/* 关于页面样式 */
.about-page {
    padding-top: 70px;
}

.page-hero {
    height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.267), rgba(0, 0, 0, 0.415)), url('../image/banner3.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    opacity: 0.9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* 公司简介部分 */
.company-intro {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.intro-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.text-content {
    flex: 1;
}

.text-content p {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.8;
}

.company-image {
    flex: 1;
}

.company-image img {
    width: 80%;
    border-radius: 12px;
}

/* 使命部分 */
.our-mission {
    padding: 6rem 0;
    margin: 3rem 0rem;
    background: var(--bg-secondary);
}

.mission-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mission-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.mission-item:hover {
    transform: translateY(-5px);
}

.mission-item i {
    font-size: 2.5rem;
    color: #ffc801;
    margin-bottom: 1.5rem;
}

.mission-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.mission-item p {
    color: var(--text-secondary);
}


/* 响应式调整 */
@media (max-width: 768px) {
    .intro-content {
        flex-direction: column;
    }

    .mission-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        justify-content: flex-start;
        padding-left: 60px;
    }

    .timeline-item:nth-child(even) .content {
        margin-right: 0;
        text-align: left;
        order: 1;
    }

    .timeline-item:nth-child(odd) .content {
        margin-left: 2rem;
    }

    .year {
        position: absolute;
        left: 0;
        transform: translateX(-50%);
    }
}