.express-calculator{max-width:1400px;margin:0 auto}@media(min-width:1100px){.express-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 20px;align-items:start}.express-form>.form-row{display:contents}.express-form>.calc-btn{grid-column:1 / -1}}.express-form{background:#fff;border-radius:16px;padding:32px;box-shadow:0 2px 12px #0000000f}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--text-primary, #333);margin-bottom:8px}.form-group input,.form-group select{width:100%;padding:12px 16px;border:1px solid #e5e5e5;border-radius:8px;font-size:15px;color:var(--text-primary, #333);background:#fff;transition:border-color .2s;box-sizing:border-box}.form-group input:focus,.form-group select:focus{outline:none;border-color:#1890ff}.form-group .hint{display:block;font-size:12px;color:#999;margin-top:4px}.calc-btn{width:100%;padding:14px;background:linear-gradient(135deg,#1890ff,#69c0ff);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.calc-btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px #1890ff4d}.express-result{margin-top:24px;background:#fff;border-radius:16px;padding:32px;box-shadow:0 2px 12px #0000000f}.express-result h2{font-size:18px;font-weight:600;color:var(--text-primary, #333);margin:0 0 8px}.result-tip{font-size:14px;color:#52c41a;margin:0 0 20px}.express-list{display:flex;flex-direction:column;gap:12px}.express-item{display:flex;align-items:center;padding:16px;background:#fafafa;border-radius:12px;border:2px solid transparent;transition:border-color .2s}.express-item.recommended{background:linear-gradient(135deg,#f6ffed,#e6fffb);border-color:#52c41a}.express-rank{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:50%;font-size:14px;font-weight:700;color:#666;margin-right:16px}.express-item.recommended .express-rank{background:#52c41a;color:#fff}.express-info{flex:1}.express-name{font-size:16px;font-weight:600;margin-bottom:4px}.express-detail{font-size:12px;color:#999}.express-price{text-align:right}.express-price .price{font-size:20px;font-weight:700;color:var(--text-primary, #333)}.express-item.recommended .price{color:#52c41a}.express-price .tag{display:block;font-size:12px;color:#52c41a;margin-top:4px}.monthly-summary{margin-top:24px;padding:20px;background:linear-gradient(135deg,#fffbe6,#fff7e6);border-radius:12px}.monthly-summary h3{font-size:14px;font-weight:600;color:#fa8c16;margin:0 0 16px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.05)}.summary-row:last-child{border-bottom:none}.summary-row.highlight{margin-top:8px;padding-top:16px;border-top:2px dashed #fa8c16}.summary-label{font-size:14px;color:var(--text-secondary, #666)}.summary-value{font-size:16px;font-weight:600;color:var(--text-primary, #333)}.summary-row.highlight .summary-value{font-size:18px;color:#fa8c16}.express-tips{margin-top:24px;background:#f6ffed;padding:20px;border-radius:12px}.express-tips h3{font-size:14px;font-weight:600;color:#52c41a;margin:0 0 12px}.express-tips ul{margin:0;padding-left:20px}.express-tips li{font-size:13px;color:var(--text-secondary, #666);line-height:1.8}@media(max-width:768px){.form-row{grid-template-columns:1fr}.express-form,.express-result{padding:20px}.express-item{flex-wrap:wrap}.express-rank{margin-bottom:8px}}