.banner {
    width: 100vw;
    margin-top: 9.2vh;
}

.body1 {
    width: 1200px;
    height: 700px;
    background: url(../img/Home/back2.png);
    background-size: 100% 100%;
    overflow: hidden;
    margin: auto;
    margin-top: 50px;
}

.body1 h1 {
    font-size: 50px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.5);
    text-align: center;
    margin-top: 8vh;
    margin-bottom: 30px;
}

.body1 h2 {
    font-size: 24px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.5);
    text-align: center;
    margin-bottom: 50px;
}

.body1 ul {
    width: 70%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.body1 ul li {
    font-size: 24px;
    color: #fff;
    letter-spacing: 1px;
    position: relative;
}

.body1 ul .cur::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 36px;
    background: url(../img/scheme/cur.png);
    background-size: 100% 100%;
    left: 50%;
    bottom: -44px;
    transform: translateX(-50%);
}

.body1 div {
    display: flex;
    justify-content: space-between;
    position: relative;
    width: 80%;
    height: 260px;
    margin: auto;
    margin-top: 20px;
}

.body1 div .arroww {
    height: 4.8vh;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
}

.body1 div .arrowwR {
    height: 4.8vh;
    position: absolute;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
    right: 0;
    cursor: pointer;
}

.body1 div .img {
    height: 260px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    margin-top: 20px;
}

.body1 div .img:nth-child(1) {
    display: block;
}

.body1 div p {
    font-size: 20px;
    color: #fcfcfc;
    letter-spacing: 1px;
    text-align: center;
    width: 1100px;
    position: absolute;
    bottom: -90px;
    left: 50%;
    margin-left: -550px;
    display: none;
}

.body1 div p:nth-child(7) {
    display: block;
}

.body2 {
    overflow: hidden;
    margin-top: 100px;
    position: relative;
}

.body2 h1 {
    font-size: 50px;
    color: #1075bb;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 600;
}

.body2 h2 {
    font-size: 24px;
    color: #231815;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 8vh;
}

.body2 img {
    width: 900px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.body3 {
    width: 1200px;
    height: 700px;
    background: url(../img/scheme/back1.png);
    background-size: 100% 100%;
    overflow: hidden;
    position: relative;
    margin: auto;
    margin-top: 60px;
}

.body3 h1 {
    font-size: 50px;
    color: #fff;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 600;
    margin-top: 50px;
}

.body3 p {
    font-size: 18px;
    color: #fff;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 20px;
    line-height: 30px;
}

.body3 div {
    height: 450px;
    display: flex;
    justify-content: space-between;
    position: relative;
}

.body3 div .arrow {
    height: 40px;
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    cursor: pointer;
    left: 80px;
}

.body3 div .arrowR {
    height: 40px;
    position: absolute;
    top: 40%;
    transform: translateY(-50%) rotate(180deg);
    cursor: pointer;
    right: 80px;
}

.body3 .img {
    /* max-width: 700px; */
    max-height: 450px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    display: none;
}

.body3 img:nth-child(2) {
    display: block;
}

.body4 {
    margin-top: 100px;
    margin-bottom: 150px;
}

.body4 h1 {
    font-size: 50px;
    color: #1075bb;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 600;
}

.body4 h2 {
    font-size: 24px;
    color: #231815;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 80px;
}

.body4 div {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    margin: auto;
}

.body4 div img {
    width: 17%;
    transition: 500ms;
}

.body4 div img:hover {
    /* margin-top: -50px; */
    transform: scale(1.05);
    transition: 500ms;
}