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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
            background-color: #0a0a1a; /* 紫黑色基底 */
            color: #f0f0ff;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* 紫黑主色调 + 紫色/紫蓝/紫红渐变 */
        :root {
            --primary: #b77cff;    /* 紫色 */
            --primary-dark: #9b4dff;
            --primary-light: #e0c3ff;
            --accent-blue: #6d8aff; /* 紫蓝 */
            --accent-red: #ff6b9d;   /* 紫红 */
            --bg-card: rgba(20, 15, 45, 0.7);
            --border-glow: rgba(183, 124, 255, 0.3);
            --shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 导航栏 */
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 1px solid rgba(183, 124, 255, 0.2);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-icon {
            font-size: 32px;
            background: linear-gradient(135deg, #b77cff, #ff6b9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .logo h1 {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, #d9b4ff, #ff8cb3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 600;
            color: #e0d4ff;
            transition: 0.2s;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            text-shadow: 0 0 5px rgba(183,124,255,0.5);
        }

        .btn-primary {
            background: linear-gradient(95deg, #b77cff, #9b4dff);
            color: white;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: 0.2s;
            display: inline-block;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(155,77,255,0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            background: linear-gradient(95deg, #c58eff, #aa5eff);
            box-shadow: 0 8px 20px rgba(155,77,255,0.5);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: 0.2s;
        }

        .btn-outline:hover {
            background: rgba(183,124,255,0.15);
            border-color: var(--accent-blue);
            color: var(--accent-blue);
        }

        section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 48px;
            text-align: center;
            background: linear-gradient(135deg, #ffffff, #b77cff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .grid-3, .grid-4 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
        }

        .card {
            background: rgba(20, 15, 45, 0.8);
            backdrop-filter: blur(2px);
            border-radius: 28px;
            padding: 28px;
            border: 1px solid rgba(183,124,255,0.25);
            transition: all 0.25s;
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }

        .card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            background: rgba(30, 22, 60, 0.9);
        }

        .card i {
            font-size: 42px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #b77cff, #ff6b9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: #f0eaff;
        }

        .hero {
            background: radial-gradient(circle at 10% 20%, #1e1935, #0a0a1a);
            border-radius: 0 0 48px 48px;
            padding: 60px 0 80px;
        }

        .hero-content {
            text-align: center;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin: 40px 0 48px;
        }

        .stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #b77cff, #6d8aff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        details {
            background: rgba(25, 20, 50, 0.7);
            border-radius: 20px;
            margin-bottom: 16px;
            padding: 8px 20px;
            border: 1px solid rgba(183,124,255,0.3);
        }
        summary {
            font-weight: 700;
            padding: 16px 0;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 12px;
            color: #e6d9ff;
        }
        summary::-webkit-details-marker { display: none; }
        summary:before {
            content: "▶";
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.2s;
        }
        details[open] summary:before { transform: rotate(90deg); }
        .faq-content { padding: 8px 0 20px 28px; color: #cbc3f0; }

        .review-card {
            background: rgba(20, 15, 45, 0.8);
            border-radius: 24px;
            padding: 28px;
            border: 1px solid rgba(183,124,255,0.3);
        }
        .stars { color: #ffcd6b; margin: 12px 0; }

        footer {
            background: #04040c;
            border-top: 1px solid rgba(183,124,255,0.2);
            padding: 48px 0 32px;
        }
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
        .tag {
            background: rgba(183,124,255,0.15);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 14px;
            color: #c9b6ff;
        }
        .copyright { border-top: 1px solid #2a1f4a; padding-top: 24px; text-align: center; font-size: 14px; color: #998fcc; }
        a { color: var(--primary); }
        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .navbar { flex-direction: column; }
            .section-title { font-size: 1.8rem; }
        }
    </style>