.brief-tip{border-bottom:2px dotted #007aff;cursor:help;position:relative;color:#007aff;font-weight:bold}.brief-tip::after{content:' ⓘ';font-size:12px;color:#007aff;margin-left:4px;vertical-align:super;display:inline-block}.brief-tip:hover::after{content:attr(data-tip);position:absolute;bottom:130%;left:50%;transform:translateX(-50%);background:#333333;color:#ffffff;padding:10px 15px;border-radius:6px;font-size:14px;line-height:1.4;width:240px;z-index:9999;text-align:center;box-shadow:0px 4px 10px rgba(0,0,0,0.2);margin:0;vertical-align:normal}.brief-tip:hover::before{content:'';position:absolute;bottom:110%;left:50%;transform:translateX(-50%);border:8px solid transparent;border-top-color:#333333}.single-post #left-area{font-size:0!important}.single-post #left-area>*{font-size:initial!important}#main-content{margin-top:120px!important}#left-area{padding-top:20px!important}#sidebar{padding-top:20px!important}#main-content .container::before{top:20px!important}