/* ============================================================
   Bonetek 昆山博锋新精密电子有限公司 — 工业风格站点样式
   ============================================================ */
:root{
  --ink:#141b24;
  --steel:#1e2a38;
  --steel-2:#27394c;
  --steel-3:#31465c;
  --paper:#f4f6f8;
  --white:#ffffff;
  --line:#dbe3ea;
  --accent:#f7a41d;
  --accent-dark:#cf8306;
  --muted:#5f7186;
  --txt:#243342;
  --shadow:0 12px 32px rgba(20,27,36,.14);
  --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;
  color:var(--txt);background:var(--paper);line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* ---------- 通用 ---------- */
.hazard{height:5px;background:linear-gradient(90deg,var(--accent) 0 180px,var(--steel-3) 180px 100%)}
.btn{
  display:inline-block;padding:12px 30px;background:var(--accent);color:var(--ink);
  font-weight:700;letter-spacing:.06em;border:none;cursor:pointer;border-radius:4px;
  transition:.25s;font-size:15px;
}
.btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn-line{background:transparent;border:2px solid var(--accent);color:var(--accent-dark)}
.btn-line:hover{background:var(--accent);color:var(--ink)}

.section{padding:78px 0}
.section.alt{background:var(--white)}
.section-head{margin-bottom:46px}
.section-head .label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.35em;
  text-transform:uppercase;color:var(--accent-dark);margin-bottom:10px;
}
.section-head h2{font-size:32px;color:var(--ink);letter-spacing:.04em;line-height:1.3}
.section-head .rule{
  width:74px;height:6px;margin-top:16px;
  background:linear-gradient(90deg,var(--accent) 0 44px,var(--ink) 44px 56px,transparent 56px);
}
.section-head.center{text-align:center}
.section-head.center .rule{margin:16px auto 0;background:linear-gradient(90deg,transparent 0,var(--accent) 12px,var(--accent) 60px,transparent 60px)}
.section-head p.lead{color:var(--muted);margin-top:14px;max-width:760px}

.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 顶部 ---------- */
.topbar{background:#0e141c;color:#9db0c3;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:14px}
.topbar a:hover{color:var(--accent)}
.topbar .tb-group{display:flex;gap:22px;white-space:nowrap;overflow:hidden}
.site-header{
  position:sticky;top:0;z-index:900;background:#ffffff;
  box-shadow:0 2px 16px rgba(20,27,36,.10);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:18px}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.brand-logo{height:46px;width:auto;display:block}
.brand-plate{display:inline-block;background:#fff;padding:9px 14px;border-radius:6px}
.brand-mark{
  width:50px;height:50px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:900;position:relative;flex:none;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand-mark::after{content:"";position:absolute;left:0;bottom:0;width:14px;height:14px;background:var(--ink)}
.brand-text{line-height:1.25;min-width:0}
.brand-text strong{display:block;color:#fff;font-size:19px;letter-spacing:.08em;white-space:nowrap}
.brand-text span{display:block;color:#8fa3b8;font-size:10.5px;letter-spacing:.14em;white-space:nowrap;text-transform:uppercase}
.main-nav{display:flex;gap:4px}
.main-nav a{
  color:var(--steel-2);padding:8px 15px;font-size:15px;letter-spacing:.05em;
  border-bottom:3px solid transparent;transition:.2s;white-space:nowrap;
}
.main-nav a:hover{color:var(--accent-dark)}
.main-nav a.active{color:var(--ink);border-bottom-color:var(--accent);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.lang-btn{
  background:transparent;border:2px solid var(--accent);color:var(--accent-dark);
  padding:5px 14px;font-weight:700;letter-spacing:.1em;cursor:pointer;border-radius:3px;font-size:13px;transition:.2s;
}
.lang-btn:hover{background:var(--accent);color:var(--ink)}
.nav-toggle{display:none;background:none;border:none;color:var(--ink);font-size:26px;cursor:pointer}

/* ---------- 首页 Hero ---------- */
.hero{background:var(--steel);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    repeating-linear-gradient(0deg,transparent 0 79px,rgba(255,255,255,.04) 79px 80px),
    repeating-linear-gradient(90deg,transparent 0 79px,rgba(255,255,255,.04) 79px 80px);
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;
  padding:74px 0 84px;position:relative;
}
.hero-copy .kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:.4em;text-transform:uppercase;margin-bottom:20px;
}
.hero-copy .kicker::before{content:"";width:34px;height:3px;background:var(--accent)}
.hero-copy h1{color:#fff;font-size:44px;line-height:1.25;letter-spacing:.03em}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-copy .sub{color:#b7c6d6;font-size:17px;margin:22px 0 34px;max-width:540px}
.hero-copy .actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-figure img{width:100%;height:460px;object-fit:cover;border-radius:6px;position:relative;z-index:2}
.hero-figure::before{
  content:"";position:absolute;inset:-16px 16px 16px -16px;border:3px solid var(--accent);
  border-radius:6px;z-index:1;
}
.hero-figure::after{
  content:"";position:absolute;right:-8px;bottom:-8px;width:120px;height:10px;z-index:3;
  background:linear-gradient(90deg,var(--accent) 0 70px,var(--ink) 70px 100%);
  clip-path:polygon(0 0,100% 0,100% 100%,10px 100%);
}
.hero .hazard{position:absolute;left:0;right:0;bottom:0}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink);position:relative}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);padding:34px 22px}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:rgba(255,255,255,.12)}
.stat b{display:block;color:var(--accent);font-size:38px;line-height:1.1;letter-spacing:.02em}
.stat b small{font-size:20px}
.stat span{color:#8fa3b8;font-size:14px;letter-spacing:.12em}

/* ---------- 产品卡片 ---------- */
.prod-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s;position:relative;display:flex;flex-direction:column;
}
.prod-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:.3s;z-index:2;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.prod-card:hover::before{transform:scaleX(1)}
.prod-card .ph{height:212px;overflow:hidden;background:#eef1f4}
.prod-card .ph img{width:100%;height:100%;object-fit:cover;transition:.45s}
.prod-card:hover .ph img{transform:scale(1.06)}
.prod-card .bd{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.prod-card h3{color:var(--ink);font-size:19px;margin-bottom:8px;letter-spacing:.02em}
.prod-card h3 small{display:block;color:var(--muted);font-size:12.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;margin-top:3px}
.prod-card p{color:var(--muted);font-size:14.5px;flex:1}
.prod-card .no{
  position:absolute;top:12px;right:14px;z-index:2;background:var(--ink);color:var(--accent);
  font-size:12px;font-weight:800;padding:3px 10px;letter-spacing:.08em;border-radius:3px;
}

/* ---------- 新品宽幅卡片（AI 服务器电源控制柜） ---------- */
.prod-card.wide{grid-column:1 / -1;flex-direction:row}
.prod-card.wide .ph{height:auto;min-height:300px;flex:1.4;background:#0f1720}
.prod-card.wide .ph img{object-fit:cover;object-position:center}
.prod-card.wide .bd{flex:1;padding:30px 34px;justify-content:center}
.prod-card.wide h3{font-size:24px}
.badge-new{
  display:inline-block;align-self:flex-start;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:800;letter-spacing:.14em;padding:4px 12px;border-radius:3px;margin-bottom:14px;
}
.spec-mini{
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;
  margin:22px 0 0;padding:18px 0 0;border-top:1px dashed var(--line);
}
.spec-mini li{display:flex;flex-direction:column;gap:2px}
.spec-mini b{color:var(--accent-dark);font-size:17px;letter-spacing:.02em}
.spec-mini span{color:var(--muted);font-size:12px;letter-spacing:.06em}
@media (max-width:900px){
  .prod-card.wide{flex-direction:column}
  .prod-card.wide .ph{min-height:0;height:230px}
}

/* ---------- 原创示意线稿容器（浅色白图风格，不刺眼） ---------- */
.ph.img-dwg{background:#f0f3f7}
.ph.img-dwg img{object-fit:contain}
.hero-figure img.dwg{object-fit:contain;background:#f0f3f7}
.prod-note{margin-top:34px;padding:14px 18px;border-left:3px solid var(--accent);background:#eef1f4;color:var(--muted);font-size:13px;letter-spacing:.02em}

/* 分类条 */
.cat-band{
  display:flex;align-items:center;gap:16px;margin:56px 0 30px;
}
.cat-band:first-of-type{margin-top:0}
.cat-band .cn{
  background:var(--ink);color:#fff;font-size:20px;font-weight:700;
  padding:10px 26px;letter-spacing:.1em;position:relative;flex:none;
}
.cat-band .cn::after{content:"";position:absolute;right:-8px;top:0;bottom:0;width:8px;
  background:linear-gradient(180deg,var(--accent) 0 55%,var(--accent-dark) 55% 100%)}
.cat-band .en{color:var(--muted);letter-spacing:.28em;text-transform:uppercase;font-size:13px;font-weight:700}
.cat-band .ln{flex:1;height:1px;background:var(--line)}

/* ---------- 页面横幅 ---------- */
.page-banner{
  background:linear-gradient(100deg,var(--ink) 22%,var(--steel-2) 100%);
  color:#fff;position:relative;overflow:hidden;padding:64px 0 58px;
}
.page-banner::before{
  content:"";position:absolute;right:-40px;top:-40px;width:300px;height:300px;
  border:26px solid rgba(247,164,29,.12);border-radius:50%;
}
.page-banner::after{
  content:"";position:absolute;right:120px;bottom:-60px;width:170px;height:170px;
  border:18px solid rgba(255,255,255,.05);border-radius:50%;
}
.page-banner .label{color:var(--accent);letter-spacing:.4em;font-size:13px;font-weight:700;text-transform:uppercase}
.page-banner h1{font-size:36px;margin-top:10px;letter-spacing:.06em}
.page-banner .crumb{margin-top:14px;font-size:13.5px;color:#93a7bb}
.page-banner .crumb a:hover{color:var(--accent)}
.page-banner .hazard{position:absolute;left:0;right:0;bottom:0}

/* ---------- 新闻 ---------- */
.news-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filter-btn{
  padding:8px 22px;border:1.5px solid var(--line);background:#fff;border-radius:30px;
  cursor:pointer;font-size:14.5px;color:var(--txt);transition:.2s;letter-spacing:.04em;
}
.filter-btn:hover{border-color:var(--accent);color:var(--accent-dark)}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:#fff}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.28s;position:relative;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card .ph{height:190px;overflow:hidden;background:#e8edf2;position:relative}
.news-card .ph img{width:100%;height:100%;object-fit:cover;transition:.45s}
.news-card:hover .ph img{transform:scale(1.06)}
.news-card .cat{
  position:absolute;left:14px;top:14px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:3px;letter-spacing:.08em;
}
.news-card .bd{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.news-card time{color:var(--accent-dark);font-size:13px;font-weight:700;letter-spacing:.08em}
.news-card h3{color:var(--ink);font-size:18px;margin:8px 0 10px;line-height:1.45}
.news-card p{color:var(--muted);font-size:14.5px;flex:1}
.news-card .more{
  margin-top:16px;color:var(--steel-3);font-weight:700;font-size:14px;letter-spacing:.06em;
  display:inline-flex;align-items:center;gap:8px;transition:.2s;
}
.news-card .more::after{content:"→";transition:.2s}
.news-card:hover .more{color:var(--accent-dark)}
.news-card:hover .more::after{transform:translateX(5px)}
.news-card .pin{
  position:absolute;right:14px;top:14px;background:var(--ink);color:var(--accent);
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:3px;letter-spacing:.06em;
}
.pager{display:flex;gap:8px;justify-content:center;margin-top:44px}
.pager button{
  min-width:40px;height:40px;border:1.5px solid var(--line);background:#fff;border-radius:6px;
  cursor:pointer;font-size:14.5px;color:var(--txt);transition:.2s;
}
.pager button:hover{border-color:var(--accent)}
.pager button.cur{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:800}
.pager button:disabled{opacity:.35;cursor:not-allowed}

/* 新闻详情 */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:46px 52px;max-width:920px;margin:0 auto}
.article h1{color:var(--ink);font-size:30px;line-height:1.4}
.article .meta{display:flex;gap:20px;color:var(--muted);font-size:14px;margin:16px 0 8px;flex-wrap:wrap}
.article .meta b{color:var(--accent-dark)}
.article .hazard{width:90px;height:6px;margin:18px 0 30px;background:repeating-linear-gradient(-45deg,var(--accent) 0 10px,var(--ink) 10px 20px)}
.article .body{color:var(--txt);font-size:16.5px}
.article .body p{margin-bottom:16px}
.article .body img{border-radius:8px;margin:10px 0}
.article .body h3{margin:24px 0 12px;color:var(--ink)}
.article .body ul{list-style:disc;padding-left:24px;margin-bottom:16px}
.article .back{display:inline-block;margin-top:34px;color:var(--steel-3);font-weight:700}
.article .back:hover{color:var(--accent-dark)}
.load-tip{padding:60px 0;text-align:center;color:var(--muted)}
.load-tip.err{color:#b3431b}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.about-grid .txt h2{font-size:30px;color:var(--ink);margin-bottom:6px}
.about-grid .txt .en-sub{color:var(--muted);letter-spacing:.2em;text-transform:uppercase;font-size:13px;font-weight:700;margin-bottom:22px}
.about-grid .txt p{margin-bottom:15px;color:var(--txt)}
.about-grid .fig{position:relative}
.about-grid .fig img{border-radius:8px;box-shadow:var(--shadow);position:relative;z-index:2}
.about-grid .fig::before{content:"";position:absolute;inset:18px -18px -18px 18px;background:var(--steel);border-radius:8px}
.about-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.badge{
  background:#fff;border:1.5px solid var(--line);border-left:5px solid var(--accent);
  padding:9px 18px;font-size:14px;font-weight:700;color:var(--steel-2);border-radius:4px;
}
.culture-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;position:relative;overflow:hidden;transition:.28s;
}
.culture-card::after{content:"";position:absolute;left:0;bottom:0;height:4px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:.3s}
.culture-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.culture-card:hover::after{transform:scaleX(1)}
.culture-card .idx{font-size:44px;font-weight:900;color:rgba(39,57,76,.1);line-height:1}
.culture-card h3{color:var(--ink);font-size:18px;margin:8px 0 6px}
.culture-card p{color:var(--muted);font-size:14.5px}
.culture-card .en{color:var(--accent-dark);font-size:12.5px;letter-spacing:.06em;margin-top:10px;font-style:italic}

/* 设备 */
.equip-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s}
.equip-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.equip-card .ph{height:190px;overflow:hidden;background:#e8edf2}
.equip-card .ph img{width:100%;height:100%;object-fit:cover;transition:.45s}
.equip-card:hover .ph img{transform:scale(1.06)}
.equip-card .bd{padding:16px 18px;text-align:center}
.equip-card .bd h3{color:var(--ink);font-size:16.5px}
.equip-card .bd span{color:var(--muted);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase}

/* ---------- 招聘 ---------- */
.job-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.job-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.job-card .hd{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:22px 26px;cursor:pointer;user-select:none;
}
.job-card .hd h3{color:var(--ink);font-size:18.5px}
.job-card .hd .tags{display:flex;gap:8px;flex-wrap:wrap}
.job-card .hd .tag{background:var(--paper);border:1px solid var(--line);color:var(--muted);font-size:12.5px;padding:3px 12px;border-radius:20px}
.job-card .hd .arr{color:var(--accent-dark);font-size:20px;transition:.25s;flex:none}
.job-card.open .hd .arr{transform:rotate(180deg)}
.job-card .bd{max-height:0;overflow:hidden;transition:max-height .35s ease}
.job-card.open .bd{max-height:600px}
.job-card .bd-in{padding:0 26px 26px;border-top:1px dashed var(--line);padding-top:20px;margin:0 0}
.job-card .bd-in h4{color:var(--steel-2);font-size:15px;margin:12px 0 6px;letter-spacing:.05em}
.job-card .bd-in p{color:var(--muted);font-size:14.5px}
.job-cta{background:var(--steel);border-radius:var(--radius);color:#fff;padding:36px 40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.job-cta h3{font-size:22px;letter-spacing:.04em}
.job-cta p{color:#a9bbcd;margin-top:6px;font-size:14.5px}
.job-cta b{color:var(--accent)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.info-item{display:flex;gap:16px;padding:22px 26px;border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:none}
.info-item .ic{
  width:44px;height:44px;flex:none;background:var(--ink);color:var(--accent);
  display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:19px;
}
.info-item h4{color:var(--ink);font-size:15.5px;letter-spacing:.04em}
.info-item p{color:var(--muted);font-size:14.5px;margin-top:3px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 36px;border-top:5px solid var(--accent)}
.form-card h3{color:var(--ink);font-size:21px;margin-bottom:22px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card label{display:block;font-size:13.5px;font-weight:700;color:var(--steel-2);margin:14px 0 6px;letter-spacing:.04em}
.form-card input,.form-card textarea,.form-card select{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:6px;
  font-size:14.5px;font-family:inherit;background:var(--paper);color:var(--txt);transition:.2s;
}
.form-card input:focus,.form-card textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.form-card .sent{display:none;margin-top:16px;background:#eef8ee;border:1px solid #bfe3bf;color:#2e7d32;padding:12px 16px;border-radius:6px;font-size:14px}
.map-strip{margin-top:34px;background:var(--steel);border-radius:var(--radius);color:#fff;padding:30px 36px;display:flex;gap:30px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.map-strip .pin-line{display:flex;gap:12px;align-items:flex-start}
.map-strip .pin-line .ic{color:var(--accent);font-size:22px}
.map-strip h4{font-size:16px;letter-spacing:.05em}
.map-strip p{color:#a9bbcd;font-size:14px}
.map-strip a{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap}
.map-strip a:hover{text-decoration:underline}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(100deg,var(--ink),var(--steel-2));color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--accent)}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:27px;letter-spacing:.04em}
.cta-band p{color:#a9bbcd;margin-top:8px}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:#93a7bb;font-size:14px}
.foot-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding:58px 0 44px}
footer h4{color:#fff;font-size:16px;letter-spacing:.08em;margin-bottom:18px;position:relative;padding-bottom:10px}
footer h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--accent)}
footer .brand-text strong{font-size:17px}
footer p{margin-bottom:9px}
footer a:hover{color:var(--accent)}
footer .flinks li{margin-bottom:9px}
.foot-copy{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:13px}
.foot-copy .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot-copy a{color:#b9c8d6}
.foot-copy a:hover{color:var(--accent)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1020px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 66px}
  .hero-figure{max-width:620px}
  .about-grid{grid-template-columns:1fr}
  .foot-main{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .main-nav{
    display:none;position:absolute;top:76px;left:0;right:0;background:#ffffff;
    flex-direction:column;padding:10px 22px 18px;gap:2px;box-shadow:0 18px 30px rgba(10,15,22,.18);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 4px;border-bottom:1px solid rgba(20,27,36,.06)}
  .main-nav a.active{border-bottom-color:var(--accent)}
  .nav-toggle{display:block}
  .topbar .tb-group:last-child{display:none}
}
@media (max-width:680px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .stat:nth-child(3)::before{display:none}
  .hero-copy h1{font-size:32px}
  .section{padding:56px 0}
  .article{padding:30px 22px}
  .foot-main{grid-template-columns:1fr}
  .topbar{display:none}
  .form-card{padding:26px 20px}
  .f-row{grid-template-columns:1fr}
  .brand-logo{height:34px}
}