* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: #f5f6fa; color: #333; line-height: 1.6; }
a { color: #4A90D9; text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar { background: #4A90D9; color: #fff; padding: 0 24rpx; height: 60px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.brand { color: #fff; font-size: 20px; font-weight: 600; }
.nav-links a { color: #fff; margin-left: 20px; font-size: 15px; }
.nav-links a:hover { text-decoration: none; opacity: 0.85; }

.container { max-width: 960px; margin: 24px auto; padding: 0 20px; min-height: calc(100vh - 120px); }

.footer { text-align: center; padding: 20px; color: #999; font-size: 13px; background: #fff; border-top: 1px solid #eee; }

.card { background: #fff; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.section-title { font-size: 22px; font-weight: 600; color: #4A90D9; margin-bottom: 16px; }
.text-secondary { color: #999; font-size: 14px; }

.btn { display: inline-block; padding: 10px 24px; background: #4A90D9; color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; }
.btn:hover { background: #3a7bc8; }
.btn-danger { background: #e64340; }
.btn-danger:hover { background: #c8372f; }

input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 15px; font-family: inherit; }
input:focus, textarea:focus { outline: none; border-color: #4A90D9; }
label { display: block; margin-bottom: 6px; font-size: 14px; color: #555; }
.form-group { margin-bottom: 16px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.stat-card { background: #fff; border-radius: 12px; padding: 20px; text-align: center; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.stat-num { font-size: 32px; font-weight: 700; color: #4A90D9; }
.stat-label { font-size: 13px; color: #999; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; font-size: 14px; }
th { background: #f8f9fb; color: #555; font-weight: 600; }
tr:hover { background: #fafbfc; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; background: #e8f1fb; color: #4A90D9; }
.badge-new { background: #e64340; color: #fff; padding: 2px 8px; border-radius: 10px; font-size: 12px; margin-left: 8px; }

.empty { text-align: center; padding: 40px; color: #999; }