/* cab- 原创骨架样式 · cable.车载雷达.公司 */
:root{
  --cab-ink:#0C0F14;
  --cab-ink2:#11161F;
  --cab-card:#141B26;
  --cab-line:#243040;
  --cab-text:#E6EAF0;
  --cab-muted:#9AA7B5;
  --cab-amber:#F5A623;
  --cab-cyan:#22D3C5;
  --h2-inset:16px;            /* 面包屑与正文 H2 左缘对齐基准 [M18c++] */
  --cab-maxw:1120px;
  --cab-nav-h:64px;
}
.cab-page-wrap{ --h2-inset:48px; }   /* 页面卡片模式 [M18c++] */

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body.cab-body{
  background:var(--cab-ink);
  color:var(--cab-text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.8;
  padding-top:var(--cab-nav-h);
}
a{color:var(--cab-cyan);text-decoration:none;}
a:hover{color:var(--cab-amber);}
img{max-width:100%;}

/* ===== 头部导航 ===== */
.cab-header{position:fixed;top:0;left:0;right:0;height:var(--cab-nav-h);z-index:50;
  background:rgba(12,15,20,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--cab-line);}
.cab-header-inner{max-width:var(--cab-maxw);margin:0 auto;height:100%;display:flex;align-items:center;
  padding:0 24px;gap:24px;}
.cab-logo{font-weight:800;font-size:18px;color:#fff;white-space:nowrap;letter-spacing:.5px;}
.cab-logo span{color:var(--cab-amber);}
.cab-nav{margin-left:auto;}
.cab-nav-list{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center;}
.cab-nav-list>li>a{color:var(--cab-text);font-size:15px;padding:6px 0;display:inline-block;position:relative;}
.cab-nav-list>li>a:hover{color:var(--cab-amber);}
.cab-nav-item{position:relative;}
.cab-nav-sub{position:absolute;top:100%;left:0;min-width:172px;background:var(--cab-ink2);
  border:1px solid var(--cab-line);border-radius:10px;padding:8px 0;list-style:none;margin:0;
  display:none;box-shadow:0 12px 30px rgba(0,0,0,.45);z-index:60;}
.cab-nav-item:hover .cab-nav-sub,.cab-nav-item:focus-within .cab-nav-sub{display:block;}
.cab-nav-sub li a{display:block;padding:7px 16px;color:var(--cab-muted);font-size:14px;}
.cab-nav-sub li a:hover{color:var(--cab-amber);background:rgba(245,166,35,.08);}
.cab-nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto;}
.cab-nav-toggle span{width:24px;height:2px;background:var(--cab-text);display:block;}

/* ===== 主区域 ===== */
.cab-main{max-width:var(--cab-maxw);margin:0 auto;padding:28px 24px 56px;}

/* 面包屑：左缘与正文 H2 对齐 [M18c++] */
.cab-crumb{padding-left:var(--h2-inset);margin:6px 0 18px;}
.cab-crumb-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;font-size:13px;color:var(--cab-muted);}
.cab-crumb-list li{display:flex;align-items:center;gap:8px;}
.cab-crumb-list li:not(:first-child)::before{content:"›";color:var(--cab-line);}
.cab-crumb-list a{color:var(--cab-muted);}
.cab-crumb-list a:hover{color:var(--cab-cyan);}
.cab-crumb-list span[aria-current]{color:var(--cab-text);}

/* 详情页栅格：内容在前、TOC 在后 [M27 不冲突] */
.cab-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px;align-items:start;}
.cab-content-main{padding-left:var(--h2-inset);}
.cab-content-main h1{font-size:30px;line-height:1.3;margin:8px 0 18px;color:#fff;}
.cab-content-main h2{font-size:22px;margin:34px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--cab-line);color:#fff;}
.cab-content-main h2 .cab-anchor{color:var(--cab-line);font-weight:400;margin-left:6px;}
.cab-content-main h3{font-size:18px;margin:24px 0 10px;color:var(--cab-cyan);}
.cab-content-main p{margin:0 0 16px;}
.cab-content-main ul,.cab-content-main ol{margin:0 0 16px;padding-left:24px;}
.cab-content-main li{margin:6px 0;}
.cab-content-main blockquote{margin:16px 0;padding:12px 18px;border-left:3px solid var(--cab-amber);
  background:rgba(245,166,35,.07);color:var(--cab-text);border-radius:0 8px 8px 0;}
.cab-content-main strong{color:#fff;}
.cab-content-main code{background:var(--cab-ink2);padding:2px 6px;border-radius:5px;font-size:14px;color:var(--cab-cyan);}

/* 表格：覆盖正文全部 <table>（含 Markdown 裸 table）[M26] */
.cab-content-main table,.cab-page-main table,table.cab-spec{
  border-collapse:collapse;width:100%;margin:16px 0;font-size:14.5px;
  border:1px solid #2a3a4d;
}
.cab-content-main table th,.cab-content-main table td,.cab-page-main table th,
.cab-page-main table td,table.cab-spec th,table.cab-spec td{
  border:1px solid #2a3a4d;padding:9px 12px;text-align:left;vertical-align:top;
}
.cab-content-main table th,.cab-page-main table th,table.cab-spec th{
  background:#13202e;color:#fff;font-weight:600;
}
.cab-content-main table tr:nth-child(even) td,table.cab-spec tr:nth-child(even) td{background:rgba(255,255,255,.03);}

/* TOC：sticky，非 fixed [M1''] */
.cab-toc-aside{position:sticky;top:calc(var(--cab-nav-h) + 16px);align-self:start;
  max-height:calc(100vh - 110px);overflow:auto;}
.cab-toc-panel,.cab-cat-panel{border:1px solid var(--cab-line);border-radius:10px;background:var(--cab-ink2);padding:12px 14px;}
.cab-toc-panel>summary,.cab-cat-panel>summary{cursor:pointer;font-weight:700;color:#fff;list-style:none;
  display:flex;align-items:center;justify-content:space-between;}
.cab-toc-panel>summary::after,.cab-cat-panel>summary::after{content:"▾";color:var(--cab-amber);transition:transform .2s;}
.cab-toc-panel[open]>summary::after,.cab-cat-panel[open]>summary::after{transform:rotate(180deg);}
.cab-toc-list{list-style:none;margin:10px 0 0;padding:0;font-size:13.5px;}
.cab-toc-list li{margin:6px 0;}
.cab-toc-list a{color:var(--cab-muted);}
.cab-toc-list a:hover{color:var(--cab-amber);}
.cab-toc-lv3{padding-left:14px;font-size:13px;}

/* 列表页：侧栏在前、内容在后 [M27] */
.cab-list-grid.cab-layout-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start;}
.cab-cat-side{position:sticky;top:calc(var(--cab-nav-h) + 16px);}
.cab-category-list{list-style:none;margin:10px 0 0;padding:0;font-size:14px;}
.cab-category-list li{margin:2px 0;}
.cab-category-list a{display:block;padding:7px 10px;border-radius:8px;color:var(--cab-muted);}
.cab-category-list a:hover{background:rgba(34,211,197,.08);color:var(--cab-cyan);}
.cab-category-list li.active a{background:rgba(245,166,35,.14);color:var(--cab-amber);font-weight:600;}
.cab-cat-content h1{font-size:28px;color:#fff;margin:0 0 8px;}
.cab-cat-content .cab-cat-desc{color:var(--cab-muted);margin:0 0 20px;}
.cab-list-body{padding-left:var(--h2-inset);}

/* 卡片网格（列表/首页） */
.cab-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:18px;}
.cab-card{background:var(--cab-card);border:1px solid var(--cab-line);border-radius:12px;padding:18px 18px 16px;
  transition:transform .18s,border-color .18s,box-shadow .18s;}
.cab-card:hover{transform:translateY(-3px);border-color:var(--cab-amber);box-shadow:0 10px 28px rgba(245,166,35,.12);}
.cab-card h3{margin:0 0 8px;font-size:17px;color:#fff;}
.cab-card h3 a{color:#fff;}
.cab-card p{margin:0 0 10px;color:var(--cab-muted);font-size:13.5px;}
.cab-card .cab-card-meta{font-size:12px;color:var(--cab-cyan);}

/* FAQ */
.cab-faq{margin:30px 0 10px;}
.cab-faq-title{font-size:22px;color:#fff;margin:0 0 12px;border-bottom:1px solid var(--cab-line);padding-bottom:8px;}
.cab-faq-item{border:1px solid var(--cab-line);border-radius:10px;margin:8px 0;background:var(--cab-ink2);}
.cab-faq-item>summary{cursor:pointer;padding:13px 16px;font-weight:600;color:#fff;list-style:none;display:flex;gap:10px;}
.cab-faq-item>summary::before{content:"Q";color:var(--cab-amber);font-weight:800;}
.cab-faq-item>div{padding:0 16px 14px 40px;color:var(--cab-muted);}

/* 实践经验 callout */
.cab-case{border:1px dashed var(--cab-cyan);border-radius:10px;padding:14px 16px;margin:22px 0;background:rgba(34,211,197,.06);}
.cab-case-head{color:var(--cab-cyan);font-weight:700;margin-bottom:6px;}
.cab-case-body{margin:0;color:var(--cab-text);}

/* 相关阅读/产品 */
.cab-related{margin:28px 0 6px;}
.cab-related h2{font-size:20px;color:#fff;border-bottom:1px solid var(--cab-line);padding-bottom:8px;}
.cab-related ul{list-style:none;padding:0;margin:12px 0 0;}
.cab-related li{padding:10px 0;border-bottom:1px solid var(--cab-line);}
.cab-related a{color:var(--cab-cyan);font-weight:600;}
.cab-related span{color:var(--cab-muted);font-size:13.5px;display:block;margin-top:3px;}

/* 页面卡片 */
.cab-page-card{background:var(--cab-card);border:1px solid var(--cab-line);border-radius:14px;
  padding:28px 40px 28px 0;margin-top:8px;}
.cab-page-card h1{font-size:28px;color:#fff;margin:0 0 18px;}
.cab-page-card h2{font-size:21px;color:#fff;margin:28px 0 12px;border-bottom:1px solid var(--cab-line);padding-bottom:8px;}
.cab-page-card h3{font-size:17px;color:var(--cab-cyan);margin:20px 0 8px;}
.cab-page-card p{margin:0 0 14px;}
.cab-page-card ul,.cab-page-card ol{margin:0 0 14px;padding-left:24px;}

/* 分页 */
.cab-pagination{margin:26px 0;display:flex;gap:14px;align-items:center;font-size:14px;}
.cab-pagination a{color:var(--cab-cyan);}

/* ===== 首页 ===== */
.cab-home{max-width:var(--cab-maxw);margin:0 auto;padding:0 24px 60px;}
.cab-hero{position:relative;padding:64px 40px;border-radius:18px;margin:24px 0 40px;overflow:hidden;
  background:radial-gradient(1200px 400px at 80% -10%,rgba(245,166,35,.18),transparent),
             radial-gradient(900px 380px at 0% 120%,rgba(34,211,197,.16),transparent),var(--cab-ink2);
  border:1px solid var(--cab-line);}
.cab-hero h1{font-size:38px;line-height:1.25;margin:0 0 16px;color:#fff;max-width:760px;}
.cab-hero p{font-size:17px;color:var(--cab-muted);max-width:680px;margin:0 0 22px;}
.cab-hero .cab-hero-cta{display:inline-block;background:linear-gradient(90deg,var(--cab-amber),#ffcf6b);
  color:#1a1205;font-weight:700;padding:12px 26px;border-radius:10px;}
.cab-hero .cab-hero-cta:hover{color:#000;}
.cab-stat-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;}
.cab-stat .cab-stat-n{font-size:30px;font-weight:800;color:var(--cab-amber);}
.cab-stat .cab-stat-l{font-size:13.5px;color:var(--cab-muted);}
.cab-section{margin:42px 0;}
.cab-section-head{font-size:24px;color:#fff;margin:0 0 6px;}
.cab-section-sub{color:var(--cab-muted);margin:0 0 18px;}
.cab-caps{display:flex;flex-wrap:wrap;gap:12px;}
.cab-cap{background:var(--cab-ink2);border:1px solid var(--cab-line);border-radius:999px;padding:8px 16px;font-size:14px;color:var(--cab-cyan);}
.cab-cta-band{margin:46px 0 10px;padding:30px 36px;border-radius:14px;text-align:center;
  background:linear-gradient(90deg,rgba(245,166,35,.14),rgba(34,211,197,.12));border:1px solid var(--cab-line);}
.cab-cta-band a{color:var(--cab-amber);font-weight:700;}

/* ===== 悬浮胶囊 ===== */
.cab-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:80;
  display:flex;flex-direction:column;gap:12px;}
.cab-float-btn{width:auto;min-width:48px;height:48px;padding:0 12px;border:0;border-radius:999px;cursor:pointer;
  display:flex;align-items:center;gap:6px;justify-content:center;font-size:14px;font-weight:700;
  background:linear-gradient(135deg,var(--cab-amber),var(--cab-cyan));color:#10151c;
  box-shadow:0 8px 22px rgba(0,0,0,.4);text-decoration:none;}
.cab-float-btn span{display:inline;}
.cab-float-btn:hover{filter:brightness(1.08);color:#000;}
.cab-float-mail{color:#10151c;}

/* 名片弹层 */
.cab-card-mask{position:fixed;inset:0;background:rgba(6,9,13,.78);z-index:120;display:flex;align-items:center;justify-content:center;padding:20px;}
.cab-card-mask[hidden]{display:none;}
.cab-card-box{position:relative;background:#fff;border-radius:12px;padding:10px;max-width:92vw;max-height:92vh;}
.cab-card-img{display:block;max-height:84vh;width:auto;height:auto;}
.cab-card-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;border:0;
  background:var(--cab-amber);color:#10151c;font-size:20px;font-weight:800;cursor:pointer;line-height:1;}

/* ===== 页脚 ===== */
.cab-footer{border-top:1px solid var(--cab-line);background:var(--cab-ink2);margin-top:40px;}
.cab-footer-inner{max-width:var(--cab-maxw);margin:0 auto;padding:36px 24px 22px;}
.cab-foot-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:26px;}
.cab-foot-title{font-weight:700;color:#fff;margin-bottom:10px;font-size:15px;}
.cab-foot-text{color:var(--cab-muted);font-size:13.5px;line-height:1.7;}
.cab-foot-links{list-style:none;margin:0;padding:0;font-size:13.5px;}
.cab-foot-links li{margin:6px 0;}
.cab-foot-links a{color:var(--cab-muted);}
.cab-foot-links a:hover{color:var(--cab-cyan);}
.cab-footer-bottom{border-top:1px solid var(--cab-line);margin-top:24px;padding-top:16px;
  font-size:13px;color:var(--cab-muted);text-align:center;}

/* ===== 响应式：断点 1024 [M25] 折叠，禁止隐藏导航入口 ===== */
@media (max-width:1024px){
  .cab-detail-grid{grid-template-columns:1fr;}
  .cab-toc-aside{position:static;max-height:none;margin-top:18px;}
  .cab-list-grid.cab-layout-grid{grid-template-columns:1fr;}
  .cab-cat-side{position:static;margin-bottom:18px;}
  .cab-foot-cols{grid-template-columns:1fr 1fr;}
  .cab-nav{position:fixed;top:var(--cab-nav-h);left:0;right:0;background:var(--cab-ink2);
    border-bottom:1px solid var(--cab-line);display:none;padding:14px 24px;}
  .cab-nav.open{display:block;}
  .cab-nav-list{flex-direction:column;gap:4px;align-items:stretch;}
  .cab-nav-item .cab-nav-sub{position:static;display:block;border:0;box-shadow:none;background:none;padding:0 0 0 14px;}
  .cab-nav-toggle{display:flex;}
  .cab-hero h1{font-size:28px;}
}
@media (max-width:640px){
  .cab-foot-cols{grid-template-columns:1fr;}
  .cab-hero{padding:40px 22px;}
  .cab-float{right:10px;}
  .cab-float-btn span{display:none;}
}