body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 15px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 0 5px gary;
}

body,
button,
input,
select,
textarea {
    font: 12px "microsoft yahei";
    line-height: 1.5;
    -ms-overflow-style: scrollbar;
    outline: medium;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%
}

ul,
ol {
    list-style: none
}

a {
    text-decoration: none;
    cursor: pointer
}

a:hover {
    text-decoration: none;
}

img {
    border: 0
}

button,
input,
select,
textarea {
    font-size: 100%
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

.clear {
    clear: both
}

.fr {
    float: right
}

.fl {
    float: left
}

.block {
    display: block;
    text-indent: -999em
}

.cursor {
    cursor: pointer;
}

.show {
    display: block!important;
}

.hide {
    display: none!important;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
}

.modal {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.68);
    display: none;
    z-index: 2000;
    overflow: none;
}

.modal .modal_content {
    position: relative;
    box-sizing: border-box;
}