/* 钢铁公司网站样式文件 */

/* 钢铁公司网站样式文件 */

/* ========================== 全局变量 ========================== */
:root {
    /* 颜色变量 */
    --primary-color: #e63946;
    --primary-dark: #c1121f;
    --secondary-color: #0a2463;
    --secondary-light: #1e3a8a;
    --dark-color: #1a1a1a;
    --gray-color: #333333;
    --light-gray: #666666;
    --lighter-gray: #999999;
    --background-color: #f5f5f5;
    --white-color: #ffffff;
    --border-color: #eeeeee;
    
    /* 字体变量 */
    --main-font: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
    --heading-font: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
    
    /* 间距变量 */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 50px;
    --spacing-xxl: 80px;
    
    /* 边框圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-full: 50%;
    
    /* 阴影 */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--main-font);
    line-height: 1.6;
    color: var(--gray-color);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ========================== 基础元素样式 ========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--dark-color);
}

h1 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 2rem;
    position: relative;
    padding-bottom: var(--spacing-md);
}

h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    bottom: 0;
    left: 0;
    background-color: #015a92;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--light-gray);
}

a {
    color: #015a92;
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: #014d7d;
}

img {
    max-width: 100%;
    height: auto;
    /* display: block; */
}

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* ========================== 容器样式 ========================== */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    /* text-align: center; */
    margin-bottom: var(--spacing-xl);
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.section-title h1{
    margin-bottom: 0.15rem;
}
.section-title h1 span {
    color: #015a92;
}

.swiper-controls {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

#products-prev,
#products-next {
    width: 95px;
    height: 27px;
    background-color: var(--white-color);
    border: 1px solid var(--light-gray);
    color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin: 0 0.05rem;
}

#products-prev:hover,
#products-next:hover {
    background-color: #015a92;
    color: var(--white-color);
    border: 1px solid #015a92;
    
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

#products-prev::after,
#products-next::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-style: solid;
    border-width: 0 2px 2px 0;
    border-color: currentColor;
}

#products-prev::after {
    transform: rotate(135deg);
    margin-left: 2px;
}

#products-next::after {
    transform: rotate(-45deg);
    margin-right: 2px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .swiper-controls {
        position: static;
        transform: none;
        justify-content: center;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    
    #products-prev,
    #products-next {
        width: 35px;
        height: 35px;
    }
}

.section-title h2 {
    display: inline-block;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.section-title h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--lighter-gray);
    font-size: 1.1rem;
}

/* ========================== 按钮样式 ========================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #015a92;
    color: var(--white-color);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: #014d7d;
    color: var(--white-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-light);
}

.btn-outline {
    background-color: transparent;
    color: #015a92;
    border: 2px solid #015a92;
}

.btn-outline:hover {
    background-color: #015a92;
    color: var(--white-color);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ========================== 头部样式 ========================== */
.main-header {
    background-color: #ffffff;
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    transition: padding var(--transition-normal);
}

.main-header.scrolled .header-content {
    padding: 10px 0;
}

.logo img {
    max-height: 70px;
    transition: max-height var(--transition-normal);
}

.main-header.scrolled .logo img {
    max-height: 60px;
}

/* 桌面导航 */
.main-nav{
    display: flex;
    align-items: center;
    background-color: rgb(0, 86, 173);
}
.desktop-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: var(--spacing-md);
    position: relative;
}

.nav-item:first-child {
    margin-left: 0;
}

.nav-item a {
    text-decoration: none;
    color: var(--white-color);
    font-size: 1.2rem;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
    padding: 5px 0;
}

.nav-item a:hover,
.nav-item.active a {
    color: #015a92;
}

.nav-item a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #015a92;
    transition: width var(--transition-normal);
}

.nav-item a:hover:after,
.nav-item.active a:after {
    width: 100%;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 25px;
    position: relative;
    z-index: 1100;
}

.mobile-menu-btn span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background-color: #015a92;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transition: all var(--transition-normal);
}

.mobile-menu-btn span:nth-child(1) {
    top: 0px;
}

.mobile-menu-btn span:nth-child(2) {
    top: 11px;
}

.mobile-menu-btn span:nth-child(3) {
    top: 22px;
}

.mobile-menu-btn.active span:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
    background-color: #015a92;
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.mobile-menu-btn.active span:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
    background-color: #015a92;
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--white-color);
    padding: 80px 20px 20px;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-normal);
    z-index: 1050;
    overflow-y: auto;
}

.mobile-nav.show {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav .nav-item {
    margin: 0 0 15px 0;
}

.mobile-nav .nav-item a {
    display: block;
    padding: 10px 0;
    font-size: 1.1rem;
    color: var(--dark-color);
}

/* 导航遮罩 */

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    transition: opacity var(--transition-normal);
    opacity: 0;
}

.nav-overlay.show {
    display: block;
    opacity: 1;
}

/* ========================== 主轮播Banner样式 ========================== */
.main-slider {
    position: relative;
    height: 520px;
    /* min-height: 800px; */
    overflow: hidden;
}

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

.swiper-slide {
    position: relative;
}

/* 产品轮播图样式 */
#products-swiper {
    margin: 0 auto;
    width: 100%;
}

#products-swiper .swiper-wrapper {
    display: flex;
}

#products-swiper .swiper-slide {
    width: 25%; /* 默认显示4个 */
    padding: 10px;
    box-sizing: border-box;
}

/* 响应式设计 - 平板设备 */
@media (max-width: 1199px) {
    #products-swiper .swiper-slide {
        width: 33.333%; /* 平板显示3个 */
    }
}

/* 响应式设计 - 中等平板设备 */
@media (max-width: 991px) {
    #products-swiper .swiper-slide {
        width: 50%; /* 中等平板显示2个 */
    }
}

/* 响应式设计 - 小屏幕设备 */
@media (max-width: 767px) {
    #products-swiper .swiper-slide {
        width: 100% !important; /* 手机端显示1个，强制宽度 */
        padding: 0 15px;
        transform: none !important; /* 重置任何缩放效果 */
    }
    
    /* 确保在手机端只有一个轮播项可见 */
    #products-swiper {
        max-width: 100%;
    }
    
    #products-swiper .swiper-wrapper {
        transition-timing-function: ease;
    }
}

.image-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 800px;
    color: var(--white-color);
    z-index: 2;
}

.banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: var(--border-radius-full);
    backdrop-filter: blur(5px);
}

.feature-item span {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

/* ========================== 轮播图响应式设计 ========================== */
/* 平板设备 (768px - 1199px) */
@media (max-width: 1199px) {
    .main-slider {
        height: 450px;
    }
    .pc-banner {
        height: 450px !important;
    }
}

/* 中等平板设备 (768px - 991px) */
@media (max-width: 991px) {
    .main-slider {
        height: 400px;
      
    }
    .pc-banner {
        height: 400px !important;
        background-size: cover !important;
        background-position: center !important;
    }
    .banner-content {
        left: 8%;
        max-width: 600px;
    }
    .banner-title {
        font-size: 2.5rem;
    }
    .banner-subtitle {
        font-size: 1.2rem;
    }
}

/* 小屏幕设备 (576px - 767px) */
@media (max-width: 767px) {
    .main-slider {
        height: 300px;
   
    }
    /* 在小屏幕上显示手机版banner，隐藏PC版 */
    .pc-banner {
        display: none !important;
    }
    .mobile-banner {
        display: block !important;
        height: 300px !important;
        background-size: cover !important;
        background-position: center !important;
    }
    .banner-content {
        left: 6%;
        max-width: 300px;
    }
    .banner-title {
        font-size: 2rem;
    }
    .banner-subtitle {
        font-size: 1rem;
    }
    .banner-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* 超小屏幕设备 (小于576px) */
  @media (max-width: 575px) {
      .main-slider {
          height: 300px;
       
      }
      /* 在超小屏幕上显示手机版banner，隐藏PC版 */
      .pc-banner {
          display: none !important;
      }
      .mobile-banner {
          display: block !important;
          height: 300px !important;
          background-size: cover !important;
          background-position: center !important;
      }
      .banner-content {
          left: 5%;
          right: 5%;
          max-width: 100%;
      }
      .banner-title {
          font-size: 1.8rem;
      }
      .banner-subtitle {
          font-size: 0.9rem;
      }
  }

.swiper-pagination {
    bottom: 10px !important;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    padding: 0 20px;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.6);
    opacity: 1;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.swiper-pagination-bullet:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.swiper-pagination-bullet-active {
    background-color: var(--white-color);
    width: 45px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    animation: pulseEffect 2s infinite;
}

@keyframes pulseEffect {
    0% {
        box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
    }
    50% {
        box-shadow: 0 2px 12px rgba(255, 255, 255, 0.5);
    }
    100% {
        box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
    }
}

/* ========================== 公司优势样式 ========================== */
.advantages {
    background-color: var(--white-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.advantage-item {
    padding: var(--spacing-lg);
    background-color: var(--background-color);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: #015a92;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--white-color);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.advantage-item:hover .advantage-icon {
    background-color: #015a92;
    color: var(--white-color);
}

.advantage-icon i {
    font-size: 2.5rem;
    color: #015a92;
    transition: color var(--transition-normal);
}

.advantage-item:hover .advantage-icon i {
    color: var(--white-color);
    transform: scale(1.1);
}

.advantage-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* ========================== 产品展示样式 ========================== */
.products-wrap {
    padding: var(--spacing-xl) 0;
}
.products {
    background-color: var(--background-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}


.product-item {
    background-color: var(--white-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-item h3{
    border-bottom: 2px solid #015a92;
    padding: 10px;
    text-align: center;
    margin: 0 auto;
}
.product-item h3 a{
    color: #1b1b1b;
}
.product-item:hover h3 a{
    color: #015a92;
}
.product-item P{
    padding: 10px;
    margin: 0 auto;
    line-height: 1.5;
    overflow: hidden;
    height: 80px;
}
.product-image {
    position: relative;
    overflow: hidden;
    /* margin-bottom: 15px; */
    height:auto;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
    margin-bottom: 0;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(1, 90, 146, 0.7);
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.search-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.search-icon i {
    font-size: 24px;
    color: #015a92;
}

.product-image:hover .product-overlay {
    opacity: 1;
}

.product-image:hover .search-icon {
    transform: translateY(0);
}

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

.product-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.product-description {
    margin-bottom: var(--spacing-lg);
    color: var(--lighter-gray);
}

.product-category {
    display: inline-block;
    padding: 5px 15px;
    background-color: #015a92;
    color: var(--white-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* ========================== 荣誉证书样式 ========================== */

.certifications-section {
    background: linear-gradient(to bottom, #f0f9ff, #f9f9f9, #f0f9ff);
    padding: var(--spacing-xl) 0;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.cert-item {
    background-color: var(--white-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.cert-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: #015a92;
}

/* 红色边框高亮效果 */
.cert-item.active {
    border: 3px solid #015a92;
    transform: scale(1.05);
    z-index: 5;
}

.cert-image {
    height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.cert-image img {
    max-height: 100%;
    max-width: 100%;
    transition: transform var(--transition-slow);
}

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

.cert-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.cert-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

/* 轮播控制按钮 */
.certifications-slider {
    position: relative;
    margin-top: var(--spacing-lg);
    overflow: hidden;
    width: 100%;
    padding: 0 60px;
}

/* 响应式设计 - 平板设备 */
@media (max-width: 1199px) {
    .certifications-slider {
        padding: 0 40px;
    }
    
    .certifications-slider .swiper-wrapper .swiper-slide {
        transform: scale(0.85);
    }
    
    .certifications-slider .swiper-wrapper .swiper-slide-active img {
        transform: scale(1.1);
        border-width: 10px;
    }
}

/* 响应式设计 - 中等平板设备 */
@media (max-width: 991px) {
    .certifications-slider {
        padding: 0 30px;
    }
    
    .cert-prev, .cert-next {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
}

/* 响应式设计 - 小屏幕设备 */
@media (max-width: 767px) {
    .certifications-slider {
        padding: 0 20px;
    }
    
    .certifications-slider .swiper-wrapper .swiper-slide {
        transform: scale(0.9);
    }
    
    .certifications-slider .swiper-wrapper .swiper-slide-active img {
        transform: scale(1.05);
        border-width: 8px;
    }
    
    .cert-nav-controls {
        padding: 0 var(--spacing-xs);
    }
}

/* 响应式设计 - 手机端 */
@media (max-width: 575px) {
    .certifications-slider {
        padding: 0 15px;
        overflow: hidden;
    }
    
    /* 确保手机端容器正确显示，移除最大宽度限制以支持循环轮播 */
    .certifications-container {
        width: 100%;
        max-width: 100%; /* 允许容器完整宽度，支持循环 */
        margin: 0 auto;
        overflow: hidden;
    }
    
    /* 重置所有轮播项的缩放，确保手机端只显示一个并支持循环 */
    .certifications-slider .swiper-wrapper {
        display: flex;
        transition-timing-function: ease;
        position: relative; /* 确保轮播项可以正确定位 */
    }
    
    .certifications-slider .swiper-wrapper .swiper-slide {
        transform: scale(1) !important; /* 强制不缩放 */
        flex-shrink: 0 !important;
        width: 100% !important; /* 强制宽度为100% */
        max-width: none; /* 移除最大宽度限制，支持循环 */
        box-sizing: border-box;
    }
    
    /* 确保活动项正常显示 */
    .certifications-slider .swiper-wrapper .swiper-slide-active img {
        transform: scale(1) !important; /* 强制不缩放 */
        border-width: 6px;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* 移除绝对定位，让Swiper正常管理轮播项位置和状态 */
    .certifications-slider .swiper-wrapper .swiper-slide:not(.swiper-slide-active) {
        opacity: 0.8; /* 稍微降低透明度但保持可见 */
        position: static; /* 恢复静态定位 */
        pointer-events: auto;
    }
    
    /* 活动轮播项保持正常显示 */
    .certifications-slider .swiper-wrapper .swiper-slide-active {
        opacity: 1;
        position: static; /* 恢复静态定位 */
        pointer-events: auto;
    }
    
    /* 确保导航按钮正常工作 */
    .cert-prev, .cert-next {
        width: 30px;
        height: 30px;
        font-size: 18px;
        z-index: 10;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        cursor: pointer;
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid #ddd;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .cert-prev {
        left: 5px;
    }
    
    .cert-next {
        right: 5px;
    }
}
.certifications-container {
    width: 100%;
    overflow: hidden;
}
.certifications-slider .swiper-wrapper {
    width: 100%;
}
.certifications-slider .swiper-wrapper .swiper-slide {
    
    box-sizing: border-box;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    transition: 300ms;
    transform: scale(0.8);
}

.certifications-slider .swiper-wrapper .swiper-slide .certificate-card {
    width: 100%;
    box-sizing: border-box;
}

.certifications-slider .swiper-wrapper .swiper-slide .certificate-card img {
    width: 100%;
    height: auto;
    display: block;
}

/* 活动幻灯片高亮样式 */
.certifications-slider .swiper-wrapper .swiper-slide-active img{
    border: 12px solid #015a92; /* 红色边框高亮 */
    transform: scale(1.2); /* 稍微放大活动项 */

}
.cert-nav-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    pointer-events: none;
}

.cert-prev, .cert-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 0;
    color: #015a92;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    box-shadow: var(--shadow-sm);
}

.cert-prev:hover, .cert-next:hover {
    background-color: #015a92;
    color: var(--white-color);
    border-color: #015a92;
    /* transform: scale(1.1); */
}

.cert-pagination {
    margin-top: var(--spacing-lg);
}

/* ========================== 公司简介样式 ========================== */
.about-section {
    background-color: var(--white-color);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

/* 添加背景装饰元素 */
.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    z-index: 0;
}

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

.about-content {
    position: relative;
    padding-right: 57%; /* 为图片预留宽度 */
}

.about-text {
    position: relative;
    z-index: 1;
}

.about-image {
    position: absolute;
    right: 35px;
    top: 30px;
    width: 720px; /* 图片宽度 */
    height: 472px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

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




.about-image:hover::after {
    transform: translate(10px, 10px);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-normal);
}

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

.about-text {
    padding: var(--spacing-lg);
    
    color: #0a0a0a;
    font-size: 0.36rem;
}


.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background-color: rgba(230, 57, 70, 0.1);
    color: #015a92;
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    animation: slideInLeft 0.8s ease;
}

.about-text .section-title {
    text-align: left;
    font-size: 2.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-color);
    animation: fadeIn 0.8s ease 0.2s both;
}

.about-text .section-title:after {
    left: 0;
    transform: none;
}

.about-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 0.8s ease 0.4s both;
}

.company-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
    padding:  15px 0;

    border-radius: var(--border-radius-lg);
    animation: fadeIn 0.8s ease 0.6s both;
}

.stat-box {
    text-align: center;
    flex: 1;
    min-width: 120px;
    padding: 10px 10px;
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid #015a92;
}

.stat-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: #015a92;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.stat-label {
    font-size: 0.52rem;
    color: var(--lighter-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.about-btn {
    display: inline-block;
    padding: 14px 35px;
    background-color: #015a92;
    color: var(--white-color);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.8s ease 0.8s both;
}

.about-btn:hover {
    background-color: #014d7d;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(1,90,146, 0.3);
    color: var(--white-color);
}

.about-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

.about-btn:hover::before {
    left: 100%;
}

/* 页脚区域的about样式保持不变 */
.about {
    background-color: var(--secondary-color);
    color: var(--white-color);
    padding: var(--spacing-xxl) 0;
}

.about h2 {
    color: var(--white-color);
}

.about h2:after {
    background-color: #015a92;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content {
    color: var(--white-color);
    background: #f0f9ff;
}

.about-content .about-desc {
    color: #0a0a0a;
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #015a92;
    margin-bottom: var(--spacing-xs);
}

.stat-item .stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 中等屏幕（平板电脑）响应式样式 */
@media (max-width: 1199px) {
    .about-content {
        padding-right: 50%;
    }
    
    .about-image {
        width: 45%;
    }
    
    .about-text .section-title {
        font-size: 1.8rem;
    }
    
    .about-content .about-desc {
        font-size: 1rem;
    }
}

/* 小屏幕（平板和大屏手机）响应式样式 */
@media (max-width: 991px) {
    .about-content {
        padding-right: 0;
        padding: var(--spacing-lg);
    }
    
    .about-image {
        position: static;
        width: 100%;
        height: auto;
        margin-top: var(--spacing-lg);
    }
    
    .about-image img {
        height: auto;
    }
    
    .about-text .section-title {
        font-size: 1.6rem;
    }
    
    .about-content .about-desc {
        font-size: 0.95rem;
    }
}

/* 移动设备响应式样式 */
@media (max-width: 767px) {
    .about-content {
        padding: var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .about-text {
        padding: var(--spacing-md);
    }
    
    .about-text .section-title {
        font-size: 1.4rem;
    }
    
    .about-content .about-desc{
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .company-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .stat-box {
        text-align: center;
        padding: var(--spacing-md);
        background: rgba(255, 255, 255, 0.8);
        border-radius: var(--border-radius-md);
    }
    
    .about-btn {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .about-image {
        width: 100%;
        max-width: 100%;
        position: relative;
        margin: 0 auto;
       right:auto;
    }
    
    .about-image img {
        width: 100%;
        height: auto;
        display: block;
    }
    
    .about-image::after {
        display: none;
    }
}

/* ========================== 返回顶部按钮 ========================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #015a92;
    color: var(--white-color);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #014d7d;
    transform: translateY(-3px);
}

.back-to-top i {
    font-size: 1.5rem;
}

/* ========================== 动画效果 ========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -10px, 0);
    }
    70% {
        transform: translate3d(0, -5px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
}

.animate-on-scroll.fade-in {
    transform: translateY(20px);
}

.animate-on-scroll.fade-in.animated {
    transform: translateY(0);
}

.animate-on-scroll.slide-in-left {
    transform: translateX(-50px);
}

.animate-on-scroll.slide-in-left.animated {
    transform: translateX(0);
}

.animate-on-scroll.slide-in-right {
    transform: translateX(50px);
}

.animate-on-scroll.slide-in-right.animated {
    transform: translateX(0);
}

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ========================== 响应式设计 ========================== */

/* 大屏幕 (1200px 及以上) */
@media (min-width: 1200px) {
    .container {
        /* padding: 0 var(--spacing-lg); */
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) {
    .main-nav {
        display: none;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .banner-content {
        left: 5%;
        max-width: 500px;
    }
    
    .banner-title {
        font-size: 2.5rem;
    }
    
    .banner-subtitle {
        font-size: 1.2rem;
    }
}

/* 平板屏幕 (768px - 991px) */
@media (max-width: 991px) {
    html {
        font-size: 15px;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    .logo img{
        max-height: 45px;
    }
    .banner-content {
        left: 5%;
        max-width: 400px;
    }
    
    .banner-title {
        font-size: 2rem;
    }
    
    .banner-subtitle {
        font-size: 1rem;
    }
    
    .banner-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .products-grid,
    .certs-grid,
    .team-grid,
    .cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .about-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .footer-title {
        font-size: 1.15rem;
    }
    
    .footer-description {
        font-size: 0.9rem;
    }
    
    .footer-links a {
        font-size: 0.9rem;
    }
    
    .contact-item {
        font-size: 0.9rem;
    }
}

/* 小屏幕 (576px - 767px) */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        padding: 15px 0;
    }
    
    .logo img {
        max-height: 38px;
    }
    
    .main-slider {
        height: 300px;
        margin-top: 0;
    }
    
    .banner-content {
        left: 5%;
        right: 5%;
        max-width: 100%;
        text-align: center;
    }
    
    .banner-title {
        font-size: 1.8rem;
    }
    
    .banner-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .products-grid,
    .certs-grid,
    .team-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        min-width: auto;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-input {
        min-width: auto;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-title {
        font-size: 1.1rem;
    }
    
    .footer-logo img {
        max-width: 150px;
    }
    
    .footer-description {
        font-size: 0.85rem;
    }
    
    .footer-links a {
        font-size: 0.85rem;
        padding-left: 12px;
    }
    
    .contact-item {
        font-size: 0.85rem;
    }
    
    .social-link {
        width: 36px;
        height: 36px;
    }
    
    .qrcode img {
        max-width: 100px;
    }
    
    .qrcode p {
        font-size: 0.8rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
        margin-top: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .copyright, .footer-nav a {
        font-size: 0.85rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top i {
        font-size: 1.2rem;
    }
    .main-nav{
        display: none;
    }

}

/* 超小屏幕 (小于 576px) */
@media (max-width: 575px) {
    .banner-title {
        font-size: 1.5rem;
    }
    
    .banner-subtitle {
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
    }
    
    .advantage-icon i {
        font-size: 2rem;
    }
    
    /* 项目案例响应式 - 超小屏幕 */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-info {
        padding: var(--spacing-md);
    }
    
    .project-title {
        font-size: 1.2rem;
    }
    
    .project-year {
        font-size: 0.75rem;
    }
    
    .author-image {
        width: 60px;
        height: 60px;
    }
    
    .testimonial-item {
        padding: var(--spacing-lg);
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
        
    }
    
    /* 公司简介响应式 - 超小屏幕 */
    .about-section {
        padding: var(--spacing-xl) 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image::after {
        display: none;
    }
    
    .about-text {
        padding: 0;
    }
    
    .about-text .section-title {
        font-size: 1.8rem;
    }
    
    .about-desc p{
        font-size: 1rem;
    }
    
    .company-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .stat-box {
        min-width: auto;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-btn {
        padding: 12px 25px;
        font-size: 0.9rem;
        width: 100%;
        text-align: center;
    }
}

.projects-section{
    padding: var(--spacing-xl) 0;
    background: url('../images/casebg.jpg') no-repeat center center/cover;
}

/* 新闻区域样式 */
.testimonials-section{
    padding: var(--spacing-xl) 0;
}
.news-section {
    margin: 40px 0;
}

.news-container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.news-image-container {
    flex: 0 0 757px;
    height: 506px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
}

.news-images-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.news-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.news-list {
    flex: 0 0 577px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-item {
    background-color: #f0f9ff;
    color: #0a0a0a;
    padding: 15px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-item:hover {
    background-color: #015a92;
    color: #ffffff;
    transform: translateX(5px);
}

.news-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
}

.news-date {
    font-size: 14px;
    opacity: 0.8;
}

/* 响应式样式 */
@media (max-width: 1199px) {
    .news-section {
        margin: 30px 0;
    }
    
    .news-container {
        gap: 20px;
    }
    
    .news-image-container {
        flex: 0 0 600px;
        height: 400px;
    }
    
    .news-list {
        flex: 0 0 calc(100% - 620px);
    }
}

@media (max-width: 991px) {
    .news-section {
        margin: 25px 0;
    }
    
    .news-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .news-image-container {
        flex: none;
        width: 100%;
        height: 280px;
    }
    
    .news-list {
        flex: none;
        width: 100%;
    }
    
    .news-item {
        background-color: #f0f9ff;
        color: #0a0a0a;
        padding: 18px 22px;
    }
    
    .news-item:hover {
        background-color: #015a92;
        color: #ffffff;
        transform: translateX(4px);
    }
    
    .news-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .news-date {
        font-size: 14px;
    }
}

@media (max-width: 767px) {
    .news-section {
        margin: 20px 0;
    }
    
    .news-image-container {
        height: 220px;
        border-radius: 6px;
    }
    
    .news-item {
        padding: 15px 18px;
        background-color: #f0f9ff;
        color: #0a0a0a;
    }
    
    .news-item:hover {
        background-color: #015a92;
        color: #ffffff;
    }
    
    .news-title {
        font-size: 15px;
    }
    
    .news-date {
        font-size: 13px;
    }
}

@media (max-width: 575px) {
    .news-section {
        margin: 15px 0;
    }
    
    .news-image-container {
        height: 200px;
        border-radius: 4px;
    }
    
    .news-list {
        gap: 8px;
    }
    
    .news-item {
        padding: 12px 16px;
        background-color: #f0f9ff;
        color: #0a0a0a;
    }
    
    .news-item:hover {
        background-color: #015a92;
        color: #ffffff;
        transform: translateX(3px);
    }
    
    .news-title {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .news-date {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .news-image-container {
        height: 180px;
    }
    
    .news-item {
        padding: 10px 14px;
    }
    
    .news-title {
        font-size: 13px;
    }
    
    .news-date {
        font-size: 11px;
    }
}

    
    
    .footer-title::after {
        width: 40px;
        height: 2px;
    }
    
    .footer-logo img {
        max-width: 120px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top i {
        font-size: 1.2rem;
    }


/* 页脚样式 */
.main-footer {
    background: url('../images/footerbg.jpg') no-repeat center center/cover;
    color: #ffffff;
    padding: 30px 0;
    font-size: 14px;
    min-height: 200px;
}

.footer-content {
    width: 100%;
}

/* 联系我们标题 */
.footer-header {
    text-align: left;
    margin-bottom: 30px;
}

.contact-us-title {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
    margin: 0;
    text-transform: uppercase;
}

/* 主要内容区域 */
.footer-main {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    width: 100%;
    align-items: flex-start;
}

/* 左侧联系信息 */
.footer-contact {
    width: 50%;
    padding-right: 20px;
    box-sizing: border-box;
}

.footer-contact .company-name {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 500;
    color: #ffffff;
}

.contact-detail {
    margin-bottom: 10px;
    line-height: 1.5;
}

.contact-label {
    color: #ffffff;
    font-weight: bold;
    margin-right: 5px;
}

.contact-value {
    color: #000000;
}

/* 右侧导航链接 */
.footer-links-container {
    display: flex;
    width: 50%;
    gap: 30px;
    padding: 20px 0;
    box-sizing: border-box;
}

.footer-link-column {
    flex: 1;
}

.footer-link-title {
    font-size: 16px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 15px;
    text-transform: uppercase;
}

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

.footer-links-list li {
    margin-bottom: 8px;
}

.footer-links-list a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-links-list a:hover {
    color: #015a92;
}

/* 底部版权信息 */
.footer-bottom {
    text-align: center;
    padding: 10px 0;
    background: #015a92;
}

.copyright {
    color: #ffffff;
    font-size: 12px;
    margin: 0;
}
.copyright p {
     color: #ffffff;
    margin: 0;
}

/* 项目案例样式 */
.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 54px;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
}

.project-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 15px;
}

.project-name {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
}

.view-details {
    background-color: #015a92;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    padding: 5px 15px;
    border-radius: 3px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.view-details:hover {
    background-color: #014d7d;
    color: #ffffff;
    text-decoration: none;
}

/* 响应式样式 */
@media (max-width: 991px) {
    .project-overlay {
        height: 54px;
    }
    
    .project-name {
        font-size: 14px;
    }
    
    .view-details {
        font-size: 13px;
        padding: 4px 12px;
    }
    
    /* 页脚响应式设计 - 中等屏幕 */
    .main-footer {
        padding: 20px 0;
        background-color: #bfbfbf;
        color: #000000;
    }
    
    .footer-main {
        flex-direction: column;
        gap: 30px;
        width: 100%;
        align-items: flex-start;
    }
    
    .footer-contact {
        text-align: left;
        padding-right: 0;
        width: 100%;
    }
    
    .footer-links-container {
        gap: 30px;
        width: 100%;
    }
    
    .footer-link-title {
        font-size: 14px;
        color: #000000;
    }
}

@media (max-width: 767px) {
    .project-overlay {
        height: 54px;
    }
    
    .project-info {
        padding: 0 12px;
    }
    
    .project-name {
        font-size: 14px;
    }
    
    .view-details {
        font-size: 12px;
        padding: 3px 10px;
    }
    
    /* 页脚小屏幕样式 */
    .footer-links-container {
        flex-direction: column;
        width: 100%;
    }
    
    .footer-link-column {
        text-align: left;
        margin-bottom: 20px;
    }
    
    .footer-link-title {
        font-size: 14px;
        color: #ffffff;
    }
    
    .contact-us-title {
        font-size: 20px;
        /* color: #015a92; */
    }
}

@media (max-width: 575px) {
    .project-overlay {
        height: 54px;
    }
    
    .project-info {
        padding: 0 10px;
    }
    
    .project-name {
        font-size: 13px;
    }
    
    .view-details {
        font-size: 12px;
        padding: 3px 10px;
    }
    
    /* 页脚超小屏幕样式 */
    .footer-main {
        flex-direction: column;
        width: 100%;
    }
    
    .footer-contact {
        width: 100%;
        padding-right: 0;
    }
    
    .footer-links-container {
        width: 100%;
        padding: 10px 0;
        display: none;
    }
    
    .contact-us-title {
        font-size: 18px;
    }
}

/* 在大屏幕上调整布局以适应固定尺寸的卡片 */
@media (min-width: 1200px) {
    .projects-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-xl);
    }
}

/* MORE按钮样式美化 */
.view-all-btn-container {
    text-align: center;
    margin: 30px 0;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #015a92;
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 4px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.view-all-btn:hover {
    background-color: #014d7d;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(1,90,146, 0.3);;
    text-decoration: none;
}

.view-all-btn i {
    margin-left: 8px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.view-all-btn:hover i {
        transform: translateX(3px);
    }
    
    /* 团队列表样式 */
.team-content {
    padding: 60px 0;
}

/* 团队分类样式 */
.team-filter {
    margin-bottom: 40px;
    text-align: center;
}

.team-filter .filter-btn {
    display: inline-block;
    padding: 10px 20px;
    margin: 0 10px;
    background: transparent;
    border: 2px solid #fff;
    color: #5a5858;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.team-filter .filter-btn:hover,
.team-filter .filter-btn.active {
    background: #015a92;
    border-color: #015a92;
    color: #fff;
}

/* 团队网格布局 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 团队卡片 */
.team-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 团队图片 */
.team-image {
    width: 100%;
    height: 350px;
    overflow: hidden;
}

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

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

/* 团队信息 */
.team-info {
    padding: 20px;
    text-align: center;
}

.team-name {
    color: #e50e1d;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
}

.team-position {
    color: #666666;
    font-size: 14px;
    margin-bottom: 15px;
}

.team-contact {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-item {
    color: #5a5858;
    font-size: 13px;
}
.contact-item .contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

/* 新闻中心样式 */
.news-center {
    padding: 20px 0;
}

/* 新闻分类样式 */
.news-filter {
    margin-bottom: 40px;
    text-align: center;
}

.news-filter .filter-btn {
    display: inline-block;
    padding: 10px 20px;
    margin: 0 10px;
    background: transparent;
    border: 2px solid #fff;
    color: #5a5858;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.news-filter .filter-btn:hover,
.news-filter .filter-btn.active {
    background: #015a92;
    border-color: #015a92;
    color: #fff;
}


/* 分页样式 */
.page {
    margin-top: 50px;
    text-align: center;
}

/* 文章列表样式 */
.article-item {
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 30px;
    border: 1px solid #eee;
}

/* 无图片文章样式 */
.article-item.article-item-noimage {
    display: block;
}

/* 文章详情页面样式 */
.breadcrumb-wrapper {
    padding: 15px 0;
    background-color: none;
    margin-bottom: 30px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}
.breadcrumb li {
    margin-bottom: 0;
}
.breadcrumb-link {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.breadcrumb-link:hover {
    color: #015a92;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: #999;
    font-size: 14px;
}

.breadcrumb-current {
    color: #015a92;
    font-size: 14px;
    font-weight: bold;
}

@media (max-width: 768px) {
    .breadcrumb-wrapper {
        padding: 10px 0;
        background-color: #f5f5f5;
        margin-bottom: 20px;
    }
}

.article-content-wrapper {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.article-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    align-items: center;
    color: #999;
    font-size: 14px;
}

.article-date {
    margin-right: 20px;
}

.article-body {
    margin-bottom: 40px;
    line-height: 1.8;
    color: #333;
    font-size: 16px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    margin: 15px 0;
    /* display: block; */
}

.article-body p {
    margin-bottom: 15px;
}

.article-body h2 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #333;
}

.article-body h3 {
    font-size: 20px;
    margin-top: 25px;
    margin-bottom: 15px;
    color: #333;
}

.related-articles {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.related-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    padding: 10px;
    border-bottom: 1px dashed #eee;
}

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

.related-link {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    display: block;
}

.related-link:hover {
    color: #015a92;
    transform: translateX(10px);
}

/* 大屏幕（桌面显示器）响应式样式 */
@media (max-width: 1199px) {
    .article-content-wrapper {
        padding: 30px;
    }
    
    .article-title {
        font-size: 26px;
    }
    
    .article-body {
        font-size: 15px;
    }
    
    .article-body h2 {
        font-size: 22px;
    }
    
    .article-body h3 {
        font-size: 18px;
    }
    
    .related-title {
        font-size: 18px;
    }
    
    .related-link {
        font-size: 15px;
    }
}

/* 中等屏幕（平板电脑）响应式样式 */
@media (max-width: 991px) {
    .article-content-wrapper {
        padding: 25px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-body {
        font-size: 15px;
        line-height: 1.7;
    }
    
    .article-body h2 {
        font-size: 20px;
    }
    
    .article-body h3 {
        font-size: 17px;
    }
    
    .related-title {
        font-size: 17px;
    }
    
    .related-link {
        font-size: 14px;
    }
}

/* 小屏幕（平板和大屏手机）响应式样式 */
@media (max-width: 767px) {
    .article-content-wrapper {
        padding: 20px 15px;
        border-radius: 6px;
    }
    
    .article-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .article-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .article-meta {
        font-size: 13px;
    }
    
    .article-date {
        margin-right: 15px;
    }
    
    .article-body {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 30px;
    }
    
    .article-body img {
        margin: 10px 0;
    }
    
    .article-body p {
        margin-bottom: 12px;
    }
    
    .article-body h2 {
        font-size: 18px;
        margin-top: 25px;
        margin-bottom: 12px;
    }
    
    .article-body h3 {
        font-size: 16px;
        margin-top: 20px;
        margin-bottom: 12px;
    }
    
    .related-articles {
        margin-top: 30px;
        padding-top: 20px;
    }
    
    .related-title {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .related-list {
        gap: 12px;
    }
    
    .related-item {
        padding: 8px 0;
    }
    
    .related-link {
        font-size: 13px;
    }
}

/* 移动设备响应式样式 */
@media (max-width: 480px) {
    .article-content-wrapper {
        padding: 15px 10px;
        border-radius: 4px;
    }
    
    .article-title {
        font-size: 18px;
    }
    
    .article-body {
        font-size: 13px;
    }
    
    .article-body h2 {
        font-size: 16px;
    }
    
    .article-body h3 {
        font-size: 15px;
    }
    
    .related-link {
        font-size: 12px;
    }
}

/* 联系我们页面样式 */
.contact-content {
    padding: 20px 0;
    background-color: #f9f9f9;
}

/* 简洁联系信息样式 */
.contact-info-simple {
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.company-name {
    font-size: 32px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
}

.company-name::after {
    content: '';
    position: absolute;
    left: 40px ;
    bottom: 0;
    width: 80px;
    height: 4px;
    background-color: #ffffff;
    transform: translateX(-50%);
}

.contact-details {
    max-width: 800px;
    margin: 0 auto;
}

.contact-detail .contact-value{
    color: #ffffff;
}
.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px dashed #eee;
    background-color: #fafafa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
}

.contact-item:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.contact-icon {
    flex: 0 0 60px;
    width: 60px;
    height: 60px;
    background-color: #015a92;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 30px;
    font-size: 24px;
}

.contact-text {
    flex: 1;
    text-align: left;
}

.contact-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.contact-value {
    font-size: 16px;
    color: #000000;
    line-height: 1.8;
    margin-bottom: 8px;
}

.contact-value:last-child {
    margin-bottom: 0;
}

.postcode {
    font-weight: 500;
    color: #333;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        padding: 40px 0;
    }
    
    .contact-info-simple {
        padding: 40px 20px;
    }
    
    .company-name {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 10px;
        margin-bottom: 30px;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .contact-text {
        text-align: center;
    }
    
    .contact-text h3 {
        font-size: 16px;
    }
    
    .contact-value {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .contact-info-simple {
        padding: 30px 15px;
    }
    
    .company-name {
        font-size: 16px;
    }
    .company-name::after{
        transform: none;
        left: 0;
    }
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        flex:none;
    }
}

/* 荣誉证书页面样式 */
.honor-content {
    padding: 60px 0;
}

/* 荣誉证书列表 */
.honor-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

/* 荣誉证书项 */
.honor-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
    cursor: pointer;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 荣誉证书图片 */
.honor-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.honor-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #f5f5f5;
    transition: transform 0.3s ease;
}

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

/* 荣誉证书信息 */
.honor-info {
    padding: 20px;
    text-align: center;
}

.honor-title {
    font-size: 18px;
    font-weight: 600;
    color: #015a92;
    margin-bottom: 0;
}

/* 大屏幕（桌面显示器）响应式样式 */
@media (max-width: 1199px) {
    .honor-list {
        grid-template-columns: repeat(5, 1fr);
        gap: 18px;
    }
    
    .honor-image {
        height: 280px;
    }
    
    .honor-info {
        padding: 18px;
    }
    
    .honor-title {
        font-size: 17px;
    }
}

/* 中等屏幕（平板电脑）响应式样式 */
@media (max-width: 991px) {
    .honor-list {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        margin-bottom: 40px;
    }
    
    .honor-image {
        height: 240px;
    }
    
    .honor-info {
        padding: 16px;
    }
    
    .honor-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
}

/* 小屏幕（平板和大屏手机）响应式样式 */
@media (max-width: 767px) {
    .honor-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .honor-image {
        height: 200px;
    }
    
    .honor-info {
        padding: 14px;
    }
    
    .honor-title {
        font-size: 15px;
    }
    
    .honor-item {
        border-radius: 6px;
    }
}

/* 移动设备响应式样式 */
@media (max-width: 575px) {
    .honor-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .honor-image {
        height: 180px;
    }
    
    .honor-info {
        padding: 12px;
    }
    
    .honor-title {
        font-size: 14px;
        margin-bottom: 6px;
    }
}

/* 小屏移动设备响应式样式 */
@media (max-width: 480px) {
    .honor-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .honor-image {
        height: 160px;
    }
    
    .honor-info {
        padding: 10px;
    }
    
    .honor-title {
        font-size: 13px;
    }
}

/* 极小屏设备响应式样式 */
@media (max-width: 360px) {
    .honor-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .honor-image {
        height: 220px;
    }
    
    .honor-title {
        font-size: 14px;
    }
}

.honor-date {
    font-size: 14px;
    color: #888;
}

.article-item:hover {
    background: #015a92;
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.article-image {
    flex: 0 0 300px;
    overflow: hidden;
}

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

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

.article-content {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-title {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.article-title a {
    color: #015a92;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-item:hover .article-title a {
    color: #fff;
}

.article-meta {
    margin-bottom: 20px;
}

.article-date {
    color: #888;
    font-size: 14px;
}

.article-item:hover .article-date {
    color: #fff;
}

.article-excerpt {
    color: #000;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 15px;
    /* 限制文本最多显示3行 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
}

.article-item:hover .article-excerpt {
    color: #fff;
}

.article-learnmore {
    display: inline-block;
    color: #000;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    align-self: flex-end;
    padding: 8px 16px;
    border: 2px solid #000;
    transition: all 0.3s ease;
}

.article-item:hover .article-learnmore {
    color: #fff;
    border-color: #fff;
    background: transparent;
}

/* 文章列表响应式设计 */
@media (max-width: 1200px) {
    .article-item {
        flex-direction: column;
    }
    
    .article-image {
        flex: 0 0 250px;
    }
}

@media (max-width: 768px) {
    .article-content {
        padding: 20px;
    }
    
    .article-title {
        font-size: 14px;
    }
    .article-learnmore{
        font-size:  12px;
        padding: 4px 10px;     
    }
}

/* 新闻中心响应式设计 */
@media (max-width: 1200px) {
    .news-item {
        flex-direction: column;
    }
    
    .news-image {
        flex: 0 0 250px;
    }
    
    .news-content {
        padding: 25px;
    }
}

@media (max-width: 992px) {
    .news-center {
        padding: 40px 0;
    }
    
    .news-filter {
        margin-bottom: 30px;
    }
    
    .news-filter .filter-btn {
        padding: 8px 15px;
        margin: 0 5px;
        font-size: 13px;
    }
    
    .news-image {
        flex: 0 0 220px;
    }
    
    .news-content {
        padding: 20px;
    }
 
}

@media (max-width: 768px) {
    .news-center {
        padding: 10px 0;
    }
    
    .news-filter {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .news-filter .filter-btn {
        margin: 0;
    }
    
    .news-image {
        flex: 0 0 180px;
    }
    
    .news-content {
        padding: 15px;
    }
    
 
    
    .news-excerpt {
        font-size: 14px;
    }
    
    .page {
        margin-top: 40px;
    }
}
/* 团队列表响应式设计 */
@media (max-width: 1200px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .team-image {
        height: 450px;
    }
}

@media (max-width: 768px) {
    .team-content {
        padding: 40px 0;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .team-image {
        height: 350px;
    }
    
    .team-info {
        padding: 15px;
    }
}

/* 原有响应式设计 */
      @media (max-width: 767px) {
        .view-all-btn {
            padding: 10px 24px;
            font-size: 13px;
        }
        
        .view-all-btn-container {
            margin: 20px 0;
        }
    }
    
    @media (max-width: 480px) {
        .view-all-btn {
            padding: 9px 20px;
            font-size: 12px;
            letter-spacing: 0;
        }
        
        .view-all-btn i {
            margin-left: 6px;
        }
    }

/* section-title 响应式样式 - 公司简介部分 */
@media (max-width: 1199px) {
    .section-title {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .section-title-content {
        text-align: center;
    }
    
    .index-title {
        text-align: center !important;
        margin-bottom: var(--spacing-md);
    }
    
    .projects-section .section-title h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 991px) {
    .section-title {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title h1 {
        font-size: 1.6rem;
    }
    
    .projects-section .section-title h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 767px) {
    .section-title {
        margin-bottom: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .section-title h1 {
        font-size: 1.4rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .projects-section .section-title h1 {
        font-size: 1.4rem;
    }
    
    .index-title {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .view-all-btn-container {
        margin: 15px 0;
    }
}

@media (max-width: 480px) {
    .section-title h1 {
        font-size: 1.2rem;
    }
    
    .projects-section .section-title h1 {
        font-size: 1.2rem;
    }
    
    .index-title {
        font-size: 0.9rem;
    }
    
    .view-all-btn-container {
        margin: 10px 0;
    }
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    overflow: hidden;
}


.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info {
    padding: var(--spacing-lg);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.project-card:hover .project-info {
    transform: translateY(0);
}

.project-title {
    color: var(--white-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.project-year {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* 仅在大屏幕上应用固定尺寸 */
@media (min-width: 1200px) {
    /* 第1个和第4个卡片设置为固定尺寸 757px * 308px */
    .project-card:nth-child(1),
    .project-card:nth-child(4) {
        width: 757px;
        height: 308px;
    }
    
    /* 其他卡片设置为固定尺寸 562px * 308px */
    .project-card:not(:nth-child(1)):not(:nth-child(4)) {
        width: 562px;
        height: 308px;
    }
    
    /* 固定尺寸下的图片样式 */
    .project-card .project-image {
        width: 100%;
        height: 100%;
        padding-bottom: 0;
    }
}

/* 小屏幕和中等屏幕使用比例设置 */
@media (max-width: 1199px) {
    /* 第1个和第4个卡片设置为长图比例 */
    .project-card:nth-child(1) .project-image,
    .project-card:nth-child(4) .project-image {
        padding-bottom: 66.67%; /* 3:2 宽高比 - 长图 */
    }
    
    /* 其他卡片保持原有比例 */
    .project-card:not(:nth-child(1)):not(:nth-child(4)) .project-image {
        padding-bottom: 80%; /* 5:4 宽高比 */
    }
    
    /* 中等屏幕上的卡片布局优化 */
    .project-card {
        margin-bottom: var(--spacing-lg);
        width: 100%;
    }
}

/* 平板设备（768px-991px）响应式样式 */
@media (max-width: 991px) {
    /* 所有卡片统一比例 */
    .project-card .project-image {
        padding-bottom: 66.67%; /* 统一使用3:2宽高比 */
    }
    
    /* 调整卡片间距和尺寸 */
    .project-card {
        margin-bottom: var(--spacing-md);
    }
    
    .project-info {
        padding: var(--spacing-md);
    }
    
    .project-name {
        font-size: 1.3rem;
    }
}

/* 移动设备（≤767px）响应式样式 */
@media (max-width: 767px) {
    /* 确保卡片在移动设备上正常显示 */
    .project-card {
        width: 100%;
        margin-bottom: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
        display: grid;
        gap: var(--spacing-md);
    }
    
    /* 图片比例调整 */
    .project-card .project-image {
        padding-bottom: 75%; /* 4:3宽高比，更适合移动设备 */
    }
    
    /* 优化项目信息显示 */
    .project-info {
        padding: var(--spacing-sm);
    }
    
    .project-name {
        font-size: 1.1rem;
    }
    
    .view-details {
        font-size: 0.9rem;
    }
    
    /* 调整悬停效果以适应触摸设备 */
    .project-card:hover {
        transform: translateY(-5px); /* 减少移动设备上的上移效果 */
    }
    
    .project-card:hover .project-image img {
        transform: scale(1.03); /* 减少放大效果 */
    }
    .project-overlay{
        opacity: 1;
    }
    .project-card .project-info{
        transform: translateY(0);
    }
    .project-card:nth-child(1) .project-image, .project-card:nth-child(4) .project-image{
        padding-bottom: 45%;
    }
    .project-card:not(:nth-child(1)):not(:nth-child(4)) .project-image{
        padding-bottom: 45%;
    }
}

/* 小屏幕 (576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    /* 公司简介响应式 - 小屏幕 */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image::after {
        top: 15px;
        left: -15px;
    }
    
    .about-text {
        padding: var(--spacing-md);
    }
    
    .about-text .section-title {
        font-size: 2rem;
    }
    
    .company-stats {
        gap: var(--spacing-md);
    }
    
    /* 项目案例响应式 - 小屏幕 */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* 平板屏幕 (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    /* 公司简介响应式 - 平板屏幕 */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-image::after {
        top: 15px;
        left: -15px;
    }
    
    .company-stats {
        gap: var(--spacing-md);
    }
    
    /* 项目案例响应式 - 平板屏幕 */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .project-title {
        font-size: 1.3rem;
    }
    
    .project-year {
        font-size: 0.8rem;
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    /* 公司简介响应式 - 中等屏幕 */
    .about-content {
        gap: var(--spacing-lg);
    }
    
    .about-image::after {
        top: 15px;
        left: -15px;
    }
}

/* 搜索按钮样式 */
.search-box-wrapper .search-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: transparent;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 5px;
    font-size: 18px;
}

.search-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* 头部滚动后的搜索按钮样式 */
.main-header.scrolled .search-btn {
    color: #0a2463;
}

.main-header.scrolled .search-btn:hover {
    background-color: rgba(10, 36, 99, 0.1);
    color: #0a2463;
}

/* 搜索弹窗样式 */
.search-popup {
    position: fixed;
    top: 0;
    right: -100%;
    width: 400px;
    height: 100vh;
    background-color: #ffffff;
    z-index: 1001;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.search-popup.show {
    right: 0;
}

.search-popup-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 30px 20px;
}

.search-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid #f0f9ff;
    padding-bottom: 20px;
}

.search-popup-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #0a2463;
    margin: 0;
}

.search-close-btn {
    width: 40px;
    height: 40px;
    border: none;
    background-color: transparent;
    color: #666;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1002;
    position: relative;
}

/* 关闭按钮样式 - 确保与搜索提交按钮有明显区别 */
.search-close-btn {
    /* 基础样式，区别于提交按钮的蓝色背景 */
    background-color: #f9f9f9;
    color: #666666;
    border: 1px solid #e0e0e0;
}

.search-close-btn:hover {
    background-color: #f0f9ff;
    color: #ff4d4f;
    border-color: #ffccc7;
}

/* 移动端关闭按钮响应式控制 */
.mobile-close {
    display: none;
    margin-top: 20px;
    border: 2px solid #e0e0e0;
    width: 100%;
    border-radius: 25px;
    background-color: #f9f9f9;
    font-size: 18px;
    height: 45px;
    justify-content: center;
    align-items: center;
    color: #666666;
    /* 明确区分于提交按钮的圆形设计 */
}

.mobile-close:hover {
    background-color: #f0f9ff;
    border-color: #ff4d4f;
    color: #ff4d4f;
}


/* 搜索表单样式 */
.search-form {
    flex: 1;
    display: flex;
    align-items: flex-start;
}

.search-form form {
    width: 100%;
    position: relative;
}

.search-form input {
    width: 100%;
    height: 50px;
    padding: 0 20px;
    font-size: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-form input:focus {
    border-color: #0a2463;
}

/* 搜索提交按钮样式 - 使用[type="submit"]确保与关闭按钮样式区分 */
.search-form button[type="submit"] {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    background-color: #0a2463;
    color: #ffffff;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: block;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.search-form button[type="submit"]:hover {
    background-color: #1a3a86;
}

/* 搜索遮罩层样式 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* 搜索按钮样式 */
.search-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: transparent;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 15px;
    font-size: 18px;
}

.search-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* 头部滚动后的搜索按钮样式 */
.main-header.scrolled .search-btn {
    color: #0a2463;
}

.main-header.scrolled .search-btn:hover {
    background-color: rgba(10, 36, 99, 0.1);
    color: #0a2463;
}

/* 搜索弹窗样式 */
.search-popup {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: #ffffff;
    z-index: 1001;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.search-popup.show {
    right: 0;
}

.search-popup-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 30px 20px;
}

.search-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid #f0f9ff;
    padding-bottom: 20px;
}

.search-popup-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #0a2463;
    margin: 0;
}

.search-close-btn {
    width: 40px;
    height: 40px;
    border: none;
    background-color: transparent;
    color: #666;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-close-btn:hover {
    background-color: #f5f5f5;
    color: #0a2463;
}

/* 搜索表单样式 */
.search-form {
    flex: 1;
    display: flex;
    align-items: flex-start;
}

.search-form form {
    width: 100%;
    position: relative;
}

/* .search-form input {
    width: 100%;
    height: 50px;
    padding: 0 20px;
    font-size: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s ease;
} */

.search-form input:focus {
    border-color: #0a2463;
}

.search-form button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    background-color: #0a2463;
    color: #ffffff;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.search-form button:hover {
    background-color: #1a3a86;
}

/* 搜索遮罩层样式 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-overlay.show {
    opacity: 1;
    visibility: visible;
}

.search-form .mobile-close{
    display: none;
}
/* 响应式设计 */
@media (max-width: 767px) {
    .search-btn{
        color: #0a2463;
    }
    .search-btn:hover {
        color: #0a2463;
    }
    /* 移动端显示底部关闭按钮 */
    .desktop-close {
        display: none !important;
    }
    
    
    .search-form .mobile-close{
   
        display: flex !important;
    }
    
    .search-popup {
        max-width: 100%;
        right: -100%;
    }
    
    .search-popup-content {
        padding: 20px 15px;
    }
    
    .search-form input {
        height: 45px;
        font-size: 14px;
    }
    
    .search-form button {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    .mobile-close{
        display: flex;
    }
}


/* ========================== 产品详情页补充样式 ========================== */
/* 确保左右两列等高布局 */
.product-container .row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.product-container .col-md-6 {
    position: relative;
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    /* 确保列等高 */
    display: flex;
    flex-direction: column;
}

/* 确保左右两列内容区域高度一致 */
.product-gallery,
.product-details {
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* 确保内容容器也占据全部高度 */
.product-details-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.product-details-content h1{
    margin-bottom: var(--spacing-sm);
}

/* 桌面布局 */
@media (min-width: 768px) {
    .product-container .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* 正方形图片容器样式 */
.main-image-wrapper {
    background: white;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    padding-bottom: 100%;
    height: 0;
    overflow: hidden;
}

.main-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

/* 缩略图导航样式增强 */
.thumbnail-nav {
    display: flex;
    gap: 10px;
}

.thumbnail-item {
    flex: 1;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.thumbnail-item:hover,
.thumbnail-item.active {
    border-color: #007bff;
}

/* 产品标题样式 */
.product-title {
    font-size: 28px !important;
    font-weight: 700 !important;
    color: #333 !important;
    margin-bottom: 15px !important;
    line-height: 1.3 !important;
}
 
/* 产品元数据样式 */
.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
    margin: 15px 0;
    padding: 10px 0;
    background-color: #f8f9fa;
    display: inline-block; 
}

.product-meta .product-details-category {
    font-size: 14px;
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 描述区域样式 */
.product-details-description {
    margin-bottom: 20px;
}

.product-details-description .section-title {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: #333 !important;
    margin-bottom: 12px !important;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
    text-align: left;
    align-items:flex-start;
}

.description-text {
    font-size: 15px !important;
    line-height: 1.6 !important;
    color: #555 !important;
}

/* 特性列表样式 */
.product-highlights {
    margin-bottom: 25px;
}

.features-list {
    list-style: none;
    padding: 0 !important;
    margin: 0 !important;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}

.feature-item svg {
    margin-right: 10px;
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.feature-item span {
    font-size: 14px;
    color: #555;
}

/* 按钮样式补充 */
.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.product-details-btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    text-decoration: none !important;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: white;
}
.product-details-btn:hover {
    color: white;
}

.btn-primary {
    background-color: #007bff;
    
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* 响应式设计补充 */
@media (max-width: 1199px) {
    .product-main {
        padding: 30px;
    }
    
    .product-details-content {
        padding: 25px;
    }
    
    .product-details-title {
        font-size: 26px !important;
    }
    
    .product-details-description .section-title {
        font-size: 17px !important;
    }
    
    .description-text {
        font-size: 14px !important;
    }
}

@media (max-width: 991px) {
    .product-main {
        padding: 25px;
    }
    
    .product-container .row {
        margin-left: -10px;
        margin-right: -10px;
    }
    
    .product-container .col-md-6 {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .product-details-content {
        padding: 20px;
    }
    
    .product-details-title {
        font-size: 24px !important;
    }
    
    .product-meta .product-details-category {
        font-size: 13px;
    }
    
    .action-buttons {
        gap: 10px;
    }
    
    .product-details-btn {
        padding: 10px 18px;
        font-size: 13px;
    }
}

@media (max-width: 767px) {
    .product-main {
        padding: 20px 0;
    }
   
    .product-container .row{
        flex-direction: column;
    }
    .product-container .col-md-6 {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .product-details {
        margin-top: 20px;
    }
    
    .product-details-content {
        padding: 20px;
        border-radius: 6px;
    }
    
    .product-details-title {
        font-size: 22px !important;
        line-height: 1.2 !important;
    }
    
    .product-details-description .section-title {
        font-size: 16px !important;
        margin-bottom: 10px !important;
    }
    
    .description-text {
        font-size: 14px !important;
        line-height: 1.5 !important;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .product-details-btn {
        width: 100%;
        padding: 12px;
        font-size: 14px;
    }
    
    /* 优化移动端图片展示 */
    .main-image-wrapper {
        padding: 8px;
        border-radius: 6px;
    }
    .search-form button[type="submit"]{
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .product-main {
        padding: 15px 0;
    }
    
    .product-container .col-md-6 {
        padding: 0;
    }
    
    .product-details-content {
        padding: 0;
    }
    
    .product-details-title {
        font-size: 20px !important;
    }
    
    .product-meta {
        margin: 10px 0;
        padding: 8px 0;
    }
    
    .product-meta .product-details-category {
        font-size: 12px;
    }
    
    .product-details-description .section-title {
        font-size: 15px !important;
    }
    
    .description-text {
        font-size: 13px !important;
    }
    
    .product-details-btn {
        padding: 10px;
        font-size: 13px;
    }
    
    /* 小屏优化图片容器 */
    .main-image-wrapper {
        padding: 130px;
    }
}

/* ========================== 产品分类样式 ========================== */
.pro-cate {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pro-cate-child {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* ========================== 分页样式 ========================== */
.page {
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
}

.page-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f9ff;
}

.page-list li {
    list-style: none;
    margin: 0;
    padding: 0;
}
.page-list a,
.page-list span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    margin: 0 4px;
    padding: 0 10px;
    text-decoration: none;
    color: #333;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    background-color: #fff;
    font-size: 14px;
    line-height: 1;
    transition: all 0.3s ease;
    cursor: pointer;
}

.page-list a:hover {
    background-color: #f5f5f5;
    border-color: #1890ff;
    color: #1890ff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.2);
}

.page-list .active a {
    background-color: #1890ff;
    color: #fff;
    border-color: #1890ff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

/* 前后页按钮样式 */
.page-list .prev,
.page-list .next {
    font-size: 12px;
    padding: 0 14px;
    font-weight: 600;
}

/* 省略号样式 */
.page-list .ellipsis {
    color: #999;
    font-size: 16px;
    padding: 0 12px;
    pointer-events: none;
    cursor: default;
}

/* 禁用状态样式 */
.page-list .disabled { 
    color: #d9d9d9;
    cursor: not-allowed;
    background-color: #fafafa;
}

/* ========================== 产品详情页样式 ========================== */
.product-details {
    padding: 0;
    background-color: #f9f9f9;
}

.product-details .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 20px;
}

/* 产品标题与返回 */
.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
}

.product-name {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.back-link {
    color: #1890ff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.back-link:hover {
    color: #40a9ff;
}

/* 产品主图与信息 */
.product-main {
    display: flex;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 40px;
}

.product-gallery {
    flex: 1;
    max-width: 50%;
}

.main-image {
    margin-bottom: 20px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.product-img:hover {
    transform: scale(1.02);
}

.thumbnail-nav {
    display: flex;
    gap: 10px;
}

.thumbnail-item {
    flex: 1;
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.thumbnail-item:hover {
    border-color: #1890ff;
}

.thumbnail-item.active {
    border-color: #1890ff;
}

.thumbnail-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 产品信息 */
.product-info {
    flex: 1;
}

.info-title {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.info-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 25px;
}

.info-features {
    background-color: #f5f5f5;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    margin-bottom: 15px;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-label {
    font-weight: 600;
    color: #333;
    min-width: 60px;
}

.feature-value {
    color: #666;
    flex: 1;
}

.action-buttons {
    display: flex;
    gap: 15px;
}

.btn-contact,
.btn-inquiry {
    flex: 1;
    padding: 12px 24px;
    border-radius: 4px;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-contact {
    background-color: #1890ff;
    color: #fff;
    border: 1px solid #1890ff;
}

.btn-contact:hover {
    background-color: #40a9ff;
    border-color: #40a9ff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
}

.btn-inquiry {
    background-color: #fff;
    color: #1890ff;
    border: 1px solid #1890ff;
}

.btn-inquiry:hover {
    background-color: #f0f8ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.2);
}

/* 产品详情选项卡 */
.product-tabs {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background-color: #fafafa;
    border-bottom: 1px solid #e8e8e8;
}

.tab-item {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tab-item:hover {
    color: #1890ff;
    background-color: #f5f5f5;
}

.tab-item.active {
    color: #1890ff;
    background-color: #fff;
    border-bottom: 2px solid #1890ff;
}

.tab-contents {
    padding: 30px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 产品介绍内容 */
.intro-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 25px 0 15px;
}

.intro-content h4:first-child {
    margin-top: 0;
}

.intro-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.feature-list {
    padding-left: 20px;
    margin: 20px 0;
}

.feature-list li {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 10px;
}

/* 技术参数表格 */
.specification-table {
    overflow-x: auto;
}

.specification-table table {
    width: 100%;
    border-collapse: collapse;
}

.specification-table th,
.specification-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e8e8e8;
}

.specification-table th {
    background-color: #fafafa;
    font-weight: 600;
    color: #333;
    min-width: 150px;
}

.specification-table td {
    color: #666;
}

.specification-table tr:hover td {
    background-color: #f5f5f5;
}

/* 应用场景 */
.application-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.application-card {
    background-color: #f9f9f9;
    border-radius: 6px;
    padding: 25px;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.application-card:hover {
    background-color: #fff;
    border-color: #1890ff;
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(24, 144, 255, 0.15);
}

.app-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    border-radius: 50%;
}

.app-icon.building {
    background-color: #e6f7ff;
}

.app-icon.bridge {
    background-color: #f6ffed;
}

.app-icon.energy {
    background-color: #fffbe6;
}

.app-icon.water {
    background-color: #f0f5ff;
}

.application-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.application-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin: 0;
}

.application-showcase {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

/* 相关产品推荐 */
.related-products h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.related-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.related-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.related-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.related-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 15px;
    text-align: center;
}

.view-detail {
    display: block;
    text-align: center;
    padding: 10px;
    background-color: #f5f5f5;
    color: #1890ff;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.view-detail:hover {
    background-color: #1890ff;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-details {
        padding: 30px 0;
    }
    
    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .product-name {
        font-size: 24px;
    }
    
    .product-main {
        flex-direction: column;
        padding: 20px;
    }
    
    .product-gallery,
    .product-info {
        max-width: 100%;
        margin-left: 0;
    }
    
    .product-gallery {
        margin-bottom: 25px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .tabs-nav {
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .tab-item {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .tab-contents {
        padding: 20px;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-name {
        font-size: 20px;
    }
    
    .info-title {
        font-size: 18px;
    }
    
    .info-desc,
    .feature-list li {
        font-size: 14px;
    }
    
    .related-item img {
        height: 150px;
    }
}

.page-list .disabled:hover {
    background-color: #fafafa;
    border-color: #e6e6e6;
    color: #d9d9d9;
    transform: none;
    box-shadow: none;
}

/* 分页响应式设计 */
@media (max-width: 767px) {
    .page {
        margin-top: 20px;
        padding: 15px 0;
    }
    
    .page-list {
        padding: 6px;
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .page-list a,
    .page-list span {
        min-width: 32px;
        height: 32px;
        margin: 0;
        padding: 0 8px;
        font-size: 13px;
    }
    
    .page-list .prev,
    .page-list .next {
        padding: 0 12px;
    }
}

/* ========================== 子页Banner样式 ========================== */
.sub-banner {
    position: relative;
    height: 574px;
    overflow: hidden;
}

.sub-banner .image-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.sub-banner .pc-banner {
    display: block;
    height: 574px;
    background-size: cover;
    background-position: center;
}

.sub-banner .mobile-banner {
    display: none;
    height: 200px;
    background-size: cover;
    background-position: center;
}

.sub-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

.sub-banner .banner-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 800px;
    color: var(--white-color);
    z-index: 2;
}

.sub-banner .banner-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* 子页Banner响应式设计 */
/* 平板设备 (768px - 1199px) */
@media (max-width: 1199px) {
    .sub-banner {
        height: 250px;
    }
    .sub-banner .pc-banner {
        height: 250px;
    }
    .sub-banner .banner-title {
        font-size: 2rem;
    }
}

/* 中等平板设备 (768px - 991px) */
@media (max-width: 991px) {
    .sub-banner {
        height: 200px;
    }
    .sub-banner .pc-banner {
        height: 200px;
    }
    .sub-banner .banner-content {
        left: 8%;
        max-width: 600px;
    }
    .sub-banner .banner-title {
        font-size: 1.8rem;
    }
}

/* 小屏幕设备 (576px - 767px) */
@media (max-width: 767px) {
    .sub-banner {
        height: 180px;
    }
    /* 在小屏幕上显示手机版banner，隐藏PC版 */
    .sub-banner .pc-banner {
        display: none;
    }
    .sub-banner .mobile-banner {
        display: block;
        height: 180px;
    }
    .sub-banner .banner-content {
        left: 6%;
        max-width: 400px;
    }
    .sub-banner .banner-title {
        font-size: 1.6rem;
    }
}

/* 超小屏幕设备 (小于576px) */
@media (max-width: 575px) {
    .sub-banner {
        height: 240px;
    }
    /* 在超小屏幕上显示手机版banner，隐藏PC版 */
    .sub-banner .pc-banner {
        display: none;
    }
    .sub-banner .mobile-banner {
        display: block;
        height: 240px;
    }
    .sub-banner .banner-content {
        left: 5%;
        right: 5%;
        max-width: 100%;
    }
    .sub-banner .banner-title {
        font-size: 1.4rem;
    }
}

/* 钢铁公司网站样式文件 */

/* ========================== 产品中心样式 ========================== */
/* 产品中心布局 */
.product-center {
    display: flex;
    margin-top: var(--spacing-lg);
    gap: var(--spacing-xl);
}

/* 产品左侧分类 */
.product-left {
    width: 280px;
    flex-shrink: 0;
}

.pro-title {
    background-color: #015a92;
    color: var(--white-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.pro-title h3 {
    color: var(--white-color);
    margin: 0;
    font-size: 1.25rem;
}

.pro-cate {
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.pro-cate > li {
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.pro-cate > li:last-child {
    border-bottom: none;
}

.pro-cate > li > a {
    display: block;
    padding: var(--spacing-md);
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.pro-cate > li > a:after {
    content: '>';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--lighter-gray);
    font-size: 0.875rem;
}

.pro-cate > li:hover > a,
.pro-cate > li.active > a {
    color: #015a92;
    background-color: var(--background-color);
    padding-left: calc(var(--spacing-md) + var(--spacing-xs));
}

.pro-cate-child {

    width: 100%;
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    display: none;
    z-index: 10;
}

.pro-cate-child li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.pro-cate-child li:hover a,
.pro-cate-child li.active a {
    color: #015a92;
    background-color: var(--background-color);
    padding-left: calc(var(--spacing-md) + var(--spacing-xs));
}

/* 推荐产品 */
.pro-rec {
    margin-top: var(--spacing-lg);
}

.pro-rec-list {
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    padding: var(--spacing-md);
}

.pro-rec-list li {
    margin-bottom: var(--spacing-md);
    transition: var(--transition-fast);
}

.pro-rec-list li:hover {
    transform: translateX(var(--spacing-xs));
}

.pro-rec-list li:last-child {
    margin-bottom: 0;
}

.pro-rec-img {
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    border-radius: var(--border-radius-sm);
}

.pro-rec-img img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.pro-rec-list li:hover .pro-rec-img img {
    transform: scale(1.05);
}

.pro-rec-name p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-color);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 产品右侧内容 */
.product-right {
    flex: 1;
}

.pro-list-title {
    background-color: var(--white-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.pro-list-title h2 {
    margin: 0;
    font-size: 1.75rem;
    position: relative;
    padding-bottom: 0;
}

.pro-list-title h2:after {
    display: none;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.product-item {
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.product-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.product-img {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
}

.product-img img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.125rem;
    height: 78px;
    overflow: hidden;
    display: flex;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    align-items: center;
    justify-content: center;
}

.product-info h3 a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.product-info h3 a:hover {
    color: #015a92;
}

.product-desc {
    font-size: 0.875rem;
    color: var(--light-gray);
    margin-bottom: var(--spacing-sm);
    height: auto;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-height: 1.5;
    min-height: 3.6em;
    max-height: 3.6em;
}

.product-price {
    margin-bottom: var(--spacing-md);
}

.product-price span {
    font-size: 1.25rem;
    font-weight: 600;
    color: #015a92;
}

.product-btn {
    text-align: center;
}

.view-btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--secondary-color);
    color: var(--white-color);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.view-btn:hover {
    background-color: #015a92;
    transform: translateY(-2px);
}

/* 产品详情页面 */
.product-detail {
    margin-top: var(--spacing-lg);
}

.product-detail-main {
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.product-detail-img {
    width: 45%;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--border-radius-md);
}

.product-detail-img img {
    width: 100%;
    height: auto;
    transition: var(--transition-normal);
}

.product-detail-img:hover img {
    transform: scale(1.02);
}

.product-detail-info {
    flex: 1;
}

.product-detail-info h1 {
    margin-top: 0;
    font-size: 2rem;
    line-height: 1.4;
}

.product-detail-price {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--background-color);
    border-radius: var(--border-radius-sm);
}

.product-detail-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #015a92;
}

.product-detail-meta {
    margin-bottom: var(--spacing-lg);
}

.meta-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.meta-label {
    width: 80px;
    color: var(--lighter-gray);
    flex-shrink: 0;
}

.meta-value {
    color: var(--gray-color);
}

.product-detail-desc {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background-color: var(--background-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    line-height: 1.8;
}

.product-detail-btns {
    display: flex;
    gap: var(--spacing-md);
}

.contact-btn,
.back-btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    transition: var(--transition-fast);
    font-weight: 500;
}

.contact-btn {
    background-color: #015a92;
    color: var(--white-color);
    border: 2px solid #015a92;
}

.contact-btn:hover {
    background-color: #014d7d;
    border-color: #014d7d;
    transform: translateY(-2px);
}

.back-btn {
    background-color: var(--white-color);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.back-btn:hover {
    background-color: var(--secondary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* 产品详情内容 */
.product-detail-content {
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.content-title {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.content-title h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.content-title h3:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background-color: #015a92;
}

.product-content {
    line-height: 1.8;
    color: var(--gray-color);
    font-size: 0.9375rem;
}

.product-content img {
    max-width: 100%;
    height: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius-sm);
}

.product-content p {
    margin-bottom: var(--spacing-md);
}

.product-content h2,
.product-content h3,
.product-content h4,
.product-content h5,
.product-content h6 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* 相关产品 */
.product-related {
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.related-product-list {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.related-product-item {
    flex: 1;
    min-width: 160px;
    background-color: var(--background-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: var(--transition-normal);
}

.related-product-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-sm);
}

.related-product-img {
    padding-bottom: 100%;
    position: relative;
    overflow: hidden;
}

.related-product-img img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.related-product-name {
    padding: var(--spacing-sm);
    text-align: center;
}

.related-product-name p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.related-product-price {
    padding: 0 var(--spacing-sm) var(--spacing-sm);
    text-align: center;
}

.related-product-price span {
    font-size: 0.875rem;
    font-weight: 600;
    color: #015a92;
}


/* 响应式设计 */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-detail-main {
        flex-direction: column;
    }
    
    .product-detail-img {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .product-center {
        flex-direction: column;
    }
    
    .product-left {
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .related-product-list {
        justify-content: center;
    }
    
    .related-product-item {
        min-width: 120px;
        max-width: 160px;
    }
    
    .product-detail-btns {
        flex-direction: column;
    }
    
    .contact-btn,
    .back-btn {
        text-align: center;
    }
}

/* ========================== 英文公司介绍页面样式 ========================== */

/* Banner样式 */
.image-layer.pc-banner {
    background-image: url(__PUBLIC__/home/images/steel_banner.jpg);
    height: 574px;
    background-size: cover;
    background-position: center;
}

.image-layer.mobile-banner {
    display: none;
    background-image: url(__PUBLIC__/home/images/steel_banner.jpg);
    height: 300px;
    background-size: cover;
    background-position: center;
}

/* 主内容区样式 */

/* 公司简介 */
.company-profile {
    margin-bottom: 80px;
    padding: 240px 0 20px;
    background: url('../images/aboutbg.jpg') no-repeat center center/cover;
}

/* 标题样式 */
.page-about-content {
    background: #fff;
}
.page-about-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.page-about-content h2 span {
    position: relative;
    z-index: 1;
    display: inline-block;
}

.page-about-content h2 span::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: #e60012;
}

/* 公司简介布局 */

.profile-content{
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    max-width: 1400px;
    margin: 40px auto 60px;
    position: relative;
    gap: 0;
}

.page-about-content  .section-title-content .index-title-divider{
    height: 10px;
    background: linear-gradient(90deg, #015a92, transparent);
    margin-top: 15px;
    width: 142px;
}


/* 左侧简介样式 */
.profile-text {
    flex: 1;
    background-color: rgba(200, 200, 200, 0.7);
    padding: 30px;
    position: relative;
    z-index: 2;
    margin-right: -140px;
    margin-top: 250px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-text .profile-paragraph {
    color: #000;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* MORE按钮样式 */
.more-btn {
    background-color: #e60012;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

.more-btn:hover {
    background-color: #c1121f;
}

/* 右侧视频容器样式 */
.video-container {
    flex: 1;
    position: relative;
    z-index: 1;
    overflow: hidden;
    border-radius: 8px;
}

.video-thumbnail {
    position: relative;
    cursor: pointer;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

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

.video-thumbnail:hover .video-poster {
    transform: scale(1.05);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(230, 0, 18, 0.8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    transition: all 0.3s ease;
    z-index: 999;
}

.video-thumbnail:hover .play-icon {
    background-color: rgba(230, 0, 18, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

/* 视频播放模块样式 */
.video-player-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-player-overlay.active {
    opacity: 1;
    visibility: visible;
}

.video-player-content {
    width: 90%;
    max-width: 1000px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 30px;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 1001;
}

.close-btn:hover {
    color: #e60012;
}

.video-wrapper {
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    position: relative;
    height: 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


.company-profile .image-container {
    flex: 1;
    position: relative;
}

.company-profile .image-container::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid #ddd;
}

.company-profile img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.company-profile .text-content {
    flex: 1;
}

.company-profile p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

/* 数据统计 */
.stats-container {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 100px;
    padding: 0 20px;
}

.stat-item:not(:last-child) {
    border-right: 1px solid #ddd;
}

.stat-item .stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #e60012;
    margin-bottom: 5px;
}

.stat-item .stat-label {
    font-size: 14px;
    color: #999;
}

/* 董事长致辞 */
.chairman-letter {
    background-color: #fff;
    padding: 60px 40px 145px;
    border-radius: 8px;
    position: relative;
    min-height: 400px;
}

.chairman-letter > div {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.chairman-letter .letter-content {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.chairman-letter .letter-text-container {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.chairman-letter .red-decoration-line {
    width: 56px;
    height: 460px;
    background-color: #015a92;
    flex-shrink: 0;
}

.chairman-letter .letter-text {
    background-color: #eeeeee;
    color: #505050;
    padding: 30px 40px 165px;
    flex: 1;

}

.chairman-letter .letter-text p {
    color: #505050;
}

.chairman-letter p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.chairman-letter .signature {
    margin-top: 30px;
    text-align: right;
}

.chairman-letter .signature p {
    margin: 5px 0;
}

.chairman-letter .signature .greeting {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.chairman-letter .signature .name {
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

.chairman-letter .chairman-photo {
    position: absolute;
    left: 180px;
    bottom: -145px;
    z-index: 1;
}

.chairman-letter .chairman-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 组织结构 */
.org-structure {
    margin-bottom: 80px;
    padding: 60px 40px;
}

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

.org-structure .org-title .company-name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.org-structure .org-title .chart-label {
    font-size: 16px;
    color: #666;
    margin-top: 5px;
}

.org-structure .org-chart {
    max-width: 1000px;
    margin: 0 auto;
    overflow-x: auto;
}

.org-chart-container {
    min-width: 900px;
    padding: 20px;
}

.org-level {
    text-align: center;
    margin-bottom: 30px;
}

.org-chairman {
    display: inline-block;
    background-color: #e60012;
    color: white;
    padding: 15px 40px;
    border-radius: 5px;
    font-weight: 600;
}

.org-manager {
    display: inline-block;
    background-color: #333;
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
}

.org-departments {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.org-department {
    flex: 1;
    min-width: 150px;
    background-color: #f0f9ff;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
}

.org-subdepartments {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.org-subdepartment {
    flex: 1;
    min-width: 100px;
    background-color: #e8e8e8;
    padding: 8px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
}

/* 企业文化 */
.corporate-culture {
    /* margin-bottom: 80px; */
    background-color: #f5f5f5;
    padding: 60px 0;
    background: url('../images/culturebg.jpg') center/cover no-repeat;
}

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

.culture-values {
    padding: 80px 0;
    position: relative;
    background-image: url('../images/culture-bg.jpg');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.culture-values .container {
    position: relative;
}

.culture-values .section-title {
    color: white;
    margin-bottom: 80px;
    text-align: center;
}

/* 图片容器 */
.culture-values-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

/* 文化价值观图片样式 */
.culture-values-image {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

/* 公司名称卡片样式 */
.name-container {
    display: flex;
    justify-content: space-between;
    gap: 95px;
    max-width: 1400px;
    margin: 40px auto 0;
    flex-wrap: wrap;
}

.corporate-culture  .section-title h1{
    color: #ffffff;
}

.corporate-culture .section-title h1 span{
    color: #ffffff;
}
.corporate-culture .index-title{
    color: #ffffff;
}

.name-card {
    flex: 1;
    min-width: 280px;
    padding: 30px;

    border-radius: 8px;
    text-align: center;
    border: 2px solid white;
    color: white;
    transition: all 0.3s ease;
}

.name-card:hover {
    border-color: #015a92;
    color: #015a92;
}

.name-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
    text-transform: uppercase;
    color: #ffffff;
}

.title-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, white, transparent);
    margin: 15px auto;
    width: 80%;
}

.name-card:hover .title-divider {
    background: linear-gradient(to right, transparent, #015a92, transparent);
}
.name-card:hover .name-title {
    color: #015a92;
}
.name-description {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    color: #ffffff;
}
.name-card:hover .name-description {
    color: #015a92;
}
/* 响应式设计 */
@media (max-width: 1200px) {
    .culture-values-grid {
        padding: 15px 0;
    }
}

@media (max-width: 768px) {
    .culture-values-grid {
        padding: 10px;
    }
    
    .culture-values-image {
        border-radius: 4px;
    }
    

    /* 响应式名称卡片 */
    .name-container {
        flex-direction: column;
        gap: 20px;
        padding: 0 15px;
    }
    
    .name-card {
        min-width: auto;
        padding: 20px;
        border: 2px solid white;
        color: white;
    }
    
    .name-card:hover {
        border-color: #015a92;
        color: #015a92;
    }
    
    .name-title {
        font-size: 28px;
        margin-bottom: 10px;
    }
    
    .title-divider {
        margin: 10px 0;
    }
    
    .name-description {
        font-size: 14px;
    }
    
    .value-number {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .value-title {
        font-size: 20px;
    }
    
    .value-description {
        font-size: 14px;
    }
}

/* 公司名称含义 */
.our-name {
    margin-bottom: 80px;
    text-align: center;
}

.name-items {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto;
}

.name-item {
    flex: 1;
    min-width: 200px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.name-item h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.name-item h3.xin, .name-item h3.run {
    color: #e60012;
}

.name-item h3.yi {
    color: #333;
}

.name-item p {
    font-size: 16px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-profile > div,
    .chairman-letter > div,
    .contact-content {
        flex-direction: column;
        align-items: center;
    }
    
    .company-profile .image-container {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .chairman-letter .chairman-photo {
        position: static;
        width: 100%;
        max-width: 300px;
        margin: 20px auto;
    }
    
    .chairman-letter {
        padding: 40px 20px;
    }
    
    .culture-items,
    .name-items {
        flex-direction: column;
        align-items: center;
    }
    
    .culture-item,
    .name-item {
        width: 100%;
        max-width: 400px;
    }
    
    .org-departments,
    .org-subdepartments {
        flex-direction: column;
        gap: 15px;
    }
    
    .org-chart-container {
        min-width: auto;
    }
}

/* 响应式设计 */
@media (max-width: 1199px) {
    /* 公司简介响应式 */
    .company-profile {
        padding: 200px 0 20px;
    }
    
    .profile-content {
        max-width: 1200px;
        margin: 30px auto 50px;
    }
    
    .profile-text {
        margin-right: -100px;
        margin-top: 200px;
        padding: 25px;
    }
    
    .video-thumbnail {
        height: 450px;
    }
    
    /* 董事长致辞响应式 */
    .chairman-letter {
        padding: 50px 30px 120px;
    }
    
    .chairman-letter .letter-content {
        min-width: 280px;
    }
    
    .chairman-letter .red-decoration-line {
        width: 46px;
        height: 400px;
    }
    
    .chairman-letter .letter-text {
        padding: 25px 30px 140px;
    }
    
    .chairman-letter .chairman-photo {
        left: 150px;
        bottom: -120px;
    }
    
    /* 组织结构响应式 */
    .org-structure {
        padding: 50px 30px;
    }
    
    /* 企业文化响应式 */
    .corporate-culture {
        padding: 50px 0;
    }
    
    .culture-values {
        padding: 60px 0;
    }
    
    .name-container {
        gap: 60px;
        margin: 30px auto 0;
    }
    
    .name-card {
        padding: 25px;
    }
}

@media (max-width: 991px) {
    /* 公司简介响应式 */
    .company-profile {
        padding: 180px 0 20px;
    }
    
    .profile-content {
        flex-direction: column;
        gap: 20px;
        max-width: 100%;
        margin: 20px auto 40px;
    }
    
    .profile-text {
        margin-right: 0;
        margin-top: 0;
        width: 100%;
        padding: 20px;
    }
    
    .video-container {
        width: 100%;
    }
    
    .video-thumbnail {
        height: 350px;
    }
    
    /* 数据统计响应式 */
    .stats-container {
        gap: 15px;
    }
    
    .stat-item {
        min-width: 80px;
        padding: 0 15px;
    }
    
    .stat-item .stat-number {
        font-size: 28px;
    }
    
    /* 董事长致辞响应式 */
    .chairman-letter {
        padding: 40px 20px 100px;
        min-height: 350px;
    }
    
    .chairman-letter > div {
        gap: 30px;
    }
    
    .chairman-letter .letter-content {
        min-width: 250px;
    }
    
    .chairman-letter .red-decoration-line {
        width: 36px;
        height: 350px;
    }
    
    .chairman-letter .letter-text {
        padding: 20px 25px 120px;
    }
    
    .chairman-letter .chairman-photo {
        left: 120px;
        bottom: -100px;
    }
    
    /* 组织结构响应式 */
    .org-structure {
        padding: 40px 20px;
        margin-bottom: 60px;
    }
    
    .org-chart-container {
        min-width: 700px;
    }
    
    /* 企业文化响应式 */
    .corporate-culture {
        padding: 40px 0;
        margin-bottom: 60px;
    }
    
    .culture-values {
        padding: 50px 0;
    }
    
    .name-container {
        gap: 40px;
    }
    
    .name-card {
        min-width: 250px;
        padding: 20px;
    }
    
    .name-title {
        font-size: 32px;
    }
}

@media (max-width: 767px) {
    /* 公司简介响应式 */
    .company-profile {
        padding: 150px 0 20px;
        margin-bottom: 60px;
    }

    .page-about-content .section-title-content .index-title-divider{
        display: none;
    }
    
    .profile-text {
        padding: 15px;
    }
    
    .profile-text .profile-paragraph {
        font-size: 15px;
        margin-bottom: 15px;
    }
    
    .more-btn {
        padding: 10px 20px;
        font-size: 14px;
        margin: 0 auto;
    }
    
    .video-thumbnail {
        height: 280px;
    }
    
    .play-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    /* 数据统计响应式 */
    .stats-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid #ddd;
        padding: 10px 0;
    }
    
    .stat-item:last-child {
        border-bottom: none;
    }
    
    /* 董事长致辞响应式 */
    .chairman-letter {
        padding: 30px 15px 80px;
        min-height: 300px;
    }
    
    .chairman-letter > div {
        gap: 20px;
    }
    
    .chairman-letter .letter-text-container {
        flex-direction: column;
    }
    
    .chairman-letter .red-decoration-line {
        width: 100%;
        height: 5px;
        margin-bottom: 15px;
        display: none;
    }
    
    .chairman-letter .letter-text {
        padding: 15px 20px 80px;
    }
    
    .chairman-letter p {
        font-size: 15px;
        margin-bottom: 15px;
    }
    
    .chairman-letter .chairman-photo {
        position: static;
        width: 100%;
        max-width: 100%;
        margin: 20px auto 0;
    }
    
    /* 组织结构响应式 */
    .org-structure {
        padding: 30px 15px;
        margin-bottom: 40px;
    }
    
    .org-chart-container {
        min-width: auto;
        padding: 10px;
    }
    
    .org-level {
        margin-bottom: 20px;
    }
    
    .org-chairman, .org-manager {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .org-departments, .org-subdepartments {
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .org-department {
        min-width: 120px;
        padding: 8px;
        font-size: 13px;
    }
    
    .org-subdepartment {
        min-width: 80px;
        padding: 6px;
        font-size: 12px;
    }
    
    /* 企业文化响应式 */
    .corporate-culture {
        padding: 30px 0;
        margin-bottom: 40px;
    }
    
    .culture-values {
        padding: 40px 0;
    }
    
    .culture-values-grid {
        padding: 10px;
    }
    
    .name-container {
        flex-direction: column;
        gap: 20px;
        padding: 0 15px;
    }
    
    .name-card {
        min-width: auto;
        padding: 15px;
    }
    
    .name-title {
        font-size: 28px;
        margin-bottom: 10px;
    }
    
    .title-divider {
        margin: 10px auto;
    }
    
    .name-description {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* 公司简介响应式 */
    .company-profile {
        padding: 50px 0 20px;
        margin-bottom: 40px;
    }
    
    .video-thumbnail {
        height: 220px;
    }
    
    .play-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    /* 董事长致辞响应式 */
    .chairman-letter {
        padding: 20px 10px 60px;
    }
    
    .chairman-letter .letter-text {
        padding: 10px 15px 10px;
    }
    
    .chairman-letter p {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .chairman-letter .signature .greeting,
    .chairman-letter .signature .name {
        font-size: 16px;
    }
    
    /* 组织结构响应式 */
    .org-structure {
        padding: 20px 10px;
    }
    
    .org-department {
        min-width: calc(50% - 4px);
    }
    
    .org-subdepartment {
        min-width: calc(50% - 4px);
    }
    
    /* 企业文化响应式 */
    .corporate-culture {
        padding: 20px 0;
    }
    
    .name-card {
        padding: 12px;
    }
    
    .name-title {
        font-size: 24px;
    }
    
    .name-description {
        font-size: 13px;
    }
}
/* ========================== 案例页面样式 ========================== */
.case-center {
    padding: 60px 0;
}

/* 案例过滤按钮 */
.case-filter {
    display: flex;
    justify-content: center;
    margin: 40px 0;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    display: inline-block;
    background: transparent;
    border: 2px solid #fff;
    color: #5a5858;
    padding: 10px 20px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.filter-btn:hover,
.filter-btn.active {
    background: #015a92;
    border-color: #015a92;
    color: #fff;
}

/* 案例网格布局 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

/* 案例卡片 */
.case-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 15px 30px rgba(148, 148, 148, 0.2);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(1,90,146, 0.3);
}

/* 案例图片 */
.case-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

/* 案例图片悬停层 */
.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(1, 90, 146, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.case-detail-btn {
    color: #fff;
    border: 2px solid #fff;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.case-detail-btn:hover {
    background: #fff;
    color: #015a92;
}
.case-detail-btn a{
    color: #ffffff;
}
.case-detail-btn:hover a{
    color: #015a92;
}
/* 案例信息 */
.case-info {
    padding: 25px;
}

.case-title {
    color: #5a5858;
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: bold;
}

.case-description {
    color: #5a5858;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.case-type {
    padding: 3px 8px;
    background: rgba(229, 14, 28, 0.2);
    border-radius: 3px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .case-image {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .case-center {
        padding: 40px 0;
    }
    
    .case-filter {
        margin: 30px 0;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .case-image {
        height: 220px;
    }
    
    .case-info {
        padding: 20px;
    }
    
    .case-title {
        font-size: 18px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .page-btn {
        padding: 10px 15px;
        font-size: 13px;
    }
}

/* 搜索页面样式 */
/* 搜索框样式 */
.search-box-wrapper {
    background: #f5f5f5;
    padding: 30px 0;
    margin-bottom: 40px;
}

.search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    flex: 1;
    height: 50px;
    padding: 0 20px;
    border: 2px solid #333;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
    outline: none;
}

.search-input:focus {
    border-color: #015a92;
}

.search-box-wrapper .search-btn {
    width: 60px;
    height: 50px;
    background: #015a92;
    border: none;
    border-radius: 0 4px 4px 0;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-box-wrapper .search-btn:hover {
    background: #c0392b;
}

.search-info {
    max-width: 600px;
    margin: 15px auto 0;
    color: #666;
    font-size: 14px;
}

.search-info .keyword {
    color: #015a92;
    font-weight: bold;
}

/* 搜索结果网格 */
.search-result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

/* 产品项样式 */
.product-item {
    background: white;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

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

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin: 0 0 10px;
    font-size: 16px;
    line-height: 1.4;
}

.product-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.product-info h3 a:hover {
    color: #015a92;
}

.product-desc {
    margin: 0 0 15px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    margin: 0 0 15px;
    color: #015a92;
    font-size: 18px;
    font-weight: bold;
}

.product-btn {
    text-align: center;
}

.view-btn {
    display: inline-block;
    padding: 8px 20px;
    background: #333;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.view-btn:hover {
    background: #015a92;
}

/* 空结果样式 */
.search-result-empty {
    text-align: center;
    padding: 80px 0;
    color: #666;
}

.search-result-empty i {
    color: #ccc;
    margin-bottom: 20px;
}

.search-result-empty p {
    margin: 10px 0;
    font-size: 16px;
}

.search-result-empty .keyword {
    color: #015a92;
    font-weight: bold;
}

.suggestion {
    color: #999 !important;
    font-size: 14px !important;
}

/* 热门搜索样式 */
.hot-search-section {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.hot-search-section h3 {
    margin: 0 0 20px;
    font-size: 18px;
    color: #333;
}

.hot-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hot-keywords a {
    display: inline-block;
    padding: 6px 15px;
    background: white;
    color: #666;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s;
    border: 1px solid #eee;
}

.hot-keywords a:hover {
    background: #015a92;
    color: white;
    border-color: #015a92;
}

/* 响应式设计 */
@media (max-width: 1199px) {
    .search-result-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 991px) {
    .search-result-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-img {
        height: 180px;
    }
}

@media (max-width: 767px) {
    .search-box-wrapper {
        padding: 20px 15px;
    }
    
    .search-form {
        max-width: 100%;
    }
    
    .search-input {
        font-size: 14px;
        height: 45px;
    }
    
    .search-btn {
        height: 45px;
    }
    
    .search-result-grid {
        grid-template-columns: 1fr;
    }
    
    .product-img {
        height: 220px;
    }
    
    .hot-search-section {
        padding: 20px 15px;
    }
    
    .hot-keywords a {
        padding: 5px 12px;
        font-size: 13px;
    }
}

/* ========================== 导航下拉菜单样式 ========================== */
/* 桌面端下拉菜单 */
.desktop-nav .nav-item {
    position: relative;
}



.desktop-nav .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) 0;
    margin-top: 2px;
    z-index: 1000;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

.desktop-nav .nav-item.has-dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.desktop-nav .dropdown-item a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-color);
    font-size: 12px;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.desktop-nav .dropdown-item a:hover {
    color: #015a92;
    background-color: #f0f9ff;
    padding-left: calc(var(--spacing-md) + 5px);
}

/* 移动端下拉菜单 */

.mobile-nav .dropdown-menu {
    background-color: rgba(0, 0, 0, 0.05);
    border-left: 3px solid #015a92;
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
    margin-top: 5px;
    margin-bottom: 5px;
    padding: 0;
    display: none;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.mobile-nav .dropdown-item a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--light-gray);
    font-size: 13px;
    transition: all var(--transition-fast);
}

.mobile-nav .dropdown-item a:hover {
    color: #015a92;
    background-color: rgba(0, 0, 0, 0.05);
}

/* 头部滚动时的下拉菜单样式 */
.main-header.scrolled .desktop-nav .dropdown-menu {
    background-color: var(--white-color);
}



/* 响应式调整 */
@media (max-width: 991px) {
  
    
    .desktop-nav .dropdown-menu {
        min-width: 180px;
    }
}

@media (max-width: 767px) {
  
    .main-header{
        background: #ffffff;
    }
    .desktop-nav .dropdown-menu {
        display: none !important;
    }
}

.child_cate {
    background-color: var(--white-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-md) 0;
    padding: 0;
    overflow: hidden;
}

.child_cate ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.child_cate li {
    flex: 0 0 auto;
    margin: 0;
    position: relative;
}

.child_cate a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--light-gray);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.child_cate a:hover {
    color: #015a92;
    background-color: rgba(57, 103, 230, 0.05);
}

.child_cate a.on {
    color: #015a92;
    font-weight: 600;
    background-color: rgba(57, 103, 230, 0.05);
}

.child_cate a.on::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #015a92;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .child_cate {
        border-radius: 0;
        box-shadow: none;
        margin: 0;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    
    .child_cate ul {
        flex-direction: column;
    }
    
    .child_cate li {
        flex: 0 0 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .child_cate li:last-child {
        border-bottom: none;
    }
    
    .child_cate a {
        padding: var(--spacing-md);
        font-size: 0.95rem;
    }
}

@media (min-width: 769px) and (max-width: 1200px) {
    .child_cate a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
}