:root{
  --bg:#08090B;
  --bg2:#0C0D10;
  --surface:#121318;
  --surface2:#171920;
  --line:rgba(var(--ov),.075);
  --line2:rgba(var(--ov),.13);
  --t1:#F2F5FA;
  --t2:#A6AEBE;
  --t3:#8994AE;
  --t4:#758098;
  --brand:#4FA8F5;
  --brand2:#187DE6;
  --deep:#0546C5;
  --cyan:#61D1FA;
  --danger:#D4483A;
  --amber:#E0A24A;
  --green:#4FB980;
  --ov:255,255,255;
  --sh:0,0,0;
  --shadow:0,0,0;
  --brand-text:#9ACBFB;
  --brand-ink:#4FA8F5;
  --knob:#0C0D10;
  --code-bg:#0A0B0E;
  --code-fg:#C8D2E0;
  --code-c:#6F7A8C;
  --code-p:#61D1FA;
  --code-s:#8FD9A8;
  --code-n:#E5C07B;
  --nav-bg:rgba(8,9,11,.72);
  --grad-1:#61D1FA; --grad-2:#4FA8F5; --grad-3:#187DE6;
  --app-bg:#15161A; --app-line:rgba(255,255,255,.09);
  --av1-bg:#2A3F55; --av1-fg:#A9C0D2;
  --av2-bg:#3B3350; --av2-fg:#BFB2D2;
  --av3-bg:#2C3F35; --av3-fg:#A3C0B0;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",sans-serif;
  --mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip;scroll-padding-top:24px}
body{
  background:var(--bg);
  color:var(--t1);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-wrap:pretty;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 可访问性 ---------- */
.skip-link{
  position:fixed;left:16px;top:-64px;z-index:200;
  padding:10px 16px;border-radius:8px;
  background:var(--t1);color:var(--bg);
  font-size:13px;font-weight:600;
  transition:top .18s ease;
}
.skip-link:focus{top:14px}
:focus-visible{outline:2px solid var(--brand-ink);outline-offset:3px;border-radius:4px}
.dl-btn:focus-visible,.tour-tab:focus-visible,.copy-btn:focus-visible,.theme-btn:focus-visible{outline-offset:3px}

/* ---------- 导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-in{
  max-width:1120px;margin:0 auto;padding:0 32px;
  height:60px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;letter-spacing:-.01em}
.brand img{width:26px;height:26px;border-radius:7px;box-shadow:0 2px 8px rgba(24,125,230,.35)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:13.5px;color:var(--t3)}
.nav-links a{transition:color .15s}
.nav-links a:hover{color:var(--t1)}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--t1);color:var(--bg);
  padding:7px 15px;border-radius:7px;
  font-size:13px;font-weight:600;
  transition:opacity .15s;
}
.nav-cta:hover{opacity:.86}

/* ---------- 通用 ---------- */
section{padding:104px 0}
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-ink);margin-bottom:18px;
}
h2{font-size:38px;font-weight:700;letter-spacing:-.028em;line-height:1.18}
.lede{font-size:16px;color:var(--t3);line-height:1.75;max-width:660px;margin-top:16px}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.rule{height:1px;background:var(--line);border:none}

/* ---------- Hero ---------- */
.hero{padding:88px 0 0;position:relative}
.hero::before{
  content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  width:1100px;height:640px;pointer-events:none;
  background:radial-gradient(ellipse 50% 46% at 50% 30%,rgba(24,125,230,.16),transparent 70%);
}
.hero-in{position:relative;text-align:center}
.hero h1{
  font-size:64px;font-weight:700;letter-spacing:-.035em;line-height:1.08;
  max-width:900px;margin:0 auto;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--grad-1),var(--grad-2) 46%,var(--grad-3));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero .lede{font-size:17px;max-width:680px;margin:24px auto 0;line-height:1.7}
.hero-cta{display:flex;gap:12px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  height:44px;padding:0 22px;border-radius:9px;
  font-size:14.5px;font-weight:600;
  transition:transform .15s,opacity .15s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(180deg,#3D9BF5,#0F6FD4);
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(15,111,212,.7),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-ghost{
  background:rgba(var(--ov),.055);
  border:1px solid var(--line2);
  color:var(--t1);
}
.hero-meta{
  display:flex;gap:20px;justify-content:center;flex-wrap:wrap;
  margin-top:28px;font-family:var(--mono);font-size:11.5px;color:var(--t4);
}
.hero-meta span{display:flex;align-items:center;gap:7px}
.hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--brand);display:block}

/* ---------- 窗口截图 ---------- */
.shot-wrap{position:relative;margin-top:64px}
.shot-wrap::after{
  content:"";position:absolute;inset:auto 8% -40px 8%;height:80px;
  background:radial-gradient(ellipse at 50% 0%,rgba(24,125,230,.22),transparent 70%);
  filter:blur(24px);pointer-events:none;
}
.appwin{
  position:relative;
  background:var(--bg2);
  border:1px solid var(--line2);
  border-radius:13px;
  overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9),0 0 0 1px rgba(var(--ov),.03);
  font-size:12px;
  line-height:1.4;
  text-align:left;
}
.wbar{
  height:46px;display:flex;align-items:center;gap:14px;
  padding:0 14px;border-bottom:1px solid var(--line);
  background:rgba(var(--ov),.022);
  overflow:hidden;
}
.lights{display:flex;gap:8px}
.lights i{width:11px;height:11px;border-radius:50%;display:block}
.lights i:nth-child(1){background:#EC6A5E}
.lights i:nth-child(2){background:#F4BF4F}
.lights i:nth-child(3){background:#61C554}
.wbrand{display:flex;align-items:center;gap:7px;margin-left:6px}
.wbrand img{width:17px;height:17px;border-radius:4px}
.wbrand b{font-size:12.5px;font-weight:700;letter-spacing:-.02em;color:var(--t1)}
.wbrand s{width:1px;height:13px;background:var(--line2);text-decoration:none;display:block}
.wbrand span{font-size:11px;font-weight:600;color:var(--t2)}
.wsearch{
  margin-left:auto;width:190px;height:26px;border-radius:6px;
  background:rgba(var(--ov),.045);border:1px solid var(--line);
  display:flex;align-items:center;gap:6px;padding:0 8px;
  font-size:11px;color:var(--t4);
}
.wbody{display:flex;height:520px}

/* Rail */
.rail{
  width:68px;flex:0 0 68px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;
  padding-top:11px;gap:8px;background:rgba(var(--sh),.22);
}
.rail a{
  width:38px;height:38px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  color:var(--t4);
}
.rail a.on{background:rgba(79,168,245,.13);color:var(--brand-ink);box-shadow:inset 0 0 0 1px rgba(79,168,245,.22)}
.rail hr{width:22px;height:1px;background:var(--line);border:none;margin:6px 0}
.rail .sp{flex:1}
.rail .ava{
  width:30px;height:30px;border-radius:50%;
  background:rgba(154,164,178,.2);color:var(--t2);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;margin-bottom:14px;
  box-shadow:inset 0 0 0 1px rgba(var(--ov),.08);
}

/* 列表栏 */
.list{
  width:300px;flex:0 0 300px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;background:rgba(var(--ov),.012);
}
.lhead{padding:13px 14px 9px;display:flex;align-items:flex-start;gap:8px}
.lhead h4{font-size:13px;font-weight:700;letter-spacing:-.01em}
.lhead p{font-size:10.5px;color:var(--t3);margin-top:2px}
.lhead .plus{
  margin-left:auto;width:24px;height:24px;border-radius:6px;
  background:rgba(var(--ov),.055);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--t2);
}
.lfilter{display:flex;gap:5px;padding:0 14px 10px}
.lfilter span{
  font-size:10px;padding:3px 8px;border-radius:5px;
  color:var(--t3);background:rgba(var(--ov),.04);
}
.lfilter span.on{background:rgba(79,168,245,.14);color:var(--brand-ink);box-shadow:inset 0 0 0 1px rgba(79,168,245,.2)}
.prow{
  display:flex;align-items:center;gap:9px;
  height:44px;padding:0 7px;margin:0 7px;border-radius:8px;
  position:relative;
}
.prow.on{background:rgba(79,168,245,.1);box-shadow:inset 0 0 0 1px rgba(79,168,245,.2)}
.prow.on::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2.5px;
  border-radius:0 2px 2px 0;background:var(--brand);
}
.pav{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;position:relative;
}
.pav b{
  position:absolute;right:-3px;bottom:-3px;
  width:14px;height:14px;border-radius:3px;
  background:var(--bg2);font-size:8px;display:flex;align-items:center;justify-content:center;
}
.pnm{flex:1;min-width:0}
.pnm strong{display:block;font-size:12.5px;font-weight:600;color:var(--t2);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prow.on .pnm strong{color:var(--t1)}
.pnm small{display:block;font-size:10px;color:var(--t4);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pst{font-size:9.5px;display:flex;align-items:center;gap:4px;white-space:nowrap}
.pst i{width:5px;height:5px;border-radius:50%;display:block}
.pst.run{color:var(--brand-text)}
.pst.run i{background:var(--brand);box-shadow:0 0 6px rgba(79,168,245,.8)}
.pst.stop{color:var(--t4)}

/* 内容区 */
.content{flex:1;min-width:0;display:flex;flex-direction:column;background:rgba(var(--ov),.006)}
.hero58{
  height:58px;flex:0 0 58px;display:flex;align-items:center;gap:11px;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.hero58 .hico{
  width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(79,168,245,.12);box-shadow:inset 0 0 0 1px rgba(79,168,245,.2);color:var(--brand-ink);
}
.hero58 h3{font-size:14px;font-weight:700;letter-spacing:-.015em}
.hero58 p{font-size:10.5px;color:var(--t3);margin-top:1px}
.hero58 .hbtn{
  margin-left:auto;height:26px;padding:0 12px;border-radius:6px;
  background:linear-gradient(180deg,#3D9BF5,#0F6FD4);color:#fff;
  font-size:11px;font-weight:600;display:flex;align-items:center;gap:5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
}
.tabs{
  height:36px;flex:0 0 36px;display:flex;align-items:center;gap:2px;
  padding:0 16px;border-bottom:1px solid var(--line);
}
.tabs span{font-size:11px;color:var(--t3);padding:5px 10px;border-radius:6px}
.tabs span.on{color:var(--t1);background:rgba(var(--ov),.07);font-weight:600}
.cards{
  flex:1;padding:11px;display:grid;
  grid-template-columns:repeat(3,1fr);grid-template-rows:1fr 1fr;gap:11px;
  min-height:0;
}
.card{
  background:linear-gradient(180deg,rgba(var(--ov),.052),rgba(var(--ov),.022));
  border-radius:14px;padding:13px;
  box-shadow:inset 0 0 0 1px rgba(var(--ov),.075);
  display:flex;flex-direction:column;gap:9px;min-height:0;overflow:hidden;
}
.chead{display:flex;align-items:center;gap:7px}
.chead .ci{
  width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  background:rgba(var(--ov),.06);color:var(--t2);flex:0 0 20px;
}
.chead h5{font-size:11.5px;font-weight:600;color:var(--t2);letter-spacing:-.005em}
.pill{
  margin-left:auto;font-size:9px;font-family:var(--mono);
  padding:2px 6px;border-radius:4px;
  background:rgba(var(--ov),.06);color:var(--t3);
}
.pill.b{background:rgba(79,168,245,.14);color:var(--brand-text)}
.mono{font-family:var(--mono)}

/* 状态栏 */
.sbar{
  height:30px;flex:0 0 30px;display:flex;align-items:center;gap:16px;
  padding:0 16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:9.5px;color:var(--t4);
  background:rgba(var(--sh),.25);
}
.sbar .ok{color:var(--green);display:flex;align-items:center;gap:5px}
.sbar .ok i{width:5px;height:5px;border-radius:50%;background:var(--green);display:block}
.sbar .r{margin-left:auto;display:flex;gap:16px}

/* ---------- 对比 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
.pane{
  border-radius:14px;padding:26px 24px;
  border:1px solid var(--line);background:var(--surface);
}
.pane.bad{border-color:rgba(212,72,58,.26);background:linear-gradient(180deg,rgba(212,72,58,.055),rgba(212,72,58,.012))}
.pane.good{border-color:rgba(79,168,245,.3);background:linear-gradient(180deg,rgba(79,168,245,.07),rgba(79,168,245,.015))}
.pane .tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:14px;display:inline-block;padding:3px 8px;border-radius:5px;
}
.pane.bad .tag{background:rgba(212,72,58,.16);color:#F09384}
.pane.good .tag{background:rgba(79,168,245,.16);color:var(--brand-text)}
.pane h3{font-size:19px;font-weight:600;letter-spacing:-.02em;margin-bottom:10px}
.pane p{font-size:13.5px;color:var(--t3);line-height:1.7}
.pane ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.pane li{font-size:12.5px;color:var(--t2);display:flex;gap:9px;align-items:flex-start;line-height:1.55}
.pane li::before{content:"";width:5px;height:5px;border-radius:50%;margin-top:7px;flex:0 0 5px}
.pane.bad li::before{background:var(--danger)}
.pane.good li::before{background:var(--brand)}
.pane code{font-family:var(--mono);font-size:.9em;background:rgba(var(--ov),.07);padding:1px 5px;border-radius:4px;color:var(--t1)}

/* ---------- 能力网格 ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:52px}
.feat{
  border:1px solid var(--line);border-radius:14px;padding:24px 22px;
  background:var(--surface);transition:border-color .2s,background .2s;
}
.feat:hover{border-color:var(--line2);background:var(--surface2)}
.feat .fi{
  width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:rgba(79,168,245,.11);color:var(--brand-ink);margin-bottom:16px;
  box-shadow:inset 0 0 0 1px rgba(79,168,245,.16);
}
.feat h3{font-size:15.5px;font-weight:600;letter-spacing:-.015em;margin-bottom:8px}
.feat p{font-size:13px;color:var(--t3);line-height:1.7}
.feat .kbd{
  margin-top:14px;font-family:var(--mono);font-size:10.5px;color:var(--t4);
  display:flex;flex-wrap:wrap;gap:5px;
}
.feat .kbd span{background:rgba(var(--ov),.05);padding:2px 6px;border-radius:4px}

/* ---------- 截图分节 ---------- */
.shot{margin:0;position:relative}
.shot img{
  display:block;width:100%;height:auto;
  border-radius:12px;
  filter:drop-shadow(0 30px 56px rgba(0,0,0,.46)) drop-shadow(0 2px 5px rgba(0,0,0,.22));
}
:root[data-theme="light"] .shot img{
  filter:drop-shadow(0 0 1px rgba(18,30,50,.30)) drop-shadow(0 20px 40px rgba(18,30,50,.18));
}
.shot-cap{
  margin-top:20px;text-align:center;
  font-size:12px;color:var(--t4);line-height:1.6;
}
.shot-cap b{color:var(--t2);font-weight:500}

/* 首屏交互导览 */
.tour{position:relative}
.tour .zone{
  position:absolute;border-radius:9px;pointer-events:none;
  border:1.5px solid transparent;
  transition:border-color .42s ease,background .42s ease,box-shadow .42s ease;
}
.tour .zone.on{
  border-color:rgba(37,124,232,.58);
  background:rgba(37,124,232,.05);
  box-shadow:0 0 0 7px rgba(37,124,232,.07),0 0 26px rgba(37,124,232,.13);
}
:root[data-theme="dark"] .tour .zone.on{
  border-color:rgba(96,176,255,.62);
  background:rgba(96,176,255,.06);
  box-shadow:0 0 0 7px rgba(96,176,255,.08),0 0 28px rgba(96,176,255,.15);
}
.tour-cap{
  margin-top:24px;text-align:center;
  font-size:13px;color:var(--t3);line-height:1.7;
  min-height:3.6em;transition:opacity .22s ease;
}
.tour-cap.swap{opacity:0}
.tour-cap b{display:block;color:var(--t1);font-size:14px;font-weight:600;margin-bottom:3px}
.tour-tabs{display:flex;justify-content:center;gap:8px;margin-top:16px;flex-wrap:wrap}
.tour-tab{
  position:relative;overflow:hidden;
  font-family:inherit;font-size:12px;line-height:1;
  padding:8px 13px;border-radius:8px;
  border:1px solid var(--line);background:transparent;color:var(--t3);
  cursor:pointer;
  transition:color .18s,border-color .18s,background .18s;
}
.tour-tab:hover{color:var(--t1);border-color:var(--line2);background:rgba(var(--ov),.045)}
.tour-tab.on{color:var(--t1);border-color:rgba(37,124,232,.42);background:rgba(37,124,232,.07)}
.tour-tab .pg{position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--brand-ink)}
.tour-tab.on .pg{animation:pgFill 4.2s linear forwards}
@keyframes pgFill{from{width:0}to{width:100%}}
.shot-wrap:hover .tour-tab .pg{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){
  .tour-tab.on .pg{animation:none;width:100%}
}

/* 手绘链路示意图 */
.diagram{
  margin-top:52px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  padding:34px 30px 26px;
  overflow-x:auto;
}
.diagram svg{display:block;width:100%;height:auto;min-width:640px}
.diagram .cap{
  margin-top:18px;font-size:11.5px;color:var(--t4);
  line-height:1.7;padding-top:14px;border-top:1px solid var(--line);
}
.diagram .cap b{color:var(--t2);font-weight:500}

/* ---------- 界面动效演示 ---------- */
.demo-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:52px;
}
.demo{display:flex;flex-direction:column;gap:14px;min-width:0}
.demo-stage{
  height:168px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);
  padding:18px 16px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;position:relative;
}
.demo-meta b{display:block;font-size:13.5px;font-weight:600;color:var(--t1);margin-bottom:3px}
.demo-meta span{font-size:11.5px;color:var(--t4);line-height:1.65}

.frag{
  width:100%;min-width:0;background:var(--app-bg);
  border:1px solid var(--app-line);border-radius:9px;
  padding:11px 12px;box-sizing:border-box;
}

/* A. 环境启动 */
.f-main{display:flex;align-items:center;gap:9px}
.f-av{
  width:28px;height:28px;flex:0 0 28px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:#DCE6F0;color:#2F4A63;
}
:root[data-theme="dark"] .f-av{background:#2A3F55;color:#A9C0D2}
.f-tx{min-width:0;flex:1}
.f-tx b{display:block;font-size:12px;font-weight:600;letter-spacing:-.01em;color:var(--t1)}
.f-tx i{
  display:block;font-style:normal;font-size:10px;color:var(--t4);margin-top:1px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.f-st{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--t3);flex:0 0 auto}
.f-st s{width:6px;height:6px;border-radius:50%;background:var(--t4);text-decoration:none;transition:background .3s}
.f-st em{font-style:normal;transition:color .3s}
.f-prog{height:2px;border-radius:2px;background:var(--app-line);margin-top:10px;overflow:hidden;opacity:0;transition:opacity .25s}
.f-prog i{display:block;height:100%;width:0;background:var(--brand-ink);border-radius:2px}
.row-frag[data-s="start"] .f-prog{opacity:1}
.row-frag[data-s="start"] .f-prog i{animation:progFill 1.35s ease-out forwards}
.row-frag[data-s="start"] .f-st s{background:#C98A1B;animation:dotPulse 1s ease-in-out infinite}
.row-frag[data-s="run"] .f-st s{background:#248A3D;animation:dotPulse 1.7s ease-in-out infinite}
.row-frag[data-s="run"] .f-st em{color:#248A3D}
:root[data-theme="dark"] .row-frag[data-s="run"] .f-st s{background:#32D74B}
:root[data-theme="dark"] .row-frag[data-s="run"] .f-st em{color:#32D74B}
.row-frag[data-s="run"]{border-color:rgba(36,138,61,.34);box-shadow:0 0 0 3px rgba(36,138,61,.07)}
@keyframes progFill{from{width:0}to{width:100%}}
@keyframes dotPulse{0%,100%{box-shadow:0 0 0 0 currentColor;opacity:1}50%{opacity:.55}}

/* B. 指纹护盾 */
.sh-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.sh-head b{font-size:11.5px;font-weight:600;color:var(--t1)}
.sh-n{font-family:var(--mono);font-size:10px;color:var(--t4);transition:color .3s}
.sh-n.done{color:#248A3D}
:root[data-theme="dark"] .sh-n.done{color:#32D74B}
.sh-list{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;gap:5px 10px;
}
.sh-list li{
  --chk-bg:transparent;
  --chk-bd:var(--app-line);
  --chk-op:0;
  display:flex;align-items:center;gap:5px;
  font-size:9.5px;color:var(--t4);line-height:1.3;
  transition:color .3s;
}
.sh-list li.on{
  --chk-bg:#248A3D;
  --chk-bd:#248A3D;
  --chk-op:1;
  color:var(--t2);
}
:root[data-theme="dark"] .sh-list li.on{--chk-bg:#32D74B;--chk-bd:#32D74B}
.sh-list li s{
  width:9px;height:9px;flex:0 0 9px;border-radius:2.5px;
  border:1px solid var(--chk-bd);background:var(--chk-bg);
  display:flex;align-items:center;justify-content:center;
  text-decoration:none;transition:background .3s,border-color .3s;
  position:relative;
}
.sh-list li s::after{
  content:"";position:absolute;left:2px;top:3px;
  width:4px;height:2px;border-left:1.4px solid #fff;border-bottom:1.4px solid #fff;
  transform:rotate(-45deg) scale(.4);opacity:var(--chk-op);
  transition:opacity .25s,transform .25s;
}
.sh-list li.on s::after{transform:rotate(-45deg) scale(1)}

/* C. 标签栏 */
.tf-bar{display:flex;align-items:center;gap:4px;width:100%}
.tf{
  position:relative;flex:1 1 0;min-width:0;height:26px;
  display:flex;align-items:center;gap:5px;padding:0 8px;
  border-radius:8px;border:1px solid transparent;
  font-size:10.5px;color:var(--t4);
  white-space:nowrap;overflow:hidden;
  transition:background .3s,border-color .3s,color .3s;
}
.tf.on{background:var(--app-bg);border-color:var(--app-line);color:var(--t1)}
.tf u{
  width:11px;height:11px;flex:0 0 11px;border-radius:3px;
  background:var(--t4);opacity:.3;text-decoration:none;transition:opacity .3s;
}
.tf.on u{opacity:.75}
.tf span{overflow:hidden;text-overflow:ellipsis}
.tf b{
  margin-left:auto;font-weight:400;font-size:10px;color:var(--t4);
  opacity:0;transform:scale(.7);transition:opacity .25s,transform .25s;
}
.tf.on b{opacity:1;transform:none}
.tf-plus{
  width:22px;height:22px;flex:0 0 22px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  color:var(--t4);font-size:13px;
}
@keyframes press{0%,100%{transform:scale(1)}45%{transform:scale(.82)}}
.tf-plus.hit{animation:press .4s ease}

@media(prefers-reduced-motion:reduce){
  .row-frag[data-s="start"] .f-prog i,
  .row-frag .f-st s,
  .tf-plus.hit{animation:none}
}
.dg-box{fill:var(--surface2);stroke:var(--line2);stroke-width:1}
.dg-t{fill:var(--t1);font-size:13px;font-weight:600;letter-spacing:-.01em}
.dg-s{fill:var(--t4);font-size:10.5px;font-family:var(--mono)}
.dg-l{fill:var(--t3);font-size:10.5px}
.dg-mono{font-family:var(--mono);font-size:10.5px;fill:var(--t3)}
.dg-line{stroke:var(--line2);stroke-width:1.2;fill:none}
.dg-arrow{fill:var(--line2)}
.dg-accent{stroke:var(--brand-ink);stroke-width:1.4;fill:none}
.dg-bad{stroke:rgba(255,107,107,.55);stroke-width:1.2;fill:none;stroke-dasharray:4 3}
.dg-badt{fill:#E0685E;font-size:10.5px}
:root[data-theme="light"] .dg-badt{fill:#B4322A}
.dg-dash{fill:none;stroke:var(--line2);stroke-width:1;stroke-dasharray:3 3}
.dg-mobile{display:none;list-style:none;margin:0;padding:0}
.dg-mobile li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:10px 2px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--t1);
}
.dg-mobile li:last-child{border-bottom:none}
.dg-mobile li b{font-weight:600}
.dg-mobile li span{font-size:11px;color:var(--t4);text-align:right;flex:0 0 auto}
.dg-mobile li code{font-family:var(--mono);font-size:11px;color:var(--t2)}
.dg-note{
  display:none;
  margin:12px 0 0;font-size:11.5px;line-height:1.65;color:var(--t4);
  padding-left:11px;border-left:2px solid var(--line2);
}
.dg-note.bad{color:#C9534A;border-left-color:rgba(201,83,74,.5)}
@media(max-width:720px){
  .diagram svg{display:none}
  .diagram{padding:20px 18px 18px}
  .dg-mobile{display:block}
  .dg-note{display:block}
}

.showcase{display:flex;flex-direction:column;gap:72px;margin-top:56px}
.show-row{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:center}
.show-row.rev{grid-template-columns:1.15fr 0.85fr}
.show-row.rev .show-txt{order:2}
.show-txt h3{font-size:26px;font-weight:700;letter-spacing:-.025em;line-height:1.25;margin-bottom:14px}
.show-txt p{font-size:14px;color:var(--t3);line-height:1.75}
.show-txt ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.show-txt li{font-size:13px;color:var(--t2);display:flex;gap:10px;align-items:flex-start}
.show-txt li b{color:var(--t1);font-weight:600}
.chk{
  width:16px;height:16px;flex:0 0 16px;border-radius:50%;margin-top:2px;
  background:rgba(79,168,245,.14);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:9px;
}
.shot-small{font-size:10px}
.shot-small .wbody{height:340px}
.shot-small .rail{width:56px;flex-basis:56px}
.shot-small .list{width:250px;flex-basis:250px}

/* ---------- 架构 ---------- */
.arch{margin-top:52px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.arch-row{
  display:grid;grid-template-columns:180px 1fr;gap:24px;
  padding:20px 24px;border-bottom:1px solid var(--line);align-items:start;
}
.arch-row:last-child{border-bottom:none}
.arch-row .m{font-family:var(--mono);font-size:12px;color:var(--brand-ink);font-weight:500}
.arch-row .m small{display:block;font-family:var(--sans);font-size:10.5px;color:var(--t4);margin-top:3px;font-weight:400}
.arch-row p{font-size:13px;color:var(--t3);line-height:1.7}

/* ---------- 代码 ---------- */
.code{
  margin-top:40px;background:var(--code-bg);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
}
.code-bar{
  height:38px;display:flex;align-items:center;gap:8px;padding:0 16px;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:10.5px;color:var(--t4);
}
.code-bar i{width:8px;height:8px;border-radius:50%;background:rgba(var(--ov),.14);display:block}
.code pre{
  padding:20px 22px;overflow-x:auto;
  font-family:var(--mono);font-size:12px;line-height:1.85;color:var(--code-fg);
}
.code .c{color:var(--code-c)}
.code .p{color:var(--code-p)}
.code .s{color:var(--code-s)}
.code .n{color:var(--code-n)}

/* ---------- 下载 ---------- */
.dl-box{
  margin-top:46px;text-align:left;
  border:1px solid var(--line);border-radius:16px;
  background:var(--surface);overflow:hidden;
}
.dl-top{display:flex;align-items:center;gap:26px;padding:24px 26px}
.dl-ident{display:flex;align-items:center;gap:14px;flex:1;min-width:0}
.dl-icon{width:44px;height:44px;flex:0 0 44px;border-radius:11px}
.dl-idt{min-width:0}
.dl-name{
  font-size:15.5px;font-weight:600;letter-spacing:-.012em;color:var(--t1);
  display:flex;align-items:baseline;gap:7px;
}
.dl-name em{
  font-style:normal;font-family:var(--mono);
  font-size:11px;font-weight:400;color:var(--t4);
  padding:1px 6px;border-radius:4px;background:rgba(var(--ov),.06);
}
.dl-sub{font-size:11.5px;color:var(--t4);margin-top:4px}

.dl-btn{
  display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;
  height:46px;padding:0 22px;border-radius:10px;
  background:linear-gradient(180deg,#3D9BF5,#0F6FD4);
  color:#fff;font-size:14.5px;font-weight:600;letter-spacing:-.005em;
  box-shadow:0 10px 26px -10px rgba(15,111,212,.75),inset 0 1px 0 rgba(255,255,255,.22);
  transition:transform .15s,box-shadow .2s,filter .2s;
}
.dl-btn:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 32px -10px rgba(15,111,212,.85),inset 0 1px 0 rgba(255,255,255,.26);
}
.dl-btn:active{transform:translateY(0) scale(.99)}
.dl-btn svg{flex:0 0 auto}
.dl-size{
  font-family:var(--mono);font-size:10px;font-weight:400;
  padding:3px 7px;border-radius:5px;margin-left:2px;
  background:rgba(255,255,255,.19);
}

.dl-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 26px;border-top:1px solid var(--line);
  background:rgba(var(--ov),.022);
}
.dl-file{font-family:var(--mono);font-size:10.5px;color:var(--t4)}
.dl-more{font-size:11.5px;color:var(--brand-ink);transition:opacity .15s}
.dl-more:hover{opacity:.72}

/* 复制命令按钮 */
.copy-btn{
  margin-left:auto;font-family:var(--sans);font-size:11px;
  padding:4px 9px;border-radius:5px;
  border:1px solid var(--line);background:rgba(var(--ov),.04);
  color:var(--t3);cursor:pointer;
  transition:color .15s,border-color .15s,background .15s;
}
.copy-btn:hover{color:var(--t1);border-color:var(--line2);background:rgba(var(--ov),.075)}
.copy-btn.ok{color:#248A3D;border-color:rgba(36,138,61,.42)}
:root[data-theme="dark"] .copy-btn.ok{color:#32D74B;border-color:rgba(50,215,75,.42)}
.copy-btn.bad{color:#B4322A;border-color:rgba(180,50,42,.42)}
.req{
  margin-top:28px;display:flex;gap:24px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t4);
}
.req span{display:flex;align-items:center;gap:7px}
.req i{width:4px;height:4px;border-radius:50%;background:var(--t4);display:block}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:52px 0 44px;margin-top:40px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-brand img{width:32px;height:32px;border-radius:8px}
.foot-brand b{font-size:14px;font-weight:600;display:block}
.foot-brand span{font-size:11.5px;color:var(--t4)}
.foot-links{display:flex;gap:56px;flex-wrap:wrap}
.foot-h{font-size:11px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--t4);margin:0 0 12px;font-weight:500}
.foot-note{font-size:12.5px;color:var(--t4);margin:0 0 10px;line-height:1.5}
.foot-col a{display:block;font-size:13px;color:var(--t3);margin-bottom:8px;transition:color .15s}
.foot-col a:hover{color:var(--t1)}
.foot-bot{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:11.5px;color:var(--t4);
}


/* ---------- 日间模式 ---------- */
:root[data-theme="light"]{
  --bg:#F6F7F9;
  --bg2:#FFFFFF;
  --surface:#FFFFFF;
  --surface2:#F1F3F6;
  --line:rgba(18,30,50,.10);
  --line2:rgba(18,30,50,.18);
  --t1:#0B1220;
  --t2:#46536A;
  --t3:#535E6F;
  --t4:#666F7E;
  --ov:18,30,50;
  --sh:255,255,255;
  --shadow:18,30,50;
  --nav-bg:rgba(255,255,255,.76);
  --brand-text:#0B5FBF;
  --brand-ink:#0B5FBF;
  --knob:#FFFFFF;
  --grad-1:#0B5FBF; --grad-2:#187DE6; --grad-3:#0546C5;
  --code-bg:#F7F8FA;
  --code-fg:#25303F;
  --code-c:#8A93A3;
  --code-p:#0B6BCB;
  --code-s:#1E7A4A;
  --code-n:#8A5A12;
  --app-bg:#FFFFFF; --app-line:rgba(18,30,50,.10);
  --av1-bg:#DCE6F0; --av1-fg:#2F4A63;
  --av2-bg:#E6E1EE; --av2-fg:#4A3F63;
  --av3-bg:#DDE8E1; --av3-fg:#33473B;
}
:root[data-theme="light"] .hero::before{
  background:radial-gradient(ellipse 50% 46% at 50% 30%,rgba(24,125,230,.10),transparent 70%);
}
:root[data-theme="light"] .shot-wrap::after{
  background:radial-gradient(ellipse at 50% 0%,rgba(24,125,230,.13),transparent 70%);
}
:root[data-theme="light"] .appwin{
  background:#fff;
  border-color:rgba(18,30,50,.10);
  box-shadow:0 30px 70px -34px rgba(18,30,50,.30),0 1px 3px rgba(18,30,50,.06);
}
:root[data-theme="light"] .wbar{background:rgba(18,30,50,.028)}
:root[data-theme="light"] .rail{background:rgba(18,30,50,.035)}
:root[data-theme="light"] .list{background:rgba(18,30,50,.015)}
:root[data-theme="light"] .content{background:#fff}
:root[data-theme="light"] .sbar{background:rgba(18,30,50,.035)}
:root[data-theme="light"] .card{
  background:#fff;
  box-shadow:inset 0 0 0 1px rgba(18,30,50,.085),0 1px 2px rgba(18,30,50,.05);
}
:root[data-theme="light"] .pane.bad{
  border-color:rgba(192,57,43,.28);
  background:linear-gradient(180deg,rgba(192,57,43,.055),rgba(192,57,43,.012));
}
:root[data-theme="light"] .pane.good{
  border-color:rgba(15,111,212,.32);
  background:linear-gradient(180deg,rgba(15,111,212,.055),rgba(15,111,212,.012));
}
:root[data-theme="light"] .pane.bad .tag{background:rgba(192,57,43,.13);color:#A32B20}
:root[data-theme="light"] .pane.good .tag{background:rgba(15,111,212,.13);color:#0B5FBF}
:root[data-theme="light"] .feat .fi{background:rgba(15,111,212,.09);box-shadow:inset 0 0 0 1px rgba(15,111,212,.14)}
:root[data-theme="light"] .hero58 .hico{background:rgba(15,111,212,.09);box-shadow:inset 0 0 0 1px rgba(15,111,212,.16)}
:root[data-theme="light"] .rail a.on{background:rgba(15,111,212,.11);box-shadow:inset 0 0 0 1px rgba(15,111,212,.2)}
:root[data-theme="light"] .prow.on{background:rgba(15,111,212,.08);box-shadow:inset 0 0 0 1px rgba(15,111,212,.16)}
:root[data-theme="light"] .lfilter span.on{background:rgba(15,111,212,.12);box-shadow:inset 0 0 0 1px rgba(15,111,212,.18)}
:root[data-theme="light"] .pill.b{background:rgba(15,111,212,.12);color:#0B5FBF}
:root[data-theme="light"] .btn-ghost{background:rgba(18,30,50,.045)}
:root[data-theme="light"] .code pre{color:var(--code-fg)}

/* 主题切换按钮 */
.theme-btn{
  width:30px;height:30px;flex:0 0 30px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(var(--ov),.06);border:1px solid var(--line);
  color:var(--t3);cursor:pointer;padding:0;
  transition:color .15s,border-color .15s,background .15s;
}
.theme-btn:hover{color:var(--t1);border-color:var(--line2);background:rgba(var(--ov),.1)}
.theme-btn:active{transform:scale(.94)}
.theme-btn svg{display:none;animation:iconIn .3s cubic-bezier(.3,1.4,.5,1)}
@keyframes iconIn{from{opacity:0;transform:scale(.5) rotate(-30deg)}to{opacity:1;transform:none}}
.theme-btn.pop{animation:btnPop .42s cubic-bezier(.3,1.4,.5,1)}
@keyframes btnPop{0%{transform:scale(.88)}55%{transform:scale(1.09)}100%{transform:scale(1)}}
:root[data-mode="auto"] .theme-btn .i-auto{display:block}
:root[data-mode="light"] .theme-btn .i-light{display:block}
:root[data-mode="dark"] .theme-btn .i-dark{display:block}

@media(max-width:1000px){
  .hero h1{font-size:44px}
  h2{font-size:30px}
  .split,.grid3{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:minmax(0,1fr)}
  .show-row,.show-row.rev{grid-template-columns:1fr;gap:28px}
  .show-row.rev .show-txt{order:0}
  .arch-row{grid-template-columns:1fr;gap:6px}
  .nav-links{display:none}
  .wbody{height:420px}
}
@media(max-width:720px){
  .wrap,.nav-in{padding:0 20px}
  .hero h1{font-size:34px}
  section{padding:72px 0}
  .hero-meta{display:grid;grid-template-columns:auto auto;gap:11px 22px;justify-content:center}
  .req{display:grid;grid-template-columns:auto auto;gap:10px 18px;justify-content:center}
  .show-txt h3{font-size:22px}
  .code pre{font-size:10.5px}
  .arch-row{padding:16px 18px}
  .dl-top{flex-direction:column;align-items:stretch;gap:18px;padding:20px}
  .dl-btn{width:100%;justify-content:center}
  .dl-foot{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 20px}
}