:root{
  --bg:#12151c; --bg2:#171d2d; --card:rgba(255,255,255,.028);
  --line:rgba(124,92,255,.22); --line2:rgba(255,255,255,.07);
  --txt:#e9edf7; --dim:#8d98b2; --dim2:#5f6a85;
  --pu:#7c5cff; --pu2:#a78bfa; --cy:#22d3ee;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:15.5px; line-height:1.85; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(760px 520px at 50% 108%, rgba(124,92,255,.08), transparent 62%);
}
.wrap{position:relative; z-index:1}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 26px}

/* ---------- header ---------- */
header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  background:rgba(18,21,28,.82); border-bottom:1px solid var(--line2);
}
.hd{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.4px}
.logo .mk{
  width:30px;height:30px;border-radius:8px;flex:0 0 30px;
  background:linear-gradient(135deg,var(--pu),var(--cy));
  display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;
  box-shadow:0 0 22px rgba(124,92,255,.5);
}
.logo .tx b{font-size:16px;color:#fff}
.logo .tx span{display:block;font-size:10.5px;color:var(--dim2);letter-spacing:2.4px;font-weight:500;line-height:1.2}
nav{display:flex;gap:4px;align-items:center}
nav a{
  padding:7px 13px;border-radius:8px;font-size:14px;color:var(--dim);
  transition:.18s; white-space:nowrap;
}
nav a:hover{color:#fff;background:rgba(124,92,255,.13)}
nav a.on{color:#fff;background:rgba(124,92,255,.18);box-shadow:inset 0 0 0 1px var(--line)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--txt);
  width:38px;height:34px;border-radius:8px;font-size:17px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:88px 0 64px;position:relative}
.hero .tag{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:var(--pu2);
  border:1px solid var(--line);background:rgba(124,92,255,.08);
  padding:5px 14px;border-radius:999px;margin-bottom:26px;letter-spacing:.5px;
}
.hero .tag i{width:6px;height:6px;border-radius:50%;background:var(--cy);
  box-shadow:0 0 10px var(--cy);animation:pl 2.4s infinite}
@keyframes pl{50%{opacity:.32}}
h1{
  font-size:clamp(31px,4.5vw,54px);line-height:1.24;font-weight:800;letter-spacing:-.4px;
  background:linear-gradient(96deg,#fff 8%,#cfc4ff 46%,#7fe6f5 96%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero .sub{
  margin-top:20px;font-size:clamp(15px,1.9vw,19px);color:var(--pu2);
  letter-spacing:3px;font-weight:500;
}
.hero .lead{margin-top:24px;max-width:760px;color:var(--dim);font-size:16px;line-height:1.95}
.hero .cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:10px;
  font-size:14.5px;font-weight:600;transition:.2s;border:1px solid transparent;
}
.btn-p{background:linear-gradient(135deg,var(--pu),#5b3fd6);color:#fff;
  box-shadow:0 8px 30px rgba(124,92,255,.34)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(124,92,255,.46)}
.btn-g{border-color:var(--line);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-g:hover{border-color:var(--pu);color:#fff;background:rgba(124,92,255,.1)}

/* ---------- stat bar ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line2);border:1px solid var(--line2);border-radius:14px;overflow:hidden;
  margin-top:52px;
}
.stats div{background:var(--bg2);padding:24px 20px;text-align:center}
.stats b{display:block;font-size:27px;font-weight:800;
  background:linear-gradient(135deg,#fff,var(--pu2));-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.stats span{display:block;font-size:12.5px;color:var(--dim2);margin-top:7px;letter-spacing:.6px}

/* ---------- section ---------- */
section{padding:74px 0}
.sec-hd{margin-bottom:42px}
.sec-hd .k{font-size:12px;letter-spacing:3.2px;color:var(--pu);font-weight:700;text-transform:uppercase}
.sec-hd h2{font-size:clamp(23px,3vw,33px);font-weight:750;margin-top:12px;letter-spacing:-.2px}
.sec-hd p{color:var(--dim);margin-top:14px;max-width:800px}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line2);border-radius:15px;padding:28px 26px;
  position:relative;overflow:hidden;transition:.24s;
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--pu),var(--cy));opacity:0;transition:.24s;
}
.card:hover{border-color:var(--line);transform:translateY(-3px);
  background:rgba(124,92,255,.045)}
.card:hover::after{opacity:1}
.card .no{
  font-size:12px;font-weight:800;color:var(--pu);letter-spacing:1.6px;margin-bottom:13px;
  display:inline-flex;align-items:center;gap:8px;
}
.card .no::before{content:"";width:16px;height:1px;background:var(--pu)}
.card h3{font-size:17.5px;font-weight:700;margin-bottom:12px;color:#fff}
.card p{color:var(--dim);font-size:14.3px;line-height:1.9}
.card ul{margin-top:4px;padding-left:0;list-style:none}
.card li{color:var(--dim);font-size:14.3px;line-height:1.9;padding-left:16px;position:relative;margin-bottom:7px}
.card li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;
  border-radius:50%;background:var(--pu);opacity:.75}
.card li b{color:#d9d2ff;font-weight:600}

/* ---------- table ---------- */
.tw{overflow-x:auto;border:1px solid var(--line2);border-radius:14px;background:var(--bg2)}
table{width:100%;border-collapse:collapse;font-size:14.2px;min-width:620px}
th{
  background:rgba(124,92,255,.09);color:#fff;font-weight:650;text-align:left;
  padding:15px 18px;font-size:13.4px;letter-spacing:.5px;border-bottom:1px solid var(--line2);
  white-space:nowrap;
}
td{padding:15px 18px;border-bottom:1px solid rgba(255,255,255,.045);color:var(--dim);vertical-align:top}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(124,92,255,.04);color:var(--txt)}
td.mono{font-family:"SF Mono",Consolas,Monaco,monospace;color:var(--pu2);font-size:13.6px;white-space:nowrap}
.pill{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(34,211,238,.12);color:var(--cy);border:1px solid rgba(34,211,238,.28);
  white-space:nowrap;
}
.pill.pu{background:rgba(124,92,255,.14);color:var(--pu2);border-color:var(--line)}
.pill.pub{background:rgba(16,185,129,.14);color:#10b981;border-color:rgba(16,185,129,.3)}

/* ---------- 整机结构透视（左图右文） ---------- */
.xray{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:44px;align-items:center;margin-top:36px}
.xray .fig{margin:0;position:relative;border:1px solid var(--line2);border-radius:16px;
  overflow:hidden;background:#21212f;box-shadow:0 30px 80px -34px rgba(124,92,255,.55)}
.xray .fig img{display:block;width:100%;height:auto}
.xray .fig .badge{position:absolute;top:13px;left:13px;z-index:2;font-size:11px;letter-spacing:1.8px;
  color:var(--pu2);border:1px solid var(--line);background:rgba(18,21,28,.8);
  padding:4px 11px;border-radius:999px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.xray .txt h3{font-size:19.5px;font-weight:700;margin-bottom:18px}
.xray .txt ul{list-style:none}
.xray .txt li{border-left:2px solid var(--line);padding:1px 0 1px 16px;
  margin-bottom:16px;color:var(--dim);font-size:14.2px;line-height:1.8}
.xray .txt li:last-child{margin-bottom:0}
.xray .txt li b{color:var(--txt);font-weight:650}
.xray .txt .note{display:block;margin-top:22px;padding-top:16px;border-top:1px solid var(--line2);
  color:var(--dim2);font-size:12.4px;line-height:1.85}
@media(max-width:880px){.xray{grid-template-columns:1fr;gap:26px}}

/* ---------- flow ---------- */
.flow{display:flex;flex-direction:column;align-items:center;gap:0;margin:8px 0}
.flow .n{
  width:min(560px,100%);text-align:center;padding:15px 22px;border-radius:11px;
  border:1px solid var(--line);background:rgba(124,92,255,.07);font-size:14.4px;color:#ded9ff;
  font-weight:550;
}
.flow .n.dim2{border-color:var(--line2);background:rgba(255,255,255,.025);color:var(--dim)}
.flow .ar{color:var(--pu);font-size:17px;line-height:1;padding:9px 0;opacity:.75}

/* ---------- steps ---------- */
.step{display:flex;gap:20px;align-items:flex-start}
.step .dot{
  flex:0 0 42px;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--pu),#4d33b8);box-shadow:0 0 24px rgba(124,92,255,.3);
}
.step.ing .dot{background:linear-gradient(135deg,var(--cy),#0e7f96);box-shadow:0 0 24px rgba(34,211,238,.36)}
.step .bd h3{font-size:17px;font-weight:700;margin-bottom:9px;color:#fff}

/* ---------- note ---------- */
.note{
  border-left:2px solid var(--pu);background:rgba(124,92,255,.055);
  padding:17px 22px;border-radius:0 11px 11px 0;color:var(--dim);font-size:14.3px;
}
.note b{color:#d9d2ff;font-weight:600}
.warn{border-left-color:#f0a020;background:rgba(240,160,32,.06)}
.warn b{color:#f7c667}

/* ---------- contact ---------- */
.cbox{
  border:1px solid var(--line);border-radius:16px;padding:38px;text-align:center;
  background:radial-gradient(700px 300px at 50% 0%,rgba(124,92,255,.14),transparent 70%);
}
.cbox .k{font-size:12.5px;letter-spacing:3px;color:var(--pu);font-weight:700}
.cbox h2{font-size:26px;margin:14px 0 22px;font-weight:750}
.cbox .rows{display:flex;justify-content:center;gap:52px;flex-wrap:wrap;margin-top:26px}
.cbox .r{min-width:170px}
.cbox .r em{display:block;font-style:normal;font-size:12px;color:var(--dim2);letter-spacing:1.4px;margin-bottom:7px}
.cbox .r b{font-size:16.5px;color:#fff;font-weight:650}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line2);margin-top:40px;padding:44px 0 34px;
  background:rgba(18,21,28,.6)}
.ft{display:flex;justify-content:space-between;gap:34px;flex-wrap:wrap}
.ft .c1{max-width:400px}
.ft .c1 b{color:#fff;font-size:15px}
.ft .c1 p{color:var(--dim2);font-size:13.2px;margin-top:11px;line-height:1.9}
.ft .c2{display:flex;gap:52px;flex-wrap:wrap}
.ft .c2 div{display:flex;flex-direction:column;gap:9px}
.ft .c2 em{font-style:normal;font-size:12px;color:var(--dim2);letter-spacing:1.4px;margin-bottom:3px}
.ft .c2 a{color:var(--dim);font-size:13.4px;transition:.18s}
.ft .c2 a:hover{color:var(--pu2)}
.copy{margin-top:34px;padding-top:22px;border-top:1px solid var(--line2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--dim2);font-size:12.6px}
/* 备案条：工信部 ICP + 公安联网备案（含徽标） */
.beian{margin-top:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  color:var(--dim);font-size:12.6px;line-height:1.6}
.beian a{color:var(--dim);text-decoration:none;transition:.18s}
.beian a:hover{color:var(--pu2)}
.beian .sep{color:var(--dim2);opacity:.6}
/* 徽标尺寸对齐 www.w1ai.cn，且内联样式兜底（样式表未加载时也不会变大） */
.beian img{width:14px;height:auto;vertical-align:middle;margin-right:3px}

/* ---------- page hero ---------- */
.phero{padding:66px 0 40px;border-bottom:1px solid var(--line2);position:relative}
.phero .k{font-size:12px;letter-spacing:3.2px;color:var(--pu);font-weight:700}
.phero h1{font-size:clamp(26px,3.6vw,42px);margin-top:15px}
.phero p{color:var(--dim);margin-top:18px;max-width:800px;font-size:15.5px}
.crumb{font-size:13px;color:var(--dim2);margin-bottom:20px}
.crumb a:hover{color:var(--pu2)}

/* ---------- misc ---------- */
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line2);
  border:1px solid var(--line2);border-radius:13px;overflow:hidden}
.kv div{background:var(--bg2);padding:19px 22px}
.kv em{display:block;font-style:normal;font-size:12.4px;color:var(--dim2);
  letter-spacing:1.2px;margin-bottom:8px}
.kv b{font-size:15px;color:#fff;font-weight:600}
.mt24{margin-top:24px}.mt36{margin-top:36px}.mt52{margin-top:52px}
.quote{font-size:15.5px;color:var(--dim);border-left:2px solid var(--cy);
  padding:6px 0 6px 20px;background:linear-gradient(90deg,rgba(34,211,238,.06),transparent)}
.quote b{color:#a8eefb}

/* ---------- applications ---------- */
.subhd{display:flex;align-items:center;gap:13px;margin:50px 0 12px;flex-wrap:wrap}
.subhd i{width:3px;height:19px;border-radius:2px;flex:0 0 3px;
  background:linear-gradient(180deg,var(--pu),var(--cy))}
.subhd b{font-size:17.5px;color:#fff;font-weight:700}
.subhd span{font-size:11.8px;color:var(--dim2);letter-spacing:2.2px;font-weight:600}
.mode{border:1px solid var(--line2);border-radius:15px;padding:30px 28px;background:var(--card);
  position:relative;overflow:hidden;transition:.24s}
.mode:hover{border-color:var(--line);transform:translateY(-3px)}
.mode::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--pu),var(--cy))}
.mode .en{font-size:11.6px;letter-spacing:2.4px;color:var(--pu);font-weight:800;margin-bottom:10px}
.mode h3{font-size:18.5px;color:#fff;font-weight:700}
.mode p{color:var(--dim);font-size:14.3px;line-height:1.9;margin-top:13px}
.mode ul{margin-top:14px;padding-left:0;list-style:none}
.mode li{color:var(--dim);font-size:14.1px;line-height:1.88;padding-left:16px;
  position:relative;margin-bottom:7px}
.mode li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;
  border-radius:50%;background:var(--cy);opacity:.8}
.mtag{display:inline-block;margin:15px 8px 0 0;padding:3px 11px;border-radius:999px;
  font-size:11.8px;color:var(--dim);border:1px solid var(--line2);background:rgba(255,255,255,.03)}
.lgd{font-size:12.6px;color:var(--dim2);margin-top:14px}
.lgd b{color:var(--cy);font-weight:700}
.lgd i{color:var(--pu2);font-style:normal;font-weight:700}
/* ---------- 开源托管 ---------- */
.code{
  background:var(--bg2);border:1px solid var(--line2);border-radius:13px;
  padding:20px 22px;margin-top:18px;overflow-x:auto;white-space:pre;
  font-family:"SF Mono",Consolas,Monaco,monospace;font-size:13.2px;line-height:1.95;
  color:#cfe9f3;
}
.code .cm{color:var(--dim2)}
.lnk{color:var(--cy);font-weight:600;border-bottom:1px solid rgba(34,211,238,.35);
  transition:.18s;word-break:break-all}
.lnk:hover{color:#fff;border-bottom-color:var(--pu2)}
.repo{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.repo a{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;
  font-size:14px;font-weight:600;border:1px solid var(--line);color:#d9d2ff;
  background:rgba(124,92,255,.09);transition:.2s;
}
.repo a:hover{background:rgba(124,92,255,.2);color:#fff;border-color:var(--pu2)}

@media(max-width:960px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  nav{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    background:#080d1a;border-bottom:1px solid var(--line2);padding:12px;gap:2px}
  nav.open{display:flex}
  nav a{padding:11px 14px}
  .burger{display:block}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .g3,.g2,.g4{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  .cbox{padding:28px 20px}
  .cbox .rows{gap:26px}
  section{padding:52px 0}
  .hero{padding:56px 0 40px}
  .hero .sub{letter-spacing:1.6px}
}