/* PC 商城 storefront — 结构级设计层（叠在 shop.css 之后加载）
   职责：首页 Hero/卖点条、面包屑、登录页品牌面板、商品卡 hover 交互、页脚升级。
   颜色一律走 --shop-* 变量，租户配主题色时整层跟随。 */

/* ===== 双层顶栏（淘宝/京东式）===== */
.sf-topbar { background: #f2f4f9; border-bottom: 1px solid #e8ecf3; font-size: 12px; }
.sf-topbar-inner { max-width: 1200px; margin: 0 auto; padding: 7px 20px;
  display: flex; align-items: center; justify-content: space-between; }
.sf-topbar-hi { color: var(--sf-text-light); letter-spacing: 0.3px; }
.sf-topbar-links { display: flex; align-items: center; }
.sf-topbar-links a { color: var(--sf-text-secondary); padding: 0 10px; position: relative; transition: color .2s; }
.sf-topbar-links a + a, .sf-topbar-links span + a { border-left: 1px solid #dde3ec; }
.sf-topbar-links a:hover { color: var(--shop-primary, #2563eb); }
.sf-topbar-links .sf-topbar-user { color: var(--shop-primary, #2563eb); font-weight: 600; }
.sf-topbar-links span { display: inline-flex; align-items: center; }
.sf-header-inner { gap: 40px; }
.sf-nav { gap: 34px; }
.sf-nav a { font-size: 15px; }
.sf-cart-link { margin-left: auto; display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--shop-primary, #2563eb); border: 1px solid rgba(var(--shop-primary-rgb,37,99,235),0.28);
  background: var(--shop-primary-light, #eff4ff); transition: var(--sf-transition); }
.sf-cart-link:hover { background: var(--shop-primary, #2563eb); color: var(--shop-on-primary, #fff);
  box-shadow: var(--sf-shadow-brand); }
.sf-cart-link:hover .sf-cart-badge { background: #fff; color: var(--shop-primary, #2563eb); }
.sf-cart-ico { font-size: 15px; }
@media (max-width: 800px) {
  .sf-topbar-hi { display: none; }
  .sf-topbar-links { margin-left: auto; }
}

/* ===== 右侧悬浮（与官网 keji 主题同款：圆形渐变按钮 + 滑入联系小窗） ===== */
.sf-float-btn { position: fixed; right: 20px; bottom: 40px; z-index: 200;
  display: flex; flex-direction: column; gap: 12px; }
.sf-float-item { position: relative; width: 56px; height: 56px; border-radius: 50%; border: none;
  background: linear-gradient(135deg, var(--shop-primary, #2563eb), var(--shop-primary-light, #4f8ff7));
  color: #fff; display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--sf-shadow-brand); transition: var(--sf-transition);
  text-decoration: none; }
.sf-float-item:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,99,235,0.4); }
.sf-float-toggle.sf-float-on { background: linear-gradient(135deg, #14276b, var(--shop-primary, #2563eb)); }

/* 智能客服：脉动 + 红点 + 招呼气泡（同 keji） */
.sf-float-ai { animation: sf-ai-pulse 2.6s ease-out infinite; }
@keyframes sf-ai-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,99,235,0.45), var(--sf-shadow-brand); }
  70% { box-shadow: 0 0 0 16px rgba(37,99,235,0), var(--sf-shadow-brand); }
  100% { box-shadow: 0 0 0 0 rgba(37,99,235,0), var(--sf-shadow-brand); }
}
.sf-float-badge { position: absolute; top: 3px; right: 3px; width: 12px; height: 12px;
  background: #ef4444; border: 2px solid #fff; border-radius: 50%;
  animation: sf-badge-pulse 1.8s ease-out infinite; }
@keyframes sf-badge-pulse {
  0% { box-shadow: 0 0 0 0 rgba(239,68,68,0.55); }
  70% { box-shadow: 0 0 0 7px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}
.sf-float-bubble { position: absolute; right: 68px; top: 50%; transform: translateY(-50%);
  background: #fff; color: #1e293b; font-size: 13px; line-height: 1.55; text-align: left;
  padding: 10px 14px; border-radius: 12px; box-shadow: 0 8px 28px rgba(15,23,42,0.16);
  white-space: nowrap; pointer-events: none;
  animation: sf-bubble-in 0.5s cubic-bezier(0.34,1.56,0.64,1) 1.2s both,
             sf-bubble-nudge 2.8s ease-in-out 1.8s infinite; }
.sf-float-bubble strong { color: var(--shop-primary, #2563eb); font-size: 14px; }
.sf-float-bubble::after { content: ""; position: absolute; right: -5px; top: 50%; margin-top: -6px;
  border: 6px solid transparent; border-left-color: #fff; border-right: 0; }
@keyframes sf-bubble-in {
  from { opacity: 0; transform: translateY(-50%) translateX(14px) scale(0.8); }
  to { opacity: 1; transform: translateY(-50%) translateX(0) scale(1); }
}
@keyframes sf-bubble-nudge {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-50%) translateX(-7px); }
}
.sf-float-bubble-hide { animation: sf-bubble-out 0.25s ease forwards; }
@keyframes sf-bubble-out {
  to { opacity: 0; transform: translateY(-50%) translateX(10px) scale(0.85); }
}

/* 联系小窗 */
.sf-float-panel { position: fixed; right: 20px; bottom: 120px; z-index: 201; pointer-events: none; }
.sf-float-contact { position: absolute; right: 0; bottom: 0; width: 240px;
  background: #fff; border-radius: 16px; box-shadow: 0 12px 48px rgba(15,23,42,0.18);
  opacity: 0; visibility: hidden; transform: translateY(20px) scale(0.9); pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s; overflow: hidden; }
.sf-float-contact.sf-float-open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); pointer-events: auto; }
.sf-float-contact-head { display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; color: #fff; font-size: 15px; font-weight: 600;
  background: linear-gradient(135deg, var(--shop-primary, #2563eb), var(--shop-primary-light, #4f8ff7)); }
.sf-float-contact-close { background: rgba(255,255,255,0.2); border: none; color: #fff;
  width: 24px; height: 24px; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.sf-float-contact-close:hover { background: rgba(255,255,255,0.35); }
.sf-float-contact-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.sf-float-contact-phone { display: flex; align-items: center; gap: 8px;
  color: var(--shop-primary, #2563eb); font-size: 15px; font-weight: 600; text-decoration: none;
  padding: 8px 12px; border-radius: 8px; background: #f0f5ff; transition: background 0.2s; }
.sf-float-contact-phone span { white-space: nowrap; }
.sf-float-contact-phone:hover { background: #e0eaff; }
.sf-float-contact-tip { font-size: 13px; color: #94a3b8; text-align: center; margin: 0; }
.sf-float-contact-btn { display: block; text-align: center; padding: 10px; border-radius: 8px;
  background: linear-gradient(135deg, var(--shop-primary, #2563eb), var(--shop-primary-light, #4f8ff7));
  color: #fff; font-weight: 600; font-size: 14px; }
.sf-float-contact-btn:hover { opacity: 0.9; }
.sf-float-contact-links { display: flex; gap: 8px; }
.sf-float-contact-links a { flex: 1; text-align: center; font-size: 12px; padding: 7px 0;
  border-radius: 7px; background: var(--shop-primary-light, #eff4ff);
  color: var(--shop-primary, #2563eb); font-weight: 600; }
.sf-float-contact-links a:hover { background: var(--shop-primary, #2563eb); color: #fff; }

@media (max-width: 768px) {
  .sf-float-bubble { display: none; }
  .sf-float-btn { right: 12px; bottom: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .sf-float-ai, .sf-float-badge { animation: none; }
  .sf-float-bubble { animation: sf-bubble-in 0.3s ease 1s both; }
}

/* ===== 首页首屏：品牌 Hero + 促销卡侧列 ===== */
.sf-hero-row { display: flex; gap: 16px; margin-bottom: 18px; align-items: stretch; }
.sf-hero { flex: 1; min-width: 0; position: relative; border-radius: var(--sf-radius-lg); overflow: hidden;
  background: linear-gradient(120deg, #14276b 0%, #1e3a8a 48%, var(--shop-primary, #2563eb) 100%);
  box-shadow: var(--sf-shadow-lg); }
.sf-hero::before { content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 520px 320px at 82% 18%, rgba(255,255,255,0.14), transparent 65%),
              radial-gradient(ellipse 380px 260px at 12% 88%, rgba(255,255,255,0.07), transparent 60%),
              repeating-linear-gradient(115deg, transparent 0 46px, rgba(255,255,255,0.03) 46px 47px); }
.sf-hero-inner { position: relative; padding: 60px 48px 56px; max-width: 620px; color: var(--shop-on-primary, #fff); }
.sf-hero-tag { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12px; letter-spacing: 2px;
  background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.22); backdrop-filter: blur(4px); }
.sf-hero-title { font-size: 36px; margin: 18px 0 10px; letter-spacing: 1px; font-weight: 800; }
.sf-hero-sub { font-size: 15px; opacity: 0.82; margin: 0 0 30px; letter-spacing: 0.5px; }
.sf-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.sf-hero-btn { display: inline-block; padding: 12px 34px; border-radius: 10px; font-weight: 700; font-size: 15px;
  background: #fff; color: var(--shop-primary, #2563eb); box-shadow: 0 10px 28px rgba(0,0,0,0.22); transition: var(--sf-transition); }
.sf-hero-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(0,0,0,0.3); }
.sf-hero-btn.ghost { background: rgba(255,255,255,0.1); color: var(--shop-on-primary, #fff);
  border: 1px solid rgba(255,255,255,0.35); box-shadow: none; }
.sf-hero-btn.ghost:hover { background: rgba(255,255,255,0.2); }

/* 右侧促销卡列：banner 配置项的容器——有图铺图，无图即紧凑促销卡片 */
.sf-hero-side { width: 360px; flex: none; display: flex; flex-direction: column; gap: 14px; }
.sf-hero-promo { flex: 1; min-height: 110px; position: relative; border-radius: var(--sf-radius-lg); overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 20px 24px;
  background: linear-gradient(120deg, #eef3ff 0%, #f6f9ff 100%); border: 1px solid #e3eaf9;
  box-shadow: var(--sf-shadow-sm); transition: var(--sf-transition); }
.sf-hero-promo:hover { transform: translateY(-3px); box-shadow: var(--sf-shadow-md); border-color: rgba(var(--shop-primary-rgb,37,99,235),0.3); }
.sf-hero-promo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sf-hero-promo-text { font-size: 18px; font-weight: 700; color: var(--sf-text); letter-spacing: 0.5px; }
.sf-hero-promo-arrow { font-size: 13px; font-weight: 600; color: var(--shop-primary, #2563eb); }

@media (max-width: 900px) {
  .sf-hero-row { flex-direction: column; }
  .sf-hero-side { width: 100%; }
  .sf-hero-inner { padding: 44px 26px; }
  .sf-hero-title { font-size: 28px; }
}

/* ===== 卖点条 ===== */
.sf-perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 4px 0 40px; }
.sf-perk { display: flex; align-items: center; gap: 12px; background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); padding: 16px 18px; transition: var(--sf-transition); }
.sf-perk:hover { transform: translateY(-2px); box-shadow: var(--sf-shadow-md); }
.sf-perk-ico { flex: none; width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: var(--shop-primary, #2563eb);
  background: var(--shop-primary-light, #eff4ff); }
.sf-perk b { display: block; font-size: 14px; color: var(--sf-text); }
.sf-perk span:last-child { font-size: 12px; color: var(--sf-text-light); }

@media (max-width: 900px) { .sf-perks { grid-template-columns: repeat(2, 1fr); } }

/* ===== 商品卡片交互升级 ===== */
.sf-goods-imgbox { position: relative; overflow: hidden; }
.sf-goods-card .sf-goods-imgbox img { transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.sf-goods-card:hover .sf-goods-imgbox img { transform: scale(1.06); }
.sf-goods-badge { position: absolute; top: 10px; left: 10px; z-index: 2; padding: 3px 10px; border-radius: 6px;
  font-size: 12px; font-weight: 700; color: var(--shop-on-primary, #fff);
  background: linear-gradient(90deg, var(--shop-primary, #2563eb), var(--shop-accent, #3b82f6));
  box-shadow: var(--sf-shadow-brand); }
.sf-goods-foot { display: flex; align-items: baseline; justify-content: space-between; padding: 8px 14px 14px; }
.sf-goods-foot .sf-goods-meta { display: flex; align-items: baseline; gap: 10px; }
.sf-goods-foot .sf-goods-sales { float: none; margin-top: 0; white-space: nowrap; }
.sf-goods-foot .sf-goods-price { padding: 0; }
.sf-goods-buy { font-size: 12px; color: var(--shop-primary, #2563eb); font-weight: 600; opacity: 0; transform: translateX(6px); transition: var(--sf-transition); }
.sf-goods-card:hover .sf-goods-buy { opacity: 1; transform: none; }
.sf-goods-name { font-weight: 500; }

/* ===== 区块标题副题 ===== */
.sf-section-title .sf-section-sub { font-size: 13px; color: var(--sf-text-light); font-weight: 400; letter-spacing: 0; }
.sf-section-title .sf-more { margin-left: auto; }

/* ===== 面包屑 ===== */
.sf-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sf-text-light); margin: -6px 0 18px; }
.sf-crumb a { transition: color .25s; }
.sf-crumb a:hover { color: var(--shop-primary, #2563eb); }
.sf-crumb em { font-style: normal; color: var(--sf-text); font-weight: 500; }
.sf-crumb span { color: #c3cbdb; }

/* ===== 详情页加分项 ===== */
.sf-detail-perks { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--sf-border);
  font-size: 12px; color: var(--sf-text-light); }
.sf-detail-perks span { display: inline-flex; align-items: center; gap: 5px; }
.sf-detail-perks svg { color: var(--shop-primary, #2563eb); flex-shrink: 0; }
/* 任务920 转化组件：套餐立省标 + 主 CTA 行强化 + 咨询客服辅行 */
.sf-detail-save { display: inline-block; margin-left: 8px; padding: 2px 10px; border-radius: 6px;
  font-size: 12px; font-weight: 700; vertical-align: 3px;
  color: #b45309; background: linear-gradient(90deg, #fef3c7, #fde68a); border: 1px solid #f59e0b55; }
.sf-detail-cta { display: flex; flex-direction: column; gap: 10px; }
.sf-detail-cta-main .sf-btn { padding: 13px 34px; font-size: 15px; font-weight: 600; border-radius: 10px; flex: 1; max-width: 220px; }
.sf-detail-cta-side { display: flex; gap: 10px; }
.sf-detail-cta-side .sf-btn { display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 7px 14px; font-size: 13px; box-shadow: none; }
.sf-btn-consult { background: var(--shop-primary-light, #eff4ff); color: var(--shop-primary, #2563eb);
  border: 1px solid var(--shop-primary, #2563eb); }
.sf-btn-consult:hover { color: var(--shop-primary-dark, #1e40af); border-color: var(--shop-primary-dark, #1e40af); transform: none; }
/* 任务909 询价/定制入口：套餐类详情页「咨询定制」按钮（实底主色，与辅行按钮区分） */
.sf-btn-quote { background: linear-gradient(90deg, var(--shop-primary, #2563eb), var(--shop-accent, #3b82f6));
  color: var(--shop-on-primary, #fff); border: 1px solid transparent; text-decoration: none; font-weight: 600; }
.sf-btn-quote:hover { color: var(--shop-on-primary, #fff); opacity: 0.92; transform: none; }
@media (max-width: 640px) {
  .sf-detail-cta-main .sf-btn { flex: 1; max-width: none; padding: 12px 10px; }
  .sf-detail-cta-side { flex-wrap: wrap; }
}
.sf-detail-info { padding-top: 4px; }
.sf-detail-off { display: inline-block; margin-left: 8px; padding: 2px 10px; border-radius: 6px;
  font-size: 12px; font-weight: 700; color: var(--shop-on-primary, #fff); vertical-align: 3px;
  background: linear-gradient(90deg, var(--shop-primary, #2563eb), var(--shop-accent, #3b82f6)); }
.sf-detail-meta b { color: var(--sf-text); font-weight: 600; }
/* 任务901 交付方式行：类型名 + 交付说明（无说明回落类型默认提示） */
.sf-detail-delivery { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px;
  margin-top: 12px; padding: 10px 14px; border-radius: 8px; font-size: 13px;
  background: var(--shop-primary-light, #eff4ff); border: 1px solid #2563eb22; }
.sf-detail-delivery-label { color: var(--sf-text-light); flex-shrink: 0; }
.sf-detail-delivery-name { color: var(--shop-primary, #2563eb); font-weight: 600; }
.sf-detail-delivery-desc { color: var(--sf-text-secondary); }
.sf-btn-fav { background: #fff; color: var(--sf-text-secondary); border: 1px solid var(--sf-border);
  box-shadow: none; font-size: 14px; }
.sf-btn-fav:hover { border-color: var(--shop-primary, #2563eb); color: var(--shop-primary, #2563eb); transform: none; }
.sf-btn-fav.on { border-color: var(--shop-primary, #2563eb); color: var(--shop-primary, #2563eb);
  background: var(--shop-primary-light, #eff4ff); }
.sf-btn-share { background: #fff; color: var(--sf-text-secondary); border: 1px solid var(--sf-border);
  box-shadow: none; font-size: 14px; }
.sf-btn-share:hover { border-color: var(--shop-primary, #2563eb); color: var(--shop-primary, #2563eb); transform: none; }
.sf-attr-table th { color: var(--sf-text-light); font-weight: 500; background: #f8fafd; }
#sf-related-sec { margin-top: 48px; }
#sf-related-sec .sf-goods-grid { grid-template-columns: repeat(4, 1fr); }
.sf-content .pd-block { margin-bottom: 26px; }
.sf-content .pd-block h3 { font-size: 16px; margin: 0 0 12px; color: var(--sf-text);
  padding-left: 10px; border-left: 3px solid var(--shop-primary, #2563eb); }
.sf-content .pd-points { list-style: none; margin: 0; padding: 0; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.sf-content .pd-points li { font-size: 14px; color: var(--sf-text-secondary); padding-left: 18px; position: relative; }
.sf-content .pd-points li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--shop-primary, #2563eb); }
.sf-content img { max-width: 640px; border-radius: var(--sf-radius); box-shadow: var(--sf-shadow-sm); }

/* ===== 静态内容页（/shop/page/:code，任务913） ===== */
.sf-article { background: var(--sf-card); border-radius: var(--sf-radius-lg); box-shadow: var(--sf-shadow-sm);
  padding: 36px 44px; max-width: 920px; margin: 0 auto; }
.sf-article-title { font-size: 26px; margin: 0 0 10px; color: var(--sf-text); letter-spacing: 0.5px; }
.sf-article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: baseline;
  padding-bottom: 18px; margin-bottom: 24px; border-bottom: 1px solid var(--sf-border); }
.sf-article-summary { font-size: 14px; color: var(--sf-text-secondary); }
.sf-article-date { font-size: 12px; color: var(--sf-text-light); margin-left: auto; }
.sf-article-body { font-size: 14px; line-height: 1.9; color: var(--sf-text); }
.sf-article-body h2 { font-size: 18px; margin: 28px 0 12px; color: var(--sf-text); }
.sf-article-body h3 { font-size: 15px; margin: 20px 0 8px; color: var(--sf-text); }
.sf-article-body p { margin: 0 0 12px; }
.sf-article-body ul, .sf-article-body ol { margin: 0 0 12px; padding-left: 22px; }
.sf-article-body li { margin-bottom: 6px; }
.sf-article-body img { max-width: 100%; border-radius: var(--sf-radius); }
.sf-article-body a { color: var(--shop-primary, #2563eb); }
.sf-article-body table { width: 100%; border-collapse: collapse; margin-bottom: 14px; }
.sf-article-body th, .sf-article-body td { border: 1px solid var(--sf-border); padding: 8px 12px; text-align: left; }

/* ===== 登录页：品牌面板 + 表单分栏 ===== */
.sf-auth-page { padding: 56px 0; }
.sf-auth-wrap { display: flex; width: 780px; max-width: 100%; border-radius: var(--sf-radius-lg); overflow: hidden;
  box-shadow: var(--sf-shadow-lg); }
.sf-auth-brand { flex: 1.05; position: relative; padding: 44px 38px; color: var(--shop-on-primary, #fff);
  background: linear-gradient(150deg, #14276b 0%, #1e3a8a 50%, var(--shop-primary, #2563eb) 100%); }
.sf-auth-brand::after { content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 300px 220px at 85% 15%, rgba(255,255,255,0.13), transparent 65%); }
.sf-auth-brand h2 { margin: 0 0 8px; font-size: 26px; letter-spacing: 1px; position: relative; }
.sf-auth-brand p { font-size: 14px; opacity: 0.8; margin: 0 0 26px; position: relative; }
.sf-auth-brand ul { list-style: none; margin: 0; padding: 0; position: relative; }
.sf-auth-brand li { font-size: 13px; padding: 9px 0 9px 26px; position: relative; opacity: 0.92; }
.sf-auth-brand li::before { content: '✓'; position: absolute; left: 0; top: 9px; width: 17px; height: 17px;
  border-radius: 50%; background: rgba(255,255,255,0.18); font-size: 11px; display: flex;
  align-items: center; justify-content: center; }
.sf-auth-card { flex: 1; border-radius: 0; box-shadow: none; padding: 40px 36px; }
/* 游客暂存车提示条（任务931） */
.sf-auth-guest-tip { margin: -6px 0 16px; padding: 9px 12px; font-size: 13px; line-height: 1.5;
  color: var(--shop-primary, #2563eb); background: rgba(var(--shop-primary-rgb, 37,99,235), 0.08);
  border-radius: var(--sf-radius); }
/* 注册页/找回密码页（任务912）：标题 + 验证码行 + 协议勾选 + 页脚互链 */
.sf-auth-title { margin: 0 0 18px; font-size: 20px; color: var(--sf-text); }
.sf-code-row { display: flex; gap: 10px; }
.sf-code-row input { flex: 1; }
.sf-code-btn { flex: 0 0 auto; padding: 0 14px; border: 1px solid var(--shop-primary, #2563eb);
  background: #fff; color: var(--shop-primary, #2563eb); border-radius: 8px; cursor: pointer;
  font-size: 13px; white-space: nowrap; transition: var(--sf-transition); }
.sf-code-btn:hover { background: var(--shop-primary-light, #eff4ff); }
.sf-code-btn[disabled] { opacity: .6; cursor: not-allowed; }
.sf-agreement { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; line-height: 1.5;
  color: var(--sf-text-light); }
.sf-agreement input { margin-top: 3px; }
.sf-agreement a { color: var(--shop-primary, #2563eb); }
.sf-auth-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px;
  font-size: 13px; color: var(--sf-text-light); }
.sf-auth-links a { color: var(--shop-primary, #2563eb); }

@media (max-width: 720px) {
  .sf-auth-wrap { flex-direction: column; }
  .sf-auth-brand { padding: 30px 26px; }
  .sf-auth-brand ul { display: none; }
}

/* ===== 分类卡升级：有图走图廊大卡，无图首字图标 ===== */
.sf-cat-card { position: relative; }
.sf-cat-ico { width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 14px; display: flex; align-items: center;
  justify-content: center; font-size: 20px; font-weight: 700; color: var(--shop-primary, #2563eb);
  background: linear-gradient(135deg, var(--shop-primary-light, #eff4ff), #f4f8ff); }
.sf-cat-grid:has(.has-img) { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.sf-cat-card.has-img { padding: 0; overflow: hidden; aspect-ratio: 16/10; }
.sf-cat-card.has-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  border-radius: 0; margin: 0; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.sf-cat-card.has-img:hover img { transform: scale(1.07); }
.sf-cat-card.has-img::after { content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,18,40,0.62) 100%); }
.sf-cat-name { position: absolute; left: 14px; bottom: 12px; z-index: 2; color: #fff; font-size: 15px;
  font-weight: 700; letter-spacing: 1px; text-shadow: 0 1px 6px rgba(0,0,0,0.4); }
.sf-cat-card.has-img:hover .sf-cat-name { color: #fff; }

/* ===== 首屏大图轮播 ===== */
.sf-carousel { position: relative; border-radius: var(--sf-radius-lg); overflow: hidden;
  box-shadow: var(--sf-shadow-lg); }
.sf-carousel-lg { height: 380px; flex: 1; min-width: 0; width: 100%; }
.sf-carousel-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 0.7s ease, visibility 0.7s;
  display: flex; flex-direction: column; justify-content: center; }
.sf-carousel-slide.active { opacity: 1; visibility: visible; }
.sf-carousel-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sf-slide-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 44px 26px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 7px; color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(8,14,36,0.28) 45%, rgba(8,14,36,0.72) 100%); }
.sf-slide-cap b { font-size: 30px; font-weight: 800; letter-spacing: 2px; text-shadow: 0 2px 12px rgba(0,0,0,0.35); }
.sf-slide-cap span { font-size: 14px; opacity: 0.92; letter-spacing: 0.5px; }
.sf-slide-cap i { font-style: normal; margin-top: 8px; padding: 8px 24px; border-radius: 999px;
  font-size: 13px; font-weight: 700; background: #fff; color: var(--shop-primary, #2563eb);
  box-shadow: 0 6px 18px rgba(0,0,0,0.25); transition: var(--sf-transition); }
.sf-carousel-slide:hover .sf-slide-cap i { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.35); }
.sf-carousel-plain { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 20px 24px; background: linear-gradient(120deg, #eef3ff 0%, #f6f9ff 100%); height: 100%; }
.sf-carousel-dots { position: absolute; bottom: 14px; right: 20px; display: flex; justify-content: center;
  gap: 6px; z-index: 3; }
.sf-carousel-dots button { width: 7px; height: 7px; border-radius: 999px; background: rgba(255,255,255,0.55);
  border: none; padding: 0; cursor: pointer; transition: var(--sf-transition); }
.sf-carousel-dots button.on { width: 22px; background: #fff; }
.sf-carousel:has(.sf-carousel-slide:only-child) .sf-carousel-dots { display: none; }
@media (max-width: 900px) { .sf-carousel-lg { height: auto; aspect-ratio: 21/10; } .sf-slide-cap { padding: 40px 22px 20px; } .sf-slide-cap b { font-size: 22px; } }
.sf-carousel-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sf-carousel-plain { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 20px 24px; background: linear-gradient(120deg, #eef3ff 0%, #f6f9ff 100%); height: 100%; }
.sf-carousel-dots { position: absolute; bottom: 12px; left: 0; right: 0; display: flex; justify-content: center;
  gap: 6px; z-index: 3; }
.sf-carousel-dots button { width: 7px; height: 7px; border-radius: 999px; background: rgba(255,255,255,0.5);
  border: none; padding: 0; cursor: pointer; transition: var(--sf-transition); }
.sf-carousel-dots button.on { width: 20px; background: #fff; }
.sf-carousel:has(.sf-carousel-slide:only-child) .sf-carousel-dots { display: none; }

/* ===== 广告位：三格营销卡 ===== */
.sf-ad-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0 0 40px; }
.sf-ad-card { position: relative; display: flex; flex-direction: column; gap: 5px; padding: 22px 24px;
  border-radius: var(--sf-radius-lg); overflow: hidden; color: #fff; box-shadow: var(--sf-shadow-sm);
  min-height: 118px; justify-content: flex-end; background-size: cover; background-position: center;
  transition: var(--sf-transition); }
.sf-ad-card:hover { transform: translateY(-3px); box-shadow: var(--sf-shadow-md); color: #fff; }
.sf-ad-card::before { content: ''; position: absolute; inset: 0; transition: var(--sf-transition);
  background: linear-gradient(160deg, rgba(12,20,48,0.18) 0%, rgba(12,20,48,0.68) 100%); }
.sf-ad-card:hover::before { background: linear-gradient(160deg, rgba(12,20,48,0.1) 0%, rgba(12,20,48,0.6) 100%); }
.sf-ad-card.ad-a { background-image: url('/shopstatic/img/ad-new.jpg'); }
.sf-ad-card.ad-b { background-image: url('/shopstatic/img/ad-member.jpg'); }
.sf-ad-card.ad-c { background-image: url('/shopstatic/img/ad-points.jpg'); }
.sf-ad-card b { font-size: 17px; letter-spacing: 1px; position: relative; }
.sf-ad-card span { font-size: 12px; opacity: 0.85; position: relative; }
.sf-ad-card i { font-style: normal; font-size: 13px; font-weight: 700; margin-top: 10px; position: relative; }
@media (max-width: 800px) { .sf-ad-row { grid-template-columns: 1fr; } }

/* ===== 广告位：通栏横幅 ===== */
.sf-ad-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin: 0 0 40px; padding: 34px 40px; border-radius: var(--sf-radius-lg); color: #fff;
  background: url('/shopstatic/img/ad-digital.jpg') center 35%/cover no-repeat;
  box-shadow: var(--sf-shadow-md); position: relative; overflow: hidden; transition: var(--sf-transition); }
.sf-ad-banner::before { content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,16,42,0.78) 0%, rgba(16,28,68,0.55) 55%, rgba(37,99,235,0.28) 100%); }
.sf-ad-banner:hover { transform: translateY(-2px); box-shadow: var(--sf-shadow-lg); }
.sf-ad-banner-text { position: relative; display: flex; flex-direction: column; gap: 6px; }
.sf-ad-banner-text b { font-size: 22px; letter-spacing: 2px; }
.sf-ad-banner-text span { font-size: 13px; opacity: 0.8; }
.sf-ad-banner-cta { position: relative; flex: none; padding: 10px 26px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4); font-size: 14px; font-weight: 600; background: rgba(255,255,255,0.08); }
.sf-ad-banner:hover .sf-ad-banner-cta { background: #fff; color: var(--shop-primary, #2563eb); }

/* ===== 页脚升级 ===== */
.sf-footer { margin-top: 64px; }
.sf-footer-inner { padding: 48px 20px 36px; }
.sf-footer-copy { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ===== 占位图升级：柔和渐变替代死灰块 ===== */
.sf-goods-noimg { background: linear-gradient(135deg, #eef2f8 0%, #e2e9f4 55%, #edf1f9 100%); color: #9fadc4; font-size: 13px; letter-spacing: 3px; }
/* 迷你占位块（任务925）：行内小图 404 的兜底格——详情缩略图 64、结算/订单表 56、订单商品条 42，
   尺寸随容器收口，不放文字避免溢出 */
.sf-mini-noimg { width: 64px; height: 64px; border-radius: 8px; flex: none; display: inline-block;
  background: linear-gradient(135deg, #eef2f8, #e2e9f4); }
.sf-cart-goods .sf-mini-noimg { width: 56px; height: 56px; }
.sf-order-gitem .sf-mini-noimg { width: 42px; height: 42px; border-radius: 6px; }

/* ===== 通用小件 ===== */
.sf-main { padding-top: 28px; }
.sf-order-tabs { background: var(--sf-card); border-radius: var(--sf-radius); box-shadow: var(--sf-shadow-sm); padding: 6px 18px 0; }
.sf-order-tabs a { padding: 12px 4px; }

/* ===== 购物车 ===== */
.sf-cart-head, .sf-cart-row { display: grid; align-items: center;
  grid-template-columns: 40px 1fr 130px 150px 130px 80px; gap: 12px; }
.sf-cart-head { padding: 12px 20px; background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); font-size: 13px; color: var(--sf-text-light); margin-bottom: 10px; }
.sf-cart-row { padding: 16px 20px; background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); margin-bottom: 10px; transition: var(--sf-transition); }
.sf-cart-row:hover { box-shadow: var(--sf-shadow-md); }
.sf-cart-row .c-goods { display: flex; align-items: center; gap: 14px; min-width: 0; }
.sf-cart-row .c-goods img { width: 76px; height: 76px; object-fit: cover; border-radius: 10px; flex: none; }
.sf-cart-row .c-name { min-width: 0; font-size: 14px; color: var(--sf-text); line-height: 1.5; }
.sf-cart-row .c-name em { display: block; font-style: normal; font-size: 12px; color: var(--sf-text-light); }
.sf-cart-stock { display: inline-block; font-style: normal; font-size: 11px; color: #d97706;
  background: #fef3c7; border-radius: 4px; padding: 1px 7px; margin-left: 6px; }
.sf-cart-noimg { width: 76px; height: 76px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, #eef2f8, #e2e9f4); }
.sf-cart-row .c-price { color: var(--sf-text-secondary); font-size: 14px; }
.sf-cart-row .c-sub { color: var(--shop-primary, #2563eb); font-weight: 700; font-size: 15px; }
.sf-cart-row .c-op a { font-size: 13px; color: var(--sf-text-light); }
.sf-cart-row .c-op a:hover { color: #dc2626; }
.sf-qty { display: inline-flex; align-items: stretch; border: 1px solid var(--sf-border);
  border-radius: 8px; overflow: hidden; background: #fff; }
.sf-qty button { width: 30px; height: 34px; border: none; background: #f6f8fc; color: var(--sf-text);
  font-size: 16px; cursor: pointer; transition: var(--sf-transition); line-height: 1; }
.sf-qty button:hover { background: var(--shop-primary-light, #eff4ff); color: var(--shop-primary, #2563eb); }
.sf-qty input { width: 46px; border: none; text-align: center; font-size: 14px; outline: none;
  border-left: 1px solid var(--sf-border); border-right: 1px solid var(--sf-border);
  -moz-appearance: textfield; }
.sf-qty input::-webkit-inner-spin-button, .sf-qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.sf-cart-bar { position: sticky; bottom: 16px; z-index: 10; display: flex; align-items: center; gap: 20px;
  margin-top: 16px; padding: 14px 20px 14px 22px; border-radius: var(--sf-radius);
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  box-shadow: var(--sf-shadow-md), inset 0 0 0 1px rgba(37,99,235,0.08); }
.sf-cart-bar-check { display: flex; align-items: center; gap: 6px; font-size: 13px;
  color: var(--sf-text-secondary); cursor: pointer; }
.sf-cart-ship { font-size: 12px; color: var(--sf-text-light); }
.sf-cart-ship b { color: var(--shop-primary, #2563eb); }
.sf-cart-ship .ok { font-style: normal; display: inline-block; width: 15px; height: 15px; border-radius: 50%;
  background: #10b981; color: #fff; font-size: 10px; text-align: center; line-height: 15px; margin-right: 2px; }
.sf-cart-sum { margin-left: auto; font-size: 13px; color: var(--sf-text-secondary); }
.sf-cart-sum b { color: var(--shop-primary, #2563eb); }
.sf-cart-sum i { font-style: normal; margin: 0 4px 0 8px; }
.sf-cart-sum .sf-price { font-size: 22px; font-weight: 800; }
.sf-cart-bar .sf-btn-buy { padding: 12px 44px; font-size: 15px; border-radius: 999px; }
.sf-cart-rec { margin-top: 44px; }
@media (max-width: 900px) {
  .sf-cart-head { display: none; }
  .sf-cart-row { grid-template-columns: 30px 1fr; grid-template-rows: auto auto auto; }
  .sf-cart-row .c-goods { grid-column: 2; }
  .sf-cart-row .c-price, .sf-cart-row .c-sub { grid-column: 2; }
}

/* ===== 页面标题：左渐变装饰条 ===== */
.sf-page-title { position: relative; padding-left: 14px; letter-spacing: 0.5px; }
.sf-page-title::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px;
  background: linear-gradient(180deg, var(--shop-primary, #2563eb), var(--shop-accent, #3b82f6)); }

/* ===== 优惠券：票券卡 ===== */
.sf-cpn-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.sf-cpn { display: flex; align-items: stretch; background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); overflow: hidden; transition: var(--sf-transition); }
.sf-cpn:hover { transform: translateY(-2px); box-shadow: var(--sf-shadow-md); }
.sf-cpn-value { flex: none; width: 118px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 18px 8px; color: var(--shop-on-primary, #fff);
  background: linear-gradient(135deg, var(--shop-primary, #2563eb), var(--shop-accent, #3b82f6)); }
.sf-cpn-value i { font-style: normal; font-size: 14px; font-weight: 600; opacity: .9; }
.sf-cpn-num { font-size: 30px; font-weight: 800; line-height: 1.1; letter-spacing: -0.5px; }
.sf-cpn-min { margin-top: 4px; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: rgba(255,255,255,0.18); }
.sf-cpn-info { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 16px 14px; border-left: 1px dashed var(--sf-border); position: relative; }
.sf-cpn-info::before, .sf-cpn-info::after { content: ''; position: absolute; left: -7px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--sf-bg); }
.sf-cpn-info::before { top: -6px; } .sf-cpn-info::after { bottom: -6px; }
.sf-cpn-info b { font-size: 14px; color: var(--sf-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sf-cpn-info span { font-size: 12px; color: var(--sf-text-light); }
.sf-cpn-act { flex: none; display: flex; align-items: center; padding: 0 16px; }
.sf-cpn-btn { display: inline-block; padding: 7px 18px; border-radius: 999px; border: 1px solid var(--shop-primary, #2563eb);
  color: var(--shop-primary, #2563eb); font-size: 13px; font-weight: 600; background: transparent; cursor: pointer;
  transition: var(--sf-transition); white-space: nowrap; }
.sf-cpn-btn:hover { background: var(--shop-primary, #2563eb); color: var(--shop-on-primary, #fff); box-shadow: var(--sf-shadow-brand); }
.sf-cpn.mine .sf-cpn-value { background: linear-gradient(135deg, #4a5a70, #5b6b80); }
.sf-cpn.mine .sf-cpn-btn { border-color: #5b6b80; color: #5b6f97; }
.sf-cpn.mine .sf-cpn-btn:hover { background: #5b6b80; color: #fff; box-shadow: none; }
@media (max-width: 900px) { .sf-cpn-grid { grid-template-columns: 1fr; } }

/* ===== 统一空态组件（任务932）：SSR partial 与 shop.js sfEmpty() 同构 ===== */
.sf-empty { display: flex; flex-direction: column; align-items: center; }
.sf-empty-icon { font-size: 44px; line-height: 1; margin-bottom: 16px; opacity: .8;
  filter: grayscale(.15); }
.sf-empty-title { font-size: 15px; font-weight: 600; color: var(--sf-text-secondary); }
.sf-empty-desc { font-size: 13px; color: var(--sf-text-light); margin-top: 8px; line-height: 1.7; }
.sf-empty-actions { margin-top: 20px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
/* 内嵌紧凑态：表单区块/弹层面板内使用，去掉卡片底与大留白 */
.sf-empty-sm { padding: 30px 16px; background: transparent; box-shadow: none; }
.sf-empty-sm .sf-empty-icon { font-size: 28px; margin-bottom: 10px; }

/* ===== 统一加载骨架（任务932）：SSR partial 与 shop.js sfSkel() 同构 ===== */
.sf-skel { padding: 4px 0; }
.sf-skel .sf-skel-line, .sf-skel .sf-skel-ico, .sf-skel .sf-skel-img,
.sf-skel .sf-skel-bar, .sf-skel .sf-skel-hero {
  display: block; border-radius: 8px;
  background: linear-gradient(90deg, #edf1f7 25%, #f7f9fd 50%, #edf1f7 75%);
  background-size: 200% 100%; animation: sf-skel-shimmer 1.4s ease-in-out infinite; }
@keyframes sf-skel-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
/* 行式：订单/售后/地址/券/积分列表占位 */
.sf-skel-row { display: flex; align-items: center; gap: 16px; padding: 18px 20px;
  background: var(--sf-card); border-radius: var(--sf-radius); box-shadow: var(--sf-shadow-sm); margin-bottom: 12px; }
.sf-skel-ico { width: 44px; height: 44px; flex: none; }
.sf-skel-grow { flex: 1; display: flex; flex-direction: column; gap: 9px; }
.sf-skel-line { height: 14px; }
.sf-skel-short { width: 52%; }
/* 卡式：商品网格/秒杀/拼团/收藏占位（复用 .sf-goods-grid 对齐真实网格） */
.sf-skel-card { background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); overflow: hidden; padding-bottom: 16px; }
.sf-skel-img { width: 100%; aspect-ratio: 1; border-radius: 0; }
.sf-skel-card .sf-skel-line { margin: 14px 14px 0; }
/* 表单式：结算/售后申请 */
.sf-skel-bar { height: 46px; margin-bottom: 14px; }
.sf-skel-half { width: 58%; }
/* 详情式：订单/售后详情 */
.sf-skel-hero { height: 120px; margin-bottom: 16px; border-radius: var(--sf-radius); }
.sf-skel-detail .sf-skel-line, .sf-skel-lines .sf-skel-line { margin-bottom: 12px; }
.sf-skel-tip { display: block; text-align: center; font-size: 12px; color: var(--sf-text-light);
  margin-top: 14px; letter-spacing: 1px; }
@media (prefers-reduced-motion: reduce) {
  .sf-skel .sf-skel-line, .sf-skel .sf-skel-ico, .sf-skel .sf-skel-img,
  .sf-skel .sf-skel-bar, .sf-skel .sf-skel-hero { animation: none; }
}

/* ===== 收银台（任务905） ===== */
.sf-card { background: var(--sf-card); border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-sm); padding: 20px; margin-bottom: 16px; }
.sf-card-title { font-size: 16px; font-weight: 600; margin: 0 0 14px; }
.sf-pay-head { display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 12px; border-bottom: 1px solid var(--sf-border); margin-bottom: 12px; }
.sf-pay-sn { font-size: 14px; color: var(--sf-text-light); }
.sf-order-deli { font-size: 13px; color: var(--sf-text-light); margin-bottom: 10px; line-height: 1.7; }
.sf-pay-total { text-align: right; padding-top: 12px; border-top: 1px dashed var(--sf-border); margin-top: 8px; }
.sf-pay-price { font-size: 22px; }
.sf-pay-opts { display: flex; flex-direction: column; gap: 10px; }
.sf-pay-opt { display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border: 1px solid var(--sf-border); border-radius: var(--sf-radius); cursor: pointer;
  transition: border-color .2s; }
.sf-pay-opt:hover { border-color: var(--sf-primary); }
.sf-pay-opt input[type="radio"] { accent-color: var(--sf-primary); }
.sf-pay-opt-name { font-weight: 600; }
.sf-pay-opt-disabled { opacity: .55; cursor: not-allowed; }
.sf-pay-opt-disabled:hover { border-color: var(--sf-border); }
.sf-pay-section { padding: 4px 0 2px; }
.sf-pay-upload { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.sf-pay-upload input[type="file"] { font-size: 13px; max-width: 260px; }
.sf-pay-result { text-align: center; padding: 36px 20px; }
.sf-pay-result-ok .sf-pay-result-title { color: var(--sf-success, #67c23a); }
.sf-pay-result-wait .sf-pay-result-title { color: var(--sf-warning, #e6a23c); }
.sf-pay-result-title { font-size: 20px; font-weight: 600; }
.sf-pay-result-amount { font-size: 28px; font-weight: 700; margin: 12px 0 4px; }
.sf-pay-result-sn { color: var(--sf-text-light); font-size: 13px; }
.sf-pay-result-tip { margin-top: 14px; font-size: 13px; color: var(--sf-text-light); line-height: 1.7; }
.sf-pay-result-ops { display: flex; gap: 10px; justify-content: center; margin-top: 20px; }
@media (max-width: 768px) {
  .sf-pay-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sf-pay-upload input[type="file"] { max-width: 100%; }
}
/* ---------- 个人中心子页（任务918）：询价/发票/评价/历史/设备 ---------- */
.sf-uc-table { width: 100%; }
.sf-uc-table td, .sf-uc-table th { padding: 12px 10px; }
.sf-btn-sm { padding: 5px 14px; font-size: 12px; border-radius: 6px; }
.sf-cmt-card { padding: 16px 18px; margin-bottom: 14px; }
.sf-cmt-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.sf-cmt-star { color: #f59e0b; letter-spacing: 2px; }
.sf-cmt-body { color: var(--sf-text); line-height: 1.7; }
.sf-cmt-reply { margin-top: 10px; padding: 10px 12px; background: var(--sf-bg, #f7f9fc);
  border-radius: 8px; font-size: 13px; color: var(--sf-text-secondary); }
.sf-goods-off { opacity: 0.55; pointer-events: none; }

/* ---------- 发票中心（任务908）：申请开票 + 抬头管理 ---------- */
.sf-btn-disabled { opacity: 0.55; cursor: not-allowed; pointer-events: none; }
.sf-inv-titles-ops { margin-bottom: 12px; }
#sf-title-editor { margin-bottom: 16px; padding: 16px 18px; background: var(--sf-bg, #f7f9fc); border-radius: 8px; }

/* ===== 移动端最低可读（任务919）=====
   口径：不做完整 H5，只保证 <768px 视口「能看能点」——无横向滚动条、
   CTA 可点、数据表可横滑、悬浮件缩位不盖结算 CTA。断点沿用主题既有
   900/768/640/560 档；新规则集中本节，便于整段评估/回退。 */

/* 交付信息 textarea 与输入框同款（原裸元素无样式，桌面/移动一致生效） */
.sf-addr-form textarea { grid-column: 1 / -1; padding: 9px 12px; min-height: 64px;
  border: 1px solid var(--sf-border); border-radius: 8px;
  font-family: inherit; font-size: 14px; resize: vertical; }
.sf-addr-form textarea:focus { border-color: var(--shop-primary, #2563eb); outline: none;
  box-shadow: 0 0 0 3px rgba(var(--shop-primary-rgb, 37,99,235),0.1); }

/* ---------- ≤900px：双栏页头/页脚/信息区收口 ---------- */
@media (max-width: 900px) {
  /* 顶栏账户链接条可横滑，不撑破页宽（hi 语已在 ≤800px 隐藏） */
  .sf-topbar-links { min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .sf-topbar-links::-webkit-scrollbar { display: none; }
  .sf-topbar-links a, .sf-topbar-links span { flex: none; }
  /* 主导航换行跟随（pages.css 的 gap:34 无条件规则会盖 shop.css 媒体档，
     这里按小屏口径重声明） */
  .sf-header-inner { gap: 10px 16px; }
  .sf-nav { flex-wrap: wrap; gap: 8px 20px; }
  .sf-cart-link { padding: 8px 16px; font-size: 13px; }
  /* 页脚四栏 → 自适应两/单栏 */
  .sf-footer-inner { flex-wrap: wrap; gap: 28px 32px; }
  .sf-footer-col { flex: 1 1 140px; min-width: 0; }
  /* 订单/售后筛选条与列表工具条可换行 */
  .sf-order-tabs { flex-wrap: wrap; gap: 4px 18px; }
  .sf-list-bar, .sf-sort { flex-wrap: wrap; gap: 8px 16px; }
  /* 富文本配图不得溢出卡片（上方 640px 上限在窄屏超宽） */
  .sf-content img { max-width: 100%; height: auto; }
  /* 相关推荐固定四列 → 跟随视口自适应 */
  #sf-related-sec .sf-goods-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
  /* 分页可换行 */
  .sf-pagination { flex-wrap: wrap; }
}

/* ---------- ≤768px：网格密度 + 数据表横滑兜底 ---------- */
@media (max-width: 768px) {
  .sf-goods-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  #sf-related-sec .sf-goods-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .sf-goods-card .sf-goods-name { padding: 10px 10px 2px; font-size: 13px; }
  .sf-goods-card .sf-goods-sub { padding: 0 10px; }
  .sf-goods-foot { padding: 6px 10px 10px; }
  .sf-goods-foot .sf-goods-price { font-size: 15px; }
  /* 数据表（结算清单/询价/发票/设备等 JS 直出 table，无法包容器）：
     display:block 让表体按 min-content 在块内横滑，不挤爆页宽 */
  .sf-table, .sf-attr-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .sf-table th, .sf-table td { padding: 10px 12px; }
  .sf-attr-table th { width: 108px; }
  /* 详情页密度 */
  .sf-detail { padding: 18px; gap: 20px; }
  .sf-detail-title { font-size: 20px; }
  .sf-detail-meta, .sf-detail-thumbs { flex-wrap: wrap; }
  .sf-detail-meta { gap: 6px 16px; }
  .sf-crumb { flex-wrap: wrap; }
  .sf-content { padding: 16px; }
  .sf-article { padding: 20px 18px; }
  .sf-article-title { font-size: 20px; }
  .sf-article-date { margin-left: 0; }
  /* 卖点条/券卡收缩 */
  .sf-perk { padding: 12px 14px; }
  .sf-perk-ico { width: 32px; height: 32px; border-radius: 9px; font-size: 15px; }
  .sf-cpn-value { width: 96px; }
  .sf-cpn-num { font-size: 24px; }
  .sf-cpn-act { padding: 0 10px; }
}

/* ---------- ≤640px：单列收口 + CTA 触控 ---------- */
@media (max-width: 640px) {
  .sf-main { padding: 16px 12px 56px; }
  .sf-section { margin-bottom: 30px; }
  .sf-section-title { font-size: 18px; flex-wrap: wrap; gap: 6px 12px; }
  .sf-page-title { font-size: 18px; }

  /* 结算/地址/交付表单：三列 → 单列 */
  .sf-addr-form { grid-template-columns: 1fr; }
  .sf-pay-opts { flex-wrap: wrap; gap: 10px 18px; }
  #sf-coupon-select { width: 100%; max-width: 100%; }

  /* 分类侧栏 → 横排 chips */
  .sf-list-side { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px; }
  .sf-list-side h3 { width: 100%; margin: 0 0 4px; }
  .sf-cat-link { padding: 7px 12px; }

  /* 购物车行：数量/操作全部落到内容列（原 30px 轨道放不下步进器） */
  .sf-cart-row { grid-template-columns: 28px 1fr; padding: 14px; }
  .sf-cart-row .c-qty, .sf-cart-row .c-op { grid-column: 2; }
  /* 购物车/结算底部条：换行 + CTA 收紧（原 44px 侧垫小屏挤爆） */
  .sf-cart-bar { flex-wrap: wrap; gap: 10px 14px; bottom: 8px; padding: 12px 14px; }
  .sf-cart-sum { margin-left: 0; flex: 1 1 auto; }
  .sf-cart-bar .sf-btn-buy { padding: 11px 22px; font-size: 14px; }

  /* 订单卡各行允许换行 */
  .sf-order-head { flex-wrap: wrap; gap: 4px 14px; }
  .sf-order-foot { flex-wrap: wrap; gap: 8px 14px; }
  .sf-order-ops { flex-wrap: wrap; }
  .sf-order-detail { padding: 16px; }

  /* 登录页卡宽回收（shop.css 的 400px 定宽在窄屏溢出） */
  .sf-auth-page { padding: 24px 0; }
  .sf-auth-brand { padding: 24px 20px; }
  .sf-auth-card { width: 100%; padding: 26px 20px; }

  /* 通栏横幅 → 纵向 */
  .sf-ad-banner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 24px 20px; }

  /* Hero/轮播文案密度 */
  .sf-hero-inner { padding: 32px 18px; }
  .sf-hero-title { font-size: 24px; }
  .sf-hero-btn { padding: 11px 22px; font-size: 14px; }
  .sf-slide-cap { padding: 30px 16px 16px; }
  .sf-slide-cap b { font-size: 18px; letter-spacing: 1px; }
  .sf-ad-card { min-height: 96px; padding: 18px 20px; }

  /* 个人中心 */
  .sf-uc-stats { grid-template-columns: repeat(2, 1fr); }
  .sf-uc-card { padding: 16px; }
  .sf-uc-row input, .sf-uc-row select { max-width: none; }

  /* 售后时间线：时间戳块化不与备注挤行 */
  .sf-timeline .sf-tl-time { display: block; min-width: 0; margin: 0 0 2px; }

  /* 空态留白收缩 */
  .sf-empty { padding: 44px 16px; }
}

/* ---------- ≤560px：悬浮件缩位不盖底部 CTA ---------- */
@media (max-width: 560px) {
  .sf-header-inner { padding: 10px 12px; }
  .sf-logo { font-size: 17px; }
  .sf-logo img { height: 28px; }
  .sf-float-item { width: 46px; height: 46px; }
  .sf-float-btn { right: 10px; bottom: 14px; gap: 10px; }
  .sf-float-panel { right: 10px; bottom: 96px; }
  .sf-float-contact { max-width: calc(100vw - 20px); }
}

/* ===== 任务909·询价/定制申请页（/shop/quote/new）===== */
.sf-quote-goods { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.sf-quote-goods-img { width: 88px; height: 88px; flex: none; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--sf-border); background: #f8fafd; }
.sf-quote-goods-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sf-quote-goods-img .sf-goods-noimg { width: 100%; height: 100%; display: flex; align-items: center;
  justify-content: center; font-size: 12px; color: var(--sf-text-light); }
.sf-quote-goods-title { font-size: 16px; font-weight: 600; color: var(--sf-text); text-decoration: none; }
.sf-quote-goods-title:hover { color: var(--shop-primary, #2563eb); }
.sf-quote-goods-meta { display: flex; gap: 14px; align-items: baseline; margin-top: 6px; font-size: 13px;
  color: var(--sf-text-light); }
.sf-quote-goods .sf-price { font-size: 17px; font-weight: 700; }
.sf-quote-goods .sf-detail-sub { margin: 4px 0 0; font-size: 13px; color: var(--sf-text-light); }
.sf-uc-row textarea { flex: 1; max-width: 420px; padding: 9px 12px; border: 1px solid var(--sf-border);
  border-radius: 8px; font-size: 14px; font-family: inherit; resize: vertical; transition: var(--sf-transition); }
.sf-uc-row textarea:focus { border-color: var(--shop-primary, #2563eb); outline: none;
  box-shadow: 0 0 0 3px rgba(var(--shop-primary-rgb, 37,99,235),0.1); }
.sf-quote-steps { margin: 0; padding-left: 20px; color: var(--sf-text-secondary); font-size: 14px; line-height: 2; }
.sf-quote-done { padding: 10px 0 4px; color: var(--sf-text-secondary); font-size: 14px; }
.sf-quote-done-title { font-size: 17px; font-weight: 700; color: var(--sf-text); margin: 0 0 8px; }
.sf-quote-done-ops { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }