@charset "utf-8";
*{
    margin: 0;
    padding: 0;
}



/* i m QQ每一天开始 */
.content {
    width: 100%;
    height: 320px;
    background: url(../img/brand.png) no-repeat;
    background-size: cover;
}
/* i m QQ每一天结束 */

/* 背景定位one开始 */
.back-one {
    width: 100%;
    height: 600px;
    background: url(../img/fisrtbg.jpg) no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
/* 背景定位one结束 */

/* 第一个手机沟通 声音开始 */
.sound {
    height: 480px;
}
.sound .sound-body {
    width: 1200px;
    margin: 0 auto;
    background: red;
}
/* 左侧背景图片开始 */
.sound-body .bck-let {
    width: 664px;
    height: 630px;
    float: left;
    background: url(../img/pic1.png) no-repeat 0 0;
    background-size: cover;
    background-position: 130px 0;
    margin-top: -150px;
}
/* 左侧背景图片结束 */
/* 右面的开始 */
.sound-body .bck-rgt {
    width: 487px;
    float: left;
}
/* 大字图片开始 */
.sound-body .bck-rgt>h2 {
    width: 487px;
    height: 135px;
    background: url(../img/gt.png) no-repeat;
    margin-top: 120px;
}
/* 大字图片结束 */
/* 下面的换行文字开始 */
.sound-body .bck-rgt>p {
    float: right;
    font-size: 18px;
    color: #666;
    letter-spacing: 2px;
}
/* 下面的换行文字结束 */
/* 超链接a标签开始 */
.sound-body .bck-rgt>a{
    float: right;
    padding-top: 15px;
    color: #12b7f5;
    text-decoration: none;
    width: 100%;
    text-align: right;
}
/* 超链接a标签结束 */
/* ul三个图标开始 */
.sound-body .bck-rgt>ul {
    float: right;
    padding-top: 20px;
}
.sound-body .bck-rgt>ul>li:nth-child(1) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qcall_figs.png) no-repeat;
    background-position: 45px 0;
    font-size: 14px;
    color: #666;
}
.sound-body .bck-rgt>ul>li:nth-child(2) {
    width: 110px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qcall_figs.png) no-repeat;
    background-position:-105px 0;
    font-size: 14px;
    color: #666;
    border-left: 1px solid #f2f2f2;
    border-right: 1px solid #f2f2f2;
}
.sound-body .bck-rgt>ul>li:nth-child(3) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qcall_figs.png) no-repeat;
    background-position: -204px 0;
    font-size: 14px;
    color: #666;
}
/* ul三个图标结束 */
/* 右面的结束 */
/* 第一个手机沟通 声音结束 */

/* 背景定位two开始 */
.back-two {
    width: 100%;
    height: 600px;
    background: url(../img/avd.jpg) no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
/* 背景定位two结束 */











































/* 第二个手机沟通 声音开始 */
.receive {
    height: 480px;
}
.receive .receive-body {
    width: 1200px;
    margin: 0 auto;
    background: red;
}
/* 左面的开始 */
.receive-body .bck-rgt {
    width: 487px;
    float: left;
}
/* 大字图片开始 */
.receive-body .bck-rgt>h2 {
    width: 487px;
    height: 135px;
    background: url(../img/sf.png) no-repeat;
    margin-top: 120px;
    float: left;
    margin-left: 85px;
}
/* 大字图片结束 */
/* 下面的换行文字开始 */
.receive-body .bck-rgt>p {
    float: right;
    font-size: 18px;
    color: #666;
    letter-spacing: 2px;
}
/* 下面的换行文字结束 */
/* 超链接a标签开始 */
.receive-body .bck-rgt>a{
    float: right;
    padding-top: 15px;
    color: #12b7f5;
    text-decoration: none;
    width: 100%;
    text-align: right;
}
/* 超链接a标签结束 */
/* ul三个图标开始 */
.receive-body .bck-rgt>ul {
    float: right;
    padding-top: 20px;
}
.receive-body .bck-rgt>ul>li:nth-child(1) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qfile_figs.png) no-repeat;
    background-position: 35px 0;
    font-size: 14px;
    color: #666;
}
.receive-body .bck-rgt>ul>li:nth-child(2) {
    width: 110px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qfile_figs.png) no-repeat;
    background-position:-95px 0;
    font-size: 14px;
    color: #666;
    border-left: 1px solid #f2f2f2;
    border-right: 1px solid #f2f2f2;
}
.receive-body .bck-rgt>ul>li:nth-child(3) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qfile_figs.png) no-repeat;
    background-position: -190px 0;
    font-size: 14px;
    color: #666;
}
/* ul三个图标结束 */
/* 左面的结束 */
/* 右侧背景图片开始 */
.receive-body .bck-let {
    width: 597px;
    height: 330px;
    float: left;
    background: url(../img/pic2.png) no-repeat 0 0;
    background-size: cover;
    margin-top: 130px;
    margin-left: 70px;
}
/* 右侧背景图片结束 */
/* 第二个手机沟通 声音结束 */




/* 背景定位san开始 */
.back-san {
    width: 100%;
    height: 600px;
    background: url(../img/blog.jpg) no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
/* 背景定位san结束 */















/* 第三个手机沟通 声音开始 */
.youth {
    height: 530px;
}
.youth .youth-body {
    width: 1200px;
    margin: 0 auto;
}
/* 左侧背景图片开始 */
.youth-body .bck-let {
    width: 400px;
    height: 500px;
    float: left;
    background: url(../img/pic3.png) no-repeat 0 0;
    background-size: 344px 506px;
    margin-left: 150px;
    margin-top: 30px;
}
.youth-body .bck-let ul {
    float: left;
    width: 600px;
    margin-left: -100px;
    padding-top:230px;
}
.youth-body .bck-let ul li:nth-child(1) {
    float: left;
    background: url(../img/qblog_fig1.png) no-repeat;
    height: 150px;
    width: 150px;
    margin: 0 15px;
}
.youth-body .bck-let ul li:nth-child(2) {
    float: left;
    background: url(../img/qblog_fig2.png) no-repeat;
    height: 150px;
    width: 150px;
    margin: 0 15px;
}
.youth-body .bck-let ul li:nth-child(3) {
    float: left;
    background: url(../img/qblog_fig3.png) no-repeat;
    height: 150px;
    width: 150px;
    margin: 0 15px;
}
/* 左侧背景图片结束 */
/* 右面的开始 */
.youth-body .bck-rgt {
    width: 487px;
    float: left;
}
/* 大字图片开始 */
.youth-body .bck-rgt>h2 {
    width: 487px;
    height: 135px;
    background: url(../img/qblog_txt.png) no-repeat;
    margin-top: 120px;
}
/* 大字图片结束 */
/* 下面的换行文字开始 */
.youth-body .bck-rgt>p {
    float: right;
    font-size: 18px;
    color: #666;
    letter-spacing: 2px;
}
/* 下面的换行文字结束 */
/* 超链接a标签开始 */
.youth-body .bck-rgt>a{
    float: right;
    padding-top: 15px;
    color: #12b7f5;
    text-decoration: none;
    width: 100%;
    text-align: right;
}
/* 超链接a标签结束 */
/* ul三个图标开始 */
.youth-body .bck-rgt>ul {
    float: right;
    padding-top: 20px;
}
.youth-body .bck-rgt>ul>li:nth-child(1) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qblog_figs.png) no-repeat;
    background-position: 45px 0;
    font-size: 14px;
    color: #666;
}
.youth-body .bck-rgt>ul>li:nth-child(2) {
    width: 110px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qblog_figs.png) no-repeat;
    background-position:-75px 0;
    font-size: 14px;
    color: #666;
    border-left: 1px solid #f2f2f2;
    border-right: 1px solid #f2f2f2;
}
.youth-body .bck-rgt>ul>li:nth-child(3) {
    width: 130px;
    height: 80px;
    float: left;
    line-height: 120px;
    text-align: center;
    background: url(../img/qblog_figs.png) no-repeat;
    background-position: -175px 0;
    font-size: 14px;
    color: #666;
}
/* ul三个图标结束 */
/* 右面的结束 */
/* 第三手机沟通 声音结束 */