@charset "UTF-8";
html {
    line-height: 1.15;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0;
    font-family: "PingFangSC", "PingFang-SC", "Microsoft Yahei";
    font-size: 16px;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent
}

aside, footer, header, section {
    display: block
}

a {
    text-decoration: none
}

img {
    width: 100%;
    border-style: none
}

body, button, dd, div, form, h1, h2, h3, h4, h5, h6, hr, html, li, menu, p, pre, table, td, textarea, th, ul {
    margin: 0;
    padding: 0;
    list-style: none
}

.main {
    width: 1200px;
    margin: 0 auto;
}

.main > .title {
    height: 42px;
    padding-top: 80px;
    line-height: 42px;
    text-align: center;
    font-size: 42px;
    color: #131415;
    font-weight: 500;
    letter-spacing: 1px;
}

.f_left {
    float: left
}

.f_right {
    float: right
}

.clear {
    clear: both
}

.c_white {
    color: #fff;
}

.c_black {
    color: #1D1E1F;
}

nav {
    width: 100vw;
    height: 98px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: background-color ease .5s;
}

nav.b_white {
    background: #fff;
}

nav .top_nav {
    width: 1200px;
    margin: 0 auto
}

nav .logo {
    width: 146px;
    height: 36px;
    padding-top: 31px;
}

nav #navi {
    padding-top: 41px;
    font-size: 0;
}

nav #navi li {
    display: inline-block;
    height: 16px;
    font-size: 16px;
    line-height: 16px;
    margin-left: 70px;
}

nav #navi li:first-child {
    margin: 0;
}

nav #navi li a {
    color: #fff;
    transition: color ease .5s;
}

nav.b_white #navi li a {
    color: #1D1E1F;
}

nav #navi li:hover a {
    color: #0CC676;
}

#banner {
    width: 100vw;
    height: 582px;
    padding-top: 98px;
    background: #000000;
    color: #fff;
}

#banner .main {
    box-sizing: border-box;
    width: 1350px;
    height: 501px;
    padding: 140px 0 0 76px;
    margin: 27px auto 0;
    background: url("../img/banner_bg.png") no-repeat center center;
    background-size: cover;
    text-align: left;
}

#banner .main > .title1 {
    height: 67px;
    line-height: 67px;
    font-size: 55px;
    font-weight: 500;
    letter-spacing: 2px;
}

#banner .main > .title2 {
    height: 32px;
    line-height: 32px;
    font-size: 32px;
    margin-top: 20px;
    font-weight: 400;
    letter-spacing: 1px;
}

#banner .main > .more_btn {
    display: block;
    width: 150px;
    height: 50px;
    border-radius: 50px;
    background: #0CC676;
    line-height: 50px;
    text-align: center;
    color: #ffffff;
    font-size: 18px;
    user-select: none;
    margin-top: 50px;
}

#quantization {
    width: 100vw;
    height: 580px;
}

.characteristics_list .main ul {
    overflow: hidden;
    margin-top: 129px;
}

.characteristics_list .main li {
    float: left;
    width: 234px;
    margin-left: 88px;
    text-align: center;
}

.characteristics_list .main li:first-child {
    margin: 0;
}

.characteristics_list .main li .characteristics_img {
    width: 120px;
    height: 88px;
    margin: 0 auto 17px;
}

.characteristics_list .main li .characteristics_title {
    height: 24px;
    line-height: 24px;
    font-size: 24px;
    color: #131415;
    font-weight: 400;
    letter-spacing: 1px;
}

.characteristics_list .main li .characteristics_msg {
    line-height: 20px;
    font-size: 14px;
    color: #888888;
    font-weight: 400;
    margin-top: 20px;
}

#function {
    width: 100vw;
    height: 580px;
    background: #F4F9F7;
}

#function .main ul {
    margin-top: 98px;
}

#function .main li .characteristics_img {
    width: 176px;
    height: 118px;
    margin-bottom: 18px;
}

#applicable {
    width: 100vw;
    height: 370px;
    background: #0CC676 url("../img/applicable_bg.png") no-repeat center bottom;
    background-size: 1341px 353px;
}

#applicable .main > .title {
    color: #ffffff;
}

#applicable .main ul {
    overflow: hidden;
    margin-top: 79px;
    display: flex;
    justify-content: space-around;
}

#applicable .main li {
    height: 58px;
    line-height: 58px;
    color: #ffffff;
    font-size: 24px;
}

#applicable .main li > img {
    display: inline-block;
    width: 58px;
    height: 58px;
    margin-right: 6px;
    vertical-align: top;
}

#beex {
    width: 100vw;
    height: 733px;
    background: #F4F9F7;
    text-align: center;
}

#beex .main .beex_msg {
    width: 1113px;
    margin: 50px auto 0;
    font-size: 18px;
    line-height: 36px;
    color: #131415;
}

#beex .main ul {
    overflow: hidden;
    margin-top: 90px;
}

#beex .main li {
    float: left;
    margin-left: 27px;
    width: 280px;
    height: 306px;
    background: url("../img/beex_li_bg.png") no-repeat center bottom;
    background-size: 280px 30px;
}

#beex .main li:first-child {
    margin: 0;
}

#beex .main li:nth-child(3) {
    margin-left: 26px;
}

#beex .main li > .li_content {
    box-sizing: border-box;
    width: 280px;
    height: 276px;
    background: #ffffff;
    border-top: 4px solid #DDE7E3;
    padding-top: 16px;
}

#beex .main li .characteristics_img {
    width: 82px;
    height: 82px;
    margin: 0 auto 20px;
}

#beex .main li .characteristics_title {
    height: 24px;
    line-height: 24px;
    font-size: 24px;
    color: #131415;
    font-weight: 400;
    letter-spacing: 1px;
}

#beex .main li .characteristics_msg {
    width: 214px;
    margin: 20px auto 0;
    line-height: 20px;
    font-size: 14px;
    color: #888888;
    font-weight: 400;
}

#app {
    width: 100vw;
    height: 370px;
    text-align: center;
}

#app .main ul {
    overflow: hidden;
    margin-top: 74px;
    text-align: center;
    font-size: 0;
}

#app .main li {
    display: inline-block;
    width: 181px;
    height: 70px;
    margin-left: 20px;
}

#app .main li:first-child {
    margin: 0;
}

#app .main li > a {
    display: block;
    width: 181px;
    height: 70px;
    background: #DDF3EA;
    border-radius: 70px;
    font-size: 18px;
    line-height: 70px;
    color: #131415;
}

#app .main li > a > img {
    display: inline-block;
    width: 34px;
    height: 34px;
    vertical-align: top;
    margin: 17px 7px 0 0;
}

footer {
    width: 100vw;
    background: #000000;
    color: #ffffff;
    text-align: center;
}

footer .main .contact {
    width: 1002px;
    height: 24px;
    margin: 0 auto 83px;
    padding-top: 88px;
    font-size: 24px;
    line-height: 24px;
    font-weight: 400;
    letter-spacing: 1px;
}

footer .main .contact > p {
    width: 464px;
    font-size: 20px;
}

footer .main .contact > p > a {
    color: #ffffff;
}

footer .main > p {
    padding-bottom: 80px;
    font-size: 14px;
    line-height: 14px;
    font-weight: 400;
}