/* ============================================================
   注册指南栏目 · 样式
   放入主题 grzan-cn 的 assets/css/guide-reg.css
   配色与尺寸沿用现网主题：#063452 / #0878B8 / #C9A227 / #ff8124
   导航 86px / 菜单 15px / 子菜单 radius 8px + shadow 0 12px 48px
   ============================================================ */

/* ---------- 页面骨架 ---------- */
.rg-hero{
  min-height:250px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#002b5c 0%,#004c90 50%,#0066b3 100%);
  display:flex;align-items:center;justify-content:center;
}
.rg-hero .container{max-width:1730px;margin:0 auto;padding:46px 40px;position:relative;z-index:2;text-align:center}
.rg-hero h1{color:#fff;font-size:38px;font-weight:700;margin:0 0 12px;text-shadow:0 2px 16px rgba(0,0,0,.20)}
.rg-hero p{color:#fff;font-size:17px;max-width:1000px;margin:0 auto;opacity:.95;text-shadow:0 2px 12px rgba(0,0,0,.15)}
.rg-breadcrumb{background:#fff;padding:14px 0;border-bottom:1px solid #eef2f6}
.rg-breadcrumb .container{max-width:1730px;margin:0 auto;padding:0 30px}
.rg-breadcrumb .crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:#6b7a89;flex-wrap:wrap}
.rg-breadcrumb a{color:#004c90;text-decoration:none}
.rg-breadcrumb a:hover{text-decoration:underline}
.rg-breadcrumb .sp{color:#b0c4d8}
.rg-breadcrumb .cur{color:#8a9aa8}
.rg-section{background:#f7fafc;padding:40px 0 60px}
.rg-section .container{max-width:1730px;margin:0 auto;padding:0 30px}
.rg-card{background:#fff;border-radius:10px;padding:30px;border:1px solid #eef2f6}
.rg-card + .rg-card{margin-top:22px}
.rg-content{font-size:15px;line-height:1.85;color:#4a5a6a}
.rg-content p{margin:0 0 16px}

/* ---------- 标题 ---------- */
.rg-h2{margin:0 0 6px;color:#004c90;font-size:26px;font-weight:700}
.rg-h2-bar{width:40px;height:3px;background:#ff8124;margin-bottom:18px}
.rg-lead{margin:0 0 22px;color:#6b7a89;font-size:14px;line-height:1.75}
.rg-h3{font-size:18px;font-weight:700;color:#063452;margin:0 0 12px;display:flex;align-items:center;gap:10px}
.rg-h3::before{content:"";width:4px;height:16px;background:#004c90;border-radius:2px;flex:none}
.rg-h3 .n{font-size:12px;color:#8a9aa8;font-weight:400;margin-left:auto}

/* ---------- TL;DR 速查卡 ---------- */
.rg-tldr{background:#f7fafc;border-radius:8px;padding:22px 24px;border-left:3px solid #C9A227;margin-bottom:28px}
.rg-tldr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px 26px}
.rg-tldr dt{font-size:12px;color:#8a9aa8;margin-bottom:3px}
.rg-tldr dd{margin:0;font-size:14px;color:#273746;font-weight:600}

/* ---------- 表格 ---------- */
.rg-table{width:100%;border-collapse:collapse;margin-bottom:8px}
.rg-table th{background:#004c90;color:#fff;padding:11px 14px;text-align:left;font-size:13px;font-weight:600}
.rg-table td{padding:11px 14px;border-bottom:1px solid #eef2f6;font-size:13.5px;color:#4a5a6a;vertical-align:top}
.rg-table tr:nth-child(even) td{background:#f9fbfd}
.rg-table .cls{font-weight:700;color:#004c90;white-space:nowrap}

/* ---------- 集群卡片 ---------- */
.rg-cl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:16px;margin-bottom:26px}
.rg-cl{
  display:flex;flex-direction:column;background:#fff;border:1px solid #eef2f6;border-radius:10px;
  padding:20px 21px;transition:all .25s ease;text-decoration:none;
}
.rg-cl:hover{border-color:#008ad7;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,138,215,.10)}
.rg-cl b{font-size:15.5px;font-weight:700;color:#063452;margin-bottom:6px;line-height:1.4}
.rg-cl p{font-size:12.5px;color:#8a9aa8;line-height:1.65;margin:0 0 12px;flex:1}
.rg-cl .ft{display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid #eef2f6;font-size:12px}
.rg-cl .n{color:#004c90;font-weight:600}
.rg-cl .go{color:#8a9aa8;transition:color .2s,transform .2s}
.rg-cl:hover .go{color:#004c90;transform:translateX(3px)}

/* ---------- 文章条目 ---------- */
.rg-articles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.rg-art{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid #eef2f6;
  border-radius:8px;padding:14px 16px;text-decoration:none;transition:all .22s ease;
}
.rg-art:hover{border-color:#008ad7;background:#f9fdff;box-shadow:0 3px 12px rgba(0,138,215,.07)}
.rg-art .no{
  flex:none;width:26px;height:26px;border-radius:4px;background:#ebf8ff;color:#004c90;
  font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.rg-art .tt{font-size:14px;color:#273746;line-height:1.5;font-weight:500;display:block}
.rg-art .tt:hover{color:#004c90}
.rg-art .mt{font-size:11.5px;color:#a0aec0;margin-top:3px;display:block}

/* ---------- 折叠目录（纯 CSS，服务端渲染） ---------- */
details.rg-fold{border:1px solid #eef2f6;border-radius:8px;margin-top:10px;background:#f9fbfd}
details.rg-fold>summary{
  cursor:pointer;padding:11px 16px;font-size:13px;font-weight:600;color:#004c90;
  list-style:none;display:flex;align-items:center;gap:8px;user-select:none;
}
details.rg-fold>summary::-webkit-details-marker{display:none}
details.rg-fold>summary::after{content:"▾";margin-left:auto;color:#a0aec0;transition:transform .2s}
details.rg-fold[open]>summary::after{transform:rotate(180deg)}
details.rg-fold .inner{padding:0 16px 14px}

/* ---------- 六步流程 ---------- */
.rg-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin-bottom:8px}
.rg-step{background:#f9fbfd;border:1px solid #eef2f6;border-radius:8px;padding:16px 17px}
.rg-step .no{display:inline-flex;width:24px;height:24px;border-radius:50%;background:#ff8124;color:#fff;
  font-size:12px;font-weight:700;align-items:center;justify-content:center;margin-bottom:9px}
.rg-step b{display:block;font-size:14.5px;font-weight:700;color:#063452;margin-bottom:4px}
.rg-step span{font-size:12.5px;color:#8a9aa8;line-height:1.6}

/* ---------- FAQ ---------- */
.rg-faq details{border:1px solid #eef2f6;border-radius:8px;margin-bottom:9px;background:#fff}
.rg-faq summary{cursor:pointer;padding:14px 18px;font-size:14.5px;font-weight:600;color:#063452;list-style:none;position:relative}
.rg-faq summary::-webkit-details-marker{display:none}
.rg-faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:#004c90;font-size:19px;font-weight:400}
.rg-faq details[open] summary::after{content:"−"}
.rg-faq .a{padding:0 18px 15px;font-size:13.5px;color:#6b7a89;line-height:1.8}

/* ---------- 法规清单 ---------- */
.rg-laws{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:10px}
.rg-law{display:flex;gap:11px;align-items:flex-start;background:#f9fbfd;border:1px solid #eef2f6;border-radius:7px;padding:12px 14px}
.rg-law .ic{flex:none;width:22px;height:22px;border-radius:4px;background:#ebf8ff;color:#004c90;
  font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:700}
.rg-law b{display:block;font-size:13.5px;color:#063452;font-weight:600;margin-bottom:2px}
.rg-law span span{font-size:12px;color:#8a9aa8}

/* ---------- 短代码输出 ---------- */
.rg-disclaimer{margin-top:26px;padding:14px 18px;background:#f7fafc;border-radius:6px;font-size:12.5px;color:#8a9aa8;line-height:1.8}
.rg-about{margin-top:22px;padding-top:20px;border-top:1px solid #eef2f6}
.rg-about h3{font-size:18px;font-weight:700;color:#063452;margin:0 0 8px}
.rg-about p{font-size:13.5px;color:#6b7a89;line-height:1.85;margin:0}
.rg-cta-zone{margin-top:24px;padding:22px 24px;background:linear-gradient(135deg,#004c90,#0066b3);border-radius:8px;color:#fff}
.rg-cta-zone h3{font-size:18px;font-weight:700;margin:0 0 7px}
.rg-cta-zone p{font-size:13.5px;opacity:.85;margin:0 0 16px;line-height:1.75}
.rg-cta-zone a{display:inline-block;padding:11px 30px;background:#ff8124;color:#fff;border-radius:4px;
  text-decoration:none;font-weight:600;font-size:15px}
.rg-cta-zone a:hover{background:#e06e1a}

/* ---------- 页面底部 CTA ---------- */
.rg-cta{background:linear-gradient(135deg,#004c90 0%,#0066b3 50%,#004c90 100%);padding:44px 0;text-align:center;color:#fff}
.rg-cta .container{max-width:1730px;margin:0 auto;padding:0 30px}
.rg-cta h2{margin:0 0 10px;font-size:28px;font-weight:700}
.rg-cta p{margin:0 0 20px;font-size:16px;opacity:.85;max-width:560px;margin-left:auto;margin-right:auto}
.rg-cta a{display:inline-block;padding:12px 36px;background:#ff8124;color:#fff;border-radius:4px;
  text-decoration:none;font-weight:600;font-size:16px;transition:all .25s;border:1px solid #ff8124}
.rg-cta a:hover{background:#e06e1a;border-color:#e06e1a}

/* ============================================================
   导航 mega panel（方案 A：横向国家 chip + 当前国 5 集群）
   视觉沿用现网子菜单：radius 8px / shadow 0 12px 48px / 淡入上移 12px
   ============================================================ */
.rg-li{position:relative}
.rg-mega{
  position:absolute;top:100%;left:0;z-index:999;width:660px;
  background:#fff;border-radius:8px;padding:22px 24px 20px;
  box-shadow:0 12px 48px rgba(0,0,0,.10);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  transform:translateY(12px);
}
.rg-li:hover .rg-mega,
.rg-li:focus-within .rg-mega,
.rg-mega.force-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.rg-mega-hd{display:flex;align-items:baseline;justify-content:space-between;
  margin-bottom:13px;padding-bottom:11px;border-bottom:1px solid #eef2f6}
.rg-mega-hd b{font-size:13px;color:#063452;font-weight:600}
.rg-mega-hd span{font-size:12px;color:#8a9aa8}
.rg-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.rg-chip{
  font-size:13px;padding:6px 14px;border-radius:4px;border:1px solid #e2e8f0;
  color:#4a5a6a;background:#fff;cursor:pointer;transition:all .2s;white-space:nowrap;text-decoration:none;
}
.rg-chip:hover{border-color:#004c90;color:#004c90}
.rg-chip.cur{background:#004c90;border-color:#004c90;color:#fff;font-weight:600}
.rg-chip.off{background:#f7fafc;border-color:transparent;color:#a0aec0;cursor:not-allowed}
.rg-chip.off:hover{border-color:transparent;color:#a0aec0}
.rg-ent-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.rg-ent{
  display:block;padding:11px 13px;border:1px solid #eef2f6;border-radius:6px;
  background:#fff;transition:all .22s;
}
.rg-ent:hover{border-color:#008ad7;background:#f7fafc;box-shadow:0 3px 12px rgba(0,138,215,.08)}
.rg-ent b{display:block;font-size:13.5px;font-weight:600;color:#063452;margin-bottom:2px;line-height:1.4}
.rg-ent span{display:block;font-size:11.5px;color:#8a9aa8;line-height:1.5}
.rg-ent .cnt{display:inline-block;margin-top:6px;font-size:11px;color:#004c90;
  background:#ebf8ff;padding:1px 7px;border-radius:3px;font-weight:600}
.rg-mega-ft{margin-top:14px;padding-top:11px;border-top:1px solid #eef2f6;
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#8a9aa8}
.rg-mega-ft a{color:#004c90;font-weight:600;text-decoration:none}
.rg-mega-ft a:hover{text-decoration:underline}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .rg-articles{grid-template-columns:1fr}
  .rg-mega{width:min(660px,calc(100vw - 32px))}
}
@media(max-width:768px){
  .rg-ent-grid{grid-template-columns:1fr}
  .rg-hero h1{font-size:28px}
  .rg-hero p{font-size:15px}
  .rg-card{padding:20px}
  .rg-section .container,.rg-breadcrumb .container,.rg-cta .container{padding:0 20px}
}
@media(max-width:480px){
  .rg-hero h1{font-size:24px}
  .rg-hero p{font-size:14px}
  .rg-card{padding:16px}
  .rg-h2{font-size:21px}
  .rg-section .container,.rg-breadcrumb .container,.rg-cta .container{padding:0 16px}
  .rg-cta h2{font-size:20px}
  .rg-cta a{width:100%;text-align:center;padding:12px 20px}
}

/* ============ 新增 2026-10-20：国旗 / 集群块 / 段落式核验清单 ============ */
.rg-cl-flag{padding-top:0;overflow:hidden}
.rg-cl-flag .rg-flag{display:block;width:calc(100% + 42px);height:110px;object-fit:cover;margin:-21px -21px 16px;border-bottom:1px solid #eef2f6;border-radius:9px 9px 0 0}
.rg-cl-flag:hover .rg-flag{border-bottom-color:#008ad7}
.rg-cluster-block{margin-bottom:34px}
.rg-cluster-block:last-child{margin-bottom:0}
.rg-cluster-title{margin-bottom:4px;padding-bottom:9px;border-bottom:1px solid #eef2f6}
.rg-cluster-desc{font-size:13px;color:#8a9aa8;line-height:1.65;margin:0 0 14px}
.rg-verify{margin-top:26px;padding:16px 20px;background:#f7fafc;border-left:3px solid #004c90;border-radius:6px;font-size:13.5px;color:#4a5a6a;line-height:1.9}
.rg-verify b{color:#063452;font-weight:700}
@media(max-width:768px){.rg-cl-flag .rg-flag{height:90px}}