body,
html {
  width: 100%;
  height: 100%;
}

* {
  margin: 0;
  padding: 0;
}

.main {
  box-sizing: border-box;
  width: 100%;
  height: 90%;
  /* padding-bottom: 110px; */
}

.goTop {
  width: 100px;
  height: 32px;
  cursor: pointer;
  background-color: #f5821f;
  color: white;
  text-align: center;
  line-height: 32px;
  position: fixed;
  bottom: 100px;
  right: 0;
  border-top-left-radius: 16px;
  border-bottom-left-radius: 16px;
  display: none;
}

a {
  text-decoration: none;
}

.banner {
  width: 80%;
  height: 77%;
  margin: 0 auto;
  margin-bottom: -120px;
}

.allMenu,
.firstMenu,
.secondMenu,
.show {
  width: 100%;
  min-height: 40px;
  justify-content: flex-start;
  align-items: flex-start;
  font-size: 1.2rem;
}

.allMenu {
  text-indent: 28px;
}

.firstMenu {
  text-indent: 45px;
}

.type,
#type1,
#type2,
#type3,
#type4 {
  width: 100px;
  flex-direction: column;
}

.machine,
.sys {
  min-height: 5%;
  max-height: 12%;
  line-height: 40px;
}

.machine:hover {
  background-color: #16baaa;
}

.sys:hover {
  background-color: #16baaa;
}

.allMenu li:hover {
  background-color: #16baaa;
}

.label-1,
.label-2,
.label-3 {
  width: 100%;
  min-height: 40px;
  font-size: 1rem;
  justify-content: flex-start;
  align-items: center;
}

.label-1 li {
  height: 40px;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.label-1::-webkit-scrollbar {
  display: none;
}

.label-2::-webkit-scrollbar {
  display: none;
}

.label-3::-webkit-scrollbar {
  display: none;
}

li {
  list-style: none;
}

.menu {
  margin: 1rem 0;
}

.menu li {
  box-sizing: border-box;
  margin: 0 0.1rem;
  padding: 0 10px;
  border-radius: 2px;
  cursor: pointer;
  font-size: 1rem;
  white-space: nowrap;
  height: 32px;
  line-height: 30px;
}

#chosen-select {
  margin: auto;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  height: 34px;
  font-size: 14px;
  line-height: 1.42857143;
  color: #555;
  background-color: #fff;
  background-image: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
}

.header {
  border-bottom: 1px solid #ededed;
  height: 80px;
  line-height: 80px;
}

.header ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-size: 0.9rem;
}

.header-right {
  display: flex;
  justify-content: space-evenly;
  align-content: center;
}

.header-right span {
  padding: 6px 10px;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.iconSearch {
  color: #fff;
  font-size: 20px;
}

.labelInput input {
  width: 15rem;
  padding: 0.5rem;
  border: 2px solid #f5821f;
  border-bottom-left-radius: 10px;
  border-top-left-radius: 10px;
  float: left;
}

.btn {
  width: 3.5rem;
  height: 2.25rem;
  float: left;
  border: 2px solid #f5821f;
  border-bottom-right-radius: 10px;
  border-top-right-radius: 10px;
  background-color: #f5821f;
  cursor: pointer;
}

.top {
  border-bottom: 1px solid #cecece;
}

.top ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-left: 16px;
}

.keywords {
  width: 18.75rem;
  height: 2.5rem;
  display: flex;
  justify-content: flex-start;
}

.keywords h5 {
  font-size: 1rem;
  margin-top: 0.5rem;
}

.ex {
  font-size: 0.8rem;
}

.ex li {
  margin-left: 0.3rem;
}

footer {
  width: 100%;
  height: 10%;
  text-align: center;
}

.footer-top ul {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-top ul li {
  margin: 8px 1rem;
}

.footer-top ul li a {
  color: black;
}

.footer-bottom ul {
  font-size: 1rem;
  margin-bottom: 1rem;
}

#pdfContent,
#mediaContent {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  text-align: center;
  align-items: flex-start;
  align-content: flex-start;
}

.content {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  flex-wrap: wrap;
  text-align: center;
  align-items: flex-start;
  align-content: flex-start;
}

.videolist {
  position: relative;
  /* background-image: url(./img/play.png);
  background-size: cover; */
  background-color: black;
  width: 195px;
  height: 150px;
  border: 1px solid #cecece;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
  margin-left: 2.5rem;
  margin-top: 0.5rem;
}

.videolistPdf {
  position: relative;
  /* background-image: url(./img/play.png);
  background-size: cover; */
  background-color: black;
  width: 195px;
  height: 150px;
  border: 1px solid #cecece;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
  margin-left: 2.5rem;
  margin-top: 0.5rem;
}

.videolist:hover {
  cursor: pointer;
}

.vclose {
  position: absolute;
  right: 1%;
  top: 1%;
  border-radius: 100%;
  cursor: pointer;
}

.videoed {
  display: none;
  width: 50px;
  height: 50px;
  position: absolute;
  left: 45%;
  top: 45%;
  z-index: 99;
  border-radius: 100%;
}

.videos {
  display: none;
  width: 100%;
  height: 100%;
  border: 1px solid #080808;
  background-color: #555555de;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
}

.video_content {
  background-color: black;
  position: absolute;
  top: 20%;
  left: 20%;
}

.vtit {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* -webkit-line-clamp: 3; */
  width: 100%;
  height: 66px;
  position: absolute;
  bottom: -80px;
  /* white-space: nowrap; */
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 16px;
}

.machine_btn {
  width: 100%;
  min-height: 40px;
  max-height: 80px;
  line-height: 40px;
  position: relative;
  display: none;
  flex-direction: column;
  box-sizing: border-box;
  text-indent: 16px;
  cursor: pointer;
}

.machine_btn::after {
  position: absolute;
  top: 12px;
  right: 20px;
  content: "";
  display: inline-block;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid white;
}

.machine_btn:hover {
  background-color: #384e57;
}

.top {
  position: relative;
}

.downloadFile {
  position: absolute;
  right: -100px;
  top: 5px;
  cursor: pointer;
}

.menuhide {
  display: none;
}

/* 遮罩层 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  z-index: 1;
}

/* 弹窗 */
.modal-content {
  position: fixed;
  top: 30%;
  left: 65%;
  margin-left: -25%;
  width: 10%;
  height: 25%;
  min-width: 20rem;
  min-height: 12rem;
  border-radius: 0.125rem;
  background-color: white;
  z-index: 2;
}

.modal-body {
  position: relative;
  width: 100%;
  height: 100%;
}

.mb_revise {
  display: flex;
  flex-direction: column;
  /*align-items: center;*/
  padding: 0.625rem 0 0 1.5625rem;
}

.mb_revise p {
  margin-top: 3.5rem;
  margin-left: 20%;
}

.cancen {
  position: absolute;
  background-color: #f5821f;
  right: 2rem;
  bottom: 2rem;
  width: 3.625rem;
  height: 2.1875rem;
  color: #fff;
  border: 0;
  outline: none;
  box-shadow: 0 0.125rem 0.125rem rgb(107, 96, 96);
  cursor: pointer;
}

.en {
  content: url(./logo/en/logo.png);
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.openMenu {
  position: absolute;
  top: 10px;
  right: 280px;
  content: "";
  display: inline-block;
  border-top: 6px solid white;
  border-bottom: 6px solid transparent;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
}

.dis {
  display: none;
}

::-webkit-scrollbar {
  display: none;
}

#mediaContent {
  overflow-y: scroll;
}

#supportDiv li {
  min-height: 40px;
  line-height: 40px;
  text-indent: 28px;
}

#supportDiv {
  display: flex;
  flex-direction: column;
}

#supportDiv .item:hover {
  background-color: #384e57;
}

#supportDiv .itemChild:hover {
  background-color: #384e57;
}

.machines {
  height: 100%;
  display: flex;
  justify-content: start;
  background-color: #f2f2f2;
}

#left {
  min-width: 15%;
  max-width: 20%;
  height: 100%;
  background-color: rgb(34, 45, 50);
  color: white;
  overflow-y: scroll;
  overflow-x: scroll;
}

#right {
  width: 60%;
  height: 100%;
  overflow-y: scroll;
  box-sizing: border-box;
  margin-left: 10%;
}

#matter,
#process {
  width: 100%;
  margin-top: 3px;
  min-height: 100px;
  border: 1px solid #cecece;
  border-radius: 5px;
  padding-top: 2px;
  font-family: KaiTi;
}

#pdfContent {
  width: 100%;
  margin-top: 3px;
  min-height: 100px;
  border: 1px solid #cecece;
  border-radius: 5px;
}

#mediaContent {
  width: 100%;
  margin-top: 3px;
  min-height: 100px;
  border: 1px solid #cecece;
  border-radius: 5px;
}

#supportContent {
  width: 100%;
  margin-top: 3px;
  min-height: 100px;
  border: 1px solid #cecece;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
}

@media screen and (min-width: 320px) and (max-width: 1156px) {
  .banner {
    width: 100%;
  }

  .machines {
    height: 90%;
    justify-content: flex-start !important;
  }

  #left {
    min-width: 150px !important;
  }

  #right {
    width: 220px !important;
    margin-left: 10px !important;
  }

  .machine_btn {
    margin-left: 0 !important;
    padding: 0 !important;
    height: 48px;
    line-height: 48px;
    text-indent: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  h3 {
    font-size: 16px;
  }

  .machine_btn::after {
    top: 20px !important;
  }

  .machine,
  .sys {
    width: 100% !important;
    font-size: 14px;
  }

  .header {
    line-height: normal;
  }

  .header ul {
    width: 100%;
    height: 100%;
    font-size: 12px;
  }

  .header-left {
    width: 40%;
    margin-left: 0.5rem;
  }

  .header-right {
    width: 60%;
  }

  .header-right span:last-of-type {
    display: none;
  }

  .topul {
    flex-direction: column;
  }

  .allMenu,
  .firstMenu,
  .secondMenu,
  .show {
    width: 100%;
    /* margin-left: 16px; */
  }

  .label-1,
  .label-2 {
    font-size: 12px;
  }

  .allMenu h5,
  .firstMenu h5,
  .secondMenu h5 {
    white-space: nowrap;
  }

  .labelInput input {
    width: 12rem;
  }

  .btn {
    height: 2.2rem;
  }

  .downloadFile {
    width: 3rem;
    height: 3rem;
    right: -30px;
    top: 9.5rem;
    /* display: none; */
  }

  .content {
    justify-content: space-between;
  }

  .videolist {
    width: 80px;
    height: 60px;
    margin-left: 1rem;
    flex-direction: row;
  }

  .vtit {
    bottom: -70px;
    font-size: 12px;
  }

  .videolist img {
    width: 1.5rem !important;
    height: 1.5rem !important;
    top: 26% !important;
    left: 38% !important;
  }

  .videos {
    z-index: 100;
    border: none;
  }

  /* #video {
    width: 60% !important;
    height: 60% !important;
  } */

  /* .vclose {
    top: 18%;
  } */

  .pdf {
    width: 120px !important;
    height: 90px !important;
  }

  .videolistPdf {
    width: 60px;
    height: 70px;
    margin-left: 1rem;
    flex-direction: row;
  }

  .videolistPdf img {
    width: 60px !important;
    height: 70px !important;
  }

  .footer-bottom li {
    font-size: 12px;
  }
}

.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: #009688;
  color: white;
  border-radius: 4px;
}

.mobile-menu-btn1 {
  display: none;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: #009688;
  color: white;
  border-radius: 4px;
}

/* 移动端适配 */
/* 响应式断点适配 */
@media screen and (max-width: 768px) {

  /* 移动端显示菜单按钮 */
  .mobile-menu-btn {
    display: block;
  }

  .mobile-menu-btn1 {
    display: block;
  }

  /* 侧边栏默认隐藏 */
  .layui-side {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  /* 显示侧边栏 */
  .layui-side.show {
    transform: translateX(0);
  }

  /* 调整主内容区边距 */
  .layui-body {
    left: 0 !important;
  }

  /* 调整栅格布局在移动端的表现 */
  .layui-col-xs12 {
    width: 100% !important;
  }

  /* 按钮在移动端占满宽度 */
  .layui-btn-mobile-block {
    display: block;
    width: 100%;
    margin-bottom: 10px;
  }

  .layui-hide-xs {
    display: block !important;
    width: 100% !important;
  }
}

/* ==============================
   左侧目录 + 安卓端内容区最终优化补丁
   追加日期：2026-03-16
   说明：直接放在 main.css 最底部即可覆盖原样式
   ============================== */

#left {
  min-width: 280px;
  max-width: 320px;
  padding: 12px 10px;
  box-sizing: border-box;
  background: linear-gradient(180deg, #223238 0%, #1f2b30 100%);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

#left::-webkit-scrollbar {
  display: block;
  width: 6px;
  height: 6px;
}

#left::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

#left>div {
  margin-bottom: 8px;
}

#left .type,
#left #supportDiv,
#left [class^="machinemenu_"],
#left [class^="sysmenu_"],
#left [class*=" machinemenu_"],
#left [class*=" sysmenu_"] {
  width: 100% !important;
  box-sizing: border-box;
}

#left .allMenu,
#left .firstMenu,
#left .secondMenu,
#left .show {
  width: 100%;
  min-height: auto;
  text-indent: 0;
  font-size: inherit;
}

#left .label-1,
#left .label-2,
#left .label-3,
#left .type,
#left #supportDiv {
  margin: 0;
  padding: 0;
}

#left .machine_btn,
#left .machine,
#left .sys,
#left .label-1 li,
#left .label-2 li,
#left .label-3 li,
#left #supportDiv .item,
#left #supportDiv .itemChild {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  border-radius: 10px;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

#left .machine_btn {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 38px 12px 14px;
  text-indent: 0;
  line-height: 22px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#left .machine_btn::after {
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.8;
}

#left .machine_btn.mainClick::after,
#left .machine_btn.bg::after {
  transform: translateY(-50%) rotate(90deg);
}

#left .machine,
#left .sys {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  min-height: 40px !important;
  margin-top: 4px;
  padding: 10px 14px 10px 18px !important;
  text-indent: 0 !important;
  line-height: 1.45 !important;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
  -webkit-line-clamp: 2;
}

#left .label-1 li {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  min-height: 44px !important;
  height: auto !important;
  padding: 10px 14px 10px 18px !important;
  text-indent: 0 !important;
  line-height: 1.45 !important;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  text-align: left !important;
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
  -webkit-line-clamp: 2;
}

#left .label-2 li,
#left .label-3 li {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  min-height: 42px !important;
  height: auto !important;
  padding: 10px 14px 10px 34px !important;
  text-indent: 0 !important;
  line-height: 1.45 !important;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  text-align: left !important;
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
  -webkit-line-clamp: 2;
}

#left #supportDiv {
  margin-top: 6px;
}

#left #supportDiv li,
#left #supportDiv .item,
#left #supportDiv .itemChild {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  min-height: 42px !important;
  height: auto !important;
  line-height: 1.45 !important;
  text-indent: 0 !important;
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
  -webkit-line-clamp: 2;
}

#left #supportDiv .item {
  padding: 10px 14px 10px 18px !important;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}

#left #supportDiv .itemChild {
  padding: 10px 14px 10px 34px !important;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
}

#left .machine_btn:hover,
#left .machine:hover,
#left .sys:hover,
#left .label-1 li:hover,
#left .label-2 li:hover,
#left .label-3 li:hover,
#left #supportDiv .item:hover,
#left #supportDiv .itemChild:hover {
  background: rgba(22, 186, 170, 0.14);
  color: #ffffff;
  transform: translateX(2px);
}

#left .machine_btn.mainClick,
#left .bg,
#left .lastClick {
  background: linear-gradient(90deg, rgba(22, 186, 170, 0.96) 0%, rgba(22, 186, 170, 0.72) 100%);
  color: #ffffff !important;
  box-shadow: 0 8px 18px rgba(22, 186, 170, 0.18);
}

#left .machine_btn.mainClick::before,
#left .bg::before,
#left .lastClick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 999px;
  background: #ffffff;
}

#left .allMenu>div,
#left .firstMenu+.firstMenu,
#left #supportDiv>li+li {
  margin-top: 4px;
}

/* 右侧内容区基础优化 */
#right {
  width: min(960px, calc(100% - 360px));
  min-width: 0;
  margin-left: 24px;
  padding: 10px 0 24px;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
}

#con {
  margin: 0 !important;
  padding: 0 4px 16px;
}

#con>div {
  width: 100% !important;
  margin-top: 18px !important;
}

#con>div h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: #223238;
}

#matter,
#process,
#pdfContent,
#mediaContent,
#supportContent {
  width: 100%;
  margin-top: 0;
  min-height: 100px;
  border: 1px solid #e5e8eb;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(27, 39, 51, 0.05);
}

#matter,
#process {
  padding: 16px 18px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.8;
  color: #2b3a42;
  word-break: break-word;
}

#process p,
#matter p,
#process li,
#matter li {
  line-height: 1.8;
}

#pdfContent,
#mediaContent {
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  align-content: stretch;
  flex-wrap: wrap;
  gap: 14px;
  padding: 14px;
  text-align: left;
}

#mediaContent {
  overflow-y: visible;
}

.videolist,
.videolistPdf {
  position: relative;
  width: calc(33.333% - 10px);
  min-width: 200px;
  max-width: 260px;
  height: 164px;
  margin: 0;
  border: 1px solid #e5e8eb;
  border-radius: 14px;
  background: linear-gradient(180deg, #1d1d1d 0%, #343434 100%);
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.videolist:hover,
.videolistPdf:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.videolist img,
.videolistPdf img {
  object-fit: contain;
}

.vtit {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  width: calc(100% - 20px);
  min-height: 40px;
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.55) 100%);
  padding-top: 18px;
}

#supportContent {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 10px;
  padding: 14px;
}

.supportlist {
  width: 100%;
}

.supportlist a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #f7f9fb;
  color: #20333b;
  border: 1px solid #e6ebf0;
  word-break: break-all;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.supportlist a:hover {
  background: #eef8f7;
  transform: translateX(2px);
}

.videos {
  backdrop-filter: blur(2px);
}

.video_content {
  background-color: #000;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(78vw, 960px) !important;
  height: min(72vh, 640px) !important;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
}

.vclose {
  right: 10px;
  top: 10px;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 触控与滚动优化 */
html,
body {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

#left,
#right,
#mediaContent,
#pdfContent,
#supportContent {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#left .machine_btn,
#left .machine,
#left .sys,
#left .label-1 li,
#left .label-2 li,
#left .label-3 li,
#left #supportDiv .item,
#left #supportDiv .itemChild,
.videolist,
.videolistPdf,
.supportlist a {
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

@media screen and (max-width: 1156px) {
  #left {
    min-width: 240px !important;
    max-width: 240px !important;
    padding: 8px 6px;
  }

  #right {
    width: calc(100% - 260px);
    margin-left: 16px !important;
  }

  #left .machine_btn {
    min-height: 44px;
    padding: 10px 34px 10px 12px;
    font-size: 13px;
  }

  #left .machine,
  #left .sys,
  #left .label-1 li,
  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .item,
  #left #supportDiv .itemChild {
    font-size: 12px;
  }

  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .itemChild {
    padding-left: 28px !important;
  }

  .videolist,
  .videolistPdf {
    width: calc(50% - 8px);
    min-width: 160px;
  }
}

/* 安卓平板 / 大屏手机 */
@media screen and (max-width: 768px) {
  .main {
    height: auto;
    min-height: 100%;
  }

  .banner {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 0 10px 16px;
    box-sizing: border-box;
  }

  .header {
    height: auto;
    line-height: normal;
    padding: 8px 10px;
  }

  .header ul {
    flex-wrap: wrap;
    justify-content: space-between;
    row-gap: 8px;
    font-size: 12px;
  }

  .header-left,
  .header-right {
    width: 100%;
    margin: 0;
  }

  .header-right {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
  }

  .header-right span {
    padding: 0;
    font-size: 12px;
    line-height: 1.4;
  }

  .top ul.topul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-left: 0;
    padding: 10px 0;
  }

  .logo {
    display: flex;
    justify-content: center;
  }

  .labelInput {
    width: 100%;
  }

  .labelInput>div:first-child {
    display: flex;
    width: 100%;
  }

  .labelInput input {
    width: calc(100% - 52px);
    min-width: 0;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .btn {
    width: 52px;
    height: 40px;
  }

  .keywords {
    width: 100%;
    height: auto;
    margin-top: 8px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .keywords h5 {
    margin-top: 0;
    font-size: 13px;
  }

  .ex {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 12px;
  }

  .machines {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 10px;
    background: #f2f2f2;
  }

  #left {
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    max-height: 42vh;
    height: auto;
    padding: 8px;
    border-radius: 12px;
    overflow-y: auto;
    overflow-x: hidden;
  }

  #right {
    width: 100% !important;
    min-width: 0 !important;
    margin-left: 0 !important;
    padding: 0;
    height: auto;
    overflow: visible;
  }

  #con {
    margin: 0 !important;
    padding: 0;
  }

  #con>div {
    margin-top: 12px !important;
  }

  #con>div h3 {
    margin-bottom: 8px;
    padding: 0 2px;
    font-size: 16px;
  }

  #left .machine_btn {
    min-height: 48px;
    max-height: none;
    padding: 12px 38px 12px 12px !important;
    line-height: 24px !important;
    font-size: 14px !important;
    text-indent: 0 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-radius: 10px;
  }

  #left .machine_btn::after {
    top: 50% !important;
    right: 12px !important;
    transform: translateY(-50%);
  }

  #left .machine_btn.mainClick::after,
  #left .machine_btn.bg::after {
    transform: translateY(-50%) rotate(90deg);
  }

  #left .machine,
  #left .sys,
  #left .label-1 li,
  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .item,
  #left #supportDiv .itemChild,
  #supportDiv li {
    min-height: 44px !important;
    height: auto !important;
    line-height: 1.45 !important;
    text-indent: 0 !important;
    white-space: normal !important;
    word-break: break-word;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    border-radius: 10px;
  }

  #left .machine,
  #left .sys,
  #left .label-1 li,
  #left #supportDiv .item {
    padding: 10px 12px !important;
    font-size: 13px !important;
  }

  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .itemChild,
  #supportDiv li {
    padding: 10px 12px 10px 26px !important;
    font-size: 12px !important;
  }

  #matter,
  #process,
  #pdfContent,
  #mediaContent,
  #supportContent {
    min-height: 80px;
    border-radius: 10px;
  }

  #matter,
  #process {
    padding: 14px 14px;
    font-size: 13px;
    line-height: 1.75;
  }

  #pdfContent,
  #mediaContent,
  #supportContent {
    padding: 10px;
  }

  .videolist,
  .videolistPdf {
    width: calc(50% - 6px);
    min-width: 140px;
    max-width: none;
    height: 140px;
    margin: 0;
    border-radius: 12px;
  }

  .videolist img[alt=""],
  .videolistPdf img[alt=""] {
    max-width: 72px;
    max-height: 72px;
  }

  .vtit {
    left: 8px;
    right: 8px;
    bottom: 8px;
    width: auto;
    min-height: 36px;
    font-size: 12px;
    padding-top: 14px;
  }

  .supportlist a {
    min-height: 42px;
    padding: 10px 12px;
    font-size: 12px;
    border-radius: 10px;
  }

  .video_content {
    top: 50%;
    left: 50%;
    width: 92vw !important;
    height: 34vh !important;
    min-height: 220px;
    transform: translate(-50%, -50%);
    border-radius: 12px;
  }

  .goTop {
    width: 72px;
    height: 30px;
    line-height: 30px;
    bottom: 70px;
    font-size: 12px;
  }
}

/* 小屏安卓手机：360 / 375 / 393 / 412 */
@media screen and (max-width: 480px) {
  .banner {
    padding: 0 8px 14px;
  }

  .header {
    padding: 6px 8px;
  }

  .header-right {
    gap: 6px;
  }

  #chosen-select {
    width: 100%;
    height: 36px;
    font-size: 13px;
  }

  .labelInput input {
    height: 38px;
    font-size: 13px;
  }

  .btn {
    width: 48px;
    height: 38px;
  }

  #left {
    max-height: 46vh;
    padding: 6px;
  }

  #left .machine_btn {
    min-height: 46px;
    padding: 11px 34px 11px 10px !important;
    font-size: 13px !important;
  }

  #left .machine,
  #left .sys,
  #left .label-1 li,
  #left #supportDiv .item {
    padding: 9px 10px !important;
    font-size: 12px !important;
  }

  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .itemChild,
  #supportDiv li {
    padding: 9px 10px 9px 22px !important;
    font-size: 12px !important;
  }

  #matter,
  #process {
    padding: 12px;
    font-size: 12px;
  }

  .videolist,
  .videolistPdf {
    width: 100%;
    min-width: 0;
    height: 152px;
  }

  .vtit {
    font-size: 12px;
  }

  .top ul.topul {
    gap: 8px;
  }
}



/* ===== 安卓端目录可收纳（抽屉菜单） ===== */
.mobile-menu-toggle,
.mobile-menu-overlay,
.mobile-menu-close {
  display: none;
}

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

  html.menu-open,
  body.menu-open {
    overflow: hidden;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 10px;
    top: max(10px, env(safe-area-inset-top));
    z-index: 1202;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 12px;
    background: rgba(22, 186, 170, 0.96);
    color: #fff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
  }

  .mobile-menu-toggle:active {
    transform: scale(0.98);
  }

  .mobile-menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1198;
    background: rgba(8, 15, 20, 0.42);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.24s ease, visibility 0.24s ease;
    backdrop-filter: blur(2px);
  }

  .mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-menu-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: max(10px, env(safe-area-inset-top));
    left: min(calc(84vw - 44px), 276px);
    z-index: 1203;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  }

  .machines {
    display: block !important;
    position: relative;
  }

  #left {
    position: fixed !important;
    top: 0;
    left: 0;
    z-index: 1200;
    width: min(84vw, 320px) !important;
    min-width: 0 !important;
    max-width: none !important;
    height: 100vh !important;
    max-height: none !important;
    padding: calc(max(10px, env(safe-area-inset-top)) + 54px) 8px 12px !important;
    margin: 0 !important;
    border-radius: 0 18px 18px 0;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
    pointer-events: auto;
    box-shadow: 14px 0 32px rgba(0, 0, 0, 0.28);
    transform: translateX(-104%);
    transition: transform 0.28s ease;
  }

  #left.is-open {
    transform: translateX(0);
  }

  body.menu-open .mobile-menu-close,
  html.menu-open .mobile-menu-close {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
  }

  #right {
    width: 100% !important;
    margin-left: 0 !important;
    padding-top: 0 !important;
  }

  /* 菜单收纳时，右侧内容保持完整宽度 */
  .banner {
    width: 100% !important;
  }

  /* 给顶部按钮留一点位置，避免遮住标题内容 */
  .machines,
  #right,
  #con {
    position: relative;
  }

  .top,
  .header {
    position: relative;
    z-index: 1;
  }

  #left .machine_btn {
    min-height: 48px;
    padding-left: 12px !important;
    padding-right: 36px !important;
  }

  #left .machine,
  #left .sys,
  #left .label-1 li,
  #left #supportDiv .item {
    min-height: 44px !important;
    padding: 10px 12px !important;
  }

  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .itemChild,
  #supportDiv li {
    min-height: 42px !important;
    padding: 9px 10px 9px 24px !important;
  }

  /* 抽屉打开时弱化右侧点击 */
  body.menu-open #right {
    pointer-events: none;
    user-select: none;
  }

  #left,
  #left * {
    touch-action: pan-y;
  }
}

@media screen and (max-width: 480px) {
  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
    left: 8px;
    top: max(8px, env(safe-area-inset-top));
    border-radius: 11px;
    font-size: 18px;
  }

  #left {
    width: min(88vw, 300px) !important;
    padding: calc(max(8px, env(safe-area-inset-top)) + 44px) 6px 10px !important;
    border-radius: 0 16px 16px 0;
  }

  .mobile-menu-close {
    width: 32px;
    height: 32px;
    font-size: 18px;
    left: min(calc(88vw - 40px), 260px);
  }
}


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

  #left .type,
  #left .allMenu,
  #left .firstMenu,
  #left #supportDiv,
  #left .label-1,
  #left .label-2,
  #left .label-3 {
    overflow: visible !important;
  }
}

:root {
  --menu-bg: linear-gradient(180deg, #223238 0%, #1f2b30 100%);
  --menu-hover: rgba(22, 186, 170, 0.14);
  --menu-active: linear-gradient(90deg, rgba(22, 186, 170, 0.96) 0%, rgba(22, 186, 170, 0.72) 100%);
  --card-border: #e5e8eb;
  --card-bg: #ffffff;
  --card-shadow: 0 6px 18px rgba(27, 39, 51, 0.05);
  --radius-sm: 10px;
  --radius-md: 14px;
  --text-main: #223238;
  --text-sub: #5f6b73;
}

html,
body {
  width: 100%;
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.banner {
  width: min(1440px, 100%);
  margin: 0 auto;
}

.machines {
  display: flex;
  align-items: stretch;
  gap: 24px;
  background: #f2f2f2;
}

#left {
  width: 300px;
  min-width: 300px;
  max-width: 300px;
  padding: 12px 10px;
  background: var(--menu-bg);
  color: #fff;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 0;
  scrollbar-width: thin;
}

#left::-webkit-scrollbar {
  width: 6px;
}

#left::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

#right {
  flex: 1;
  min-width: 0;
  margin-left: 0;
  padding: 10px 0 24px;
  overflow-y: auto;
  overflow-x: hidden;
}

#con {
  margin: 0 !important;
  padding: 0 4px 16px;
}

#con>div {
  width: 100% !important;
  margin-top: 18px !important;
}

#con>div h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text-main);
}

#matter,
#process,
#pdfContent,
#mediaContent,
#supportContent {
  width: 100%;
  margin-top: 0;
  min-height: 100px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
}

#matter,
#process {
  padding: 16px 18px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.8;
  color: #2b3a42;
  word-break: break-word;
}

#pdfContent,
#mediaContent {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: stretch;
  padding: 14px;
  text-align: left;
}

#supportContent {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  align-items: stretch;
}

#left .machine_btn,
#left .machine,
#left .sys,
#left .label-1 li,
#left .label-2 li,
#left .label-3 li,
#left #supportDiv .item,
#left #supportDiv .itemChild {
  position: relative;
  width: 100%;
  border-radius: var(--radius-sm);
  transition: background-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
  text-indent: 0 !important;
  text-align: left;
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
}

#left .machine_btn {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 38px 12px 14px;
  line-height: 1.5;
  font-size: 14px;
  font-weight: 600;
}

#left .machine_btn::after {
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
}

#left .machine_btn.mainClick::after,
#left .machine_btn.bg::after {
  transform: translateY(-50%) rotate(90deg);
}

#left .machine,
#left .sys,
#left .label-1 li,
#left #supportDiv .item {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  min-height: 42px;
  padding: 10px 14px 10px 18px !important;
  line-height: 1.45 !important;
  font-size: 13px;
}

#left .label-2 li,
#left .label-3 li,
#left #supportDiv .itemChild {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  min-height: 40px;
  padding: 9px 14px 9px 34px !important;
  line-height: 1.45 !important;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.84);
}

#left .machine_btn:hover,
#left .machine:hover,
#left .sys:hover,
#left .label-1 li:hover,
#left .label-2 li:hover,
#left .label-3 li:hover,
#left #supportDiv .item:hover,
#left #supportDiv .itemChild:hover {
  background: var(--menu-hover);
  color: #fff;
  transform: translateX(2px);
}

#left .machine_btn.mainClick,
#left .bg,
#left .lastClick {
  background: var(--menu-active);
  color: #fff !important;
  box-shadow: 0 8px 18px rgba(22, 186, 170, 0.18);
}

#left .machine_btn.mainClick::before,
#left .bg::before,
#left .lastClick::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 999px;
  background: #fff;
}

.videolist,
.videolistPdf {
  position: relative;
  width: calc(33.333% - 10px);
  min-width: 200px;
  max-width: 260px;
  height: 164px;
  margin: 0;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #1d1d1d 0%, #343434 100%);
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.videolist:hover,
.videolistPdf:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.vtit {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  overflow: hidden;
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
}

.supportlist a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #f7f9fb;
  color: #20333b;
  border: 1px solid #e6ebf0;
  word-break: break-all;
}

.mobile-menu-toggle,
.mobile-menu-overlay,
.mobile-menu-close {
  display: none;
}

@media screen and (max-width: 1156px) {
  #left {
    width: 240px;
    min-width: 240px;
    max-width: 240px;
    padding: 8px 6px;
  }

  .videolist,
  .videolistPdf {
    width: calc(50% - 8px);
    min-width: 160px;
  }
}

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

  html.menu-open,
  body.menu-open {
    overflow: hidden;
  }

  .banner {
    width: 100%;
    padding: 0 10px 16px;
  }

  .machines {
    display: block;
    position: relative;
  }

  #left {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1201;
    width: min(84vw, 320px);
    min-width: auto;
    max-width: none;
    height: 100dvh;
    padding: calc(max(10px, env(safe-area-inset-top)) + 48px) 8px 12px;
    border-radius: 0 18px 18px 0;
    transform: translateX(-102%);
    transition: transform .24s ease;
    box-shadow: 12px 0 30px rgba(0, 0, 0, .24);
  }

  #left.is-open {
    transform: translateX(0);
  }

  #right {
    width: 100% !important;
    margin-left: 0 !important;
    padding-top: 0 !important;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 10px;
    top: max(10px, env(safe-area-inset-top));
    z-index: 1202;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 12px;
    background: rgba(22, 186, 170, 0.96);
    color: #fff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
    font-size: 20px;
  }

  .mobile-menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1198;
    background: rgba(8, 15, 20, 0.42);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .24s ease, visibility .24s ease;
    backdrop-filter: blur(2px);
  }

  .mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-menu-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: max(10px, env(safe-area-inset-top));
    left: min(calc(84vw - 44px), 276px);
    z-index: 1203;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, visibility .2s ease;
  }

  body.menu-open .mobile-menu-close,
  html.menu-open .mobile-menu-close {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body.menu-open #right {
    pointer-events: none;
    user-select: none;
  }

  .header {
    height: auto;
    line-height: normal;
    padding: 8px 10px;
  }

  .header ul,
  .top ul.topul {
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-left,
  .header-right,
  .labelInput {
    width: 100%;
  }

  .labelInput>div:first-child {
    display: flex;
    width: 100%;
  }

  .labelInput input {
    width: calc(100% - 52px);
    min-width: 0;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .btn {
    width: 52px;
    height: 40px;
  }

  .keywords,
  .ex {
    width: 100%;
    height: auto;
    flex-wrap: wrap;
    gap: 6px;
  }

  .videolist,
  .videolistPdf {
    width: calc(50% - 6px);
    min-width: 140px;
    max-width: none;
    height: 140px;
  }

  .video_content {
    top: 50%;
    left: 50%;
    width: 92vw !important;
    height: 34vh !important;
    min-height: 220px;
    transform: translate(-50%, -50%);
    border-radius: 12px;
  }
}

@media screen and (max-width: 480px) {
  .banner {
    padding: 0 8px 14px;
  }

  #left {
    width: min(88vw, 300px);
    padding: calc(max(8px, env(safe-area-inset-top)) + 44px) 6px 10px;
  }

  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
    left: 8px;
    top: max(8px, env(safe-area-inset-top));
    border-radius: 11px;
    font-size: 18px;
  }

  .mobile-menu-close {
    width: 32px;
    height: 32px;
    font-size: 18px;
    left: min(calc(88vw - 40px), 260px);
  }

  .videolist,
  .videolistPdf {
    width: 100%;
    min-width: 0;
    height: 152px;
  }

  #matter,
  #process {
    padding: 12px;
    font-size: 12px;
  }
}