@import url('./reset.css');

.mian {
    max-width: 1200px;
    margin: auto;
}

.df {
    display: flex;
}

.df2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.df2 li {
    width: 49%;
}

.df3 {
    display: flex;
    justify-content: space-between;
}

.df3 li {
    width: calc(33.33% - 15px);
    color: #fff;
    padding: 16px 20px;
}

li p {
    margin: 5px 0;
}

p b {
    font-size: 16px;
}

h2 {
    font-size: 30px;
    color: #000;
    margin-bottom: 30px;
}

h4 {
    color: #666;
    line-height: 35px;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #fff;
    -webkit-box-shadow: 0 2px 4px 0 rgba(0, 0, 0, .05);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, .05);
}

header .mian {
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 70px;
}
header  .logo img {
    margin-top: 9px;
}
header ul {
    display: flex;
    height: 60px;
    line-height: 60px;
}

header button {
    background-color: #fff;
    height: 32px;
    width: 80px;
    border: 1px solid #ccc;
    font-size: 14px;
    border-radius: 20px;
    cursor: pointer;
}

header a:nth-child(1) button {
    margin-right: 10px;
}

header button:hover {
    background-color: #2b425c;
    color: #fff;
}

header li {
    margin-left: 35px;
    font-size: 14px;
}

footer {
    height: 60px;
    background-color: #2b425c;
}

footer .mian {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    color: #fff;
}

footer img {
    width: 30px;
}

.banner {
    display: flex;
    justify-content: center;
    padding-top: 20vh;
    margin-bottom: 80px;
    text-align: center;
    background-color: #2b425c;
    color: #fff;
    height: 90vh;
}

.banner h2 {
    margin-bottom: 50px;
    font-size: 32px;
    color: #fff;
}

.banner h4 {
    font-weight: normal;
    color: #fff;
    margin-bottom: 30px;
}

.banner_img {
    width: 65vw;
}

.banner_img img {
    width: 55vw;
}

.list1 li {
    padding-right: 10%;
}

.list1 li p {
    margin: 15px 0 5px;
}

.list1 li img {
    width: 50px;
    height: 50px;
}

.list1 div div {
    height: 60px;
}

.box {
    padding: 120px 0;
}

.box_b {
    background-color: #f1f2f3;
}

.box_b ul {
    margin-top: 30px;
}

.box_b ul p {
    margin-top: 0;
}

.box_b .list2 li {
    background: linear-gradient(140deg, #abcd47 25%, #107451);
}

.box_b .list2 li:nth-child(2) {
    background: linear-gradient(140deg, #107451 25%, #3b5588);
}

.box_b .list2 li:nth-child(3) {
    background: linear-gradient(140deg, #3b5588 10%, #78558c);
}

.df4 {
    display: flex;
    justify-content: space-between;
}

.df4 li {
    width: calc(25% - 15px);
    padding: 16px 20px;
    background-color: #fff;
    box-shadow: 0 3px 30px 1px rgba(0, 0, 0, .2);
}

.box_b p {
    font-size: 16px;
    margin-bottom: 14px;
    font-weight: 600;
}
.box_b div {
    
}
.box_c .title {
    align-items: flex-start;
    justify-content: center;
}

.box_c h2 {
    line-height: 36px;
}

.box_c .title img {
    width: 35vw;
    margin-right: 8vw;
}

.box_c .title div {
    width: 400px;
}

.box_c ul {
    margin-top: 60px;
}

.box_c li img {
    width: 50px;
    height: 50px;
}

.box_c li {
    padding-right: 10%;
    display: flex;
    justify-content: space-between;
}

.box_c .txt {
    width: calc(100% - 80px);
}

.box_c li p {
    color: #000;
    font-size: 16px;
}

.box_c li div {
    height: 100px;
}

.box_d {
    background-color: #f1f2f3;
}

.box_d .df3 {
    flex-wrap: wrap;
    /* justify-content: start; */
}

.box_d p {
    color: #000;
    font-size: 20px;
    margin-bottom: 15px;
}

.box_d div {
    color: #666;
}

.list5 {
    margin-top: 50px;
}

.list5 li {
    width: calc(33.33% - 70px);
    background-color: #fff;
    box-shadow: 0 3px 30px 5px rgba(0, 0, 0, .2);
    height: 330px;
    padding: 30px 50px;
    margin-bottom: 30px;
    margin-right: 30px;
}

.list5 li img {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
}

.app ul li {
    padding: 35px 20px;
    /* animation: .3s alternate; */
    transition: all 1s;
    cursor: pointer;
}

.app ul li img+img {
    display: none;
}

.app ul li:hover {
    background-color: #2b425c;
}

.app ul li:hover img {
    display: none;
}

.app ul li:hover img+img {
    display: inline-block;
}

.app ul li:hover p {
    color: #fff;
}

.app ul li:hover div {
    color: #ddd;
}