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

html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 全部产品模式下的宽容器 */
.container-wide {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    flex: 1;
}

/* 导航栏样式 */
.header {
    background-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
}

.navbar {
    padding: 1rem 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform 0.3s;
}

.logo img:hover {
    transform: scale(1.05);
}

.logo .company-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #3498db;
}

.logo .company-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    white-space: nowrap;
}

/* Banner轮播图区域 */
.banner-slider {
    position: relative;
    width: 100%;
    height: 900px;
    overflow: hidden;
    z-index: 1;
}

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

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

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

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

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.28) 50%,
        rgba(0, 0, 0, 0.15) 100%
    );
    z-index: 2;
}

.slide-content .container {
    text-align: center;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.slide-subtitle-en {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.55);
    animation: fadeInUp 0.8s ease-out;
}

.slide-content .slide-title {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 2px;
    margin: 0 0 1.4rem;
    color: #fff;
    text-shadow:
        0 2px 8px rgba(0, 0, 0, 0.6),
        0 0 20px rgba(0, 40, 120, 0.35);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.slide-title-multi {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2em;
}

.slide-title-line {
    display: block;
}

.slide-content .slide-desc {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.7;
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.55);
    animation: fadeInUp 0.8s ease-out 0.25s both;
}

.slide-desc-multi {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15em;
}

.slide-desc-line {
    display: block;
}

.slide-desc-decorated {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    font-size: 1.15rem;
    letter-spacing: 1px;
}

.slide-desc-decorated .deco-line {
    display: inline-block;
    width: 70px;
    height: 1px;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.85) 100%
    );
}

.slide-desc-decorated .deco-line:last-child {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.85) 0%,
        rgba(255, 255, 255, 0) 100%
    );
}

/* 第一张轮播图（含 slide-desc-decorated）整体上移，
   使装饰副标题落在动图中的蓝色横条区域内居中 */
.slide-content .container:has(.slide-desc-decorated) {
    transform: translateY(-20px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.indicator.active {
    background-color: #fff;
    width: 30px;
    border-radius: 6px;
}

/* 导航按钮 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    font-size: 3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    backdrop-filter: blur(5px);
}

.slider-btn:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* 首页Hero区域（保留作为备用） */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* 特性展示区域 */
.features {
    padding: 80px 0;
    background-image: url('../images/beijing1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 0;
}

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

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    background-color: #fff;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* 首页产品展示区域 */
.home-products {
    min-height: 100vh;
    background-image: url('../images/beijing2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.home-products .container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1560px;
    padding: 0 30px;
    margin: 0 auto;
    overflow: hidden;
}

/* 产品展示包装器 */
.product-carousel-wrapper {
    position: relative;
    margin-top: 3rem;
    max-width: 1560px;
    margin-left: auto;
    margin-right: auto;
    overflow: visible;
}

/* 产品卡片网格样式（直接展示） */
.product-cards-grid {
    display: flex;
    gap: 1.5rem;
    position: relative;
}

.product-cards-grid .product-card-new {
    /* 4 张卡片，间距为 1.5rem × 3 = 4.5rem */
    flex: 0 0 calc((100% - 4.5rem) / 4);
    min-width: 0;
}

.product-card-new {
    position: relative;
    border-radius: 0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 520px; /* 固定高度 */
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.product-card-new:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* 卡片上半部分 - 浅色背景区域 */
.product-card-top {
    padding: 2.5rem 2rem;
    background: #f5f5f5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 220px; /* 固定高度 */
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: all 0.4s ease, opacity 0.4s ease;
}

.product-card-new:hover .product-card-top {
    background: #ffffff;
    opacity: 0; /* 悬停时让上半部分淡出，只保留遮罩层里的内容 */
    transform: translateY(-12px);
}

/* 图标容器 */
.product-card-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: transparent;
    border: 2px solid #1a73e8;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.2);
    position: relative;
    z-index: 1;
}

.product-card-new:hover .product-card-icon-wrapper {
    transform: scale(1.03);
    border-color: #4285f4;
    background: transparent;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

/* 悬停时图标在遮罩层影响下的变化 */
.product-card-new:hover .product-card-icon-wrapper img {
    filter: none;
}

.product-card-icon-wrapper img {
    width: 70%;
    height: 70%;
    object-fit: contain;
    display: block;
}

/* 标题 */
.product-card-title {
    font-size: 1.9rem; /* 加大标题字号 */
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
    margin: 0;
    transition: color 0.4s ease, text-shadow 0.4s ease;
    position: relative;
    z-index: 1;
}

.product-card-new:hover .product-card-title {
    /* 顶部标题随整体淡出，保持默认样式 */
    color: inherit;
}


/* 卡片下半部分 - 产品图片区域 */
.product-card-bottom {
    flex: 1;
    height: 300px; /* 固定高度 */
    position: relative;
    overflow: hidden;
    background: transparent; /* 移除蓝色背景 */
    z-index: 1;
}

/* 产品图片容器 - 使用背景图片填充 */
.product-card-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    transition: transform 0.4s ease;
}

.product-card-new:hover .product-card-image-wrapper {
    transform: scale(1.05);
}

.product-card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 图片填充整个区域 */
    display: block;
    transition: filter 0.4s ease;
}

.product-card-new:hover .product-card-image-wrapper img {
    filter: brightness(0.9);
}

/* 黑色遮罩层 - 覆盖整个卡片 */
.product-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0 2rem 2.5rem;
    opacity: 0;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5; /* 在卡片原始内容之上，形成完整遮罩 */
    pointer-events: none;
}

.product-card-new:hover .product-card-overlay {
    /* 悬停时遮罩层从下方滑上来，覆盖整个卡片 */
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.product-card-overlay-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.product-card-overlay-icon img {
    width: 60%;
    height: 60%;
    object-fit: contain;
    filter: brightness(1.2);
}

.product-card-overlay-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.2rem;
    text-align: center;
}

.product-card-overlay-header {
    height: 220px; /* 与 .product-card-top 一致，使图标和标题位置相同 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 2.5rem;
}

.product-card-overlay-text {
    /* 首页产品卡片不再展示简介文案 */
    display: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-cards-grid .product-card-new {
        flex: 0 0 calc((100% - 2rem) / 2);
    }
}

@media (max-width: 768px) {
    .product-cards-grid .product-card-new {
        flex: 0 0 100%;
    }
    
    .product-card-top {
        height: 180px; /* 固定高度 */
        padding: 2rem 1.5rem;
    }
    
    .product-card-icon-wrapper {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }
    
    .product-card-title {
        font-size: 1.3rem;
    }
    
    .product-card-bottom {
        height: 240px; /* 固定高度 */
    }
    
    .product-card-new {
        height: 420px; /* 移动端固定高度 */
    }
    
    .product-card-top {
        height: 180px; /* 移动端固定高度 */
    }
    
    .product-card-overlay-text {
        font-size: 0.9rem;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: block;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.home-products .section-header h2,
.home-about .section-header h2,
.home-news .section-header h2 {
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.home-products .section-subtitle,
.home-about .section-subtitle,
.home-news .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.product-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-item {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.product-item h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.product-item p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    margin-top: auto;
}

.product-link:hover {
    color: #2980b9;
}

/* 首页关于我们模块 */
.home-about {
    min-height: 100vh;
    background-image: url('../images/beijing3.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.home-about .container {
    position: relative;
    z-index: 1;
    width: 100%;
    margin: 0 auto;
}

.about-showcase {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.about-title-cn {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 1.5rem 0;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.2rem;
    line-height: 2;
    color: #333;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: #333;
    background-color: transparent;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.9rem 2rem;
    border: 2px solid #333;
    border-radius: 30px;
    transition: all 0.3s ease;
    width: fit-content;
}

.about-link:hover {
    background-color: transparent;
    color: #000;
    border-color: #000;
    gap: 1rem;
    transform: translateY(-2px);
}

.about-link svg {
    transition: transform 0.3s ease;
}

.about-link:hover svg {
    transform: translateX(3px);
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.2);
}

.about-image {
    min-height: 500px;
    display: flex;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
    min-height: 500px;
    display: block;
    object-fit: cover;
}

/* 首页最新动态区域 */
.home-news {
    min-height: 100vh;
    background-image: url('../images/beijing4.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

@media (max-width: 768px) {
    .news-cover {
        height: 200px;
    }
    
    .news-item {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .news-cover {
        height: 180px;
    }
}

.home-news .container {
    position: relative;
    z-index: 1;
    width: 100%;
    margin: 0 auto;
}

.home-news .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    text-align: left;
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.view-all:hover {
    color: #3498db;
}

.view-all img {
    width: 18px;
    height: 18px;
    display: block;
}

.news-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.news-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.home-news .news-item {
    background: #fff;
}

.news-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.15);
}

.news-cover {
    width: 100%;
    height: 220px;
    background-size: cover;
    background-position: center;
}

.news-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.news-body h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    line-height: 1.4;
    margin: 0;
}

.news-body p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid #f0f0f0;
}

.news-meta-date {
    font-size: 0.95rem;
    color: #666;
}

.home-news .news-meta-date {
    color: #2c3e50;
}

.news-meta-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f0f4ff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.news-meta-btn img {
    width: 18px;
    height: 18px;
}

.news-meta-btn:hover {
    transform: translateX(4px);
    background: #3498db;
    box-shadow: 0 8px 20px rgba(52,152,219,0.35);
    filter: invert(1);
}

.home-news .date-year {
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-preview-image {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
}

.news-preview-text {
    padding: 1rem 1.25rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.03);
}

.news-preview-text h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.news-preview-text p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

.home-news .news-preview-text {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.home-news .news-preview-text h3 {
    color: #2c3e50;
    text-shadow: none;
}

.home-news .news-preview-text p {
    color: #444;
    text-shadow: none;
}

/* 首页荣誉展示区域 */
.home-honors {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
}

.home-honors .container {
    width: 100%;
    margin: 0 auto;
}

.home-honors .section-header h2 {
    color: #2c3e50;
}

.home-honors .section-subtitle {
    color: #666;
}

.honors-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.honor-item {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.honor-item:hover {
    background: #fff;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #3498db;
}

.honor-badge {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.honor-badge img {
    display: block;
}

.honor-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.honor-item p {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* 页面头部 */
.page-header {
    background-image: url('../images/image1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header .page-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    margin-top: 10px;
}

/* 各子页面头部背景图片 */
.page-header-about {
    background-image: url('../images/top/banner3.jpg');
}

.page-header-contact {
    background-image: url('../images/top/hezuo.jpg');
}

.page-header-careers {
    background-image: url('../images/top/zhaopin.jpg');
}

.page-header-rd {
    background-image: url('../images/top/yanfa.jpg');
}

.page-header-news {
    background-image: url('../images/top/news.jpg');
}

.page-header-products {
    background-image: url('../images/top/banner2.jpg');
}

.page-header-cases {
    background-image: url('../images/top/banner1.jpg');
}

/* 内容区域 */
.content-section {
    padding: 60px 0;
}

/* 通用区块背景（三种颜色循环使用） */
.section-light {
    background-color: #ffffff;
}

.section-medium {
    background-color: #f4f6f8;
}

.section-alt {
    background-color: #e9ecef;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* 公司简介样式 */
.company-intro {
    margin-bottom: 3rem;
}

.company-intro h2 {
    margin-bottom: 2rem;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: stretch;
    margin-top: 2rem;
}

.intro-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
}

.intro-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.intro-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.intro-text {
    display: flex;
    flex-direction: column;
    gap: 0;
    justify-content: center;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: background-color 0.3s ease;
    height: 100%;
}

.intro-text:hover {
    background-color: #f0f4f8;
}

.intro-paragraph {
    font-size: 1.15rem;
    line-height: 2;
    color: #444;
    text-align: justify;
    text-indent: 2em;
    margin-bottom: 0;
    margin-top: 0;
}

.intro-paragraph:not(:first-child) {
    margin-top: 1em;
}

/* 发展历程样式 */
.company-history {
    margin-top: 1rem;
}

.history-timeline {
    position: relative;
    margin-top: 2rem;
    padding-left: 20px;
    border-left: 3px solid #e0e4ea;
}

.history-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 2rem;
}

.history-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #3498db;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.25);
}

.history-year {
    position: absolute;
    left: -85px;
    top: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #3498db;
}

.history-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
    color: #2c3e50;
}

.history-content p {
    margin: 0;
    color: #555;
    line-height: 1.8;
}

/* 组织框架和核心团队样式 */
.org-team-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 1rem;
    align-items: stretch;
}

.org-structure,
.core-team {
    display: flex;
    flex-direction: column;
}

.org-structure h2,
.core-team h2 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    flex-shrink: 0;
}

.org-content,
.team-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.org-content p,
.team-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

.org-list,
.team-list {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.org-item,
.team-item {
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.org-item:hover,
.team-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-left-color: #2980b9;
}

.org-item h4,
.team-item h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.org-item p,
.team-item p {
    margin: 0;
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
}

@media (max-width: 968px) {
    .org-team-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .history-timeline {
        padding-left: 15px;
        border-left-width: 2px;
    }

    .history-item {
        padding-left: 25px;
    }

    .history-item::before {
        left: -6px;
        width: 12px;
        height: 12px;
    }

    .history-year {
        position: static;
        margin-bottom: 0.2rem;
        display: inline-block;
        padding: 2px 8px;
        background-color: #eaf4fc;
        border-radius: 12px;
    }
}

/* 公司视频介绍 */
.company-video h2 {
    margin-bottom: 1.5rem;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background-color: #000;
}

.video-wrapper video {
    display: block;
    width: 100%;
    height: auto;
}

/* 企业文化样式 */
.company-culture {
    margin-bottom: 3rem;
}

.company-culture .culture-title {
    margin-bottom: 2rem;
    text-align: center;
    border-bottom: none;
}

/* 荣誉资质展示 */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 荣誉资质左右翻页（勿对网格用 transform:scale，否则视口会裁切左右卡片） */
.honors-carousel {
    position: relative;
    margin-top: 1.5rem;
    /* 侧向留白需 ≥ 按钮偏移 + 图标宽度，避免箭头压到证书卡片 */
    padding: 0 68px;
}

.honors-carousel-viewport {
    overflow: hidden;
    padding: 0.5rem 0 1rem;
}

.honors-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.honors-carousel-page {
    flex: 0 0 100%;
    min-width: 0;
}

.honors-carousel-btn {
    /* 覆盖通用 carousel-btn 的圆形按钮样式，只保留图标 */
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: inherit;
    font-size: 0;
    line-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    top: 50%;
    transform: translateY(-50%);
    padding: 0 !important;
}

.honors-carousel-indicators {
    margin-top: 1.2rem;
}

.honors-carousel-btn:hover,
.honors-carousel-btn:active {
    background: transparent;
    box-shadow: none;
    transform: translateY(-50%);
}

.honors-carousel-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.honors-carousel-icon {
    width: 52px;
    height: 52px;
    display: block;
    border: none;
    outline: none;
    box-shadow: none;
    clip-path: none;
}

.honors-carousel .carousel-btn-prev {
    left: 6px;
}

.honors-carousel .carousel-btn-next {
    right: 6px;
}

.certificate-item {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.certificate-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* 荣誉资质轮播：卡片统一尺寸（随列宽变化），图片在盒内等比缩放 */
.honors-carousel .certificate-item {
    aspect-ratio: 4 / 3;
    min-height: 0;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
    padding: 1.3rem;
}

.honors-carousel .certificate-item img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    flex-shrink: 0;
}

/* 荣誉资质末页仅 3 张时：占位格与实卡同尺寸 */
.honors-carousel .certificate-item--placeholder {
    visibility: hidden;
    pointer-events: none;
    box-shadow: none !important;
    background: transparent !important;
}

.honors-carousel .certificate-item--placeholder:hover {
    transform: none;
    box-shadow: none !important;
}

/* 仅荣誉资质证书网格：略减间距以在同样宽度内放大单卡（不用 scale，避免裁切） */
[data-honors-carousel] .honors-carousel-page .certificates-grid {
    gap: 1.15rem;
}

.culture-grid {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 2rem;
}

.culture-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.culture-card:hover::before {
    transform: scaleX(1);
}

.culture-card:nth-child(1) {
    border-top-color: #3498db;
}

.culture-card:nth-child(1)::before {
    background: linear-gradient(90deg, #3498db, #2980b9);
}

.culture-card:nth-child(1):hover {
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.2);
    transform: translateY(-5px);
}

.culture-card:nth-child(2) {
    border-top-color: #e74c3c;
}

.culture-card:nth-child(2)::before {
    background: linear-gradient(90deg, #e74c3c, #c0392b);
}

.culture-card:nth-child(2):hover {
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.2);
    transform: translateY(-5px);
}

.culture-card:nth-child(3) {
    border-top-color: #2ecc71;
}

.culture-card:nth-child(3)::before {
    background: linear-gradient(90deg, #2ecc71, #27ae60);
}

.culture-card:nth-child(3):hover {
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.2);
    transform: translateY(-5px);
}

.culture-card:nth-child(4) {
    border-top-color: #f39c12;
}

.culture-card:nth-child(4)::before {
    background: linear-gradient(90deg, #f39c12, #e67e22);
}

.culture-card:nth-child(4):hover {
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.2);
    transform: translateY(-5px);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.culture-card:nth-child(1) .culture-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.culture-card:nth-child(2) .culture-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.culture-card:nth-child(3) .culture-icon {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.culture-card:nth-child(4) .culture-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.culture-card:hover .culture-icon {
    transform: scale(1.1) rotate(5deg);
}

.culture-card:nth-child(1):hover .culture-icon {
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.culture-card:nth-child(2):hover .culture-icon {
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.culture-card:nth-child(3):hover .culture-icon {
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.culture-card:nth-child(4):hover .culture-icon {
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

.culture-card h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.culture-content {
    text-align: left;
}

.culture-content p {
    color: #555;
    line-height: 2;
    margin-bottom: 0;
    font-size: 1rem;
}

/* 页脚 */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 2rem 0 1rem;
    margin-top: auto;
}

.footer .container {
    max-width: 1800px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
    gap: 3rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.footer-column {
    display: flex;
    flex-direction: column;
    padding: 0 0.5rem;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 1.8rem;
    white-space: nowrap;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 0.95rem;
    text-align: justify;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    column-gap: 2rem;
    row-gap: 0.8rem;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3498db;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.8rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-icon {
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 0.05rem;
    color: #3498db;
    line-height: 1.5;
}

.contact-icon-img {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 0.1rem;
    object-fit: contain;
}

.contact-text {
    flex: 1;
}

.footer-social {
    display: flex;
    gap: 1.8rem;
    flex-wrap: wrap;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.social-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.social-qr {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.social-qr:hover {
    transform: scale(1.1);
    border-color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
    margin-left: 8px;
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom a img {
    vertical-align: text-top;
    margin-right: 4px;
    margin-top: -2px;
    height: 14px;
    width: auto;
}

/* 页脚响应式设计 */
@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-social {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-title {
        font-size: 1.3rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .social-qr {
        width: 80px;
        height: 80px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .logo img {
        height: 40px;
    }
    
    .logo .company-name {
        font-size: 1.2rem;
    }
    
    /* 首页新增部分响应式 */
    .home-news .section-header {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    /* 公司简介响应式 */
    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-paragraph {
        font-size: 1rem;
        padding: 0.8rem;
    }
    
    /* 企业文化响应式 */
    .culture-grid {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .culture-card {
        padding: 2rem 1.5rem;
    }
    
    .culture-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .culture-card h3 {
        font-size: 1.5rem;
    }
    
    .culture-content p {
        font-size: 0.95rem;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
    }
    
    .product-carousel-wrapper {
        padding: 0 40px;
    }
    
    .product-carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .product-carousel-item {
        flex: 0 0 calc(50% - 1rem);
    }
    
    
    .news-showcase {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        flex-direction: column;
        text-align: left;
    }
    
    .news-meta {
        padding: 0 1.25rem 1.25rem;
    }
    
    .honors-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Banner轮播图响应式 */
    .banner-slider {
        height: 500px;
    }
    
    .slide-subtitle-en {
        font-size: 0.8rem;
        letter-spacing: 1px;
        margin-bottom: 0.8rem;
    }
    
    .slide-content .slide-title {
        font-size: 2rem;
        letter-spacing: 1px;
        margin-bottom: 1rem;
    }
    
    .slide-content .slide-desc {
        font-size: 1rem;
    }
    
    .slide-desc-decorated {
        font-size: 0.95rem;
        gap: 10px;
    }
    
    .slide-desc-decorated .deco-line {
        width: 40px;
    }
    
    .slide-content .container:has(.slide-desc-decorated) {
        transform: translateY(-40px);
    }
    
    .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 2rem;
    }
    
    .prev-btn {
        left: 15px;
    }
    
    .next-btn {
        right: 15px;
    }
    
    .slider-indicators {
        bottom: 20px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .indicator.active {
        width: 25px;
    }
}

@media (max-width: 480px) {
    .banner-slider {
        height: 500px;
    }
    
    .product-carousel-image {
        height: 300px;
    }
    
    .about-image {
        min-height: 400px;
    }
    
    .about-image img {
        min-height: 400px;
    }
    
    .product-carousel-item {
        flex: 0 0 100%;
    }
    
    .about-showcase {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .slide-subtitle-en {
        font-size: 0.7rem;
        letter-spacing: 1px;
        margin-bottom: 0.6rem;
    }
    
    .slide-content .slide-title {
        font-size: 1.4rem;
        letter-spacing: 0.5px;
        margin-bottom: 0.8rem;
    }
    
    .slide-content .slide-desc {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .slide-desc-decorated {
        font-size: 0.8rem;
        gap: 8px;
    }
    
    .slide-desc-decorated .deco-line {
        width: 28px;
    }
    
    .slide-content .container:has(.slide-desc-decorated) {
        transform: translateY(-25px);
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
    
    /* 小屏幕荣誉展示 */
    .honors-showcase {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* 项目案例样式 */
.case-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.filter-btn {
    /* 使用与新闻中心 tab 相似的样式 */
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -1px;
}

.filter-btn:hover {
    color: #3498db;
}

.filter-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

.case-section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    text-align: center;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 180px; /* 适当减小卡片高度 */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-tag {
    display: none;
}

.case-content {
    padding: 1.5rem; /* 适当减小卡片高度 */
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.case-title {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
    height: 4.8rem; /* 固定标题区域高度，使 tabs 起始位置完全一致（可容纳2行标题） */
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 限制最多显示2行 */
    line-clamp: 2; /* 标准属性 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-intro p {
    font-weight: 400;
}

.case-intro .case-label {
    font-weight: 700;
}

.case-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-height: 0;
}

.info-item {
    border-left: 3px solid #3498db;
    padding-left: 1rem;
}

.info-item h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.info-item p {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
    margin: 0;
}

.case-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0.5rem 0;
    flex-shrink: 0;
    min-height: 70px;
    box-sizing: border-box;
}

.case-pagination {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.case-page-btn {
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1px solid #d0d0d0;
    background: #ffffff;
    font-size: 0.85rem;
    color: #000;
    cursor: pointer;
    transition: all 0.2s ease;
}

.case-page-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.case-page-btn:not(:disabled):hover {
    border-color: #555;
    color: #000;
}

.case-page-info {
    font-size: 0.85rem;
    color: #666;
}

/* 案例卡片内 Tab */
.case-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.case-tab-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    bottom: -1px;
}

.case-tab-btn:hover {
    color: #3498db;
}

.case-tab-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

.case-tab-contents {
    flex: 1;
}

.case-tab-content {
    display: none;
    min-height: 170px; /* 略微降低内容固定高度，整体卡片更紧凑 */
}

.case-tab-content.active {
    display: block;
}

/* 所有 Tab 中文本样式：居中 + 首行缩进两字符 */
.product-tab-content p,
.news-tab-content p,
.case-tab-content p {
    text-align: center;
    text-indent: 2em;
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    position: relative;
    min-height: 60px;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50%;
    background: linear-gradient(to bottom, transparent, #e0e0e0, transparent);
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 0.3rem;
    line-height: 1.2;
    text-align: center;
    word-break: break-all;
}

.stat-label {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
    line-height: 1.3;
    text-align: center;
    word-break: break-all;
    padding: 0 0.2rem;
}

/* 项目案例响应式设计 */
@media (max-width: 768px) {
    .case-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .case-stats {
        flex-direction: column;
        min-height: auto;
        gap: 0.75rem;
        padding: 1rem 0;
    }
    
    .stat-item {
        padding: 0.5rem 0;
        width: 100%;
        min-height: auto;
    }
    
    .stat-item:not(:last-child)::after {
        display: none;
    }
    
    .stat-item:not(:last-child) {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .case-section-title {
        font-size: 1.75rem;
    }
    
    .case-title {
        font-size: 1.3rem;
        height: 4.2rem; /* 固定标题区域高度，使 tabs 起始位置一致 */
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
    
    .filter-btn {
        padding: 0.85rem 2.2rem;
        font-size: 1.05rem;
    }
    
    .case-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .case-image {
        height: 180px;
    }
    
    .case-section-title {
        font-size: 1.5rem;
    }
    
    .case-title {
        font-size: 1.2rem;
        height: 3.8rem; /* 固定标题区域高度，使 tabs 起始位置一致 */
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .filter-btn {
        padding: 0.75rem 1.8rem;
        font-size: 1rem;
    }
}

/* 新闻中心页面样式 */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 1rem;
}

.tab-btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -1px;
}

.tab-btn:hover {
    color: #3498db;
}

.tab-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

.news-tab-content {
    display: none;
}

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

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

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.news-image {
    width: 100%;
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image--video {
    padding: 0;
    background: #0f1419;
}

.news-image--video.news-video-wrap {
    cursor: pointer;
}

.news-image--video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none; /* 点击由外层统一处理，避免浏览器默认行为差异 */
}

.news-video-play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 64px;
    height: 64px;
    border: none;
    border-radius: 50%;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.25s ease, transform 0.2s ease, background 0.2s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
}

.news-video-play-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translate(-50%, -50%) scale(1.05);
}

.news-video-wrap:hover .news-video-play-btn,
.news-video-wrap:focus-within .news-video-play-btn {
    opacity: 0.9;
    pointer-events: auto;
}

.news-card--clickable {
    cursor: pointer;
}

.news-category {
    display: none; /* 隐藏新闻分类标签 */
}

.news-card-content {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    flex: 1;
}

.news-card-content .news-date {
    flex-shrink: 0;
    min-width: 60px;
    text-align: center;
}

.news-card-content .date-day {
    font-size: 1.8rem;
    font-weight: bold;
    color: #3498db;
    line-height: 1;
}

.news-card-content .date-month {
    font-size: 0.85rem;
    color: #999;
    margin-top: 0.3rem;
    display: block;
}

.news-info {
    flex: 1;
    display: flex;              /* 标题、摘要、链接纵向排布 */
    flex-direction: column;
    min-height: 0;
}

.news-info h3 {
    font-size: 1.15rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    font-weight: 600;
    min-height: 2.8em;          /* 固定两行高度：不足两行也留白，摘要起始对齐 */
    display: -webkit-box;       /* 标题最多两行 */
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-info p {
    color: #666;
    line-height: 1.7;
    font-size: 0.9rem;
    text-align: left;
    text-indent: 2em;
    margin-bottom: 1rem;
    display: -webkit-box;       /* 限制摘要行数，保证“阅读更多”起始位置一致 */
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: #3498db;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    display: inline-block;
    margin-top: auto;           /* 将“阅读更多”推到 news-info 底部 */
}

.news-link:hover {
    color: #2980b9;
}

/* 新闻中心响应式设计 */
@media (max-width: 768px) {
    .news-tabs {
        gap: 0.5rem;
        margin-bottom: 2rem;
    }
    
    .tab-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .news-image {
        height: 180px;
    }
    
    .news-card-content {
        flex-direction: column;
        padding: 1.2rem;
    }
    
    .news-card-content .news-date {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        min-width: auto;
    }
    
    .news-card-content .date-day {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .news-image {
        height: 160px;
    }
    
    .news-info h3 {
        font-size: 1rem;
    }
    
    .news-info p {
        font-size: 0.85rem;
    }
}

/* ============================================
   新闻详情页样式
   ============================================ */

.back-link {
    color: #3498db;
    text-decoration: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    transition: color 0.3s;
}

.back-link:hover {
    color: #2980b9;
}

.news-detail {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.news-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
}

.news-detail-category {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.news-detail-date {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    color: #666;
}

.news-detail-date .date-day {
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
    line-height: 1;
}

.news-detail-date .date-month {
    font-size: 1rem;
    color: #999;
}

.news-detail-title {
    font-size: 2.2rem;
    font-weight: bold;
    color: #333;
    line-height: 1.4;
    margin-bottom: 2rem;
}

.news-detail-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    margin-bottom: 2.5rem;
    background-size: cover;
    background-position: center;
}

.news-detail-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #555;
}

.news-detail-content p {
    margin-bottom: 1.5rem;
}

.news-detail-content h2 {
    font-size: 1.6rem;
    font-weight: bold;
    color: #333;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.news-detail-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    color: #444;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.news-detail-content ul,
.news-detail-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.news-detail-content li {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.news-detail-content li strong {
    color: #333;
    font-weight: 600;
}

.news-detail-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #f0f0f0;
    text-align: center;
}

.btn-secondary {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: #fff;
    color: #3498db;
    border: 2px solid #3498db;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #3498db;
    color: #fff;
}

/* 新闻详情页响应式设计 */
@media (max-width: 768px) {
    .news-detail {
        padding: 2rem 1.5rem;
    }
    
    .news-detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .news-detail-title {
        font-size: 1.6rem;
    }
    
    .news-detail-image {
        height: 250px;
    }
    
    .news-detail-content {
        font-size: 1rem;
    }
    
    .news-detail-content h2 {
        font-size: 1.3rem;
    }
    
    .news-detail-content h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .news-detail {
        padding: 1.5rem 1rem;
    }
    
    .news-detail-title {
        font-size: 1.4rem;
    }
    
    .news-detail-image {
        height: 200px;
    }
    
    .news-detail-date .date-day {
        font-size: 1.5rem;
    }
}

/* ============================================
   技术研发页面样式
   ============================================ */

/* 研发团队样式 */
.rd-team-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.rd-team-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.rd-team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.rd-team-card {
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.rd-team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.rd-team-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.rd-team-placeholder {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    font-weight: 600;
}

.rd-team-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.rd-team-info h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 3em;
    line-height: 1.4;
}

.rd-team-info p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.rd-team-features {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: auto;
}

.rd-team-features li {
    padding: 0.5rem 0;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
    font-weight: 600;
}

.rd-team-features li:last-child {
    border-bottom: none;
}

/* 实验室建设样式 */
.lab-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.lab-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.lab-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.lab-image-wrapper {
    position: sticky;
    top: 100px;
}

.lab-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.lab-placeholder {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    font-weight: 600;
}

.lab-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.lab-feature-item {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.lab-feature-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-left-color: #2980b9;
}

.lab-feature-item h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.lab-feature-item p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 研发实力样式 */
.rd-strength-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.rd-strength-card {
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.rd-strength-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.rd-strength-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

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

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

.rd-strength-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.rd-strength-info h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 4.2em;
    line-height: 1.4;
}

.rd-strength-info p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 专利样式 */
.patent-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.patent-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.patents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.patent-card {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.patent-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.patent-image {
    width: 100%;
    height: 200px;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

.patent-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.patent-card h3 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 600;
    line-height: 1.5;
    /* 统一卡片高度：标题最多两行，超出省略 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    min-height: calc(1.1rem * 1.5 * 2);
}

/* 核心技术专利第二页（软著）与第一页保持一致：显示名称 */

.patents-carousel {
    margin-top: 1.5rem;
}

/* 研发成果样式 */
.achievements-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.achievements-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.achievements-timeline {
    position: relative;
    margin-top: 2rem;
    padding-left: 20px;
    border-left: 3px solid #e0e4ea;
    margin-bottom: 3rem;
}

.achievement-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 2.5rem;
}

.achievement-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #3498db;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.25);
}

.achievement-year {
    position: absolute;
    left: -85px;
    top: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #3498db;
}

.achievement-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.achievement-content p {
    margin: 0 0 1rem 0;
    color: #555;
    line-height: 1.8;
}

.achievement-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background-color: #e8f4f8;
    color: #3498db;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.achievements-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-card-blue {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 技术合作样式 */
.cooperation-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cooperation-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

/* 技术研发页：技术合作简介保持一行显示 */
.cooperation-intro-rd {
    max-width: 1200px;
}

.cooperation-intro-rd p {
    white-space: nowrap;
}

.cooperation-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.cooperation-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
}

.cooperation-image {
    width: 100%;
    height: 300px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    background-color: #f8f9fa;
}

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

.cooperation-placeholder {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    font-weight: 600;
}

.cooperation-info h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cooperation-info p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.cooperation-partners-image {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background-color: #f8f9fa;
}

.cooperation-partners-image img {
    width: 100%;
    height: auto;
    display: block;
}

.cooperation-partners h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.partner-item {
    height: 120px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.partner-item:hover {
    transform: translateY(-5px);
}

.partner-item span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 600;
}

.cooperation-benefits {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.cooperation-benefits h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cooperation-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cooperation-benefits li {
    padding: 0.5rem 0;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
    padding-left: 1.5rem;
    position: relative;
}

.cooperation-benefits li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: 600;
}

.cooperation-benefits li:last-child {
    border-bottom: none;
}

/* 技术文档样式 */
.documents-intro {
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.documents-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.document-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.document-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.document-icon {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.document-icon span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 600;
}

.document-card h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.document-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.document-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #999;
}

.download-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: #3498db;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    transition: background-color 0.3s ease;
}

.download-btn:hover {
    background-color: #2980b9;
}

/* 技术研发页面响应式设计 */
@media (max-width: 968px) {
    .rd-team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .rd-strength-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .patents-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .lab-content {
        grid-template-columns: 1fr;
    }
    
    .lab-image-wrapper {
        position: static;
    }
    
    .cooperation-main {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievements-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .rd-team-grid {
        grid-template-columns: 1fr;
    }
    
    .rd-strength-grid {
        grid-template-columns: 1fr;
    }
    
    .patents-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-timeline {
        padding-left: 15px;
        border-left-width: 2px;
    }
    
    .achievement-item {
        padding-left: 25px;
    }
    
    .achievement-item::before {
        left: -5px;
        width: 10px;
        height: 10px;
    }
    
    .achievement-year {
        left: -70px;
        font-size: 0.9rem;
    }
    
    .achievements-stats {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .rd-team-image,
    .rd-strength-image,
    .lab-image,
    .cooperation-image {
        height: 200px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .achievement-content h3 {
        font-size: 1.1rem;
    }
}

/* ============================================
   招商合作页面样式
   ============================================ */

/* 合作模式样式 */
.cooperation-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.cooperation-modes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    align-items: stretch;
}

.mode-card {
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    display: grid;
    grid-template-rows: auto auto auto 1fr auto;
    height: 100%;
}

.mode-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.mode-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    flex-shrink: 0;
}

.mode-icon span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 600;
}

.mode-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    height: 4.2rem;
    line-height: 1.4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-desc {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    text-align: left;
    height: 5.1rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}

.mode-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    text-align: left;
}

.mode-features li {
    padding: 0.6rem 0;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    font-weight: 600;
}

.mode-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: 600;
}

.mode-features li:last-child {
    border-bottom: none;
}

.mode-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: #3498db;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.mode-btn:hover {
    background-color: #2980b9;
}

/* 商务洽谈样式 */
.business-consultation {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.consultation-content h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.consultation-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 2rem;
}

.consultation-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    overflow: hidden;
}

.benefit-icon img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.benefit-text h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.benefit-text p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.consultation-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.consultation-image {
    position: sticky;
    top: 100px;
}

.consultation-placeholder {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.consultation-placeholder span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    font-weight: 600;
}

/* 联系方式样式 */
.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.contact-map-wrapper {
    margin-top: 2.5rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.contact-map-image {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.contact-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.contact-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    background: none !important;
    box-shadow: none;
}

.contact-icon img {
    width: 48px !important;
    height: 48px !important;
    object-fit: contain;
}

.contact-icon span {
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-value {
    font-size: 1.1rem;
    color: #444;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-label {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 1rem;
}

.contact-link {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background-color: #3498db;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background-color 0.3s ease;
}

.contact-link:hover {
    background-color: #2980b9;
}

/* 在线留言表单样式 */
.form-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.contact-form-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.contact-form {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    font-size: 0.95rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.2rem;
    cursor: pointer;
}

.checkbox-label a {
    color: #3498db;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-submit {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* 招商合作页面响应式设计 */
@media (max-width: 968px) {
    .cooperation-modes {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .business-consultation {
        grid-template-columns: 1fr;
    }
    
    .consultation-image {
        position: static;
    }
    
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cooperation-modes {
        grid-template-columns: 1fr;
    }
    
    .consultation-benefits {
        grid-template-columns: 1fr;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-submit {
        flex-direction: column;
    }
    
    .form-submit .btn {
        width: 100%;
    }
    
    .consultation-cta {
        flex-direction: column;
    }
    
    .consultation-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .contact-form {
        padding: 1.5rem;
    }
    
    .mode-card {
        padding: 2rem 1.5rem;
    }
    
    .consultation-placeholder {
        height: 250px;
    }
}

/* ============================================
   关于我们页面分类导航样式
   ============================================ */
.about-categories-nav {
    background-color: #ffffff;
    padding: 2rem 0 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.category-nav-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3.5rem;
    flex-wrap: wrap;
}

.category-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    min-width: 100px;
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s ease;
}

.category-icon svg {
    width: 100%;
    height: 100%;
}

.category-text {
    font-size: 0.95rem;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.category-nav-item:hover .category-icon {
    color: #3498db;
    transform: translateY(-3px);
}

.category-nav-item:hover .category-text {
    color: #3498db;
}

.category-nav-item.active .category-icon {
    color: #333;
}

.category-nav-item.active .category-text {
    color: #333;
    font-weight: 600;
}

.category-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 3px;
    background-color: #e74c3c;
    border-radius: 2px;
}

/* 合作客户样式 */
.partners-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.partners-intro-highlight {
    margin: 1.25rem 0 0;
    font-size: 1.22rem;
    font-weight: 700;
    color: #2980b9;
    letter-spacing: 0.03em;
    line-height: 1.5;
}

.partners-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.partners-image-wrapper {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background-color: #f8f9fa;
    max-width: 100%;
    width: 100%;
}

.partners-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.partners-description h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.partners-description p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.partners-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateX(5px);
}

.highlight-item h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.highlight-item p {
    color: #666;
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* 内容区域隐藏/显示动画 */
.content-section {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.content-section.hidden {
    display: none;
}

/* 关于我们页面分类导航响应式 */
@media (max-width: 968px) {
    .category-nav-wrapper {
        gap: 1rem;
    }
    
    .category-nav-item {
        min-width: 80px;
        padding: 0.8rem 1rem;
    }
    
    .category-icon {
        width: 40px;
        height: 40px;
    }
    
    .category-text {
        font-size: 0.85rem;
    }
    
    .partners-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .about-categories-nav {
        top: 60px;
        padding: 1.5rem 0;
    }
    
    .category-nav-wrapper {
        gap: 0.5rem;
        justify-content: space-around;
    }
    
    .category-nav-item {
        min-width: 70px;
        padding: 0.6rem 0.8rem;
        gap: 0.3rem;
    }
    
    .category-icon {
        width: 36px;
        height: 36px;
    }
    
    .category-text {
        font-size: 0.8rem;
    }
    
    .category-nav-item.active::after {
        width: 50%;
        height: 2px;
    }
}

@media (max-width: 480px) {
    .category-nav-wrapper {
        gap: 0.3rem;
    }
    
    .category-nav-item {
        min-width: 60px;
        padding: 0.5rem 0.6rem;
    }
    
    .category-icon {
        width: 32px;
        height: 32px;
    }
    
    .category-text {
        font-size: 0.75rem;
    }
}

/* ============================================
   产品服务页面样式
   ============================================ */

/* 顶部产品总览卡片（简洁卡片风格 + 筛选/分页） */
.product-filter-main {
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.product-filter-main-btn {
    /* 突出“全部产品”按钮，区分于下方分类 */
    padding: 1rem 2.6rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #666;
    background: transparent;
    border: none;
    border-bottom: 4px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -1px;
}

.product-filter-main-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
}

.product-filter-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.product-filter-btn {
    /* 让下方分类按钮与新闻标签风格一致 */
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -1px;
}

.product-filter-btn:hover {
    color: #3498db;
}

.product-filter-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

.product-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
}

.product-overview-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-overview-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.15);
}

.product-overview-card-image {
    width: 100%;
    height: 220px;
    background-size: cover;
    background-position: center;
}

.product-overview-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.product-overview-card-body h3 {
    font-size: 1.5rem; /* 加大列表卡片标题字号 */
    color: #2c3e50;
    margin: 0;
    text-align: center; /* 标题居中 */
}

.product-overview-card-body p {
    /* 产品列表卡片不展示简介文案 */
    display: none;
}

.product-pagination {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.product-page-btn {
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    border: 1px solid #d0d0d0;
    background: #ffffff;
    font-size: 0.9rem;
    color: #000; /* 与页码保持黑色 */
    cursor: pointer;
    transition: all 0.2s ease;
}

.product-page-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.product-page-btn:not(:disabled):hover {
    border-color: #555;
    color: #000;
}

.product-page-info {
    font-size: 0.9rem;
    color: #666;
}

@media (max-width: 968px) {
    .product-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .product-overview-grid {
        grid-template-columns: 1fr;
    }
    
    .product-overview-card-image {
        height: 200px;
    }
}

.category-btn-main:hover {
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.category-btn-main.active {
    background-color: #3498db;
    border-color: #3498db;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.product-categories-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-btn {
    padding: 0.75rem 2rem;
    background-color: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    color: #666;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover {
    border-color: #3498db;
    color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.category-btn.active {
    background-color: #3498db;
    border-color: #3498db;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* 产品区域标题 */
.product-section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    text-align: center;
}

/* 产品网格 - 分类模式：每行3个 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.8rem;
    margin-top: 2rem;
}

/* 确保分类模式（非all-products-mode）始终为3列 */
.product-grid:not(.all-products-mode) {
    grid-template-columns: repeat(3, 1fr) !important;
}

/* 分类模式下的产品卡片优化 */
.product-grid:not(.all-products-mode) .product-image {
    height: 180px;
}

.product-grid:not(.all-products-mode) .product-content {
    padding: 1.5rem;
}

.product-grid:not(.all-products-mode) .product-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.product-grid:not(.all-products-mode) .product-intro {
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    min-height: 4.86rem; /* 固定最小高度，确保标签位置一致（约3行文本高度） */
}

.product-grid:not(.all-products-mode) .product-section {
    margin-bottom: 1.2rem;
}

.product-grid:not(.all-products-mode) .product-section h4 {
    font-size: 1rem;
    margin-bottom: 0.6rem;
}

/* 全部产品模式 - 每行4个（所有屏幕尺寸） */
.product-grid.all-products-mode {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.8rem;
}

.product-grid.all-products-mode .product-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-grid.all-products-mode .product-image {
    height: 120px;
}

.product-grid.all-products-mode .product-content {
    padding: 1rem;
}

.product-grid.all-products-mode .product-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.product-grid.all-products-mode .product-intro {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    min-height: 3.6rem; /* 固定最小高度，确保标签位置一致（约3行文本高度） */
}

.product-grid.all-products-mode .product-section {
    margin-bottom: 0.75rem;
}

.product-grid.all-products-mode .product-section h4 {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.product-grid.all-products-mode .product-params {
    font-size: 0.8rem;
}

.product-grid.all-products-mode .product-params td {
    padding: 0.25rem 0.4rem;
}

.product-grid.all-products-mode .product-advantages li {
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

.product-grid.all-products-mode .product-scenarios {
    gap: 0.4rem;
}

.product-grid.all-products-mode .scenario-item {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
}

.product-grid.all-products-mode .product-tabs {
    margin-bottom: 0.75rem;
}

.product-grid.all-products-mode .product-tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.product-grid.all-products-mode .product-params {
    font-size: 0.8rem;
}

.product-grid.all-products-mode .product-params td {
    padding: 0.25rem 0.4rem;
}

.product-grid.all-products-mode .product-advantages li {
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

/* 隐藏分类标题 */
.product-section-title.hidden {
    display: none;
}

/* 隐藏分类section */
.content-section.hidden-section {
    display: none;
}

/* 产品卡片 */
.product-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 产品图片区域 */
.product-image {
    width: 100%;
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: rgba(255, 255, 255, 0.95);
    color: #2c3e50;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 产品内容区域 */
.product-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.product-intro {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    min-height: 5.4rem; /* 固定最小高度，确保标签位置一致（约3行文本高度） */
}

/* 产品详情区域 */
.product-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 产品标签页 */
.product-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.product-tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
}

.product-tab-btn:hover {
    color: #3498db;
    background-color: #f8f9fa;
}

.product-tab-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    font-weight: 600;
}

/* 产品标签页内容 */
.product-tab-content {
    display: none;
    min-height: 220px; /* 固定内容区高度，避免因内容长短跳动 */
}

.product-tab-content.active {
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 产品详情页 */
.product-detail-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
    min-height: 420px; /* 固定整体高度，所有产品保持一致 */
}

.product-detail-image {
    background-color: #f7f9fb;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 360px; /* 固定图片区域高度，所有产品一致 */
}

.product-detail-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.product-detail-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center; /* 文案区域垂直居中 */
    height: 100%; /* 占满右侧列，便于垂直居中 */
}

.product-detail-category {
    color: #3498db;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.product-detail-title {
    font-size: 2rem;
    color: #2c3e50;
    margin: 0;
    line-height: 1.3;
}

.product-detail-intro {
    color: #555;
    line-height: 1.8;
    text-align: left;
    text-indent: 2em;
    margin: 0;
}

/* 特殊：标题下用 detail 列表（两列）展示 */
.product-detail-intro.is-detail-list {
    text-indent: 0;
}

.product-detail-intro.is-detail-list .product-advantages {
    margin: 0.5rem 0 0 0;
    column-count: 2;
    column-gap: 2.5rem;
}

.product-detail-intro.is-detail-list .product-advantages li {
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
}

@media (max-width: 768px) {
    .product-detail-intro.is-detail-list .product-advantages {
        column-count: 1;
    }
}

.product-detail-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-start; /* 左对齐 */
    margin-top: 0.75rem; /* 与上方文案保持间距 */
}

.product-detail-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.6rem;
    border: 2px solid #333;
    border-radius: 999px;
    background: transparent;
    color: #333;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.product-detail-back-btn:hover {
    background: #333;
    color: #fff;
}

.product-detail-body {
    background-color: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.product-detail-body .product-section {
    border-left: none;
    padding-left: 0;
}

.product-detail-body .product-tab-content {
    min-height: 220px; /* 详情页内容区固定高度 */
}

/* 产品详情/产品概述正文：左对齐；首行缩进二字；多个 <p> 连成一段 */
.product-detail-body #product-detail-desc {
    text-align: left;
    line-height: 1.8;
    text-indent: 2em;
}

.product-detail-body #product-detail-desc > p {
    display: inline;
    margin: 0;
    padding: 0;
    text-indent: 0;
}

/* 列表、运维网格等非段落结构：取消容器首行缩进，避免版式错乱 */
.product-detail-body #product-detail-desc:has(> ul),
.product-detail-body #product-detail-desc:has(> .om-service-grid) {
    text-indent: 0;
}

.product-detail-body #product-detail-desc > ul,
.product-detail-body #product-detail-desc > .om-service-grid {
    text-indent: 0;
}

.product-detail-body #product-detail-advantages p {
    line-height: 1.8;
    text-align: left;
    text-indent: 2em;
    margin: 0;
}

/* 产品详情页整体浅米色背景，区分列表页面（更浅一些） */
.detail-page {
    background-color: #faf6f0;
}

/* 仅用于特殊“简介上移”详情页：整页白底 */
.detail-page.detail-page--simple {
    background-color: #fff;
}

@media (max-width: 992px) {
    .product-detail-hero {
        grid-template-columns: 1fr;
    }
    .product-detail-image {
        order: 1;
    }
    .product-detail-info {
        order: 2;
    }
}

.product-section {
    border-left: 3px solid #3498db;
    padding-left: 1rem;
}

/* 储能电站运维服务详情中的内容块：去掉左侧竖线并整体居中 */
.om-service-section {
    border-left: none;
    padding-left: 0;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.product-section h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

/* 产品参数表格 */
.product-params {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

.product-params tr {
    border-bottom: 1px solid #f0f0f0;
}

.product-params tr:last-child {
    border-bottom: none;
}

.product-params td {
    padding: 0.6rem 0.5rem;
    font-size: 0.9rem;
    color: #555;
}

.product-params td:first-child {
    font-weight: 500;
    color: #2c3e50;
    width: 40%;
}

.product-params td:last-child {
    color: #666;
}

/* 储能电站运维服务 - 六栏运维内容布局 */
.om-service-grid {
    display: grid;
    grid-template-columns: 1fr;      /* 单块内容，整行铺开 */
    max-width: 1100px;               /* 与详情主体更接近的宽度 */
    margin: 0 auto;                  /* 整体水平居中 */
}

.om-service-item {
    padding: 1.75rem 2.5rem;         /* 更宽一点，减少“孤立卡片”感 */
    background: #f9fafb;
    border-radius: 12px;
    border: 1px solid #edf2f7;
}

.om-service-title {
    /* 标签文字中已包含标题，这里不再重复显示 */
    display: none;
}

.om-service-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)); /* 默认三列排列，行数自动缩短 */
    column-gap: 1rem;
    row-gap: 0.35rem;
    font-size: 1.05rem;      /* 放大文字 */
    line-height: 1.9;
    color: #4b5563;
}

.om-service-list span {
    position: relative;
    padding-left: 0.6rem;
}

.om-service-list span::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
}

@media (max-width: 1024px) {
    .om-service-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .om-service-grid {
        grid-template-columns: 1fr;
    }
    
    .om-service-list {
        grid-template-columns: 2fr; /* 小屏上改为两列，更易阅读 */
    }
}

/* 产品优势列表 */
.product-advantages {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
}

.product-advantages li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
    line-height: 1.7;
    font-size: 0.9rem;
}

.product-advantages li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 1rem;
}

/* 应用场景 */
.product-scenarios {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.scenario-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #f8f9fa;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #555;
    transition: all 0.3s ease;
}

.scenario-item:hover {
    background-color: #e8f4f8;
    color: #3498db;
    transform: translateY(-2px);
}

.scenario-icon {
    font-size: 1.1rem;
}

/* 产品服务页面响应式设计 */
/* 大屏幕（>1800px）确保全部产品模式为3列 */
@media (min-width: 1801px) {
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 1800px) {
    .container-wide {
        max-width: 1600px;
    }
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 1600px) {
    .container-wide {
        max-width: 1400px;
    }
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.5rem;
    }
}

@media (max-width: 1400px) {
    .container-wide {
        max-width: 1200px;
    }
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.3rem;
    }
}

@media (max-width: 1200px) {
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.2rem;
    }
}

@media (max-width: 968px) {
    .product-grid:not(.all-products-mode) {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem;
    }
    
    .product-grid.all-products-mode {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .product-grid:not(.all-products-mode) {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }
    
    .product-grid.all-products-mode {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem;
    }
    
    .product-tabs {
        gap: 0.25rem;
        margin-bottom: 0.75rem;
    }
    
    .product-tab-btn {
        padding: 0.6rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .category-btn-main {
        padding: 0.8rem 2rem;
        font-size: 1.1rem;
    }

    .product-categories-nav {
        gap: 0.75rem;
    }
    
    .category-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .product-grid.all-products-mode {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .product-section-title {
        font-size: 1.75rem;
    }
    
    .product-tabs {
        gap: 0.2rem;
        margin-bottom: 0.5rem;
    }
    
    .product-tab-btn {
        padding: 0.5rem 0.4rem;
        font-size: 0.75rem;
    }
    
    .product-content {
        padding: 1.5rem;
    }
    
    .product-title {
        font-size: 1.3rem;
    }
    
    .category-btn-main {
        width: 100%;
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }

    .product-categories-nav {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-btn {
        width: 100%;
        text-align: center;
    }
    
    .product-image {
        height: 150px;
    }
    
    .product-content {
        padding: 1.25rem;
    }
    
    .product-params {
        font-size: 0.85rem;
    }
    
    .product-params td {
        padding: 0.5rem 0.25rem;
    }
    
    .product-scenarios {
        flex-direction: column;
    }
    
    .scenario-item {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   人才招聘页面样式
   ============================================ */

/* 招聘岗位列表样式 */
.section-intro {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 招聘岗位轮播容器 */
.job-carousel-wrapper {
    position: relative;
    margin-top: 2rem;
    padding: 0 50px;
}

.job-carousel-container {
    overflow: hidden;
    position: relative;
}

.job-carousel-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.job-card {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 1.8rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    flex: 0 0 calc(100% - 0px);
    min-width: 0;
    max-width: 100%;
}

.job-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid #f0f0f0;
}

.job-header h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 600;
    line-height: 1.3;
}

.job-tag {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    background-color: #e8f4f8;
    color: #3498db;
}

.job-tag.urgent {
    background-color: #fee;
    color: #e74c3c;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.job-info {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    padding: 0.8rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.job-meta span {
    font-size: 0.85rem;
    color: #555;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.job-requirements,
.job-responsibilities,
.job-apply {
    padding-left: 0.8rem;
    border-left: 3px solid #3498db;
}

.job-contact {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px dashed #e6e6e6;
    font-size: 0.95rem;
    color: #555;
}

.job-contact p {
    margin: 0;
}

.job-requirements h4,
.job-responsibilities h4,
.job-apply h4 {
    font-size: 1rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.job-requirements ul,
.job-responsibilities ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.job-requirements li,
.job-responsibilities li {
    padding: 0.4rem 0;
    padding-left: 1.2rem;
    color: #666;
    line-height: 1.6;
    position: relative;
    font-size: 0.9rem;
}

.job-requirements li:before,
.job-responsibilities li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 1rem;
}

.job-apply p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    font-size: 0.9rem;
}

.job-apply a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.job-apply a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* 轮播导航按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid #3498db;
    color: #3498db;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    line-height: 1;
    padding: 0;
}

.carousel-btn:hover {
    background-color: #3498db;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-next {
    right: 0;
}

/* 分页指示器 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
    padding: 0;
}

.carousel-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-indicators .indicator:hover {
    background-color: #3498db;
    transform: scale(1.2);
}

.carousel-indicators .indicator.active {
    background-color: #3498db;
    width: 30px;
    border-radius: 6px;
}

/* 员工福利样式 */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)); /* 桌面端四个板块一行 */
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-card {
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.benefit-card .benefit-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.benefit-card .benefit-icon span {
    font-size: 2rem;
}

.benefit-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.benefit-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    width: 100%;
}

.benefit-card li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    color: #666;
    line-height: 1.8;
    position: relative;
    font-size: 0.95rem;
}

.benefit-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2ecc71;
    font-weight: bold;
}

/* 培训体系样式 */
.training-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-top: 2rem;
    align-items: stretch;
}

.training-image-placeholder {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.training-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.training-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.training-item:hover {
    transform: translateX(5px);
    border-left-color: #3498db;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.training-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.training-text h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.training-text p {
    color: #666;
    line-height: 1.8;
    margin: 0;
    font-size: 0.95rem;
}

/* 职业发展路径样式 */
.career-path-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.career-path {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.career-path-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
}

.career-path-header h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.career-path-header p {
    color: #666;
    font-size: 1rem;
    margin: 0;
}

.career-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.career-step {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.step-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.step-content h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.career-arrow {
    font-size: 2rem;
    color: #3498db;
    font-weight: bold;
    flex-shrink: 0;
}

/* 加入我们CTA样式 */
.join-us-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: url('../images/join.jpg') center center / cover no-repeat;
    border-radius: 12px;
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    position: relative;
}

.join-us-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    z-index: 0;
}

.join-us-cta h2,
.join-us-cta p {
    position: relative;
    z-index: 1;
}

.join-us-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    border: none;
    padding: 0;
}

.join-us-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-secondary {
    background-color: #6c757d;
    color: #ffffff;
    border: 2px solid #6c757d;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .job-carousel-wrapper {
        padding: 0 40px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
    
    .job-card {
        padding: 1.5rem;
    }
    
    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .job-header h3 {
        font-size: 1.2rem;
    }

    .job-meta {
        flex-direction: column;
        gap: 0.6rem;
    }
    
    .job-meta span {
        font-size: 0.8rem;
    }
    
    .job-requirements h4,
    .job-responsibilities h4,
    .job-apply h4 {
        font-size: 0.95rem;
    }
    
    .job-requirements li,
    .job-responsibilities li,
    .job-apply p {
        font-size: 0.85rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .training-content {
        grid-template-columns: 1fr;
    }

    .training-image-placeholder {
        position: static;
    }

    .career-steps {
        flex-direction: column;
    }

    .career-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    .join-us-cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-secondary,
    .btn-primary {
        width: 100%;
        max-width: 300px;
    }
}