/*
Theme Name: Safety Boots Export Pro v1.0.1
Theme URI: https://example.com
Description: 专业劳保鞋出口 WordPress 主题，支持中英文双语，响应式布局
Version: 1.0.0
Author: Safety Boots Co.
Author URI: https://example.com
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: responsive, custom-logo, custom-header, custom-menu, translation-ready
Text Domain: safety-boots-export
*/

/* ================================
   WhatsApp 浮动按钮
================================ */
.float-btns { position: fixed; right: 24px; bottom: 120px; display: flex; flex-direction: column; gap: 12px; z-index: 9999; }
.whatsapp-btn { width: 56px; height: 56px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37,211,102,0.45); text-decoration: none; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; }
.whatsapp-btn:hover { transform: scale(1.12); box-shadow: 0 6px 24px rgba(37,211,102,0.6); }
.whatsapp-btn i { color: #fff; font-size: 28px; }
.whatsapp-btn .wa-tooltip { position: absolute; right: 68px; background: #25D366; color: #fff; font-size: 13px; padding: 6px 12px; border-radius: 6px; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity 0.2s; }
.whatsapp-btn .wa-tooltip::after { content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left-color: #25D366; border-right: none; }
.whatsapp-btn:hover .wa-tooltip { opacity: 1; }

/* ================================
   回到顶部按钮
================================ */
.back-to-top { width: 56px; height: 56px; background: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(192,57,43,0.4); cursor: pointer; border: none; transition: transform 0.2s, opacity 0.3s; opacity: 1; pointer-events: auto; }
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: scale(1.12); }
.back-to-top i { color: #fff; font-size: 24px; }

/* ================================
   顶部信息条
================================ */
.top-info-bar { background: #1a1a2e; color: rgba(255,255,255,0.85); font-size: 13px; padding: 7px 0; }
.top-info-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-info-bar a { color: rgba(255,255,255,0.85); transition: color 0.2s; }
.top-info-bar a:hover { color: #fff; }
.top-info-bar span { margin: 0 12px; opacity: 0.4; }

/* ================================
   预览导航（仅预览文件使用）
================================ */
.preview-nav {
    position: fixed; top: 0; left: 0; right: 0;
    background: #1a1a2e; color: #fff; padding: 12px 0;
    z-index: 10000; box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.preview-nav .container { display: flex; justify-content: space-between; align-items: center; }
.preview-nav-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.preview-nav-menu { display: flex; gap: 5px; list-style: none; }
.preview-nav-menu a { color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 13px; transition: all 0.2s; }
.preview-nav-menu a:hover, .preview-nav-menu a.active { background: var(--primary-color); }
.preview-nav-lang { display: flex; gap: 8px; }
.preview-nav-lang a { color: #fff; padding: 4px 10px; border: 1px solid rgba(255,255,255,0.4); border-radius: 3px; font-size: 12px; transition: all 0.2s; }
.preview-nav-lang a.active { background: #fff; color: #1a1a2e; border-color: #fff; }
.preview-content { margin-top: 48px; }
.preview-section { display: none; padding: 0; }
.preview-section.active { display: block; }

/* ================================
   全局样式
================================ */
:root {
    --primary-color: #c0392b;
    --secondary-color: #2c3e50;
    --accent-color: #e67e22;
    --text-dark: #1a1a2e;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #dee2e6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
a:hover { color: var(--primary-color); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img { max-width: 100%; height: auto; }

/* ================================
   顶部栏
================================ */
.top-bar {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 0;
    font-size: 13px;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-info { display: flex; gap: 20px; }
.top-info span { display: flex; align-items: center; gap: 5px; }

/* ================================
   主导航
================================ */
.main-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    position: relative;
}
.logo { font-size: 22px; font-weight: 700; color: var(--primary-color); }
.nav-menu { display: flex; list-style: none; gap: 30px; margin-left: 40px; }
.nav-menu li a { font-weight: 500; padding: 10px 0; display: block; }
.nav-menu li a:hover { color: var(--primary-color); }

/* 汉堡菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    padding: 10px;
    box-sizing: border-box;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ================================
   Hero 横幅
================================ */
.hero-section {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, rgba(192,57,43,0.9) 0%, rgba(44,62,80,0.9) 100%);
    background-image: url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}
/* 无背景图时：::before 伪元素提供渐变背景 */
.hero-section::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(192,57,43,0.85) 0%, rgba(44,62,80,0.85) 100%);
}
/* 有背景图时的半透明遮罩（透明度降低，让图片清晰可见） */
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(192,57,43,0.4) 0%, rgba(44,62,80,0.4) 100%);
}
/* 有背景图时隐藏 ::before，只用 .hero-overlay */
.hero-section.has-bg::before {
    display: none;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; padding: 0 20px; }
.hero-content h1 { font-size: 52px; font-weight: 700; margin-bottom: 20px; }
.hero-content p { font-size: 20px; margin-bottom: 30px; opacity: 0.9; }
.hero-btn {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(230,126,34,0.4); color: var(--white); }

/* ================================
   页面标题栏
================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-size: cover;
    background-position: center;
    padding: 80px 0 40px;
    text-align: center;
    color: var(--white);
    position: relative;
}
.page-header::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(192,57,43,0.85) 0%, rgba(44,62,80,0.85) 100%);
    z-index: 0;
}
.page-header > .container {
    position: relative;
    z-index: 1;
}
.page-header h1 { font-size: 42px; margin-bottom: 15px; }
.breadcrumb { display: flex; justify-content: center; gap: 10px; align-items: center; font-size: 14px; }
.breadcrumb a { color: var(--white); }
.breadcrumb span { color: var(--accent-color); }

/* ================================
   通用按钮
================================ */
.btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-primary:hover { background: #a93226; transform: translateY(-2px); box-shadow: 0 5px 20px rgba(192,57,43,0.4); color: var(--white); }
.btn-large { padding: 15px 40px; font-size: 16px; }

/* ================================
   Section 标题
================================ */
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 36px; color: var(--primary-color); margin-bottom: 15px; }
.section-title p { color: var(--text-light); font-size: 18px; }

/* ================================
   产品卡片
================================ */
.products-section { padding: 80px 0; background: var(--bg-light); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; }
.product-card { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.08); transition: all 0.3s; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 15px 40px rgba(0,0,0,0.15); }
.product-image { height: 220px; overflow: hidden; position: relative; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 60px;
}
.product-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s;
}
.product-card:hover .product-overlay { opacity: 1; }
.btn-view {
    background: var(--accent-color); color: var(--white);
    padding: 10px 25px; border-radius: 5px;
    font-weight: 600; font-size: 14px;
}
.product-info { padding: 25px; }
.product-info h3 { font-size: 20px; margin-bottom: 8px; }
.product-info p { color: var(--text-light); margin-bottom: 15px; font-size: 14px; }
.product-link { color: var(--primary-color); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 5px; }

/* ================================
   关于我们
================================ */
.about-section { padding: 80px 0; }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { height: 400px; border-radius: 10px; overflow: hidden; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #c0392b 0%, #e67e22 100%);
    color: var(--white); font-size: 80px;
}
.about-text h2 { font-size: 36px; color: var(--primary-color); margin-bottom: 20px; }
.about-text p { color: var(--text-light); margin-bottom: 20px; line-height: 1.8; }

/* ================================
   资质证书
================================ */
.certificates-section { padding: 80px 0; background: var(--bg-light); }
.certificates-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
.certificate-card { background: var(--white); padding: 30px; border-radius: 10px; text-align: center; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.certificate-icon { font-size: 50px; margin-bottom: 15px; color: var(--primary-color); }
.certificate-card h4 { color: var(--primary-color); margin-bottom: 10px; }
.certificate-card p { color: var(--text-light); font-size: 14px; }

/* ================================
   联系 CTA
================================ */
.contact-cta-section { padding: 80px 0; background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); }
.contact-cta { text-align: center; color: var(--white); }
.contact-cta h2 { font-size: 36px; margin-bottom: 15px; }
.contact-cta p { font-size: 18px; margin-bottom: 30px; opacity: 0.9; }

/* ================================
   产品页布局
================================ */
.products-page { padding: 60px 0; }
.products-layout { display: grid; grid-template-columns: 280px 1fr; gap: 40px; }
.products-sidebar { background: var(--white); border-radius: 10px; padding: 25px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); height: fit-content; }
.sidebar-title { font-size: 18px; font-weight: 600; color: var(--primary-color); margin-bottom: 20px; padding-bottom: 15px; border-bottom: 2px solid var(--border-color); }
.category-list { list-style: none; margin-bottom: 30px; }
.category-list li { border-bottom: 1px solid var(--border-color); }
.category-list li:last-child { border-bottom: none; }
.category-list a { padding: 12px 0; display: block; color: var(--text-dark); }
.category-list li.active a, .category-list a:hover { color: var(--primary-color); padding-left: 10px; }
.products-main { background: var(--white); border-radius: 10px; padding: 25px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }

/* ================================
   产品详情
================================ */
.product-detail-section { padding: 60px 0; }
.product-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.main-image { height: 450px; border-radius: 10px; overflow: hidden; margin-bottom: 20px; }
.main-image img { width: 100%; height: 100%; object-fit: cover; }
.main-image .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 80px; color: var(--white);
}
.product-info-detail h1 { font-size: 32px; color: var(--primary-color); margin-bottom: 10px; }
.product-price { background: var(--bg-light); padding: 20px; border-radius: 8px; margin-bottom: 25px; }
.price-value { font-size: 24px; color: var(--accent-color); font-weight: 700; }
.specs-table { width: 100%; border-collapse: collapse; margin-bottom: 25px; }
.specs-table tr { border-bottom: 1px solid var(--border-color); }
.specs-table td { padding: 12px 0; }
.specs-table td:first-child { font-weight: 600; width: 150px; }
.product-actions { display: flex; gap: 15px; margin-bottom: 30px; }
.btn-secondary { display: inline-block; background: var(--white); color: var(--primary-color); padding: 12px 30px; border-radius: 5px; font-weight: 600; border: 2px solid var(--primary-color); }
.btn-secondary:hover { background: var(--primary-color); color: var(--white); }

/* ================================
   联系页
================================ */
.contact-page-section { padding: 60px 0; }
.contact-page-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-items { display: flex; flex-direction: column; gap: 25px; }
.contact-item { display: flex; gap: 20px; }
.contact-icon { width: 50px; height: 50px; background: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 18px; flex-shrink: 0; }
.contact-form { background: var(--bg-light); padding: 30px; border-radius: 10px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 5px; font-size: 15px; }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ================================
   FAQ
================================ */
.faq-section { padding: 60px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: 10px; margin-bottom: 15px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.faq-question { padding: 20px 25px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq-question h4 { font-size: 16px; }
.faq-answer { padding: 0 25px; max-height: 0; overflow: hidden; transition: all 0.3s; }
.faq-item.active .faq-answer { padding: 0 25px 20px; max-height: 500px; }
.faq-answer p { color: var(--text-light); line-height: 1.8; }

/* ================================
   企业优势
================================ */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.feature-card { background: var(--white); padding: 30px; border-radius: 10px; text-align: center; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.feature-icon { font-size: 50px; color: var(--primary-color); margin-bottom: 15px; }
.feature-card h3 { color: var(--primary-color); margin-bottom: 10px; }
.feature-card p { color: var(--text-light); font-size: 14px; }

/* ================================
   新闻列表
================================ */
.news-section { padding: 60px 0; }
.news-section .products-layout { align-items: flex-start; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }
.news-card { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.news-image { height: 220px; overflow: hidden; position: relative; }
.news-image img { width: 100%; height: 100%; object-fit: cover; }
.news-image .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 60px; color: var(--white);
}
.news-category { position: absolute; top: 15px; left: 15px; background: rgba(0,0,0,0.7); color: var(--white); padding: 5px 12px; border-radius: 20px; font-size: 12px; }
.news-content { padding: 25px; }
.news-meta { display: flex; gap: 10px; margin-bottom: 15px; font-size: 14px; color: var(--text-light); }
.news-title { font-size: 20px; margin-bottom: 15px; }
.news-title a:hover { color: var(--primary-color); }
.news-excerpt { color: var(--text-light); line-height: 1.8; margin-bottom: 15px; font-size: 14px; }
.read-more { color: var(--primary-color); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 5px; }

/* ================================
   分页
================================ */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.pagination a { width: 40px; height: 40px; border: 1px solid var(--border-color); border-radius: 5px; display: flex; align-items: center; justify-content: center; color: var(--text-dark); font-size: 14px; }
.pagination a.active { background: var(--primary-color); color: var(--white); border-color: var(--primary-color); }

/* ================================
   页脚
================================ */
.site-footer { background: var(--secondary-color); color: var(--white); padding: 60px 0 30px; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-section h4 { font-size: 18px; margin-bottom: 20px; }
.footer-section p, .footer-section a { color: #a0aec0; line-height: 2; display: block; }
.footer-section a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid #4a5568; padding-top: 30px; text-align: center; color: #a0aec0; }
.social-links { display: flex; gap: 15px; margin-top: 15px; }
.social-links a { width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); transition: background 0.3s; }
.social-links a:hover { background: var(--primary-color); }

/* ================================
   语言切换
================================ */
.lang-switch { display: flex; gap: 8px; }
.lang-switch a { padding: 5px 12px; border: 1px solid var(--border-color); border-radius: 3px; font-size: 13px; color: var(--text-dark); transition: all 0.2s; }
.lang-switch a.active { background: var(--primary-color); color: var(--white); border-color: var(--primary-color); }
.main-header .lang-switch { border-left: 1px solid var(--border-color); padding-left: 20px; margin-left: 10px; }

/* 手机端：三条杠 + 语言切换控制区（PC端隐藏） */
.mobile-header-controls { display: none; align-items: center; gap: 8px; }
.mobile-lang-switch { display: flex; gap: 6px; }
.mobile-lang-switch a { padding: 4px 10px; border: 1px solid var(--border-color); border-radius: 3px; font-size: 12px; color: var(--text-dark); text-decoration: none; transition: all 0.2s; }
.mobile-lang-switch a.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

/* ================================
   工具类
================================ */
.text-center { text-align: center; }
.mt-5 { margin-top: 40px; }
.bg-light { background: var(--bg-light); }

/* ================================
   响应式工具类
================================ */
.desktop-only { }
.mobile-only { display: none !important; }
.mobile-category-select {
    display: none;
    margin-bottom: 20px;
}
.mobile-category-select select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-dark);
    background: var(--white);
    -webkit-appearance: menulist;
    -moz-appearance: menulist;
    appearance: menulist;
    cursor: pointer;
    position: relative;
    z-index: 100;
    box-sizing: border-box;
    line-height: 1.4;
    height: auto;
    min-height: 44px;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

/* ================================
   响应式
================================ */
@media (max-width: 992px) {
    .products-layout, .product-detail-layout, .contact-page-layout, .about-content { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 32px; }
    .form-row { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    /* 汉堡菜单显示 */
    .mobile-menu-btn { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    .nav-menu.open { display: flex; }
    .nav-menu li a {
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-color);
        display: block;
    }
    .main-header .lang-switch {
        display: none;
    }
    /* 手机端显示三条杠 + 语言切换 */
    .mobile-header-controls { display: flex; }

    /* 手机端分类下拉显示，侧栏隐藏 */
    .mobile-category-select { display: block; position: relative; z-index: 100; }
    .mobile-category-select select { -webkit-appearance: menulist !important; appearance: menulist !important; }
    .products-sidebar.desktop-only { display: none; }
    .desktop-only { display: none !important; }
    .mobile-only { display: block !important; }

    /* 产品网格 */
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .product-image { height: 160px; }
    /* 手机端产品卡片：去掉透明遮罩的点击拦截 */
    .product-overlay { display: none; }
    /* 手机端整个产品卡片可点击 */
    .product-card { cursor: pointer; }
    .product-info { padding: 15px; }
    .product-info h3 { font-size: 14px; }
    .product-info p { font-size: 13px; }

    /* 产品详情 */
    .product-detail-layout { gap: 30px; }
    .gallery-main { height: 280px; }
    .gallery-thumb { width: 55px; height: 55px; }
    .product-info-detail h1 { font-size: 24px; }
    .specs-table td { padding: 10px 5px; font-size: 14px; }
    .specs-table td:first-child { width: 120px; }
    .product-actions { flex-direction: column; }
    .product-actions a { text-align: center; }

    /* Hero */
    .hero-section { height: 420px; }
    .hero-content h1 { font-size: 28px; }
    .hero-content p { font-size: 16px; }

    /* 页面标题栏 */
    .page-header { padding: 50px 0 30px; }
    .page-header h1 { font-size: 28px; }
    .breadcrumb { font-size: 12px; }

    /* 通用 */
    .section-title { margin-bottom: 30px; }
    .section-title h2 { font-size: 26px; }
    .section-title p { font-size: 15px; }

    /* 关于 */
    .about-section { padding: 50px 0; }
    .about-image { height: 260px; }
    .about-text h2 { font-size: 26px; }

    /* CTA */
    .contact-cta-section { padding: 50px 0; }
    .contact-cta h2 { font-size: 26px; }
    .contact-cta p { font-size: 15px; }

    /* 资质 */
    .certificates-section { padding: 50px 0; }
    .certificates-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }

    /* 联系页 */
    .contact-page-layout { gap: 30px; }
    .contact-form { padding: 20px; }

    /* 新闻 */
    .news-section { padding: 50px 0; }
    .news-grid { grid-template-columns: 1fr; }
    .news-image { height: 200px; }

    /* 页脚 */
    .site-footer { padding: 40px 0 20px; }
    .footer-content { grid-template-columns: 1fr; gap: 30px; }
    .footer-contact-inline { flex-direction: column; align-items: flex-start; gap: 8px; }

    /* 浮动按钮 */
    .float-btns { right: 16px; bottom: 100px; }
    .whatsapp-btn { width: 48px; height: 48px; }
    .whatsapp-btn i { font-size: 24px; }
    .whatsapp-btn .wa-tooltip { display: none; }
    .back-to-top { width: 48px; height: 48px; }
    .back-to-top i { font-size: 22px; }

    /* 产品页 */
    .products-page { padding: 40px 0; }
    .products-main { padding: 15px; }

    /* 产品详情 */
    .product-detail-section { padding: 40px 0; }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .certificates-grid { grid-template-columns: 1fr; }
    .hero-section { height: 350px; }
    .hero-content h1 { font-size: 24px; }
    .hero-content p { font-size: 14px; }
    .hero-btn { padding: 12px 30px; font-size: 14px; }
    .gallery-main { height: 220px; }
    .gallery-thumbs { gap: 6px; }
    .gallery-thumb { width: 48px; height: 48px; }
    .page-header h1 { font-size: 22px; }
    .logo { font-size: 18px; }
    .btn-large { padding: 12px 25px; font-size: 14px; }
}

/* ================================
   产品图片轮播（多图）
================================ */
.product-gallery { width: 100%; }
.gallery-main {
    position: relative;
    width: 100%;
    height: 380px;
    border-radius: 10px;
    overflow: hidden;
    background: #f0f0f0;
}
.gallery-slides { width: 100%; height: 100%; }
.gallery-slide {
    display: none;
    width: 100%;
    height: 100%;
}
.gallery-slide.active { display: block; }
.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.45);
    border: none;
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.2s;
}
.gallery-arrow:hover { background: var(--primary-color); }
.gallery-prev { left: 10px; }
.gallery-next { right: 10px; }
.gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.gallery-thumb {
    width: 70px;
    height: 70px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
    flex-shrink: 0;
}
.gallery-thumb.active { border-color: var(--primary-color); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ================================
   页脚联系信息分层显示
================================ */
.footer-contact-inline {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.8 !important;
    color: #a0aec0 !important;
}
.footer-contact-inline .contact-line {
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-contact-inline i {
    color: var(--primary-color);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}
.footer-contact-inline a {
    color: #a0aec0 !important;
    display: inline !important;
}
.footer-contact-inline a:hover {
    color: var(--white) !important;
}
.footer-contact-inline .separator {
    display: none;
}

/* 响应式样式见上方完整断点 */