@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@300;400;500;600;700&family=Rubik:wght@300;400;500;600;700&display=swap');

/* 全局变量 - 现代化工业风格 (由 UI/UX Pro Max 优化) */
:root {
    --primary-color: #3B82F6; /* 现代活力蓝 */
    --primary-hover: #2563EB;
    --primary-light: #EFF6FF;
    --secondary-color: #1E293B; /* 深邃石板色 */
    --accent-color: #F97316;   /* 活力橙作为 CTA */
    --bg-light: #F8FAFC;       /* 极简灰白背景 */
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1280px;
}

/* 基础重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    transition: var(--transition);
}

body {
    font-family: 'Nunito Sans', "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-light);
    font-size: 16px; /* 提升基础字号以优化阅读 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    position: relative;
    overflow-x: hidden; /* 仅在最外层保留，但需配合子元素优化 */
}

/* 布局工具优化 */
/* 全局自适应处理 */
img {
    max-width: 100%;
    height: auto;
}

table {
    max-width: 100%;
}

iframe, video, canvas {
    max-width: 100%;
}

/* 图标基础样式 (由 UI/UX Pro Max 优化) */
.icon-svg {
    width: 1.2em;
    height: 1.2em;
    vertical-align: middle;
    display: inline-block;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 50px -15px;
}

[class*="col-"] {
    padding: 0 15px;
    width: 100%; /* 移动端默认全宽 */
}

@media (min-width: 992px) {
    .col-2 { width: 16.666%; }
    .col-3 { width: 25%; }
    .col-4 { width: 33.333%; }
    .col-6 { width: 50%; }
    .col-8 { width: 66.666%; }
    .col-9 { width: 75%; }
    .col-10 { width: 83.333%; }
    .col-12 { width: 100%; }
}

/* 顶部栏 */
.top-bar {
    background: var(--secondary-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 10px 0;
    font-size: 13px;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a {
    color: rgba(255, 255, 255, 0.7);
}

.top-bar a:hover {
    color: var(--white);
}

/* 头部 */
.header {
    background: var(--white);
    padding: 25px 0;
    border-bottom: 1px solid var(--border-color);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.logo-tagline {
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
}

.logo-tagline .cn {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.2;
}

.logo-tagline .en {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 2px;
}

.search-form {
    display: flex;
    background: #f8fafc;
    border-radius: 50px;
    padding: 4px 4px 4px 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.search-form:focus-within {
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.search-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 8px 25px;
    border-radius: 40px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
}

/* 导航栏 */
.main-nav {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

.nav-list {
    display: flex;
    justify-content: center;
}

.nav-list li {
    flex: 1;
}

.nav-list a {
    display: block;
    padding: 16px 25px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    color: var(--secondary-color);
    position: relative;
    border-radius: var(--radius-sm);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 25px;
    right: 25px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: scaleX(0);
    opacity: 0;
}

.nav-list a:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

.nav-list a.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.nav-list a.active::after,
.nav-list a:hover::after {
    transform: scaleX(1);
    opacity: 1;
}

/* 移动端搜索框默认隐藏 */
.mobile-search-container {
    display: none;
}

/* 轮播图 */
/* 轮播图区域 (全屏宽度) */
.banner-slider {
    width: 100%;
    height: 650px;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

@media (max-width: 992px) {
    .banner-slider {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .banner-slider {
        height: 400px;
    }
    .slide-title {
        font-size: 28px !important;
    }
    .slide-subtitle {
        font-size: 14px !important;
    }
    .slide-caption {
        background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%) !important;
        justify-content: center;
        text-align: center;
    }
    .slide-actions {
        display: flex;
        gap: 10px;
        justify-content: center;
    }
    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

.slide {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 1s ease-in-out;
    opacity: 0;
}

.slide.active {
    opacity: 1;
    position: relative;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 100px 0 60px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
}

.slide-title {
    font-size: 42px;
    margin: 0;
    font-weight: 800;
    letter-spacing: 1px;
}

.slide-subtitle {
    font-size: 18px;
    margin-top: 10px;
    opacity: 0.8;
    font-weight: 300;
}

.slide-fallback {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: white;
}

.slide-fallback-title {
    font-size: 48px;
    margin: 0;
    color: #fff;
    font-weight: 800;
}

.slide-fallback-subtitle {
    margin-top: 15px;
    font-size: 20px;
    opacity: 0.9;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 91, 172, 0.3);
}

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

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

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

.btn-outline-dark:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 轮播图改进已被合并到上方 */
.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 8s linear;
}

.slide.active .slide-image {
    transform: scale(1.1);
}

.slide-caption {
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7) 0%, transparent 70%);
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0;
}

.slide-title {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.slide-subtitle {
    font-size: 22px;
    margin-bottom: 40px;
    max-width: 600px;
}

.slide-actions .btn {
    margin-right: 15px;
}

/* 核心优势 */
.features-section {
    background: var(--white);
    padding: 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    border-right: 1px solid var(--border-color);
    transition: all 0.25s ease-out; /* 缩短时间并改用更轻快的曲线 */
}

.feature-item:last-child {
    border-right: none;
}

.feature-item:hover {
    background-color: var(--primary-color);
    transform: translateY(-8px); /* 稍微增加上浮高度，反馈更明显 */
}

.feature-item:hover .feature-text h3,
.feature-item:hover .feature-text p {
    color: var(--white);
}

.feature-item:hover .feature-icon img {
    filter: brightness(0) invert(1);
    transform: scale(1.1); /* 增加一点缩放效果 */
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    flex-shrink: 0;
    transition: all 0.25s ease-out;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.25s ease-out;
}

.feature-text h3 {
    font-size: 18px;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.feature-text p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* 通用部分标题 */
.section-tag {
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 14px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-tag::before {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-desc {
    font-size: 18px;
    color: #64748b;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-header-center {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-header-center .section-tag::before {
    display: none;
}

.section-header-center .section-tag::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    margin-top: 5px;
}

/* 首页推荐产品 */
.home-featured-section {
    padding: 100px 0;
    background-color: #f8fafc;
}

.home-featured-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-img {
    height: 250px;
    overflow: hidden;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
    text-align: center;
}

.product-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.product-card:hover .product-title {
    color: var(--primary-color);
}

.product-model {
    font-size: 14px;
    color: var(--text-muted);
    font-family: var(--font-mono, monospace);
    background: #f1f5f9;
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    .home-featured-section .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

/* 首页产品分类网格 */
.home-categories-section {
    padding: 100px 0;
    background: #f8fafc;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card .category-img {
    height: 200px;
    overflow: hidden;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.category-card .category-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.category-card:hover .category-img img {
    transform: scale(1.1);
}

.category-card .category-info {
    padding: 20px;
    text-align: center;
    background: var(--white);
}

.category-card .category-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0;
    transition: color 0.3s ease;
}

.category-card:hover .category-title {
    color: var(--primary-color);
}

@media (max-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }
}

/* 首页关于我们 */
.home-about-section {
    padding: 120px 0;
    background: var(--white);
}

.about-flex {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-image {
    flex: 1;
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    border-top: 5px solid var(--primary-color);
    border-left: 5px solid var(--primary-color);
    z-index: -1;
}

.exp-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.exp-badge .num {
    display: block;
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
}

.exp-badge .txt {
    font-size: 15px;
    font-weight: 600;
}

.about-content {
    flex: 1.2;
}

.about-desc {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .about-image::before {
        display: none;
    }
    
    .exp-badge {
        right: 0;
        bottom: 10px;
        padding: 15px 20px;
    }
    
    .exp-badge .num {
        font-size: 28px;
    }

    .about-flex {
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.stat-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: var(--radius-md);
    border-bottom: 4px solid var(--primary-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 5px;
}

.stat-txt {
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary-color);
}

/* 首页产品分类 - 重新设计为明亮色调横向滚动布局 */
.home-products-section {
    background-color: #fff;
    padding: 100px 0;
    overflow: hidden;
}

.home-category-slider-wrapper {
    position: relative;
    margin: 50px 0;
    padding: 0 60px; /* 为侧边按钮留出空间 */
}

.home-category-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0 40px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
    cursor: grab;
    scroll-behavior: smooth; /* 平滑滚动 */
}

/* 箭头按钮样式 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #edf2f7;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.slider-arrow:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.3);
}

.slider-arrow.prev {
    left: 0;
}

.slider-arrow.next {
    right: 0;
}

.slider-arrow svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info-panel,
    .contact-form-panel {
        padding: 40px 20px;
    }
}

@media (max-width: 768px) {
    .home-category-slider-wrapper {
        padding: 0 20px;
    }
    .slider-arrow {
        display: none; /* 移动端通常不需要箭头，靠手势滑动 */
    }
}

.home-category-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.category-slide-item {
    flex: 0 0 320px;
    scroll-snap-align: start;
}

@media (max-width: 768px) {
    .category-slide-item {
        flex: 0 0 260px; /* 移动端减小宽度 */
    }
}

.category-card-v2 {
    display: block;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid #edf2f7;
    height: 100%;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.cat-card-img {
    height: 220px;
    background: #f8fafc;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cat-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 产品图通常适合 contain */
    padding: 20px;
    transition: transform 0.6s ease;
}

.cat-card-placeholder {
    font-size: 48px;
    color: #cbd5e1;
}

.cat-card-content {
    padding: 25px;
    background: #fff;
}

.cat-card-content h3 {
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

.cat-card-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 20px;
    height: 45px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.view-btn {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    transition: gap 0.3s ease;
}

.view-btn::after {
    content: '→';
    margin-left: 8px;
    transition: margin-left 0.3s ease;
}

/* Hover 效果 */
.category-card-v2:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-color);
}

.category-card-v2:hover .cat-card-img img {
    transform: scale(1.1);
}

.category-card-v2:hover .view-btn::after {
    margin-left: 12px;
}

.slider-nav-hints {
    text-align: center;
    margin-top: 10px;
}

.hint-text {
    font-size: 13px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hint-text::before,
.hint-text::after {
    content: '';
    width: 40px;
    height: 1px;
    background: #e2e8f0;
}

@media (max-width: 768px) {
    .category-slide-item {
        flex: 0 0 280px;
    }
}

/* 首页新闻 */
.home-news-section {
    padding: 120px 0;
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.news-card {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    padding: 30px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.news-card:hover {
    background: var(--bg-light);
    border-color: var(--border-color);
    transform: translateX(10px);
}

.news-date {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px 15px;
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 90px;
    box-shadow: var(--shadow-md);
}

.news-date .day {
    display: block;
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 5px;
}

.news-date .month {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
}

.news-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 700;
}

.news-content h3 a {
    color: var(--secondary-color);
}

.news-content h3 a:hover {
    color: var(--primary-color);
}

.news-content p {
    font-size: 15px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* 动画效果 */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-active.animate-up,
.active .animate-up {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* 侧边栏 */
.sidebar-box {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

@media (max-width: 992px) {
    .sidebar-box {
        margin-bottom: 20px;
    }
    .sidebar-title.mobile-toggle {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
    }
    .sidebar-title.mobile-toggle .toggle-icon {
        display: block;
        width: 10px;
        height: 10px;
        border-right: 2px solid var(--white);
        border-bottom: 2px solid var(--white);
        transform: rotate(45deg);
        transition: var(--transition);
        margin-top: -6px;
    }
    .sidebar-title.mobile-toggle.active .toggle-icon {
        transform: rotate(-135deg);
        margin-top: 4px;
    }
    .sidebar-content {
        display: none;
        border-top: 1px solid var(--border-color);
    }
}

.sidebar-title {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px 25px;
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: 0.5px;
}

.sidebar-title.secondary {
    background: var(--secondary-color);
}

.sidebar-title span.en {
    font-size: 11px;
    opacity: 0.8;
    text-transform: uppercase;
    font-weight: 400;
}

.category-list li {
    position: relative;
    border-bottom: 1px solid #f1f5f9;
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 25px;
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
}

.category-list a:hover,
.category-list a.active {
    background: var(--primary-light);
    color: var(--primary-color);
    padding-left: 30px;
}

.category-list .arrow {
    font-size: 10px;
    opacity: 0.4;
    transition: var(--transition);
}

.category-list a.active .arrow {
    transform: rotate(90deg);
    opacity: 1;
}

.sub-menu {
    display: none;
    list-style: none;
    padding: 8px 0;
    background: #f8fafc;
}

.sub-menu-link {
    display: block;
    padding: 10px 25px 10px 45px;
    color: var(--text-muted);
    font-size: 14px;
    position: relative;
    transition: var(--transition);
    font-weight: 500;
}

.sub-menu-link:hover,
.sub-menu-link.active {
    color: var(--primary-color);
    background: rgba(229, 57, 53, 0.05);
}

.sub-menu-link.active {
    font-weight: 700;
}

.sub-menu-dot {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.5;
}

.sub-menu-link.active .sub-menu-dot {
    opacity: 1;
}

.sidebar-contact-info {
    padding: 30px 25px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.sidebar-contact-name {
    margin-bottom: 20px;
}

.sidebar-contact-name strong {
    color: var(--secondary-color);
    font-size: 17px;
    display: block;
    margin-bottom: 5px;
}

.sidebar-contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.sidebar-contact-item:last-child {
    margin-bottom: 0;
}

.sidebar-contact-icon {
    margin-right: 15px;
    color: var(--primary-color);
    font-size: 16px;
    margin-top: 2px;
}

.sidebar-contact-text {
    color: var(--text-main);
    font-weight: 500;
}

.empty-list {
    padding: 20px 25px;
    color: #999;
    text-align: center;
    font-style: italic;
}

/* 页面通用样式 */
.page-content-title {
    margin-bottom: 30px;
    color: var(--secondary-color);
    font-size: 32px;
    font-weight: 800;
}

.info-grid {
    margin: 40px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-md);
    border-left: 5px solid var(--primary-color);
    height: 100%;
}

.info-card--secondary {
    border-left-color: var(--secondary-color);
}

.info-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-size: 18px;
}

.info-card p {
    margin: 0;
    font-size: 14px;
    color: var(--text-main);
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.check-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
}

.check-list-icon {
    color: var(--primary-color);
    margin-right: 15px;
    font-weight: 800;
    font-size: 18px;
    line-height: 1;
}

.check-list-content strong {
    display: block;
    margin-bottom: 5px;
    color: var(--secondary-color);
    font-size: 16px;
}

.check-list-content p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
}

/* 联系我们 & 关于我们 */
.page-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.page-header {
    background: #f8fafc;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 16px;
    font-weight: 500;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0;
}

.contact-info-panel {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px;
}

.contact-info-panel h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.contact-info-panel h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
}

.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 35px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 20px;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-info-item:hover .contact-info-icon {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.contact-info-text h4 {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-info-text p {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
}

.contact-form-panel {
    padding: 60px;
    background: var(--white);
}

.contact-form-panel h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 10px;
}

.form-control {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: var(--transition);
    background: #f8fafc;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.btn-submit {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 15px 40px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(229, 57, 53, 0.2);
}

.btn-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(229, 57, 53, 0.3);
}

.about-content {
    padding: 60px;
    line-height: 2;
    font-size: 16px;
    color: var(--text-main);
}

.about-section {
    margin-bottom: 60px;
}

.about-section:last-child {
    margin-bottom: 0;
}

.about-section h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.about-section h3::before {
    content: '';
    width: 6px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 3px;
}

.about-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.about-image img {
    width: 100%;
    display: block;
}

/* 响应式适配 */
.mt-60 {
    margin-top: 60px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 28px;
    color: var(--secondary-color);
    font-weight: 800;
    margin: 0;
}

.section-header h2 span {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.more-link {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.more-link:hover {
    color: var(--primary-hover);
}

/* 首页分类网格 */
.home-category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.category-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.category-card a {
    display: block;
    height: 100%;
}

.category-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: var(--transition);
}

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-info {
    padding: 25px 20px;
    text-align: center;
    background: var(--white);
    flex: 1;
}

.category-name {
    font-size: 19px;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0 0 10px 0;
    transition: var(--transition);
}

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

.category-count {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    background: var(--bg-light);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

/* 产品卡片 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-img {
    height: 240px;
    padding: 0;
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: var(--transition);
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-info {
    padding: 25px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-model {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}


/* 新闻模块 */
.news-row {
    margin-bottom: 30px;
}

.news-card {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 25px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    margin-bottom: 25px;
    height: 100%;
    align-items: center;
}

.news-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.news-img {
    width: 160px;
    height: 110px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-img img {
    transform: scale(1.1);
}

.news-info,
.news-content {
    margin-left: 25px;
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.news-title-home,
.news-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card:hover .news-title-home,
.news-card:hover .news-content h3 a {
    color: var(--primary-color);
}

.news-summary {
    font-size: 14px;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
    margin-bottom: 12px;
}

.news-meta-home {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: auto;
    font-weight: 500;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-card-list {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.news-card-list:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.news-card-list .news-img-box {
    width: 320px;
    min-width: 320px;
    height: 240px;
    overflow: hidden;
    background: var(--bg-light);
    border-right: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .news-card-list {
        flex-direction: column;
    }
    .news-card-list .news-img-box {
        width: 100%;
        min-width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .news-card-list .news-content {
        padding: 20px;
    }
    .news-card-list .news-title {
        font-size: 20px;
    }
}

.news-card-list .news-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card-list:hover .news-img-box img {
    transform: scale(1.1);
}

.news-card-list .news-content {
    padding: 35px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-list .news-date-box {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.news-card-list .news-date {
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.news-card-list .news-line {
    height: 1px;
    background: var(--border-color);
    flex: 1;
}

.news-card-list .news-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.news-card-list .news-title a:hover {
    color: var(--primary-color);
}

.news-card-list .news-excerpt {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 25px;
}

.news-card-list .read-more {
    margin-top: auto;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.news-card-list .read-more:hover {
    gap: 12px;
    text-decoration: none;
}

.empty-news {
    padding: 80px 0;
    text-align: center;
    color: var(--text-muted);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.empty-news .icon {
    font-size: 60px;
    margin-bottom: 20px;
    opacity: 0.3;
}

/* 新闻详情 */
.news-detail-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.news-detail-header {
    padding: 60px 60px 40px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: #fcfcfc;
}

@media (max-width: 768px) {
    .news-detail-header {
        padding: 30px 20px 20px;
    }
    .news-detail-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
}

.news-detail-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 25px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.news-detail-meta {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    justify-content: center;
    gap: 40px;
    font-weight: 500;
}

.news-detail-content {
    padding: 60px;
    line-height: 1.8;
    font-size: 16px;
    color: var(--text-main);
}

.news-detail-content p {
    margin-bottom: 25px;
}

.news-detail-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 40px auto;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.news-detail-footer {
    padding: 40px 60px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    background: #fcfcfc;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-main);
    font-weight: 600;
    transition: var(--transition);
}

.btn-back:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
}

/* 页脚 */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 80px 0 0;
    margin-top: 80px;
    position: relative;
}

.footer-top {
    padding-bottom: 60px;
    display: flex;
    justify-content: space-between;
}

.footer-logo {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 25px;
    display: block;
    letter-spacing: -1px;
    transition: var(--transition);
}

.footer-logo:hover {
    color: var(--primary-color);
}

.footer-desc {
    line-height: 1.8;
    margin-bottom: 35px;
    max-width: 380px;
    font-size: 15px;
    color: #94a3b8;
}

@media (max-width: 768px) {
    .footer-desc {
        max-width: 100%;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
}

.footer-heading {
    color: var(--white);
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 35px;
    position: relative;
    padding-bottom: 15px;
    letter-spacing: 0.5px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #94a3b8;
    transition: var(--transition);
    display: inline-block;
    position: relative;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(8px);
}

.footer-contact li {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    font-size: 15px;
    transition: var(--transition);
}

.footer-contact li:hover {
    color: var(--white);
}

.footer-contact .icon {
    margin-right: 15px;
    font-size: 18px;
    color: var(--primary-color);
    opacity: 0.9;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-bottom {
    background: #020617;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #64748b;
    font-size: 13.5px;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom .copyright {
    margin: 0;
    font-weight: 500;
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom a {
    color: #64748b;
    transition: var(--transition);
    font-weight: 500;
}

.footer-bottom a:hover {
    color: var(--white);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 16px; /* 增加间距以优化触摸精度 */
    margin-top: 60px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    padding: 0 15px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--white);
    font-weight: 700;
    transition: var(--transition);
    color: var(--text-main);
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
    transform: translateY(-2px);
}

.pagination .active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* 产品详情 */
.detail-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.breadcrumb {
    background: #f8fafc;
    padding: 18px 40px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .current {
    color: var(--primary-color);
    font-weight: 700;
}

.breadcrumb .separator {
    color: #cbd5e1;
    font-size: 10px;
}

.detail-main {
    padding: 50px 40px;
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 60px;
}

@media (max-width: 992px) {
    .detail-main {
        grid-template-columns: 1fr;
        padding: 30px 20px;
        gap: 30px;
    }
    .detail-gallery {
        min-height: auto;
        padding: 20px;
    }
    .detail-gallery img {
        max-height: 300px;
    }
    .detail-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .detail-meta-box {
        padding: 15px;
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.detail-gallery {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 460px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.detail-gallery:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.detail-gallery img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    transition: var(--transition);
}

.detail-gallery:hover img {
    transform: scale(1.02);
}

.detail-info {
    display: flex;
    flex-direction: column;
}

.detail-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 20px;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 25px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.detail-meta-box {
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.meta-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-value {
    font-size: 16px;
    color: var(--secondary-color);
    font-weight: 700;
}

.meta-value.highlight {
    color: var(--primary-color);
}

.detail-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.btn-download {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-decoration: none;
    color: var(--secondary-color);
}

.btn-download:hover {
    background: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.icon-download {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 8px;
    margin-right: 15px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-download::before {
    content: '';
    width: 12px;
    height: 12px;
    border-left: 3px solid #fff;
    border-bottom: 3px solid #fff;
    transform: rotate(-45deg);
    margin-top: -5px;
}

.icon-download::after {
    content: '';
    width: 3px;
    height: 14px;
    background: #fff;
    position: absolute;
    top: 8px;
}

.btn-text {
    display: flex;
    flex-direction: column;
}

.btn-label {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.btn-subtext {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.btn-inquiry {
    background: var(--secondary-color);
    color: #fff;
    text-align: center;
    padding: 14px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    transition: var(--transition);
}

.btn-inquiry:hover {
    background: #000;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.detail-specs {
    padding: 40px;
    background: #fcfcfc;
    border-top: 1px solid var(--border-color);
}

.specs-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.specs-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.spec-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    background: var(--white);
}

@media (max-width: 576px) {
    .spec-item {
        grid-template-columns: 1fr;
    }
    .spec-label {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 10px 15px;
    }
    .spec-value {
        padding: 10px 15px;
    }
}

.spec-label {
    background: #f8fafc;
    padding: 15px 20px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 14px;
    border-right: 1px solid var(--border-color);
}

.spec-value {
    padding: 15px 20px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
}

.detail-content {
    padding: 40px;
    border-top: 1px solid var(--border-color);
}

.detail-content-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.detail-content-body {
    line-height: 1.8;
    color: var(--text-main);
    font-size: 16px;
}

.detail-content-body p {
    margin-bottom: 20px;
}

.detail-content-body img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 30px auto;
    display: block;
    box-shadow: var(--shadow-md);
}

.empty-detail {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

.empty-detail .icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.3;
}

/* 产品详情选项卡 */
.detail-tabs {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
}

.tab-header {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.tab-item {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border-right: 1px solid var(--border-color);
}

.tab-item:hover {
    color: var(--primary-color);
    background: #fff;
}

.tab-item.active {
    color: var(--primary-color);
    background: #fff;
    margin-bottom: -1px;
    border-bottom: 2px solid var(--primary-color);
}

.tab-body {
    padding: 40px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spec-box-content {
    line-height: 1.8;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.spec-box-content table,
.detail-brief table {
    border: none !important;
    width: 100% !important;
    min-width: 600px; /* 保证表格在小屏幕下不会压缩到无法阅读，而是触发滚动 */
    margin-bottom: 20px !important;
}

@media (min-width: 768px) {
    .spec-box-content table,
    .detail-brief table {
        min-width: 100%;
    }
}

.detail-brief {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.spec-box-content td,
.detail-brief td {
    border-color: #f1f5f9 !important;
    padding: 12px 15px !important;
}

.spec-box-content img,
.detail-brief img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 20px auto;
}

.detail-image-box {
    margin-top: 30px;
    text-align: center;
}

.detail-image-box img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* 通用布局与工具类 */
.main-row {
    margin-top: 30px;
}

.text-center {
    text-align: center;
}

.mb-30 {
    margin-bottom: 30px;
}

.pagination-ellipsis {
    border: none !important;
    background: transparent !important;
    cursor: default !important;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-5px);
}

.back-to-top .arrow {
    font-size: 20px;
    font-weight: 700;
}

/* 全球布局 */
.home-global-section {
    padding: 120px 0;
    background: var(--white);
    overflow: hidden;
}

.global-flex {
    display: flex;
    align-items: center;
    gap: 80px;
}

@media (max-width: 992px) {
    .global-flex {
        flex-direction: column;
        gap: 40px;
    }
    .global-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .global-stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.global-content {
    flex: 1;
}

.global-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.global-stat {
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.global-stat h4 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.global-stat p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

.global-map {
    flex: 1.5;
    position: relative;
}

.map-placeholder {
    position: relative;
    background: #f1f5f9;
    border-radius: var(--radius-lg);
    padding: 40px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder img {
    opacity: 0.3;
}

.map-placeholder::before {
    position: absolute;
    font-size: 40px;
    font-weight: 800;
    color: rgba(0,0,0,0.05);
}

.map-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(0, 91, 172, 0.2);
    animation: pulse 2s infinite;
}

.dot-1 { top: 30%; left: 20%; }
.dot-2 { top: 50%; left: 70%; }
.dot-3 { top: 70%; left: 40%; }

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

/* 合作伙伴 */
.home-partners-section {
    padding: 100px 0;
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.partner-logos {
    overflow: hidden;
    padding: 20px 0;
}

.logo-track {
    display: flex;
    width: max-content;
    animation: scroll 30s linear infinite;
}

.logo-item {
    width: 200px;
    height: 80px;
    margin: 0 30px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    color: var(--text-muted);
    font-weight: 700;
    font-size: 18px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.logo-item:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 快速询价 CTA */
.home-cta-section {
    padding: 80px 0;
    background: var(--white);
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-radius: var(--radius-lg);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--white);
    box-shadow: var(--shadow-xl);
}

.cta-content {
    max-width: 600px;
}

.cta-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: 20px;
}

.btn-white {
    background: var(--white);
    color: var(--primary-color);
}

.btn-white:hover {
    background: #f1f5f9;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-outline-white {
    background: transparent;
    border-color: rgba(255,255,255,0.5);
    color: var(--white);
}

.btn-outline-white:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

/* 分类 Banner */
.category-banner {
    margin-bottom: 30px;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 250px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.category-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .category-banner {
        height: 150px;
        margin-bottom: 20px;
    }
}

.sidebar-title.mobile-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.toggle-icon {
    display: none;
    width: 20px;
    height: 20px;
    position: relative;
}

.toggle-icon::before,
.toggle-icon::after {
    content: '';
    position: absolute;
    background: var(--text-muted);
    transition: var(--transition);
}

.toggle-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    transform: translateY(-50%);
}

.toggle-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.sidebar-title.active .toggle-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

@media (max-width: 992px) {
    .toggle-icon {
        display: block;
    }
    
    .sidebar-content {
        display: none;
        padding-top: 15px;
    }
    
    .sidebar-content.active {
        display: block;
    }
}

/* 移动端辅助信息优化 */
.mobile-extra-info {
    display: none;
    padding: 30px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

@media (max-width: 992px) {
    .mobile-extra-info {
        display: block;
    }
}

.mobile-lang-switch {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.mobile-lang-switch a {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 700;
}

.mobile-lang-switch a.active {
    color: var(--primary-color);
}

.mobile-contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--secondary-color);
    font-weight: 600;
}

.mobile-contact-item .icon {
    width: 32px;
    height: 32px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

body.menu-open {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
}

/* 响应式表格 (由 functions.php 生成) */
.responsive-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    font-size: 14px;
}

.spec-row {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background: #f9fafb;
}

.spec-row:hover {
    background: var(--primary-light);
}

.spec-label {
    padding: 15px 20px;
    width: 160px;
    color: var(--text-muted);
    font-weight: 700;
    background: rgba(0, 0, 0, 0.01);
    border-right: 1px solid var(--border-color);
}

.spec-value {
    padding: 15px 20px;
    color: var(--secondary-color);
    line-height: 1.6;
}

.spec-row-single {
    background: #f1f5f9;
}

.spec-row-single .spec-value {
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
}

@media (max-width: 576px) {
    .spec-table, .spec-table tbody, .spec-table tr, .spec-table td {
        display: block;
        width: 100%;
    }
    
    .spec-row {
        border-bottom: 1px solid var(--border-color);
        padding: 10px 0;
    }
    
    .spec-label {
        background: transparent;
        border-right: none;
        padding: 5px 15px;
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    
    .spec-value {
        padding: 5px 15px 10px;
        font-size: 15px;
    }
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 响应式媒体查询 */
@media (max-width: 1200px) {
    .container {
        width: 100%;
        padding: 0 20px;
    }
    .about-flex {
        gap: 40px;
    }
}

@media (max-width: 992px) {
    .col-3, .col-4, .col-6, .col-8, .col-9 {
        width: 100%;
        margin-bottom: 30px;
    }

    .header-main {
        padding: 0 10px;
    }
    
    .logo-tagline {
        display: none;
    }
    
    .search-box {
        margin: 0 15px;
        flex: 1;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 28px;
        height: 18px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
        position: relative;
    }
    
    .mobile-menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--secondary-color);
        transition: var(--transition);
        border-radius: 2px;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        z-index: 1000;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
        padding-top: 100px;
        display: block !important;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .mobile-search-container {
        display: block;
        padding: 0 10px 20px;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 10px;
    }
    
    .mobile-search-container .search-form {
        background: #f1f5f9;
    }
    
    .mobile-search-container .search-btn {
        padding: 8px 15px;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 20px;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-list a {
        text-align: left;
        padding: 18px 20px; /* 增加点击区域高度至 56px+ */
        width: 100%;
        font-size: 18px; /* 提升移动端导航字体 */
    }
    
    .nav-list a::after {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-flex {
        flex-direction: column;
        gap: 60px;
    }
    
    .home-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .home-category-slider-wrapper {
        padding: 0 15px; /* 移动端减少内边距 */
        margin: 30px 0;
    }

    .slider-arrow {
        display: none; /* 移动端通常靠滑动手势 */
    }

    .home-category-slider {
        gap: 20px;
        padding-bottom: 20px;
    }

    .top-bar {
        display: none;
    }
    
    .header {
        padding: 15px 0;
    }
    
    .logo-text {
        font-size: 24px;
    }
    
    .search-box {
        display: none;
    }
    
    .banner-slider {
        height: 400px;
    }
    
    .slide-title {
        font-size: 28px;
    }
    
    .slide-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .home-category-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    
    .news-date {
        min-width: auto;
        width: 100%;
        padding: 12px;
        display: flex;
        justify-content: center;
        gap: 15px;
        align-items: center;
    }
    
    .news-date .day {
        margin-bottom: 0;
        font-size: 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-desc {
        font-size: 15px;
    }
    
    .footer-top .col-4,
    .footer-top .col-2 {
        width: 100%;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .exp-badge {
        padding: 15px;
        bottom: 15px;
        right: 5px;
        min-width: 100px;
    }
    
    .exp-badge .num {
        font-size: 28px;
    }
    
    .exp-badge .txt {
        font-size: 12px;
    }

    /* 触摸反馈 */
    .btn:active,
    .nav-list a:active,
    .category-card-new:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}

/* 装饰性背景 */
.home-about-section {
    position: relative;
}

.home-about-section::after {
    content: 'ABOUT US';
    position: absolute;
    top: 50px;
    right: 50px;
    font-size: 150px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    pointer-events: none;
    line-height: 1;
    z-index: 0;
}

.home-global-section {
    position: relative;
}

.home-global-section::after {
    content: 'GLOBAL';
    position: absolute;
    bottom: 50px;
    left: 50px;
    font-size: 150px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    pointer-events: none;
    line-height: 1;
    z-index: 0;
}

/* 响应式媒体查询补充 */
@media (max-width: 992px) {
    .style_container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .home-about-section::after,
    .home-global-section::after {
        display: none; /* 移动端隐藏超大装饰文字，防止溢出 */
    }

    .global-flex {
        flex-direction: column;
        gap: 40px;
    }
    
    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 40px 20px;
    }
    
    .cta-content {
        margin-bottom: 30px;
    }
    
    .cta-actions {
        justify-content: center;
    }

    .about-content {
        padding: 40px 20px;
    }
}

@media (max-width: 768px) {
    .home-about-section::after,
    .home-global-section::after {
        display: none;
    }
    
    .global-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-actions .btn {
        width: 100%;
        margin-right: 0;
    }

    .about-content {
        padding: 30px 15px;
        font-size: 15px;
    }

    .home-partners-section,
    .home-cta-section,
    .features-section,
    .home-about-section,
    .home-global-section {
        padding: 50px 0;
    }
}

/* 滚动揭示基础样式 */
.reveal {
    visibility: hidden;
}

.animate-active.reveal {
    visibility: visible;
}

@media (max-width: 768px) {

    .category-grid,
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-card-list {
        flex-direction: column;
    }

    .news-card-list .news-img-box {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .section-title {
        font-size: 24px;
    }

    .banner-slider {
        height: 280px;
    }

    .slide-title {
        font-size: 26px;
    }

    .page-title {
        font-size: 26px;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .top-left {
        display: block;
    }

    .top-bar-inner {
        justify-content: space-between;
    }

    .top-right .contact-item {
        display: none;
    }

    .page-header {
        padding: 40px 20px;
    }

    .about-content,
    .news-detail-content,
    .news-detail-header,
    .news-detail-footer {
        padding: 30px 20px;
    }

    .detail-main {
        padding: 30px 20px;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .detail-gallery {
        min-height: auto;
        padding: 20px;
    }

    .detail-gallery img {
        max-height: 300px;
    }

    .tab-header {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .tab-item {
        padding: 12px 20px;
        font-size: 14px;
        flex: 1;
        text-align: center;
    }

    .tab-body {
        padding: 25px 15px;
    }

    .contact-info-panel,
    .contact-form-panel {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .style_container {
        grid-template-columns: 1fr;
    }

    .category-grid,
    .product-grid,
    .home-category-grid {
        grid-template-columns: 1fr;
    }

    .logo-text {
        font-size: 24px;
    }

    .section-header {
        align-items: center;
        gap: 10px;
    }

    .section-header h2 {
        font-size: 22px;
    }

    .section-header h2 span {
        display: block;
        margin-left: 0;
        margin-top: 5px;
    }

    .category-banner {
        height: 120px !important;
    }

    .news-detail-title {
        font-size: 24px;
    }

    .news-detail-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .slide-title {
        font-size: 24px;
    }

    .slide-subtitle {
        font-size: 14px;
    }

    .banner-slider {
        height: 250px;
    }
}

/* 关于我们服务特色样式 */
.style_container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.third_style_item {
    background: #fff;
    padding: 30px 20px;
    border-radius: 12px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
    text-align: center;
}

.third_style_item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.icon_item_container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.imgContainer {
    margin-bottom: 20px;
}

.imgContainer img {
    max-width: 80px;
    height: auto;
}

.item_title {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.item_desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 992px) {
    .style_container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .style_container {
        grid-template-columns: 1fr;
    }
}

/* 辅助类 */
.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-40 {
    margin-bottom: 40px;
}

.text-center {
    text-align: center;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}