/* picturecontent.html专用样式 */

/* 研究院简介页面专用样式 */
.picturecontent-page .main-content {
    margin-bottom: 40px;
}

/* 内容标题区域样式 */
.picturecontent-page .content-header {
    margin-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
}

.picturecontent-page .content-title {
    font-size: 28px;
    font-weight: 600;
    color: #2c3e50;
    display: flex;
    align-items: center;
    margin: 0;
}

.picturecontent-page .content-title .title-icon {
    margin-right: 12px;
}

/* 研究院简介的图片区域优化 */
.picturecontent-page .intro-image {
    margin-bottom: 0;
    border: none;
    box-shadow: none;
}

.picturecontent-page .intro-image img {
    border: none;
    box-shadow: none;
    background: none;
}

.picturecontent-page .image-caption {
    margin-bottom: 0;
    padding-bottom: 0;
}

/* 研究院简介各部分样式优化 */
.picturecontent-page .intro-section {
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #1e88e5;
    transition: all 0.3s ease;
}

.picturecontent-page .intro-section:hover {
    background: #f0f4f8;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.picturecontent-page .intro-section h3 {
    color: #1e88e5;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 600;
}

.picturecontent-page .intro-section p, 
.picturecontent-page .intro-section ul {
    line-height: 1.8;
    color: #555;
    margin-bottom: 10px;
}

/* 图片区域优化 */
.picturecontent-page .intro-image {
    margin-top: 30px;
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.picturecontent-page .intro-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.picturecontent-page .image-caption {
    margin-top: 15px;
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* 为picturecontent.html的5个菜单项优化侧边栏装饰背景 */
.picturecontent-page .sidebar .sidebar-decoration {
    height: 280px; /* 适合5个菜单项的高度，避免覆盖菜单 */
    opacity: 0.7;
}

.picturecontent-page .sidebar .sidebar-nav,
.picturecontent-page .sidebar .sidebar-content {
    min-height: 400px; /* 为5个菜单项提供足够空间 */
}

/* 右侧内容主区域样式 */
.picturecontent-page .content-main {
    min-height: 600px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* 两栏布局样式 */
.picturecontent-page .content-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

/* 侧边栏样式 */
.picturecontent-page .sidebar {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    position: sticky;
    top: 120px;
    border: 1px solid rgba(30, 136, 229, 0.1);
    min-height: 700px;
    height: auto;
    z-index: 2;
}

/* 内容区域调整 */
.picturecontent-page .introduction-content {
    min-height: 550px;
    padding: 30px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .picturecontent-page .content-layout {
        grid-template-columns: 240px 1fr;
        gap: 25px;
    }
    
    .picturecontent-page .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .picturecontent-page .content-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .picturecontent-page .sidebar {
        order: -1;
        position: static;
        top: auto;
        min-height: 600px;
    }
    
    .picturecontent-page .sidebar-decoration {
        display: none;
    }
    
    .picturecontent-page .introduction-content {
        padding: 20px 15px;
        min-height: auto;
    }
    
    .picturecontent-page .content-title {
        font-size: 24px;
    }
    
    .picturecontent-page .intro-section {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .picturecontent-page .intro-section h3 {
        font-size: 16px;
    }
    
    .picturecontent-page .intro-image {
        padding: 15px;
        margin-top: 20px;
    }
    
    /* 移动端导航样式 */
    .picturecontent-page .nav-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 15px 10px;
        justify-content: center;
    }
    
    .picturecontent-page .nav-item {
        flex: 0 0 auto;
        margin: 0;
    }
    
    .picturecontent-page .nav-link {
        padding: 10px 12px;
        font-size: 14px;
        white-space: nowrap;
        text-align: center;
        border-radius: 8px;
        border: none;
        background: rgba(30, 136, 229, 0.05);
    }
    
    .picturecontent-page .nav-item.active .nav-link {
        background: linear-gradient(90deg, 
            rgba(30, 136, 229, 0.9) 0%, 
            rgba(30, 136, 229, 0.8) 100%);
        color: #fff;
        box-shadow: 0 2px 8px rgba(30, 136, 229, 0.4);
        border-radius: 8px;
        transform: none;
        border-left-width: 0;
    }
}

@media (max-width: 480px) {
    .picturecontent-page .introduction-content {
        padding: 15px 10px;
    }
    
    .picturecontent-page .content-title {
        font-size: 20px;
    }
    
    .picturecontent-page .intro-section {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .picturecontent-page .intro-section h3 {
        font-size: 15px;
    }
    
    .picturecontent-page .intro-image {
        padding: 10px;
        margin-top: 15px;
    }
    
    .picturecontent-page .nav-item {
        min-width: 70px;
        flex: 1;
        max-width: 90px;
    }
    
    .picturecontent-page .nav-link {
        padding: 10px 8px;
        font-size: 12px;
    }
}