*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:#0f0a1e;color:#e0e7ff;line-height:1.7}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
header{background:#1e1b4b;border-bottom:1px solid #312e81;position:sticky;top:0;z-index:50}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo img{display:block}
nav a{color:#a5b4fc;margin-left:16px;text-decoration:none;font-size:.92rem}
nav a:hover{color:#c4b5fd}
nav .cta{background:#8b5cf6;color:#fff!important;padding:8px 14px;border-radius:6px;font-weight:600}
.hero{position:relative;text-align:center}
.hero-bg{width:100%;max-height:360px;object-fit:cover;display:block}
.hero-inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:rgba(15,10,30,.6);padding:24px}
.badge{color:#a78bfa;font-weight:700;letter-spacing:1px;margin-bottom:10px;font-size:.9rem}
.hero-inner h1{font-size:clamp(1.5rem,4vw,2.2rem);color:#f5f3ff;margin-bottom:12px}
.hero-inner p{max-width:560px;color:#c4b5fd;margin-bottom:22px}
.btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:12px 26px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.primary{background:#8b5cf6;color:#fff}
.btn.outline{border:2px solid #8b5cf6;color:#c4b5fd}
.section{padding:56px 0}
.section.dark{background:#1e1b4b}
h2{font-size:1.55rem;color:#c4b5fd;text-align:center;margin-bottom:12px}
.lead,.sub{text-align:center;color:#a5b4fc;max-width:700px;margin:0 auto 28px}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.about-card{background:#1e1b4b;border:1px solid #312e81;border-radius:12px;padding:22px;text-align:center}
.about-card img{width:56px;margin-bottom:12px}
.about-card h3{color:#a78bfa;margin-bottom:8px}
.about-card p{color:#a5b4fc;font-size:.92rem}
.list{max-width:480px;margin:0 auto 16px;padding-left:22px;color:#a5b4fc}
.list li{margin-bottom:6px}
.note{text-align:center;color:#818cf8;font-size:.9rem}
.two-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.two-col h3{color:#a78bfa;margin-bottom:10px}
.two-col p{color:#a5b4fc}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.feat{background:#0f0a1e;border:1px solid #312e81;border-radius:12px;padding:22px;text-align:center}
.feat img{width:52px;margin-bottom:12px}
.feat h3{color:#a78bfa;margin-bottom:8px}
.feat p{color:#a5b4fc;font-size:.92rem}
.download{text-align:center}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;max-width:600px;margin:0 auto 18px}
.dl-card{background:#0f0a1e;border:1px solid #312e81;border-radius:12px;padding:20px;text-decoration:none;color:#e0e7ff}
.dl-card:hover{border-color:#8b5cf6}
.dl-card strong{display:block;margin-bottom:4px}
.dl-card small{color:#818cf8;font-size:.85rem}
.faq>div{background:#1e1b4b;border:1px solid #312e81;border-radius:10px;padding:16px 18px;margin-bottom:10px}
.faq h3{color:#a78bfa;font-size:1rem;margin-bottom:6px}
.faq p{color:#a5b4fc;font-size:.92rem}
footer{background:#0a0814;padding:32px 0;text-align:center;border-top:1px solid #1e1b4b}
footer p{color:#6366f1;font-size:.88rem;margin-bottom:6px}
.seo{font-size:.78rem;color:#4c1d95}
@media(max-width:700px){nav a:not(.cta){display:none}}