:root { --a:#0f766e; --soft:#eefaf8; --ink:#18322d; --muted:#5f746e; --surface:#fff; --line:rgba(15,118,110,.12); }
*{box-sizing:border-box} body{margin:0;background:#f8fffd;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif}
a{color:inherit;text-decoration:none} .wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}
.header{position:sticky;top:0;z-index:16;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)} .header .wrap{display:flex;justify-content:space-between;align-items:center;min-height:72px;gap:24px}
.logo strong{display:block;font-size:18px} .logo span{color:var(--muted);font-size:12px} nav{display:flex;gap:18px;color:var(--muted);font-size:14px}
.hero{padding:68px 0 48px;background:linear-gradient(180deg,var(--soft),#ffffff)} .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start}
.tag{display:inline-flex;padding:7px 14px;border-radius:999px;background:rgba(15,118,110,.1);color:var(--a);font-size:13px;letter-spacing:.08em}
h1{margin:16px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.08;max-width:11em} .hero p{margin:0;color:var(--muted);line-height:1.8;font-size:17px}
.bullets{margin:22px 0 0;padding-left:20px;display:grid;gap:10px}
.box,.grid4 article,.grid3 article,.item,.contact{background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 32px rgba(15,23,42,.05)}
.box{padding:24px;border-radius:28px} .box h3{margin:0 0 10px} .box p{margin:0 0 8px;color:var(--muted)} .box a{display:inline-flex;margin-top:12px;padding:12px 16px;border-radius:14px;background:var(--a);color:#fff;font-weight:700}
.section{padding:68px 0} .soft{background:var(--soft)} .h{margin-bottom:22px} .h span{color:var(--a);font-size:13px;letter-spacing:.16em;text-transform:uppercase} .h h2{margin:10px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.16}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px} .grid4 article{padding:22px;border-radius:22px} .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px} .grid3 article{padding:22px;border-radius:22px}
.grid4 h3,.grid3 h3,.item h3{margin:0 0 10px;font-size:22px} .grid4 p,.grid3 p,.item p,.meta p{margin:0;color:var(--muted);line-height:1.74}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px} .list{display:grid;gap:16px} .item{padding:22px;border-radius:22px} .item span{color:var(--a);font-size:13px} .arrow{display:inline-flex;margin-top:14px;color:var(--a);font-weight:700}
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;padding:28px;border-radius:30px}
@media (max-width: 900px) { .hero-grid,.grid4,.grid3,.two,.contact { grid-template-columns:1fr; } nav{display:none} }