:root{--bg:#050713;--panel:#0c1024;--line:rgba(124,162,255,.22);--text:#edf3ff;--muted:#aeb9d6;--blue:#46d9ff;--violet:#a66bff;--green:#58ffc4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% 0%,rgba(70,217,255,.18),transparent 28%),radial-gradient(circle at 80% 10%,rgba(166,107,255,.16),transparent 26%),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;background:rgba(5,7,19,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{max-width:1180px;margin:auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font-weight:900;font-size:24px;letter-spacing:.5px}.logo 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var(--line);border-radius:16px;padding:14px}.section{max-width:1180px;margin:auto;padding:58px 20px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid.three{grid-template-columns:repeat(3,1fr)}.card{border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));padding:22px;position:relative;overflow:hidden}.card:before{content:"";position:absolute;inset:auto -40px -60px auto;width:130px;height:130px;background:radial-gradient(circle,var(--blue),transparent 68%);opacity:.18}.icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:rgba(70,217,255,.12);border:1px solid var(--line);color:var(--blue);font-weight:900;margin-bottom:16px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{border:1px solid 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counter(step);position:absolute;right:18px;top:12px;color:rgba(255,255,255,.12);font-size:42px;font-weight:900}.quote{font-size:15px}.stats{color:var(--green);font-size:13px}.faq details{border:1px solid var(--line);border-radius:18px;padding:16px 18px;background:rgba(255,255,255,.035);margin-bottom:12px}.faq summary{cursor:pointer;font-weight:800}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:18px}.page-hero{max-width:1180px;margin:auto;padding:60px 20px 28px}.page-hero h1{font-size:clamp(34px,5vw,62px)}.crumb{color:var(--green);font-size:14px}.footer{max-width:1180px;margin:60px auto 0;padding:34px 20px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:22px}.json-block{white-space:pre-wrap;background:#060a19;border:1px solid var(--line);border-radius:22px;padding:18px;overflow:auto;color:#cfe1ff}.notice{border:1px solid rgba(88,255,196,.28);background:rgba(88,255,196,.07);border-radius:22px;padding:18px}@media 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