@charset "utf-8";
/* CSS Document */

@media (max-width: 1200px) {

  .w_all,
  .w_all2 {
    width: 90%;
  }

  header .logo {
    height: 26px;
  }
}

@media (max-width: 850px) {

  body,
  html {
    --headerHeight: 46px
  }

  header .logo {
    height: 24px;
  }

  .banner .swiper-container,
  .fixedHight,
  .index_pro {
    height: 55vh;
  }

  .txtDol,
  header ul li a {
    height: 12px;
  }

  .index_about .contain {
    width: 100%;
  }

  .about .contain .ll {
    width: 100%;
  }

  .about .contain .rr {
    width: 100%;
    margin-top: 3rem;
  }

  .pro .bar2 dl {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 2rem;
  }

  .pro .bar2 dl dd b {
    min-height: 45vw;
  }

  .pd_bans {
    height: 55vh !important;
  }

  .prod .pbar1 .rr {
    width: 50%;
  }

  .prod .pbar1 .ll {
    padding: 0;
    width: 45%;
  }

  .prod2 .swiper-slide {
    height: 50vh;
  }

  .footer .bar2 dl dd:last-of-type {
    max-width: 36%;
  }
}

@media (max-width: 500px) {
  .w_all3 {
    width: 90%;
  }

  body,
  html {
    --headerHeight: 38px
  }

  header .logo {
    height: 17px;
  }

  .index_about .ll {
    width: 100%;
  }

  .index_about .rr {
    width: 100%;
  }

  .footer .bar2 {
    padding-bottom: 2rem;
  }

  .footer .bar2 dl {
    flex-wrap: wrap;
  }

  .footer .bar2 dl dd:first-of-type {
    width: 100%;
  }

  .footer .bar2 dl dd:last-of-type {
    max-width: 48%;
  }

  .footer .logo2 {
    margin: 0 auto 3rem;
    width: 40%;
  }

  .footer dl dd p {
    margin: 0 0 1rem;
  }

  .footer .copy p,
  .footer .copy p a {
    font-size: 10px;
  }

  .bans p {
    font-size: 10px;
  }

  .bans {
    margin-top: var(--headerHeight);
  }

  .bans h2 {
    margin-bottom: 0.3rem;
    font-size: 20px;
  }

  .bans .txt {
    bottom: 1rem;
  }

  .pro .bar2 dl {
    gap: 2rem 1rem;
  }

  .pro .bar2 dl dd h6 {
    margin: 1.5rem 0 0;
  }

  .pro .bar2 dl dd p {
    margin: 0.8rem 0;
    font-size: 11px;
    line-height: 1.4;
  }

  .pd_bans {
    margin: 0 !important;
  }

  .pdnav .ll {
    display: none;
  }

  .pdnav .rr {
    width: 100%;
    gap: 0;
    justify-content: space-between;
  }

  .prod .pbar1 {
    flex-direction: column-reverse;
  }

  .prod .pbar1 .rr {
    width: 100%;
    margin-top: 3rem;
  }

  .prod .pbar1 .ll {
    width: 70%;
    margin: auto;
  }

  .prod .pbar1 .tt {
    margin-top: 0;
  }

  .contact ul li {
    width: 100%;
  }
}