@media (max-width: 768px) {
  #loading {
    display: none;
  }
  .wrap {
    width: 100%;
    min-width: 0;
  }
  .header {
    width: 100%;
    height: auto;
    aspect-ratio: 768/1217;
    background: url("../images/header-bg-m.jpg") no-repeat center;
    background-size: contain;
  }
  .header .inner {
    display: none;
  }
  .header::after{
    background: none;
  }
  .lightning-box , .header-rock{
    display: none;
  }
  .logo {
    display: none;
  }
  .promo-btn {
    display: none;
  }
  .social-btns {
    display: none;
  }
  #particles-js {
    display: none;
  }
  .top-menu {
    display: none;
  }
  .inner {
    width: 100%;
  }
  .container {
    min-width: 0;
  }
  .sec {
    width: 100%;
    margin-top: 0;
    height: auto;
    padding: 0;
    background: none;
  }

  .title-box {
    width: 100%;

  }
  .title-box img {
    max-width: 100%;
  }
  .sec1-word1{
    width: 100%;
    height: auto;
    aspect-ratio: 768/629;
    background: url("../images/sec1-bg-m.jpg") no-repeat center;
    background-size: contain;
    margin-top: 0;
  }

  .sec1 .title-box{
    display: none;
  }
  .sec1-word2 , .sec1-word3 {
    display: none;
  }
  .sec2-pic1{
    display: none;
  }
  .sec2-m-word{
    width: 85%;
    margin: 0 auto;
    color: #e7e7ca;
    font-size: 16px;
    display: block;
  }
  .sec2-pic2{
    width: 100%;
    height: auto;
    aspect-ratio: 768/69;
    background: url("../images/sec2-pic2-m.png") no-repeat center;
    background-size: contain;
    margin: 20px auto 10px auto;
  }
  
  .sec2-m-kingbox{
    display: flex;
    width: 90%;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0 auto;
    img{
      max-width: 100%;
      height: auto;
    }
  }
  .sec2-pic3-m{
    width: 95%;
    height: auto;
    aspect-ratio: 661/318;
    background: url("../images/sec2-pic3-m.png") no-repeat center;
    background-size: contain;
    margin: 20px auto 10px auto;
    display: block;
  }

  .sec3-pic1 {
    width: 100%;
    height: auto;
    aspect-ratio: 768/73;
    background: url("../images/sec3-pic1-m.png") no-repeat center;
    background-size: contain;
    margin: 20px auto 10px auto;
  }
    .sec3-pic2 {
    width: 100%;
    height: auto;
    aspect-ratio: 768/73;
    background: url("../images/sec3-pic2-m.png") no-repeat center;
    background-size: contain;
    margin: 20px auto 10px auto;
  }
  .sec3-pic3{
    display: none;
  }
  .sec3-m-word2{
    width: 85%;
    margin: 0 auto;
    color: #e7e7ca;
    font-size: 16px;
    display: block;
    text-align: center;
    margin: 20px auto 10px auto;
  }
  .wenpian-box {
    width: 95%;
    justify-content: space-around;
    gap: 0;
    margin: 0 auto;
  }
  .wenpian{
    width: 50%;
    height: auto;
    img{
      max-width: 100%;
      height: auto;
    }
  }
  .sec3-m-word1{
    width: 85%;
    margin: 0 auto;
    color: #e7e7ca;
    font-size: 18px;
    display: block;
  }

  .sec4-pic1 , .sec4-pic3{
    display: none;
  }

  .sec4-pic2{
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    aspect-ratio: 734/778;
    background: url("../images/sec4-pic2-m.png") no-repeat center;
    background-size: contain;
    margin: 10px auto 30px auto;
  }
  
  .sec5-pic1{
    width: 100%;
    height: auto;
    aspect-ratio: 712/713;
    background: url("../images/sec5-pic-m.jpg") no-repeat center;
    background-size: contain;
    margin: 0px auto 30px auto;
  }
  .sec5-icon-box{
    display: none;
  }
  .sec6-box{
    width: 95%;
    margin: 0 auto 20px auto;
    flex-wrap: wrap;
    div{
      width: 95%;
      img{
        max-width: 100%;
        height: auto;
      }
    }
  }
  .sec6-box1{
    margin-top: 30px;
    margin-bottom: 20px;
  }
  .sec6-notice{
    width: 90%;
    font-size: 18px;
    margin-bottom: 20px;
  }
  .footer {
    height: auto;
  }
  .footer-inner {
    width: 100%;
    height: auto;
    display: block;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .footer-links {
    text-align: center;
    margin-top: 10px;
  }
  .footer-center a {
    width: 100%;
  }
  .footer-center a img {
    width: 100%;
  }
  .footer-logo-box {
    text-align: center;
  }
  .footer-logo-box img {
    max-width: 100%;
  }
  .logout-btn {
    width: 100%;
    height: 50px;
    position: relative;
    margin: 0 auto;
    top: 0;
    right: 0;
    margin-bottom: 20px;
    background: #8d857b;
    color: #fff;
    font-size: 18px;
    text-indent: 0;
  }
  .copyright {
    text-align: center;
  }
  .footer-social .footer-inner {
    height: 100px !important;
  }
  .footer-main .footer-inner {
    padding: 10% 7%;
  }
  .footer-left, .footer-right {
    display: block;
    height: auto;
  }
  .footer-left {
    margin-bottom: 20px;
    text-align: center;
  }
  .lager-logo, .class-level {
    margin: 0 auto 20px auto;
  }
  .footer-main {
    height: auto;
  }
  .footer-right {
    margin-top: 10px;
    margin-left: 0;
  }
  .class-level {
    margin: 20px auto 20px auto;
  }
  .footer-lager-logo, .footer-rg-logo {
    margin-bottom: 10px;
  }
  .hamburger {
    display: block;
    opacity: 1;
    right: 15px;
  }
 
}

@media (max-width: 480px) {
  .wenpian{
    width: 80%;
  }
}