/* 全局样式 */
:root {
    --primary-color: #FF7043;
    --secondary-color: #FF9E80;
    --accent-color: #FFCCBC;
    --text-color: #333333;
    --light-text: #666666;
    --bg-color: #FFFFFF;
    --light-bg: #FFF3E0;
    --border-color: #FFCCBC;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

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

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

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-title p {
    color: var(--light-text);
    font-size: 16px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 15px;
    font-size: 14px;
}

section {
    padding: 80px 0;
}

/* 头部样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px var(--shadow-color);
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

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

.logo h1 {
    font-size: 24px;
    margin-left: 10px;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
}

.main-nav li {
    margin-left: 20px;
}

.main-nav a {
    font-size: 16px;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 20px;
    transition: var(--transition);
}

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

/* 轮播图样式 */
.banner {
    position: relative;
    height: 600px;
    overflow: hidden;
    margin-top: 70px;
}

.banner-wrapper {
    height: 100%;
    position: relative;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin-left: 100px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.banner-dots .dot.active {
    background-color: white;
}

.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
}

.banner-arrow:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

/* 特色服务样式 */
.features {
    background-color: var(--light-bg);
}

.features-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    background-color: white;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
}

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

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-item p {
    color: var(--light-text);
}

/* 产品展示样式 */
.product-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.filter-btn {
    padding: 10px 20px;
    margin: 0 10px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

.product-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-img {
    height: 200px;
    overflow: hidden;
}

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

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

.product-info {
    padding: 20px;
    background-color: white;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.product-info p {
    color: var(--light-text);
    margin-bottom: 15px;
    font-size: 14px;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-weight: bold;
    color: var(--primary-color);
}

/* 知识文章样式 */
.articles {
    background-color: var(--light-bg);
}

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

.article-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-10px);
}

.article-img {
    height: 200px;
    overflow: hidden;
}

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

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

.article-content {
    padding: 20px;
}

.article-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.article-date {
    font-size: 14px;
    color: var(--light-text);
    margin-bottom: 10px;
}

.article-desc {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 14px;
    display: inline-block;
}

.read-more:hover {
    text-decoration: underline;
}

/* 客户评价样式 */
.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-slide {
    padding: 0 20px;
}

.testimonial-content {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
    display: flex;
    align-items: center;
}

.testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
    flex-shrink: 0;
}

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

.testimonial-text p {
    font-style: italic;
    margin-bottom: 15px;
    color: var(--text-color);
}

.testimonial-author h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.testimonial-author span {
    color: var(--light-text);
    font-size: 14px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.testimonial-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dots .dot.active {
    background-color: var(--primary-color);
}

/* APP下载区域样式 */
.app-download {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

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

.app-info {
    flex: 1;
    padding-right: 50px;
}

.app-info h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.app-info p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.app-features {
    margin-bottom: 30px;
}

.app-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.app-features li i {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.app-buttons {
    display: flex;
    margin-bottom: 20px;
}

.app-btn {
    display: flex;
    align-items: center;
    background-color: white;
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 5px;
    margin-right: 15px;
    transition: var(--transition);
}

.app-btn:hover {
    transform: translateY(-5px);
    color: var(--primary-color);
}

.app-btn img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

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

.qr-code img {
    width: 120px;
    height: 120px;
    margin: 0 auto 10px;
    background-color: white;
    padding: 10px;
    border-radius: 10px;
}

.qr-code p {
    font-size: 14px;
    opacity: 0.9;
}

.app-image {
    flex: 1;
    text-align: right;
}

.app-image img {
    max-height: 500px;
    margin-left: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 关于我们样式 */
.about-content {
    display: flex;
    align-items: center;
}

.about-image {
    flex: 1;
    margin-right: 50px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

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

.stat-item h3 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--light-text);
    margin-bottom: 0;
}

/* 联系我们样式 */
.contact-us {
    background-color: var(--light-bg);
}

.contact-content {
    display: flex;
    justify-content: space-between;
}

.contact-info {
    flex: 1;
    margin-right: 50px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.info-icon {
    width: 60px;
    height: 60px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.info-icon img {
    width: 30px;
    height: 30px;
}

.info-text h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-form {
    flex: 1;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 112, 67, 0.2);
}

/* 友情链接样式 */
.friend-links {
    padding: 40px 0;
    background-color: #f9f9f9;
}

.links-wrapper ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.links-wrapper li {
    margin: 5px 15px;
}

.links-wrapper a {
    color: var(--light-text);
    font-size: 14px;
    transition: var(--transition);
}

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

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding-top: 60px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    padding: 0 15px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

.footer-column ul li a {
    color: #ccc;
    font-size: 14px;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
}

.social-media {
    display: flex;
    margin-bottom: 20px;
}

.social-media a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    transition: var(--transition);
}

.social-media a:hover {
    background-color: var(--secondary-color);
}

.social-media img {
    width: 20px;
    height: 20px;
}

.footer .qr-code {
    margin-top: 20px;
}

.footer .qr-code img {
    width: 100px;
    height: 100px;
    background-color: white;
    padding: 5px;
}

.footer .qr-code p {
    color: #ccc;
    font-size: 12px;
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: #999;
    font-size: 14px;
}

.footer-nav {
    display: flex;
}

.footer-nav a {
    color: #ccc;
    margin-left: 20px;
    font-size: 14px;
}

.footer-nav a:hover {
    color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
}

@media (max-width: 992px) {
    .features-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .articles-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-content {
        flex-direction: column;
    }
    
    .app-info {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-right: 0;
        margin-bottom: 30px;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        margin-right: 0;
        margin-bottom: 40px;
    }
    
    .footer-top {
        flex-wrap: wrap;
    }
    
    .footer-column {
        flex: 0 0 50%;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-nav li {
        margin: 5px 10px;
    }
    
    .banner {
        height: 400px;
        margin-top: 120px;
    }
    
    .banner-content {
        margin-left: 30px;
    }
    
    .banner-content h2 {
        font-size: 32px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-content {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-avatar {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .footer-bottom {
        flex-direction: column;
    }
    
    .copyright {
        margin-bottom: 15px;
    }
    
    .footer-nav {
        justify-content: center;
    }
    
    .footer-nav a {
        margin: 0 10px;
    }
}

@media (max-width: 576px) {
    .features-wrapper {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-column {
        flex: 0 0 100%;
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
}

/* 图标样式 */
.icon-check::before {
    content: "✓";
    color: white;
    font-weight: bold;
}


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