/* 横幅区域 */
.banner {
    background-color: #0047ab;
    color: #fff;
    padding: 200px 0 120px 0;
    text-align: left;
    background-image: url("/static/home/images/bg_about.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
}

.banner-box{
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.banner h1 {
    font-size: 32px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.banner p {
    font-size: 13px;
    max-width: 500px;
    margin-bottom: 20px;
    line-height: 2;
}

/* 集团概况内容区 */
.overview {
    padding: 60px 0;
}

.overview-item {
    padding: 10px;
}

.overview-item h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #0047ab;
    position: relative;
    padding-bottom: 10px;
}

.overview-item h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #0047ab;
}

.overview-item p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
}

.overview-item a {
    color: #0047ab;
    text-decoration: none;
    font-size: 12px;
    display: inline-block;
    margin-top: 5px;
}


/* 响应式适配（手机端）- 基于375px手机宽度换算 */
@media (max-width: 1024px) and (min-width: 769px) {

    /* 横幅区域适配 */
    .banner {
        padding: 200px 0 100px 0;
        text-align: center;
    }

    .banner-box {
        width: 400px;
        flex-direction: column;
        gap: 20px;
    }

    .banner h1 {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .banner p {
        font-size: 14px;
        max-width: 400px;
        text-align: justify;
    }
}


/* 响应式适配（手机端）- 基于375px手机宽度换算 */
@media (max-width: 768px) {

    /* 横幅区域适配 */
    .banner {
        padding: 200px 0 100px 0;
        text-align: center;
    }

    .banner-box {
        width: 338px;
        flex-direction: column;
        gap: 20px;
    }

    .banner h1 {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .banner p {
        font-size: 14px;
        max-width: 338px;
        text-align: justify;
    }
}