:root {
    --primary-color: #010e25;
    --accent-color: #3498db;
}

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

body {
    font-family: "Microsoft YaHei", sans-serif;
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 40px;
    width: auto;
}

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

.company-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

.phone-number {
    font-size: 24px;
    color: #e53e3e;
    font-weight: bold;
    letter-spacing: 1px;
    /* 添加醒目效果 */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    margin: 0 20px;
    font-weight: 500;
    transition: color 0.3s;
}

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

.login-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

/* 主要横幅样式 */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

/* 添加蒙版效果 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0 20px;
    color: white;
    margin-top: 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.cta-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s;
}

.cta-btn:hover {
    transform: translateY(-3px);
}

/* 移动端导航栏适配 */
@media screen and (max-width: 768px) {
    .navbar {
        padding: 1rem 3%;
    }
    
    .logo img {
        height: 30px;  /* 缩小logo */
    }
    
    .nav-links {
        display: none;  /* 先隐藏原导航链接 */
    }
    
    /* 添加汉堡菜单按钮 */
    .menu-btn {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary-color);
    }

    .phone-number {
        font-size: 20px;
    }
}

/* 移动端横幅内容适配 */
@media screen and (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;  /* 减小标题字号 */
        margin-bottom: 0.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;  /* 减小描述文字字号 */
        margin-bottom: 1.5rem;
    }
    
    .cta-btn {
        padding: 12px 30px;  /* 调整按钮大小 */
        font-size: 1rem;
    }
}

/* 小屏幕适配 */
@media screen and (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content {
        padding: 0 15px;
    }
}

/* 移动端菜单样式 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%; /* 初始位置在屏幕右侧外 */
    width: 80%;    /* 菜单宽度占屏幕80% */
    height: 100vh;
    background: white;
    padding: 60px 20px 20px;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    z-index: 999;
}

.mobile-menu a {
    display: block;
    padding: 15px 0;
    color: #333;
    text-decoration: none;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* 激活状态 */
.mobile-menu.active {
    right: 0; /* 滑入到屏幕内 */
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* 移动端显示菜单按钮 */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
}

/* 遮罩层 */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 遮罩层显示状态 */
.menu-overlay.active {
    display: block;
}

/* 汉堡菜单按钮样式 */
.menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
}

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-btn {
        display: block;
    }
}

/* 通用样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.container p {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

/* 服务项目样式 */
.services {
    padding: 100px 0;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 15px;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 150px;  /* 增大图片宽度 */
    height: auto;
    margin-bottom: 20px;
    border-radius: 10px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.service-card p {
    font-size: 1rem;
    color: #555;
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-item h4 {
    font-size: 2rem;
    color: #4299e1;
    margin-bottom: 10px;
}

/* 移动端响应式样式 */
@media screen and (max-width: 768px) {
    .about-content {
        flex-direction: column; /* 列 */
        gap: 30px;
    }

    .about-text {
        order: 1; /* 文字部分放在上面 */
        text-align: center;
    }

    .about-image {
        order: 2; /* 图片放在下面 */
        width: 100%;
    }

    .lead {
        font-size: 1.2rem;
        margin: 20px 0;
    }

    /* 统计数据调整 */
    .stats {
        grid-template-columns: repeat(3, 1fr); /* 保持三列 */
        gap: 15px;
        margin-top: 30px;
    }

    .stat-item h4 {
        font-size: 1.5rem; /* 减小数字大小 */
    }

    .stat-item p {
        font-size: 0.9rem; /* 减小文字大小 */
    }
}

/* 更小屏幕的额外调整 */
@media screen and (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr; /* 超小屏幕改为单列 */
        gap: 20px;
    }

    .stat-item {
        padding: 15px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
    }

    .stat-item h4 {
        font-size: 1.8rem; /* 单列时可以稍微放大数字 */
    }

    .about-text p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info .info-item {
    display: flex;
    align-items: center;  /* 添加这行确保垂直居中对齐 */
    margin-bottom: 30px;
}

.contact-info .info-item i {
    font-size: 24px;
    margin-right: 15px;
    width: 40px;    /* 固定图标宽度 */
    text-align: center;  /* 图标居中 */
}

.contact-info .info-item h3,
.contact-info .info-item p {
    margin: 0;      /* 移除默认边距 */
    line-height: 1.5;  /* 统一行高 */
}

.contact-info .info-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-info .info-item p {
    font-size: 16px;
    color: #666;
}

.info-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.info-item:hover {
    transform: translateY(-5px);
}

.icon {
    font-size: 2rem;
    margin-right: 15px;
    color: var(--primary-color);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: var(--accent-color);
}

/* 页脚样式 */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    max-width: 150px;
    height: auto;
    margin-bottom: 20px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 5px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-icon:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

.about-image img {
    max-width: 100%;  /* 限制最大宽度 */
    height: auto;     /* 保持宽高比 */
    border-radius: 10px;  /* 添加圆角 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);  /* 添加阴影 */
}

.footer-logo {
    max-width: 150px;  /* 限制最大宽度 */
    height: auto;      /* 保持宽高比 */
    margin-bottom: 20px;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1rem;
    cursor: pointer;
    padding: 10px;
    transition: color 0.3s;
}

.dropbtn:hover {
    color: var(--accent-color);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1;
    border-radius: 8px;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--primary-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s, color 0.3s;
}

.dropdown-content a:hover {
    background-color: var(--accent-color);
    color: white;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.section {
    padding: 50px 0;
    background: linear-gradient(135deg, #f0f4f8, #d9e2ec);
    position: relative;
    overflow: hidden;
}

.content {
    margin-top: 40px;
}

.info-grid {
    display: grid;
    gap: 30px;
    margin-bottom: 50px;
}

.main-info {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-card {
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.info-card h4 {
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.info-card p {
    color: #4a5568;
    line-height: 1.6;
}

.warehouse-visual {
    position: relative;
    margin-top: 50px;
}

.warehouse-visual img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stats-overlay {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff !important;
}

.stat-label {
    font-size: 0.9rem;
    color: #4a5568;
}

/* 添加动画效果 */
.info-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.info-card:nth-child(1) { animation-delay: 0.1s; }
.info-card:nth-child(2) { animation-delay: 0.2s; }
.info-card:nth-child(3) { animation-delay: 0.3s; }
.info-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .feature-cards {
        grid-template-columns: 1fr;
    }
    
    .stats-overlay {
        position: relative;
        margin-top: 20px;
        flex-direction: column;
        gap: 15px;
    }
}

#logistics {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.logistics-content {
    margin-top: 40px;
}

.logistics-overview {
    margin-bottom: 50px;
}

.overview-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.logistics-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 2rem;
    color: #4a5568;
}

.feature-content h4 {
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-content p {
    color: #4a5568;
    margin-bottom: 15px;
}

.feature-stats {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.stat {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2d3748;
}

.stat-label {
    color: #99AA96 !important;
    font-size: 0.9rem;
}

.logistics-visual {
    position: relative;
}

.logistics-visual img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.delivery-status {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 30px;
}

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

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e0;
}

.status-item.active .status-dot {
    background: #48bb78;
}

.status-text {
    font-size: 0.9rem;
    color: #4a5568;
}

/* 添加动画效果 */
.feature-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logistics-features {
        grid-template-columns: 1fr;
    }
    
    .delivery-status {
        flex-direction: column;
        gap: 15px;
    }
}

#supply-chain {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 50px 0;
    position: relative;
}

.supply-chain-content {
    margin-top: 50px;
}

/* 核心价值卡片样式 */
.value-proposition {
    margin-bottom: 60px;
}

.value-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* 供应链流程样式 */
.supply-chain-flow {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin: 80px 0;
    padding: 0 50px;
}

.supply-chain-flow::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 2px;
    background: #cbd5e0;
    z-index: 1;
}

.flow-item {
    position: relative;
    z-index: 2;
    flex: 1;
    text-align: center;
    padding: 0 15px;
}

.flow-number {
    width: 40px;
    height: 40px;
    background: #4299e1;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
}

.flow-content {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.flow-stats {
    margin-top: 15px;
}

.stat-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ebf8ff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2b6cb0;
}

.stat-label {
    font-size: 0.8rem;
    color: #4a5568;
}

/* 核心优势网格样式 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

/* 动画效果 */
.flow-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.flow-item:nth-child(1) { animation-delay: 0.1s; }
.flow-item:nth-child(2) { animation-delay: 0.2s; }
.flow-item:nth-child(3) { animation-delay: 0.3s; }
.flow-item:nth-child(4) { animation-delay: 0.4s; }

.advantage-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.advantage-card:nth-child(1) { animation-delay: 0.5s; }
.advantage-card:nth-child(2) { animation-delay: 0.6s; }
.advantage-card:nth-child(3) { animation-delay: 0.7s; }
.advantage-card:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .supply-chain-flow {
        flex-direction: column;
        padding: 0;
    }

    .supply-chain-flow::before {
        display: none;
    }

    .flow-item {
        margin-bottom: 30px;
    }

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

#customer-service {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 50px 0;
    position: relative;
}

.service-content {
    margin-top: 50px;
}

/* 服务承诺样式 */
.service-promise {
    margin-bottom: 60px;
}

.promise-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.promise-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* 服务内容网格样式 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* PC端4列 */
    gap: 30px;
    margin: 40px 0;
}

.service-item {
    flex: 1;  /* 平均分配宽度 */
    min-width: 0;  /* 允许内容收缩 */
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-header {
    background: #4299e1;
    color: white;
    padding: 15px;  /* 减小内边距 */
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-header .icon {
    font-size: 1.8rem;  /* 稍微减小图标大小 */
}

.service-header h4 {
    margin: 0;
    font-size: 1.1rem;  /* 稍微减小标题大小 */
}

.service-details {
    padding: 20px;  /* 减小内边距 */
    position: relative;
}

.service-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-details li {
    margin-bottom: 8px;  /* 减小列表项间距 */
    padding-left: 20px;
    position: relative;
    font-size: 0.9rem;  /* 减小列表文字大小 */
}

.service-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #48bb78;
}

.service-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ebf8ff;
    color: #2b6cb0;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* 服务标准样式 */
.service-standards {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.standard-item {
    text-align: center;
    position: relative;
    padding: 20px;
}

.standard-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    fill: none;
}

.progress-ring-circle-fill {
    fill: none;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    animation: progress-animation 2s ease forwards;
}

.standard-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.standard-number {
    font-size: 2rem;
    font-weight: bold;
    color: #2d3748;
    line-height: 1;
}

.standard-unit {
    font-size: 0.9rem;
    color: #718096;
    margin-top: 2px;
}

.standard-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 5px;
}

.standard-desc {
    display: block;
    font-size: 0.9rem;
    color: #718096;
}

/* 为每个圆环设置不同的进度 */
.standard-item:nth-child(1) .progress-ring-circle-fill {
    stroke-dashoffset: 254.469; /* 25% */
}

.standard-item:nth-child(2) .progress-ring-circle-fill {
    stroke-dashoffset: 6.78584; /* 98% */
}

.standard-item:nth-child(3) .progress-ring-circle-fill {
    stroke-dashoffset: 0; /* 100% */
}

/* 添加动画效果 */
@keyframes progress-animation {
    from {
        stroke-dashoffset: 339.292;
    }
}

/* 添加悬停效果 */
.standard-item:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

.standard-item:hover .standard-number {
    color: #4299e1;
    transition: color 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .service-standards {
        flex-direction: column;
        gap: 40px;
        padding: 30px;
    }

    .standard-item {
        padding: 10px;
    }
}

/* 添加进入动画 */
.standard-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.standard-item:nth-child(1) { animation-delay: 0.1s; }
.standard-item:nth-child(2) { animation-delay: 0.2s; }
.standard-item:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#green-logistics {
    background: linear-gradient(135deg, #f0f7f4, #e6f3ed);
    padding: 50px 0;
    position: relative;
}

.eco-content {
    margin-top: 50px;
}

/* 环保理念卡片样式 */
.eco-vision {
    margin-bottom: 60px;
}

.vision-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid #48bb78;
}

.eco-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* 环保指标样式 */
.eco-metrics {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
}

.metric-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 20px;
    min-width: 200px;
}

.metric-icon {
    font-size: 2.5rem;
}

.metric-data {
    display: flex;
    flex-direction: column;
}

.metric-data .number {
    font-size: 2rem;
    font-weight: bold;
    color: #48bb78;
}

.metric-data .label {
    font-size: 0.9rem;
    color: #4a5568;
}

/* 环保措施卡片样式 */
.eco-initiatives {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.initiative-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.initiative-card:hover {
    transform: translateY(-5px);
}

.card-header {
    background: #48bb78;
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-icon {
    font-size: 1.8rem;
}

.card-header h4 {
    margin: 0;
    font-size: 1.2rem;
}

.card-content {
    padding: 25px;
}

.eco-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.eco-features li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.eco-features li::before {
    content: '🌱';
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

/* 动画效果 */
.initiative-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.initiative-card:nth-child(1) { animation-delay: 0.1s; }
.initiative-card:nth-child(2) { animation-delay: 0.2s; }
.initiative-card:nth-child(3) { animation-delay: 0.3s; }
.initiative-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .eco-metrics {
        flex-direction: column;
    }
    
    .metric-card {
        width: 100%;
    }
    
    .eco-initiatives {
        grid-template-columns: 1fr;
    }
}

#tech-support {
    background: linear-gradient(135deg, #1a1f35, #2d3748);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.tech-content {
    margin-top: 50px;
    position: relative;
}

/* 核心技术概览样式 */
.tech-overview {
    margin-bottom: 80px;
}

.overview-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.tech-svg {
    width: 100%;
    height: 100%;
    animation: rotate 10s linear infinite;
}

.tech-circle {
    fill: none;
    stroke: #4299e1;
    stroke-width: 2;
}

.tech-path {
    fill: #4299e1;
}

/* 技术能力卡片样式 */
.tech-capabilities {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.capability-card {
    position: relative;
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transition: transform 0.6s;
    border-radius: 15px;
    padding: 30px;
}

.card-front {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.card-back {
    background: #4299e1;
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.capability-card:hover .card-front {
    transform: rotateY(180deg);
}

.capability-card:hover .card-back {
    transform: rotateY(360deg);
}

.capability-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.capability-stats {
    margin-top: 20px;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #4299e1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

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

.feature-list li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: white;
}

/* 技术架构样式 */
.tech-architecture {
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.architecture-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.layer {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.layer span {
    font-weight: bold;
    min-width: 100px;
}

.layer-content {
    color: rgba(255, 255, 255, 0.8);
}

/* 动画效果 */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .tech-capabilities {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tech-capabilities {
        grid-template-columns: 1fr;
    }
    
    .layer {
        flex-direction: column;
        text-align: center;
    }
}

#security {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #ffffff;
    padding: 100px 0;
    position: relative;
}

/* 核心标语样式 */
.security-headline {
    text-align: center;
    margin-bottom: 60px;
}

.headline-box {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.highlight {
    font-size: 1.8rem;
    font-weight: 700;
    color: #4fd1c5;
    text-shadow: 0 0 10px rgba(79, 209, 197, 0.3);
}

.divider {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
}

/* 认证展示样式 */
.certification-showcase {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
}

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

.cert-badge {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    border: 2px solid rgba(79, 209, 197, 0.3);
    transition: transform 0.3s ease;
}

.cert-badge:hover {
    transform: scale(1.05);
    border-color: #4fd1c5;
}

.badge-icon {
    font-size: 2rem;
    font-weight: 700;
    color: #4fd1c5;
}

.badge-text {
    font-size: 1.2rem;
    color: #ffffff;
    margin-top: 5px;
}

.cert-name {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 安全保障样式 */
.security-shields {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.shield-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.shield-item:hover {
    transform: translateY(-5px);
}

.shield-icon {
    font-size: 2.5rem;
}

.shield-info {
    flex: 1;
}

.shield-info h4 {
    margin: 0 0 10px 0;
    color: #4fd1c5;
}

.shield-meter {
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #4fd1c5, #38b2ac);
    border-radius: 3px;
    transition: width 1s ease-out;
}

.shield-value {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .headline-box {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
    }

    .certification-showcase {
        flex-direction: column;
        align-items: center;
    }

    .security-shields {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.shield-icon {
    animation: pulse 2s infinite;
}

/* 移动端菜单按钮 */
.menu-btn {
    display: none;
    position: fixed;
    top: 5px;
    right: 15px;
    z-index: 1000;
    font-size: 28px;
    cursor: pointer;
    color: #000000;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    transition: color 0.3s ease;
}

/* 悬停效果 */
.menu-btn:hover {
    color: #333333;
}

/* 确保在移动端显示 */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
}

/* 菜单遮罩层 */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%; /* 初始位置在屏幕右侧外 */
    width: 80%;    /* 菜单宽度占屏幕80% */
    height: 100vh;
    background: white;
    padding: 60px 20px 20px;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    z-index: 999;
}

.mobile-menu a {
    display: block;
    padding: 15px 0;
    color: #333;
    text-decoration: none;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* 激活状态 */
.mobile-menu.active {
    display: block;
    right: 0; /* 滑入到屏幕内 */
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* 移动端显示菜单按钮 */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
}

/* 响应式断点 */
@media (max-width: 768px) {
    .menu-btn {
        display: block; /* 在移动端显示菜单按钮 */
    }
    
    .desktop-nav {
        display: none; /* 隐藏桌面导航 */
    }
}

/* 客户服务响应式样式 */
@media (max-width: 768px) {
    /* 服务网格布局调整 */
    .service-grid {
        grid-template-columns: 1fr !important; /* 强制单列 */
        gap: 20px;
    }

    /* 服务标准调整 */
    .service-standards {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    /* 服务项目调整 */
    .service-item {
        padding: 20px;
    }

    /* 服务承诺调整 */
    .service-promise {
        padding: 20px;
    }

    .promise-card {
        padding: 20px;
    }

    /* 调整标题大小 */
    .service-content h3 {
        font-size: 1.5rem;
    }

    .service-content h4 {
        font-size: 1.2rem;
    }

    /* 调整图标大小 */
    .service-icon {
        font-size: 2rem;
    }

    /* 调整内容间距 */
    .service-details ul {
        margin: 10px 0;
    }

    /* 调整标签位置 */
    .service-tag {
        position: static;
        margin-top: 10px;
        display: inline-block;
    }
}

/* 更小屏幕的额外调整 */
@media (max-width: 480px) {
    .service-content {
        padding: 10px;
    }

    .service-standards .standard-item {
        width: 100%;
    }
}

/* 移动端响应式布局 */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr); /* 平板端2列 */
    }

    /* 调整服务项目在移动端的样式 */
    .service-item {
        padding: 20px;
    }

    .service-header {
        margin-bottom: 15px;
    }

    .service-header .icon {
        font-size: 2rem;
    }

    .service-header h4 {
        font-size: 1.2rem;
    }

    .service-details ul {
        margin-bottom: 10px;
    }

    .service-tag {
        position: static;
        display: inline-block;
        margin-top: 10px;
    }
}

/* 数据指标的样式 */
.stat-number, 
.stat-label,
.standard-number,
.standard-unit,
.standard-label,
.standard-desc {
    color: #333333; /* 恢复深色文字 */
}

/* 或者更具体地设置每个元素 */
.stat-circle .stat-number {
    color: #333333;
    font-weight: bold;
}

.stat-circle .stat-label {
    color: #333333;
}

.standard-content .standard-number {
    color: #333333;
    font-weight: bold;
}

.standard-content .standard-unit {
    color: #333333;
}

.standard-label {
    color: #333333;
    font-weight: bold;
}

.standard-desc {
    color: #666666; /* 描述文字可以稍微浅一点 */
}

/* 商品列表样式 */
.products-section {
    margin-top: 40px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.product-card {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.product-info {
    padding: 15px 0;
}

.product-name {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #333;
}

.product-price {
    color: #e53e3e;
    font-size: 1.2rem;
    font-weight: bold;
}

.product-sales {
    color: #718096;
    font-size: 0.9rem;
}

.product-unit {
    color: #718096;
    font-size: 0.9rem;
}

/* 响应式布局 */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

/* 商品列表样式 */
.warehouse-products {
    margin-top: 60px;
}

.products-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.product-card {
    background: var(--card-bg, rgba(255, 255, 255, 0.1));
    border-radius: 15px;
    padding: 20px;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.product-info {
    color: var(--text-color, #333);
}

.product-name {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.product-price {
    color: #e53e3e;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.product-sales,
.product-unit {
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
}

/* 响应式布局 */
@media screen and (max-width: 1024px) {
    .products-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media screen and (max-width: 768px) {
    .products-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .product-card {
        padding: 15px;
    }
    
    .product-image {
        height: 160px;
    }
}

@media screen and (max-width: 480px) {
    .products-container {
        grid-template-columns: 1fr;
    }
}

/* 商品部分样式 */
.products-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;
    margin-top: 30px;
}

/* 分类导航样式 */
.category-nav {
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.category-list {
    max-height: 600px;
    overflow-y: auto;
}

.category-item {
    margin-bottom: 5px;
}

.category-parent {
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.category-parent:hover {
    background: #f5f5f5;
}

.category-parent.active {
    background: #e6f7ff;
    color: #1890ff;
}

.category-children {
    padding-left: 20px;
    display: none;
}

.category-children.show {
    display: block;
}

/* 商品区域样式 */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.current-category {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
}

.sort-buttons {
    display: flex;
    gap: 10px;
}

.sort-btn {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
}

.sort-btn:hover,
.sort-btn.active {
    background: #1890ff;
    color: white;
    border-color: #1890ff;
}

/* 商品网格样式 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .products-layout {
        grid-template-columns: 1fr;
    }
    
    .category-nav {
        display: none;
    }
    
    .category-nav.active {
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        z-index: 1000;
        background: white;
    }
}

/* 添加图片相关样式 */
.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* 1:1 宽高比 */
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 加载动画样式 */
.loading-container {
    width: 100%;
    padding: 40px 0;
    text-align: center;
    grid-column: 1 / -1; /* 占据所有列 */
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1890ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

.loading-text {
    color: #666;
    font-size: 14px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 添加淡入效果 */
.products-grid {
    min-height: 200px;
    position: relative;
}

.product-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 自定义滚动条样式 */
.category-list {
    max-height: 2400px;
    overflow-y: auto;
}

/* Webkit 浏览器的滚动条样式 */
.category-list::-webkit-scrollbar {
    width: 4px;
}

.category-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.category-list::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 2px;
}

.category-list::-webkit-scrollbar-thumb:hover {
    background: #bbb;
}

/* Firefox 的滚动条样式 */
.category-list {
    scrollbar-width: thin;
    scrollbar-color: #ddd #f1f1f1;
}

/* 产品详情模态框样式 */
.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    overflow-y: auto;
}

.modal-content {
    position: relative;
    background: white;
    margin: 50px auto;
    padding: 30px;
    width: 90%;
    max-width: 1200px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* 图片区域样式 */
.main-image {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.image-slider {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.slider-image {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
}

.slider-image.active {
    border-color: #1890ff;
}

/* 商品信息样式 */
.product-detail-info {
    padding: 20px 0;
}

.product-detail-info h2 {
    font-size: 24px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.store-info {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.price-section {
    margin-bottom: 20px;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 10px;
}

.modal-price {
    font-size: 28px;
    color: #e53e3e;
    font-weight: bold;
}

.original-price {
    color: #999;
    text-decoration: line-through;
}

.modal-unit {
    color: #666;
}

.sales-stock {
    display: flex;
    gap: 30px;
    color: #666;
    margin-bottom: 20px;
}

.description-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.description-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

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

@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .main-image {
        height: 300px;
    }
}

/* 添加关闭按钮样式 */
.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    background: #f5f5f5;
    border-radius: 50%;
    transition: all 0.3s;
}

.close-modal:hover {
    background: #e6e6e6;
    color: #333;
}

/* 模态框动画 */
.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 2000;
    overflow-y: auto;
    transition: background 0.3s ease;
}

.product-modal.show {
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: white;
    margin: 50px auto;
    padding: 30px;
    width: 90%;
    max-width: 1200px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.modal-content.show {
    opacity: 1;
    transform: translateY(0);
}

/* 加载动画样式 */
.modal-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.loading-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1890ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.loading-text {
    color: #666;
    font-size: 14px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 内容区域加载动画 */
.product-detail {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.product-detail.show {
    opacity: 1;
    transform: translateY(0);
}

/* 商品详情描述区域样式 */
.description-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.description-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.modal-description {
    color: #666;
    line-height: 1.6;
}

/* 描述中的图片样式 */
.description-image {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border-radius: 8px;
}

/* 无描述时的样式 */
.no-description {
    color: #999;
    text-align: center;
    padding: 20px 0;
}

/* 图片加载中的占位样式 */
.description-image {
    min-height: 100px;
    background: #f5f5f5;
    position: relative;
}

.description-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 动画相关样式 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-modal .modal-content {
    width: 90%;
    max-width: 1200px;
    height: 90vh;
    padding: 20px;
    position: relative;
}

.product-modal .close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    z-index: 1000;
    background: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-modal .modal-content {
    width: 100%;
    max-width: 450px; /* 移端标准宽度 */
    height: 90vh;
    padding: 0;
    position: relative;
    background: transparent;
    box-shadow: none;
}

.product-modal .mobile-frame {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.product-modal .close-modal {
    position: absolute;
    right: -40px;
    top: 0;
    font-size: 24px;
    cursor: pointer;
    z-index: 1000;
    background: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .product-modal .modal-content {
        width: 100%;
        height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    
    .product-modal .mobile-frame {
        border-radius: 0;
    }
    
    .product-modal .close-modal {
        right: 10px;
        top: 10px;
    }
}

/* 商品分类横幅样式 */
.products-banner {
    position: relative;
    width: 100%;
    height: 480px;
    padding-top: 80px;
    background-image: url('/assets/images/products-banner.jpg'); /* 修改图片路径 */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
}

.banner-content {
    position: relative;
    text-align: center;
    color: #ffffff;
    z-index: 1;
    padding: 0 20px;
    /* 添加弹性布局 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px; /* 统一设置间距 */
}

.banner-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInDown 1s ease-out;
    margin: 0; /* 移除默认边距 */
}

.banner-content p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
    margin: 0; /* 移除默认边距 */
}

.banner-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeIn 1.5s ease-out;
    margin-top: 10px; /* 添加适当的上边距 */
}

/* 响应式适配 */
@media (max-width: 768px) {
    .products-banner {
        height: 450px;
        padding-top: 60px;
    }

    .banner-content {
        gap: 15px; /* 减小间距 */
    }

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

    .banner-content p {
        font-size: 1.2rem;
    }

    .banner-stats {
        gap: 30px;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .products-banner {
        height: 500px; /* 增加高度确保内容显示 */
        padding-top: 50px;
    }

    .banner-content {
        gap: 15px;
        padding: 0 15px;
    }

    .banner-content h1 {
        font-size: 2rem;
    }

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

    .banner-stats {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }

    .banner-stats .stat-item {
        /* 调整统计数据的显示 */
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    .banner-stats .stat-number {
        font-size: 1.8rem;
    }

    .banner-stats .stat-label {
        font-size: 0.9rem;
    }
}

/* 仓储横幅样式 */
.warehouse-banner {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('/assets/images/warehouse-banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.warehouse-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.warehouse-banner .banner-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.warehouse-banner h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.warehouse-banner p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.warehouse-banner .banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.warehouse-banner .stat-item {
    text-align: center;
}

.warehouse-banner .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #00a0e9;
}

.warehouse-banner .stat-label {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .warehouse-banner {
        height: 700px;
    }

    .warehouse-banner h1 {
        font-size: 2.5rem;
    }

    .warehouse-banner p {
        font-size: 1.2rem;
    }

    .warehouse-banner .banner-stats {
        gap: 1.5rem;
    }

    .warehouse-banner .stat-number {
        font-size: 2rem;
    }

    .warehouse-banner .stat-label {
        font-size: 1rem;
    }
}
/* 物流横幅样式 */
.logistics-banner {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('/assets/images/logistics-banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logistics-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.logistics-banner .banner-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.logistics-banner h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.logistics-banner p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.logistics-banner .banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.logistics-banner .stat-item {
    text-align: center;
}

.logistics-banner .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #4CAF50;  /* 使用绿色作为物流主题色 */
}

.logistics-banner .stat-label {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .logistics-banner {
        height: 700px;
    }

    .logistics-banner h1 {
        font-size: 2.5rem;
    }

    .logistics-banner p {
        font-size: 1.2rem;
    }

    .logistics-banner .banner-stats {
        gap: 1.5rem;
    }

    .logistics-banner .stat-number {
        font-size: 2rem;
    }

    .logistics-banner .stat-label {
        font-size: 1rem;
    }
}
/* 供应链横幅样式 */
.supply-chain-banner {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('/assets/images/supply-chain-banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.supply-chain-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.supply-chain-banner .banner-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.supply-chain-banner h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.supply-chain-banner p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.supply-chain-banner .banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.supply-chain-banner .stat-item {
    text-align: center;
}

.supply-chain-banner .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #FF6B6B;  /* 使用暖红色作为供应链主题色 */
}

.supply-chain-banner .stat-label {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .supply-chain-banner {
        height: 700px;
    }

    .supply-chain-banner h1 {
        font-size: 2.5rem;
    }

    .supply-chain-banner p {
        font-size: 1.2rem;
    }

    .supply-chain-banner .banner-stats {
        gap: 1.5rem;
    }

    .supply-chain-banner .stat-number {
        font-size: 2rem;
    }

    .supply-chain-banner .stat-label {
        font-size: 1rem;
    }
}
/* 客服横幅样式 */
.customer-service-banner {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('/assets/images/customer-service-banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.customer-service-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.customer-service-banner .banner-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.customer-service-banner h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.customer-service-banner p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.customer-service-banner .banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.customer-service-banner .stat-item {
    text-align: center;
}

.customer-service-banner .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #4299e1;  /* 使用蓝色作为客服主题色 */
}

.customer-service-banner .stat-label {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .customer-service-banner {
        height: 700px;
    }

    .customer-service-banner h1 {
        font-size: 2.5rem;
    }

    .customer-service-banner p {
        font-size: 1.2rem;
    }

    .customer-service-banner .banner-stats {
        gap: 1.5rem;
    }

    .customer-service-banner .stat-number {
        font-size: 2rem;
    }

    .customer-service-banner .stat-label {
        font-size: 1rem;
    }
}
/* 绿色物流横幅样式 */
.green-logistics-banner {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('/assets/images/green-logistics-banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.green-logistics-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.green-logistics-banner .banner-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.green-logistics-banner h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.green-logistics-banner p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.green-logistics-banner .banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.green-logistics-banner .stat-item {
    text-align: center;
}

.green-logistics-banner .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #48bb78;  /* 使用绿色作为环保主题色 */
}

.green-logistics-banner .stat-label {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .green-logistics-banner {
        height: 700px;
    }

    .green-logistics-banner h1 {
        font-size: 2.5rem;
    }

    .green-logistics-banner p {
        font-size: 1.2rem;
    }

    .green-logistics-banner .banner-stats {
        gap: 1.5rem;
    }

    .green-logistics-banner .stat-number {
        font-size: 2rem;
    }

    .green-logistics-banner .stat-label {
        font-size: 1rem;
    }
}