:root{--ink:#10251F;--muted:#5B6E67;--paper:#FBFDFC;--brand:#0B7A63;--brand-deep:#075A49;--brand-soft:#E7F4EF;--line:#DDE7E2;--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:rgba(251,253,252,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--brand-deep);text-decoration:none}
.nav-links{display:flex;gap:22px;list-style:none;flex-wrap:wrap}
.nav-links a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand-deep);font-weight:700}
.nav-cta{background:var(--brand);color:#fff;border:none;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;flex:none;text-decoration:none}
.nav-cta:hover{background:var(--brand-deep)}
/* ===== Hero（参考站版式：大标题+副标语+CTA） ===== */
.page-hero{background:linear-gradient(135deg,#075A49 0%,#0B7A63 55%,#0E8F74 100%);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.06)}
.page-hero::before{content:"";position:absolute;left:-60px;bottom:-110px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.05)}
.crumbs{font-size:13px;opacity:.8;margin-bottom:18px}
.crumbs a{color:#fff;opacity:.85}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 16px;margin-bottom:22px}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.page-hero .lead{margin-top:16px;font-size:17px;opacity:.92;max-width:680px}
.hero-ctas{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;border:none;text-decoration:none}
.btn-primary{background:#fff;color:var(--brand-deep)}
.btn-primary:hover{background:var(--brand-soft)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
section{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-head .tag{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;line-height:1.3}
.sec-head p{margin-top:12px;color:var(--muted)}
/* ===== 企业简介 ===== */
.intro{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:start}
.intro-figure{margin:0}
.intro-figure img{width:100%;border-radius:var(--radius);border:1px solid var(--line);display:block}
.intro-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}
.intro-text p{margin-bottom:16px;color:var(--ink)}
.intro-text p:last-child{margin-bottom:0}
/* ===== 数字统计（参考站版式：图标+大数字） ===== */
.stats-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:10px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 14px;text-align:center;transition:box-shadow .2s,transform .2s}
.stat-card:hover{box-shadow:0 12px 28px rgba(11,122,99,.1);transform:translateY(-2px);border-color:var(--brand)}
.stat-card .ic{width:40px;height:40px;margin:0 auto 12px;color:var(--brand)}
.stat-card b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--brand-deep);line-height:1.1}
.stat-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
/* ===== 发展历程时间轴 ===== */
.timeline{display:grid;grid-template-columns:110px 24px 1fr;margin:12px 0 26px}
.tl-item{display:contents}
.tl-time{text-align:right;padding:2px 12px 26px 0;font-weight:700;font-size:14px;color:var(--brand-deep);white-space:nowrap}
.tl-dot{position:relative}
.tl-dot::before{content:"";position:absolute;left:50%;top:9px;bottom:-6px;width:2px;background:var(--line);transform:translateX(-50%)}
.tl-item:last-child .tl-dot::before{display:none}
.tl-dot::after{content:"";position:absolute;left:50%;top:9px;width:13px;height:13px;border-radius:50%;background:var(--brand);transform:translateX(-50%)}
.tl-body{padding:0 0 26px 10px;font-size:14px}
.tl-body b{color:var(--ink);font-size:15px}
.tl-body p{color:var(--muted);margin-top:4px}
/* ===== 资质荣誉 ===== */
.badge-grid{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0 4px}
.badge-item{background:var(--brand-soft);color:var(--brand-deep);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600}
/* ===== 专利证书墙 ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:12px 0 8px}
.cert-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;cursor:zoom-in;transition:box-shadow .2s,transform .2s}
.cert-grid figure:hover{box-shadow:0 12px 28px rgba(11,122,99,.12);transform:translateY(-2px);border-color:var(--brand)}
.cert-grid img{width:100%;height:auto;border-radius:8px;display:block;background:#F4F7F6}
/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(16,37,31,.85);display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:min(760px,92vw);max-height:88vh;border-radius:12px;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.4)}
/* ===== 研发与生产 ===== */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:12px 0 26px}
.cap-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.cap-item b{font-size:15px;color:var(--brand-deep)}
.cap-item p{font-size:14px;color:var(--muted);margin-top:6px}
.detail{max-width:860px;margin:0 auto}
.detail h2{font-size:21px;font-weight:800;margin:34px 0 12px}
.detail p{color:var(--muted);margin-bottom:10px}
.param-table{width:100%;border-collapse:collapse;margin:14px 0 26px;table-layout:fixed}
.param-table th,.param-table td{border:1px solid var(--line);padding:10px 14px;font-size:14px;vertical-align:top;text-align:left}
.param-table th{background:var(--brand-soft);font-weight:700;width:28%;white-space:nowrap}
footer{border-top:1px solid var(--line);padding:40px 0 56px;font-size:14px;color:var(--muted)}
.foot-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-grid b{color:var(--ink);font-size:15px}
.foot-grid a{color:inherit}
@media (max-width:860px){
  .nav-links{position:absolute;top:66px;left:0;right:0;display:none;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 0;box-shadow:0 12px 24px rgba(16,37,31,.08)}
  .nav-links li{list-style:none;width:100%}
  .nav-links a{display:block;padding:13px 24px;font-size:16px;border-top:1px solid var(--line)}
  .nav-links li:first-child a{border-top:none}
  .nav-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;cursor:pointer;flex:none}
  .nav-btn span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
  .nav-toggle{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
  .nav-toggle:checked~.nav-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked~.nav-btn span:nth-child(2){opacity:0}
  .nav-toggle:checked~.nav-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-toggle:checked~.nav-links{display:flex}
  .nav-cta{display:none}
  .fab{display:none}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .intro{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:86px 18px 1fr}
  .page-hero{padding:44px 0 52px}
  section{padding:48px 0}
}
@media (max-width:560px){
  .cert-grid{grid-template-columns:repeat(2,1fr)}
}

a.skip-link:focus{left:0;width:auto;height:auto;overflow:visible}