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;
  line-height: 1;
}

body,
button,
input,
select,
textarea {
  font: 12px/1.5tahoma, arial, \5b8b\4f53;
}

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

address,
cite,
dfn,
em,
var {
  font-style: normal;
}

code,
kbd,
pre,
samp {
  font-family: couriernew, courier, monospace;
}

small {
  font-size: 12px;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

sup {
  vertical-align: text-top;
}

sub {
  vertical-align: text-bottom;
}

a {
  text-decoration: none;
  /* 移除下划线 */
  color: inherit;
  /* 继承父元素的颜色 */
}

a:hover {
  text-decoration: none;
  /* 悬停时移除下划线 */
  color: inherit;
  /* 悬停时继承父元素的颜色 */
}

legend {
  color: #000;
}

fieldset,
img {
  border: 0;
}

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

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

.w {
  width: var(--w);
  margin: 0 auto;
}

.u-button {
  height: 34px;
  border-radius: 17px;
  font-family: Alibaba PuHuiTi 3;
  font-size: 14px;
  font-weight: 500;
  line-height: 34px;
  text-align: center;
  color: #fff;
  cursor: pointer;
  padding: 0px 22px;

}

:root {
  --w: 1280px;
}

html,
body {
  min-width: var(--w);
}

.header-box {
  position: fixed;
  width: 100%;
  background-color: #fff;
  border-bottom: 1px solid rgba(51, 51, 51, 0.05);
  box-sizing: border-box;
  z-index: 9;
}

.site-header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;

  width: var(--w);
  margin: 0 auto;
}

.site-header nav ul {
  display: flex;
}

.log-box {
  display: flex;
  align-items: center;
}

.log-box span {
  font-family: Alternox;
  font-size: 20px;
  font-weight: 600;
  color: #333;
  margin-left: 4px;
}

.num-box {
  display: flex;
  gap: 70px;
}

.num-box {
  font-size: 16px;
  font-weight: 500;
  line-height: 16px;
  color: #333;
  cursor: pointer;
}

.num-active {
  color: #0866ff;
}

.user-name {
  position: relative;
  cursor: pointer;
  display: none;
}

.user-name span {
  display: inline-block;
  height: 22px;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-box {
  display: flex;
  position: relative;
  gap: 10px;
}

.landing {
  background: #0866ff;
  color: #fff;
}

.enroll {
  border: 1px solid #0866ff;
  color: #0866ff;
  box-sizing: border-box;
}

.language-dropdown {
  display: none;
  position: absolute;
  right: 0px;
  border-radius: 4px;

  top: 24px;
  background-color: #f9f9f9;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.language-dropdown button {
  padding: 12px 16px;
  border-radius: 4px;
  text-align: left;
  border: none;
  background: none;
  cursor: pointer;
  width: 100%;
}

.language-dropdown button:hover {
  background-color: #ddd;
}

.zh-selse {
  line-height: 34px;
  cursor: pointer;
  margin-left: 10px;
}
.message {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  border-radius: 4px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
}
footer .footer{
  display: block;
}
.message-success {
  background-color: #67c23a;
}

.message-error {
  background-color: #f56c6c;
}

.message-info {
  background-color: #909399;
}

.message-warning {
  background-color: #e6a23c;
}

.section {
  gap: 10px;
  position: fixed;
  z-index: 666;
  top: 50%;
  right: 0px;
  padding: 10px 0;
  margin-top: -64px;
  width: 80px;
  background: #0866ff;
  border-radius: 5px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  color: #fff
}

/* 样式设置 */
.popup,
.overlay {
  display: none ;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.popup {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 20px;
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  z-index: 1000;
  text-align: center;
}

.overlay {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.close-btn {
  margin-top: 15px;
  cursor: pointer;
  color: #007bff;
  text-decoration: underline;
}

.show {
  display: block;
  opacity: 1;
}

.section img {
  margin-bottom: 4px
}

.section .color-theme {
  color: #fff
}
.section div{
  cursor: pointer;
  text-align: center;
}
#popup img{
  width: 300px;
  height: 300px;
  object-fit: contain;
}
.section_top {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center
}

.section_center {
  margin: 8px 0;
  width: 40px;
  border-bottom: 1px solid rgba(232, 232, 232, .4)
}

.section_bottom {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center
}

.section_bottom .t-center {
  display: flex;
  flex-direction: column;
  align-items: center
}

.language-button,
.zh-selse {
  display: none !important;
}

.footer {
  width: 100%;
  height: 60px;
  background: #333;
  font-family: Alibaba PuHuiTi 3;
  font-size: 16px;
  font-weight: 500;
  line-height: 60px;
  text-align: center;
  color: #fff;
  display: none;
}

/* ------------------- */