:root{--bg:#060B18;--panel:#0C1424;--line:#1C2A44;--txt:#E8EDF7;--dim:#94A3B8;
--accent:#F5F7FB;--ok:#5EEAD4;--warn:#FBBF24;--bad:#F87171}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:rgba(6,11,24,.9);position:sticky;top:0;z-index:9;backdrop-filter:blur(8px)}
.hrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}
.brand{font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:13px}
nav a{margin-left:18px;color:var(--dim);font-size:14px}
nav a:hover{color:var(--txt)}
h1{font-size:34px;line-height:1.2;margin:40px 0 8px;font-weight:600;letter-spacing:-.01em}
h2{font-size:20px;margin:32px 0 12px;font-weight:600}
h3{font-size:16px;margin:0 0 4px;font-weight:600}
.lead{color:var(--dim);max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:24px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.card .desc{color:var(--dim);font-size:14px;min-height:44px}
.tier{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:12px 0}
.tier:last-child{padding-bottom:0}
.tier .meta{color:var(--dim);font-size:12.5px}
.price{font-variant-numeric:tabular-nums;font-weight:600}
.btn{display:inline-block;background:var(--accent);color:#0A1120;border:0;border-radius:10px;padding:10px 18px;font-weight:600;font-size:14px;cursor:pointer}
.btn:hover{opacity:.9}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 4px}
.chip{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--dim);cursor:pointer;background:transparent}
.chip.on{background:var(--accent);color:#0A1120;border-color:var(--accent)}
.prog{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0}
.prog span{padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--dim)}
.prog span.on{color:var(--ok);border-color:rgba(94,234,212,.45)}
.prog span.cur{color:var(--txt);border-color:var(--accent);background:rgba(122,162,255,.10)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:28px 0}
.step{border-left:2px solid var(--line);padding:2px 0 2px 16px}
.step small{color:var(--dim)}
.amount{font-size:40px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin:6px 0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;word-break:break-all}
.kv{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--dim)}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line)}
.b-ok{color:var(--ok);border-color:#155E5A;background:#08302E}
.b-warn{color:var(--warn);border-color:#5C4A12;background:#2C2408}
.b-bad{color:var(--bad);border-color:#5C2222;background:#2C1212}
.qr{background:#fff;padding:10px;border-radius:12px;display:inline-block;line-height:0}
.timer{font-size:26px;font-variant-numeric:tabular-nums;font-weight:600}
.center{text-align:center}
input,textarea,select{width:100%;background:#0A1220;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:11px 13px;font:inherit}
label{display:block;font-size:13px;color:var(--dim);margin:14px 0 6px}
.notice{border:1px solid var(--line);border-left:3px solid var(--warn);background:#101828;border-radius:8px;padding:12px 14px;font-size:13.5px;color:#CBD5E1}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--dim);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.tag{font-size:11.5px;padding:2px 8px;border-radius:6px;border:1px solid var(--line);color:var(--dim)}
footer{border-top:1px solid var(--line);margin-top:56px;padding:26px 0;color:var(--dim);font-size:13px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.muted{color:var(--dim);font-size:13.5px}
.ok{color:var(--ok)}.bad{color:var(--bad)}.warn{color:var(--warn)}
.copy{cursor:pointer}
.hide{display:none}
/* ---- 公告弹窗 + 公告页 ---- */
.np-back{position:fixed;inset:0;background:rgba(3,6,14,.78);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:40;display:flex;align-items:center;justify-content:center;padding:20px}
.np-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;max-width:580px;width:100%;max-height:82vh;overflow:auto;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.np-head h3{margin:12px 0 6px;font-size:19px;line-height:1.35}
.np-body{color:#CBD5E1;font-size:14.5px;margin-top:10px}
.np-body p{margin:9px 0}
.np-ul{margin:8px 0 8px 18px;padding:0}
.np-ul li{margin:4px 0}
.np-meta{color:var(--dim);font-size:12.5px}
.b-info{color:#93C5FD;border-color:#1E3A8A;background:#0B1B3A}
.b-success{color:var(--ok);border-color:#155E5A;background:#08302E}
.b-promo{color:#F0ABFC;border-color:#6B21A8;background:#2A0B3A}
.news-item{border-bottom:1px solid var(--line);padding:16px 0}
.news-item:last-child{border-bottom:0}
.news-item h3{margin:7px 0 5px;font-size:17px}
.navdot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--warn);margin-left:5px;vertical-align:middle}
.supwrap{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;vertical-align:middle}
.supid{cursor:pointer;user-select:all;-webkit-user-select:all;border:1px dashed var(--line);
 border-radius:8px;padding:3px 10px;font-size:13.5px;background:rgba(255,255,255,.04);
 text-decoration:none;white-space:nowrap}
.supid:hover{border-color:var(--accent);color:var(--accent)}
.searchbox{position:relative}
.sres{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:11px 4px;border-bottom:1px solid var(--line);cursor:pointer}
.sres:last-child{border-bottom:0}
.sres:hover{color:var(--accent)}
.flash{outline:2px solid var(--ok);box-shadow:0 0 0 5px rgba(94,234,212,.13);transition:box-shadow .25s}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.qty button{background:#0A1220;border:0;color:var(--txt);width:40px;height:42px;font-size:19px;cursor:pointer;line-height:1}
.qty button:hover{color:var(--accent)}
.qty input{width:58px;border:0;background:transparent;text-align:center;font-size:16px;padding:8px 0}
input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
input[type=number]{-moz-appearance:textfield;appearance:textfield}
.ctry.out{opacity:.6}
.ctry .price{font-variant-numeric:tabular-nums}
.np-grab{display:none}
.np-x{display:none}
.np-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}
body.np-lock{overflow:hidden}
/* ---- 手机优先：公告弹窗变底部抽屉（桌面保持居中弹窗不变）---- */
@media(max-width:700px){
  .np-back{padding:0;align-items:flex-end}
  .np-card{max-width:none;width:100%;border-radius:18px 18px 0 0;max-height:88vh;
    padding:14px 18px calc(18px + env(safe-area-inset-bottom,0px));
    animation:np-up .24s cubic-bezier(.2,.8,.25,1);box-shadow:0 -18px 50px rgba(0,0,0,.6)}
  .np-grab{display:block;width:44px;height:4px;border-radius:99px;background:#334155;margin:2px auto 12px}
  .np-x{display:flex;position:absolute;top:10px;right:10px;width:40px;height:40px;align-items:center;
    justify-content:center;border-radius:50%;border:1px solid var(--line);background:#0A1220;color:var(--dim);
    font-size:19px;line-height:1;cursor:pointer;z-index:2}
  .np-head h3{font-size:18px;margin-top:6px;padding-right:44px}
  .np-body{font-size:15.5px;line-height:1.65}
  .np-actions{flex-direction:column-reverse;gap:10px;margin-top:18px}
  .np-actions .btn{width:100%;text-align:center;padding:15px 18px;font-size:15.5px;border-radius:12px}
}
@keyframes np-up{from{transform:translateY(24px);opacity:.5}to{transform:translateY(0);opacity:1}}
/* ---- 手机优先：整站排版/点击区 ---- */
@media(max-width:560px){
  .hrow{padding:12px 0;gap:8px}
  .brand{font-size:12px;letter-spacing:.1em}
  nav a{margin-left:12px;font-size:12.5px}
  .hide-sm{display:none}
  .btn{padding:13px 18px;border-radius:11px}
  .grid{gap:12px;margin:18px 0}
  .card{padding:16px;border-radius:12px}
  h1{font-size:25px;margin:26px 0 6px}
  h2{font-size:18px;margin:24px 0 10px}
  .tier{flex-wrap:wrap;row-gap:10px}
  .tier .btn{padding:11px 16px}
  .steps{grid-template-columns:1fr;gap:12px;margin:20px 0}
  .qr img{width:min(70vw,220px);height:auto}
  input,textarea,select{padding:12px 13px;font-size:16px}   /* 16px 以下 iOS 会聚焦缩放 */
  .chips{gap:8px}
  table{font-size:12.5px}
}
@media(max-width:560px){h1{font-size:26px}.amount{font-size:32px}}