html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
    outline: 0;
    background: transparent;
}

table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
    vertical-align: middle;
}

li {
    list-style: none outside none;
}

body {
    line-height: 1;
}

:focus {
    outline: 1;
}

article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary {
    display: block;
}

nav ul {
    list-style: none;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: "";
    content: none;
}

a {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

ins {
    text-decoration: none;
    color: #000;
    background-color: #ff9;
}

mark {
    font-weight: bold;
    font-style: italic;
    color: #000;
    background-color: #ff9;
}

del {
    text-decoration: line-through;
}

em {
    font-style: normal;
}

abbr[title],
dfn[title] {
    border-bottom: 1px dotted #000;
    cursor: help;
}

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

hr {
    display: block;
    height: 1px;
    margin: 1em 0;
    padding: 0;
    border: 0;
    border-top: 1px solid #ccc;
}

input,
select {
    vertical-align: middle;
    outline: none;
}


/*滚动条整体样式*/

::-webkit-scrollbar {
    /*滚动条宽和高*/
    width: 0.1rem;
    height: 1px;
}

::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 0.1rem;
    background: #535353;
}

::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 0.1rem;
    background: #ededed;
}


/* 定位 */

.flex {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
}

.flex-x {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -moz-flex-direction: row;
    -webkit-flex-direction: row;
    flex-direction: row;
}

.flex-x-r {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -moz-flex-direction: row-reverse;
    -webkit-flex-direction: row-reverse;
    flex-direction: row-reverse;
}

.flex-y {
    -webkit-box-direction: normal;
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -webkit-flex-direction: column;
    flex-direction: column;
}

.flex-x-start {
    -webkit-box-pack: start;
    -moz-justify-content: flex-start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
}

.flex-x-center {
    -webkit-box-pack: center;
    -moz-justify-content: center;
    -webkit-justify-content: center;
    justify-content: center;
}

.flex-x-end {
    -webkit-box-pack: end;
    -moz-justify-content: flex-end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}

.flex-x-between {
    -webkit-box-pack: justify;
    -moz-justify-content: space-between;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}

.flex-x-around {
    -webkit-box-pack: around;
    -moz-justify-content: space-around;
    -webkit-justify-content: space-around;
    justify-content: space-around;
}

.flex-y-start {
    -webkit-box-align: start;
    -moz-align-items: flex-start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
}

.flex-y-center {
    -webkit-box-align: center;
    -moz-align-items: center;
    -webkit-align-items: center;
    align-items: center;
}

.flex-y-end {
    -webkit-box-align: end;
    -moz-align-items: flex-end;
    -webkit-align-items: flex-end;
    align-items: flex-end;
}

.flex-wrap {
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
}

.pos-abs {
    position: absolute;
    z-index: 99;
}

.pos-fix {
    position: fixed;
    z-index: 99;
}

#header {
    height: 8rem;
}

/* 城市策列表页头部高度自适应 */
.sd-page #header {
    height: clamp(5.8rem, 25vh, 8rem);
}