@media (min-width: 768px) {
  .container {
    width: 750px;
  }

  .container {
    margin-left: auto;
    margin-right: auto;
  }
}

.nav-bar {
  display: flex;
  width: 100%;
  height: 60px;
  background-color: #fff;
  justify-content: space-between;
}

.nav-bar .logo-box {
  width: 200px;
  height: 60px;
  background-image: url('../images/logo.png');
  background-repeat: no-repeat;
  background-size: 50%;
  background-position: 15px center;
}

.nav-bar .menu-box {
  display: flex;
  align-items: center;
}

.nav-bar .menu-icon {
  display: inline-block;
  margin: 0;
  width: 24px;
  height: 24px;
}

.nav-bar .menu-text {
  padding: 0 15px 0 5px;
  font-size: 16px;
  line-height: 60px;
}

.nav-menu-wrapper {
  z-index: 2002;
  display: none;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  position: fixed;
  overflow: hidden;
  margin: 0;
}

.nav-menu-wrapper .menu-list {
  background-color: #fff;
  text-align: center;
}

.nav-menu-wrapper .menu-list .menu-item {
  padding: 17px 0;
  font-size: 18px;
  border-top: 0.5px solid #E2E2E2;
}

.nav-menu-wrapper .menu-list .menu-item a {
  display: inline-block;
  width: 100%;
  height: 100%;
}

.nav-menu-wrapper .nav-menu-mask {
  height: 100%;
  opacity: .7;
  background: #000;
}

.banner-container {
  margin: 0;
  width: 100%;
}

.banner-container .banner-block img {
  width: 100%;
}

.quetion-title {
  margin-top: 30px;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
}

.question-container .line-block {
  display: flex;
  justify-content: center;
}

.question-container .line-block .question-item {
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
}

.question-container .question-item .icon-block img {
  width: 26px;
  height: 26px;
}

.question-container .question-item .text-block {
  padding-left: 12px;
  width: 100px;
}

.video-container {
  padding: 15px;
  background-color: #E9E9E9;
}

.video-container .intro-text {
  margin-top: 15px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
}

.registry-container {
  padding: 10px 50px 30px;
  text-align: center;
}

.registry-container .registry-button {
  padding: 0 50px;
  height: 40px;
  line-height: 40px;
  background: linear-gradient(360deg,rgba(255,189,4,1) 0%,rgba(254,132,0,1) 50%);
  border-radius: 5px;
  font-size: 18px;
  color: #fff;
}

.poster-container {
  line-height: 0;
}

.poster-container .poster-item {
  width: 100%;
}

.poster-container .poster-item img {
  width: 100%;
}