.social .banner {
    width: 100%;
    height: 450px;
    position: relative;
    overflow: hidden;
}

.social .banner .pic {
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    z-index: 10;
}

.social .banner .container {
    position: absolute;
    left: 0;
    right: 0;
    top: 108px;
    z-index: 20;
}

.social .banner .content .title {
    font-weight: 700;
    font-size: 42px;
    color: #ffffff;
    line-height: 59px;
}

.social .banner .content .desc {
    margin-top: 10px;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 30px;
}

.social .banner .content .desc p {
    white-space: pre-wrap;
}

.social .low-carbon-section {
    padding: 100px 0 120px;
    background: #F5F5FA;
}

.social .low-carbon-section .low-carbon .content {
    margin-top: 64px;
}

.social .low-carbon-section .low-carbon .content .pic {
    display: block;
    width: 100%;
    height: 600px;
}

.social .rural-section {
    padding: 100px 0 120px;
    background: #FFFFFF;
}

.social .rural-section .rural .content {
    margin-top: 64px;
}

.social .rural-section .rural .content .pic {
    display: block;
    width: 100%;
    height: 600px;
}

.social .sustainable-development-section {
    padding: 100px 0 120px;
    background: #F5F5FA;
}

.social .sustainable-development-section .sustainable-development .content {
    margin-top: 64px;
}

.social .sustainable-development-section .sustainable-development .content .pic {
    display: block;
    width: 100%;
    height: 600px;
}