/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    background-color: #f8f8f8;
}

a {
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

a:hover {
    color: #e67817;
}

ul, li {
    list-style: none;
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.clearfix:after {
    content: "";
    display: table;
    clear: both;
}

/* 头部样式 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo img {
    height: 60px;
}

.logo h1 {
    margin-left: 10px;
    font-size: 22px;
    color: #333;
}

.nav ul {
    display: flex;
}

.nav li {
    margin: 0 15px;
    position: relative;
}

.nav li a {
    font-size: 16px;
    font-weight: bold;
    padding: 10px 0;
    display: block;
}

.nav li.active a, .nav li:hover a {
    color: #e67817;
}

/* 轮播图样式 */
.banner {
    margin-top: 80px;
    position: relative;
    height: 500px;
    overflow: hidden;
}

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

/* 主要内容区域 */
.main {
    padding: 50px 0;
}

.section {
    margin-bottom: 60px;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.section-title h2 {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: "";
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: #e67817;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    font-size: 16px;
    color: #666;
    margin-top: 10px;
}

/* 关于我们 */
.about-content {
    display: flex;
    align-items: center;
    margin-top: 40px;
}

.about-img {
    flex: 0 0 45%;
    margin-right: 5%;
}

.about-img img {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 0 0 50%;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
    text-align: justify;
}

/* 服务范围 */
.services-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -15px;
}

.service-item {
    flex: 0 0 calc(33.33% - 30px);
    margin: 15px;
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.service-item:hover .service-img img {
    transform: scale(1.1);
}

.service-info {
    padding: 20px;
}

.service-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.service-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 案例展示 */
.cases-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -15px;
}

.case-item {
    flex: 0 0 calc(33.33% - 30px);
    margin: 15px;
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.case-img {
    height: 250px;
    overflow: hidden;
}

.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(230, 120, 23, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-item:hover .case-img img {
    transform: scale(1.1);
}

.case-overlay h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 10px;
}

.case-overlay p {
    color: #fff;
    font-size: 14px;
    text-align: center;
    padding: 0 20px;
}

/* 新闻资讯 */
.news-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -15px;
}

.news-item {
    flex: 0 0 calc(33.33% - 30px);
    margin: 15px;
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.news-item:hover .news-img img {
    transform: scale(1.1);
}

.news-info {
    padding: 20px;
}

.news-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    height: 50px;
    overflow: hidden;
}

.news-info .date {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.news-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    height: 60px;
    overflow: hidden;
}

.news-info .more {
    display: inline-block;
    margin-top: 15px;
    font-size: 14px;
    color: #e67817;
}

/* 联系我们 */
.contact-box {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.contact-info {
    flex: 0 0 48%;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.contact-item {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.contact-item i {
    font-size: 18px;
    color: #e67817;
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.contact-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.contact-form {
    flex: 0 0 48%;
}

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

.form-group label {
    display: block;
    font-size: 16px;
    margin-bottom: 8px;
    color: #333;
}

.form-control {
    width: 100%;
    height: 45px;
    padding: 0 15px;
    font-size: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
}

textarea.form-control {
    height: 120px;
    padding: 15px;
    resize: none;
}

.form-control:focus {
    border-color: #e67817;
    outline: none;
    box-shadow: 0 0 5px rgba(230, 120, 23, 0.3);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    color: #fff;
    background-color: #e67817;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #d26a10;
}

/* 公司文化 */
.culture-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -15px;
}

.culture-item {
    flex: 0 0 calc(50% - 30px);
    margin: 15px;
    display: flex;
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    flex: 0 0 100px;
    background-color: #e67817;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 36px;
}

.culture-content {
    flex: 1;
    padding: 20px;
}

.culture-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.culture-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 加入我们 */
.join-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.job-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.job-item:last-child {
    border-bottom: none;
}

.job-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.job-title h3 {
    font-size: 20px;
    color: #333;
}

.job-title span {
    font-size: 14px;
    color: #e67817;
}

.job-desc p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.job-desc ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.job-desc ul li {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    list-style-type: disc;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    padding: 50px 0 20px;
    color: #fff;
}

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

.footer-column {
    flex: 0 0 23%;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3:after {
    content: "";
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: #e67817;
    bottom: 0;
    left: 0;
}

.footer-column p {
    font-size: 14px;
    color: #aaa;
    line-height: 1.8;
    margin-bottom: 10px;
}

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

.footer-column ul li a {
    font-size: 14px;
    color: #aaa;
}

.footer-column ul li a:hover {
    color: #e67817;
}

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

.footer-bottom p {
    font-size: 14px;
    color: #aaa;
}

.footer-bottom a {
    color: #aaa;
}

.footer-bottom a:hover {
    color: #e67817;
}

/* 响应式布局 */
@media screen and (max-width: 1200px) {
    .container {
        width: 100%;
    }
}

@media screen and (max-width: 992px) {
    .service-item, .case-item, .news-item {
        flex: 0 0 calc(50% - 30px);
    }
    
    .culture-item {
        flex: 0 0 calc(100% - 30px);
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-img, .about-text {
        flex: 0 0 100%;
        margin-right: 0;
    }
    
    .about-img {
        margin-bottom: 30px;
    }
    
    .contact-box {
        flex-direction: column;
    }
    
    .contact-info, .contact-form {
        flex: 0 0 100%;
    }
    
    .contact-info {
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .service-item, .case-item, .news-item {
        flex: 0 0 calc(100% - 30px);
    }
    
    .footer-top {
        flex-wrap: wrap;
    }
    
    .footer-column {
        flex: 0 0 48%;
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 576px) {
    .footer-column {
        flex: 0 0 100%;
    }
}