.history-box .body-box {
    width: 1300px;
    margin: 0px auto;
}

.history-box .timer-shaft-box {
    width: 100%;
    padding: 0px;
    box-sizing: border-box;
}

.history-box .timer-shaft {
    position: relative;
    width: 100%;
    height: 80px;
    overflow: hidden;
}

.history-box .timer-left {
    position: absolute;
    top: 50%;
    left: 20px;
    z-index: 99;
    width: 23px;
    height: 37px;
    margin-top: -18.5px;

    background-size: cover;
    cursor: pointer;
    display: none;
}

.history-box .timer-right {
    position: absolute;
    top: 50%;
    right: 20px;
    z-index: 99;
    width: 23px;
    height: 37px;
    margin-top: -18.5px;
    
    background-size: cover;
    cursor: pointer;
    display: none;
}

.history-box .timer-scale {
    position: absolute;
    top: 0;
    left: 0;
    height: 80px;
    padding-left: 80px;
    font-size: 0;
    white-space: nowrap;
}

.history-box .timer-scale-cont {
    display: inline-block;
    height: 100%;
    line-height: 80px;
}

.history-box .time-circle {
    display: inline-block;
    vertical-align: middle;
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    border-radius: 50%;
    background: #c5c5c5;
    transition: all .3s;
    cursor: pointer;
}

.history-box .timer-scale-cont.hov .n1 {
    width: 80px;
    height: 80px;
    line-height: 80px;
    font-size: 20px;
    background: #ebb146;
}

.history-box .timer-scale-cont.hov .n2 {
    width: 80px;
    height: 80px;
    line-height: 80px;
    font-size: 20px;
    background: #dc8b6e;
}

.history-box .timer-scale-cont.hov .n3 {
    width: 80px;
    height: 80px;
    line-height: 80px;
    font-size: 20px;
    background: #4789d7;
}

.history-box .timer-scale-cont.hov .n4 {
    width: 80px;
    height: 80px;
    line-height: 80px;
    font-size: 20px;
    background: #08b4b8;
}

.history-box .line-scale {
    display: inline-block;
    vertical-align: middle;
    width: 150px;
    height: 22px;
    margin: 0 2px;

    background-size: cover;
}

.history-box .timer-shaft-content {
    width: 100%;
    margin-top: 45px;
    overflow: hidden;
    font-size: 0;
    box-sizing: border-box;
    white-space: nowrap;
    height: 600px;
    margin-bottom: 5%;
    overflow-y: scroll;
    padding-right: 30px;
}

.history-box .shaft-detail-cont {
    display: none;
    width: 100%;
}

.history-box .shaft-detail-cont:nth-child(1) .month-detail-box:before {
    border-right: 1px dashed #ebb146;
}

.history-box .shaft-detail-cont:nth-child(2) .month-detail-box:before {
    border-right: 1px dashed #dc8b6e;
}

.history-box .shaft-detail-cont:nth-child(3) .month-detail-box:before {
    border-right: 1px dashed #4789d7;
}

.history-box .shaft-detail-cont:nth-child(4) .month-detail-box:before {
    border-right: 1px dashed #08b4b8;
}



.history-box .timer-year {
    padding-left: 100px;
    font-weight: bold;
    color: #313131;
    font-size: 0;
}

.history-box .icon-year {
    display: inline-block;
    vertical-align: middle;
    width: 33px;
    height: 40px;

    background-size: cover;
}

.history-box .timer-year span {
    display: inline-block;
    vertical-align: middle;
    margin-left: 18px;
    font-size: 24px;
}

.history-box .month-detail-box {
    position: relative;
    width: 100%;
    min-height: 70px;
    padding-top: 30px;
    font-size: 0;
    box-sizing: border-box;
    white-space: normal;
}

.history-box .month-detail-box:before {
    content: '';
    position: absolute;
    top: 0;
    left: 116px;
    height: 100%;
    border-right: 1px dashed #ff8d3d;
}

.history-box .month-detail-box .month-title {
    position: absolute;
    font-size: 16px;
    font-weight: bold;
    padding-left: 32px;
    color: #404040;
}

.history-box .month-detail-box .month-title:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 110px;
    width: 13px;
    height: 13px;
    margin-top: -6.5px;
   
    background-size: cover;
}

.history-box .incident-record {
    display: inline-block;
    padding-left: 150px;
    line-height: 2;
    font-size: 14px;
    color: #2d2d2d;
    width: 100%;
}

.history-box .incident-record a {
    font-size: 14px;
    color: #1d69a3;
}

.history-box .timer-shaft-content::-webkit-scrollbar-thumb {
    border-radius: 5px;
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
    background: #bc9243;
}

.history-box .timer-shaft-content::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
    border-radius: 0;
    background: #fff;
}

.history-box .timer-shaft-content::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

 @media only screen and (max-width: 768px) {
  #box4 {
        font-size:1.7rem !important;
    }

  .history-box   .about_tit_a2 {
        font-size: 60px !important;
    }

  .history-box   .about_title:before {
        display: none !important;
    }

   .history-box  .aa1 {
        margin-top: 28px !important;
    }

   .history-box  .a3 {
        width: 100% !important;
        font-size: 26px !important;
        line-height: 24px;
        margin-top: 10px !important;
    }

   .history-box  .a3 span {
        font-size: 14px !important;
    }

  .history-box   .about_title {
        margin-top: 40px !important;
        display: none;
    }

   .history-box  .a4 span {
        font-size: 15px !important;
        line-height: 1.5 !important;
        font-weight: bold !important;
    }

   .history-box  .a4 {
        font-size: 0 !important;
    }

   .history-box  .a_box a:after {
        display: none !important;
    }

  .history-box   .a_box a {
        width: 33% !important;
        text-align: center !important;
        margin-left: 0 !important;
        background: #f1f1f1 !important;
        line-height: 40px !important;
        font-weight: bold !important;
        padding-bottom: 0 !important;
        font-size: 15px !important;
    }

  .history-box   .a_box {
        background: #f1f1f1 !important;
        float: left !important;
        width: 100% !important;
    }

   .history-box  .line {
        display: none !important;
    }

  .history-box   .wb {
        padding: 0px !important;
    }

  .history-box   .num_box .number {
        font-size: 26px !important;
        margin-right: 0 !important;
    }

  .history-box   .num_box .text {
        font-size: 15px !important;
    }

 .history-box    .num_box {
        margin-bottom: 5px !important;
    }

  .history-box   .info_box {
        font-size: 14px !important;
    }

 .history-box    .picwrap ul {
        padding-top: 25px !important;
        padding-bottom: 25px !important;
    }

  .history-box   .picwrap li {
        width: 30% !important;
    }

 .history-box    .picwrap li:nth-child(3) {
        width: 40% !important;
    }

 .history-box    .body-box {
        width: 100% !important;
    }

  .history-box   .timer-shaft-content {
        height: auto !important;
        overflow-y: hidden !important;
        padding-right: 30px !important;
    }

  .history-box   .timer-scale {
        padding-left: 10px !important;
    }

 .history-box    .line-scale {
        width: 26px !important;
    }

   .history-box  .bs-box1 {
        display: block !important;
    }

    .history-box  .bs-box {
        display: none;
    }

  }