/* css/aboutus.css - 关于页面专用样式 */

/* 导航栏激活状态 */
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* 关于标题区 */
.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0 80px;
    text-align: center;
}

.about-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.about-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    letter-spacing: 2px;
}

/* 通用章节样式 */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    margin-top: 15px;
    border-radius: 2px;
}

.section-subtitle {
    color: #666;
    font-size: 1rem;
    letter-spacing: 1px;
}

/* 公司简介区 */
.about-intro {
    padding: 80px 0;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.lead-text {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    color: #555;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* 核心理念区 */
.about-values {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.value-icon i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value-card h4 {
    font-size: 1.4rem;
    color: var(--dark-text);
    margin-bottom: 15px;
}

.value-card p {
    color: #666;
    line-height: 1.8;
}

/* 业务优势区 */
.about-advantages {
    padding: 80px 0;
}

.advantage-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.advantage-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15) !important;
}

.advantage-card h5 {
    font-size: 1.3rem;
    color: var(--dark-text);
    margin-bottom: 10px;
}

.advantage-card p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 团队文化区 */
.about-culture {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.culture-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.culture-item {
    margin-bottom: 20px;
}

.culture-item h5 {
    font-size: 1.2rem;
    color: var(--dark-text);
    margin-bottom: 8px;
}

.culture-item h5 i {
    color: #f39c12;
    margin-right: 8px;
}

.culture-item p {
    color: #666;
    line-height: 1.7;
    margin-left: 30px;
}

/* 联系方式区 */
.about-contact {
    padding: 80px 0;
}

.contact-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-info {
    transition: transform 0.3s ease;
}

.contact-info:hover {
    transform: translateY(-5px);
}

.contact-info h5 {
    font-size: 1.3rem;
    color: var(--dark-text);
    margin-bottom: 10px;
}

.contact-detail {
    color: #666;
    font-size: 1.05rem;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .about-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .intro-image img {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 60px 0 40px;
    }
    
    .about-title {
        font-size: 2.2rem;
    }
    
    .about-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-intro,
    .about-values,
    .about-advantages,
    .about-culture,
    .about-contact {
        padding: 50px 0;
    }
    
    .intro-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .about-title {
        font-size: 1.8rem;
    }
    
    .lead-text {
        font-size: 1.1rem;
    }
}