/* =========================================================
   宁波锦孚胶粘制品有限公司 · 企业官网样式表
   Ningbo Jinfu Adhesive Products Co., Ltd.
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root{
  --navy:#0A2542;
  --navy-deep:#061729;
  --navy-soft:#12365C;
  --orange:#F26522;
  --orange-soft:#FF8A4C;
  --gold:#C8A05A;
  --paper:#E9F1F9;
  --white:#ffffff;
  --ink:#101D2B;
  --muted:#65707C;
  --line:rgba(10,37,66,.12);
  --line-light:rgba(255,255,255,.14);
  --shadow-s:0 2px 10px rgba(6,23,41,.06);
  --shadow-m:0 18px 40px -18px rgba(6,23,41,.28);
  --shadow-l:0 40px 80px -40px rgba(6,23,41,.45);
  --radius:2px;
  --shell:1280px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  --font-en:"Helvetica Neue","Segoe UI",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  color:var(--ink);
  background:#F7FAFD;
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 3. 顶部信息条（中英双语抬头） ---------- */
.topbar{
  background:var(--navy-deep);
  color:rgba(255,255,255,.72);
  font-size:12.5px;
  letter-spacing:.06em;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar__in{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:40px;
}
.topbar__name{display:flex;align-items:baseline;gap:10px;white-space:nowrap;overflow:hidden;}
.topbar__name b{color:#fff;font-weight:600;letter-spacing:.12em;font-size:12.5px;}
.topbar__name span{
  font-family:var(--font-en);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(255,255,255,.45);
}
.topbar__meta{display:flex;align-items:center;gap:26px;font-family:var(--font-en);white-space:nowrap;}
.topbar__meta a{transition:color .2s var(--ease);}
.topbar__meta a:hover{color:var(--orange-soft);}
.topbar__dot{color:var(--orange);margin-right:7px;}

/* ---------- 4. 主导航 ---------- */
.header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.header.is-stuck{box-shadow:0 10px 30px -18px rgba(6,23,41,.45);}
.header__in{
  display:flex;align-items:center;justify-content:space-between;
  height:86px;gap:32px;
}

/* LOGO 组合标识（内联 SVG + 中英文字） */
.brand{display:flex;align-items:center;gap:13px;flex:0 0 auto;}
.brand__mark{height:50px;width:auto;flex:0 0 auto;display:block;}
.footer__logo{display:inline-flex;background:#fff;padding:7px;border-radius:50%;}
.footer__logo img{height:42px;width:auto;display:block;}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;gap:4px;}
.brand__cn{
  font-size:20px;font-weight:800;letter-spacing:.16em;color:var(--navy);
}
.brand__en{
  font-family:var(--font-en);font-size:9px;letter-spacing:.19em;
  text-transform:uppercase;color:var(--muted);font-weight:500;
}

/* 导航链接 */
.nav{display:flex;align-items:center;gap:2px;height:100%;}
.nav__item{position:relative;height:100%;display:flex;align-items:center;}
.nav__link{
  display:flex;align-items:center;gap:6px;
  padding:0 18px;height:100%;
  font-size:15px;font-weight:500;color:var(--ink);letter-spacing:.04em;
  position:relative;transition:color .2s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:18px;right:18px;bottom:26px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav__item:hover>.nav__link,
.nav__link.is-active{color:var(--orange);}
.nav__item:hover>.nav__link::after,
.nav__link.is-active::after{transform:scaleX(1);}
.nav__caret{
  width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);opacity:.55;transition:transform .25s var(--ease);
}
.nav__item:hover .nav__caret{transform:rotate(225deg) translateY(-1px);}

/* 下拉菜单 */
.dropdown{
  position:absolute;top:100%;left:0;min-width:268px;
  background:var(--white);
  border-top:2px solid var(--orange);
  box-shadow:var(--shadow-m);
  padding:10px 0;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav__item:hover .dropdown,
.nav__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 22px;font-size:14px;color:#2C3A48;
  transition:background .18s,color .18s,padding .18s;
}
.dropdown a span.en{
  font-family:var(--font-en);font-size:9.5px;letter-spacing:.1em;
  text-transform:uppercase;color:#9AA4AF;white-space:nowrap;
}
.dropdown a:hover{background:#EAF2F9;color:var(--orange);padding-left:26px;}
.dropdown--wide{
  min-width:660px;left:50%;right:auto;
  transform:translate(-50%,8px);
  display:grid;grid-template-columns:1fr 1fr;padding:14px 0;
}
.nav__item:hover .dropdown--wide,
.nav__item:focus-within .dropdown--wide{transform:translate(-50%,0);}
/* 中文名与英文名上下两行横排，禁止逐字竖排 */
.dropdown--wide a{flex-direction:column;align-items:flex-start;gap:4px;padding:11px 22px;}
.dropdown--wide a b{font-weight:500;font-size:14.5px;line-height:1.35;white-space:nowrap;color:inherit;}
.dropdown--wide a span.en{max-width:100%;overflow:hidden;text-overflow:ellipsis;}

/* 导航右侧电话 */
.header__cta{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  padding:11px 20px;background:var(--navy);color:#fff;
  font-size:13px;letter-spacing:.06em;
  transition:background .25s var(--ease);
}
.header__cta:hover{background:var(--orange);}
.header__cta svg{width:15px;height:15px;flex:0 0 15px;}

/* 移动端汉堡 */
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:none;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--navy);transition:.25s;}

/* ---------- 5. 滚动公告条 ---------- */
.marquee{
  background:var(--orange);
  color:#fff;overflow:hidden;position:relative;
  height:38px;display:flex;align-items:center;
}
.marquee::before{
  content:"NEWS";flex:0 0 auto;
  font-family:var(--font-en);font-size:10px;letter-spacing:.22em;
  padding:0 18px;height:100%;display:flex;align-items:center;
  background:rgba(0,0,0,.16);font-weight:600;z-index:2;
}
.marquee__track{
  display:flex;width:max-content;
  animation:marquee 46s linear infinite;
}
.marquee:hover .marquee__track{animation-play-state:paused;}
.marquee__group{display:flex;flex:0 0 auto;}
.marquee__group span{
  display:inline-flex;align-items:center;font-size:13px;
  letter-spacing:.04em;padding-right:44px;white-space:nowrap;
}
.marquee__group span::after{content:"";width:4px;height:4px;background:rgba(255,255,255,.6);margin-left:44px;border-radius:50%;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- 6. 首屏 HERO（淡蓝主视觉 + 微量橘色点缀；hero--deep 深蓝 / hero--light 暖白 可切换） ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(56% 44% at 88% -4%,rgba(242,101,34,.12) 0%,rgba(242,101,34,0) 62%),
    radial-gradient(62% 52% at 0% 102%,rgba(10,37,66,.06) 0%,rgba(10,37,66,0) 66%),
    linear-gradient(180deg,#F3F8FC 0%,#E5EEF8 50%,#D3E1F0 100%);
  color:var(--navy);
  padding:88px 0 0;
}
.hero::after{ /* 极淡网格 */
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(90deg,rgba(10,37,66,.05) 1px,transparent 1px),
    linear-gradient(180deg,rgba(10,37,66,.05) 1px,transparent 1px);
  background-size:104px 104px;
  -webkit-mask-image:radial-gradient(74% 72% at 50% 34%,#000 0%,rgba(0,0,0,.3) 58%,transparent 84%);
  mask-image:radial-gradient(74% 72% at 50% 34%,#000 0%,rgba(0,0,0,.3) 58%,transparent 84%);
}
.hero__ring{position:absolute;border-radius:50%;pointer-events:none;border:1px solid rgba(10,37,66,.08);}
.hero__ring--1{width:840px;height:840px;right:-280px;top:-340px;}
.hero__ring--2{width:560px;height:560px;right:-90px;top:-190px;border-color:rgba(242,101,34,.14);}
.hero__ring--3{width:320px;height:320px;right:30px;top:-70px;border-width:16px;border-color:rgba(242,101,34,.08);}
.hero__wm{
  position:absolute;right:-2vw;bottom:182px;
  font-family:var(--font-en);font-weight:800;line-height:.78;letter-spacing:.04em;
  font-size:clamp(130px,17vw,250px);
  color:rgba(10,37,66,.045);pointer-events:none;user-select:none;white-space:nowrap;
}
.hero__in{position:relative;z-index:2;max-width:var(--shell);margin:0 auto;padding:0 32px;}
.hero__copy{max-width:1140px;margin:0 auto;text-align:center;}

.hero__eyebrow{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--font-en);font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;
  color:#6E7B8A;margin-bottom:34px;
}
.hero__eyebrow::before,.hero__eyebrow::after{content:"";width:52px;height:1px;background:var(--orange);}
.hero h1{
  font-size:clamp(46px,7.3vw,116px);
  line-height:1.1;font-weight:800;letter-spacing:.06em;
  color:var(--navy);
  transform:scaleX(1.04);transform-origin:center;
}
.hero__h1-top{
  display:block;font-size:.5em;font-weight:700;
  letter-spacing:.36em;padding-left:.36em;color:var(--orange);margin-bottom:.14em;
}
.hero__h1-big{display:block;color:var(--navy);}
.hero__en{
  font-family:var(--font-en);font-size:clamp(11px,1vw,13.5px);
  letter-spacing:.2em;text-transform:uppercase;color:#7C8794;
  margin-top:26px;white-space:nowrap;
}
.hero__desc{
  font-size:17.5px;line-height:2.05;color:#46525F;
  max-width:820px;margin:26px auto 42px;
}
.hero__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;}
.hero .btn--ghost{border-color:rgba(10,37,66,.22);color:var(--navy);}
.hero .btn--ghost:hover{background:var(--navy);border-color:var(--navy);color:#fff;}
.hero .btn--primary:hover{background:var(--navy);color:#fff;box-shadow:0 18px 34px -18px rgba(10,37,66,.7);}
.hero__tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:34px;}
.hero__tags span{
  font-size:12.5px;letter-spacing:.1em;color:#4B5665;
  border:1px solid rgba(10,37,66,.14);background:rgba(255,255,255,.75);
  padding:8px 16px;
}

/* 暖白备选主题：<section class="hero hero--light"> */
.hero--light{
  background:
    radial-gradient(72% 58% at 86% 0%,rgba(242,101,34,.2) 0%,rgba(242,101,34,0) 62%),
    radial-gradient(60% 52% at 2% 98%,rgba(10,37,66,.09) 0%,rgba(10,37,66,0) 66%),
    linear-gradient(180deg,#FEFCF9 0%,#FAF4EA 46%,#F4EDDF 100%);
}
.hero--light .hero__h1-top{color:#2A3D53;}
.hero--light .hero__h1-big{color:var(--orange);}
.hero--light .hero__tags span{background:#fff;}

/* 深蓝备选主题：<section class="hero hero--deep"> */
.hero--deep{
  background:
    radial-gradient(58% 46% at 88% -6%,rgba(242,101,34,.17) 0%,rgba(242,101,34,0) 62%),
    radial-gradient(64% 54% at 0% 100%,rgba(24,64,104,.85) 0%,rgba(24,64,104,0) 68%),
    linear-gradient(158deg,#05141F 0%,#0A2542 52%,#12365C 100%);
  color:#fff;
}
.hero--deep::after{
  background-image:
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(180deg,rgba(255,255,255,.055) 1px,transparent 1px);
}
.hero--deep .hero__ring{border-color:rgba(255,255,255,.08);}
.hero--deep .hero__ring--2{border-color:rgba(242,101,34,.16);}
.hero--deep .hero__ring--3{border-color:rgba(242,101,34,.1);}
.hero--deep .hero__wm{color:rgba(255,255,255,.05);}
.hero--deep .hero__eyebrow{color:rgba(255,255,255,.58);}
.hero--deep h1{color:#fff;}
.hero--deep .hero__h1-top{color:#D8BC85;}
.hero--deep .hero__h1-big{color:#fff;}
.hero--deep .hero__en{color:rgba(255,255,255,.52);}
.hero--deep .hero__desc{color:rgba(255,255,255,.74);}
.hero--deep .btn--ghost{border-color:rgba(255,255,255,.32);color:#fff;}
.hero--deep .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.hero--deep .btn--primary:hover{background:#fff;color:var(--navy-deep);box-shadow:0 18px 34px -18px rgba(0,0,0,.6);}
.hero--deep .hero__tags span{color:rgba(255,255,255,.84);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.06);}

/* 滚品带：12 类产品无缝横向滚动 */
.reel{
  position:relative;z-index:2;margin-top:76px;
  padding:26px 0;overflow:hidden;
  border-top:1px solid rgba(190,150,80,.5);
  border-bottom:1px solid rgba(190,150,80,.34);
  background:linear-gradient(180deg,#FBF4E4 0%,#F8EDD6 55%,#F5E7C9 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 160px,#000 calc(100% - 160px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 160px,#000 calc(100% - 160px),transparent 100%);
}
.reel__track{display:flex;width:max-content;animation:reelMove 58s linear infinite;will-change:transform;}
.reel:hover .reel__track{animation-play-state:paused;}
.reel__group{display:flex;flex:0 0 auto;}
.reel__item{
  display:flex;align-items:center;gap:15px;
  width:288px;flex:0 0 288px;padding:13px 22px;
  border-right:1px solid rgba(10,37,66,.09);
  color:var(--navy);transition:background .3s var(--ease);
}
.reel__item:hover{background:#fff;}
.reel__ico{width:38px;height:38px;flex:0 0 38px;color:rgba(10,37,66,.3);transition:color .3s var(--ease),transform .5s var(--ease);}
.reel__item:hover .reel__ico{color:var(--orange);transform:rotate(-12deg);}
.reel__txt{display:flex;flex-direction:column;min-width:0;flex:1;}
.reel__txt b{font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.reel__txt em{
  font-style:normal;font-family:var(--font-en);font-size:8.5px;letter-spacing:.08em;text-transform:uppercase;
  color:#8D97A3;margin-top:4px;line-height:1.4;
  white-space:normal;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.reel__no{font-family:var(--font-en);font-size:10px;letter-spacing:.1em;color:rgba(242,101,34,.55);}
@keyframes reelMove{from{transform:translate3d(0,0,0);}to{transform:translate3d(-50%,0,0);}}
@media (prefers-reduced-motion:reduce){.reel__track{animation:none;}}

/* 深蓝主题下的滚品带 */
.hero--deep .reel{border-color:rgba(255,255,255,.14);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));}
.hero--deep .reel__item{color:#fff;border-right-color:rgba(255,255,255,.1);}
.hero--deep .reel__item:hover{background:rgba(255,255,255,.07);}
.hero--deep .reel__ico{color:rgba(255,255,255,.36);}
.hero--deep .reel__item:hover .reel__ico{color:var(--orange-soft);}
.hero--deep .reel__txt em{color:rgba(255,255,255,.46);}
.hero--deep .reel__no{color:rgba(255,255,255,.3);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 34px;font-size:14.5px;letter-spacing:.1em;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:all .28s var(--ease);
}
.btn--primary{background:var(--orange);color:#fff;}
.btn--primary:hover{background:#fff;color:var(--navy);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(242,101,34,.8);}
.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff;}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--navy);color:#fff;}
.btn--dark:hover{background:var(--orange);}

/* 首屏数据条 */
.stats{
  position:relative;z-index:3;margin-top:64px;
  background:#fff;box-shadow:var(--shadow-m);border:1px solid rgba(10,37,66,.07);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stats__item{
  padding:34px 30px;border-right:1px solid var(--line);
  position:relative;
}
.stats__item:last-child{border-right:0;}
.stats__num{
  font-family:var(--font-en);font-size:38px;font-weight:700;color:var(--navy);
  line-height:1;letter-spacing:-.02em;display:flex;align-items:baseline;gap:4px;
}
.stats__num sup{font-size:15px;color:var(--orange);top:-4px;position:relative;}
.stats__label{font-size:13px;color:var(--muted);letter-spacing:.08em;margin-top:12px;}
.stats__label em{font-style:normal;font-family:var(--font-en);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#A7B0BA;display:block;margin-top:2px;}

/* ---------- 7. 区块通用 ---------- */
.section{padding:110px 0;}
.section--tight{padding:80px 0;}
.section--paper{background:var(--paper);}
.section--dark{background:var(--navy);color:#fff;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
  margin-bottom:56px;padding-bottom:26px;border-bottom:1px solid var(--line);
}
.section--dark .sec-head{border-color:var(--line-light);}
.sec-head__left{max-width:640px;}
.kicker{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--font-en);font-size:10.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--orange);margin-bottom:18px;
}
.kicker i{font-style:normal;font-weight:700;opacity:.85;}
.kicker::after{content:"";width:38px;height:1px;background:currentColor;opacity:.5;}
.sec-title{font-size:clamp(27px,3.1vw,40px);letter-spacing:.04em;color:var(--navy);}
.section--dark .sec-title{color:#fff;}
.sec-title small{
  display:block;font-family:var(--font-en);font-size:11.5px;font-weight:400;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:12px;
}
.section--dark .sec-title small{color:rgba(255,255,255,.45);}
.sec-more{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:13px;letter-spacing:.12em;color:var(--navy);font-weight:600;
  padding-bottom:4px;border-bottom:1px solid var(--navy);
  transition:.25s var(--ease);
}
.sec-more:hover{color:var(--orange);border-color:var(--orange);gap:16px;}
.section--dark .sec-more{color:#fff;border-color:rgba(255,255,255,.4);}
.section--dark .sec-more:hover{color:var(--orange-soft);border-color:var(--orange-soft);}

/* 面包屑 / 页头（与首页同一套淡蓝底色） */
.pagehero{
  background:
    linear-gradient(180deg,#F1F7FC 0%,#D5E3F2 100%);
  color:var(--navy);padding:76px 0 66px;position:relative;overflow:hidden;
  border-bottom:1px solid rgba(10,37,66,.07);
}
.pagehero::after{
  content:"";position:absolute;right:-80px;top:-120px;width:460px;height:460px;
  border:1px solid rgba(10,37,66,.06);border-radius:50%;
  box-shadow:0 0 0 60px rgba(10,37,66,.015),0 0 0 120px rgba(10,37,66,.01);
}
.pagehero__crumb{
  font-size:12px;letter-spacing:.12em;color:#79889A;
  margin-bottom:20px;display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:2;
}
.pagehero__crumb a:hover{color:var(--orange);}
.pagehero__crumb span{color:#B3BECB;}
.pagehero h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:.05em;position:relative;z-index:2;color:var(--navy);}
.pagehero__en{
  font-family:var(--font-en);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:#8A96A4;margin-top:14px;position:relative;z-index:2;
}
.pagehero__desc{
  max-width:640px;color:#4E5A66;font-size:14.5px;line-height:1.95;
  margin-top:22px;position:relative;z-index:2;
}

/* ---------- 8. 产品分类网格 ---------- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.cat{
  background:#fff;padding:0 0 26px;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),z-index .2s;
}
.cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);z-index:3;}
/* 产品卡：实拍图 + 序号角标（V2.6 起用真实产品图，弃用渐变色块） */
.cat__visual{
  position:relative;overflow:hidden;aspect-ratio:1/1;
  background:#F4F8FC;margin-bottom:22px;
}
.cat__visual img{
  width:100%;height:100%;display:block;
  object-fit:cover;object-position:center;
  transition:transform .8s var(--ease);
}
.cat:hover .cat__visual img{transform:scale(1.05);}
.cat__visual::after{ /* 上下极轻的压暗，让照片边缘与卡片收口 */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,37,66,.10) 0%,rgba(10,37,66,0) 24%,rgba(10,37,66,0) 66%,rgba(10,37,66,.12) 100%);
}
.cat__no{
  position:absolute;left:16px;top:14px;z-index:2;
  font-family:var(--font-en);font-size:11px;font-weight:700;line-height:1;
  color:#fff;letter-spacing:.1em;
  background:rgba(10,37,66,.6);padding:7px 9px;
}
.cat__en-tag{display:none;}
.cat__body{padding:0 24px;display:flex;flex-direction:column;flex:1;}
.cat h3{font-size:17.5px;letter-spacing:.03em;color:var(--navy);margin-bottom:6px;}
.cat__en{
  font-family:var(--font-en);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;
  color:#9AA4AF;margin-bottom:14px;line-height:1.6;min-height:26px;
}
.cat__desc{font-size:13px;color:var(--muted);line-height:1.85;flex:1;}
.cat__link{
  margin-top:18px;font-size:12.5px;letter-spacing:.1em;color:var(--navy);font-weight:600;
  display:inline-flex;align-items:center;gap:8px;transition:.25s var(--ease);
}
.cat:hover .cat__link{color:var(--orange);gap:14px;}

/* ---------- 9. 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center;}
.split--rev .split__media{order:2;}
.split__media{
  position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,#0A2542,#12365C);
  overflow:hidden;box-shadow:var(--shadow-l);
}
.split__media::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(120deg,rgba(255,255,255,.07) 0 1px,transparent 1px 40px);
}
/* 放实拍图时：去掉斜纹叠层，图片铺满 4:3 框 */
.split__media--img::after{display:none;}
.split__media--img img{width:100%;height:100%;display:block;object-fit:cover;object-position:center 46%;}
.split__badge{
  position:absolute;left:0;bottom:0;z-index:2;background:var(--orange);color:#fff;
  padding:22px 28px;max-width:260px;
}
.split__badge b{display:block;font-family:var(--font-en);font-size:30px;line-height:1;letter-spacing:-.02em;}
.split__badge span{display:block;font-size:12.5px;margin-top:8px;letter-spacing:.06em;opacity:.92;}
.split__media--photo{background:#0A2542;}
.split__media--photo::after{display:none;}
.split__media--photo img{width:100%;height:100%;object-fit:cover;display:block;}

.split__ph{ /* 图片占位提示 */
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.4);font-size:12px;letter-spacing:.22em;text-align:center;
  padding:30px;line-height:2;
}
.split h2{font-size:clamp(24px,2.7vw,34px);color:var(--navy);margin-bottom:20px;letter-spacing:.03em;}
.split p{color:#4E5A66;font-size:14.8px;line-height:2;margin-bottom:16px;}
.split__list{margin-top:26px;display:grid;gap:0;}
.split__list li{
  display:flex;gap:14px;align-items:flex-start;padding:15px 0;
  border-top:1px solid var(--line);font-size:14px;color:#2C3A48;
}
.split__list li b{
  font-family:var(--font-en);font-size:11px;color:var(--orange);
  letter-spacing:.08em;flex:0 0 30px;padding-top:3px;font-weight:700;
}

/* ---------- 10. 优势卡片 ---------- */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.adv__item{
  background:#fff;border:1px solid var(--line);padding:36px 28px 32px;
  position:relative;transition:.3s var(--ease);
}
.adv__item:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow-m);}
.adv__ico{width:44px;height:44px;margin-bottom:22px;color:var(--orange);}
.adv__item h3{font-size:16.5px;color:var(--navy);margin-bottom:10px;}
.adv__item p{font-size:13px;color:var(--muted);line-height:1.9;}
.adv__no{
  position:absolute;right:22px;top:18px;font-family:var(--font-en);font-size:12px;
  color:#C9D0D7;letter-spacing:.1em;
}

/* ---------- 11. 工厂 / 车间 ---------- */
.factories{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.16);}
.factory{
  position:relative;background:var(--navy-deep);overflow:hidden;
  min-height:400px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:40px;
}
.factory__bg{
  position:absolute;inset:0;
  background:var(--g,linear-gradient(135deg,#12365C,#061729));
  opacity:.95;transition:transform .8s var(--ease);
}
.factory:hover .factory__bg{transform:scale(1.04);}
.factory__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,23,41,.97) 0%,rgba(6,23,41,.9) 38%,rgba(6,23,41,.5) 66%,rgba(6,23,41,.12) 100%);
}
.factory__in{position:relative;z-index:2;color:#fff;}
.factory__tag{
  font-family:var(--font-en);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--orange-soft);margin-bottom:12px;display:block;
}
.factory h3{font-size:24px;letter-spacing:.05em;margin-bottom:10px;}
.factory p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.9;max-width:420px;}
.factory__go{
  margin-top:24px;display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.12em;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:5px;width:fit-content;
  transition:.25s var(--ease);
}
.factory:hover .factory__go{gap:16px;border-color:var(--orange-soft);color:var(--orange-soft);}

/* ---------- 12. 数据 / 时间线 / 详情页 ---------- */
.detail{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start;padding:80px 0 110px;}
.detail__main h2{font-size:24px;color:var(--navy);margin:0 0 18px;letter-spacing:.03em;}
.detail__main h2:not(:first-child){margin-top:44px;padding-top:36px;border-top:1px solid var(--line);}
.detail__main p{font-size:14.8px;line-height:2;color:#4E5A66;margin-bottom:16px;}
.detail__main ul{margin:16px 0 20px;display:grid;gap:10px;}
.detail__main ul li{
  position:relative;padding-left:20px;font-size:14px;color:#3A4753;line-height:1.9;
}
.detail__main ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--orange);transform:rotate(45deg);
}
/* 正文大图（车间/实拍） */
.detail__fig{
  margin:0 0 24px;padding:10px;background:#fff;
  border:1px solid var(--line);box-shadow:0 14px 34px -26px rgba(6,23,41,.35);
}
.detail__fig img{width:100%;height:auto;display:block;}
/* 详情主图统一高度上限，避免竖构图产品把页面拉得过长 */
.detail__main .detail__fig img{
  display:block;margin:0 auto;height:auto;width:auto;
  max-width:100%;max-height:min(56vh,520px);
}
.detail__fig figcaption{
  font-size:12px;color:var(--muted);letter-spacing:.06em;
  padding:12px 4px 2px;border-top:1px solid rgba(10,37,66,.06);margin-top:10px;
}

/* ---- 产品详情正文：概述 / 特点 / 参数 / 应用 ---- */
.detail__main h2:first-of-type{margin-top:34px;padding-top:0;border-top:0;}
.detail__intro p:last-child{margin-bottom:0;}

.d-feats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:rgba(10,37,66,.1);border:1px solid rgba(10,37,66,.1);margin:4px 0 0;
}
.d-feat{background:#fff;padding:22px 22px 20px;transition:background .3s var(--ease);}
.d-feat:hover{background:#F7FBFF;}
.d-feat__no{
  font-family:var(--font-en);font-size:10px;letter-spacing:.18em;
  color:var(--orange);font-weight:600;
}
.d-feat h4{font-size:14.5px;color:var(--navy);margin:9px 0 6px;letter-spacing:.02em;}
.d-feat p{font-size:12.8px;line-height:1.85;color:#65727F;margin:0;}

.d-spec{border:1px solid rgba(10,37,66,.1);background:#fff;margin:4px 0 14px;}
.d-spec table{width:100%;border-collapse:collapse;}
.d-spec th,.d-spec td{
  padding:13px 20px;font-size:13.5px;text-align:left;
  border-bottom:1px solid rgba(10,37,66,.07);vertical-align:top;
}
.d-spec tr:last-child th,.d-spec tr:last-child td{border-bottom:0;}
.d-spec th{
  width:152px;background:#EDF4FB;color:var(--navy);font-weight:600;
  letter-spacing:.04em;white-space:nowrap;
}
.d-spec td{color:#4E5A66;letter-spacing:.01em;}
.detail__main .d-note{
  font-size:12.3px;color:#8794A1;line-height:1.9;margin:0;
  padding-left:13px;border-left:2px solid rgba(242,101,34,.5);
}

.d-apps{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:2px 0 0;}
.d-app{
  display:flex;gap:13px;align-items:flex-start;padding:16px 18px;
  background:#F2F8FD;border:1px solid rgba(10,37,66,.07);
}
.d-app span{
  font-family:var(--font-en);font-size:10.5px;letter-spacing:.12em;
  color:var(--orange);font-weight:600;line-height:2;
}
.d-app b{font-size:13.4px;color:#33414F;font-weight:500;line-height:1.75;}

.d-cta{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  margin-top:34px;padding:24px 28px;background:#E9F1F9;
  border-left:3px solid var(--orange);
}
.d-cta h4{font-size:15px;color:var(--navy);margin-bottom:7px;letter-spacing:.03em;}
.d-cta p{font-size:12.8px;color:#5B6976;margin:0;line-height:1.8;}
.d-cta .btn{flex:none;padding:13px 26px;font-size:13px;}

/* 关键数据条（企业概况） */
.facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin:28px 0 26px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.facts__item{padding:22px 18px 20px;border-right:1px solid var(--line);}
.facts__item:last-child{border-right:0;}
.facts__num{
  font-family:var(--font-en);font-size:32px;font-weight:700;color:var(--navy);
  line-height:1;letter-spacing:-.02em;
}
.facts__num sup{font-size:13px;font-weight:600;color:var(--orange);position:relative;top:-12px;margin-left:3px;letter-spacing:0;}
.facts__label{font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-top:12px;}
.facts__label em{
  font-style:normal;display:block;font-family:var(--font-en);font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;color:#A7B0BA;margin-top:3px;
}

.ph-box{
  border:1px dashed rgba(10,37,66,.25);background:
    repeating-linear-gradient(45deg,#F7FAFD 0 10px,#E9F0F8 10px 20px);
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;color:#8A949E;font-size:12.5px;letter-spacing:.16em;text-align:center;padding:30px;
  margin:8px 0 24px;
}
.ph-box b{font-family:var(--font-en);font-size:10px;letter-spacing:.2em;color:#A9B2BB;font-weight:500;}
.ph-box--sm{min-height:132px;margin-top:0;}

/* 侧栏 */
.aside{position:sticky;top:110px;display:grid;gap:24px;}
/* 侧栏：统一为比页面底色深一档的蓝，整块同色衬托 */
.aside__box{border:1px solid rgba(10,37,66,.1);background:#E3EDF9;}
.aside__head{
  background:#D6E4F4;color:var(--navy);padding:16px 22px;
  border-bottom:1px solid rgba(10,37,66,.09);
  font-size:14px;letter-spacing:.08em;display:flex;justify-content:space-between;align-items:center;
}
.aside__head span{font-family:var(--font-en);font-size:9px;letter-spacing:.16em;color:#6C7C8E;text-transform:uppercase;}
.aside__list a{
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  padding:13px 22px;font-size:13.5px;color:#26384B;border-bottom:1px solid rgba(10,37,66,.07);
  transition:.2s var(--ease);
}
.aside__list a:last-child{border-bottom:0;}
.aside__list a:hover,.aside__list a.is-active{background:#CFE1F5;color:var(--orange);padding-left:26px;}
.aside__list a.is-active{box-shadow:inset 3px 0 0 var(--orange);}
.aside__list a i{font-style:normal;font-family:var(--font-en);font-size:10px;color:#8598AC;}
.aside__contact{background:#CFE1F5;color:var(--navy);padding:30px 26px;border:1px solid rgba(10,37,66,.1);border-top:0;}
.aside__contact h4{font-size:15px;letter-spacing:.06em;margin-bottom:8px;color:var(--navy);}
.aside__contact p{font-size:12.5px;color:#4C5C6D;line-height:1.9;margin-bottom:18px;}
.aside__contact a.btn{width:100%;padding:13px 0;font-size:13px;background:var(--orange);}

/* ---------- 13. 联系我们 ---------- */
.contact-grid{
  display:grid;grid-template-columns:1.04fr .96fr;gap:22px;
  max-width:var(--shell);margin:0 auto;padding:56px 32px 0;
  background:transparent;color:var(--navy);
}
.contact-info{
  padding:46px 46px 40px;background:#fff;
  border:1px solid var(--line);
  box-shadow:0 26px 60px -46px rgba(6,23,41,.35);
}
.contact-info h2{font-size:clamp(23px,2.4vw,29px);margin-bottom:14px;letter-spacing:.04em;color:var(--navy);}
.contact-info>p{color:#6C7887;font-size:14px;line-height:2;margin-bottom:34px;max-width:460px;}
.cinfo{display:grid;gap:0;}
.cinfo__row{
  display:grid;grid-template-columns:120px 1fr;gap:20px;
  padding:18px 0;border-top:1px solid var(--line);align-items:start;
}
.cinfo__row dt{
  font-size:12.5px;color:#7C8895;letter-spacing:.1em;display:flex;align-items:center;gap:9px;
}
.cinfo__row dt svg{width:14px;height:14px;flex:0 0 14px;color:var(--orange);}
.cinfo__row dd{margin:0;font-size:14.5px;color:var(--navy);line-height:1.9;letter-spacing:.02em;}
.cinfo__row dd em{font-style:normal;color:#8D97A3;font-size:12px;display:block;margin-top:4px;}
.cinfo__row dd a{color:var(--navy);border-bottom:1px solid rgba(242,101,34,.55);padding-bottom:1px;}
.cinfo__row dd a:hover{color:var(--orange);border-color:var(--orange);}
.contact-map{
  position:relative;overflow:hidden;min-height:460px;
  padding:10px;background:#fff;
  border:1px solid var(--line);
  box-shadow:0 26px 60px -48px rgba(6,23,41,.4);
}
.contact-map img{
  position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);
  object-fit:cover;object-position:22% center;display:block;
  border:1px solid rgba(10,37,66,.07);
}
.contact-map__tag{
  position:absolute;right:11px;bottom:11px;z-index:2;
  background:rgba(255,255,255,.9);color:#77828F;
  font-size:10px;letter-spacing:.04em;padding:3px 8px;
}

/* 联系页底部提示（替代原表单占位） */
.contact-note{
  margin:30px auto 0;max-width:900px;padding:0 0 64px;
  font-size:13.5px;line-height:2.1;color:#5A6675;letter-spacing:.02em;
  border-top:1px solid rgba(10,37,66,.08);padding-top:26px;
}
.contact-note strong{color:var(--navy);font-weight:600;}

/* 表单（可选，保留结构） */
.form{display:grid;gap:16px;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form label{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.5);display:block;margin-bottom:7px;}
.form input,.form textarea,.form select{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);
  color:#fff;padding:13px 15px;font-size:14px;font-family:inherit;border-radius:0;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--orange);background:rgba(255,255,255,.08);}
.form textarea{min-height:110px;resize:vertical;}

/* ---------- 14. CTA 横幅 ---------- */
.cta{
  background:linear-gradient(115deg,#0A2542,#12365C);
  color:#fff;padding:74px 0;position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:-100px;top:-100px;width:420px;height:420px;
  border:26px solid rgba(242,101,34,.16);border-radius:50%;
}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:2;flex-wrap:wrap;}
.cta h2{font-size:clamp(24px,2.8vw,34px);letter-spacing:.04em;margin-bottom:10px;}
.cta p{color:rgba(255,255,255,.6);font-size:14px;}
.cta__btns{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 15. 页脚 ---------- */
.footer{background:var(--navy-deep);color:rgba(255,255,255,.55);padding:72px 0 0;font-size:13.5px;}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:54px;}
.footer__brand .brand__cn{color:#fff;font-size:19px;}
.footer__brand .brand__en{color:rgba(255,255,255,.4);}
.footer__brand p{font-size:12.5px;line-height:2;margin-top:20px;max-width:320px;color:rgba(255,255,255,.45);}
.footer h4{
  color:#fff;font-size:13px;letter-spacing:.14em;margin-bottom:20px;font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.footer h4::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.1);}
.footer__links{display:grid;gap:11px;}
.footer__links a{font-size:13px;transition:color .2s,padding-left .2s;}
.footer__links a:hover{color:var(--orange-soft);padding-left:4px;}
.footer__contact{display:grid;gap:14px;font-size:13px;line-height:1.8;}
.footer__contact div{display:flex;gap:10px;}
.footer__contact dt{color:rgba(255,255,255,.35);flex:0 0 48px;font-size:12px;}
.footer__contact dd{margin:0;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.35);letter-spacing:.04em;
}
.footer__bottom a:hover{color:var(--orange-soft);}

/* ---------- 15.5 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:80;
  width:46px;height:46px;border:0;cursor:pointer;
  background:var(--navy);color:#fff;font-size:17px;line-height:1;
  box-shadow:var(--shadow-m);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--orange);}

/* ---------- 16. 动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 加工链路 ---------- */
.section--flow{background:#F6F7F9;border-top:1px solid #E8ECF1;border-bottom:1px solid #E8ECF1;}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0 22px;}
.flow__item{position:relative;padding:26px 0 0;border-top:2px solid #DDE3EB;}
.flow__item::before{content:"";position:absolute;top:-2px;left:0;width:52px;height:2px;background:var(--orange);}
.flow__item b{display:block;font-family:var(--font-en);font-size:12.5px;letter-spacing:.18em;
  color:#B4BFCC;margin-bottom:12px;font-weight:400;}
.flow__item h4{margin:0 0 6px;font-size:17px;color:var(--navy);letter-spacing:.02em;}
.flow__item span{display:block;font-family:var(--font-en);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:#A0ADBB;margin-bottom:12px;}
.flow__item p{margin:0;font-size:13.5px;line-height:1.9;color:#6D7A88;}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1180px){
  .cats{grid-template-columns:repeat(3,1fr);}
  .flow{grid-template-columns:repeat(3,1fr);gap:0 22px;row-gap:30px;}
  .adv{grid-template-columns:repeat(2,1fr);}
  .split{gap:48px;}
  .detail{grid-template-columns:1fr 280px;gap:40px;}
  .nav__link{padding:0 13px;font-size:14px;}
  .brand__cn{font-size:18px;}
  .hero__eyebrow{font-size:10.5px;letter-spacing:.24em;}
  .hero__eyebrow::before,.hero__eyebrow::after{width:36px;}
  .hero__tags span{font-size:11.5px;padding:7px 12px;letter-spacing:.06em;}
  .reel__item{width:276px;flex:0 0 276px;padding:13px 16px;}
  .hero__wm{display:none;}
}
@media (max-width:980px){
  .topbar__name span{display:none;}
  .topbar__meta{gap:16px;}
  .header__in{height:72px;}
  .burger{display:flex;}
  .header__cta{display:none;}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;height:auto;
    border-top:1px solid var(--line);box-shadow:var(--shadow-m);
    display:none;max-height:calc(100dvh - 112px);overflow-y:auto;
  }
  .nav.is-open{display:flex;}
  .nav__item{height:auto;display:block;border-bottom:1px solid #E7EEF5;}
  .nav__link{height:auto;padding:16px 24px;justify-content:space-between;}
  .nav__link::after{display:none;}
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border-top:0;background:#F3F8FC;padding:0;display:none;
  }
  .nav__item.is-open .dropdown{display:block;}
  .dropdown--wide{grid-template-columns:1fr;min-width:0;}
  .nav__item:hover .dropdown--wide,
  .nav__item:focus-within .dropdown--wide{transform:none;}
  .nav__caret{transform:rotate(45deg);}
  .hero{padding:64px 0 0;}
  .hero__in{padding:0 24px;}
  .hero__copy{max-width:100%;}
  .hero__en{white-space:normal;letter-spacing:.14em;}
  .hero__wm{font-size:clamp(120px,26vw,200px);bottom:96px;}
  .hero--deep{
    background:
      radial-gradient(80% 40% at 90% -8%,rgba(242,101,34,.1) 0%,rgba(242,101,34,0) 60%),
      radial-gradient(64% 54% at 0% 100%,rgba(24,64,104,.85) 0%,rgba(24,64,104,0) 68%),
      linear-gradient(158deg,#05141F 0%,#0A2542 52%,#12365C 100%);
  }
  .hero--deep .hero__ring--2,.hero--deep .hero__ring--3{display:none;}
  .hero:not(.hero--deep):not(.hero--light){
    background:
      radial-gradient(64% 34% at 92% -6%,rgba(242,101,34,.07) 0%,rgba(242,101,34,0) 60%),
      radial-gradient(62% 52% at 0% 102%,rgba(10,37,66,.06) 0%,rgba(10,37,66,0) 66%),
      linear-gradient(180deg,#F3F8FC 0%,#E5EEF8 50%,#D3E1F0 100%);
  }
  .hero__ring--2,.hero__ring--3{display:none;}
  .reel{margin-top:56px;}
  .reel{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 96px,#000 calc(100% - 96px),transparent 100%);
        mask-image:linear-gradient(90deg,transparent 0,#000 96px,#000 calc(100% - 96px),transparent 100%);}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:48px;}
  .stats__item:nth-child(2){border-right:0;}
  .stats__item:nth-child(1),.stats__item:nth-child(2){border-bottom:1px solid var(--line);}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split--rev .split__media{order:0;}
  .factories{grid-template-columns:1fr;}
  .detail{grid-template-columns:1fr;}
  .aside{position:static;}
  .contact-grid{grid-template-columns:1fr;}
  .facts{grid-template-columns:1fr 1fr;margin:24px 0 22px;}
  .facts__item{padding:18px 16px 16px;}
  .facts__item:nth-child(2n){border-right:0;}
  .facts__item:nth-child(1),.facts__item:nth-child(2){border-bottom:1px solid var(--line);}
  .facts__num{font-size:26px;}
  .contact-map{min-height:240px;order:0;}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:40px;}
}
@media (max-width:680px){
  .shell{padding:0 20px;}
  /* 顶部信息条在窄屏收敛，避免撑破视口 */
  .topbar__in{height:auto;min-height:36px;padding:8px 0;gap:10px;}
  .topbar__name{min-width:0;flex:1 1 auto;}
  .topbar__name b{font-size:11px;letter-spacing:.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar__meta{flex:0 0 auto;gap:0;}
  .topbar__meta a{display:none;}
  .topbar__meta span{font-size:10.5px;letter-spacing:.04em;}
  .topbar__dot{display:none;}
  .marquee::before{padding:0 10px;font-size:9px;letter-spacing:.14em;}
  .marquee__group span{font-size:12px;}
  .cats{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;row-gap:26px;}
  .cat__visual{aspect-ratio:1/1;}
  .cat__body{padding:0 16px;}
  .cat h3{font-size:15.5px;}
  .cat__desc{display:none;}
  .cat__en{font-size:9px;min-height:22px;margin-bottom:8px;}
  .adv{grid-template-columns:1fr;}
  .hero{padding:52px 0 0;}
  .hero__eyebrow{font-size:9.5px;letter-spacing:.14em;gap:8px;flex-wrap:wrap;row-gap:8px;}
  .hero__eyebrow::before,.hero__eyebrow::after{width:22px;}
  .hero__en{font-size:10.5px;letter-spacing:.1em;}
  .brand__mark{height:42px;}
  .hero h1{line-height:1.2;letter-spacing:.04em;transform:none;}
  .hero__h1-top{letter-spacing:.24em;padding-left:.24em;margin-bottom:.2em;}
  .hero__desc{font-size:15px;line-height:1.95;}
  .hero__tags span{font-size:11px;padding:7px 11px;}
  .hero__wm{display:none;}
  .reel{margin-top:44px;padding:20px 0;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 60px,#000 calc(100% - 60px),transparent 100%);
            mask-image:linear-gradient(90deg,transparent 0,#000 60px,#000 calc(100% - 60px),transparent 100%);}
  .reel__item{width:228px;flex:0 0 228px;padding:11px 16px;gap:11px;}
  .reel__ico{width:32px;height:32px;flex:0 0 32px;}
  .reel__txt b{font-size:13.5px;}
  .stats__item{padding:24px 20px;}
  .stats__num{font-size:30px;}
  .contact-info{padding:44px 24px;}
  .cinfo__row{grid-template-columns:96px 1fr;gap:12px;}
  .factory{padding:28px;min-height:320px;}
  .footer__top{grid-template-columns:1fr;}
  .form__row{grid-template-columns:1fr;}
  /* 产品详情正文 */
  .d-feats{grid-template-columns:1fr;}
  .d-feat{padding:18px 18px 16px;}
  .d-apps{grid-template-columns:1fr;}
  .d-spec th,.d-spec td{padding:11px 14px;font-size:12.8px;}
  .d-spec th{width:96px;white-space:normal;}
  .d-cta{flex-direction:column;align-items:flex-start;gap:16px;padding:20px;}
  .d-cta .btn{width:100%;text-align:center;}
}