/* 全局样式 */
:root {
    --primary-color: #003d7a;  /* 更换为稍浅的蓝色 */
    --secondary-color: #64b5f6;
    --text-color: #333;
    --background-color: #fff;
    --section-padding: 4rem 2rem;
    --product1-1-color: #e8eaf6;  /* 靛蓝色调 */
    --product1-2-color: #e8f5e8;  /* 更浅的绿色调 */
    --product2-color: #cce5ff;  /* 更深的天蓝色 */
    --product3-color: #dde4eb;  /* 更深的石青灰色 */
    --bg-dark: #0a0a0a;        /* 更深的背景 */
    --bg-darker: #050505;      /* 近乎黑色 */
    --bg-light: #111111;       /* 深灰色 */
    --text-primary: #ffffff;    /* 纯白色 */
    --text-secondary: #999999;  /* 浅灰色 */
    --accent-color: #00a8ff;   /* 强调色 */
    --nav-height-desktop: 60px;
    --nav-height-mobile: 50px;
}

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 导航栏样式 */
header {
    background-color: var(--background-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    margin: 0;
    padding: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    padding: 0 5% 0 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-family: "思源黑体", "Source Han Sans CN", sans-serif;
    font-size: 2.0rem;
    font-weight: 600;
    color: #fff;
    background: #2b5aa9;
    display: inline-block;
    padding: 5px 30px;
}

.nav-links {
    display: flex;
    gap: 3rem;  /* 增加导航项间距 */
}

.nav-links a {
    text-decoration: none;
    color: #333;
    line-height: 50px;
    display: inline-block;
    font-weight: 600; /* 添加字体粗细 */
    font-size: 1.1rem;
    transition: color 0.3s ease;
    padding: 0.3rem 0;  /* 减小导航链接的内边距 */
    position: relative;
}

/* 导航项悬停效果 */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* 主要内容样式 */
main {
    margin-top: 60px;  /* 这个值应该等于导航栏的高度 */
    padding: 0;
}

/* 如果需要更精确的调整，可以设置为: */
main {
    margin-top: calc(3rem + 2px);  /* 导航栏高度(内边距+边框) */
}

.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: flex-start;  /* 改为顶部对齐 */
    padding-top: 25vh;  /* 从顶部开始留25%的空间 */
    background-image: url('images/HrMJAIc8.jpg');  /* 替换为您的背景图片 */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 添加暗色遮罩，让文字更清晰 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);  /* 半透明黑色遮罩 */
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    color: #fff;  /* 文字改为白色 */
    text-align: center;
}

.hero-content h1 {
    letter-spacing: 0.3em;  /* 增加字间距 */
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);  /* 稍微加深文字阴影 */
    color: #fff;  /* 保持白色，因为在深色背景图上 */
}

.hero-content p {
    font-size: 1.5rem;
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
}

/* 产品部分样式 */
.products {
    padding: var(--section-padding);
    background-color: #f5f5f5;
}

.products h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* 产品卡片网格布局 */
.product-grid {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;  /* PC端缩短间距 */
}

/* 产品卡片样式 */
.product-card {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 450px;
    background: #fff;
    padding: 0;
    border: none;
    box-shadow: none;
    border-radius: 0;
    cursor: pointer;
}

/* 次要产品卡片容器 */
.product-cards-secondary {
    display: flex;
    gap: 40px;  /* PC端缩短间距 */
    width: 100%;
    max-width: 1200px;
    margin-top: 80px;  /* PC端缩短顶部间距 */
}

.product-cards-secondary .product-card {
    width: calc((100% - 40px) / 2);  /* 调整宽度计算以匹配新的间距 */
    height: 500px !important;  /* 使用!important确保高度一致 */
    display: flex;
    flex-direction: column;
}

.product-cards-secondary .product-card img {
    height: 380px !important;  /* 使用!important确保图片高度一致 */
    object-fit: contain;
    padding: 15px;
    background: #fff;
    flex-shrink: 0;  /* 防止图片被压缩 */
}

.product-cards-secondary .product-card-bg-1-1 {
    background: var(--product1-1-color);
}

.product-cards-secondary .product-card-bg-1-2 {
    background: var(--product1-2-color);
}

.product-cards-secondary .product-card-bg-2 {
    background: var(--product2-color);
}

.product-cards-secondary .product-card-bg-3 {
    background: var(--product3-color);
}

.product-cards-secondary .product-card h3 {
    font-size: 1.5rem;
    padding: 1.5rem 1.5rem 0.8rem;
    text-align: center;
    background: inherit;
    flex-shrink: 0;  /* 防止标题被压缩 */
}

.product-cards-secondary .product-card p {
    font-size: 1.1rem;
    padding: 0 1.5rem 1.5rem;
    text-align: center;
    background: inherit;
    flex-shrink: 0;  /* 防止描述文字被压缩 */
    margin-top: auto;  /* 将描述文字推到底部 */
}

/* 特色产品卡片样式 */
.product-card.featured {
    height: 500px;
}

.product-card.featured img {
    height: 380px;
    object-fit: contain;
    padding: 15px;
    background: #fff;
}

.product-card.featured h3 {
    font-size: 1.5rem;
    padding: 1.5rem 1.5rem 0.8rem;
    text-align: center;
}

.product-card.featured p {
    font-size: 1.1rem;
    padding: 0 1.5rem 1.5rem;
    text-align: center;
}

/* PC端突出显示的产品卡片 */
@media screen and (min-width: 769px) {
    .product-card.featured {
        height: 700px;
        background: var(--product1-color);
    }

    .product-card.featured img {
        height: 600px;
        object-fit: contain;
        padding: 20px;
    }

    .product-card.featured h3 {
        font-size: 1.5rem;
        padding: 1.5rem 1.5rem 0.8rem;
        text-align: center;
    }

    .product-card.featured p {
        font-size: 1.1rem;
        padding: 0 1.5rem 1.5rem;
        text-align: center;
    }
}

/* 移动端样式 */
@media screen and (max-width: 768px) {
    .product-grid {
        gap: 3rem;  /* 移动端扩大间距 */
    }
    
    .product-cards-secondary {
        flex-direction: column;
        gap: 3rem;  /* 移动端扩大间距 */
        margin-top: 2rem;  /* 移动端增加顶部间距 */
        width: 100%;  /* 确保宽度一致 */
    }
    
    .product-cards-secondary .product-card {
        width: 100%;
        height: 350px !important;
        max-width: none;
    }
    
    .product-cards-secondary .product-card img {
        height: 250px !important;
        padding: 1rem;
        background: #fff !important;
    }
    
    .product-card h3,
    .product-card.featured h3,
    .product-cards-secondary .product-card h3 {
        font-size: 1.1rem;
        padding: 1.5rem 1rem 0.5rem 1.5rem;
    }
    
    .product-card p,
    .product-card.featured p,
    .product-cards-secondary .product-card p {
        font-size: 0.9rem;
        padding: 0.5rem 1.5rem 1.5rem;
    }

    /* 移动端第一个产品样式 */
    .product-card.featured {
        height: 350px !important;
        background: #fff !important;
    }

    .product-card.featured img {
        height: 250px !important;
        padding: 1rem !important;
        background: #fff !important;
    }

    .product-card.featured h3 {
        font-size: 1.1rem !important;
        padding: 1.5rem 1rem 0.5rem 1.5rem !important;
    }

    .product-card.featured p {
        font-size: 0.9rem !important;
        padding: 0.5rem 1.5rem 1.5rem !important;
    }

    .product-slider h2 {
        font-size: 1.4rem !important;
        margin-bottom: 1rem !important;
        line-height: 1.5 !important;
    }
}

/* 小屏幕标题字体缩小 */
@media screen and (max-width: 375px) {
    .product-card .product-card-title {
        font-size: 1rem !important;
    }

    .product-slider .product-slider-title {
        font-size: 1.2rem !important;
    }
}

.product-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    padding: 1.5rem 1.5rem 0.8rem;
    margin: 0;
    text-align: center;
}

.product-card h3::after {
    display: none;  /* 移除标题下方的装饰线 */
}

.product-card p {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
    padding: 0 1.5rem 1.5rem;
    margin: 0;
    text-align: center;
}

/* 产品系列轮播样式 */
.product-slider {
    padding: var(--section-padding);
    background-color: #f5f5f5;
}

.product-slider h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 3rem;
}

.slider {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.slider-container {
    display: flex;
    overflow: hidden;
    height: 400px;
    align-items: center;
    justify-content: center;
}

.slider-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none;
    margin: 0;
    padding: 0;
}

.slider-container img.active {
    display: block;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.slider-nav:hover {
    background: var(--primary-color);
    color: white;
}

.slider-nav.prev {
    left: 20px;
}

.slider-nav.next {
    right: 20px;
}

/* 关于我们部分 */
.about {
    background: linear-gradient(135deg, #fafcff 0%, #f0f6ff 50%, #e6f0ff 100%); /* 更柔和的渐变 */
    padding: 60px 0;
}

.about h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
    position: relative;
}

.about h2::after {
    display: none;  /* 移除装饰横线 */
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

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

.about-text h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #666;
    max-width: 900px;
    margin: 0 auto;
}

.about-features {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.feature-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.feature-text {
    font-size: 1.2rem;
    color: #666;
}

/* 联系我们部分 */
.contact {
    padding: var(--section-padding);
    background-color: #fff;
}

.contact h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    position: relative;
}

.contact h2::after {
    display: none;  /* 移除装饰横线 */
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background-color: #fff;
    border-radius: 0;
    min-width: 300px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.015);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    margin-top: -0.1rem;  /* 改用负margin使图标往上移 */
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.contact-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }

    .contact-info {
        gap: 2rem;
    }
}

@media (max-width: 992px) {
    .logo {
        margin-left: -2rem;
    }

    .logo h1 {
        font-size: 1.3rem;
    }

    .nav-links a {
        margin-left: 1.5rem;
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.3rem;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);  /* 平板两列 */
    }

    .about-features {
        gap: 3rem;
    }

    .feature-number {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0.8rem 5%;  /* 移动端更小的内边距 */
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .nav-links {
        gap: 2rem;
    }
    
    .nav-links a {
        font-size: 1rem;
    }

    .hero {
        padding-top: 20vh;  /* 移动端稍微减少顶部空间 */
    }
    
    .hero-content h1 {
        letter-spacing: 0.2em;  /* 移动端稍微减小字间距 */
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }

    .products h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .product-grid {
        flex-direction: column;
        gap: 2rem;
    }

    .product-card {
        min-height: 350px;
    }

    .product-card h3 {
        font-size: 1.1rem;
        padding: 1.5rem 1rem 0.5rem 1.5rem;
    }

    .product-card p {
        padding: 0.5rem 1.5rem 1.5rem;
        font-size: 0.9rem;
    }

    .about-content {
        gap: 3rem;
        padding: 0 1rem;
    }

    .about-text h3 {
        font-size: 1.8rem;
    }

    .about-text p {
        font-size: 1.1rem;
    }

    .about-features {
        flex-direction: column;
        gap: 2rem;
    }

    .feature-number {
        font-size: 2rem;
    }

    .contact-content {
        padding: 1rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }

    .contact-item {
        width: 100%;
        padding: 1.5rem;
        min-width: auto;
    }

    .contact-icon svg {
        width: 22px;
        height: 22px;
    }

    .contact-text h3 {
        font-size: 1.2rem;
    }

    .contact-text p {
        font-size: 1rem;
    }

    .product-slider {
        padding: 0.2rem 0.1rem 1.5rem 0.1rem;
    }

    .product-slider h2 {
        font-size: 1.4rem !important;
        margin-bottom: 1rem !important;
        line-height: 1.5 !important;
    }

    .slider {
        margin: 0;
        padding: 0;
    }

    .slider-container {
        padding: 0;
        margin: 0;
        height: auto;
        min-height: 0;
    }

    .slider-container img {
        height: auto;
        max-height: none;
        margin: 0;
        padding: 0;
    }

    .slider-nav {
        top: 50%;
        transform: translateY(-50%);
        width: 22px;
        height: 22px;
        font-size: 0.8rem;
    }

    .slide-content {
        padding: 2rem 2.2rem;
    }

    .slide-content h3 {
        font-size: 1.3rem;
        margin-bottom: 1.8rem;
    }

    .slide-content li {
        margin-bottom: 1.2rem;
        font-size: 0.95rem;
    }

    .slide-content li span:first-child {
        width: 80px;
    }

    .slider-dots {
        gap: 1rem;
        margin-top: 2.5rem;
    }
    
    .dot {
        width: 20px;
        height: 2.5px;
    }
    
    .dot.active {
        width: 28px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .products h2,
    .about h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .product-card h3 {
        font-size: 1.3rem;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .feature-number {
        font-size: 1.8rem;
    }

    .feature-text {
        font-size: 1rem;
    }

    .contact-item {
        padding: 1.2rem;
    }

    .contact-icon svg {
        width: 22px;
        height: 22px;
    }

    .contact-text h3 {
        font-size: 1.1rem;
    }

    .contact-text p {
        font-size: 0.9rem;
    }

    .product-slider h2 {
        font-size: 1.8rem;
    }

    .slide-content {
        padding: 1.2rem;
    }

    .slide-content h3 {
        font-size: 1.2rem;
    }

    .slide-content li {
        font-size: 0.9rem;
    }
}

/* 移除之前的自动轮播动画 */
@keyframes slide {
    /* 删除这个动画定义 */
}

/* 确保不会有自动动画 */
.slider-wrapper {
    animation: none;
}

/* 确保hover状态也不会有任何效果 */
.product-card:hover {
    transform: none !important;
    transition: none !important;
    animation: none !important;
    box-shadow: none !important;
}

/* 禁用子元素的所有可能效果 */
.product-card * {
    transform: none !important;
    transition: none !important;
    animation: none !important;
}

/* 响应式布局调整 */
@media screen and (max-width: 768px) {
    nav {
        padding: 0 20px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .logo h1 {
        font-size: 1.8rem;
        padding: 2px 15px;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 50px;
        width: 50px;
        padding: 0;
        cursor: pointer;
        z-index: 1001;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 50px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 15px 20px;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #eee;
        font-size: 16px;
    }
}

/* 默认隐藏汉堡菜单 */
.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.menu-toggle span {
    display: block;
    line-height: 1;
}

@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
        align-items: center; /* 垂直居中 */
        justify-content: center; /* 水平居中 */
        height: 50px; /* 与导航栏等高 */
        padding: 0;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
}

@media screen and (max-width: 768px) {
    .products {
        padding: 2rem 1rem;
    }
    
    .products h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .product-grid {
        gap: 2rem;
    }
    
    .product-cards-secondary {
        flex-direction: column;
        gap: 2rem;
    }
    
    .product-card,
    .product-card.featured,
    .product-cards-secondary .product-card {
        width: 100%;
        height: 350px;
        max-width: none;
    }
    
    .product-card img,
    .product-card.featured img {
        height: 250px;
        padding: 1rem;
    }
    
    .product-card h3,
    .product-card.featured h3 {
        font-size: 1.5rem;
        padding: 1rem;
    }
    
    .product-card p,
    .product-card.featured p {
        font-size: 1rem;
        padding: 0 1rem 1rem;
    }
}

/* 桌面端锚点定位 */
#home, #products, #about, #contact {
    scroll-margin-top: var(--nav-height-desktop);
}

/* 移动端锚点定位调整 */
@media screen and (max-width: 768px) {
    #home, #products, #about, #contact {
        scroll-margin-top: var(--nav-height-mobile); /* 使用移动端导航栏高度 */
    }
    
    nav {
        height: var(--nav-height-mobile);
    }
    
    .nav-links {
        top: var(--nav-height-mobile);
    }
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-nav:hover {
    background: var(--primary-color);
    color: white;
}

.slider-nav.prev {
    left: 20px;
}

.slider-nav.next {
    right: 20px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
}

#modalCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #fff;
    padding: 10px 0;
    font-size: 1.2em;
}

.close-modal {
    position: absolute;
    right: 35px;
    top: 15px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: #bbb;
}

/* 添加动画效果 */
.modal-content, #modalCaption {
    animation: zoom 0.3s ease;
}

@keyframes zoom {
    from {transform: scale(0.1)}
    to {transform: scale(1)}
}

/* 响应式布局调整 */
@media screen and (max-width: 768px) {
    .product-card.featured {
        height: 600px;  /* 移动端保持原来的高度 */
    }
    
    .product-card.featured img {
        height: 450px;  /* 移动端保持原来的图片高度 */
    }
    
    .product-card.featured h3 {
        font-size: 2rem;  /* 移动端保持原来的字体大小 */
    }
    
    .product-card.featured p {
        font-size: 1.3rem;  /* 移动端保持原来的字体大小 */
    }
}