/* ================================================================
 *  style.css — 南京哈喜派科技 (oasispi.com)
 *  设计：浅色专业 · 蓝主调 · 精致装饰 · SVG 分类图标 · 无 Emoji
 * ================================================================ */

:root {
  --c-primary:        #1e5cff;
  --c-primary-600:    #1849d6;
  --c-primary-100:    #e8efff;
  --c-primary-50:     #f3f6ff;
  --c-accent:         #ff8a3d;
  --c-success:        #1aa86a;
  --c-warning:        #e8a400;
  --c-danger:         #d8443c;
  --c-text:           #1c2434;
  --c-text-2:         #4a5568;
  --c-text-3:         #7a8599;
  --c-line:           #e4e8f0;
  --c-line-2:         #eef1f6;
  --c-bg:             #f6f8fc;
  --c-bg-2:           #ffffff;
  --c-bg-soft:        #fafbfd;
  --shadow-sm:        0 1px 2px rgba(28, 36, 52, .06);
  --shadow-md:        0 6px 24px rgba(28, 36, 52, .08);
  --shadow-lg:        0 12px 40px rgba(28, 36, 52, .12);
  --radius-sm:        6px;
  --radius:           10px;
  --radius-lg:        16px;
  --radius-xl:        22px;
  --max:              1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  font-size: 14.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--c-primary-600); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit; font-size: 14.5px; color: var(--c-text);
  border: 1px solid var(--c-line); background: #fff; border-radius: var(--radius-sm);
  padding: 10px 12px; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30, 92, 255, .12);
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--c-text-3); }
.tc { text-align: center; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.hidden { display: none !important; }

/* ========== 头部 ========== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-line-2);
}
.header-inner {
  display: flex; align-items: center; gap: 24px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--c-text); }
.brand:hover { color: var(--c-text); }
.brand-mark { display: inline-flex; }
.brand-text strong { display: block; font-size: 16px; line-height: 1.2; }
.brand-text em { display: block; font-style: normal; font-size: 11.5px; color: var(--c-text-3); margin-top: 2px; }
.site-nav { display: flex; gap: 6px; margin-left: 24px; }
.site-nav a {
  display: inline-flex; align-items: center; height: 36px; padding: 0 14px;
  border-radius: 999px; color: var(--c-text-2); font-weight: 500;
}
.site-nav a:hover { background: var(--c-primary-50); color: var(--c-primary); }
.site-nav a.active { background: var(--c-primary-100); color: var(--c-primary); }
.site-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.cart-link {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-primary);
  font-weight: 600; position: relative;
}
.cart-link:hover { background: var(--c-primary-100); }
.cart-badge {
  display: inline-flex; min-width: 20px; height: 20px; padding: 0 6px;
  align-items: center; justify-content: center; border-radius: 999px;
  background: var(--c-accent); color: #fff; font-style: normal; font-size: 12px;
  margin-left: 4px;
}
.btn-ghost, .btn-solid, .btn-outline, .btn-soft {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 18px; border-radius: 999px;
  font-weight: 600; font-size: 14px; transition: all .15s ease;
  border: 1px solid transparent; cursor: pointer;
}
.btn-ghost  { background: var(--c-primary-50); color: var(--c-primary); }
.btn-ghost:hover  { background: var(--c-primary-100); }
.btn-solid  { background: var(--c-primary); color: #fff; box-shadow: 0 6px 16px rgba(30, 92, 255, .25); }
.btn-solid:hover  { background: var(--c-primary-600); }
.btn-outline{ background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover  { background: var(--c-primary-50); }
.btn-soft   { background: #fff; color: var(--c-text-2); border-color: var(--c-line); }
.btn-soft:hover  { border-color: var(--c-primary); color: var(--c-primary); }
.btn-lg     { height: 44px; padding: 0 22px; font-size: 14.5px; }

.user-menu { display: inline-flex; align-items: center; gap: 8px; }
.user-link {
  display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px 0 6px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-text);
}
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--c-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}
.link-quiet { color: var(--c-text-3); font-size: 13px; }
.link-quiet:hover { color: var(--c-primary); }

.nav-toggle { display: none; background: none; border: 0; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-text); margin: 4px 0; border-radius: 2px; }

/* ========== 底部 ========== */
.site-footer { margin-top: 64px; background: #141c2c; color: #b6c0d4; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 48px 20px 32px;
}
.footer-col h4 { color: #fff; margin: 0 0 14px; font-size: 15px; }
.footer-col p { color: #93a0b6; font-size: 13.5px; line-height: 1.85; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; font-size: 13.5px; }
.footer-col a { color: #b6c0d4; }
.footer-col a:hover { color: #fff; }
.contact-list li { color: #93a0b6; }
.footer-bottom { border-top: 1px solid #1f2940; padding: 18px 0; }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px; color: #7a87a3; gap: 12px; flex-wrap: wrap;
}
.footer-bottom-inner a { color: #93a0b6; }
.footer-bottom-inner a:hover { color: #fff; }

/* ========== 通用区块 ========== */
.section { padding: 56px 0; }
.section-sm { padding: 36px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 {
  font-size: 26px; margin: 0 0 8px; color: var(--c-text);
  display: inline-flex; align-items: center; gap: 10px;
}
.section-head h2::before, .section-head h2::after {
  content: ''; display: inline-block; width: 28px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-primary), transparent);
  border-radius: 2px;
}
.section-head p { color: var(--c-text-3); margin: 0; font-size: 14.5px; }

.panel {
  background: var(--c-bg-2); border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm);
}
.panel + .panel { margin-top: 18px; }

/* ========== 英雄区（首页） ========== */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #1e5cff 0%, #4f86ff 60%, #7ba6ff 100%);
  color: #fff;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(255,255,255,.18), transparent 40%),
                    radial-gradient(circle at 20% 80%, rgba(255,255,255,.12), transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; padding: 72px 0 60px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.25; margin: 0 0 16px; font-weight: 800; }
.hero p { font-size: 16px; color: rgba(255,255,255,.92); max-width: 560px; }
.hero-cta { display: flex; gap: 12px; margin-top: 28px; }
.hero-cta .btn-solid { background: #fff; color: var(--c-primary); box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.hero-cta .btn-solid:hover { background: #f0f3ff; }
.hero-cta .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.hero-cta .btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.hero-stats { display: flex; gap: 28px; margin-top: 36px; }
.hero-stat { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); border-radius: 14px; padding: 12px 18px; backdrop-filter: blur(8px); }
.hero-stat strong { display: block; font-size: 22px; }
.hero-stat span { font-size: 12.5px; color: rgba(255,255,255,.85); }
.hero-visual {
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22);
  border-radius: 20px; padding: 22px; backdrop-filter: blur(10px);
}
.hero-visual .row { display: flex; gap: 14px; }
.hero-visual .cell { flex: 1; background: rgba(255,255,255,.16); border-radius: 12px; padding: 14px; }
.hero-visual .cell h5 { margin: 0 0 6px; font-size: 14px; }
.hero-visual .cell p { margin: 0; font-size: 12.5px; color: rgba(255,255,255,.85); }
.hero-visual .row + .row { margin-top: 14px; }

/* ========== 模块卡片（首页） ========== */
.module-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.module-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl); padding: 32px;
  background: #fff; border: 1px solid var(--c-line-2);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.module-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--c-primary-100); }
.module-card .pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-primary);
  font-size: 12px; font-weight: 600; align-self: flex-start;
}
.module-card h3 { font-size: 22px; margin: 0; color: var(--c-text); }
.module-card p { color: var(--c-text-2); margin: 0; }
.module-card ul { padding: 0; margin: 6px 0 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.module-card li { display: flex; align-items: center; gap: 8px; color: var(--c-text-2); font-size: 13.5px; }
.module-card li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary);
}
.module-card .module-cta { display: flex; gap: 10px; margin-top: 8px; }

/* ========== 数据条（首页商家/统计） ========== */
.bar-list { display: flex; flex-direction: column; gap: 14px; }
.bar-item .label { display: flex; justify-content: space-between; font-size: 13px; color: var(--c-text-2); margin-bottom: 6px; }
.bar-item .track { height: 8px; background: var(--c-line-2); border-radius: 999px; overflow: hidden; }
.bar-item .fill { display: block; height: 100%; background: linear-gradient(90deg, var(--c-primary), #5b8def); border-radius: 999px; }

/* ========== 筛选 + 卡片网格（商城/信息） ========== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px;
}
.filter-bar .search { flex: 1; min-width: 200px; }
.filter-bar select { width: auto; min-width: 160px; }
.chip {
  display: inline-flex; align-items: center; height: 32px; padding: 0 14px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-primary);
  font-size: 13px; font-weight: 500; cursor: pointer; transition: all .15s ease;
  border: 1px solid transparent;
}
.chip:hover { background: var(--c-primary-100); }
.chip.active { background: var(--c-primary); color: #fff; }

.grid { display: grid; gap: 18px; }
.grid-products { grid-template-columns: repeat(4, 1fr); }
.grid-info { grid-template-columns: repeat(3, 1fr); }
.grid-merchants { grid-template-columns: repeat(4, 1fr); }

/* ========== 商品卡 ========== */
.product-card {
  background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .2s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-primary-100); }
.product-card .cover {
  position: relative; aspect-ratio: 4 / 3; background: #f5f7fb; overflow: hidden;
  display: block;
}
.product-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .cover img { transform: scale(1.04); }
.product-card .sku-pill {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; height: 22px; padding: 0 10px;
  background: rgba(20, 28, 44, .72); color: #fff;
  border-radius: 999px; font-size: 11.5px; font-weight: 500;
  backdrop-filter: blur(4px);
}
.product-card .body { padding: 12px 16px 14px; display: flex; flex-direction: column; gap: 6px; }
.product-card .title {
  font-size: 14.5px; font-weight: 600; color: var(--c-text); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 42px;
  text-decoration: none;
}
.product-card .title:hover { color: var(--c-primary); }
.product-card .merchant { color: var(--c-text-3); font-size: 12.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.product-card .tags { display: flex; flex-wrap: wrap; gap: 5px; }
.product-card .tags .tag {
  display: inline-flex; align-items: center; height: 20px; padding: 0 8px;
  border-radius: 4px; background: var(--c-primary-50); color: var(--c-primary);
  font-size: 11.5px;
}
.product-card .price-row { display: flex; align-items: baseline; gap: 8px; margin-top: 2px; }
.product-card .price { color: var(--c-danger); font-weight: 700; font-size: 17px; }
.product-card .price-old { color: var(--c-text-3); text-decoration: line-through; font-size: 12.5px; }
.product-card .actions { display: flex; gap: 8px; margin-top: 6px; }
.product-card .btn-detail, .product-card .btn-cart {
  flex: 1; height: 36px; border-radius: 999px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none; transition: all .15s ease;
  border: 1px solid transparent;
}
.product-card .btn-detail { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.product-card .btn-detail:hover { background: var(--c-primary-50); }
.product-card .btn-cart { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.product-card .btn-cart:hover { background: var(--c-primary-600); border-color: var(--c-primary-600); }
.product-card .btn-cart:disabled { opacity: .55; cursor: not-allowed; }

/* ========== 信息卡 ========== */
.info-card {
  background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; transition: all .2s ease;
}
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-primary-100); }
.info-card .cover { aspect-ratio: 16 / 9; background: #eef2f9; overflow: hidden; }
.info-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.info-card:hover .cover img { transform: scale(1.05); }
.info-card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; }
.info-card .title { font-size: 15.5px; font-weight: 600; color: var(--c-text); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 46px; }
.info-card .summary { color: var(--c-text-2); font-size: 13px; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.info-card .meta { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--c-text-3); margin-top: 4px; }
.info-card .meta .publisher { color: var(--c-primary); font-weight: 500; }
.info-card .meta .time { color: var(--c-text-3); }

/* ========== 商家卡 ========== */
.merchant-card {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 22px; display: flex; flex-direction: column; gap: 10px;
  transition: all .2s ease;
}
.merchant-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-primary-100); }
.merchant-card .logo {
  width: 48px; height: 48px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-primary), #5b8def);
  color: #fff; font-size: 22px; font-weight: 700;
}
.merchant-card h4 { margin: 0; font-size: 16px; }
.merchant-card p { margin: 0; color: var(--c-text-3); font-size: 13px; }

/* ========== 面包屑 ========== */
.crumbs { font-size: 13px; color: var(--c-text-3); margin: 20px 0 6px; }
.crumbs a { color: var(--c-text-3); }
.crumbs a:hover { color: var(--c-primary); }
.crumbs .sep { margin: 0 8px; color: var(--c-line); }
.crumbs .now  { color: var(--c-text); }

/* ========== 详情页布局 ========== */
.detail-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; margin-top: 16px; }
.gallery { max-width: 560px; width: 100%; }
.gallery .main {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3; overflow: hidden;
}
.gallery .main img { width: 100%; height: 100%; object-fit: cover; }
.gallery .thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery .thumb {
  width: 64px; height: 64px; border-radius: 8px; overflow: hidden; cursor: pointer;
  border: 2px solid transparent; background: #fff; padding: 0; transition: border-color .15s ease;
}
.gallery .thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery .thumb.active { border-color: var(--c-primary); }

.info-col .price-line { display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.info-col .price-now { color: var(--c-danger); font-size: 32px; font-weight: 800; }
.info-col .price-old { color: var(--c-text-3); text-decoration: line-through; }
.info-col h1 { font-size: 22px; margin: 12px 0 8px; line-height: 1.45; }
.info-col .merchant-line { color: var(--c-text-3); font-size: 13.5px; }
.info-col .merchant-line strong { color: var(--c-text-2); font-weight: 500; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag-list .tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-primary);
  font-size: 12px;
}

/* ========== 商品详情图片（上下纵向查看） ========== */
.detail-pics {
  margin-top: 28px; padding: 24px 28px;
  background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.detail-pics-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.detail-pics-head h2 { font-size: 18px; margin: 0; color: var(--c-text); }
.detail-pics-head .muted { font-size: 13px; }
.detail-pics-scroll {
  display: flex; flex-direction: column; gap: 18px;
}
.detail-pic {
  margin: 0; width: 100%; max-width: 900px; margin-left: auto; margin-right: auto;
  border-radius: 12px; overflow: hidden;
  background: #f5f7fb;
  border: 1px solid var(--c-line-2);
}
.detail-pic img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
}
.detail-pic figcaption {
  padding: 8px 14px; font-size: 12.5px; color: var(--c-text-3);
  border-top: 1px solid var(--c-line-2); background: var(--c-bg-soft);
  text-align: center;
}

/* ========== 商品 SKU 选择器 ========== */
.sku-block { margin: 18px 0 6px; }
.sku-label {
  font-size: 13px; color: var(--c-text-2); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.sku-label .muted { font-size: 12.5px; }
.sku-options { display: flex; flex-wrap: wrap; gap: 10px; }
.sku-chip {
  display: inline-flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 10px 14px; border-radius: 10px;
  border: 1.5px solid var(--c-line); background: #fff;
  cursor: pointer; transition: all .15s ease; min-width: 120px; max-width: 100%;
}
.sku-chip:hover { border-color: var(--c-primary); }
.sku-chip.active {
  border-color: var(--c-primary); background: var(--c-primary-50);
  box-shadow: 0 0 0 3px rgba(30, 92, 255, .08);
}
.sku-chip .sku-name { font-size: 13.5px; font-weight: 500; color: var(--c-text); line-height: 1.45; }
.sku-chip.active .sku-name { color: var(--c-primary); }
.sku-chip .sku-price { font-size: 13px; color: var(--c-danger); font-weight: 600; }

.sku-pill {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; height: 22px; padding: 0 10px;
  background: rgba(20, 28, 44, .72); color: #fff;
  border-radius: 999px; font-size: 11.5px; font-weight: 500;
  backdrop-filter: blur(4px);
}
.spec-box {
  background: var(--c-bg-soft); border: 1px solid var(--c-line-2);
  border-radius: var(--radius); padding: 14px 16px; margin: 16px 0; color: var(--c-text-2);
  font-size: 13.5px; line-height: 1.85;
}
.qty-row { display: flex; align-items: center; gap: 14px; margin: 18px 0 12px; }
.qty-stepper { display: inline-flex; align-items: center; border: 1px solid var(--c-line); border-radius: 999px; overflow: hidden; }
.qty-stepper button {
  width: 36px; height: 36px; background: #fff; border: 0; font-size: 18px; color: var(--c-text-2);
}
.qty-stepper input { width: 56px; height: 36px; border: 0; text-align: center; padding: 0; -moz-appearance: textfield; }
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.detail-actions { display: flex; gap: 12px; margin-top: 8px; }
.detail-actions .btn-solid { flex: 1; height: 46px; }
.detail-actions .btn-outline { height: 46px; }

.contact-card {
  margin-top: 24px; background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); padding: 22px;
}
.info-col > .contact-card { margin-top: 0; margin-bottom: 20px; padding: 18px 20px; }
.info-col > .contact-card h3 { font-size: 15px; margin-bottom: 10px; }
.info-col > .contact-card .contact-row { padding: 8px 0; }
.info-col > .contact-card .contact-row:last-child { padding-bottom: 0; }
.contact-card h3 { margin: 0 0 14px; font-size: 17px; }
.contact-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--c-line-2); }
.contact-row:last-child { border-bottom: 0; }
.contact-row .icon {
  width: 32px; height: 32px; border-radius: 8px; background: var(--c-primary-50); color: var(--c-primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.contact-row .text { flex: 1; }
.contact-row .label { font-size: 12px; color: var(--c-text-3); }
.contact-row .value { font-size: 14px; color: var(--c-text); font-weight: 500; }
.contact-row .reveal-tip { font-size: 12px; color: var(--c-primary); }

/* ========== 信息详情页正文 ========== */
.info-detail { display: grid; grid-template-columns: 1fr 320px; gap: 28px; margin-top: 16px; }
.info-content {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 28px;
}
.info-content h1 { font-size: 24px; margin: 0 0 12px; line-height: 1.4; }
.info-content .meta { color: var(--c-text-3); font-size: 13px; display: flex; gap: 18px; flex-wrap: wrap; }
.info-content .cover {
  width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden;
  background: #eef2f9; margin: 18px 0;
}
.info-content .cover img { width: 100%; height: 100%; object-fit: cover; }
.info-content .body { font-size: 15px; color: var(--c-text); line-height: 1.95; }
.info-content .body p { margin: 0 0 14px; }
.info-sidebar { display: flex; flex-direction: column; gap: 16px; }
.sidebar-card {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 20px;
}
.sidebar-card h3 { margin: 0 0 12px; font-size: 16px; }
.sidebar-card p { color: var(--c-text-2); margin: 0; font-size: 13.5px; line-height: 1.75; }

/* ========== 购物车 ========== */
.cart-table {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: 14px;
}
.cart-row {
  display: grid; grid-template-columns: 80px 1fr 140px 100px 100px 40px;
  align-items: center; gap: 16px; padding: 16px 18px;
  border-bottom: 1px solid var(--c-line-2);
}
.cart-row:last-child { border-bottom: 0; }
.cart-row.head { background: var(--c-bg-soft); color: var(--c-text-2); font-size: 13px; }
.cart-row .pic { width: 80px; height: 80px; border-radius: 8px; overflow: hidden; background: #f0f3f9; }
.cart-row .pic img { width: 100%; height: 100%; object-fit: cover; }
.cart-row .name { font-weight: 600; }
.cart-row .name small { display: block; color: var(--c-text-3); font-weight: normal; font-size: 12.5px; margin-top: 2px; }
.cart-row .price { color: var(--c-danger); font-weight: 700; }
.cart-row .remove { background: none; border: 0; color: var(--c-text-3); font-size: 18px; }
.cart-row .remove:hover { color: var(--c-danger); }
.cart-summary {
  margin-top: 18px; background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.cart-summary .total { font-size: 18px; }
.cart-summary .total strong { color: var(--c-danger); font-size: 26px; margin-left: 8px; }
.cart-empty {
  text-align: center; padding: 80px 20px; color: var(--c-text-3);
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
}
.cart-empty h3 { color: var(--c-text); margin: 0 0 8px; }
.cart-empty p { margin: 0 0 16px; }

/* ========== 表单（登录/注册/发布） ========== */
.auth-wrap {
  max-width: 480px; margin: 40px auto; background: #fff;
  border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 36px 32px; box-shadow: var(--shadow-md);
}
.auth-wrap h2 { text-align: center; margin: 0 0 6px; font-size: 24px; }
.auth-wrap .sub { text-align: center; color: var(--c-text-3); margin: 0 0 26px; font-size: 14px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; color: var(--c-text-2); margin-bottom: 6px; }
.form-row .error-msg { color: var(--c-danger); font-size: 12.5px; margin-top: 6px; min-height: 16px; }
.checkbox-row {
  display: flex; align-items: flex-start; gap: 8px; margin-bottom: 12px;
  font-size: 13px; color: var(--c-text-2);
}
.checkbox-row input { width: auto; margin-top: 3px; }
.checkbox-row a { color: var(--c-primary); }
.btn-block { display: flex; width: 100%; height: 44px; align-items: center; justify-content: center; }
.auth-foot { text-align: center; font-size: 13px; color: var(--c-text-3); margin-top: 16px; }

/* ========== 发布表单 ========== */
.publish-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; margin-top: 14px; }
.publish-form { background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg); padding: 28px; }
.publish-form h2 { margin: 0 0 6px; }
.publish-form .sub { color: var(--c-text-3); font-size: 13.5px; margin: 0 0 22px; }
.publish-side .panel h4 { margin: 0 0 10px; }
.publish-side .panel p { color: var(--c-text-2); font-size: 13.5px; line-height: 1.85; margin: 0; }
.publish-side .panel + .panel { margin-top: 14px; }

/* ========== 关于我们 ========== */
.about-wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; margin-top: 14px; }
.about-main { background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg); padding: 32px; }
.about-main h2 { margin: 0 0 14px; font-size: 22px; }
.about-main p { color: var(--c-text-2); line-height: 1.9; margin: 0 0 14px; }
.about-side { display: flex; flex-direction: column; gap: 16px; }
.kv-list { background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg); padding: 20px; }
.kv-list h3 { margin: 0 0 12px; font-size: 16px; }
.kv { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--c-line-2); font-size: 13.5px; }
.kv:last-child { border-bottom: 0; }
.kv .k { width: 90px; color: var(--c-text-3); }
.kv .v { flex: 1; color: var(--c-text); }

/* ========== 个人中心 ========== */
.account-card {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 28px; max-width: 560px; margin: 0 auto;
}
.account-card h2 { margin: 0 0 18px; }
.account-layout {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 18px; align-items: start;
}
.account-layout .account-card { max-width: none; margin: 0; }
.account-layout .account-card > h2 { font-size: 18px; }
.my-post-list { display: flex; flex-direction: column; }
.my-post {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 0; border-bottom: 1px dashed var(--c-line-2);
}
.my-post:last-child { border-bottom: 0; }
.my-post-main { min-width: 0; }
.my-post-title { font-size: 14.5px; font-weight: 600; line-height: 1.45;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.my-post-sub { font-size: 12.5px; color: var(--c-text-3); margin-top: 3px; }
.my-post-reason { font-size: 12.5px; color: var(--c-danger); margin-top: 4px; }
.my-post-status {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.st-wait { background: var(--c-bg-soft); color: #8a7a3a; border: 1px solid var(--c-line); }
.st-wait .status-dot { background: var(--c-warning); }
.st-ok { background: #eefaf3; color: var(--c-success); }
.st-ok .status-dot { background: var(--c-success); }
.st-bad { background: #fdf1f0; color: var(--c-danger); }
.st-bad .status-dot { background: var(--c-danger); }
.empty-tip { color: var(--c-text-3); font-size: 13.5px; padding: 10px 0; }
.empty-tip a { margin-left: 4px; }

@media (max-width: 860px) {
  .account-layout { grid-template-columns: 1fr; }
}

/* ========== 协议/隐私 ========== */
.doc {
  background: #fff; border: 1px solid var(--c-line-2); border-radius: var(--radius-lg);
  padding: 36px 40px; max-width: 880px; margin: 0 auto;
}
.doc h1 { text-align: center; margin: 0 0 12px; font-size: 26px; }
.doc .updated { text-align: center; color: var(--c-text-3); font-size: 13px; margin: 0 0 28px; }
.doc h3 { margin: 28px 0 10px; font-size: 16px; }
.doc p { color: var(--c-text-2); line-height: 1.9; margin: 0 0 10px; font-size: 14px; }
.doc ul { color: var(--c-text-2); line-height: 1.9; padding-left: 22px; }

/* ========== 空状态 ========== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--c-text-3); }
.empty-state h3 { color: var(--c-text); margin: 8px 0; }

/* ========== Toast ========== */
.toast-host {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
  z-index: 1000; display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  background: rgba(20, 28, 44, .92); color: #fff; padding: 10px 18px;
  border-radius: 999px; font-size: 13.5px; box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(-6px); transition: all .25s ease; pointer-events: auto;
}
.toast.show { opacity: 1; transform: translateY(0); }

.product-grid-wrap { display: grid; }
.group-list { display: flex; flex-direction: column; gap: 18px; }
.group-block {
  background: #fff; border: 1px solid var(--c-line-2);
  border-radius: var(--radius-lg); padding: 22px 22px 24px;
  box-shadow: var(--shadow-sm);
}
.group-head {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px dashed var(--c-line-2);
}
.group-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-primary), #5b8def);
  color: #fff; flex-shrink: 0;
}
.group-meta h3 {
  margin: 0; font-size: 18px; color: var(--c-text);
  display: flex; align-items: center; gap: 10px;
}
.group-count {
  display: inline-flex; align-items: center; height: 22px; padding: 0 10px;
  border-radius: 999px; background: var(--c-primary-50); color: var(--c-primary);
  font-size: 12px; font-weight: 600; font-style: normal;
}
.group-meta p { margin: 2px 0 0; color: var(--c-text-3); font-size: 13px; }
.group-block .grid {
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .grid-products { grid-template-columns: repeat(3, 1fr); }
  .grid-info { grid-template-columns: repeat(2, 1fr); }
  .grid-merchants { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .header-inner { gap: 10px; }
  .site-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff;
              flex-direction: column; gap: 0; padding: 8px 20px; border-bottom: 1px solid var(--c-line-2); margin-left: 0; }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 10px 14px; border-radius: 8px; }
  .site-actions .btn-ghost, .site-actions .btn-solid { display: none; }
  .nav-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; padding: 48px 0; }
  .hero h1 { font-size: 26px; }
  .module-grid { grid-template-columns: 1fr; }
  .detail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 18px;
  }
  .gallery .main { aspect-ratio: 4 / 3; }
  .gallery .thumb { width: 56px; height: 56px; }
  .gallery { max-width: none; }
  .info-col h1 { font-size: 18px; }
  .info-col .price-now { font-size: 24px; }
  .info-col .price-old { font-size: 12.5px; }
  .info-col .merchant-line { font-size: 12.5px; }
  .sku-chip { padding: 8px 12px; min-width: 0; flex: 1 1 calc(50% - 10px); max-width: none; }
  .sku-chip .sku-name { font-size: 13px; }
  .sku-chip .sku-price { font-size: 12.5px; }
  .spec-box { font-size: 12.5px; padding: 12px 14px; }
  .qty-row { gap: 10px; }
  .qty-stepper button { width: 32px; height: 32px; font-size: 16px; }
  .qty-stepper input { width: 50px; height: 32px; }
  .detail-actions .btn-solid,
  .detail-actions .btn-outline { height: 42px; padding: 0 14px; font-size: 13.5px; }
  .contact-card { padding: 16px; }
  .contact-card h3 { font-size: 15px; }
  .contact-row .value { font-size: 13.5px; }
  .info-detail, .publish-grid, .about-wrap { grid-template-columns: 1fr; }
  .grid-products { grid-template-columns: repeat(2, 1fr); }
  .grid-info { grid-template-columns: 1fr; }
  .grid-merchants { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding: 36px 20px 24px; }
  .cart-row { grid-template-columns: 64px 1fr 90px 40px; gap: 10px; padding: 12px; }
  .cart-row .pic { width: 64px; height: 64px; }
  .cart-row .head-hide { display: none; }
  .cart-row .price, .cart-row .qty-stepper { grid-column: span 2; }
  .auth-wrap, .publish-form, .doc { padding: 24px 20px; }
}

/* 极窄屏（手机竖屏）才切回详情页堆叠 */
@media (max-width: 520px) {
  .detail-grid { grid-template-columns: 1fr; gap: 20px; }
  .gallery { max-width: 360px; margin: 0 auto; }
  .sku-chip { flex: 1 1 100%; }
  .detail-pics { padding: 18px; }
}