/* =============================================
   about.css - 关于我们页面样式
============================================= */

/* ---- 页面 Banner ---- */
.about-hero {
    background: linear-gradient(135deg, #1a6fc4 0%, #0e4a8a 100%);
    background-size: cover;
    background-position: center;
    padding: 80px 0 60px;
    color: #fff;
    text-align: center;
    position: relative;
}

/* 背景图遮罩 */
.about-hero[style*="background-image"]::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,111,196,0.85) 0%, rgba(14,74,138,0.75) 100%);
    pointer-events: none;
}

.about-hero .container {
    position: relative;
    z-index: 1;
}

.about-hero-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.about-hero-subtitle {
    font-size: 18px;
    opacity: 0.95;
    font-weight: 300;
}

/* ---- 主内容区 ---- */
.about-main {
    padding: 60px 0 80px;
    background: #f8fafc;
}

/* ---- 简介卡片 ---- */
.about-intro-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px;
    margin-bottom: 48px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8eef5;
}

.about-intro-content {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
}

.about-intro-content p {
    margin-bottom: 16px;
}

.about-intro-content p:last-child {
    margin-bottom: 0;
}

/* ---- 使命愿景价值观 ---- */
.about-mvv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.mvv-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8eef5;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mvv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26,111,196,0.12);
}

.mvv-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1a6fc4 0%, #0e4a8a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
}

.mvv-card h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 16px;
    font-weight: 600;
}

.mvv-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* ---- 区块标题 ---- */
.about-section {
    margin-bottom: 60px;
}

.about-section:last-child {
    margin-bottom: 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 28px;
    color: #1a1a2e;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #1a6fc4, #0e4a8a);
    border-radius: 2px;
    margin: 0 auto;
}

/* ---- 团队介绍 ---- */
.about-team-content {
    background: #fff;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8eef5;
    font-size: 15px;
    line-height: 1.9;
    color: #555;
}

.about-team-content p {
    margin-bottom: 12px;
}

/* ---- 联系我们 ---- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.contact-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8eef5;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26,111,196,0.12);
}

.contact-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #1a6fc4 0%, #0e4a8a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.contact-card h4 {
    font-size: 16px;
    color: #1a1a2e;
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-card a {
    color: #1a6fc4;
    font-size: 14px;
    word-break: break-all;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-card p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.contact-qr {
    width: 120px;
    height: 120px;
    margin: 12px auto 0;
    border-radius: 8px;
    object-fit: cover;
}

.contact-desc {
    background: #fff;
    border-radius: 16px;
    padding: 28px 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #e8eef5;
    text-align: center;
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .about-hero {
        padding: 60px 0 48px;
    }
    
    .about-hero-title {
        font-size: 32px;
    }
    
    .about-hero-subtitle {
        font-size: 16px;
    }
    
    .about-main {
        padding: 40px 0 60px;
    }
    
    .about-intro-card {
        padding: 28px;
    }
    
    .about-mvv-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .mvv-card {
        padding: 28px 24px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-card {
        padding: 24px 20px;
    }
}