/**
 * 团队介绍页面样式表
 * 
 * 这个文件定义了团队介绍页面的所有样式
 * 包括：页面横幅、团队介绍、团队优势等组件
 */

/* ==========================================================================
   1. 全局变量
   ========================================================================== */
:root {
    /* 颜色变量 */
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --text-primary: #2c3e50;
    --text-secondary: #495057;
    --text-muted: #666;
    --bg-white: #fff;
    --bg-light: #f8f9fa;
    --bg-gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    
    /* 尺寸变量 */
    --border-radius-sm: 8px;
    --border-radius-md: 10px;
    --border-radius-lg: 15px;
    
    /* 间距变量 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
    --spacing-xxxl: 3rem;
    
    /* 阴影变量 */
    --shadow-sm: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 32px rgba(31, 38, 135, 0.15);
    --shadow-lg: 0 15px 40px rgba(31, 38, 135, 0.2);
    
    /* 过渡变量 */
    --transition-base: all 0.3s ease;
    --transition-transform: transform 0.3s ease;
    --transition-shadow: box-shadow 0.3s ease;
}

/* ==========================================================================
   2. 页面横幅样式
   ========================================================================== */
.page-banner {
    position: relative;
    background: var(--bg-light);
    padding: var(--spacing-xxxl) 0;
}

/* 横幅图片容器 */
.banner-image {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-md);
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 横幅遮罩层 */
.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

/* 横幅内容 */
.banner-content {
    width: 100%;
    z-index: 1;
}

.banner-content h1 {
    font-size: 4.5rem;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.05em;
}

.banner-content p {
    display: none;
}

/* ==========================================================================
   3. 团队介绍样式
   ========================================================================== */
.team-intro {
    background: var(--bg-white);
}

/* 标题样式 */
.section-title {
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 700;
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.team-intro .lead {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.team-description p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ==========================================================================
   4. 团队优势样式
   ========================================================================== */
.team-advantages {
    background: var(--bg-gradient-light);
}

/* 优势卡片 */
.advantage-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.9);
}

/* 优势图标 */
.advantage-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-base);
}

.advantage-card:hover i {
    transform: scale(1.1);
    color: #00bcd4;
}

/* 优势标题 */
.advantage-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.advantage-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), #00bcd4);
    border-radius: 3px;
}

/* 优势描述 */
.advantage-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
    transition: var(--transition-base);
}

.advantage-card:hover p {
    color: var(--text-primary);
}

/* ==========================================================================
   5. 响应式设计
   ========================================================================== */
@media (max-width: 991.98px) {
    /* 平板设备调整 */
    .section-title {
        font-size: 2rem;
    }

    .team-intro .lead {
        font-size: 1.25rem;
    }

    .advantage-card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }

    .advantage-card h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    /* 移动设备调整 */
    .page-banner {
        padding: var(--spacing-xl) 0;
    }

    .banner-image {
        height: 300px;
    }

    .banner-content h1 {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .team-intro .lead {
        font-size: 1.1rem;
    }

    .team-description p {
        font-size: 1rem;
    }

    .advantage-card {
        padding: var(--spacing-md);
    }

    .advantage-card i {
        font-size: 2rem;
    }

    .advantage-card h3 {
        font-size: 1.1rem;
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .advantage-card h3::after {
        width: 60px;
    }
}

@media (max-width: 576px) {
    /* 小屏幕设备调整 */
    .page-banner {
        padding: var(--spacing-lg) 0;
    }

    .banner-image {
        height: 250px;
    }

    .banner-content h1 {
        font-size: 2.8rem;
    }
}

/* ==========================================================================
   6. 页面布局修复
   ========================================================================== */
/* 修复顶部通知栏和导航栏之间的空白间隙 */
.top-bar, #topBarContainer {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: 36px !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 1002 !important;
    border-bottom: none !important;
    transition: var(--transition-base) !important;
    background-color: #3B8AD9 !important;
    overflow: hidden !important;
}

.navbar, #mainNavContainer {
    position: fixed !important;
    top: 36px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: var(--spacing-xs) 0 !important;
    z-index: 1000 !important;
    border-top: none !important;
    transition: var(--transition-base) !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    height: 58px !important;
}

/* 强制性移除间隙 */
#mainNavContainer::before,
#topBarContainer::after {
    display: none !important;
    content: none !important;
}

/* 确保所有容器样式统一 */
#siteHeader .container,
.navbar .container,
.top-bar .container {
    max-width: var(--container-width) !important;
    margin: 0 auto !important;
}

/* 滚动状态 */
#siteHeader.scrolled #topBarContainer {
    height: 0 !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

#siteHeader.scrolled #mainNavContainer {
    top: 0 !important;
    z-index: 1001 !important;
}

/* 调整主内容区域布局 */
main {
    margin-top: 0px;
    position: relative;
    z-index: 900;
    padding-top: var(--spacing-md);
}