/* 集团页面样式 */

/* 页面内部Banner */
.tenglong-inner-banner {
    position: relative;
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.tenglong-inner-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../image/zoujin.jpg') center/cover no-repeat;
    opacity: 0.3;
    z-index: 0;
}

.tenglong-inner-banner-content {
    position: relative;
    z-index: 1;
    text-align: right !important;
    color: #fff;
    padding-right: 100px;
    padding-top: 30px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-top: 40px;
}

.tenglong-inner-banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    display: inline-block;
    border-bottom: 3px solid #ff0000;
    padding-bottom: 10px;
}

.tenglong-inner-banner-subtitle {
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 1px;
}

/* 响应式设计 - 平板 */
@media (max-width: 1024px) {
    .tenglong-inner-banner {
        height: 400px;
    }
    
    .tenglong-inner-banner-content {
        padding-right: 60px;
        margin-top: 30px;
    }
    
    .tenglong-inner-banner-title {
        font-size: 36px;
        margin-bottom: 15px;
    }
    
    .tenglong-inner-banner-subtitle {
        font-size: 20px;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 768px) {
    .tenglong-inner-banner {
        height: 350px;
    }
    
    .tenglong-inner-banner-content {
        padding: 0 30px;
        align-items: center;
        text-align: center !important;
        margin-top: 20px;
    }
    
    .tenglong-inner-banner-title {
        font-size: 28px;
        margin-bottom: 10px;
        border-bottom-width: 2px;
    }
    
    .tenglong-inner-banner-subtitle {
        font-size: 16px;
    }
}

/* 全局变量 */
:root {
    --color-primary: #1a3c6e;           /* 主色调：深蓝色 */
    --color-secondary: #005f8e;         /* 辅助色：深绿色 */
    --color-text-dark: #333333;        /* 深色文字 */
    --color-text-grey: #666666;        /* 灰色文字 */
    --color-light-gray: #f8f9fa;       /* 浅灰色背景 */
    --color-white: #ffffff;            /* 白色 */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);    /* 浅阴影 */
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);  /* 中等阴影 */
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);   /* 重阴影 */
    --transition-base: all 0.3s ease;  /* 基础过渡效果 */
    --border-radius: 12px;             /* 圆角 */
}

/* 主要内容区域 */
.tenglong-jituan-main {
    width: 100%;
    margin: 0 auto;
    background-color: var(--color-light-gray);
}

/* 集团信息板块 */
.tenglong-jituan-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.tenglong-jituan-container {
    max-width: 1450px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 企业概况 */
.tenglong-jituan-info {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-base);
}

.tenglong-jituan-info:hover {
    box-shadow: var(--shadow-heavy);
    transform: translateY(-5px);
}

.tenglong-section-title {
    font-size: 2.4rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 600;
    position: relative;
}

.tenglong-section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

/* 企业详情项 */
.tenglong-jituan-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.tenglong-jituan-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: #f9f9f9;
    border-radius: var(--border-radius);
    transition: var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.tenglong-jituan-detail-item:hover {
    background: #f0f4f8;
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

.tenglong-jituan-detail-item i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-top: 5px;
    flex-shrink: 0;
}

.tenglong-jituan-detail-item h3 {
    font-size: 1.1rem;
    color: var(--color-text-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.tenglong-jituan-detail-item p {
    font-size: 1rem;
    color: var(--color-text-grey);
    line-height: 1.6;
    margin: 0;
}

/* 能力标签 */
.tenglong-jituan-capabilities {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.tenglong-capability-item {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(26, 60, 110, 0.3);
}

.tenglong-capability-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 60, 110, 0.4);
}

.tenglong-capability-item i {
    font-size: 1.1rem;
}

/* 图片展示区域 */
.tenglong-jituan-gallery {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-medium);
}

.tenglong-gallery-container {
    position: relative;
}

/* 图片网格 */
.tenglong-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.tenglong-gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.tenglong-gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.tenglong-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.tenglong-gallery-item:hover img {
    transform: scale(1.1);
}

/* 图片遮罩层 */
.tenglong-gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 60, 110, 0.7), rgba(0, 95, 142, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.tenglong-gallery-item:hover .tenglong-gallery-overlay {
    opacity: 1;
}

.tenglong-gallery-overlay i {
    color: var(--color-white);
    font-size: 2.5rem;
    transform: scale(0);
    transition: var(--transition-base);
}

.tenglong-gallery-item:hover .tenglong-gallery-overlay i {
    transform: scale(1) rotate(90deg);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .tenglong-jituan-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tenglong-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .tenglong-jituan-section {
        padding: 40px 0;
    }
    
    .tenglong-jituan-info,
    .tenglong-jituan-gallery {
        padding: 30px;
    }
    
    .tenglong-section-title {
        font-size: 2rem;
    }
    
    .tenglong-jituan-details {
        grid-template-columns: 1fr;
    }
    
    .tenglong-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tenglong-jituan-container {
        padding: 0 15px;
    }
    
    .tenglong-jituan-info,
    .tenglong-jituan-gallery {
        padding: 20px;
    }
    
    .tenglong-section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .tenglong-jituan-detail-item {
        padding: 20px;
    }
    
    .tenglong-gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .tenglong-jituan-capabilities {
        flex-direction: column;
        align-items: center;
    }
    
    .tenglong-capability-item {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tenglong-jituan-section {
        padding: 30px 0;
    }
    
    .tenglong-section-title {
        font-size: 1.5rem;
    }
    
    .tenglong-jituan-detail-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .tenglong-jituan-detail-item i {
        margin-bottom: 15px;
    }
}

/* 动画效果 */
.tenglong-jituan-section {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.tenglong-jituan-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.tenglong-jituan-detail-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.5s ease-out;
}

.tenglong-jituan-detail-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.tenglong-gallery-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease-out;
}

.tenglong-gallery-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 图片查看器样式 */
.tenglong-image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.tenglong-image-viewer.active {
    display: flex;
}

.tenglong-viewer-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.tenglong-viewer-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
}

.tenglong-viewer-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.tenglong-viewer-close:hover {
    transform: rotate(90deg);
}

.tenglong-viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    font-size: 3rem;
    cursor: pointer;
    transition: var(--transition-base);
    z-index: 10;
}

.tenglong-viewer-nav:hover {
    transform: translateY(-50%) scale(1.2);
}

.tenglong-viewer-prev {
    left: -50px;
}

.tenglong-viewer-next {
    right: -50px;
}