/* ================= 设计令牌 ================= */
/* 纸 #F3F5F4 · 墨 #101619 · 蓝 #15598F(品牌) · 管线黄 #E9A414(信号) */
:root{
  --ink:#101619;
  --graphite:#1B2429;
  --steel:#46545C;
  --muted:#76858C;
  --paper:#F3F5F4;
  --white:#FFFFFF;
  --line:#D9DFDD;
  --line-strong:#BCC6C4;
  --blue:#15598F;
  --blue-deep:#0E3F66;
  --blue-soft:#E8EFF4;
  --yellow:#E9A414;
  --yellow-soft:#FBF1DC;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"Barlow Condensed","Noto Sans SC",sans-serif;
  --pad:20px;
  --maxw:1280px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

/* 双语切换：默认中文 */
.en{display:none;}
body.is-en .en{display:inline;}
body.is-en .zh{display:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;}

/* ================= 顶部信息条 ================= */
.topbar{background:var(--graphite);color:#C9D3D2;font-size:13px;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:40px;gap:12px;}
.topbar-left{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.topbar a{display:inline-flex;align-items:center;gap:7px;}
.topbar a:hover{color:var(--yellow);}
.topbar .tel b{font-family:var(--num);font-size:16px;color:var(--white);letter-spacing:.02em;}
.topbar .mail{display:none;}
.lang-switch{display:flex;align-items:center;border:1px solid #3A464C;}
.lang-switch button{
  background:none;border:0;color:#A9B5B6;font-size:12px;padding:4px 10px;cursor:pointer;letter-spacing:.04em;
}
.lang-switch button+button{border-left:1px solid #3A464C;}
.lang-switch button[aria-pressed="true"]{background:var(--yellow);color:var(--ink);font-weight:700;}

/* ================= 主导航 ================= */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);}
.header.scrolled{box-shadow:0 10px 30px -22px rgba(16,22,25,.6);}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:14px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:42px;width:auto;}
.brand-txt{display:none;font-size:15px;font-weight:700;letter-spacing:.02em;}
.nav{display:none;}
.nav>li{position:relative;}
.nav>li>a{
  display:block;padding:0 13px;line-height:64px;font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:2px solid transparent;
}
.nav>li>a:hover,.nav>li>a.active{color:var(--blue);border-bottom-color:var(--blue);}
.drop{
  position:absolute;top:100%;left:0;min-width:196px;background:var(--white);
  border:1px solid var(--line);border-top:2px solid var(--blue);
  padding:8px 0;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s,transform .18s,visibility .18s;
}
.nav>li:hover .drop{opacity:1;visibility:visible;transform:translateY(0);}
.drop a{display:block;padding:9px 18px;font-size:14px;color:var(--steel);}
.drop a:hover{background:var(--paper);color:var(--blue);}
.header-cta{display:flex;align-items:center;gap:8px;}
.btn-quote{
  display:none;align-items:center;gap:8px;background:var(--yellow);color:var(--ink);
  font-weight:700;font-size:14px;padding:0 18px;height:42px;border:0;cursor:pointer;
}
.btn-quote:hover{background:#F6B92B;}
.burger{
  width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;gap:5px;
  background:none;border:1px solid var(--line);padding:0 10px;cursor:pointer;
}
.burger i{display:block;height:2px;background:var(--ink);}
.burger i:nth-child(2){width:70%;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--graphite);color:var(--white);
  display:flex;flex-direction:column;padding:18px 20px 30px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-top img{height:38px;background:#fff;padding:5px 9px;}
.drawer-close{width:40px;height:40px;background:none;border:1px solid #4A565C;color:#fff;font-size:20px;line-height:1;cursor:pointer;}
.drawer nav a{display:block;padding:14px 0;border-bottom:1px solid #2E3A40;font-size:17px;font-weight:500;}
.drawer-sub{display:flex;flex-wrap:wrap;gap:8px 14px;padding:12px 0 4px;}
.drawer-sub a{font-size:13px;color:#9DAAAF;border:0;padding:0;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid #2E3A40;font-size:13px;color:#9DAAAF;}
.drawer-foot b{display:block;font-family:var(--num);font-size:24px;color:var(--yellow);letter-spacing:.03em;}

/* ================= 首屏轮播 ================= */
.hero{position:relative;overflow:hidden;background:var(--graphite);}
.hero-slide{position:relative;display:none;height:min(88vh,720px);}
.hero-slide.on{display:block;}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,14,17,.90) 0%,rgba(8,14,17,.72) 42%,rgba(8,14,17,.18) 78%,rgba(8,14,17,.05) 100%);
}
.hero-scrim::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(8,14,17,.55),transparent 45%);
}
.hero-body{position:absolute;inset:0;display:flex;align-items:center;}
.hero-text{max-width:640px;color:var(--white);}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;
  color:var(--yellow);margin-bottom:16px;text-transform:uppercase;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:var(--yellow);}
.hero-title{font-size:clamp(28px,6.4vw,58px);line-height:1.14;letter-spacing:-.02em;}
.hero-title em{font-style:normal;color:var(--yellow);}
.hero-rule{width:56px;height:3px;background:var(--yellow);margin:20px 0 18px;}
.hero-specs{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:#D6DFDE;margin-bottom:26px;}
.hero-specs span{display:inline-flex;align-items:center;gap:7px;}
.hero-specs span::before{content:"";width:5px;height:5px;background:var(--yellow);transform:rotate(45deg);}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .16s,color .16s,border-color .16s;
}
.btn-solid{background:var(--yellow);color:var(--ink);}
.btn-solid:hover{background:#F6B92B;}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,.08);}
.btn-blue{background:var(--blue);color:#fff;}
.btn-blue:hover{background:var(--blue-deep);}
.btn-line{border-color:var(--line-strong);color:var(--ink);background:none;}
.btn-line:hover{border-color:var(--ink);}
.hero-dots{position:absolute;left:var(--pad);bottom:26px;display:flex;gap:10px;z-index:3;}
.hero-dots button{
  width:44px;height:3px;border:0;background:rgba(255,255,255,.32);cursor:pointer;padding:0;position:relative;
}
.hero-dots button.on{background:var(--yellow);}
.hero-count{
  position:absolute;right:var(--pad);bottom:20px;z-index:3;color:#C9D3D2;font-family:var(--num);
  font-size:15px;letter-spacing:.1em;
}
.hero-count b{color:#fff;font-size:22px;}

/* ================= 数字条 ================= */
.figures{background:var(--ink);color:var(--white);}
.figures .wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#2B363B;padding-top:0;padding-bottom:0;}
.figure{background:var(--ink);padding:22px 16px 24px;}
.figure b{display:block;font-family:var(--num);font-size:34px;line-height:1;color:var(--yellow);letter-spacing:.02em;}
.figure b i{font-style:normal;font-size:16px;color:#DCE5E3;margin-left:3px;}
.figure span{display:block;margin-top:8px;font-size:13px;color:#9DAAAF;}

/* ================= 通用区块 ================= */
.sec{padding:52px 0;}
.sec-paper{background:var(--paper);}
.sec-ink{background:var(--graphite);color:var(--white);}
.sec-head{margin-bottom:28px;}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--num);
  font-size:13px;letter-spacing:.16em;color:var(--blue);text-transform:uppercase;margin-bottom:10px;
}
.kicker::before{content:"";width:20px;height:2px;background:var(--yellow);}
.sec-title{font-size:clamp(24px,4.6vw,34px);}
.sec-sub{margin-top:10px;color:var(--steel);font-size:14px;max-width:60ch;}
.sec-ink .sec-sub{color:#B4C0C1;}
.sec-ink .kicker{color:#E4C47A;}
.sec-head-row{display:flex;flex-direction:column;gap:14px;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--blue);
  border-bottom:2px solid var(--blue);padding-bottom:4px;align-self:flex-start;
}
.more-link:hover{color:var(--yellow);border-color:var(--yellow);}
.more-link svg{width:14px;height:14px;}

/* ================= 产品中心 ================= */
.prod{display:grid;gap:18px;}
.cats{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
.cats::-webkit-scrollbar{height:0;}
.cat{
  flex:0 0 auto;display:flex;flex-direction:column;gap:2px;text-align:left;
  background:var(--white);border:1px solid var(--line);padding:10px 14px;cursor:pointer;
  min-width:132px;
}
.cat .cn{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;}
.cat .en-l{font-family:var(--num);font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;white-space:nowrap;}
.cat[aria-selected="true"]{background:var(--ink);border-color:var(--ink);}
.cat[aria-selected="true"] .cn{color:var(--yellow);}
.cat[aria-selected="true"] .en-l{color:#9DAAAF;}
.prod-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.pcard{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  text-align:left;padding:0;cursor:pointer;position:relative;overflow:hidden;
}
.pcard::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--yellow);transition:width .22s;z-index:3;}
.pcard:hover::before{width:100%;}
.pcard:hover .pcard-name{color:var(--blue);}
.pcard-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper);}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.pcard:hover .pcard-img img{transform:scale(1.04);}
.pcard-body{padding:15px 16px 17px;}
.pcard-tag{font-family:var(--num);font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;}
.pcard-name{margin-top:5px;font-size:17px;font-weight:700;transition:color .16s;}
.pcard-specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.chip{font-size:12px;color:var(--steel);background:var(--paper);border:1px solid var(--line);padding:3px 8px;}
.pcard-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue);}
.catalog{margin-top:26px;border-top:1px solid var(--line);padding-top:20px;}
.catalog h4{font-size:14px;color:var(--steel);font-weight:700;margin-bottom:12px;}
.catalog-list{display:grid;grid-template-columns:1fr;gap:0;}
.catalog-list li{border-bottom:1px solid var(--line);}
.catalog-list button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:none;border:0;padding:11px 2px;cursor:pointer;text-align:left;font-size:14px;color:var(--ink);
}
.catalog-list button:hover{color:var(--blue);}
.catalog-list .cd{font-family:var(--num);font-size:12px;color:var(--muted);}

/* ================= 应用领域 ================= */
.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.app{background:var(--white);padding:22px 18px;display:flex;flex-direction:column;gap:10px;}
.app svg{width:34px;height:34px;stroke:var(--blue);stroke-width:1.6;fill:none;}
.app:hover svg{stroke:var(--yellow);}
.app b{font-size:15px;}
.app p{font-size:13px;color:var(--steel);line-height:1.6;}

/* ================= 关于/实力 ================= */
.split{display:grid;gap:22px;}
.split-media{position:relative;}
.split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.split-media .cap{
  position:absolute;left:0;bottom:0;background:var(--ink);color:#DCE5E3;font-size:12px;
  padding:7px 14px;letter-spacing:.02em;
}
.split-body h3{font-size:clamp(21px,3.6vw,28px);margin-bottom:14px;}
.split-body p{color:var(--steel);font-size:14px;margin-bottom:12px;max-width:62ch;}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0 22px;}
.fact{border-left:3px solid var(--yellow);padding-left:12px;}
.fact b{display:block;font-family:var(--num);font-size:26px;line-height:1;color:var(--ink);}
.fact span{font-size:12px;color:var(--muted);}
.strip{display:grid;grid-template-columns:1fr;gap:12px;margin-top:26px;}
.strip figure{margin:0;position:relative;overflow:hidden;}
.strip img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.strip figcaption{
  position:absolute;left:0;bottom:0;right:0;padding:22px 14px 9px;font-size:12px;color:#fff;
  background:linear-gradient(0deg,rgba(8,14,17,.78),transparent);
}

/* ================= 优势列表 ================= */
.adv{display:grid;gap:0;}
.adv-row{display:grid;gap:6px;padding:18px 0;border-top:1px solid rgba(255,255,255,.14);}
.adv-row:last-child{border-bottom:1px solid rgba(255,255,255,.14);}
.adv-row h4{font-size:16px;color:var(--white);font-weight:700;}
.adv-row p{font-size:13px;color:#A9B6B8;line-height:1.7;}

/* ================= 案例 ================= */
.cases{display:grid;grid-template-columns:1fr;gap:16px;}
.case{
  background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;
  text-align:left;padding:0;cursor:pointer;
}
.case-img{aspect-ratio:16/10;overflow:hidden;background:var(--paper);position:relative;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;display:block;}
.case:hover .case-img img{transform:scale(1.03);}
.case-badge{
  position:absolute;top:12px;left:12px;background:var(--yellow);color:var(--ink);
  font-size:11px;font-weight:700;padding:4px 9px;letter-spacing:.04em;
}
.case-body{padding:16px;flex:1;display:flex;flex-direction:column;}
.case-title{font-size:15px;font-weight:700;line-height:1.5;}
.case-spec{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;display:grid;gap:5px;}
.case-spec div{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--steel);}
.case-spec span:first-child{color:var(--muted);}
.case-spec .num{font-size:14px;color:var(--ink);}

/* ================= 新闻 ================= */
.news-list{display:grid;gap:0;border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:56px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
  text-align:left;background:none;border-left:0;border-right:0;border-top:0;cursor:pointer;width:100%;
}
.news-date{font-family:var(--num);line-height:1;color:var(--blue);}
.news-date b{display:block;font-size:26px;}
.news-date span{display:block;font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:3px;}
.news-item h4{font-size:15px;font-weight:700;line-height:1.5;}
.news-item p{font-size:13px;color:var(--steel);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover h4{color:var(--blue);}
.news-body{display:none;font-size:13px;color:var(--steel);line-height:1.8;margin-top:10px;}
.news-item.open .news-body{display:block;}
.news-item.open p{display:none;}
.news-item.open .news-more span::before{content:"收起";}
.news-more{display:inline-block;margin-top:8px;font-size:12px;font-weight:700;color:var(--blue);}

/* ================= 订购流程 ================= */
.steps{display:grid;grid-template-columns:1fr;gap:0;counter-reset:none;}
.step{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line);}
.step .n{
  width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line-strong);
  font-family:var(--num);font-size:15px;color:var(--blue);
}
.step b{font-size:14px;font-weight:700;}
.step span{display:block;font-size:12px;color:var(--muted);}

/* ================= CTA ================= */
.cta{background:var(--ink);color:var(--white);position:relative;overflow:hidden;}
.cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border:1px solid #33424A;transform:rotate(45deg);
}
.cta .wrap{position:relative;z-index:2;display:grid;gap:18px;padding-top:44px;padding-bottom:44px;}
.cta h2{font-size:clamp(23px,4.4vw,34px);max-width:24ch;}
.cta p{color:#A9B6B8;font-size:14px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cta-tel{font-family:var(--num);font-size:26px;color:var(--yellow);letter-spacing:.03em;}

/* ================= 页脚 ================= */
.footer{background:var(--graphite);color:#9DAAAF;font-size:13px;}
.footer .wrap{display:grid;gap:24px;padding-top:38px;padding-bottom:26px;}
.f-brand img{height:44px;background:#fff;padding:6px 10px;}
.f-brand p{margin-top:12px;line-height:1.8;max-width:34ch;}
.f-col h5{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--white);letter-spacing:.04em;}
.f-col a,.f-col li,.f-col .fi{display:block;padding:3px 0;color:#9DAAAF;}
.f-col a:hover{color:var(--yellow);}
.f-contact b{display:block;font-family:var(--num);font-size:22px;color:var(--yellow);margin-bottom:6px;letter-spacing:.03em;}
.copyright{border-top:1px solid #2E3A40;}
.copyright .wrap{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;padding-top:14px;padding-bottom:16px;font-size:12px;color:#7E8B90;}

/* ================= 视图容器 ================= */
.view{display:none;}
.view.active{display:block;}
.page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:30px 0 26px;}
.page-head .kicker{margin-bottom:8px;}
.page-head h1{font-size:clamp(25px,5.2vw,42px);}
.page-head p{margin-top:10px;color:var(--steel);font-size:14px;max-width:64ch;}
.crumb{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-top:14px;}
.crumb a:hover{color:var(--blue);}

/* 产品列表条目 */
.pfilters{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;}
.pfilters .cat{min-width:auto;}
.plist{display:grid;gap:16px;}
.pitem{border:1px solid var(--line);background:var(--white);}
.pitem-head{display:grid;grid-template-columns:1fr;gap:0;cursor:pointer;background:none;border:0;padding:0;text-align:left;width:100%;}
.pitem-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper);}
.pitem-img img{width:100%;height:100%;object-fit:cover;}
.pitem-info{padding:16px 18px 18px;}
.pitem-info .pcard-tag{font-family:var(--num);font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;}
.pitem-info h3{font-size:19px;margin:5px 0 8px;}
.pitem-info p{font-size:13px;color:var(--steel);}
.pitem-toggle{display:inline-flex;align-items:center;gap:7px;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue);}
.pitem-toggle svg{width:13px;height:13px;transition:transform .2s;}
.pitem.open .pitem-toggle svg{transform:rotate(180deg);}
.pdetail{display:none;border-top:1px solid var(--line);padding:18px;background:var(--paper);}
.pitem.open .pdetail{display:block;}
.spec-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:13px;}
.spec-table col{width:34%;}
.spec-table th,.spec-table td{border-bottom:1px solid var(--line);padding:8px 4px;text-align:left;vertical-align:top;}
.spec-table th{color:var(--muted);font-weight:500;}
.spec-table td{color:var(--ink);font-weight:500;}
.spec-table td .num{font-size:15px;}
.pdetail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}

/* 关于页 */
.a-block{padding:40px 0;border-bottom:1px solid var(--line);}
.a-block:last-child{border-bottom:0;}
.a-grid{display:grid;gap:22px;}
.a-copy p{font-size:14px;color:var(--steel);margin-bottom:12px;}
.a-copy p strong{color:var(--ink);font-weight:700;}
.honor{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.honor-item{border:1px solid var(--line);padding:16px;background:var(--white);}
.honor-item b{display:block;font-family:var(--num);font-size:22px;color:var(--blue);}
.honor-item span{font-size:12px;color:var(--muted);}
.env-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.env-grid figure{margin:0;position:relative;}
.env-grid img{aspect-ratio:3/2;object-fit:cover;width:100%;}
.env-grid figcaption{position:absolute;left:0;bottom:0;right:0;padding:18px 10px 7px;font-size:11px;color:#fff;background:linear-gradient(0deg,rgba(8,14,17,.75),transparent);}

/* 案例页 */
.case-full{display:grid;gap:0;border:1px solid var(--line);background:var(--white);}
.case-full .cf-img{aspect-ratio:16/10;overflow:hidden;}
.case-full .cf-img img{width:100%;height:100%;object-fit:cover;}
.case-full .cf-body{padding:18px;}
.case-full h3{font-size:18px;margin-bottom:8px;}
.case-full p{font-size:13px;color:var(--steel);}
.case-full .spec-table{margin-top:12px;}

/* 联系页 */
.contact{display:grid;gap:20px;}
.contact-info{border:1px solid var(--line);padding:20px;}
.ci-row{display:grid;grid-template-columns:26px 1fr;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);}
.ci-row:last-child{border-bottom:0;}
.ci-row svg{width:20px;height:20px;stroke:var(--blue);stroke-width:1.6;fill:none;margin-top:3px;}
.ci-row b{display:block;font-size:14px;}
.ci-row span{font-size:13px;color:var(--steel);}
.form{border:1px solid var(--line);padding:20px;background:var(--white);}
.form h3{font-size:18px;margin-bottom:4px;}
.form p.hint{font-size:12px;color:var(--muted);margin-bottom:16px;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:12px;color:var(--steel);margin-bottom:5px;font-weight:500;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line-strong);background:var(--white);padding:10px 11px;
  font-size:16px;font-family:inherit;color:var(--ink);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--blue);outline-offset:-1px;}
.field textarea{min-height:96px;resize:vertical;}
.field-row{display:grid;grid-template-columns:1fr;gap:0;}
.form button{width:100%;margin-top:6px;}
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,18px);z-index:120;
  background:var(--ink);color:#fff;font-size:13px;padding:11px 18px;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;border-left:3px solid var(--yellow);
}
.toast.show{opacity:1;transform:translate(-50%,0);}
.map-note{border:1px solid var(--line);background:var(--paper);padding:18px;margin-top:18px;}
.map-note b{font-size:14px;}
.map-note p{font-size:13px;color:var(--steel);margin-top:6px;}

/* ================= 桌面端 ================= */
@media (min-width:768px){
  :root{--pad:32px;}
  .topbar .mail{display:inline;}
  .figure b{font-size:40px;}
  .apps{grid-template-columns:repeat(3,1fr);}
  .strip{grid-template-columns:repeat(3,1fr);}
  .prod-grid{grid-template-columns:repeat(2,1fr);}
  .cases{grid-template-columns:repeat(2,1fr);}
  .footer .wrap{grid-template-columns:repeat(2,1fr);}
  .news-item{grid-template-columns:66px 1fr;}
  .news-date b{font-size:32px;}
  .honor{grid-template-columns:repeat(3,1fr);}
  .env-grid{grid-template-columns:repeat(3,1fr);}
  .field-row{grid-template-columns:1fr 1fr;gap:12px;}
  .split{grid-template-columns:1fr 1fr;align-items:center;}
}
@media (min-width:1024px){
  :root{--pad:40px;}
  body{font-size:15.5px;}
  .brand img{height:46px;}
  .brand-txt{display:block;}
  .nav{display:flex;}
  .burger{display:none;}
  .btn-quote{display:inline-flex;}
  .header .wrap{height:76px;}
  .nav>li>a{line-height:76px;}
  .hero-slide{height:min(84vh,700px);}
  .figures .wrap{grid-template-columns:repeat(4,1fr);}
  .hero-text{max-width:660px;}
  .sec{padding:72px 0;}
  .sec-head{margin-bottom:38px;}
  .sec-head-row{flex-direction:row;align-items:flex-end;justify-content:space-between;}
  .prod{grid-template-columns:250px 1fr;gap:34px;align-items:start;}
  .cats{flex-direction:column;overflow:visible;gap:0;padding:0;}
  .cat{min-width:0;flex:1 1 auto;border:0;border-bottom:1px solid var(--line);background:none;padding:13px 4px;}
  .cat[aria-selected="true"]{background:var(--ink);padding-left:14px;}
  .cat:first-child{background:none;border-bottom:2px solid var(--ink);}
  .cat:first-child[aria-selected="true"]{background:var(--ink);}
  .prod-grid{grid-template-columns:repeat(3,1fr);gap:16px;}
  .catalog-list{grid-template-columns:repeat(2,1fr);gap:0 28px;}
  .apps{grid-template-columns:repeat(3,1fr);}
  .split{gap:48px;}
  .adv{gap:0;}
  .adv-row{grid-template-columns:220px 1fr;align-items:center;gap:28px;padding:22px 0;}
  .cases{grid-template-columns:repeat(3,1fr);}
  .steps{grid-template-columns:repeat(4,1fr);}
  .pfilters .cat{flex:0 0 auto;padding:11px 14px;border-bottom:0;}
  .cta .wrap{grid-template-columns:1.35fr .65fr;align-items:center;padding-top:58px;padding-bottom:58px;}
  .cta-actions{justify-content:flex-end;flex-wrap:nowrap;}
  .footer .wrap{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .pfilters{gap:0;border-bottom:1px solid var(--line);}
  .pitem-head{grid-template-columns:340px 1fr;}
  .pitem-img{aspect-ratio:4/3;height:100%;}
  .pitem-info{padding:22px 24px;}
  .case-full{grid-template-columns:1fr 1fr;}
  .case-full .cf-img{aspect-ratio:4/3;}
  .case-full .cf-body{padding:24px;}
  .contact{grid-template-columns:1fr 1.1fr;gap:28px;}
  .a-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
  .plist{gap:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
}

/* ================= 深化内容：详情页样式 ================= */
.pd-head{background:var(--graphite);color:#fff;padding:56px 0 40px;position:relative;overflow:hidden;}
.pd-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 100%;pointer-events:none;}
.pd-head .wrap{position:relative;}
.pd-head .crumb{margin-bottom:18px;}
.pd-head .crumb a,.pd-head .crumb span{color:rgba(255,255,255,.62);}
.pd-head .crumb a:hover{color:var(--yellow);}
.pd-kicker{font-family:var(--num);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);}
.pd-head .pd-kicker{color:var(--yellow);margin-bottom:12px;}
.pd-head h1{font-size:clamp(28px,5vw,46px);line-height:1.15;letter-spacing:-.02em;max-width:22em;}
.pd-lead{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:44em;}
.pd-hlrow{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:34px;background:rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14);}
.pd-hl{background:var(--graphite);padding:18px 0 4px;}
.pd-hl .num{display:block;font-family:var(--num);font-size:30px;line-height:1;color:#fff;}
.pd-hl .num em{font-style:normal;font-size:12px;letter-spacing:.1em;color:var(--yellow);margin-left:6px;}
.pd-hl span{display:block;margin-top:8px;font-size:12px;color:rgba(255,255,255,.6);}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;}

.pd-wrap{display:block;padding:0 0 64px;}
.pd-main{min-width:0;}
.pd-media{margin:0 0 40px;border-bottom:3px solid var(--yellow);}
.pd-media img{width:100%;height:auto;}
.bp{position:relative;background:
   linear-gradient(var(--line) 1px,transparent 1px) 0 0/100% 22px,
   linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/22px 100%,
   var(--paper);min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;
   gap:10px;text-align:center;padding:26px 16px;}
.bp-lg{min-height:280px;}
.bp-code{font-family:var(--num);font-size:clamp(18px,3.4vw,30px);letter-spacing:.06em;color:var(--steel);}
.bp-note{font-size:12px;line-height:1.6;color:var(--muted);max-width:24em;}

.pd-sec{padding:34px 0;border-top:1px solid var(--line);}
.pd-sec h2{font-size:clamp(20px,3vw,26px);margin:6px 0 18px;}
.pd-prose p{margin:0 0 14px;line-height:1.9;color:var(--graphite);max-width:40em;}
.pd-list{display:grid;grid-template-columns:1fr;gap:0;}
.pd-li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);align-items:baseline;}
.pd-li .pd-num{font-family:var(--num);font-size:13px;color:var(--yellow);flex:0 0 26px;}
.pd-li>div{line-height:1.75;color:var(--graphite);}
.pd-adv{list-style:none;margin:0;padding:0;}
.pd-adv li{position:relative;padding:10px 0 10px 22px;border-bottom:1px solid var(--line);line-height:1.75;}
.pd-adv li::before{content:"";position:absolute;left:0;top:18px;width:10px;height:2px;background:var(--blue);}

.tbl-wrap{overflow-x:auto;}
.spec-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px;}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top;}
.spec-table th{background:var(--paper);font-weight:700;color:var(--graphite);}
.spec-table td{color:var(--ink);}
.cmp3{width:100%;border-collapse:collapse;min-width:560px;font-size:14px;}
.cmp3 th,.cmp3 td{border:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top;}
.cmp3 thead th{background:var(--graphite);color:#fff;border-color:var(--graphite);}
.cmp3 tbody tr:nth-child(even) td{background:var(--paper);}

.chiprow{display:flex;flex-wrap:wrap;gap:8px;}
.chip2{display:inline-block;padding:7px 12px;border:1px solid var(--line-strong);font-size:13px;line-height:1.4;background:#fff;transition:border-color .15s,color .15s;}
.chip2:hover{border-color:var(--blue);color:var(--blue);}

.pd-fine{margin-top:12px;font-size:12px;line-height:1.7;color:var(--muted);}
.pd-cta{margin-top:36px;background:var(--paper);border-left:3px solid var(--yellow);padding:24px;}
.pd-cta h3{font-size:18px;margin-bottom:8px;}
.pd-cta p{color:var(--steel);font-size:14px;line-height:1.8;max-width:40em;}
.pd-cta-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}

.pd-side{margin-top:0;}
.pd-side-card{border:1px solid var(--line);padding:18px;margin-top:24px;background:#fff;}
.pd-side-card h4{font-size:16px;margin:6px 0 12px;}
.spec-mini{width:100%;border-collapse:collapse;font-size:12.5px;}
.spec-mini th,.spec-mini td{border-bottom:1px solid var(--line);padding:7px 4px;text-align:left;vertical-align:top;}
.spec-mini th{color:var(--muted);font-weight:500;width:44%;}
.btn-full{display:block;width:100%;text-align:center;margin-top:14px;}
.pd-side-note{margin-top:10px;font-size:12px;color:var(--muted);}
.pd-side-doc p{font-size:12.5px;line-height:1.8;color:var(--steel);}

/* 产品卡 */
.pcard2{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;transition:border-color .2s,box-shadow .2s;}
.pcard2:hover{border-color:var(--line-strong);box-shadow:0 10px 30px rgba(16,22,25,.07);}
.pcard2-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.pcard2-media{position:relative;overflow:hidden;}
.pcard2-media::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--yellow);transition:width .25s;}
.pcard2:hover .pcard2-media::after{width:100%;}
.pcard2-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.pcard2-body h3{font-size:18px;}
.pcard2-body p{font-size:13.5px;line-height:1.75;color:var(--steel);}
.phl{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:6px;border-top:1px solid var(--line);padding-top:10px;}
.phl .num{display:block;font-size:19px;line-height:1.1;color:var(--blue);}
.phl .num em{font-style:normal;font-size:10px;color:var(--muted);margin-left:3px;}
.phl span{display:block;font-size:11px;line-height:1.5;color:var(--muted);margin-top:4px;}
.pgo{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:12px;font-size:12.5px;letter-spacing:.06em;color:var(--blue);text-transform:uppercase;font-family:var(--num);}
.pgo svg{width:15px;height:15px;}

/* 案例卡 */
.ccard{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;transition:border-color .2s,box-shadow .2s;}
.ccard:hover{border-color:var(--line-strong);box-shadow:0 10px 30px rgba(16,22,25,.07);}
.ccard-media{position:relative;}
.ccard-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.ccard-date{position:absolute;left:0;bottom:0;background:var(--graphite);color:#fff;font-size:12px;padding:4px 8px;letter-spacing:.08em;}
.ccard-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.ccard-body h3{font-size:16px;line-height:1.5;}
.ccard-body p{font-size:13px;line-height:1.75;color:var(--steel);}

/* 时间线 */
.tl{display:grid;grid-template-columns:76px 18px 1fr;align-items:start;row-gap:0;}
.tl-when{font-size:12px;color:var(--muted);padding:14px 0;letter-spacing:.04em;}
.tl-dot{justify-self:center;width:9px;height:9px;border-radius:50%;background:var(--yellow);margin-top:18px;position:relative;}
.tl-dot::after{content:"";position:absolute;left:4px;top:9px;width:1px;height:calc(100% + 34px);background:var(--line);}
.tl-row:last-child .tl-dot::after{display:none;}
.tl-what{padding:12px 0 12px 12px;border-bottom:1px solid var(--line);line-height:1.75;}

/* 技术文章 */
.arow{display:grid;grid-template-columns:1fr;gap:2px;padding:16px 0;border-bottom:1px solid var(--line);}
.arow:hover .arow-title{color:var(--blue);}
.arow-cat{font-family:var(--num);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--yellow);}
.arow-title{font-size:15.5px;font-weight:700;line-height:1.6;transition:color .15s;}
.arow-date{font-size:12px;color:var(--muted);}
.ad-wrap{max-width:820px;padding:48px 20px 72px;}
.ad-cat{font-family:var(--num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:12px;}
.ad-wrap h1{font-size:clamp(24px,4vw,34px);line-height:1.35;}
.ad-lead{margin-top:16px;padding-left:14px;border-left:3px solid var(--yellow);font-size:16px;line-height:1.85;color:var(--steel);}
.ad-body{margin-top:26px;}
.ad-body p{margin:0 0 18px;line-height:1.95;color:var(--graphite);font-size:15.5px;}
.ad-rel{margin-top:44px;}
.ad-rel h3{font-size:17px;margin:6px 0 8px;}

.pgrid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px;}
.cgrid{display:grid;grid-template-columns:1fr;gap:16px;}
.alist{margin-top:8px;}

@media(min-width:768px){
  .pgrid,.cgrid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .pd-head{padding:72px 0 52px;}
  .pd-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;}
  .pd-side{position:sticky;top:96px;}
  .pd-list{grid-template-columns:1fr 1fr;column-gap:28px;}
  .arow{grid-template-columns:96px 1fr auto;align-items:baseline;gap:14px;}
  .pcard2{flex-direction:row;}
  .pcard2-media{flex:0 0 44%;}
  .pcard2-media img{height:100%;}
  .ad-wrap{padding:64px 20px 88px;}
}
@media(min-width:1024px){
  .pcard2-media{flex:0 0 40%;}
}

/* 分类切换后的初始渲染 */



/* ---------- 静态站补充 ---------- */
.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:0 10px;font-size:12px;line-height:1;color:#C8D2D6;text-decoration:none;}
.lang-switch a+a{border-left:1px solid #3A464C;}
.lang-switch a.ls-on{background:var(--yellow);color:var(--ink);font-weight:700;}
.view.active{display:block;}
body:not(.is-en) .en{display:none !important;}
body.is-en .zh{display:none !important;}
/* 旧站迁移页补充 */
.ad-fig{margin:26px 0;}
.ad-fig img{width:100%;height:auto;border-radius:3px;display:block;}
.ad-body h3{margin:30px 0 10px;font-size:19px;line-height:1.35;font-weight:700;}
a.pcard{text-decoration:none;color:inherit;}
.form-tip{margin:10px 0 0;font-size:13px;line-height:1.6;color:#0B5D3B;display:none;}
.form-tip.show{display:block;}
.form-tip.bad{color:#B4272B;}