:root{--brand:#2563eb;--brand-dark:#1d4ed8;--accent:#f97316;--bg:#f7f8fb;--surface:#fff;--text:#1f2430;--muted:#6b7280;--border:#e6e8ee;--success:#16a34a;--danger:#dc2626;--radius:14px;--shadow:0 1px 3px #1018280f, 0 8px 24px #1018280f;--maxw:1180px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;display:flex}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-main{flex:1 0 auto}.btn{cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-size:15px;font-weight:600;transition:background .15s,transform 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