* {
    padding: 0;
    margin: 0;
    text-decoration: none
}

header {
    height: 80px;
    background-color: #20232a
}

header .max-header {
    width:auto;
    height: auto;
    margin: 0 auto;
    line-height: 80px
}

header .max-header>ul {
    display: flex;
    position: relative;
    z-index: 3
}

header .max-header>ul>li {
    text-align: center;
    list-style: none;
    color: #fff;
    width: 20%;
    position: relative
}

header .max-header>ul>li:hover ul {
    visibility: inherit
}

header .max-header>ul>li>ul {
    visibility: hidden;
    position: absolute;
    z-index: 1;
    width: 100%;
    background-color: #20232a
}

header .max-header>ul>li>ul>li {
    height: 50px;
    line-height: 50px;
    list-style: none
}

header .max-header>ul>li>ul>li:hover {
    background-color: rgba(0, 0, 0, 0.5)
}

header .max-header>ul>li a {
    text-decoration: none;
    color: #fff;
    display: inline-block;
    width: 100%;
    height: 100%
}

header .max-header>ul>li a:hover {
    color: #61dafb
}

.banner {
    padding: 50px 0;
    background-color: #282c34
}

.banner .max-banner {
    width: auto;
    margin: 0 auto;
    display: flex;
    justify-items: center;
    align-items: center
}

.banner .max-banner .text-box {
    text-align:center
}

.banner .max-banner .text-box div {
    text-align:center;
    padding: 8px 64px;
}

.banner .max-banner .text-box>div>a {
    color: #61dafb;
    text-decoration: underline;
}

.banner .max-banner .text-box div>a:hover {
    color: rgba(187, 239, 253, 0.5);
    font-size: 20px;
}

.banner .max-banner .text-box div:nth-child(1) {
    font-size: 50px;
    font-weight: bold;
    letter-spacing: 1px;
    color: #61dafb
}

.banner .max-banner .text-box div:nth-child(2) {
    font-size: 15px;
    color: #fff;
    margin-bottom: 20px
}

.banner .max-banner .text-box div:nth-child(3) {
    font-size: 15px;
    color: #fff;
    margin-bottom: 40px
}

.banner .max-banner .text-box div:nth-child(4) {
    display: flex;
    align-items: flex-start
}

.banner .max-banner .text-box div:nth-child(4) div {
    width: 33%
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1),
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) {
    vertical-align: text-top;
    overflow: hidden;
    font-size: 20px
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) a,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) a {
    display: inline-block;
    height: 40px;
    padding: 0 10px;
    background-color: #61dafb;
    color: #282c34;
    line-height: 40px;
    text-align: center;
    transition: .5s
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) a:hover,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) a:hover {
    background-color: #fff;
    color: #000
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1):hover .box-ul,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3):hover .box-ul {
    height: auto;
    transform: translateX(0)
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1):hover .box-ul1,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3):hover .box-ul1 {
    height: auto;
    transform: translateX(0)
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) .box-ul1,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) .box-ul1 {
    transition: .5s;
    transform: translateX(-150%);
}
.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) .box-ul1{
    font-size:large;
    font-weight: 400;
    text-align: left;
}
.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) ul,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) ul {
    transition: .5s;
    transform: translateX(150%);
    position: relative;
    z-index: 1;
    height: 0
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) ul>li,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) ul>li {
    list-style: none;
    margin: 10px 0;
    color: #fff
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(1) ul>li a,
.banner .max-banner .text-box div:nth-child(4) div:nth-child(3) ul>li a {
    background-color: transparent;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 10px
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(2) {
    display: inline-block;
    height: 40px;
    padding: 0 10px;
    background-color: #61dafb;
    color: #282c34;
    line-height: 40px;
    text-align: center
}

.banner .max-banner .text-box div:nth-child(4) div:nth-child(2) a {
    color: #000;
    width: 100%;
    height: 100%;
    display: block;
    font-size: 20px;
    font-weight: bold;
    background-color: #61dafb
}

.banner .max-banner .text-box>p {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-top: 30px;
    padding: 8px 64px;
}

.banner .max-banner .text-box>p>a{
    color: #61dafb;
    text-decoration: underline;
}

.banner .max-banner .text-box>p>a:hover {
    color: rgba(187, 239, 253, 0.5);
    font-size: 25px;
}

main {
    margin-top: 50px
}

main .max-main {
    overflow: hidden;
    width: 90%;
    margin: 0 auto;
    background-color: #f1f1f1
}

main .max-main .item-box h2 {
    text-align: center;
    margin: 50px 0;
    font-size: 40px;
    font-weight: bold;
    font-family:Arial, Helvetica, sans-serif;
    font-style: italic;
}

main .max-main .item-box .system {
    display: flex;
    flex-wrap: wrap;
    justify-content: center
}

main .max-main .item-box .system .item {
    width: 40%;
    margin-bottom: 30px;
    margin-right: 50px
}

main .max-main .item-box .system .item>h3 {
    margin-bottom: 20px;
    text-align: center;
    font-style:inherit;
    font-size: 22px;
}

main .max-main .item-box .system .item a {
    display: inline-block;
    
}

main .max-main .item-box .system .item a:hover {
    font-size: large;
    
}

main .max-main .item-box .system .item p {
    font-size: 15px
}
main .hr0{
    height:1px;border:none;border-top:1px solid #555555;

}
main .max-main .item-box .system .item p a {
    display: inline-block;
}

main .max-main .item-box .system .item:nth-child(5) {
    flex: 1
}

main .max-main .item-box .system .item:nth-child(5)>ul {
    padding-left: 40px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap
}

main .max-main .item-box .system .item:nth-child(5)>ul>li {
    width: 49%;
    margin-bottom: 60px;
    /*border-left: 1px solid #808080*/
}

main .max-main .item-box .system .item:nth-child(5)>ul>li ul {
    padding-left: 40px
}

main .max-main .item-box>p {
    margin-top: 20px;
    font-size: 20px
}

main .max-main .item-box>p a {
    background-color: rgba(187, 239, 253, 0.5)
}

main .max-main .item-box2 h2 {
    text-align: center;
    margin: 50px 0
}

main .max-main .item-box2 .system .item {
    margin-bottom: 20px;
    margin-right: 0
}

main .max-main .item-box2 .system .item h3 {
    margin-bottom: 10px;
}

main .max-main .item-box2 .system .item p {
    text-indent: 20px
}

main .max-main .item-box2 .system .item p a {
    background-color: rgba(187, 239, 253, 0.5)
}

main .max-main .item-box2 .system .item li {
    text-indent: 40px;
    margin-bottom: 5px
}

main .max-main .item-box2 .system .item li a {
    background-color: rgba(187, 239, 253, 0.5)
}

main .max-main .item-box2 .system .item li span {
    display: block;
    margin: 10px 0
}

footer {
    background-color: #20232a
}

footer .max-footer {
    width: 1200px;
    margin: 0 auto;
    height: 60px;
    line-height: 60px;
    color: #fff
}

footer .max-footer a{
    color: #61dafb;;
}

footer .max-footer a:hover{
    color: rgba(187, 239, 253, 0.5);
    font-size: 20px;
}