/* ============================================================
   HermiCore — 高科技工业风格样式表
   ============================================================ */
:root{
  --navy-900:#070f1d;
  --navy-800:#0a1830;
  --navy-700:#0e2244;
  --navy-600:#12305f;
  --blue:#0d6efd;
  --blue-2:#3d9bff;
  --cyan:#39c6ff;
  --text:#1c2b3a;
  --muted:#5c6b7a;
  --light:#f4f7fb;
  --line:#e3e9f1;
  --ok:#0aa06a;
  --radius:10px;
  --shadow:0 10px 30px rgba(9,30,60,.08);
  --shadow-lg:0 20px 50px rgba(9,30,60,.14);
  --font:"Segoe UI","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-2)}
.container{width:min(1240px,92%);margin:0 auto}
section{padding:72px 0}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:8px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:all .25s;line-height:1.2}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 8px 20px rgba(13,110,253,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(13,110,253,.45);color:#fff}
.btn-outline{border-color:#c8d6e6;color:var(--navy-800);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-lg{padding:15px 34px;font-size:16px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,15,29,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{width:42px;height:42px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;box-shadow:0 6px 16px rgba(13,110,253,.4)}
.brand-mark.sm{width:34px;height:34px;font-size:18px}
.brand-text strong{font-size:20px;letter-spacing:.5px;display:block;line-height:1.1}
.brand-text small{font-size:11px;color:#9db4cf;letter-spacing:.4px}
.main-nav ul{display:flex;list-style:none;gap:4px}
.main-nav a{display:flex;flex-direction:column;align-items:center;padding:10px 14px;color:#c9d8ea;font-size:15px;border-radius:8px;line-height:1.15}
.main-nav a small{font-size:9.5px;color:#6f87a5;letter-spacing:1.5px}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav li.active a{color:#fff;background:rgba(13,110,253,.22)}
.main-nav li.active a small{color:var(--cyan)}
.header-contact{margin-left:auto;display:flex;align-items:center;gap:14px}
.htel{color:#8fb2dd;font-size:13px;letter-spacing:1px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:34px;height:34px;flex-direction:column;gap:5px;justify-content:center;align-items:center}
.nav-toggle span{width:22px;height:2px;background:#fff;display:block;transition:.25s}
@media(max-width:1080px){
  .header-contact{display:none}
}
@media(max-width:920px){
  .nav-toggle{display:flex;margin-left:auto}
  .main-nav{position:fixed;top:74px;left:0;right:0;background:var(--navy-900);display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:10px 0}
  .main-nav a{align-items:flex-start;padding:13px 22px}
  .main-nav a small{display:none}
}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;color:#fff;background:radial-gradient(1100px 500px at 78% -10%,#16418a 0%,transparent 60%),linear-gradient(150deg,var(--navy-900) 0%,var(--navy-700) 55%,#0b2b5c 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 0h60v60H0z' fill='none' stroke='%23ffffff' stroke-opacity='.04'/%3E%3C/svg%3E");pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center;padding:96px 0 84px;z-index:1}
.hero-tag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(57,198,255,.5);color:var(--cyan);background:rgba(57,198,255,.08);padding:6px 16px;border-radius:30px;font-size:12.5px;letter-spacing:2px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:800;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(90deg,#4da8ff,#39c6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#b9cbe0;font-size:17px;max-width:640px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:640px}
.hstat{border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:14px 16px;background:rgba(255,255,255,.05)}
.hstat b{display:block;font-size:24px;color:#fff;font-weight:800}
.hstat b i{font-style:normal;color:var(--cyan);font-size:15px}
.hstat span{font-size:12px;color:#93aac6}
.hero-visual{display:flex;align-items:center;justify-content:center}
.hero-ring{position:relative;width:min(100%,400px);aspect-ratio:1}
.hero-ring .ring{position:absolute;inset:0;border-radius:50%;border:1px dashed rgba(77,168,255,.35);animation:spin 26s linear infinite}
.hero-ring .ring.r2{inset:9%;animation-duration:34s;animation-direction:reverse;border-style:solid;border-color:rgba(57,198,255,.18)}
.hero-ring .core{position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#2e6fd8,#0b2b5c 70%);box-shadow:0 0 60px rgba(61,155,255,.5),inset 0 0 40px rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center}
.hero-ring .core img{width:72%;height:72%;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(0,0,0,.5))}
.hero-ring .dot{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.hero-ring .dot.d1{top:6%;left:30%}.hero-ring .dot.d2{bottom:10%;right:16%}.hero-ring .dot.d3{bottom:28%;left:4%}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:920px){
  .hero-inner{grid-template-columns:1fr;padding:64px 0 56px}
  .hero-visual{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 通用区块标题 ---------- */
.sec-head{text-align:center;max-width:760px;margin:0 auto 48px}
.sec-head .kicker{color:var(--blue);font-size:13px;letter-spacing:3px;font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,3vw,38px);color:var(--navy-900);font-weight:800;margin:8px 0 14px}
.sec-head h2 em{font-style:normal;color:var(--blue)}
.sec-head p{color:var(--muted)}
.sec-head.left{text-align:left;margin-left:0}

/* ---------- 产品分类卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 0 24px;transition:all .3s;overflow:hidden;display:flex;flex-direction:column}
.cat-card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--blue),var(--cyan));opacity:0;transition:.3s;z-index:2}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.cat-card:hover::after{opacity:1}
.cat-img{height:170px;background:linear-gradient(160deg,#eef4fc,#f8fbfe);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:18px}
.cat-img img{max-width:88%;max-height:88%;object-fit:contain;transition:transform .5s}
.cat-card:hover .cat-img img{transform:scale(1.07)}
.cat-card h3{font-size:19px;color:var(--navy-900);margin:0 26px 4px}
.cat-card h3 small{display:block;font-size:12px;color:var(--blue);font-weight:600;letter-spacing:.5px;margin-top:2px}
.cat-card p{color:var(--muted);font-size:13.5px;margin:10px 26px 16px;flex:1}
.cat-card .more{font-size:13.5px;font-weight:600;margin:0 26px}
.cat-card .count{position:absolute;right:22px;top:22px;font-size:11px;color:#93a5bc;border:1px solid var(--line);padding:2px 10px;border-radius:20px;background:rgba(255,255,255,.92);z-index:1}
@media(max-width:920px){.cat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.cat-grid{grid-template-columns:1fr}}

/* ---------- 产品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.prod-card .thumb{position:relative;aspect-ratio:4/3;background:linear-gradient(160deg,#eef4fc,#f8fbfe);overflow:hidden}
.prod-card .thumb img{width:100%;height:100%;object-fit:contain;padding:14px;transition:transform .5s}
.prod-card:hover .thumb img{transform:scale(1.06)}
.prod-card .cat-tag{position:absolute;left:12px;top:12px;font-size:11px;background:rgba(7,15,29,.78);color:#fff;padding:3px 10px;border-radius:20px;letter-spacing:.5px}
.prod-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.prod-card h3{font-size:15.5px;color:var(--navy-900);font-weight:700;line-height:1.35}
.prod-card h3 small{display:block;font-size:11.5px;color:var(--blue);font-weight:600;margin-top:2px}
.prod-card p{font-size:12.5px;color:var(--muted);margin:8px 0 14px;flex:1}
.prod-card .meta{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:12px}
.prod-card .model{font-family:Consolas,Menlo,monospace;font-size:12px;color:#7a8ba0}
.prod-card .go{font-size:12.5px;font-weight:700}
@media(max-width:1080px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.prod-grid{grid-template-columns:1fr}}

/* ---------- 关于 / 能力 区块 ---------- */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-split .txt h2{font-size:clamp(24px,3vw,34px);color:var(--navy-900);font-weight:800;margin:10px 0 18px}
.about-split .txt p{color:var(--muted);margin-bottom:14px}
.about-split .img-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.about-split .img-wrap img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-split .img-wrap .cap{position:absolute;left:16px;bottom:16px;background:rgba(7,15,29,.8);color:#fff;font-size:12.5px;padding:7px 14px;border-radius:7px;backdrop-filter:blur(4px)}
@media(max-width:920px){.about-split{grid-template-columns:1fr;gap:30px}}

.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.feature{background:var(--light);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.3s}
.feature:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px)}
.feature .fi{font-size:30px;margin-bottom:12px}
.feature h4{font-size:16px;color:var(--navy-900);margin-bottom:8px}
.feature p{font-size:13px;color:var(--muted)}
@media(max-width:920px){.feature-row{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.feature-row{grid-template-columns:1fr}}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue),var(--cyan))}
.tl-item{position:relative;padding:0 0 34px 26px}
.tl-item::before{content:"";position:absolute;left:-32px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--blue);box-shadow:0 0 0 4px rgba(13,110,253,.15)}
.tl-item .year{display:inline-block;font-weight:800;color:var(--blue);font-size:15px;letter-spacing:1px}
.tl-item h4{font-size:17px;color:var(--navy-900);margin:4px 0 6px}
.tl-item p{color:var(--muted);font-size:13.5px}

/* ---------- 应用领域 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.app-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:.3s}
.app-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#cfe0ff}
.app-card .ai{font-size:30px;flex-shrink:0;width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,rgba(13,110,253,.12),rgba(57,198,255,.14));display:flex;align-items:center;justify-content:center}
.app-card h4{font-size:16px;color:var(--navy-900);margin-bottom:6px}
.app-card p{font-size:13px;color:var(--muted)}
@media(max-width:920px){.app-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.app-grid{grid-template-columns:1fr}}

/* ---------- 工厂相册 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery .g-item{position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;background:var(--navy-800)}
.gallery .g-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.gallery .g-item:hover img{transform:scale(1.07)}
.gallery .g-item .g-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;background:linear-gradient(transparent,rgba(7,15,29,.85));color:#fff;font-size:13px}
@media(max-width:920px){.gallery{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}

/* ---------- 内页页头 ---------- */
.page-hero{background:linear-gradient(150deg,var(--navy-900),var(--navy-700) 60%,#0b2b5c);color:#fff;padding:64px 0 54px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 0h60v60H0z' fill='none' stroke='%23ffffff' stroke-opacity='.04'/%3E%3C/svg%3E")}
.page-hero h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;position:relative}
.page-hero .crumb{color:#8fb2dd;font-size:13px;letter-spacing:1px;margin-top:10px;position:relative}
.page-hero .crumb a{color:#cfe0ff}
.page-hero .crumb a:hover{color:#fff}
.page-hero p.sub{color:#b9cbe0;max-width:720px;margin-top:14px;font-size:15px;position:relative}

/* ---------- 分类页 / 列表页布局 ---------- */
.layout{display:grid;grid-template-columns:250px 1fr;gap:34px;padding:52px 0 72px}
.sidebar .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:sticky;top:96px}
.sidebar h4{font-size:13px;color:var(--muted);letter-spacing:2px;margin-bottom:14px;text-transform:uppercase}
.sidebar ul{list-style:none}
.sidebar li a{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:8px;color:var(--text);font-size:14px;margin-bottom:2px}
.sidebar li a small{color:#93a5bc;font-size:11.5px}
.sidebar li a:hover{background:var(--light);color:var(--blue)}
.sidebar li.active a{background:linear-gradient(135deg,rgba(13,110,253,.12),rgba(57,198,255,.12));color:var(--blue);font-weight:600}
.sidebar .contact-mini{margin-top:16px;background:linear-gradient(150deg,var(--navy-800),var(--navy-700));color:#cfe0ff;border-radius:10px;padding:18px}
.sidebar .contact-mini h5{color:#fff;font-size:15px;margin-bottom:8px}
.sidebar .contact-mini p{font-size:12.5px;margin-bottom:10px}
.main-area .list-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:8px}
.main-area .list-head h2{font-size:24px;color:var(--navy-900);font-weight:800}
.main-area .list-head span{color:var(--muted);font-size:13px}
@media(max-width:920px){
  .layout{grid-template-columns:1fr}
  .sidebar .panel{position:static}
}

/* ---------- 产品详情页 ---------- */
.detail{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;padding:52px 0 30px}
.gallery-main{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,#eef4fc,#f8fbfe);padding:26px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.gallery-main img{max-width:100%;max-height:100%;object-fit:contain}
.gallery-thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.gallery-thumbs .th{width:74px;height:62px;border:2px solid var(--line);border-radius:8px;overflow:hidden;cursor:pointer;background:#fff;padding:4px}
.gallery-thumbs .th img{width:100%;height:100%;object-fit:contain}
.gallery-thumbs .th.on{border-color:var(--blue)}
.detail-info .crumbs{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.detail-info h1{font-size:clamp(24px,3vw,32px);color:var(--navy-900);font-weight:800;line-height:1.3}
.detail-info .en-name{color:var(--blue);font-weight:600;font-size:15px;margin:6px 0 4px;display:block}
.detail-info .model-chip{display:inline-block;font-family:Consolas,Menlo,monospace;font-size:13px;background:var(--navy-800);color:var(--cyan);padding:5px 14px;border-radius:6px;margin:10px 0 16px}
.detail-info .desc{color:var(--muted);font-size:14.5px;margin-bottom:22px;border-left:3px solid var(--blue);padding-left:16px}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:26px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:11px 14px;font-size:13.5px;text-align:left}
.spec-table th{background:var(--light);color:var(--navy-800);font-weight:600;width:34%;white-space:nowrap}
.spec-table tr:hover td{background:#f7faff}
.quote-bar{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
@media(max-width:920px){.detail{grid-template-columns:1fr;gap:34px}}

/* ---------- 图标（线性 SVG，工业风格） ---------- */
.fi, .ai, .si, .ci-ico { color: var(--blue); }
.fi svg, .ai svg, .si svg, .ci-ico svg { display: block; }

/* ---------- 滚动显示动画 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 博客 / 文章 ---------- */
.blog-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe0ff}
.blog-card .bc-img{height:180px;background:var(--navy-800);overflow:hidden}
.blog-card .bc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.blog-card:hover .bc-img img{transform:scale(1.06)}
.blog-card .bc-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.blog-card .bc-date{font-size:11.5px;color:var(--blue);font-weight:600;letter-spacing:.5px;margin-bottom:8px;text-transform:uppercase}
.blog-card h3{font-size:16.5px;color:var(--navy-900);line-height:1.4;margin-bottom:8px}
.blog-card h2{font-size:20px;color:var(--navy-900);line-height:1.35;margin-bottom:10px}
.blog-card p{font-size:13px;color:var(--muted);flex:1}
.blog-card .more{font-size:13px;font-weight:700;margin-top:12px}
.blog-card.wide{flex-direction:row;grid-column:1 / -1}
.blog-card.wide .bc-img{height:auto;min-height:190px;width:38%;flex-shrink:0}
@media(max-width:760px){.blog-list{grid-template-columns:1fr}.blog-card.wide{flex-direction:column}.blog-card.wide .bc-img{width:100%;height:180px}}

/* 文章详情 */
.article{padding:48px 0 20px}
.article-head h1{font-size:clamp(26px,3.4vw,38px);color:var(--navy-900);font-weight:800;line-height:1.25;margin:10px 0 14px}
.article-head .lead{font-size:17px;color:var(--muted);margin-bottom:24px}
.article-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:30px}
.article-img img{width:100%;max-height:420px;object-fit:cover}
.article-body{font-size:15.5px;line-height:1.9;color:#2a3949}
.article-body p{margin-bottom:18px}
.article-body h2{font-size:23px;color:var(--navy-900);font-weight:800;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--blue)}
.article-body h3{font-size:18px;color:var(--navy-900);font-weight:700;margin:26px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:8px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;font-size:13.5px;text-align:left}
.article-body th{background:var(--light);color:var(--navy-800)}
.article-foot{border-top:1px solid var(--line);margin-top:44px;padding-top:34px}
.article-foot h4{font-size:16px;color:var(--navy-900);margin-bottom:18px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;padding:60px 0 80px}
.contact-info .ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-info .ci .ci-ico{width:46px;height:46px;flex-shrink:0;border-radius:10px;background:linear-gradient(135deg,rgba(13,110,253,.12),rgba(57,198,255,.14));display:flex;align-items:center;justify-content:center;font-size:20px}
.contact-info .ci h4{font-size:15px;color:var(--navy-900);margin-bottom:4px}
.contact-info .ci p{font-size:13.5px;color:var(--muted)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.contact-form h3{font-size:22px;color:var(--navy-900);margin-bottom:6px}
.contact-form .sub{color:var(--muted);font-size:13px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--navy-800);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid #d5deea;border-radius:8px;font-size:14px;font-family:inherit;background:#fbfcfe;transition:.2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(13,110,253,.12);background:#fff}
.form-group textarea{min-height:130px;resize:vertical}
.form-note{font-size:12px;color:#93a5bc;margin-top:14px}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-alert{border-radius:10px;padding:18px 20px;margin-bottom:22px;font-size:14px;border:1px solid #f3c9c4;background:#fdf1f0;color:#8f2f1f}
.form-alert ul{margin:8px 0 0 18px}
.form-alert.ok{border-color:#bfe8d5;background:#eefaf4;color:#0a6b46}
.form-alert.ok h4{font-size:17px;margin-bottom:8px}
.form-alert.ok p{margin-bottom:14px}
.form-alert.ok .btn{margin-top:4px}
@media(max-width:920px){.contact-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}

/* ---------- 其他 ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:#fff;text-align:center;padding:64px 20px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 0h60v60H0z' fill='none' stroke='%23ffffff' stroke-opacity='.05'/%3E%3C/svg%3E")}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;position:relative}
.cta-band p{color:#b9cbe0;margin:12px auto 28px;max-width:640px;position:relative;font-size:15px}
.cta-band .btn{position:relative}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:760px){.two-col{grid-template-columns:1fr}}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:st}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px 20px;text-align:center}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);position:absolute;top:14px;left:16px;font-size:12px;font-weight:800;color:var(--blue);letter-spacing:1px}
.step .si{font-size:30px;margin-bottom:10px}
.step h4{font-size:15px;color:var(--navy-900);margin-bottom:6px}
.step p{font-size:12.5px;color:var(--muted)}
@media(max-width:920px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* 页脚 */
.site-footer{background:var(--navy-900);color:#9db4cf;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:1px}
.footer-col h4 small{display:block;font-size:10px;color:#5f7693;letter-spacing:2px;margin-top:3px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#9db4cf;font-size:13.5px}
.footer-col ul a:hover{color:#fff;padding-left:4px}
.footer-col ul a em{font-style:normal;font-size:10.5px;color:#5f7693;display:block}
.f-about p{font-size:13.5px;margin-bottom:8px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;margin-bottom:16px}
.f-slogan{color:var(--cyan);font-size:13px;letter-spacing:1px}
.f-market{font-size:12.5px;color:#6f87a5;border-top:1px solid rgba(255,255,255,.1);padding-top:12px;margin-top:12px}
.footer-contact p{font-size:13px;margin-bottom:12px;line-height:1.75}
.footer-contact p strong{color:#c9d8ea;font-weight:600}
.footer-contact p small{color:#6f87a5;font-size:11.5px;display:block}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;font-size:12.5px;color:#6f87a5}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:920px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* 灯箱 */
.lightbox{position:fixed;inset:0;background:rgba(5,10,20,.92);z-index:999;display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:8px}
.lightbox .close{position:absolute;top:22px;right:30px;color:#fff;font-size:34px;cursor:pointer;line-height:1;background:none;border:0}
.lightbox .prev,.lightbox .next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);color:#fff;border:0;width:48px;height:48px;border-radius:50%;font-size:20px;cursor:pointer}
.lightbox .prev{left:18px}.lightbox .next{right:18px}

/* ---------- SEO 内容块（分类说明 / 产品技术内容 / 页头标签） ---------- */
.page-hero .kicker{color:var(--cyan);font-size:13px;letter-spacing:3px;font-weight:700;text-transform:uppercase;position:relative;margin-top:8px}
.cat-intro{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:16px 20px;color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:28px}
.tech-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);margin:6px 0 46px}
.tech-block h3{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:2.5px;text-transform:uppercase;margin:22px 0 10px}
.tech-block h3:first-child{margin-top:0}
.tech-block p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0}
.app-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 28px;margin:6px 0 0;padding-left:22px}
.app-list li{color:var(--text);font-size:14px;line-height:1.6}
@media(max-width:560px){.app-list{grid-template-columns:1fr}}