.index-header>.header-hover {
    padding: 20px 120px;
    display: flex;
}

.header-hover>ul>li {
    margin: 15px 0;
    padding-left: 30px;
}

.header-hover>ul>li:first-child {
    padding-left: 0;
}

.header-hover>ul.top_left img {
    --size: 20px;
    width: var(--size);
    height: var(--size);
    margin-right: 10px;
}

.header-hover>ul.top_right {
    padding-left: 20px;
}
.header-hover>ul.top_right>li:first-child{
    margin-left: 30px;
}
.header-hover>ul.top_right>li:last-child{
    padding-left: 50px;
}
.header-hover>ul.top_right img {
    --size: 34px;
    width: var(--size);
    margin-right: 10px;
}
.header-hover .tr-list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.header-hover .tr-list >div{
    margin: 10px 0;
}
.floor1 {
    position: relative;
}

.floor1 .floor1-section {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.floor1 .floor1-section li:first-child {
    font-size: 30px;
    font-weight: bold;
    color: #000;
}

.floor1 .floor1-section li:first-child::after {
    content: '让一切变简单';
    font-size: 16px;
}

.floor1 .floor1-section li:last-child {
    color: #666;
}

.f2-left {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.f2-left>li {
    padding: 10px 40px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
}

.f2-left>li:hover {
    opacity: .8;
    background-color: rgba(0, 146, 255, .5);
}

.f2-left>li:active {
    opacity: .6;
}

.f2-left>li {}

.f2-left li img,
.floor4>ul>li>ul img {
    --size: 20px;
    width: var(--size);
    height: var(--size);
    margin-right: 10px;
}

.f2-left li.active {
    background-color: var(--primary-color1);
    color: #fff;
}

.f2-right {
    padding: 0;
}

.f2-right-btm {
    position: absolute;
    padding: 20px;
    color: #fff;
    width: 100%;
    bottom: 0;
    background-color: rgba(0, 0, 0, .8);
}

.f2-right-btm li {
    cursor: pointer;
}

.floor3>img {
    display: block;
    margin: 20px auto;
}

.floor3 .service-content {
    display: flex;
}

.floor3 .service-content ul {
    width: calc((100% - 60px) / 4);
    margin-left: 20px;
}

.floor3 .service-content ul:first-child {
    margin-left: 0;
}

.floor3 .service-content ul li {
    padding: 20px;
    text-align: center;
    background-color: #fff;
}

.floor3 .service-content ul li:first-child {
    background-color: var(--primary-color);
    color: #fff;
    letter-spacing: 3px;
    font-size: 1.2em;
}

.floor3 .service-content ul li:last-child {
    background-color: #F1F3F8;
    letter-spacing: 3px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floor3 .service-content ul li:last-child::after {
    content: '<';
    display: inline-block;
    font-size: 12px;
    transform: rotate(-90deg) scale(.8, 1.5);
    margin-left: 5px;
}

.floor4>ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.floor4>ul>li {
    margin: 20px 0;
    margin-right: 20px;
    width: calc((100% - 40px) / 3);
    box-shadow: 5px 5px 5px #ddd;
    border-radius: 10px;
    text-align: center;
}

.floor4>ul>li:nth-child(3),
.floor4>ul>li:nth-child(5) {
    margin-right: 0;
}