/* 华信检测（CTLC）- 全站样式 */
:root {
  --primary: #0b5cab;
  --primary-dark: #084a8c;
  --accent: #00a3a3;
  --ink: #1c2b3a;
  --muted: #5a6b7d;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --line: #e3e9f0;
  --radius: 10px;
  --maxw: 1120px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.7; font-size: 16px;
}
img { max-width: 100%; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 顶部信息条 */
.topbar { background: #f3f7fb; color: #5a6b7d; font-size: 13px; border-bottom: 1px solid var(--line); }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding-top: 7px; padding-bottom: 7px; }
.topbar a { color: inherit; }

/* 导航 */
.site-header { background: var(--bg); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 12px; }
.brand { flex-shrink: 0; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--ink); }
.brand span { white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand .logo-img { height: 42px; width: auto; display: block; }
.brand .logo { width: 38px; height: 38px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 800; letter-spacing: 1px; }
.brand small { font-size: 11px; color: var(--muted); font-weight: 400; display: block; line-height: 1.2; }
.nav-links { display: flex; gap: 13px; list-style: none; min-width: 0; }
.nav-links a { color: var(--ink); font-weight: 500; font-size: 14.5px; white-space: nowrap; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); text-decoration: none; }
.nav-cta { background: var(--ink); color: #fff !important; padding: 9px 13px; border-radius: 8px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.nav-cta:hover { background: var(--primary); text-decoration: none !important; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; font-size: 18px; cursor: pointer; color: var(--ink); }

/* Hero */
.hero { background: linear-gradient(135deg, #0b5cab 0%, #0a6fb5 55%, #00a3a3 130%); color: #fff; padding: 78px 0 84px; }
.hero h1 { font-size: 38px; line-height: 1.35; margin-bottom: 16px; max-width: 720px; }
.hero p.lead { font-size: 18px; max-width: 640px; color: #dcebf7; margin-bottom: 30px; }
.btn { display: inline-block; padding: 12px 26px; border-radius: 6px; font-weight: 600; font-size: 15px; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #eef4fb; text-decoration: none; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.7); color: #fff; margin-left: 12px; }
.btn-ghost:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-badges span { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); padding: 5px 14px; border-radius: 999px; font-size: 13px; }

/* 通用区块 */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head .kicker { color: var(--accent); font-weight: 700; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: 30px; margin: 6px 0 10px; }
.section-head p { color: var(--muted); max-width: 640px; margin: 0 auto; }
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 卡片 */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: 0 8px 24px rgba(11,92,171,.10); transform: translateY(-3px); }
.card .icon { width: 46px; height: 46px; border-radius: 10px; background: #e8f1fb; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card ul { margin: 10px 0 0 18px; color: var(--muted); font-size: 14px; }
.card ul li { margin: 3px 0; }

/* 数据条 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats .num { font-size: 34px; font-weight: 800; color: var(--primary); }
.stats .num small { font-size: 16px; font-weight: 600; }
.stats .lbl { color: var(--muted); font-size: 14px; }

/* FAQ */
details.faq { border: 1px solid var(--line); border-radius: 8px; background: #fff; margin-bottom: 12px; padding: 0 20px; }
details.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; position: relative; padding-right: 30px; }
details.faq summary::after { content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%); color: var(--primary); font-size: 20px; font-weight: 400; }
details.faq[open] summary::after { content: "−"; }
details.faq .a { padding: 0 0 16px; color: var(--muted); font-size: 15px; }

/* 流程 */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 58px; margin-bottom: 26px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.step h3 { font-size: 17px; margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* 页脚 */
.site-footer { background: #10263d; color: #b9c8d6; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 34px; padding: 52px 0 34px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin: 7px 0; font-size: 14px; }
.site-footer a { color: #b9c8d6; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* 面包屑 */
.crumbs { font-size: 13.5px; color: var(--muted); padding: 14px 0; }
.crumbs a { color: var(--muted); }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
label { font-size: 14px; font-weight: 600; display: block; margin-bottom: 6px; }
input, select, textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; font-family: inherit; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(11,92,171,.25); border-color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--primary-dark); }

/* 下拉菜单 */
.nav-links li { position: relative; }
.nav-links .dropdown { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 10px 30px rgba(16,38,61,.12); padding: 10px 0; min-width: 220px; z-index: 200; list-style: none; }
.nav-links li:hover .dropdown { display: block; }
.nav-links .dropdown a { display: block; padding: 9px 20px; font-size: 14px; font-weight: 400; color: var(--ink); }
.nav-links .dropdown a:hover { background: var(--bg-soft); color: var(--primary); }

/* 悬浮联系条 */
.float-contact { position: fixed; right: 18px; bottom: 90px; z-index: 300; display: flex; flex-direction: column; gap: 10px; }
.float-contact a { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 700; box-shadow: 0 6px 18px rgba(11,92,171,.35); text-align: center; line-height: 1.2; }
.float-contact a:hover { background: var(--primary-dark); text-decoration: none; }
.float-contact a.wc { background: #12b76a; }
.float-contact a.top { background: #5a6b7d; font-size: 18px; }

/* Logo 墙 */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.logo-wall span { display: flex; align-items: center; justify-content: center; height: 74px; background: #fff; border: 1px solid var(--line); border-radius: 8px; font-weight: 700; color: #9fb0c0; font-size: 17px; letter-spacing: 2px; transition: color .2s, border-color .2s; }
.logo-wall span:hover { color: var(--primary); border-color: var(--primary); }

/* 通用表格 */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; background: #fff; font-size: 14.5px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top; }
.tbl th { background: var(--bg-soft); font-weight: 600; white-space: nowrap; }
.tbl td .std { color: var(--primary); font-weight: 600; }

/* 标签/徽章 */
.tag { display: inline-block; background: #e8f1fb; color: var(--primary); border-radius: 999px; padding: 3px 12px; font-size: 13px; margin: 0 6px 8px 0; }
.tag.t2 { background: #e6f7f7; color: #00857a; }

/* 报价区间卡 */
.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.quote-card h3 { margin-bottom: 6px; }
.quote-card .price { font-size: 22px; font-weight: 800; color: var(--primary); }
.quote-card .price small { font-size: 13px; color: var(--muted); font-weight: 400; }
.quote-card p { color: var(--muted); font-size: 14px; margin-top: 6px; }

/* 验真结果框 */
.verify-result { margin-top: 18px; border-radius: 8px; padding: 18px 22px; font-size: 15px; display: none; }
.verify-result.ok { display: block; background: #ecfdf3; border: 1px solid #12b76a; color: #087443; }
.verify-result.err { display: block; background: #fff4f4; border: 1px solid #e5484d; color: #a93236; }

/* 页脚 CTA 条 */
.pre-footer { background: linear-gradient(120deg, var(--primary-dark), var(--accent)); color: #fff; padding: 46px 0; }
.pre-footer .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.pre-footer h2 { font-size: 24px; }
.pre-footer p { color: #d8ecfa; margin-top: 4px; }

/* 知识库 tab */
.kb-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.kb-tabs a { padding: 9px 22px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 14.5px; font-weight: 500; }
.kb-tabs a.on, .kb-tabs a:hover { background: var(--primary); border-color: var(--primary); color: #fff; text-decoration: none; }

/* 文章体 */
.prose h2 { font-size: 22px; margin: 30px 0 12px; }
.prose h3 { font-size: 17px; margin: 22px 0 8px; }
.prose p, .prose li { color: #33465a; font-size: 15.5px; }
.prose ul, .prose ol { margin: 8px 0 8px 22px; }

@media (max-width: 560px) {
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .float-contact { right: 12px; bottom: 70px; }
}

/* ===== v2 设计系统扩充 ===== */
:root {
  --grad-hero: linear-gradient(135deg, #073763 0%, #0b5cab 45%, #0a86c5 75%, #00a3a3 120%);
  --grad-soft: linear-gradient(180deg, #f7fafd 0%, #eef4fa 100%);
  --shadow-card: 0 4px 20px rgba(16,38,61,.06);
  --shadow-card-hover: 0 14px 34px rgba(11,92,171,.14);
}
.section { padding: 76px 0; }
.card { box-shadow: var(--shadow-card); }
.card:hover { box-shadow: var(--shadow-card-hover); }

/* 渐变横幅区（增值服务/CTA） */
.banner-grad { background: var(--grad-hero); color: #fff; border-radius: 16px; padding: 46px 44px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.banner-grad h2 { font-size: 26px; margin-bottom: 6px; }
.banner-grad p { color: #d5e8f7; }

/* 时间轴（横向流程） */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: tl; position: relative; }
.timeline::before { content: ""; position: absolute; top: 22px; left: 10%; right: 10%; height: 2px; background: var(--line); }
.tl-item { position: relative; text-align: center; padding: 0 12px; }
.tl-item::before { counter-increment: tl; content: counter(tl); position: relative; z-index: 1; display: flex; width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%; background: var(--primary); color: #fff; align-items: center; justify-content: center; font-weight: 700; box-shadow: 0 0 0 6px #fff; }
.tl-item h3 { font-size: 15.5px; margin-bottom: 6px; }
.tl-item p { font-size: 13.5px; color: var(--muted); }

/* 评价墙 */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.quote-card .stars { color: #f5a623; letter-spacing: 2px; margin-bottom: 10px; }
.quote-card p { color: #33465a; font-size: 15px; margin-bottom: 14px; }
.quote-card .who { font-size: 13.5px; color: var(--muted); }
.quote-card .who b { color: var(--ink); display: block; font-size: 14.5px; }

/* 团队卡 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.team-card .avatar { width: 76px; height: 76px; margin: 0 auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 700; }
.team-card h3 { font-size: 17px; }
.team-card .role { color: var(--accent); font-size: 13.5px; margin: 4px 0 10px; }
.team-card p { color: var(--muted); font-size: 13.5px; }

/* 文章卡 */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s, transform .2s; display: flex; flex-direction: column; }
.post-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.post-card .cover { height: 140px; background: linear-gradient(135deg, #dceafb, #d5f1f0); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 30px; font-weight: 800; letter-spacing: 1px; }
.post-card .body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.post-card .meta { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.post-card h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 8px; }
.post-card p { color: var(--muted); font-size: 14px; flex: 1; }
.post-card .more { margin-top: 12px; font-size: 14px; font-weight: 600; }

/* 数字步骤带（复用timeline两行式） */
.tl-wide { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
.tl-wide::before { display: none; }

/* 首页迷你FAQ */
.mini-faq { max-width: 860px; margin: 0 auto; }

/* 双列图文 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.split .visual { background: var(--grad-soft); border: 1px solid var(--line); border-radius: 16px; min-height: 260px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 700; font-size: 15px; text-align: center; padding: 30px; }
.check-list { list-style: none; margin: 14px 0; }
.check-list li { padding: 7px 0 7px 30px; position: relative; color: #33465a; font-size: 15px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 7px; width: 20px; height: 20px; border-radius: 50%; background: #e6f7f1; color: #0d9668; font-size: 13px; display: flex; align-items: center; justify-content: center; font-weight: 700; }

/* 面包屑chips化 */
.crumbs { padding: 18px 0 4px; }

/* 徽标行 */
.cred-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cred-row span { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 22px; font-size: 14px; font-weight: 600; color: #33465a; }

@media (max-width: 900px) {
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .timeline::before { display: none; }
  .quotes, .post-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .quotes, .post-grid, .team-grid { grid-template-columns: 1fr; }
  .tl-wide { grid-template-columns: 1fr; }
}

/* 页面页头 */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 40px 0; }
.page-hero h1 { font-size: 30px; }
.page-hero p { color: var(--muted); margin-top: 8px; max-width: 720px; }
.page-hero .kicker-en { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
.page-hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.page-hero-actions .btn { padding: 12px 24px; }
.phone-pill { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 22px; font-weight: 600; color: var(--ink); font-size: 15px; }
.phone-pill:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* ===== v3 借鉴升级：下拉分组 / 筛选标签 / 资源卡 / 案例卡 ===== */

/* 下拉菜单分组标题 */
.nav-links .dropdown .dd-label { padding: 10px 20px 4px; font-size: 12.5px; color: #9fb0c0; letter-spacing: 1px; cursor: default; }
.nav-links .dropdown .dd-label:hover { background: none; color: #9fb0c0; }
.nav-links .dropdown .dd-item b { display: block; font-size: 14px; font-weight: 600; }
.nav-links .dropdown .dd-item small { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.nav-links .has-drop > a::after { content: " ▾"; font-size: 11px; color: var(--muted); }

/* 可点击筛选标签（资讯/案例/资源通用） */
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-tabs button { padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 14.5px; font-weight: 500; cursor: pointer; font-family: inherit; transition: all .15s; }
.filter-tabs button .cnt { font-size: 12px; color: var(--muted); margin-left: 4px; }
.filter-tabs button.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.filter-tabs button.on .cnt { color: rgba(255,255,255,.75); }
.filter-tabs button:hover:not(.on) { border-color: var(--primary); color: var(--primary); }
.filter-item.hide { display: none; }

/* 资源下载卡 */
.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.res-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.res-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.res-card .res-icon { width: 52px; height: 52px; border-radius: 12px; background: #e8f1fb; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 14px; }
.res-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: 6px; }
.res-card .desc { color: var(--muted); font-size: 13.5px; flex: 1; }
.res-card .res-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 12.5px; color: #9fb0c0; }
.res-card .dl { font-size: 13.5px; font-weight: 600; color: var(--primary); cursor: pointer; }
.res-card .dl:hover { text-decoration: underline; }

/* 案例卡（封面图+字段+标签） */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.case-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.case-card .cover { height: 120px; background: var(--grad-hero); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.9); font-size: 34px; font-weight: 800; letter-spacing: 2px; }
.case-card .cover.c2 { background: linear-gradient(135deg, #0a4d6e, #0a86c5); }
.case-card .cover.c3 { background: linear-gradient(135deg, #0d5f4c, #12b76a); }
.case-card .cover.c4 { background: linear-gradient(135deg, #5b3d8f, #8b5cf6); }
.case-card .body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.case-card h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 4px; }
.case-card .sub { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.case-card .field { display: flex; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line); font-size: 13.5px; }
.case-card .field b { flex-shrink: 0; color: var(--ink); font-weight: 600; width: 64px; }
.case-card .field span { color: var(--muted); }
.case-card .tags { margin-top: auto; padding-top: 14px; }
.case-card .tag { font-size: 12px; padding: 3px 10px; }

@media (max-width: 900px) {
  .res-grid, .case-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .res-grid, .case-grid { grid-template-columns: 1fr; }
}

/* ===== v4 自助报价计算器 + 竖排工具条 ===== */

/* 悬浮工具条（参考竖排五键设计） */
.side-toolbar { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); z-index: 300; display: flex; flex-direction: column; gap: 10px; }
.side-toolbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 64px; min-height: 64px; padding: 8px 4px; border-radius: 14px; background: #fff; border: 1px solid var(--line); box-shadow: 0 6px 18px rgba(16,38,61,.12); color: var(--ink); font-size: 12px; font-weight: 600; text-align: center; line-height: 1.3; transition: transform .15s, box-shadow .15s; }
.side-toolbar a:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11,92,171,.22); text-decoration: none; }
.side-toolbar a .ic { font-size: 20px; line-height: 1; }
.side-toolbar a.lead-btn { background: #14264a; border-color: #14264a; color: #fff; }
.side-toolbar a.wc-btn { background: #f2fbf6; border-color: #cdeeda; }
.side-toolbar a.top-btn { background: #f6f1e7; border-color: #ecdfc8; }
.side-toolbar a[href^="tel:"] { font-size: 10.5px; letter-spacing: -.3px; line-height: 1.25; }

/* ===== v5 在线咨询气泡/聊天面板 + 微信弹窗 ===== */

/* 右下角气泡 */
.chat-bubble { position: fixed; right: 22px; bottom: 26px; z-index: 320; display: flex; align-items: center; gap: 8px; background: #14264a; color: #fff; border-radius: 999px; padding: 13px 22px; font-size: 15px; font-weight: 600; box-shadow: 0 10px 28px rgba(16,38,61,.4); cursor: pointer; border: none; font-family: inherit; transition: transform .15s; }
.chat-bubble:hover { transform: translateY(-2px); }
.chat-bubble .dot { position: absolute; top: -3px; right: -3px; width: 14px; height: 14px; border-radius: 50%; background: #e5484d; border: 2.5px solid #fff; }
.chat-bubble.hide, .chat-panel.hide, .modal-mask.hide { display: none; }

/* 聊天面板 */
.chat-panel { position: fixed; right: 22px; bottom: 96px; z-index: 330; width: 372px; max-width: calc(100vw - 32px); background: #fff; border-radius: 16px; box-shadow: 0 24px 60px rgba(16,38,61,.3); overflow: hidden; }
.chat-head { background: linear-gradient(120deg, #14264a, #1d3a6b); color: #fff; padding: 18px 20px; display: flex; align-items: center; gap: 12px; position: relative; }
.chat-head .avatar { width: 44px; height: 44px; border-radius: 50%; background: #fff; color: #14264a; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.chat-head b { font-size: 15.5px; display: block; }
.chat-head .st { font-size: 12.5px; color: #9fe0b5; }
.chat-head .st::before { content: "● "; font-size: 10px; }
.chat-x { position: absolute; right: 14px; top: 14px; background: none; border: none; color: rgba(255,255,255,.75); font-size: 18px; cursor: pointer; }
.chat-x:hover { color: #fff; }
.chat-msgs { padding: 18px; max-height: 46vh; overflow-y: auto; }
.msg { background: var(--bg-soft); border-radius: 12px; padding: 12px 15px; font-size: 14px; color: #33465a; line-height: 1.65; margin-bottom: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 2px 18px 12px; }
.chip { background: #faf7f2; border: 1px solid #eee5d6; border-radius: 999px; padding: 8px 14px; font-size: 13px; color: var(--ink); cursor: pointer; font-family: inherit; }
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chat-qr { margin: 6px 18px 14px; background: #faf7f2; border: 1px solid #eee5d6; border-radius: 12px; padding: 16px; text-align: center; }
.chat-qr .qr-ph { width: 128px; height: 128px; margin: 0 auto 10px; }
.chat-qr p { font-size: 13px; color: var(--ink); margin: 0; }
.chat-qr .pc-link { display: inline-block; margin-top: 8px; font-size: 13.5px; font-weight: 600; }
.chat-cta { display: block; margin: 4px 18px 10px; background: #14264a; color: #fff; text-align: center; padding: 14px; border-radius: 10px; font-size: 15px; font-weight: 600; }
.chat-cta:hover { background: #0d1a33; text-decoration: none; }
.chat-tel { display: block; text-align: center; font-size: 13.5px; color: var(--ink); padding-bottom: 6px; }
.chat-foot { text-align: center; font-size: 12.5px; color: #9aa8b5; padding: 8px 0 14px; border-top: 1px solid var(--line); margin: 4px 18px 0; }
.chat-foot span { cursor: pointer; }
.chat-foot span:hover { color: var(--muted); }

/* 二维码占位 */
.qr-ph { background: #fff; border: 1.5px solid #e3e9f0; border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #9fb0c0; font-size: 11px; text-align: center; line-height: 1.4; }
.qr-ph::before { content: ""; width: 54px; height: 54px; background:
  conic-gradient(#14264a 25%, transparent 0 50%, #14264a 0 75%, transparent 0);
  border-radius: 6px; opacity: .85; }

/* 微信弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(16,38,61,.45); z-index: 400; display: flex; align-items: center; justify-content: center; padding: 20px; }
.wx-modal { background: #fff; border-radius: 18px; max-width: 780px; width: 100%; max-height: 92vh; overflow-y: auto; padding: 34px 36px 28px; position: relative; }
.wx-modal .mx { position: absolute; right: 20px; top: 20px; background: none; border: none; font-size: 20px; color: #9aa8b5; cursor: pointer; }
.wx-modal .mx:hover { color: var(--ink); }
.wx-modal h3 { font-size: 23px; margin-bottom: 8px; }
.wx-modal .sub { color: var(--muted); font-size: 14.5px; margin-bottom: 24px; }
.wx-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.wx-card { background: #faf7f2; border: 1px solid #eee5d6; border-radius: 14px; padding: 22px 20px; text-align: center; }
.wx-card .qr-ph { width: 150px; height: 150px; margin: 0 auto 14px; }
.wx-card b { display: block; font-size: 16px; margin-bottom: 6px; }
.wx-card p { color: var(--muted); font-size: 13px; margin: 0; }
.wx-alt { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.wx-btn-tel { display: block; width: 100%; box-sizing: border-box; background: #14264a; color: #fff; text-align: center; padding: 15px; border-radius: 10px; font-size: 15.5px; font-weight: 600; margin-bottom: 12px; }
.wx-btn-tel:hover { background: #0d1a33; text-decoration: none; }
.wx-btn-mail { display: block; width: 100%; box-sizing: border-box; background: #fff; border: 1px solid var(--line); color: var(--ink); text-align: center; padding: 14px; border-radius: 10px; font-size: 15px; }
.wx-btn-mail:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

@media (max-width: 560px) {
  .chat-panel { right: 16px; bottom: 86px; }
  .wx-cards { grid-template-columns: 1fr; }
  .chat-bubble { right: 16px; bottom: 18px; padding: 12px 18px; }
}

/* 报价计算器 */
.quote-tool { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-card); padding: 34px 34px 28px; }
.quote-tool .qt-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.quote-tool .qt-badge { font-size: 13.5px; color: var(--primary); font-weight: 600; }
.quote-tool h2 { font-size: 26px; margin-bottom: 8px; }
.quote-tool .qt-sub { color: var(--muted); font-size: 14.5px; margin-bottom: 24px; }
.qt-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.qt-mode { text-align: left; padding: 18px 20px; border-radius: 12px; border: 1.5px solid var(--line); background: #faf7f2; cursor: pointer; font-family: inherit; transition: all .15s; }
.qt-mode b { display: block; font-size: 16px; margin-bottom: 3px; color: var(--ink); }
.qt-mode small { color: var(--muted); font-size: 13px; }
.qt-mode.on { border-color: var(--ink); background: #fff; box-shadow: 0 4px 14px rgba(16,38,61,.08); }
.qt-body { display: grid; grid-template-columns: 1.25fr 1fr; gap: 26px; align-items: start; }
.qt-left .qt-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.qt-left .qt-row label { margin: 0; font-size: 13.5px; color: var(--muted); }
.qt-left select { width: auto; min-width: 150px; padding: 10px 12px; }
.qt-cats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.qt-cats button { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 14px; cursor: pointer; font-family: inherit; color: var(--ink); }
.qt-cats button .cnt { color: var(--muted); font-size: 12.5px; margin-left: 3px; }
.qt-cats button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.qt-cats button.on .cnt { color: rgba(255,255,255,.7); }
.qt-list { max-height: 430px; overflow-y: auto; border: 1px solid var(--line); border-radius: 12px; }
.qt-group-head { position: sticky; top: 0; background: var(--bg-soft); padding: 10px 18px; font-size: 13.5px; font-weight: 700; color: var(--ink); display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); }
.qt-group-head .cnt { color: var(--muted); font-weight: 400; }
.qt-item { display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-bottom: 1px solid #eef2f6; cursor: pointer; transition: background .12s; }
.qt-item:hover { background: #f8fbfe; }
.qt-item:last-child { border-bottom: none; }
.qt-item input { width: 17px; height: 17px; accent-color: var(--primary); flex-shrink: 0; }
.qt-item .t { flex: 1; }
.qt-item .t b { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.qt-item .t small { color: var(--muted); font-size: 12.5px; }
.qt-item .p { font-size: 14.5px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.qt-item .p.free { color: #0d9668; }
.qt-item.sel { background: #eef5fd; }
.qt-note { color: #9fb0c0; font-size: 12.5px; margin-top: 10px; }
/* 右侧结果面板 */
.qt-result { position: sticky; top: 90px; background: #faf7f2; border: 1px solid #f0e9dc; border-radius: 14px; padding: 24px; }
.qt-result .lbl { font-size: 13.5px; color: var(--muted); margin-bottom: 6px; }
.qt-result .amount { font-size: 38px; font-weight: 800; color: var(--ink); line-height: 1.15; }
.qt-result .amount small { font-size: 20px; font-weight: 700; }
.qt-result .hint { color: var(--muted); font-size: 13.5px; margin: 8px 0 18px; }
.qt-result .btn { display: block; text-align: center; width: 100%; box-sizing: border-box; }
.qt-result .btn-dark { background: var(--ink); color: #fff; padding: 14px 20px; border-radius: 10px; font-size: 15.5px; margin-bottom: 12px; }
.qt-result .btn-dark:hover { background: #0d1a33; text-decoration: none; }
.qt-result .btn-tel { background: #fff; border: 1px solid var(--line); color: var(--ink); padding: 12px 20px; border-radius: 10px; font-size: 14.5px; }
.qt-result .btn-tel:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.qt-result .disclaimer { color: #9aa8b5; font-size: 12.5px; line-height: 1.7; margin-top: 16px; }
/* 快速估算模式 */
.qt-quick .q-field { margin-bottom: 16px; }
.qt-quick .q-field > label { font-size: 13.5px; color: var(--muted); margin-bottom: 8px; }
.qt-quick select, .qt-quick input[type="text"] { padding: 12px 14px; font-size: 15px; }
.q-radios { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.q-radios label { display: flex; align-items: center; gap: 8px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; font-weight: 500; cursor: pointer; margin: 0; color: var(--ink); }
.q-radios input { width: auto; accent-color: var(--primary); }
.q-radios label:has(input:checked) { border-color: var(--primary); background: #eef5fd; }

@media (max-width: 900px) {
  .qt-body { grid-template-columns: 1fr; }
  .qt-result { position: static; }
  .qt-modes { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .quote-tool { padding: 24px 18px; }
  .side-toolbar { right: 8px; gap: 8px; }
  .side-toolbar a { width: 54px; min-height: 54px; font-size: 11px; }
}

/* 响应式 */
@media (max-width: 1180px) {
  /* 导航项较多，中窄屏一律收进汉堡菜单，避免挤压换行 */
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; padding: 16px 20px 22px; gap: 14px; max-height: calc(100vh - 68px); overflow-y: auto; }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  /* v13：移动端隐藏电话/CTA按钮，CTA 保留在汉堡菜单内 */
  .nav-actions { display: none !important; }
  .m-cta { display: block; }
  /* 移动端下拉：改为静态缩进展开 */
  .nav-links .dropdown { display: block; position: static; transform: none; box-shadow: none; border: none; border-left: 2px solid var(--line); border-radius: 0; padding: 2px 0 2px 14px; margin: -4px 0 0; min-width: 0; }
  .nav-links li:hover .dropdown { display: block; }
  .hero h1 { font-size: 28px; }
}
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .tb-left, .topbar .tb-tel2, .topbar .tb-mail { display: none; }
  .topbar .container { justify-content: center; }
}

/* ===== v6 认证研习社（社区问答） ===== */

/* 社区子导航条 */
.aca-subnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 68px; z-index: 90; }
.aca-subnav .container { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.aca-subnav .brand-mini { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 17px; color: var(--ink); padding: 12px 0; white-space: nowrap; }
.aca-subnav .brand-mini .aca-logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #f5a623, #f7c154); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.aca-subnav .brand-mini small { font-size: 11px; color: #9fb0c0; font-weight: 500; margin-left: 4px; }
.aca-tabs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.aca-tabs a { padding: 14px 12px; font-size: 14.5px; color: var(--ink); font-weight: 500; border-bottom: 2.5px solid transparent; white-space: nowrap; }
.aca-tabs a:hover, .aca-tabs a.on { color: var(--ink); text-decoration: none; border-bottom-color: var(--ink); }
.aca-search { display: flex; gap: 8px; }
.aca-search input { width: 210px; padding: 9px 13px; font-size: 13.5px; background: var(--bg-soft); border: 1px solid var(--line); }
.aca-search button { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px; padding: 0 16px; cursor: pointer; font-size: 13.5px; color: var(--muted); }
.aca-ask-btn { background: #14264a; color: #fff; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 14.5px; white-space: nowrap; }
.aca-ask-btn:hover { background: #0d1a33; text-decoration: none; }

/* 领域筛选药丸 */
.aca-pills { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 10px 0; }
.aca-pills .container { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.aca-pills .p-lbl { font-size: 13px; color: #9fb0c0; margin-right: 4px; }
.aca-pills button { padding: 6px 16px; border-radius: 999px; border: 1px solid transparent; background: transparent; font-size: 13.5px; color: var(--muted); cursor: pointer; font-family: inherit; }
.aca-pills button.on { background: var(--ink); color: #fff; }
.aca-pills button:hover:not(.on) { border-color: var(--line); background: #fff; color: var(--ink); }

/* 本周精选 */
.aca-picks { background: var(--bg-soft); padding: 26px 0 30px; }
.aca-picks h2 { font-size: 16px; margin-bottom: 14px; color: var(--ink); }
.aca-picks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 48px; }
.aca-picks a { display: flex; gap: 10px; padding: 7px 0; font-size: 14.5px; color: var(--ink); border-bottom: 1px dashed var(--line); }
.aca-picks a:last-child { border-bottom: none; }
.aca-picks .no { color: #f5a623; font-weight: 700; font-style: italic; flex-shrink: 0; }
.aca-picks a:hover { color: var(--primary); text-decoration: none; }
.aca-picks a:hover .q { color: var(--primary); }

/* 三栏主体 */
.aca-grid { display: grid; grid-template-columns: 190px 1fr 282px; gap: 26px; align-items: start; }
.aca-main-head { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 6px; flex-wrap: wrap; gap: 8px; }
.aca-main-head h2 { font-size: 21px; }
.aca-main-head .sub { font-size: 13px; color: #9fb0c0; }
.aca-views { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 4px; }
.aca-views button { padding: 5px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; color: var(--muted); cursor: pointer; font-family: inherit; }
.aca-views button.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 问答条目 */
.qa-item { display: flex; gap: 18px; padding: 22px 4px; border-bottom: 1px solid var(--line); }
.qa-item .ans { flex-shrink: 0; width: 44px; text-align: center; color: #9fb0c0; }
.qa-item .ans b { display: block; font-size: 17px; color: var(--ink); }
.qa-item .ans.solved b { color: #0d9668; }
.qa-item .ans small { font-size: 12px; }
.qa-item h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.qa-item h3 a { color: var(--ink); }
.qa-item h3 a:hover { color: var(--primary); text-decoration: none; }
.qa-item .ex { color: var(--muted); font-size: 14px; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qa-item .meta { font-size: 12.5px; color: #9fb0c0; margin-bottom: 10px; }
.qa-item .meta b { color: var(--muted); font-weight: 600; }
.qa-item .tag { font-size: 12px; padding: 2px 10px; margin: 0 6px 4px 0; background: var(--bg-soft); color: var(--muted); }
.pager { display: flex; gap: 8px; justify-content: center; padding: 30px 0 6px; }
.pager a, .pager span { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--muted); padding: 0 12px; }
.pager .cur { background: var(--ink); border-color: var(--ink); color: #fff; }
.pager a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* 左右栏卡片 */
.aca-side-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 20px; }
.aca-side-card h4 { font-size: 14.5px; margin-bottom: 12px; }
.side-nav { list-style: none; }
.side-nav li { margin: 2px 0; }
.side-nav a { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--ink); }
.side-nav a:hover { background: var(--bg-soft); text-decoration: none; }
.side-nav a.on { background: var(--ink); color: #fff; }
.side-nav a .cnt { font-size: 12px; color: #9fb0c0; }
.side-nav a.on .cnt { color: rgba(255,255,255,.7); }
.side-nav .sep { border-top: 1px dashed var(--line); margin: 8px 0; }
.aca-ask-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 18px; margin-bottom: 20px; }
.aca-ask-card .btn-dark-full { display: block; background: #14264a; color: #fff; text-align: center; padding: 13px; border-radius: 10px; font-weight: 700; font-size: 15px; margin-bottom: 14px; }
.aca-ask-card .btn-dark-full:hover { background: #0d1a33; text-decoration: none; }
.aca-ask-card p { font-size: 13px; color: var(--muted); margin: 4px 0; }
.aca-ask-card .tip { border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px; font-size: 12.5px; color: #9fb0c0; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { display: inline-block; border: 1px solid var(--line); border-radius: 8px; padding: 4px 12px; font-size: 13px; color: var(--muted); }
.tag-cloud a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.expert-list { list-style: none; }
.expert-list li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 14px; white-space: nowrap; }
.expert-list .av { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.expert-list .badge { background: #e8f1fb; color: var(--primary); border-radius: 6px; font-size: 11.5px; padding: 2px 8px; margin-left: auto; }

/* 社区公约卡 */
.aca-pact { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 20px; }
.aca-pact h4 { font-size: 14.5px; margin-bottom: 10px; }
.aca-pact li { font-size: 13px; color: var(--muted); margin: 6px 0 6px 18px; }
.aca-pact a { font-size: 13px; }

/* 问答详情 */
.qa-detail-wrap { display: grid; grid-template-columns: 1fr 282px; gap: 30px; align-items: start; }
.qa-head h1 { font-size: 25px; line-height: 1.45; margin: 10px 0 16px; }
.qa-head .meta { font-size: 13px; color: #9fb0c0; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.qa-body { color: #33465a; font-size: 15.5px; line-height: 1.85; }
.qa-body p { margin-bottom: 14px; }
.qa-body ul { margin: 8px 0 14px 22px; }
.answer-card { border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; margin-top: 22px; }
.answer-card.accepted { border-color: #b5e3c8; background: #f4fcf7; }
.answer-card .a-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 13.5px; color: var(--muted); }
.answer-card .a-head .av { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.answer-card .a-head b { color: var(--ink); }
.answer-card .a-badge { background: #0d9668; color: #fff; border-radius: 6px; font-size: 11.5px; padding: 2px 8px; }
.answer-card .a-badge.gray { background: var(--bg-soft); color: var(--muted); }
.answer-card .a-foot { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 13px; color: #9fb0c0; display: flex; gap: 18px; }
.answer-card .a-foot span { cursor: pointer; }
.answer-card .a-foot span:hover { color: var(--primary); }
.reply-box { margin-top: 26px; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; background: #fff; }
.reply-box h3 { font-size: 16px; margin-bottom: 12px; }
.reply-box textarea { min-height: 120px; resize: vertical; }
.reply-box .btn-primary { margin-top: 12px; padding: 11px 30px; }
.reply-note { font-size: 12.5px; color: #9fb0c0; margin-top: 10px; }
.rel-list { list-style: none; }
.rel-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.rel-list li:last-child { border-bottom: none; }
.rel-list a { color: var(--ink); }
.rel-list a:hover { color: var(--primary); }
.rel-list .rc { color: #0d9668; font-size: 12.5px; }

/* 提问页 */
.ask-wrap { display: grid; grid-template-columns: 1fr 282px; gap: 30px; align-items: start; }
.ask-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 30px 32px; }
.ask-card h2 { font-size: 22px; margin-bottom: 6px; }
.ask-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.ask-card .field { margin-bottom: 18px; }
.ask-card .field label b { color: #e5484d; }
.ask-card .hint { font-size: 12.5px; color: #9fb0c0; margin-top: 6px; }
.form-tip { display: none; background: #ecfdf3; border: 1px solid #12b76a; color: #087443; border-radius: 8px; padding: 12px 16px; font-size: 14px; margin-top: 14px; }

/* 深色社区页脚 */
.aca-footer { background: #14264a; color: #9db1cc; margin-top: 50px; }
.aca-footer .container { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; padding: 46px 0 30px; }
.aca-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.aca-footer ul { list-style: none; }
.aca-footer li { margin: 7px 0; font-size: 13.5px; }
.aca-footer a { color: #9db1cc; }
.aca-footer a:hover { color: #fff; }
.aca-footer .fbot { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; font-size: 12.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 1180px) {
  .aca-subnav { top: 0; }
  .aca-search input { width: 150px; }
}
@media (max-width: 1024px) {
  .aca-grid { grid-template-columns: 1fr; }
  .aca-side { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .aca-side-card, .aca-ask-card, .aca-pact { margin-bottom: 0; }
  .aca-views { display: none; }
}
@media (max-width: 760px) {
  .aca-side { grid-template-columns: 1fr; }
  .aca-picks-grid { grid-template-columns: 1fr; }
  .aca-tabs { display: none; }
  .qa-detail-wrap, .ask-wrap { grid-template-columns: 1fr; }
  .aca-footer .container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .aca-search { display: none; }
  .aca-footer .container { grid-template-columns: 1fr; }
}

/* ===== v7 首页重构（参考TMC）+ 图片页头 + 独立论坛 ===== */

/* 顶栏研习社胶囊按钮 */
.tb-pill { display: inline-flex; align-items: center; gap: 6px; background: #fff; color: var(--ink) !important; border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; font-size: 12.5px; font-weight: 600; }
.tb-pill:hover { border-color: #f5a623; color: #b26a00 !important; text-decoration: none; }

/* 新版 Hero：左文右卡 */
.hero-v2 { background: linear-gradient(100deg, rgba(248,251,254,.96) 0%, rgba(240,247,252,.9) 45%, rgba(236,244,252,.72) 100%), url("img/hero-bg.jpg") right center/cover no-repeat; padding: 64px 0 0; }
.hero-v2 .container { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: start; }
.hero-badge2 { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; font-size: 13.5px; font-weight: 600; color: var(--ink); box-shadow: var(--shadow-card); }
.hero-badge2 .dot2 { width: 8px; height: 8px; border-radius: 50%; background: #f5a623; }
.hero-v2 h1 { font-size: 40px; line-height: 1.32; color: #14264a; margin: 18px 0 14px; }
.hero-v2 h1 .hl { background: linear-gradient(transparent 62%, #ffe9b8 62%); }
.hero-v2 .lead2 { color: #4a5c70; font-size: 16px; max-width: 560px; margin-bottom: 24px; }
.hero-v2 .lead2 b { color: var(--ink); }
.promise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.promise-card { background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow-card); }
.promise-card .p-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; color: var(--ink); margin-bottom: 4px; }
.promise-card .p-head .pi { width: 24px; height: 24px; border-radius: 7px; background: #14264a; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }
.promise-card small { color: var(--muted); font-size: 12.5px; line-height: 1.55; display: block; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-ctas .btn-dark { background: #14264a; color: #fff; padding: 14px 28px; border-radius: 10px; font-weight: 700; font-size: 15.5px; }
.hero-ctas .btn-dark:hover { background: #0d1a33; text-decoration: none; }
.hero-ctas .btn-w { background: #fff; border: 1px solid var(--line); color: var(--ink); padding: 13px 22px; border-radius: 10px; font-weight: 600; font-size: 14.5px; }
.hero-ctas .btn-w:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
/* Hero 内数据条 */
.hero-stats2 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; background: rgba(255,255,255,.65); backdrop-filter: blur(6px); border: 1px solid var(--line); border-bottom: none; border-radius: 16px 16px 0 0; padding: 20px 26px 18px; margin-top: 10px; }
.hero-stats2 .num2 { font-size: 26px; font-weight: 800; color: #14264a; }
.hero-stats2 .num2 small { font-size: 14px; font-weight: 700; }
.hero-stats2 .lbl2 { color: var(--muted); font-size: 12.5px; }
/* 右侧资质卡 */
.qual-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 18px 44px rgba(16,38,61,.14); padding: 24px 24px 20px; }
.qual-card .q-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.qual-card .q-head b { display: flex; align-items: center; gap: 8px; font-size: 17px; color: var(--ink); }
.qual-card .q-head .ok-badge { background: #e6f7f1; color: #0d9668; border-radius: 999px; font-size: 12px; padding: 3px 12px; font-weight: 600; }
.qual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.qual-item { background: #faf7f2; border: 1px solid #f0e9dc; border-radius: 12px; padding: 14px 16px; transition: transform .15s, box-shadow .15s; cursor: pointer; }
.qual-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(16,38,61,.1); }
.qual-item b { display: block; font-size: 16px; color: var(--ink); }
.qual-item small { color: var(--muted); font-size: 12px; display: block; margin-bottom: 8px; }
.qual-item span { color: #9fb0c0; font-size: 11.5px; }
.qual-more { display: block; text-align: center; border: 1px dashed var(--line); border-radius: 10px; padding: 10px; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.qual-more:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.qual-tel { display: flex; align-items: center; gap: 14px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.qual-tel .tel-ic { width: 44px; height: 44px; border-radius: 50%; background: #14264a; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.qual-tel b { display: block; font-size: 18px; color: var(--ink); }
.qual-tel small { color: var(--muted); font-size: 12px; }

/* 首页工具卡行 */
.tool-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tool-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 26px; display: flex; align-items: center; gap: 18px; box-shadow: var(--shadow-card); transition: transform .15s, box-shadow .15s; }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); text-decoration: none; }
.tool-card .t-ic { width: 52px; height: 52px; border-radius: 14px; background: #14264a; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.tool-card .t-ic.orange { background: linear-gradient(135deg, #f5a623, #f7c154); }
.tool-card .t-body { flex: 1; }
.tool-card .t-body b { display: block; font-size: 16.5px; color: var(--ink); margin-bottom: 4px; }
.tool-card .t-body small { color: var(--muted); font-size: 13px; line-height: 1.6; display: block; }
.tool-card .t-arrow { color: var(--primary); font-weight: 700; font-size: 14px; white-space: nowrap; }
.tool-card .t-badge { background: #fff1d6; color: #b26a00; border-radius: 6px; font-size: 11px; padding: 1px 6px; font-weight: 700; margin-left: 6px; }

/* 图片页头（内页美化通用） */
.page-hero.img-hero { background-size: cover; background-position: center; color: #fff; min-height: 450px; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px 0 48px; }
/* hero 内面包屑 */
.img-hero .crumbs { padding: 0 0 16px; color: rgba(255,255,255,.78); }
.img-hero .crumbs a { color: rgba(255,255,255,.78); }
.img-hero .crumbs a:hover { color: #fff; }
.page-hero:not(.img-hero) .crumbs { padding: 0 0 12px; }
@media (max-width: 640px) { .page-hero.img-hero { min-height: 340px; padding-bottom: 40px; } }
.page-hero.img-hero h1 { color: #fff; }
.page-hero.img-hero p { color: rgba(255,255,255,.88); }
.page-hero.img-hero .kicker-en { color: #ffd08a; }
.page-hero.img-hero .crumbslight { color: rgba(255,255,255,.75); }
.page-hero.img-hero .phone-pill { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); color: #fff; }
.page-hero.img-hero .phone-pill:hover { border-color: #fff; color: #fff; }
.img-cover { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-card-hover); }
.img-cover img { width: 100%; display: block; }
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.photo-grid figure { margin: 0; }
.photo-grid img { width: 100%; border-radius: 14px; display: block; box-shadow: var(--shadow-card); }
.photo-grid figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; text-align: center; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero-v2 .container { grid-template-columns: 1fr; }
  .tool-row { grid-template-columns: 1fr; }
}
/* v9: 论坛紧凑单行页头（对照截图） */
.aca-subnav.solo .f-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.f-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.f-ask { background: var(--ink); color: #fff; padding: 11px 20px; border-radius: 9px; font-weight: 700; font-size: 14px; white-space: nowrap; }
.f-ask:hover { background: #0d1a33; text-decoration: none; }
.f-site { border: 1px solid var(--line); border-radius: 9px; padding: 10px 16px; font-size: 13.5px; color: var(--muted); white-space: nowrap; }
.f-site:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.f-auth { display: flex; gap: 16px; margin-left: 6px; }
.f-auth a { color: var(--muted); font-size: 14px; white-space: nowrap; }
.f-auth a:hover { color: var(--ink); }
.aca-subnav.solo .f-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
@media (max-width: 900px) {
  .f-actions { margin-left: 0; width: 100%; }
  .aca-search { flex: 1; min-width: 200px; }
  .f-auth { display: none; }
}
@media (max-width: 560px) {
  .hero-v2 h1 { font-size: 28px; }
  .promise-grid, .qual-grid, .photo-grid { grid-template-columns: 1fr; }
  .hero-stats2 { grid-template-columns: repeat(2, 1fr); row-gap: 16px; }
}

/* ===== v8 独立论坛子站 ===== */

/* 论坛顶条 */
.fstrip { background: #14264a; color: #9db1cc; font-size: 13px; }
.fstrip .container { display: flex; justify-content: space-between; align-items: center; padding: 8px 20px; flex-wrap: wrap; gap: 8px; }
.fstrip a { color: #fff; font-weight: 600; }
.fstrip .f-user a { margin-left: 16px; font-weight: 400; color: #9db1cc; }
.fstrip .f-user a:hover { color: #fff; }

/* 论坛主头（独立站模式） */
.aca-subnav.solo { position: sticky; top: 0; }
.aca-subnav.solo .brand-mini { font-size: 19px; padding: 14px 0; }
.aca-subnav.solo .brand-mini .aca-logo { width: 36px; height: 36px; font-size: 18px; border-radius: 10px; }
.aca-subnav.solo .f-login { background: none; border: 1px solid var(--line); border-radius: 8px; padding: 9px 18px; font-size: 13.5px; color: var(--muted); white-space: nowrap; }
.aca-subnav.solo .f-login:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* 论坛横幅 */
.forum-banner { border-radius: 18px; overflow: hidden; position: relative; margin-top: 24px; box-shadow: var(--shadow-card-hover); }
.forum-banner img { width: 100%; display: block; height: 240px; object-fit: cover; }
.forum-banner .fb-cap { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,38,74,.82) 0%, rgba(20,38,74,.35) 60%, transparent 100%); display: flex; flex-direction: column; justify-content: center; padding: 0 44px; }
.forum-banner .fb-cap h1 { color: #fff; font-size: 30px; margin-bottom: 8px; }
.forum-banner .fb-cap p { color: rgba(255,255,255,.85); font-size: 14.5px; max-width: 460px; }

/* 版块网格 */
.board-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 40px; }
.board-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; display: flex; gap: 14px; align-items: flex-start; transition: transform .15s, box-shadow .15s; }
.board-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); text-decoration: none; }
.board-card .b-ic { width: 46px; height: 46px; border-radius: 12px; background: #e8f1fb; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.board-card b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.board-card small { color: var(--muted); font-size: 13px; display: block; line-height: 1.6; }
.board-card .b-cnt { margin-left: auto; text-align: right; flex-shrink: 0; }
.board-card .b-cnt em { font-style: normal; font-size: 17px; font-weight: 800; color: var(--primary); display: block; }
.board-card .b-cnt i { font-style: normal; font-size: 11.5px; color: #9fb0c0; }
.board-card .b-cnt .today { color: #b26a00; font-size: 11.5px; }

@media (max-width: 1024px) {
  .board-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .board-grid { grid-template-columns: 1fr; }
  .forum-banner .fb-cap { padding: 0 24px; }
  .forum-banner .fb-cap h1 { font-size: 22px; }
}

/* ===== v10 真实信息：二维码 / 公司信息卡 / 备案号 ===== */
.qr-img { display: block; width: 128px; height: 128px; margin: 0 auto 10px; padding: 6px; background: #fff; border: 1.5px solid #e3e9f0; border-radius: 10px; object-fit: contain; }
.wx-card .qr-img { width: 150px; height: 150px; margin-bottom: 14px; }
.qr-fallback { width: 148px; margin: 2px auto 12px; padding: 14px 8px; background: #fff; border: 1.5px dashed #cfd9e4; border-radius: 10px; color: var(--muted); font-size: 12.5px; line-height: 1.6; text-align: center; }
.site-footer a.icp, .footer-bottom a.icp { color: inherit; }
.site-footer a.icp:hover, .footer-bottom a.icp:hover { color: #fff; text-decoration: underline; }
.topbar .tb-tel a { color: var(--primary); font-weight: 600; }
.topbar .tb-tel i { font-style: normal; opacity: .85; }
.fact-box { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 26px; margin: 26px 0 8px; padding: 22px 24px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; }
.fact-box > div { font-size: 14px; }
.fact-box small { display: block; color: var(--muted); font-size: 12px; letter-spacing: .4px; margin-bottom: 2px; }
.fact-box b { font-weight: 600; }
@media (max-width: 900px) { .fact-box { grid-template-columns: 1fr; gap: 12px; } }
@media (max-width: 560px) { .topbar { font-size: 12px; } .topbar .tb-left, .topbar .tb-tel2, .topbar .tb-mail { display: none; } .topbar .container { justify-content: center; } }

/* ===== v11 办证指南干货模块：两列卡 / 卡片小标 / FAQ 折叠 ===== */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card .kicker { color: var(--accent); font-weight: 700; font-size: 12.5px; letter-spacing: 1.4px; text-transform: uppercase; }
.card .kicker + h3 { margin-top: 6px; }
.card h3 + p + p { margin-top: 10px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 20px; transition: border-color .18s, box-shadow .18s; }
.faq-item[open] { border-color: rgba(192,57,43,.32); box-shadow: 0 8px 24px rgba(16,38,61,.06); }
.faq-item summary { cursor: pointer; list-style: none; padding: 16px 30px 16px 0; font-weight: 600; font-size: 15.5px; color: var(--ink); position: relative; line-height: 1.5; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: 400; color: var(--accent); line-height: 1; }
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { color: var(--accent); }
.faq-a { padding: 0 0 18px; color: var(--muted); font-size: 14.5px; line-height: 1.85; border-top: 1px dashed var(--line); padding-top: 14px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .faq-item { padding: 0 16px; } .faq-item summary { font-size: 14.5px; } }

/* ===== v11b 证书样张展示 ===== */
.cert-row { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
.cert-figure { display: block; max-width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; text-align: center; transition: box-shadow .18s, transform .18s; }
.cert-figure:hover { box-shadow: 0 14px 34px rgba(16,38,61,.14); transform: translateY(-2px); }
.cert-figure img { display: block; max-width: 100%; height: auto; margin: 0 auto; border-radius: 6px; }
.cert-figure .cap { display: block; margin-top: 10px; color: var(--muted); font-size: 12.5px; }
.cert-figure.vert { max-width: 440px; }
.cert-figure.wide { max-width: 860px; }

/* ===== v12 主题配色（5 套，可切换） ===== */
html[data-theme="teal"] { --primary: #0f766e; --primary-dark: #115e59; --accent: #0369a1; }
html[data-theme="crimson"] { --primary: #b42318; --primary-dark: #8f1d14; --accent: #0b5cab; }
html[data-theme="ink"] { --primary: #24344d; --primary-dark: #14213a; --accent: #b8860b; }
html[data-theme="forest"] { --primary: #15803d; --primary-dark: #14532d; --accent: #0e7490; }

/* 语言切换（v16：位于顶栏，下拉式） */
.topbar { position: relative; z-index: 150; }
.site-tools { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.lang-wrap { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 4px; background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 3px 8px; font-size: 12.5px; font-family: inherit; color: var(--muted); cursor: pointer; line-height: 1.5; white-space: nowrap; transition: color .15s; }
.lang-btn:hover { color: var(--primary); border-color: var(--line); background: #fff; }
.lang-btn .globe { font-size: 13px; line-height: 1; }
.lang-btn .lang-txt { font-weight: 600; color: var(--ink); }
.lang-btn:hover .lang-txt { color: var(--primary); }
.lang-btn .caret { font-size: 9px; opacity: .65; }
.lang-menu { position: absolute; left: 50%; transform: translateX(-50%); top: calc(100% + 10px); min-width: 200px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 16px 36px rgba(16,38,61,.16); padding: 6px; list-style: none; display: none; z-index: 500; }
.lang-wrap.open .lang-menu { display: block; }
.lang-menu .lm-head { font-size: 11.5px; color: var(--muted); padding: 6px 10px 7px; border-bottom: 1px solid var(--line); margin-bottom: 5px; letter-spacing: .4px; white-space: nowrap; }
.lang-menu a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px; font-size: 13.5px; border-radius: 6px; color: var(--ink); }
.lang-menu a:hover, .lang-menu a.on { background: var(--bg-soft); color: var(--primary); text-decoration: none; }
.lang-menu a .code { color: var(--muted); font-size: 10.5px; letter-spacing: .6px; text-transform: uppercase; }
.lang-menu a.on .code { color: var(--primary); }

/* 配色切换（v16：顶栏小按钮 + 下拉色板） */
.theme-wrap { position: relative; }
.theme-btn { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border: 1px solid transparent; border-radius: 6px; background: transparent; cursor: pointer; font-size: 14px; line-height: 1; padding: 0; transition: transform .15s; }
.theme-btn:hover { border-color: var(--line); background: #fff; transform: rotate(12deg); }
.theme-pop { position: absolute; right: -8px; top: calc(100% + 10px); background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 16px 36px rgba(16,38,61,.16); padding: 12px; display: none; z-index: 500; width: 208px; }
.theme-wrap.open .theme-pop { display: block; }
.theme-pop .tp-label { font-size: 11.5px; color: var(--muted); margin-bottom: 9px; letter-spacing: .3px; }
.theme-swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.theme-swatches button { width: 100%; aspect-ratio: 1; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; position: relative; transition: transform .15s; }
.theme-swatches button:hover { transform: scale(1.1); }
.theme-swatches button.on { border-color: var(--ink); }
.theme-swatches button span { position: absolute; inset: 4px; border-radius: 50%; }
.theme-note { font-size: 11px; color: var(--muted); margin-top: 10px; line-height: 1.5; }

/* 移动端适配：顶栏工具 ≤768 隐藏（语言切换在汉堡菜单内） */
@media (max-width: 768px) {
  .topbar .site-tools { display: none; }
}
@media (max-width: 560px) {
  .brand .logo-img { height: 36px; }
  .brand { gap: 7px; font-size: 17px; }
  .menu-btn { padding: 7px 10px; font-size: 16px; }
}

/* 语言提示条（切到非中文时显示） */
.lang-note-bar { background: var(--bg-soft); border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.lang-note-bar .container { display: flex; align-items: center; gap: 10px; padding: 8px 0; flex-wrap: wrap; }
.lang-note-bar b { color: var(--ink); font-weight: 600; }

/* v12 移动端：语言切换进汉堡菜单 */
.lang-in-menu { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 0 2px; border-top: 1px solid var(--line); }
.lang-in-menu .lim-label { font-size: 13px; color: var(--muted); width: 100%; }
.lang-in-menu a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: 13.5px; color: var(--ink); }
.lang-in-menu a.on { border-color: var(--primary); color: var(--primary); background: var(--bg-soft); }
.lang-in-menu a:hover { text-decoration: none; }

/* ===== v13 页头改版（参考 tmc-lab）：浅色资质条 + 电话/深色CTA ===== */
.tb-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.tb-right { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.tb-badges { display: inline-flex; align-items: center; gap: 15px; color: var(--ink); font-weight: 500; white-space: nowrap; }
.tb-badges i { font-style: normal; color: var(--primary); font-weight: 700; margin-right: 3px; }
.tb-mail { color: var(--muted); white-space: nowrap; }
.tb-mail:hover { color: var(--primary); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; order: 3; }
.nav-tel { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 8px 11px; font-size: 13.5px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.nav-tel:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.nav-tel .ic { font-size: 13px; }
.nav-cta .arr { font-weight: 400; }
.m-cta { display: none; }
@media (max-width: 1360px) {
  .tb-badges { gap: 11px; }
  .nav-tel { padding: 8px 10px; font-size: 13.5px; }
  .nav-tel .ic { display: none; }
}
@media (max-width: 1020px) {
  .topbar .tb-mail { display: none; }
  .tb-pill { flex-shrink: 0; }
}
@media (max-width: 900px) {
  .topbar .tb-tel2 { display: none; }
}
@media (max-width: 640px) {
  .topbar .tb-badges { display: none; }
}
/* v13：页头容器加宽（对齐 tmc-lab 宽页头风格，正文区不变） */
.topbar .container, .site-header .container { max-width: 1280px; }

/* ===== v14 流程费用 / 办证指南 深化页组件 ===== */
/* 纵向阶段时间轴 */
.phase-list { margin-top: 6px; }
.phase { position: relative; padding: 0 0 26px 42px; border-left: 2px solid var(--line); margin-left: 13px; }
.phase:last-child { border-left-color: transparent; padding-bottom: 0; }
.phase::before { content: attr(data-n); position: absolute; left: -14px; top: -1px; width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 0 4px #fff; }
.phase h3 { font-size: 17px; margin: 0 0 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.phase .dur { display: inline-block; background: #e8f1fb; color: var(--primary); border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.phase > p { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.phase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 18px; }
.phase-grid > div { font-size: 13.5px; color: #33465a; }
.phase-grid small { display: block; color: #93a3b3; font-size: 11.5px; letter-spacing: .5px; margin-bottom: 2px; }

/* 账单卡 */
.bill { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; box-shadow: var(--shadow-card); }
.bill h3 { font-size: 16px; margin-bottom: 2px; }
.bill .bl-sub { font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.bill .bl-row { display: flex; justify-content: space-between; gap: 14px; font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.bill .bl-row span:last-child { white-space: nowrap; font-weight: 600; }
.bill .bl-total { display: flex; justify-content: space-between; gap: 14px; border-top: 2px solid var(--ink); margin-top: 8px; padding-top: 10px; font-weight: 700; font-size: 14.5px; }
.bill .bl-note { color: var(--muted); font-size: 12.5px; margin-top: 10px; line-height: 1.6; }
.bill .bl-tag { display: inline-block; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-size: 11.5px; color: var(--muted); margin: 0 4px 4px 0; }

/* 加价陷阱 */
.trap { display: flex; gap: 12px; background: #fff7f5; border: 1px solid #f5d6cf; border-left: 4px solid #c0392b; border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
.trap b { color: #b42318; white-space: nowrap; }
.trap span { font-size: 14px; color: #4a5a6a; }

/* 三步自查（交互） */
.dc { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.dc-q { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin-bottom: 12px; }
.dc-q h3 { font-size: 15px; margin-bottom: 2px; }
.dc-q p { font-size: 13px; color: var(--muted); }
.dc-opts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.dc-opts button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 7px 15px; font-size: 13.5px; cursor: pointer; font-family: inherit; color: var(--ink); transition: all .15s; }
.dc-opts button:hover { border-color: var(--primary); color: var(--primary); }
.dc-opts button.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.dc-result { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; position: sticky; top: 84px; }
.dc-result .dr-lbl { font-size: 12px; letter-spacing: 1.4px; color: var(--muted); text-transform: uppercase; }
.dc-result h3 { font-size: 18px; margin: 6px 0 10px; color: var(--primary); }
.dc-result ul { list-style: none; }
.dc-result li { font-size: 14px; padding: 6px 0 6px 24px; position: relative; color: #33465a; }
.dc-result li::before { content: "→"; position: absolute; left: 0; color: var(--primary); }
.dc-result .dr-note { font-size: 12.5px; color: var(--muted); margin-top: 12px; line-height: 1.6; }

/* 清单三列 / 术语表 */
.term-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; }
.term-grid div { border-bottom: 1px dashed var(--line); padding: 11px 0; font-size: 14px; }
.term-grid b { color: var(--ink); }
.term-grid span { color: var(--muted); display: block; font-size: 13px; margin-top: 2px; }

@media (max-width: 900px) {
  .phase-grid { grid-template-columns: 1fr; gap: 8px; }
  .dc { grid-template-columns: 1fr; }
  .dc-result { position: static; }
  .term-grid { grid-template-columns: 1fr; }
}

/* ===== v17 首页板块（参考 tmc-lab 版式） ===== */
/* PROOF：证书编号滚动条 + 证书样张网格 */
.cert-ticker { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 18px; display: flex; align-items: center; gap: 16px; margin: 22px 0 26px; }
.ct-label { white-space: nowrap; font-size: 13px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.ct-label::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.ct-viewport { overflow: hidden; flex: 1; min-width: 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.ct-track { display: flex; gap: 10px; width: max-content; animation: ctmove 36s linear infinite; }
.cert-ticker:hover .ct-track { animation-play-state: paused; }
.ct-track span { white-space: nowrap; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 12.5px; color: #4a5a6a; }
.ct-track span b { color: var(--primary); font-weight: 600; }
@keyframes ctmove { to { transform: translateX(-50%); } }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 4px; }
.cert-thumb { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 14px 14px; text-align: center; transition: box-shadow .18s, transform .18s; }
.cert-thumb:hover { box-shadow: 0 14px 34px rgba(16,38,61,.13); transform: translateY(-3px); }
.cert-thumb img { height: 200px; width: auto; max-width: 100%; object-fit: contain; margin: 0 auto; display: block; border-radius: 4px; }
.cert-thumb small { display: block; margin-top: 10px; color: var(--muted); font-size: 12.5px; }
.cert-thumb b { display: block; font-size: 14px; margin-top: 2px; }
.proof-check { background: var(--ink); color: #fff; border-radius: 14px; padding: 20px 20px 16px; display: flex; flex-direction: column; }
.proof-check h3 { font-size: 15.5px; margin-bottom: 10px; }
.proof-check p { font-size: 12.5px; color: #b9c6d8; line-height: 1.7; }
.proof-check ul { list-style: none; margin-top: auto; }
.proof-check li { font-size: 12.5px; padding: 8px 0; border-top: 1px dashed rgba(255,255,255,.18); }
.proof-check li b { display: block; font-size: 13px; }
.proof-check li span { color: #8fa3bd; }
.proof-check li a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* 行业覆盖 chips */
.ind-strip { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px 34px; text-align: center; }
.ind-strip h3 { font-size: 19px; margin-bottom: 4px; }
.ind-strip .is-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.ind-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.ind-chips span { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 8px 18px; font-size: 13.5px; color: #33465a; }
.ind-strip .is-note { margin-top: 16px; font-size: 12px; color: #98a6b5; }

/* 按产品找方案：图片卡 */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-card); display: block; text-decoration: none !important; transition: box-shadow .18s, transform .18s; }
.prod-card:hover { box-shadow: 0 18px 40px rgba(16,38,61,.15); transform: translateY(-3px); }
.pc-img { position: relative; height: 168px; background-size: cover; background-position: center; }
.pc-tag { position: absolute; top: 12px; right: 12px; background: var(--primary); color: #fff; border-radius: 999px; padding: 4px 11px; font-size: 11.5px; font-weight: 600; }
.pc-tag.alt { background: rgba(20,38,74,.88); }
.pc-ic { position: absolute; bottom: -21px; left: 16px; width: 44px; height: 44px; border-radius: 12px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: 0 6px 16px rgba(16,38,61,.25); }
.pc-body { padding: 30px 18px 16px; }
.pc-body h3 { font-size: 16.5px; margin: 0 0 2px; color: var(--ink); }
.pc-en { font-size: 10.5px; letter-spacing: 1.4px; color: var(--muted); text-transform: uppercase; display: block; margin-bottom: 8px; }
.pc-sub { font-size: 13px; color: var(--muted); line-height: 1.6; }
.pc-link { display: inline-block; margin-top: 10px; color: var(--primary); font-size: 13.5px; font-weight: 600; }

/* BEYOND 三卡 */
.by-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; margin-top: 8px; }
.by-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 24px 20px; position: relative; }
.by-card.core { border: 1.5px solid var(--primary); box-shadow: 0 12px 32px rgba(11,92,171,.10); }
.core-badge { position: absolute; top: -13px; left: 22px; background: var(--primary); color: #fff; border-radius: 999px; padding: 4px 13px; font-size: 12px; font-weight: 600; }
.by-num { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.by-card h3 { font-size: 19px; margin: 8px 0 8px; }
.by-card > p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.by-card ul { list-style: none; margin-top: 12px; }
.by-card ul li { font-size: 13.5px; padding: 6px 0 6px 18px; position: relative; color: #33465a; }
.by-card ul li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.by-card ul li a { color: var(--primary); font-weight: 600; }
.by-emph { display: flex; gap: 12px; align-items: flex-start; border-left: 3px solid var(--primary); background: #fff; padding: 14px 20px; border-radius: 0 10px 10px 0; margin-top: 24px; font-size: 14px; color: #33465a; }
.by-emph b { color: var(--ink); }
.by-emph .em-ic { color: var(--primary); font-size: 18px; line-height: 1.3; }

/* 政策雷达卡 */
.policy-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 36px 40px; box-shadow: var(--shadow-card); }
.policy-tag { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--primary); color: var(--primary); border-radius: 999px; padding: 5px 14px; font-size: 12.5px; font-weight: 600; }
.policy-card h2 { font-size: 22px; margin: 14px 0 10px; }
.policy-card .pol-p { font-size: 14px; color: var(--muted); line-height: 1.8; max-width: 860px; }
.pol-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 24px 0 20px; }
.pol-timeline > div { border-left: 3px solid var(--primary); padding-left: 14px; }
.pol-timeline b { font-size: 14.5px; display: block; margin-bottom: 3px; }
.pol-timeline small { font-size: 13px; color: var(--muted); line-height: 1.6; display: block; }
.pol-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 22px; }
.pol-chips span { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 12.5px; color: #4a5a6a; }

/* 案例 */
.case-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 22px; }
.case-tabs a { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 18px; font-size: 13.5px; color: var(--ink); text-decoration: none !important; }
.case-tabs a.on, .case-tabs a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; text-decoration: none !important; display: block; transition: box-shadow .18s, transform .18s; }
.case-card:hover { box-shadow: 0 14px 34px rgba(16,38,61,.14); transform: translateY(-3px); }
.cc-img { position: relative; height: 148px; background-size: cover; background-position: center; }
.cc-tag { position: absolute; top: 10px; left: 10px; background: rgba(20,38,74,.88); color: #fff; border-radius: 7px; padding: 4px 10px; font-size: 11.5px; }
.cc-body { padding: 14px 16px 14px; }
.cc-body h3 { font-size: 14.5px; line-height: 1.5; margin: 0 0 8px; color: var(--ink); }
.cc-who { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.cc-metrics { display: flex; gap: 18px; border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px; }
.cc-metrics div b { color: var(--primary); font-size: 16px; display: block; }
.cc-metrics div small { font-size: 11.5px; color: var(--muted); }
.cc-more { display: block; margin-top: 10px; color: var(--primary); font-size: 12.5px; font-weight: 600; }

/* START NOW 留资 */
.sn { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: start; }
.sn-steps { margin: 22px 0 20px; }
.sn-step { display: flex; gap: 14px; padding: 0 0 16px; }
.sn-step .n { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: #fff; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 600; margin-top: 1px; }
.sn-step h4 { font-size: 15px; margin: 3px 0 2px; }
.sn-step p { font-size: 12.5px; color: var(--muted); }
.sn-call, .sn-quote { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.sn-call .ic, .sn-quote .ic { font-size: 20px; }
.sn-call small, .sn-quote small { display: block; font-size: 12px; color: var(--muted); }
.sn-call b { font-size: 17px; }
.sn-quote b { font-size: 14px; color: var(--primary); }
.sn-form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 26px 22px; box-shadow: var(--shadow-card); position: sticky; top: 88px; }
.sf-tabs { display: flex; background: var(--bg-soft); border-radius: 10px; padding: 4px; margin-bottom: 6px; }
.sf-tabs span { flex: 1; text-align: center; font-size: 13.5px; padding: 9px 4px; border-radius: 8px; color: var(--muted); }
.sf-tabs span.on { background: #fff; box-shadow: 0 2px 8px rgba(16,38,61,.10); font-weight: 600; color: var(--ink); }
.sn-form label { font-size: 13px; font-weight: 600; display: block; margin: 14px 0 6px; color: var(--ink); }
.sn-form .req { color: #c0392b; margin-left: 2px; }
.sn-form input, .sn-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 11px 13px; font-size: 14px; font-family: inherit; background: #fff; color: var(--ink); }
.sn-form input:focus, .sn-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,92,171,.10); }
.sn-form .sf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sf-submit { width: 100%; background: var(--primary); color: #fff; border: none; border-radius: 10px; padding: 14px; font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit; margin-top: 18px; transition: background .15s; }
.sf-submit:hover { background: var(--primary-dark); }
.sf-privacy { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }
.sn-form .full { grid-column: 1 / -1; }

/* KNOWLEDGE 列表行 */
.kb-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0 16px; }
.kb-tab { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; text-decoration: none !important; }
.kb-tab b { font-size: 15px; color: var(--ink); display: block; }
.kb-tab small { letter-spacing: 1.2px; font-size: 10px; color: var(--muted); text-transform: uppercase; }
.kb-tab .cnt { color: var(--primary); font-weight: 700; }
.kb-row { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin-bottom: 12px; text-decoration: none !important; transition: box-shadow .15s, transform .15s; }
.kb-row:hover { box-shadow: 0 10px 26px rgba(16,38,61,.10); transform: translateY(-2px); }
.kb-chip { background: var(--ink); color: #fff; border-radius: 7px; padding: 6px 11px; font-size: 12px; white-space: nowrap; flex-shrink: 0; }
.kb-meta { font-size: 12px; color: var(--muted); white-space: nowrap; flex-shrink: 0; }
.kb-body { min-width: 0; }
.kb-body h3 { font-size: 15.5px; margin: 2px 0 4px; color: var(--ink); }
.kb-body p { font-size: 13px; color: var(--muted); margin: 0; }
.kb-ask { margin-left: auto; white-space: nowrap; border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; font-size: 13px; color: var(--ink); flex-shrink: 0; }
.kb-row:hover .kb-ask { border-color: var(--primary); color: var(--primary); }
.kb-pack { background: var(--bg-soft); border: 1px dashed #c8d3de; border-radius: 14px; padding: 20px; display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; margin-top: 18px; font-size: 14.5px; color: var(--ink); }

/* FAQ 三卡 */
.faq3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fq { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; }
.fq .fq-tag { font-size: 12px; color: var(--primary); font-weight: 700; letter-spacing: .5px; }
.fq h3 { font-size: 16.5px; margin: 8px 0; }
.fq p { font-size: 13.5px; color: var(--muted); line-height: 1.75; flex: 1; }
.fq .fq-ask { color: var(--primary); font-size: 13.5px; font-weight: 600; margin-top: 14px; }

@media (max-width: 1080px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid, .by-grid { grid-template-columns: repeat(2, 1fr); }
  .kb-tabs { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .sn { grid-template-columns: 1fr; }
  .sn-form { position: static; }
  .pol-timeline { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 640px) {
  .prod-grid, .by-grid, .proof-grid, .case-grid, .faq3 { grid-template-columns: 1fr; }
  .kb-row { flex-wrap: wrap; }
  .kb-ask { margin-left: 0; }
  .policy-card { padding: 24px 20px; }
  .cert-ticker { flex-direction: column; align-items: stretch; }
  .cert-thumb img { height: 160px; }
}

/* ===== v18: 三大业务卡 / Why Us / 五步时间轴复用 / 客户评价 / 视频展示 ===== */
/* 三大业务卡 */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px 22px; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: transform .22s ease, box-shadow .22s ease; }
.svc-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--sc, var(--primary)); }
.svc-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(28,43,58,.10); }
.svc-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.svc-tag { font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.svc-ic { font-size: 26px; line-height: 1; }
.svc-card h3 { font-size: 19px; margin-bottom: 4px; }
.svc-en { font-size: 11.5px; color: #9aa7b4; letter-spacing: .4px; text-transform: uppercase; margin-bottom: 10px; }
.svc-sub { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.svc-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; }
.svc-meta b { font-size: 15px; display: block; color: var(--ink); }
.svc-meta small { font-size: 12px; color: var(--muted); }
.svc-card ul { list-style: none; flex: 1; margin-bottom: 16px; }
.svc-card li { font-size: 13.5px; color: var(--ink); padding: 6px 0 6px 22px; position: relative; border-top: 1px dashed var(--line); }
.svc-card li:first-child { border-top: 0; }
.svc-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--sc, var(--primary)); font-weight: 700; }
.svc-link { font-size: 14px; font-weight: 700; color: var(--sc, var(--primary)); }

/* Why Us */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.why-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; display: flex; gap: 16px; align-items: flex-start; transition: transform .2s ease, box-shadow .2s ease; }
.why-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(28,43,58,.08); }
.why-card .wy-ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: #e8f1fb; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.why-card h3 { font-size: 15.5px; margin-bottom: 5px; }
.why-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* 客户评价 */
.testi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.tst { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; position: relative; display: flex; flex-direction: column; }
.tst::before { content: "\201C"; position: absolute; top: 6px; right: 18px; font-size: 64px; line-height: 1; color: #e3ecf5; font-family: Georgia, serif; }
.tst-stars { color: #f5a623; font-size: 15px; letter-spacing: 2px; margin-bottom: 10px; }
.tst p { font-size: 14px; color: var(--ink); line-height: 1.85; flex: 1; }
.tst-who { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 10px; }
.tst-who b { font-size: 13.5px; }
.tst-who span { font-size: 12.5px; color: var(--muted); }

/* 视频展示 */
.vid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.vid-card { position: relative; border-radius: 14px; overflow: hidden; background: #16222e; display: flex; flex-direction: column; text-decoration: none; transition: transform .22s ease, box-shadow .22s ease; }
.vid-card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(22,34,46,.28); }
.vid-card:hover .vc-cover { transform: scale(1.05); }
.vid-card:hover .vc-play { background: var(--primary); transform: translate(-50%, -50%) scale(1.08); }
.vc-cover { height: 148px; background-size: cover; background-position: center; transition: transform .35s ease; position: relative; }
.vc-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22,34,46,.18) 0%, rgba(22,34,46,.55) 100%); }
.vc-play { position: absolute; z-index: 2; top: 62px; left: 50%; transform: translate(-50%, -50%); width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--ink); display: flex; align-items: center; justify-content: center; font-size: 15px; padding-left: 3px; box-shadow: 0 6px 18px rgba(0,0,0,.25); transition: .22s ease; }
.vc-dur { position: absolute; z-index: 2; top: 12px; right: 12px; background: rgba(0,0,0,.62); color: #fff; font-size: 11.5px; padding: 3px 9px; border-radius: 999px; letter-spacing: .5px; }
.vc-body { padding: 13px 15px 15px; }
.vc-body h3 { color: #fff; font-size: 14.5px; margin-bottom: 4px; }
.vc-body p { color: #aebbc8; font-size: 12.5px; line-height: 1.6; }
.vid-more { grid-column: 1 / -1; border: 1.5px dashed #c4d2df; border-radius: 14px; padding: 18px 26px; display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; text-align: left; background: #fff; }
.vid-more b { font-size: 15px; margin-bottom: 2px; }
.vid-more p { font-size: 12.5px; color: var(--muted); line-height: 1.7; margin: 0; max-width: 560px; }
.vid-more a { font-size: 13.5px; font-weight: 600; white-space: nowrap; }
.vid-more .vm-txt b { display: block; }

/* 视频弹层（预留：卡片 data-video 填入 mp4 后自动启用） */
.vid-modal { position: fixed; inset: 0; z-index: 900; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(10,18,26,.82); }
.vid-modal.hide { display: none; }
.vid-modal .vm-box { position: relative; width: min(920px, 94vw); background: #000; border-radius: 12px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.vid-modal video { width: 100%; display: block; max-height: 80vh; }
.vid-modal .vm-close { position: absolute; top: -40px; right: 0; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; line-height: 1; }
.vid-modal .vm-title { position: absolute; top: -40px; left: 0; color: #fff; font-size: 15px; }

@media (max-width: 1080px) {
  .vid-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: 1fr; }
  .why-grid, .testi-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .vid-grid { grid-template-columns: 1fr; }
  .why-card { padding: 16px; gap: 12px; }
}
@media (max-width: 560px) {
  .timeline { grid-template-columns: 1fr; row-gap: 24px; }
  .tl-item { padding: 0 6px; }
}

/* ===== v20: 客户墙（按产品线） + 8 条产品线卡片网格 ===== */
.client-wall { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 32px 26px; }
.cw-head { text-align: center; margin-bottom: 22px; }
.cw-kicker { display: inline-block; font-size: 11.5px; letter-spacing: 1.4px; font-weight: 700; color: var(--primary); background: #eaf2fb; border-radius: 999px; padding: 4px 12px; margin-bottom: 10px; }
.cw-head h3 { font-size: 21px; margin-bottom: 6px; }
.cw-head p { font-size: 13.5px; color: var(--muted); max-width: 720px; margin: 0 auto; line-height: 1.7; }
.cw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cw-item { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 14px 15px 12px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.cw-item:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(16,38,61,.09); border-color: #c9dbef; }
.cw-line { display: block; font-size: 12.5px; font-weight: 700; color: var(--primary); letter-spacing: .3px; margin-bottom: 9px; }
.cw-names { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.cw-names i { font-style: normal; background: #fff; border: 1px solid #dbe5ef; border-radius: 6px; padding: 4px 9px; font-size: 12.5px; color: var(--ink); font-weight: 600; white-space: nowrap; }
.cw-item small { display: block; font-size: 11.5px; color: #8a99a8; line-height: 1.6; }
.cw-note { margin-top: 16px; text-align: center; font-size: 12px; color: #98a6b5; line-height: 1.7; }

/* 8 张产品线卡：桌面 4 列（2 行） */
.prod-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.prod-grid .pc-img { height: 150px; }
.prod-grid .pc-body h3 { font-size: 15.5px; }
.prod-grid .pc-sub { font-size: 12.5px; line-height: 1.65; }

@media (max-width: 1080px) {
  .cw-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .client-wall { padding: 22px 18px 20px; }
  .cw-grid { grid-template-columns: 1fr; }
  .cw-head h3 { font-size: 18px; }
  .prod-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   v21 频道页（资讯 / 案例 / 下载 / 文章详情）
   结构：左内容 + 右侧栏 300px，窄屏侧栏下沉
   ============================================================ */
.ch-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
.ch-main { min-width: 0; }
.ch-side { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 88px; }

/* 频道段落标题：左侧竖条 + 右侧更多 */
.ch-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin: 34px 0 20px; }
.ch-head:first-child { margin-top: 0; }
.ch-head h2 { font-size: 19px; display: flex; align-items: center; gap: 9px; letter-spacing: -.2px; }
.ch-head h2::before { content: ""; width: 4px; height: 17px; border-radius: 2px; background: var(--primary); }
.ch-head .ch-sub { font-size: 12.5px; color: #9fb0c0; white-space: nowrap; }
.ch-head .ch-sub a { color: #9fb0c0; }
.ch-head .ch-sub a:hover { color: var(--primary); }

/* ---------- 资讯：头条区 ---------- */
.ch-lead { display: grid; grid-template-columns: 1.16fr .84fr; gap: 18px; margin-bottom: 6px; }
.nl-lead { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-height: 356px; border-radius: 14px; overflow: hidden; padding: 26px 28px; color: #fff; background: #10263d; }
.nl-lead .nl-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s ease; }
.nl-lead:hover .nl-bg { transform: scale(1.05); }
.nl-lead::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9,27,45,.05) 0%, rgba(9,27,45,.72) 58%, rgba(9,27,45,.95) 100%); }
.nl-lead > * { position: relative; z-index: 1; }
.nl-lead:hover { text-decoration: none; }
.nl-flag { display: inline-flex; align-items: center; background: #e5484d; color: #fff; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 4px; align-self: flex-start; margin-bottom: 12px; letter-spacing: .5px; }
.nl-lead h2 { font-size: 23px; line-height: 1.48; color: #fff; margin-bottom: 10px; }
.nl-lead p { font-size: 13.8px; color: #c9d9e7; line-height: 1.75; margin-bottom: 14px; }
.nl-meta { font-size: 12.5px; color: #97a9ba; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.nl-meta b { color: #cfdfee; font-weight: 600; }
.nl-brief { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.nb-item { display: block; flex: 1; padding: 17px 20px; border-bottom: 1px solid var(--line); }
.nb-item:last-child { border-bottom: none; }
.nb-item:hover { background: #f7fbff; text-decoration: none; }
.nb-k { font-size: 11.5px; color: var(--accent); font-weight: 700; letter-spacing: 1px; }
.nb-item h3 { font-size: 15px; line-height: 1.55; margin: 5px 0 5px; color: var(--ink); }
.nb-item:hover h3 { color: var(--primary); }
.nb-item p { font-size: 12.5px; color: var(--muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nb-item .nl-meta { margin-top: 7px; font-size: 12px; }

/* ---------- 资讯：列表行 ---------- */
.news-list { display: flex; flex-direction: column; }
.nr { display: grid; grid-template-columns: 184px minmax(0, 1fr); gap: 20px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.nr:first-child { padding-top: 0; }
.nr:hover { text-decoration: none; }
.nr-thumb { position: relative; height: 116px; border-radius: 10px; overflow: hidden; background: var(--bg-soft); }
.nr-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s; }
.nr:hover .nr-thumb img { transform: scale(1.06); }
.nr-thumb .nr-cat { position: absolute; left: 0; bottom: 0; background: rgba(16,38,61,.84); color: #fff; font-size: 11.5px; padding: 3px 9px; border-radius: 0 6px 0 0; }
.nr-body h3 { font-size: 16.5px; line-height: 1.55; margin-bottom: 6px; color: var(--ink); }
.nr:hover .nr-body h3 { color: var(--primary); }
.nr-body p { font-size: 13.5px; color: var(--muted); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nr-tags { margin-top: 9px; display: flex; gap: 7px; flex-wrap: wrap; align-items: center; font-size: 12px; color: #9fb0c0; }
.nr-tags .tg { background: var(--bg-soft); border-radius: 4px; padding: 2px 8px; color: var(--muted); }
.nr-tags .dt { margin-left: auto; }

/* ---------- 加载更多 ---------- */
.load-more { display: block; margin: 24px auto 0; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 11px 30px; font-size: 14px; color: var(--ink); cursor: pointer; font-family: inherit; font-weight: 600; }
.load-more:hover { border-color: var(--primary); color: var(--primary); }
.load-more.hide, .filter-item.hide, .is-extra, .dl-row.hide { display: none; }

/* ---------- 侧栏通用 ---------- */
.sd-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.sd-card h4 { font-size: 14.5px; margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sd-card h4 a { font-size: 12px; color: #9fb0c0; font-weight: 400; }
.sd-card h4 a:hover { color: var(--primary); }
.rank-list { list-style: none; counter-reset: rk; }
.rank-list li { counter-increment: rk; display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; line-height: 1.6; }
.rank-list li:last-child { border-bottom: none; padding-bottom: 0; }
.rank-list li::before { content: counter(rk); flex-shrink: 0; width: 19px; height: 19px; border-radius: 5px; background: var(--bg-soft); color: #9fb0c0; font-size: 11.5px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.rank-list li:nth-child(-n+3)::before { background: var(--primary); color: #fff; }
.rank-list a { color: var(--ink); }
.rank-list a:hover { color: var(--primary); text-decoration: none; }
.sd-nav { list-style: none; }
.sd-nav li { margin: 0; }
.sd-nav a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; font-size: 13.5px; color: var(--ink); border-bottom: 1px dashed var(--line); }
.sd-nav li:last-child a { border-bottom: none; }
.sd-nav a:hover { color: var(--primary); text-decoration: none; }
.sd-nav .cnt { font-size: 11.5px; color: #9fb0c0; }
.sd-cta { background: linear-gradient(150deg, #10263d, #1b4372); border-radius: 12px; padding: 22px 20px; color: #fff; }
.sd-cta h4 { color: #fff; font-size: 15.5px; margin-bottom: 8px; }
.sd-cta p { font-size: 13px; color: #bcd1e3; line-height: 1.75; margin-bottom: 14px; }
.sd-cta .sd-btn { display: block; text-align: center; background: #fff; color: #10263d; font-size: 14px; padding: 10px; border-radius: 8px; font-weight: 700; }
.sd-cta .sd-btn:hover { background: #e8f1fb; text-decoration: none; }
.sd-cta .sd-tel { display: block; text-align: center; font-size: 12.5px; color: #9fb8cf; margin-top: 10px; }
.sd-note { font-size: 12px; color: #9fb0c0; line-height: 1.75; margin-top: 10px; }

/* ---------- 专题卡 ---------- */
.topic-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tp { display: block; border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: linear-gradient(135deg, #f8fbfe, #eef5fd); transition: border-color .2s, transform .2s; }
.tp:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.tp b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 4px; }
.tp small { font-size: 12.5px; color: var(--muted); line-height: 1.65; display: block; }
.tp em { font-style: normal; font-size: 11.5px; color: var(--primary); font-weight: 700; display: block; margin-top: 8px; }

/* ---------- 栏目 SEO 文案区 ---------- */
.seo-block { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 26px; }
.seo-block h2 { font-size: 16px; margin-bottom: 10px; }
.seo-block h2 + p { margin-top: 0; }
.seo-block p { font-size: 13.5px; color: var(--muted); line-height: 1.95; margin-bottom: 9px; }
.seo-block a { color: var(--primary); }

/* ---------- 案例频道 ---------- */
.ch-stats { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 26px; }
.cs-i { padding: 20px 22px; border-right: 1px solid var(--line); }
.cs-i:last-child { border-right: none; }
.cs-i b { display: block; font-size: 26px; font-weight: 800; color: var(--primary); line-height: 1.25; letter-spacing: -.5px; }
.cs-i b small { font-size: 13px; font-weight: 600; margin-left: 2px; }
.cs-i span { font-size: 12.5px; color: var(--muted); }

.fgroups { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 22px; display: flex; flex-direction: column; gap: 10px; }
.fg { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.fg .fg-lbl { font-size: 12.5px; color: #9fb0c0; width: 62px; flex-shrink: 0; }
.fg button { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; color: var(--ink); cursor: pointer; font-family: inherit; transition: all .15s; }
.fg button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.fg button:hover:not(.on) { border-color: var(--primary); color: var(--primary); }

.case-feat { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 24px; }
.cf { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; display: flex; flex-direction: column; }
.cf .cf-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.cf .cf-flag { font-size: 11.5px; color: #fff; background: var(--primary); padding: 2px 9px; border-radius: 4px; letter-spacing: .5px; }
.cf .cf-line { font-size: 12px; color: #9fb0c0; }
.cf h3 { font-size: 17.5px; line-height: 1.5; margin-bottom: 8px; }
.cf p { font-size: 13.5px; color: var(--muted); line-height: 1.78; }
.cf-kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 15px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--line); }
.cf-kpi b { display: block; font-size: 18px; color: var(--ink); font-weight: 800; line-height: 1.3; }
.cf-kpi span { font-size: 11.5px; color: #9fb0c0; }
.case-card .cc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.case-card .cc-line { font-size: 11.5px; color: var(--primary); background: #e8f1fb; border-radius: 4px; padding: 2px 8px; }
.case-card .cc-svc { margin-top: 12px; font-size: 12.5px; font-weight: 600; }
.case-card .cc-svc a { color: var(--primary); }

.testi-strip { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.testi-strip blockquote { font-size: 13.8px; color: #33465a; line-height: 1.85; }
.testi-strip blockquote b { display: block; font-size: 12.5px; color: #9fb0c0; font-weight: 500; margin-top: 8px; }

/* 案例库双列：卡片信息量大，2 列更易读 */
.case-grid.case-2col { grid-template-columns: repeat(2, 1fr); }
.case-grid.case-2col .cover { height: 96px; font-size: 26px; }
.case-grid.case-2col .case-card .field b { width: 76px; }
@media (max-width: 900px) { .case-grid.case-2col { grid-template-columns: 1fr; } }

/* ---------- 下载中心 ---------- */
.dl-search { display: flex; gap: 10px; margin-bottom: 14px; }
.dl-search input { flex: 1; min-width: 0; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; font-size: 14.5px; font-family: inherit; background: #fff; color: var(--ink); }
.dl-search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,92,171,.08); }
.dl-search .dl-cnt { display: flex; align-items: center; font-size: 12.5px; color: #9fb0c0; white-space: nowrap; }
.dl-list { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.dl-row { display: grid; grid-template-columns: 42px minmax(0, 1fr) 148px 112px; gap: 16px; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.dl-row:last-child { border-bottom: none; }
.dl-row:hover { background: #f8fbfe; }
.dl-ic { width: 40px; height: 40px; border-radius: 9px; background: #e8f1fb; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.dl-main h3 { font-size: 14.8px; line-height: 1.5; margin-bottom: 3px; }
.dl-main h3 a { color: var(--ink); }
.dl-main h3 a:hover { color: var(--primary); }
.dl-main p { font-size: 12.5px; color: var(--muted); line-height: 1.68; }
.dl-hot { font-size: 10.5px; color: #e5484d; border: 1px solid #f6c9cb; border-radius: 4px; padding: 1px 6px; margin-left: 7px; vertical-align: 1px; white-space: nowrap; }
.dl-meta { font-size: 11.8px; color: #9fb0c0; line-height: 1.85; text-align: right; }
.dl-meta b { color: var(--muted); font-weight: 600; }
.dl-act { text-align: right; }
.dl-btn { display: inline-flex; align-items: center; gap: 5px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 13px; font-size: 12.8px; font-weight: 600; cursor: pointer; font-family: inherit; }
.dl-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.log-list { list-style: none; padding-left: 14px; border-left: 2px solid var(--line); margin-left: 3px; }
.log-list li { position: relative; padding: 0 0 15px 15px; }
.log-list li:last-child { padding-bottom: 0; }
.log-list li::before { content: ""; position: absolute; left: -23px; top: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.log-list time { display: block; font-size: 11.8px; color: #9fb0c0; }
.log-list b { font-size: 13.2px; font-weight: 600; color: var(--ink); }
.log-list span { font-size: 12.2px; color: var(--muted); }

/* ---------- 文章详情页 ---------- */
.art-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 286px; gap: 40px; align-items: start; }
.art-head h1 { font-size: 27px; line-height: 1.45; margin: 10px 0 12px; letter-spacing: -.3px; }
.art-kicker { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-size: 12.5px; color: #9fb0c0; }
.art-lead { font-size: 15.6px; color: #4a5d70; line-height: 1.92; border-left: 3px solid var(--line); padding-left: 15px; }
.art-kicker .ak-cat { background: #e8f1fb; color: var(--primary); border-radius: 4px; padding: 2px 9px; font-weight: 600; }
.art-body { color: #33465a; font-size: 15.4px; line-height: 1.95; }
.art-body h2 { font-size: 20px; margin: 32px 0 10px; padding-left: 11px; border-left: 3px solid var(--primary); line-height: 1.5; }
.art-body h3 { font-size: 16.5px; margin: 22px 0 8px; }
.art-body p { margin-bottom: 13px; }
.art-body ul, .art-body ol { margin: 8px 0 14px 22px; }
.art-body li { margin: 5px 0; }
.art-body strong { color: var(--ink); }
.art-body .tbl { margin: 14px 0 18px; }
.art-key { background: #f4f9fd; border: 1px solid #d9e8f4; border-left: 4px solid var(--primary); border-radius: 0 10px 10px 0; padding: 16px 22px; margin: 20px 0 8px; }
.art-key b { display: block; font-size: 12.5px; color: var(--primary); letter-spacing: 1.5px; margin-bottom: 8px; }
.art-key ul { margin: 0 0 0 18px; }
.art-key li { font-size: 13.8px; color: #33465a; line-height: 1.85; margin: 3px 0; }
.art-faq { margin-top: 34px; }
.art-faq h2 { font-size: 20px; margin-bottom: 6px; }
.art-q { border-bottom: 1px solid var(--line); padding: 14px 0; }
.art-q h3 { font-size: 15.5px; margin-bottom: 5px; }
.art-q h3::before { content: "Q "; color: var(--primary); font-weight: 800; }
.art-q p { font-size: 14px; color: var(--muted); line-height: 1.85; }
.art-src { background: var(--bg-soft); border-radius: 10px; padding: 15px 18px; font-size: 12.3px; color: var(--muted); line-height: 1.85; margin-top: 26px; }
.art-src b { color: var(--ink); }
.art-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.art-nav a { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 13px; color: var(--muted); }
.art-nav a b { display: block; font-size: 14px; color: var(--ink); font-weight: 600; margin-top: 3px; line-height: 1.5; }
.art-nav a:hover { border-color: var(--primary); text-decoration: none; }
.art-nav a:hover b { color: var(--primary); }
.art-nav .n-next { text-align: right; }
.art-cta { background: linear-gradient(140deg, #10263d, #1b4372); border-radius: 14px; padding: 24px 26px; color: #fff; margin-top: 26px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.art-cta b { font-size: 16.5px; display: block; margin-bottom: 4px; }
.art-cta span { font-size: 13px; color: #bcd1e3; }
.art-cta .btn { background: #fff; color: #10263d; padding: 11px 22px; font-size: 14px; font-weight: 700; white-space: nowrap; }
.toc { list-style: none; }
.toc a { display: block; padding: 6px 0 6px 12px; font-size: 13px; color: var(--muted); border-left: 2px solid var(--line); line-height: 1.6; }
.toc a:hover, .toc a.on { color: var(--primary); border-left-color: var(--primary); text-decoration: none; }

/* ---------- 频道页响应式 ---------- */
@media (max-width: 1080px) {
  .ch-wrap, .art-wrap { grid-template-columns: 1fr; gap: 30px; }
  .ch-side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
  .ch-lead { grid-template-columns: 1fr 1fr; }
  .nl-lead { min-height: 330px; }
}
@media (max-width: 900px) {
  .ch-stats { grid-template-columns: 1fr 1fr; }
  .cs-i:nth-child(2) { border-right: none; }
  .cs-i:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .case-feat { grid-template-columns: 1fr; }
  .topic-row { grid-template-columns: 1fr; }
  .ch-lead { grid-template-columns: 1fr; }
  .nl-brief { flex-direction: row; }
  .nb-item { border-bottom: none; border-right: 1px solid var(--line); }
  .nb-item:last-child { border-right: none; }
  .nb-item p { display: none; }
  .testi-strip { grid-template-columns: 1fr; }
  .dl-row { grid-template-columns: 42px minmax(0, 1fr) 112px; }
  .dl-meta { display: none; }
}
@media (max-width: 640px) {
  .ch-side { grid-template-columns: 1fr; }
  .nl-lead { min-height: 290px; padding: 20px 20px; }
  .nl-lead h2 { font-size: 19px; }
  .nl-brief { flex-direction: column; }
  .nb-item { border-right: none; border-bottom: 1px solid var(--line); }
  .nr { grid-template-columns: 1fr; gap: 0; padding: 16px 0; }
  .nr-thumb { height: 152px; margin-bottom: 11px; }
  .nr-body h3 { font-size: 16px; }
  .nr-tags .dt { margin-left: 0; }
  .dl-row { grid-template-columns: 36px minmax(0, 1fr); gap: 12px; padding: 14px 15px; }
  .dl-ic { width: 34px; height: 34px; font-size: 16px; border-radius: 8px; }
  .dl-act { grid-column: 1 / -1; text-align: left; padding-left: 48px; }
  .dl-btn { padding: 7px 12px; }
  .art-head h1 { font-size: 22px; }
  .art-nav { grid-template-columns: 1fr; }
  .art-body { font-size: 15px; }
  .art-cta { padding: 20px; }
}

/* ===================== v22 业务详情页（CCC/SRRC/进网许可） ===================== */
/* hero 下方关键信息条 */
.fact-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-top: -34px; position: relative; z-index: 3; box-shadow: 0 16px 40px rgba(16,38,61,.10); }
.fact-strip > div { background: #fff; padding: 18px 20px; }
.fact-strip small { display: block; font-size: 12px; color: var(--muted); letter-spacing: .4px; margin-bottom: 4px; }
.fact-strip b { font-size: 17px; font-weight: 700; color: var(--ink); display: block; line-height: 1.35; }
.fact-strip span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.5; }

/* 主栏 + 侧栏两栏 */
.svc-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 40px; align-items: start; }
.svc-sec { margin-bottom: 44px; scroll-margin-top: 86px; }
.svc-sec:last-child { margin-bottom: 0; }

/* 章节头：编号 + 标题 + 引导语 */
.svc-h { display: flex; align-items: baseline; gap: 14px; margin-bottom: 8px; }
.svc-h .no { font-size: 26px; font-weight: 800; color: var(--primary); opacity: .28; font-variant-numeric: tabular-nums; letter-spacing: -1px; }
.svc-h h2 { margin: 0; font-size: 24px; }
.svc-lead { color: var(--muted); font-size: 15px; margin: 0 0 18px; max-width: 860px; }

/* 图文双栏 */
.fig-split { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: center; margin: 6px 0 18px; }
.fig-split.rev .fig-img { order: 2; }
.fig-img { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(16,38,61,.10); }
.fig-img img { display: block; width: 100%; height: auto; }
.fig-img figcaption { font-size: 12px; color: var(--muted); padding: 9px 14px; background: var(--bg-soft); border-top: 1px solid var(--line); }
.fig-txt p { margin: 0 0 12px; }
.fig-txt .hl { background: linear-gradient(transparent 62%, rgba(46,124,214,.16) 0); font-weight: 600; }

/* 法规依据卡 */
.reg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.reg-card { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--primary); border-radius: 12px; padding: 16px 18px; }
.reg-card small { display: block; font-size: 12px; color: #9fb0c0; letter-spacing: .4px; margin-bottom: 5px; }
.reg-card b { display: block; font-size: 15px; margin-bottom: 6px; line-height: 1.45; }
.reg-card p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.7; }

/* 流程步骤增强：编号圆 + 耗时标签 */
.steps.flow-x { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 34px; }
.flow-x .step { margin-bottom: 20px; padding-left: 56px; }
.flow-x .step::before { width: 38px; height: 38px; font-size: 15px; }
.flow-x .step .st-t { display: inline-block; margin-left: 8px; font-size: 11.5px; font-weight: 600; color: var(--primary); background: rgba(46,124,214,.10); border-radius: 999px; padding: 2px 10px; vertical-align: 2px; }

/* 证书样张要素解读 */
.cert-spec { display: grid; grid-template-columns: minmax(280px, 420px) minmax(0, 1fr); gap: 34px; align-items: start; }
.cert-spec .cert-figure { margin: 0; }
.spec-list { list-style: none; counter-reset: sp; }
.spec-list li { position: relative; padding: 0 0 14px 44px; border-bottom: 1px dashed var(--line); margin-bottom: 14px; }
.spec-list li:last-child { border-bottom: none; margin-bottom: 0; }
.spec-list li::before { counter-increment: sp; content: counter(sp); position: absolute; left: 0; top: 1px; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-soft); border: 1px solid var(--line); color: var(--primary); font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.spec-list b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.spec-list p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.7; }

/* 侧栏目录 */
.svc-side { position: sticky; top: 84px; }
.svc-toc { list-style: none; border-left: 2px solid var(--line); margin-bottom: 18px; }
.svc-toc a { display: flex; align-items: baseline; gap: 9px; padding: 7px 0 7px 14px; margin-left: -2px; border-left: 2px solid transparent; font-size: 13px; color: var(--muted); line-height: 1.5; }
.svc-toc a:hover, .svc-toc a.on { color: var(--primary); border-left-color: var(--primary); text-decoration: none; }
.svc-toc .n { font-size: 11px; font-weight: 700; color: #9fb0c0; font-variant-numeric: tabular-nums; }
.svc-toc a.on .n { color: var(--primary); }

/* 章节尾相关推荐 */
.rel-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.rel-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; text-decoration: none !important; transition: box-shadow .15s, transform .15s; }
.rel-card:hover { box-shadow: 0 10px 26px rgba(16,38,61,.10); transform: translateY(-2px); }
.rel-card small { display: block; font-size: 11.5px; color: #9fb0c0; letter-spacing: .4px; margin-bottom: 5px; }
.rel-card b { display: block; font-size: 14px; line-height: 1.5; margin-bottom: 4px; color: var(--ink); }
.rel-card span { font-size: 12px; color: var(--primary); font-weight: 600; }

@media (max-width: 1080px) {
  .svc-wrap { grid-template-columns: 1fr; gap: 26px; }
  .svc-side { position: static; }
  .svc-toc { column-count: 2; column-gap: 30px; border-left: none; }
  .svc-toc a { border-left: none; padding-left: 0; }
  .svc-toc a.on { color: var(--primary); }
  .reg-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .fact-strip { grid-template-columns: repeat(2, 1fr); margin-top: -26px; }
  .fig-split, .fig-split.rev { grid-template-columns: 1fr; }
  .fig-split.rev .fig-img { order: 0; }
  .steps.flow-x { grid-template-columns: 1fr; }
  .cert-spec { grid-template-columns: 1fr; }
  .rel-row { grid-template-columns: 1fr; }
  .svc-h h2 { font-size: 20px; }
  .svc-h .no { font-size: 22px; }
}
@media (max-width: 480px) {
  .fact-strip { grid-template-columns: 1fr 1fr; }
  .svc-toc { column-count: 1; }
}

/* ===================== v23 交互体验美化 ===================== */
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

/* 导航当前页指示 */
.nav-links a { padding-bottom: 6px; }
.nav-links > li > a.active { color: var(--primary); position: relative; }
.nav-links > li > a.active::before { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2.5px; border-radius: 2px; background: var(--primary); }
.nav-links > li > a { transition: color .15s; }
.nav-links > li.has-drop > a.active::before { left: 0; right: 8px; }

/* 下拉菜单过渡动画 + 键盘可达 */
.nav-links .dropdown { display: block; opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: opacity .18s ease, transform .18s ease, visibility .18s; pointer-events: none; }
.nav-links li:hover .dropdown, .nav-links li:focus-within .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); pointer-events: auto; }
.nav-links .has-drop > a { cursor: pointer; }

/* 按钮统一反馈 */
.btn, .nav-cta, .sd-btn, .load-more, .filter-item { transition: background .18s, color .18s, border-color .18s, box-shadow .18s, transform .12s; }
.btn:active, .nav-cta:active, .sd-btn:active { transform: translateY(1px); }
.btn-primary:hover { box-shadow: 0 8px 20px rgba(46,124,214,.30); }
.nav-cta { box-shadow: 0 4px 12px rgba(16,38,61,.18); }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(46,124,214,.32); }

/* 侧边工具条悬浮反馈增强 */
.side-toolbar a { transition: transform .15s, box-shadow .15s, background .15s, color .15s; }
.side-toolbar a:hover { transform: translateX(-3px); }

/* 顶部按钮点击无跳转 */
.top-btn.top { cursor: pointer; }

@media (max-width: 980px) {
  /* 移动端展开菜单内下拉恢复静态显示 */
  .nav-links .dropdown { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
  .nav-links > li > a.active::before { bottom: -2px; }
}

/* 论坛首页标题条 */
.aca-pagehead { background: linear-gradient(150deg, #10263d, #1b4372); color: #fff; padding: 26px 0 24px; }
.aca-pagehead h1 { color: #fff; font-size: 24px; margin: 0 0 6px; }
.aca-pagehead p { color: #b9d0e6; font-size: 14px; margin: 0; }

/* 论坛发帖页标题（h2→h1 后保持视觉） */
.ask-card h1 { font-size: 22px; margin: 0 0 6px; }

/* ===================== v24 认证研习社频道化 ===================== */
/* 版块 tabs 过多：单行横向滚动 */
.f-tabs .aca-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.f-tabs .aca-tabs::-webkit-scrollbar { display: none; }
.aca-tabs a { flex-shrink: 0; }

/* 列表项：多一个问题也读得下去 */
.qa-item { transition: background .15s; border-radius: 10px; }
.qa-item:hover { background: #fafcfe; }
.qa-item .ans small { display: block; line-height: 1.3; }
.qa-item .meta + .tag, .qa-item .tag:first-of-type { margin-left: 0; }

/* 加载更多容器 */
.load-more-wrap { display: flex; justify-content: center; padding: 24px 0 6px; }

/* 待解答提示卡 */
.answer-card.open-note { border-color: #e6d3a8; background: #fffdf6; }
.answer-card.open-note .a-head .av { background: linear-gradient(135deg, #d9a13b, #f0c063); }

/* 帖子底部相关内容 */
.qa-rel { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.qa-rel h3 { font-size: 17px; margin-bottom: 14px; }
.qa-rel .rel-row { grid-template-columns: repeat(3, 1fr); }

/* 栏目说明（SEO/GEO 区） */
.forum-about { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 40px 0 44px; margin-top: 10px; }
.forum-about h2 { font-size: 20px; margin-bottom: 12px; }
.forum-about p { color: var(--muted); font-size: 14.5px; line-height: 1.9; margin-bottom: 12px; max-width: 900px; }
.forum-about-links { font-size: 13.5px; }
.forum-about-links a { margin-right: 14px; color: var(--primary); display: inline-block; }

@media (max-width: 1080px) {
  .qa-rel .rel-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .forum-about { padding: 30px 0 32px; }
  .forum-about h2 { font-size: 18px; }
  .forum-about p { font-size: 14px; }
  .aca-pagehead h1 { font-size: 20px; line-height: 1.45; }
  .qa-item { gap: 12px; padding: 18px 2px; }
  .qa-item h3 { font-size: 15.5px; }
  .qa-item .ans { width: 36px; }
  .aca-search { display: none; }
}

/* ===================== v25 研习社 7 大板块 ===================== */
/* 产品线标签（t3）：与认证类型标签（t2）区分，用描边风格 */
.tag.t3 { background: #fff; color: #3d5a75; border: 1px solid #d4e0ec; font-weight: 600; }
/* 板块 tab 短名更紧凑 */
.f-tabs .aca-tabs a { padding-left: 14px; padding-right: 14px; }
/* 侧栏板块计数与产品线计数区分 */
.side-nav .cnt { font-variant-numeric: tabular-nums; }
/* 板块说明条（列表页顶部） */
.sec-note { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; background: #f4f8fd; border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 0 0 16px; font-size: 13px; color: var(--muted); }
.sec-note b { color: var(--ink); }
.sec-note a { color: var(--primary); }

/* ===================== v26b 导航收纳：产品线并入办证指南 ===================== */
/* 一级项减少，恢复常规字号与间距 */
.nav-links { gap: 14px; }
.nav-links a { font-size: 14px; }
@media (max-width: 1180px) { .nav-tel { display: none; } }
/* 产品线下拉：8 条 + 总览 */
.nav-links .dropdown.pl-drop { min-width: 236px; padding: 8px 0; }
.nav-links .dropdown.pl-drop a { padding: 8px 20px; }
.nav-links .dropdown.pl-drop li:last-child { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 6px; }
.nav-links .dropdown.pl-drop li:last-child a b { color: var(--primary); font-weight: 600; }

/* 产品线页：说明条与对比表 */
.svc-note { font-size: 13px; color: var(--muted); background: #f6f9fc; border-left: 3px solid var(--line); padding: 10px 14px; border-radius: 0 8px 8px 0; margin-top: 14px; }
.tbl-compare th, .tbl-compare td { font-size: 13.5px; }
.tbl-compare td:first-child { white-space: nowrap; }
.tbl-compare a { color: var(--primary); }

/* 产品线卡片：周期标签 */
.prod-card .pc-link { font-size: 13px; }

@media (max-width: 760px) {
  .tbl-compare { min-width: 720px; }
  .nav-links a { font-size: 15px; }
}

/* 首页：hero 下 8 条产品线速览条 */
.pl-rail { background: #fff; border-bottom: 1px solid var(--line); padding: 16px 0 18px; }
.pl-rail-head { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); margin-bottom: 11px; }
.pl-rail-head b { font-size: 13.5px; color: var(--ink); }
.pl-rail-head a { margin-left: auto; color: var(--primary); font-weight: 600; font-size: 13px; white-space: nowrap; }
.pl-rail-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.pl-rail-grid a { display: block; position: relative; border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px 10px; background: #fbfdff; transition: border-color .16s, background .16s, transform .16s, box-shadow .16s; }
.pl-rail-grid a:hover { border-color: #b9d3ec; background: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16,38,61,.07); text-decoration: none; }
.pl-rail-grid small { display: block; font-size: 10.5px; color: #8ba0b4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-rail-grid b { display: block; font-size: 13.5px; color: var(--ink); margin-top: 3px; white-space: nowrap; }
.pl-rail-grid a:hover b { color: var(--primary); }
.pl-rail-grid i { position: absolute; right: 8px; bottom: 5px; font-style: normal; font-size: 12px; color: #c9d8e6; }
.pl-rail-grid a:hover i { color: var(--primary); }
@media (max-width: 1024px) { .pl-rail-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) {
  .pl-rail { padding: 14px 0; }
  .pl-rail-head { flex-wrap: wrap; gap: 4px 10px; }
  .pl-rail-head a { margin-left: 0; }
  .pl-rail-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===================== v26 研习社：产品线与板块并列 ===================== */
/* 第二行 tab：按产品线 */
.f-tabs-pl { display: flex; align-items: center; gap: 10px; border-top: 1px solid #eef3f8; margin-top: 2px; padding: 2px 0 6px; }
.pl-lbl { font-size: 12px; color: #8ba0b4; white-space: nowrap; flex-shrink: 0; }
.f-tabs .aca-tabs.pl-row { gap: 6px; padding: 4px 0; }
.pl-row a { padding: 5px 11px !important; font-size: 12.5px !important; border: 1px solid var(--line) !important; border-radius: 999px; background: #fff; color: #3d5a75 !important; font-weight: 500 !important; }
.pl-row a:hover { border-color: #b9d3ec !important; background: #f6fbff; text-decoration: none; }
.pl-row a.on { background: #eaf2fb !important; border-color: #9dc2e6 !important; color: var(--primary) !important; font-weight: 600 !important; }
.pl-row a .c { margin-left: 5px; font-size: 11px; color: #94a8ba; font-variant-numeric: tabular-nums; }

/* 产品线直达面板 */
.pl-board { background: #f7fafd; border-bottom: 1px solid var(--line); padding: 16px 0 18px; }
.pl-board-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; font-size: 12.5px; color: var(--muted); }
.pl-board-head b { font-size: 14px; color: var(--ink); }
.pl-board-head a { margin-left: auto; color: var(--primary); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.pl-board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pl-cell { position: relative; display: flex; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 10px; transition: border-color .16s, box-shadow .16s; }
.pl-cell:hover { border-color: #b9d3ec; box-shadow: 0 5px 14px rgba(16,38,61,.06); }
.pl-main { flex: 1; min-width: 0; padding: 10px 12px; color: var(--ink); }
.pl-main:hover { text-decoration: none; }
.pl-main b { display: block; font-size: 13.5px; }
.pl-main small { display: block; font-size: 11.5px; color: #8ba0b4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-main .n { position: absolute; top: 9px; right: 11px; font-size: 11px; color: #93a7ba; }
.pl-go { flex-shrink: 0; padding: 6px 10px; margin-right: 6px; font-size: 12px; color: var(--primary); background: #f0f7ff; border-radius: 7px; font-weight: 600; white-space: nowrap; }
.pl-go:hover { background: #e3effc; text-decoration: none; }

@media (max-width: 1024px) { .pl-board-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) {
  .pl-row { display: flex !important; }
  .f-tabs-pl { flex-wrap: wrap; }
  .pl-board-head { flex-wrap: wrap; gap: 4px 10px; }
  .pl-board-head a { margin-left: 0; }
}
@media (max-width: 560px) {
  .pl-board-grid { grid-template-columns: 1fr; }
  .pl-lbl { display: none; }
}

/* v26b：移动端溢出修复 */
.svc-main { min-width: 0; }
.svc-sec { min-width: 0; }
@media (max-width: 1080px) { .svc-wrap { grid-template-columns: minmax(0, 1fr); } }
.f-tabs-pl .aca-tabs { min-width: 0; }
@media (max-width: 900px) { .f-tabs .aca-tabs.pl-row { flex-wrap: wrap; overflow-x: visible; } }

/* ===================== v28 权威可信增强 ===================== */
/* 页脚：官方受理与证书查询行 */
.foot-official { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-top: 26px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.09); font-size: 12.5px; color: rgba(255,255,255,.55); }
.foot-official b { color: rgba(255,255,255,.88); font-size: 13px; white-space: nowrap; }
.foot-official a { color: #9dc6ea; }
.foot-official a:hover { color: #c4dcf2; }
.foot-official em { font-style: normal; color: rgba(255,255,255,.38); margin-left: auto; white-space: nowrap; }
.aca-footer .foot-official { border-top-color: rgba(255,255,255,.09); margin-top: 8px; }
/* 三证书页侧栏：官方证书查询卡 */
.sd-official-tip { font-size: 12.5px; color: var(--muted); line-height: 1.75; margin: 8px 0 4px; }
.sd-official-link { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 8px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; color: var(--ink); line-height: 1.5; transition: border-color .16s, background .16s; }
.sd-official-link:hover { border-color: #b9d3ec; background: #f6fbff; text-decoration: none; }
.sd-official-link span { color: var(--primary); font-size: 12px; white-space: nowrap; }
/* 顶栏徽标：官网可查 */
.tb-badges i { color: #2fae74; }
@media (max-width: 860px) { .foot-official { flex-direction: column; align-items: flex-start; gap: 6px; } .foot-official em { margin-left: 0; } }

/* ===================== v29 联系页（对标行业联系页结构） ===================== */
.ct-eyebrow { display: inline-block; font-size: 12px; letter-spacing: 3px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.img-hero .ct-eyebrow { color: rgba(255,255,255,.72); }
/* 总部基地大块 */
.ct-base { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 30px 32px 28px; box-shadow: 0 8px 26px rgba(16,38,61,.05); }
.ct-base-head { padding-bottom: 18px; border-bottom: 1px dashed var(--line); margin-bottom: 20px; }
.ct-tag { display: inline-block; font-size: 12px; letter-spacing: 2px; color: #8ba0b4; margin-bottom: 6px; }
.ct-base h2 { font-size: 24px; margin-bottom: 6px; }
.ct-cap { font-size: 13.5px; color: var(--muted); }
.ct-base-grid { display: grid; grid-template-columns: 1.25fr .95fr; gap: 26px; }
.ct-info { display: flex; flex-direction: column; gap: 11px; }
.ct-row { display: flex; gap: 14px; align-items: baseline; font-size: 14.5px; }
.ct-row .ct-k { flex-shrink: 0; width: 62px; font-size: 12.5px; color: #8ba0b4; }
.ct-row b { font-weight: 500; line-height: 1.6; }
.ct-row a { color: var(--primary); font-weight: 600; }
.ct-visit { background: #f6f9fc; border-radius: 10px; padding: 16px 18px; font-size: 13.5px; color: #3d5a75; }
.ct-visit b { display: block; font-size: 14px; color: var(--ink); margin-bottom: 8px; }
.ct-visit p { line-height: 1.8; margin-bottom: 8px; }
.ct-visit p:last-child { margin-bottom: 0; }
/* 微信板块 */
.ct-wechat { display: grid; grid-template-columns: 1fr 200px; gap: 34px; align-items: center; background: #f7fafd; border: 1px solid var(--line); border-radius: 14px; padding: 26px 32px; }
.ct-wechat-txt h2 { font-size: 21px; margin-bottom: 8px; }
.ct-wechat-txt p { font-size: 14px; color: #3d5a75; line-height: 1.85; }
.ct-wechat-note { font-size: 13px !important; color: var(--muted) !important; margin-top: 8px; }
.ct-wechat-note a { color: var(--primary); font-weight: 600; }
.ct-wechat-qr { text-align: center; }
.ct-wechat-qr .qr-img { width: 150px; height: 150px; margin: 0 auto 10px; }
.ct-wechat-qr b { display: block; font-size: 14px; }
.ct-wechat-qr span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }
/* 地图板块 */
.ct-loc-desc { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.ct-mapbox { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; box-shadow: 0 6px 18px rgba(16,38,61,.05); }
.ct-maplinks { display: flex; gap: 10px; flex-wrap: wrap; }
.ct-maplinks a { padding: 9px 16px; border: 1px solid var(--line); border-radius: 8px; font-size: 13.5px; color: var(--primary); font-weight: 600; background: #f6fbff; transition: border-color .16s, background .16s; }
.ct-maplinks a:hover { border-color: #b9d3ec; background: #eaf4fd; text-decoration: none; }
.ct-mapaddr { font-size: 13.5px; color: var(--muted); }
.ct-mapaddr b { color: var(--ink); margin-right: 10px; white-space: nowrap; }

@media (max-width: 860px) {
  .ct-base { padding: 22px 18px; }
  .ct-base-grid { grid-template-columns: 1fr; gap: 16px; }
  .ct-wechat { grid-template-columns: 1fr; gap: 20px; padding: 22px 18px; }
  .ct-wechat-qr { order: -1; }
  .ct-mapbox { flex-direction: column; align-items: flex-start; }
}

/* ===================== v30 转化条 + 负责人介绍卡 ===================== */
/* 三大证页：热门检索 + 转化条 */
.hs-strip { background: #fff; border-bottom: 1px solid var(--line); }
.hs-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 0 0; }
.hs-lbl { font-size: 15px; font-weight: 700; color: var(--primary); padding-right: 6px; white-space: nowrap; }
.hs-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 8px; font-size: 13.5px; color: #3d5a75; background: #fff; font-weight: 500; transition: border-color .16s, background .16s; }
.hs-chip.hot { border-color: #9dc2e6; color: var(--primary); background: #f6fbff; font-weight: 600; }
.hs-chip i { font-style: normal; font-size: 9.5px; font-weight: 800; color: #fff; background: #e34d4d; border-radius: 4px; padding: 2px 4px; letter-spacing: .5px; }
.hs-chip:hover { border-color: #b9d3ec; background: #f6fbff; text-decoration: none; }
.conv-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px 22px; flex-wrap: wrap; background: linear-gradient(115deg, #122e4d, #1c4370 60%, #25598f); border-radius: 12px; padding: 18px 26px; margin: 12px 0 18px; color: #fff; }
.conv-txt b { display: block; font-size: 17px; letter-spacing: .3px; }
.conv-txt span { display: block; font-size: 13px; color: rgba(255,255,255,.72); margin-top: 4px; }
.conv-acts { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.conv-btn { background: #fff; color: #122e4d !important; font-weight: 700; padding: 10px 22px; border-radius: 999px; font-size: 14px; white-space: nowrap; }
.conv-btn:hover { background: #eaf2fb; text-decoration: none; }
.conv-tel { display: flex; flex-direction: column; color: #fff; line-height: 1.35; }
.conv-tel b { font-size: 11.5px; color: rgba(255,255,255,.68); font-weight: 400; }
.conv-tel { font-size: 19px; font-weight: 800; letter-spacing: .5px; font-variant-numeric: tabular-nums; }
.conv-tel:hover { text-decoration: none; color: #cfe2f5; }
@media (max-width: 760px) {
  .conv-banner { flex-direction: column; align-items: flex-start; padding: 16px 18px; }
  .conv-txt b { font-size: 15.5px; }
  .conv-tel { font-size: 17px; }
}
/* 公司介绍：负责人介绍卡 */
.founder-card { display: grid; grid-template-columns: 250px 1fr; gap: 30px; background: #eef1f7; border-radius: 14px; padding: 30px 34px; align-items: start; }
.founder-photo img { display: block; width: 100%; border-radius: 10px; object-fit: cover; aspect-ratio: 4 / 5; background: #fff; }
.founder-ph { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; width: 100%; aspect-ratio: 4 / 5; border-radius: 10px; background: linear-gradient(160deg, #dfe6ef, #c7d2df); color: #5a7288; }
.founder-ph span { font-size: 34px; font-weight: 700; letter-spacing: 4px; }
.founder-ph small { font-size: 11.5px; opacity: .75; }
.founder-info h3 { font-size: 21px; margin-bottom: 12px; color: var(--ink); }
.founder-info p { font-size: 14.5px; color: #3d5a75; line-height: 1.85; margin-bottom: 9px; }
.founder-tel { font-size: 15px !important; }
.founder-tel a { color: var(--primary); font-weight: 700; font-size: 17px; }
.founder-qr { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.founder-qr .qr-img { width: 104px; height: 104px; margin: 0; }
.founder-qr .qr-fallback { font-size: 13px; color: var(--muted); background: #fff; border: 1.5px solid #e3e9f0; border-radius: 10px; padding: 16px 18px; }
.founder-qr span { font-size: 13px; color: #6b8299; }
@media (max-width: 760px) {
  .founder-card { grid-template-columns: 1fr; gap: 20px; padding: 22px 18px; }
  .founder-photo { max-width: 260px; }
}

/* ===== 自助报价 v2：SRRC / 进网许可证 按真实价目表精算 ===== */
.quote-tool .qt-modes{grid-template-columns:repeat(3,minmax(0,1fr))}
.qt-tabs{display:flex;gap:6px;margin:0 0 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.qt-tabs button{appearance:none;background:none;border:none;border-bottom:2.5px solid transparent;padding:10px 16px;margin-bottom:-1px;font-family:inherit;font-size:15px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .15s}
.qt-tabs button:hover{color:var(--ink)}
.qt-tabs button.on{color:var(--primary);border-bottom-color:var(--primary)}
.qt-calc .qt-row{margin-bottom:14px}
.qt-calc .qt-row>label{display:block;margin-bottom:6px;font-size:13.5px;color:var(--muted)}
.qt-calc select{width:100%;max-width:100%;padding:10px 12px;font-size:14px}
.qt-calc .qt-hintline{font-size:12.5px;color:var(--muted);line-height:1.6;margin:-4px 0 14px}
.qt-calc .qt-inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.qt-calc .qt-inline select{flex:1;min-width:140px}
.qt-calc input[type="number"]{width:96px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;outline:none}
.qt-calc input[type="number"]:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,92,171,.1)}
.qt-calc .qt-chk{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);cursor:pointer;margin-bottom:10px}
.qt-calc .qt-chk input{width:17px;height:17px;accent-color:var(--primary)}
.qt-calc .qt-band{display:none}
.qt-calc .qt-band.on{display:block}
.qt-calc .qt-warn{font-size:12.5px;color:#a8611a;background:#fdf5e8;border:1px solid #f2e2c4;border-radius:8px;padding:8px 12px;margin-bottom:14px;line-height:1.6}
/* 结果面板明细 */
.qt-bd{list-style:none;margin:0 0 16px;padding:14px 0 0;border-top:1px solid #ece4d6;font-size:13px}
.qt-bd li{display:flex;justify-content:space-between;gap:12px;padding:5px 0;color:var(--muted);line-height:1.5}
.qt-bd li b{color:var(--ink);font-weight:600;white-space:nowrap}
.qt-bd li.sum{border-top:1px dashed #e2d9c8;margin-top:6px;padding-top:8px;color:var(--ink);font-weight:600}
.qt-bd li.sum b{color:var(--primary)}
.qt-bd li em{font-style:normal;color:#8b97a6;font-size:12px}
@media (max-width:860px){
  .quote-tool .qt-modes{grid-template-columns:1fr}
  .qt-body{grid-template-columns:1fr}
  .qt-result{position:static}
}