/* 公司概况页面样式 */

/* 主要内容布局 */
.page-content {
    display: flex;
    gap: 30px;
    margin: 40px auto;
}

.sidebar {
    flex: 0 0 280px;
}

.content-main {
    flex: 1;
}

/* 侧边栏样式 */
.side-menu {
    background-color: #f5f5f5;
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.side-menu h3 {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    margin: 0;
    border-radius: 4px 4px 0 0;
    font-size: 18px;
}

.side-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.side-menu li {
    border-bottom: 1px solid #e0e0e0;
}

.side-menu li:last-child {
    border-bottom: none;
}

.side-menu a {
    display: block;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.side-menu a:hover {
    background-color: #e9ecef;
}

.side-menu a.active {
    background-color: var(--light-red);
    color: var(--primary-color);
    font-weight: 500;
    border-left: 3px solid var(--primary-color);
}

.contact-card {
    background-color: #f5f5f5;
    border-radius: 4px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.contact-card h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 18px;
    margin-bottom: 15px;
}

.contact-card p {
    margin: 10px 0;
    display: flex;
    align-items: center;
}

.contact-card i {
    margin-right: 10px;
    color: var(--primary-color);
    min-width: 16px;
    text-align: center;
}

/* 各板块通用样式 */
.section-title {
    position: relative;
    color: var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 25px;
    font-size: 24px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}


/* 公司简介样式 */
.intro-content {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.intro-text {
    flex: 3;
}

.intro-image {
    flex: 2;
}

.intro-image img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 企业优势样式 */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.highlight-box {
    display: flex;
    background-color: #f8f9fa;
    border-radius: 4px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.highlight-icon {
    margin-right: 15px;
    font-size: 30px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.highlight-content h4 {
    margin-top: 0;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.highlight-content p {
    margin: 0;
    color: #555;
}

/* 组织结构样式 */
.structure-content {
    display: flex;
    gap: 30px;
}

.structure-text {
    flex: 1;
}

.structure-image {
    flex: 1;
}

.structure-image img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

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

.structure-group h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.structure-group ul {
    padding-left: 20px;
    margin: 0;
}

.structure-group li {
    margin-bottom: 5px;
}

/* 业务板块样式 */
.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.business-item {
    background-color: #f8f9fa;
    border-radius: 4px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.business-icon {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.business-item h4 {
    margin: 0 0 10px 0;
    color: var(--primary-color);
}

.business-item p {
    margin: 0;
    color: #555;
}

/* 企业愿景与使命样式 */
.vision-content {
    display: flex;
    gap: 20px;
}

.vision-box, .mission-box {
    flex: 1;
    background-color: #f8f9fa;
    border-radius: 4px;
    padding: 25px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.vision-box h3, .mission-box h3 {
    color: var(--primary-color);
    margin-top: 0;
    display: flex;
    align-items: center;
}

.vision-box h3 i, .mission-box h3 i {
    margin-right: 10px;
}

/* 发展历程预览样式 */
.timeline-preview {
    position: relative;
    padding-left: 30px;
    list-style: none;
}

.timeline-preview:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-preview li {
    position: relative;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.timeline-preview li:before {
    content: '';
    position: absolute;
    left: -39px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 4px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-date {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* 视频预览样式 */
.video-preview {
    display: flex;
    gap: 30px;
}

.video-thumbnail {
    flex: 1;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    display: block;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}

.play-overlay:hover {
    background-color: rgba(0,0,0,0.5);
    cursor: pointer;
}

.play-overlay i {
    font-size: 70px;
    color: white;
}

.video-info {
    flex: 1;
}

.video-info h3 {
    color: var(--primary-color);
    margin-top: 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn:hover {
    background-color: var(--hover-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.more-link {
    margin-top: 20px;
}

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

/* 发展历程时间线样式 */
.timeline-section {
    margin-bottom: 50px;
}

.timeline-intro {
    margin-bottom: 30px;
}

/* 发展历程图片容器样式 */
.timeline-image-container {
    text-align: center;
    margin: 40px 0;
}

.timeline-image {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.timeline-container {
    position: relative;
    margin: 40px 0;
}

.timeline {
    position: relative;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 120px;
    width: 3px;
    background-color: #e0273c;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
}

.timeline-dot {
    position: absolute;
    left: 120px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #e0273c;
    border: 4px solid #fff;
    box-shadow: 0 0 0 3px #e0273c;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-date {
    width: 100px;
    padding-right: 20px;
    text-align: right;
    font-weight: bold;
    color: #e0273c;
    flex-shrink: 0;
}

.timeline-content {
    margin-left: 50px;
    background-color: #f8f8f8;
    border-radius: 4px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    flex: 1;
    position: relative;
}

.timeline-content:before {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 10px solid #f8f8f8;
}

.timeline-content h3 {
    color: #e0273c;
    margin-top: 0;
    margin-bottom: 10px;
}

.timeline-content p {
    margin: 0;
    color: #444;
}

.timeline-item.highlight .timeline-content {
    background-color: #fff1f1;
    border: 1px solid #ffdbdb;
}

.timeline-item.highlight .timeline-content:before {
    border-right-color: #fff1f1;
}

.timeline-item.current .timeline-content {
    background-color: #f1f8ff;
    border: 1px solid #d0e8ff;
}

.timeline-item.current .timeline-content:before {
    border-right-color: #f1f8ff;
}

.timeline-item.current .timeline-content h3 {
    color: #0078d4;
}

.milestone-image {
    margin-top: 15px;
    text-align: center;
}

.milestone-image img {
    max-width: 100%;
    border-radius: 4px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

/* 里程碑与成就样式 */
.milestone-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.milestone-card {
    background-color: #fff;
    border-radius: 4px;
    padding: 25px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.milestone-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.milestone-icon {
    font-size: 36px;
    color: #e0273c;
    margin-bottom: 15px;
}

.milestone-card h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
}

.milestone-card p {
    margin: 0;
    color: #555;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline:before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-date {
        width: auto;
        margin-right: 40px;
        padding-left: 50px;
        text-align: left;
    }
    
    .timeline-item {
        flex-direction: column;
    }
    
    .timeline-content {
        margin-left: 0;
        margin-top: 10px;
    }
    
    .timeline-content:before {
        display: none;
    }
    
    .milestone-cards {
        grid-template-columns: 1fr;
    }
}

.mt-3 {
    margin-top: 15px;
}

/* 响应式布局 */
@media (max-width: 992px) {
    .page-content {
        flex-direction: column;
    }
    
    .sidebar {
        flex: auto;
        margin-bottom: 30px;
    }
    
    .intro-content, 
    .structure-content,
    .vision-content,
    .video-preview {
        flex-direction: column;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .business-grid {
        grid-template-columns: 1fr;
    }
}

/* 新增的板块样式文件 */

/* 组织架构与历史传承 */
.org-history .section-header {
    margin-bottom: 40px;
}

.org-structure-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.org-column, .history-column {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 30px;
}

.org-column h3, .history-column h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.org-chart {
    margin-top: 20px;
}

.org-parent {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    text-align: center;
    border-radius: 5px;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(196, 18, 48, 0.3);
}

.org-branches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.org-branch {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: 5px;
}

.org-branch h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.org-branch h4 i {
    margin-right: 10px;
}

.org-branch ul {
    padding-left: 15px;
}

.org-branch ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.org-branch ul li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    display: flex;
    margin-bottom: 20px;
    position: relative;
    align-items: flex-start;
}

.timeline-item.highlight .timeline-year {
    background-color: var(--accent-color);
}

.timeline-year {
    flex: 0 0 80px;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 10px;
    text-align: center;
    font-weight: bold;
    border-radius: 4px;
    margin-right: 20px;
    position: relative;
    z-index: 2;
    align-self: flex-start;
}

.timeline-content {
    flex-grow: 1;
    padding: 10px 15px;
    background-color: var(--light-color);
    border-radius: 4px;
    position: relative;
    min-height: 40px;
    display: flex;
    align-items: center;
}

.timeline-content:before {
    content: "";
    position: absolute;
    left: -10px;
    top: 15px;
    border-width: 8px 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--light-color) transparent transparent;
}

/* 科技创新平台 */
.tech-content {
    margin-top: 30px;
}

.tech-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

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

.tech-description {
    padding: 20px;
}

.tech-description h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.tech-description p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.tech-list {
    margin-top: 20px;
}

.tech-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.tech-list li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

.tech-video {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tech-video img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

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

.tech-video:hover .tech-overlay {
    opacity: 1;
}

.overlay-link {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.tech-video:hover .overlay-link {
    transform: scale(1);
}

.tech-achievements {
    margin-top: 40px;
    text-align: center;
}

.tech-achievements h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.tech-highlights {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.tech-stat {
    width: 150px;
    padding: 20px 10px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.tech-stat:hover {
    transform: translateY(-10px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    line-height: 1.4;
}

/* "十四五"发展战略 */
.strategy-overview {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.strategy-overview p {
    font-size: 1.2rem;
    line-height: 1.7;
}

.strategy-infographic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.strategy-pillar {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.strategy-pillar:hover {
    transform: translateY(-10px);
}

.pillar-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.pillar-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.strategy-pillar h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.pillar-content {
    display: flex;
    flex-direction: column;
}

.pillar-content span {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.pillar-content span:last-child {
    border-bottom: none;
}

.strategy-goal {
    background-color: var(--secondary-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    color: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    grid-column: 1 / -1;
    margin-bottom: 50px; /* 增加底部外边距，与下方按钮分隔 */
}

.goal-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.goal-icon i {
    font-size: 2rem;
    color: white;
}

.goal-content h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.goal-numbers {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.goal-numbers span {
    font-size: 1.2rem;
    font-weight: bold;
}

/* 核心产品矩阵 */
.core-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

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

.core-product-card {
    position: relative;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.core-product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.core-product-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    padding-right: 100px;  /* 为badge留出空间 */
}

.product-content {
    display: flex;
    gap: 20px;
}

.product-thumbnail {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
}

.product-icon {
    width: 120px;
    height: 120px;
    background-color: var(--light-red);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.product-summary {
    flex: 1;
}

.product-summary p {
    margin-bottom: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.product-goal {
    margin-top: 15px;
    padding: 8px 12px;
    background-color: var(--light-red);
    border-left: 3px solid var(--primary-color);
    font-weight: bold;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.product-link {
    display: block;
    text-align: right;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.product-link:hover {
    text-decoration: underline;
}

.secondary-products {
    margin-top: 40px;
}

.secondary-products h4 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.secondary-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.secondary-product {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease;
}

.secondary-product:hover {
    transform: translateY(-10px);
}

.secondary-product i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.secondary-product h4 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.secondary-product p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.secondary-product a {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.secondary-product a:hover {
    text-decoration: underline;
}

/* 前沿材料培育 */
.future-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.future-header h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.future-header p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.future-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.showcase-item {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-10px);
}

.showcase-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.showcase-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.showcase-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.showcase-item p {
    line-height: 1.6;
    margin-bottom: 20px;
}

.market-potential {
    background-color: var(--light-color);
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.item-link {
    color: var(--primary-color);
    font-weight: bold;
}

.item-link:hover {
    text-decoration: underline;
}

.future-materials {
    margin-top: 40px;
}

.future-materials h4 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.material-item {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.material-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    background-color: var(--light-red);
}

.material-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.material-item span {
    font-weight: 600;
}

/* 产品导航标签样式 */
.products-nav {
    margin-bottom: 30px;
}

.product-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.product-tabs li {
    padding: 8px 18px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.product-tabs li.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.product-tabs li:hover:not(.active) {
    background-color: var(--light-red);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .product-tabs {
        flex-direction: column;
        align-items: center;
    }
    .product-tabs li {
        width: 80%;
        text-align: center;
    }
}

/* 企业愿景与使命部分样式 */
.vision-content {
    max-width: 1100px;
    margin: 0 auto;
}

.vision-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

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

.vision-pillar {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.vision-pillar:hover {
    transform: translateY(-10px);
}

.pillar-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-red);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.pillar-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.vision-pillar h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.vision-pillar p {
    font-size: 1rem;
    line-height: 1.6;
}

.vision-pillar .highlight {
    color: var(--primary-color);
    font-weight: bold;
}

.vision-banner {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    margin-top: 20px;
}

.banner-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.banner-content i.fa-quote-left {
    position: absolute;
    top: -20px;
    left: -30px;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.banner-content i.fa-quote-right {
    position: absolute;
    bottom: -20px;
    right: -30px;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.banner-content blockquote {
    font-size: 1.5rem;
    line-height: 1.6;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 0 0 30px;
}

.banner-action {
    margin-top: 20px;
}