移动端base样式文件的一些基本设置

如设计稿为750px，以375px来量宽，量取设计稿像素100px的话，100/2/16=3.125rem

* {
    margin: 0;
    padding: 0;
    font-family: 'Heiti SC', 'Microsoft YaHei';
}
html {
    height: 100%;
    width: 100%;
    font-family: 'Heiti SC', 'Microsoft YaHei';
    font-size: 16px;
    outline: 0;
    -webkit-text-size-adjust:none;
}
body {
    height: 100%;
    -webkit-user-select: none;
    background-color: #ececec;
}
a,body,button,dd,div,dl,dt,fieldset,form,h1,h2,h3,h4,h5,h6,html,img,input,li,ol,p,span,td,textarea,th,ul {
    margin: 0;
    padding: 0;
}
img {
    width: 100%;
    height: 100%;
    vertical-align: middle;
}
button,input,textarea,select {
    outline: none;
}
button { border: none; }
dd,dl,dt,li,ol,ul {
    border: 0;
    list-style: none;
}
h1,h2,h3,h4,h5,h6 {
    font-weight: normal;
}
b,em {
    font-style: normal;
}
a {
    color: #333;
    text-decoration: none;
}
input { font-size: 0.875rem;}
.clearfix:before, .clearfix:after{
  display: table;
  content: "";
}
.clearfix:after{
  clear: both;
}

.fl { float: left; }
.fr { float: right; }

.hide { display: none!important; }
.show { display: block!important; }

/*top begin*/
#top {
    position:fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    height: 44px;
    line-height: 44px;
    background-color: #f10215;
    color: #fff;
    font-size: 1.125rem;
    text-align: center;    
    box-sizing: border-box;    
    z-index: 20;
    overflow: hidden;
}
.topTitle {
    position: relative;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    width: 100%;
    height: 44px;
    box-sizing: border-box;
}
.leftPic,.rightPic {
    position: absolute;
    top: 0;
}
.leftPic {
    width: 35px;
    left: 0;
    z-index: 2000; 
}
.rightPic {
    width: 49px;
    right: 0; 
}
.goBack,.userIcon,.closeBtn {
    width: 24px;
    height: 24px;
    display: inline-block;
    background: url(../images/tow_icon.png) no-repeat;
    background-size: 250px 250px;
    position: relative;
}
.goBack {    
    background-position: -6px -8px;    
    top: 8px;      
}
.userIcon {
    background-position: -6px -42px;
    top: 4px;  
}
.closeBtn {
    width: 14px!important;
    height: 14px!important;
    background-position: -233px -151px;    
    top: 0;
}
.finish {
    font-size: 1rem;
    color: #fff;   
}

/*footer begin*/
#footer {
    width: 100%;
    height: 50px;
    background-color: #fff;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    border-top: 1px solid #ddd;
}
#footer ul {
    width: 100%;
    height: 100%;
}
#footer ul li {
    float: left;
    height: 100%;
    width: 33.33333%;
    text-align: center;
}
#footer ul li.active a {
    color: #f10215;
}
#footer ul li a {
    padding-top: 6px;
    height: 100%;
    display: block;
    font-size: 0.6875rem;
}
#footer ul li span {
    display: block;
    width: 35px;
    height: 22px;
    margin: 0 auto;
    background: url(../images/tow_icon.png) no-repeat;
    background-size: 250px 250px;
}
#footer ul li span.icon-home { background-position: -30px -42px; }
#footer ul li span.icon-tool { background-position: -65px -42px; }
#footer ul li span.icon-mine { background-position: -100px -42px; }
#footer ul li.active .icon-home { background-position: -135px -42px; }
#footer ul li.active .icon-tool { background-position: -170px -42px; }
#footer ul li.active .icon-mine { background-position: -205px -42px; }

#contentWrapper {
    width: 100%;
    height: 100%;
    padding-top: 44px;
    box-sizing: border-box;
}
.banner-wrap {
    width: 100%; 
}
.margin-top-8 {
    margin-top: 0.25rem;
}
.btn {
    border: none;
    font-size: 0.75rem;
    padding: 0.375rem;
    background-color: transparent;
    border-radius: 6px;
}
.btn-default {
    border: 1px solid #ccc;
    color: #484848;
}
.btn-danger,.btn-botder-big {
    border: 1px solid #f10215;
    color: #f10215;
}
.btn-big {
    background-color: #f23030;
    color: #fff;
}
.btn-normal {
    background-color: #78a2d9;
    color: #fff;
}
.btnBigger {
    font-size: 1rem;
    color: #fff;
    width: 7.5rem;
    height: 2.75rem;
}
.btn-botder-big {
    font-size: 1rem;
    border-radius: 20px;
    width: 7.5rem;
    height: 2.75rem;
}

/*弹框 begin*/
.layout {
    position: absolute; 
    z-index:2;
    top:0; 
    left:0; 
    width:100%; 
    height:100%; 
    background-color: rgba(0,0,0,0.7);
    position:fixed!important;
    _top: expression_r(eval_r(document.compatMode &&
          document.compatMode=='CSS1Compat') ?
          documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :
          document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2);
}
.layout-wrapper {
    background-color: #fff;
    position: fixed;
    z-index: 3;
    left: 50%;
    top: 50%;   
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}
.hint-wrap {
    width: 286px;
    height: 190px;
    color: #585858;
    text-align: center;
    margin-left: -143px;
    margin-top: -95px;
}
.hint-title {
    font-size: 1.125rem;
    color: #e02222;
    line-height: 2.5rem;
    padding: 0 0.9375rem;
    text-align: left;
    border-bottom: 3px solid #e02222;
}
.hint-txt {
    width: 100%;
    display: table;
    height: 6.625rem;
}
.hint-txt p {
    font-size: 0.875rem;
    vertical-align: middle;
    display: table-cell;
}
.btn-box {
    width: 100%;
    border-top: 1px solid #ddd;
    position: absolute;
    bottom: 0;
}
.btn-box button {
    width: 50%;
    text-align: center;
    font-size: 1rem;
    color: #666;
    line-height: 2.5rem;
    background-color: #fff;
    border-right: 1px solid #ddd;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
    border-radius: 4px;
}
.btn-box button:last-child {
    border-right: none;
}
.wper100 { width: 100%!important; }

/*loading begin*/
.loading-wrap {
    width: 184px;
    height: 64px;
    margin-left: -92px;
    margin-top: -32px;
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 10000;     
    border-radius: 6px;
    background-color: #fff;
    display: -none;
}
.loading-txt {
    width: 100%;
    text-align: center;
}
.loading-txt span {
    font-size: 14px;
    color: #27a9e3;
    padding-left: 38px;
    padding-top: 20px;
    display: inline-block;
}
@-webkit-keyframes loading-3 {
    50% {
        transform: scale(0.4);
        opacity: 0.3;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
} 
.loading-3 {
    position: relative;
    top: 28px;
    left: 36px;
}
.loading-3 i {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #1ea6e3;
    position: absolute;
}
.loading-3 i:nth-child(1) {
    top: 14px;
    left: 0;
    -webkit-animation: loading-3 1s ease 0s infinite;
}
.loading-3 i:nth-child(2) {
    top: 10px;
    left: 10px;
    -webkit-animation: loading-3 1s ease -0.12s infinite;
}
.loading-3 i:nth-child(3) {
    top: 0;
    left: 14px;
    -webkit-animation: loading-3 1s ease -0.24s infinite;
}
.loading-3 i:nth-child(4) {
    top: -10px;
    left: 10px;
    -webkit-animation: loading-3 1s ease -0.36s infinite;
}
.loading-3 i:nth-child(5) {
    top: -14px;
    left: 0;
    -webkit-animation: loading-3 1s ease -0.48s infinite;
}
.loading-3 i:nth-child(6) {
    top: -10px;
    left: -10px;
    -webkit-animation: loading-3 1s ease -0.6s infinite;
}
.loading-3 i:nth-child(7) {
    top: 0;
    left: -14px;
    -webkit-animation: loading-3 1s ease -0.72s infinite;
}
.loading-3 i:nth-child(8) {
    top: 10px;
    left: -10px;
    -webkit-animation: loading-3 1s ease -0.84s infinite;
}