:root{--brand:#3157ff;--ink:#14213d;--muted:#637083;--soft:#f4f7fb;--card:#fff;--line:#e7edf7;--accent:#00a896;--warn:#ff9f1c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:0 auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}.logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--brand);letter-spacing:.5px}.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;color:#fff;box-shadow:0 12px 28px rgba(49,87,255,.22)}.links{display:flex;gap:18px;flex-wrap:wrap;color:#33415c;font-size:15px}.links a:hover{color:var(--brand)}.search-wrap{border-top:1px solid var(--line);padding:12px 0;background:#fff}.fake-search{display:flex;gap:10px;max-width:680px}.fake-search input{flex:1;padding:13px 15px;border:1px solid var(--line);border-radius:14px;font-size:15px}.fake-search button,.btn{border:0;border-radius:14px;padding:13px 18px;background:var(--brand);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(49,87,255,.18)}.btn.secondary{background:#edf3ff;color:var(--brand);box-shadow:none}.search-note{font-size:13px;color:var(--muted);margin-top:6px;display:none}.hero{padding:48px 0 30px;background:linear-gradient(180deg,#f8fbff 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:6px 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