:root { --primary: #1a3a5c; --accent: #2563eb; --light-bg: #f8fafc; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--light-bg); }
.navbar { background: var(--primary) !important; }
.navbar-brand { font-weight: 700; letter-spacing: 1px; }
.hero { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; padding: 60px 0 40px; text-align: center; }
.hero h1 { font-size: 2.2rem; font-weight: 700; }
.hero .search-box { max-width: 600px; margin: 20px auto 0; }
.card-school { transition: transform .2s, box-shadow .2s; cursor: pointer; border: none; box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.card-school:hover { transform: translateY(-3px); box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.tier-badge { font-size: .75rem; padding: 2px 8px; border-radius: 10px; color: #fff; }
.tier-985 { background: #dc2626; }
.tier-211 { background: #f59e0b; }
.tier-双一流 { background: #10b981; }
.tier-普通 { background: #6b7280; }
.price-tag { color: #dc2626; font-weight: 700; font-size: 1.1rem; }
.discount-tag { background: #fef2f2; color: #dc2626; padding: 2px 8px; border-radius: 4px; font-size: .85rem; }
.vip-badge { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; padding: 4px 12px; border-radius: 12px; }
footer { background: var(--primary); color: rgba(255,255,255,.7); padding: 20px 0; text-align: center; font-size: .85rem; }