html, body {
    width: 100%;
    height: 100%;
    background-color: #F5F5F5;
}

header {
    height: 64px;
    padding: 0 calc(50% - 600px);
    background-color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    /*width: 188px;*/
    height: 64px;
    background-size: 100% 100%;
}

header .logo img {
    max-width: 100%;
    max-height: 100%;
}

header .menu {
    display: flex;
    justify-content: start;
    align-items: center;
    flex: 1;
}

header .menu .sin {
    min-width: 62px;
    font-size: 16px;
    font-weight: 400;
    font-family: Source Han Sans-Medium;
    color: #1D2035;
    line-height: 23px;
    text-align: center;
    margin: 0 20px;
    cursor: pointer;
    position: relative;
}

header .menu .sin.active, header .menu .sin:hover {
    color: #48A0FF;
}

header .head_btns {
    display: flex;
    justify-content: start;
    align-items: center;
}

header .login_btn {
    color: #48A0FF;
    font-size: 16px;
    font-weight: 400;
    line-height: 23px;
    position: relative;
}

header .user_avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

footer {
    background-color: #FFFFFF;
}

footer .foot_text {
    position: relative;
}

footer .foot_text .bg {
    width: 100%;
    display: block;
}

footer .foot_text .content {
    position: absolute;
    top: 247px;
    /*left: 292px;*/
    left: calc(50% - 600px);
}

footer .foot_text .content .topTitle {
    display: flex;
    align-items: center;
}

footer .foot_text .content .topTitle .company {
    /*width: 288px;*/
    height: 80px;
    font-family: Alibaba PuHuiTi 2.0, Alibaba PuHuiTi 20;
    font-weight: 800;
    font-size: 72px;
    line-height: 80px;
    letter-spacing: 1px;
}

footer .foot_text .content .topTitle .note {
    /*width: 229px;*/
    height: 45px;
    background: linear-gradient(139deg, #79B2FF 0%, #4996FF 100%);
    box-shadow: 0px 4px 10px 0px rgba(0, 57, 170, 0.1);
    border-radius: 30px 50px 50px 0;
    padding: 8px 16px;
    font-family: Alibaba PuHuiTi 2.0, Alibaba PuHuiTi 20;
    font-weight: 500;
    font-size: 32px;
    color: #FFFFFF;
    line-height: 45px;
    letter-spacing: 1px;
    margin-left: 40px;
}

footer .foot_text .content .tabs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 350px;
}


footer .foot_text .content .tabs .tab_item {
    width: 122px;
    height: 50px;
    background: linear-gradient(90deg, #BEDBFF 0%, #DAEAFF 100%);
    border-radius: 8px 8px 8px 8px;
    border: 1px solid;
    border-image: linear-gradient(180deg, rgba(90.00000223517418, 239.00000095367432, 255, 1), rgba(190.0000038743019, 200.00000327825546, 255, 1)) 1 1;
    font-weight: 400;
    font-size: 16px;
    color: #004BA7;
    line-height: 50px;
    margin-top: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer .foot_text .content .tabs .tab_item:nth-child(2n+1) {
    margin-right: 44px;
}

footer .foot_text .content .tabs .tab_item img {
    width: 20px;
    height: 20px;
}

footer .foot_text .content .qrcodes {
    margin-top: 40px;
    width: 698px;
    height: 202px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 16px 16px 16px 16px;
    border: 1px solid #FFFFFF;
    display: flex;
    align-items: center;
}

footer .foot_text .content .qrcodes .qrcode_item {
    display: flex;
}

footer .foot_text .content .qrcodes .qrcode_item .title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 120px;
    padding: 35px 24px 35px 48px;
}

footer .foot_text .content .qrcodes .qrcode_item .title .company {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 16px;
    color: #485374;
    line-height: 20px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

footer .foot_text .content .qrcodes .qrcode_item .title .note {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: #4D5E80;
    line-height: 20px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

footer .foot_text .content .qrcodes .qrcode_item .qrcode {
    width: 127px;
    height: 154px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid rgba(0, 75, 167, 0.1);
    text-align: center;
}

footer .foot_text .content .qrcodes .qrcode_item .qrcode img {
    width: 104px;
    height: 104px;
    margin-top: 10px;
}

footer .foot_text .content .qrcodes .qrcode_item .qrcode .note {
    height: 36px;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: #004BA7;
    line-height: 36px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    background: #F1F8FF;
    border-radius: 0 0 12px 12px;
}

footer .foot_line {
    height: 4px;
    background: #48A0FF;
}

footer .foot_bottom {
    padding: 32px calc(50% - 600px);
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 12px;
    color: #4D5E80;
    line-height: 30px;
    letter-spacing: 1px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    background-color: #FFFFFF;
}

footer .foot_bottom .links {
    display: flex;
    justify-content: center;
}

footer .foot_bottom .links .link_item {
    margin: 0px 20px;
    color: #4D5E80;
}

footer .foot_bottom .hr {
    margin: 20px 0;
    background: rgba(166, 166, 166, 0.2);
    height: 1px;
}

.kf {
    position: fixed;
    top: 30%;
    right: 40px;
    z-index: 200;
}

.kf .kf_item {
    width: 60px;
    height: 60px;
    background: #FFFFFF;
    box-shadow: 0px 10px 20px 0px rgba(11, 67, 129, 0.102);
    border-radius: 50%;
    margin-bottom: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.kf .kf_item .icon {
    width: 25px;
    height: 24px;
}

.kf .kf_item .content {
    display: none;
    position: absolute;
    width: 150px;
    top: 0;
    left: -150px;
    background-color: #FFFFFF;
    border-radius: 30px;
    text-align: center;
    color: #66697c;
    font-size: 14px;
    padding-bottom: 20px;
}

.kf .kf_item .content .title {
    margin-bottom: 5px;
}

.kf .kf_item .content .qrcode {
    width: 120px;
}