* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    /* font-family: 'microsoft yahei'; */
}

ul li {
    list-style: none;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

img {
    vertical-align: top;
    outline-width: 0ch;
}

@media only screen and (min-width: 996px) {
    /* 閫変腑鏍忕洰棰滆壊 */
    .selected_color {
        background-color: var(--main-color) !important;
        color: var(--main-color-white) !important;
    }
    .left_inside {
        max-width: 1550px;
        display: flex;
        flex-wrap: wrap;
        padding: 0 25px;
        justify-content: space-between;
        margin: 0 auto;
        padding-bottom: 30px;
    }
    .left_inside_left {
        width: 250px;
    }
    .left_inside_right {
        flex: 1;
        padding-left: 40px;
    }
    .left_inside_left strong {
        height: 60px;
        padding-left: 20px;
        background-color: var(--main-color);
        display: block;
        width: 100%;
        line-height: 60px;
        color: var(--main-color-white);
        font-weight: normal;
        font-size: 20px;
    }
    .left_inside_left ul li a {
        display: block;
        height: 40px;
        margin-top: 3px;
        line-height: 40px;
        padding-left: 20px;
        font-size: 14px;
        color: var(--main-color-fontColor);
        background-color: #eeeeee;
    }
    .left_inside_left ul li a:hover {
        background-color: var(--main-color);
        color: var(--main-color-white);
    }
    .left_inside_right_top {
        font-size: 24px;
        color: var(--main-color);
        position: relative;
        padding-bottom: 15px;
        border-bottom: 1px solid #ededed;
    }
    .left_inside_right_top::after {
        position: absolute;
        width: 90px;
        height: 2px;
        content: '';
        bottom: -1px;
        left: 0;
        background-color: var(--main-color);
    }
    .left_inside_right_con {
        padding: 20px 0;
    }
    .left_inside_right_con .title {
        display: none;
    }
}

@media only screen and (max-width: 996px) {
    /* 閫変腑鏍忕洰棰滆壊 */
    .selected_color {
        background-color: var(--main-color) !important;
        color: var(--main-color-white) !important;
    }
    .left_inside {
        width: 100%;
        padding: 30px 15px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin: 0 auto;
    }
    .left_inside_left {
        width: 100%;
        position: sticky;
        top: 60px;
        background-color: var(--main-color-white);
        z-index: 80;
    }
    .left_inside_right {
        width: 100%;
        margin-top: 30px;
    }
    .left_inside_left strong {
        height: 60px;
        padding-left: 20px;
        background-color: var(--main-color);
        display: block;
        width: 100%;
        line-height: 60px;
        color: var(--main-color-white);
        font-weight: normal;
        font-size: 20px;
    }
    .left_inside_left ul li a {
        display: block;
        height: 40px;
        margin-top: 3px;
        line-height: 40px;
        padding-left: 20px;
        font-size: 14px;
        color: var(--main-color-fontColor);
        background-color: #eeeeee;
    }
    .left_inside_left ul li a:hover {
        background-color: var(--main-color);
        color: var(--main-color-white);
    }
    .left_inside_right_top {
        font-size: 24px;
        color: var(--main-color);
        position: relative;
        padding-bottom: 15px;
        border-bottom: 1px solid #ededed;
    }
    .left_inside_right_top::after {
        position: absolute;
        width: 90px;
        height: 2px;
        content: '';
        bottom: -1px;
        left: 0;
        background-color: var(--main-color);
    }
    .left_inside_right_con {
        padding: 20px 0;
    }
}