/* Compiled from LESS. Edit this CSS going forward. */
/* Modern layout tokens — html { font-size: 10px } in site.less → 1rem = 10px */
/* 1200px content */
/* Homepage section shell — single visual column */
/* Homepage */
/* between major sections */
/* section title → main content */
/* carousel → Learn More button */
/* last section → footer */
/* Inner pages (About, etc.) */
/* Toolbox / forpros marketing page — type scale */
/* 3.2rem — page-level headings */
/* 2.4rem */
/* 1.8rem — intro copy (e.g. above search) */
/* 1.6rem — section descriptions */
/* 1.4rem */
/* 2.4rem — nested card titles */
/* 1.8rem */
/* bottom-content product name (.big-title) vs block headings (.card-title) */
/* product-library.html 品类入口卡：名称略大于素材列表标题 */
/* 手机端品类卡：图片区统一高度，便于同行标题/按钮对齐 */
/* 1.8rem */
/* 1.4rem */
/* 1.3rem */
/* Toolbox floating actions (cart, back-to-top, back, home) */
/* Mobile stack: base → back-top → goto → back-home → cart */
/* Toolbox 桌面侧栏：filter-nav / slider-bar（高于主内容，低于弹层） */
/* Form / lookup / registration pages — type scale */
/* Marketing / product toolkit (.page-toolbox) — light banner, dark text */
/* product-library-list 等：两列素材卡片 + 紧凑操作钮 */
/* 两列品类卡：等高图片区 + 标题弹性区 + 按钮贴底 */
/* product-library.html：品类网格 + 长 CTA 文案 */
/* product-library-one 等：bottom-content 内各类素材列表 */
/* gifts-detail.html / props-detail.html：详情 + You May Also Like */
/* Inner page hero — mobile (legacy mpx @ 414px design → rem) */
.page-doc {
  overflow: hidden;
}
.page-doc .doc-hero {
  position: relative;
  width: 100%;
  height: 28rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-doc .doc-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}
.page-doc .doc-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 55%;
}
.page-doc .doc-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.page-doc .doc-hero-title {
  display: inline-block;
  margin: 0;
  margin-right: -0.16em;
  padding: 0.8rem 2.4rem;
  box-sizing: border-box;
  font-family: 'Gotham-med', sans-serif;
  font-size: 1.5rem;
  font-weight: normal;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #2a4555;
  text-shadow: 0 0.1rem 1.2rem rgba(255, 255, 255, 0.85);
}
.product-body {
  position: relative;
  width: 100%;
  max-width: 120rem;
  margin-left: auto;
  margin-right: auto;
  padding: 4rem 0 4rem;
  box-sizing: border-box;
}
.product-list {
  position: relative;
}
.product-list .product-listmain {
  display: flex;
  flex-wrap: wrap;
}
.product-item {
  margin-right: 2.4rem;
  margin-bottom: 3rem;
  width: 22rem;
  height: 30rem;
  border: 0.2rem solid #f3f3f3;
  border-radius: 2rem;
  background-color: #f3f3f3;
  cursor: pointer;
  box-sizing: border-box;
}
.product-item:nth-child(5n) {
  margin-right: 0;
}
.product-item .product-img {
  width: 20rem;
  height: 20rem;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.product-item .product-img img {
  width: 20rem;
  height: auto;
}
.product-item .product-title {
  padding: 0 1.6rem;
  margin-top: 2rem;
  text-align: center;
  line-height: 1.2;
  font-size: 1.8rem;
  width: 100%;
  height: 4rem;
  margin: 0 auto;
}
.product-item .product-button {
  position: relative;
  margin: 0 auto;
  margin-top: 1rem;
  width: 17rem;
  height: 3.4rem;
  line-height: 3.4rem;
  border-radius: 999px;
  border: 0.1rem solid #0092d8;
  text-align: center;
  color: #0092d8;
  font-size: 1.2rem;
  background-color: #fff;
}
.product-item .product-button .blue-arrow {
  position: absolute;
  top: 50%;
  margin-top: 0rem;
  right: 1.6rem;
  transform: translateY(-50%);
  width: 1.2rem;
  height: 2rem;
}
.product-item .product-button .white-arrow {
  display: none;
  position: absolute;
  top: 50%;
  margin-top: 0rem;
  right: 1.6rem;
  transform: translateY(-50%);
  width: 1.2rem;
  height: 2rem;
}
.product-item:hover {
  background-color: #fff;
  border: 0.2rem solid #0092d8;
}
.product-item:hover .product-button {
  color: #fff;
  background-color: #0092d8;
}
.product-item:hover .product-button .blue-arrow {
  display: none;
}
.product-item:hover .product-button .white-arrow {
  display: block;
}
.product-bigmask {
  position: relative;
  width: 100%;
  max-width: 120rem;
  height: auto;
  min-height: 0;
  padding: 3.2rem 4rem 3.2rem 8rem;
  box-sizing: border-box;
  background-color: #f3f3f3;
  border-radius: 1.6rem;
  display: flex;
  align-items: center;
  gap: 3.2rem;
}
.product-bigmask .product-bigleft {
  margin-left: 0;
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.product-bigmask .product-bigleft .title {
  font-size: 2.2rem;
  line-height: 1.25;
}
.product-bigmask .product-bigleft .content {
  margin-top: 1.2rem;
  font-size: 1.5rem;
  line-height: 1.6;
  color: #445866;
}
.product-bigmask .product-bigright {
  margin-left: 0;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.product-bigmask .product-bigright .bigimg {
  width: 28rem;
  height: auto;
  max-height: 24rem;
  object-fit: contain;
}
.product-bigmask .close-btn {
  position: absolute;
  top: 1.6rem;
  left: 1.6rem;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  border: 0.15rem solid #222222;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.product-bigmask .close-btn .close1 {
  width: 2rem;
  height: 1.8rem;
}
.product-bigmask .close-btn .close2 {
  display: none;
  width: 2rem;
  height: 1.8rem;
}
.product-bigmask .close-btn:hover {
  background-color: #222222;
}
.product-bigmask .close-btn:hover .close1 {
  display: none;
}
.product-bigmask .close-btn:hover .close2 {
  display: block;
}
.mt-90 {
  margin-top: 3.2rem;
}
.product-Installation {
  border-radius: 2.4rem;
  border: 0.2rem solid #222222;
  padding: 4rem 4.8rem 4.4rem;
  position: relative;
}
.product-Installation + .product-Installation {
  margin-top: 3.2rem;
}
.inst-title {
  font-size: 3.2rem;
  position: relative;
  line-height: 1.25;
  /* Single-line baseline so carousel arrows can align with first .blue-title row */
  min-height: 4rem;
}
.inst-title:has(.tab-list) {
  padding-right: 42rem;
}
.tab-list {
  position: absolute;
  right: 0rem;
  top: 0;
  display: flex;
  align-items: center;
}
.tab-list .tab-button {
  cursor: pointer;
  position: relative;
  margin: 0 0 0 1.2rem;
  padding-left: 2rem;
  padding-right: 4.4rem;
  height: 4rem;
  line-height: 3.8rem;
  border-radius: 999px;
  border: 0.1rem solid #0092d8;
  text-align: center;
  color: #0092d8;
  font-size: 1.5rem;
  background-color: #fff;
}
.tab-list .tab-button .blue-arrow {
  position: absolute;
  top: 50%;
  right: 1.6rem;
  transform: translateY(-50%);
  width: 1.4rem;
  height: 1.8rem;
}
.tab-list .tab-button .white-arrow {
  display: none;
  position: absolute;
  top: 50%;
  right: 1.6rem;
  transform: translateY(-50%);
  width: 1.4rem;
  height: 1.8rem;
}
.tab-list .tab-button.active {
  color: #fff;
  font-size: 1.5rem;
  background-color: #0092d8;
}
.tab-list .tab-button.active .blue-arrow {
  display: none;
}
.tab-list .tab-button.active .white-arrow {
  display: block;
  transform: translateY(-50%) rotate(90deg);
}
.product-Installation .flex.justify-between {
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 1.6rem;
}
.product-Installation .flex.justify-between > * {
  flex: 1 1 0;
  min-width: 0;
  box-sizing: border-box;
}
.product-Installation .flex.justify-between > .inst-nested-wrap {
  flex: 1 1 100%;
  width: 100%;
}
.product-Installation .flex.justify-between > * > .inst-col,
.product-Installation .flex.justify-between > * > .inst-col1 {
  width: 100%;
}
.inst-stack {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
  margin-top: 2.4rem;
  width: 100%;
}
.inst-group,
.inst-nested-wrap {
  flex: 1 1 100%;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}
.inst-stack .inst-col,
.inst-stack .inst-col1,
.inst-nested-wrap .inst-col,
.inst-nested-wrap .inst-col1 {
  flex: none;
  width: 100%;
  margin-top: 0;
}
.inst-col,
.inst-col1 {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 2.4rem;
}
.inst-col2_1 {
  flex: 1 1 100%;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 2.4rem;
}
.inst-col2 {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 1.6rem;
  margin-right: 0;
}
.inst-full {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  box-sizing: border-box;
  margin-right: 0;
}
.blue-level2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 1.6rem;
  margin-top: 1.6rem;
  width: 100%;
}
.blue-level2 .inst-col2,
.blue-level2 .inst-full {
  flex: none;
  width: 100%;
  min-width: 0;
  margin: 0;
}
/* Doc bars & downloads: rem scale (html 10px) — avoids oversized mpx on wide screens */
.blue-title,
.blue-title1 {
  width: 100%;
  min-height: 4rem;
  padding: 0.85rem 1.2rem;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.35;
  border-radius: 0.5rem;
  background-color: #0092d8;
  text-align: center;
  overflow-wrap: break-word;
  word-break: normal;
}
.blue-title2 {
  width: 100%;
  min-height: 3.6rem;
  padding: 0.75rem 1rem;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.35;
  border-radius: 0.45rem;
  background-color: #00b9f9;
  text-align: center;
  overflow-wrap: break-word;
  word-break: normal;
}
.download-btn {
  cursor: pointer;
  margin-top: 1rem;
  padding: 0.65rem 1rem;
  min-height: 3.6rem;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  color: #222;
  font-size: 1.3rem;
  line-height: 1.4;
  border-radius: 0.45rem;
  border: 1px solid #222;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.download-btn > div:first-child {
  flex: 1;
  min-width: 0;
  word-break: break-word;
  overflow-wrap: break-word;
}
.download-btn .down-arrow {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
}
.download-btn .down-arrow2 {
  display: none;
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
}
.download-btn:hover {
  background-color: #222222;
  color: #fff;
}
.download-btn:hover .down-arrow {
  display: none;
}
.download-btn:hover .down-arrow2 {
  display: block;
}
/* Vertically centered with first .blue-title / .blue-title1 row inside .inst-col */
.product-Installation .left-arrow,
.product-Installation .right-arrow {
  position: absolute;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  border: 1px solid #222222;
  background-color: #ffffff;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translateY(-50%);
  /* padding-top + inst-title block + .inst-col margin-top + half of .blue-title bar */
  top: calc(4rem + 4rem + 2.4rem + 2rem);
  z-index: 2;
}
.product-Installation .left-arrow .arrow,
.product-Installation .right-arrow .arrow {
  width: 1.25rem;
  height: 2rem;
}
.product-Installation .left-arrow .arrow2,
.product-Installation .right-arrow .arrow2 {
  display: none;
  width: 1.25rem;
  height: 2rem;
}
.product-Installation .left-arrow:hover,
.product-Installation .right-arrow:hover {
  background-color: #222222;
  transform: translateY(-50%);
}
.product-Installation .left-arrow:hover .arrow,
.product-Installation .right-arrow:hover .arrow {
  display: none;
}
.product-Installation .left-arrow:hover .arrow2,
.product-Installation .right-arrow:hover .arrow2 {
  display: block;
}
.product-Installation .left-arrow {
  left: 1.5rem;
  right: auto;
}
.product-Installation .right-arrow {
  right: 1.5rem;
  left: auto;
}
.goto-top {
  z-index: 99;
  position: fixed;
  right: 6rem;
  bottom: 16rem;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  border: 0.2rem solid #222222;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.goto-top .gotop {
  width: 2.5rem;
  height: 2.9rem;
}
.goto-top .gotop2 {
  display: none;
  width: 2.5rem;
  height: 2.9rem;
}
.goto-top:hover {
  background-color: #222222;
}
.goto-top:hover .gotop {
  display: none;
}
.goto-top:hover .gotop2 {
  display: block;
}
.back-top {
  z-index: 99;
  position: fixed;
  right: 6rem;
  bottom: 7rem;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  border: 0.2rem solid #222222;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.back-top .backtop {
  width: 3rem;
  height: 3.4rem;
}
.back-top .backtop2 {
  display: none;
  width: 3rem;
  height: 3.4rem;
}
.back-top:hover {
  background-color: #222222;
}
.back-top:hover .backtop {
  display: none;
}
.back-top:hover .backtop2 {
  display: block;
}
.back-home {
  z-index: 99;
  position: fixed;
  right: 6rem;
  bottom: 25rem;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  border: 0.2rem solid #222222;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.back-home .backhomeimg {
  width: 6rem;
  height: 6rem;
}
.product-typebody {
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}
.doc-browse-toolbar {
  position: sticky;
  top: 14.8rem;
  z-index: 6;
  margin: 0 0 2rem;
  padding: 1.2rem 0 1.4rem;
  background: #fff;
  box-shadow: 0 1.2rem 1.2rem #fff;
}
.doc-browse-nav,
.doc-browse-sub {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  box-sizing: border-box;
  padding: 0.4rem;
  border-radius: 999px;
}
.doc-browse-nav {
  width: 100%;
  border: 0.1rem solid #cfd8dc;
  background: #fff;
}
.doc-browse-sub {
  width: 100%;
  margin: 1rem 0 0;
  padding: 0.35rem;
  border: 0.1rem solid #e4eef3;
  background: #f4fafc;
  position: relative;
}
.doc-browse-nav[hidden],
.doc-browse-sub[hidden] {
  display: none;
}
.doc-browse-tab,
.doc-browse-chip {
  appearance: none;
  -webkit-appearance: none;
  flex: 1 1 0;
  min-width: 0;
  margin: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  box-sizing: border-box;
  font-family: 'Gotham-med', sans-serif;
  font-weight: normal;
  line-height: 1.3;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.doc-browse-tab {
  padding: 0.9rem 1.6rem;
  color: #2a4555;
  font-size: 1.4rem;
}
.doc-browse-tab.is-active {
  background: #0092d8;
  color: #fff;
}
.doc-browse-chip {
  padding: 0.7rem 1.2rem;
  color: #5a7380;
  font-size: 1.25rem;
}
.doc-browse-chip.is-active {
  background: #fff;
  color: #0092d8;
  box-shadow: 0 0.1rem 0.4rem rgba(0, 146, 216, 0.18);
}
@media screen and (max-width: 990px) {
  .page-doc {
    overflow-x: hidden;
  }
  .page-doc .doc-hero {
    height: auto;
    min-height: 12rem;
    padding: calc(5.5rem + 1rem) 1.6rem 1.4rem;
    box-sizing: border-box;
  }
  .page-doc .doc-hero-inner {
    min-height: 0;
    padding: 0;
    justify-content: center;
  }
  .page-doc .doc-hero-title {
    font-size: 1.2rem;
    letter-spacing: 0.14em;
    margin-right: -0.14em;
    padding: 0.6rem 1.6rem;
    text-align: center;
  }
  .page-doc .doc-hero-img {
    object-position: 50% 45%;
  }
  .product-body {
    width: 100%;
    max-width: 100%;
    padding: 2.4rem 1.6rem 4rem;
    box-sizing: border-box;
  }
  .product-list .product-listmain {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
    gap: 1.2rem;
    margin-left: 0;
  }
  .product-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
    flex: 0 0 calc((100% - 1.2rem) / 2);
    width: calc((100% - 1.2rem) / 2);
    max-width: calc((100% - 1.2rem) / 2);
    margin: 0;
    border-radius: 1.6rem;
  }
  .product-item .product-img {
    flex: 0 0 14rem;
    width: 100%;
    height: 14rem;
    min-height: 14rem;
    margin-top: 1.2rem;
    padding: 0 0.6rem;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .product-item .product-img img {
    width: auto;
    max-width: 90%;
    max-height: calc(14rem - 1.2rem);
    height: auto;
    object-fit: contain;
  }
  .product-item .product-title {
    flex: 1 1 auto;
    margin-top: 0.8rem;
  }
  .product-item .product-button {
    flex: 0 0 auto;
    margin-top: auto;
  }
  .product-item .product-title {
    width: 100%;
    min-height: 3.6rem;
    padding: 0 0.8rem 0.4rem;
    font-size: 1.4rem;
    line-height: 1.35;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .product-item .product-button {
    position: relative;
    width: calc(100% - 1rem);
    max-width: none;
    min-height: 3.4rem;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
    line-height: 1.3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.9rem 0.5rem 0.5rem;
    box-sizing: border-box;
    white-space: normal;
    word-break: break-word;
  }
  .product-item .product-button .blue-arrow,
  .product-item .product-button .white-arrow {
    right: 1.2rem;
    width: 1rem;
    height: 1.6rem;
  }
  .product-bigmask {
    width: 100%;
    max-width: 100%;
    height: auto;
    padding: 2.8rem 1.6rem 2rem;
    border-radius: 1.2rem;
    flex-direction: column;
    gap: 0;
    box-sizing: border-box;
  }
  .product-bigmask .product-bigright {
    order: 1;
    width: 100%;
    margin: 0;
  }
  .product-bigmask .product-bigright .bigimg {
    width: 100%;
    max-width: 18rem;
    max-height: 16rem;
    height: auto;
  }
  .product-bigmask .product-bigleft {
    order: 2;
    width: 100%;
    margin: 0;
    padding-top: 1.2rem;
    align-items: center;
    text-align: center;
  }
  .product-bigmask .product-bigleft .title {
    font-size: 1.7rem;
  }
  .product-bigmask .product-bigleft .content {
    margin-top: 0.8rem;
    font-size: 1.35rem;
    line-height: 1.55;
  }
  .product-bigmask .close-btn {
    top: 1.2rem;
    left: 1.2rem;
    width: 3.6rem;
    height: 3.6rem;
  }
  .product-bigmask .close-btn .close1,
  .product-bigmask .close-btn .close2 {
    width: 1.8rem;
    height: auto;
  }
  .mt-90 {
    margin-top: 2.4rem;
  }
  .product-Installation {
    border-radius: 1.2rem;
    border: 0.1rem solid #222;
    padding: 2.4rem 1.6rem 2.8rem;
    box-sizing: border-box;
    overflow: hidden;
  }
  .product-Installation + .product-Installation {
    margin-top: 2.4rem;
  }
  .inst-title {
    font-size: 2.4rem;
    min-height: 0;
    padding-right: 0;
    line-height: 1.3;
  }
  .inst-title:has(.tab-list) {
    padding-right: 0;
  }
  .tab-list {
    position: static;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.8rem;
    margin-top: 1.6rem;
    width: 100%;
  }
  .tab-list .tab-button {
    margin: 0;
    margin-top: 0;
    padding-left: 1.4rem;
    padding-right: 3.6rem;
    min-height: 4rem;
    height: auto;
    line-height: 1.3;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
    font-size: 1.3rem;
    max-width: 100%;
    white-space: normal;
    box-sizing: border-box;
  }
  .tab-list .tab-button .blue-arrow,
  .tab-list .tab-button .white-arrow {
    right: 1.2rem;
    width: 1.1rem;
    height: 1.5rem;
  }
  .tab-list .tab-button.active {
    font-size: 1.35rem;
  }
  .product-Installation .left-arrow,
  .product-Installation .right-arrow {
    display: none !important;
  }
  .inst-col,
  .inst-col1,
  .inst-col2,
  .inst-col2_1,
  .inst-full {
    flex: none;
    width: 100% !important;
    max-width: 100%;
    margin-top: 1.8rem;
    margin-right: 0 !important;
    box-sizing: border-box;
  }
  .product-typebody .flex.justify-between {
    flex-direction: column;
    align-items: stretch;
    gap: 1.6rem;
  }
  .product-typebody .flex.justify-between > * {
    flex: none;
    width: 100%;
  }
  .inst-stack {
    gap: 2.2rem;
    margin-top: 1.8rem;
  }
  .blue-level2 {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-top: 1.2rem;
  }
  .blue-title,
  .blue-title1 {
    width: 100%;
    min-height: 3.8rem;
    padding: 0.75rem 1rem;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 1.45rem;
    font-weight: 600;
    line-height: 1.35;
    border-radius: 0.45rem;
    background-color: #0092d8;
    text-align: center;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .blue-title2 {
    width: 100%;
    min-height: 3.4rem;
    padding: 0.65rem 0.9rem;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.35;
    border-radius: 0.45rem;
    background-color: #00b9f9;
    text-align: center;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .download-btn {
    cursor: pointer;
    min-height: 3.4rem;
    margin-top: 0.85rem;
    padding: 0.55rem 0.85rem;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.65rem;
    color: #222;
    font-size: 1.25rem;
    line-height: 1.4;
    border-radius: 0.4rem;
    border: 1px solid #222;
    text-decoration: none;
  }
  .download-btn > div:first-child {
    flex: 1;
    min-width: 0;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .download-btn .down-arrow {
    width: 1.35rem;
    height: 1.35rem;
    flex-shrink: 0;
  }
  .download-btn .down-arrow2 {
    display: none;
    width: 1.35rem;
    height: 1.35rem;
    flex-shrink: 0;
  }
  .download-btn:hover {
    background-color: #222222;
    color: #fff;
  }
  .download-btn:hover .down-arrow {
    display: none;
  }
  .download-btn:hover .down-arrow2 {
    display: block;
  }
  .goto-top {
    z-index: 99;
    position: fixed;
    right: 1.6rem;
    bottom: 14rem;
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    border: 0.2rem solid #222222;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .goto-top .gotop {
    width: 3rem;
    height: 3.4rem;
  }
  .goto-top .gotop2 {
    display: none;
    width: 3rem;
    height: 3.4rem;
  }
  .goto-top:hover {
    background-color: #222222;
  }
  .goto-top:hover .gotop {
    display: none;
  }
  .goto-top:hover .gotop2 {
    display: block;
  }
  .back-top {
    z-index: 99;
    position: fixed;
    right: 1.6rem;
    bottom: 7.2rem;
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    border: 0.2rem solid #222222;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .back-top .backtop {
    width: 3rem;
    height: 3.4rem;
  }
  .back-top .backtop2 {
    display: none;
    width: 3rem;
    height: 3.4rem;
  }
  .back-top:hover {
    background-color: #222222;
  }
  .back-top:hover .backtop {
    display: none;
  }
  .back-top:hover .backtop2 {
    display: block;
  }
  .back-home {
    z-index: 99;
    position: fixed;
    right: 1.6rem;
    bottom: 20.8rem;
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    border: 0.2rem solid #222222;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .back-home .backhomeimg {
    width: 3.6rem;
    height: 3.6rem;
  }
  .product-typebody {
    padding-top: 2rem;
    padding-bottom: 1.2rem;
  }
  .doc-browse-toolbar {
    top: 5.5rem;
    margin-bottom: 1.6rem;
    padding: 0.8rem 0 1rem;
  }
  .doc-browse-nav,
  .doc-browse-sub {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .doc-browse-nav::-webkit-scrollbar,
  .doc-browse-sub::-webkit-scrollbar {
    display: none;
  }
  .doc-browse-sub {
    width: 100%;
    margin-left: 0;
  }
  .doc-browse-tab {
    flex: 1 0 auto;
    padding: 0.75rem 1.4rem;
    font-size: 1.25rem;
  }
  .doc-browse-chip {
    flex: 1 0 auto;
    padding: 0.65rem 1.2rem;
    font-size: 1.15rem;
  }
  .product-typebody .blue-title,
  .product-typebody .blue-title1 {
    min-height: 0;
    font-size: 1.38rem;
    line-height: 1.4;
    padding: 0.65rem 0.85rem;
  }
  .product-typebody .blue-title2 {
    min-height: 0;
    font-size: 1.28rem;
    line-height: 1.4;
    padding: 0.62rem 0.8rem;
  }
}
/* 文档页接口加载：慢速转圈 + 轻遮罩 */
.document-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(3px);
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}
.document-loading-overlay.is-visible {
  display: flex;
}
.document-loading-spinner {
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  border: 3px solid rgba(0, 146, 216, 0.2);
  border-top-color: #0092d8;
  animation: document-loading-spin 1.65s linear infinite;
  box-sizing: border-box;
}
@keyframes document-loading-spin {
  to {
    transform: rotate(360deg);
  }
}
.document-loading-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.doc-loading-fade-enter-active,
.doc-loading-fade-leave-active {
  transition: opacity 0.28s ease;
}
.doc-loading-fade-enter-from,
.doc-loading-fade-leave-to {
  opacity: 0;
}
.hide {
  display: none;
}
.product-list .product-listmain.hide,
.product-bigmask.hide,
.product-typebody.hide {
  display: none;
}