:root{
--bg:#F3F5F8;--ink:#0A0C10;--ink2:#4B5364;--ink3:#7C8493;
--line:rgba(10,12,16,.08);--line2:rgba(10,12,16,.13);
--glass:rgba(255,255,255,.64);--acc:#0AA37F;--acc2:#2F6BFF;--acc3:#7B61FF;
--shadow-s:0 1px 2px rgba(10,12,16,.04),0 6px 18px rgba(10,12,16,.06);
--shadow-m:0 2px 6px rgba(10,12,16,.05),0 18px 46px rgba(10,12,16,.10);
--shadow-l:0 6px 18px rgba(10,12,16,.06),0 40px 90px rgba(10,12,16,.14);
--ease:cubic-bezier(.16,1,.3,1);--r:20px;--maxw:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15.5px/1.62 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC",Inter,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.032em;font-weight:640;line-height:1.1}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;position:relative;z-index:2}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;will-change:transform}
.b1{width:740px;height:740px;left:-240px;top:-340px;background:radial-gradient(circle,#A9F0DC,#7ED8FF 62%,transparent 72%);animation:fl1 26s var(--ease) infinite}
.b2{width:680px;height:680px;right:-280px;top:-200px;background:radial-gradient(circle,#C9D4FF,#A9BBFF 58%,transparent 72%);animation:fl2 32s var(--ease) infinite}
.b3{width:600px;height:600px;left:42%;top:56%;background:radial-gradient(circle,#FFE3C7,#FFD3E0 58%,transparent 72%);opacity:.4;animation:fl3 38s var(--ease) infinite}
@keyframes fl1{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(60px,70px,0) scale(1.08)}}
@keyframes fl2{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-70px,50px,0) scale(1.1)}}
@keyframes fl3{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-40px,-60px,0) scale(1.06)}}
.grid-l{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(circle at 50% 10%,#000 0%,transparent 70%)}
.grain{position:absolute;inset:0;opacity:.12;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.5'/></svg>")}
#prog{position:fixed;top:0;left:0;height:2px;width:0;z-index:99;background:linear-gradient(90deg,#0AA37F,#2F6BFF,#7B61FF)}
::selection{background:rgba(47,107,255,.16)}
header{position:fixed;top:0;left:0;right:0;z-index:60;padding:10px 0;transition:padding .45s var(--ease),background .4s,box-shadow .4s,border-color .4s;border-bottom:1px solid transparent}
header.pinned{padding:6px 0;background:rgba(255,255,255,.72);backdrop-filter:blur(26px) saturate(180%);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(10,12,16,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;height:46px}
.brand{display:flex;align-items:center;gap:9px;font-weight:660;font-size:15.5px;letter-spacing:-.02em}
.logo{width:25px;height:25px;border-radius:8px;position:relative;overflow:hidden;background:linear-gradient(150deg,#0AA37F,#2F6BFF 60%,#7B61FF);box-shadow:0 6px 16px rgba(47,107,255,.32)}
.logo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.55),transparent 55%)}
.nav nav{display:flex;gap:2px;padding:3px;border-radius:999px;background:rgba(255,255,255,.55);border:1px solid var(--line);backdrop-filter:blur(14px);box-shadow:var(--shadow-s)}
.nav nav a{font-size:13px;color:var(--ink2);padding:6px 13px;border-radius:999px;transition:.25s var(--ease)}
.nav nav a:hover{color:var(--ink);background:rgba(10,12,16,.045)}
.nav nav a.on{color:#fff;background:#111318}
.nav-r{display:flex;align-items:center;gap:8px}
.ticker{height:34px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line);background:rgba(255,255,255,.5);backdrop-filter:blur(14px);font-size:12px;color:var(--ink3);position:relative;z-index:40;margin-top:66px}
.ticker .in{display:flex;gap:28px;white-space:nowrap;animation:tk 40s linear infinite;padding-left:26px}
@keyframes tk{to{transform:translateX(-50%)}}
.ticker b{color:var(--ink);font-weight:600}
.dotlive{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--acc);margin-right:6px;animation:p2 2s infinite}
@keyframes p2{0%,100%{opacity:1}50%{opacity:.3}}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:13px;font-size:14.5px;font-weight:590;border:1px solid var(--line2);background:rgba(255,255,255,.75);backdrop-filter:blur(14px);color:var(--ink);box-shadow:var(--shadow-s);cursor:pointer;transition:transform .42s var(--ease),box-shadow .42s var(--ease),background .3s,border-color .3s;overflow:hidden}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(10,12,16,.2)}
.btn:active{transform:scale(.975)}
.btn .sheen{position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.7) 45%,transparent 62%);transform:translateX(-120%);transition:transform .9s var(--ease)}
.btn:hover .sheen{transform:translateX(120%)}
.btn.primary{background:linear-gradient(175deg,#14171d,#080A0E);color:#fff;border-color:transparent;box-shadow:0 2px 6px rgba(10,12,16,.16),0 18px 40px rgba(10,12,16,.22)}
.btn.sm{height:38px;padding:0 14px;font-size:13px;border-radius:11px}
.btn.block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.glass{background:var(--glass);backdrop-filter:blur(24px) saturate(180%);border:1px solid rgba(255,255,255,.72);box-shadow:var(--shadow-m);border-radius:var(--r);position:relative;overflow:hidden}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.66),transparent 42%)}
.card{padding:22px}
.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--acc);text-transform:uppercase;font-weight:620}
.h2{font-size:clamp(26px,3vw,36px);margin:12px 0 0}
.h3{font-size:19px}
.lead{color:var(--ink2);margin:12px 0 0;max-width:660px;font-size:15px}
.small{font-size:12.5px;color:var(--ink3)}
section{padding:74px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12.5px;padding:8px 13px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.6);color:var(--ink2);cursor:pointer;transition:.22s var(--ease);user-select:none}
.chip:hover{color:var(--ink);border-color:var(--line2);transform:translateY(-1px)}
.chip.on{background:#111318;color:#fff;border-color:#111318;box-shadow:0 8px 20px rgba(10,12,16,.18)}
.tag{font-size:11px;color:#0A6B54;background:rgba(10,163,127,.09);border:1px solid rgba(10,163,127,.2);padding:4px 9px;border-radius:999px}
.tag.gray{color:var(--ink3);background:rgba(10,12,16,.04);border-color:var(--line)}
.rv{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}
.shop{display:grid;grid-template-columns:1.35fr .65fr;gap:20px;margin-top:26px;align-items:start}
.step-block{padding:20px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.55);margin-bottom:12px}
.step-block .n{font-size:11px;letter-spacing:.14em;color:var(--ink3)}
.step-block h4{margin:6px 0 12px;font-size:15px}
.opt{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px}
.opt .o{padding:13px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:.25s var(--ease);position:relative}
.opt .o:hover{border-color:var(--line2);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.opt .o.on{border-color:rgba(47,107,255,.5);box-shadow:0 0 0 4px rgba(47,107,255,.1)}
.opt .o b{display:block;font-size:14px;font-weight:600}
.opt .o span{font-size:11.5px;color:var(--ink3)}
.opt .o .stock{position:absolute;top:9px;right:9px;font-size:10px;color:var(--acc);background:rgba(10,163,127,.08);padding:2px 6px;border-radius:6px}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line2);border-radius:11px;overflow:hidden;background:#fff}
.stepper button{width:36px;height:36px;border:0;background:#fff;font-size:16px;cursor:pointer;color:var(--ink2)}
.stepper button:hover{background:rgba(10,12,16,.04)}
.stepper span{min-width:38px;text-align:center;font-size:14px;font-weight:600}
.summary{position:sticky;top:86px;padding:22px;border-radius:20px;background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow-l);backdrop-filter:blur(24px)}
.summary h4{margin:0 0 12px;font-size:11px;letter-spacing:.12em;color:var(--ink3);text-transform:uppercase}
.srow{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:13.5px;color:var(--ink2);border-bottom:1px dashed var(--line)}
.srow b{color:var(--ink);font-weight:600}
.total{display:flex;align-items:baseline;justify-content:space-between;margin:14px 0 2px}
.total b{font-size:34px;letter-spacing:-.03em;font-weight:660}
.total span{font-size:12.5px;color:var(--ink3)}
.note{font-size:11.5px;color:var(--ink3);line-height:1.55;margin-top:10px}
.pay{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.pay span{font-size:11px;color:var(--ink3);border:1px solid var(--line);border-radius:7px;padding:4px 9px;background:rgba(255,255,255,.6)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.kpi{padding:18px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.62);box-shadow:var(--shadow-s)}
.kpi em{font-style:normal;display:block;font-size:11.5px;color:var(--ink3)}
.kpi b{font-size:22px;letter-spacing:-.02em;display:block;margin-top:6px}
.kpi .bar{height:5px;border-radius:99px;background:rgba(10,12,16,.07);margin-top:10px;overflow:hidden}
.kpi .bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#0AA37F,#2F6BFF);transition:width 1.2s var(--ease)}
.log{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--ink2);border-top:1px solid var(--line);margin-top:6px}
.log div{display:flex;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}
.log time{color:var(--ink3);flex:0 0 84px}
.doc{display:grid;grid-template-columns:210px 1fr;gap:30px;margin-top:24px;align-items:start}
.doc nav{position:sticky;top:92px;display:flex;flex-direction:column;gap:2px;font-size:13.5px}
.doc nav a{padding:8px 11px;border-radius:9px;color:var(--ink2)}
.doc nav a:hover{background:rgba(10,12,16,.045);color:var(--ink)}
.doc nav a.on{background:#111318;color:#fff}
.prose h3{font-size:19px;margin:32px 0 8px}
.prose h3:first-child{margin-top:0}
.prose p{color:var(--ink2);font-size:14.5px;margin:10px 0}
.prose ul{color:var(--ink2);font-size:14.5px;padding-left:18px}
.prose li{margin:6px 0}
.prose pre{background:#0d1015;color:#cdd6e4;border-radius:14px;padding:15px 17px;overflow:auto;font-size:12.3px;line-height:1.8}
.code{background:rgba(10,12,16,.06);border-radius:6px;padding:1px 6px;font-size:12.5px}
.status-list{display:grid;gap:10px;margin-top:22px}
.st{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.66);border:1px solid var(--line)}
.st .nm{flex:1;font-size:14px}
.st .ms{font-size:12.5px;color:var(--ink3);font-variant-numeric:tabular-nums}
.st .ok{font-size:11.5px;color:#0A6B54;background:rgba(10,163,127,.09);border:1px solid rgba(10,163,127,.2);padding:3px 8px;border-radius:999px}
.bars{display:flex;gap:3px;align-items:flex-end;height:32px;margin-top:16px}
.bars i{flex:1;background:linear-gradient(180deg,#8FE3C9,#39B79A);border-radius:3px;opacity:.85}
.tbl{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.66);box-shadow:var(--shadow-s);margin-top:20px}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);font-weight:600;background:rgba(255,255,255,.5)}
tr:last-child td{border-bottom:0}
.yes{color:#0A8564;font-weight:560}.no{color:#98A0AE}
footer{border-top:1px solid var(--line);padding:34px 0 58px;color:var(--ink3);font-size:12.5px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px}
.fgrid h5{margin:0 0 10px;font-size:11px;color:var(--ink);letter-spacing:.08em;text-transform:uppercase}
.fgrid a{display:block;padding:4px 0;color:var(--ink3)}
.fgrid a:hover{color:var(--ink)}
@media(max-width:980px){
.shop{grid-template-columns:1fr}.summary{position:static}
.kpis{grid-template-columns:repeat(2,1fr)}
.doc{grid-template-columns:1fr}.doc nav{position:static;flex-direction:row;overflow:auto}
.fgrid{grid-template-columns:1fr 1fr}.nav nav{display:none}
}

/* ===== 支付弹层 ===== */
.paymask{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(10,12,16,.34);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);opacity:0;transition:opacity .32s var(--ease)}
.paymask.show{display:flex;opacity:1}
.paycard{width:min(560px,100%);background:rgba(255,255,255,.9);backdrop-filter:blur(30px) saturate(180%);
  border:1px solid rgba(255,255,255,.7);border-radius:24px;box-shadow:var(--shadow-l);overflow:hidden;
  transform:translateY(14px) scale(.97);opacity:0;transition:transform .42s var(--ease),opacity .42s var(--ease)}
.paymask.show .paycard{transform:none;opacity:1}
.payhead{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}
.payhead b{font-size:15.5px;letter-spacing:-.02em}
.payhead .small{display:block;margin-top:2px}
.payclose{width:30px;height:30px;border-radius:50%;border:1px solid var(--line2);background:rgba(255,255,255,.7);
  color:var(--ink2);font-size:13px;line-height:1;cursor:pointer;transition:transform .2s var(--ease),background .2s}
.payclose:hover{background:#fff;transform:rotate(90deg)}
.paybody{display:flex;gap:22px;padding:22px 20px;align-items:flex-start}
.qrcol{flex:0 0 188px;text-align:center}
.qrwrap{width:188px;height:188px;border-radius:16px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-s);padding:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.qrwrap svg{display:block;width:100%;height:auto;image-rendering:pixelated}
.qrskel{width:100%;height:100%;border-radius:10px;background:linear-gradient(100deg,rgba(10,12,16,.04) 30%,rgba(10,12,16,.09) 50%,rgba(10,12,16,.04) 70%);
  background-size:220% 100%;animation:shim 1.2s linear infinite}
@keyframes shim{0%{background-position:120% 0}100%{background-position:-20% 0}}
.qrhint{margin-top:9px;font-size:12px;color:var(--ink3);letter-spacing:.02em}
.payinfo{flex:1;min-width:0}
.prow{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.prow span{color:var(--ink3);flex:0 0 auto}
.prow b{font-weight:600;text-align:right;word-break:break-all}
.prow b.big{font-size:22px;letter-spacing:-.03em;color:var(--ink)}
.payhint{margin-top:12px;font-size:12.5px;color:var(--ink2);background:rgba(10,163,127,.07);
  border:1px solid rgba(10,163,127,.18);border-radius:12px;padding:9px 11px;line-height:1.55}
.payhint.err{color:#8A2D1B;background:rgba(200,80,50,.07);border-color:rgba(200,80,50,.2)}
.paydone{padding:26px 22px 24px;text-align:center}
.okmark{width:52px;height:44px;margin:0 auto 12px;color:var(--acc);font-size:22px;font-weight:700;
  display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(10,163,127,.1);
  animation:pop .5s var(--ease)}
@keyframes pop{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}
.subinput{width:100%;padding:11px 13px;border-radius:12px;border:1px solid var(--line2);background:#fff;
  font:12.5px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink2);text-align:center}
.btn.busy{opacity:.7;pointer-events:none}
@media(max-width:600px){
  .paybody{flex-direction:column;align-items:center}
  .qrcol{flex:none}
  .payinfo{width:100%}
}