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

:root {
    --primary-color: #3a6ea5;
    --secondary-color: #004e98;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --light-text: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --transition: all 0.3s ease;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    transition: transform 0.5s ease;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(58, 110, 165, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(58, 110, 165, 0.3);
}

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

.section-title h3 {
    color: var(--primary-color);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    opacity: 0;
    animation: fadeInUp 0.5s forwards;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    opacity: 0;
    animation: fadeInUp 0.5s 0.2s forwards;
}

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

.section-title p {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 0.5s 0.4s forwards;
}

/* 头部样式 */
header {
    background-color: rgba(26, 26, 46, 0.95);
    color: var(--light-text);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(26, 26, 46, 0.98);
}

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

.logo h1 {
    font-size: 24px;
    font-weight: bold;
    position: relative;
    padding-left: 15px;
}

.logo h1:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 70%;
    background-color: var(--primary-color);
    border-radius: 3px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
    position: relative;
}

nav ul li a {
    color: var(--light-text);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--light-text);
    margin: 5px 0;
    transition: var(--transition);
}

/* 主横幅区域 */
.hero {
    /* background-image: url('../images/cpzs/主页1.jpg'); */
    /* background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    position: relative;
    overflow: hidden; */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(0, 78, 152, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 20px;
    max-width: 800px;
}

.hero-content h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0;
    animation: fadeInUp 0.5s 0.2s forwards;
}

.hero-content h1 {
    font-size: 56px;
    margin-bottom: 30px;
    font-weight: bold;
    opacity: 0;
    animation: fadeInUp 0.5s 0.4s forwards;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.hero-content .btn {
    opacity: 0;
    animation: fadeInUp 0.5s 0.6s forwards;
}

/* 公司简介部分 */
.about {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(58, 110, 165, 0.05);
    border-radius: 50%;
    top: -150px;
    left: -150px;
    z-index: 0;
}

.about::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background-color: rgba(58, 110, 165, 0.05);
    border-radius: 50%;
    bottom: -100px;
    right: -100px;
    z-index: 0;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-images {
    flex: 1;
    display: flex;
    gap: 20px;
    padding: 20px;
    position: relative;
}

.about-images::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    border: 3px solid var(--primary-color);
    top: 0;
    left: 0;
    z-index: -1;
    border-radius: var(--border-radius);
    opacity: 0.2;
}

.about-images img {
    width: 48%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.5s ease;
}

.about-images img:hover {
    transform: scale(1.03);
}

.about-text {
    flex: 1;
    padding: 0 30px;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.about-text h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #666;
}

/* 服务介绍部分 */
.services {
    padding: 100px 0;
    background-color: var(--bg-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(58, 110, 165, 0.05) 0%, rgba(58, 110, 165, 0) 70%);
    top: -200px;
    right: -200px;
}

.services::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(58, 110, 165, 0.05) 0%, rgba(58, 110, 165, 0) 70%);
    bottom: -150px;
    left: -150px;
}

.services h3 {
    color: var(--primary-color);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.services h2 {
    font-size: 36px;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.services h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.services p {
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 1.8;
    color: #666;
}

/* 工厂品质部分 */
.quality {
    padding: 120px 0;
    background-image: url('https://img.freepik.com/free-photo/tailor-working-with-fabric-workshop_23-2148190159.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--light-text);
    position: relative;
}

.quality::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(0, 78, 152, 0.85) 100%);
}

.quality-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.quality-content h3 {
    color: var(--accent-color);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    opacity: 0;
    animation: fadeInUp 0.5s forwards;
}

.quality-content h2 {
    font-size: 36px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
    opacity: 0;
    animation: fadeInUp 0.5s 0.2s forwards;
}

.quality-content h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.quality-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 0.5s 0.4s forwards;
}

/* 合作邀请部分 */
.cooperation {
    padding: 80px 0;
    background-color: var(--bg-dark);
    color: var(--light-text);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cooperation::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(58, 110, 165, 0.2) 0%, rgba(26, 26, 46, 0) 70%);
    top: 0;
    left: 0;
}

.cooperation h2 {
    font-size: 36px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.cooperation .btn {
    background-color: var(--accent-color);
    position: relative;
    z-index: 1;
}

.cooperation .btn:hover {
    background-color: #ff5252;
}

/* 公司优势部分 */
.advantages {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.advantages::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(58, 110, 165, 0.05);
    border-radius: 50%;
    top: -150px;
    right: -150px;
}

.advantages h3 {
    color: var(--primary-color);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-align: center;
}

.advantages h2 {
    font-size: 36px;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
    display: inline-block;
}

.advantages h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

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

.advantage-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    z-index: -1;
    transition: var(--transition);
    opacity: 0.05;
}

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

.advantage-item:hover::before {
    height: 100%;
}

.advantage-item .icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.advantage-item:hover .icon {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
    transition: var(--transition);
}

.advantage-item:hover h3 {
    color: var(--secondary-color);
}

.advantage-item p {
    line-height: 1.8;
    color: #666;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 3px 10px rgba(58, 110, 165, 0.3);
}

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

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

/* 联系方式悬浮按钮 */
.contact-buttons {
    position: fixed;
    bottom: 100px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.contact-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--light-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    box-shadow: 0 3px 10px rgba(58, 110, 165, 0.3);
    transition: var(--transition);
}

.contact-btn i {
    font-size: 20px;
    transition: var(--transition);
}

.contact-btn span {
    position: absolute;
    right: 60px;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(58, 110, 165, 0.3);
}

.contact-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.contact-btn:hover i {
    transform: scale(1.2);
}

.contact-btn:hover span {
    opacity: 1;
    visibility: visible;
    right: 70px;
}

.contact-btn.phone i {
    transform: rotate(15deg);
}

.contact-btn.whatsapp i {
    font-size: 22px;
}

.contact-btn.instagram i {
    font-size: 22px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 服务网格部分 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    z-index: -1;
    transition: var(--transition);
    opacity: 0.05;
}

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

.service-item:hover::before {
    height: 100%;
}

.service-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-item:hover .service-icon {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.service-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
    transition: var(--transition);
}

.service-item:hover h3 {
    color: var(--secondary-color);
}

.service-item p {
    line-height: 1.8;
    color: #666;
}

/* 服务统计部分 */
.service-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
}

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

.stat-item::after {
    content: '';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50px;
    background-color: rgba(58, 110, 165, 0.2);
}

.stat-item:last-child::after {
    display: none;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    font-size: 16px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 客户评价部分 */
.testimonials {
    padding: 100px 0;
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(58, 110, 165, 0.05) 0%, rgba(58, 110, 165, 0) 70%);
    top: -200px;
    left: -200px;
}

.testimonial-slider {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.testimonial-item {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    max-width: 350px;
    transition: var(--transition);
    position: relative;
}

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

.testimonial-content {
    position: relative;
    padding-bottom: 20px;
}

.testimonial-content::before {
    content: '\201C';
    font-size: 80px;
    position: absolute;
    top: -20px;
    left: -10px;
    color: rgba(58, 110, 165, 0.1);
    font-family: serif;
}

.testimonial-content p {
    position: relative;
    z-index: 1;
    line-height: 1.8;
    color: #666;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.author-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-color);
}

.author-info p {
    font-size: 14px;
    color: #666;
}

/* 页面头部 */
.page-header {
    background-image: url('https://img.freepik.com/free-photo/jeans-factory-production-line-with-sewing-machines_23-2149352633.jpg');
    background-size: cover;
    background-position: center;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 70px;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(0, 78, 152, 0.8) 100%);
}

.page-title {
    position: relative;
    z-index: 1;
    color: var(--light-text);
    text-align: center;
}

.page-title h1 {
    font-size: 40px;
    margin-bottom: 15px;
    opacity: 0;
    animation: fadeInUp 0.5s 0.2s forwards;
}

.page-title p {
    font-size: 18px;
    opacity: 0;
    animation: fadeInUp 0.5s 0.4s forwards;
}

/* 关于页面样式 */
.about-section {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
}

.about-content {
    margin-bottom: 50px;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 20px;
    color: #666;
}

.about-image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.about-image-gallery .gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 250px;
}

.about-image-gallery .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image-gallery .gallery-item:hover img {
    transform: scale(1.1);
}

.about-mission-vision {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.mission-vision-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.mission-vision-item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    z-index: -1;
    transition: var(--transition);
    opacity: 0.05;
}

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

.mission-vision-item:hover::before {
    height: 100%;
}

.mission-vision-item .icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.mission-vision-item h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.mission-vision-item p {
    line-height: 1.8;
    color: #666;
    margin-bottom: 15px;
}

/* 公司价值观部分 */
.company-values {
    padding: 100px 0;
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.company-values::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(58, 110, 165, 0.05) 0%, rgba(58, 110, 165, 0) 70%);
    top: -200px;
    right: -200px;
}

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

.value-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    z-index: -1;
    transition: var(--transition);
    opacity: 0.05;
}

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

.value-item:hover::before {
    height: 100%;
}

.value-item .icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.value-item:hover .icon {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.value-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
    transition: var(--transition);
}

.value-item:hover h3 {
    color: var(--secondary-color);
}

.value-item p {
    line-height: 1.8;
    color: #666;
}

/* 团队部分 */
.team-section {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
}

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

.team-member {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-member:hover img {
    transform: scale(1.05);
}

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

.team-member-info h3 {
    font-size: 22px;
    margin-bottom: 5px;
    color: var(--text-color);
}

.team-member-info p {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 500;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.social-links a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 48px;
    }
    
    .advantage-items {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-images, .about-text {
        width: 100%;
        padding: 20px 0;
    }
    
    .about-text {
        margin-top: 30px;
    }
    
    .advantage-items {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .advantage-item {
        padding: 30px 20px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .service-stats {
        gap: 30px;
    }
    
    .stat-item::after {
        height: 40px;
        right: -15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .testimonial-slider {
        justify-content: center;
    }
    
    .testimonial-item {
        max-width: 100%;
        width: 100%;
    }

    .about-mission-vision {
        grid-template-columns: 1fr;
    }
    
    .about-image-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        top: 15px;
        right: 15px;
    }
    
    nav {
        width: 100%;
        height: 0;
        overflow: hidden;
        transition: var(--transition);
    }
    
    nav.active {
        height: auto;
    }
    
    nav ul {
        flex-direction: column;
        padding: 20px 0;
    }
    
    nav ul li {
        margin: 0;
        width: 100%;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 0;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content h2 {
        font-size: 22px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .about-images {
        flex-direction: column;
    }
    
    .about-images img {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .contact-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .contact-btn {
        width: 45px;
        height: 45px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-item {
        width: 45%;
    }
    
    .stat-item::after {
        display: none;
    }

    .page-header {
        height: 250px;
    }
    
    .page-title h1 {
        font-size: 32px;
    }
    
    .about-image-gallery {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 30px;
    }
    
    .hero-content h2 {
        font-size: 18px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .about-text h2, .services h2, .quality-content h2, .advantages h2 {
        font-size: 24px;
    }
    
    .advantage-items {
        grid-template-columns: 1fr;
    }

    .stat-item {
        width: 100%;
        margin-bottom: 20px;
    }

    .page-header {
        height: 200px;
    }
    
    .page-title h1 {
        font-size: 28px;
    }
    
    .mission-vision-item {
        padding: 30px 20px;
    }
} 

/* 微信二维码弹窗 */
.wechat-hover {
    position: relative;
}

.wechat-popup {
    display: none;
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    padding: 18px 20px 14px 20px;
    min-width: 210px;
    z-index: 1001;
    text-align: center;
    animation: fadeInUp 0.3s;
}

.wechat-hover:hover .wechat-popup,
.wechat-hover:focus-within .wechat-popup {
    display: block;
}

.wechat-popup img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(58,110,165,0.10);
}

.wechat-info {
    margin-top: 5px;
}

.wechat-label {
    font-size: 14px;
    color: #888;
    margin-bottom: 2px;
}

.wechat-id {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: bold;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .wechat-popup {
        right: 70px;
        min-width: 160px;
        padding: 10px 8px 8px 8px;
    }
    .wechat-popup img {
        width: 80px;
        height: 80px;
    }
    .wechat-id {
        font-size: 15px;
    }
}