/* 页面标题样式 */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/about-banner.jpg');
    background-size: cover;
    background-position: center;
    height: 300px;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb .separator {
    color: rgba(255,255,255,0.6);
}

.breadcrumb .current {
    color: var(--secondary-color);
}

/* 公共section样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.section-header .subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 公司简介样式 */
.company-intro {
    background: #fff;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 30px;
}

.company-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 0;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    overflow: hidden;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 100%;
    height: 140px;
    margin: 0 auto 20px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* 企业文化样式 */
.company-culture {
    background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 0;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 0 0 20px 0;
}

.culture-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.culture-item:hover::before {
    transform: scaleX(1);
}

.culture-icon {
    width: 100%;
    height: 140px;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.culture-item:hover .culture-icon {
    transform: scale(1.1);
}

.culture-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.culture-item h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.culture-item p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* 发展历程样式 */
.company-history {
    background: #fff;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-content {
    position: relative;
    width: calc(50% - 30px);
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -30px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -30px;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: white;
    border: 4px solid var(--primary-color);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    left: -40px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    right: -40px;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.year {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-content h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* 合作伙伴样式 */
.partners {
    background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
    padding: 80px 0;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.partner-logo {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.partner-logo img {
    max-width: 150px;
    height: auto;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    filter: grayscale(0%);
}

/* 响应式样式 */
@media screen and (max-width: 1200px) {
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .partner-logos {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .company-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline-content {
        width: calc(100% - 50px);
        margin: 0 !important;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -30px;
    }

    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: -40px;
    }
}

@media screen and (max-width: 768px) {
    .page-header {
        height: 200px;
        margin-top: 60px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .company-features {
        grid-template-columns: 1fr;
    }

    .partner-logos {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media screen and (max-width: 576px) {
    .page-header h1 {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .timeline-content {
        padding: 20px;
    }

    .year {
        font-size: 1.5rem;
    }

    .timeline-content h4 {
        font-size: 1.1rem;
    }
} 
}