:root{--p:#1677ff;--pd:#0958d9;--pl:#e6f4ff;--s:#52c41a;--w:#faad14;--d:#ff4d4f;--t1:#1f1f1f;--t2:#666;--t3:#999;--bg:#f5f7fa;--card:#fff;--bd:#e8e8e8;--r:8px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--t1);font-size:14px;line-height:1.6}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px;outline:none}

.nav{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.nav-in{max-width:1280px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{font-size:20px;font-weight:700;color:var(--p);display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo-ic{width:34px;height:34px;background:linear-gradient(135deg,#1677ff,#722ed1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.nav-menu{display:flex;gap:2px;list-style:none}
.nav-menu a{padding:8px 14px;border-radius:6px;color:var(--t2);font-size:14px;cursor:pointer}
.nav-menu a:hover,.nav-menu a.on{color:var(--p);background:var(--pl)}
.nav-r{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:6px;border:none;font-size:14px;transition:.2s;white-space:nowrap}
.btn-p{background:var(--p);color:#fff}.btn-p:hover{background:var(--pd)}
.btn-o{background:#fff;border:1px solid var(--p);color:var(--p)}.btn-o:hover{background:var(--pl)}
.btn-s{background:var(--s);color:#fff}
.btn-d{background:var(--d);color:#fff}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-lg{padding:12px 30px;font-size:16px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.ct{max-width:1280px;margin:0 auto;padding:24px}
.card{background:var(--card);border-radius:var(--r);box-shadow:0 2px 8px rgba(0,0,0,.06);padding:20px;margin-bottom:16px}
.card-t{font-size:17px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.gcard{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:.3s;cursor:pointer}
.gcard:hover{transform:translateY(-3px);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.gimg{height:170px;background:linear-gradient(135deg,#e6f4ff,#f0f5ff);display:flex;align-items:center;justify-content:center;font-size:52px}
.gbody{padding:12px}
.gtitle{font-size:14px;font-weight:500;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gmeta{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.gprice{color:var(--d);font-weight:700;font-size:17px}.gprice small{font-size:11px;font-weight:400}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;background:var(--pl);color:var(--p);margin-right:4px}
.tag-g{background:#f6ffed;color:var(--s)}.tag-w{background:#fffbe6;color:#d48806}.tag-p{background:#f9f0ff;color:#722ed1}
.tag-r{background:#fff2f0;color:var(--d)}

.sbar{background:#fff;border-radius:var(--r);padding:14px 18px;box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sin{flex:1;padding:9px 14px;border:1px solid var(--bd);border-radius:6px;min-width:150px}
.sin:focus{border-color:var(--p)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat{background:#fff;border-radius:var(--r);padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat-l{color:var(--t3);font-size:13px}.stat-v{font-size:26px;font-weight:700;margin:6px 0}.stat-t{font-size:12px;color:var(--s)}
.stat-t.down{color:var(--d)}

.hero{background:linear-gradient(135deg,#1677ff,#722ed1);color:#fff;padding:50px 0;margin-bottom:24px}
.hero-in{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.hero h1{font-size:38px;margin-bottom:14px;line-height:1.3}.hero p{font-size:17px;opacity:.9;margin-bottom:24px}
.hero-v{width:280px;height:220px;background:rgba(255,255,255,.1);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:80px;flex-shrink:0}

.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}
.fcard{background:#fff;padding:24px;border-radius:var(--r);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.fic{width:50px;height:50px;border-radius:10px;background:var(--pl);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:12px}
.fcard h3{font-size:16px;margin-bottom:6px}.fcard p{color:var(--t2);font-size:13px}

table.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden}
.tb th,.tb td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--bd);font-size:13px}
.tb th{background:#fafafa;font-weight:600;color:var(--t2)}
.tb tr:hover{background:#fafafa}

.wallet{background:linear-gradient(135deg,#1677ff,#722ed1);color:#fff;border-radius:12px;padding:24px;margin-bottom:20px}
.wallet-b{font-size:34px;font-weight:700;margin:6px 0}

.tabs{display:flex;border-bottom:2px solid var(--bd);margin-bottom:18px}
.tab{padding:9px 18px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;color:var(--t2)}
.tab.on{color:var(--p);border-bottom-color:var(--p);font-weight:600}

.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:12px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;padding:24px}
.modal h3{margin-bottom:16px}
.fg{margin-bottom:14px}.fg label{display:block;margin-bottom:5px;color:var(--t2);font-size:13px}
.fg input,.fg select,.fg textarea{width:100%;padding:9px 12px;border:1px solid var(--bd);border-radius:6px}

.steps{display:flex;justify-content:space-between;margin:20px 0;position:relative}
.steps::before{content:'';position:absolute;top:18px;left:40px;right:40px;height:2px;background:var(--bd)}
.step{text-align:center;position:relative;z-index:1;flex:1}
.sdot{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--bd);display:flex;align-items:center;justify-content:center;margin:0 auto 6px;font-weight:600;color:var(--t3)}
.step.on .sdot{background:var(--p);border-color:var(--p);color:#fff}
.step.done .sdot{background:var(--s);border-color:var(--s);color:#fff}
.slabel{font-size:12px;color:var(--t2)}
.step.on .slabel{color:var(--p);font-weight:600}

.foot{background:#1f1f1f;color:#999;padding:36px 0 16px;margin-top:50px}
.foot-in{max-width:1280px;margin:0 auto;padding:0 24px}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:24px}
.foot h4{color:#fff;margin-bottom:10px;font-size:14px}
.foot a{display:block;padding:3px 0;font-size:13px}.foot a:hover{color:#fff}
.flinks{border-top:1px solid #333;padding-top:16px;margin-top:16px;font-size:12px;line-height:2}
.flinks a{display:inline-block;margin-right:14px;color:#888}.flinks a:hover{color:#fff}
.copy{border-top:1px solid #333;padding-top:14px;text-align:center;font-size:12px}

.chat-fab{position:fixed;right:20px;bottom:80px;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#1677ff,#722ed1);color:#fff;border:none;font-size:24px;box-shadow:0 4px 12px rgba(0,0,0,.2);z-index:90;cursor:pointer}
.bnav{display:none}

@media(max-width:768px){
  .nav-menu{display:none}
  .hero-in{flex-direction:column;text-align:center}
  .hero h1{font-size:26px}.hero-v{width:200px;height:160px;font-size:60px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .feat{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:repeat(2,1fr)}
  .bnav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--bd);z-index:100;padding:6px 0;justify-content:space-around}
  .bnav a{flex:1;text-align:center;padding:4px;color:var(--t3);font-size:11px}
  .bnav a.on{color:var(--p)}.bnav a .bi{font-size:20px;display:block}
  .chat-fab{bottom:80px}
  .ct{padding-bottom:70px}
}