* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: "Microsoft YaHei"
}

img {
    width: 100%
}

.flex {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex
}

.container {
    max-width: 1440px;
    margin: 0 auto
}

.padding {
    padding: 0 10%
}

.bold {
    font-weight: 700
}

.tip_p {
    font-size: 18px;
    line-height: 40px;
    color: #7f7f7f
}

.flex-between {
    justify-content: space-between;
    align-items: flex-end
}

.nav_img {
    width: 100px;
    transition: all .9s ease-in
}

.stone_head {
    width: 100%;
    height: 450px;
    padding: 50px 10% 120px;
    color: #fff;
    transition: all .3s
}

.stone_head_box {
    width: 100%;
    background: url(../img/skin_header1.png) no-repeat;
    background-size: cover
}

.head_nav {
    opacity: 1;
    line-height: 70px;
    height: 70px;
    float: right
}

.head_nav a {
    color: #fff;
    font-size: 16px;
    height: 70px;
    line-height: 70px;
    display: inline-block;
    margin-left: 30px
}

.head_nav a:hover {
    transform: scale(1.1);
    transition: all .3s
}

.head_tip {
    text-align: center;
    position: absolute;
    right: 200px;
    text-align: center;
    margin-top: 200px;
    transition: all .9s ease-in
}

.head_tip .china_t {
    font-size: 40px;
    line-height: 50px;
    transition: all .9s ease-in
}

.head_tip .en-t {
    font-size: 20px;
    line-height: 40px;
    transition: all .9s ease-in
}

.nav_box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    height: 70px
}

.navbar-default {
    background-color: transparent;
    transition: all .3s
}

.group {
    padding-top: 50px;
    padding-bottom: 50px;
    transition: all .5s ease-in;
    align-items: center
}

.stone_content,
.stone_footer,
.stone_head {
    max-width: 1440px;
    margin: 0 auto
}

.stone_content .join_container {
    text-align: center;
    height: 250px
}

.stone_content .join_container .join_button {
    width: 360px;
    height: 60px;
    color: #fff;
    font-weight: 700;
    line-height: 60px;
    background: #3cabba;
    display: inline-block;
    font-size: 30px;
    margin-bottom: 15px
}

.stone_content .join_container .join_text {
    font-size: 21px
}

.group .explain {
    color: #7f7f7f
}

.group .title {
    font-size: 22px;
    color: #595959;
    margin-bottom: 30px
}

.group>div {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    justify-content: space-between;
    transition: all .5s ease-in
}

.content_footer {
    margin-bottom: 40px
}

.stone_footer {
    font-size: 18px;
    line-height: 40px;
    padding-top: 40px;
    padding-bottom: 40px;
    width: 100%;
    color: #fff
}

.stone_footer_box {
    background-color: #8ed9ff;
    width: 100%
}

.stone_footer .title {
    font-size: 22px;
    font-weight: 700
}

.stone_footer_tip {
    text-align: center;
    margin: 10px auto;
    width: 80%
}

.menu_icon {
    display: none
}

.head_nav2 {
    display: none
}

.head_nav2 a {
    display: block;
    text-align: center
}

.solution_title_box {
    margin-bottom: 100px
}

.nav_img2 {
    display: none
}

.nav_box_white {
    background-color: #fff;
    height: 70px;
    border-bottom: 1px solid #eee
}

.nav_box_white .head_nav a {
    color: #595959
}

body {
    background-color: #fff
}

.code_box {
    width: 115px;
    position: relative;
    top: 8px;
    font-size: 15px;
    text-align: center
}

.email_icon {
    background: url(../img/icon/email.png) no-repeat
}

.tel_icon {
    background: url(../img/icon/tel.png) no-repeat
}

.phone_icon {
    background: url(../img/icon/phone.png) no-repeat
}

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

.nav_img1,
.nav_img2 {
    width: 50px;
    height: 58px
}

.store_icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-size: cover
}

.email_footer {
    padding-left: 53px
}

@media (max-width:1024px) {
    .group {
        align-items: center;
        flex-direction: column;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        padding-bottom: 0
    }

    .group>div:nth-of-type(1) {
        margin-bottom: 50px
    }

    .head_tip {
        position: absolute;
        right: 50px
    }

    .head_tip .china_t {
        font-size: 24px;
        line-height: 30px
    }

    .head_tip .en-t {
        font-size: 16px;
        line-height: 40px
    }

    .stone_footer .title {
        font-size: 22px
    }

    .stone_footer {
        font-size: 18px
    }
}

@media (max-width:768px) {
    .code_box {
        width: 80px
    }

    .nav_img1 {
        display: none
    }

    .nav_box {
        height: 50px
    }

    .head_box {
        height: 50px
    }

    .nav_img2 {
        display: inline-block
    }

    .navbar-default {
        background-color: #fff;
        transition: all .3s;
        border-bottom: 1px solid #eee
    }

    .menu_icon {
        width: 30px;
        height: 25px;
        border-top: 5px solid #7f7f7f;
        border-bottom: 5px solid#7f7f7f;
        background-color: #7f7f7f;
        padding: 5px 0;
        background-clip: content-box;
        display: inline-block;
        z-index: 10
    }

    .stone_head {
        padding: 30px 10px;
        height: 300px;
        position: relative;
        transition: all .3s
    }

    .group {
        padding-top: 20px;
        padding-bottom: 0
    }

    .group .img_box {
        width: 150px
    }

    .group .title {
        font-size: 18px;
        margin: 20px 0
    }

    .tip_p {
        font-size: 15px;
        line-height: 30px;
        color: #7f7f7f
    }

    .padding {
        padding: 0 15px
    }

    .head_nav {
        display: none
    }

    .head_nav2 {
        flex-direction: column;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        width: 100%;
        height: auto;
        position: fixed;
        display: none;
        left: 0;
        top: 50px;
        background: rgba(0, 0, 0, .5);
        z-index: 1000;
        border: 1px solid #eee;
        padding: 24px 0
    }

    .head_nav2 a {
        font-size: 18px;
        height: 50px;
        line-height: 50px;
        border: none
    }

    .nav_img {
        width: 100px
    }

    .head_tip {
        margin-top: 120px
    }

    .head_tip .china_t {
        font-size: 16px;
        line-height: 20px
    }

    .head_tip .en-t {
        font-size: 12px;
        line-height: 14px
    }

    .nav_img1,
    .nav_img2 {
        width: 35px;
        height: 35px
    }

    .stone_footer {
        font-size: 15px;
        line-height: 30px;
        padding-top: 20px;
        padding-bottom: 20px
    }

    .stone_footer_tip {
        font-size: 12px
    }

    .stone_footer .title {
        font-size: 18px
    }

    .email_footer {
        padding-left: 45px
    }
}

.nav_title {
    width: 69px;
    height: 58px;
    color: #595959;
}
.nav_title .mark{
    color: #6cf
}