:root{--accent:#4468f2;--accent-hover:#3458e0;--accent-light:#6d8af7;--accent-bg:#eef2ff;--bg:#f4f6fe;--white:#fff;--text-1:#1a1f3e;--text-2:#6b7a99;--text-3:#9ba8c0;--border:#e5e9f5;--green:#10b981;--green-bg:#ecfdf5;--amber:#f59e0b;--amber-bg:#fffbeb;--rose:#f43f5e;--rose-bg:#fff1f3;--font:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--sidebar-w:232px;--topbar-h:60px;--radius:12px;--shadow:0 2px 12px #1a1f3e12;--shadow-md:0 4px 24px #1a1f3e1a;--feature-modal-min:520px;--feature-modal-max:640px;--feature-modal-width:min(var(--feature-modal-max), max(var(--feature-modal-min), calc(100vw - 32px)))}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{background:var(--bg);font-family:var(--font);color:var(--text-1);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}