* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 1580px;
  /* font-family: "SOURCEHANSANSCN NORMAL"; */
  color: #1d2129;
}

a,
a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
  color: #1d2129;
}

.w1320 {
  width: 1320px;
  margin: 0 auto;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.more-btn-default-theme {
  display: inline-flex;
  align-items: center;
  border-radius: 28px;
  border: 1px solid #ffffff;
  padding: 12px 32px;
  box-sizing: border-box;
  color: #ffffff;
  font-size: 18px;
  line-height: 30px;
  cursor: pointer;
}

.more-btn-dark-theme {
  display: inline-flex;
  align-items: center;
  border-radius: 28px;
  border: 1px solid #000000;
  padding: 12px 32px;
  box-sizing: border-box;
  color: #060b13;
  font-size: 18px;
  line-height: 30px;
  cursor: pointer;
}

.totop--float {
  position: absolute;
  top: calc(100vh - 96px);
  right: 32px;
  z-index: 98;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  background: #ffffff;
  box-shadow: 0 2px 10px 0 rgb(0 0 0 / 10%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: ease all 0.3s;
  border: 1px solid #f2f3f5;
  box-sizing: border-box;
}

.totop--float--show {
  opacity: 1;
  cursor: pointer;
}

.fixed-box {
  position: absolute;
  top: 200px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.join-member-flex .join-member-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border-radius: 24px;
  background-color: #ffffff;
  padding: 16px 0;
  box-sizing: border-box;
  cursor: pointer;
  width: 48px;
  position: relative;
  z-index: 2;
  box-shadow: 0 2px 10px 0 #0000001a;
  border: 1px solid #f2f3f5;
}

.join-member-flex .join-member-nav .join-member-icon {
  display: block;
  width: 22px;
  height: 22px;
}

.join-member-flex .join-member-nav .join-member-text {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.join-member-text span {
  color: #1d2129;
  font-size: 16px;
  font-weight: 700;
  line-height: 22px;
}

.join-member-flex .join-member-content {
  opacity: 0;
  border: 1px solid #e5e6e8;
  background-color: #ffffff;
  box-shadow: 0 4px 10px 0 #0000001a;
  padding: 16px 16px 14px 16px;
  box-sizing: border-box;
  position: absolute;
  z-index: 1;
  right: calc(48px + 10px);
  top: 50%;
  transform: translate(0, -50%) scale(0);
  transition: all 0.3s ease;
  border-radius: 10px;
}

.join-member-flex .join-member-content::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  margin-top: -6px;
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent #e5e6e8;
  z-index: -1;
}

.join-member-flex .join-member-content::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  margin-top: -6px;
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}

.join-member-flex .join-member-nav:hover + .join-member-content {
  opacity: 1;
  transform: translate(0, -50%) scale(1);
}

.join-member-flex .join-member-content .join-member-qcode {
  display: block;
  width: 120px;
  height: 120px;
}

.join-member-flex .join-member-content .join-member-text {
  color: #1d2129;
  font-size: 14px;
  text-align: center;
  line-height: 22px;
  margin-top: 8px;
}

.tougao-flex {
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  border-radius: 24px;
  background-color: #18a2df;
  box-sizing: border-box;
  padding: 16px 0;
  cursor: pointer;
  width: 48px;
}

.tougao-flex .tougao-icon {
  display: block;
  width: 22px;
  height: 22px;
}

.tougao-flex .tougao-text {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tougao-flex .tougao-text span {
  color: #ffffff;
  font-size: 16px;
  line-height: 22px;
}

.head-cover {
  width: 100%;
  height: 340px;
  overflow: hidden;
  position: relative;
}

.head-cover .cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.head-cover .head-cover-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.head-cover .head-cover-text .cover-zh {
  color: #000000;
  font-size: 36px;
  font-weight: 500;
  line-height: 44px;
}

.head-cover .head-cover-text .cover-en {
  color: #4e5969;
  font-size: 14px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 1px;
}

.head-cover .head-cover-text .cover-zh.white {
  color: #ffffff;
}

.head-cover .head-cover-text .cover-en.white {
  color: rgba(255, 255, 255, 0.8);
}