html {
  margin: 0;
  padding: 0;
  background: 0 0;
  font-size: 62.5%;
  font-family: -apple-system, PingFang SC, Helvetica Neue, Helvetica, STHeiTi, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
body,
html {
  width: 100%;
  height: 100%;
}
body {
  -webkit-overflow-scrolling: touch;
}
article,
aside,
blockquote,
body,
button,
code,
dd,
details,
div,
dl,
dt,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
hr,
input,
legend,
li,
menu,
nav,
ol,
p,
pre,
section,
sumary,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}
input,
select,
textarea {
  border: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
       appearance: none;
}
ol,
ul {
  list-style: none;
}
:not(input,select,textArea) {
  -webkit-user-select: none;
}
a,
img {
  -webkit-touch-callout: none;
}
a,
a:active,
a:hover {
  text-decoration: none;
}
a,
button,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}
* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
/*  -- flex弹性布局 -- */
.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.basis-xs {
  -ms-flex-preferred-size: 20%;
      flex-basis: 20%;
}
.basis-sm {
  -ms-flex-preferred-size: 40%;
      flex-basis: 40%;
}
.basis-df {
  -ms-flex-preferred-size: 50%;
      flex-basis: 50%;
}
.basis-lg {
  -ms-flex-preferred-size: 60%;
      flex-basis: 60%;
}
.basis-xl {
  -ms-flex-preferred-size: 80%;
      flex-basis: 80%;
}
.flex-zero {
  -webkit-box-flex: 0;
      -ms-flex: 0;
          flex: 0;
}
.flex-sub {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.flex-twice {
  -webkit-box-flex: 2;
      -ms-flex: 2;
          flex: 2;
}
.flex-treble {
  -webkit-box-flex: 3;
      -ms-flex: 3;
          flex: 3;
}
.flex-direction {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.flex-wrap {
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.align-start {
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.align-end {
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
}
.align-center {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.align-stretch {
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.self-start {
  -ms-flex-item-align: start;
      align-self: flex-start;
}
.self-center {
  -ms-flex-item-align: flex-center;
      align-self: flex-center;
}
.self-end {
  -ms-flex-item-align: end;
      align-self: flex-end;
}
.self-stretch {
  -ms-flex-item-align: stretch;
      align-self: stretch;
}
.align-stretch {
  -webkit-box-align: stretch;
      -ms-flex-align: stretch;
          align-items: stretch;
}
.justify-start {
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.justify-end {
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.justify-center {
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.justify-between {
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.justify-around {
  -ms-flex-pack: distribute;
      justify-content: space-around;
}
/*  -- 内外边距 -- */
.margin-0 {
  margin: 0;
}
.margin-xs {
  margin: 10px;
}
.margin-sm {
  margin: 20px;
}
.margin {
  margin: 30px;
}
.margin-lg {
  margin: 40px;
}
.margin-xl {
  margin: 50px;
}
.margin-top-xs {
  margin-top: 10px;
}
.margin-top-sm {
  margin-top: 20px;
}
.margin-top {
  margin-top: 30px;
}
.margin-top-lg {
  margin-top: 40px;
}
.margin-top-xl {
  margin-top: 50px;
}
.margin-right-xs {
  margin-right: 10px;
}
.margin-right-sm {
  margin-right: 20px;
}
.margin-right {
  margin-right: 30px;
}
.margin-right-lg {
  margin-right: 40px;
}
.margin-right-xl {
  margin-right: 50px;
}
.margin-bottom-xs {
  margin-bottom: 10px;
}
.margin-bottom-sm {
  margin-bottom: 20px;
}
.margin-bottom {
  margin-bottom: 30px;
}
.margin-bottom-lg {
  margin-bottom: 40px;
}
.margin-bottom-xl {
  margin-bottom: 50px;
}
.margin-left-xs {
  margin-left: 10px;
}
.margin-left-sm {
  margin-left: 20px;
}
.margin-left {
  margin-left: 30px;
}
.margin-left-lg {
  margin-left: 40px;
}
.margin-left-xl {
  margin-left: 50px;
}
.margin-lr-xs {
  margin-left: 10px;
  margin-right: 10px;
}
.margin-lr-sm {
  margin-left: 20px;
  margin-right: 20px;
}
.margin-lr {
  margin-left: 30px;
  margin-right: 30px;
}
.margin-lr-lg {
  margin-left: 40px;
  margin-right: 40px;
}
.margin-lr-xl {
  margin-left: 50px;
  margin-right: 50px;
}
.margin-tb-xs {
  margin-top: 10px;
  margin-bottom: 10px;
}
.margin-tb-sm {
  margin-top: 20px;
  margin-bottom: 20px;
}
.margin-tb {
  margin-top: 30px;
  margin-bottom: 30px;
}
.margin-tb-lg {
  margin-top: 40px;
  margin-bottom: 40px;
}
.margin-tb-xl {
  margin-top: 50px;
  margin-bottom: 50px;
}
.padding-0 {
  padding: 0;
}
.padding-xs {
  padding: 10px;
}
.padding-sm {
  padding: 20px;
}
.padding {
  padding: 30px;
}
.padding-lg {
  padding: 40px;
}
.padding-xl {
  padding: 50px;
}
.padding-top-xs {
  padding-top: 10px;
}
.padding-top-sm {
  padding-top: 20px;
}
.padding-top {
  padding-top: 30px;
}
.padding-top-lg {
  padding-top: 40px;
}
.padding-top-xl {
  padding-top: 50px;
}
.padding-right-xs {
  padding-right: 10px;
}
.padding-right-sm {
  padding-right: 20px;
}
.padding-right {
  padding-right: 30px;
}
.padding-right-lg {
  padding-right: 40px;
}
.padding-right-xl {
  padding-right: 50px;
}
.padding-bottom-xs {
  padding-bottom: 10px;
}
.padding-bottom-sm {
  padding-bottom: 20px;
}
.padding-bottom {
  padding-bottom: 30px;
}
.padding-bottom-lg {
  padding-bottom: 40px;
}
.padding-bottom-xl {
  padding-bottom: 50px;
}
.padding-left-xs {
  padding-left: 10px;
}
.padding-left-sm {
  padding-left: 20px;
}
.padding-left {
  padding-left: 30px;
}
.padding-left-lg {
  padding-left: 40px;
}
.padding-left-xl {
  padding-left: 50px;
}
.padding-lr-xs {
  padding-left: 10px;
  padding-right: 10px;
}
.padding-lr-sm {
  padding-left: 20px;
  padding-right: 20px;
}
.padding-lr {
  padding-left: 30px;
  padding-right: 30px;
}
.padding-lr-lg {
  padding-left: 40px;
  padding-right: 40px;
}
.padding-lr-xl {
  padding-left: 50px;
  padding-right: 50px;
}
.padding-tb-xs {
  padding-top: 10px;
  padding-bottom: 10px;
}
.padding-tb-sm {
  padding-top: 20px;
  padding-bottom: 20px;
}
.padding-tb {
  padding-top: 30px;
  padding-bottom: 30px;
}
.padding-tb-lg {
  padding-top: 40px;
  padding-bottom: 40px;
}
.padding-tb-xl {
  padding-top: 50px;
  padding-bottom: 50px;
}
/* -- 浮动 --  */
.cf::after,
.cf::before {
  content: " ";
  display: table;
}
.cf::after {
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.overflow {
  overflow: hidden;
}
.clearfix {
  zoom: 1;
}
.clearfix::before,
.clearfix::after {
  display: block;
  content: "";
  clear: both;
}
/* -- 文字 --  */
.text-xs {
  font-size: 12px;
}
.text-sm {
  font-size: 14px;
}
.text-df {
  font-size: 16px;
}
.text-lg {
  font-size: 18px;
}
.text-xl {
  font-size: 20px;
}
.text-xxl {
  font-size: 22px;
}
.text-sl {
  font-size: 24px;
}
.text-xsl {
  font-size: 26px;
}
.text-Abc {
  text-transform: Capitalize;
}
.text-ABC {
  text-transform: Uppercase;
}
.text-abc {
  text-transform: Lowercase;
}
.text-price::before {
  content: "¥";
  font-size: 80%;
  margin-right: 4px;
}
.text-cut {
  -o-text-overflow: ellipsis;
     text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.text-bold {
  font-weight: bold;
}
.text-normal {
  font-weight: normal;
}
.text-center {
  text-align: center;
}
.text-content {
  line-height: 1.6;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}