.content{
    background-color: #fff !important;
    height: auto;
    padding-bottom: 50px;
}
.content .head-title {
    width: 100%;
    position: relative;
}

.head-title img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.head-title .title-content {
    display: block;
    position: relative;
    z-index: 1;
    width: 980px;
    font-family: PingFangSC-Semibold;
    font-size: 32px;
    color: #fff;
    letter-spacing: 0;
    line-height: 52px;
    padding: 44px 0;
    margin: 0 auto;
}

.content .protocol-inner {
    width: 980px;
    margin: 0 auto;
}

.protocol-inner .statement {
    padding-top: 18px;
    margin-bottom:  52px;
    font-family: PingFangSC-Regular;
    font-size: 12px;
    color: #4A4A4A;
    letter-spacing: 0;
    line-height: 18px;
}

.protocol-inner .protocol-content {
    width: 100%;
    list-style: none;
}

.protocol-inner ul {
    list-style: none;
}

.protocol-content .protocol-content-item{
    margin-bottom: 32px;
}

.protocol-content-item .protocol-title {
    font-family: PingFangSC-Semibold;
    font-size: 18px;
    color: #000000;
    letter-spacing: 0;
    text-align: justify;
    line-height: 18px;
    margin-bottom: 24px;
}

.protocol-content-item .protocol-concrete-content {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #000000;
    letter-spacing: 0;
    text-align: justify;
    line-height: 32px;
}
.protocol-content-item .protocol-concrete-content-last {
  padding-bottom: 62px;
}
.sub_bottom {background:url(../images/bt_bg.gif) no-repeat left top;text-align:center;line-height:29px;height:29px;width:95px;cursor: pointer;border:0 none;font-weight:bolder;font-size:14px;}
.supSubmit{
    text-align: right;
    position: fixed;
    bottom: 0;
    width: 100%;
    background: white;
    padding-bottom: 10px;
}