.protocol_bg{background: #f4f4f4;}
.protocol_middle{width: 1200px; margin: 0 auto; padding-top: 30px; overflow: hidden; margin-bottom: 120px;}
.protocol_left{width: 224px; background: #fff; float: left;padding-left:24px;box-sizing: border-box;}
.protocol_left li{ height: 100px; display: flex; align-items: center; position: relative;border-bottom: 1px solid #e8e8e8;margin-right:24px;width: 176px;}
.protocol_left li:nth-child(5){margin-right:0;}
.protocol_left li a{font-size: 16px; color: #333; line-height: 100px;  float: left; cursor: pointer;box-sizing: border-box;white-space: nowrap;}
.protocol_left li a.line {line-height: 24px;padding: 16px 0;text-align: center;}
.protocol_left li:last-child a{border-bottom: 0;}
.protocol_left li.on:before{content: ''; position: absolute; left: -24px; width: 4px; height: 24px; top: 28px; margin-top: 14px; background: #f83244;}
.protocol_left li:last-child { border: 0; }
.protocol_left li.on a, .protocol_left li:hover a{color: #f83244;}
.protocol_left .center { width: 100%; text-align: center; }
.protocol_right{width: 936px; background: #fff; float: right;}
.protocol_right.wd100{width: 100%;}
.protocol_right.wd100 .protocol_brand {width: 100%;}
.protocol_brand{width: 936px; min-height: 500px;padding: 40px;box-sizing: border-box;}
.protocol_title{font-size: 24px; font-weight: bold; line-height: 24px;font-family:'Microsoft YaHei'}
.protocol_desc {color: #333;font-size: 14px;line-height: 26px;}
.protocol_text_right {text-align: right;font-size: 14px;color: #333;line-height: 26px;}
.protocol_date{font-size: 16px;color: #333;margin-top: 10px;line-height: 24px;font-family:'Microsoft YaHei'}
.font16{display: block; font-size: 16px; font-weight: bold; color: #333; margin-top: 40px; margin-bottom: 6px;}
.font24{font-size: 24px; font-weight: bold; color: #333; line-height: 30px;}
.protocol_item_title{font-size: 16px;font-weight: bold;color: #000;line-height: 18px;margin: 30px 0 16px;font-family:'Microsoft YaHei'}
.protocol_content_item{font-size: 14px;color: #333;line-height: 24px;margin-bottom: 12px;font-family:'Microsoft YaHei'}
.protocol_content_item__p{font-size: 14px;color: #333;line-height: 24px;margin-bottom: 12px;font-family:'Microsoft YaHei';padding-left:28px;}
.protocol_brand strong{font-weight: bold;font-family: 'MicrosoftYaHei-Bold' }
.protocol_attachment{margin-top: 26px;}
.protocol_attachment a {color: #13ACEC; cursor: pointer;}
.protocol_attachment a:hover{text-decoration: underline}
.mt30{margin-top: 30px;}
.pdl30{padding-left: 28px;}
.protocol_mail{color: #13ACEC;}
.signature{text-align: right; display: block;margin-top: 6px;}