/* ===================== 购物车 / 结算 公共样式 ===================== */
.page-crumb{flex:1;font-size:16px;color:var(--ink-2);font-weight:600}

/* 步骤条 */
.steps{display:flex;gap:0;list-style:none;margin:24px 0 8px;padding:0;justify-content:center}
.steps__item{display:flex;align-items:center;gap:8px;color:var(--ink-2);font-size:15px;font-weight:600;padding:0 26px;position:relative}
.steps__item span{width:26px;height:26px;border-radius:50%;background:#dcdce2;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
.steps__item::after{content:"›";position:absolute;right:-4px;color:#c7c7cf;font-size:20px}
.steps__item:last-child::after{display:none}
.steps__item.active{color:var(--brand)}
.steps__item.active span{background:var(--brand)}
.steps__item.done span{background:var(--accent)}

/* 购物车表格 */
.cart-wrap{min-height:40vh;padding-bottom:120px}
.cart-table{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-top:14px}
.cart-row{display:grid;grid-template-columns:150px 1fr 120px 150px 120px 90px;align-items:center;gap:10px;padding:16px 22px}
.cart-row--head{background:#faf7f5;color:var(--ink-2);font-size:14px;font-weight:600}
.cart-item{border-top:1px solid var(--line)}
.cart-check{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;user-select:none}
.cart-check input{width:17px;height:17px;accent-color:var(--brand);cursor:pointer}

.ci-info{display:flex;align-items:center;gap:14px;min-width:0}
.ci-info img{width:80px;height:80px;object-fit:contain;background:#f6f7f9;border-radius:10px;flex-shrink:0}
.ci-text{min-width:0}
.ci-name{font-size:15px;font-weight:600;line-height:1.4;margin-bottom:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ci-spec{font-size:12px;color:var(--ink-2)}
.col-price,.col-qty,.col-sub,.col-op{text-align:center}
.ci-price{color:var(--ink);font-weight:600}
.ci-sub{color:var(--brand);font-weight:800;font-size:18px}

/* 数量步进器 */
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.stepper button{width:32px;height:32px;border:none;background:#f6f7f9;color:var(--ink);font-size:18px;cursor:pointer;transition:.15s}
.stepper button:hover{background:var(--brand-soft);color:var(--brand)}
.stepper input{width:46px;height:32px;border:none;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-size:14px;font-family:inherit;-moz-appearance:textfield}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.ci-del{background:none;border:none;color:var(--ink-2);cursor:pointer;font-size:13px;transition:.15s}
.ci-del:hover{color:var(--brand)}

/* 空车 */
.cart-empty{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;padding:70px 20px;margin-top:14px}
.cart-empty__ico{font-size:70px;margin-bottom:16px}
.cart-empty p{color:var(--ink-2);margin-bottom:22px;font-size:15px}

/* 吸底结算栏 */
.checkout-bar{position:fixed;left:0;right:0;bottom:0;background:#fff;box-shadow:0 -4px 20px rgba(30,30,40,.1);z-index:80}
.checkout-bar__inner{display:flex;align-items:center;gap:20px;height:66px}
.link-btn{background:none;border:none;color:var(--ink-2);cursor:pointer;font-size:14px;font-family:inherit;transition:.15s}
.link-btn:hover{color:var(--brand)}
.checkout-bar__right{margin-left:auto;display:flex;align-items:center;gap:22px}
.checkout-bar__count{font-size:14px;color:var(--ink-2)}
.checkout-bar__count b{color:var(--brand)}
.checkout-bar__total{font-size:16px}
.checkout-bar__total b{color:var(--brand);font-size:26px;font-weight:800}
.checkout-bar__go{padding:14px 44px;font-size:16px}
.checkout-bar__go.disabled{background:#dcdce2;pointer-events:none;box-shadow:none}

/* ===================== 结算页 ===================== */
.co-wrap{padding:20px 0 60px;display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.co-main{display:flex;flex-direction:column;gap:20px}
.co-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px}
.co-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.co-card h3 span{width:6px;height:18px;background:var(--brand);border-radius:3px}

/* 地址表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:var(--ink-2)}
.field label i{color:var(--brand);font-style:normal}
.field input,.field textarea{border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:14px;font-family:inherit;outline:none;transition:.2s;width:100%}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,122,69,.12)}
.field textarea{resize:vertical;min-height:70px}
.field .err{color:#e8402d;font-size:12px;min-height:14px}

/* 支付方式 */
.pay-list{display:flex;flex-direction:column;gap:12px}
.pay-opt{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:10px;padding:14px 16px;cursor:pointer;transition:.2s}
.pay-opt:hover{border-color:var(--brand)}
.pay-opt.selected{border-color:var(--brand);background:var(--brand-soft)}
.pay-opt input{accent-color:var(--brand);width:17px;height:17px}
.pay-opt__ico{font-size:22px}
.pay-opt__name{font-weight:600}
.pay-opt__tip{margin-left:auto;font-size:12px;color:var(--ink-2)}

/* 结算页商品清单 */
.co-items{display:flex;flex-direction:column;gap:14px}
.co-item{display:flex;gap:12px;align-items:center}
.co-item img{width:60px;height:60px;object-fit:contain;background:#f6f7f9;border-radius:8px;flex-shrink:0}
.co-item__name{font-size:13px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.co-item__meta{margin-left:auto;text-align:right;flex-shrink:0}
.co-item__price{color:var(--brand);font-weight:700}
.co-item__qty{font-size:12px;color:var(--ink-2)}

/* 右侧金额汇总 */
.co-summary{position:sticky;top:100px}
.sum-row{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-2);margin-bottom:12px}
.sum-row b{color:var(--ink)}
.sum-row--total{border-top:1px dashed var(--line);padding-top:16px;margin-top:4px;font-size:16px;color:var(--ink)}
.sum-row--total b{color:var(--brand);font-size:28px;font-weight:800}
.co-submit{width:100%;margin-top:18px;padding:15px;font-size:17px}
.co-agree{font-size:12px;color:var(--ink-2);margin-top:12px;text-align:center}
.co-agree a{color:var(--brand)}

/* 下单成功弹层 */
.success-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.3s}
.success-mask.show{opacity:1;visibility:visible}
.success-box{background:#fff;border-radius:18px;padding:40px 44px;text-align:center;max-width:400px;width:90%;transform:scale(.9);transition:.3s}
.success-mask.show .success-box{transform:scale(1)}
.success-box__ico{width:76px;height:76px;border-radius:50%;background:var(--accent);color:#fff;font-size:44px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.success-box h2{font-size:22px;margin-bottom:8px}
.success-box p{color:var(--ink-2);margin-bottom:8px}
.success-box .amount{color:var(--brand);font-size:30px;font-weight:800;margin:6px 0 20px}
.success-box__btns{display:flex;gap:12px;justify-content:center}

/* 响应式 */
@media (max-width:900px){
  .co-wrap{grid-template-columns:1fr}
  .co-summary{position:static}
}
@media (max-width:768px){
  .steps__item{padding:0 14px;font-size:13px}
  .cart-row{grid-template-columns:1fr;gap:8px;padding:14px}
  .cart-row--head{display:none}
  .cart-item{display:grid;grid-template-columns:24px 1fr;grid-template-areas:"chk info" "chk price" "chk qty" "chk sub";position:relative}
  .cart-item .cart-check{grid-area:chk;align-self:start;padding-top:4px}
  .cart-item .col-info{grid-area:info}
  .cart-item .col-price{grid-area:price;text-align:left}
  .cart-item .col-price::before{content:"单价：";color:var(--ink-2);font-weight:400}
  .cart-item .col-qty{grid-area:qty;text-align:left}
  .cart-item .col-sub{grid-area:sub;text-align:left}
  .cart-item .col-sub::before{content:"小计：";color:var(--ink-2);font-weight:400;font-size:13px}
  .cart-item .col-op{position:absolute;top:14px;right:8px}
  .checkout-bar__inner{gap:10px;height:60px;flex-wrap:wrap}
  .checkout-bar__right{gap:12px}
  .checkout-bar__total b{font-size:20px}
  .checkout-bar__go{padding:11px 22px;font-size:14px}
  .link-btn{font-size:13px}
  .form-grid{grid-template-columns:1fr}
}