            gap: 14px;
            flex: 1;
        }
        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9375rem;
            color: var(--text-muted);
        }
        .pricing-features li span {
            color: var(--accent-neon);
            font-weight: bold;
        }
        .pricing-btn {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.9375rem;
            text-align: center;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        /* 11. 常见问题解答手风琴 (#faq) */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-details {
            background: var(--bg-card);
            border-radius: 14px;
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-details[open] {
            border-color: var(--border-highlight);
            box-shadow: 0 4px 20px rgba(0, 242, 254, 0.08);
        }
        .faq-summary {
            padding: 20px 24px;
            font-size: 1.0625rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-summary::-webkit-details-marker {
            display: none;
        }
        .faq-chevron {
            width: 18px;
            height: 18px;
            transition: transform 0.3s ease;
            color: #00F2FE;
        }
        .faq-details[open] .faq-chevron {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 24px;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 4px;
            padding-top: 16px;
        }

        /* 12. 极速开黑接入 CTA (#conversion) */
        .cta-banner-box {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.9) 0%, rgba(0, 242, 254, 0.85) 100%);
            border-radius: var(--radius-block);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            box-shadow: 0 24px 64px rgba(0, 242, 254, 0.25);
            max-width: 1100px;
            margin: 0 auto;
        }
        .cta-banner-box h2 {
            font-size: 2.25rem;
            font-weight: 900;
            margin-bottom: 16px;
        }
        .cta-banner-box p {
            max-width: 640px;
            margin: 0 auto 36px;
            font-size: 1.0625rem;
            opacity: 0.95;
            line-height: 1.7;
        }
        .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .btn-cta-dark {
            background: #0B0E14;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-dark:hover {
            background: #182030;
            transform: translateY(-2px);
        }
        .btn-cta-white {
            background: #fff;
            color: #0B0E14;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-white:hover {
            filter: brightness(0.95);
            transform: translateY(-2px);
        }

        /* 页脚系统 */
        .main-footer {
            background: #080a0f;
            border-top: 1px solid var(--border-subtle);
            padding: 72px 0 32px;
            font-size: 0.875rem;
            color: var(--text-dim);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .footer-brand p {
            margin-top: 14px;
            line-height: 1.7;
            color: var(--text-muted);
        }
        .footer-links {
            list-style: none;
            display: grid;
            gap: 12px;
        }
        .footer-links a:hover {
            color: #00F2FE;
        }
        .compliance-block {
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .features-grid, .agents-grid, .pricing-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.popular {
                transform: none;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-item {
                grid-template-columns: 1fr;
            }
            .scenario-item:nth-child(even) {
                direction: ltr;
            }
        }

        @media (max-width: 768px) {
            .top-utility-bar {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #0B0E14;
                border-bottom: 1px solid var(--border-subtle);
                flex-direction: column;
                padding: 24px;
                gap: 18px;
            }
            .nav-menu.open {
                display: flex;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .hero-banner-card {
                padding: 40px 24px;
            }
            .features-grid, .agents-grid, .pricing-grid, .reviews-grid, .news-grid, .stories-timeline, .stats-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.85rem;
            }
            .cta-banner-box {
                padding: 40px 24px;
            }
            .cta-btn-group {
                flex-direction: column;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }