/* ============================================================
   TestSecScan 官网样式（style.css）
   - 双主题：:root 为白天（默认），html[data-theme="dark"] 为夜间
   - 主色：青 → 蓝渐变（无紫色）
   - 由 buildservice/site.go 嵌入，/assets/style.css 提供
   ============================================================ */

:root{
  --bg:#f4f8fc;
  --bg-soft:#ebf2fa;
  --panel:#ffffff;
  --panel-2:#f7fafd;
  --panel-strong:#eef4fb;
  --border:#dbe5f1;
  --border-glow:rgba(14,165,233,.55);
  --text:#17263d;
  --text-dim:#4a5d76;
  --text-faint:#8093a9;
  --cyan:#0891b2;
  --blue:#2563eb;
  --sky:#0ea5e9;
  --grad:linear-gradient(120deg,#06b6d4 0%,#3b82f6 55%,#2563eb 100%);
  --grid:rgba(37,99,235,.075);
  --orb1:rgba(14,165,233,.20);
  --orb2:rgba(59,130,246,.16);
  --orb3:rgba(6,182,212,.12);
  --scanline:rgba(14,165,233,.4);
  --nav-bg:rgba(244,248,252,.82);
  --card-shadow:0 12px 32px rgba(23,74,138,.08);
  --card-hover-shadow:0 16px 40px rgba(23,74,138,.14);
  --footer-bg:#e9f1f9;
  --btn-ink:#ffffff;
  --chip-bg:rgba(14,165,233,.08);
  --chip-border:rgba(14,165,233,.35);
}
html[data-theme="dark"]{
  --bg:#050a14;
  --bg-soft:#0a1120;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.05);
  --panel-strong:rgba(255,255,255,.07);
  --border:rgba(148,163,184,.16);
  --border-glow:rgba(34,211,238,.5);
  --text:#e2e8f0;
  --text-dim:#94a3b8;
  --text-faint:#64748b;
  --cyan:#22d3ee;
  --blue:#3b82f6;
  --sky:#38bdf8;
  --grad:linear-gradient(120deg,#22d3ee 0%,#38bdf8 50%,#3b82f6 100%);
  --grid:rgba(56,189,248,.07);
  --orb1:rgba(14,165,233,.22);
  --orb2:rgba(59,130,246,.18);
  --orb3:rgba(34,211,238,.10);
  --scanline:rgba(34,211,238,.5);
  --nav-bg:rgba(5,10,20,.72);
  --card-shadow:none;
  --card-hover-shadow:none;
  --footer-bg:#070d18;
  --btn-ink:#04121a;
  --chip-bg:rgba(34,211,238,.08);
  --chip-border:rgba(34,211,238,.3);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:"Inter","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.65;overflow-x:hidden;font-size:15px;
  -webkit-font-smoothing:antialiased;
  transition:background .3s,color .3s;
}
::selection{background:rgba(14,165,233,.3)}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{max-width:1150px;margin:0 auto;padding:0 26px}

/* ───────────── 顶部导航 ───────────── */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:var(--nav-bg);
  border-bottom:1px solid var(--border);
  transition:background .3s;
}
.nav-inner{max-width:1150px;margin:0 auto;padding:0 26px;height:60px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;letter-spacing:.02em}
.brand-mark{width:26px;height:26px;color:var(--cyan)}
.brand-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-org{font-size:11px;color:var(--text-faint);border:1px solid var(--border);border-radius:6px;padding:1px 7px;margin-left:2px;white-space:nowrap}
.nav-links{display:flex;gap:2px;margin-left:auto}
.nav-links a{
  padding:7px 12px;border-radius:9px;font-size:13.5px;color:var(--text-dim);
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--text);background:var(--panel-strong)}
.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  width:34px;height:34px;border-radius:9px;color:var(--text-dim);
  background:transparent;border:1px solid var(--border);
  transition:color .2s,border-color .2s,transform .2s;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--border-glow);transform:translateY(-1px)}
.icon-btn svg{width:16px;height:16px}
.lang-btn{
  display:flex;align-items:center;gap:6px;cursor:pointer;
  padding:7px 12px;border-radius:9px;font-size:12.5px;font-weight:600;
  color:var(--text-dim);background:transparent;border:1px solid var(--border);
  transition:color .2s,border-color .2s;
  font-family:inherit;
}
.lang-btn:hover{color:var(--cyan);border-color:var(--border-glow)}
.lang-btn svg{width:14px;height:14px}
.btn{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  padding:10px 20px;border-radius:11px;font-size:13.5px;font-weight:600;
  border:none;transition:transform .2s,box-shadow .2s,background .2s;
  font-family:inherit;
}
.btn-primary{background:var(--grad);color:var(--btn-ink);box-shadow:0 4px 20px rgba(14,165,233,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(14,165,233,.42)}
.btn-ghost{background:var(--panel);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--border-glow);transform:translateY(-2px)}
.btn-sm{padding:8px 15px;font-size:13px;border-radius:9px}

/* ───────────── Hero ───────────── */
.hero{position:relative;padding:158px 0 96px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.grid-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse 75% 62% at 50% 34%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 75% 62% at 50% 34%,#000 30%,transparent 75%);
}
.orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.55;will-change:transform;transition:background .4s}
.orb-1{width:480px;height:480px;background:var(--orb1);top:-130px;left:-90px;animation:drift1 16s ease-in-out infinite alternate}
.orb-2{width:430px;height:430px;background:var(--orb2);top:-60px;right:-110px;animation:drift2 19s ease-in-out infinite alternate}
.orb-3{width:320px;height:320px;background:var(--orb3);top:330px;left:44%;animation:drift1 22s ease-in-out infinite alternate-reverse}
@keyframes drift1{from{transform:translate(0,0) scale(1)}to{transform:translate(70px,50px) scale(1.12)}}
@keyframes drift2{from{transform:translate(0,0) scale(1.06)}to{transform:translate(-60px,40px) scale(.94)}}
.scanline{
  position:absolute;left:0;right:0;height:1px;top:0;
  background:linear-gradient(90deg,transparent,var(--scanline),transparent);
  animation:scan 7s linear infinite;opacity:.55;
}
@keyframes scan{from{top:8%}to{top:92%}}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;text-align:center;max-width:860px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;font-size:12.5px;color:var(--cyan);
  background:var(--chip-bg);border:1px solid var(--chip-border);
  letter-spacing:.04em;margin-bottom:26px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-title{
  font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.2;
  letter-spacing:-.01em;margin-bottom:22px;
}
.hero-title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:15.5px;color:var(--text-dim);max-width:680px;margin:0 auto 38px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* 统计带 */
.stats{position:relative;margin-top:84px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  padding:22px 16px;text-align:center;border-radius:14px;
  background:var(--panel);border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  transition:border-color .25s,transform .25s;
}
.stat:hover{border-color:var(--border-glow);transform:translateY(-4px)}
.stat-value{font-size:21px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}
.stat-label{font-size:12.5px;color:var(--text-dim);margin-top:6px}

/* ───────────── 通用 Section ───────────── */
.section{position:relative;padding:88px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;
}
.section-eyebrow::before,.section-eyebrow::after{
  content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan));
}
.section-eyebrow::after{background:linear-gradient(90deg,var(--cyan),transparent)}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.section-sub{font-size:14.5px;color:var(--text-dim)}

/* 功能卡片 */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{
  position:relative;padding:26px 24px;border-radius:14px;
  background:var(--panel);border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  transition:transform .28s,border-color .28s;
  overflow:hidden;
}
.feature::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s;
  background:radial-gradient(380px 180px at 18% 0%,rgba(14,165,233,.1),transparent 65%);
  pointer-events:none;
}
.feature:hover{transform:translateY(-5px);border-color:var(--border-glow)}
.feature:hover::before{opacity:1}
.feature-icon{
  width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(6,182,212,.13),rgba(37,99,235,.13));
  border:1px solid var(--chip-border);color:var(--cyan);margin-bottom:16px;
}
.feature-icon svg{width:21px;height:21px}
.feature h3{font-size:16px;font-weight:700;margin-bottom:8px}
.feature p{font-size:13.5px;color:var(--text-dim)}
.feature-tag{
  display:inline-block;margin-left:8px;font-size:10.5px;font-weight:700;
  color:var(--blue);background:rgba(37,99,235,.09);border:1px solid rgba(37,99,235,.3);
  padding:1px 8px;border-radius:6px;vertical-align:2px;letter-spacing:.04em;
}

/* ───────────── 扫描器架构思维导图 ───────────── */
#scanner-arch{background:linear-gradient(180deg,transparent,var(--bg-soft) 25%,var(--bg-soft) 75%,transparent)}
.mind-wrap{max-width:1020px;margin:0 auto}
.mind-root-row{display:flex;justify-content:center;position:relative}
.mind-root{
  position:relative;display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:14px;font-size:16.5px;font-weight:800;
  color:var(--btn-ink);background:var(--grad);
  box-shadow:0 8px 28px rgba(14,165,233,.35);
}
.mind-root svg{width:20px;height:20px}
.mind-stem{width:2px;height:26px;margin:0 auto;background:linear-gradient(180deg,var(--cyan),var(--blue));box-shadow:0 0 8px rgba(14,165,233,.5)}
.mind-crossbar{
  height:2px;max-width:880px;margin:0 auto;
  background:linear-gradient(90deg,transparent,var(--blue) 12%,var(--cyan) 50%,var(--blue) 88%,transparent);
  opacity:.6;
}
.mind-branches{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:0;padding-top:22px;position:relative}
.mind-branch{
  position:relative;padding:20px 18px 16px;border-radius:14px;
  background:var(--panel);border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  transition:transform .28s,border-color .28s;
}
.mind-branch:hover{transform:translateY(-5px);border-color:var(--border-glow)}
.mind-branch::before{ /* 与顶部横线相连的竖向支线 */
  content:"";position:absolute;top:-22px;left:50%;width:2px;height:22px;
  background:linear-gradient(180deg,var(--cyan),var(--blue));opacity:.45;
}
/* 桌面 3 列时只有第一排分支连接顶部横线，避免第二排支线悬空 */
@media (min-width:1001px){
  .mind-branch:nth-child(n+4)::before{display:none}
}
.mind-branch-head{display:flex;align-items:center;gap:9px;margin-bottom:4px}
.mind-branch-head svg{width:18px;height:18px;color:var(--cyan);flex-shrink:0}
.mind-branch-head h3{font-size:15px;font-weight:700}
.mind-branch-sub{font-size:12px;color:var(--text-faint);margin-bottom:12px}
.mind-leaves{list-style:none;display:flex;flex-direction:column;gap:7px}
.mind-leaves li{
  position:relative;padding:6px 10px 6px 26px;border-radius:8px;
  font-size:12.5px;color:var(--text-dim);
  background:var(--panel-2);border:1px solid var(--border);
  transition:color .2s,border-color .2s;
}
.mind-leaves li::before{
  content:"";position:absolute;left:11px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:2px;background:var(--grad);
  box-shadow:0 0 6px rgba(14,165,233,.5);
}
.mind-leaves li:hover{color:var(--text);border-color:var(--border-glow)}
.mind-note{
  margin-top:30px;text-align:center;font-size:12.5px;color:var(--text-faint);
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.mind-note svg{width:14px;height:14px;color:var(--cyan)}

/* ───────────── 平台四层架构 ───────────── */
.arch{display:grid;grid-template-columns:repeat(4,1fr);gap:0;align-items:stretch;position:relative}
.arch-node{
  position:relative;padding:26px 20px;border-radius:14px;text-align:center;
  background:var(--panel);border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  transition:transform .28s,border-color .28s;
}
.arch-node:hover{transform:translateY(-5px);border-color:var(--border-glow)}
.arch-node + .arch-node{margin-left:32px}
.arch-node + .arch-node::before{
  content:"";position:absolute;left:-23px;top:50%;width:14px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  box-shadow:0 0 8px rgba(14,165,233,.6);
}
.arch-node + .arch-node::after{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-4px);
  border-left:7px solid var(--blue);border-top:5px solid transparent;border-bottom:5px solid transparent;
  filter:drop-shadow(0 0 6px rgba(37,99,235,.7));
}
.arch-icon{
  width:50px;height:50px;margin:0 auto 14px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;color:var(--cyan);
  background:linear-gradient(135deg,rgba(6,182,212,.12),rgba(37,99,235,.12));
  border:1px solid var(--chip-border);
}
.arch-icon svg{width:24px;height:24px}
.arch-node h3{font-size:15px;font-weight:700;margin-bottom:6px}
.arch-node p{font-size:12.5px;color:var(--text-dim)}
.arch-note{
  margin-top:30px;text-align:center;font-size:12.5px;color:var(--text-faint);
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.arch-note svg{width:14px;height:14px;color:var(--cyan)}

/* ───────────── 下载区 ───────────── */
#download{background:linear-gradient(180deg,transparent,rgba(14,165,233,.05) 30%,rgba(37,99,235,.06) 70%,transparent)}
.dl-panel{
  max-width:930px;margin:0 auto;border-radius:18px;
  background:var(--panel);border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  overflow:hidden;position:relative;
}
.dl-panel::before{ /* 顶部渐变发光条 */
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);
}
.dl-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 28px;border-bottom:1px solid var(--border);
  background:var(--panel-2);
}
.dl-head-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700}
.dl-head-title svg{width:17px;height:17px;color:var(--cyan)}
.dl-version-tag{
  font-size:12px;font-weight:600;color:var(--cyan);
  padding:4px 12px;border-radius:999px;
  background:var(--chip-bg);border:1px solid var(--chip-border);
  white-space:nowrap;
}
.dl-body{padding:10px 28px 26px}
.dl-group{padding:16px 0}
.dl-group + .dl-group{border-top:1px dashed var(--border)}
.dl-group-head{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.dl-group-head svg{width:16px;height:16px;color:var(--text-dim)}
.dl-group-name{font-size:14px;font-weight:700}
.dl-rows{display:flex;flex-direction:column;gap:8px}
.dl-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:11px 16px;border-radius:10px;
  background:var(--panel-2);border:1px solid var(--border);
  transition:border-color .2s,background .2s;
}
.dl-row:hover{border-color:var(--border-glow);background:var(--panel-strong)}
.dl-os{display:flex;align-items:center;gap:8px;min-width:170px}
.dl-os svg{width:17px;height:17px;color:var(--text-dim)}
.dl-os-name{font-size:13.5px;font-weight:600}
.dl-meta{display:flex;align-items:center;gap:9px;flex:1;min-width:0}
.dl-file{
  font-size:12.5px;color:var(--text-dim);font-family:ui-monospace,"Cascadia Code",Consolas,monospace;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dl-size{font-size:12px;color:var(--text-faint);white-space:nowrap}
.dl-arch{
  font-size:10.5px;font-weight:700;color:var(--blue);letter-spacing:.05em;
  padding:2px 8px;border-radius:6px;background:rgba(37,99,235,.09);border:1px solid rgba(37,99,235,.3);
  text-transform:uppercase;
}
.dl-rec{
  font-size:10.5px;font-weight:700;color:var(--btn-ink);
  padding:2px 8px;border-radius:6px;background:var(--grad);
}
.dl-actions{margin-left:auto}
.dl-btn{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  padding:8px 16px;border-radius:9px;font-size:13px;font-weight:700;
  color:var(--btn-ink);background:var(--grad);border:none;
  transition:transform .18s,box-shadow .18s;
  font-family:inherit;white-space:nowrap;
}
.dl-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(14,165,233,.4)}
.dl-btn svg{width:14px;height:14px}
.dl-state{padding:60px 28px;text-align:center;color:var(--text-dim);font-size:14px}
.dl-state .spinner{
  width:32px;height:32px;margin:0 auto 16px;border-radius:50%;
  border:3px solid rgba(14,165,233,.18);border-top-color:var(--cyan);
  animation:spin .9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.dl-state-err{color:#dc2626}
html[data-theme="dark"] .dl-state-err{color:#f87171}
.dl-foot{padding:14px 28px;border-top:1px solid var(--border);font-size:12px;color:var(--text-faint);display:flex;align-items:center;gap:8px}
.dl-foot svg{width:13px;height:13px;color:var(--cyan);flex-shrink:0}

/* ───────────── 页脚 ───────────── */
.footer{border-top:1px solid var(--border);padding:48px 0 32px;background:var(--footer-bg);transition:background .3s}
.footer-grid{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap}
.footer-brand{max-width:340px}
.footer-brand .brand{margin-bottom:12px}
.footer-brand p{font-size:13px;color:var(--text-dim)}
.footer-org{margin-top:12px;font-size:12.5px;color:var(--text-faint);display:flex;align-items:center;gap:7px}
.footer-org svg{width:14px;height:14px;color:var(--cyan)}
.footer-col h4{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:14px}
.footer-col a{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text-dim);padding:4px 0;transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-col a svg{width:13px;height:13px}
.footer-qr{text-align:left}
.footer-qr img{
  width:86px;height:86px;border-radius:10px;cursor:zoom-in;
  border:1px solid var(--border);background:#fff;padding:5px;
  transition:transform .2s,box-shadow .2s;
}
.footer-qr img:hover{transform:scale(1.06);box-shadow:0 8px 24px rgba(14,165,233,.25)}
.footer-qr .qr-label{margin-top:7px;font-size:12px;color:var(--text-dim);display:flex;align-items:center;gap:6px}
.footer-qr .qr-label svg{width:13px;height:13px;color:var(--cyan)}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-faint);
}
.footer-bottom .legal-links{display:flex;align-items:center;gap:16px}
.footer-bottom .legal-links a{display:inline-flex;align-items:center;gap:5px;transition:color .2s}
.footer-bottom .legal-links a:hover{color:var(--cyan)}
.footer-bottom .legal-links svg{width:12px;height:12px}

/* 二维码放大层 */
.qr-lightbox{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;
  background:rgba(9,18,32,.6);backdrop-filter:blur(6px);
}
.qr-lightbox.open{display:flex}
.qr-lightbox img{
  width:300px;height:300px;background:#fff;padding:14px;border-radius:16px;
  box-shadow:0 24px 80px rgba(0,0,0,.4);
}
.qr-lightbox .qr-caption{
  position:absolute;bottom:calc(50% - 190px);left:0;right:0;text-align:center;
  color:#fff;font-size:14px;
}

/* ───────────── 协议/隐私文档页 ───────────── */
.doc-nav{position:fixed;inset:0 0 auto 0;z-index:100;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:var(--nav-bg);border-bottom:1px solid var(--border)}
.doc-nav-inner{max-width:860px;margin:0 auto;padding:0 26px;height:58px;display:flex;align-items:center;gap:14px}
.doc-nav-inner .back{margin-left:auto}
.doc-wrap{max-width:860px;margin:0 auto;padding:118px 26px 80px}
.doc-head{margin-bottom:34px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.doc-head h1{font-size:28px;font-weight:800;margin-bottom:10px}
.doc-head .doc-meta{font-size:12.5px;color:var(--text-faint);display:flex;gap:14px;flex-wrap:wrap}
.doc-sec{margin-bottom:26px}
.doc-sec h2{
  font-size:17px;font-weight:700;margin-bottom:10px;
  padding-left:12px;border-left:3px solid;border-image:linear-gradient(180deg,var(--cyan),var(--blue)) 1;
}
.doc-sec p,.doc-sec li{font-size:13.8px;color:var(--text-dim)}
.doc-sec ul{padding-left:20px;margin-top:6px;display:flex;flex-direction:column;gap:4px;list-style:none}
.doc-sec ul li{position:relative}
.doc-sec ul li::before{
  content:"";position:absolute;left:-14px;top:.62em;width:6px;height:6px;border-radius:2px;
  background:var(--grad);
}
.doc-sec b{color:var(--text);font-weight:600}

/* 滚动浮现 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}.reveal-d5{transition-delay:.4s}.reveal-d6{transition-delay:.48s}
.reveal-d7{transition-delay:.56s}.reveal-d8{transition-delay:.64s}

/* ───────────── 响应式 ───────────── */
@media (max-width:1000px){
  .features{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .arch{grid-template-columns:1fr;gap:16px}
  .arch-node + .arch-node{margin-left:0}
  .arch-node + .arch-node::before,.arch-node + .arch-node::after{display:none}
  .mind-branches{grid-template-columns:repeat(2,1fr)}
  .mind-branch::before{display:none}
  .mind-crossbar{display:none}
  .mind-stem{height:18px}
}
@media (max-width:760px){
  .nav-links{display:none}
  .hero{padding:120px 0 70px}
  .features{grid-template-columns:1fr}
  .mind-branches{grid-template-columns:1fr}
  .dl-row{align-items:flex-start}
  .dl-meta{flex-wrap:wrap}
  .dl-actions{margin-left:0;width:100%}
  .dl-btn{width:100%;justify-content:center}
  .footer-grid{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   插件开发文档（2026-10-05 新增）
   - 首页/文档页导航下拉菜单 .nav-drop
   - 文档页布局 .docs-layout / 侧边栏 .docs-side / 正文 .doc-body
   - Markdown 渲染产物样式：标题锚点、表格、代码块、提示框、目录、上下篇
   ============================================================ */

/* ── 导航下拉 ── */
.nav-drop{position:relative}
.nav-drop-btn{
  display:flex;align-items:center;gap:5px;padding:7px 12px;border-radius:9px;
  font-size:13.5px;color:var(--text-dim);background:transparent;border:0;cursor:pointer;
  font-family:inherit;transition:color .2s,background .2s;
}
.nav-drop-btn:hover,.nav-drop-btn.active,.nav-drop.open .nav-drop-btn{color:var(--text);background:var(--panel-strong)}
.nav-drop-chev{width:14px;height:14px;transition:transform .2s}
.nav-drop.open .nav-drop-chev{transform:rotate(180deg)}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:270px;max-width:340px;
  background:var(--panel);border:1px solid var(--border);border-radius:12px;
  box-shadow:var(--card-hover-shadow);padding:8px;z-index:60;
  display:none;max-height:min(72vh,560px);overflow:auto;
}
.nav-drop:hover .nav-drop-menu,.nav-drop.open .nav-drop-menu{display:block}
.nav-drop-menu a{display:block;padding:8px 11px;border-radius:8px;font-size:13px;color:var(--text-dim)}
.nav-drop-menu a:hover{color:var(--text);background:var(--panel-strong)}
.nav-drop-label{padding:9px 11px 4px;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--text-faint);text-transform:uppercase}
.nav-drop-empty{padding:10px 11px;font-size:12.5px;color:var(--text-faint)}

/* ── 文档页布局 ── */
/* 顶部导航是 fixed（60px），文档布局需留出等高偏移，否则首屏被导航遮住 */
.docs-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:34px;padding-top:96px;padding-bottom:64px;align-items:start}
.docs-side{position:sticky;top:78px;max-height:calc(100vh - 96px);overflow:auto;padding-right:4px}
.docs-side-back{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-dim);
  padding:5px 9px;border-radius:8px;margin-bottom:10px;
}
.docs-side-back:hover{color:var(--text);background:var(--panel-strong)}
.docs-side-back svg{width:14px;height:14px}
.docs-side-group{margin-bottom:14px}
.docs-side-title{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--text-faint);text-transform:uppercase;padding:0 10px 6px}
.docs-side-link{display:block;padding:7px 10px;border-radius:8px;font-size:13px;color:var(--text-dim);border-left:2px solid transparent}
.docs-side-link:hover{color:var(--text);background:var(--panel-strong)}
.docs-side-link.active{color:var(--text);background:var(--chip-bg);border-left-color:var(--cyan);font-weight:600}
.docs-side-empty{font-size:13px;color:var(--text-faint);padding:8px 10px}

/* ── 文档正文 ── */
.doc-article{min-width:0;max-width:860px}
.doc-head{border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:24px}
.doc-title{font-size:30px;line-height:1.3;letter-spacing:-.01em;margin-bottom:10px}
.doc-summary{font-size:14.5px;color:var(--text-dim);max-width:760px}
.doc-meta{margin-top:12px;font-size:12px;color:var(--text-faint)}
.doc-meta span+span{margin-left:6px}

.doc-body{font-size:14.5px;color:var(--text-dim)}
.doc-body h1,.doc-body h2,.doc-body h3,.doc-body h4,.doc-body h5,.doc-body h6{
  color:var(--text);line-height:1.35;scroll-margin-top:76px;font-weight:700;
}
.doc-body h1{font-size:25px;margin:34px 0 14px}
.doc-body h2{font-size:21px;margin:32px 0 13px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.doc-body h3{font-size:17.5px;margin:26px 0 10px}
.doc-body h4{font-size:15.5px;margin:20px 0 8px}
.doc-body h5,.doc-body h6{font-size:14.5px;margin:16px 0 8px}
.doc-body p{margin:11px 0}
.doc-body a{color:var(--sky);text-decoration:none;border-bottom:1px solid rgba(14,165,233,.35)}
.doc-body a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.doc-body strong{color:var(--text)}
.doc-body ul,.doc-body ol{margin:11px 0 11px 22px}
.doc-body li{margin:5px 0}
.doc-body li>ul,.doc-body li>ol{margin:5px 0 5px 20px}
.doc-body hr{border:0;border-top:1px solid var(--border);margin:26px 0}
.doc-body blockquote{
  margin:14px 0;padding:10px 16px;border-left:3px solid var(--border);
  background:var(--panel-2);border-radius:0 10px 10px 0;color:var(--text-dim);
}
.doc-body code{
  font-family:"JetBrains Mono","Cascadia Code",Consolas,"Courier New",monospace;
  font-size:12.8px;background:var(--panel-strong);border:1px solid var(--border);
  border-radius:5px;padding:1.5px 5px;color:var(--text);word-break:break-word;
}
.doc-body pre.doc-code{
  margin:14px 0;padding:14px 16px;border-radius:11px;overflow:auto;
  background:var(--panel-2);border:1px solid var(--border);
}
.doc-body pre.doc-code code{
  background:none;border:0;padding:0;font-size:12.8px;line-height:1.6;color:var(--text);
  display:block;white-space:pre;
}
html[data-theme="dark"] .doc-body pre.doc-code{background:#070d18}

/* 表格 */
.doc-table-wrap{margin:14px 0;overflow:auto;border:1px solid var(--border);border-radius:11px}
.doc-table{border-collapse:collapse;width:100%;font-size:13.5px}
.doc-table th,.doc-table td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
.doc-table th{background:var(--panel-strong);color:var(--text);font-weight:600;white-space:nowrap}
.doc-table tr:last-child td{border-bottom:0}
.doc-table code{font-size:12.3px}

/* 提示框 */
.doc-callout{margin:14px 0;padding:12px 15px;border-radius:11px;border:1px solid var(--border);border-left-width:4px;background:var(--panel-2)}
.doc-callout-title{font-size:12.5px;font-weight:700;margin-bottom:5px;color:var(--text);letter-spacing:.03em}
.doc-callout-body>*:first-child{margin-top:0}
.doc-callout-body>*:last-child{margin-bottom:0}
.doc-callout-note{border-left-color:var(--sky)}
.doc-callout-tip{border-left-color:#10b981}
.doc-callout-important{border-left-color:#8b5cf6}
.doc-callout-warn{border-left-color:#f59e0b}
.doc-callout-danger{border-left-color:#ef4444}

/* 目录 */
.doc-toc{margin:16px 0 26px;padding:14px 18px;border:1px solid var(--border);border-radius:12px;background:var(--panel-2)}
.doc-toc-title{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--text-faint);text-transform:uppercase;margin-bottom:8px}
.doc-toc ul{margin:0;list-style:none}
.doc-toc li{margin:3px 0}
.doc-toc a{font-size:13px;color:var(--text-dim);border:0}
.doc-toc a:hover{color:var(--cyan)}
.doc-toc-l2{padding-left:14px}
.doc-toc-l3{padding-left:28px}

/* 上下篇 */
.doc-pager{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}
.doc-pager-link{
  flex:1 1 240px;display:flex;flex-direction:column;gap:3px;padding:12px 15px;
  border:1px solid var(--border);border-radius:11px;background:var(--panel);
}
.doc-pager-link:hover{border-color:var(--border-glow)}
.doc-pager-link.next{text-align:right;margin-left:auto}
.doc-pager-dir{font-size:11.5px;color:var(--text-faint)}
.doc-pager-title{font-size:13.5px;color:var(--text)}
.doc-footnote{margin-top:30px;padding-top:16px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-faint)}

@media (max-width:900px){
  .docs-layout{grid-template-columns:1fr;gap:18px}
  .docs-side{position:static;max-height:none;border-bottom:1px solid var(--border);padding-bottom:14px}
  .doc-title{font-size:24px}
}

/* 文档页下载区（2026-10-05 新增）：Markdown / SDK 包 / 全部文档打包 */
.doc-head-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:12px}
.doc-head-foot .doc-meta{margin-top:0}
.doc-download{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.doc-download .btn{padding:4px 10px;font-size:12px;border-radius:7px}
.doc-download-ver{font-size:11px;color:var(--text-faint);margin-left:-2px}