@charset "UTF-8";
/* ============================================================
   湖北思普瑞机械有限公司 · 企业展示站
   设计基调：工业钢蓝 + 火焰橙，强调专业制造感
   ============================================================ */

:root{
  --navy:#0E2A47;
  --navy-2:#143352;
  --steel:#1B3A5C;
  --orange:#F26522;
  --orange-2:#FF8A3D;
  --orange-soft:#FFF3EC;

  --ink:#1A1D21;
  --ink-2:#333A45;
  --gray:#5A6472;
  --gray-2:#8A94A3;
  --line:#E3E7ED;
  --line-2:#EEF1F5;
  --bg:#FFFFFF;
  --bg-alt:#F4F6F9;
  --bg-dark:#0B2036;

  --radius:8px;
  --radius-lg:14px;
  --shadow-sm:0 1px 3px rgba(14,42,71,.06), 0 1px 2px rgba(14,42,71,.04);
  --shadow:0 6px 24px rgba(14,42,71,.08);
  --shadow-lg:0 18px 48px rgba(14,42,71,.14);

  --wrap:1200px;
  --header-h:68px;

  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",
          "Helvetica Neue",Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--alt{background:var(--bg-alt);}
.section--tight{padding:56px 0;}

.section-head{margin-bottom:40px;}
.section-head--center{text-align:center;max-width:720px;margin-inline:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--orange);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--orange);display:block;}
.section-head--center .eyebrow::before{display:none;}
.section-title{font-size:clamp(26px,3.4vw,36px);color:var(--navy);}
.section-desc{margin-top:14px;color:var(--gray);font-size:16.5px;}
.section-head--center .section-desc{margin-inline:auto;}

/* ---------- 顶部条 ---------- */
.topbar{
  background:var(--navy);color:rgba(255,255,255,.78);
  font-size:13.5px;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px;}
.topbar-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.topbar-left span{display:inline-flex;align-items:center;gap:7px;}
.topbar svg{width:14px;height:14px;flex:none;opacity:.8;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar a:hover{color:#fff;}
.tag-needed{
  background:rgba(242,101,34,.16);color:var(--orange-2);
  padding:1px 7px;border-radius:4px;font-size:12px;font-weight:600;
}

/* ---------- 导航 ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s;
}
.header.is-stuck{box-shadow:var(--shadow-sm);}
.header .wrap{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  width:40px;height:40px;border-radius:7px;flex:none;
  background:linear-gradient(140deg,var(--navy) 0%,var(--steel) 100%);
  display:grid;place-items:center;color:#fff;
  font-weight:800;font-size:15px;letter-spacing:-.02em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-mark span{color:var(--orange-2);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:17.5px;color:var(--navy);letter-spacing:-.01em;}
.brand-sub{font-size:11.5px;color:var(--gray-2);letter-spacing:.06em;}

.nav{display:flex;align-items:center;gap:4px;}
.nav a{
  position:relative;padding:9px 15px;border-radius:6px;
  font-size:15.5px;font-weight:600;color:var(--ink-2);
  transition:color .18s,background .18s;
}
.nav a:hover{color:var(--navy);background:var(--bg-alt);}
.nav a.is-active{color:var(--orange);}
.nav a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;
  height:2px;background:var(--orange);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:12px;flex:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:6px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .16s,box-shadow .18s,background .18s,border-color .18s,color .18s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn svg{width:16px;height:16px;}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(242,101,34,.24);}
.btn--primary:hover{background:#E0551A;box-shadow:0 8px 24px rgba(242,101,34,.32);}
.btn--outline{border-color:var(--line);color:var(--navy);background:#fff;}
.btn--outline:hover{border-color:var(--navy);color:var(--navy);}
.btn--ghost-light{border-color:rgba(255,255,255,.32);color:#fff;}
.btn--ghost-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}
.btn--light{background:#fff;color:var(--navy);}
.btn--light:hover{background:#F0F3F7;}
.btn--sm{padding:8px 16px;font-size:14px;}
.btn--block{width:100%;}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:6px;cursor:pointer;
  align-items:center;justify-content:center;padding:0;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--navy);position:relative;transition:.2s;}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--navy);transition:.2s;
}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.nav-toggle[aria-expanded="true"] i{background:transparent;}
.nav-toggle[aria-expanded="true"] i::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] i::after{top:0;transform:rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 520px at 78% 12%, rgba(242,101,34,.20), transparent 62%),
    linear-gradient(158deg,#0B2036 0%,#123253 52%,#0A1D31 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(to bottom right,#000,transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom right,#000,transparent 78%);
}
.hero .wrap{position:relative;padding:84px 24px 92px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  padding:6px 14px;border-radius:100px;font-size:13.5px;font-weight:600;
  color:rgba(255,255,255,.92);margin-bottom:24px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--orange-2);display:block;}
.hero h1{
  font-size:clamp(32px,4.6vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--orange-2);}
.hero-lead{
  margin-top:22px;font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.80);max-width:600px;
}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-meta{
  margin-top:38px;display:flex;gap:36px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-meta div strong{
  display:block;font-size:28px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.02em;
}
.hero-meta div span{font-size:13.5px;color:rgba(255,255,255,.62);}

/* Hero 右侧：参数卡 */
.hero-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:26px;backdrop-filter:blur(6px);
}
.hero-card h3{font-size:16px;color:#fff;margin-bottom:4px;}
.hero-card .hc-sub{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px;}
.spec-mini{display:flex;flex-direction:column;gap:1px;background:rgba(255,255,255,.1);border-radius:8px;overflow:hidden;}
.spec-mini div{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  background:#0E2A47;padding:11px 14px;font-size:14px;
}
.spec-mini div b{color:rgba(255,255,255,.62);font-weight:500;}
.spec-mini div span{color:#fff;font-weight:600;text-align:right;}
.hero-card .hc-note{
  margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.48);line-height:1.6;
}

/* ---------- 亮点卡 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ---------- 工厂实景（门头图 + 车间） ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.gallery .g-item{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(140deg,#EDF1F6 0%,#DFE6EE 100%);
  aspect-ratio:4/3;border:1px solid var(--line);
}
.gallery .g-item img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery .g-item.g-tall{aspect-ratio:3/4;}
.gallery .g-cap{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(11,32,54,.78);color:#fff;font-size:13px;font-weight:600;
  padding:5px 11px;border-radius:4px;letter-spacing:.04em;backdrop-filter:blur(4px);
}
@media (max-width:900px){
  .gallery{grid-template-columns:1fr 1fr;}
  .gallery .g-item.g-tall{grid-row:span 2;aspect-ratio:auto;}
}
@media (max-width:560px){
  .gallery{grid-template-columns:1fr;}
  .gallery .g-item.g-tall{grid-row:auto;aspect-ratio:4/3;}
}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 28px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D6DEE8;}
.card-icon{
  width:50px;height:50px;border-radius:10px;display:grid;place-items:center;
  background:var(--orange-soft);color:var(--orange);margin-bottom:20px;
}
.card-icon svg{width:24px;height:24px;}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px;}
.card p{color:var(--gray);font-size:15.2px;line-height:1.8;}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.card-list li{
  position:relative;padding-left:20px;font-size:14.6px;color:var(--ink-2);
}
.card-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:var(--orange);transform:rotate(45deg);
}

/* ---------- 品牌双线 ---------- */
.brands{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.brand-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--navy) 0%,#17508A 100%);
  color:#fff;padding:38px 34px;
}
.brand-panel:nth-child(2){background:linear-gradient(150deg,#5A2A0E 0%,#B4501A 100%);}
.brand-panel h3{font-size:24px;margin-bottom:6px;}
.brand-panel .bp-tag{
  display:inline-block;font-size:12.5px;letter-spacing:.1em;font-weight:700;
  color:rgba(255,255,255,.7);margin-bottom:16px;
}
.brand-panel p{color:rgba(255,255,255,.82);font-size:15.4px;line-height:1.85;}
.bp-items{margin-top:22px;display:flex;flex-wrap:wrap;gap:9px;}
.bp-items span{
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);
  padding:5px 13px;border-radius:100px;font-size:13.5px;
}

/* ---------- 产品预览 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.prod-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;
}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.prod-visual{
  aspect-ratio:4/3;background:linear-gradient(140deg,#EDF1F6 0%,#DFE6EE 100%);
  display:grid;place-items:center;position:relative;border-bottom:1px solid var(--line);
  overflow:hidden;
}
.prod-visual img{
  width:100%;height:100%;object-fit:cover;object-position:center;display:block;
}
.prod-visual svg{width:56%;height:56%;color:var(--steel);opacity:.88;}
.prod-visual .pv-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--navy);color:#fff;font-size:11.5px;font-weight:700;
  padding:3px 9px;border-radius:4px;letter-spacing:.04em;
}
.prod-visual .pv-tag--new{background:var(--orange);}
.prod-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.prod-body h3{font-size:18px;color:var(--navy);margin-bottom:8px;}
.prod-body p{font-size:14.6px;color:var(--gray);line-height:1.75;flex:1;}
.prod-spec{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;
}
.prod-spec div{font-size:13.4px;}
.prod-spec b{display:block;color:var(--gray-2);font-weight:500;font-size:12.4px;}
.prod-spec span{color:var(--ink);font-weight:600;}
.prod-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:7px;
  color:var(--orange);font-weight:600;font-size:14.6px;
}
.prod-link svg{width:15px;height:15px;transition:transform .18s;}
.prod-link:hover svg{transform:translateX(4px);}

/* ---------- 工艺 ---------- */
.craft{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.craft-steps{display:grid;gap:14px;}
.craft-step{
  display:flex;gap:18px;padding:20px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .18s,box-shadow .18s;
}
.craft-step:hover{border-color:#C9D5E3;box-shadow:var(--shadow-sm);}
.craft-num{
  flex:none;width:34px;height:34px;border-radius:8px;
  background:var(--navy);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:14.5px;
}
.craft-step h4{font-size:16.5px;color:var(--navy);margin-bottom:5px;}
.craft-step p{font-size:14.6px;color:var(--gray);line-height:1.75;}

.craft-visual{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#0B2036,#1B3A5C);padding:34px;color:#fff;
}
.craft-visual h4{font-size:19px;margin-bottom:6px;}
.craft-visual > p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:22px;}
.craft-bars{display:flex;flex-direction:column;gap:16px;}
.craft-bar div{display:flex;justify-content:space-between;font-size:14px;margin-bottom:7px;}
.craft-bar div b{font-weight:500;color:rgba(255,255,255,.72);}
.craft-bar div span{color:#fff;font-weight:600;}
.craft-bar i{display:block;height:6px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden;}
.craft-bar i em{display:block;height:100%;background:linear-gradient(90deg,var(--orange),var(--orange-2));}

/* ---------- 服务网络 ---------- */
.network{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.province-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.province-cloud span{
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:8px 16px;font-size:14.6px;color:var(--ink-2);font-weight:600;
}
.service-list{display:grid;gap:14px;}
.service-item{
  display:flex;gap:14px;padding:18px 20px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
}
.service-item svg{width:20px;height:20px;flex:none;color:var(--orange);margin-top:2px;}
.service-item h4{font-size:16px;color:var(--navy);margin-bottom:4px;}
.service-item p{font-size:14.4px;color:var(--gray);line-height:1.72;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy) 0%,#1B3A5C 100%);
  color:#fff;padding:60px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,101,34,.28),transparent 68%);
}
.cta-band .wrap{
  position:relative;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15.6px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页头（内页） ---------- */
.page-hero{
  background:linear-gradient(150deg,#0B2036 0%,#1B3A5C 100%);
  color:#fff;padding:56px 0 52px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to left,#000,transparent 70%);
  -webkit-mask-image:linear-gradient(to left,#000,transparent 70%);
}
.page-hero .wrap{position:relative;}
.page-hero h1{font-size:clamp(28px,3.8vw,40px);}
.page-hero p{margin-top:14px;color:rgba(255,255,255,.72);max-width:680px;font-size:16.4px;}

/* page-hero 双栏版（带门头图） */
.page-hero--split .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.page-hero--split .ph-text > *{position:relative;z-index:1;}
.page-hero--split .ph-photo{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  aspect-ratio:4/3;background:rgba(255,255,255,.06);
}
.page-hero--split .ph-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.page-hero--split .ph-photo figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(11,32,54,.78);
  color:#fff;font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:4px;
  backdrop-filter:blur(4px);
}
@media (max-width:900px){
  .page-hero--split .wrap{grid-template-columns:1fr;gap:28px;}
}
.breadcrumb{
  display:flex;align-items:center;gap:9px;font-size:13.6px;
  color:rgba(255,255,255,.55);margin-bottom:18px;
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{opacity:.5;}

/* ---------- 筛选 ---------- */
.filters{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px;
  padding:14px;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
}
.filter-btn{
  padding:9px 20px;border-radius:6px;border:1px solid var(--line);
  background:#fff;font-size:14.6px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:.18s;
}
.filter-btn:hover{border-color:var(--navy);color:var(--navy);}
.filter-btn.is-active{background:var(--navy);border-color:var(--navy);color:#fff;}

/* ---------- 产品线（折叠） ---------- */
.series{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:18px;background:#fff;}
.series-head{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:22px 26px;background:#fff;border:0;cursor:pointer;text-align:left;
  transition:background .18s;
}
.series-head:hover{background:var(--bg-alt);}
.series-head .sh-icon{
  width:44px;height:44px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--orange-soft);color:var(--orange);
}
.series-head .sh-icon svg{width:22px;height:22px;}
.series-head .sh-text{flex:1;min-width:0;}
.series-head .sh-text h3{font-size:18.5px;color:var(--navy);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.series-head .sh-text p{font-size:14.4px;color:var(--gray);margin-top:3px;}
.pill{
  font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:4px;letter-spacing:.03em;
  background:var(--bg-alt);color:var(--gray);border:1px solid var(--line);
}
.pill--hot{background:var(--orange-soft);color:var(--orange);border-color:#FBD8C4;}
.pill--count{background:var(--navy);color:#fff;border-color:var(--navy);}
.series-head .sh-toggle{
  flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--gray);transition:transform .22s,background .18s;
}
.series-head .sh-toggle svg{width:14px;height:14px;}
.series.is-open .sh-toggle{transform:rotate(180deg);background:var(--navy);border-color:var(--navy);color:#fff;}
.series-body{display:none;border-top:1px solid var(--line);background:var(--bg-alt);padding:26px;}
.series.is-open .series-body{display:block;}

/* ---------- 参数表 ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid var(--line);border-radius:var(--radius);}
table.spec{width:100%;border-collapse:collapse;font-size:14.2px;min-width:720px;}
table.spec caption{
  text-align:left;padding:14px 18px;font-size:13.4px;color:var(--gray);
  background:#fff;border-bottom:1px solid var(--line);
}
table.spec th,table.spec td{
  padding:11px 16px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top;
}
table.spec thead th{
  background:var(--navy);color:#fff;font-weight:600;font-size:13.6px;
  position:sticky;top:0;white-space:nowrap;
}
table.spec tbody th{
  background:var(--bg-alt);font-weight:600;color:var(--ink-2);
  white-space:nowrap;width:150px;position:sticky;left:0;
  box-shadow:1px 0 0 var(--line);
}
table.spec tbody tr:hover td{background:#FAFBFC;}
table.spec td{color:var(--ink-2);}
.spec-note{
  margin-top:14px;font-size:13.2px;color:var(--gray-2);line-height:1.7;
  display:flex;gap:8px;align-items:flex-start;
}
.spec-note svg{width:15px;height:15px;flex:none;margin-top:3px;}

/* 移动端：参数表转卡片 */
@media (max-width:820px){
  table.spec{min-width:0;}
  table.spec thead{display:none;}
  table.spec,table.spec tbody,table.spec tr,table.spec th,table.spec td{display:block;width:100%;}
  table.spec tr{
    border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;
    background:#fff;overflow:hidden;
  }
  table.spec tbody th{
    position:static;background:var(--navy);color:#fff;box-shadow:none;
    white-space:normal;font-size:14px;padding:12px 16px;width:auto;
  }
  table.spec td{
    display:flex;justify-content:space-between;gap:16px;align-items:baseline;
    padding:10px 16px;border-bottom:1px solid var(--line-2);
  }
  table.spec td::before{
    content:attr(data-label);flex:none;color:var(--gray-2);font-size:13px;font-weight:500;
  }
  table.spec td span{text-align:right;font-weight:600;color:var(--ink);}
  table.spec tr td:last-child{border-bottom:0;}
}

/* ---------- 配件 ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
}
.mini-card h4{font-size:17.5px;color:var(--navy);margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.mini-card h4 svg{width:20px;height:20px;color:var(--orange);}
.mini-card p{font-size:14.8px;color:var(--gray);line-height:1.8;}
.kv{margin-top:18px;display:grid;gap:1px;background:var(--line-2);border-radius:8px;overflow:hidden;}
.kv div{
  display:flex;justify-content:space-between;gap:16px;background:#fff;
  padding:11px 15px;font-size:14px;
}
.kv div b{font-weight:500;color:var(--gray);}
.kv div span{font-weight:600;color:var(--ink);text-align:right;}
.callout{
  margin-top:18px;padding:14px 16px;background:var(--orange-soft);
  border-left:3px solid var(--orange);border-radius:0 6px 6px 0;font-size:14.2px;color:#8A3A0C;
}

/* ---------- 产品大图占位 ---------- */
.pv-placeholder{
  border:1px dashed #C6D0DC;border-radius:var(--radius);
  background:repeating-linear-gradient(45deg,#F7F9FB,#F7F9FB 10px,#F1F4F8 10px,#F1F4F8 20px);
  display:grid;place-items:center;color:var(--gray-2);font-size:13.4px;
  padding:26px;text-align:center;
}

/* ---------- 关于页 ---------- */
.about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:start;}
.about-intro p{color:var(--gray);font-size:16px;line-height:1.9;margin-bottom:16px;}
.about-intro p strong{color:var(--ink);font-weight:600;}
.fact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.fact{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
}
.fact strong{display:block;font-size:26px;font-weight:800;color:var(--navy);line-height:1.25;letter-spacing:-.02em;}
.fact span{font-size:13.6px;color:var(--gray);}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(to bottom,var(--orange),var(--line));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--orange);
}
.tl-year{font-size:14px;font-weight:700;color:var(--orange);letter-spacing:.04em;}
.tl-item h4{font-size:18px;color:var(--navy);margin:5px 0 8px;}
.tl-item p{font-size:15px;color:var(--gray);line-height:1.82;}
.tl-item--pending::before{border-color:var(--gray-2);}
.tl-item--pending .tl-year{color:var(--gray-2);}

/* 资质 */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;text-align:center;transition:transform .2s,box-shadow .2s;
}
.cert:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.cert-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;
}
.cert-icon svg{width:26px;height:26px;}
.cert h4{font-size:17px;color:var(--navy);margin-bottom:8px;}
.cert p{font-size:14.2px;color:var(--gray);line-height:1.75;}

/* 团队/人员结构 */
.team-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.team-stat{
  background:linear-gradient(150deg,var(--navy),#1B3A5C);color:#fff;
  border-radius:var(--radius-lg);padding:28px 24px;text-align:center;
}
.team-stat strong{display:block;font-size:32px;font-weight:800;line-height:1.2;letter-spacing:-.02em;}
.team-stat strong em{font-style:normal;color:var(--orange-2);font-size:18px;margin-left:3px;}
.team-stat span{font-size:14px;color:rgba(255,255,255,.68);}

/* 案例 */
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.case-head{
  background:linear-gradient(120deg,var(--navy),#1B3A5C);color:#fff;padding:28px 32px;
}
.case-head .ch-tag{font-size:12.6px;letter-spacing:.1em;font-weight:700;color:var(--orange-2);}
.case-head h3{font-size:21px;margin-top:6px;}
.case-head p{font-size:14.4px;color:rgba(255,255,255,.7);margin-top:6px;}
.case-body{padding:30px 32px;}
.case-quote{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px;
}
.case-quote div{
  background:var(--bg-alt);border-radius:var(--radius);padding:18px 20px;border-left:3px solid var(--orange);
}
.case-quote div b{display:block;font-size:13.4px;color:var(--gray-2);font-weight:600;margin-bottom:5px;}
.case-quote div p{font-size:14.6px;color:var(--ink-2);line-height:1.7;}
.case-result{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.case-result div h4{font-size:16px;color:var(--navy);margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.case-result div h4 svg{width:18px;height:18px;color:var(--orange);}
.case-result div p{font-size:14.6px;color:var(--gray);line-height:1.8;}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.info-list{display:grid;gap:16px;}
.info-card{
  display:flex;gap:18px;padding:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);
}
.info-icon{
  width:46px;height:46px;flex:none;border-radius:10px;background:var(--orange-soft);
  color:var(--orange);display:grid;place-items:center;
}
.info-icon svg{width:22px;height:22px;}
.info-card h4{font-size:16.5px;color:var(--navy);margin-bottom:6px;display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
.info-card p{font-size:15px;color:var(--ink-2);line-height:1.7;}
.info-card p.muted{color:var(--gray-2);font-size:13.6px;margin-top:4px;}
.need-fix{
  background:#FFF8E6;border:1px solid #F2DFA8;color:#7A5C0A;
  font-size:12.4px;font-weight:600;padding:2px 8px;border-radius:4px;
}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;
  box-shadow:var(--shadow-sm);
}
.form-card h3{font-size:20px;color:var(--navy);margin-bottom:6px;}
.form-card > p{font-size:14.6px;color:var(--gray);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:7px;
}
.field label i{color:var(--orange);font-style:normal;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:6px;
  font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder,.field textarea::placeholder{color:#B3BCC8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,101,34,.12);
}
.field textarea{min-height:112px;resize:vertical;}
.field .err{display:none;margin-top:6px;font-size:13px;color:#D92D20;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#D92D20;}
.field.has-error .err{display:block;}
.form-note{margin-top:14px;font-size:13px;color:var(--gray-2);line-height:1.7;}
.form-success{
  display:none;margin-top:18px;padding:18px 20px;border-radius:var(--radius);
  background:#ECFDF3;border:1px solid #A9E5C0;
}
.form-success.is-on{display:block;}
.form-success h4{font-size:16px;color:#05603A;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.form-success h4 svg{width:18px;height:18px;}
.form-success p{font-size:14.2px;color:#05603A;line-height:1.75;}
.form-success .inbox{
  margin-top:12px;background:#fff;border:1px solid #A9E5C0;border-radius:6px;
  padding:12px 14px;font-size:13.4px;color:#2C4A3B;white-space:pre-wrap;line-height:1.7;
}

/* 地图占位 */
.map-box{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;
}
.map-box .map-visual{
  aspect-ratio:16/8;background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/40px 40px,
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/40px 40px,
    linear-gradient(150deg,#123253,#0B2036);
  display:grid;place-items:center;color:rgba(255,255,255,.72);position:relative;
}
.map-pin{text-align:center;}
.map-pin svg{width:34px;height:34px;color:var(--orange-2);margin:0 auto 10px;}
.map-pin strong{display:block;color:#fff;font-size:17px;}
.map-pin span{font-size:13.4px;}
.map-box .map-foot{padding:16px 20px;font-size:13.8px;color:var(--gray);border-top:1px solid var(--line);}

/* ---------- 缺口提示条 ---------- */
.gap-bar{
  background:#FFF8E6;border-top:1px solid #F2DFA8;border-bottom:1px solid #F2DFA8;
  padding:14px 0;font-size:13.6px;color:#7A5C0A;
}
.gap-bar .wrap{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;}
.gap-bar b{font-weight:700;}
.gap-bar svg{width:16px;height:16px;flex:none;margin-top:3px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-dark);color:rgba(255,255,255,.66);padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;
}
.footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.02em;}
.footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer .f-brand .brand-mark{background:linear-gradient(140deg,#1B3A5C,#245A94);}
.footer .f-brand strong{color:#fff;font-size:17px;}
.footer p{font-size:14.2px;line-height:1.85;}
.footer ul{display:grid;gap:10px;}
.footer ul a{font-size:14.2px;transition:color .18s;}
.footer ul a:hover{color:#fff;}
.footer-contact{display:grid;gap:12px;font-size:14.2px;}
.footer-contact div{display:flex;gap:10px;align-items:flex-start;}
.footer-contact svg{width:15px;height:15px;flex:none;margin-top:4px;opacity:.7;}
.footer-bot{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.4px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid,.craft,.network,.about-intro,.contact-grid{grid-template-columns:1fr;}
  .hero-grid{gap:40px;}
  .cards,.prod-grid{grid-template-columns:repeat(2,1fr);}
  .team-stats{grid-template-columns:repeat(2,1fr);}
  .cert-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .nav.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 20px 18px;box-shadow:var(--shadow);
  }
  .nav.is-open a{padding:13px 6px;border-bottom:1px solid var(--line-2);font-size:16px;}
  .nav.is-open a.is-active::after{display:none;}
  .header{position:relative;}
}
@media (max-width:900px){
  .brands,.mini-grid,.case-result{grid-template-columns:1fr;}
  .case-quote{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero .wrap{padding:56px 24px 64px;}
  .hero-meta{gap:24px;}
  .hero-meta div strong{font-size:24px;}
  .cards,.prod-grid,.cert-grid{grid-template-columns:1fr;}
  .fact-grid,.form-row{grid-template-columns:1fr;}
  .team-stats{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .topbar{display:none;}
  .series-head{padding:18px 18px;gap:14px;}
  .series-head .sh-icon{width:38px;height:38px;}
  .series-head .sh-text h3{font-size:16.5px;}
  .series-body{padding:18px 14px;}
  .form-card{padding:24px 20px;}
  .case-body{padding:22px 20px;}
  .case-head{padding:22px 20px;}
  .craft-visual{padding:24px;}
  .wrap{padding:0 20px;}
  .cta-band .wrap{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .team-stats{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .prod-spec{grid-template-columns:1fr;}
}

/* ---------- 打印 ---------- */
@media print{
  .header,.topbar,.cta-band,.footer,.nav-toggle{display:none !important;}
  body{font-size:12pt;}
}