/* 产教融合页面特定样式 */
.banner {
    position: relative;
    background-image: url(../images/xqbj.png);
    background-size: cover;
    background-position: center;
    height: 500px;
    margin-bottom: 0;
    overflow: hidden;
}

.banner-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.banner-content {
    position: absolute;
    top: 40%;
    left: 5%;
    transform: translateY(-50%);
    color: white;
}

.page-title-main {
    font-size: 70px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-title-en {
    font-size: 36px;
    color: #ffffff;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 2px;
    font-weight: 300;
    display: block;
    position: relative;
    padding-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-title-en:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #ffffff;
}

.main-content {
    background-color: #fff;
    padding: 40px 0;
}

.sidebar {
    padding: 0;
    background-color: #fff;
}

.industry-en {
    font-size: 52px;
    font-weight: 400;
    letter-spacing: 0.6px;
    line-height: 71.34px;
    color: rgba(230, 230, 230, 1);
    text-align: left;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.industry-cn {
    font-size: 32px;
    color: #333;
    font-weight: bold;
    margin-bottom: 10px;
}

.blue-line {
    width: 80px;
    height: 3px;
    background-color: #0066cc;
    margin-bottom: 30px;
}

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

.sidebar-menu li {
    padding: 0;
    margin-bottom: 20px;
    border-bottom: none;
}

.sidebar-menu li a {
    color: #333;
    display: block;
    padding: 0;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
    border-bottom: none;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    color: #0066cc;
    background-color: transparent;
}

.sidebar-menu li a.active {
    color: #0066cc;
    font-weight: bold;
    border-bottom: 2px solid #0066cc;
    display: inline-block;
    padding-bottom: 5px;
}

/* 数据统计模块 */
.stats-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    margin-bottom: 40px;
}

.stat-item {
    flex: 1;
    padding: 30px 20px;
    text-align: center;
    border-right: 1px solid #f5f5f5;
    position: relative;
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    color: #0066cc;
    font-size: 24px;
    margin-bottom: 10px;
}

.stat-icon img {
    width: 40px;
    height: 40px;
}

.stat-number {
    font-size: 24px;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 5px;
}

.stat-text {
    font-size: 14px;
    color: #666;
}

/* 主要内容标题和文字 */
.content-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    text-align: left;
}

.content-text {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 40px;
    text-align: justify;
}

/* 企业案例模块 */
.cases-container {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.case-item {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.case-item:hover {
    transform: translate(-5px, 5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-item.hovered {
    transform: translate(-5px, 5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-item-yellow {
    background-color: #ffd026;
}

.case-item-blue {
    background-color: #e9f8ff;
}

.case-item-green {
    background-color: #e8f5e8;
}

/* 第二行（第4、5、6条）专属颜色 */
.case-item-orange { background-color: #ffe7cc; }
.case-item-purple { background-color: #efe7ff; }
.case-item-teal { background-color: #e6fffb; }

.case-content {
    padding: 30px;
    height: 240px;
    position: relative;
}

.case-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
    /* 标题最多显示2行，超出以省略号处理 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-desc {
    height: 50px;
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-number {
    position: absolute;
    right: 20px;
    bottom: 10px;
    font-size: 72px;
    font-weight: bold;
    opacity: 0.5;
}

.case-item-yellow .case-number {
    color: #8a9089;
}

.case-item-blue .case-number {
    color: #8a9089;
}

.case-arrow {
    position: absolute;
    left: 30px;
    bottom: 20px;
    font-size: 24px;
    transition: transform 0.3s ease;
}

.case-item:hover .case-arrow {
    transform: translateX(5px);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.overlay-content {
    text-align: center;
    padding: 20px;
}

.overlay-content h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #fff;
}

.overlay-content p {
    font-size: 14px;
    line-height: 1.6;
    color: #ddd;
}

/* 统计数据区域 */
.stats-section {
    margin-top: 60px;
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
    border-radius: 15px;
    text-align: center;
}

.section-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #1890ff);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #1890ff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 15px;
    display: block;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 8px;
    font-family: 'Arial', sans-serif;
}

.stat-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .cases-container {
        flex-direction: column;
        gap: 15px;
    }

    .case-content {
        height: auto;
        min-height: 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 350px;
    }

    .page-title-main {
        font-size: 48px;
    }

    .page-title-en {
        font-size: 24px;
    }

    .content-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .content-text {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .cases-container {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }

    .case-content {
        padding: 20px;
        height: auto;
        min-height: 180px;
    }

    .case-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .case-desc {
        font-size: 13px;
        margin-bottom: 15px;
    }

    .case-number {
        font-size: 48px;
        right: 15px;
        bottom: 8px;
    }

    .case-arrow {
        left: 20px;
        bottom: 15px;
        font-size: 20px;
    }

    .stats-section {
        margin-top: 40px;
        padding: 30px 15px;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-card {
        padding: 20px 15px;
    }

    .stat-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .stat-number {
        font-size: 28px;
        margin-bottom: 6px;
    }

    .stat-label {
        font-size: 12px;
    }

    .overlay-content {
        padding: 15px;
    }

    .overlay-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .overlay-content p {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .case-item:hover {
        transform: translate(-3px, 3px);
    }

    .stat-card:hover {
        transform: translateY(-3px);
    }
}