:root{--a:#FF7041;--b:#2E70FF;--soft:#FFF5ED;--ink:#1B263B;--muted:#606A7A;--max:1180px}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.85}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:20;background:#fff}.head{height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:900}.brand img{width:42px;height:42px}nav{display:flex;justify-content:center;gap:26px}nav a{font-size:14px;font-weight:800;color:var(--muted)}nav a.active{color:var(--a)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border-radius:999px;background:var(--a);color:#fff;font-weight:900}
.hero{padding:82px 0;background:linear-gradient(135deg,var(--soft),#fff)}.hero-grid{display:grid;gap:66px;align-items:center}.hero h1{font-size:68px;line-height:1.03;margin:0;letter-spacing:-3px}.hero h1 span{color:var(--a)}.hero p,.lead,.copy p,.link-item p,.article p,.article li,.inner p,.faq-item p{color:var(--muted)}.hero-actions{display:flex;gap:13px;margin-top:30px}.hero-media img{max-height:520px;object-fit:contain;margin:auto}
.section{padding:90px 0}.alt{background:#F8FAFD}.section h2{font-size:52px;line-height:1.12;margin:0 0 14px}.features{display:grid;gap:44px;margin-top:45px}.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;margin:68px 0}.visual img{max-height:330px;object-fit:contain;margin:auto}.copy h3{font-size:34px;margin:5px 0}.links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}.link-item img{width:95px}.link-item h3{font-size:23px;margin:10px 0}
.inner{padding:68px 0;background:linear-gradient(135deg,var(--soft),#fff)}.inner-grid{display:grid;grid-template-columns:1fr .9fr;gap:58px;align-items:center}.inner h1{font-size:58px;line-height:1.08}.inner img{max-height:370px;object-fit:contain;margin:auto}.article-wrap{display:grid;grid-template-columns:1fr 250px;gap:62px}.article h2{font-size:30px;margin-top:42px}.article p,.article li{font-size:16px;line-height:2}.side{position:sticky;top:92px}.side a{display:block;padding:9px 0;color:var(--muted)}.faq-list{display:grid;gap:26px}
footer{background:#071126;color:#CBD5E7;padding-top:50px}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px;padding-bottom:34px}.foot a,.foot p{color:#95A4BC;font-size:13px}.foot a{display:block;padding:5px 0}.copyright{text-align:center;padding:18px;color:#7F8DA4}
@media(max-width:950px){.hero-grid,.inner-grid,.article-wrap,.feature,.features{grid-template-columns:1fr!important}nav{display:none}.links{grid-template-columns:1fr}.foot{grid-template-columns:1fr}.hero h1{font-size:48px}}
.hero-grid{grid-template-columns:1.1fr .9fr}.hero h1{font-family:Georgia,'Microsoft YaHei'}.feature{grid-template-columns:80px 1fr 1fr}.feature:before{content:attr(data-no);font-size:48px;color:var(--a);font-weight:900}