:root{--red:#ed2e2e;--ink:#1a1a1a;--muted:#5b6168;--line:#e6e8eb;--wash:#f7f8fa;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font:17px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff}
a{color:inherit}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line)}
.brand{font-size:22px;font-weight:800;letter-spacing:.04em;text-decoration:none;color:var(--red)}
.site-nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap;font-size:14px}
.site-nav a{text-decoration:none}.site-nav a:hover{color:var(--red)}
.lang-nav{display:flex;gap:12px;border-left:1px solid var(--line);padding-left:18px}
main{max-width:1180px;margin:auto;padding:0 28px}
.breadcrumbs{margin:24px 0;color:var(--muted);font-size:14px}.breadcrumbs a{color:var(--muted)}
.hero{padding:82px 0 72px;max-width:900px}.eyebrow{color:var(--red);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
h1{font-size:clamp(40px,6vw,68px);line-height:1.12;letter-spacing:-.04em;margin:16px 0 22px}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.025em;margin:0 0 20px}
h3{font-size:20px;margin:0 0 8px;line-height:1.4}
.lede{max-width:760px;font-size:20px;color:var(--muted);line-height:1.7;margin:0 0 30px}
.button{display:inline-block;background:var(--red);color:#fff;text-decoration:none;padding:13px 22px;border-radius:4px;font-weight:650}
.button:hover{background:#c92222}.section{padding:64px 0;border-top:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{padding:26px;border:1px solid var(--line);background:#fff;border-radius:8px}.card p{margin:0;color:var(--muted)}
.section ul{margin:16px 0 0;padding-left:1.4em}.section li{padding:0 0 10px}.section li:last-child{padding-bottom:0}
.soft{background:var(--wash);padding:40px;border-radius:10px}.faq{max-width:900px}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-size:19px;font-weight:650}.faq details p{max-width:800px;color:var(--muted);margin:12px 0 0}
.site-footer{margin-top:70px;padding:30px max(24px,calc((100vw - 1180px)/2));background:#161616;color:#d4d7db;font-size:14px}.site-footer a{color:white}
@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column;padding:16px 20px}.site-nav{gap:14px}main{padding:0 20px}.hero{padding:56px 0}.section{padding:44px 0}.cards{grid-template-columns:1fr}.soft{padding:24px}.lede{font-size:18px}}