:root { --ink:#14283f;--muted:#667b91;--blue:#2f80ed;--line:#dce8f4; }
* { box-sizing:border-box; }
body { margin:0;color:var(--ink);background:linear-gradient(180deg,#f4f9ff,#fff 360px);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased; }
a { color:inherit;text-decoration:none; }
.policy-header { height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 900px)/2));border-bottom:1px solid rgba(220,232,244,.9);background:rgba(255,255,255,.9);backdrop-filter:blur(16px); }
.policy-brand { display:flex;align-items:center;gap:10px;font-size:17px;font-weight:900; }
.policy-brand span { display:inline-flex;align-items:baseline;gap:4px; }
.policy-brand small { color:#9aabba;font-size:8px;font-weight:800;letter-spacing:.04em; }
.policy-brand img { width:36px;height:36px;border-radius:10px;box-shadow:0 8px 20px rgba(47,128,237,.16); }
.policy-back { color:#4d6b87;font-size:12px;font-weight:800; }
.policy-back:hover { color:var(--blue); }
.policy-shell { width:min(900px,calc(100% - 32px));margin:52px auto 80px;padding:52px 64px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 24px 70px rgba(31,76,121,.10); }
.policy-kicker { color:var(--blue);font-size:12px;font-weight:850; }
h1 { margin:13px 0 9px;color:#10263f;font-size:42px;letter-spacing:-.04em; }
.updated { margin:0 0 38px;color:#8a9bad;font-size:11px; }
.intro { padding:18px 20px;border-radius:14px;background:#f2f8ff;color:#4c6984; }
h2 { margin:34px 0 12px;color:#173b5e;font-size:20px; }
p { margin:0 0 13px;color:#5f7489;font-size:14px;line-height:1.9; }
.policy-footer { margin-top:42px;padding-top:22px;border-top:1px solid #e5edf5;color:#94a3b2;font-size:11px;text-align:center; }
.policy-footer a:hover { color:var(--blue); }
@media (max-width:680px) { .policy-header { padding:0 16px; }.policy-shell { margin:24px auto 50px;padding:30px 22px;border-radius:18px; } h1 { font-size:34px; } p { font-size:13px; } }