/* 引入思源黑体字体 - 通过HTML的link标签CDN引入 */

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

body {
    font-family: "Noto Sans SC", "Source Han Sans CN", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    width: 100%;
    max-width: 95%;
    margin: 0 auto;
    padding: 0 15px;
}

.ny-container {
    width: 100%;
    max-width: 75%;
    margin: 0 auto;
    padding: 0 15px;
}

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

ul {
    list-style: none;
}

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

.section-title {
    position: relative;
    font-size: 38px;
    font-weight: normal;
    color: #0056b3;
    padding-left: 55px;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 3px;
    background-color: #0056b3;
}

.more-btn {
    display: flex;
    justify-content: flex-end;
    padding: 8px 25px;
    color: #fff;
    border-radius: 5px;
    margin-top: 20px;
    transition: all 0.3s ease;
    width: 100%;
}

.more-btn img {
    width: 150px;
}

.more-btn:hover {
    transform: translateX(10px);
    transition: all 0.3s ease;
}

/* 头部样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo img {
    height: 50px;
}

.main-nav {
    display: flex;
}

.main-nav li {
    /* margin: 0 15px; */
}

.main-nav a {
    position: relative;
    padding: 5px 0;
    font-size: 20px;
    font-weight: bold;
    color: #0056b3;
    padding: 20px 25px;
    transition: all 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: #f00;
    background: linear-gradient(to top, #f2f6fa, #fff);
    border-radius: 5px;
}

.main-nav a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #003d82;
}

.search-lang {
    display: flex;
    align-items: center;
}

.search-icon {
    display: inline-block;
    width: 90px;
    height: auto;
    background: url(../images/search.png) no-repeat center;
    background-size: contain;
    cursor: pointer;
    transition: transform 0.3s ease;
    margin-left: 50px;
}

.search-icon:hover {
    transform: scale(1.1);
}

.lang-switch {
    display: inline-block;
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #0056b3;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 移动端导航菜单 */
.mobile-nav-container {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: top 0.5s ease;
    padding: 80px 20px 20px;
}

.mobile-nav-container.active {
    top: 0;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
}

.mobile-nav li {
    margin: 10px 0;
    text-align: center;
}

.mobile-nav a {
    display: block;
    padding: 10px 0;
    font-size: 18px;
    font-weight: bold;
    color: #0056b3;
    border-bottom: 1px solid #eee;
}

.mobile-nav a.active {
    color: #f00;
}

.mobile-search-lang {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.mobile-search-lang .lang {
    margin-right: 20px;
}

.mobile-search-lang .search-icon {
    margin-left: 0;
    width: 30px;
}

/* 媒体查询 */
@media (max-width: 992px) {
    nav, .search-lang {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .ny-container {
        max-width: 95%;
    }
    
    body.menu-open {
        overflow: hidden;
    }
    
    header {
        padding: 10px 0;
    }
    
    .logo img {
        height: 40px;
    }
}

/* 全屏搜索样式 */
.fullscreen-search {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.97);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: all 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.fullscreen-search.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-overlay {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.search-close {
    position: absolute;
    top: 40px;
    right: 40px;
    width: 40px;
    height: 40px;
    cursor: pointer;
}

.search-close span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
}

.search-close span:first-child {
    transform: rotate(45deg);
}

.search-close span:last-child {
    transform: rotate(-45deg);
}

.search-close:hover span {
    background-color: #ff6b6b;
}

.search-content {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.search-content form {
    position: relative;
    width: 100%;
    margin-bottom: 40px;
}

.search-content input {
    width: 100%;
    height: 80px;
    padding: 15px 30px;
    font-size: 28px;
    color: #fff;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    outline: none;
    transition: all 0.3s ease;
}

.search-content input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-content input:focus {
    border-color: #fff;
}

.search-content button {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 60px;
    padding: 0 30px;
    font-size: 24px;
    color: #0056b3;
    background-color: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-content button:hover {
    background-color: #f2f2f2;
}

.search-keywords {
    margin-top: 40px;
    color: #fff;
}

.search-keywords p {
    display: inline-block;
    font-size: 22px;
    margin-right: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.search-keywords a {
    display: inline-block;
    margin: 10px;
    padding: 8px 20px;
    font-size: 18px;
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.search-keywords a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 轮播图样式 */
.banner {
    position: relative;
    height: calc(100vh - 86px);
    overflow: hidden;
    margin-top: 86px;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
}

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

.slide-content {
    position: absolute;
    top: 70%;
    left: 10%;
    /* transform: translate(-50%, -50%); */
    text-align: left;
    color: #fff;
    z-index: 10;
}

.slide-content::before {
    position: absolute;
    content: "";
    top: 50%;
    left: -45px;
    width: 8px;
    height: 80%;
    transform: translateY(-50%);
    background-color: #fff;
}

.slide-content h2 {
    font-size: 60px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 24px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.swiper-button-next,
.swiper-button-prev {
    width: 54px;
    height: 54px;
    color: #fff !important;
    background-color: #bec1c9 !important;
    border-radius: 50% !important;
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 26px !important;
    
}

.swiper-button-next {
    right: 10% !important;
    top: 90% !important;
}

.swiper-button-prev {
    left: 83% !important;
    top: 90% !important;
}

.swiper-pagination-bullets {
    bottom: 50px !important;
}

.swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    border-radius: 4px !important;
}

.swiper-pagination-bullet-active {
    background: #fff;
    width: 253px;
    border-radius: 4px !important;
}

/* 关于三洋部分 */
.about-section {
    padding: 60px 0;
    margin: 60px 0;
    background-image: url(../images/banner-about.png);
    background-size: 77% 100%;
    background-position: right;
    background-repeat: no-repeat;
}

.about-content {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: center;
}

.about-text {
    flex: 0 0 55%;
    padding-right: 30px;
}

.about-text h3 {
    font-size: 48px;
    font-weight: normal;
    color: #000;
}

.about-text h4 {
    font-size: 38px;
    margin-bottom: 20px;
    color: #626262;
    font-weight: normal;
}

.about-text p {
    font-size: 22px;
    margin-bottom: 15px;
    line-height: 1.8;
    color: #626262;
}

.about-image {
    flex: 0 0 40%;
}

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

/* 产品部分 */
.products-section {
    position: relative;
    padding: 250px 0;
    background-image: url(../images/index-pro-bj.png);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.products-section::before {
    content: "";
    position: absolute;
    bottom: 150px;
    left: 0;
    right: 0;
    height: 500px;
    background-image: url(../images/index-prolist-bj.png);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.product-title {
    margin-left: 5%;
}

.product-category {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.product-category h3 {
    font-size: 42px;
    color: #000;
    font-weight: normal;
}

.product-category .more-btn2 {
    font-size: 28px;
    font-weight: normal;
    letter-spacing: 5px;
    padding: 10px 50px;
    background-color: #0056b3;
    color: #fff;
    border-radius: 20px;
}

.product-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.product-item {
    flex: 0 0 31%;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: 5px;
    overflow: hidden;
    z-index: 1;
}

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

.product-image {
    height: 576px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
}

.product-image img {
    width: 400px;
    height: 400px;
    object-fit: cover;
    transition: all 0.5s ease;
}

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

.product-info {
    padding: 15px 50px;
    background-color: #edf2f6;
}

.product-info h4 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #535353;
    text-align: center;
    font-weight: 600;
}

.product-info p {
    font-size: 18px;
    color: #666;
    margin-bottom: 5px;
    white-space: 20px;
    text-indent: 2em;
}

/* 优势部分 */
.advantages-section {
    padding: 200px 0;
    background-color: #f7f7f7;
}

.advantages-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
}

.advantages-text {
    flex: 0 0 55%;
    padding-right: 30px;
}

.advantages-text h3 {
    font-size: 42px;
    color: #000;
    font-weight: normal;
}

.advantages-list {
    padding-top: 50px;
    padding-left: 45px;
    padding-bottom: 50px;
}

.advantages-text a {
    font-size: 18px;
    letter-spacing: 5px;
    color: #000;
    font-weight: normal;
    padding: 10px 50px;
    background-color: #0056b3;
    color: #fff;
    border-radius: 20px;
    margin-top: 50px;
}

.advantages-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.advantages-list .num {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: #0056b3;
    color: #fff;
    border-radius: 50%;
    margin-right: 15px;
    font-weight: bold;
}

.advantages-list p {
    flex: 1;
    padding-top: 10px;
}

.advantages-image {
    flex: 0 0 40%;
}

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

/* 合作共赢部分 */
.cooperation-section {
    padding: 260px 0;
    background: url(../images/index-gy.png) no-repeat center;
    background-size: cover;
    color: #fff;
    text-align: center;
    position: relative;
}

.cooperation-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cooperation-section .container {
    position: relative;
    z-index: 1;
}

.cooperation-title {
    font-size: 48px;
    margin-bottom: 20px;
}

.cooperation-desc {
    font-size: 32px;
    max-width: 1600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 新闻资讯部分 */
.news-section {
    padding: 220px 0;
    background-image: url(../images/index-news-bj.png);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.news-section .section-title {
    margin-bottom: 100px;
}

/* 新闻轮播样式 */
.newsSwiper {
    padding: 20px 40px;
    position: relative;
}

.news-item {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    height: 280px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin: 10px;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: transparent;
}



.news-content h3 {
    width: 80%;
    font-size: 32px;
    margin-bottom: 15px;
    color: #626262;
    white-space: nowrap;    /* 不换行 */
    overflow: hidden;       /* 超出容器的部分隐藏 */
    text-overflow: ellipsis; /* 超出的部分用省略号表示 */
}

.news-content::after {
    content: "";
    position: absolute;
    right: 30px;
    top: 35px;
    width: 80px;
    height: 45px;
    background-image: url(../images/index-news-icon.png);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.news-content p {
    font-size: 18px;
    color: #979797;
    margin-bottom: 20px;
    line-height: 1.8;
    

}

.news-date {
    font-size: 22px;
    color: #045998;
    display: inline-block;
    position: absolute;
    bottom: 30px;
    left: 30px;
}

.news-more {
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 36px;
    height: 36px;
    background: url(../images/index-news-share-icon.png) no-repeat center;
    background-size: contain;
    transition: all 0.3s ease;
}

.news-more:hover {
    transform: translateX(5px);
}

/* 新闻轮播导航按钮 */
.news-button-next,
.news-button-prev {
    width: 44px;
    height: 44px;
    color: #0056b3 !important;
    background-color: #fff !important;
    border-radius: 50% !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.news-button-next::after,
.news-button-prev::after {
    font-size: 20px !important;
}

/* 新闻分页器样式 */
.news-pagination.swiper-pagination-bullets {
    bottom: -40px !important;
}

.news-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: rgba(0, 86, 179, 0.3);
    opacity: 1;
}

.news-pagination .swiper-pagination-bullet-active {
    background: #0056b3;
    width: 30px;
    border-radius: 5px !important;
}

/* 页脚部分 */
footer {
    color: #fff;
    padding: 60px 0 20px;
    background-image: url(../images/index-foot-bj.png);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 100px 5%;
}

.footer-col1 {
    flex: 0 0 30% !important;
}

.footer-col {
    flex: 0 0 14%;
}

.footer-col h3 {
    font-size: 32px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: #0056b3;
}

.footer-col p {
    margin-bottom: 10px;
    font-size: 22px;
    color: #ccc;
    margin-top: 20px;
}

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

.footer-col ul li a {
    color: #fff;
    font-size: 22px;
    opacity: 0.8;
}

.footer-col ul li a:hover {
    color: #0056b3;
}

.copyright {
    display: flex;
    justify-content: space-between;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #022540;
    font-size: 12px;
    color: #999;
}

.copyright p {
    font-size: 22px;
}

.copyright a {
    color: #999;
}

/* 响应式设计 */
@media screen and (max-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    .slide-content h2 {
        font-size: 50px;
    }
    
    .slide-content p {
        font-size: 20px;
    }
    
    .about-text h3 {
        font-size: 46px;
    }
    
    .about-text h4 {
        font-size: 36px;
    }
    
    .about-text p {
        font-size: 18px;
    }
    
    .product-category h3 {
        font-size: 36px;
    }
    
    .product-category .more-btn2 {
        font-size: 24px;
        padding: 8px 40px;
    }
    
    .news-content h3 {
        font-size: 28px;
    }
    
    .news-content p {
        font-size: 16px;
    }
    
    .cooperation-title {
        font-size: 42px;
    }
    
    .cooperation-desc {
        font-size: 26px;
    }

    .footer-content {
        padding: 80px 5%;
    }
}

@media screen and (max-width: 1280px) {
    .main-nav a {
        font-size: 18px;
        padding: 15px 20px;
    }
    
    .banner {
        height: 500px;
    }
    
    .search-icon {
        width: 70px;
        margin-left: 30px;
    }
    
    .products-section {
        padding: 180px 0;
    }
    
    .advantages-section {
        padding: 150px 0;
    }
    
    .news-section {
        padding: 180px 0;
    }
    
    .newsSwiper .swiper-slide {
        width: 45%;
    }
    
    .product-image {
        height: 450px;
    }
    
    .product-image img {
        width: 300px;
        height: 300px;
    }
    
    .product-info h4 {
        font-size: 24px;
    }
    
    .product-info p {
        font-size: 16px;
    }
    
    .footer-col h3 {
        font-size: 26px;
    }
    
    .footer-col p, .footer-col ul li a {
        font-size: 18px;
    }
}

@media screen and (max-width: 992px) {
    .container {
        padding: 0 25px;
    }

    .slide-content {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
    }

    .slide-content::before {
        display: none;
    }

    .swiper-button-prev {
        left: auto !important;
        right: 25% !important;
    }
    
    .logo img {
        height: 40px;
    }
    
    .main-nav a {
        font-size: 16px;
        padding: 12px 15px;
    }
    
    .search-icon {
        width: 60px;
        margin-left: 20px;
    }
    
    .banner {
        height: 450px;
        margin-top: 60px;
    }
    
    .slide-content h2 {
        font-size: 40px;
    }
    
    .slide-content p {
        font-size: 18px;
    }
    
    .about-section {
        margin: 0 0 30px 0;
        padding: 50px 0;
    }

    .more-btn img {
        width: 40px;
    }
    
    .about-content {
        flex-direction: column-reverse;
    }
    
    .about-text, .advantages-text {
        flex: 0 0 100%;
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .about-image, .advantages-image {
        flex: 0 0 100%;
        margin-top: 30px;
    }
    
    .about-text h3 {
        font-size: 38px;
    }
    
    .about-text h4 {
        font-size: 32px;
    }
    
    .about-text p {
        font-size: 16px;
    }
    
    .products-section {
        padding: 30px 0;
    }
    
    .products-section::before {
        height: 400px;
    }
    
    .product-title {
        margin-left: 0;
    }
    
    .product-category {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .product-category h3 {
        margin-bottom: 15px;
    }
    
    .product-list {
        justify-content: space-around;
    }
    
    .product-item {
        flex: 0 0 48%;
    }
    
    .product-image {
        height: 350px;
    }
    
    .product-image img {
        width: 250px;
        height: 250px;
    }
    
    .advantages-section {
        padding: 120px 0;
    }
    
    .advantages-content {
        flex-direction: column;
    }
    
    .news-section {
        padding: 150px 0;
    }
    
    .news-content h3 {
        font-size: 24px;
    }
    
    .news-date {
        font-size: 18px;
    }
    
    .cooperation-section {
        padding: 200px 0;
    }
    
    .cooperation-title {
        font-size: 36px;
    }
    
    .cooperation-desc {
        font-size: 22px;
    }
    
    .newsSwiper .swiper-slide {
        width: 100%;
    }
    
    .footer-content {
        padding: 80px 0;
    }
    
    .footer-col {
        flex: 0 0 30%;
        margin-bottom: 30px;
    }
    
    .footer-col:first-child {
        flex: 0 0 100%;
        margin-bottom: 40px;
    }
    
    .copyright {
        flex-direction: column;
    }
    
    .copyright p {
        font-size: 18px;
    }
    
    .copyright-right {
        margin-top: 10px;
    }

    .news-content::after {
        width: 35px;
        height: 25px;
    }

    .news-section .section-title {
        margin-bottom: 40px;
    }

    .news-section {
        padding: 50px 0;
    }

    .footer {
        background-size: cover;
    }

    .footer-content .footer-col {
        flex: 0 0 45%!important;
    }
    
    .footer-content .footer-col1 {
        flex: 0 0 100% !important;
    }

}

@media screen and (max-width: 768px) {
    header .container {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .logo {
        flex: 0 0 70%;
    }
    
    .search-lang {
        flex: 0 0 25%;
        justify-content: flex-end;
    }
    
    nav {
        flex: 0 0 100%;
        margin-top: 15px;
    }
    
    .main-nav {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 5px;
    }
    
    .main-nav li {
        display: inline-block;
    }
    
    .main-nav a {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .search-icon {
        width: 50px;
        margin-left: 10px;
    }
    
    .banner {
        height: 350px;
        margin-top: 60px;
    }
    
    .section-title {
        font-size: 30px;
        padding-left: 40px;
    }
    
    .section-title::after {
        width: 30px;
    }
    
    .slide-content::before {
        left: -25px;
        width: 5px;
    }
    
    .slide-content h2 {
        font-size: 30px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .about-section {
        background-image: none;
        background-color: #f7f7f7;
    }
    
    .about-text h3 {
        font-size: 30px;
    }
    
    .about-text h4 {
        font-size: 24px;
    }
    
    .product-item {
        flex: 0 0 100%;
    }
    
    .product-category h3 {
        font-size: 28px;
    }
    
    .product-category .more-btn2 {
        font-size: 18px;
        padding: 6px 30px;
    }
    
    .product-image {
        height: 300px;
    }
    
    .product-image img {
        width: 200px;
        height: 200px;
    }
    
    .product-info {
        padding: 15px 20px;
    }
    
    .product-info h4 {
        font-size: 20px;
    }
    
    .product-info p {
        font-size: 14px;
    }
    
    .advantages-list {
        padding-left: 20px;
    }
    
    .advantages-text h3 {
        font-size: 28px;
    }
    
    .advantages-list p {
        font-size: 14px;
    }
    
    .advantages-text a {
        font-size: 16px;
        padding: 8px 30px;
    }
    
    .cooperation-section {
        padding: 150px 0;
    }
    
    .cooperation-title {
        font-size: 30px;
    }
    
    .cooperation-desc {
        font-size: 18px;
    }
    
    .news-item {
        height: auto;
        min-height: 250px;
    }
    
    .news-content h3 {
        font-size: 20px;
    }
    
    .news-content p {
        font-size: 14px;
    }
    
    .news-date {
        font-size: 16px;
    }
    
    .footer-col {
        flex: 0 0 100%;
    }
    
    .footer-col h3 {
        font-size: 22px;
    }
    
    .footer-col p, .footer-col ul li a {
        font-size: 16px;
    }
    
    .search-content input {
        height: 60px;
        font-size: 20px;
    }
    
    .search-content button {
        height: 46px;
        font-size: 18px;
        padding: 0 20px;
    }
    
    .search-close {
        top: 20px;
        right: 20px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo img {
        height: 35px;
    }
    
    .search-icon {
        width: 40px;
        margin-left: 5px;
    }
    
    .banner {
        height: 300px;
        margin-top: 60px;
    }
    
    .section-title {
        font-size: 24px;
        padding-left: 30px;
    }
    
    .section-title::after {
        width: 20px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 14px;
    }
    
    .about-text h3 {
        font-size: 24px;
    }
    
    .about-text h4 {
        font-size: 20px;
    }
    
    .about-text p {
        font-size: 14px;
    }
    
    .product-category h3 {
        font-size: 22px;
    }
    
    .product-category .more-btn2 {
        font-size: 16px;
        padding: 5px 20px;
    }
    
    .cooperation-title {
        font-size: 24px;
    }
    
    .cooperation-desc {
        font-size: 16px;
    }
    
    .footer-content {
        padding: 50px 0;
    }
    
    .copyright p {
        font-size: 14px;
    }
    
    .swiper-button-next,
    .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .swiper-button-next::after,
    .swiper-button-prev::after {
        font-size: 18px !important;
    }
}