/* 默认淡蓝主题 */
body { background: linear-gradient(135deg, #f0f8ff 0%, #d9ebff 100%); }
.card { border-color: #b8d9ff; box-shadow: 0 4px 8px rgba(0,100,200,0.1); }
.card-header { background: #d9ebff; color: #004080; }
.btn-primary { background-color: #4a9eff; border-color: #2d86ff; }
.btn-primary:hover { background-color: #1a73e8; }
.btn-primary.btn-loading::after { border-top-color: #fff; animation: spin 0.5s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.status-badge { display: inline-block; padding: 3px 8px; border-radius: 12px; font-size: 0.8rem; font-weight: bold; }
.status-0 { background-color: #ffe066; color: #664d00; }
.status-1 { background-color: #70db70; color: #2d6a2d; }
.status-2 { background-color: #ff9999; color: #b30000; }
.status-paid { background-color: #70db70; color: #2d6a2d; }
.status-partial { background-color: #ffe066; color: #664d00; }
.status-unpaid { background-color: #ff9999; color: #b30000; }
.record-item { padding: 10px; border-left: 3px solid #4a9eff; background: #f8fbff; border-radius: 5px; }
.site-title { color: #004080; }
.announcement-card { background: #d9ebff; border-color: #b8d9ff; color: #004080; }
.footer { color: #004080; }