/* 北京市嘉安律师事务所 — 站点样式
   配色取自原站：主色 #771e1a，强调 #b81b25 */
:root{
  --primary:#771e1a; --primary-dark:#5c1613; --accent:#b81b25; --accent-soft:#e75845;
  --ink:#333; --body:#555; --muted:#989898; --line:#e0dede;
  --bg:#fff; --bg-alt:#f5f5f5; --bg-soft:#fff1f1;
  --wrap:1300px; --radius:4px;
  --shadow:0 2px 14px rgba(0,0,0,.08); --shadow-lg:0 8px 30px rgba(0,0,0,.13);
  --font:"Source Han Sans","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",Geneva,sans-serif;
  --serif:"Times New Roman",Times,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  font-size:15px;line-height:1.8;overflow-x:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.4}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 页头 ---------- */
.site-header{background:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:104px;padding-top:10px;padding-bottom:10px}
.logo{display:block;flex:0 0 auto}
.logo img{height:64px;width:auto}
.header-tel{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.header-tel .tel-ic{width:42px;height:42px;flex:0 0 auto;border-radius:50%;background:var(--accent);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;
  font-family:var(--serif);letter-spacing:0}
.header-tel small{display:block;font-size:14px;color:var(--body);line-height:1.4}
.header-tel strong{display:block;font-size:27px;color:var(--accent);
  font-family:var(--serif);letter-spacing:.5px;line-height:1.2}

/* ---------- 主导航（深红独立条） ---------- */
.mainnav{background:var(--primary);position:sticky;top:0;z-index:100}
.mainnav .wrap{padding:0}
.mainnav>.wrap>ul{display:flex}
.mainnav li{position:relative;flex:0 0 auto}
.mainnav>.wrap>ul>li>a{display:block;padding:0 42px;line-height:56px;color:#fff;
  font-size:16.5px;letter-spacing:1px;white-space:nowrap;transition:background .25s}
.mainnav>.wrap>ul>li:hover>a,.mainnav>.wrap>ul>li.active>a{background:var(--accent);color:#fff}
.mainnav .sub{position:absolute;left:0;top:56px;min-width:100%;background:#fff;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.25s;padding:6px 0;z-index:5}
.mainnav li:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.mainnav .sub a{display:block;padding:9px 20px;font-size:14.5px;color:var(--body);white-space:nowrap}
.mainnav .sub a:hover{background:var(--bg-soft);color:var(--primary)}
.nav-toggle{display:none;background:var(--primary);border:0;padding:11px 10px;cursor:pointer;
  border-radius:3px;line-height:0}
.nav-toggle i{display:block;width:24px;height:3px;background:#fff;margin:4px 0;transition:.3s}

/* ---------- 首页轮播 ---------- */
.hero{position:relative;overflow:hidden;background:#2b0e0c}
.hero-track{display:flex;transition:transform .7s cubic-bezier(.4,0,.2,1)}
.hero-slide{min-width:100%;position:relative}
.hero-slide img{width:100%;aspect-ratio:1920/600;height:auto;object-fit:cover;display:block}
.hero-cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;color:#fff;background:linear-gradient(rgba(40,10,8,.42),rgba(40,10,8,.55));padding:20px}
.hero-cap h2{color:#fff;font-size:clamp(24px,3.4vw,44px);letter-spacing:3px;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero-cap p{margin:0;font-size:clamp(13px,1.3vw,18px);letter-spacing:4px;opacity:.9}
.hero-dots{position:absolute;left:0;right:0;bottom:18px;display:flex;justify-content:center;gap:10px;z-index:3}
.hero-dots button{width:34px;height:4px;border:0;padding:0;background:rgba(255,255,255,.45);cursor:pointer;transition:.3s}
.hero-dots button.on{background:var(--accent-soft);width:48px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:60px;
  background:rgba(0,0,0,.28);border:0;color:#fff;font-size:22px;cursor:pointer;transition:.25s}
.hero-arrow:hover{background:var(--primary)}
.hero-arrow.prev{left:0} .hero-arrow.next{right:0}

/* ---------- 通用区块 ---------- */
.section{padding:70px 0}
.section.alt{background:var(--bg-alt)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .en{display:block;font-family:var(--serif);font-size:15px;letter-spacing:5px;
  color:var(--accent);text-transform:uppercase;margin-bottom:8px}
.sec-head h2{font-size:32px;letter-spacing:2px;color:var(--ink)}
.sec-head .line{width:48px;height:3px;background:var(--primary);margin:16px auto 0}
.sec-head p{max-width:820px;margin:14px auto 0;color:var(--muted);font-size:14px}
.btn{display:inline-block;padding:11px 34px;border:1px solid var(--primary);color:var(--primary);
  font-size:14px;letter-spacing:1px;background:transparent;cursor:pointer;transition:.28s}
.btn:hover{background:var(--primary);color:#fff}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-dark);color:#fff}
.center{text-align:center}

/* ---------- 服务范围（配图卡片） ---------- */
.svc-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc-card{display:block;background:#fff;border:1px solid var(--line);transition:.3s;overflow:hidden}
.svc-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--primary)}
.svc-ph{aspect-ratio:278/200;overflow:hidden;background:var(--bg-alt)}
.svc-ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc-card:hover .svc-ph img{transform:scale(1.05)}
.svc-bd{padding:20px 22px 24px}
.svc-card h3{font-size:22px;color:var(--primary);text-align:center;margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.svc-card li{position:relative;padding-left:16px;font-size:15px;line-height:2.1;color:var(--body)}
.svc-card li::before{content:"";position:absolute;left:0;top:14px;width:5px;height:5px;
  background:var(--accent-soft);border-radius:50%}

/* ---------- 关于区底图 ---------- */
.about-sec{background:center/cover no-repeat;background-color:var(--bg-alt)}

/* ---------- CTA「资深律师预约面谈」 ---------- */
.cta{background:var(--primary) center/cover no-repeat;padding:70px 0;text-align:center;color:#fff}
.cta .wrap{display:flex;flex-direction:column;align-items:center;gap:22px}
.cta img{max-width:320px;width:70%;height:auto}
.cta h2{color:#fff;font-size:34px;letter-spacing:2px;line-height:1.5;font-weight:600;
  text-shadow:0 2px 10px rgba(0,0,0,.35)}
.cta-btn{display:inline-block;padding:14px 46px;background:var(--accent);color:#fff;
  font-size:19px;letter-spacing:1px;border-radius:2px;transition:.28s}
.cta-btn:hover{background:#fff;color:var(--primary)}

/* ---------- 联合律师楼 ---------- */
.building-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.building-txt .en{display:block;font-family:var(--serif);font-size:34px;letter-spacing:3px;
  color:var(--accent);text-transform:uppercase}
.building-txt h2{font-size:32px;letter-spacing:2px;margin-top:6px}
.building-txt .line{width:48px;height:3px;background:var(--primary);margin:16px 0 20px}
.building-txt p{margin:0 0 14px;text-align:justify}
.building-txt .btn{margin-top:8px}
.building-img img{width:100%;box-shadow:var(--shadow-lg)}

/* ---------- 数据统计 ---------- */
.stats{background:var(--bg-alt);padding:54px 0}
.stats ul{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats li{position:relative}
.stats li+li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:56px;background:var(--line)}
.stats .num{font-family:var(--serif);font-size:52px;line-height:1.1;
  color:var(--primary);font-weight:700;letter-spacing:0}
.stats .num i{font-size:17px;font-style:normal;margin-left:5px;font-weight:400;font-family:var(--font)}
.stats .lbl{font-size:15px;color:var(--body);margin-top:10px}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.about-txt p{margin:0 0 16px;text-align:justify}
.about-img img{width:100%;box-shadow:var(--shadow-lg)}

/* ---------- 主任介绍 ---------- */
.director{display:grid;grid-template-columns:340px 1fr;gap:44px;align-items:start}
.director-photo img{width:100%;box-shadow:var(--shadow-lg)}
.director-name{font-size:26px;color:var(--primary);margin-bottom:4px}
.director-role{color:var(--muted);font-size:14px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.director p{margin:0 0 14px;text-align:justify;font-size:14.5px}

/* ---------- 律师团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.team-card{background:#fff;border:1px solid var(--line);text-align:center;transition:.3s;overflow:hidden}
.team-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.team-card .ph{aspect-ratio:3/4;overflow:hidden;background:var(--bg-alt)}
.team-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.team-card:hover .ph img{transform:scale(1.05)}
.team-card .nm{padding:14px 8px;font-size:17px;color:var(--ink);font-weight:600}
.team-card .nm small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}

/* ---------- 列表（案例/动态） ---------- */
.post-list{display:grid;gap:22px}
.post{display:grid;grid-template-columns:260px 1fr;gap:24px;background:#fff;
  border:1px solid var(--line);padding:20px;transition:.3s}
.post:hover{box-shadow:var(--shadow-lg);border-color:var(--primary)}
.post .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post:hover .thumb img{transform:scale(1.05)}
.post h3{font-size:18px;margin-bottom:10px}
.post:hover h3{color:var(--primary)}
.post .excerpt{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.post .meta{font-size:13px;color:var(--muted);display:flex;gap:18px}

/* ---------- 视频 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:#fff;border:1px solid var(--line);transition:.3s}
.video-card:hover{box-shadow:var(--shadow-lg)}
.video-card video{width:100%;aspect-ratio:9/16;object-fit:cover;background:#000;display:block}
.video-card .cap{padding:12px 14px;font-size:14.5px;color:var(--ink);text-align:center}

/* ---------- 荣誉 ---------- */
.honor-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:32px;flex-wrap:wrap}
.honor-tabs button{padding:9px 30px;border:1px solid var(--line);background:#fff;
  font-family:inherit;font-size:14px;color:var(--body);cursor:pointer;transition:.25s}
.honor-tabs button.on,.honor-tabs button:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.honor-grid figure{margin:0;border:1px solid var(--line);background:#fff;padding:10px;transition:.3s}
.honor-grid figure:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.honor-grid img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--bg-alt)}

/* ---------- 发展历程 ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;padding:10px 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:var(--line);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:0 40px 40px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 40px 40px}
.tl-item .dot{position:absolute;right:-7px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.tl-item:nth-child(even) .dot{left:-7px;right:auto}
.tl-item .yr{font-family:var(--serif);font-size:26px;color:var(--primary);margin-bottom:6px}
.tl-item .bd{background:#fff;border:1px solid var(--line);padding:16px 18px;font-size:14px}
.tl-item:nth-child(odd){text-align:right}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.adv{display:grid;grid-template-columns:70px 1fr;gap:18px;background:#fff;
  border:1px solid var(--line);padding:24px;transition:.3s}
.adv:hover{box-shadow:var(--shadow-lg);border-color:var(--primary)}
.adv .no{font-family:var(--serif);font-size:38px;color:var(--primary);opacity:.35;line-height:1}
.adv h3{font-size:18px;color:var(--primary);margin-bottom:8px}
.adv p{margin:0;font-size:14px;text-align:justify}

/* ---------- 文化 ---------- */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.culture{background:#fff;border:1px solid var(--line);padding:34px 26px;text-align:center;transition:.3s}
.culture:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.culture .ic{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--bg-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:26px;font-family:var(--serif)}
.culture h3{font-size:19px;color:var(--primary);margin-bottom:10px}
.culture p{margin:0;font-size:14px}

/* ---------- 内页头图 / 面包屑 ---------- */
.page-banner{position:relative;height:260px;background:var(--primary) center/cover no-repeat;display:flex;
  align-items:center;justify-content:center;color:#fff;text-align:center}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(50,12,10,.5),rgba(50,12,10,.62))}
.page-banner .inner{position:relative;z-index:2}
.page-banner h1{color:#fff;font-size:34px;letter-spacing:4px}
.page-banner .en{display:block;font-family:var(--serif);font-size:13px;letter-spacing:5px;opacity:.8;margin-top:8px;text-transform:uppercase}
.crumb{background:var(--bg-alt);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.crumb .wrap{height:48px;display:flex;align-items:center;gap:8px}
.crumb a:hover{color:var(--primary)}

/* ---------- 文章 ---------- */
.article{max-width:900px;margin:0 auto;background:#fff}
.article h1{font-size:27px;text-align:center;line-height:1.5;margin-bottom:14px}
.article .meta{text-align:center;color:var(--muted);font-size:13px;padding-bottom:20px;
  border-bottom:1px solid var(--line);margin-bottom:28px;display:flex;justify-content:center;gap:20px}
.article p{margin:0 0 18px;text-align:justify;font-size:15.5px;line-height:2}
.article img{margin:18px auto;box-shadow:var(--shadow)}
.pager{display:flex;justify-content:space-between;gap:20px;margin-top:40px;
  padding-top:22px;border-top:1px solid var(--line);font-size:14px}
.pager span{color:var(--muted)}

/* ---------- 律师详情 ---------- */
.lawyer-detail{display:grid;grid-template-columns:320px 1fr;gap:44px;align-items:start}
.lawyer-detail .ph img{width:100%;border:1px solid var(--line);background:var(--bg-alt)}
.lawyer-detail h1{font-size:30px;color:var(--primary);margin-bottom:6px}
.lawyer-detail .role{color:var(--muted);font-size:15px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px}
.lawyer-detail dl{display:grid;grid-template-columns:80px 1fr;gap:12px 0;font-size:14.5px;margin:0 0 26px}
.lawyer-detail dt{color:var(--muted)}
.lawyer-detail dd{margin:0}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:44px}
.contact-card{background:#fff;border:1px solid var(--line);padding:32px 24px;text-align:center;transition:.3s}
.contact-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary)}
.contact-card .ic{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}
.contact-card h3{font-size:17px;margin-bottom:8px}
.contact-card p{margin:0;font-size:15px;color:var(--body);word-break:break-all}
.qr-row{display:flex;justify-content:center;gap:34px;flex-wrap:wrap}
.qr-row figure{margin:0;text-align:center}
.qr-row img{width:132px;height:132px;object-fit:contain;border:1px solid var(--line);padding:6px;background:#fff}
.qr-row figcaption{font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:#2b2b2b;color:#9d9d9d;font-size:13.5px;padding:48px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:36px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:500}
.site-footer a{color:#9d9d9d}
.site-footer a:hover{color:#fff}
.foot-grid li{line-height:2.1}
.foot-brand p{margin:0 0 10px;line-height:1.9}
.foot-tel{font-family:var(--serif);font-size:25px;color:#fff;letter-spacing:.5px;margin:6px 0 4px}
.foot-qr{display:flex;gap:16px}
.foot-qr figure{margin:0;text-align:center}
.foot-qr img{width:96px;height:96px;object-fit:contain;background:#fff;padding:4px}
.foot-qr figcaption{font-size:12px;margin-top:6px}
.copyright{border-top:1px solid #3d3d3d;padding:16px 0;font-size:12.5px;color:#7d7d7d}
.copyright .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- 侧边工具条 / 回到顶部 ---------- */
.side-bar{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:2px}
.side-bar a,.side-bar button{width:50px;height:50px;background:var(--primary);color:#fff;border:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;
  cursor:pointer;font-family:inherit;position:relative;transition:.25s}
.side-bar a:hover,.side-bar button:hover{background:var(--accent);color:#fff}
.side-bar .pop{position:absolute;right:58px;top:50%;transform:translateY(-50%);background:#fff;
  color:var(--ink);padding:10px;box-shadow:var(--shadow-lg);white-space:nowrap;
  opacity:0;visibility:hidden;transition:.25s;font-size:13px}
.side-bar>*:hover .pop{opacity:1;visibility:visible}
.side-bar .pop img{width:120px;height:120px;object-fit:contain}
#toTop{opacity:0;visibility:hidden}
#toTop.show{opacity:1;visibility:visible}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pagination a,.pagination span{min-width:38px;height:38px;padding:0 12px;display:flex;align-items:center;
  justify-content:center;border:1px solid var(--line);background:#fff;font-size:14px}
.pagination .cur{background:var(--primary);border-color:var(--primary);color:#fff}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .svc-groups,.video-grid,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:980px){
  .site-header .wrap{min-height:64px}
  .logo img{height:44px}
  .header-tel strong{font-size:19px}.header-tel small{display:none}
  .header-tel .tel-ic{width:34px;height:34px;font-size:11px}
  .nav-toggle{display:block;order:3}
  .mainnav{position:static}
  .mainnav>.wrap>ul{display:none;flex-direction:column}
  .mainnav.open>.wrap>ul{display:flex}
  .mainnav>.wrap>ul>li>a{line-height:2.9;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.14)}
  .mainnav .sub{position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;background:rgba(0,0,0,.16);padding:0;display:none}
  .mainnav li.open .sub{display:block}
  .mainnav .sub a{color:rgba(255,255,255,.85);padding-left:38px}
  .mainnav .sub a:hover{background:rgba(0,0,0,.25);color:#fff}
  .about-grid,.director,.lawyer-detail,.building-grid{grid-template-columns:1fr;gap:28px}
  .cta h2{font-size:24px}
  .cta{padding:48px 0}
  .building-txt .en{font-size:26px}
  .building-txt h2{font-size:26px}
  .stats ul,.adv-grid,.culture-grid,.contact-grid{grid-template-columns:repeat(2,1fr)}
  .stats li:nth-child(3)::before{display:none}
  .stats .num{font-size:38px}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .post{grid-template-columns:1fr}
  .timeline::before{left:8px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 30px 34px;text-align:left}
  .tl-item .dot,.tl-item:nth-child(even) .dot{left:1px;right:auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:48px 0}
  .side-bar{display:none}
}
@media (max-width:640px){
  /* 页头：与原站移动版一致——仅 logo + 汉堡，不显示电话 */
  .site-header .wrap{gap:10px;padding-left:14px;padding-right:14px}
  .logo img{height:40px}
  .header-tel{display:none}

  /* 关于嘉安：原站移动版为「照片 → 标题(左对齐) → 正文」。
     sec_head 是 about-grid 的兄弟节点，用 display:contents 让三者同级排序 */
  .about-sec .wrap{display:flex;flex-direction:column}
  .about-sec .about-grid{display:contents}
  .about-sec .about-img{order:-1;margin-bottom:24px}
  .about-sec .about-txt{order:1}
  .about-sec .sec-head{text-align:left;margin-bottom:0}
  .about-sec .sec-head .line{margin-left:0}
  .about-sec .sec-head .en{font-size:26px;font-weight:700}
  .about-sec .sec-head h2{font-size:26px}

  /* 统计：原站移动版无竖分隔线（需一并覆盖 980px 断点的 nth-child 规则） */
  .stats li+li::before,.stats li:nth-child(3)::before{display:none}
  /* 原站移动版标题下方没有装饰横线 */
  .sec-head .line{display:none}
  .sec-head{margin-bottom:26px}

  .svc-groups,.video-grid,.honor-grid,.adv-grid,.culture-grid,
  .contact-grid,.foot-grid{grid-template-columns:1fr}
  /* 服务范围：原站移动版为满宽配图 + 居中标题 24px + 条目 16px */
  .svc-ph{aspect-ratio:16/10}
  .svc-card h3{font-size:24px}
  .svc-card li{font-size:16px;line-height:2}
  .cta h2{font-size:20px;letter-spacing:1px}
  .cta img{width:82%}
  .cta-btn{font-size:17px;padding:12px 34px}
  .building-txt .en{font-size:22px}
  .building-txt h2{font-size:24px}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:24px}
  .page-banner{height:180px}.page-banner h1{font-size:24px}
  .page-banner .banner-title{font-size:24px}
  .article h1{font-size:21px}
  .wrap{padding:0 14px}

  /* 统计：与原站一致，4 项一行；放不下则横向滚动，不换行不压缩 */
  .stats{padding:32px 0}
  .stats ul{grid-template-columns:repeat(4,minmax(78px,1fr));
    overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .stats ul::-webkit-scrollbar{display:none}
  .stats .num{font-size:24px}
  .stats .num i{font-size:12px;margin-left:2px}
  .stats .lbl{font-size:12px;margin-top:6px}
}

/* 极窄屏兜底：电话仅保留图标，确保汉堡按钮始终可见可点 */
@media (max-width:400px){
  .logo img{height:32px}
  .header-tel strong{font-size:14px}
  .stats .num{font-size:21px}
}