/* roulang page: index */
:root {
            --bg-deep: #06060f;
            --bg-primary: #0a0a1a;
            --bg-panel: #111128;
            --bg-panel-hover: #18183a;
            --bg-card: #141430;
            --bg-card-alt: #1a1a3a;
            --neon-purple: #a855f7;
            --neon-purple-bright: #c084fc;
            --neon-cyan: #06b6d4;
            --neon-cyan-bright: #22d3ee;
            --neon-pink: #ec4899;
            --neon-pink-bright: #f472b6;
            --neon-gold: #f59e0b;
            --text-primary: #f0f0f5;
            --text-secondary: #b8bcc8;
            --text-muted: #7a7f90;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-glow-purple: rgba(168, 85, 247, 0.35);
            --border-glow-cyan: rgba(6, 182, 212, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-neon-purple: 0 0 20px rgba(168, 85, 247, 0.3), 0 0 50px rgba(168, 85, 247, 0.12);
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.3), 0 0 50px rgba(6, 182, 212, 0.12);
            --shadow-neon-pink: 0 0 20px rgba(236, 72, 153, 0.3), 0 0 50px rgba(236, 72, 153, 0.12);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(255, 255, 255, 0.03);
            --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.55), 0 2px 8px rgba(168, 85, 247, 0.15);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            background-image:
                radial-gradient(ellipse at 25% 15%, rgba(168, 85, 247, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 30%, rgba(6, 182, 212, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 70%, rgba(236, 72, 153, 0.03) 0%, transparent 55%);
            background-attachment: fixed;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* 容器 */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(8, 8, 20, 0.92);
            border-bottom-color: rgba(168, 85, 247, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: var(--shadow-neon-purple);
            flex-shrink: 0;
        }
        .logo-text {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.03em;
            color: #fff;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--neon-cyan-bright);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.nav-active {
            color: var(--neon-cyan-bright);
            background: rgba(6, 182, 212, 0.08);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-neon-purple);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(168, 85, 247, 0.5), 0 0 60px rgba(236, 72, 153, 0.3);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            z-index: 1001;
            padding: 6px;
            line-height: 1;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links-wrap {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(14, 14, 30, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-left: 1px solid rgba(255, 255, 255, 0.08);
                padding: 90px 28px 40px;
                transition: right var(--transition-smooth);
                z-index: 1000;
                display: flex;
                flex-direction: column;
                gap: 4px;
            }
            .nav-links-wrap.open {
                right: 0;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                display: block;
            }
            .nav-cta-btn {
                margin-top: 12px;
                text-align: center;
                justify-content: center;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-smooth);
            }
            .mobile-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }
        }

        /* 首屏 */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 24px 80px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 15, 0.7) 0%, rgba(10, 10, 26, 0.85) 40%, rgba(10, 10, 26, 0.95) 100%);
            z-index: 1;
        }
        .hero-glow-1 {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
            top: 10%;
            left: -10%;
            z-index: 0;
            animation: heroGlowFloat 8s ease-in-out infinite;
        }
        .hero-glow-2 {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
            bottom: 15%;
            right: -8%;
            z-index: 0;
            animation: heroGlowFloat 10s ease-in-out infinite reverse;
        }
        @keyframes heroGlowFloat {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            25% {
                transform: translate(30px, -25px) scale(1.1);
            }
            50% {
                transform: translate(-15px, 20px) scale(0.95);
            }
            75% {
                transform: translate(20px, 15px) scale(1.05);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            width: 100%;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(168, 85, 247, 0.15);
            color: var(--neon-purple-bright);
            border: 1px solid rgba(168, 85, 247, 0.3);
            margin-bottom: 20px;
            animation: badgePulse 3s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(168, 85, 247, 0.2);
            }
            50% {
                box-shadow: 0 0 22px rgba(168, 85, 247, 0.45);
            }
        }
        .hero-title {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 800;
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            line-height: 1.2;
            color: #fff;
            margin: 0 0 16px;
            text-shadow: 0 0 40px rgba(168, 85, 247, 0.5), 0 0 80px rgba(6, 182, 212, 0.3);
            letter-spacing: 0.02em;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--neon-cyan-bright), var(--neon-purple-bright));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
        }
        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            margin: 0 0 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-neon-purple);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(168, 85, 247, 0.55), 0 0 70px rgba(236, 72, 153, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            border-color: var(--neon-cyan-bright);
            color: var(--neon-cyan-bright);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
        }

        /* 板块通用 */
        .section-block {
            padding: 80px 24px;
            position: relative;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 16px;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--neon-cyan-bright);
            margin-bottom: 8px;
        }
        .section-title {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 700;
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        /* 卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 3px 3px 0 0;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card.card-accent-purple::before {
            background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
        }
        .feature-card.card-accent-cyan::before {
            background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
        }
        .feature-card.card-accent-pink::before {
            background: linear-gradient(90deg, var(--neon-pink), var(--neon-gold));
        }
        .feature-card.card-accent-gold::before {
            background: linear-gradient(90deg, var(--neon-gold), var(--neon-cyan));
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(168, 85, 247, 0.25);
            background: var(--bg-panel-hover);
        }
        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .icon-purple {
            background: rgba(168, 85, 247, 0.15);
            color: var(--neon-purple-bright);
        }
        .icon-cyan {
            background: rgba(6, 182, 212, 0.15);
            color: var(--neon-cyan-bright);
        }
        .icon-pink {
            background: rgba(236, 72, 153, 0.15);
            color: var(--neon-pink-bright);
        }
        .icon-gold {
            background: rgba(245, 158, 11, 0.15);
            color: var(--neon-gold);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* 服务区块 */
        .service-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .service-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .service-row.reverse-mobile {
                display: flex;
                flex-direction: column-reverse;
            }
        }
        .service-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            position: relative;
        }
        .service-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform var(--transition-smooth);
        }
        .service-image-wrap:hover img {
            transform: scale(1.03);
        }
        .service-image-wrap .img-glow {
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.3);
            pointer-events: none;
        }
        .service-text h3 {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: 0.02em;
        }
        .service-text .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(6, 182, 212, 0.12);
            color: var(--neon-cyan-bright);
            margin-bottom: 12px;
        }
        .service-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .service-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-text ul li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .service-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-purple);
            box-shadow: 0 0 8px rgba(168, 85, 247, 0.6);
        }

        /* 数据区块 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            border-color: rgba(168, 85, 247, 0.3);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .stat-number {
            font-family: 'Orbitron', sans-serif;
            font-weight: 800;
            font-size: clamp(2rem, 4vw, 2.8rem);
            background: linear-gradient(135deg, var(--neon-cyan-bright), var(--neon-purple-bright));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 0 0 4px;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 流程 */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }
        @media (max-width: 768px) {
            .process-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .process-list {
                grid-template-columns: 1fr;
            }
        }
        .process-item {
            text-align: center;
            position: relative;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .process-item:hover {
            border-color: rgba(6, 182, 212, 0.3);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
            color: #fff;
            margin-bottom: 12px;
            box-shadow: var(--shadow-neon-purple);
        }
        .process-item h4 {
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
            font-size: 1rem;
        }
        .process-item p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .process-connector {
            display: none;
        }
        @media (min-width: 769px) {
            .process-list.with-connectors .process-item::after {
                content: '';
                position: absolute;
                top: 46px;
                right: -10px;
                width: 20px;
                height: 2px;
                background: linear-gradient(90deg, rgba(168, 85, 247, 0.5), rgba(6, 182, 212, 0.5));
                z-index: 0;
            }
            .process-list.with-connectors .process-item:last-child::after {
                display: none;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--bg-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: rgba(168, 85, 247, 0.2);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: all var(--transition-fast);
            font-family: inherit;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(168, 85, 247, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--neon-purple-bright);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(6, 182, 212, 0.2);
            color: var(--neon-cyan-bright);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 90px 24px;
            text-align: center;
            overflow: hidden;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(6, 6, 15, 0.82);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 700;
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin: 0 0 28px;
            line-height: 1.6;
        }
        .cta-content .btn-primary {
            font-size: 1.1rem;
            padding: 16px 38px;
            border-radius: 30px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 24px 28px;
            text-align: center;
        }
        .footer-logo {
            font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-logo span {
            color: var(--neon-cyan-bright);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 20px;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 20px;
            list-style: none;
            padding: 0;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--neon-cyan-bright);
        }
        .footer-bottom {
            color: var(--text-muted);
            font-size: 0.78rem;
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
        }

        /* 霓虹装饰线 */
        .neon-divider {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
            margin: 0 auto 16px;
            box-shadow: 0 0 16px rgba(168, 85, 247, 0.5);
        }

        /* 粒子装饰 */
        .particle-dot {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .dot-purple {
            width: 6px;
            height: 6px;
            background: var(--neon-purple);
            box-shadow: 0 0 10px rgba(168, 85, 247, 0.8);
            animation: dotFloat 6s ease-in-out infinite;
        }
        .dot-cyan {
            width: 4px;
            height: 4px;
            background: var(--neon-cyan);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.7);
            animation: dotFloat 7s ease-in-out infinite reverse;
        }
        @keyframes dotFloat {
            0%,
            100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-20px) scale(1.5);
            }
        }