/* ============================================================
   锐光光电 RUIGUANG OPTOELECTRONICS — 全局样式
   深海军蓝 + 暖琥珀 LED 光色，工业 B2B 气质
   ============================================================ */

/* ---------- 字体（本地化 woff2） ---------- */
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:400;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-latin-400-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:500;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-latin-500-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:700;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-latin-700-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:400;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-chinese-simplified-400-normal.woff2") format("woff2");
  unicode-range:U+2E80-2EFF,U+3000-303F,U+3040-30FF,U+31C0-31EF,U+3400-4DBF,U+4E00-9FFF,U+A000-A48F,U+A490-A4CF,U+AC00-D7AF,U+F900-FAFF,U+FE10-FE19,U+FE30-FE6F,U+FF00-FF66,U+FF70-FFDC;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:500;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-chinese-simplified-500-normal.woff2") format("woff2");
  unicode-range:U+2E80-2EFF,U+3000-303F,U+3040-30FF,U+31C0-31EF,U+3400-4DBF,U+4E00-9FFF,U+A000-A48F,U+A490-A4CF,U+AC00-D7AF,U+F900-FAFF,U+FE10-FE19,U+FE30-FE6F,U+FF00-FF66,U+FF70-FFDC;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:700;font-display:swap;
  src:url("../assets/fonts/noto-sans-sc-chinese-simplified-700-normal.woff2") format("woff2");
  unicode-range:U+2E80-2EFF,U+3000-303F,U+3040-30FF,U+31C0-31EF,U+3400-4DBF,U+4E00-9FFF,U+A000-A48F,U+A490-A4CF,U+AC00-D7AF,U+F900-FAFF,U+FE10-FE19,U+FE30-FE6F,U+FF00-FF66,U+FF70-FFDC;
}
@font-face{
  font-family:"Barlow Condensed";
  font-style:normal;font-weight:500;font-display:swap;
  src:url("../assets/fonts/barlow-condensed-latin-500-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Barlow Condensed";
  font-style:normal;font-weight:600;font-display:swap;
  src:url("../assets/fonts/barlow-condensed-latin-600-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ---------- 设计变量 ---------- */
:root{
  --navy:#0F1D2E;
  --navy-2:#16273C;
  --navy-3:#1E3350;
  --amber:#F2A93B;
  --amber-deep:#DE8F1F;
  --amber-soft:#FBF0DC;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --line:#E3E9F1;
  --text:#1B2735;
  --text-2:#55677B;
  --text-3:#8B99AA;
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,sans-serif;
  --font-en:"Barlow Condensed","Noto Sans SC",sans-serif;
  --container:1200px;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,29,46,.08);
  --shadow-lg:0 20px 50px rgba(15,29,46,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset / 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-cn);
  font-size:15.5px;line-height:1.75;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--amber);color:var(--navy)}

.container{width:min(100% - 48px,var(--container));margin-inline:auto}
.section{padding:92px 0}
.section-tight{padding:64px 0}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-en);font-size:14px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber-deep);
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--amber);border-radius:2px;flex:none}
.sec-head{margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-title{
  font-size:clamp(26px,3.2vw,34px);font-weight:700;line-height:1.3;
  color:var(--navy);letter-spacing:.01em;
}
.sec-title em{font-style:normal;color:var(--amber-deep)}
.sec-sub{margin-top:12px;color:var(--text-2);max-width:680px;font-size:15px}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-head.row .sec-sub{margin-top:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--amber);color:var(--navy);box-shadow:0 8px 24px rgba(242,169,59,.35)}
.btn-primary:hover{background:var(--amber-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(222,143,31,.4)}
.btn-outline{border:1.5px solid var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{border-color:var(--amber-deep);color:var(--amber-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.btn-light:hover{background:var(--amber);transform:translateY(-2px)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost-light:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}

.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:500;color:var(--navy);
  transition:color .25s;
}
.link-more svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.link-more:hover{color:var(--amber-deep)}
.link-more:hover svg{transform:translateX(4px)}

.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.05em;
}
.tag-news{background:var(--amber-soft);color:var(--amber-deep)}
.tag-industry{background:#E8EEF7;color:#2E5A9E}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--navy);color:rgba(255,255,255,.82);
  font-size:13px;
  transition:max-height .35s var(--ease),opacity .3s;
  max-height:60px;overflow:hidden;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:9px 0;
}
.topbar .tb-left,.topbar .tb-right{display:flex;align-items:center;gap:22px}
.topbar a{display:inline-flex;align-items:center;gap:7px;transition:color .25s}
.topbar a:hover{color:var(--amber)}
.topbar svg{width:14px;height:14px;flex:none;color:var(--amber)}
.topbar .tb-badge{color:rgba(255,255,255,.55)}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 8px 30px rgba(15,29,46,.10)}
.site-header.scrolled .topbar{max-height:0;opacity:0}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px 0;transition:padding .3s var(--ease);
}
.site-header.scrolled .nav-inner{padding:9px 0}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand .brand-mark{width:46px;height:46px;flex:none;filter:drop-shadow(0 4px 10px rgba(15,29,46,.18))}
.brand .brand-name{font-size:22px;font-weight:700;color:var(--navy);letter-spacing:.04em;line-height:1.15}
.brand .brand-en{font-family:var(--font-en);font-size:10.5px;font-weight:600;letter-spacing:.24em;color:var(--text-3);text-transform:uppercase;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;padding:10px 16px;font-size:15.5px;font-weight:500;color:var(--text);
  transition:color .25s;
}
.main-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2.5px;border-radius:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.main-nav a:hover{color:var(--navy)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--amber-deep);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:14px;flex:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--navy);
  transition:transform .3s var(--ease),opacity .3s;
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero（首页） ---------- */
.hero{
  position:relative;min-height:calc(100vh - 116px);
  display:flex;align-items:center;
  color:#fff;overflow:hidden;
  background:var(--navy);
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 62%}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(15,29,46,.78) 0%,rgba(15,29,46,.55) 52%,rgba(15,29,46,.84) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:96px 0 72px;text-align:center}
.hero .eyebrow{color:var(--amber)}
.hero h1{
  margin:20px auto 22px;max-width:820px;
  font-size:clamp(34px,5vw,58px);font-weight:700;line-height:1.22;
  letter-spacing:.01em;
}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero-desc{max-width:640px;margin-inline:auto;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;justify-content:center}
.hero-stats{
  margin-top:64px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.18);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.hero-stat .hs-num{
  font-family:var(--font-en);font-size:clamp(30px,3.6vw,42px);font-weight:600;line-height:1;
  color:var(--amber);letter-spacing:.02em;
}
.hero-stat .hs-label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.72)}

/* ---------- 页内 Hero ---------- */
.page-hero{
  position:relative;background:var(--navy);color:#fff;overflow:hidden;
  padding:74px 0 60px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 300px at 82% -20%,rgba(242,169,59,.16),transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.03),transparent);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,169,59,.55),transparent);
}
.page-hero-inner{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:18px}
.breadcrumb a{transition:color .25s}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb svg{width:12px;height:12px;flex:none}
.page-hero h1{font-size:clamp(28px,3.6vw,40px);font-weight:700;letter-spacing:.01em}
.page-hero .ph-sub{margin-top:14px;max-width:640px;font-size:15.5px;color:rgba(255,255,255,.78)}

/* ---------- 首页：公司简介 ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.intro-media{position:relative}
.intro-media>img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:3/2.1;object-fit:cover;width:100%}
.intro-badge{
  position:absolute;left:-22px;bottom:-22px;
  background:var(--navy);color:#fff;border-radius:14px;
  padding:20px 26px;display:flex;align-items:center;gap:14px;
  box-shadow:var(--shadow-lg);
}
.intro-badge .ib-num{font-family:var(--font-en);font-size:38px;font-weight:600;color:var(--amber);line-height:1}
.intro-badge .ib-text{font-size:13px;color:rgba(255,255,255,.82);line-height:1.5}
.intro-copy .lead{margin-top:22px;font-size:16px;color:var(--text);font-weight:500}
.intro-copy p.body{margin-top:14px;color:var(--text-2)}
.intro-facts{
  margin-top:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.intro-fact .if-num{font-family:var(--font-en);font-size:26px;font-weight:600;color:var(--navy);line-height:1.1}
.intro-fact .if-num small{font-size:15px;color:var(--amber-deep);font-weight:600}
.intro-fact .if-label{margin-top:4px;font-size:12.5px;color:var(--text-3)}
.intro-copy .btn{margin-top:30px}

/* ---------- 首页：核心产品 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.prod-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#D6DEE9}
.prod-card .pc-img{aspect-ratio:4/3;overflow:hidden;background:#EEF1F6}
.prod-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.prod-card:hover .pc-img img{transform:scale(1.06)}
.prod-card .pc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.pc-code{font-family:var(--font-en);font-size:14px;font-weight:600;letter-spacing:.14em;color:var(--amber-deep)}
.prod-card h3{font-size:18px;font-weight:700;color:var(--navy)}
.prod-card .pc-desc{font-size:13.5px;color:var(--text-2);flex:1}
.pc-specs{margin-top:6px;border-top:1px dashed var(--line);padding-top:12px;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.pc-specs span{font-size:12.5px;color:var(--text-3)}
.pc-specs b{color:var(--text);font-weight:600}
.prod-note{
  margin-top:36px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 26px;
}
.prod-note .pn-text{font-size:14.5px;color:var(--text-2)}
.prod-note .pn-text b{color:var(--navy)}

/* ---------- 首页：生产实力（深色） ---------- */
.capability{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.capability::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(900px 500px at 20% 20%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(900px 500px at 20% 20%,#000 30%,transparent 75%);
}
.capability .sec-title{color:#fff}
.capability .sec-sub{color:rgba(255,255,255,.68)}
.capability .eyebrow{color:var(--amber)}
.cap-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center;position:relative;z-index:1}
.cap-copy .cap-list{margin-top:28px;display:grid;gap:18px}
.cap-item{display:flex;gap:16px;align-items:flex-start}
.cap-item .ci-num{
  font-family:var(--font-en);font-size:15px;font-weight:600;color:var(--amber);
  border:1px solid rgba(242,169,59,.5);border-radius:8px;width:42px;height:42px;flex:none;
  display:flex;align-items:center;justify-content:center;background:rgba(242,169,59,.08);
}
.cap-item h4{font-size:17px;font-weight:600;color:#fff;margin-bottom:4px}
.cap-item p{font-size:13.8px;color:rgba(255,255,255,.68)}
.cap-media{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cap-media figure{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:0 14px 36px rgba(0,0,0,.35)}
.cap-media figure:nth-child(odd){transform:translateY(20px)}
.cap-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.cap-media figure:hover img{transform:scale(1.05)}
.cap-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;
  font-size:13px;font-weight:500;color:#fff;
  background:linear-gradient(0deg,rgba(15,29,46,.85),transparent);
}

/* ---------- 品质 ---------- */
.quality-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.quality-media{position:relative}
.quality-media>img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--shadow-lg)}
.quality-media .qm-float{
  position:absolute;right:-18px;top:-18px;background:var(--amber);color:var(--navy);
  border-radius:12px;padding:14px 20px;text-align:center;box-shadow:var(--shadow-lg);
}
.qm-float .qf-num{font-family:var(--font-en);font-size:30px;font-weight:600;line-height:1}
.qm-float .qf-label{font-size:12px;font-weight:500;margin-top:3px}
.quality-copy .qc-list{margin-top:26px;display:grid;gap:14px}
.qc-item{display:flex;gap:13px;align-items:flex-start}
.qc-item svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--amber-deep)}
.qc-item h4{font-size:15.5px;font-weight:600;color:var(--navy)}
.qc-item p{font-size:13.5px;color:var(--text-2);margin-top:2px}
.cert-row{margin-top:44px;padding-top:32px;border-top:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cert-row .cr-label{font-size:13.5px;color:var(--text-3);margin-right:6px}
.cert-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);font-size:13.5px;font-weight:500;color:var(--navy);
}
.cert-chip svg{width:15px;height:15px;color:var(--amber-deep);flex:none}

/* ---------- 首页：新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .nc-img{aspect-ratio:16/10;overflow:hidden;position:relative;background:#EEF1F6}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .nc-img img{transform:scale(1.06)}
.nc-date{
  position:absolute;left:16px;bottom:14px;background:rgba(15,29,46,.88);color:#fff;
  border-radius:8px;padding:7px 12px;font-size:12.5px;letter-spacing:.04em;backdrop-filter:blur(4px);
}
.news-card .nc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .nc-meta{display:flex;align-items:center;gap:10px}
.news-card h3{font-size:17px;font-weight:700;color:var(--navy);line-height:1.45}
.news-card h3 a{transition:color .25s}
.news-card h3 a:hover{color:var(--amber-deep)}
.news-card .nc-sum{font-size:13.5px;color:var(--text-2);flex:1}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--amber) 0%,#F6BE6B 55%,var(--amber) 100%);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(480px 260px at 88% 120%,rgba(255,255,255,.55),transparent 65%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:58px 0}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--navy);line-height:1.35}
.cta-inner p{margin-top:8px;color:rgba(15,29,46,.78);font-size:15px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.72);position:relative}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.4fr;gap:44px;padding:70px 0 54px}
.footer-brand .brand-name{font-size:24px;font-weight:700;color:#fff;letter-spacing:.04em;margin-top:16px}
.footer-brand .brand-en{font-family:var(--font-en);font-size:11px;letter-spacing:.26em;color:var(--amber);margin-top:4px;text-transform:uppercase}
.footer-brand p{margin-top:18px;font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.6);max-width:330px}
.footer-brand .fb-cert{margin-top:20px;display:flex;gap:8px;flex-wrap:wrap}
.footer-brand .fb-cert span{
  font-size:12px;border:1px solid rgba(255,255,255,.22);border-radius:6px;padding:4px 10px;color:rgba(255,255,255,.75);
}
.site-footer h4{font-size:15.5px;font-weight:600;color:#fff;margin-bottom:20px;letter-spacing:.03em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.66);transition:color .25s,padding-left .25s}
.footer-col a:hover{color:var(--amber);padding-left:5px}
.footer-col .fc-item{display:flex;gap:12px;font-size:13.8px;color:rgba(255,255,255,.66);margin-bottom:16px;line-height:1.7}
.footer-col .fc-item svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--amber)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:rgba(255,255,255,.45);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:46px;height:46px;border-radius:12px;
  background:var(--navy);color:var(--amber);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s,visibility .3s,transform .3s var(--ease),background .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--amber);color:var(--navy)}
.to-top svg{width:20px;height:20px}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ============================================================
   产品中心页
   ============================================================ */
.catalog-intro{text-align:center;max-width:720px;margin:0 auto 52px}
.catalog-intro .eyebrow{margin-bottom:14px}
.catalog-intro h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--navy)}
.catalog-intro p{margin-top:14px;color:var(--text-2)}
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.catalog-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.catalog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#D6DEE9}
.catalog-card .cc-img{aspect-ratio:4/3;overflow:hidden;background:#EEF1F6;position:relative}
.catalog-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.catalog-card:hover .cc-img img{transform:scale(1.06)}
.cc-cat{
  position:absolute;left:16px;top:14px;background:rgba(15,29,46,.82);color:#fff;
  font-size:12px;letter-spacing:.1em;padding:5px 12px;border-radius:6px;backdrop-filter:blur(4px);
  font-family:var(--font-en);font-weight:600;
}
.catalog-card .cc-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.catalog-card h3{font-size:19px;font-weight:700;color:var(--navy)}
.catalog-card .cc-model{font-family:var(--font-en);font-size:13.5px;font-weight:600;letter-spacing:.16em;color:var(--amber-deep);margin-top:3px}
.catalog-card .cc-desc{font-size:14px;color:var(--text-2);margin-top:12px;line-height:1.75}
.cc-specs{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px}
.cc-specs .cs-row{display:flex;justify-content:space-between;gap:14px;font-size:13px;padding:5.5px 0}
.cc-specs .cs-row+.cs-row{border-top:1px dotted var(--line)}
.cc-specs .cs-row dt{color:var(--text-3);flex:none}
.cc-specs .cs-row dd{color:var(--text);font-weight:500;text-align:right}
.catalog-card .cc-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}

/* 定制流程 */
.process{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.process::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:44px 44px;
}
.process .sec-title{color:#fff}
.process .sec-sub{color:rgba(255,255,255,.68)}
.process-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-card{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:28px 24px;background:rgba(255,255,255,.04);
  transition:transform .35s var(--ease),border-color .35s,background .35s;
  position:relative;
}
.process-card:hover{transform:translateY(-6px);border-color:rgba(242,169,59,.6);background:rgba(242,169,59,.07)}
.process-card .pc-num{
  font-family:var(--font-en);font-size:44px;font-weight:600;line-height:1;color:var(--amber);
}
.process-card h4{font-size:17px;font-weight:600;color:#fff;margin:14px 0 8px}
.process-card p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.8}
.process-card .pc-days{
  display:inline-block;margin-top:14px;font-size:12.5px;color:var(--amber);
  border:1px solid rgba(242,169,59,.45);border-radius:999px;padding:3px 12px;
}

/* 承诺条 */
.promise-band{border-top:1px solid var(--line);background:var(--card)}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:54px 0}
.promise-item{display:flex;gap:16px;align-items:flex-start}
.promise-item svg{width:34px;height:34px;flex:none;padding:7px;border-radius:9px;background:var(--amber-soft);color:var(--amber-deep)}
.promise-item h4{font-size:15.5px;font-weight:600;color:var(--navy)}
.promise-item p{font-size:13px;color:var(--text-2);margin-top:4px;line-height:1.7}

/* ============================================================
   关于我们页
   ============================================================ */
.about-intro{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.about-intro .ai-media{position:relative}
.about-intro .ai-media>img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--shadow-lg)}
.ai-float{
  position:absolute;left:-20px;bottom:-20px;background:var(--navy);color:#fff;
  border-radius:14px;padding:18px 24px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:13px;
}
.ai-float .af-num{font-family:var(--font-en);font-size:34px;font-weight:600;color:var(--amber);line-height:1}
.ai-float .af-text{font-size:12.8px;color:rgba(255,255,255,.84);line-height:1.5}
.about-intro .ai-copy .lead{margin-top:20px;font-size:16px;color:var(--text);font-weight:500}
.about-intro .ai-copy p{margin-top:14px;color:var(--text-2)}
.about-intro .ai-copy p+p{margin-top:12px}

/* 数据条 */
.stat-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.stat-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:44px 44px;
}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:62px 0}
.stat-item{text-align:center;padding:0 10px}
.stat-item .st-num{font-family:var(--font-en);font-size:clamp(34px,4vw,48px);font-weight:600;color:var(--amber);line-height:1}
.stat-item .st-num small{font-size:20px;margin-left:2px}
.stat-item .st-label{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.72)}

/* 发展历程时间轴 */
.timeline{position:relative;max-width:880px;margin:0 auto;padding:8px 0 4px}
.timeline::before{
  content:"";position:absolute;top:6px;bottom:6px;left:27px;width:2px;
  background:linear-gradient(180deg,var(--amber),var(--line) 70%);
  border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  width:14px;height:14px;border-radius:50%;justify-self:center;margin-top:7px;
  background:var(--amber);box-shadow:0 0 0 5px rgba(242,169,59,.22);
}
.tl-item:first-child .tl-dot{background:var(--amber-deep);box-shadow:0 0 0 5px rgba(222,143,31,.22)}
.tl-body .tl-time{
  font-family:var(--font-en);font-size:20px;font-weight:600;letter-spacing:.12em;
  color:var(--amber-deep);line-height:1.2;
}
.tl-body h4{font-size:17.5px;font-weight:700;color:var(--navy);margin:5px 0 6px}
.tl-body p{font-size:14px;color:var(--text-2);line-height:1.8}

/* 工厂实力 */
.strength-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.strength-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.strength-media img{border-radius:var(--radius);width:100%;aspect-ratio:4/3.4;object-fit:cover;box-shadow:var(--shadow)}
.strength-media img:first-child{margin-top:34px}
.strength-copy .lead{margin-top:20px;font-size:16px;font-weight:500;color:var(--text)}
.strength-copy p{margin-top:14px;color:var(--text-2)}
.strength-list{margin-top:26px;display:grid;gap:12px}
.strength-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.strength-list svg{width:20px;height:20px;flex:none;margin-top:2px;color:var(--amber-deep)}

/* 资质 */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cert-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D6DEE9}
.cert-card .cc-badge{
  width:46px;height:46px;border-radius:12px;background:var(--navy);color:var(--amber);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.cert-card .cc-badge svg{width:22px;height:22px}
.cert-card h4{font-size:16.5px;font-weight:700;color:var(--navy)}
.cert-card .cc-cert{font-family:var(--font-en);font-size:12.5px;letter-spacing:.14em;color:var(--text-3);margin:3px 0 8px;text-transform:uppercase}
.cert-card p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ============================================================
   新闻资讯页
   ============================================================ */
.news-list{max-width:900px;margin:0 auto}
.news-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 30px;margin-bottom:22px;
  transition:border-color .3s,box-shadow .3s;
}
.news-item:hover{border-color:#D6DEE9;box-shadow:var(--shadow)}
.news-item .ni-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.ni-date-box{
  flex:none;width:62px;text-align:center;background:var(--navy);color:#fff;
  border-radius:10px;padding:8px 4px 6px;
}
.ni-date-box .nd-day{font-family:var(--font-en);font-size:24px;font-weight:600;color:var(--amber);line-height:1}
.ni-date-box .nd-ym{font-size:11px;color:rgba(255,255,255,.72);margin-top:3px;letter-spacing:.06em}
.news-item h3{font-size:19px;font-weight:700;color:var(--navy);line-height:1.5;flex:1;min-width:220px}
.news-item .ni-sum{margin:14px 0 12px;color:var(--text-2);font-size:14.5px;line-height:1.8}
.news-item .ni-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--amber-deep);
  transition:color .25s;
}
.news-item .ni-more:hover{color:var(--navy)}
.news-item .ni-more svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.news-item.open .ni-more svg{transform:rotate(180deg)}
.news-item .ni-full{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .5s var(--ease),opacity .4s,margin .4s;
  margin:0;
}
.news-item.open .ni-full{
  max-height:600px;opacity:1;margin-top:16px;
  border-top:1px dashed var(--line);padding-top:16px;
}
.news-item .ni-full p{font-size:14.5px;color:var(--text);line-height:2;margin-bottom:12px}
.news-item .ni-full p:last-child{margin-bottom:0}
.news-more-note{text-align:center;color:var(--text-3);font-size:13.5px;margin-top:34px}

/* ============================================================
   联系我们页
   ============================================================ */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#D6DEE9}
.contact-card .cc-icon{
  width:50px;height:50px;border-radius:13px;background:var(--navy);color:var(--amber);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.contact-card .cc-icon svg{width:24px;height:24px}
.contact-card h3{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:8px}
.contact-card p{font-size:14px;color:var(--text-2);line-height:1.85}
.contact-card a{color:var(--text-2);transition:color .25s}
.contact-card a:hover{color:var(--amber-deep)}

.visit-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;margin-top:64px}
.visit-media img{border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;width:100%;box-shadow:var(--shadow-lg)}
.visit-copy h3{font-size:24px;font-weight:700;color:var(--navy);margin-bottom:18px}
.vc-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.vc-item .vc-num{
  font-family:var(--font-en);font-size:15px;font-weight:600;color:var(--amber-deep);
  border:1px solid rgba(222,143,31,.4);border-radius:8px;width:34px;height:34px;flex:none;
  display:flex;align-items:center;justify-content:center;background:var(--amber-soft);
}
.vc-item h4{font-size:15px;font-weight:600;color:var(--navy)}
.vc-item p{font-size:13.8px;color:var(--text-2);margin-top:3px;line-height:1.8}
.visit-tip{
  margin-top:26px;background:var(--amber-soft);border:1px solid rgba(222,143,31,.25);
  border-radius:12px;padding:16px 20px;font-size:13.5px;color:#7A5317;line-height:1.9;
  display:flex;gap:12px;
}
.visit-tip svg{width:18px;height:18px;flex:none;margin-top:4px;color:var(--amber-deep)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .catalog-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:1fr;gap:44px}
  .cap-media figure:nth-child(odd){transform:none}
  .intro-grid,.quality-grid,.about-intro,.strength-grid,.visit-grid{grid-template-columns:1fr;gap:44px}
  .intro-badge,.ai-float{left:16px;bottom:-16px}
  .quality-media .qm-float{right:14px;top:14px}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
  .hero{min-height:auto}
}
@media (max-width:760px){
  .section{padding:60px 0}
  .container{width:min(100% - 36px,var(--container))}
  .topbar .tb-badge,.topbar .tb-right{display:none}
  .topbar-inner{justify-content:center}
  .nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 20px;
    display:none;box-shadow:0 24px 40px rgba(15,29,46,.12);
  }
  .nav-open .main-nav{display:flex}
  .main-nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .main-nav a::after{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px;margin-top:44px}
  .intro-facts{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:30px;padding:50px 0}
  .promise-grid{grid-template-columns:1fr 1fr;gap:22px}
  .process-grid{grid-template-columns:1fr 1fr;gap:18px}
  .cert-grid{grid-template-columns:1fr;gap:16px}
  .strength-media img:first-child{margin-top:0}
  .news-item{padding:22px 20px}
  .cta-inner{padding:46px 0}
  .to-top{right:18px;bottom:18px}
}
@media (max-width:480px){
  .prod-grid,.catalog-grid,.news-grid,.contact-cards{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:32px}
  .hero-actions .btn{width:100%}
  .sec-head.row{flex-direction:column;align-items:flex-start}
  .cap-media{grid-template-columns:1fr 1fr;gap:12px}
  .tl-item{grid-template-columns:40px 1fr;gap:16px}
  .timeline::before{left:19px}
}