/* 慧邦生物 · 全站样式 */
:root{
  --green:#1f8a3b;
  --green-dark:#14652a;
  --green-light:#8dc63f;
  --lime:#c9e265;
  --orange:#e8a020;
  --ink:#1c2419;
  --body:#4a5449;
  --line:#e2e8de;
  --bg:#ffffff;
  --bg-soft:#f5f8f3;
  --radius:14px;
  --shadow:0 4px 24px rgba(31,138,59,.09);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* 吸顶导航高 68px，锚点定位时给标题留出空间 */
section[id],div[id]{scroll-margin-top:84px}
body{
  margin:0;color:var(--body);background:var(--bg);
  font:16px/1.85 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.4;font-weight:700}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--green-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:-1px}
.logo-txt b{display:block;color:var(--ink);font-size:17px;letter-spacing:.5px;line-height:1.2}
.logo-txt span{display:block;font-size:11px;color:var(--green);letter-spacing:2px}
.menu{display:flex;gap:4px;align-items:center}
.menu a{padding:8px 15px;border-radius:8px;font-size:15px;color:var(--body);transition:.2s}
.menu a:hover{color:var(--green);background:var(--bg-soft)}
.menu a.on{color:#fff;background:var(--green)}
.burger{display:none;border:0;background:none;font-size:24px;color:var(--ink);cursor:pointer;padding:6px}

/* ---------- 通用区块 ---------- */
.sec{padding:76px 0}
.sec.soft{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:46px}
.sec-head .en{color:var(--green-light);font-size:13px;letter-spacing:4px;text-transform:uppercase;font-weight:700}
.sec-head h2{font-size:32px;margin:6px 0 14px}
.sec-head p{margin:0;color:var(--body);opacity:.85}
.sec-head .bar{width:52px;height:3px;background:var(--green);margin:0 auto;border-radius:2px}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,101,42,.88) 0%,rgba(31,138,59,.72) 45%,rgba(141,198,63,.35) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:60px;padding-bottom:60px}
.hero .tag{display:inline-block;padding:6px 16px;border:1px solid rgba(255,255,255,.5);border-radius:999px;font-size:13px;letter-spacing:2px;margin-bottom:20px}
.hero h1{color:#fff;font-size:46px;line-height:1.3;margin-bottom:8px;text-shadow:0 2px 18px rgba(0,0,0,.2)}
.hero h1 small{display:block;font-size:22px;font-weight:500;opacity:.92;margin-top:12px}
.hero p.lead{max-width:620px;font-size:17px;opacity:.95;margin:18px 0 30px}
.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;border:1.5px solid transparent}
.btn-main{background:#fff;color:var(--green-dark)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15)}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-dark)}

/* ---------- 数据条 ---------- */
.stats{background:var(--green);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:34px;padding-bottom:34px;text-align:center}
.stats b{display:block;font-size:34px;line-height:1.2}
.stats span{font-size:14px;opacity:.9}

/* ---------- 企业介绍 ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}
.about-txt h3{font-size:20px;color:var(--green-dark);margin:26px 0 8px}
.about-txt h3:first-child{margin-top:0}
.about-txt p{margin:0 0 14px;text-align:justify}
.about-fig{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.about-fig figcaption{background:var(--bg-soft);padding:10px 14px;font-size:13px;color:#8a948a;text-align:center;margin:0}

/* 理念卡片 */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.value{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;transition:.25s}
.value:hover{border-color:var(--green-light);box-shadow:var(--shadow);transform:translateY(-3px)}
.value .k{font-size:12px;letter-spacing:2px;color:var(--green-light);font-weight:700}
.value .v{font-size:17px;color:var(--ink);font-weight:700;margin-top:6px}

/* ---------- 证件 ---------- */
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.cert-card h3{font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.cert-card h3::before{content:"";width:4px;height:20px;background:var(--green);border-radius:2px}
.cert-card ul{list-style:none;margin:0;padding:0}
.cert-card li{padding:10px 0 10px 26px;border-bottom:1px dashed var(--line);position:relative;font-size:15px}
.cert-card li:last-child{border-bottom:0}
.cert-card li::before{content:"✓";position:absolute;left:0;color:var(--green-light);font-weight:700}
.cert-note{margin-top:22px;font-size:13px;color:#8a948a;text-align:center}

/* ---------- 分类入口 ---------- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.25s}
.cat:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-3px)}
.cat .en{font-size:11px;letter-spacing:1.5px;color:var(--green-light);font-weight:700;text-transform:uppercase}
.cat h4{font-size:18px;margin:4px 0 6px}
.cat .n{font-size:13px;color:#8a948a}

/* ---------- 目录页 ---------- */
.page-hero{background:linear-gradient(120deg,var(--green-dark),var(--green) 60%,var(--green-light));color:#fff;padding:56px 0}
.page-hero h1{color:#fff;font-size:34px}
.page-hero .en{font-size:13px;letter-spacing:4px;opacity:.8;text-transform:uppercase}
.page-hero p{margin:10px 0 0;opacity:.92}
.crumb{font-size:13px;color:#8a948a;padding:16px 0}
.crumb a:hover{color:var(--green)}

.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:28px}
.toolbar input{flex:1;min-width:220px;padding:12px 16px;border:1px solid var(--line);border-radius:999px;font-size:15px;font-family:inherit;outline:none}
.toolbar input:focus{border-color:var(--green)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}
.chip{padding:7px 16px;border:1px solid var(--line);border-radius:999px;font-size:14px;cursor:pointer;background:#fff;color:var(--body);transition:.2s;font-family:inherit}
.chip:hover{border-color:var(--green-light)}
.chip.on{background:var(--green);border-color:var(--green);color:#fff}

.catblock{margin-bottom:44px}
.catblock h3{font-size:22px;display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:2px solid var(--line);margin-bottom:6px}
.catblock h3 .no{background:var(--green);color:#fff;font-size:13px;padding:3px 10px;border-radius:6px;font-weight:700}
.catblock h3 .en{font-size:12px;color:#b3bdb0;letter-spacing:2px;font-weight:600;margin-left:auto}
.plist{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px}
.pitem{display:flex;align-items:baseline;gap:10px;padding:13px 6px;border-bottom:1px dashed var(--line);transition:.18s;border-radius:6px}
.pitem:hover{background:var(--bg-soft);padding-left:12px}
.pitem .pg{color:var(--green);font-weight:700;font-size:13px;min-width:26px;font-variant-numeric:tabular-nums}
.pitem .nm{color:var(--ink);font-weight:600;white-space:nowrap}
.pitem .sp{color:var(--body);font-size:14px;opacity:.85}
.pitem .go{margin-left:auto;color:var(--green-light);font-size:14px;opacity:0;transition:.18s}
.pitem:hover .go{opacity:1}
.pitem .badge{font-size:11px;background:var(--lime);color:var(--green-dark);padding:1px 7px;border-radius:4px;font-weight:700}
.empty{text-align:center;padding:60px 0;color:#8a948a}

/* ---------- 产品详情 ---------- */
.detail{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start;padding:44px 0 70px}
.detail-fig{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-soft);position:sticky;top:90px}
.detail-fig figcaption{padding:10px;font-size:12.5px;color:#8a948a;text-align:center}
.detail .cat-tag{display:inline-block;background:var(--bg-soft);color:var(--green-dark);border:1px solid var(--line);padding:4px 14px;border-radius:999px;font-size:13px;margin-bottom:14px}
.detail h1{font-size:38px}
.detail .spec{font-size:19px;color:var(--green);margin:8px 0 0;font-weight:600}
.detail .tagline{background:linear-gradient(90deg,rgba(141,198,63,.16),transparent);border-left:4px solid var(--green-light);padding:12px 18px;margin:22px 0;color:#c02418;font-size:20px;font-weight:700}
.block{margin-top:26px}
.block h4{font-size:16px;color:var(--green-dark);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.block h4::before{content:"◆";color:var(--green-light);font-size:12px}
.block ol{margin:0;padding-left:20px}
.block ol li{margin-bottom:10px;text-align:justify}
.block p{margin:0;text-align:justify}
.pack{background:var(--bg-soft);border-radius:10px;padding:14px 18px;font-size:15px}
.todo{background:#fffbef;border:1px dashed var(--orange);border-radius:10px;padding:18px 20px;color:#8a6d2a;font-size:14.5px}
.detail-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.sibling{border-top:1px solid var(--line);padding:30px 0 70px}
.sibling h4{font-size:15px;color:#8a948a;font-weight:600;margin-bottom:14px}
.sibling .plist{grid-template-columns:repeat(3,1fr)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center}
.ccard .ico{width:46px;height:46px;margin:0 auto 14px;border-radius:12px;background:var(--bg-soft);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:20px}
.ccard h4{font-size:16px;margin-bottom:6px}
.ccard p{margin:0;font-size:15px}
.ccard .muted{color:#a8b2a6;font-size:13.5px}

/* ---------- 画册 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery a{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg-soft);transition:.25s}
.gallery a:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}
.gallery span{display:block;padding:9px;text-align:center;font-size:13px;color:#8a948a}

/* ---------- 页脚 ---------- */
.foot{background:#16281a;color:#a9b8a9;padding:52px 0 24px;font-size:14.5px}
.foot .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot h5{color:#fff;font-size:16px;margin:0 0 14px}
.foot p{margin:0 0 8px}
.foot a:hover{color:var(--green-light)}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:9px}
.foot .copy{padding-top:20px;text-align:center;font-size:13px;color:#6d7d6d}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .about-grid,.detail,.cert-grid,.foot .cols{grid-template-columns:1fr;gap:32px}
  .detail-fig{position:static}
  .values,.cats,.gallery{grid-template-columns:repeat(2,1fr)}
  .plist,.sibling .plist{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .menu{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .burger{display:block}
  .hero{min-height:460px}
  .hero h1{font-size:32px}
  .hero h1 small{font-size:17px}
  .sec{padding:52px 0}
  .sec-head h2{font-size:25px}
  .detail h1{font-size:29px}
  .catblock h3 .en{display:none}
}