* {
    margin: 0;
    padding: 0;
}
body {
    background-color: #FFFFFF;
}
.container {
    width: 100%;
    height: auto;
}

.header {
    width: 100%;
    height: 65px;
    background-color: #346DFE;
}
.header-con {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.header-left {
    width: auto;
    height: 100%;
    line-height: 65px;
}
.header-left a {
    font-size: 28px;
    color: #FFFFFF;
    font-weight: bolder;
    text-decoration: none;
}
.header-space {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -moz-box-flex: 1;
    -moz-flex: 1;
    -ms-flex: 1;
    flex: 1;
    height: 100%;
}
.header-menu {
    width: auto;
    height: 100%;
    margin-left: 30px;
}
.header-menu a {
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 65px;
    font-size: 16px;
    color: #FFFFFF;
    text-decoration: none;
}

.intro {
    width: 100%;
    height: 150px;
    background-color: #346DFE;
}
.intro-con {
    width: 1200px;
    height: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    box-sizing: border-box;
    padding-top: 25px;
}
.intro-1 {
    width: 100%;
    height: 30px;
    line-height: 30px;
    font-size: 24px;
    color: #FFFFFF;
    font-weight: bolder;
}
.intro-2 {
    width: 100%;
    height: 25px;
    line-height: 25px;
    margin-top: 10px;
    font-size: 18px;
    color: #FFFFFF;
}
.intro-3 {
    width: 100%;
    height: 25px;
    line-height: 25px;
    margin-top: 10px;
    font-size: 18px;
    color: #FFFFFF;
}

.nav {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    width: 1200px;
    height: 55px;
    margin: 0 auto;
    border-bottom: #CCCCCC solid 1px;
}
.nav-one {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -moz-box-flex: 1;
    -moz-flex: 1;
    -ms-flex: 1;
    flex: 1;
    height: 100%;
}
.nav-one a {
    display: block;
    text-align: center;
    line-height: 55px;
    font-size: 16px;
    color: #666666;
    font-weight: bolder;
    text-decoration: none;
}

.problem-title {
    width: 1200px;
    height: 30px;
    margin: 0 auto;
    margin-top: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    color: #666666;
    font-weight: bolder;
}
.problem-con {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 1200px;
    height: 180px;
    margin: 0 auto;
    margin-top: 25px;
}
.problem-one {
    width: 260px;
    height: 100%;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
    border: #EEEEEE solid 1px;
    border-radius: 6px;
}
.problem-desc {
    width: 100%;
    height: 30px;
    margin-top: 25px;
    line-height: 30px;
    text-align: center;
    font-size: 18px;
    color: #666666;
    font-weight: bolder;
}
.problem-content {
    width: 100%;
    height: 110px;
    margin-top: 20px;
    text-align: center;
    font-size: 16px;
    color: #666666;
}
.function-title {
    width: 1200px;
    height: 30px;
    margin: 0 auto;
    margin-top: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    color: #666666;
    font-weight: bolder;
}
.function-con {
    width: 1200px;
    height: auto;
    margin: 0 auto;
    margin-top: 25px;
}
.function-line {
    width: 100%;
    height: 1px;
    background-color: #EEEEEE;
}
.function-one {
    width: 100%;
    height: 60px;
    border-bottom: #EEEEEE solid 1px;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 60px;
    font-size: 16px;
    color: #666666;
}

.advantage-title {
    width: 1200px;
    height: 30px;
    margin: 0 auto;
    margin-top: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    color: #666666;
    font-weight: bolder;
}
.advantage-con {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 1200px;
    height: 130px;
    margin: 0 auto;
    margin-top: 25px;
}
.advantage-one {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 260px;
    height: 100%;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
    border: #EEEEEE solid 1px;
    border-radius: 6px;
    font-size: 16px;
    color: #666666;
    text-align: center;
}

.custom-title {
    width: 1200px;
    height: 30px;
    margin: 0 auto;
    margin-top: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    color: #666666;
    font-weight: bolder;
}
.custom-con {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    width: 1200px;
    height: 60px;
    margin: 0 auto;
    margin-top: 25px;
}
.custom-one {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 260px;
    height: 100%;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
    border: #EEEEEE solid 1px;
    border-radius: 6px;
    font-size: 16px;
    color: #666666;
    text-align: center;
}

.footer {
    width: 100%;
    height: 150px;
    margin-top: 100px;
    background-color: #346DFE;
}
.footer-con {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    padding-top: 25px;
}
.footer-1 {
    width: 100%;
    height: 30px;
    text-align: center;
    line-height: 30px;
    font-size: 16px;
    color: #FFFFFF;
}
.footer-2 {
    width: 100%;
    height: 30px;
    margin-top: 5px;
    text-align: center;
    line-height: 30px;
    font-size: 16px;
    color: #FFFFFF;
}
.footer-3 {
    width: 100%;
    height: 30px;
    margin-top: 5px;
    text-align: center;
    line-height: 30px;
    font-size: 16px;
    color: #FFFFFF;
}