:root{--purple:#7b2cff;--pink:#ff2f92;--yellow:#ffd43b;--black:#12081f;--blue:#16b5ff;--muted:#786b8c;--card:#ffffff;--soft:#fff3fb;--line:rgba(255,255,255,.18)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#241632;background:radial-gradient(circle at top left,rgba(255,47,146,.14),transparent 34%),radial-gradient(circle at top right,rgba(123,44,255,.16),transparent 32%),#fffafc;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:14px clamp(18px,4vw,60px);background:rgba(18,8,31,.88);backdrop-filter:blur(14px);color:#fff;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--yellow),var(--pink));color:#16051c;box-shadow:0 8px 24px rgba(255,47,146,.36)}.site-nav{display:flex;gap:18px;align-items:center}.site-nav a{font-size:15px;opacity:.9}.site-nav a:hover{color:var(--yellow)}.nav-toggle{display:none;background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;border:0;border-radius:12px;padding:8px 12px;font-size:20px}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#190525 0%,#5b13c9 45%,#ff2f92 100%);color:#fff;padding:clamp(52px,9vw,110px) clamp(18px,5vw,72px)}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 20%,rgba(255,212,59,.42),transparent 16%),radial-gradient(circle at 70% 0%,rgba(22,181,255,.28),transparent 22%),linear-gradient(115deg,transparent 0 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