/* cal.匹配负载.中国 —— 独立骨架样式（cal- 前缀，深青墨 + 计量青 + 校准橙） */
:root{
  --cal-ink:#0B2231;
  --cal-ink-2:#13384E;
  --cal-accent:#119DA4;
  --cal-accent-d:#0C7E84;
  --cal-hot:#E07A1F;
  --cal-bg:#F1F5F7;
  --cal-surface:#FFFFFF;
  --cal-line:#CFDCE3;
  --cal-muted:#5A6B78;
  --cal-text:#1A2733;
  --cal-h2-inset:0px;
  --cal-header-h:64px;
  --cal-maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--cal-text);background:var(--cal-bg);line-height:1.75;font-size:16px;
  padding-top:var(--cal-header-h);
}
a{color:var(--cal-accent-d);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;}
h1,h2,h3,h4{color:var(--cal-ink);line-height:1.35;font-weight:700;}
.cal-container{max-width:var(--cal-maxw);margin:0 auto;padding:0 24px;}

/* ===== 顶部固定导航 ===== */
.cal-header{position:fixed;top:0;left:0;right:0;height:var(--cal-header-h);z-index:50;
  background:linear-gradient(90deg,var(--cal-ink),var(--cal-ink-2));box-shadow:0 2px 12px rgba(0,0,0,.18);}
.cal-header-inner{display:flex;align-items:center;height:var(--cal-header-h);gap:18px;}
.cal-logo{color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px;white-space:nowrap;}
.cal-nav-list{display:flex;gap:22px;list-style:none;margin:0;padding:0;}
.cal-nav-list a{color:#DCE8EE;font-size:15px;padding:6px 0;border-bottom:2px solid transparent;}
.cal-nav-list a:hover{color:#fff;border-bottom-color:var(--cal-hot);text-decoration:none;}
.cal-nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;
  font-size:20px;border-radius:8px;width:42px;height:38px;cursor:pointer;margin-left:auto;}
.cal-nav-sub{background:var(--cal-ink-2);border-top:1px solid rgba(255,255,255,.12);padding:14px 24px;}
.cal-nav-sub-list{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-wrap:wrap;gap:14px;}
.cal-nav-sub-list a{color:#DCE8EE;}
.cal-nav-sub details{margin-bottom:8px;}
.cal-nav-sub summary{color:#fff;cursor:pointer;font-weight:600;padding:6px 0;}

/* ===== 面包屑 ===== */
.cal-crumb{margin:22px 0 8px;font-size:13.5px;color:var(--cal-muted);}
.cal-crumb-list{list-style:none;display:flex;flex-wrap:wrap;gap:2px;margin:0;padding:0;}
.cal-crumb-list li{display:flex;align-items:center;}
.cal-crumb-sep{margin:0 7px;color:var(--cal-line);}
.cal-crumb a{color:var(--cal-accent-d);}
.cal-crumb [aria-current="page"]{color:var(--cal-text);font-weight:600;}

/* ===== 布局栅格 ===== */
.layout-grid{display:grid;gap:32px;align-items:start;margin:10px 0 40px;}
.cal-article-layout .layout-grid,.layout-grid:not(.list-grid){grid-template-columns:minmax(0,1fr) 260px;}
.cal-list-layout .layout-grid,.list-grid{grid-template-columns:260px minmax(0,1fr);}
.content-main{min-width:0;background:var(--cal-surface);border:1px solid var(--cal-line);
  border-radius:14px;padding:30px 34px;box-shadow:0 6px 22px rgba(16,43,67,.05);}
.page-main{max-width:1024px;margin:10px auto 40px;background:var(--cal-surface);
  border:1px solid var(--cal-line);border-radius:14px;padding:34px 40px;
  box-shadow:0 6px 22px rgba(16,43,67,.05);}
.cat-content{min-width:0;}

/* ===== 标题与正文 ===== */
.cal-h1{font-size:27px;margin:0 0 14px;}
.content-main h2,.page-main h2{font-size:21px;margin:30px 0 12px;padding-left:12px;
  border-left:4px solid var(--cal-accent);}
.content-main h3,.page-main h3{font-size:17px;margin:22px 0 10px;color:var(--cal-ink-2);}
.cal-body{font-size:16px;color:var(--cal-text);}
.cal-body p{margin:0 0 14px;}
.cal-abstract{background:linear-gradient(90deg,#EAF6F7,#F1F5F7);border:1px solid var(--cal-line);
  border-left:4px solid var(--cal-accent);border-radius:10px;padding:14px 18px;color:var(--cal-ink-2);font-size:15.5px;}
.cal-keywords{font-size:13.5px;color:var(--cal-muted);margin:-4px 0 14px;}
.cal-update{font-size:13px;color:var(--cal-muted);}
.cal-sec-title{font-size:18px;font-weight:700;color:var(--cal-ink);margin:30px 0 12px;
  padding-left:12px;border-left:4px solid var(--cal-hot);}

/* ===== 表格（覆盖全部正文 table，含 Markdown 裸 table） ===== */
table.cal-spec,.content-main table,.page-main table,.cat-content table{
  border-collapse:collapse;width:100%;margin:16px 0;font-size:14.5px;
  border:1px solid #B9CAD4;background:var(--cal-surface);}
table.cal-spec th,.content-main table th,.page-main table th,.cat-content table th{
  background:var(--cal-ink);color:#fff;text-align:left;padding:10px 12px;font-weight:600;}
table.cal-spec td,.content-main table td,.page-main table td,.cat-content table td{
  border:1px solid #C9D6DE;padding:9px 12px;}
table.cal-spec tbody tr:nth-child(even),.content-main table tbody tr:nth-child(even),
.page-main table tbody tr:nth-child(even){background:#F4F8FA;}

/* ===== 目录（粘性，非 fixed） ===== */
.toc-aside{position:sticky;top:calc(var(--cal-header-h) + 18px);max-height:calc(100vh - 100px);overflow-y:auto;}
.cal-toc-panel{background:var(--cal-surface);border:1px solid var(--cal-line);border-radius:12px;padding:6px 14px;}
.cal-toc-panel summary{cursor:pointer;font-weight:700;color:var(--cal-ink);padding:8px 0;}
.cal-toc-list{list-style:none;margin:0;padding:0 0 6px;}
.cal-toc-list li{padding:3px 0;}
.cal-toc-lv3{padding-left:16px;font-size:14px;}
.cal-toc-list a{color:var(--cal-muted);font-size:14px;}

/* ===== 分类侧栏 ===== */
.cat-side{min-width:0;}
.cal-cat-panel{background:var(--cal-surface);border:1px solid var(--cal-line);border-radius:12px;padding:6px 14px;margin-bottom:16px;}
.cal-cat-panel summary{cursor:pointer;font-weight:700;color:var(--cal-ink);padding:8px 0;}
.category-list{list-style:none;margin:0;padding:4px 0 8px;}
.category-list li{padding:5px 0;}
.category-list a{color:var(--cal-text);display:block;padding:4px 8px;border-radius:7px;}
.category-list a:hover{background:#EAF6F7;text-decoration:none;}
.category-list li.active a{background:var(--cal-accent);color:#fff;font-weight:600;}

/* ===== FAQ ===== */
.cal-faq{margin:6px 0;}
.cal-faq-item{background:var(--cal-surface);border:1px solid var(--cal-line);border-radius:10px;margin-bottom:10px;padding:4px 16px;}
.cal-faq-item summary{cursor:pointer;font-weight:600;color:var(--cal-ink);padding:12px 0;}
.cal-faq-a{padding:0 0 12px;color:var(--cal-text);}

/* ===== 相关阅读 / 列表 ===== */
.cal-related-list{list-style:none;margin:6px 0;padding:0;}
.cal-related-list li{padding:8px 0;border-bottom:1px dashed var(--cal-line);}
.cal-related-note{color:var(--cal-muted);font-size:14px;}
.cal-item-list{list-style:none;margin:0;padding:0;}
.cal-item{padding:16px 0;border-bottom:1px solid var(--cal-line);}
.cal-item-title{font-size:18px;font-weight:600;color:var(--cal-ink);}
.cal-item-date{display:block;font-size:13px;color:var(--cal-muted);margin:4px 0;}
.cal-item-sum{margin:6px 0 0;color:var(--cal-muted);font-size:14.5px;}
.cal-list-desc{color:var(--cal-muted);margin:0 0 18px;}

/* ===== 首页 ===== */
.cal-hero{background:linear-gradient(120deg,var(--cal-ink),var(--cal-ink-2) 60%,var(--cal-accent-d));
  color:#fff;border-radius:0 0 22px 22px;padding:54px 0 60px;}
.cal-hero-inner{max-width:var(--cal-maxw);margin:0 auto;padding:0 24px;}
.cal-hero-h{font-size:36px;margin:0 0 14px;color:#fff;}
.cal-hero-p{font-size:17px;max-width:760px;color:#D7E6EC;margin:0 0 24px;}
.cal-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cal-btn{display:inline-block;padding:11px 22px;border-radius:10px;border:1px solid rgba(255,255,255,.5);
  color:#fff;font-weight:600;background:transparent;}
.cal-btn:hover{text-decoration:none;background:rgba(255,255,255,.12);}
.cal-btn-primary{background:var(--cal-hot);border-color:var(--cal-hot);color:#fff;}
.cal-btn-primary:hover{background:#c96a16;}
.cal-section{max-width:var(--cal-maxw);margin:40px auto;padding:0 24px;}
.cal-section-h{font-size:23px;margin:0 0 18px;color:var(--cal-ink);position:relative;padding-left:14px;}
.cal-section-h::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;border-radius:3px;background:var(--cal-hot);}
.cal-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.cal-card{display:block;background:var(--cal-surface);border:1px solid var(--cal-line);border-radius:14px;
  padding:20px 22px;transition:.18s;box-shadow:0 4px 16px rgba(16,43,67,.05);}
.cal-card:hover{transform:translateY(-3px);border-color:var(--cal-accent);text-decoration:none;box-shadow:0 10px 26px rgba(17,157,164,.18);}
.cal-card-h{margin:0 0 8px;font-size:18px;color:var(--cal-ink);}
.cal-card-p{margin:0;color:var(--cal-muted);font-size:14.5px;}
.cal-kw-cloud{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;}
.cal-kw-cloud li{background:#EAF6F7;border:1px solid #CDE7E9;color:var(--cal-accent-d);
  padding:7px 14px;border-radius:999px;font-size:14px;}
.cal-baseline{background:var(--cal-surface);border:1px solid var(--cal-line);border-radius:16px;padding:26px 30px;}
.cal-baseline-p{color:var(--cal-text);margin:0 0 14px;}
.cal-baseline-list{margin:0;padding-left:20px;}
.cal-baseline-list li{margin:8px 0;}
.cal-app-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));}
.cal-app{background:#EAF6F7;border:1px solid #CDE7E9;border-radius:12px;padding:16px 18px;color:var(--cal-ink-2);font-size:15px;}
.cal-mini-list{list-style:none;margin:0;padding:0;columns:2;column-gap:30px;}
.cal-mini-list li{padding:8px 0;border-bottom:1px dashed var(--cal-line);break-inside:avoid;}
.cal-archive-h{font-size:22px;margin:26px 0 10px;color:var(--cal-ink);}
.cal-archive-cat{font-size:17px;margin:16px 0 6px;color:var(--cal-accent-d);}
.cal-404{padding:60px 40px;text-align:center;}
.cal-404-p{color:var(--cal-muted);margin:0 0 20px;}

/* ===== 页脚 ===== */
.cal-footer{background:var(--cal-ink);color:#C7D6DE;margin-top:50px;padding:40px 0 26px;}
.cal-footer-inner{max-width:var(--cal-maxw);margin:0 auto;}
.cal-footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px;padding:0 24px;}
.cal-footer-h{color:#fff;font-size:16px;margin:0 0 12px;}
.cal-footer-p{font-size:14px;color:#AFC2CC;margin:0;}
.cal-footer-ul{list-style:none;margin:0;padding:0;}
.cal-footer-ul li{padding:5px 0;}
.cal-footer-ul a{color:#C7D6DE;}
.cal-footer-copy{padding:22px 24px 0;margin:18px 0 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9FB3BD;}

/* ===== 悬浮胶囊 ===== */
.cal-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:60;
  display:flex;flex-direction:column;gap:8px;padding:8px 6px;border-radius:999px;
  background:linear-gradient(180deg,var(--cal-accent),var(--cal-hot));box-shadow:0 8px 26px rgba(11,34,49,.32);}
.cal-float-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  width:52px;height:52px;border:none;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;
  cursor:pointer;font-size:11px;transition:.15s;}
.cal-float-btn:hover{background:rgba(255,255,255,.3);}
.cal-float-ico{font-size:18px;line-height:1;}
.cal-card-overlay{position:fixed;inset:0;z-index:70;background:rgba(11,34,49,.72);
  display:flex;align-items:center;justify-content:center;padding:20px;}
.cal-card-overlay[hidden]{display:none;}
.cal-card-box{position:relative;background:#fff;border-radius:12px;padding:10px;}
.cal-card-img{display:block;width:300px;height:500px;object-fit:contain;}
.cal-card-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;
  border:none;background:var(--cal-ink);color:#fff;font-size:20px;cursor:pointer;}

/* ===== 响应式（≤1024px）：栅格单列，折叠面板靠 details，禁止 display:none 隐藏导航 ===== */
@media (max-width:1024px){
  .cal-nav{display:none;}
  .cal-nav-toggle{display:block;margin-left:auto;}
  .cal-article-layout .layout-grid,.layout-grid:not(.list-grid),
  .cal-list-layout .layout-grid,.list-grid{grid-template-columns:1fr;gap:18px;}
  .toc-aside{position:static;max-height:none;}
  .cal-mini-list{columns:1;}
  .cal-footer-cols{grid-template-columns:1fr;gap:18px;}
  .cal-hero-h{font-size:28px;}
}
@media (max-width:560px){
  .cal-container{padding:0 16px;}
  .content-main,.page-main{padding:22px 18px;}
  .cal-float{right:10px;}
  .cal-float-btn{width:46px;height:46px;}
}