/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #1e3a8a; /* 深蓝色 */
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #1B2A84; /* 亮蓝色 */
}

.section-header p {
    font-size: 1.1rem;
    color: #4b5563; /* 深灰色 */
    max-width: 600px;
    margin: 0 auto;
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px 20px; /* 再增加1px，从25px改为26px，达到原始高度 */
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo h1 {
    font-size: 1.8rem;
    color: #1e3a8a; /* 深蓝色 */
    margin-bottom: 5px;
}

.logo p {
    font-size: 0.9rem;
    color: #3b82f6; /* 亮蓝色 */
}

.navbar ul {
    display: flex;
    list-style: none;
}

.navbar ul li {
    margin-left: 30px;
}

.navbar ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.25rem; /* 加大两号 */
    transition: all 0.3s ease;
    padding: 8px 12px;
    position: relative;
    display: inline-block;
}

.navbar ul li a:hover,
.navbar ul li a.active {
    color: #1B2A84; /* 亮蓝色 */
}

.navbar ul li a::after {
    content: '';
    position: absolute;
    bottom: -32px; /* 向上调整3px，从-31px调整到-28px */
    left: 50%;
    width: 0;
    height: 3px;
    background-color: #1B2A84; /* 亮蓝色 */
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1.5px;
}

.navbar ul li a:hover::after,
.navbar ul li a.active::after {
    width: calc(100% - 24px); /* 减去padding，使线条与文本宽度匹配 */
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: #1e3a8a; /* 深蓝色 */
    cursor: pointer;
}

/* Banner轮播 */
.banner {
    height: 750px;
    width: 100%;
    overflow: hidden;
    position: relative;
    margin-top: 80px;
}

.banner-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 30px 40px;
    border-radius: 10px;
    max-width: 800px;
    width: 90%;
}

.slide-content h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.slide-content p {
    font-size: 1.3rem;
}

.banner-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(23, 22, 22, 0.5);
    border: none;
    color: white;
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-btn:hover {
    background-color: rgba(54, 52, 52, 0.8);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.indicator.active {
    background-color: white;
}

/* 服务项目 */
.services {
    padding: 100px 0 50px 0; /* 顶部100px，底部50px，减少一半空白 */
    background-color: #fff;
}

/* 服务项目子分类按钮 */
.service-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 24px;
    background-color: #1B2A84;
    border: 2px solid #1B2A84;
    border-radius: 8px; /* 圆角改小，从30px改为8px */
    color: #ffffff;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
}

.category-btn:hover {
    background-color: #C30B20; /* 鼠标移上去时背景变成深蓝色 */
    border-color: #C30B20;
    color: white; /* 鼠标移上去时文字变成白色 */
    /* 移除 transform: translateY(-3px); 保持按钮位置不变 */
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

/* 移除.active类的特殊样式，让所有按钮看起来一样 */
.category-btn.active {
    /* 移除特殊样式，使用和普通按钮相同的样式 */
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    box-shadow: none;
}

/* 确保.active按钮在hover时也有效果 */
.category-btn.active:hover {
    background-color: #3b82f6; /* 鼠标移上去时背景变成深蓝色 */
    border-color: #3b82f6;
    color: white; /* 鼠标移上去时文字变成白色 */
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, auto); /* 改为auto，让内容决定高度 */
    gap: 20px;
    min-height: 0; /* 防止网格项溢出 */
    min-width: 0; /* 防止网格项溢出 */
}

.service-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 250px;
    height: 100%; /* 确保卡片填满网格单元格 */
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-card.tall {
    grid-row: span 2;
    min-height: 520px;
    height: 100%; /* 确保高卡片填满网格单元格 */
}

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

.service-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: white;
}

.service-icon {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.service-content h3 {
    font-size: 1.4rem;
    color: white;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.service-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.about-new-layout {
    max-width: 1400px; /* 改为和其他栏目一样的宽度 */
    margin: 0 auto;
}

.about-content-wrapper {
    display: flex;
    gap: 0; /* 完全移除空白，图片和文字贴在一起 */
    margin-bottom: 60px;
    align-items: center; /* 改为垂直居中对齐 */
}

.about-image-left {
    flex: 0 0 45%; /* 减少宽度，固定为45% */
}

.about-image-left img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    margin-bottom: 15px;
    aspect-ratio: 3/4; /* 设置宽高比为3:4 */
    object-fit: cover; /* 确保图片覆盖整个区域 */
}

.image-caption {
    color: #666;
    font-size: 0.95rem;
    font-style: italic;
    text-align: center;
}

.about-text-right {
    flex: 1;
    background-color: white;
    border-radius: 0 15px 15px 0; /* 左边不要圆角，右边保持圆角 */
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.about-title-inline {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e5e7eb;
}

.about-title-inline h2 {
    font-size: 2.5rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.about-title-inline h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #3b82f6;
}

.about-title-inline .subtitle {
    font-size: 1.2rem;
    color: #4b5563;
    margin-top: 15px;
}

/* 移除"公司简介"标题相关的样式，因为已经去掉了这个标题 */

.about-description p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-button-container {
    margin-top: 30px;
    text-align: left; /* 改为左对齐，与上面的文字对齐 */
}

.about-detail-btn {
    background-color: #1B2A84; /* 深蓝色 */
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
}

.about-detail-btn:hover {
    background-color: #C30B20;
    box-shadow: 0 10px 20px rgba(46, 46, 46, 0.3);
}

/* 详细内容样式 */
.about-detail-content {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
    animation: fadeIn 0.5s ease;
}

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

.business-details {
    margin-top: 20px;
}

.business-item {
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 3px solid #3b82f6;
    transition: all 0.3s ease;
}

.business-item:hover {
    border-left-color: #1e3a8a;
    background-color: #f8fafc;
    padding-left: 25px;
}

.business-item h4 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: 600;
}

.business-item p {
    color: #666;
    line-height: 1.7;
    font-size: 1.05rem;
}

.about-highlight {
    background-color: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
}

.about-highlight p {
    color: #1e3a8a;
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 0;
}

.about-certificates-below {
    background-color: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.about-certificates-below h3 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.about-certificates-below h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3b82f6;
}

.certificates-horizontal {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.certificate-item-horizontal {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px;
    background-color: #f8fafc;
    border-radius: 10px;
    border-top: 5px solid #3b82f6;
    transition: transform 0.3s, box-shadow 0.3s;
}

.certificate-item-horizontal:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.certificate-img-horizontal {
    margin-bottom: 20px;
}

.certificate-img-horizontal img {
    width: 100%;
    max-width: 300px;
    height: 200px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    object-fit: cover;
}

.certificate-content-horizontal h4 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.certificate-content-horizontal p {
    color: #666;
    line-height: 1.6;
    font-size: 1.05rem;
}

/* 工程案例 */
.projects {
    padding: 100px 0;
    background-color: #fff;
}

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

.project-item {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 20px;
    transform: translateY(0);
}

.project-item:hover .project-overlay {
    /* 保持原有位置，不需要变化 */
}

.project-overlay h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.project-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 新闻资讯 */
.news {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.news-date {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #1e3a8a; /* 深蓝色 */
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.news-date .day {
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1;
    color: #fff;
}

.news-date .month {
    font-size: 0.9rem;
}

.news-content {
    padding: 25px;
}

.news-content h3 {
    font-size: 1.3rem;
    color: #1e3a8a; /* 深蓝色 */
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-link {
    color: #3b82f6; /* 亮蓝色 */
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s;
}

.news-link:hover {
    gap: 10px;
}

/* 联系方式 */
.contact {
    padding: 100px 0;
    background-color: #fff;
}

.contact-content {
    display: flex;
    gap: 20px;
    align-items: stretch; /* 让两个子项高度一致 */
}

.contact-map {
    flex: 1;
    min-width: 0; /* 防止flex容器溢出 */
    display: flex;
    flex-direction: column;
}

.map-container {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    flex: 1; /* 让地图容器填充可用空间 */
    width: 100%; /* 确保容器宽度为100% */
    min-height: 400px; /* 最小高度 */
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#contactForm {
    display: flex;
    flex-direction: column;
    flex: 1; /* 让表单填充可用空间 */
}

.map-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 250px;
}

.map-info h4 {
    font-size: 1.2rem;
    color: #1e3a8a; /* 深蓝色 */
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-info h4 i {
    color: #3b82f6; /* 亮蓝色 */
}

.map-info p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.map-info p:last-child {
    margin-bottom: 0;
    color: #3b82f6; /* 亮蓝色 */
    font-weight: 500;
}

.contact-form {
    flex: 1;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6; /* 亮蓝色 */
}

.submit-btn {
    background-color: #3b82f6; /* 亮蓝色 */
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

.submit-btn:hover {
    background-color: #1e3a8a; /* 深蓝色 */
}

/* 页脚 */
.footer {
    background-color: #1e3a8a; /* 深蓝色 */
    color: white;
    padding: 60px 0 20px;
}

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

/* 桌面端：服务项目和快速链接容器布局 */
.footer-services-links-container {
    display: contents; /* 让子元素直接参与父级flex布局 */
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    opacity: 0.8;
    margin-bottom: 15px;
}

/* 页脚联系信息样式 */
.footer-contact-info {
    margin-top: 15px;
}

.footer-phone, .footer-email, .footer-address, .footer-hours {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-phone i, .footer-email i, .footer-address i, .footer-hours i {
    color: #3b82f6; /* 亮蓝色 */
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.phone-number {
    font-size: 1rem;
    font-weight: normal;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: normal;
}

.email-text, .address-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

.hours-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}

.footer-services h4,
.footer-links h4,
.footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

/* 服务项目栏目样式 */
.footer-services ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-services ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    display: block;
}

.footer-services ul li a:hover {
    color: white;
}

/* 快速链接栏目样式 */
.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    display: block;
}

.footer-links ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.social-icons a:hover {
    background-color: #3b82f6; /* 亮蓝色 */
}

/* 二维码样式 */
.qrcodes-container {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qrcode-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: white;
    padding: 5px;
    margin-bottom: 8px;
    transition: transform 0.3s, border-color 0.3s;
}

.qrcode-item img:hover {
    transform: scale(1.05);
    border-color: #3b82f6;
}

.qrcode-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin: 0;
}

/* 彻底移除所有社交图标下的横线 */
.social-icons a {
    text-decoration: none !important;
    border-bottom: none !important;
    outline: none !important;
}

.social-icons a i {
    text-decoration: none !important;
    border-bottom: none !important;
    outline: none !important;
    display: inline-block;
    line-height: 1;
    vertical-align: middle;
}

/* 针对微信和微博图标的特殊处理 */
.social-icons a .fab.fa-weixin,
.social-icons a .fab.fa-weibo {
    text-decoration: none !important;
    border-bottom: none !important;
    outline: none !important;
    position: relative;
}

/* 使用伪元素覆盖可能的横线 */
.social-icons a .fab.fa-weixin::after,
.social-icons a .fab.fa-weibo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
}

/* 确保图标本身显示在伪元素之上 */
.social-icons a .fab.fa-weixin,
.social-icons a .fab.fa-weibo {
    position: relative;
    z-index: 2;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-bottom a{
    color: rgba(255, 255, 255, 0.7);
}

/* 查看更多按钮 */
.view-more-container {
    display: flex;
    justify-content: center;
    margin-top: 30px; /* 减少空白，从50px改为30px */
    width: 100%;
}

.view-more-btn {
    background-color: #1e3a8a; /* 深蓝色背景 */
    color: white; /* 白色文字 */
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s ease, width 0.4s ease; /* 为width添加单独的过渡 */
    font-family: 'Noto Sans SC', sans-serif;
    width: 180px; /* 固定初始宽度 */
    max-width: 400px; /* 最大宽度限制 */
    overflow: hidden;
    white-space: nowrap;
    text-align: center;
    position: relative;
    display: inline-block; /* 确保宽度过渡生效 */
    text-decoration: none; /* 移除链接下划线 */
}

.view-more-btn:hover {
    width: 360px; /* 鼠标移上去时宽度加倍（从180px到360px） */
    background-color: #3b82f6; /* hover时稍微亮一点的蓝色 */
    /* 移除 transform: translateY(-3px); 保持按钮位置不变 */
    box-shadow: 0 10px 20px rgba(86, 87, 87, 0.3);
    color: white; /* 确保文字颜色保持白色 */
    text-decoration: none; /* 确保没有下划线 */
}

#pages { padding: 10px 0; text-align: left; clear: both; text-align: center;}
#pages a { 
    display: inline-block; 
    padding: 15px 20px;  
    font-size: 18px; 
    line-height: 22px; 
    background: #fff; 
    border: solid 1px #e3e3e3; 
    text-align: center; 
    color: #1e3a8a; 
    margin-right: 3px; 
    margin-left: 3px; 
    text-decoration: none;
    border-radius: 8px;
    }
#pages a.a1 { padding: 15px 20px;line-height: 22px; margin-top: 0px; }
#pages a:hover { background: #1e3a8a; color: #fff; text-decoration: none; }
#pages span { 
    font-size: 18px; 
    display: inline-block; 
    padding: 15px 20px;  
    line-height: 22px; 
    background: #1e3a8a; 
    color: #fff; 
    text-align: center; 
    margin-right: 3px; 
    margin-left: 3px; 
    border: solid 1px #1e3a8a;
    border-radius: 8px;
    
}
.page .noPage { display: inline-block; padding: 4px 19px; line-height: 22px; border: 1px solid #e3e3e3; text-align: center; color: #a4a4a4; }


/* 响应式设计 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: auto;
    }
    
    .service-card.tall {
        grid-row: span 1;
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .certificates-horizontal {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .navbar {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding: 20px 0;
        border-top: 1px solid #e5e7eb;
    }
    
    .navbar ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .navbar ul li {
        margin-left: 0;
        margin-bottom: 15px;
        width: 100%;
        text-align: center;
    }
    
    .navbar ul li a {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
        width: 100%;
        text-align: center;
    }
    
    .navbar ul li a::after {
        display: none; /* 隐藏移动端的下划线效果 */
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner {
        height: 530px;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .service-categories {
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .category-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content-wrapper {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-text-right,
    .about-certificates-below {
        padding: 30px;
    }
    
    .about-image-left img {
        max-width: 100%;
    }
    
    /* 移动端关于我们详细内容优化 */
    .about-detail-btn {
        padding: 12px 30px;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }
    
    .business-item h4 {
        font-size: 1.2rem;
    }
    
    .business-item p {
        font-size: 1rem;
    }
    
    .certificates-horizontal {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .certificate-img-horizontal img {
        max-width: 250px;
        height: 180px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    /* 移动端服务项目和快速链接并排布局 */
    .footer-services-links-container {
        display: flex;
        gap: 30px;
        width: 100%;
    }
    
    .footer-services {
        flex: 1;
        min-width: 0;
    }
    
    .footer-links {
        flex: 1;
        min-width: 0;
    }
    
    /* 移动端二维码样式优化 */
    .qrcodes-container {
        justify-content: center;
        gap: 30px;
    }
    
    .qrcode-item img {
        width: 90px;
        height: 90px;
    }
    
    /* 移动端页脚联系信息优化 */
    .footer-phone, .footer-email, .footer-address, .footer-hours {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .phone-number {
        font-size: 1rem; /* 恢复原始大小 */
    }
    
    .email-text, .address-text {
        font-size: 0.95rem;
        line-height: 1.4;
    }
    
    .hours-text {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    /* 移动端隐藏地图 */
    .contact-map {
        display: none;
    }
    
    .contact-form {
        flex: 1 0 100%;
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .banner {
        height: 430px;
    }
    
    .slide-content {
        padding: 20px;
    }
    
    .slide-content h2 {
        font-size: 1.5rem;
    }
    
    .service-categories {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .category-btn {
        width: 80%;
        max-width: 250px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-title-inline h2 {
        font-size: 2rem;
    }
    
    .about-description h3,
    .about-certificates-below h3 {
        font-size: 1.5rem;
    }
    
    .about-text-right,
    .about-certificates-below {
        padding: 20px;
    }
    
    .about-highlight p {
        font-size: 1.1rem;
    }
    
    .certificate-img-horizontal img {
        width: 200px;
        height: 150px;
    }
    
    .certificate-content-horizontal h4 {
        font-size: 1.2rem;
    }
    
    .certificate-content-horizontal p {
        font-size: 1rem;
    }
    
    .banner-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

/* 关于我们页面专用样式 */
.about-detail {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.about-company-overview {
    margin-bottom: 60px;
}

.company-intro {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.company-intro h3 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.company-intro h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3b82f6;
}

.company-intro p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* 核心价值集成样式 */
.core-values-integrated {
    margin: 30px 0;
    padding: 25px;
    background-color: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
}

.core-value-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e5e7eb;
}

.core-value-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.core-value-item h4 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.core-value-item h4 i {
    color: #3b82f6;
    font-size: 1.5rem;
}

.core-value-item p {
    color: #666;
    line-height: 1.6;
    font-size: 1.05rem;
    margin-left: 35px; /* 与图标对齐 */
}

.company-history {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 60px;
}

.company-history h3 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.company-history h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3b82f6;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: #3b82f6;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 30px;
}

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

.timeline-year {
    position: absolute;
    left: -60px;
    top: 0;
    background-color: #3b82f6;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1rem;
}

.timeline-content {
    background-color: #f8fafc;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #1e3a8a;
}

.timeline-content h4 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

.company-team {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 60px;
}

.company-team h3 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.company-team h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3b82f6;
}

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

.team-member {
    background-color: #f8fafc;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.member-photo {
    height: 200px;
    overflow: hidden;
}

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

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

.member-info {
    padding: 20px;
    text-align: center;
}

.member-info h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.member-position {
    color: #3b82f6;
    font-weight: 500;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.member-desc {
    color: #666;
    line-height: 1.5;
    font-size: 0.9rem;
}

.company-certificates {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.company-certificates h3 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.company-certificates h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3b82f6;
}

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

.certificate-item {
    background-color: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 5px solid #3b82f6;
}

.certificate-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.certificate-icon {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 15px;
}

.certificate-item h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.certificate-item p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 响应式设计 - 关于我们页面 */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-detail {
        padding: 60px 0;
    }
    
    .company-intro,
    .company-history,
    .company-team,
    .company-certificates {
        padding: 30px;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-year {
        left: -50px;
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    /* 核心价值集成样式响应式 */
    .core-values-integrated {
        padding: 20px;
    }
    
    .core-value-item h4 {
        font-size: 1.2rem;
    }
    
    .core-value-item p {
        font-size: 1rem;
        margin-left: 30px;
    }
}

@media (max-width: 480px) {
    .company-intro h3,
    .company-history h3,
    .company-team h3,
    .company-certificates h3 {
        font-size: 1.5rem;
    }
    
    .company-intro,
    .company-history,
    .company-team,
    .company-certificates {
        padding: 20px;
    }
    
    .certificate-item {
        padding: 20px;
    }
    
    .timeline-year {
        left: -40px;
        padding: 5px 10px;
        font-size: 0.85rem;
    }
    
    .timeline-content {
        padding: 15px;
    }
    
/* 核心价值集成样式响应式 - 小屏幕 */
    .core-values-integrated {
        padding: 15px;
    }
    
    .core-value-item {
        margin-bottom: 20px;
        padding-bottom: 20px;
    }
    
    .core-value-item h4 {
        font-size: 1.1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .core-value-item h4 i {
        font-size: 1.3rem;
    }
    
    .core-value-item p {
        font-size: 0.95rem;
        margin-left: 0;
        margin-top: 5px;
    }
}

/* 子分类导航栏样式 */
.subcategory-nav {
    background-color: white; /* 改为白色背景 */
    padding: 20px 0;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
}

.subcategory-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: nowrap;
    overflow: hidden;
    position: relative;
    padding-right: 60px; /* Space for dropdown button */
}

.subcategory-buttons .subcategory-item {
    flex: 0 0 auto;
}

.subcategory-item {
    position: relative;
}

.subcategory-btn, .subcategory-btn-link {
    background-color: white;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
    padding: 12px 30px;
    border-radius: 8px; /* 圆角从30px改为8px */
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.subcategory-btn-link,a{
    text-decoration: none;
}

.subcategory-btn:hover, .subcategory-btn-link:hover {
    background-color: #f0f9ff;
    color: #1e3a8a;
    text-decoration: none;
}

.subcategory-btn.active, .subcategory-btn-link.active {
    background-color: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
    text-decoration: none;
}

.subcategory-btn.active:hover, .subcategory-btn-link.active:hover {
    background-color: #1e3a8a;
    text-decoration: none;
}

/* 下拉菜单样式 */
.subcategory-dropdown {
    position: relative;
    display: inline-block;
    flex: 0 0 auto;
}

.dropdown-toggle {
    background-color: white;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 100%;
    box-sizing: border-box;
}

.dropdown-toggle:hover {
    background-color: #f0f9ff;
}

.dropdown-toggle i {
    transition: transform 0.3s ease;
}

.dropdown-toggle.active i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 15px;
    z-index: 1000;
    min-width: 200px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

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

.dropdown-item {
    background-color: white;
    color: #1e3a8a;
    border: 1px solid #e5e7eb;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: #f0f9ff;
    border-color: #1e3a8a;
}

.dropdown-item.active {
    background-color: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
}

/* 响应式设计 - 子分类导航 */
@media (max-width: 768px) {
    .subcategory-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .subcategory-btn,
    .subcategory-btn-link {
        width: 80%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .subcategory-btn,
    .subcategory-btn-link {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* 服务项目列表页面样式 - 3列网格布局 */
.services-list-page {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.services-grid-container {
    width: 100%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.service-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.service-card-content {
    flex: 1;
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.service-card-content h3 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    line-height: 1.4;
}

.service-card-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.service-card-content h3 a:hover {
    color: #3b82f6;
}

.service-card-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
    font-size: 0.95rem;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s;
    align-self: flex-start;
    margin-top: auto;
}

.service-card-link:hover {
    gap: 12px;
    color: #1e3a8a;
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: white;
    color: #1e3a8a;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.page-btn:hover {
    background-color: #f0f9ff;
    border-color: #1e3a8a;
}

.page-btn.active {
    background-color: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
}

.page-btn.next-btn {
    width: auto;
    padding: 0 20px;
    gap: 5px;
}

/* 响应式设计 - 服务项目列表 */
@media (max-width: 1024px) {
    .services-layout {
        gap: 30px;
    }
    
    .services-sidebar {
        flex: 0 0 240px;
    }
    
    .service-list-image {
        flex: 0 0 250px;
    }
}

@media (max-width: 768px) {
    .services-layout {
        flex-direction: column;
        gap: 40px;
    }
    
    .services-sidebar {
        flex: none;
        width: 100%;
    }
    
    .service-list-item {
        flex-direction: column;
    }
    
    .service-list-image {
        flex: 0 0 200px;
        width: 100%;
    }
    
    .sidebar-categories, .sidebar-contact {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .services-list-page {
        padding: 60px 0;
    }
    
    .service-list-content {
        padding: 20px;
    }
    
    .service-list-content h3 {
        font-size: 1.3rem;
    }
    
    .service-features {
        flex-direction: column;
        gap: 10px;
    }
    
    .sidebar-categories h3,
    .sidebar-contact h3 {
        font-size: 1.2rem;
    }
}

/* 工程案例列表页面样式 */
.projects-list-page {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.project-categories-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.project-filter-btn {
    background-color: white;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
}

.project-filter-btn:hover {
    background-color: #f0f9ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.1);
}

.project-filter-btn.active {
    background-color: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
}

.projects-list-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.project-list-item {
    display: flex;
    background-color: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.project-list-image {
    flex: 0 0 350px;
    position: relative;
    overflow: hidden;
}

.project-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.project-list-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(30, 58, 138, 0.9);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-list-content {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.project-list-content h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.project-list-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.project-list-content h3 a:hover {
    color: #3b82f6;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
    font-size: 0.95rem;
}

.project-meta i {
    color: #3b82f6;
}

.project-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.project-features span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #4b5563;
    font-size: 0.95rem;
}

.project-features i {
    color: #10b981;
}

.project-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s;
    align-self: flex-start;
}

.project-detail-link:hover {
    gap: 12px;
    color: #1e3a8a;
}

/* 响应式设计 - 工程案例列表 */
@media (max-width: 768px) {
    .project-list-item {
        flex-direction: column;
    }
    
    .project-list-image {
        flex: 0 0 250px;
        width: 100%;
    }
    
    .project-categories-filter {
        gap: 10px;
    }
    
    .project-filter-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .projects-list-page {
        padding: 60px 0;
    }
    
    .project-categories-filter {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .project-filter-btn {
        width: 80%;
        max-width: 250px;
    }
    
    .project-list-content {
        padding: 20px;
    }
    
    .project-list-content h3 {
        font-size: 1.3rem;
    }
    
    .project-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .project-features {
        flex-direction: column;
        gap: 10px;
    }
}

/* 新闻资讯列表页面样式 - 左右分栏布局 */
.news-list-page {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.news-layout {
    display: flex;
    gap: 40px;
}

/* 左边栏样式 */
.news-sidebar {
    flex: 0 0 280px;
}

.sidebar-categories {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.sidebar-categories h3 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

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

.category-list li {
    margin-bottom: 12px;
}

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

.category-link {
    display: block;
    padding: 12px 20px;
    color: #4b5563;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.category-link:hover {
    background-color: #f0f9ff;
    color: #1e3a8a;
    border-left-color: #3b82f6;
}

.category-link.active {
    background-color: #f0f9ff;
    color: #1e3a8a;
    border-left-color: #1e3a8a;
    font-weight: 600;
}

.sidebar-popular {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.sidebar-popular h3 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

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

.popular-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e5e7eb;
}

.popular-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.popular-list li a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #4b5563;
    transition: color 0.3s;
}

.popular-list li a:hover {
    color: #1e3a8a;
}

.popular-title {
    font-weight: 500;
    margin-bottom: 5px;
    line-height: 1.4;
}

.popular-date {
    font-size: 0.9rem;
    color: #6b7280;
}

.sidebar-contact {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.sidebar-contact h3 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.sidebar-contact p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.sidebar-contact-btn {
    display: inline-block;
    background-color: #1e3a8a;
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    margin-top: 15px;
    transition: all 0.3s ease;
    border: 2px solid #1e3a8a;
}

.sidebar-contact-btn:hover {
    background-color: white;
    color: #1e3a8a;
}

/* 右边栏样式 */
.news-main {
    flex: 1;
    min-width: 0; /* 防止flex容器溢出 */
}

.news-list-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.news-list-item {
    display: flex;
    background-color: white;
    border-radius: 8px; /* Changed from 15px to 8px */
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.news-list-image {
    flex: 0 0 300px;
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3; /* 4:3 aspect ratio */
}

.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.news-list-date {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(30, 58, 138, 0.9);
    color: white;
    width: 90px; /* Increased from 70px to 90px to accommodate padding */
    height: 90px; /* Increased from 70px to 90px to accommodate padding */
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px; /* 10px padding between content and border */
    box-sizing: border-box; /* Padding is included in width/height */
}

.news-list-date .day {
    color: #fff;
    font-size: 1.8rem;
    font-weight: bold;
    line-height: 1;
}

.news-list-date .month {
    font-size: 0.9rem;
    margin-top: 2px;
}

.news-list-date .year {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 2px;
}

.news-list-content {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.news-list-category {
    display: inline-block;
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 10px;
    margin-bottom: 15px;
    align-self: flex-start;
}

.news-list-content h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.news-list-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.news-list-content h3 a:hover {
    color: #3b82f6;
}

.news-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.news-list-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
    font-size: 0.95rem;
}

.news-list-meta i {
    color: #3b82f6;
}

.news-list-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.news-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.news-list-tags span {
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.news-list-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s;
    align-self: flex-start;
}

.news-list-link:hover {
    gap: 12px;
    color: #1e3a8a;
}

/* 新闻文章内容样式 */
.news-article {
    background-color: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.article-header {
    margin-bottom: 30px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
    color: #666;
    font-size: 0.95rem;
}

.article-category {
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 500;
}

.article-date, .article-author, .article-views {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-date i, .article-author i, .article-views i {
    color: #3b82f6;
}

.article-title {
    font-size: 2.2rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-excerpt {
    font-size: 1.2rem;
    color: #4b5563;
    line-height: 1.6;
    font-style: italic;
    border-left: 4px solid #3b82f6;
    padding-left: 20px;
    margin-top: 15px;
}

.article-featured-image {
    margin: 30px 0;
    border-radius: 10px;
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    text-align: center;
    color: #666;
    font-size: 0.95rem;
    font-style: italic;
    margin-top: 10px;
    padding: 0 20px;
}

.article-content {
    line-height: 1.8;
    color: #333;
    font-size: 1.1rem;
}

.article-content h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin: 30px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
}

.article-content h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin: 25px 0 15px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content ul, .article-content ol {
    margin: 15px 0 20px 30px;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content ul li {
    list-style-type: disc;
}

.article-content ol li {
    list-style-type: decimal;
}

.highlight-box {
    background-color: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 25px;
    border-radius: 8px;
    margin: 25px 0;
}

.highlight-box h3 {
    color: #1e3a8a;
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-box h3 i {
    color: #f59e0b;
}

.highlight-box ul {
    margin: 15px 0 0 20px;
}

.highlight-box li {
    margin-bottom: 10px;
}

.article-quote {
    background-color: #f8fafc;
    border-left: 4px solid #1e3a8a;
    padding: 25px;
    margin: 30px 0;
    font-style: italic;
    border-radius: 8px;
}

.article-quote p {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    line-height: 1.6;
}

.article-quote cite {
    color: #666;
    font-size: 1rem;
    font-style: normal;
    display: block;
    text-align: right;
}

.article-footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.tags-label {
    color: #666;
    font-weight: 500;
}

.tag {
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 6px 15px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
}

.tag:hover {
    background-color: #3b82f6;
    color: white;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.share-label {
    color: #666;
    font-weight: 500;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #f0f9ff;
    color: #1e3a8a;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.share-btn:hover {
    background-color: #1e3a8a;
    color: white;
    transform: translateY(-3px);
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.nav-prev, .nav-next {
    flex: 1;
    min-width: 200px;
    background-color: #f8fafc;
    padding: 15px 20px;
    border-radius: 8px;
    text-decoration: none;
    color: #1e3a8a;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-prev {
    text-align: left;
}

.nav-next {
    text-align: right;
    justify-content: flex-end;
}

.nav-prev:hover, .nav-next:hover {
    background-color: #f0f9ff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 联系方式页面样式 */
.contact-page {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.contact-page-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

/* 联系信息卡片 */
.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.contact-card {
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.contact-card-icon {
    width: 70px;
    height: 70px;
    background-color: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.contact-card-icon i {
    font-size: 1.8rem;
    color: #3b82f6;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.contact-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    margin-bottom: 20px;
}

.phone-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.phone-label {
    color: #666;
    font-size: 0.9rem;
}

.phone-number {
    color: #ffffff;
    font-weight: 600;
    font-size: 2rem;
}

.phone-number.emergency {
    color: #ef4444;
    font-weight: 700;
}

.business-hours {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.hour-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.hour-item.emergency {
    background-color: #fef2f2;
    padding: 10px;
    border-radius: 8px;
    margin-top: 5px;
}

.hour-item.emergency .day,
.hour-item.emergency .time {
    color: #ef4444;
    font-weight: 600;
}

.day {
    color: #666;
    font-size: 0.9rem;
}

.time {
    color: #1e3a8a;
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-card-action {
    margin-top: auto;
    width: 100%;
}

.contact-card-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #3b82f6;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    width: 100%;
    max-width: 200px;
}

.contact-card-link:hover {
    background-color: #1e3a8a;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.2);
}

/* 地图和联系表单 */
.contact-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-map-section h3,
.contact-form-section h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-map-section h3 i,
.contact-form-section h3 i {
    color: #3b82f6;
}

.map-container-large {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.map-overlay-large {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 300px;
}

.map-info-large h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-info-large h4 i {
    color: #3b82f6;
}

.map-info-large p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.map-note {
    color: #4b5563;
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 8px;
}

/* 联系表单 */
.contact-form-section {
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.form-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.contact-page-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-page-form .form-group {
    margin-bottom: 0;
}

.contact-page-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1e3a8a;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.contact-page-form label i {
    color: #3b82f6;
    font-size: 1rem;
}

.contact-page-form input,
.contact-page-form select,
.contact-page-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: #f8fafc;
}

.contact-page-form input:focus,
.contact-page-form select:focus,
.contact-page-form textarea:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: white;
}

.contact-page-form select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e3a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 15px;
    padding-right: 40px;
}

.form-submit {
    margin-top: 10px;
    text-align: center;
}

.submit-btn-large {
    background-color: #1e3a8a;
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 300px;
}

.submit-btn-large:hover {
    background-color: #3b82f6;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.form-note {
    color: #666;
    font-size: 0.85rem;
    margin-top: 15px;
    font-style: italic;
}

/* 其他联系方式 */
.contact-other-methods {
    margin-top: 30px;
}

.contact-other-methods h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-other-methods h3 i {
    color: #3b82f6;
}

.other-methods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.method-card {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.method-icon {
    width: 60px;
    height: 60px;
    background-color: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.method-icon i {
    font-size: 1.5rem;
    color: #3b82f6;
}

.method-card h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.method-card p {
    color: #666;
    line-height: 1.5;
    font-size: 0.9rem;
    margin-bottom: 15px;
    flex: 1;
}

.qrcode-container {
    margin-top: 10px;
}

.qrcode-container img {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 5px;
    background-color: white;
}

.qrcode-label {
    color: #666;
    font-size: 0.85rem;
    margin-top: 8px;
}

.method-action {
    margin-top: 15px;
    width: 100%;
}

.method-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    width: 100%;
}

.method-link:hover {
    background-color: #3b82f6;
    color: white;
}

.online-chat-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #10b981;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.95rem;
}

.online-chat-btn:hover {
    background-color: #059669;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.2);
}

/* 文本式联系方式页面样式 */
.contact-text-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-info-text,
.contact-map-text,
.contact-form-text,
.contact-social-text {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info-text h3,
.contact-map-text h3,
.contact-form-text h3,
.contact-social-text h3 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info-text h3 i,
.contact-map-text h3 i,
.contact-form-text h3 i,
.contact-social-text h3 i {
    color: #3b82f6;
}

.contact-details p {
    color: #333;
    line-height: 1.6;
    margin-bottom: 12px;
    font-size: 1.05rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.contact-details p strong {
    color: #1e3a8a;
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.contact-details p strong i {
    color: #3b82f6;
    width: 20px;
    text-align: center;
}

.business-hours-list {
    list-style: none;
    padding-left: 30px;
    margin-top: 10px;
}

.business-hours-list li {
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
    font-size: 1rem;
    position: relative;
    padding-left: 20px;
}

.business-hours-list li:before {
    content: "•";
    color: #3b82f6;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
}

.contact-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.contact-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #3b82f6;
    color: white;
    padding: 12px 25px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.contact-action-btn:hover {
    background-color: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.2);
}

.map-container-simple {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.map-info-text {
    background-color: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

.map-info-text p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 10px;
    font-size: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.map-info-text p i {
    color: #3b82f6;
    width: 20px;
    text-align: center;
    margin-top: 2px;
}

.map-info-text p strong {
    color: #1e3a8a;
}

.form-description-text {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 1rem;
}

.simple-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-simple {
    margin-bottom: 0;
}

.form-group-simple label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1e3a8a;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group-simple label i {
    color: #3b82f6;
    font-size: 1rem;
}

.form-group-simple input,
.form-group-simple textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: #f8fafc;
}

.form-group-simple input:focus,
.form-group-simple textarea:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: white;
}

.form-submit-simple {
    margin-top: 10px;
    text-align: center;
}

.submit-btn-simple {
    background-color: #1e3a8a;
    color: white;
    border: none;
    padding: 14px 35px;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 300px;
}

.submit-btn-simple:hover {
    background-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

.form-note-text {
    color: #666;
    font-size: 0.85rem;
    margin-top: 15px;
    font-style: italic;
}

.social-info p {
    color: #333;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 1.05rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.social-info p i {
    color: #3b82f6;
    width: 20px;
    text-align: center;
    margin-top: 2px;
}

.social-info p strong {
    color: #1e3a8a;
    min-width: 100px;
}

/* 响应式设计 - 文本式联系方式页面 */
@media (max-width: 768px) {
    .contact-text-content {
        gap: 30px;
    }
    
    .contact-info-text,
    .contact-map-text,
    .contact-form-text,
    .contact-social-text {
        padding: 20px;
    }
    
    .contact-info-text h3,
    .contact-map-text h3,
    .contact-form-text h3,
    .contact-social-text h3 {
        font-size: 1.2rem;
    }
    
    .contact-details p {
        flex-direction: column;
        gap: 5px;
    }
    
    .contact-details p strong {
        min-width: auto;
    }
    
    .contact-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .contact-action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .map-info-text p {
        flex-direction: column;
        gap: 5px;
    }
    
    .social-info p {
        flex-direction: column;
        gap: 5px;
    }
    
    .social-info p strong {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .contact-text-content {
        gap: 20px;
    }
    
    .contact-info-text,
    .contact-map-text,
    .contact-form-text,
    .contact-social-text {
        padding: 15px;
    }
    
    .contact-details p,
    .social-info p {
        font-size: 1rem;
    }
    
    .business-hours-list {
        padding-left: 20px;
    }
    
    .submit-btn-simple {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* 响应式设计 - 联系方式页面 */
@media (max-width: 1200px) {
    .contact-info-cards,
    .other-methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .contact-main-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .map-container-large iframe {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .contact-page {
        padding: 80px 0;
    }
    
    .contact-info-cards,
    .other-methods-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-card,
    .method-card {
        padding: 20px;
    }
    
    .map-overlay-large {
        position: relative;
        top: 0;
        left: 0;
        margin-top: 15px;
        max-width: 100%;
    }
    
    .contact-form-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .contact-page {
        padding: 60px 0;
    }
    
    .contact-card-icon {
        width: 60px;
        height: 60px;
    }
    
    .contact-card-icon i {
        font-size: 1.5rem;
    }
    
    .contact-card h3,
    .method-card h4 {
        font-size: 1.1rem;
    }
    
    .qrcode-container img {
        width: 120px;
        height: 120px;
    }
    
    .submit-btn-large {
        padding: 12px 30px;
        font-size: 1rem;
    }
}

/* 响应式设计 - 新闻资讯列表 */
@media (max-width: 768px) {
    .news-list-item {
        flex-direction: column;
    }
    
    .news-list-image {
        flex: 0 0 200px;
        width: 100%;
    }
    
    .news-categories-filter {
        gap: 10px;
    }
    
    .news-filter-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .news-list-page {
        padding: 60px 0;
    }
    
    .news-categories-filter {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .news-filter-btn {
        width: 80%;
        max-width: 250px;
    }
    
    .news-list-content {
        padding: 20px;
    }
    
    .news-list-content h3 {
        font-size: 1.3rem;
    }
    
    .news-list-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .news-list-tags {
        gap: 8px;
    }
}

/* 响应式设计 - 服务项目网格布局 */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-card-image {
        aspect-ratio: 4/3;
    }
    
    .service-card-content {
        padding: 20px;
    }
    
    .service-card-content h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .services-list-page {
        padding: 80px 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .service-card-image {
        aspect-ratio: 4/3;
    }
    
    .service-card-content {
        padding: 15px;
    }
    
    .service-card-content h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .service-card-description {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .service-card-link {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card-image {
        aspect-ratio: 4/3;
    }
    
    .service-card-content {
        padding: 20px;
    }
    
    .service-card-content h3 {
        font-size: 1.3rem;
    }
    
    .service-card-description {
        font-size: 1rem;
    }
}

/* 响应式设计 - 新闻资讯左右分栏布局 */
@media (max-width: 1024px) {
    .news-layout {
        gap: 30px;
    }
    
    .news-sidebar {
        flex: 0 0 240px;
    }
    
    .news-list-image {
        flex: 0 0 250px;
    }
}

@media (max-width: 768px) {
    .news-layout {
        flex-direction: column;
        gap: 40px;
    }
    
    .news-sidebar {
        flex: none;
        width: 100%;
    }
    
    .news-list-item {
        flex-direction: column;
    }
    
    .news-list-image {
        flex: 0 0 auto;
        width: 100%;
        aspect-ratio: 4/3; /* Maintain 4:3 aspect ratio on mobile */
    }
    
    .sidebar-categories, .sidebar-popular, .sidebar-contact {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .news-list-page {
        padding: 60px 0;
    }
    
    .news-list-content {
        padding: 20px;
    }
    
    .news-list-content h3 {
        font-size: 1.3rem;
    }
    
    .news-list-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .news-list-tags {
        gap: 8px;
    }
    
    .sidebar-categories h3,
    .sidebar-popular h3,
    .sidebar-contact h3 {
        font-size: 1.2rem;
    }
}

/* 服务项目详情页面样式 */
.service-detail-page {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.service-detail-container {
    background-color: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* 面包屑导航 */
.breadcrumb {
    margin-bottom: 30px;
    padding-top: 20px;
    padding-bottom: 20px;
    border-top: 1px solid #e5e7eb;
    color: #666;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #1e3a8a;
    text-decoration: underline;
}

.breadcrumb .current {
    color: #1e3a8a;
    font-weight: 500;
}

/* 服务项目标题和基本信息 */
.service-detail-header {
    margin-bottom: 30px;
}

.service-detail-title {
    font-size: 2.5rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    line-height: 1.3;
    text-align: center;
}

.service-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #666;
    font-size: 0.95rem;
}

.service-detail-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.service-detail-meta i {
    color: #3b82f6;
}

/* 服务项目主图 */
.service-detail-featured-image {
    margin: 30px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-detail-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.service-detail-featured-image .image-caption {
    text-align: center;
    color: #666;
    font-size: 0.95rem;
    font-style: italic;
    margin-top: 10px;
    padding: 0 20px;
}

/* 服务项目概述 */
.service-detail-overview {
    margin: 40px 0;
    padding: 30px;
    background-color: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
}

.service-detail-overview h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-overview h2 i {
    color: #3b82f6;
}

.service-detail-overview p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

/* 服务项目特色 */
.service-detail-features {
    margin: 40px 0;
}

.service-detail-features h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-features h2 i {
    color: #f59e0b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-item {
    background-color: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #ebebeb;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: #3b82f6;
}

.feature-item h3 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.feature-item p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 服务项目详细内容 */
.service-detail-content {
    margin: 40px 0;
}

.service-detail-content h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.service-detail-content h2 i {
    color: #3b82f6;
}

.service-detail-content h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin: 25px 0 15px;
}

.service-detail-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.service-detail-content ul, 
.service-detail-content ol {
    margin: 15px 0 20px 30px;
}

.service-detail-content li {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.service-detail-content ul li {
    list-style-type: disc;
}

.service-detail-content ol li {
    list-style-type: decimal;
}

.highlight-box {
    background-color: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 25px;
    border-radius: 8px;
    margin: 25px 0;
}

.highlight-box h4 {
    color: #1e3a8a;
    margin-top: 0;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-box h4 i {
    color: #10b981;
}

.highlight-box ul {
    margin: 15px 0 0 20px;
}

.highlight-box li {
    margin-bottom: 10px;
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.case-study {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid #1e3a8a;
}

.case-study h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.case-study p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 0;
}

/* 服务项目联系方式 */
.service-detail-contact {
    margin: 40px 0;
    padding: 30px;
    background-color: #f0f9ff;
    border-radius: 10px;
    border-left: 4px solid #1e3a8a;
}

.service-detail-contact h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-contact h2 i {
    color: #3b82f6;
}

.service-detail-contact > p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.contact-info {
    margin-bottom: 25px;
}

.contact-info p {
    color: #333;
    line-height: 1.6;
    margin-bottom: 12px;
    font-size: 1.05rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.contact-info p i {
    color: #3b82f6;
    width: 20px;
    text-align: center;
    margin-top: 2px;
}

.contact-info p strong {
    color: #1e3a8a;
    min-width: 100px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #1e3a8a;
    color: white;
    padding: 14px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: 2px solid #1e3a8a;
}

.contact-btn:hover {
    background-color: #3b82f6;
    border-color: #3b82f6;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

/* 相关服务项目 */
.related-services {
    margin: 40px 0 0;
}

.related-services h2 {
    font-size: 1.8rem;
    color: #1e3a8a;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.related-services h2 i {
    color: #3b82f6;
}

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

.related-service-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.related-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.related-service-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.related-service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.related-service-content {
    padding: 20px;
}

.related-service-content h3 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-service-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.related-service-content h3 a:hover {
    color: #3b82f6;
}

.related-service-content p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* 工程案例图片网格布局 */
.projects-image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.project-image-item {
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    aspect-ratio: 4/3;
}

.project-image-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.project-image-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    border-radius: 5px;
}

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

.project-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.8));
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: white;
    opacity: 0;
    transition: opacity 0.3s;
}

.project-image-item:hover .project-image-overlay {
    opacity: 1;
}

.project-image-category {
    display: inline-block;
    background-color: rgba(30, 58, 138, 0.9);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 10px;
    align-self: flex-start;
}

.project-image-title {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 8px;
    line-height: 1.3;
}

.project-image-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-image-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: gap 0.3s;
    align-self: flex-start;
}

.project-image-link:hover {
    gap: 10px;
    color: #3b82f6;
}

/* 更新工程案例筛选功能以支持图片网格 */
.project-categories-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.project-filter-btn {
    background-color: white;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
}

.project-filter-btn:hover {
    background-color: #f0f9ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.1);
}

.project-filter-btn.active {
    background-color: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
}

/* 工程案例展示页面样式 */
.project-gallery-page {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.gallery-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

/* 大图展示区 */
.gallery-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-image-container {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    aspect-ratio: 16/9;
    background-color: #000;
}

.main-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #000;
    transition: transform 0.3s;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 30px;
    transform: translateY(0);
    transition: transform 0.3s;
}

.image-info h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 10px;
}

.image-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.image-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.image-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.image-meta i {
    color: #3b82f6;
}

/* 图片控制按钮 */
.image-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.control-btn {
    background-color: #1e3a8a;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn:hover {
    background-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

.control-btn.zoom-btn {
    background-color: #10b981;
}

.control-btn.zoom-btn:hover {
    background-color: #059669;
}

/* 缩略图容器 */
.thumbnail-container {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.thumbnail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.thumbnail-header h3 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin: 0;
}

.thumbnail-count {
    background-color: #f0f9ff;
    color: #3b82f6;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    overflow-y: auto;
    max-height: 500px;
    padding-right: 5px;
}

.thumbnail-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.thumbnail-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.thumbnail-item.active {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

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

.thumbnail-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
}

.thumbnail-category {
    background-color: rgba(30, 58, 138, 0.9);
    color: white;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 工程案例详情 */
.project-details {
    margin-top: 40px;
}

.detail-section {
    background-color: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.detail-section h3 {
    font-size: 1.4rem;
    color: #1e3a8a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.detail-section h3 i {
    color: #3b82f6;
}

.detail-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.detail-features h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-features h4 i {
    color: #10b981;
}

.detail-features ul {
    list-style: none;
    padding-left: 0;
}

.detail-features li {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.detail-features li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.detail-specs h4 {
    font-size: 1.2rem;
    color: #1e3a8a;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-specs h4 i {
    color: #f59e0b;
}

/* 技术参数表格样式 */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.specs-table tr {
    border-bottom: 1px solid #ebebeb;
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 12px 15px;
    border: 1px solid #ebebeb;
    font-size: 1rem;
}

.specs-table td:first-child {
    color: #666;
    font-weight: 500;
    width: 40%;
    background-color: #f8fafc;
}

.specs-table td:last-child {
    color: #1e3a8a;
    font-weight: 600;
    width: 60%;
}

.location-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.location-info p i {
    color: #3b82f6;
    width: 20px;
    text-align: center;
    margin-top: 2px;
}

.location-info p strong {
    color: #1e3a8a;
    min-width: 80px;
}

.map-placeholder {
    background-color: #f0f9ff;
    border: 2px dashed #3b82f6;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    margin-top: 20px;
}

.map-icon {
    width: 60px;
    height: 60px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.map-icon i {
    font-size: 2rem;
    color: #3b82f6;
}

.map-placeholder p {
    color: #1e3a8a;
    font-weight: 500;
    margin-bottom: 5px;
}

.map-placeholder small {
    color: #666;
    font-size: 0.9rem;
}

/* 响应式设计 - 工程案例展示页面 */
@media (max-width: 1200px) {
    .gallery-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .project-details {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .projects-image-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .features-grid,
    .related-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-studies {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .service-detail-page {
        padding: 80px 0;
    }
    
    .service-detail-container {
        padding: 30px;
    }
    
    .service-detail-title {
        font-size: 2rem;
    }
    
    .service-detail-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .features-grid,
    .related-services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-overview,
    .service-detail-contact {
        padding: 20px;
    }
    
    .contact-info p {
        flex-direction: column;
        gap: 5px;
    }
    
    .contact-info p strong {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .service-detail-page {
        padding: 60px 0;
    }
    
    .service-detail-container {
        padding: 20px;
    }
    
    .service-detail-title {
        font-size: 1.8rem;
    }
    
    .service-detail-overview h2,
    .service-detail-features h2,
    .service-detail-content h2,
    .service-detail-contact h2,
    .related-services h2 {
        font-size: 1.5rem;
    }
    
    .service-detail-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-item,
    .related-service-card {
        padding: 20px;
    }
    
    .contact-btn {
        padding: 12px 25px;
        font-size: 1rem;
        width: 100%;
        text-align: center;
    }
}