/* ============================================================
   至臻咨询 · 子页面公共样式（业务页 / 知识栏目 / 文章页）
   设计 token 与首页一致：政务文书风
   ============================================================ */
:root{
  --paper:#F7F4EE;--paper-2:#F1ECE2;--ink:#16324F;--ink-2:#1E4267;--ink-soft:#2C4E70;
  --seal:#B03A2E;--seal-deep:#8E2F24;--text:#262B31;--muted:#6E6A63;--line:#E2DCD0;
  --card:#FFFFFF;--gold:#D0A23E;--radius:10px;
  --serif:'Noto Serif SC','Songti SC','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:700;line-height:1.35}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
/* ===== 顶部导航（与首页一致） ===== */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(247,244,238,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
header.scrolled{box-shadow:0 2px 18px rgba(22,50,79,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-seal{width:42px;height:42px;background:var(--seal);color:#F9F3E9;font-family:var(--serif);font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center;border-radius:6px;letter-spacing:1px;line-height:1.15;text-align:center;transform:rotate(-2deg);box-shadow:inset 0 0 0 2px rgba(249,243,233,.55)}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink)}
.brand-name small{display:block;font-family:var(--sans);font-size:11px;font-weight:400;color:var(--muted);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 13px;font-size:15px;color:var(--ink-soft);border-radius:6px;transition:.2s}
.nav-links a:hover{color:var(--seal);background:rgba(176,58,46,.06)}
.nav-links a.active{color:var(--seal)}
.nav-cta{background:var(--seal);color:#fff!important;padding:10px 20px!important;border-radius:6px;font-weight:500;margin-left:8px}
.nav-cta:hover{background:var(--seal-deep)!important;color:#fff!important}
.hamburger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--ink);transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 24px 20px;box-shadow:0 12px 24px rgba(22,50,79,.1);z-index:99}
.mobile-menu.show{display:block}
.mobile-menu a{display:block;padding:13px 4px;font-size:16px;border-bottom:1px dashed var(--line);color:var(--ink)}
.mobile-menu a:last-child{border-bottom:none;color:var(--seal);font-weight:500}
/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:.25s;min-height:48px}
.btn-primary{background:var(--seal);color:#fff}
.btn-primary:hover{background:var(--seal-deep);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
/* ===== 子页面页头 ===== */
.page-hero{background:linear-gradient(120deg,#12293F 0%,#1E4267 100%);padding:128px 0 56px;color:#F4EFE6;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:60px;width:300px;height:300px;border:1px solid rgba(232,217,184,.16);border-radius:50%}
.crumb{font-size:13.5px;color:#C4CDD7;margin-bottom:20px;font-weight:300;position:relative;z-index:2}
.crumb a{color:#C4CDD7}
.crumb a:hover{color:#E8D9B8}
.crumb span{color:#8E9AA7;margin:0 8px}
.page-hero .ph-no{display:inline-block;font-family:var(--serif);color:#E8D9B8;border:1px solid rgba(232,217,184,.4);border-radius:6px;padding:3px 12px;font-size:14px;letter-spacing:2px;margin-bottom:18px;position:relative;z-index:2}
.page-hero h1{color:#FBF7EF;font-size:38px;font-weight:900;letter-spacing:1px;margin-bottom:14px;position:relative;z-index:2}
.page-hero .ph-sub{color:#D8DEE6;font-size:17px;font-weight:300;max-width:720px;position:relative;z-index:2}
.ph-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:2}
.ph-tags i{font-style:normal;font-size:13px;color:#E8D9B8;border:1px solid rgba(232,217,184,.35);padding:4px 13px;border-radius:20px}
/* ===== 正文双栏布局 ===== */
.doc{padding:56px 0 72px}
.doc-grid{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.doc-body{min-width:0}
.block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px;margin-bottom:24px}
.block>h2{font-size:23px;margin-bottom:18px;padding-left:14px;position:relative}
.block>h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--seal);border-radius:2px}
.block h3{font-size:17.5px;margin:20px 0 9px;color:var(--ink-2)}
.block p{color:#3C4148;font-size:15px;font-weight:300;margin-bottom:10px}
.block .lead{font-size:15.5px;color:#33383F}
.dot-list li{position:relative;padding:7px 0 7px 22px;font-size:15px;color:#3C4148;font-weight:300;line-height:1.65;border-bottom:1px dashed var(--line)}
.dot-list li:last-child{border-bottom:none}
.dot-list li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;background:var(--seal);transform:rotate(45deg)}
.dot-list li b{color:var(--ink);font-weight:500}
.num-list{counter-reset:s}
.num-list li{position:relative;padding:10px 0 10px 44px;font-size:15px;color:#3C4148;font-weight:300;border-bottom:1px dashed var(--line);counter-increment:s}
.num-list li:last-child{border-bottom:none}
.num-list li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:9px;font-family:var(--serif);font-weight:700;color:var(--seal);font-size:15px;border:1px solid var(--seal);border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center}
.num-list li b{color:var(--ink);font-weight:500;display:block;font-size:15.5px;margin-bottom:2px}
.note{background:var(--paper-2);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:14px 18px;font-size:14px;color:#55504A;margin-top:14px;font-weight:300}
.note b{color:var(--seal-deep);font-weight:500}
/* 表格 */
.doc-table{width:100%;border-collapse:collapse;font-size:14px;margin-top:8px}
.doc-table th{background:var(--ink);color:#E8D9B8;font-family:var(--serif);font-weight:700;padding:11px 14px;text-align:left;font-size:14px}
.doc-table td{padding:11px 14px;border-bottom:1px solid var(--line);color:#3C4148;font-weight:300;vertical-align:top}
.doc-table tr:nth-child(even) td{background:#FBF9F4}
/* 业务页 FAQ */
.pfaq{border:1px solid var(--line);border-radius:8px;margin-bottom:10px;background:var(--paper);overflow:hidden}
.pfaq-q{width:100%;display:flex;justify-content:space-between;gap:14px;align-items:center;background:none;border:none;cursor:pointer;text-align:left;padding:17px 20px;font-family:var(--serif);font-weight:700;font-size:15.5px;color:var(--ink)}
.pfaq-q .pm{flex:none;width:24px;height:24px;border:1.5px solid var(--seal);border-radius:50%;position:relative}
.pfaq-q .pm::before,.pfaq-q .pm::after{content:"";position:absolute;background:var(--seal);top:50%;left:50%;transform:translate(-50%,-50%)}
.pfaq-q .pm::before{width:10px;height:1.5px}
.pfaq-q .pm::after{width:1.5px;height:10px;transition:.25s}
.pfaq.open .pm::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.pfaq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.pfaq-a p{padding:0 20px 17px;font-size:14px;color:var(--muted);font-weight:300}
/* ===== 侧边栏 ===== */
.doc-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;overflow:hidden}
.side-cta{background:linear-gradient(150deg,#16324F,#1E4267);color:#F4EFE6;border:none}
.side-cta h3{color:#F0E2C6;font-size:19px;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:#C4CDD7;font-weight:300;margin-bottom:16px}
.side-cta .btn{width:100%;justify-content:center;margin-bottom:10px;padding:12px}
.side-qr{background:#fff;border-radius:8px;padding:8px;width:140px;margin:6px auto 0}
.side-qr img{width:100%;border-radius:4px}
.side-qr-cap{text-align:center;font-size:12px;color:#C4CDD7;margin-top:8px}
.side-card h4{font-size:15.5px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--ink);display:inline-block}
.side-nav li{border-bottom:1px dashed var(--line)}
.side-nav li:last-child{border-bottom:none}
.side-nav a{display:flex;align-items:center;gap:9px;padding:10px 4px;font-size:14px;color:var(--ink-soft);transition:.2s}
.side-nav a .n{font-family:var(--serif);color:var(--seal);font-size:13px;flex:none}
.side-nav a:hover{color:var(--seal);padding-left:8px}
.side-nav a.cur{color:var(--seal);font-weight:500}
.side-steps li{position:relative;padding:0 0 16px 22px;font-size:13.5px;color:#4A4E55;font-weight:300}
.side-steps li::before{content:"";position:absolute;left:4px;top:7px;width:8px;height:8px;background:var(--gold);border-radius:50%}
.side-steps li:not(:last-child)::after{content:"";position:absolute;left:7px;top:18px;bottom:0;width:1.5px;background:var(--line)}
.side-steps li b{display:block;color:var(--ink);font-weight:500;font-size:14px}
/* 关联资质 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{border:1px solid var(--line);border-radius:8px;padding:20px;background:var(--paper);transition:.25s}
.rel-card:hover{border-color:var(--seal);background:#fff;box-shadow:0 8px 20px rgba(22,50,79,.07)}
.rel-card .n{font-family:var(--serif);color:var(--seal);font-size:13px;letter-spacing:1px}
.rel-card h3{font-size:16px;margin:6px 0 4px}
.rel-card p{font-size:13px;color:var(--muted);font-weight:300}
/* 底部 CTA 条 */
.cta-band{background:linear-gradient(120deg,#12293F,#1E4267);border-radius:var(--radius);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:8px}
.cta-band h3{color:#FBF7EF;font-size:22px}
.cta-band p{color:#C4CDD7;font-size:14px;font-weight:300;margin-top:6px}
/* ===== 知识栏目列表页 ===== */
.kb-hero{background:linear-gradient(120deg,#12293F,#1E4267);padding:128px 0 52px;color:#F4EFE6}
.kb-cats{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 8px}
.kb-cats a{font-size:14px;color:#E8D9B8;border:1px solid rgba(232,217,184,.35);border-radius:20px;padding:6px 16px;transition:.2s}
.kb-cats a:hover,.kb-cats a.cur{background:var(--seal);border-color:var(--seal);color:#fff}
.post-list{display:flex;flex-direction:column;gap:20px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;transition:.28s;display:block}
.post-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(22,50,79,.09);border-color:rgba(176,58,46,.3)}
.post-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-bottom:10px;font-weight:300}
.post-meta .cat{background:var(--ink);color:#E8D9B8;padding:2px 11px;border-radius:4px;font-size:12.5px}
.post-card h2{font-size:21px;margin-bottom:9px}
.post-card:hover h2{color:var(--seal)}
.post-card .excerpt{font-size:14.5px;color:var(--muted);font-weight:300;line-height:1.7}
.post-card .more{display:inline-flex;align-items:center;gap:6px;color:var(--seal);font-size:14px;margin-top:12px;font-weight:500}
/* ===== 文章页 ===== */
.article{padding:52px 0 72px}
.article-grid{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.article-head{margin-bottom:30px}
.article-head h1{font-size:31px;line-height:1.4;margin:14px 0 16px}
.article-meta{font-size:13.5px;color:var(--muted);font-weight:300;display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:18px}
.article-body{font-size:16px;color:#33383F;font-weight:300}
.article-body h2{font-size:22px;margin:34px 0 14px;padding-left:13px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--seal);border-radius:2px}
.article-body h3{font-size:17.5px;margin:22px 0 8px;color:var(--ink-2)}
.article-body p{margin-bottom:14px;line-height:1.85}
.article-body ul{margin:0 0 16px}
.article-body ul li{position:relative;padding:5px 0 5px 20px;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:2px;top:14px;width:6px;height:6px;background:var(--seal);transform:rotate(45deg)}
.article-body strong{color:var(--ink);font-weight:500}
.article-body .tip{background:var(--paper-2);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:15px 20px;margin:18px 0;font-size:14.5px;color:#55504A}
.article-toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:92px}
.article-toc h4{font-size:15px;margin-bottom:12px}
.article-toc a{display:block;font-size:13.5px;color:var(--ink-soft);padding:7px 0;border-bottom:1px dashed var(--line);font-weight:300}
.article-toc a:last-child{border-bottom:none}
.article-toc a:hover{color:var(--seal)}
.article-end{margin-top:40px;background:linear-gradient(120deg,#12293F,#1E4267);border-radius:var(--radius);padding:30px 34px;color:#F4EFE6;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.article-end h3{color:#F0E2C6;font-size:20px;margin-bottom:6px}
.article-end p{color:#C4CDD7;font-size:14px;font-weight:300}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:24px;flex-wrap:wrap}
.post-nav a{font-size:14px;color:var(--ink-soft);border:1px solid var(--line);background:#fff;border-radius:8px;padding:13px 18px;flex:1;min-width:240px;transition:.2s}
.post-nav a:hover{border-color:var(--seal);color:var(--seal)}
/* ===== 页脚 ===== */
footer{background:#0F243A;color:#9AA5B1;padding:48px 0 28px;font-size:13.5px;font-weight:300}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:34px}
footer h4{color:#D8C7A3;font-size:15px;margin-bottom:16px;font-family:var(--serif)}
footer li{padding:4px 0}
footer a:hover{color:#E8D9B8}
.foot-bottom{border-top:1px solid rgba(232,217,184,.15);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:#7E8A97}
/* ===== 悬浮 / 移动条 / 弹窗（同首页） ===== */
.float-bar{position:fixed;right:18px;bottom:34px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;background:var(--card);border:1px solid var(--line);box-shadow:0 6px 18px rgba(22,50,79,.12);display:flex;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;transition:.25s}
.float-btn:hover{background:var(--seal);color:#fff;border-color:var(--seal)}
.float-btn .tip{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:5px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.float-btn:hover .tip{opacity:1}
#toTop{opacity:0;pointer-events:none;transition:.3s}
#toTop.show{opacity:1;pointer-events:auto}
.float-wx{position:relative}
.fw-pop{position:absolute;right:62px;bottom:0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;width:172px;text-align:center;box-shadow:0 12px 32px rgba(22,50,79,.2);opacity:0;pointer-events:none;transition:.22s;transform:translateX(10px)}
.float-wx:hover .fw-pop{opacity:1;transform:none;pointer-events:auto}
.fw-pop img{width:100%;border-radius:6px}
.fw-pop b{display:block;margin-top:8px;font-size:12.5px;color:var(--ink);font-weight:500}
.fw-pop span{display:block;font-size:11.5px;color:var(--muted)}
.m-bar{display:none}
.wx-modal{position:fixed;inset:0;background:rgba(15,36,58,.66);z-index:200;display:none;align-items:center;justify-content:center;padding:32px}
.wx-modal.show{display:flex}
.wx-card{background:#fff;border-radius:14px;padding:26px 24px 24px;text-align:center;max-width:300px;width:100%;position:relative;animation:pop .25s ease}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.wx-card img{width:210px;margin:0 auto;border-radius:8px}
.wx-card h4{margin:14px 0 4px;font-size:17px}
.wx-card p{font-size:13px;color:var(--muted)}
.wx-close{position:absolute;right:8px;top:6px;width:40px;height:40px;border:none;background:none;font-size:24px;color:#9AA0A6;cursor:pointer;line-height:1}
/* ===== 响应式 ===== */
@media (max-width:960px){
  .doc-grid,.article-grid{grid-template-columns:1fr}
  .doc-side{position:static;flex-direction:column}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:31px}
}
@media (max-width:680px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .page-hero,.kb-hero{padding:108px 0 42px}
  .page-hero h1{font-size:25px}
  .article-head h1{font-size:23px}
  .block{padding:24px 20px}
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .float-bar{display:none}
  .cta-band,.article-end{padding:26px 22px;text-align:center;justify-content:center}
  .cta-band .btn{width:100%;justify-content:center}
  body{padding-bottom:64px}
  .m-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:8px 12px;gap:10px;box-shadow:0 -4px 16px rgba(22,50,79,.08);padding-bottom:calc(8px + env(safe-area-inset-bottom))}
  .m-bar a{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;height:46px;border-radius:8px;font-size:15.5px;font-weight:500;min-height:44px}
  .m-call{background:var(--ink);color:#fff}
  .m-wx{background:var(--seal);color:#fff}
  footer{padding-bottom:84px}
}
/* ===== 子页轻量留资卡（P0 获客基建，全站统一组件） ===== */
.lead-form{background:linear-gradient(155deg,#FBF7EF,#F4ECDC);border:1px solid #E4D3A8;border-radius:var(--radius);padding:20px;margin:0}
.lead-form h4{font-size:16px;color:var(--ink);margin-bottom:4px;line-height:1.4}
.lead-form .lf-sub{font-size:12.8px;color:var(--muted);font-weight:300;line-height:1.6;margin-bottom:12px}
.lead-form input{width:100%;height:44px;border:1px solid var(--line);border-radius:7px;padding:0 12px;font-size:15px;font-family:var(--sans);background:#fff;margin-bottom:9px;color:var(--text)}
.lead-form input:focus{outline:none;border-color:var(--seal);box-shadow:0 0 0 2px rgba(176,58,46,.08)}
.lead-form button[type=submit]{width:100%;min-height:46px;border:none;border-radius:7px;background:var(--seal);color:#fff;font-size:15px;font-family:var(--sans);font-weight:500;cursor:pointer;transition:.2s}
.lead-form button[type=submit]:hover{background:var(--seal-deep)}
.lead-form .lead-result{display:none;margin-top:12px}
.lead-form .lead-result.show{display:block;animation:pop .22s ease}
.lead-form .lead-summary{background:#fff;border:1px dashed var(--gold);border-radius:7px;padding:11px 12px;font-size:12.8px;line-height:1.75;white-space:pre-wrap;color:#3C4148;margin-bottom:10px}
.lead-form .lead-actions{display:flex;gap:8px}
.lead-form .lead-actions button{flex:1;min-height:42px;border-radius:7px;font-size:13.5px;cursor:pointer;font-family:var(--sans);transition:.2s}
.lead-form .lf-copy{background:var(--ink);color:#fff;border:none}
.lead-form .lf-copy:hover{background:var(--ink-2)}
.lead-form .lf-wx{background:#fff;color:var(--seal);border:1px solid var(--seal)}
.lead-form .lf-wx:hover{background:var(--seal);color:#fff}
.lead-form .lf-note{font-size:11.8px;color:var(--muted);line-height:1.65;margin-top:9px;font-weight:300}
/* 文章文末 / 栏目页宽版留资 */
.lead-form--wide{max-width:760px;margin:34px auto 0}
@media(min-width:681px){
  .lead-form--wide{display:grid;grid-template-columns:1fr 1fr;column-gap:14px;align-items:start}
  .lead-form--wide h4,.lead-form--wide .lf-sub,.lead-form--wide .lead-result,.lead-form--wide .lf-note{grid-column:1/-1}
  .lead-form--wide button[type=submit]{height:44px;min-height:44px;align-self:end;margin-bottom:9px}
}