/* au- 选择性镀金端子站 样式（原创独立，深墨蓝 + 电镀金） */
:root{
  --au-ink:#0E1F2E;
  --au-ink-2:#16293B;
  --au-gold:#C8A24B;
  --au-gold-bright:#E8B84B;
  --au-gold-soft:#F3E6C8;
  --au-bg:#F7F8FA;
  --au-bg-2:#FFFFFF;
  --au-line:#D2DDEC;
  --au-line-strong:#C2CFE0;
  --au-text:#1F2A36;
  --au-muted:#5B6B7C;
  --au-radius:14px;
  --au-maxw:1180px;
  --h2-inset:0;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  color:var(--au-text);background:var(--au-bg);line-height:1.75;font-size:16px;
}
a{color:var(--au-ink);text-decoration:none;}
a:hover{color:var(--au-gold);}
img{max-width:100%;}
h1,h2,h3,h4{line-height:1.35;color:var(--au-ink);}

/* ===== 顶栏 ===== */
.au-header{position:sticky;top:0;z-index:50;background:rgba(14,31,46,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid rgba(200,162,75,.35);}
.au-header-inner{max-width:var(--au-maxw);margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;padding:0 24px;height:64px;}
.au-logo{font-weight:800;font-size:19px;color:#fff;letter-spacing:.5px;}
.au-logo::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--au-gold-bright),var(--au-gold));margin-right:8px;vertical-align:middle;}
.au-nav{display:flex;gap:22px;}
.au-nav a{color:#E5ECF4;font-size:15px;padding:6px 0;border-bottom:2px solid transparent;}
.au-nav a:hover{color:var(--au-gold-bright);border-bottom-color:var(--au-gold-bright);}
.au-nav-toggle{display:none;background:none;border:1px solid rgba(200,162,75,.5);color:var(--au-gold-bright);
  font-size:20px;border-radius:8px;width:42px;height:38px;cursor:pointer;}

/* ===== 主区 ===== */
.au-main{max-width:var(--au-maxw);margin:0 auto;padding:0 24px 64px;}
.au-breadcrumb{padding:14px 0 0;font-size:13.5px;color:var(--au-muted);}
.au-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;}
.au-breadcrumb li{display:flex;align-items:center;}
.au-breadcrumb li:not(:last-child)::after{content:"›";margin-left:8px;color:var(--au-line-strong);}
.au-breadcrumb a{color:var(--au-muted);}
.au-breadcrumb a:hover{color:var(--au-gold);}

/* ===== 详情页两栏 ===== */
.au-layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:36px;margin-top:10px;}
.au-content-main{background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:var(--au-radius);
  padding:34px 36px;min-width:0;}
.au-h1{font-size:30px;margin:0 0 12px;padding-bottom:14px;border-bottom:3px solid transparent;
  border-image:linear-gradient(90deg,var(--au-gold),transparent) 1;}
.au-update{display:inline-block;font-size:13px;color:var(--au-muted);margin-bottom:18px;
  background:var(--au-gold-soft);padding:3px 10px;border-radius:20px;}
.au-content-main h2{font-size:22px;margin:34px 0 12px;padding-left:12px;
  border-left:4px solid var(--au-gold);}
.au-content-main h3{font-size:18px;margin:24px 0 10px;color:var(--au-ink-2);}
.au-content-main p{margin:12px 0;}
.au-content-main ul{margin:12px 0;padding-left:22px;}
.au-content-main li{margin:6px 0;}
.au-content-main blockquote{margin:16px 0;padding:12px 18px;background:var(--au-gold-soft);
  border-left:4px solid var(--au-gold);border-radius:8px;color:var(--au-ink-2);}
.au-content-main code{background:#EEF2F7;padding:2px 6px;border-radius:5px;font-size:14px;color:#9a5b00;}
.au-content-main hr{border:none;border-top:1px dashed var(--au-line-strong);margin:20px 0;}

/* 表格边框覆盖全部正文表格（含 Markdown 裸 table） */
.au-content-main table,.au-page-main table,table.au-spec{
  width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px;
  border:1px solid #cbd5e1;}
.au-content-main table th,.au-page-main table th,table.au-spec th{
  background:var(--au-ink);color:#fff;padding:10px 12px;text-align:left;font-weight:600;}
.au-content-main table td,.au-page-main table td,table.au-spec td{
  padding:9px 12px;border:1px solid #cbd5e1;}
.au-content-main table tbody tr:nth-child(even),table.au-spec tbody tr:nth-child(even){
  background:#F2F6FA;}

/* ===== TOC / 分类面板（原生 details，桌面展开）===== */
.au-toc-aside{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 110px);overflow:auto;}
.au-toc-panel,.au-cat-panel{background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:var(--au-radius);
  padding:6px 14px;}
.au-toc-panel summary,.au-cat-panel summary{cursor:pointer;font-weight:700;color:var(--au-ink);
  padding:10px 2px;list-style:none;display:flex;align-items:center;justify-content:space-between;}
.au-toc-panel summary::after,.au-cat-panel summary::after{content:"▾";color:var(--au-gold);transition:transform .2s;}
.au-toc-panel:not([open]) summary::after,.au-cat-panel:not([open]) summary::after{transform:rotate(-90deg);}
.au-toc-list{list-style:none;margin:0;padding:4px 0 10px;}
.au-toc-list li{margin:6px 0;}
.au-toc-list a{font-size:14px;color:var(--au-muted);}
.au-toc-list a:hover{color:var(--au-gold);}

/* ===== FAQ ===== */
.au-faq{margin-top:30px;border-top:2px solid var(--au-line);padding-top:18px;}
.au-faq-title{font-size:20px;margin:0 0 12px;}
.au-faq-item{border:1px solid var(--au-line);border-radius:10px;margin:10px 0;background:var(--au-bg-2);}
.au-faq-item summary{cursor:pointer;padding:12px 16px;font-weight:600;color:var(--au-ink);list-style:none;}
.au-faq-item summary::before{content:"Q";display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;
  background:var(--au-gold);color:#fff;border-radius:50%;font-size:13px;margin-right:10px;}
.au-faq-item p{margin:0;padding:0 16px 14px 48px;color:var(--au-muted);}

/* ===== 列表 / 分类页 ===== */
.au-list-layout .list-grid,.list-layout .layout-grid{grid-template-columns:240px minmax(0,1fr);}
.au-cat-side{align-self:start;position:sticky;top:84px;}
.au-category-list{list-style:none;margin:6px 0;padding:0;}
.au-category-list li{margin:4px 0;}
.au-category-list a{display:block;padding:9px 12px;border-radius:9px;color:var(--au-ink-2);
  border:1px solid transparent;}
.au-category-list a:hover{background:var(--au-gold-soft);border-color:var(--au-gold);color:var(--au-ink);}
.au-cat-content{background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:var(--au-radius);
  padding:28px 32px;min-width:0;}
.au-cat-intro{color:var(--au-muted);}
.au-list-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;margin-top:16px;}
.au-list-card{display:block;background:var(--au-bg);border:1px solid var(--au-line);border-radius:12px;
  padding:18px 20px;transition:transform .15s,border-color .15s,box-shadow .15s;}
.au-list-card:hover{transform:translateY(-3px);border-color:var(--au-gold);box-shadow:0 8px 24px rgba(14,31,46,.10);}
.au-list-card-title{font-size:17px;margin:0 0 8px;color:var(--au-ink);}
.au-list-card-desc{font-size:14px;color:var(--au-muted);margin:0 0 10px;line-height:1.6;}
.au-list-card-cat{display:inline-block;font-size:12px;color:var(--au-gold);background:var(--au-gold-soft);
  padding:2px 9px;border-radius:14px;}

/* ===== 单页 ===== */
.au-page-layout .au-page-wrap{background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:var(--au-radius);
  padding:34px 40px;margin-top:10px;}
.au-page-main h2{font-size:22px;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--au-gold);}
.au-page-main h3{font-size:18px;margin:22px 0 8px;}

/* ===== 首页 ===== */
.au-home{max-width:var(--au-maxw);}
.au-hero{background:linear-gradient(135deg,var(--au-ink),var(--au-ink-2));
  border-radius:0 0 28px 28px;color:#fff;padding:64px 24px 56px;margin:0 -24px 8px;}
.au-hero-inner{max-width:880px;margin:0 auto;}
.au-hero-kicker{letter-spacing:3px;color:var(--au-gold-bright);font-size:13px;margin:0 0 14px;}
.au-hero-title{font-size:40px;margin:0 0 16px;line-height:1.25;color:#fff;}
.au-hero-sub{font-size:17px;color:#C9D6E3;margin:0 0 26px;}
.au-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.au-btn{display:inline-block;padding:12px 26px;border-radius:30px;font-weight:600;font-size:15px;}
.au-btn-primary{background:linear-gradient(135deg,var(--au-gold-bright),var(--au-gold));color:#1a1205;}
.au-btn-ghost{border:1px solid rgba(200,162,75,.6);color:var(--au-gold-bright);}
.au-btn-ghost:hover{background:rgba(200,162,75,.15);color:#fff;}
.au-section{max-width:var(--au-maxw);margin:40px auto 0;padding:0 4px;}
.au-sec-title{font-size:24px;margin:0 0 18px;padding-bottom:10px;border-bottom:2px solid var(--au-line);}
.au-home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.au-home-card{display:block;background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:14px;
  padding:20px;transition:transform .15s,border-color .15s;}
.au-home-card:hover{transform:translateY(-3px);border-color:var(--au-gold);}
.au-home-card h3{margin:0 0 8px;font-size:17px;}
.au-home-card p{margin:0;color:var(--au-muted);font-size:14px;}
.au-kw-cloud{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;}
.au-kw-cloud li{background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:20px;
  padding:7px 16px;font-size:14px;color:var(--au-ink-2);}
.au-scene-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;}
.au-scene{background:linear-gradient(135deg,var(--au-ink),var(--au-ink-2));color:#fff;border-radius:12px;
  padding:18px;text-align:center;font-size:15px;}
.au-more{margin-top:16px;}
.au-more a{color:var(--au-gold);font-weight:600;}

/* 归档 */
.au-arc-cat{font-size:17px;margin:18px 0 8px;color:var(--au-gold);}
.au-arc-list{columns:2;column-gap:30px;padding-left:20px;}
.au-arc-list li{margin:5px 0;break-inside:avoid;}

/* ===== 悬浮胶囊 ===== */
.au-capsule{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:60;
  display:flex;flex-direction:column;gap:10px;}
.au-cap-btn{width:54px;height:54px;border:none;cursor:pointer;border-radius:30px;
  background:linear-gradient(135deg,var(--au-gold-bright),var(--au-gold));color:#1a1205;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(200,162,75,.45);transition:transform .15s;}
.au-cap-btn:hover{transform:scale(1.07);}
.au-cap-ico{font-size:18px;line-height:1;}
.au-cap-txt{font-size:11px;font-weight:700;margin-top:2px;}

/* 名片弹层 */
.au-card-modal{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;}
.au-card-modal[hidden]{display:none;}
.au-card-mask{position:absolute;inset:0;background:rgba(8,18,28,.6);}
.au-card-box{position:relative;background:#fff;border-radius:12px;padding:10px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);}
.au-card-img{display:block;width:300px;height:500px;object-fit:contain;border-radius:8px;}
.au-card-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;
  border:none;background:var(--au-ink);color:#fff;font-size:20px;cursor:pointer;}

/* ===== 页脚 ===== */
.au-footer{background:var(--au-ink);color:#C9D6E3;margin-top:40px;}
.au-footer-inner{max-width:var(--au-maxw);margin:0 auto;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;padding:44px 24px 24px;}
.au-footer-col h3{color:#fff;font-size:16px;margin:0 0 14px;}
.au-footer-col p{font-size:14px;line-height:1.7;margin:0;}
.au-footer-col ul{list-style:none;padding:0;margin:0;}
.au-footer-col li{margin:7px 0;}
.au-footer-col a{color:#C9D6E3;font-size:14px;}
.au-footer-col a:hover{color:var(--au-gold-bright);}
.au-footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 24px;text-align:center;}
.au-footer-bottom p{margin:0;font-size:12.5px;color:#8FA2B5;}

/* ===== 响应式：≤1024 折叠 ===== */
@media (max-width:1024px){
  .au-layout-grid,.au-list-layout .list-grid{grid-template-columns:1fr;}
  .au-toc-aside,.au-cat-side{position:static;max-height:none;top:auto;}
  .au-content-main,.au-cat-content,.au-page-layout .au-page-wrap{padding:24px 18px;}
  .au-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--au-ink);padding:8px 24px 16px;border-bottom:1px solid rgba(200,162,75,.35);}
  .au-nav.show{display:flex;}
  .au-nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06);}
  .au-nav-toggle{display:block;}
  .au-capsule{right:12px;}
  .au-hero-title{font-size:30px;}
}
@media (max-width:560px){
  .au-hero{padding:44px 18px 40px;}
  .au-hero-title{font-size:25px;}
  .au-cap-btn{width:48px;height:48px;}
}