/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #004d99;
    --accent-color: #66b3ff;
    --light-color: #f5f9ff;
    --dark-color: #333;
    --text-color: #444;
    --border-color: #ddd;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
    max-width: 100%;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    overflow-x: hidden;
    box-sizing: border-box;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
    color: var(--dark-color);
}

p {
    margin-bottom: 15px;
}

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

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

ul {
    list-style: none;
}

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

/* 修复图片在移动端可能超出容器的问题 */
@media (max-width: 576px) {
    img {
        max-width: 100%;
        height: auto;
    }

    .container {
        padding: 0 10px;
        overflow-x: hidden;
    }

    .footer-logo,
    .footer-links,
    .footer-qrcode {
        width: 100%;
    }
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-small {
    padding: 8px 15px;
    font-size: 12px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.underline {
    height: 4px;
    width: 60px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

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

header.sticky {
    padding: 5px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
}

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

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    overflow: hidden;
    border: 2px solid var(--primary-color);
}

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

.logo h1 {
    font-size: 24px;
    color: var(--primary-color);
    margin: 0;
}

nav ul {
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

nav ul li a:hover,
nav ul li.active a {
    color: var(--primary-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li.active a::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 首页轮播图 */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    padding: 0;
    margin-top: 60px;
}

.slider {
    position: relative;
    height: 100%;
    width: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.slide:nth-child(1) {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/slider-1.jpg');
    background-position: center;
    background-size: cover;
}

.slide:nth-child(2) {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/slider-2.jpg');
    background-position: center;
    background-size: cover;
}

.slide:nth-child(3) {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/slider-3.jpg');
    background-position: center;
    background-size: cover;
}

.slide.current {
    opacity: 1;
}

.slide .content {
    max-width: 700px;
    padding: 20px;
}

.slide .content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: white;
}

.slide .content p {
    font-size: 20px;
    margin-bottom: 30px;
}

.buttons {
    position: absolute;
    bottom: 50px;
    right: 50px;
    z-index: 10;
}

.buttons button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.buttons button:hover {
    background-color: var(--secondary-color);
}

/* 关于我们 */
.about {
    background-color: var(--light-color);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-features {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.feature {
    text-align: center;
}

.feature i {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 产品中心 */
.product-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.category {
    background: none;
    border: 1px solid var(--border-color);
    padding: 8px 20px;
    margin: 5px;
    cursor: pointer;
    border-radius: 20px;
    transition: var(--transition);
}

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.product-info p {
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

/* 服务支持 */
.services {
    background-color: var(--light-color);
}

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

.service-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

/* 线上产品 */
.online-products {
    background-color: var(--light-color);
}

.platform-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.platform-link {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    color: white;
}

.platform-link i {
    margin-right: 10px;
    font-size: 24px;
}

.platform-link.douyin {
    background-color: #000000;
}

.platform-link.taobao {
    background-color: #FF4400;
}

.platform-link.jd {
    background-color: #E1251B;
}

.platform-link.disabled {
    background-color: #999;
    cursor: not-allowed;
    opacity: 0.6;
}

.platform-link.disabled:hover {
    transform: none;
    box-shadow: none;
}

.platform-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: white;
}

.online-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.online-product-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    background-color: white;
}

.online-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.online-product-info {
    padding: 20px;
    text-align: center;
}

.online-product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.online-product-info p {
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.price {
    font-size: 20px;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 15px;
}

.platform-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.platform-tag {
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 4px;
    color: white;
    background-color: #666; /* 默认背景色 */
    display: inline-block;
}

.platform-tag.douyin {
    background-color: #000000;
}

.platform-tag.taobao {
    background-color: #FF4400;
}

.platform-tag.jd {
    background-color: #E1251B;
}

/* 添加更多标签样式 */
.platform-tag.sold {
    background-color: #28a745;
}

.platform-tag.limited {
    background-color: #dc3545;
}

.platform-tag.interest-free {
    background-color: #17a2b8;
}

.platform-tag.efficient {
    background-color: #6610f2;
}

.platform-tag.favorite {
    background-color: #fd7e14;
}

.platform-tag.value {
    background-color: #20c997;
}

.platform-tag.low-price {
    background-color: #6f42c1;
}

/* 企业资质 */
.qualifications {
    background-color: var(--light-color);
    padding: 80px 0;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

.qualification-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.6;
    width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
}

.qualification-content {
    width: 100%;
    overflow-x: hidden;
    max-width: 100%;
    box-sizing: border-box;
}

.qualification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
}

/* 修改企业资质卡片样式 */
.qualification-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
}

.qualification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.qualification-image {
    height: 220px;
    overflow: hidden;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f8f9fa;
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.qualification-image img {
    width: auto;
    height: auto;
    max-height: 220px;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

/* 特别为报告图片添加限制，防止撑开页面 */
.qualification-card img[src*="报告"],
.report-img {
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.qualification-card:hover .qualification-image img {
    transform: scale(1.05);
}

.qualification-info {
    padding: 20px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: white;
    transition: background-color 0.3s ease;
    position: relative;
    z-index: 1;
}

.qualification-info h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.qualification-info p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 14px;
}

.qualification-info .btn-small {
    align-self: center;
}

.qualification-info-link {
    color: inherit;
    text-decoration: none;
    display: block;
    flex-grow: 1;
    transition: var(--transition);
    cursor: pointer;
}

.qualification-info-link:hover .qualification-info {
    background-color: #f5f9ff;
}

.qualification-info-link:hover .btn-small {
    background-color: var(--secondary-color);
    color: white;
}

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

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.info-item {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-form {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 50px 0 20px;
    overflow-x: hidden;
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-logo h2 {
    color: white;
    font-size: 24px;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #ccc;
    margin-bottom: 20px;
}

.footer-links h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
}

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

.footer-links ul li a {
    color: #ccc;
}

.footer-links ul li a:hover {
    color: white;
}

.footer-contact-info {
    margin-top: 20px;
}

.footer-contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact-info i {
    margin-right: 10px;
}

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

.footer-qrcode h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    text-align: center;
    width: 100%;
}

.qrcode-wrapper {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.qrcode-item {
    text-align: center;
    background-color: white;
    padding: 10px;
    border-radius: 8px;
    width: 120px;
    transition: var(--transition);
    margin-bottom: 10px;
}

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

.qrcode-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    margin-bottom: 10px;
    border-radius: 4px;
    cursor: pointer; /* 添加指针样式表明可点击 */
    transition: transform 0.3s ease;
}

.qrcode-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.qrcode-item p {
    color: var(--dark-color);
    font-size: 14px;
    margin-bottom: 5px;
}

.qrcode-tip {
    font-size: 10px;
    color: #888;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .slide .content h1 {
        font-size: 36px;
    }
    
    .slide .content p {
        font-size: 18px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-qrcode {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav.active {
        max-height: 300px;
    }
    
    nav ul {
        flex-direction: column;
        padding: 20px 0;
    }
    
    nav ul li {
        margin: 0;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 20px;
    }
    
    .hero {
        height: 70vh;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-qrcode {
        grid-column: 1;
        margin-top: 20px;
        width: 100%;
        overflow: hidden;
    }

    .qrcode-wrapper {
        width: 100%;
        overflow: hidden;
    }
    
    .qrcode-item {
        margin: 0 5px 10px 5px;
    }

    .qualification-grid {
        grid-template-columns: 1fr;
        width: 100%;
        max-width: 100%;
        padding: 0;
        margin: 0;
        gap: 15px;
        box-sizing: border-box;
    }
    
    .qualification-card {
        width: 100%;
        margin: 0 auto;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    }
    
    .qualification-card:hover {
        transform: none;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    }
    
    .qualifications {
        padding: 40px 0;
    }
    
    .qualification-image {
        height: auto;
        max-height: 250px;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .qualification-image img {
        height: auto;
        max-height: 250px;
        object-fit: contain;
    }
    
    .qualification-info {
        padding: 15px;
        width: 100%;
    }
    
    .qualification-info h3 {
        font-size: 18px;
    }
    
    .qualification-info p {
        font-size: 14px;
    }
    
    .qualification-intro {
        padding: 0 10px;
    }

    /* 针对报告图片的移动端优化 */
    .qualification-card img[src*="报告"],
    .report-img {
        max-width: 100%;
        width: auto;
        max-height: 180px;
        object-fit: scale-down;
    }
}

@media (max-width: 576px) {
    .section-title h2 {
        font-size: 28px;
    }
    
    .slide .content h1 {
        font-size: 28px;
    }
    
    .slide .content p {
        font-size: 16px;
    }
    
    .about-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .product-categories {
        flex-direction: column;
        align-items: center;
    }
    
    .category {
        width: 80%;
        margin: 5px 0;
    }

    .qrcode-item {
        width: 90px;
        max-width: 100%;
        padding: 5px;
    }

    .qrcode-item img {
        width: 80px;
        height: 80px;
    }

    .qrcode-wrapper {
        justify-content: center;
        width: 100%;
        overflow: hidden;
    }
    
    .footer-qrcode {
        width: 100%;
        overflow: hidden;
    }
    
    .qrcode-item p {
        font-size: 12px;
    }
    
    .qrcode-tip {
        font-size: 9px;
    }

    .qualification-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
    }
    
    .qualification-card {
        width: 100%;
    }
    
    .qualification-image {
        max-height: 180px;
    }
    
    .qualification-image img {
        max-height: 180px;
    }
    
    .qualification-info {
        padding: 15px;
        width: 100%;
    }
    
    .qualification-info h3 {
        font-size: 18px;
    }
    
    .qualification-info p {
        font-size: 14px;
    }
    
    .qualification-intro {
        padding: 0 10px;
    }

    /* 进一步限制小屏幕上的图片 */
    .qualification-card img[src*="报告"],
    .report-img {
        max-width: 100%;
        max-height: 160px;
        transform: none;
        object-fit: scale-down;
    }
    
    .qualification-card:hover .qualification-image img {
        transform: none;
    }
}

/* 快速链接二维码 */
.quick-contact {
    margin-top: 40px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    background-color: #333;
    padding: 20px;
    border-radius: 10px;
}

.quick-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 0 10px;
}

.quick-contact-item img {
    width: 120px;
    height: 120px;
    background-color: #fff;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.quick-contact-title {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 5px;
}

.quick-contact-desc {
    font-size: 14px;
    color: #ccc;
}

@media (max-width: 576px) {
    .quick-contact {
        flex-direction: column;
        gap: 20px;
    }
    
    .quick-contact-item img {
        width: 100px;
        height: 100px;
    }
}

/* 为整个企业资质部分添加移动端优化 */
@media (max-width: 768px) {
    .qualifications {
        padding: 40px 0;
    }

    .qualifications .container {
        padding: 0 15px;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .qualification-content {
        padding: 0;
        width: 100%;
        max-width: 100%;
    }

    .qualification-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        padding: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .qualification-card {
        width: 100%;
        margin: 0 auto;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    }

    /* 针对报告图片的移动端优化 */
    .qualification-card img[src*="报告"],
    .report-img {
        max-width: 100%;
        height: auto;
        max-height: 200px;
        object-fit: contain;
    }
}

@media (max-width: 576px) {
    .qualification-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
    .qualification-card {
        width: 100%;
        box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
    }

    .qualifications .container {
        padding: 0 10px;
    }
    
    section.qualifications {
        padding: 30px 0;
    }

    .qualification-image {
        height: 180px;
    }
    
    .qualification-image img {
        max-height: 180px;
    }

    /* 进一步限制小屏幕上的图片 */
    .qualification-card img[src*="报告"],
    .report-img {
        max-width: 100%;
        max-height: 160px;
        object-fit: contain;
    }
    
    .qualification-card:hover .qualification-image img {
        transform: scale(1.03);
    }

    .qualification-intro {
        font-size: 14px;
        margin-bottom: 25px;
    }

    .qualifications {
        padding: 30px 0;
    }
}

/* 添加图标样式 */
.icon {
    display: inline-block;
    font-size: 24px;
    width: 1em;
    height: 1em;
    text-align: center;
    vertical-align: middle;
}

/* 调整之前使用Font Awesome的元素样式 */
.feature .icon {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.service-icon .icon {
    font-size: 30px;
    color: var(--primary-color);
}

.info-item .icon {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.platform-link .icon {
    margin-right: 5px;
}

.footer-contact-info .icon {
    margin-right: 10px;
}

/* 调整按钮样式 */
#prev, #next {
    font-size: 18px;
    line-height: 1;
}

@media (max-width: 768px) {
    .qualification-info h3 {
        font-size: 17px;
    }
    
    .qualification-info p {
        margin-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .qualification-info {
        padding: 15px;
    }
    
    .qualification-info h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .qualification-info p {
        margin-bottom: 15px;
        font-size: 13px;
        line-height: 1.4;
    }
    
    .qualification-intro {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 25px;
        padding: 0 10px;
    }
}

/* 图片弹出层 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.modal-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    border: 4px solid white;
}

.modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    font-weight: bold;
    font-size: 16px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    border: 2px solid white;
}

.modal-close:hover {
    background-color: var(--secondary-color);
}

.qualification-image {
    cursor: pointer; /* 添加指针样式表明可点击 */
}

/* 修改页脚二维码为横向排列 */
.footer-qrcode {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
}

.qrcode-wrapper {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: nowrap;
}

.qrcode-item {
    text-align: center;
    background-color: white;
    padding: 10px;
    border-radius: 8px;
    width: 120px;
    transition: var(--transition);
}

@media (max-width: 992px) {
    .footer-qrcode {
        flex-direction: row;
    }
}

@media (max-width: 576px) {
    .footer-qrcode {
        flex-direction: row;
        justify-content: center;
    }
    
    .qrcode-wrapper {
        flex-wrap: nowrap;
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .qualification-card:hover {
        transform: translateY(-3px);
    }

    .qualification-info-link:hover .qualification-info {
        background-color: #f8faff;
    }
}

@media (max-width: 576px) {
    .qualification-card:hover {
        transform: none;
    }
    
    .qualification-image {
        height: 180px;
    }
    
    .qualification-info {
        padding: 15px;
    }
}