.index-banner {
    width: 100%;
    height: 800px;
    background-image: url("../assets/images/banner_solution.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.index-banner-c {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
}
.index-banner-c-a {
    font-weight: bold;
    font-size: 60px;
    color: #191B1F;
    margin-bottom: 12px;
}
.index-banner-c-b {
    font-weight: 400;
    font-size: 16px;
    color: #191B1F;
    margin-bottom: 50px;
}
.index-banner-c-c {
    width: 124px;
    height: 46px;
    padding: 0 19px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #FF7900;
    box-shadow: 0 2px 10px 0 rgba(255,121,0,0.2);
    border-radius: 30px;
    cursor: pointer;
    transition: .5s;
}
.index-banner-c-c:hover {
    background: #FF8C24;
}
.index-banner-c-c span {
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    margin-right: 5px;
}
.index-banner-c-c img {
    width: 16px;
    height: 16px;
}
.index-y {
    width: 100%;
    padding: 60px 0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}
.title {
    font-weight: 600;
    font-size: 32px;
    color: #191B1F;
}
.info {
    width: 1124px;
    text-align: center;
    font-weight: 400;
    font-size: 16px;
    color: #7B7F87;
    margin-top: 18px;
}
.index-y-img {
    width: 1200px;
    margin-top: 40px;
    height: 679px;
}
.index-y-img img {
    width: 100%;
    height: 100%;
}
.index-y-l {
    width: 1200px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 40px;
}
.index-y-l-item {
    width: 386px;
    height: 300px;
    padding: 30px;
    overflow: hidden;
    box-sizing: border-box;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: relative;
    margin-bottom: 20px;
    cursor: pointer;
}
.index-y-l-item:hover .l-item-box {
    bottom: 30px;
}
.index-y-l-item:hover .index-y-l-item-info {
    opacity: 1;
}
.index-y-l-item:hover .l-item-zz {
    bottom: 0;
}
.l-item-box {
    width: calc(100% - 60px);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: end;
    position: absolute;
    z-index: 3;
    bottom: -10px;
    left: 30px;
    transition: .5s;
}
.l-item-zz {
    width: 100%;
    height: 50%;
    position: absolute;
    left: 0;
    bottom: -100%;
    z-index: 2;
    transition: .3s;
    background: linear-gradient( 180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
    border-radius: 8px;
}
.index-y-l-item-title {
    font-weight: bold;
    font-size: 18px;
    color: #FFFFFF;
    text-shadow: 0 2px 4px rgba(0,0,0,0.7);
}
.index-y-l-item-x {
    width: 36px;
    height: 4px;
    background: #FF7900;
    border-radius: 2px;
    margin-top: 10px;
}
.index-y-l-item-info {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    margin-top: 10px;
    opacity: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.7);
}
.index-a-nr {
    width: 1200px;
    height: 484px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 40px;
}
.index-a-nr-left {
    flex-shrink: 0;
}
.index-a-nr-right {
    width: 676px;
    height: 380px;
}
.index-a-nr-right img {
    width: 100%;
    height: 100%;
}
.index-a-nr-left-list {
    width: 340px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.index-a-nr-left-list_item {
    width: 20%;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    margin-top: 18px;
}
.index-a-nr-left-list_item img {
    width: 44px;
    height: 44px;
    margin-bottom: 10px;
}
.index-a-nr-left-list_item span {
    font-weight: 400;
    font-size: 13px;
    color: #191B1F;
}
.index-fa-btn {
    width: 124px;
    height: 46px;
    padding: 12px 20px;
    box-sizing: border-box;
    background: #FF7900;
    box-shadow: 0 2px 10px 0 rgba(255,121,0,0.4);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: .5s;
}
.index-fa-btn:hover {
    background: #FF8C24;
}
.index-fa-btn span {
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
}
.index-fa-btn img {
    width: 16px;
    height: 16px;
}