/* 重置样式 */


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a{ cursor: pointer; color: #333; text-decoration: none; }
a:hover{ color: #DA2720; }

table{
    width: 100%;
    border-collapse: collapse;
    border: 0;
    margin-bottom: 20px;
   
}
table th{
    border: 0;
    padding: 10px;
    background-color: #f0f0f0;
}
table td{
    border: 0;
    padding: 10px;
    text-align: center;
    vertical-align: top;
    background-color:none;
}
table td img{
    width: 100%!important;
    height: auto;
}


body {
    font-family: 'materialdesignicons', sans-serif;
    background-color: #fff;
    color: #333;
    overflow-x: hidden;
}

/* 横幅样式 */
.top {
    background-color: #000;
    height: 100px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #DB261F;
}

.top-container {
    max-width: 1200px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0px;
    position: relative;
    margin: 0 auto;
}

/* 手机版菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}
.mobile-menu-btn i{
    font-size: 20px;
    color: white;
}

.mobile-menu-btn i:nth-child(1){
    display: block;
}

.mobile-menu-btn.active i:nth-child(1){
    display: none;
}


.mobile-menu-btn i:nth-child(2){
    display: none;
}

.mobile-menu-btn.active i:nth-child(1){
    display: none;
}

.mobile-menu-btn.active i:nth-child(2){
    display: block;
}


.hamburger-line {
    width: 20px;
    height: 2px;
    background-color: white;
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 手机版导航菜单 */
.mobile-nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-menu.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav-item { width: 100%; }
.mobile-has-sub { display: flex; align-items: center; justify-content: center; gap: 8px; }
.mobile-arrow { display: inline-block; font-weight: bold; }
.mobile-submenu { display: none; flex-direction: column; gap: 12px; margin-top: 8px; align-items: center; justify-content: center; }
.mobile-submenu.open { display: flex; }
.mobile-submenu-link { color: #fff; text-decoration: none; font-size: 1rem; opacity: 0.9; }
.mobile-submenu-link:hover { color: #dc143c; }

.mobile-nav-link {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    padding: 10px 20px;
    border-radius: 5px;
}

.mobile-nav-link:hover {
    color: #dc143c;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Logo区域样式 */
.logo-section {
    display: flex;
    align-items: center;
    background-color: #dc143c; /* 红色背景 */
    height: 100%;
    position: relative;
    flex-shrink: 0;
}

.logo-section::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 0;
    width: 10px;
    height: 100%;
    background-color: #000;
}

.logo-img {
    width: auto;
}

.logo-text {
    display: flex;
    align-items: baseline;
    color: white;
}

.logo-main {
    font-size: 32px;
    font-weight: bold;
    letter-spacing: -1px;
    margin-right: 2px;
}

.trademark {
    font-size: 12px;
    vertical-align: top;
    margin-right: 8px;
}

.logo-sub {
    font-size: 18px;
    font-weight: normal;
    letter-spacing: 1px;
}

/* 社交媒体图标区域 */
.social-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-right: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid white;
    border-radius: 4px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: white;
    color: #000;
    transform: translateY(-2px);
}

.social-link i {
    font-size: 18px;
}

.language-box,.language-box a{
    display: flex;
    align-items: center;
    text-transform: uppercase;
    color: white;
   
}
.language-box{
    justify-content: right;
    padding-bottom: 10px;
    gap: 10px;
}
.language-box a img{
    margin-right: 5px;
}

/* 英雄区域样式 */
.hero-section {
    position: relative;
    height: calc(100vh - 130px);
    width: 100%;
}

/* Swiper容器样式 */
.hero-swiper {
    width: 100%;
    height: 100%;
}

.hero-slide {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.page-hero-section {
    position: relative;
    width: 100%;
}
.page-section-img {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-section-img img{
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* 联系页面样式 */
.contact-page {
    padding: 80px 20px;
    background-color: #fff;
}

.contact-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 60px;
    gap: 60px;
}

.contact-left {
    flex: 1;
}

.contact-right {
    flex: 1;
}

.contact-title-section {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin: 0;
    line-height: 1;
    background-color: white;
    padding: 20px 30px;
    border-radius: 8px;
    position: relative;
    padding-left: 50px;
}

.contact-title::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 30px;
    background-color: #999;
}

.contact-intro {
    margin-bottom: 0;
}

.contact-description {
    font-size: 1rem;
    line-height: 1.8;
    color: #666;
    margin: 0;
    text-align: left;
}

/* 联系信息样式 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    font-size: 18px;
    color: #333;
    width: 20px;
    text-align: center;
}

.contact-text {
    font-size: 1rem;
    color: #333;
    font-weight: 500;
}

/* 联系表单样式 */
.contact-form-section {
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.9rem;
    color: #666;
    letter-spacing: 0.5px;
}

.form-input,
.form-textarea {
    padding: 12px 15px;
    border: 1px solid #F5F5F5;
    font-size: 1rem;
    color: #333;
    background-color: #F5F5F5;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: #C0251B;
    background-color: #fff;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.form-submit {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.submit-btn {
    background-color: #C0251B;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background-color: #C0251B;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(220, 20, 60, 0.3);
}

/* About Us 介绍页面样式 */
.about-content-outer{ 
    background: url(../images/about-bg.jpg) center bottom no-repeat ;
    background-size: 100% auto;
}
.about-intro-section {
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.about-intro-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40%;
    height: 60%;
    background-image: url('../images/crane-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.1;
    z-index: 1;
}

.about-intro-header {
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.about-intro-title {
    text-transform: uppercase;
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin: 0;
    line-height: 1.2;
}

.about-intro-title span {
    color: #727171;
    margin: 0;
    line-height: 1.2;
}



.about-intro-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    position: relative;
    z-index: 2;
}

.about-images {
    flex: 0 0 400px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-image-item {
    width: 100%;
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.about-image-item:hover .about-img {
    transform: scale(1.05);
}

.about-text-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.company-description {
    margin-bottom: 20px;
}

.description-text {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
    margin: 0;
    text-align: left;
}

.product-divisions {
    margin-bottom: 20px;
    max-width: 450px;
    margin: auto;
}

.divisions-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin: 0 0 15px 0;
}

.divisions-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.division-item {
    font-size: 1rem;
    color: #333;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.division-item::before {
    content: '-';
    position: absolute;
    left: 0;
    color: #C0251B;
    font-weight: bold;
}

.more-button-section {
    margin-top: 20px;
    max-width: 450px;
    margin: auto;
}

.more-btn {
    background-color: #C0251B;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.more-btn:hover {
    background-color: #a01e16;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(192, 37, 27, 0.3);
}

/* 钢丝绳产品展示模块样式 */
.wire-rope-section {
    padding: 80px 20px;
    background-color: #DCDDDD;
}

.wire-rope-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.product-list {
    flex: 0 0 300px;
}

.rope-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rope-item {
    font-size: 1rem;
    color: #727171;
    margin-left: 15px;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    font-weight: 500;
    line-height: 1.4;
}

.rope-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: #C0251B;
    border-radius: 50%;
}

.rope-item a{
    color: #727171;
    text-decoration: none;
}
.rope-item.active a{ color:#C0251B }



.rope-images {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.image-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.rope-image-item {
    width: 100%;
    overflow: hidden;
}

.rope-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.rope-image-item:hover .rope-img {
    transform: scale(1.05);
}

.image-descriptions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.desc-item {
    text-align: center;
}

.desc-text {
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
}


/* 英雄区域遮罩层 */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 英雄内容区域 */
.hero-content {
    text-align: center;
    z-index: 2;
}

.hero-text {
    color: white;
    font-size: 3.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin: 15px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
}

.hero-text:nth-child(1) { animation-delay: 0.2s; }
.hero-text:nth-child(2) { animation-delay: 0.4s; }
.hero-text:nth-child(3) { animation-delay: 0.6s; }
.hero-text:nth-child(4) { animation-delay: 0.8s; }

/* Swiper导航箭头样式 */
.hero-nav-next,
.hero-nav-prev {
    color: white !important;
    font-size: 24px !important;
    width: 50px !important;
    height: 50px !important;
    margin-top: -25px !important;
    background: rgba(0, 0, 0, 0.5) !important;
    border-radius: 50% !important;
    transition: all 0.3s ease !important;
}

.hero-nav-next:hover,
.hero-nav-prev:hover {
    background: rgba(220, 20, 60, 0.8) !important;
    transform: scale(1.1) !important;
}

.hero-nav-next::after,
.hero-nav-prev::after {
    font-size: 18px !important;
    font-weight: bold !important;
}

/* 底部导航栏样式 */
.bottom-nav {
    position: absolute;
    bottom: -30px;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 10;
    display: flex;
    align-items: center;
}

.nav-container {
    height: 80px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 0px;
    background: #BF251B;
}

/* 桌面版导航 */
.desktop-nav {
    display: flex;
    align-items: center;
    flex: 1;
}

/* HOME项特殊样式 */



/* 导航项样式 */
.nav-item {
    height: 80px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #2c2c2c;
    min-width: 300px;
    padding: 20px;
    display: none;
    flex-direction: row;
    gap: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    border-radius: 0 0 8px 8px;
}

.dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dropdown-item {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 0;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 20px;
}

.dropdown-item::before {
    content: '>';
    position: absolute;
    left: 0;
    color: white;
    font-weight: bold;
}

.dropdown-item:hover {
    color: #dc143c;
    transform: translateX(5px);
}

/* 下拉箭头样式 */
.dropdown-arrow {
    font-size: 10px;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}


.nav-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
   
    align-items: center;
    transition: all 0.3s ease;
    padding: 0px 25px;
    height: 80px;
    line-height: 80px;
}
.nav-item .nav-link.active {
    background-color: #000;
}

.nav-link:hover {
    color: #ffcc00;
    transform: translateY(-2px);
}

.nav-link span {
    margin-bottom: 5px;
}

.nav-link i {
    font-size: 10px;
    opacity: 0.8;
}

/* 搜索框样式 */
.nav-search {
    margin-left: auto;
    margin-right: 20px;
    flex-shrink: 0;
}

.search-container {
    display: flex;
    align-items: center;
    background-color: #DF908B;
    overflow: hidden;
    transition: all 0.3s ease;
    color: #fff;
}

.search-container:hover {
    border-color: #ffcc00;
}

.search-input {
    background-color: #DF908B;
    border: none;
    outline: none;
    padding: 8px 12px;
    font-size: 14px;
    color: #fff;
    width: 200px;
    height: 36px;
}

.search-input::placeholder {
    color: #fff;
    font-style: italic;
}

.search-button {
    background-color: transparent;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.search-button i {
    color: white;
    font-size: 16px;
}

/* 主要内容区域 */
.main-content {
    padding: 60px 20px;
    text-align: center;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.main-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.main-content p {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
}

/* About Us 模块样式 */
.about-section {
    padding: 80px 20px;
    background-color: #fff;
}

.about-header {
    display: flex;
    align-items: flex-start;
    align-items: center;
    margin-bottom: 60px;
    gap: 40px;
}

.about-title-section {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.about-title {
    font-size: 3rem;
    font-weight: bold;
    color: #dc143c;
    margin: 0;
    line-height: 1;
}

.title-divider {
    width: 2px;
    height: 60px;
    background-color: #000;
}

.about-content {
    flex: 1;
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
    margin: 0;
    text-align: left;
}

/* 产品网格样式 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background-color: #fff;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-title-bar {
    background-color: #dc143c;
    padding: 15px 20px;
    text-align: center;
}

.product-title-bar h3 {
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.product-description {
    padding: 20px 0px;
}

.product-description p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #333;
    margin: 0 0 35px 0;
}

.description-divider {
    width: 100%;
    height: 1px;
    background-color: #333;
    
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* 页脚样式 */
.footer {
    background-color: #2c2c2c;
    color: white;
    padding: 60px 0 20px;
    position: relative;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
    font-family: serif;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-content p,.footer-content a {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: white;
}
.footer-content a i{
    color: white;
}



/* 联系方式样式 */
.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.contact-item i {
    font-size: 16px;
    width: 16px;
    text-align: center;
}

.contact-item span {
    font-size: 0.95rem;
}

/* 社交媒体图标 */
.social-icons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #404040;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #dc143c;
    transform: translateY(-2px);
}

.social-icon i {
    font-size: 16px;
}

/* 邮件订阅样式 */
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.email-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.email-icon {
    position: absolute;
    left: 0px;
    font-size: 1.4rem!important;
    color: white;
    z-index: 2;
}

.email-input {
    width: 100%;
    padding: 12px 12px 12px 25px;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid white;
    color: white;
    font-size: 0.95rem;
    outline: none;
}

.email-input::placeholder {
    color: white;
    opacity: 0.8;
}

.subscribe-btn {
    background-color: #C0251B;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.subscribe-btn:hover {
    background-color: #C0251B;
    transform: translateY(-2px);
}

/* 页脚底部样式 */
.footer-bottom {
    padding-top: 20px;
    margin: 0 0px;
    padding: 20px;
    color: #767676;
    background-color: #1B1B1B;
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0px;
}

.copyright p {
    margin: 0;
    font-size: 0.9rem;
    color: #767676;
}

.footer-nav {
    display: flex;
    gap: 20px;
    color:#767676
}

.footer-link {
    color: #767676;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #dc143c;
}
.bottom-pic{width: 100%;}
.bottom-pic img{max-width: 100%; margin: 0px auto 100px auto; display: block;}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-text {
        font-size: 2.8rem;
        letter-spacing: 2px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-link {
        font-size: 12px;
        padding: 8px 10px;
    }
    
    .about-header {
        gap: 30px;
    }
    
    .about-title {
        font-size: 2.5rem;
    }
    
    .products-grid {
        gap: 20px;
    }
    
    .footer-main {
        gap: 30px;
    }
    
    .footer-nav {
        gap: 15px;
    }
    
    .footer-link {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {

    .top{height: 50px;}
    .logo-img{height: 30px;}

    .nav-container{display: none;}

    .hero-text {
        font-size: 2.2rem;
        letter-spacing: 1px;
        margin: 10px 0;
    }
    
    .nav-container {
        flex-wrap: wrap;
        padding: 0 10px;
    }
    
    .nav-item {
        flex: 1 1 50%;
        min-width: 120px;
    }
    
    .nav-link {
        font-size: 11px;
        padding: 5px 8px;
    }
    
    .home-item {
        padding: 0 15px;
    }
    
    .search-input {
        width: 150px;
        height: 32px;
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .search-button {
        padding: 6px 10px;
    }
    
    .search-button i {
        font-size: 14px;
    }
    
    .main-content h1 {
        font-size: 2rem;
    }
    
    .main-content p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 60px 20px;
    }
    
    .about-header {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 40px;
        
    }
    
    .about-title-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .about-title {
        font-size: 2.2rem;
    }
    
    .title-divider {
        width: 60px;
        height: 2px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .product-image {
        height: 250px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }

    .footer-column {
        padding-left: 50px;
    }

    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    /* 手机版导航样式 */
    .mobile-menu-btn {
        display: flex;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .nav-container {
        justify-content: space-between;
        padding: 0 20px;
    }
    
    .nav-search {
        margin-left: 0;
        margin-right: 0;
    }
    
    /* 手机版下拉菜单样式 */
    .dropdown-menu {
        position: fixed;
        top: 100px;
        left: 0;
        width: 100%;
        min-width: auto;
        padding: 20px;
        flex-direction: column;
        gap: 20px;
        border-radius: 0;
    }
    
    .dropdown-column {
        gap: 15px;
    }
    
    .dropdown-item {
        font-size: 1rem;
        padding: 12px 0;
        text-align: center;
        border-bottom: 1px solid #404040;
    }
    
    .dropdown-item:last-child {
        border-bottom: none;
    }
    
    /* 联系页面响应式样式 */
    .contact-page {
        padding: 60px 20px;
    }
    
    .contact-header {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .contact-left,
    .contact-right {
        flex: none;
    }
    
    .contact-title-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .contact-title {
        font-size: 2rem;
        padding: 15px 25px;
        padding-left: 40px;
    }
    
    .contact-title::before {
        left: 12px;
        height: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-form {
        gap: 25px;
    }
    
    /* About Us 介绍页面响应式样式 */
    .about-intro-section {
        padding: 60px 20px;
    }
    
    .about-intro-title {
        font-size: 2rem;
    }
    
    .about-intro-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-images {
        flex: none;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-text-content {
        gap: 25px;
    }
    
    .divisions-title {
        font-size: 1.1rem;
    }

@media (max-width: 480px) {
    .social-section{display: none;}
    .hero-text {
        font-size: 1.8rem;
        margin: 8px 0;
    }
    
    .nav-container {
        padding: 0 5px;
    }
    
    .nav-item {
        flex: 1 1 100%;
        min-width: 100px;
    }
    
    .nav-link {
        font-size: 10px;
        padding: 3px 5px;
    }
    
    .home-item {
        padding: 0 10px;
    }
    
    .search-input {
        width: 120px;
        height: 30px;
        font-size: 11px;
        padding: 5px 8px;
    }
    
    .search-button {
        padding: 5px 8px;
    }
    
    .search-button i {
        font-size: 12px;
    }
    
    .about-section {
        padding: 40px 15px;
    }
    
    .about-title {
        font-size: 1.8rem;
    }
    
    .about-text {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-title-bar {
        padding: 12px 15px;
    }
    
    .product-title-bar h3 {
        font-size: 1rem;
    }
    
    .product-description {
        padding: 15px;
    }
    
    .product-description p {
        font-size: 0.85rem;
    }
    
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-main {
        gap: 25px;
        margin-bottom: 25px;
    }
    
    .footer-title {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .footer-content p {
        font-size: 0.9rem;
    }
    
    .contact-item span {
        font-size: 0.9rem;
    }
    
    .social-icon {
        width: 35px;
        height: 35px;
    }
    
    .social-icon i {
        font-size: 14px;
    }
    
    .email-input {
        font-size: 0.9rem;
        padding: 10px 10px 10px 30px;
    }
    
    .subscribe-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .footer-bottom {
        padding: 15px;
    }
    
    .copyright p {
        font-size: 0.8rem;
    }
    
    .footer-link {
        font-size: 0.75rem;
    }
    
    .scroll-top-btn {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    /* 联系页面手机版响应式样式 */
    .contact-page {
        padding: 40px 15px;
    }
    
    .contact-title {
        font-size: 1.6rem;
        padding: 12px 20px;
        padding-left: 35px;
    }
    
    .contact-title::before {
        left: 10px;
        height: 20px;
    }
    
    .contact-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .contact-info {
        gap: 15px;
        margin-bottom: 40px;
    }
    
    .contact-item {
        gap: 10px;
    }
    
    .contact-icon {
        font-size: 16px;
    }
    
    .contact-text {
        font-size: 0.9rem;
    }
    
    .form-label {
        font-size: 0.8rem;
    }
    
    .form-input,
    .form-textarea {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .form-textarea {
        min-height: 100px;
    }
    
    .submit-btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
    
    .hero-nav-next,
    .hero-nav-prev {
        width: 40px !important;
        height: 40px !important;
        margin-top: -20px !important;
    }
    
    .hero-nav-next::after,
    .hero-nav-prev::after {
        font-size: 14px !important;
    }
    
    /* About Us 介绍页面手机版响应式样式 */
    .about-intro-section {
        padding: 40px 15px;
    }
    
    .about-intro-title {
        font-size: 1.8rem;
    }
    
    .about-intro-content {
        gap: 30px;
    }
    
    .about-images {
        max-width: 100%;
    }
    
    .about-text-content {
        gap: 20px;
    }
    
    .description-text {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .divisions-title {
        font-size: 1rem;
    }
    
    .division-item {
        font-size: 0.9rem;
    }
    
    .more-btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
.bottom-pic img{max-width: 100% ; margin: 0px auto 100px auto; display: block;}

/* 钢丝绳产品展示模块响应式样式 */
@media (max-width: 768px) {
    .wire-rope-section {
        padding: 60px 20px;
    }
    
    .wire-rope-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-list {
        flex: none;
        width: 100%;
    }
    
    .image-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .rope-img {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .wire-rope-section {
        padding: 40px 15px;
    }
    
    .wire-rope-content {
        gap: 30px;
    }
    
    .rope-item {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .rope-img {
        height: 200px;
    }
    
    .desc-text {
        font-size: 0.8rem;
    }
}

/* 回到顶部按钮 */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #dc143c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top-btn:hover {
    background-color: #C0251B;
    transform: translateY(-2px);
}

/* Swiper分页器样式 */
.swiper-pagination-bullet {
    background: white !important;
    opacity: 0.5 !important;
}

.swiper-pagination-bullet-active {
    background: #dc143c !important;
    opacity: 1 !important;
}

/* 确保Swiper容器正确显示 */
.swiper-wrapper {
    height: 100%;
}

.swiper-slide {
    height: 100%;
}