:root{--brand:#4f6ef7;--brand-2:#7c5cf0;--brand-gradient:linear-gradient(135deg, #4f6ef7 0%, #7c5cf0 100%);--price:#ff4d4f;--text:#1f2329;--text-2:#646a73;--bg:#f6f8fc;--card-shadow:0 2px 12px #1f23290f;--card-shadow-hover:0 12px 32px #4f6ef724}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 16px}::selection{background:#4f6ef72e}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d3d9e6;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#b8c1d4}