/* auto.雷达连接器.中国 — 独立骨架样式（radc- 前缀）
   配色：近黑枪灰底 #0A0E15 + 雷达青 #2BD1C8 + 琥珀橙 #FF8A3D */

:root{
  --bg:#0A0E15;
  --panel:#141C2A;
  --panel-2:#1B2536;
  --line:#25334A;
  --primary:#2BD1C8;
  --primary-dim:#1E9C95;
  --accent:#FF8A3D;
  --text:#E3EBF5;
  --muted:#93A4BC;
  --maxw:1180px;
  --header-h:60px;
  --h2-inset:0px;
  --radius:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;padding-top:var(--header-h);
}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--accent);}
img{max-width:100%;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
h2{margin:2rem 0 1rem;padding-left:var(--h2-inset);font-size:1.5rem;color:#fff;
  border-left:3px solid var(--primary);padding-left:calc(var(--h2-inset) + 12px);}
h3{margin:1.4rem 0 .7rem;font-size:1.18rem;color:var(--primary);}

.radc-container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.radc-h1{font-size:2rem;margin:0 0 1.2rem;color:#fff;}
.radc-container .radc-h1{padding-left:var(--h2-inset);}

/* ===== Header / Nav ===== */
.radc-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:50;
  background:rgba(10,14,21,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.radc-header-inner{max-width:var(--maxw);margin:0 auto;height:100%;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;}
.radc-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;}
.radc-logo-mark{width:22px;height:22px;border-radius:50%;border:2px solid var(--primary);
  position:relative;background:radial-gradient(circle,var(--primary) 0 3px,transparent 4px);}
.radc-logo-mark::after{content:"";position:absolute;inset:3px;border-radius:50%;
  border:1px solid var(--accent);opacity:.6;}
.radc-logo-text{font-size:1.02rem;letter-spacing:.02em;}

.radc-nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);
  width:42px;height:38px;border-radius:8px;font-size:1.2rem;cursor:pointer;}
.radc-nav-list{list-style:none;display:flex;align-items:center;gap:4px;margin:0;padding:0;}
.radc-nav-item{position:relative;}
.radc-nav-item>a{display:block;padding:8px 14px;color:var(--text);border-radius:8px;font-size:.95rem;}
.radc-nav-item>a:hover{background:var(--panel-2);color:var(--primary);}
.radc-has-sub .radc-nav-sub{position:absolute;top:100%;left:0;min-width:180px;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);
  display:none;padding:6px;z-index:60;}
.radc-has-sub:hover .radc-nav-sub{display:block;}
.radc-nav-sub summary{display:none;cursor:pointer;padding:8px 14px;color:var(--text);list-style:none;}
.radc-nav-sub ul{list-style:none;margin:0;padding:0;}
.radc-nav-sub li>a{display:block;padding:8px 12px;border-radius:7px;color:var(--muted);font-size:.9rem;}
.radc-nav-sub li>a:hover{background:var(--panel-2);color:var(--primary);}

/* ===== Layout grids ===== */
.radc-layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px;align-items:start;}
.radc-list-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start;}

.radc-content-main{min-width:0;}
.radc-toc-aside{position:sticky;top:calc(var(--header-h) + 16px);max-height:calc(100vh - 100px);overflow:auto;}
.radc-toc-panel,.radc-cat-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:16px;}
.radc-toc-summary,.radc-cat-summary{cursor:pointer;font-weight:700;color:#fff;list-style:none;outline:none;}
.radc-toc-summary::-webkit-details-marker{display:none;}
.radc-toc-summary::after,.radc-cat-summary::after{content:"\25BE";float:right;color:var(--primary);transition:transform .2s;}
.radc-toc-panel[open]>.radc-toc-summary::after,.radc-cat-panel[open]>.radc-cat-summary::after{transform:rotate(180deg);}
.radc-toc-list{list-style:none;margin:10px 0 0;padding:0;counter-reset:toc;}
.radc-toc-item{counter-increment:toc;margin:6px 0;font-size:.9rem;}
.radc-toc-item::before{content:counter(toc) ". ";color:var(--primary-dim);}
.radc-toc-item a{color:var(--muted);}
.radc-toc-item a:hover{color:var(--primary);}

/* ===== Breadcrumb ===== */
.radc-breadcrumb{margin:22px 0 8px;padding-left:var(--h2-inset);}
.radc-breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;font-size:.85rem;color:var(--muted);}
.radc-breadcrumb-item{display:flex;align-items:center;gap:6px;}
.radc-breadcrumb-item a{color:var(--muted);}
.radc-breadcrumb-item a:hover{color:var(--primary);}
.radc-breadcrumb-sep{color:var(--line);}

/* ===== Category side list ===== */
.radc-category-list{list-style:none;margin:10px 0 0;padding:0;}
.radc-category-item{margin:2px 0;}
.radc-category-item a{display:block;padding:8px 12px;border-radius:8px;color:var(--muted);border-left:2px solid transparent;}
.radc-category-item a:hover{background:var(--panel-2);color:var(--primary);}
.radc-category-item.is-active a{background:var(--panel-2);color:var(--primary);border-left-color:var(--accent);}

/* ===== Article body ===== */
.radc-article-body,.radc-product-body,.radc-page-body{font-size:1.02rem;}
.radc-article-body p,.radc-product-body p,.radc-page-body p{margin:.9rem 0;}
.radc-article-body blockquote,.radc-product-body blockquote,.radc-page-body blockquote{
  margin:1.2rem 0;padding:14px 18px;background:var(--panel);border-left:4px solid var(--accent);border-radius:0 10px 10px 0;color:var(--text);}
.radc-article-body ul,.radc-product-body ul,.radc-page-body ul,.radc-related-list,.radc-item-list{padding-left:1.4rem;}
.radc-article-body li,.radc-product-body li{margin:.4rem 0;}
.radc-keyword-line{color:var(--muted);font-size:.95rem;margin:.6rem 0 1.2rem;}
.radc-update-time{color:var(--muted);font-size:.85rem;margin:.4rem 0 1rem;}

/* ===== Tables (覆盖全部正文表格) ===== */
.radc-content-main table,.radc-product-body table,.radc-page-main table,table.radc-spec{
  width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem;background:var(--panel);}
.radc-content-main table th,.radc-product-body table th,.radc-page-main table th,table.radc-spec th{
  background:var(--primary-dim);color:#04141a;font-weight:700;text-align:left;padding:10px 12px;border:1px solid var(--line);}
.radc-content-main table td,.radc-product-body table td,.radc-page-main table td,table.radc-spec td{
  padding:10px 12px;border:1px solid var(--line);color:var(--text);}
.radc-content-main table tr:nth-child(even) td,table.radc-spec tr:nth-child(even) td{background:rgba(255,255,255,.03);}

/* ===== FAQ ===== */
.radc-faq-block{margin:2rem 0;}
.radc-faq-title{font-size:1.3rem;color:#fff;border-left:3px solid var(--accent);padding-left:calc(var(--h2-inset) + 12px);}
.radc-faq-block > details{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:0 16px;}
.radc-faq-q{cursor:pointer;font-weight:600;color:#fff;padding:14px 0;list-style:none;outline:none;}
.radc-faq-q::-webkit-details-marker{display:none;}
.radc-faq-q::before{content:"Q ";color:var(--accent);font-weight:700;margin-right:6px;}
.radc-faq-q::after{content:"\25BE";float:right;color:var(--primary);}
.radc-faq-block > details[open] > .radc-faq-q::after{transform:rotate(180deg);}
.radc-faq-a{padding:0 0 14px;color:var(--muted);}

/* ===== Related ===== */
.radc-related{margin:2rem 0;border-top:1px solid var(--line);padding-top:1.2rem;}
.radc-related-title{font-size:1.3rem;color:#fff;}
.radc-related-list li{margin:.5rem 0;}
.radc-related-list a{color:var(--primary);font-weight:600;}

/* ===== List page items ===== */
.radc-item-list{list-style:none;padding:0;margin:0;}
.radc-item{margin:0 0 18px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .2s,transform .2s;}
.radc-item:hover{border-color:var(--primary);transform:translateY(-2px);}
.radc-item-title{font-size:1.08rem;font-weight:700;color:#fff;}
.radc-item-summary{margin:.5rem 0 0;color:var(--muted);font-size:.92rem;}
.radc-compact .radc-item{padding:10px 14px;margin-bottom:10px;}
.radc-cat-intro{color:var(--muted);margin:.4rem 0 1.4rem;}

/* ===== Home ===== */
.radc-hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#0B1320 0%,#0A0E15 60%);border-bottom:1px solid var(--line);}
.radc-hero-ring{position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,transparent 58%,rgba(43,209,200,.10) 60%,transparent 62%,transparent 70%,rgba(255,138,61,.08) 72%,transparent 74%);
  border:1px solid rgba(43,209,200,.18);}
.radc-hero-ring::after{content:"";position:absolute;inset:80px;border-radius:50%;border:1px solid rgba(43,209,200,.22);}
.radc-hero-inner{position:relative;z-index:2;padding:78px 0 70px;max-width:760px;}
.radc-hero-kicker{color:var(--primary);letter-spacing:.08em;font-size:.9rem;margin:0 0 .8rem;}
.radc-hero-title{font-size:2.6rem;margin:0 0 1rem;color:#fff;line-height:1.2;}
.radc-hero-sub{color:var(--muted);font-size:1.1rem;margin:0 0 1.8rem;}
.radc-hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.radc-btn{display:inline-block;padding:12px 26px;border-radius:30px;font-weight:700;font-size:.98rem;}
.radc-btn-primary{background:var(--primary);color:#04141a;}
.radc-btn-primary:hover{background:#43e2da;color:#04141a;}
.radc-btn-ghost{border:1px solid var(--primary);color:var(--primary);}
.radc-btn-ghost:hover{background:rgba(43,209,200,.1);color:var(--primary);}

.radc-section{padding:46px 0;}
.radc-section-title{font-size:1.6rem;color:#fff;margin:0 0 1.2rem;display:inline-block;position:relative;}
.radc-section-title::after{content:"";display:block;width:48px;height:3px;background:var(--accent);margin-top:8px;}
.radc-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;}
.radc-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .2s,transform .2s;}
.radc-card:hover{border-color:var(--primary);transform:translateY(-3px);}
.radc-card-title{margin:0 0 .6rem;font-size:1.15rem;color:var(--primary);}
.radc-card-desc{margin:0;color:var(--muted);font-size:.93rem;}
.radc-keyword-cloud{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;}
.radc-keyword{background:var(--panel-2);border:1px solid var(--line);color:var(--text);padding:8px 16px;border-radius:20px;font-size:.92rem;}
.radc-baseline{color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;line-height:1.9;}
.radc-scenario-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;}
.radc-scenario{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:8px;padding:14px 18px;color:var(--text);}
.radc-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;}

/* ===== Footer ===== */
.radc-footer{background:#070B12;border-top:1px solid var(--line);margin-top:40px;padding:40px 0 20px;}
.radc-footer-cols{display:grid;grid-template-columns:repeat(3,auto) minmax(220px,1.3fr);gap:24px 48px;justify-content:center;max-width:1060px;margin:0 auto;}
.radc-footer-h{font-size:1rem;color:#fff;margin:0 0 12px;}
.radc-footer-col ul{list-style:none;padding:0;margin:0;}
.radc-footer-col li{margin:6px 0;}
.radc-footer-col a{color:var(--muted);font-size:.92rem;}
.radc-footer-col a:hover{color:var(--primary);}
.radc-footer-about p{color:var(--muted);font-size:.9rem;line-height:1.8;}
.radc-footer-bottom{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;text-align:center;}

/* ===== Float capsule ===== */
.radc-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:10px;}
.radc-float-btn{width:54px;height:54px;border-radius:30px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#04141a;
  display:flex;flex-direction:column;align-items:center;justify-content:center;border:none;cursor:pointer;box-shadow:var(--shadow);}
.radc-float-btn:hover{filter:brightness(1.08);}
.radc-float-ico{font-size:1.2rem;line-height:1;}
.radc-float-txt{font-size:.62rem;font-weight:700;margin-top:2px;}
.radc-float-mail{text-decoration:none;}

.radc-card-overlay{position:fixed;inset:0;z-index:80;background:rgba(4,8,14,.8);display:flex;align-items:center;justify-content:center;}
.radc-card-overlay[hidden]{display:none;}
.radc-card-pop{position:relative;background:#fff;border-radius:10px;padding:8px;box-shadow:var(--shadow);}
.radc-card-img{display:block;width:300px;height:500px;object-fit:contain;border-radius:6px;}
.radc-card-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#04141a;border:none;font-size:1.3rem;cursor:pointer;line-height:1;}

.radc-center{text-align:center;padding:60px 0;}
.radc-archive-block{margin:30px 0;}
.radc-archive-cat{color:var(--primary);margin:18px 0 8px;}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .radc-nav-toggle{display:block;}
  .radc-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--panel);
    border-bottom:1px solid var(--line);padding:10px 24px;max-height:calc(100vh - var(--header-h));overflow:auto;}
  .radc-nav-open .radc-nav{display:block;}
  .radc-nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .radc-has-sub .radc-nav-sub{position:static;display:block;box-shadow:none;border:none;background:transparent;padding:0 0 0 12px;}
  .radc-nav-sub summary{display:block;padding:8px 10px;color:var(--muted);}
  .radc-has-sub:hover .radc-nav-sub{display:block;}

  .radc-layout-grid,.radc-list-grid{grid-template-columns:1fr;gap:20px;}
  .radc-toc-aside{position:static;max-height:none;}
  .radc-split{grid-template-columns:1fr;gap:20px;}
  .radc-hero-title{font-size:2rem;}
  .radc-footer-cols{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .radc-footer-cols{grid-template-columns:1fr;}
  .radc-hero-ring{display:none;}
  .radc-container{padding:0 16px;}
}