/**
 * Global Category Page Styles
 * 命名空间: .etb-cat-page.etb-cat-global
 * Version: 1.0
 * 
 * Based on TRAY CANOPY template, simplified for general categories
 * Design System: 浅色高级风格 + 红黑白配色
 * Font: Lato
 * Performance: LCP < 2.5s, CLS < 0.1
 */

/* ============================================
   CSS Variables - Light Premium Design
   ============================================ */
:root {
    /* 背景层级 */
    --etb-bg-body: #f5f7fa;
    --etb-bg-primary: #ffffff;
    --etb-bg-secondary: #fafbfc;
    --etb-bg-card: #ffffff;
    --etb-bg-hover: #f8f9fa;
    
    /* 品牌色 */
    --etb-accent-red: #e63946;
    --etb-accent-red-hover: #ff4d5a;
    --etb-accent-red-light: rgba(230, 57, 70, 0.1);
    
    /* 文字 */
    --etb-text-primary: #1a1a1a;
    --etb-text-secondary: #4a5568;
    --etb-text-muted: #718096;
    
    /* 边框/阴影 */
    --etb-border-light: #e2e8f0;
    --etb-border-medium: #cbd5e0;
    --etb-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --etb-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --etb-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --etb-shadow-red: 0 8px 24px rgba(230, 57, 70, 0.2);
    
    /* 字体 */
    --etb-font: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 容器 */
    --etb-container-max: 1600px;
    
    /* 布局 */
    --etb-header-height: 80px;
    
    /* 过渡 */
    --etb-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   0. 全局样式隔离 - 覆盖 Neto 默认样式
   ============================================ */

/* 覆盖 #main-content 的全局样式 */
#main-content:has(.etb-cat-page.etb-cat-global) {
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    background: var(--etb-bg-body) !important;
    margin-bottom: 0 !important;
}

/* 覆盖 .container 的全局样式 */
.container:has(.etb-cat-page.etb-cat-global) {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* 覆盖 .row 的全局样式 */
.row:has(.etb-cat-page.etb-cat-global) {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* ============================================
   1. 页面容器基础
   ============================================ */
.etb-cat-page.etb-cat-global {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    background: var(--etb-bg-body);
    font-family: var(--etb-font);
    color: var(--etb-text-primary);
}

/* 重置 Box Model */
.etb-cat-page.etb-cat-global *,
.etb-cat-page.etb-cat-global *::before,
.etb-cat-page.etb-cat-global *::after {
    box-sizing: border-box;
}

/* 重置 Typography */
.etb-cat-page.etb-cat-global h1,
.etb-cat-page.etb-cat-global h2,
.etb-cat-page.etb-cat-global h3,
.etb-cat-page.etb-cat-global h4,
.etb-cat-page.etb-cat-global h5,
.etb-cat-page.etb-cat-global h6 {
    font-family: var(--etb-font);
    color: var(--etb-text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.3;
}

.etb-cat-page.etb-cat-global p {
    font-family: var(--etb-font);
    color: var(--etb-text-secondary);
    margin: 0;
    line-height: 1.7;
}

.etb-cat-page.etb-cat-global a {
    color: inherit;
    text-decoration: none;
    transition: color var(--etb-transition);
}

/* ============================================
   2. Hero Section
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-hero {
    position: relative;
    z-index: 0; /* 关键：不遮挡 Header dropdown */
    width: 100%;
    aspect-ratio: 24 / 5; /* PC: 1920x400 */
    background: #1a1a1a;
    overflow: hidden;
    margin: 0;
}

.etb-cat-page.etb-cat-global .etb-cat-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
    z-index: 1;
    pointer-events: none;
}

.etb-cat-page.etb-cat-global .etb-cat-hero__picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.etb-cat-page.etb-cat-global .etb-cat-hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.etb-cat-page.etb-cat-global .etb-cat-hero__content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    text-align: left;
    color: #fff;
    z-index: 2;
    width: 100%;
    max-width: 600px;
    padding: 0 40px;
}

.etb-cat-page.etb-cat-global .etb-cat-hero__title {
    font-size: 42px;
    font-weight: 700;
    margin: 0 0 12px 0;
    line-height: 1.2;
    min-height: 51px; /* CLS fix: 锁定高度 = 42px * 1.2 */
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    color: #fff !important;
}

.etb-cat-page.etb-cat-global .etb-cat-hero__subtitle {
    font-size: 18px;
    margin: 0;
    line-height: 1.5;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   3. Breadcrumb - 精致浅色风格
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-breadcrumb-wrapper {
    width: 100%;
    background: linear-gradient(to bottom, #fafbfc 0%, #ffffff 100%);
    border-bottom: 1px solid var(--etb-border-light);
    padding: 12px 0;
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb-wrapper .etb-cat-breadcrumb__inner {
    max-width: var(--etb-container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb {
    margin-bottom: 0;
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb__list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb__list li {
    display: inline-flex;
    align-items: center;
    margin: 0 !important;
    padding: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb__list li:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    color: var(--etb-text-muted);
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb__list a {
    color: var(--etb-text-secondary);
    text-decoration: none;
    transition: color var(--etb-transition);
}

.etb-cat-page.etb-cat-global .etb-cat-breadcrumb__list a:hover {
    color: var(--etb-accent-red);
}

/* ============================================
   4. 两栏布局 - 扩展到 1600px
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-layout {
    display: flex !important;
    gap: 40px !important;
    max-width: var(--etb-container-max) !important;
    margin: 40px auto 0 !important;
    padding: 0 40px !important;
}

.etb-cat-page.etb-cat-global .etb-cat-main {
    flex: 1 !important;
    order: 2 !important;
    min-width: 0 !important;
    width: auto !important;
    float: none !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar {
    width: 300px !important;
    min-width: 300px !important;
    order: 1 !important;
    flex-shrink: 0 !important;
    float: none !important;
    /* 浅色玻璃态效果 */
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow: var(--etb-shadow-md);
    padding: 24px;
    position: sticky;
    top: calc(var(--etb-header-height) + 20px);
    max-height: calc(100vh - var(--etb-header-height) - 100px);
    margin-bottom: 60px;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar::-webkit-scrollbar {
    display: none;
}

/* ============================================
   5. 筛选触发按钮（移动端）
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-filter-trigger {
    display: none;
    width: 100%;
    padding: 16px 24px;
    background: #333333;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 24px;
    font-family: var(--etb-font);
}

/* ============================================
   6. SEO 内容块
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-seo-block {
    margin-bottom: 40px;
    padding: 32px;
    background: var(--etb-bg-secondary);
    border: 1px solid var(--etb-border-light);
    border-radius: 12px;
}

.etb-cat-page.etb-cat-global .etb-cat-seo-block h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--etb-text-primary);
}

.etb-cat-page.etb-cat-global .etb-cat-seo-block h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 20px 0 12px 0;
    color: var(--etb-text-primary);
}

.etb-cat-page.etb-cat-global .etb-cat-seo-block p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--etb-text-secondary);
    margin-bottom: 12px;
}

.etb-cat-page.etb-cat-global .etb-cat-seo-bottom {
    margin-top: 40px;
    padding: 32px;
    background: var(--etb-bg-secondary);
    border: 1px solid var(--etb-border-light);
    border-radius: 12px;
}

.etb-cat-page.etb-cat-global .etb-cat-seo-bottom h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--etb-text-primary);
}

.etb-cat-page.etb-cat-global .etb-cat-seo-bottom h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 20px 0 12px 0;
    color: var(--etb-text-primary);
}

.etb-cat-page.etb-cat-global .etb-cat-seo-bottom p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--etb-text-secondary);
    margin-bottom: 12px;
}

/* ============================================
   7. 工具栏（排序/结果数）
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-toolbar {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 20px !important;
    padding-bottom: 16px !important;
    border-bottom: 1px solid var(--etb-border-light) !important;
    flex-wrap: wrap;
    gap: 12px;
    min-height: 50px; /* CLS fix: 锁定高度防止字体替换导致布局偏移 */
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__count {
    font-size: 14px;
    color: var(--etb-text-secondary);
    font-weight: 500;
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__sort {
    display: flex;
    align-items: center;
    gap: 10px;
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__sort label {
    font-size: 14px;
    color: var(--etb-text-secondary);
    font-weight: 500;
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__sort select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--etb-border-medium);
    border-radius: 6px;
    font-size: 14px;
    background: var(--etb-bg-card);
    color: var(--etb-text-primary);
    font-family: var(--etb-font);
    cursor: pointer;
    transition: all var(--etb-transition);
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__sort select:hover {
    border-color: var(--etb-accent-red);
}

.etb-cat-page.etb-cat-global .etb-cat-toolbar__sort select:focus {
    outline: none;
    border-color: var(--etb-accent-red);
    box-shadow: 0 0 0 3px var(--etb-accent-red-light);
}

/* ============================================
   8. 产品网格 - 3列 + 1:1 正方形缩略图
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
    margin-bottom: 40px !important;
}

/* 覆盖 Bootstrap 的 .wrapper-thumbnail 样式 */
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail {
    width: 100% !important;
    max-width: 100% !important;
    float: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

@keyframes etbFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 覆盖 Bootstrap col-* 类 */
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail.col-xs-8,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail.col-sm-6,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail.col-md-4,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail.col-lg-3 {
    width: 100% !important;
    float: none !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* 产品卡片 */
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail {
    background: var(--etb-bg-card);
    border: 1px solid var(--etb-border-light);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--etb-transition);
    box-shadow: var(--etb-shadow-sm);
    position: relative;
    padding: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail:hover {
    border-color: var(--etb-border-medium);
}

/* 1:1 正方形缩略图 */
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail-image,
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail .product-image {
    aspect-ratio: 1 / 1 !important;
    background: #f8f9fa;
    display: block !important;
    overflow: hidden;
    width: 100% !important;
    margin: 0 !important;
    position: relative;
    border-radius: 12px 12px 0 0;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail-image img,
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail .product-image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    display: block !important;
    line-height: 0 !important;
    transition: transform 0.4s ease;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail-image a,
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail .product-image a {
    display: block !important;
    line-height: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail:hover .thumbnail-image img,
.etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail:hover .product-image img {
    transform: scale(1.08);
}

/* Caption 区域 */
.etb-cat-page.etb-cat-global .etb-cat-grid .caption {
    padding: 16px;
    flex: 1;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    gap: 8px;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .meg-h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
    flex-grow: 1;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .meg-h3 a {
    color: var(--etb-text-primary);
    text-decoration: none;
    transition: color var(--etb-transition);
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .meg-h3 a:hover {
    color: var(--etb-accent-red);
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .price {
    font-size: 20px;
    font-weight: 700;
    color: #333333;
    margin: 0;
}

/* CTA 按钮 */
.etb-cat-page.etb-cat-global .etb-cat-grid .caption .btn,
.etb-cat-page.etb-cat-global .etb-cat-grid .caption a.btn,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail .buying-options a.btn,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail .buying-options .btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100%;
    padding: 12px 24px;
    background: var(--etb-accent-red);
    color: #fff !important;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1 !important;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--etb-transition);
    font-family: var(--etb-font);
    box-shadow: var(--etb-shadow-sm);
    margin-top: auto;
    height: auto !important;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .btn:hover,
.etb-cat-page.etb-cat-global .etb-cat-grid .caption a.btn:hover {
    background: var(--etb-accent-red-hover);
    transform: translateY(-2px);
    box-shadow: var(--etb-shadow-md);
}

/* BACK-ORDER 按钮 - 黑色风格 */
.etb-cat-page.etb-cat-global .etb-cat-grid .caption .btn-default,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail .buying-options .btn-default {
    background: #030303 !important;
    color: #fff !important;
    border: none !important;
}

.etb-cat-page.etb-cat-global .etb-cat-grid .caption .btn-default:hover,
.etb-cat-page.etb-cat-global .etb-cat-grid .wrapper-thumbnail .buying-options .btn-default:hover {
    background: #1a1a1a !important;
}

/* ============================================
   9. Sidebar 样式
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-sidebar__close {
    display: none;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__section {
    margin-bottom: 32px;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__section:last-child {
    margin-bottom: 0;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--etb-accent-red);
    color: var(--etb-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Subcategories */
.etb-cat-page.etb-cat-global .etb-cat-sidebar__list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__list li {
    margin-bottom: 4px !important;
    padding: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__list a {
    display: block !important;
    padding: 10px 14px !important;
    color: var(--etb-text-secondary) !important;
    text-decoration: none !important;
    border-radius: 8px !important;
    transition: all var(--etb-transition) !important;
    font-size: 14px;
    font-weight: 500;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__list a:hover,
.etb-cat-page.etb-cat-global .etb-cat-sidebar__list a.active {
    background: var(--etb-accent-red-light) !important;
    color: var(--etb-accent-red) !important;
    font-weight: 600;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__sublist {
    list-style: none !important;
    padding-left: 20px !important;
    margin-top: 6px !important;
}

/* Filter Groups */
.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-group {
    background: var(--etb-bg-secondary);
    border: 1px solid var(--etb-border-light);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-group:last-child {
    margin-bottom: 0;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 12px 0;
    color: var(--etb-text-primary);
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-item {
    margin-bottom: 4px !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-item a {
    display: flex !important;
    align-items: center !important;
    padding: 8px 12px !important;
    color: var(--etb-text-secondary) !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    transition: all var(--etb-transition) !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-item a:hover {
    background: var(--etb-bg-hover) !important;
    color: var(--etb-text-primary) !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-item.is-selected a {
    background: var(--etb-accent-red) !important;
    color: #fff !important;
    font-weight: 600 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: #fff;
    color: var(--etb-accent-red);
    border-radius: 50%;
    margin-right: 8px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
}

.etb-cat-page.etb-cat-global .etb-cat-sidebar__filter-item .text-muted {
    margin-left: auto;
    padding-left: 8px;
    color: var(--etb-text-muted);
    font-size: 13px;
}

/* ============================================
   10. 分页
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-pagination {
    margin: 50px 0;
}

.etb-cat-page.etb-cat-global .etb-cat-pagination .pagination {
    display: flex !important;
    justify-content: center !important;
    gap: 8px !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.etb-cat-page.etb-cat-global .etb-cat-pagination .pagination li a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--etb-bg-card);
    border: 1px solid var(--etb-border-light);
    border-radius: 8px;
    color: var(--etb-text-secondary);
    text-decoration: none;
    transition: all var(--etb-transition);
    font-weight: 500;
}

.etb-cat-page.etb-cat-global .etb-cat-pagination .pagination li a:hover {
    border-color: var(--etb-border-medium);
    color: var(--etb-text-primary);
    background: var(--etb-bg-hover);
}

.etb-cat-page.etb-cat-global .etb-cat-pagination .pagination li.active a {
    background: #333333;
    color: #fff;
    border-color: #333333;
}

/* ============================================
   11. 遮罩层
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay {
    display: none;
}

/* ============================================
   13. Empty State
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--etb-text-muted);
    font-size: 16px;
}

/* ============================================
   14. 响应式：移动端（≤768px）
   ============================================ */
@media (max-width: 768px) {
    /* Hero - 移动端比例 750x420 = 25:14 */
    .etb-cat-page.etb-cat-global .etb-cat-hero {
        aspect-ratio: 25 / 14;
    }

    /* Hero 移动端 - 增强遮罩提高标题可读性 */
    .etb-cat-page.etb-cat-global .etb-cat-hero::before {
        background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.5) 0%,
            rgba(0, 0, 0, 0.4) 100%
        ) !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-hero__content {
        padding: 0 20px;
        max-width: 100%;
        text-align: center;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .etb-cat-page.etb-cat-global .etb-cat-hero__title {
        font-size: 28px;
        margin-bottom: 10px;
        min-height: 34px; /* CLS fix: 锁定高度 = 28px * 1.2 */
    }

    .etb-cat-page.etb-cat-global .etb-cat-hero__subtitle {
        font-size: 15px;
    }

    /* Breadcrumb */
    .etb-cat-page.etb-cat-global .etb-cat-breadcrumb-wrapper .etb-cat-breadcrumb__inner {
        padding: 0 20px;
    }

    /* 两栏布局改为单列 */
    .etb-cat-page.etb-cat-global .etb-cat-layout {
        flex-direction: column !important;
        gap: 0 !important;
        padding: 0 20px !important;
        margin-top: 20px !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-main {
        order: 1 !important;
        width: 100% !important;
    }

    /* Sidebar Off-canvas（右侧滑出）*/
    .etb-cat-page.etb-cat-global .etb-cat-sidebar {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
        width: 320px !important;
        min-width: 320px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        max-height: 100vh !important;
        background: var(--etb-bg-card) !important;
        box-shadow: none !important;
        z-index: 1050 !important;
        transform: translateX(100%) !important;
        transition: transform var(--etb-transition) !important;
        overflow-y: auto !important;
        padding: 70px 24px 30px !important;
        order: 2 !important;
        border: none !important;
        border-radius: 0 !important;
        backdrop-filter: none !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-sidebar.is-open {
        transform: translateX(0) !important;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2) !important;
    }

    /* 关闭按钮 */
    .etb-cat-page.etb-cat-global .etb-cat-sidebar__close {
        display: none !important;
    }

    /* 使用遮罩层的伪元素作为关闭按钮 */
    .etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay.is-visible::before {
        content: '×';
        display: flex !important;
        align-items: center;
        justify-content: center;
        position: fixed !important;
        top: 50% !important;
        transform: translateY(-50%);
        left: 20px !important;
        width: 40px !important;
        height: 40px !important;
        background: transparent !important;
        color: #fff !important;
        border: 2px solid rgba(255, 255, 255, 0.6) !important;
        border-radius: 50% !important;
        font-size: 24px !important;
        font-weight: 300;
        line-height: 1 !important;
        cursor: pointer !important;
        z-index: 1051 !important;
        transition: all var(--etb-transition);
    }

    .etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay.is-visible:hover::before {
        background: rgba(255, 255, 255, 0.1) !important;
        border-color: #fff !important;
        transform: translateY(-50%) rotate(90deg);
    }

    /* 筛选触发按钮显示 */
    .etb-cat-page.etb-cat-global .etb-cat-filter-trigger {
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    .etb-cat-page.etb-cat-global .etb-cat-filter-trigger::before {
        content: '☰';
        font-size: 20px;
    }

    /* 遮罩层 */
    .etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        opacity: 0;
        transition: opacity var(--etb-transition);
    }

    .etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay.is-visible {
        display: block;
        opacity: 1;
    }

    /* SEO Block */
    .etb-cat-page.etb-cat-global .etb-cat-seo-block,
    .etb-cat-page.etb-cat-global .etb-cat-seo-bottom {
        padding: 24px;
    }

    /* 产品网格 - 移动端 2 列 */
    .etb-cat-page.etb-cat-global .etb-cat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid .caption {
        padding: 12px;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid .caption .meg-h3 {
        font-size: 14px;
        line-height: 1.3;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid .caption .price {
        font-size: 16px;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid .caption .btn,
    .etb-cat-page.etb-cat-global .etb-cat-grid .caption a.btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    /* 移动端移除所有 hover 效果 */
    .etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail:hover {
        transform: none !important;
        box-shadow: var(--etb-shadow-sm) !important;
        border-color: var(--etb-border-light) !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid .thumbnail:hover .thumbnail-image img {
        transform: none !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-filter-trigger:hover {
        background: #333333 !important;
    }
}

/* ============================================
   15. 响应式：平板（769px - 1199px）
   ============================================ */
@media (min-width: 769px) and (max-width: 1199px) {
    .etb-cat-page.etb-cat-global .etb-cat-hero {
        aspect-ratio: 3 / 1;
    }

    .etb-cat-page.etb-cat-global .etb-cat-layout {
        padding: 0 30px !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-sidebar {
        width: 260px !important;
        min-width: 260px !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
}

/* ============================================
   16. 响应式：大屏（≥1200px）
   ============================================ */
@media (min-width: 1200px) {
    .etb-cat-page.etb-cat-global .etb-cat-layout {
        max-width: var(--etb-container-max) !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-hero__content {
        max-width: 700px;
        padding: 0 60px;
    }

    .etb-cat-page.etb-cat-global .etb-cat-hero__title {
        font-size: 48px;
    }
}

/* ============================================
   17. 无障碍优化
   ============================================ */
.etb-cat-page.etb-cat-global .etb-cat-filter-trigger:focus,
.etb-cat-page.etb-cat-global .etb-cat-sidebar__close:focus {
    outline: 2px solid var(--etb-accent-red);
    outline-offset: 2px;
}

/* ============================================
   17. 打印样式
   ============================================ */
@media print {
    .etb-cat-page.etb-cat-global .etb-cat-hero,
    .etb-cat-page.etb-cat-global .etb-cat-filter-trigger,
    .etb-cat-page.etb-cat-global .etb-cat-sidebar,
    .etb-cat-page.etb-cat-global .etb-cat-sidebar-overlay {
        display: none !important;
    }

    .etb-cat-page.etb-cat-global .etb-cat-main {
        width: 100% !important;
    }
}