/* ============================================
   商城专用样式 - 基础样式见 style.css
   配色：深空棕 + 典雅金 + 米白
   ============================================ */

/* ---- 卡片（扁平，无悬浮上抬） ---- */
.card-flat {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

/* ---- 商品卡图片填充 ---- */
.product-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.product-card:hover .img-wrap img { transform: scale(1.05); }
.product-card .desc {
  font-size: 12.5px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 8px;
  height: 38px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.product-card .meta .cat-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 11px;
  background: var(--color-bg-section);
  color: var(--color-text-light);
}

/* ---- 商品网格（响应式） ---- */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1100px) { .shop-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 820px) { .shop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .shop-grid { grid-template-columns: 1fr; } }

/* ---- 商城首页 Hero ---- */
.shop-hero {
  position: relative;
  padding: 84px 0 72px;
  background: var(--gradient-dark);
  color: var(--color-bg-soft);
  overflow: hidden;
}
.shop-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/shop/hero.jpg') center/cover no-repeat;
  opacity: 0.22;
}
.shop-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,20,16,0.82) 0%, rgba(44,36,24,0.55) 100%);
}
.shop-hero .container { position: relative; z-index: 1; max-width: 820px; }
.shop-hero .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--color-accent);
  border: 1px solid rgba(201,169,97,0.45);
  padding: 4px 14px;
  border-radius: 2px;
  margin-bottom: 22px;
}
.shop-hero h1 {
  font-size: 44px;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.shop-hero h1 .accent { color: var(--color-accent); }
.shop-hero p {
  font-size: 16px;
  color: rgba(250,248,242,0.82);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 32px;
}
.shop-hero .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- 内页页头横幅 ---- */
.page-head {
  background: var(--color-bg-section);
  padding: 36px 0 30px;
  border-bottom: 1px solid var(--color-border);
}
.page-head .breadcrumb { background: transparent; padding: 0 0 14px; }
.page-head h1 {
  font-size: 30px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.page-head p {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ---- 区块标题（带副标题 + 装饰线） ---- */
.sec-title { margin-bottom: 28px; }
.sec-title h2 {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.sec-title .sub {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.sec-title .deco {
  width: 48px;
  height: 3px;
  background: var(--gradient-gold);
  border-radius: 2px;
}

/* ---- 分类筛选条 ---- */
.cat-bar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: var(--shadow-xs);
}
.cat-bar-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto;
}
.cat-bar .cat-label {
  font-size: 13px;
  color: var(--color-text-light);
  margin-right: 8px;
  font-weight: 500;
}
.cat-bar a {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13.5px;
  color: var(--color-text-light);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.cat-bar a:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.cat-bar a.active {
  background: var(--gradient-warm);
  color: var(--color-accent);
  border-color: transparent;
}

/* ---- 筛选提示条 ---- */
.filter-tip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  margin-bottom: 22px;
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.filter-tip b { color: var(--color-primary); }

/* ---- 空状态 ---- */
.empty-state {
  text-align: center;
  padding: 70px 20px;
  background: var(--color-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.empty-state .es-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--color-accent);
  font-family: var(--font-serif);
}
.empty-state h3 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.empty-state p {
  color: var(--color-text-light);
  margin-bottom: 22px;
  font-size: 14px;
}

/* ---- 数量步进器 ---- */
.qty-box {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-card);
}
.qty-box button {
  width: 34px;
  height: 34px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: 16px;
  line-height: 1;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.qty-box button:hover { background: var(--color-primary-soft); }
.qty-box input {
  width: 48px;
  height: 34px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-radius: 0;
  padding: 0;
  font-size: 14px;
  background: var(--color-card);
}

/* ---- 购物车表格 ---- */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}
.cart-table th {
  padding: 14px 12px;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-bg-soft);
  border-bottom: 2px solid var(--color-border);
}
.cart-table td {
  padding: 18px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.cart-table .cart-pro {
  display: flex;
  align-items: center;
  gap: 14px;
}
.cart-table .cart-pro img {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-section);
}
.cart-table .cart-pro .pn {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}
.cart-table .cart-pro .pn a { color: inherit; }
.cart-table .cart-pro .pn a:hover { color: var(--color-primary); }
.cart-table .cart-pro .pm { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }
.cart-table .price-cell {
  color: var(--color-primary);
  font-weight: 700;
  text-align: center;
}
.cart-table .link-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 13px;
}
.cart-table .link-btn:hover { color: var(--color-danger); }

/* ---- 购物车/结算 汇总盒 ---- */
.cart-summary {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.cart-summary .cs-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-size: 14px;
  color: var(--color-text-light);
}
.cart-summary .cs-row .v { color: var(--color-primary); font-weight: 600; }
.cart-summary .cs-row.total {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 16px;
  color: var(--color-text);
}
.cart-summary .cs-row.total .n {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--color-danger);
  font-weight: 700;
}

/* ---- 提示框 ---- */
.alert {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.6;
  border: 1px solid transparent;
}
.alert-error {
  background: rgba(155,74,60,0.08);
  color: var(--color-danger);
  border-color: rgba(155,74,60,0.25);
}
.alert-success {
  background: rgba(90,124,90,0.10);
  color: var(--color-success);
  border-color: rgba(90,124,90,0.25);
}

/* ---- 表单字段（补充） ---- */
.field-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}
.field-label .req { color: var(--color-danger); }
.field-help { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* ---- 商品详情 布局 ---- */
.pd-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 860px) { .pd-layout { grid-template-columns: 1fr; padding: 20px; gap: 24px; } }

.pd-gallery .pd-main {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-section);
  margin-bottom: 12px;
}
.pd-gallery .pd-main img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery .pd-thumbs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pd-gallery .pd-thumbs img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}
.pd-gallery .pd-thumbs img.active,
.pd-gallery .pd-thumbs img:hover { border-color: var(--color-accent); }

.pd-info h1 {
  font-size: 24px;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 16px;
}
.pd-info .pd-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.pd-pricebox {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 22px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.pd-pricebox .pd-now {
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--color-danger);
  font-weight: 700;
  line-height: 1;
}
.pd-pricebox .pd-now small { font-size: 18px; font-weight: 500; }
.pd-pricebox .pd-del {
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.pd-attrs {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
  margin-bottom: 22px;
}
.pd-attrs .pd-attr {
  display: flex;
  font-size: 14px;
  padding: 6px 0;
}
.pd-attrs .pd-attr .l {
  width: 90px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.pd-attrs .pd-attr .v { color: var(--color-text); flex: 1; }
.pd-attrs .pd-attr .v a { color: var(--color-accent-dark); }
.pd-attrs .pd-attr .v a:hover { color: var(--color-primary); }

.pd-summary {
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 22px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
}
.pd-summary b { font-family: var(--font-serif); color: var(--color-primary); }

.pd-qty {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  font-size: 14px;
  color: var(--color-text);
}
.pd-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}
.pd-actions form { flex: 1; }
.pd-assurance {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--color-text-light);
  flex-wrap: wrap;
}
.pd-assurance span::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  margin-right: 4px;
}

.pd-desc {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-top: 30px;
  box-shadow: var(--shadow-xs);
}
.pd-desc h3 {
  font-size: 18px;
  color: var(--color-primary);
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}
.pd-content { font-size: 14.5px; line-height: 1.9; color: var(--color-text); }
.pd-content p { margin-bottom: 12px; }
.pd-content img { max-width: 100%; border-radius: var(--radius-sm); margin: 10px 0; }
.pd-desc .pd-more-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.pd-desc .pd-more-imgs img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* ---- 品质承诺服务条 ---- */
.service-strip {
  background: var(--color-bg-section);
  padding: 48px 0;
}
.service-strip .grid-4 { gap: 24px; }
.service-item { text-align: center; }
.service-item .si-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-accent-dark);
}
.service-item h4 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.service-item p { font-size: 13px; color: var(--color-text-light); }

/* ---- 商家卡片 ---- */
.mch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .mch-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .mch-grid { grid-template-columns: 1fr; } }

.mch-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.25s;
}
.mch-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.mch-card .mch-cover {
  height: 130px;
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
}
.mch-card .mch-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/shop/hero.jpg') center/cover;
  opacity: 0.28;
}
.mch-card .mch-logo {
  position: absolute;
  bottom: -28px;
  left: 22px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 3px solid var(--color-card);
  object-fit: cover;
  background: var(--color-bg-soft);
  z-index: 2;
}
.mch-card .mch-logo-fallback {
  position: absolute;
  bottom: -28px;
  left: 22px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 3px solid var(--color-card);
  background: var(--gradient-gold);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 28px;
  z-index: 2;
}
.mch-card .mch-body { padding: 38px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.mch-card .mch-body h3 { font-size: 17px; color: var(--color-primary); margin-bottom: 10px; }
.mch-card .mch-body h3 a { color: inherit; }
.mch-card .mch-body h3 a:hover { color: var(--color-accent-dark); }
.mch-card .mch-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.mch-card .mch-scope {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  flex: 1;
}
.mch-card .mch-addr {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

/* ---- 商家入驻引导块 ---- */
.mch-recruit {
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-bg-soft));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin-top: 36px;
}
.mch-recruit .mr-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-primary-dark);
}
.mch-recruit h3 { font-size: 22px; color: var(--color-primary); margin-bottom: 10px; }
.mch-recruit p {
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto 20px;
  line-height: 1.8;
}

/* ---- 商家店铺头 ---- */
.store-head {
  background: var(--gradient-dark);
  color: var(--color-bg-soft);
  padding: 44px 0;
  position: relative;
  overflow: hidden;
}
.store-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/shop/hero.jpg') center/cover;
  opacity: 0.18;
}
.store-head .container { position: relative; z-index: 1; display: flex; align-items: center; gap: 26px; }
.store-head .store-logo {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-accent);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-soft);
}
.store-head .store-logo-fallback {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-accent);
  background: var(--gradient-gold);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 36px;
  flex-shrink: 0;
}
.store-head .store-info { flex: 1; }
.store-head .breadcrumb {
  background: transparent;
  padding: 0 0 10px;
  color: rgba(250,248,242,0.7);
}
.store-head .breadcrumb a { color: rgba(250,248,242,0.7); }
.store-head .breadcrumb a:hover { color: var(--color-accent); }
.store-head .breadcrumb .current { color: #fff; }
.store-head h1 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 12px;
}
.store-head .store-meta {
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: rgba(250,248,242,0.78);
  flex-wrap: wrap;
  align-items: center;
}
.store-head .store-meta .tag {
  background: rgba(201,169,97,0.22);
  color: var(--color-accent);
}

/* ---- 结算页 区块 ---- */
.checkout-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
}
.checkout-section h3 {
  font-size: 17px;
  color: var(--color-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.checkout-section .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-warm);
  color: var(--color-accent);
  font-size: 13px;
  font-family: var(--font-serif);
  font-weight: 700;
}
.pay-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-primary-soft);
}
.pay-option .pay-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: #1677ff;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 20px;
}
.pay-option .pay-name { font-weight: 600; color: var(--color-primary); }
.pay-option .pay-desc { font-size: 12px; color: var(--color-text-light); }
.pay-option .pay-tag {
  margin-left: auto;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

/* ---- 登录/注册 卡片 ---- */
.auth-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 44px 38px;
  box-shadow: var(--shadow-md);
}
.auth-card .ac-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradient-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 26px;
}
.auth-card .ac-title { text-align: center; font-size: 24px; color: var(--color-primary); margin-bottom: 6px; }
.auth-card .ac-sub { text-align: center; font-size: 13px; color: var(--color-text-light); margin-bottom: 28px; }
.auth-card .ac-foot {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--color-text-light);
}
.auth-card .ac-foot a { color: var(--color-accent-dark); }
.auth-card .ac-foot a:hover { color: var(--color-primary); }
.auth-card .ac-back {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---- 错误页 ---- */
.error-box {
  max-width: 620px;
  margin: 50px auto;
  padding: 56px 40px;
  text-align: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.error-box .error-illust { width: 240px; margin: 0 auto 24px; }
.error-box .error-illust svg { width: 100%; height: auto; }
.error-box .error-code {
  font-family: var(--font-serif);
  font-size: 64px;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 4px;
}
.error-box .error-title {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-primary);
  margin: 18px 0 12px;
}
.error-box .error-message {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.9;
  max-width: 480px;
  margin: 0 auto 28px;
}
.error-box .error-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.error-box .error-tip {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  font-size: 13px;
}
.error-box .error-tip b { color: var(--color-danger); font-family: var(--font-serif); }
@media (max-width: 640px) {
  .error-box { padding: 36px 22px; margin: 20px auto; }
  .error-box .error-code { font-size: 48px; }
  .error-box .error-title { font-size: 20px; }
}

/* ============================================
   商家后台布局（独立页面）
   ============================================ */
.mch-layout { display: flex; min-height: 100vh; background: var(--color-bg-soft); }
.mch-sidebar {
  width: 220px;
  background: var(--gradient-dark);
  color: rgba(250,248,242,0.75);
  padding: 24px 16px;
  box-sizing: border-box;
  flex-shrink: 0;
}
.mch-sidebar .mch-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(201,169,97,0.2);
}
.mch-sidebar .mch-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-size: 18px;
  flex-shrink: 0;
}
.mch-sidebar .mch-brand b {
  color: #fff;
  font-size: 14px;
  font-family: var(--font-serif);
  display: block;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mch-sidebar .mch-brand small { color: rgba(250,248,242,0.55); font-size: 11px; }
.mch-sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.mch-sidebar .nav-group {
  font-size: 11px;
  color: rgba(250,248,242,0.45);
  padding: 14px 12px 4px;
  letter-spacing: 1px;
}
.mch-sidebar nav a {
  display: block;
  padding: 9px 14px;
  color: rgba(250,248,242,0.75);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s;
}
.mch-sidebar nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.mch-sidebar nav a.active {
  color: var(--color-accent);
  background: var(--gradient-warm);
}
.mch-sidebar nav a.danger { color: var(--color-danger); }
.mch-sidebar nav a.danger:hover { background: rgba(155,74,60,0.18); }

.mch-main { flex: 1; padding: 28px 32px; overflow-x: auto; }
.mch-main .mch-pagehead { margin-bottom: 24px; }
.mch-main .mch-pagehead h1 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--color-primary);
  margin: 0 0 4px;
}
.mch-main .mch-pagehead p { color: var(--color-text-light); font-size: 13px; margin: 0; }

/* KPI 卡片 */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 900px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
.kpi-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  border-top: 3px solid var(--color-primary);
}
.kpi-card.accent-danger { border-top-color: var(--color-danger); }
.kpi-card.accent-gold { border-top-color: var(--color-accent); }
.kpi-card.accent-purple { border-top-color: #7d3c98; }
.kpi-card .kpi-label { font-size: 12px; color: var(--color-text-light); margin-bottom: 6px; }
.kpi-card .kpi-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.kpi-card.accent-danger .kpi-num { color: var(--color-danger); }
.kpi-card.accent-gold .kpi-num { color: var(--color-accent-dark); }
.kpi-card.accent-purple .kpi-num { color: #7d3c98; }

/* 后台通用面板 */
.mch-panel {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 24px;
}
.mch-panel h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-primary);
  margin: 0 0 16px;
}
.mch-panel .panel-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 后台数据表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 700px;
}
.data-table th {
  background: var(--color-bg-soft);
  color: var(--color-text-light);
  padding: 12px;
  text-align: left;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table .row-empty td { text-align: center; color: var(--color-text-muted); padding: 40px; }
.data-table .order-no { color: var(--color-primary); font-weight: 600; }
.data-table .amount { color: var(--color-danger); font-weight: 700; }
.data-table .status-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
}
.data-table .status-pill.pending { background: rgba(155,74,60,0.10); color: var(--color-danger); }
.data-table .status-pill.paid { background: rgba(90,124,90,0.12); color: var(--color-success); }
.data-table .status-pill.shipped { background: rgba(184,134,11,0.14); color: var(--color-warning); }
.data-table .status-pill.completed { background: rgba(125,60,152,0.10); color: #7d3c98; }
.data-table .status-pill.cancelled { background: var(--color-bg-section); color: var(--color-text-muted); }
.data-table .table-thumb {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}
.data-table .table-link { color: var(--color-accent-dark); text-decoration: none; margin-right: 8px; font-size: 12px; }
.data-table .table-link:hover { color: var(--color-primary); }
.data-table .table-danger { background: none; border: none; color: var(--color-danger); cursor: pointer; font-size: 12px; }

/* 后台表单 */
.mch-form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}
@media (max-width: 760px) { .mch-form-grid { grid-template-columns: 1fr; } }
.mch-form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}
@media (max-width: 760px) { .mch-form-grid-2 { grid-template-columns: 1fr; } }
.mch-field label {
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}
.mch-field input,
.mch-field select,
.mch-field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  background: var(--color-card);
  box-sizing: border-box;
}
.mch-field input:focus,
.mch-field select:focus,
.mch-field textarea:focus {
  border-color: var(--color-primary-light);
  outline: none;
  box-shadow: 0 0 0 3px rgba(139,115,85,0.12);
}
.mch-btn-primary {
  padding: 10px 24px;
  background: var(--gradient-warm);
  color: var(--color-accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}
.mch-btn-primary:hover { opacity: 0.92; }

/* 商家登录独立页 */
.mch-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-dark);
  font-family: var(--font-sans);
  padding: 20px;
}
.mch-login-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-2xl);
  padding: 48px 40px;
  width: 420px;
  max-width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  border: 1px solid rgba(201,169,97,0.2);
}
.mch-login-card .mlc-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-size: 28px;
}
.mch-login-card h1 {
  text-align: center;
  color: var(--color-primary);
  font-size: 24px;
  margin-bottom: 6px;
  font-family: var(--font-serif);
}
.mch-login-card .mlc-sub {
  text-align: center;
  color: var(--color-text-light);
  font-size: 13px;
  margin-bottom: 28px;
}
.mch-login-card .mlc-field { margin-bottom: 16px; }
.mch-login-card label {
  display: block;
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 6px;
}
.mch-login-card input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-sizing: border-box;
  font-family: inherit;
  background: var(--color-card);
}
.mch-login-card input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(44,36,24,0.08);
}
.mch-login-card button {
  width: 100%;
  padding: 13px;
  background: var(--gradient-warm);
  color: var(--color-accent);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  cursor: pointer;
  margin-top: 8px;
  font-family: inherit;
  letter-spacing: 1px;
}
.mch-login-card button:hover { opacity: 0.92; }
.mch-login-card .mlc-tip {
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-accent-dark);
  line-height: 1.8;
}
.mch-login-card .mlc-back {
  display: block;
  text-align: center;
  margin-top: 18px;
  color: var(--color-text-muted);
  font-size: 12px;
  text-decoration: none;
}
.mch-login-card .mlc-back:hover { color: var(--color-primary); }

/* ---- 工具类 ---- */
.text-danger { color: var(--color-danger); }
.text-accent { color: var(--color-accent-dark); }
.text-muted { color: var(--color-text-muted); }

/* ============= 协议页（独立页） ============= */
.proto-wrap { max-width: 880px; margin: 40px auto; padding: 50px 56px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.proto-head { text-align: center; padding-bottom: 26px; border-bottom: 2px solid var(--color-accent); margin-bottom: 30px; }
.proto-head h1 { font-family: var(--font-serif); font-size: 30px; color: var(--color-primary-dark); letter-spacing: 3px; }
.proto-head .proto-sub { color: var(--color-accent); font-size: 13px; margin-top: 8px; letter-spacing: 2px; }
.proto-head .proto-meta { color: var(--color-text-muted); font-size: 12px; margin-top: 14px; }
.proto-h2 { font-family: var(--font-serif); font-size: 20px; color: var(--color-primary-dark); margin: 32px 0 14px; padding-left: 14px; border-left: 4px solid var(--color-accent); line-height: 1.4; }
.proto-h3 { font-size: 16px; color: var(--color-primary); margin: 22px 0 10px; }
.proto-wrap p { font-size: 14.5px; line-height: 2; color: var(--color-text); margin-bottom: 12px; text-align: justify; }
.proto-wrap ul { padding-left: 26px; margin-bottom: 14px; }
.proto-wrap li { font-size: 14.5px; line-height: 2; color: var(--color-text); margin-bottom: 6px; }
.proto-wrap strong { color: var(--color-accent-dark); }
.proto-foot { text-align: center; margin-top: 40px; padding-top: 26px; border-top: 1px dashed var(--color-border); color: var(--color-text-light); font-size: 13px; line-height: 1.9; }
.proto-foot b { color: var(--color-primary-dark); font-family: var(--font-serif); }
.proto-contact { background: var(--color-bg-soft); border-radius: var(--radius); padding: 18px 22px; margin: 14px 0; border-left: 3px solid var(--color-accent); }
.proto-contact p { margin: 4px 0; }
.proto-sign { text-align: right; color: var(--color-text-light); margin-top: 36px; font-family: var(--font-serif); }
@media (max-width: 720px) {
  .proto-wrap { padding: 28px 22px; margin: 20px 14px; }
  .proto-head h1 { font-size: 22px; }
}

/* ============================================
   用户中心布局（前台账户页双栏）
   ============================================ */
.account-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 860px) {
  .account-layout { grid-template-columns: 1fr; }
}
.account-side {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}
.account-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: var(--gradient-dark);
  color: #fff;
}
.account-profile .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 22px;
  flex-shrink: 0;
}
.account-profile b {
  display: block;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 15px;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-profile small {
  color: rgba(250,248,242,0.65);
  font-size: 12px;
}
.account-nav { padding: 10px; }
.account-nav a {
  display: block;
  padding: 10px 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all 0.2s;
}
.account-nav a:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}
.account-nav a.active {
  background: var(--gradient-warm);
  color: var(--color-accent);
}
.account-nav a.danger { color: var(--color-danger); }
.account-nav a.danger:hover { background: rgba(155,74,60,0.08); }

/* KPI 颜色变体补充与副标题 */
.kpi-card.accent-success { border-top-color: var(--color-success); }
.kpi-card.accent-success .kpi-num { color: var(--color-success); }
.kpi-card.accent-info { border-top-color: var(--color-primary-light); }
.kpi-card.accent-info .kpi-num { color: var(--color-primary-light); }
.kpi-card .kpi-sub {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* 后台/用户中心 详情定义列表 */
.detail-list { margin: 0; }
.detail-list dt {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 14px;
  letter-spacing: 0.5px;
}
.detail-list dt:first-child { margin-top: 0; }
.detail-list dd {
  font-size: 14px;
  color: var(--color-text);
  margin: 4px 0 0;
  line-height: 1.6;
}

/* 后台筛选条 */
.filter-bar {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }

/* 后台页头横排（标题 + 操作） */
.pagehead-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

/* 行内操作按钮组 */
.row-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* 等宽字体工具类 */
.text-mono { font-family: "SF Mono", "Menlo", "Consolas", monospace; }