:root{--bg:#081426;--bg2:#0d1d35;--panel:#11243f;--panel2:#16304f;--line:#24406a;--text:#eaf0f7;--muted:#8fa4bf;
  --or:#ff8a3d;--gr:#3ddc97;--rd:#ff5c66;--bl:#4da3ff;--al:#ff6a00;--tm:#ff4f5e;--tb:#ff7a1a}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(160deg,#0a1830,#060f1e) fixed;color:var(--text);
  font:16px/1.6 "Microsoft YaHei UI","Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif}
a{color:inherit}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:24px;padding:14px 32px;background:rgba(8,20,38,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-size:22px;font-weight:800;letter-spacing:4px;white-space:nowrap}
.brand b{color:var(--or);letter-spacing:1px;margin-left:8px}
.brand span{font-size:14px;font-weight:400;letter-spacing:1px;color:var(--muted);margin-left:14px}
nav{display:flex;gap:6px;flex-wrap:wrap}
nav a{text-decoration:none;padding:8px 16px;border-radius:20px;color:var(--muted);border:1px solid transparent}
nav a.on{background:var(--or);color:#1a0d02;font-weight:700}
nav a:hover:not(.on){border-color:var(--line);color:var(--text)}
.demo{margin-left:auto;font-size:13px;color:var(--or);border:1px solid var(--or);border-radius:14px;padding:3px 12px}
main{max-width:1280px;margin:0 auto;padding:28px 32px 40px}
h1{font-size:34px;margin:6px 0 4px}
h2{font-size:22px;margin:34px 0 14px}
.lead{color:var(--muted);margin:0 0 22px;font-size:17px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}
.kpi .v{font-size:32px;font-weight:800;font-family:"Segoe UI","Microsoft YaHei UI",sans-serif;font-variant-numeric:tabular-nums}
.kpi .k{color:var(--muted);font-size:14px}
.kpi .s{color:var(--muted);font-size:13px;margin-top:4px}
.step{position:relative;cursor:pointer;transition:transform .15s,border-color .15s}
.step:hover{transform:translateY(-3px);border-color:var(--or)}
.step .n{width:34px;height:34px;border-radius:17px;background:var(--panel2);border:2px solid var(--or);display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{margin:12px 0 4px;font-size:19px}
.step .m{font-size:26px;font-weight:800;margin-top:8px;font-variant-numeric:tabular-nums}
.step .d{color:var(--muted);font-size:14px}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:10px;margin:8px 6px 0 0}
.t-auto{background:rgba(61,220,151,.15);color:var(--gr)}
.t-own{background:rgba(255,138,61,.15);color:var(--or)}
.badge{display:inline-block;padding:1px 9px;border-radius:6px;font-size:13px;font-weight:700;color:#fff}
.b1688{background:var(--al)}.b天猫{background:var(--tm)}.b淘宝{background:var(--tb)}
table{width:100%;border-collapse:collapse;font-size:15px}
th{color:var(--muted);font-weight:400;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid rgba(36,64,106,.5)}
.num{font-variant-numeric:tabular-nums;text-align:right}
.ok{color:var(--gr)}.wait{color:var(--muted)}.bad{color:var(--rd)}
.bar{height:10px;border-radius:5px;background:var(--line);overflow:hidden;display:flex}
.bar i{display:block;height:100%}
details.order{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin:10px 0;overflow:hidden}
details.order summary{list-style:none;cursor:pointer;padding:14px 18px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
details.order summary::-webkit-details-marker{display:none}
details.order[open] summary{border-bottom:1px solid var(--line)}
details.order .body{padding:6px 10px 12px;overflow-x:auto}
.pipe{display:flex;gap:6px;flex-wrap:wrap}
.pipe span{font-size:13px;padding:3px 10px;border-radius:12px;background:var(--panel2);color:var(--muted)}
.pipe span.done{background:rgba(61,220,151,.15);color:var(--gr)}
.pipe span.part{background:rgba(77,163,255,.15);color:var(--bl)}
.flow{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.flow .f{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:8px 14px}
.flow .a{color:var(--or)}
video{width:100%;border-radius:16px;border:1px solid var(--line);background:#000;display:block}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:20px 16px 30px}
.note{color:var(--muted);font-size:14px}
@media (max-width:960px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}
@media (max-width:560px){main{padding:18px 16px 30px}.top{padding:12px 16px;gap:10px}.g4{grid-template-columns:1fr 1fr}
  .brand span{display:none}.demo{margin-left:0}h1{font-size:26px}.kpi .v{font-size:24px}}