html {
  color: #333;
  background: #fff;
  font-family: 'PingFang SC', 'Microsoft YaHei', Arial, '宋体';
}
* {
  line-height: 1.5;
}
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
  padding: 0;
  margin: 0;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
fieldset,
img {
  border: none;
}
a {
  text-decoration: none;
  color: #333;
  outline: none;
}
a:hover {
  color: #333;
}
var,
em {
  font-style: normal;
}
address,
caption,
cite,
code,
dfn,
em,
th,
var,
optgroup {
  font-style: inherit;
  font-weight: inherit;
}
del,
ins {
  text-decoration: none;
}
li {
  list-style: none;
}
caption,
th {
  text-align: left;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
q:before,
q:after {
  content: '';
}
abbr,
acronym {
  border: 0;
  font-variant: normal;
}
legend {
  color: #000;
}
input,
button,
textarea,
select,
optgroup,
option {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
}
input,
button,
textarea,
select {
  font-size: 100%;
  outline: none;
}
body {
  -webkit-user-select: none;
  -webkit-text-size-adjust: none;
}
* {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -webkit-overflow-scrolling: touch;
}
*::-webkit-scrollbar {
  width: 0;
  height: 0;
}
*::-webkit-scrollbar-thumb {
  border-radius: 1.3vw;
  -webkit-box-shadow: inset 0 0 0.8vw rgba(0,0,0,0.3);
  box-shadow: inset 0 0 0.8vw rgba(0,0,0,0.3);
  background-color: #95b6ef;
}
img {
  -webkit-touch-callout: none;
}
input[type='submit'],
input[type='reset'],
input[type='button'],
input[type=date],
button,
select,
input[type=text] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent !important;
}
a,
input[type=text],
select,
input[type=password],
textarea {
  -webkit-tap-highlight-color: transparent !important;
}
input::-webkit-input-placeholder {
  color: #666;
}
.hide {
  display: none !important;
}
.show {
  display: block;
}
.white {
  color: #fff;
}
.white-90 {
  color: #e5e5e5;
}
.gray-90 {
  color: #c9c9ca;
}
.c-gray {
  color: #9b9b9c;
}
.black-1 {
  color: #232a30;
}
.blue-1 {
  color: #3580f6;
}
.f-60 {
  font-size: 8vw;
}
.f-54 {
  font-size: 7.2vw;
}
.f-40 {
  font-size: 5.3vw;
}
.f-34 {
  font-size: 4.5vw;
}
.f-32 {
  font-size: 4.3vw;
}
.f-30 {
  font-size: 4vw;
}
.f-28 {
  font-size: 3.7vw;
}
.f-26 {
  font-size: 3.5vw;
}
.f-24 {
  font-size: 3.2vw;
}
.f-20 {
  font-size: 2.7vw;
}
.f-22 {
  font-size: 2.9vw;
}
.f-weight {
  font-weight: bold;
}
.text-center {
  text-align: center;
}
.fl-en {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.fl-ar {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.f-lex {
  display: flex;
}
.al-center {
  align-items: center;
}
.fl-wrap {
  flex-wrap: wrap;
}
.j-s-b {
  justify-content: space-between;
}
.j-s-c {
  justify-content: center;
}
.j-s-a {
  justify-content: space-around;
}
.footer {
  position: fixed;
  width: 100vw;
  height: 16vw;
  background-color: #fff;
  bottom: 0;
  left: 0;
  z-index: 1;
}
.footer a {
  display: flex;
  flex-flow: column;
  align-items: center;
}
.footer a img {
  width: 4.3vw;
  height: 4.3vw;
}
.footer a p {
  font-size: 3.2vw;
  margin-top: 1.6vw;
}
.ml-auto {
  margin-left: auto;
}
.index-content {
  background-color: #f3f4f4;
  width: 100vw;
  padding-top: 2.7vw;
  padding-bottom: 26.7vw;
}
.index-header {
  background-color: #3580f6;
  width: calc(100% - 5.3vw);
  margin: auto;
  border-radius: 2.7vw;
  height: 32vw;
  padding-left: 6.7vw;
  padding-top: 6.7vw;
  box-sizing: border-box;
  position: relative;
}
.show-btn {
  background-color: rgba(255,255,255,0.4);
  border-radius: 4vw;
  width: 20vw;
  height: 6.7vw;
  text-align: center;
  letter-spacing: 0.3vw;
  line-height: 6.7vw;
}
.down-icon {
  width: 3.1vw;
  height: 1.7vw;
}
.ml-12 {
  margin-left: 1.6vw;
}
.mt-12 {
  margin-top: 1.6vw;
}
.add-btn {
  width: 10.7vw;
  height: 10.7vw;
  border-radius: 50%;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  position: absolute;
  top: 10.7vw;
  right: 8vw;
}
.add-btn img {
  width: 4.5vw;
  height: 4.5vw;
}
.index-nav {
  width: calc(100% - 5.3vw);
  height: 13.3vw;
  display: flex;
  align-items: center;
  margin: auto;
}
.index-nav img {
  width: 2.9vw;
  height: 1.6vw;
}
.index-nav p {
  margin-right: 6vw;
}
.nav-active {
  color: #101010;
}
.block-icon {
  width: 45.3vw;
  height: 29.3vw;
  background-color: #fff;
  border-radius: 2.7vw;
  margin-top: 3.3vw;
  box-sizing: border-box;
  padding: 4vw;
}
.block-list {
  width: calc(100% - 5.3vw);
  margin: auto;
  justify-content: space-between;
}
.source-1 {
  width: 12.1vw;
  height: 9.5vw;
}
.source-2 {
  width: 10.5vw;
  height: 10.5vw;
}
.source-3 {
  width: 9.1vw;
  height: 12.4vw;
}
.source-4 {
  width: 12.8vw;
  height: 8.8vw;
}
.source-5 {
  width: 8.5vw;
  height: 12.9vw;
}
.source-6 {
  width: 14vw;
  height: 8.7vw;
}
.mt-40 {
  margin-top: 5.3vw;
}
.close-btn {
  width: 10.7vw;
  height: 10.7vw;
  border-radius: 50%;
  background-color: #f0f1f2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.close-btn img {
  width: 4.4vw;
  height: 4.4vw;
}
.is-open {
  background-color: #fff;
  border: 1px solid #3580f6;
}