/* 全局样式 */
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-top: 0;
}

a {
    color: #1a73e8;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #1557b0;
    text-decoration: none;
}

/* 导航栏样式 */
.navbar {
    margin-bottom: 0;
    background-color: #fff;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    padding: 10px 15px;
}

.logo {
    height: 40px;
}

.navbar-nav > li > a {
    padding: 15px 20px;
    font-size: 16px;
    color: #333;
}

.navbar-nav > li > a:hover,
.navbar-nav > li > a:focus {
    color: #1a73e8;
    background-color: transparent;
}

.navbar-nav > .active > a,
.navbar-nav > .active > a:hover,
.navbar-nav > .active > a:focus {
    color: #1a73e8;
    background-color: transparent;
}

/* 轮播图样式 */
.carousel {
    margin-bottom: 60px;
}

.carousel-inner > .item > img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.carousel-caption {
    bottom: 30%;
    text-align: left;
    padding-left: 5%;
}

.carousel-caption h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.carousel-caption p {
    font-size: 1.5em;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 公司简介样式 */
.company-intro {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.company-intro h2 {
    margin-bottom: 30px;
    color: #202124;
}

.company-intro p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

/* 产品服务样式 */
.products-services {
    padding: 60px 0;
}

.products-services h2 {
    margin-bottom: 50px;
    color: #202124;
}

.service-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 5px;
    transition: all 0.3s;
    height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.service-icon {
    margin-bottom: 20px;
    color: #1a73e8;
}

.service-item h3 {
    margin-bottom: 15px;
    color: #202124;
}

.service-item p {
    flex-grow: 1;
}

.read-more {
    display: inline-block;
    margin-top: 20px;
    color: #1a73e8;
    font-weight: 600;
}

.read-more:hover {
    color: #1557b0;
}

/* 成功案例样式 */
.success-cases {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.success-cases h2 {
    margin-bottom: 50px;
    color: #202124;
}

.case-item {
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    height: 450px;
    display: flex;
    flex-direction: column;
}

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

.case-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-item h3 {
    padding: 20px 20px 10px;
    margin: 0;
    color: #202124;
}

.case-item p {
    padding: 0 20px 20px;
    margin: 0;
    flex-grow: 1;
}

.case-item .read-more {
    margin: 0 20px 20px;
}

/* 合作伙伴样式 */
.partners {
    padding: 60px 0;
    background-color: #fff;
}

.partners h2 {
    margin-bottom: 50px;
    color: #202124;
}

.partner-list {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}

.partner-item {
    width: 200px;
    text-align: center;
    margin-bottom: 30px;
}

.partner-item img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    margin: 0 auto;
}

.partner-item p {
    margin-top: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #202124;
}

/* 新闻资讯样式 */
.news {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.news h2 {
    margin-bottom: 50px;
    color: #202124;
}

.news-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 30px;
}

.news-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background-color: #1a73e8;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    border-radius: 5px;
}

.news-date .day {
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.news-date .month {
    font-size: 14px;
}

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

.news-item h3 a {
    color: #202124;
}

.news-item h3 a:hover {
    color: #1a73e8;
}

/* 联系我们样式 */
.contact {
    padding: 60px 0;
    background-color: #fff;
}

.contact h2 {
    margin-bottom: 50px;
    color: #202124;
}

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

.contact-form label {
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
}

.contact-form input,
.contact-form textarea {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 10px 15px;
    width: 100%;
    font-size: 16px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #1a73e8;
    outline: none;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: #202124;
}

.contact-info ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.contact-info li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.contact-info li i {
    position: absolute;
    left: 0;
    top: 5px;
    color: #1a73e8;
}

.business-hours h3 {
    margin-bottom: 15px;
    color: #202124;
}

/* 页脚样式 */
footer {
    background-color: #202124;
    color: #fff;
    padding: 40px 0 20px;
}

footer h3 {
    margin-bottom: 20px;
    color: #fff;
}

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

footer li {
    margin-bottom: 10px;
}

footer a {
    color: #e8eaed;
}

footer a:hover {
    color: #1a73e8;
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #3c4043;
    text-align: center;
}

/* 懒加载样式 */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #f9f9f9;
    padding: 15px 0;
    margin-bottom: 30px;
}

.breadcrumb > li + li:before {
    content: "/\00a0";
    padding: 0 5px;
    color: #ccc;
}

.breadcrumb > .active {
    color: #777;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-inner > .item > img {
        height: 400px;
    }
    
    .carousel-caption {
        bottom: 20%;
    }
    
    .carousel-caption h1 {
        font-size: 2em;
    }
    
    .carousel-caption p {
        font-size: 1em;
    }
    
    .service-item,
    .case-item {
        margin-bottom: 30px;
    }
    
    .news-item {
        padding-left: 0;
    }
    
    .news-date {
        position: relative;
        margin-bottom: 15px;
    }
    
    .partner-item {
        width: 150px;
    }
    
    .partner-item img {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .carousel-inner > .item > img {
        height: 300px;
    }
    
    .carousel-caption {
        bottom: 10%;
    }
    
    .carousel-caption h1 {
        font-size: 1.5em;
    }
    
    .navbar-brand {
        padding: 5px 15px;
    }
    
    .logo {
        height: 30px;
    }
}