body {
    color: #fff;
    background-color: #000;
    /* padding: 1rem; */
}

.main {
    padding: 1rem;
}

h1 {
    margin-bottom: 0;
}

h3 {
    margin: 18px 0;
}

h5 {
    font-size: 18px;
    margin: 2rem 0;
}

p {
    margin: 0;
}

.mt_10 {
    margin-top: 10px;
}

.mt_40 {
    margin-top: 40px;
}

.ft_12 {
    font-size: 12px;
}

.ft_14 {
    font-size: 14px;
}

.ft_18 {
    font-size: 18px;
}

.ft_32 {
    font-size: 32px;
}

.ft_20 {
    font-size: 20px;
}

.fw_bold {
    font-weight: bold;
}

.m_0 {
    margin: 0;
}

.mt_20 {
    margin-top: 20px;
}

.mt_90 {
    margin-top: 90px;
}

.mb_40 {
    margin-bottom: 40px;
}

.mb_10 {
    margin-bottom: 10px;
}

.mb_20 {
    margin-bottom: 20px;
}

.mb_90 {
    margin-bottom: 90px;
}

.mt_90 {
    margin-top: 90px;
}

.text_right {
    text-align: right;
}

.text_center {
    text-align: center;
}

.line {
    border-bottom: 5px solid #fff;
}

.relative {
    position: relative;
}

.line_center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.p_0 {
    padding: 0;
}

.pb_40 {
    padding-bottom: 40px;
}

.title_2 {
    font-size: 18px;
    margin: 16px 0;
}

.l_5 {
    height: 5px;
    width: 100%;
    background-color: #fff;
    margin: 20px 0;
}

.column {
    display: flex;
    flex-direction: column;
}

.wrap {
    flex-wrap: wrap;
}

.w_25 {
    width: 23%;
}

.w_30 {
    width: 32%;
}

.w_50 {
    width: 49%;
}

.w_400 {
    width: 400px;
}

.w_550 {
    width: 550px;
}

.w_600 {
    width: 600px;
}

.w_700 {
    width: 700px;
}

.h_400 {
    height: 400px;
}

.lh_20 {
    line-height: 20px;
}

.lh_30 {
    line-height: 30px;
}

.lh_42 {
    line-height: 42px;
}

.at_b_0 {
    display: flex;
    align-items: flex-end;
}

.i_r {
    display: flex;
    justify-content: space-between;
}

.bt_5 {
    border-top: 5px solid #fff;
}

.mlr_1 {
    margin: 0 1rem;
}

.carousel-indicators {
    display: flex;
    align-items: center;
    height: 50px;
    width: inherit;
    margin: 0;
}

.carousel-indicators li {
    height: 10px;
    width: 10px;
    border-radius: 50%;
    border: none;
    margin: 0 4px;
}

.carousel-indicators .active {
    width: 10px;
    height: 10px;
    margin: 0 4px;
}

.inner-img {
    height: 180px;
}

footer {
    width: 100%;
    margin-top: 60px;
    height: 60px;
    line-height: 60px;
    /* border-top: 5px solid #fff; */
    position: fixed;
    bottom: 0;
    background: #000;
}


/* 隐藏滚动条 */

::-webkit-scrollbar {
    width: 0;
    height: 0;
    background-color: transparent;
}