* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.main_body_bg {
  position: fixed;
  top: 0;
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;

}
#canvas{
    position: fixed;
    top: 0;
    z-index: -3;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}
.shell {
    top: -5%;
    position: absolute;
    display: inline-block;
    width: 100%;
    background: rgba(43, 43, 43, 0.3);
}
.head {
    height: 16%;
    margin-left: 60px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.cover {
    position: absolute;
    top: 190px;
    left: 100px;
    width: 220px;
    z-index: 2;
    border-radius: 500px;
    border: 10px #fff solid;
    box-shadow: 0 5px 10px #00000065;
}

.data {
    padding: 190px 0 0 280px;
    text-shadow: 0 0 20px #000;
    margin-right: 60px;
}

.data .title1 {
    color: white;
    font-size: 50px;
    font: 900 50px '';
    margin-top: 30px;
    margin-bottom: 50px;
    position: relative;
}

.data .title1 span {
    position: absolute;
    top: 17px;
    margin-left: 12px;
    background: #ffe44c;
    border-radius: 5px;
    color: #000000;
    font-size: 14px;
    border-bottom: 2px solid #fff;
}

.data .title2 {
    color: #fff;
    font: 500 24px '';
    margin-bottom: 24px;
    border-bottom: 2px solid #fff;
}
.data .title3 {
    color: #fff;
    font: 500 20px '';
    margin-top: 60px;
}

.foot {
    line-height: 26px;
    color: #444;
    margin-right: 60px;
    padding-bottom: 60px;
    border-bottom: 2px solid #fff;
}

.tags {
    padding-left: 40px;
    margin-top: -130px;
    width: 250px;
    float: left;
    text-align: center;
}

.tag {
    background: rgb(149, 178, 255);
    color: #fff;
    border-radius: 10px;
    padding: 3px 8px;
    font-size: 14px;
    margin-right: 4px;
    line-height: 35px;
    cursor: pointer;
}

.tag:hover {
    background: #eee4ad;
    color: #444;
}
.mainText{
    margin-left: 60px;
    margin-right: 60px;
    color: #fff;
    font: 900 50px '';
    text-shadow: 0 0 20px #000;
    z-index: 3;
}
.mainText .title{
    font: 900 50px '';
    margin-bottom: 50px;
}
.mainText .mainbodyText{
    font: 500 24px '';
    line-height: 40px;
    padding-bottom: 60px;
    border-bottom: 2px solid #fff;
}


/* ========== 移动端适配 ========== */
@media (max-width: 768px) {
    body { display: block; }

    .shell {
        top: 0;
        position: relative;
        width: 100%;
        margin-top: 88px;
    }

    .head {
        height: auto;
        margin-left: 15px;
        margin-right: 15px;
        overflow: visible;
    }

    .cover {
        position: relative;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 120px;
        border: 6px #fff solid;
        display: block;
        margin-bottom: 20px;
    }

    .data {
        padding: 20px 15px 0 15px;
        margin-right: 0;
    }
    .data .title1 {
        font-size: 28px;
        margin-top: 10px;
        margin-bottom: 20px;
        text-align: center;
    }
    .data .title1 span {
        position: relative;
        top: 0;
        margin-left: 8px;
        display: inline-block;
        font-size: 12px;
    }
    .data .title2 {
        font-size: 14px;
        margin-bottom: 16px;
        word-break: break-all;
        line-height: 1.8;
    }
    .data .title3 {
        font-size: 14px;
        margin-top: 20px;
        line-height: 1.8;
    }

    .foot {
        margin-right: 0;
        padding-bottom: 30px;
        line-height: 22px;
    }

    .tags {
        padding-left: 15px;
        margin-top: 20px;
        width: 100%;
        float: none;
        text-align: center;
    }
    .tag {
        font-size: 12px;
        padding: 3px 8px;
        line-height: 30px;
        margin-bottom: 5px;
        display: inline-block;
    }

    .mainText {
        margin-left: 15px;
        margin-right: 15px;
    }
    .mainText .title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    .mainText .mainbodyText {
        font-size: 14px;
        line-height: 24px;
        padding-bottom: 30px;
        word-break: break-word;
    }
}

@media (max-width: 480px) {
    .shell { margin-top: 78px; }
    .cover { width: 100px; border: 4px #fff solid; }
    .data .title1 { font-size: 22px; }
    .data .title2 { font-size: 13px; }
    .data .title3 { font-size: 13px; }
    .mainText .title { font-size: 22px; }
    .mainText .mainbodyText { font-size: 13px; line-height: 22px; }
}