:root { --primary: #7000ff; --accent: #00f2ff; --bg: #0a0a0c; --text: #e0e0e0; --card-bg: #16161a; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; border-bottom: 1px solid #333; position: sticky; top: 0; background: rgba(10,10,12,0.9); z-index: 1000; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-weight: bold; font-size: 24px; color: #fff; }
        .nav-links { display: flex; gap: 0; list-style: none; }
        .nav-links a { color: var(--text); text-decoration: none; padding: 10px 15px; transition: 0.3s; }
        .hero { padding: 100px 0; text-align: center; }
        h1 { font-size: 48px; margin-bottom: 20px; background: linear-gradient(to right, #fff, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border-radius: 5px; text-decoration: none; transition: 0.3s; }
        .btn:hover { background: #5a00cc; }
        section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { background: var(--card-bg); padding: 30px; border-radius: 15px; border: 1px solid #333; transition: 0.3s; }
        .card:hover { border-color: var(--accent); transform: translateY(-5px); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #333; padding-bottom: 10px; }
        .faq-q { cursor: pointer; font-weight: bold; display: flex; justify-content: space-between; }
        footer { padding: 40px 0; border-top: 1px solid #333; text-align: center; font-size: 14px; }