:root{--primary:#1a1a2e;--accent:#e74c3c;--accent-light:#ff6b6b;--bg:#f5f5f7;--card:#fff;--border:#eaeaea;--text:#333;--text-muted:#999;--radius:14px;--shadow:0 2px 16px #0000000f;--shadow-soft:0 4px 20px #0000000d}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background:var(--bg);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;font-family:PingFang SC,Microsoft YaHei,-apple-system,sans-serif}#app{min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}@keyframes skeleton{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e8e8e8 50%,#f0f0f0 75%) 0 0/200% 100%;border-radius:8px;animation:1.5s infinite skeleton}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-icon{margin-bottom:12px;font-size:56px}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:14px;height:48px;padding:0 24px;font-size:15px;font-weight:600;transition:opacity .2s}.btn-primary:active{opacity:.85}.btn-default{color:var(--text);border:1.5px solid var(--border);background:#fff;border-radius:14px;height:44px;padding:0 20px;font-size:14px;transition:background .2s}.btn-default:active{background:#f8f8f8}