#app{width:100%;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #006FB9;--primary-hover: #005A9E;--primary-active: #004578;--bg-color: #F3F3F3;--card-bg: rgba(255, 255, 255, .7);--card-hover-bg: rgba(255, 255, 255, .9);--text-primary: #1A1A1A;--text-secondary: #616161;--text-muted: #8B8B8B;--border-color: rgba(0, 0, 0, .06);--border-color-hover: rgba(0, 0, 0, .1);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .04);--shadow-md: 0 4px 8px rgba(0, 0, 0, .04), 0 0 2px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .14);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition: .25s cubic-bezier(.4, 0, .2, 1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px}@media (prefers-color-scheme: dark){:root{--primary-color: #60CDFF;--primary-hover: #4CC2FF;--primary-active: #28A8EA;--bg-color: #202020;--card-bg: rgba(45, 45, 45, .6);--card-hover-bg: rgba(50, 50, 50, .8);--text-primary: #FFFFFF;--text-secondary: #D2D2D2;--text-muted: #A0A0A0;--border-color: rgba(255, 255, 255, .08);--border-color-hover: rgba(255, 255, 255, .12);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .15);--shadow-md: 0 4px 8px rgba(0, 0, 0, .2)}}body{font-family:Segoe UI Variable,Segoe UI,-apple-system,BlinkMacSystemFont,Microsoft YaHei,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(circle at 50% 0%,rgba(255,255,255,.05) 0%,transparent 70%)}button,a{-webkit-tap-highlight-color:transparent}::-webkit-scrollbar{width:14px;height:14px;background:transparent}::-webkit-scrollbar-thumb{background-clip:padding-box;background-color:#82828266;border:4px solid transparent;border-radius:8px}::-webkit-scrollbar-thumb:hover{background-color:#82828299}.btn{display:inline-flex;align-items:center;justify-content:center;padding:6px 16px;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition-fast);text-decoration:none;gap:8px;background:var(--card-bg);color:var(--text-primary);box-shadow:var(--shadow-sm);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);user-select:none;-webkit-user-select:none}.btn:hover{background:var(--card-hover-bg);border-color:var(--border-color-hover)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary-color);color:#fff;border-color:transparent}.btn-primary:hover{background:var(--primary-hover);color:#fff}.btn-primary:active{background:var(--primary-active)}.btn-secondary{background:var(--border-color);color:var(--text-primary);border-color:transparent}.btn-secondary:hover{background:var(--border-color-hover)}.btn-danger{background:#c42b1c;color:#fff;border-color:transparent}.btn-danger:hover{background:#b12417;color:#fff}.card{background:var(--card-bg);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-md);border:1px solid var(--border-color);transition:var(--transition);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.card:hover{background:var(--card-hover-bg);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-bottom:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;transition:var(--transition-fast);background:#ffffff80;color:var(--text-primary)}@media (prefers-color-scheme: dark){.input{background:#0006}}.input:focus{outline:none;border-color:var(--border-color);border-bottom-color:var(--primary-color);background:var(--card-bg)}.loading{display:inline-block;width:16px;height:16px;border:2px solid rgba(150,150,150,.3);border-radius:50%;border-top-color:currentColor;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.container{max-width:1200px;margin:0 auto;padding:0 20px}@media (max-width: 768px){.container{padding:0 15px}.btn{padding:8px 16px;font-size:13px}}