*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;background:#1a1a2e;color:#e0e0e0;min-height:100vh}
a{color:#4a9eff;text-decoration:none}
a:hover{text-decoration:underline}
.nav{position:sticky;top:0;z-index:10;background:#16213e;box-shadow:0 2px 8px rgba(0,0,0,.3);padding:0 24px}
.nav-inner{max-width:1080px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-logo{font-size:19px;font-weight:bold;color:#e0e0e0;display:flex;align-items:center;gap:10px}
.nav-logo img{height:34px;width:auto;border-radius:6px;display:block}
.nav-logo a{display:flex;align-items:center;gap:10px;color:#e0e0e0;text-decoration:none}
.nav-logo span{color:#e94560}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{color:#aaa;font-size:14px}
.nav-links a:hover{color:#e0e0e0;text-decoration:none}
.btn{display:inline-block;padding:10px 22px;border-radius:6px;font-size:14px;font-weight:bold;cursor:pointer;border:none;transition:background .2s}
.btn-primary{background:#e94560;color:#fff}
.btn-primary:hover{background:#d63850;text-decoration:none;color:#fff}
.btn-outline{background:transparent;color:#4a9eff;border:1px solid #1a508b}
.btn-outline:hover{background:#0f3460;text-decoration:none}
.btn-login{background:#1a508b;color:#fff;padding:8px 18px}
.btn-login:hover{background:#1f6aa5;text-decoration:none;color:#fff}
.hero{max-width:1080px;margin:0 auto;padding:80px 24px 60px;text-align:center}
.hero h1{font-size:40px;color:#fff;margin-bottom:16px}
.hero h1 span{color:#e94560}
.hero p{color:#999;font-size:17px;max-width:640px;margin:0 auto 32px;line-height:1.8}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.section{max-width:1080px;margin:0 auto;padding:50px 24px}
.section h2{text-align:center;font-size:26px;color:#fff;margin-bottom:10px}
.section .sub{text-align:center;color:#888;font-size:14px;margin-bottom:36px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.card{background:#16213e;border-radius:12px;padding:28px 24px;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.card .icon{font-size:30px;margin-bottom:14px}
.card h3{color:#e0e0e0;font-size:16px;margin-bottom:10px}
.card p{color:#999;font-size:13px;line-height:1.7}
.download-box{background:#16213e;border-radius:12px;padding:36px;text-align:center;max-width:560px;margin:0 auto;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.download-box .meta{color:#888;font-size:13px;margin:14px 0 22px}
.download-box .tip{color:#888;font-size:13px;margin-top:16px;line-height:1.7}
.error-banner{background:#3a1a1a;color:#e94560;padding:12px;border-radius:6px;margin:16px auto;max-width:640px;font-size:13px;text-align:center}
.footer{border-top:1px solid #16213e;padding:28px 24px;text-align:center;color:#666;font-size:13px;margin-top:40px}
.footer-links{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.footer-links a{color:#888;font-size:13px}
.footer-links a:hover{color:#e0e0e0;text-decoration:none}
.footer-bottom{margin-top:10px;color:#3a3a50;font-size:12px}
.manual{max-width:860px;margin:0 auto;padding:36px 24px}
.manual h1{color:#fff;font-size:28px;margin-bottom:8px}
.manual .updated{color:#777;font-size:13px;margin-bottom:28px}
.manual h2{color:#e94560;font-size:19px;margin:34px 0 14px;padding-bottom:8px;border-bottom:1px solid #16213e}
.manual h3{color:#4a9eff;font-size:15px;margin:20px 0 10px}
.manual p,.manual li{color:#bbb;font-size:14px;line-height:1.9}
.manual ul,.manual ol{padding-left:24px;margin-bottom:12px}
.manual code{background:#0f3460;padding:2px 6px;border-radius:4px;font-size:13px;color:#8fd0ff}
.manual .note{background:#16213e;border-left:3px solid #4a9eff;padding:12px 16px;border-radius:0 6px 6px 0;margin:14px 0;font-size:13px;color:#aaa;line-height:1.8}
.manual table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
.manual th,.manual td{border:1px solid #1a508b;padding:9px 12px;text-align:left;color:#bbb}
.manual th{background:#0f3460;color:#e0e0e0}
.toc{background:#16213e;border-radius:10px;padding:20px 24px;margin-bottom:10px}
.toc a{display:block;padding:4px 0;font-size:14px}
@media (max-width:768px){
    .hero{padding:50px 20px 40px}
    .hero h1{font-size:28px}
    .nav-links{gap:14px}
    .nav-links .nav-hide{display:none}
}