:root{--navy:#0a1f44;--blue:#0b5cd6;--cyan:#0ea5e9;--ink:#16233a;--sub:#5c6b84;--line:#e6ebf4;--bg:#f5f8fc}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);line-height:1.7;background:#fff}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.hd{position:sticky;top:0;z-index:50;background:rgba(10,31,68,.96);backdrop-filter:blur(8px);color:#fff}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:62px;gap:18px}
.logo{font-weight:800;font-size:17px;display:flex;align-items:center;gap:8px}
.logo-b{display:inline-flex;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#0ea5e9,#0b5cd6);align-items:center;justify-content:center;font-size:15px}
.nav{display:flex;gap:22px;font-size:14px}
.nav a{opacity:.85}.nav a:hover{opacity:1}
.tel{font-size:14px;font-weight:600;color:#7dd3fc}
.hero{background:linear-gradient(160deg,#0a1f44 0%,#0b3a7a 55%,#0b5cd6 100%);color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.35),transparent 70%)}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;max-width:720px}
.hero p{font-size:17px;color:#cfe3ff;margin-top:16px;max-width:640px}
.hero .btns{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 30px;border-radius:10px;font-size:15px;font-weight:600;transition:.2s}
.btn-p{background:linear-gradient(135deg,#0ea5e9,#0b5cd6);color:#fff;box-shadow:0 6px 20px rgba(14,165,233,.35)}
.btn-p:hover{transform:translateY(-2px)}
.btn-g{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff}
.sec{padding:72px 0}
.sec-alt{background:var(--bg)}
.sec-h{font-size:30px;font-weight:800;text-align:center}
.sec-s{text-align:center;color:var(--sub);margin-top:10px;max-width:720px;margin-left:auto;margin-right:auto}
.sec-h3{font-size:20px;font-weight:700;margin:44px 0 16px}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 22px;transition:.2s}
.sol-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(11,92,214,.1);border-color:#bcd6f5}
.sol-ic{font-size:30px}
.sol-card h3{font-size:17px;margin:12px 0 8px}
.sol-card p{font-size:13.5px;color:var(--sub)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.prod-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);transition:.2s;display:block}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(11,92,214,.14)}
.prod-card img{width:100%;height:180px;object-fit:cover;display:block}
.prod-card .ph,.case-card .ph{width:100%;height:180px;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:800;color:#fff;background:linear-gradient(135deg,#0b5cd6,#0ea5e9)}
.prod-b{padding:18px 20px 20px}
.prod-b h3{font-size:17px}
.prod-b p{font-size:13px;color:var(--sub);margin:6px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-b span{font-size:13px;color:var(--blue);font-weight:600}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:block;transition:.2s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(11,92,214,.14)}
.case-card img{width:100%;height:170px;object-fit:cover;display:block}
.case-b{padding:16px 20px 20px}
.case-b h3{font-size:16px}
.case-b p{font-size:13px;color:var(--sub);margin-top:6px}
.svc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:38px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 16px;text-align:center}
.svc-a{font-size:15px;font-weight:700;color:var(--blue)}
.svc-card p{font-size:12.5px;color:var(--sub);margin-top:6px}
.news-list{display:flex;flex-direction:column;gap:10px}
.news-list a{display:flex;justify-content:space-between;gap:14px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:14px}
.news-list time{color:var(--sub);font-size:12.5px;white-space:nowrap}
.news-list a:hover{border-color:#bcd6f5}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{padding:16px 20px;font-weight:600;font-size:15px;cursor:pointer;list-style:none}
.faq summary::after{content:'+';float:right;color:var(--blue);font-size:18px}
.faq[open] summary::after{content:'−'}
.faq div{padding:0 20px 16px;color:var(--sub);font-size:14px}
.cta{background:linear-gradient(150deg,#0a1f44,#0b5cd6);color:#fff;padding:72px 0}
.cta-in{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-l h2{font-size:30px;font-weight:800}
.cta-l p{margin-top:12px;color:#cfe3ff;font-size:15px}
.cta-tel{margin-top:18px;font-size:16px}
.cta-tel a{color:#7dd3fc;font-weight:700}
.cta-f{background:#fff;border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:12px;box-shadow:0 16px 48px rgba(0,0,0,.25)}
.cta-f input,.cta-f select,.cta-f textarea{border:1px solid var(--line);border-radius:9px;padding:11px 14px;font-size:14px;font-family:inherit;outline:none;width:100%}
.cta-f input:focus,.cta-f select:focus,.cta-f textarea:focus{border-color:var(--blue)}
.cta-f button{background:linear-gradient(135deg,#0ea5e9,#0b5cd6);color:#fff;border:0;border-radius:9px;padding:13px;font-size:15px;font-weight:700;cursor:pointer}
.cta-f button:hover{opacity:.92}
.cta-f .ok{text-align:center;padding:26px 8px;font-size:16px;color:var(--ink)}
.ft{background:#0a1f44;color:#cfe3ff;padding:34px 0;font-size:13px}
.ft-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ft-name{font-size:15px;font-weight:700;color:#fff}
.ft-sub{max-width:520px;margin-top:6px;opacity:.8}
.ft-right{text-align:right;line-height:2;opacity:.9}
.ft-right a{color:#7dd3fc}
.page{padding:64px 0;min-height:50vh}
.page-h{font-size:30px;font-weight:800;margin-bottom:10px}
.page-meta{color:var(--sub);font-size:13px;margin-bottom:26px}
.page-body{font-size:15px;max-width:820px}
.page-body p{margin-bottom:14px}
.tbl{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.tbl th{background:var(--bg);font-weight:600;width:180px}
@media(max-width:900px){
  .nav{display:none}
  .hero h1{font-size:30px}
  .sol-grid,.prod-grid,.case-grid,.svc-grid{grid-template-columns:1fr 1fr}
  .cta-in{grid-template-columns:1fr}
  .sec{padding:52px 0}
}
@media(max-width:560px){
  .sol-grid,.prod-grid,.case-grid,.svc-grid{grid-template-columns:1fr}
  .hero{padding:64px 0 56px}
  .tel{display:none}
}