/* ============================================================
   雷达连接器.中国 —— rdc- 独立主题样式（雷达 PPI 屏质感）
   深墨蓝 #0B1016 + 雷达屏绿 #3BE0A0 + 信号琥珀 #FFC24B
   本文件为全新独立编写，类名前缀 rdc-，不与任何其它站点共用。
   ============================================================ */
:root {
  --rdc-bg: #0B1016;
  --rdc-bg-2: #0F1620;
  --rdc-panel: #121B26;
  --rdc-line: #1C2630;
  --rdc-line-2: #2A3744;
  --rdc-green: #3BE0A0;
  --rdc-green-dim: #2BA67A;
  --rdc-amber: #FFC24B;
  --rdc-amber-dim: #C9902F;
  --rdc-text: #DCE6F0;
  --rdc-text-dim: #8FA0B2;
  --rdc-shadow: 0 6px 28px rgba(0,0,0,.45);
  --rdc-radius: 14px;
  --rdc-nav-h: 64px;
  --h2-inset: 16px;          /* 文章/列表/产品正文 H2 左缘 */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--rdc-nav-h) + 12px); }
body {
  margin: 0;
  background: var(--rdc-bg);
  color: var(--rdc-text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background-image:
    linear-gradient(rgba(28,38,48,.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,38,48,.45) 1px, transparent 1px);
  background-size: 42px 42px;
}
a { color: var(--rdc-green); text-decoration: none; }
a:hover { color: var(--rdc-amber); }
img { max-width: 100%; height: auto; }
h1,h2,h3,h4 { color: #fff; line-height: 1.35; font-weight: 700; }
h2 { font-size: 1.45rem; margin: 2rem 0 1rem; padding-left: var(--h2-inset);
     border-left: 4px solid var(--rdc-green); }
h3 { font-size: 1.18rem; margin: 1.5rem 0 .8rem; color: var(--rdc-green); }

/* ---------- 布局容器 ---------- */
.rdc-container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.rdc-page-wrap { max-width: 1180px; margin: 0 auto; padding: 24px 24px 60px; }

/* 详情页：内容在前 + TOC 在后 */
.rdc-layout-grid {
  display: grid; grid-template-columns: minmax(0,1fr) 240px; gap: 40px;
  max-width: 1180px; margin: 0 auto; padding: 24px 24px 60px; align-items: start;
}
.rdc-content-main { min-width: 0; max-width: 760px; }

/* 列表/分类页：侧栏在前(240) + 内容在后 */
.rdc-list-layout { max-width: 1180px; margin: 0 auto; padding: 24px 24px 60px; }
.rdc-list-layout .rdc-layout-grid {
  grid-template-columns: 240px minmax(0,1fr);
}
.rdc-cat-side { min-width: 0; }
.rdc-cat-content { min-width: 0; }

/* ---------- 顶部导航 ---------- */
.rdc-header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--rdc-nav-h);
  background: rgba(11,16,22,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rdc-line); z-index: 1000;
}
.rdc-nav { display: flex; align-items: center; justify-content: space-between; height: 100%;
           max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.rdc-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: #fff; }
.rdc-brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--rdc-green);
                  box-shadow: 0 0 12px var(--rdc-green); }
.rdc-brand small { color: var(--rdc-text-dim); font-weight: 500; font-size: .72rem; margin-left: 6px; }
.rdc-menu { display: flex; gap: 4px; align-items: center; }
.rdc-menu > li { list-style: none; position: relative; }
.rdc-menu a { display: inline-block; padding: 8px 14px; color: var(--rdc-text); border-radius: 8px;
              font-size: .95rem; }
.rdc-menu a:hover { background: var(--rdc-panel); color: var(--rdc-green); }
.rdc-menu .rdc-sub { display: none; position: absolute; top: 100%; left: 0; min-width: 200px;
                     background: var(--rdc-bg-2); border: 1px solid var(--rdc-line);
                     border-radius: 10px; padding: 8px; box-shadow: var(--rdc-shadow); }
.rdc-menu li:hover .rdc-sub { display: block; }
.rdc-menu .rdc-sub a { display: block; }
.rdc-hamburger { display: none; background: none; border: 1px solid var(--rdc-line);
                 color: var(--rdc-text); border-radius: 8px; padding: 8px 12px; cursor: pointer; }

/* ---------- 面包屑（容器内的 H2 对齐）---------- */
.rdc-breadcrumb { padding: 14px 0 0; }
.rdc-breadcrumb nav { padding-left: var(--h2-inset); }   /* 与正文 H2 文字左缘对齐（文章/列表/产品=16px） */
.rdc-page-main .rdc-breadcrumb nav { padding-left: 48px; } /* 页面卡片=48px */
.rdc-page-main h2 { padding-left: 48px; border-left: none; }
.rdc-breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0;
                     font-size: .9rem; color: var(--rdc-text-dim); }
.rdc-breadcrumb li::after { content: "›"; margin-left: 8px; color: var(--rdc-line-2); }
.rdc-breadcrumb li:last-child::after { content: ""; }
.rdc-breadcrumb a { color: var(--rdc-text-dim); }

/* ---------- TOC 悬浮（原生 details，sticky）---------- */
.rdc-toc-aside { position: sticky; top: calc(var(--rdc-nav-h) + 16px);
                 max-height: calc(100vh - 100px); overflow-y: auto; }
.rdc-toc-panel, .rdc-cat-panel {
  background: var(--rdc-panel); border: 1px solid var(--rdc-line);
  border-radius: var(--rdc-radius); padding: 4px 0;
}
.rdc-toc-panel > summary, .rdc-cat-panel > summary {
  cursor: pointer; padding: 12px 16px; font-weight: 700; color: #fff; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.rdc-toc-panel > summary::after, .rdc-cat-panel > summary::after {
  content: "▾"; color: var(--rdc-green); transition: transform .2s; }
.rdc-toc-panel:not([open]) > summary::after, .rdc-cat-panel:not([open]) > summary::after { transform: rotate(-90deg); }
.rdc-toc-panel ol, .rdc-cat-panel ul { margin: 0; padding: 0 0 10px 0; list-style: none; }
.rdc-toc-panel ol li a, .rdc-cat-panel ul li a {
  display: block; padding: 7px 16px; color: var(--rdc-text-dim); font-size: .9rem; border-left: 3px solid transparent; }
.rdc-toc-panel ol li a:hover, .rdc-cat-panel ul li a:hover { color: var(--rdc-green); border-left-color: var(--rdc-green); background: var(--rdc-bg-2); }

/* ---------- 分类侧栏（左列表，非卡片网格）---------- */
.rdc-category-list { list-style: none; margin: 0; padding: 0; }
.rdc-category-list li { margin: 2px 0; }
.rdc-category-list a { display: block; padding: 9px 14px; border-radius: 9px; color: var(--rdc-text); }
.rdc-category-list a:hover, .rdc-category-list a.active { background: var(--rdc-bg-2); color: var(--rdc-green); }

/* ---------- 卡片网格（列表页内容区用）---------- */
.rdc-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 18px; }
.rdc-card { background: var(--rdc-panel); border: 1px solid var(--rdc-line); border-radius: var(--rdc-radius);
            padding: 18px; transition: transform .15s, border-color .15s; }
.rdc-card:hover { transform: translateY(-3px); border-color: var(--rdc-green); }
.rdc-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.rdc-card .meta { color: var(--rdc-text-dim); font-size: .85rem; }
.rdc-card .desc { color: var(--rdc-text-dim); font-size: .92rem; margin-top: 8px; }

/* ---------- 表格（覆盖全部 .content-main table / page-main table + rdc-spec）---------- */
.rdc-content-main table, .rdc-page-main table, table.rdc-spec {
  width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: .94rem;
  border: 1px solid #cbd5e1; background: var(--rdc-panel);
}
.rdc-content-main table th, .rdc-page-main table th, table.rdc-spec th {
  background: #16222E; color: #fff; text-align: left; padding: 10px 12px; border: 1px solid #cbd5e1; font-weight: 600; }
.rdc-content-main table td, .rdc-page-main table td, table.rdc-spec td {
  padding: 9px 12px; border: 1px solid #cbd5e1; color: var(--rdc-text); }
.rdc-content-main table tr:nth-child(even) td, .rdc-page-main table tr:nth-child(even) td,
table.rdc-spec tr:nth-child(even) td { background: var(--rdc-bg-2); }

/* ---------- FAQ（裸 details，禁止额外 class）---------- */
.rdc-content-main details, .rdc-page-main details {
  border: 1px solid var(--rdc-line); border-radius: 10px; margin: 10px 0; background: var(--rdc-panel); }
.rdc-content-main details summary, .rdc-page-main details summary {
  cursor: pointer; padding: 12px 16px; font-weight: 600; color: #fff; list-style: none; }
.rdc-content-main details summary::before, .rdc-page-main details summary::before {
  content: "＋"; color: var(--rdc-green); margin-right: 10px; }
.rdc-content-main details[open] summary::before, .rdc-page-main details[open] summary::before { content: "－"; }
.rdc-content-main details p, .rdc-page-main details p { padding: 0 16px 14px; color: var(--rdc-text-dim); }

/* ---------- 结论 / callout ---------- */
.rdc-conclusion { background: rgba(59,224,160,.08); border: 1px solid var(--rdc-green-dim);
                  border-radius: 12px; padding: 16px 18px; margin: 1.4rem 0; }
.rdc-conclusion strong { color: var(--rdc-green); }
.rdc-callout { background: rgba(255,194,75,.08); border-left: 4px solid var(--rdc-amber);
               border-radius: 10px; padding: 14px 16px; margin: 1.2rem 0; color: var(--rdc-text); }

/* ---------- 标签 ---------- */
.tag-text { display: inline-block; background: var(--rdc-bg-2); border: 1px solid var(--rdc-line-2);
            color: var(--rdc-text-dim); border-radius: 999px; padding: 2px 10px; font-size: .8rem; margin: 2px 4px 2px 0; }

/* ---------- 悬浮工具胶囊 ---------- */
.rdc-float { position: fixed; right: 18px; top: 50%; transform: translateY(-50%);
             display: flex; flex-direction: column; gap: 10px; z-index: 900; }
.rdc-float a, .rdc-float button {
  width: 52px; height: 52px; border-radius: 26px; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--rdc-green), var(--rdc-green-dim));
  color: #06120C; font-weight: 700; display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(59,224,160,.35); font-size: .62rem; gap: 2px; text-decoration: none; }
.rdc-float .rdc-float-mail { background: linear-gradient(135deg, var(--rdc-amber), var(--rdc-amber-dim)); color: #2A1C00; }
.rdc-float .rdc-float-top { background: linear-gradient(135deg, #2A3744, #16222E); color: var(--rdc-text); }
.rdc-float svg { width: 20px; height: 20px; }

/* 名片弹层 */
.rdc-card-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); display: none;
                    align-items: center; justify-content: center; z-index: 1100; }
.rdc-card-overlay[open], .rdc-card-overlay.show { display: flex; }
.rdc-card-overlay img { max-height: 90vh; width: auto; border-radius: 10px; box-shadow: var(--rdc-shadow); }
.rdc-card-overlay .rdc-card-close { position: absolute; top: 20px; right: 24px; font-size: 2rem; color: #fff; cursor: pointer; background: none; border: none; }

/* ---------- 页脚 ---------- */
.rdc-footer { border-top: 1px solid var(--rdc-line); background: var(--rdc-bg-2); margin-top: 40px; }
.rdc-footer .rdc-cols { display: grid; grid-template-columns: 2.2fr 1fr 1fr; gap: 24px;
                        max-width: 1180px; margin: 0 auto; padding: 36px 24px; }
.rdc-footer h4 { color: var(--rdc-green); font-size: 1rem; margin: 0 0 12px; }
.rdc-footer a { color: var(--rdc-text-dim); display: block; padding: 3px 0; }
.rdc-footer .rdc-bottom { border-top: 1px solid var(--rdc-line); text-align: center;
                          color: var(--rdc-text-dim); font-size: .85rem; padding: 16px; }

/* ---------- Hero（首页）---------- */
.rdc-hero { padding: 120px 0 60px; text-align: left; }
.rdc-hero h1 { font-size: 2.6rem; margin: 0 0 16px; max-width: 800px; }
.rdc-hero h1 .hl { color: var(--rdc-green); }
.rdc-hero p { color: var(--rdc-text-dim); font-size: 1.1rem; max-width: 720px; }
.rdc-hero .rdc-cta { margin-top: 24px; display: flex; gap: 14px; flex-wrap: wrap; }
.rdc-btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 700; }
.rdc-btn-primary { background: var(--rdc-green); color: #06120C; }
.rdc-btn-ghost { border: 1px solid var(--rdc-line-2); color: var(--rdc-text); }
.rdc-stat-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 40px; }
.rdc-stat { background: var(--rdc-panel); border: 1px solid var(--rdc-line); border-radius: var(--rdc-radius); padding: 18px; }
.rdc-stat .n { font-size: 1.8rem; font-weight: 800; color: var(--rdc-amber); }
.rdc-stat .l { color: var(--rdc-text-dim); font-size: .9rem; }

.rdc-section { padding: 40px 0; }
.rdc-section h2 { border: none; padding-left: 0; }
.rdc-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.rdc-chip { background: var(--rdc-panel); border: 1px solid var(--rdc-line-2); color: var(--rdc-text);
            padding: 8px 14px; border-radius: 999px; font-size: .9rem; }

/* ---------- 归档 / 列表条目 ---------- */
.rdc-archive-list { list-style: none; padding: 0; }
.rdc-archive-list li { padding: 14px 0; border-bottom: 1px solid var(--rdc-line); display: flex; justify-content: space-between; gap: 16px; }
.rdc-archive-list time { color: var(--rdc-text-dim); font-size: .85rem; white-space: nowrap; }

/* ---------- 分页 ---------- */
.rdc-pagination { display: flex; gap: 8px; margin-top: 24px; }
.rdc-pagination a, .rdc-pagination span { padding: 8px 14px; border: 1px solid var(--rdc-line); border-radius: 8px; color: var(--rdc-text-dim); }
.rdc-pagination .current { background: var(--rdc-green); color: #06120C; border-color: var(--rdc-green); }

/* ---------- FAQ（原生 details，bare_details）---------- */
.rdc-faq { margin-top: 30px; border-top: 1px solid var(--rdc-line); padding-top: 20px; }
.rdc-faq-item { border: 1px solid var(--rdc-line); border-radius: 10px; margin-bottom: 10px; background: var(--rdc-panel); overflow: hidden; }
.rdc-faq-item > summary { cursor: pointer; list-style: none; padding: 14px 18px; font-weight: 700; color: var(--rdc-text); display: flex; align-items: center; }
.rdc-faq-item > summary::-webkit-details-marker { display: none; }
.rdc-faq-item > summary::before { content: "＋"; margin-right: 10px; color: var(--rdc-green); font-weight: 800; }
.rdc-faq-item[open] > summary::before { content: "－"; }
.rdc-faq-item > div { padding: 0 18px 16px; color: var(--rdc-text-dim); line-height: 1.8; }
.rdc-faq-item > div p { margin: 0; }

/* ---------- 响应式：≤1024 折叠 ---------- */
@media (max-width: 1024px) {
  .rdc-layout-grid { grid-template-columns: 1fr; gap: 20px; }
  .rdc-list-layout .rdc-layout-grid { grid-template-columns: 1fr; }
  .rdc-toc-aside { position: static; max-height: none; }
  .rdc-menu { display: none; position: absolute; top: var(--rdc-nav-h); left: 0; right: 0;
              flex-direction: column; background: var(--rdc-bg-2); border-bottom: 1px solid var(--rdc-line); padding: 12px; }
  .rdc-menu.open { display: flex; }
  .rdc-menu .rdc-sub { position: static; display: block; box-shadow: none; border: none; padding-left: 12px; }
  .rdc-hamburger { display: block; }
  .rdc-footer .rdc-cols { grid-template-columns: 1fr; }
  .rdc-stat-row { grid-template-columns: repeat(2,1fr); }
  .rdc-hero { padding: 100px 0 40px; }
  .rdc-hero h1 { font-size: 2rem; }
}
@media (max-width: 600px) {
  .rdc-stat-row { grid-template-columns: 1fr; }
  body { font-size: 15px; }
}