* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

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

.container {
    width: 1440px;
    margin: 0 auto;
    padding: 0 15px;
}

.container1 {
    width: 100%;
    margin: 0 auto;
    padding: 0 78px 0 98px;
}

/* 导航栏 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-bg {
    position: relative;
    width: 100%;
    height: 24px;
    background: #313332;
}

.switch {
    position: absolute;
    right: 78px;
    height: 24px;
    display: flex;
    align-items: center;
}

.s-txt {
    margin-left: 4px;
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
}

.nav {
    position: relative;
    display: flex;
    align-items: center;
    height: 80px;
}

.opt {
    display: flex;
    align-items: center;
    position: absolute;
    right: 0;
}

.opt img {
    margin-left: 24px;
    width: 32px;
    height: 32px;
}

.logo img {
    width: 146px;
    height: 48px;
}

.nav-menu {
    margin-left: 166px;
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 80px;
}

.nav-menu a {
    text-decoration: none;
    font-weight: 400;
    font-size: 20px;
    color: #313332;
    padding: 10px 0;
    position: relative;
}

.nav-menu a:hover {
    color: #2ecc71;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2ecc71;
    transition: width 0.3s;
}

.nav-menu a:hover:after {
    width: 100%;
}

/* 主视觉区 */
.banner {
    width: 100%;
    overflow: hidden;
    position: relative;
    justify-content: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
}

.banner img {
    width: 100%;
    height: auto;
    display: block;
}

.kefu {
    position: fixed;
    right: 0;
    bottom: 200px;
    width: 64px;
    height: 64px;
    background: #0AD69E;
    border-radius: 10px 0px 0px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kefu img {
    width: 48px;
    height: 48px;
}

.banner-content {
    width: 100%;
}

.banner h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.banner p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #2ecc71;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #27ae60;
}

/* 关于我们 */
.about {
    padding: 60px 0;
    background-color: #f9f9f9;
}

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

.section-title h2 {
    font-weight: 500;
    font-size: 48px;
    color: #313332;
}

.section-title p {
    font-weight: 400;
    font-size: 16px;
    color: #BBBBBB;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
    width: 688px;
}

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

.about-text p {
    font-weight: 400;
    font-size: 15px;
    color: #737877;
    line-height: 24px;
}

.about-text p:not(:last-child) {
    margin-bottom: 40px;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
}

.about-solo {
    width: 688px;
    height: 172px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-solo img {
    height: 152px;
    display: block;
}

.about-blank {
    width: 55px;
}

.m28 {
    margin-top: 30px;
}

.about-text2 {
    height: 152rpx;
}

.about-text2 p {
    font-weight: 400;
    font-size: 15px;
    color: #737877;
    line-height: 24px;
}

.about-text2 p:not(:last-child) {
    margin-bottom: 40px;
}

.about-image img {
    width: 688px;
    height: 356px;
    display: block;
}

/* 产品展示 */
.products {
    padding: 60px 0;
    height: 758px;
    background: url("../images/product.png");
    background-size: cover;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    width: 342px;
    height: 378px;
    background: #FFFFFF;
    border-radius: 24px;
    transition: transform 0.5s;
    font-weight: 400;
    font-size: 20px;
    color: #313332;
    padding: 24px 24px 32px 24px;
}

.product-card:hover {
    transform: translateY(-16px);
    background: linear-gradient(180deg, #C0FCEC 0%, #E5FCF6 33%, #FFFFFF 63%, #FFFFFF 100%);
    box-shadow: 0px 3px 16px 1px rgba(8, 51, 39, 0.16);
    border-radius: 24px 24px 24px 24px;
    border: 2px solid #FFFFFF;
    font-weight: 500;
    font-size: 20px;
    color: #0AD69E;
}

.p-title {
    margin-top: 32rpx;
}

.product-img {
    width: 294px;
    height: 270px;
}

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

.product-info {
    padding: 15px;
    text-align: center;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

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

/* 成功案例 */
.cases {
    padding-top: 68px;
    height: 796px;
    background: url("../images/case.png");
    background-size: cover;
}

.case-list {
    margin-top: 50px;
}

.case-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

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

.case-content {
    padding: 20px;
}

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

.case-content p {
    font-size: 14px;
    color: #666;
}

/* 新闻动态 */
.news {
    padding-top: 68px;
    height: 866px;
    background: url("../images/news.png");
    background-size: cover;
}

.news-list {
    display: flex
}

.new-left {
    width: 688px;
    display: flex;
    flex-direction: column;
}

.new-left img {
    width: 688px;
    height: 356px;
    margin-bottom: 44px;
}

.new-right {
    margin-left: 60px;
    width: 688px;
}

.new-item {
    display: flex;
}

.item-left {

    display: flex;
    flex-direction: column;
    align-items: center;
}

.date {
    font-weight: 400;
    font-size: 44px;
    color: #727776;
}

.month {
    width: 98px;
    font-weight: 400;
    font-size: 24px;
    color: #727776;
}

.item-right {
    margin-left: 40px;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-weight: bold;
    font-size: 20px;
    color: #313332;

}
.new-item:hover .news-title a {
    color: #2ecc71;
}

.news-content {
    margin-top: 15px;
    font-weight: 400;
    font-size: 16px;
    color: #727776!important;
    line-height: 28px;
}
.news-content a{
    color: #727776!important;
}

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

.footer-content {
    display: flex;
    margin-bottom: 40px;
}

.footer-column h3 {
    margin-bottom: 20px;
    margin-right: 100px;
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 24px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    font-weight: 400;
    font-size: 14px;
    color: #737877;
    line-height: 24px;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2ecc71;
}

.news-title a:hover {
    color: #2ecc71;
}


.contact-info {
    color: #ccc;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info p {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
}

.contact-info p img {
    margin-right: 10px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #999;
}

.white {
    color: white !important;
}

.mt40 {
    margin-top: 80px;
}

.line {
    margin: 52px 0;
    width: 688px;
    height: 1px;
    background: #EFEFEF;
}

.s-t1 {
    font-weight: 400;
    font-size: 14px;
    color: #737877;
    line-height: 24px;
}

.s-t2 {
    font-weight: 400;
    font-size: 24px;
    color: #939997;
    line-height: 24px;
}

.s-t3 {
    font-weight: 400;
    font-size: 16px;
    color: #737877;
    line-height: 24px;
}

.gzh {
    margin-left: 50px;
    margin-top: 25px;
}

.article-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 1440px;
    margin: 0 auto;
    padding: 80px 0;
}

.article-title {
    font-weight: 500;
    font-size: 32px;
    color: #313332;
    line-height: 48px;
}

.article-desc {
    margin-top: 24px;
    display: flex;
    font-weight: 400;
    font-size: 20px;
    color: #737877;
    line-height: 48px;
}

.article-desc .article-time {
    margin: 0 80px;
}

.article-content {
    width: 1440px;
    margin-top: 30px;
    font-weight: 400;
    font-size: 20px;
    color: #737877;
    line-height: 36px;
}