/* ============ 交易页：购物车 / 结算 ============ */

/* 页面标题 */
.ms-trade-head{display:flex;justify-content:space-between;align-items:flex-end;margin:18px 0 16px}
.ms-trade-head h1{margin:0;font-size:22px;font-weight:600;color:var(--ms-text-1)}
.ms-trade-head p{margin:6px 0 0;font-size:13px;color:var(--ms-text-3)}

/* 自定义复选框（购物车 / 地址卡通用） */
.ms-checkbox{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border:1.5px solid var(--ms-border);border-radius:4px;background:#fff;color:#fff;transition:all .15s;flex:none}
.ms-checkbox .bi{font-size:12px;font-weight:700;line-height:1}
.ms-cart-check input,.ms-co-address input,.ms-cart-select-all input{position:absolute;opacity:0;width:0;height:0}
.ms-cart-check input:checked+.ms-checkbox,.ms-co-address input:checked+.ms-checkbox,.ms-cart-select-all input:checked+.ms-checkbox{background:var(--ms-primary);border-color:var(--ms-primary)}
.ms-cart-check input:focus-visible+.ms-checkbox,.ms-co-address input:focus-visible+.ms-checkbox{box-shadow:0 0 0 3px var(--ms-primary-bg)}

/* ============ 购物车 ============ */
.ms-cart-layout{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start;padding-bottom:40px}
.ms-cart-main{min-width:0}
.ms-cart-shop{background:#fff;border:1px solid var(--ms-border);border-radius:8px;overflow:hidden}
.ms-cart-shop+.ms-cart-shop{margin-top:14px}
.ms-cart-shop-head{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid var(--ms-border-light);background:#fafbfc;font-size:13px}
.ms-cart-shop-head i{color:var(--ms-primary);margin-right:6px}
.ms-cart-shop-head strong{color:var(--ms-text-1);font-weight:600}
.ms-cart-shop-head span{color:var(--ms-text-3)}
.ms-cart-list{}
.ms-cart-item{display:grid;grid-template-columns:32px 72px 1fr 110px 150px 110px 40px;gap:12px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--ms-border-light)}
.ms-cart-item:last-child{border-bottom:none}
.ms-cart-check{display:inline-flex;cursor:pointer}
.ms-cart-thumb{display:block;width:72px;height:72px;border:1px solid var(--ms-border-light);border-radius:6px;overflow:hidden;background:#f7f8fa}
.ms-cart-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ms-cart-thumb .ms-product-noimg{width:100%;height:100%;font-size:22px}
.ms-cart-info{min-width:0}
.ms-cart-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.5;color:var(--ms-text-1);font-weight:500}
.ms-cart-title:hover{color:var(--ms-primary)}
.ms-cart-meta{margin-top:6px}
.ms-cart-sku{display:inline-block;padding:1px 8px;background:#f2f3f5;border-radius:3px;font-size:12px;color:var(--ms-text-3)}
.ms-cart-price{font-size:13px;color:var(--ms-text-2);text-align:center}
.ms-cart-qty{display:flex;justify-content:center}
.ms-cart-qty input{width:64px;height:32px;border:1px solid var(--ms-border);border-radius:4px 0 0 4px;text-align:center;font-size:13px;color:var(--ms-text-1);outline:none}
.ms-cart-qty input:focus{border-color:var(--ms-primary)}
.ms-cart-qty button{height:32px;padding:0 10px;border:1px solid var(--ms-border);border-left:none;border-radius:0 4px 4px 0;background:#f7f8fa;font-size:12px;color:var(--ms-text-2);cursor:pointer;transition:all .15s}
.ms-cart-qty button:hover{color:var(--ms-primary);border-color:var(--ms-primary)}
.ms-cart-subtotal{text-align:center;font-size:15px;color:var(--ms-primary);font-weight:600}
.ms-cart-delete{display:flex;justify-content:center}
.ms-cart-delete button{width:30px;height:30px;border:none;background:none;border-radius:4px;color:var(--ms-text-3);font-size:15px;cursor:pointer;transition:all .15s}
.ms-cart-delete button:hover{color:#e34d4d;background:#fef0f0}

/* 结算侧栏 */
.ms-trade-summary{background:#fff;border:1px solid var(--ms-border);border-radius:8px;padding:18px 20px;position:sticky;top:16px}
.ms-trade-summary-title{margin:0 0 14px;font-size:16px;font-weight:600;color:var(--ms-text-1)}
.ms-cart-select-all{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--ms-text-2);padding-bottom:14px;border-bottom:1px solid var(--ms-border-light)}
.ms-trade-lines{padding:14px 0;border-bottom:1px solid var(--ms-border-light)}
.ms-trade-lines>div{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ms-text-2);margin-bottom:10px}
.ms-trade-lines>div:last-child{margin-bottom:0}
.ms-trade-lines strong{color:var(--ms-text-1);font-weight:500}
.ms-trade-total strong{font-size:18px!important}
.ms-price{color:var(--ms-primary)!important;font-weight:600}
.ms-price small{font-size:12px;font-weight:500}
.ms-price b{font-size:20px}
.ms-trade-summary .ms-btn{margin-top:16px}
.ms-trade-rules{display:block;margin-top:12px;text-align:center;font-size:12px;color:var(--ms-text-3)}
.ms-trade-rules:hover{color:var(--ms-primary)}

/* 空购物车 */
.ms-cart-empty{background:#fff;border:1px solid var(--ms-border);border-radius:8px;padding:64px 20px;margin-bottom:40px}
.ms-cart-empty i{font-size:52px;color:var(--ms-text-3);opacity:.5}
.ms-cart-empty h2{margin:16px 0 6px;font-size:17px;font-weight:600;color:var(--ms-text-1)}
.ms-cart-empty p{margin:0 0 20px;font-size:13px;color:var(--ms-text-3)}

/* ============ 结算 ============ */
.ms-checkout-layout{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start;padding-bottom:40px}
.ms-checkout-main{min-width:0}
.ms-co-panel{background:#fff;border:1px solid var(--ms-border);border-radius:8px;padding:18px 20px}
.ms-co-panel+.ms-co-panel{margin-top:14px}
.ms-co-panel-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.ms-co-panel-head h2{margin:0;font-size:16px;font-weight:600;color:var(--ms-text-1)}
.ms-co-panel-head span{font-size:12px;color:var(--ms-text-3)}
.ms-co-panel-head a{font-size:13px;color:var(--ms-primary)}

/* 地址卡 */
.ms-co-address-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.ms-co-address{display:flex;gap:10px;align-items:flex-start;padding:14px;border:1.5px solid var(--ms-border);border-radius:6px;cursor:pointer;position:relative;transition:all .15s;background:#fff}
.ms-co-address:hover{border-color:var(--ms-primary)}
.ms-co-address input:checked~.ms-co-address-body strong{color:var(--ms-primary)}
label.ms-co-address:has(input:checked){border-color:var(--ms-primary);background:var(--ms-primary-bg)}
.ms-co-address .ms-checkbox{margin-top:2px}
.ms-co-address-body{min-width:0}
.ms-co-address-body strong{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ms-text-1)}
.ms-co-address-body strong em{font-style:normal;font-size:13px;font-weight:400;color:var(--ms-text-3)}
.ms-co-address-body strong b{font-style:normal;font-size:11px;font-weight:400;color:var(--ms-primary);background:var(--ms-primary-bg);border:1px solid #b9d0ff;padding:0 6px;border-radius:3px;line-height:16px}
.ms-co-address-body small{display:block;margin-top:6px;font-size:12.5px;line-height:1.5;color:var(--ms-text-2);word-break:break-all}
.ms-co-address-new .ms-checkbox{color:var(--ms-text-3);border-style:dashed}
.ms-co-address-new:has(input:checked) .ms-checkbox{color:#fff;border-style:solid}

/* 新地址表单 */
.ms-co-new-address{margin-top:16px;padding-top:16px;border-top:1px dashed var(--ms-border)}
.ms-co-subtitle{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.ms-co-subtitle strong{font-size:14px;color:var(--ms-text-1)}
.ms-co-subtitle span{font-size:12px;color:var(--ms-text-3)}
.ms-co-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.ms-co-form-grid label{display:block}
.ms-co-form-grid label>span{display:block;margin-bottom:6px;font-size:13px;color:var(--ms-text-2)}
.ms-co-form-grid input,.ms-co-form-grid select{width:100%;height:36px;padding:0 10px;border:1px solid var(--ms-border);border-radius:4px;font-size:13px;color:var(--ms-text-1);background:#fff;outline:none;box-sizing:border-box}
.ms-co-form-grid input:focus,.ms-co-form-grid select:focus{border-color:var(--ms-primary)}
.ms-co-form-full{grid-column:1/-1}

/* 商品清单 */
.ms-co-shop{border:1px solid var(--ms-border-light);border-radius:6px;overflow:hidden}
.ms-co-shop+.ms-co-shop{margin-top:12px}
.ms-co-shop-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#fafbfc;border-bottom:1px solid var(--ms-border-light);font-size:13px}
.ms-co-shop-head i{color:var(--ms-primary);margin-right:6px}
.ms-co-shop-head strong{font-weight:600;color:var(--ms-text-1)}
.ms-co-shop-head span{color:var(--ms-text-3)}
.ms-co-product{display:grid;grid-template-columns:56px 1fr 100px 60px 100px;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--ms-border-light)}
.ms-co-product:last-child{border-bottom:none}
.ms-co-product-thumb{display:block;width:56px;height:56px;border:1px solid var(--ms-border-light);border-radius:4px;overflow:hidden;background:#f7f8fa}
.ms-co-product-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ms-co-product-thumb .ms-product-noimg{width:100%;height:100%;font-size:18px}
.ms-co-product-info{min-width:0}
.ms-co-product-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13.5px;line-height:1.45;color:var(--ms-text-1)}
.ms-co-product-title:hover{color:var(--ms-primary)}
.ms-co-product-meta{margin-top:4px}
.ms-co-product-meta span{display:inline-block;padding:0 6px;background:#f2f3f5;border-radius:3px;font-size:11.5px;color:var(--ms-text-3)}
.ms-co-product-price{font-size:13px;color:var(--ms-text-2);text-align:right}
.ms-co-product-qty{font-size:13px;color:var(--ms-text-3);text-align:center}
.ms-co-product-subtotal{font-size:14px;font-weight:600;color:var(--ms-primary);text-align:right}
.ms-co-shop-total{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:10px 14px;background:#fafbfc;border-top:1px solid var(--ms-border-light);font-size:13px;color:var(--ms-text-2)}
.ms-co-shop-total strong{color:var(--ms-primary);font-size:15px}

/* 备注 */
.ms-co-remark{width:100%;border:1px solid var(--ms-border);border-radius:4px;padding:10px 12px;font-size:13px;color:var(--ms-text-1);outline:none;resize:vertical;box-sizing:border-box;font-family:inherit}
.ms-co-remark:focus{border-color:var(--ms-primary)}

/* 应付 */
.ms-co-payable{display:flex;justify-content:space-between;align-items:center;padding:14px 0;margin-top:4px;border-top:1px solid var(--ms-border-light)}
.ms-co-payable>span{font-size:14px;color:var(--ms-text-1)}

/* 按钮扩展 */
.ms-btn-lg{height:42px;padding:0 20px;font-size:15px}
.ms-btn-block{display:flex;width:100%;justify-content:center;align-items:center}

/* ============ 响应式 ============ */
@media (max-width:992px){
    .ms-cart-layout,.ms-checkout-layout{grid-template-columns:1fr}
    .ms-trade-summary{position:static;order:-1}
    .ms-co-address-grid{grid-template-columns:1fr}
    .ms-cart-item{grid-template-columns:30px 64px 1fr 90px;grid-template-rows:auto auto;row-gap:8px}
    .ms-cart-check{grid-row:1/3;align-self:center}
    .ms-cart-thumb{grid-row:1/3;align-self:center}
    .ms-cart-info{grid-column:3/5}
    .ms-cart-price{display:none}
    .ms-cart-qty{justify-content:flex-start}
    .ms-cart-subtotal{text-align:left}
    .ms-cart-delete{grid-column:4;grid-row:2;justify-content:flex-end}
    .ms-co-form-grid{grid-template-columns:1fr}
    .ms-co-product{grid-template-columns:52px 1fr auto;grid-template-rows:auto auto}
    .ms-co-product-thumb{grid-row:1/3}
    .ms-co-product-info{grid-column:2/4}
    .ms-co-product-price{grid-column:2;text-align:left}
    .ms-co-product-qty{text-align:left}
    .ms-co-product-subtotal{grid-column:3;grid-row:2}
}