:root{
  --ink:#14181f;
  --ink2:#3d4654;
  --dim:#6b7684;
  --dim2:#9aa4b2;
  --line:#e6e9ef;
  --line2:#f1f3f7;
  --bg:#ffffff;
  --bg2:#f6f8fb;
  --brand:#ff6a00;
  --brand2:#e85d00;
  --brand-soft:#fff4ec;
  --blue:#1668dc;
  --blue-soft:#eaf2ff;
  --green:#0f9d58;
  --red:#e5342b;
  --radius:12px;
  --max:1200px;
  --shadow:0 1px 2px rgba(20,24,31,.05),0 8px 24px rgba(20,24,31,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Inter","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

.topbar{background:#14181f;color:#b9c2cf;font-size:12.5px}
.topbar .container{display:flex;gap:18px;align-items:center;height:36px;flex-wrap:wrap}
.topbar .right{margin-left:auto;display:flex;gap:16px}
.topbar a:hover{color:#fff}
header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:-.01em;white-space:nowrap}
.brand .mark{width:32px;height:32px;flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--dim);letter-spacing:.02em;line-height:1.1}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ink2);transition:color .2s}
.nav-links a:hover{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:8px;font-size:14.5px;font-weight:500;
  border:1px solid var(--line);color:var(--ink);background:#fff;cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.primary:hover{background:var(--brand2);color:#fff}
.btn.dark{background:#14181f;color:#fff;border-color:#14181f}
.btn.dark:hover{background:#000;color:#fff}
.btn.lg{height:48px;padding:0 26px;font-size:15.5px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--ink);cursor:pointer;font-size:17px}

.hero{background:linear-gradient(160deg,#fff6f0 0%,#fff 55%,#f4f8ff 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:60px 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(29px,4.2vw,46px);line-height:1.18;font-weight:750;letter-spacing:-.02em}
.hero h1 .g{color:var(--brand)}
.hero .en{margin-top:14px;font-size:clamp(14px,1.7vw,17px);color:var(--ink2)}
.hero .lede{margin-top:12px;color:var(--dim);font-size:15.5px;max-width:540px}
.hero-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}
.hero-badges div{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink2)}
.hero-badges svg{width:16px;height:16px;flex:none}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:22px}
.hero-card .hc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.hero-card .hc-head b{font-size:15px}
.hero-card .hc-head span{font-size:12px;color:var(--green);background:#eaf7f0;padding:3px 9px;border-radius:999px}
.mini{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line2)}
.mini:last-child{border-bottom:none}
.mini .thumb{width:44px;height:44px;border-radius:9px;background:var(--bg2);flex:none;
  display:flex;align-items:center;justify-content:center}
.mini .thumb svg{width:22px;height:22px}
.mini .t{flex:1;min-width:0}
.mini .t b{display:block;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini .t span{font-size:12.5px;color:var(--dim)}
.mini .p{font-size:15px;font-weight:700;color:var(--red);white-space:nowrap}

section{padding:70px 0}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head .kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:10px}
.sec-head h2{font-size:clamp(23px,3.1vw,34px);font-weight:750;letter-spacing:-.015em;line-height:1.3}
.sec-head p{margin-top:10px;color:var(--dim);font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;transition:.22s}
.card:hover{box-shadow:var(--shadow);border-color:#dde3ec}
.card h3{font-size:16.5px;font-weight:650;margin-bottom:8px}
.card .sub{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim2);margin-bottom:10px}
.card p{color:var(--dim);font-size:14.5px}
.card .ico{width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .ico svg{width:20px;height:20px}

.cat{display:block;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.22s}
.cat:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.cat .thumb{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.cat .thumb svg{width:46px;height:46px}
.cat .meta{padding:15px 18px}
.cat .meta b{display:block;font-size:16px;font-weight:650}
.cat .meta em{display:block;font-style:normal;font-size:12.5px;color:var(--dim);margin-top:1px}
.cat .meta p{font-size:13.5px;color:var(--dim);margin-top:7px}

.goods{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;overflow:hidden;transition:.22s}
.goods:hover{box-shadow:var(--shadow);border-color:#ffd7bd}
.goods .thumb{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.goods .thumb svg{width:52px;height:52px}
.goods .body{padding:16px 18px;display:flex;flex-direction:column;flex:1}
.goods .body b{font-size:15.5px;font-weight:650;line-height:1.45}
.goods .body .en{font-size:12.5px;color:var(--dim2);margin-top:2px}
.goods .body .desc{font-size:13.5px;color:var(--dim);margin-top:8px;flex:1}
.goods .foot{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:14px}
.price{font-size:20px;font-weight:750;color:var(--red);line-height:1.1}
.price .from{display:block;font-size:11.5px;color:var(--dim2);font-weight:400}
.stock{font-size:12.5px;color:var(--dim)}
.buy{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;
  border-radius:8px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:.2s;white-space:nowrap}
.buy:hover{background:var(--brand2)}
.goods .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.goods .tags span{font-size:11.5px;padding:2px 7px;border-radius:5px;background:var(--bg2);color:var(--dim)}
.goods .tags span.hot{background:var(--brand-soft);color:var(--brand2)}
.goods .tags span.auto{background:#eaf7f0;color:var(--green)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step .n{width:34px;height:34px;border-radius:50%;background:#14181f;color:#fff;display:flex;
  align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-bottom:12px}
.step h4{font-size:15.5px;font-weight:650;margin-bottom:5px}
.step p{font-size:14px;color:var(--dim)}

.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq details{border-bottom:1px solid var(--line2)}
.faq details:last-child{border-bottom:none}
.faq summary{cursor:pointer;padding:16px 20px;font-size:15px;font-weight:600;list-style:none;display:flex;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--brand);font-size:18px;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 20px 18px;color:var(--dim);font-size:14.5px}

.form{display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.field .hint{font-size:12.5px;color:var(--dim);margin-top:5px}
input[type=text],input[type=email],input[type=number],select,textarea{
  width:100%;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:8px;
  font-size:14.5px;color:var(--ink);background:#fff;font-family:inherit;
}
textarea{height:auto;padding:12px;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,0,.1)}
.radio{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;cursor:pointer;transition:.2s;margin-bottom:10px}
.radio:hover{border-color:#ffd7bd}
.radio.on{border-color:var(--brand);background:var(--brand-soft)}
.radio input{accent-color:var(--brand);width:16px;height:16px}
.radio .r{flex:1}
.radio .r b{display:block;font-size:14.5px;font-weight:600}
.radio .r span{font-size:12.5px;color:var(--dim)}
.radio .fee{font-size:13px;color:var(--dim)}

.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px}
.panel h3{font-size:16px;font-weight:650;margin-bottom:14px}
.summary{background:var(--bg2);border-radius:10px;padding:16px}
.summary .row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:5px 0}
.summary .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;
  font-size:16px;font-weight:700}
.summary .row.total .v{color:var(--red)}
.notice{border:1px solid #ffd7bd;background:var(--brand-soft);border-radius:10px;padding:14px 16px;
  font-size:13.5px;color:#8a3b00;line-height:1.65}
.notice b{color:#6b2c00}
.ok-box{border:1px solid #bfe5cd;background:#eaf7f0;border-radius:10px;padding:14px 16px;font-size:13.5px;color:#0b6b3c}
.codebox{background:#14181f;color:#e8ecf2;border-radius:10px;padding:14px 16px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:13.5px;word-break:break-all}
.copybar{display:flex;gap:10px;align-items:center;margin-top:10px;flex-wrap:wrap}
.copybar .msg{font-size:13px;color:var(--green);opacity:0;transition:.2s}
.copybar .msg.on{opacity:1}

.status{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:4px 10px;border-radius:999px}
.status.wait{background:var(--brand-soft);color:var(--brand2)}
.status.paid{background:#eaf7f0;color:var(--green)}
.ordlist{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.orditem{border:1px solid var(--line);border-radius:10px;padding:16px;background:#fff}
.orditem .h{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.orditem .h b{font-size:15px}
.orditem .m{font-size:13.5px;color:var(--dim);margin-top:8px;line-height:1.8}
.empty{border:1px dashed var(--line);border-radius:10px;padding:28px;text-align:center;color:var(--dim);font-size:14.5px}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;background:#fff;min-width:620px}
th{text-align:left;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);
  font-weight:600;padding:13px 16px;background:var(--bg2);border-bottom:1px solid var(--line)}
td{padding:13px 16px;border-bottom:1px solid var(--line2);font-size:14.5px}
tbody tr:last-child td{border-bottom:none}

.cta-band{background:linear-gradient(120deg,#14181f,#3a2410 55%,#ff6a00);color:#fff;border-radius:16px;padding:44px;text-align:center}
.cta-band h2{font-size:clamp(21px,2.9vw,30px);font-weight:750}
.cta-band p{margin-top:10px;color:#f0dcd0;font-size:15px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-band .row{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.cta-band .btn{border-color:rgba(255,255,255,.3);color:#fff;background:transparent}
.cta-band .btn:hover{border-color:#fff;color:#fff}
.cta-band .btn.primary{background:#fff;color:#14181f;border-color:#fff}

.crumb{font-size:13px;color:var(--dim2);padding:20px 0 0}
.crumb a{color:var(--dim)}
.crumb a:hover{color:var(--brand)}
.page-head{padding:34px 0 6px;border-bottom:1px solid var(--line);margin-bottom:6px}
.page-head h1{font-size:clamp(24px,3.4vw,36px);font-weight:750;letter-spacing:-.02em;line-height:1.25}
.page-head .en{margin-top:8px;font-size:14.5px;color:var(--dim)}
.page-head p{margin-top:10px;color:var(--ink2);font-size:15.5px;max-width:760px}
.prose{max-width:820px}
.prose h2{font-size:24px;font-weight:700;margin:34px 0 12px}
.prose h3{font-size:18px;font-weight:650;margin:24px 0 8px}
.prose p{color:var(--ink2);font-size:15px;margin-bottom:12px}
.prose ul{margin:0 0 14px 22px;color:var(--ink2);font-size:15px}
.prose li{margin-bottom:6px}

footer{background:#14181f;color:#b9c2cf;padding:52px 0 26px;margin-top:10px}
.f-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:32px}
footer .brand{color:#fff}
footer .brand small{color:#8d98a8}
footer p.f-desc{margin-top:14px;font-size:13.5px;color:#8d98a8;max-width:330px;line-height:1.75}
.f-col h5{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#8d98a8;margin-bottom:12px;font-weight:600}
.f-col a{display:block;font-size:14px;color:#b9c2cf;margin-bottom:8px}
.f-col a:hover{color:#fff}
.f-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8d98a8}

@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:44px 24px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:102px;flex-direction:column;
    align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);
    padding:10px 24px 16px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;border-bottom:1px solid var(--line2)}
  .nav-actions{display:none}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 20px}
  section{padding:52px 0}
  .topbar{display:none}
}