:root{--brand:#6f35e8;--brand2:#9b6bff;--ink:#171326;--muted:#5f5b72;--bg:#f7f6fb;--card:#fff;--line:#e9e5f3;--soft:#f0ecfb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand img{height:28px}.nav{display:flex;gap:20px;font-size:14px;color:#4f4b61}.nav a:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;white-space:nowrap}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 10px 24px rgba(111,53,232,.22)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.crumb{font-size:12px;color:#8a8599;padding:20px 0 0}.crumb a:hover{color:var(--brand)}
.hero{padding:30px 0 26px;border-bottom:1px solid var(--line);background:radial-gradient(800px 300px at 90% 0,rgba(155,107,255,.18),transparent 60%),linear-gradient(180deg,#fff,#fbfaff)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.16;letter-spacing:-.03em;margin:12px 0 12px;font-weight:800}
.lead{max-width:760px;color:var(--muted);font-size:16px;margin:0 0 22px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.hero-actions .hint{font-size:12px;color:#8a8599}
.section{padding:46px 0}.section h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em;margin:0 0 8px}.section .sub{color:var(--muted);margin:0 0 24px;font-size:14px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.card h3{margin:0 0 6px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.step{background:linear-gradient(180deg,#fff,#fbfaff);border:1px solid var(--line);border-radius:14px;padding:20px}
.step b{display:inline-flex;width:30px;height:30px;border-radius:9px;align-items:center;justify-content:center;background:var(--brand);color:#fff;font-size:13px;margin-bottom:10px}
.step h3{margin:0 0 6px;font-size:16px}.step p{margin:0;color:var(--muted);font-size:14px}
ul.clean{margin:0;padding:0;list-style:none;display:grid;gap:8px}ul.clean li{position:relative;padding-left:18px;color:var(--muted);font-size:14px}ul.clean li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.faq{display:grid;gap:10px}.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 17px}.faq summary{cursor:pointer;list-style:none;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";color:var(--brand);font-size:19px;line-height:1}.faq details[open] summary::after{transform:rotate(45deg)}.faq p{margin:10px 0 0;color:var(--muted);font-size:14px}
.links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.links a{display:flex;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px}.links a:hover{border-color:rgba(111,53,232,.35);color:var(--brand)}
.cta{margin:10px 0 50px;background:linear-gradient(120deg,#24104f,#4a1fa8 52%,#6f35e8);color:#fff;border-radius:20px;padding:34px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.cta h2{margin:0 0 6px;font-size:clamp(22px,3vw,30px)}.cta p{margin:0;color:rgba(255,255,255,.78);font-size:14px}.cta .btn-primary{background:#fff;color:#5223bf;box-shadow:none}
.footer{border-top:1px solid var(--line);padding:26px 0;background:#fff}.footer-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8a8599;font-size:12px}.footer a{color:#6f6a80}.footer a:hover{color:var(--brand)}
@media(max-width:860px){.grid3,.steps{grid-template-columns:1fr}.nav{display:none}.links{grid-template-columns:1fr}}