*{margin:0;padding:0;box-sizing:border-box}:root{--blue-50: #f3f8ff;--blue-100: #e4effd;--blue-200: #c8ddf9;--blue-300: #9cc6f1;--blue-400: #6aa8e8;--blue-500: #5b8def;--blue-600: #4a78dc;--blue-700: #3d62c4;--blue-800: #3451a0;--blue-900: #2c417b;--primary: var(--blue-500);--primary-hover: var(--blue-600);--primary-active: var(--blue-700);--primary-light: var(--blue-100);--primary-subtle: var(--blue-50);--success: #4ea97a;--success-light: #e6f6ee;--warning: #e89c36;--warning-light: #fef5e8;--danger: #e05555;--danger-light: #fef0f0;--bg: #f6f9fe;--card: #ffffff;--border: #e4ebf5;--border-light: #eef3fa;--text: #213852;--text-secondary: #5f7694;--text-muted: #8a9eb8;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--shadow-xs: 0 1px 2px rgba(91, 141, 239, .04);--shadow-sm: 0 1px 3px rgba(91, 141, 239, .06), 0 1px 2px rgba(91, 141, 239, .04);--shadow: 0 4px 6px -1px rgba(91, 141, 239, .07), 0 2px 4px -2px rgba(91, 141, 239, .05);--shadow-lg: 0 10px 15px -3px rgba(91, 141, 239, .08), 0 4px 6px -4px rgba(91, 141, 239, .04);--shadow-xl: 0 20px 25px -5px rgba(91, 141, 239, .08), 0 8px 10px -6px rgba(91, 141, 239, .04)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(ellipse 100% 50% at 50% 0%,rgba(91,141,239,.04) 0%,transparent 60%),radial-gradient(ellipse 80% 40% at 80% 100%,rgba(106,168,232,.03) 0%,transparent 60%);background-attachment:fixed}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#ffffffe0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);padding:0 28px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}.logo-text{font-size:16px;font-weight:600;white-space:nowrap;letter-spacing:-.01em;color:var(--blue-800)}.nav-links{display:flex;gap:4px;background:var(--blue-50);padding:4px;border-radius:var(--radius)}.nav-links a{text-decoration:none;color:var(--text-secondary);padding:7px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .2s ease}.nav-links a:hover{color:var(--primary)}.nav-links a.active{background:#fff;color:var(--primary);box-shadow:var(--shadow-xs)}.main-content{flex:1;padding:36px 24px 48px;max-width:1120px;margin:0 auto;width:100%}.app-footer{text-align:center;padding:18px 24px;color:var(--text-muted);font-size:13px;border-top:1px solid var(--border-light);background:var(--card)}.card{background:var(--card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,border-color .25s ease}.card:hover{border-color:var(--border)}.card-lg{box-shadow:var(--shadow)}.card-lg:hover{box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;letter-spacing:.01em}.btn-primary{background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;box-shadow:0 2px 8px #5b8def40}.btn-primary:hover{background:linear-gradient(135deg,var(--blue-600),var(--blue-700));box-shadow:0 4px 14px #5b8def52;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0);box-shadow:0 1px 4px #5b8def33}.btn-primary:disabled{background:#bfccdc;box-shadow:none;cursor:not-allowed;transform:none}.btn-success{background:linear-gradient(135deg,#4ea97a,#3d8e64);color:#fff;box-shadow:0 2px 8px #4ea97a40}.btn-success:hover{box-shadow:0 4px 14px #4ea97a52;transform:translateY(-1px)}.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary-subtle)}.btn-lg{padding:14px 36px;font-size:16px;border-radius:var(--radius)}.btn-sm{padding:6px 14px;font-size:13px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text);letter-spacing:.01em}.form-input{width:100%;padding:11px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;font-family:inherit;transition:all .2s ease;background:var(--bg);color:var(--text)}.form-input:hover{border-color:var(--blue-300)}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #5b8def1f;background:#fff}.form-input::placeholder{color:var(--text-muted)}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.01em}.badge-success{background:var(--success-light);color:#2d6a47}.badge-warning{background:var(--warning-light);color:#a0621a}.badge-danger{background:var(--danger-light);color:#a63838}.badge-info{background:var(--primary-light);color:var(--blue-700)}.page-title{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--blue-900);letter-spacing:-.01em}.page-subtitle{font-size:15px;color:var(--text-secondary);margin-bottom:24px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 768px){.grid-2{grid-template-columns:1fr}.app-header{padding:0 16px}.main-content{padding:24px 16px 36px}.logo-text{font-size:14px}.card{padding:20px}}