* {
  padding: 0;
  margin: 0;
}

html {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  font-size: 10px;
  font-family: 'Microsoft YaHei';
}

@media screen and (min-width: 768px) and (max-width: 991px) {
  html {
    font-size: 6px;
  }

  body {
    min-width: 120rem;
  }
}

@media screen and (min-width: 992px) and (max-width: 1200px) {
  html {
    font-size: 8px;
  }

  body {
    min-width: 120rem;
  }
}

body {
  min-height: 100%;
  padding: 0;
  margin: 0;
  background: url(../images/bg_big.jpg) no-repeat;
  background-size: 100% 100%;
}


h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
  letter-spacing: 1px;
}

p {
  margin: 0;
}

a:link,
a:visited,
a:active,
a:focus,
a:hover {
  text-decoration: none;
  outline: none
}

img {
  width: 100%;
}

ul li {
  list-style: none;
}

.clearfix:after {
  content: "\20";
  display: block;
  height: 0;
  clear: both;
}

.clearfix {
  *zoom: 1
}

header {
  /* min-width: 150rem; */
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  box-sizing: border-box;
}

.header-box {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.header-logo {
  position: absolute;
  top: 50%;
  left: 5.5rem;
  transform: translateY(-50%);
  flex: 2;
  width: 22.7rem;
  height: 7.3rem;
  margin-right: 2.5rem;
}

.header-logo-mobile {
  display: none;
}

.header-box>.ul>.li {
  display: block;
  box-sizing: border-box;
  max-width: 22rem;
  flex: 1;
  display: inline-block;
}

.header-box>.ul>.li>a {
  text-align: center;
  display: block;
  height: 100%;
  line-height: 1;
  color: #fff;
  padding: 3rem;
  text-decoration: none;
  white-space: normal;
  /* word-break: break-all; */
}

@media screen and (min-width: 768px) and (max-width: 991px) {
  .header-logo {
    display: none;
  }

  .header-logo-mobile {
    margin: 0 1rem;
    width: 5.9rem;
    display: inline-block;
  }

  .header-box>.ul>.li>a {
    display: block;
    height: 100%;
    color: #fff;
    padding: 2rem 1rem;
    text-decoration: none;
  }
}

@media screen and (min-width: 992px) and (max-width: 1200px) {
  .header-logo {
    display: none;
  }

  .header-logo-mobile {
    margin: 0 1rem;
    width: 5.9rem;
    display: inline-block;
  }

  .header-box>.ul>.li>a {
    display: block;
    height: 100%;
    color: #fff;
    padding: 2rem;
    text-decoration: none;
  }
}

@media screen and (min-width: 1201px) and (max-width: 1600px) {
  .header-logo {
    width: 13.62rem;
    height: 4.38rem;
  }

  .header-box>.ul>.li>a {
    display: block;
    height: 100%;
    color: #fff;
    padding: 3rem 2rem;
    text-decoration: none;
  }
}

.header-box>.ul>.li:hover,
.header-box>.ul>.li.active {
  box-sizing: border-box;
  color: #ffb924;
  background: url('../images/btn_hover.png');
  background-size: 100% 100%;
}

.header-box ul li:hover {
  color: #fff;
}

.header-box>.ul>.li:hover a,
.header-box>.ul>.li.active a {
  color: #ffb924;
  text-decoration: underline;
}

.header-box>.ul>.li:hover a {
  color: #fff;
  text-decoration: none;
}

.select {
  position: relative;
  top: 0;
  left: 0;
}

.select-box {
  opacity: 0;
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translateY(100%);
  width: 100%;
  border-top: 2px solid rgba(255, 255, 0, 0);
}

.header-box>.ul>.li.select:hover {
  background: #0a2070;
  border: 0;
  border-bottom: 2px solid #0a2070;
}

.header-box>.ul>.li.select:hover .select-box {
  display: block;
  border-top: 2px solid #0a2070;
  opacity: 1;
  animation: selectBox 0.5s;
}

.select-box li>a {
  display: block;
  box-sizing: border-box;
  padding: 3rem;
  word-break: keep-all;
  white-space: nowrap;
  background-color: rgba(7, 21, 90, 0.75);
}

@keyframes selectBox {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }

  50% {
    transform: translateY(50%);
    opacity: 0;
  }

  99% {
    transform: translateY(100%);
    opacity: 1;
  }
}

/* footer */
footer {
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translateY(100%);
  padding: 5rem 0;
  min-width: 100%;
  /* height: 16rem; */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: rgba(255, 255, 255, 0.8);
  background-color: #020205;
}

.footer-mobile {
  display: none;
}

.footer-logo {
  width: 22.7rem;
  height: 7.3rem;
  margin-right: 5rem;
}

.footer-title {
  display: flex;
  flex-direction: column;
  margin-left: 5rem;
  margin-right: 3rem;
  font-size: 1.8rem;
  text-align: right;
}

.footer-info {
  font-size: 1.4rem;
}

.icon_ads {
  margin-right: 2.4rem;
  width: 1.4rem;
  height: 1.8rem;
}

.icon_mail {
  margin-right: 2rem;
  width: 1.8rem;
  height: 1.4rem;
}

.fi-item {
  margin: 0.7rem 0;
  display: flex;
  align-items: center;
}

.fi-item-content {
  display: inline-block;
  max-width: 34rem;
}

.join-button {
  display: block;
  margin-bottom: 4.5rem;
  box-sizing: border-box;
  padding: 0 1.3rem;
  width: 45rem;
  height: 6.8rem;
  background: linear-gradient(to right, rgba(255, 214, 36, 0.9) 19%, rgba(255, 156, 35, 0.65) 35%, rgba(226, 123, 36, 0.49) 51%, rgba(149, 37, 37, 0.29) 92%, rgba(149, 37, 37, 0.25) 100%);
  border-radius: 3.4rem;
  display: flex;
  align-items: center;
  font-size: 3rem;
  font-weight: 700;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
  color: #fff;
}

.join-button:hover {
  position: relative;
  top: -2px;
  box-shadow: 5px 5px 1rem 2px rgba(0, 0, 0, 0.1);
}

.join-icon {
  margin-right: 1.7rem;
  width: 5.5rem;
  height: 3.8rem;
}

.join-card {
  margin-top: 8rem;
  width: 112rem;
}

.jc-box {
  box-sizing: border-box;
  width: 112rem;
  border: solid 1px #31c2ff;
  box-shadow: 0 0 2rem 2px #0a2979 inset;
  padding-top: 9.6rem;
  padding-bottom: 7rem;
  color: #b2c3ff;
  text-align: center;
  font-weight: 500;
}

.jc-box h1 {
  font-size: 6.4rem;
  text-decoration: underline;
  margin-bottom: 1rem;
  font-weight: 500;
}

.jc-box h4 {
  padding-left: 3rem;
  font-size: 3.2rem;
  font-weight: 500;
}

.content {
  min-height: 100%;
  padding-top: 17rem;
  padding-bottom: 12rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.content h1 {
  margin-bottom: 8rem;
  color: #fff;
  font-size: 7.2rem;
}

.introduction {
  box-sizing: border-box;
  padding: 4rem 4rem 5rem 4rem;
  width: 112rem;
  line-height: 3rem;
  color: #fff;
  font-size: 1.8rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.introduction.per {
  background: linear-gradient(rgba(87, 41, 191, 0.3) 70%, rgba(21, 37, 128, 0.3));
}

@media screen and (min-width: 320px) and (max-width: 767px) {

  header.header-menu {
    width: 100%;
    overflow: hidden;
    width: 100%;
    height: 5.9rem;
    overflow: hidden;
  }

  .header-box {
    font-size: 12px;
    width: 68.5rem;
    overflow-y: hidden;
    position: absolute;
    top: 0;
    left: 0;
    margin-left: 7rem;
    display: block;
  }

  .header-logo {
    display: none;
  }

  .header-logo-mobile {
    margin-left: 0.5rem;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    width: 6rem;
  }

  .header-box>.ul {
    height: 100%;
    /* display: flex; */
    white-space: nowrap;
    margin: 0;
    padding: 0;
  }

  .header-box>.ul>.li {
    display: inline-block;
    white-space: nowrap;
    max-width: 300px;
    height: 100%;
    line-height: 1;
  }

  .header-box>.ul>.li>a {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    height: 100%;
  }

  .content h1 {
    margin-bottom: 5px;
    color: #fff;
    font-size: 8px;
  }

  .introduction {
    margin-top: 20px;
    box-sizing: border-box;
    padding: 4rem 4rem 5rem 4rem;
    width: 80%;
    line-height: 1.1;
    color: #fff;
    font-size: 12px;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .join-button {
    width: 36rem;
    height: 5.4rem;
    border-radius: 24px;
    font-size: 2.6rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    padding: 0 2rem;
    margin-bottom: 14px;
  }

  .join-icon {
    margin-right: 2rem;
    width: 5.1rem;
    height: 3.6rem;
  }

  .web-footer {
    display: none;
  }

  .footer-mobile {
    display: flex;
  }

  .footer-mobile-bg {
    width: 100%;
  }

  footer {
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
    padding: 10px 5px;
    min-width: 100%;
    font-size: 12px;
  }

  .jc-box {
    width: 67.3rem;
    height: 18.3rem;
    padding: 0;
    box-sizing: border-box;
    padding-top: 5rem;
  }

  .jc-box h1 {
    font-size: 3.8rem;
    color: #b2c3ff;
  }

  .jc-box h4 {
    font-size: 2.6rem;
  }

  .content {
    padding-top: 0px;
    padding-bottom: 12px;
  }

  .content .global-content-title {
    /* display: none; */
    font-size: 4.4rem;
    margin: 0;
    margin-top: 4rem;
  }

  .join-card {
    width: 336px;
  }

}