*,
*::before,
*::after {
  box-sizing: border-box;
}


img {
  max-width: 100%;
  height: auto;
}


@media only screen and (max-width: 640px) {

  
  body .side_nav {
    position: fixed !important;
    top: 0;
    left: 0;
    height: 100% !important;
    width: 80vw !important;
    
    max-width: 300px !important;
    transform: translateX(-100%) !important;
    -webkit-transform: translateX(-100%) !important;
    transition: transform 0.3s ease !important;
    z-index: 10000 !important;
    overflow-y: auto;
    background: #202121;
  }

  
  body.open-menu .side_nav {
    transform: translateX(0) !important;
    -webkit-transform: translateX(0) !important;
  }

  
  body.open-menu .layadmin-body-shade {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0, 0, 0, 0.55) !important;
    z-index: 9999 !important;
    
    -webkit-transform: none !important;
    transform: none !important;
    transition: opacity 0.3s ease !important;
  }

  
  body.open-menu>header,
  body.open-menu>main {
    -webkit-transform: none !important;
    transform: none !important;
  }

  
  body.open-menu {
    overflow: hidden !important;
  }

  
  .side_nav .layui-nav-tree {
    padding-top: 60px;
    
  }

  .side_nav .layui-nav .layui-nav-item {
    line-height: normal !important;
    padding: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }

  .side_nav .layui-nav .layui-nav-item>a,
  .side_nav .layui-nav .layui-nav-item>p>a {
    display: block !important;
    padding: 14px 20px !important;
    font-size: 15px !important;
    line-height: 1.5 !important;
    white-space: normal !important;
    word-break: break-word !important;
    color: #f0f0f0 !important;
  }

  .side_nav .layui-nav .layui-nav-item.layui-this>a,
  .side_nav .layui-nav .layui-nav-item.layui-this>p>a {
    color: #fff !important;
    background: rgba(35, 76, 106, 0.8) !important;
  }

  
  header {
    z-index: 1000 !important;
  }
}




@media (max-width: 768px) {
  .banner .content {
    width: 90% !important;
    max-width: 100% !important;
    padding: 10px 5px !important;
    box-sizing: border-box !important;
  }

  .banner .content .title,
  .banner_title {
    font-size: clamp(14px, 4vw, 22px) !important;
    line-height: 1.4 !important;
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    margin-bottom: 8px !important;
  }

  .banner .content .ms,
  .banner_desc {
    font-size: clamp(12px, 3.2vw, 16px) !important;
    line-height: 1.6 !important;
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    margin: 0 0 10px !important;
  }

  
  .banner {
    height: auto !important;
    min-height: 18rem !important;
  }

  
  .page_banner {
    height: auto !important;
    min-height: 200px !important;
    padding: 60px 0 40px !important;
  }

  .page_banner_main {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    width: 90% !important;
    margin: 0 auto !important;
    padding: 20px 0 !important;
  }

  .page_banner_main .title {
    font-size: clamp(18px, 5vw, 28px) !important;
    line-height: 1.4 !important;
    white-space: normal !important;
    word-break: break-word !important;
  }

  .page_banner_main .title p,
  .page_banner_main .title span {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page_banner_main .desc {
    font-size: clamp(13px, 3.5vw, 18px) !important;
    line-height: 1.6 !important;
    white-space: normal !important;
    word-break: break-word !important;
    margin: 10px 0 !important;
  }

  .page_banner_main .layui-btn {
    white-space: normal !important;
    height: auto !important;
    min-height: 44px !important;
    line-height: 1.4 !important;
    padding: 12px 20px !important;
    word-break: break-word !important;
    margin-top: 15px !important;
  }

  
  .page_common_title,
  .home_page_common_title {
    font-size: clamp(18px, 5vw, 28px) !important;
    line-height: 1.4 !important;
    margin: 1.5rem auto !important;
    white-space: normal !important;
    word-break: break-word !important;
    padding: 0 15px !important;
  }

  .page_common_desc {
    font-size: clamp(13px, 3.5vw, 18px) !important;
    line-height: 1.6 !important;
    padding: 0 15px !important;
    white-space: normal !important;
    word-break: break-word !important;
  }

  
  main {
    overflow-x: hidden !important;
  }

  
  .features {
    margin-top: 20px !important;
  }

  .hero-buttons {
    margin-bottom: 20px !important;
  }

  
  .i_banner_tags_item_title img {
    margin-right: 0 !important;
    margin-bottom: 5px !important;
  }

  .i_banner_tags_item_title {
    text-align: center !important;
  }
}




@media (max-width: 768px) {
  .list {
    flex-direction: column !important;
    width: 95% !important;
    gap: 15px !important;
  }

  .cg_item {
    width: 100% !important;
    margin-bottom: 15px !important;
  }

  
  .item-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 4px !important;
    padding: 8px 0 !important;
  }

  .item-col-100 {
    grid-column: span 2 !important;
  }

  .item-col-50 {
    grid-column: span 1 !important;
  }

  .item-row-name,
  .item-row-desc {
    font-size: 13px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  
  .s-5090-table {
    width: 100% !important;
    overflow-x: auto !important;
  }

  .s-5090-tr {
    flex-direction: column !important;
    gap: 4px !important;
  }

  .s-5090-table-title {
    width: 100% !important;
    text-align: left !important;
    padding: 8px 10px !important;
    font-size: 14px !important;
  }

  .s-5090-table-col {
    width: 100% !important;
    padding: 10px !important;
    text-align: left !important;
    font-size: 13px !important;
  }

  
  .s-5090-card {
    width: 100% !important;
    min-height: 250px !important;
    border-radius: 10px !important;
    padding: 20px !important;
  }

  .s-5090-card-content {
    width: 100% !important;
  }

  .s-5090-card-title {
    font-size: 20px !important;
  }

  
  .server-dingzhi {
    flex-direction: column !important;
    width: 95% !important;
  }

  .server-dingzhi img {
    width: 100% !important;
    max-width: 100% !important;
  }

  
  table {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  td,
  th {
    min-width: 80px;
    white-space: nowrap;
    word-break: keep-all;
  }

  
  .ServerRental .box2 .content .layui-tab-content .layui-tab-item .table {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
}



@media (max-width: 768px) {

  
  .wrap {
    width: 95% !important;
    max-width: 100% !important;
    padding: 0 10px !important;
  }

  
  section,
  .section,
  main>div,
  article {
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  
  .layui-col-xs12 {
    width: 100% !important;
  }

  
  .dropdown-product-container {
    flex-direction: column !important;
  }

  .dropdown-product-wrapper-bottom {
    width: 100% !important;
    max-width: 100% !important;
    padding: 20px !important;
    font-size: 18px !important;
  }

  .dropdown-product-search-content {
    padding: 15px !important;
  }

  .dropdown-product-search-content-item {
    width: 100% !important;
    margin-right: 0 !important;
  }

  
  .btn {
    font-size: 15px !important;
    padding: 10px 25px !important;
    width: auto !important;
    display: inline-block !important;
  }

  
  .item-title {
    font-size: 18px !important;
  }

  .item-sub-title {
    font-size: 15px !important;
    margin-bottom: 12px !important;
  }
}


@media (max-width: 390px) {
  .side_nav {
    width: 90vw !important;
    max-width: 280px !important;
  }

  .banner .content .title,
  .banner_title {
    font-size: 14px !important;
  }

  .banner .content .ms,
  .banner_desc {
    font-size: 12px !important;
  }

  .page_banner_main .title {
    font-size: 16px !important;
  }
}



@media (max-width: 768px) {

  
  .feature-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
    background: transparent !important;
  }

  .feature-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    padding: 15px 10px !important;
    border-right: none !important;
    min-height: auto !important;
    min-width: 0 !important;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  }

  .feature-icon {
    position: static !important;
    width: 40px !important;
    height: 40px !important;
    margin: 0 auto 10px !important;
    transform: none !important;
  }

  .feature-content {
    min-width: 0 !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
  }

  .feature-title {
    font-size: clamp(13px, 3.5vw, 16px) !important;
    white-space: normal !important;
    margin-bottom: 5px !important;
    line-height: 1.3 !important;
  }

  .feature-price {
    font-size: clamp(12px, 3vw, 14px) !important;
    white-space: normal !important;
  }

  .feature-desc {
    display: block !important;
    margin-top: 4px !important;
    font-size: clamp(11px, 2.5vw, 13px) !important;
    color: #666 !important;
  }

  .feature-arrow {
    display: none !important;
  }

  
  .baremetal_list {
    flex-direction: column !important;
    width: 95% !important;
  }

  .baremetal_item {
    max-width: 100% !important;
    flex: 0 0 100% !important;
    margin: 10px 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .baremetal_header {
    height: auto !important;
    padding: 12px 10px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }

  .baremetal_item .item_kucun {
    position: static !important;
    max-width: 100% !important;
    font-size: 13px !important;
    padding: 4px 8px !important;
    border-radius: 4px !important;
    text-align: left !important;
    word-break: break-word !important;
  }

  .baremetal_item .item_title {
    font-size: 18px !important;
    margin-bottom: 12px !important;
    line-height: 1.4 !important;
  }

  .baremetal_item .item_tags .tag_item {
    white-space: normal !important;
    display: inline-block !important;
    margin-bottom: 6px !important;
  }

  .baremetal_item .item_p {
    margin-bottom: 12px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
  }

  .baremetal_item .item_p_name,
  .baremetal_item .item_p_value {
    font-size: 14px !important;
    word-break: break-word !important;
  }

  .baremetal_item .item_btn {
    width: 100% !important;
    text-align: center !important;
    margin-top: 15px !important;
    padding: 12px 15px !important;
  }
}

@media (max-width: 768px) {

  
  .advantages-grid {
    grid-template-columns: 1fr !important;
  }

  .advantage-card {
    padding: 20px !important;
  }

  
  .case-content-box {
    flex-direction: column !important;
  }

  .case-content {
    margin: 10px 0 !important;
  }

  .cases-tabs {
    max-width: 100% !important;
    flex-wrap: wrap !important;
  }

  
  .product-grid {
    grid-template-columns: 1fr !important;
  }

  .carnival-section .product-grid {
    grid-template-columns: 1fr !important;
  }

  
  .ai-recommendation {
    height: auto !important;
    min-height: 180px !important;
    padding: 20px 0 !important;
  }

  .ai-rec-content {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 15px !important;
  }

  .ai-rec-center {
    flex-wrap: wrap !important;
    gap: 10px !important;
  }
}


.hero-title {
  text-decoration: underline !important;
}

@media screen and (max-width: 768px) {

  
  #gpu_weixiu_btn_list {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    justify-content: center !important;
  }

  #gpu_weixiu_btn_list .gpu_weixiu_btn {
    margin: 0 !important;
    flex: 1 1 calc(50% - 10px) !important;
    white-space: normal !important;
    height: auto !important;
    padding: 10px !important;
    line-height: 1.4 !important;
  }

  
  .server-5090 {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    display: block !important;
    width: 100% !important;
    padding-bottom: 10px !important;
  }

  .s-5090-th,
  .s-5090-tr {
    min-width: 500px !important;
  }

  
  .server-dingzhi {
    display: flex !important;
    flex-direction: column !important;
    gap: 15px !important;
  }

  .server-dingzhi img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    display: block !important;
  }
}

@media screen and (max-width: 768px) {

  
  @media screen and (max-width: 768px) {
    * {
      box-sizing: border-box !important;
    }

    body,
    html {
      margin: 0 !important;
      padding: 0 !important;
    }

    .i_banner,
    .banner_swiper,
    .i_banner_tags {
      margin: 0 !important;
      padding: 0 !important;
    }

    .i_banner {
      display: block !important;
      height: auto !important;
      background-color: transparent !important;
    }

    .banner_swiper,
    .banner_swiper .swiper-wrapper {
      height: auto !important;
    }

    .banner_swiper {
      position: relative !important;
    }

    .i_banner .swiper-slide {
      position: relative !important;
      display: block !important;
      padding: 0 !important;
      height: auto !important;
      background-color: transparent !important;
    }

    
    .i_banner .swiper-slide img {
      display: block !important;
      width: 100% !important;
      height: auto !important;
      aspect-ratio: auto !important;
      object-fit: contain !important;
      margin: 0 !important;
    }

    
    .i_banner .banner_text {
      position: absolute !important;
      left: 5% !important;
      top: 50% !important;
      transform: translateY(-50%) !important;
      width: 90% !important;
      max-width: 90% !important;
      background: transparent !important;
      padding: 0 !important;
      box-sizing: border-box !important;
      text-align: left !important;
      display: flex !important;
      flex-direction: column !important;
      justify-content: center !important;
      align-items: flex-start !important;
      margin: 0 !important;
      z-index: 10 !important;
    }

    .i_banner .banner_text h1,
    .i_banner .banner_text h2,
    .i_banner .banner_text h3,
    .i_banner .banner_text h4,
    .i_banner .banner_text h5,
    .i_banner .banner_text h6,
    .i_banner .banner_text p,
    .i_banner .banner_text ul {
      margin: 0 !important;
      color: #fff !important;
      
    }

    .i_banner .banner_text .banner_title {
      margin-bottom: 8px !important;
      font-size: 18px !important;
      font-weight: bold !important;
      line-height: 1.2 !important;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
      
    }

    .i_banner .banner_text .banner_desc {
      font-size: 13px !important;
      line-height: 1.4 !important;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
    }

    
    .i_banner .banner_text .layui-btn {
      display: none !important;
    }

    
    .i_banner_tags {
      position: static !important;
      transform: none !important;
      width: 100% !important;
      background: #1f1f1f !important;
      padding: 16px 0 !important;
      display: flex !important;
      justify-content: space-around !important;
      align-items: flex-start !important;
    }

    .i_banner_tags_item {
      display: flex !important;
      flex-direction: column !important;
      align-items: center !important;
      justify-content: flex-start !important;
      gap: 6px !important;
      width: 33% !important;
      padding: 0 !important;
    }

    .i_banner_tags_item_title {
      display: flex !important;
      flex-direction: column !important;
      align-items: center !important;
      gap: 6px !important;
      text-align: center !important;
      width: 100% !important;
    }

    .i_banner_tags_item_title img {
      margin: 0 !important;
      display: block !important;
    }

    .i_banner_tags_item_title span {
      white-space: normal !important;
      text-align: center !important;
      line-height: 1.2 !important;
      color: #fff !important;
    }

    
    .i_banner .swiper-pagination {
      position: absolute !important;
      bottom: 15px !important;
      left: 0 !important;
      width: 100% !important;
      z-index: 20 !important;
      text-align: center !important;
      transform: none !important;
    }

    .i_banner .swiper-pagination-bullet {
      background: rgba(255, 255, 255, 0.5) !important;
      opacity: 1 !important;
      width: 8px !important;
      height: 8px !important;
      margin: 0 4px !important;
      display: inline-block !important;
      border-radius: 50% !important;
    }

    .i_banner .swiper-pagination-bullet-active {
      background: #007bff !important;
      opacity: 1 !important;
    }
  }
}

/* ===== SIMPLE CENTERED FOOTER ===== */
footer {
  background: #191b1f;
  overflow: hidden;
  padding: 0;
}

.footer_box,
.footer_left,
.footer_center,
.footer_right,
.footer_contact,
.footer_top {
  display: none !important;
}

.footer_simple_inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 32px 24px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.footer_simple_logo {
  margin-bottom: 18px;
}

.footer_simple_logo img {
  height: 48px;
  display: block;
  margin: 0 auto;
}

.footer_simple_desc {
  color: #8b8e91;
  font-size: 14px;
  line-height: 1.7;
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
}

.footer_bottom {
  color: #7c7e82;
  text-align: center;
  padding: 16px 32px;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin: 0;
  line-height: 1.5;
}

.footer_bottom p {
  font-size: 12px;
  color: #7c7e82;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* Footer responsive: allow wrapping on very small screens but keep centered */
@media (max-width: 480px) {
  .footer_bottom p {
    white-space: normal;
    font-size: 11px;
  }
  .footer_simple_inner {
    padding: 36px 20px 20px;
  }
}

/* ===== CONTACT US NAV BUTTON ===== */
/* Desktop nav */
.contact-us-nav-item > a {
  color: #e74c3c !important;
  font-weight: 600 !important;
  border: 1.5px solid #e74c3c !important;
  border-radius: 4px !important;
  padding: 4px 14px !important;
  margin-left: 8px !important;
  transition: background 0.2s, color 0.2s !important;
}

.contact-us-nav-item > a:hover {
  background: #e74c3c !important;
  color: #fff !important;
}

/* Mobile nav */
.layui-nav-tree .contact-us-nav-item > a {
  color: #e74c3c !important;
  font-weight: 600 !important;
  border-left: 3px solid #e74c3c !important;
  margin-left: 0 !important;
  padding: 12px 16px !important;
  border-radius: 0 !important;
  border-top: none !important;
  border-right: none !important;
  border-bottom: none !important;
}