@media (max-width: 1580px) {}

@media (max-width: 1280px) {
  header {
    padding: 0 20px;
  }

  .sec4,
  .section-io-7 {
    padding: 0;
  }

  .banner::after {
    width: 600px;
  }
}

/* -------- <=1024: 平板竖屏/小桌面 -------- */
@media (max-width: 1024px) {
  .sec4 table {
    width: 800px;
  }
}

/* -------- <=768: 手机横向/常见手机竖屏 -------- */
@media (max-width: 768px) {
  .mobile-nav {
    display: block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .08);
  }

  .mobile-nav .ph_l {
    width: 61%;
    height: 100%;
    position: fixed;
    top: 80px;
    left: -61%;
    z-index: 1120;
    overflow: hidden;
    background: #fff;
    color: rgba(255, 255, 255, .6);
    transition: left .3s;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, .08);
  }

  .mobile-nav .ph_l .sign {
    padding: 20px;
    border-radius: 0;
  }

  .mobile-nav .ph_l .sign-wrap {
    gap: 20px;
  }

  .mobile-nav .ph_l .btn-wrap-m {
    margin-top: 20px;
    padding: 20px;
    gap: 20px;
  }

  .mobile-nav .ph_l .btn-wrap-m .btn-lay {
    width: 100%;
    text-align: center;
  }

  .mobile-nav .ph_r {
    display: block;
    width: 40%;
    height: 100%;
    background: rgba(0, 0, 0, .6);
    position: fixed;
    right: -40%;
    top: 80px;
    z-index: 1101;
    transition: right .3s;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, .08);
  }

  .ph_l ul li {
    border-bottom: 1px solid #ccc;
    position: relative;
  }

  .ph_l ul li a {
    padding: 20px;
    color: #000;
    cursor: pointer;
  }

  .ph_l ul li a svg {
    transition: .3s;
  }

  .ph_l ul li a.active svg {
    transform: rotate(90deg);
  }

  .ph_l ul .mobile-nav_secont {
    margin-left: 5px;
  }

  .ph_l ul .mobile-nav_secont a {
    padding: 10px;
  }

  .btn-head-nav-toggle {
    display: block;
    margin-left: 10px;
  }

  .mob-nav-sec {
    margin-bottom: 20px;
    display: none;
  }

  .ph_l ul li .mob-nav-sec a {
    display: block;
    padding: 5px 40px;
  }

  .btn-large-nav-expand {
    display: inherit;
    flex-direction: column;
    cursor: pointer;
  }

  .btn-large-nav-expand i {
    display: block;
    width: 24px;
    height: 2px;
    flex: 0 0 auto;
    background: var(--theme-color);
    margin-bottom: 4px;
    transition: .5s cubic-bezier(.15, 1, .336, 1)
  }

  .btn-large-nav-expand i:last-of-type {
    margin-bottom: 0
  }

  .btn-large-nav-expand.active i {
    transition: .4s cubic-bezier(.1, .84, .2, 1.4)
  }

  .btn-large-nav-expand.active i:first-of-type {
    transform: translateY(300%) rotate(45deg)
  }

  .btn-large-nav-expand.active i:nth-of-type(2) {
    transform: scaleX(0)
  }

  .btn-large-nav-expand.active i:nth-of-type(3) {
    transform: translateY(-300%) rotate(-45deg)
  }

  .banner .sec-wrap {
    justify-content: flex-start;
    padding: 18vh 0;
  }

  .banner .intro {
    width: 100%;
  }

  .banner .sec-bg {
    width: 100%;
    bottom: 0;
    top: unset;
  }

  .main {
    margin: 0 20px;
  }

  .sec1 .sec-area {
    flex-direction: column;
    gap: 30px;
  }

  .sec1 .hero {
    margin-top: max(50px, 10%);
    --hero: calc(473 * var(--px) * 2);
  }

  .sec1 .sec-area .title {
    text-align: center;
  }

  .sec1 .sec-area {
    height: auto;
  }

  .sec1 .product-para .para-wrap {
    gap: 30px;
    flex-wrap: wrap;
  }

  .sec1 .product-para .para-wrap img {
    width: 22%;
  }

  .product-info {
    --column: 2;
    padding: 0;
  }

  .sec2 .sec-wrap-thin {
    flex-direction: column;
    align-items: flex-start;
  }

  .sec2 .item {
    width: 23.5%;
  }

  .sec3 .pic {
    width: 100%;
  }

  .sec3 .container-thin {
    flex-wrap: wrap;
  }

  .sec3 .items.left,
  .sec3 .items.right {
    order: unset;
    width: 100%;
    gap: 30px;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sec3 .items .item {
    width: calc((100% - 30px) / 2);
  }

  .sec3 .para-intro {
    width: 100%;
    position: relative;
    bottom: unset;
    left: unset;
    transform: unset;
    padding: 0 20px;
  }

  .sec3 .para-intro img {
    width: 100%;
  }

  .sec-wrap,
  .sec-wrap-thin {
    --padding: 50px;
  }

  .copyright.page-copyright .contact-wrap {
    flex-direction: column;
    gap: 0;
  }

  .section-io-7 .table-wrap {
    overflow-x: auto;
    padding-bottom: 10px;
  }

  .section-io-7 table {
    width: 150%;
  }
}

@media (max-width: 576px) {
  header {
    padding: 0;
    top: 0;
    background-color: #fff;
  }

  .header-wrap {
    margin: 0 20px;
    height: var(--header-h);
  }

  header .logo {
    height: 100%;
  }

  header .logo img {
    height: calc(100% - 20px);
  }

  .sec1 .product-intro .left,
  .sec1 .product-intro .right {
    padding-top: 25%;
  }

  .sec1 .product-intro .left .title {
    width: 100%;
    left: 0;
    text-align: center;
  }

  .sec1 .product-intro .left .product-img {
    bottom: 15%;
    right: 30%;
  }

  .sec1 .product-intro .right .title {
    width: 100%;
    top: 5%;
    color: #000;
    text-align: center;
    right: 0;
  }

  .sec1 .product-intro .right .product-img {
    width: 66%;
    top: 43%;
    left: 25%;
  }

  .sec1 .product-intro .middle {
    top: 62%;
  }

  .sec1 .product-para .para-wrap {
    gap: 20px;
  }

  .sec1 .product-para .para-wrap img {
    width: calc((100% - 40px) / 3);
  }

  .sec1 .product-logo {
    top: 62%;
  }

  .sec1 .product-para {
    margin-top: 0;
    padding: 0 15%;
  }

  .sec2 .item span {
    bottom: -18px;
    left: 0;
    color: #000;
  }

  .banner .sec-bg {
    width: 130%;
  }

  .sec3 .pic {
    width: 80%;
    margin: 0 auto;
  }

  .sec4 .item .pic {
    width: 100%;
  }

  .sec1 .sec-tips,
  .sec4 .sec-tips {
    font-size: 12px;
  }
}