/* ============================================================
   广东巧能机电 - 全站公共样式
   ============================================================ */
:root{
  --navy:#14324F;
  --dark:#0E2438;
  --orange:#E86A2C;
  --orange-light:#FFB874;
  --text-primary:#1C2B3A;
  --text-secondary:#5B6B7C;
  --text-muted:#9FB3C8;
  --text-light:#B9CCDD;
  --bg-light:#F4F6F8;
  --bg-white:#FFFFFF;
  --border:#E1E7EC;
  --blue-soft:#7FB3D5;
  --blue-bg:#1B4568;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:12px;
  --radius-xl:14px;
  --radius-full:999px;
  --max-width:1440px;
  --section-pad-x:60px;
  --section-pad-y:72px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--text-primary);background:var(--bg-white);line-height:1.6;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul,ol{list-style:none;}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--section-pad-x);}

/* ---------- Top bar ---------- */
.topbar{background:var(--dark);height:40px;display:flex;align-items:center;color:var(--text-muted);font-size:12px;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;}
.topbar span{color:var(--orange-light);font-weight:500;}

/* ---------- Header ---------- */
.header{background:var(--bg-white);height:84px;display:flex;align-items:center;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;}
.header .container{display:flex;justify-content:space-between;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg,.logo img{width:44px;height:44px;object-fit:contain;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;gap:2px;}
.logo-title{font-size:20px;font-weight:700;color:var(--navy);line-height:1.2;}
.logo-sub{font-size:9px;color:var(--text-secondary);letter-spacing:2px;line-height:1;}
.nav{display:flex;gap:30px;align-items:center;}
.nav a{font-size:15px;color:var(--text-primary);transition:color .2s;white-space:nowrap;}
.nav a:hover,.nav a.active{color:var(--orange);font-weight:600;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:opacity .2s,transform .2s;cursor:pointer;border:0;}
.btn:hover{opacity:.9;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-outline{background:transparent;border:1px solid var(--blue-soft);color:#D5E4F0;}
.btn-white{background:#fff;color:var(--orange);}
.btn-dark{background:var(--navy);color:#fff;}
.btn-ghost-dark{background:transparent;border:1px solid #3A5A78;color:#D5E4F0;}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:4px;}

/* ---------- Page banner (inner pages) ---------- */
.page-banner{background:linear-gradient(135deg,#0F2337 0%,#15324F 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.page-banner::after{content:"";position:absolute;right:-80px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(232,106,44,.18) 0%,rgba(232,106,44,0) 70%);}
.page-banner .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:#8FA6BB;margin-bottom:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:#8FA6BB;transition:color .2s;}
.breadcrumb a:hover{color:var(--orange-light);}
.breadcrumb .sep{color:#3A5A78;}
.breadcrumb .current{color:#D5E4F0;}
.page-banner h1{font-size:38px;font-weight:700;line-height:1.35;margin-bottom:12px;}
.page-banner p{font-size:15px;line-height:26px;color:var(--text-light);max-width:720px;}

/* ---------- Section headers ---------- */
.section-header{text-align:center;margin-bottom:40px;}
.section-eyebrow{font-size:13px;letter-spacing:3px;color:var(--orange);font-weight:500;margin-bottom:10px;}
.section-title{font-size:34px;font-weight:700;color:var(--navy);margin-bottom:10px;}
.section-desc{font-size:15px;color:var(--text-secondary);}
.section-title-white{color:#fff;}

/* ---------- Hero (home) ---------- */
.hero{position:relative;background:#0F2337;overflow:hidden;aspect-ratio:19/9;max-height:900px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
/* ---- Hero 通栏轮播（整版设计图，文案在图内） ---- */
.hero-slides{position:absolute;inset:0;z-index:0;}
.hero-slide{position:absolute;inset:0;display:block;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease;}
.hero-slide.on{opacity:1;}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;border-radius:50%;border:none;background:rgba(15,35,55,.5);color:#fff;font-size:26px;line-height:1;cursor:pointer;backdrop-filter:blur(4px);transition:.25s;padding-bottom:3px;opacity:.75;}
.hero-arrow:hover{background:var(--orange);opacity:1;}
.hero-arrow.prev{left:26px;}
.hero-arrow.next{right:26px;}
.hero-dots{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);z-index:3;display:flex;gap:8px;background:rgba(15,35,55,.38);padding:7px 12px;border-radius:999px;backdrop-filter:blur(4px);}
.hero-dot{width:10px;height:10px;border:none;border-radius:6px;background:rgba(255,255,255,.5);cursor:pointer;padding:0;transition:.25s;}
.hero-dot.on{width:26px;background:var(--orange);}

/* ---------- Stats ---------- */
.stats{background:var(--dark);height:110px;display:flex;align-items:center;}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.stat .num{font-size:30px;font-weight:700;color:var(--orange-light);}
.stat .label{font-size:13px;color:var(--text-muted);}

/* ---------- Products ---------- */
.products{background:var(--bg-light);padding:var(--section-pad-y) 0;}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.product-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.product-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .2s,transform .2s;display:block;}
.product-card:hover{box-shadow:0 10px 24px rgba(20,50,79,.1);transform:translateY(-3px);}
.product-card img{width:100%;height:240px;object-fit:cover;}
.product-body{padding:20px;display:flex;flex-direction:column;gap:8px;}
.product-body h3{font-size:18px;font-weight:600;color:var(--text-primary);}
.product-body p{font-size:13px;line-height:22px;color:var(--text-secondary);}
.product-body .link{font-size:13px;color:var(--orange);font-weight:500;}

/* ---------- Advantages ---------- */
.advantages{background:var(--bg-white);padding:var(--section-pad-y) 0;}
.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.advantage-card{background:var(--bg-light);border-radius:var(--radius-md);padding:28px;display:flex;flex-direction:column;gap:14px;}
.advantage-card svg{width:44px;height:44px;}
.advantage-card h3{font-size:18px;font-weight:600;}
.advantage-card p{font-size:13px;line-height:22px;color:var(--text-secondary);}

/* ---------- Cases ---------- */
.cases{background:var(--dark);padding:var(--section-pad-y) 0;color:#fff;}
.clients{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:0 auto 36px;}
.client-pill{padding:8px 20px;border:1px solid #3A5A78;border-radius:var(--radius-full);font-size:14px;color:#D5E4F0;cursor:pointer;transition:all .2s;}
.client-pill:hover,.client-pill.on{background:var(--orange);border-color:var(--orange);color:#fff;}
.client-pill.muted{color:#8FA6BB;}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:var(--navy);border-radius:var(--radius-md);overflow:hidden;display:block;transition:transform .2s,box-shadow .2s;}
.case-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.3);}
.case-card img{width:100%;height:240px;object-fit:cover;}
.case-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.case-tag{display:inline-flex;padding:4px 12px;background:#1E3A57;border-radius:var(--radius-full);font-size:12px;color:var(--orange-light);width:fit-content;}
.case-body h3{font-size:17px;font-weight:600;}

/* ---------- About ---------- */
.about{background:var(--bg-white);padding:var(--section-pad-y) 0;}
.about .container{display:grid;grid-template-columns:560px 1fr;gap:56px;align-items:center;}
.about img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-xl);}
.about-content{display:flex;flex-direction:column;gap:18px;}
.about-content h2{font-size:30px;font-weight:700;color:var(--navy);}
.about-content p{font-size:15px;line-height:28px;color:var(--text-secondary);}
.qualifies{display:flex;gap:12px;flex-wrap:wrap;}
.qualify{padding:8px 16px;background:var(--bg-light);border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--navy);}

/* ---------- News ---------- */
.news{background:var(--bg-light);padding:var(--section-pad-y) 0;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .2s;}
.news-card:hover{box-shadow:0 10px 24px rgba(20,50,79,.08);}
.news-card time{font-size:12px;color:#9AA8B5;}
.news-card h3{font-size:17px;font-weight:600;color:var(--text-primary);}
.news-card p{font-size:13px;line-height:22px;color:var(--text-secondary);}
.news-card .link{font-size:13px;color:var(--orange);font-weight:500;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--orange);padding:40px 0;}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:32px;}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:6px;}
.cta-band p{font-size:14px;color:#FFE0C2;}
.cta-band .btn{padding:16px 36px;font-size:17px;}

/* ---------- Footer ---------- */
.footer{background:var(--dark);padding:56px 0 0;color:#fff;}
.footer-main{display:grid;grid-template-columns:400px 1fr 1fr 1fr;gap:60px;}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo svg,.footer-logo img{width:36px;height:36px;object-fit:contain;flex-shrink:0;}
.footer-logo span{font-size:18px;font-weight:700;}
.footer-brand p{font-size:13px;line-height:22px;color:#8FA6BB;}
.footer-brand .phone{font-size:22px;font-weight:700;color:var(--orange-light);}
.footer-brand .area{font-size:13px;color:#8FA6BB;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;}
.footer-col a{font-size:13px;color:#8FA6BB;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bar{margin-top:36px;padding:18px 0;border-top:1px solid #1E3A57;font-size:12px;color:#5B7086;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 14px;text-align:center;}
.footer-bar .icp{color:#5B7086;text-decoration:none;transition:color .2s;}
.footer-bar .icp:hover{color:#9FB3C8;}

/* ---------- Detail page (product / case / news) ---------- */
.detail-wrap{padding:var(--section-pad-y) 0;background:var(--bg-white);}
.detail-layout{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start;}
.detail-hero-img{width:100%;height:440px;object-fit:cover;border-radius:var(--radius-xl);margin-bottom:32px;}
.detail-section{margin-bottom:36px;}
.detail-section h2{font-size:24px;font-weight:700;color:var(--navy);margin-bottom:16px;padding-left:14px;border-left:4px solid var(--orange);line-height:1.4;}
.detail-section p{font-size:15px;line-height:30px;color:var(--text-secondary);margin-bottom:14px;}
.detail-section ul{margin:0 0 14px;padding-left:0;}
.detail-section ul li{font-size:15px;line-height:30px;color:var(--text-secondary);padding-left:22px;position:relative;}
.detail-section ul li::before{content:"";position:absolute;left:6px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--orange);}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:24px;border-radius:var(--radius-md);overflow:hidden;}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);}
.spec-table th{background:var(--bg-light);color:var(--navy);font-weight:600;width:150px;white-space:nowrap;}
.spec-table td{color:var(--text-secondary);}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0;}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:24px;}
.feature-item{background:var(--bg-light);border-radius:var(--radius-md);padding:18px 20px;display:flex;gap:12px;align-items:flex-start;}
.feature-item svg{width:22px;height:22px;flex-shrink:0;margin-top:2px;}
.feature-item h4{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px;}
.feature-item p{font-size:13px;line-height:22px;color:var(--text-secondary);margin:0;}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:104px;}
.side-card{background:var(--bg-light);border-radius:var(--radius-md);padding:28px;}
.side-card.dark{background:var(--navy);color:#fff;}
.side-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.side-card.dark h3{color:#fff;}
.side-card p{font-size:13px;line-height:24px;color:var(--text-secondary);margin-bottom:16px;}
.side-card.dark p{color:var(--text-light);}
.side-card .phone-big{font-size:24px;font-weight:700;color:var(--orange);margin-bottom:16px;letter-spacing:.5px;}
.side-card.dark .phone-big{color:var(--orange-light);}
.side-card .btn{width:100%;padding:13px 20px;}
.side-list{display:flex;flex-direction:column;gap:0;}
.side-list a{font-size:14px;color:var(--text-primary);padding:12px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;transition:color .2s;}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--orange);}
.side-list a::after{content:"→";color:var(--orange);font-size:13px;}

/* ---------- Filter tabs ---------- */
.filter-tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:40px;}
.filter-tab{padding:9px 22px;border-radius:var(--radius-full);border:1px solid var(--border);background:#fff;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:all .2s;}
.filter-tab:hover{border-color:var(--orange);color:var(--orange);}
.filter-tab.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600;}

/* ---------- Article (news detail) ---------- */
.article-wrap{padding:var(--section-pad-y) 0;background:#fff;}
.article{max-width:860px;margin:0 auto;}
.article-meta{display:flex;gap:20px;align-items:center;font-size:13px;color:#9AA8B5;margin-bottom:24px;flex-wrap:wrap;}
.article-meta .tag{padding:4px 12px;background:var(--bg-light);border-radius:var(--radius-full);color:var(--orange);font-weight:500;}
.article h1{font-size:32px;line-height:1.45;font-weight:700;color:var(--navy);margin-bottom:24px;}
.article-body p{font-size:16px;line-height:32px;color:var(--text-secondary);margin-bottom:20px;}
.article-body h2{font-size:22px;font-weight:700;color:var(--navy);margin:32px 0 16px;padding-left:14px;border-left:4px solid var(--orange);}
.article-body img{width:100%;border-radius:var(--radius-md);margin:24px 0;}
.article-body blockquote{background:var(--bg-light);border-left:4px solid var(--orange);padding:18px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;font-size:15px;line-height:28px;color:var(--text-primary);}
.article-nav{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:28px;border-top:1px solid var(--border);font-size:14px;}
.article-nav a{color:var(--text-secondary);transition:color .2s;max-width:45%;}
.article-nav a:hover{color:var(--orange);}

/* ---------- Contact page ---------- */
.contact-wrap{padding:var(--section-pad-y) 0;background:var(--bg-white);}
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.contact-info{display:flex;flex-direction:column;gap:20px;}
.contact-item{display:flex;gap:16px;padding:22px;background:var(--bg-light);border-radius:var(--radius-md);align-items:flex-start;}
.contact-item svg{width:26px;height:26px;flex-shrink:0;margin-top:2px;}
.contact-item h4{font-size:15px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.contact-item p,.contact-item a{font-size:14px;line-height:26px;color:var(--text-secondary);display:block;}
.contact-item a:hover{color:var(--orange);}
.form-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);padding:36px;}
.form-card h3{font-size:22px;font-weight:700;color:var(--navy);margin-bottom:8px;}
.form-card > p{font-size:13px;color:var(--text-secondary);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:8px;}
.form-group label .req{color:var(--orange);}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;color:var(--text-primary);background:#fff;transition:border-color .2s;outline:none;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--orange);}
.form-group textarea{resize:vertical;min-height:110px;}
.form-note{font-size:12px;color:#9AA8B5;margin-top:14px;line-height:20px;}
.form-ok{display:none;background:#E8F5E9;border:1px solid #A5D6A7;color:#2E7D32;padding:14px 18px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:18px;}
.form-ok.show{display:block;}

/* ---------- Map placeholder ---------- */
.map-block{margin-top:var(--section-pad-y);background:var(--bg-light);border-radius:var(--radius-xl);overflow:hidden;height:340px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--text-secondary);border:1px solid var(--border);}
.map-block svg{width:52px;height:52px;}
.map-block h4{font-size:17px;font-weight:600;color:var(--navy);}
.map-block p{font-size:13px;}

/* ---------- Certificates grid ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cert-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .2s;}
.cert-card:hover{box-shadow:0 10px 24px rgba(20,50,79,.08);}
.cert-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--navy);display:flex;align-items:center;justify-content:center;}
.cert-icon svg{width:26px;height:26px;}
.cert-card h3{font-size:16px;font-weight:600;color:var(--navy);}
.cert-card p{font-size:13px;line-height:22px;color:var(--text-secondary);}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:36px;padding-bottom:40px;position:relative;}
.timeline-item::before{content:"";position:absolute;left:146px;top:8px;bottom:0;width:2px;background:var(--border);}
.timeline-item:last-child::before{display:none;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-year{font-size:24px;font-weight:700;color:var(--orange);text-align:right;line-height:1.3;}
.timeline-body{position:relative;padding-left:28px;}
.timeline-body::before{content:"";position:absolute;left:-7px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--orange);border:3px solid #fff;box-shadow:0 0 0 2px var(--orange);}
.timeline-body h4{font-size:17px;font-weight:600;color:var(--navy);margin-bottom:8px;}
.timeline-body p{font-size:14px;line-height:26px;color:var(--text-secondary);}

/* ---------- Team / values ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.value-card{background:var(--bg-light);border-radius:var(--radius-md);padding:28px;display:flex;flex-direction:column;gap:12px;}
.value-card .idx{font-size:28px;font-weight:700;color:var(--orange);line-height:1;}
.value-card h3{font-size:17px;font-weight:600;color:var(--navy);}
.value-card p{font-size:13px;line-height:24px;color:var(--text-secondary);}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px;}
.pagination a,.pagination span{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text-secondary);background:#fff;transition:all .2s;}
.pagination a:hover{border-color:var(--orange);color:var(--orange);}
.pagination .on{background:var(--navy);border-color:var(--navy);color:#fff;}

/* ---------- Utility ---------- */
.mt-40{margin-top:40px;}
.text-center{text-align:center;}
.bg-light{background:var(--bg-light);}

/* ============================================================
   Mobile
   ============================================================ */
@media (max-width:900px){
  :root{--section-pad-x:22px;--section-pad-y:48px;}

  /* Header / nav */
  .topbar{height:36px;font-size:11px;}
  .topbar .container{gap:8px;}
  .topbar .container > div:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .header{height:60px;}
  .logo svg,.logo img{width:32px;height:32px;}
  .logo-title{font-size:16px;}
  .logo-sub{font-size:8px;}
  .header .btn{display:none;}
  .menu-toggle{display:block;}
  .nav{position:absolute;top:96px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 22px;border-bottom:1px solid var(--border);display:none;box-shadow:0 8px 20px rgba(20,50,79,.08);}
  .nav.open{display:flex;}
  .nav a{padding:13px 0;border-bottom:1px solid var(--bg-light);width:100%;font-size:15px;}
  .nav a:last-child{border-bottom:0;}

  /* Hero 轮播（手机：隐藏箭头，手势滑动切换；图按比例完整显示） */
  .hero-arrow{display:none;}
  .hero-dots{bottom:10px;padding:5px 9px;}
  .hero-dot{width:8px;height:8px;}
  .hero-dot.on{width:20px;}

  /* Page banner */
  .page-banner{padding:32px 0;}
  .page-banner h1{font-size:24px;}
  .page-banner p{font-size:13px;line-height:22px;}
  .breadcrumb{font-size:12px;margin-bottom:10px;}

  /* Stats */
  .stats{height:auto;padding:24px 0;}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat{height:80px;background:var(--navy);border-radius:8px;}
  .stat .num{font-size:24px;}
  .stat .label{font-size:12px;}

  /* Section heads */
  .section-title{font-size:24px;}
  .section-eyebrow{font-size:11px;letter-spacing:2px;}
  .section-desc{font-size:12px;}
  .section-header{margin-bottom:26px;}

  /* Grids -> single column */
  .product-grid,.product-grid.cols-2,.case-grid,.news-grid{grid-template-columns:1fr;}
  .advantage-grid{grid-template-columns:repeat(2,1fr);}
  .value-grid{grid-template-columns:1fr;}
  .cert-grid{grid-template-columns:repeat(2,1fr);}
  .product-card img,.case-card img{height:200px;}
  .product-body h3,.case-body h3,.news-card h3{font-size:15px;}
  .advantage-card{padding:18px;}
  .advantage-card svg{width:32px;height:32px;}
  .advantage-card h3{font-size:15px;}
  .advantage-card p{font-size:11px;line-height:18px;}

  /* About */
  .about .container{grid-template-columns:1fr;gap:18px;}
  .about img{height:220px;border-radius:var(--radius-lg);}
  .about-content{text-align:center;}
  .about-content h2{font-size:24px;}
  .about-content p{font-size:13px;line-height:24px;text-align:left;}
  .qualifies{justify-content:center;}
  .qualify{padding:6px 12px;font-size:12px;}

  /* Clients */
  .clients{gap:8px;}
  .client-pill{padding:6px 12px;font-size:12px;}

  /* CTA band */
  .cta-band{padding:36px 0;}
  .cta-band .container{flex-direction:column;text-align:center;gap:18px;}
  .cta-band h2{font-size:20px;}
  .cta-band p{font-size:13px;}
  .cta-band .btn{padding:12px 24px;font-size:14px;}

  /* Footer */
  .footer-main{grid-template-columns:1fr;gap:24px;}
  .footer-brand .phone{font-size:22px;}
  .footer-bar{font-size:11px;}

  /* Detail page */
  .detail-layout{grid-template-columns:1fr;gap:32px;}
  .detail-hero-img{height:220px;border-radius:var(--radius-lg);}
  .detail-section h2{font-size:20px;}
  .detail-section p,.detail-section ul li{font-size:14px;line-height:26px;}
  .feature-list{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .spec-table th{width:100px;font-size:13px;padding:12px;}
  .spec-table td{font-size:13px;padding:12px;}

  /* Contact */
  .contact-layout{grid-template-columns:1fr;gap:32px;}
  .form-card{padding:24px;}
  .form-card h3{font-size:18px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .contact-item{padding:18px;}
  .map-block{height:220px;}

  /* Article */
  .article h1{font-size:22px;}
  .article-body p{font-size:14px;line-height:28px;}
  .article-body h2{font-size:18px;}
  .article-nav{flex-direction:column;gap:12px;}
  .article-nav a{max-width:100%;}

  /* Timeline */
  .timeline-item{grid-template-columns:1fr;gap:10px;padding-bottom:32px;}
  .timeline-item::before{left:7px;top:38px;}
  .timeline-year{text-align:left;font-size:20px;padding-left:28px;}
  .timeline-body{padding-left:28px;}
  .timeline-body::before{left:-7px;top:6px;}

  /* Cert */
  .cert-card{padding:18px;}
  .cert-icon{width:40px;height:40px;}
  .cert-icon svg{width:22px;height:22px;}
  .cert-card h3{font-size:14px;}
  .cert-card p{font-size:12px;line-height:20px;}

  /* Side card */
  .side-card{padding:22px;}
  .side-card h3{font-size:16px;}
  .side-card .phone-big{font-size:20px;}
}