: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}
.logo svg{flex: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}
.nav-cta:hover{background:var(--brand-deep)}
.hero{background:linear-gradient(180deg,var(--brand-soft),var(--paper));padding:64px 0}
.page-hero{background:var(--brand-deep);color:#fff;padding:52px 0}
.page-hero h1{font-size:clamp(26px,3.6vw,38px);font-weight:800}
.page-hero p{margin-top:12px;opacity:.9;max-width:720px}
.crumbs{font-size:13px;opacity:.8;margin-bottom:14px}
.crumbs a{color:#fff;opacity:.85}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{margin-top:20px;color:var(--muted);font-size:17px;max-width:560px}
.hero-ctas{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.answer-box{background:#fff;border:1px solid var(--brand);border-left:4px solid var(--brand);border-radius:12px;padding:16px 20px;margin-top:22px;font-size:15px;color:var(--ink);max-width:780px;line-height:1.85}
.answer-box b{color:var(--brand-deep);display:block;margin-bottom:4px}
.answer-box a{color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;border:none;text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep)}
.btn-ghost{background:#fff;color:var(--brand-deep);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:34px}
.stat{background:#fff;padding:18px 20px}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--brand-deep)}
.stat span{font-size:13px;color:var(--muted)}
section{padding:64px 0}
.sec-head{max-width:680px;margin-bottom:36px}
.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)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:box-shadow .2s}
.card:hover{box-shadow:0 10px 30px rgba(11,122,99,.08);border-color:var(--brand)}
.card img{width:100%;height:150px;object-fit:cover;border-radius:10px;background:#fff;flex:none}
.card h3{font-size:17px;font-weight:700}
.card p{font-size:14px;color:var(--muted);flex:1}
.card .more{font-size:14px;font-weight:600;color:var(--brand-deep)}
.cases{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;display:block;color:inherit;text-decoration:none}
.case .badge{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.case h3{font-size:18px;font-weight:700;margin-bottom:8px}
.case p{font-size:14px;color:var(--muted)}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block;text-decoration:none;color:inherit;transition:box-shadow .2s}
.case-card:hover{box-shadow:0 10px 30px rgba(11,122,99,.08);border-color:var(--brand)}
.case-card img{display:block;width:100%;height:190px;object-fit:cover;background:var(--brand-soft)}
.case-card h3{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:6px}
.cc-body{padding:18px 20px 22px}
.cc-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.cc-date{font-size:12.5px;color:#8A9A94;margin-bottom:8px}
.cc-intro{font-size:13.5px;color:var(--muted);line-height:1.65}
.detail{max-width:820px;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}
.price-table{width:100%;border-collapse:collapse;margin:14px 0 26px}
.price-table th,.price-table td{border:1px solid var(--line);padding:10px 14px;font-size:14px;vertical-align:top;text-align:left}
.price-table th{background:var(--brand-soft);font-weight:700}
.scene-list{list-style:none;display:grid;gap:10px;margin:12px 0 20px}
.scene-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.scene-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px}
.faq{max-width:820px;margin:0 auto}
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
summary::after{content:"+";font-size:20px;color:var(--brand);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 20px 16px;font-size:14px;color:var(--muted)}
.faq-cat{font-size:14px;font-weight:700;color:var(--brand-deep);margin:22px 0 10px}
.trust{background:var(--brand-deep);color:#fff;border-radius:var(--radius);padding:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust b{display:block;font-size:22px;font-weight:800}
.trust span{font-size:13px;opacity:.85}
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}
@media (max-width:860px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
  .cases{grid-template-columns:1fr}
  .trust{grid-template-columns:repeat(2,1fr)}
  .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}
  .hero{padding:44px 0}
  section{padding:48px 0}
}

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