:root{color-scheme:light;--bg:#eef8f6;--panel:#ffffff;--panel-soft:#dff2ee;--footer:#d3e9e5;--text:#102f31;--muted:#496b6d;--accent:#087f73;--focus:#004fd7;--button-text:#ffffff;--border:#9ecac4;--glow:rgba(8,127,115,.16);--radius:10px;--shadow:0 12px 28px rgba(16,47,49,.12)}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}.hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr)}.site-header{border-top:5px solid var(--accent)}.quick-grid a,.card,.image-card{border-left:5px solid var(--accent);border-radius:10px;box-shadow:0 12px 28px rgba(16,47,49,.12)}.steps li{border:1px solid var(--border)}