/* ============================================================
   MOSINTER GROUP - 产品中心·二级分类页面
   second_category.css

   加载顺序：second_category.css → main.css → banner.css
   本文件只负责页面专属样式；
   全局 Reset、:root 变量、header、footer、banner 均由
   main.css 和 banner.css 主导，本文件不重复定义这些规则。
   ============================================================ */

/* ============================================================
   页面专属 CSS 变量
   ============================================================ */
:root {
  --sc-sidebar-w:      200px;
  --sc-right-w:        260px;
  --sc-gap:            24px;
  --sc-card-img-w:     160px;
  --sc-card-img-h:     160px;
}

/* ============================================================
   MAIN CONTENT — 三栏布局，内容尽量靠两侧
   用 !important 覆盖 main.css .container 的 clamp padding
   ============================================================ */
.main-content.container {
  padding-left: 12px !important;
  padding-right: 12px !important;
  max-width: 1600px !important;
  display: grid;
  grid-template-columns: var(--sc-sidebar-w) 1fr var(--sc-right-w);
  gap: var(--sc-gap);
  padding-top: 32px;
  padding-bottom: 56px;
  align-items: start;
}

/* ============================================================
   LEFT SIDEBAR — 字体整体加大
   ============================================================ */
.sidebar {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.sidebar-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.02em;
}

.sidebar-menu {
  padding: 8px 0;
}

.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  font-size: 15px;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
}

.sidebar-menu li a:hover {
  background: var(--color-primary-bg2);
  color: var(--color-primary);
}

.sidebar-menu li.active a {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 600;
  border-left: 3px solid var(--color-primary);
}

/* 侧边栏图标占位 */
.icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
}

.sidebar-menu li.active .icon {
  background: var(--color-primary);
}

/* 侧边栏卡片 */
.sidebar-card {
  margin: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
}

.sidebar-card-img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  background: #d0ddd4;
}

.sidebar-card-text {
  font-size: 13px;
  color: var(--color-text-mid);
  line-height: 1.7;
  padding: 12px 12px 8px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark, #2a6a2a);
  border-color: var(--color-primary-dark, #2a6a2a);
}

.btn-detail {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 7px 18px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.btn-detail:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-reset {
  height: 36px;
  padding: 0 20px;
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-reset:hover {
  background: var(--color-primary-mid);
  border-color: var(--color-primary-mid);
}

.btn-block {
  display: block;
  width: 100%;
  margin-top: 12px;
}

/* ============================================================
   PRODUCT LIST SECTION
   ============================================================ */
.product-list-section {
  min-width: 0;
  width: 100%;
}

/* 搜索栏 */
.search-bar {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-white);
  margin-bottom: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 92, 58, 0.08);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--color-text);
  background: transparent;
  font-family: inherit;
}

.search-input::placeholder {
  color: var(--color-text-light);
}

.search-btn {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}

.search-btn:hover {
  background: var(--color-primary-mid);
}

.icon-search {
  display: block;
  width: 16px;
  height: 16px;
  border: 2px solid #fff;
  border-radius: 50%;
  position: relative;
}

.icon-search::after {
  content: '';
  position: absolute;
  bottom: -5px;
  right: -5px;
  width: 7px;
  height: 2px;
  background: #fff;
  transform: rotate(45deg);
  transform-origin: left center;
}

/* ============================================================
   FILTER BAR — 完全自定义下拉组件（div 模拟，彻底脱离原生 select 限制）
   HTML 结构：
     <div class="filter-bar">
       <div class="custom-select" data-filter="xxx">
         <div class="custom-select-trigger">
           <span class="custom-select-label">占位文字</span>
           <svg class="custom-select-arrow">…</svg>
         </div>
         <ul class="custom-select-dropdown">
           <li class="custom-select-option is-placeholder" data-value="">占位</li>
           <li class="custom-select-option" data-value="xxx">选项</li>
         </ul>
       </div>
       <button class="btn btn-reset">重置</button>
     </div>
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* 自定义下拉容器 */
.custom-select {
  position: relative;
  min-width: 110px;
  user-select: none;
  -webkit-user-select: none;
}

/* 触发按钮 */
.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.custom-select-trigger:hover {
  border-color: var(--color-primary-mid);
  background: var(--color-primary-bg2);
}

/* 展开状态 */
.custom-select.is-open .custom-select-trigger {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(26, 92, 58, 0.10);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* 已选中非默认值时高亮 */
.custom-select.is-active .custom-select-trigger {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-bg2);
  color: var(--color-primary-dark);
  font-weight: 700;
}

/* 已选中时箭头也变深绿 */
.custom-select.is-active .custom-select-arrow {
  color: var(--color-primary-dark);
}

/* SVG 箭头 */
.custom-select-arrow {
  width: 12px;
  height: 8px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.custom-select.is-open .custom-select-arrow {
  transform: rotate(180deg);
}

/* 下拉列表 */
.custom-select-dropdown {
  display: none;
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  min-width: max-content;
  max-width: 400px;
  background: var(--color-white);
  border: 1.5px solid var(--color-primary);
  border-top: none;
  border-bottom-left-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.10);
  z-index: 200;
  list-style: none;
  padding: 4px 0;
  margin: 0;
  overflow: hidden;
}

.custom-select.is-open .custom-select-dropdown {
  display: block;
  animation: dropdownFadeIn 0.15s ease;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 下拉选项 */
.custom-select-option {
  padding: 9px 14px;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  word-break: break-word;
}

.custom-select-option:hover {
  background: var(--color-primary-bg2);
  color: var(--color-primary);
}

.custom-select-option.is-selected {
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  font-weight: 700;
}

/* 选中项左侧绿色标识线 */
.custom-select-option.is-selected::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-primary-dark);
  border-radius: 2px;
  margin-right: 8px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* 占位选项（第一项）样式 */
.custom-select-option.is-placeholder {
  color: var(--color-text-light);
  font-weight: 400;
}

.custom-select-option.is-placeholder:hover {
  background: var(--color-primary-bg2);
  color: var(--color-text-mid);
}

/* 产品数量 */
.product-count {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.product-count strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-card {
  display: flex;
  align-items: stretch;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* 产品图片 */
.product-card-img {
  width: var(--sc-card-img-w);
  min-height: var(--sc-card-img-h);
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, var(--color-primary-bg2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: var(--sc-card-img-h);
  transition: transform 0.35s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.04);
}

/* 产品信息 */
.product-card-info {
  flex: 1;
  padding: 18px 20px;
  min-width: 0;
}

.product-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.product-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.badge-recommend {
  background: var(--color-primary);
  color: #fff;
}

.product-inci {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 7px;
  font-style: italic;
}

.product-desc {
  font-size: 13px;
  color: var(--color-text-mid);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 12px;
  color: var(--color-text-light);
}

.product-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-card-action {
  display: flex;
  align-items: center;
  padding: 0 24px;
  flex-shrink: 0;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text);
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg2);
}

.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-btn:disabled {
  opacity: .4;
  cursor: default;
}

.page-ellipsis {
  color: var(--color-text-light);
  padding: 0 4px;
}

.page-total {
  font-size: 12px;
  color: var(--color-text-light);
  margin-left: 8px;
}

/* ============================================================
   RIGHT SIDEBAR
   ============================================================ */
.right-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.right-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.right-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.right-card-desc {
  font-size: 13px;
  color: var(--color-text-mid);
  line-height: 1.7;
  margin-bottom: 14px;
  margin-top: 10px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.icon-phone,
.icon-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  flex-shrink: 0;
  font-size: 14px;
  color: var(--color-primary);
}

.icon-phone::before { content: '📞'; font-size: 13px; }
.icon-email::before { content: '✉'; font-size: 13px; }

.contact-phone {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
}

.contact-email {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}

.contact-time {
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 2px;
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 4px;
}

.solution-item {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.solution-item:hover {
  opacity: 0.85;
}

.solution-img {
  width: 100px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-primary-bg);
  flex-shrink: 0;
}

.solution-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 5px;
  word-break: break-word;
  line-height: 1.4;
}

.solution-desc {
  font-size: 12px;
  color: var(--color-text-light);
  word-break: break-word;
  line-height: 1.4;
}

.download-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 4px;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-pdf {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #fde8e8;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #c0392b;
  flex-shrink: 0;
}

.icon-pdf::before { content: 'PDF'; font-size: 9px; }

.download-name {
  display: block;
  font-size: 13px;
  color: var(--color-text);
  transition: color var(--transition);
}

.download-name:hover { color: var(--color-primary); }

.download-size {
  font-size: 11px;
  color: var(--color-text-light);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1400px) {
  .main-content.container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}

@media (max-width: 1200px) {
  :root {
    --sc-sidebar-w:  180px;
    --sc-right-w:    220px;
    --sc-gap:        18px;
    --sc-card-img-w: 140px;
    --sc-card-img-h: 140px;
  }

  .main-content.container {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
}

@media (max-width: 960px) {
  .main-content.container {
    grid-template-columns: var(--sc-sidebar-w) 1fr;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .right-sidebar {
    display: none;
  }
}

@media (max-width: 720px) {
  .main-content.container {
    grid-template-columns: 1fr;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .sidebar {
    display: none;
  }

  .filter-bar {
    padding: 10px 12px;
    gap: 8px;
  }

  .filter-select-wrap {
    min-width: 90px;
  }

  .filter-select {
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  :root {
    --sc-card-img-w: 100%;
    --sc-card-img-h: 180px;
  }

  .product-card {
    flex-direction: column;
  }

  .product-card-img {
    width: 100%;
    height: var(--sc-card-img-h);
  }

  .product-card-action {
    padding: 12px 16px;
    justify-content: flex-end;
  }

  .filter-bar {
    gap: 6px;
  }

  .filter-select-wrap {
    min-width: 80px;
  }
}


/* ============================================================
   CORE INGREDIENTS — 移动端布局修正（PC 端不受影响）
   目标：保留原 PC 结构，仅在手机端把图片与对应文字卡片配成“左图右文字”。
   ============================================================ */
@media (max-width: 768px) {
  .core-ingredients .ingredients-layout {
    display: block;
  }

  .core-ingredients .ingredients-tabs {
    display: flex;
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    margin-bottom: 18px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .core-ingredients .ing-tab {
    flex: 0 0 auto;
    width: auto;
    min-width: 108px;
    height: 36px;
    padding: 0 14px;
    border-radius: 8px;
    white-space: nowrap;
    font-size: 13px;
  }

  .core-ingredients .ingredients-content {
    display: grid;
    grid-template-columns: 44% 56%;
    gap: 12px 0;
    width: 100%;
    margin-top: 18px;
  }

  .core-ingredients .ing-images-row,
  .core-ingredients .ing-cards-row {
    display: contents !important;
  }

  .core-ingredients .ing-img-item {
    grid-column: 1;
    width: 100% !important;
    height: 132px !important;
    margin: 0 !important;
    overflow: hidden;
    border-radius: 14px 0 0 14px;
    background: #eef5f0;
  }

  .core-ingredients .ing-img-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .core-ingredients .ing-card {
    grid-column: 2;
    min-height: 132px;
    margin: 0 !important;
    padding: 14px 14px 14px 16px !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    background: #fff;
    border: 1px solid rgba(26, 92, 58, 0.12);
    border-left: 0;
    border-radius: 0 14px 14px 0;
    box-shadow: 0 8px 24px rgba(16, 63, 42, 0.08);
  }

  .core-ingredients .ing-images-row .ing-img-item:nth-child(1),
  .core-ingredients .ing-cards-row .ing-card:nth-child(1) { grid-row: 1; }

  .core-ingredients .ing-images-row .ing-img-item:nth-child(2),
  .core-ingredients .ing-cards-row .ing-card:nth-child(2) { grid-row: 2; }

  .core-ingredients .ing-images-row .ing-img-item:nth-child(3),
  .core-ingredients .ing-cards-row .ing-card:nth-child(3) { grid-row: 3; }

  .core-ingredients .ing-images-row .ing-img-item:nth-child(4),
  .core-ingredients .ing-cards-row .ing-card:nth-child(4) { grid-row: 4; }

  .core-ingredients .ing-images-row .ing-img-item:nth-child(5),
  .core-ingredients .ing-cards-row .ing-card:nth-child(5) { grid-row: 5; }

  .core-ingredients .ing-card h4 {
    margin: 0 0 6px;
    font-size: 16px;
    line-height: 1.25;
    color: #1f2d25;
    font-weight: 800;
  }

  .core-ingredients .ing-subtitle {
    margin: 0 0 8px;
    font-size: 12px;
    line-height: 1.35;
    color: #6d7772;
    font-weight: 600;
  }

  .core-ingredients .ing-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .core-ingredients .ing-card li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin-top: 5px;
    font-size: 11px;
    line-height: 1.35;
    color: #46534c;
  }

  .core-ingredients .ing-card li i {
    flex: 0 0 auto;
    margin-top: 1px;
    color: #34865f;
    font-size: 11px;
  }

  .core-ingredients .ing-more-link {
    grid-column: 1 / -1;
    margin-top: 10px;
    text-align: center;
  }
}