/*
Theme Name: 王梓炎工长站
Theme URI: https://zipeng.net
Description: 北京装修工长个人站 · 浅色高级感 · 多栏目导航（施工案例/装修日记/装修知识）
Version: 1.1
Author: WorkBuddy
*/

:root{
  --bg:#FBF9F5;
  --bg-alt:#F4EFE8;
  --primary:#B0693F;
  --primary-dark:#8A5230;
  --ink:#3A332C;
  --ink-2:#6B6258;
  --line:#E7DFD3;
  --radius:14px;
  --shadow:0 6px 20px rgba(120,90,60,.08);
  --maxw:1120px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  background:var(--bg-alt);
  padding:12px 0;
  font-size:13px;
  color:var(--ink-2);
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{margin:0 8px;color:var(--line);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,249,245,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.brand{font-weight:800;font-size:18px;color:var(--ink);}
.brand span{color:var(--primary);}
.nav-links{display:flex;gap:28px;list-style:none;}
.nav-links a{
  color:var(--ink);font-weight:600;font-size:15px;position:relative;padding:4px 0;
}
.nav-links a:hover,.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);border-radius:2px;
}
.nav-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink);}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(160deg,#F4EFE8,#FBF9F5);
  padding:72px 0 64px;text-align:center;
}
.hero-tag{
  display:inline-block;background:var(--bg-alt);color:var(--primary);
  font-size:13px;font-weight:600;padding:5px 16px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:36px;line-height:1.3;margin-bottom:14px;}
.hero h1 .accent{color:var(--primary);}
.hero p{color:var(--ink-2);font-size:17px;max-width:640px;margin:0 auto 22px;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:20px;}
.hero-points{
  list-style:none;display:flex;gap:20px;justify-content:center;flex-wrap:wrap;
  font-size:14px;color:var(--ink-2);
}

/* ---------- 信任数据条 ---------- */
.stats-bar{
  background:var(--primary);
  padding:28px 0;
}
.stats-grid{
  display:flex;justify-content:space-around;flex-wrap:wrap;gap:20px;
}
.stats-bar .stat{text-align:center;color:#fff;}
.stats-bar .stat b{display:block;font-size:32px;font-weight:800;line-height:1.2;}
.stats-bar .stat .unit{font-size:14px;font-weight:400;}
.stats-bar .stat span{font-size:13px;opacity:.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;background:var(--primary);color:#fff;
  padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;
  box-shadow:var(--shadow);transition:.2s;
}
.btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-ghost:hover{background:var(--primary);color:#fff;}

/* ---------- 区块 ---------- */
.section{padding:60px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{text-align:center;margin-bottom:36px;}
.section-head h2{font-size:28px;margin-bottom:8px;}
.section-head p{color:var(--ink-2);}

/* ---------- 服务卡片 ---------- */
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:.2s;
}
.svc-card:hover{transform:translateY(-3px);border-color:var(--primary);}
.svc-ico{font-size:32px;margin-bottom:12px;}
.svc-card h3{font-size:18px;margin-bottom:8px;}
.svc-card p{font-size:14px;color:var(--ink-2);margin:0;}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.2s;
}
.card:hover{transform:translateY(-3px);}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--bg-alt);}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card .body{padding:16px 18px;}
.card .body h3{font-size:17px;margin-bottom:6px;}
.card .body .meta{font-size:12.5px;color:var(--primary);margin-bottom:6px;}
.card .body p{font-size:13.5px;color:var(--ink-2);margin:0;}

/* ---------- 关于工长 ---------- */
.about-grid{
  display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start;
}
.about-photo{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow);
  aspect-ratio:3/4;object-fit:cover;
}
.about-text h2{font-size:28px;margin-bottom:16px;}
.about-text p{margin-bottom:14px;font-size:16px;color:var(--ink);}
.about-text strong{color:var(--primary);}
.about-list{
  list-style:none;margin:18px 0 22px;
}
.about-list li{
  padding:6px 0;font-size:15px;color:var(--ink);
}

/* ---------- 服务区域 ---------- */
.areas-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;
}
.area{
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:18px 8px;font-size:15px;font-weight:600;color:var(--ink);
  transition:.2s;
}
a.area:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);}
span.area{opacity:.5;cursor:default;}
.areas-note{text-align:center;font-size:14px;color:var(--ink-2);}
.areas-note strong{color:var(--primary);}

/* ---------- 业主评价 ---------- */
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.review p{font-size:15px;color:var(--ink);margin-bottom:12px;line-height:1.8;}
.review footer{font-size:13px;color:var(--primary);font-weight:600;}

/* ---------- 文章列表（归档） ---------- */
.post-list{display:grid;gap:22px;grid-template-columns:repeat(2,1fr);align-items:start;}
.post-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);transition:.2s;}
.post-card:hover{transform:translateY(-2px);border-color:var(--primary);}
.post-card .thumb{width:140px;flex:0 0 140px;height:105px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--bg-alt);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;}
.post-card-info{flex:1;min-width:0;}
.post-card h3{font-size:16px;margin-bottom:6px;}
.post-card .meta{font-size:12px;color:var(--primary);margin-bottom:6px;}
.post-card p{font-size:13px;color:var(--ink-2);margin:0;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 分类筛选 ---------- */
.tax-filters{
  margin-bottom:28px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
}
.tax-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;}
.tax-group:last-child{margin-bottom:0;}
.tax-label{font-size:13px;font-weight:600;color:var(--ink);min-width:60px;}
.tax-item{
  display:inline-block;padding:4px 14px;border-radius:999px;
  font-size:13px;background:var(--bg-alt);color:var(--ink-2);transition:.2s;
}
.tax-item:hover,.tax-item.active{background:var(--primary);color:#fff;}

/* ---------- 文章详情 ---------- */
.article{max-width:760px;margin:0 auto;}
.article .hero-img{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);margin:24px 0;border-radius:var(--radius);}
.article .hero-img img{width:100%;height:100%;object-fit:cover;}
.article h1{font-size:30px;margin-bottom:10px;}
.article .meta{color:var(--primary);font-size:14px;margin-bottom:20px;}
.article .content{font-size:16.5px;}
.article .content img{border-radius:10px;margin:18px 0;}
.article .content p{margin-bottom:16px;}
.article .content h2{font-size:22px;margin:28px 0 12px;}
.article .content h3{font-size:19px;margin:24px 0 10px;}
.article .content ul,.article .content ol{margin-bottom:16px;padding-left:24px;}
.article .tags{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);}
.tag{
  display:inline-block;background:var(--bg-alt);color:var(--ink-2);
  font-size:13px;padding:4px 12px;border-radius:999px;margin:0 6px 6px 0;
}

/* ---------- 分享栏 ---------- */
.share-bar{
  display:flex;align-items:center;gap:14px;
  margin-top:20px;padding:16px 0;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}
.share-bar a{
  display:inline-block;padding:6px 16px;border-radius:999px;
  background:var(--bg-alt);color:var(--ink);font-size:13px;transition:.2s;
}
.share-bar a:hover{background:var(--primary);color:#fff;}

/* ---------- 上下篇导航 ---------- */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;
}
.post-nav-item{
  display:block;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);transition:.2s;
}
.post-nav-item:hover{border-color:var(--primary);box-shadow:var(--shadow);}
.post-nav-item.prev{text-align:left;}
.post-nav-item.next{text-align:right;}
.post-nav-item.placeholder{visibility:hidden;}
.post-nav-item span{display:block;font-size:12px;color:var(--ink-2);margin-bottom:4px;}
.post-nav-item b{font-size:14px;color:var(--ink);}

/* ---------- CTA 横幅 ---------- */
.cta-bar{
  background:var(--primary);padding:40px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;color:#fff;margin-bottom:4px;}
.cta-inner p{color:rgba(255,255,255,.85);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-bar .btn{background:#fff;color:var(--primary);}
.cta-bar .btn:hover{background:var(--bg);color:var(--primary-dark);}
.cta-bar .btn-ghost{background:transparent;color:#fff;border-color:#fff;}
.cta-bar .btn-ghost:hover{background:#fff;color:var(--primary);}

/* ---------- 联系区 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;}
.contact-info p{margin-bottom:10px;}
.contact-info b{color:var(--primary);}
.contact-lead{font-size:17px;color:var(--ink);margin-bottom:16px !important;}
.contact-list{list-style:none;}
.contact-list li{
  display:flex;gap:10px;padding:8px 0;font-size:15px;
  border-bottom:1px solid var(--line);
}
.contact-list li:last-child{border-bottom:0;}
.contact-list span:first-child{color:var(--ink-2);min-width:70px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);border-top:1px solid var(--line);
  padding:48px 0 0;margin-top:40px;color:var(--ink-2);font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:32px;border-bottom:1px solid var(--line);
}
.footer-col h4{font-size:15px;color:var(--ink);margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul li a{color:var(--ink-2);font-size:14px;}
.footer-col ul li a:hover{color:var(--primary);}
.footer-col p{margin-bottom:6px;}
.footer-brand .footer-logo{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.footer-bottom{
  text-align:center;padding:20px 0;font-size:13px;
}
.footer-bottom a{color:var(--ink-2);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 浮动联系栏（移动端） ---------- */
.float-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:60;
  display:flex;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -4px 16px rgba(120,90,60,.1);
  transform:translateY(100%);transition:transform .3s;
}
.float-cta.show{transform:translateY(0);}
.float-btn{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:10px 0;font-size:13px;font-weight:600;color:var(--ink);gap:2px;
}
.float-ico{font-size:20px;}
.float-phone{color:var(--primary);}
.float-wechat{background:var(--primary);color:#fff;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:80px;z-index:55;
  width:42px;height:42px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:bold;
  opacity:0;visibility:hidden;transition:.3s;
  box-shadow:var(--shadow);
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--primary-dark);color:#fff;}

/* ===== 装修知识页 ===== */
.know-hero{
  background:linear-gradient(160deg,#F4EFE8,#FBF9F5);
  padding:56px 0 48px;text-align:center;
}
.know-hero h1{font-size:32px;margin-bottom:8px;}
.know-hero p{color:var(--ink-2);font-size:16px;margin-bottom:24px;}

.know-search{
  display:flex;max-width:560px;margin:0 auto;gap:10px;
}
.know-search-input{
  flex:1;padding:12px 18px;font-size:15px;
  border:1.5px solid var(--line);border-radius:999px;
  background:#fff;color:var(--ink);outline:none;font-family:var(--font);
}
.know-search-input:focus{border-color:var(--primary);}
.know-search-btn{white-space:nowrap;padding:12px 24px;}

/* 专题分类卡片 */
.topic-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.topic-card{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:18px 16px;transition:.2s;
}
.topic-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow);}
.topic-ico{font-size:28px;flex-shrink:0;}
.topic-info h3{font-size:15px;color:var(--ink);margin:0 0 4px;}
.topic-count{font-size:12px;color:var(--ink-2);}

/* FAQ 手风琴 */
.faq-list{max-width:800px;margin:0 auto;display:grid;gap:10px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  overflow:hidden;transition:.2s;
}
.faq-item[open]{border-color:var(--primary);}
.faq-item summary{
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  user-select:none;-webkit-user-select:none;
}
.faq-item summary::after{content:"▸";font-size:14px;color:var(--ink-2);transition:transform .2s;}
.faq-item[open] summary::after{transform:rotate(90deg);color:var(--primary);}
.faq-answer{
  padding:0 20px 18px;font-size:15px;color:var(--ink);
}
.faq-answer p{margin-bottom:10px;}
.faq-link{font-size:13px;font-weight:600;color:var(--primary);}

/* 知识双栏 */
.know-columns{
  display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start;
}
.know-list{list-style:none;display:grid;gap:4px;}
.know-list li a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;color:var(--ink);
  transition:.15s;text-decoration:none;
}
.know-list li a:hover{background:var(--bg-alt);}
.know-tag{
  display:inline-block;background:var(--bg-alt);color:var(--primary);
  font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;
  white-space:nowrap;flex-shrink:0;
}
.know-title{flex:1;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.know-date{font-size:12px;color:var(--ink-2);flex-shrink:0;}

/* 知识文章卡片 */
.know-articles{display:grid;gap:14px;}
.know-article-card{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:12px;transition:.2s;text-decoration:none;color:var(--ink);
}
.know-article-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow);}
.ka-thumb{width:100px;flex:0 0 100px;height:75px;border-radius:8px;overflow:hidden;background:var(--bg-alt);}
.ka-thumb img{width:100%;height:100%;object-fit:cover;border-radius:8px;}
.ka-body{flex:1;min-width:0;}
.ka-body h3{font-size:15px;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ka-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:12px;color:var(--ink-2);}
.ka-body p{font-size:13px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:28px;}
.pagination a,.pagination span{
  display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:14px;font-weight:600;
}
.pagination a{background:#fff;border:1px solid var(--line);color:var(--ink);}
.pagination a:hover{border-color:var(--primary);color:var(--primary);}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ===== 团队介绍页 ===== */
.team-hero{
  background:linear-gradient(160deg,#F4EFE8,#FBF9F5);
  padding:56px 0 48px;text-align:center;
}
.team-hero h1{font-size:32px;margin-bottom:10px;}
.team-hero p{color:var(--ink-2);font-size:16px;}

/* 工长领队 */
.team-leader{
  display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:center;
}
.team-leader-img{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);aspect-ratio:3/4;
}
.team-leader-img img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius);}
.team-leader-badge{
  position:absolute;bottom:12px;left:12px;right:12px;
  background:rgba(0,0,0,.65);color:#fff;text-align:center;
  padding:8px;font-size:14px;font-weight:700;border-radius:8px;
  backdrop-filter:blur(4px);
}
.team-leader-info h2{font-size:28px;margin-bottom:14px;}
.team-leader-role{
  display:inline-block;background:var(--primary);color:#fff;
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:12px;
}
.team-leader-info p{margin-bottom:12px;font-size:16px;color:var(--ink);line-height:1.8;}
.team-leader-contact{
  display:flex;gap:20px;margin-top:16px;
  font-size:15px;font-weight:600;color:var(--primary);
}

/* 团队成员卡片网格 */
.team-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.team-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s;
}
.team-card:hover{transform:translateY(-3px);}
.team-card-top{
  height:80px;display:flex;align-items:center;justify-content:center;
  position:relative;
}
.team-card-avatar{
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  position:absolute;bottom:-24px;
}
.team-card-ico{font-size:30px;}
.team-card-body{
  padding:32px 18px 22px;text-align:center;
}
.team-card-body h3{font-size:18px;margin:8px 0 4px;}
.team-exp{font-size:13px;color:var(--ink-2);display:block;margin-bottom:10px;}
.team-card-body p{font-size:14px;color:var(--ink);margin:0;line-height:1.7;}
.team-role-badge{
  display:inline-block;color:#fff;font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:999px;
}

/* 团队文化 */
.culture-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.culture-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:.2s;
}
.culture-card:hover{transform:translateY(-2px);border-color:var(--primary);}
.culture-num{
  font-size:36px;font-weight:800;color:var(--primary);
  opacity:.25;margin-bottom:8px;line-height:1;
}
.culture-card h3{font-size:19px;margin-bottom:10px;}
.culture-card p{font-size:15px;color:var(--ink);margin:0;line-height:1.8;}

/* 团队数据 */
.team-stat{
  text-align:center;padding:16px;
}
.team-stat b{display:block;font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;}
.team-stat .unit{font-size:14px;font-weight:400;}
.team-stat span{font-size:13px;color:var(--ink-2);}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;background:var(--bg);
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links li{padding:10px 20px;}
  .nav-toggle{display:block;}
  .hero{padding:48px 0 40px;}
  .hero h1{font-size:27px;}
  .hero p{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:center;}
  .hero-points{flex-direction:column;align-items:center;gap:8px;}
  .stats-bar .stat b{font-size:26px;}
  .grid-3,.grid-2,.post-list{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;gap:24px;}
  .about-photo{max-width:280px;margin:0 auto;}
  .areas-grid{grid-template-columns:repeat(3,1fr);}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;}
  .cta-inner{flex-direction:column;text-align:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1/-1;}
  .to-top{bottom:70px;right:16px;}
  .float-cta{display:flex;}
  /* 知识页 */
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .know-columns{grid-template-columns:1fr;}
  .know-article-card{flex-direction:column;}
  .ka-thumb{width:100%;height:160px;}
  /* 团队页 */
  .team-leader{grid-template-columns:1fr;}
  .team-leader-img{max-width:280px;margin:0 auto;}
  .team-grid{grid-template-columns:1fr;}
  .culture-grid{grid-template-columns:1fr;}
  .team-leader-contact{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .areas-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .know-search{flex-direction:column;}
}
@media (min-width:861px){
  .float-cta{display:none;}
}