:root{--color-primary: #4f6bff;--color-primary-light: #7b91ff;--color-primary-lighter: #ecefff;--color-primary-dark: #3a52d6;--color-success: #52c41a;--color-warning: #faad14;--color-error: #ff4d4f;--color-info: #1677ff;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-text: #1f2330;--color-text-secondary: #5a6072;--color-text-tertiary: #9499a8;--color-border: #eaeef5;--radius: 8px;--radius-lg: 12px;--radius-sm: 6px;--shadow-card: 0 2px 8px rgba(0, 0, 0, .06);--shadow-hover: 0 8px 22px rgba(79, 107, 255, .16);--shadow-sm: 0 1px 4px rgba(0, 0, 0, .04);--container-width: 1200px;--sider-width: 224px;--header-height: 60px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}.app-container{max-width:var(--container-width);margin:0 auto;padding:0 16px;width:100%}.page-wrap{padding:24px}.page-section{margin-bottom:24px}.gradient-text{background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-card{border:none!important;box-shadow:var(--shadow-card);border-radius:var(--radius)!important;height:100%;transition:box-shadow .2s ease,transform .2s ease}.stat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.stat-card .stat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}.stat-card .stat-value{font-size:26px;font-weight:700;line-height:1.2}.stat-card .stat-title{color:var(--color-text-secondary);font-size:13px}.stat-card .stat-trend{font-size:12px;margin-top:4px}.chart-card{border:none!important;box-shadow:var(--shadow-card);border-radius:var(--radius)!important;height:100%}.chart-card .chart-body{width:100%;height:280px}.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}.page-header .ph-title{font-size:20px;font-weight:700}.page-header .ph-sub{color:var(--color-text-secondary);font-size:13px;margin-top:2px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 16px;color:var(--color-text-tertiary)}.empty-state .empty-icon{font-size:40px;margin-bottom:12px;opacity:.6}.module-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.module-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:20px 16px;text-align:center;cursor:pointer;transition:box-shadow .2s ease,transform .2s ease}.module-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.module-card .mc-icon{width:48px;height:48px;border-radius:14px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}.module-card .mc-title{font-weight:600;font-size:14px}.module-card .mc-desc{color:var(--color-text-tertiary);font-size:12px;margin-top:2px}.activity-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.activity-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-card);overflow:hidden;cursor:pointer;transition:box-shadow .2s ease,transform .2s ease}.activity-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.activity-card .ac-cover{height:120px;position:relative;display:flex;align-items:flex-end;padding:12px}.activity-card .ac-cover .ac-level{position:absolute;top:10px;left:10px}.activity-card .ac-body{padding:14px}.activity-card .ac-title{font-weight:600;font-size:15px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.activity-card .ac-meta{display:flex;align-items:center;justify-content:space-between;color:var(--color-text-secondary);font-size:12px}.filter-bar{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:16px;margin-bottom:16px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}.ai-sparkle{position:relative;border-radius:var(--radius);padding:2px 8px;font-size:12px;font-weight:600;color:#fff;background:linear-gradient(90deg,#7b61ff,#4f6bff);box-shadow:0 2px 8px #7b61ff66}.ai-sparkle:before{content:"✨";margin-right:4px}.report-spinner{width:56px;height:56px;border:5px solid var(--color-primary-lighter);border-top-color:var(--color-primary);border-radius:50%;animation:spin .9s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.report-progress-track{height:8px;background:var(--color-primary-lighter);border-radius:999px;overflow:hidden;margin:16px 0}.report-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));border-radius:999px;transition:width .3s ease}.flex{display:flex}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-center{display:flex;align-items:center;justify-content:center}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.text-sm{font-size:12px}.fw-600{font-weight:600}.full-width{width:100%}.tag-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}.app-sider .ant-menu{border-right:none}.brand{height:var(--header-height);display:flex;align-items:center;gap:10px;padding:0 20px;font-weight:700;font-size:16px;color:#fff;white-space:nowrap;overflow:hidden}.brand .brand-logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));display:flex;align-items:center;justify-content:center;flex-shrink:0}.app-header{background:#fff!important;padding:0 24px!important;height:var(--header-height);display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:10}.app-content{min-height:calc(100vh - var(--header-height));overflow:auto}@media (max-width: 1100px){.activity-grid,.module-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.activity-grid,.module-grid{grid-template-columns:repeat(2,1fr)}.page-wrap{padding:16px}}@media (max-width: 480px){.activity-grid{grid-template-columns:1fr}}