:root{--bg: #FFFFFF;--bg-soft: #F5F5F6;--bg-softer: #FAFAFB;--panel: #FFFFFF;--text: #111418;--text-2: #3A3F48;--muted: #6E7480;--faint: #9AA0AA;--brand: #C4552B;--brand-2: #D96B3C;--brand-deep: #A3441F;--brand-bg: #FBF0EA;--brand-line: #F2D6C6;--ink: #14171C;--ink-2: #23272E;--ink-soft: #F3F4F6;--line: #DFE1E5;--line-soft: #EAECEF;--good: #16A34A;--warn: #F59E0B;--bad: #DC2626;--radius: 18px;--radius-sm: 12px;--mono: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit}.sect{max-width:1200px;margin:0 auto;padding:88px 28px 0}section[id]{scroll-margin-top:80px}.sect-head{text-align:center;max-width:760px;margin:0 auto 46px}.sect-head .kicker{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--brand);text-transform:uppercase;margin-bottom:14px}.sect-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;letter-spacing:.5px;line-height:1.4}.sect-head h2 em{font-style:normal;color:var(--brand)}.sect-head .desc{color:var(--muted);font-size:15px;margin-top:16px;line-height:1.9}.sect-head .desc b{color:var(--text-2);font-weight:600}.btn-pill{border:none;cursor:pointer;font-family:inherit;border-radius:99px;padding:9px 22px;font-size:13.5px;font-weight:600;transition:.22s;white-space:nowrap}.btn-primary{background:var(--ink);color:#fff;box-shadow:0 2px 10px #14171c38}.btn-primary:hover{background:var(--ink-2);transform:translateY(-1px);box-shadow:0 6px 16px #14171c47}.btn-primary:active{transform:translateY(1px)}.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--text-2)}.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}.site-footer{margin-top:96px;background:#fff;color:var(--muted);padding:50px 28px 22px;border-top:1px solid var(--line-soft)}.f-inner{max-width:1080px;margin:0 auto}.f-cols{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}.f-col h4{color:var(--text);font-size:14px;font-weight:600;margin-bottom:18px}.f-col a{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:.2s}.f-col a:hover{color:var(--brand)}.f-brand-desc{font-size:13px;line-height:1.85;color:var(--muted);max-width:320px}.f-bottom{border-top:1px solid var(--line-soft);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--faint)}.f-legal{display:flex;align-items:center;gap:18px}.f-legal a{color:var(--faint);transition:.2s}.f-legal a:hover{color:var(--brand)}@media(max-width:860px){.f-cols{grid-template-columns:1fr 1fr}}@media(max-width:520px){.f-cols{grid-template-columns:1fr}}