.body {
    width: 1240px;
    display: flex;
    /* justify-content: space-between; */
    margin: 30px auto;
    margin-top: 40px;
    border-top: 2px solid #BEBEBE;
    padding-top: 20px;
    height: auto;
}

.nav {
    width: 189px;
    display: flex;
    flex-direction: column;
    margin-right: 120px;
    /* align-items: center; */
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.18);
}

.nav-title {
    width: 188px;
    height: 71px;
    line-height: 71px;
    background-color: #1A6E3D;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: bold;
    font-size: 22px;
    color: #FAF9F9;
    font-style: normal;
    text-transform: none;
    border-left: 10px solid #D0E5DB;
}

.nav-list {
    width: 188px;
    padding: 0;
    margin: 0;
}

.nav-list li {
    width: 188px;
    line-height: 71px;
    list-style: none;
    position: relative;
    cursor: pointer;
    padding: 0;
}

.sub-title {
    display: block;
    width: 100%;
    height: 100%;
    color: #40795E;
    border-left: 10px solid #D0E5DB;
}

.sub-list {
    /* max-height: 0;
    opacity: 0; */
    overflow: hidden;
    margin: 0;
    background-color: #fff;
    display: none;
}

.nav-list li.clicked>.sub-list {
    display: block;
    /* max-height: 1000px;
    opacity: 1; */
}

.sub-list li {
    width: 187px;
    height: 70px;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 15px;
    color: #3B3B3B;
    text-align: center;
    font-style: normal;
    text-transform: none;
    line-height: 24px;
    border-left: 10px solid #EFEFEF;
}

.sub-list li a {
    display: block;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clicked {
    background-color: #F0F0F0;
}

.clicked .sub-title {
    background-color: #F0F0F0;
}

.li-clicked {
    background-color: #F9F9F9;
    border-left: 10px solid #fff !important;
}

.li-clicked a {
    color: #40795E;
}

.main {
    width: 852px;
    padding-bottom: 30px;
    background: #FFFFFF;
    box-shadow: 0px 3px 7px 1px rgba(0, 0, 0, 0.16);
    border-radius: 0px 0px 0px 0px;
}

.main-header {
    width: 852px;
    height: 57px;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 15px;
    color: #555555;
    line-height: 57px;
    text-align: left;
    font-style: normal;
    text-transform: none;
    border-bottom: 1px dashed #555;
}

.main-header span {
    padding-left: 21px;
}

.main-word {
    padding: 0 30px;
    text-align:start;
}

.main-word .main-title {
    width: 523px;
    height: 56px;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: bold;
    font-size: 22px;
    color: #000000;
    text-align: center;
    font-style: normal;
    text-transform: none;
    line-height: 1.5;
    margin: 15px auto;
}

.main-word .main-text {
    width: 781px;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    padding-bottom:30px;
    color: #000000;
    line-height: 24px;
    text-align: start;
    font-style: normal;
    text-transform: none;
}