/* ================================================================
   JDC FOOTER V8 — 对标腾讯云 / 麦速云底部设计（浅色轻盈版）
   浅蓝白渐变 · 细流光线 · 服务保障栏 · 四列导航 · 联系+3二维码 · 认证资质区
   动效：流光滑过、链接滑入、图标上浮发光、二维码卡片抬升
   ================================================================ */
.jdc-footer {
  position: relative;
  overflow: hidden;
  color: #5a6b86;
  font-size: 14px;
  line-height: 1.6;
  background:
    radial-gradient(1100px 420px at 8% -120px, rgba(0, 111, 255, .07), transparent 60%),
    radial-gradient(900px 380px at 92% -140px, rgba(0, 170, 255, .06), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #f4f8fe 100%);
}
.jdc-footer a { color: inherit; text-decoration: none; }
.jdc-footer img { vertical-align: top; }

/* ===== 顶部渐变装饰线 ===== */
.jdc-footer-deco {
  position: relative;
  height: 2px;
  overflow: hidden;
  background: linear-gradient(90deg, transparent, rgba(0, 111, 255, .35), transparent);
}
.jdc-footer-deco-line {
  position: absolute;
  top: 0; left: -35%;
  width: 35%; height: 100%;
  background: linear-gradient(90deg, transparent, #4da3ff, #38d6ff, transparent);
  animation: jfShine 5s ease-in-out infinite;
}
@keyframes jfShine {
  0%   { left: -35%; }
  55%  { left: 100%; }
  100% { left: 100%; }
}

/* ================================================================
   服务保障栏（图标留白占位，请自行放入图标图片）
   ================================================================ */
.jdc-service-guarantee {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid #e8eef8;
}
/* 覆盖 gb.css 中 .w 的 max-width:1200px 约束，使服务保障栏与下方主区左右对齐 */
.jdc-footer .jdc-service-guarantee {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0;
}
.jdc-footer .jdc-sg-ul {
  display: flex;
  list-style: none;
  margin: 0 auto;
  padding: 42px 32px 40px;
  max-width: 1600px;
  box-sizing: border-box;
}
/* 覆盖 index.css 中旧版 3 列规则 */
.jdc-footer .jdc-sg-ul li {
  flex: 1;
  width: auto;
  padding-left: 0;
  box-sizing: border-box;
  position: relative;
}
.jdc-footer .jdc-sg-ul li a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
}
/* 图标占位：虚线圆环 + 柔和底色；放入 <img> 后自动适配 */
.sg-icon {
  position: relative;
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  border: none;
  background: transparent;
  overflow: visible;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, background .3s ease;
}
.sg-icon img {
  width: auto; height: auto;
  max-width: 100%; max-height: 100%;
  object-fit: contain;
  border-radius: 50%;
}
.sg-icon-ph {
  color: #9db8e8;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  user-select: none;
}
.jdc-footer .jdc-sg-ul li a:hover .sg-icon {
  transform: translateY(-3px) scale(1.08);
  border: none;
  box-shadow: 0 0 0 6px rgba(0, 111, 255, .1), 0 12px 24px rgba(0, 111, 255, .18);
}
.sg-txt b.sg-tit {
  display: block;
  color: #24344f;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .5px;
}
.sg-txt p.sg-text {
  margin: 3px 0 0;
  color: #8a97ad;
  font-size: 14px;
}

/* ================================================================
   主体：导航 + 联系 + 二维码
   ================================================================ */
.jdc-footer-main {
  position: relative;
  z-index: 1;
}
.jdc-footer .jdc-footer-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 1600px;
  margin: 0 auto;
  padding: 40px 32px 46px;
  box-sizing: border-box;
}
/* PC 端主网格：左列导航在上、认证区在下，右侧联系区跨满两行与底缘对齐 */
.jdc-footer .jdc-footer-wrap-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  grid-template-areas:
    "left contact"
    "cert contact";
}
.jdc-footer .jdc-footer-wrap-main > .jdc-footer-left { grid-area: left; }
.jdc-footer .jdc-footer-wrap-main > .jdc-footer-contact { grid-area: contact; }
.jdc-footer .jdc-footer-wrap-main > .jdc-footer-cert { grid-area: cert; }
/* 覆盖 index.css 旧规则 */
.jdc-footer .jdc-footer-channel {
  flex: 1;
  min-height: 0;
  display: flex;
  gap: 28px;
}
.jdc-footer .jdc-footer-channel-item {
  flex: 1;
  margin: 0;
}
.jdc-footer .jdc-footer-channel-item dt {
  position: relative;
  margin-bottom: 16px;
  padding-bottom: 12px;
  color: #24344f;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .5px;
}
.jdc-footer .jdc-footer-channel-item dt::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 26px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #006fff, #38d6ff);
  transition: width .35s ease;
}
.jdc-footer .jdc-footer-channel-item:hover dt::after { width: 46px; }
.jdc-footer .jdc-footer-channel-item dd {
  margin: 0;
  padding: 4px 0;
}
.jdc-footer .jdc-footer-channel-item dd a {
  position: relative;
  display: inline-block;
  color: #66768f;
  font-size: 13px;
  transition: color .25s ease, padding-left .25s ease;
}
.jdc-footer .jdc-footer-channel-item dd a::before {
  content: "›";
  position: absolute;
  left: -8px;
  color: #38b6ff;
  font-size: 14px;
  opacity: 0;
  transition: left .25s ease, opacity .25s ease;
}
.jdc-footer .jdc-footer-channel-item dd a:hover {
  color: #006fff;
  padding-left: 10px;
}
.jdc-footer .jdc-footer-channel-item dd a:hover::before {
  left: 0;
  opacity: 1;
}

/* ===== 左侧主列：四列导航 + 认证资质区（认证图紧贴导航下方） ===== */
.jdc-footer .jdc-footer-left {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
/* PC 端：认证区位于导航列下方，与上方留出间距 */
.jdc-footer .jdc-footer-wrap-main > .jdc-footer-cert {
  margin-top: 34px;
}
@media (min-width: 768px) {
  /* 认证区自身 wrap 去掉最大宽度与左右内边距，与导航列左缘对齐 */
  .jdc-footer .jdc-footer-cert .jdc-footer-wrap {
    max-width: none;
    margin: 0;
    padding: 0;
  }
}

/* ===== 右侧联系区 ===== */
.jdc-footer-contact {
  flex: none;
  width: 380px;
  border-left: 1px solid #e8eef8;
  padding-left: 44px;
}
/* logo 容器块级化并左对齐：图片内容强制贴近左缘，避免因图片宽高比与 290×70 不符而被居中 */
.jdc-footer-logo {
  display: block;
  width: fit-content;
  max-width: 100%;
  text-align: left;
}
/* logo 加大两圈，与「中文（简体）」长框左缘对齐 */
.jdc-footer-logo img {
  width: 290px;
  height: 70px;
  object-fit: contain;
  object-position: left center;
  display: block;
  margin: 0;
}
.consult-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  color: #5a6b86;
  font-size: 13px;
  transition: color .25s ease;
}
.consult-item:hover { color: #006fff; }
.consult-item p { margin: 0; }
.consult-icon {
  display: inline-block;
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid #dbe7f8;
  background-color: #f0f6ff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 16px 16px;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.consult-item:hover .consult-icon {
  background-color: #ffffff;
  border-color: rgba(0, 111, 255, .5);
  box-shadow: 0 4px 12px rgba(0, 111, 255, .16);
}
.consult-icon-qq {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23006FFF' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 11.5a8 8 0 0 1-8 8 8.9 8.9 0 0 1-3-.5L4.5 20.5l1.4-3.6A8 8 0 1 1 21 11.5z'/%3E%3C/svg%3E");
}
.consult-icon-wx {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23006FFF' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 11.5a8 8 0 0 1-8 8 8.9 8.9 0 0 1-3-.5L4.5 20.5l1.4-3.6A8 8 0 1 1 21 11.5z'/%3E%3Cpath d='M8.8 11.6a.6.6 0 1 0 0 1.2.6.6 0 0 0 0-1.2zM12.8 11.6a.6.6 0 1 0 0 1.2.6.6 0 0 0 0-1.2zM16.8 11.6a.6.6 0 1 0 0 1.2.6.6 0 0 0 0-1.2z'/%3E%3C/svg%3E");
}
.consult-icon-mail {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23006FFF' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2.2'/%3E%3Cpath d='M3 7.5l9 6 9-6'/%3E%3C/svg%3E");
}

/* ===== 二维码板块（三个二维码） ===== */
.jdc-qrcode-wrap { margin-top: 20px; }
.jdc-qr-hd {
  margin: 0 0 12px;
  color: #8a97ad;
  font-size: 12px;
  letter-spacing: 1px;
}
.jdc-qrcode {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.jdc-qr-item {
  width: 84px;
  text-align: center;
  transition: filter .35s ease, opacity .35s ease;
}

/* QR 组 hover：非当前项自动虚化 */
.jdc-qrcode:hover .jdc-qr-item {
  filter: blur(4px);
  opacity: 0.4;
}
.jdc-qrcode:hover .jdc-qr-item:hover {
  filter: none !important;
  opacity: 1 !important;
}
.jdc-qr-box {
  position: relative;
  width: 84px; height: 84px;
  box-sizing: border-box;
  padding: 6px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e6eefb;
  box-shadow: 0 8px 20px rgba(0, 60, 140, .08);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.jdc-qr-box::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1.5px rgba(0, 111, 255, 0), 0 0 22px rgba(0, 170, 255, 0);
  transition: box-shadow .3s ease;
}
.jdc-qr-item:hover .jdc-qr-box {
  border-color: rgba(0, 111, 255, .4);
  box-shadow: 0 14px 28px rgba(0, 80, 180, .14);
}
.jdc-qr-item:hover .jdc-qr-box::after {
  box-shadow: inset 0 0 0 1.5px rgba(0, 111, 255, .45), 0 0 24px rgba(0, 170, 255, .35);
}
/* 占位样式：图片放入后请将 .jdc-qr-ph 替换为 <img> */
.jdc-qr-ph {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  box-sizing: border-box;
  border: 1px dashed #b9cef0;
  border-radius: 7px;
  color: #8aa6d8;
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
  background: repeating-linear-gradient(45deg, #f4f8ff 0 8px, #edf3ff 8px 16px);
}
.jdc-qr-box img {
  width: 100%; height: 100%;
  object-fit: contain;
  border-radius: 6px;
}
.jdc-qr-name {
  margin: 9px 0 0;
  color: #8a97ad;
  font-size: 12px;
  transition: color .25s ease;
}
.jdc-qr-item:hover .jdc-qr-name { color: #006fff; }

/* ===== 二维码悬停：横向提示文字 ===== */
.jdc-qr-zoom {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity .28s ease, visibility .28s ease, transform .28s ease;
}
.jdc-qr-zoom-card {
  position: relative;
  background: rgba(26, 46, 70, 0.9);
  border-radius: 6px;
  padding: 6px 14px;
  white-space: nowrap;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
/* 向下的三角箭头 */
.jdc-qr-zoom::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(26, 46, 70, 0.9);
}
.jdc-qr-zoom-label {
  margin: 0;
  font-size: 12px;
  font-weight: 400;
  color: #fff;
  letter-spacing: .5px;
  white-space: nowrap;
}
/* PC 端 hover 显示横向提示 */
@media (min-width: 768px) {
  .jdc-qr-item:hover .jdc-qr-zoom {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}
/* 移动端：居中弹窗 + 遮罩，长按可保存 */
@media (max-width: 767px) {
  .jdc-qr-box.qr-zoom-open .jdc-qr-zoom {
    position: fixed;
    top: 50%;
    left: 50%;
    bottom: auto;
    transform: translate(-50%, -50%);
    z-index: 9999;
    white-space: normal;
  }
  .jdc-qr-box.qr-zoom-open .jdc-qr-zoom-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px 24px 18px;
    box-shadow: 0 20px 56px rgba(0, 30, 80, .2), 0 0 0 1px rgba(0, 111, 255, .06);
    text-align: center;
    white-space: normal;
  }
  .jdc-qr-box.qr-zoom-open .jdc-qr-zoom-label {
    margin: 0 0 14px;
    font-size: 15px;
    font-weight: 600;
    color: #24344f;
    white-space: normal;
  }
  .jdc-qr-box.qr-zoom-open .jdc-qr-zoom::after {
    display: none;
  }
  .jdc-qr-zoom-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
  }
  .jdc-qr-zoom-backdrop.active {
    opacity: 1;
    visibility: visible;
  }
}

/* ===== 语言选择器（原生 select） ===== */
.jdc-footer-select { margin-top: 18px; position: static !important; }
.jdc-footer-lang-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  display: inline-flex;
  align-items: center;
  color: #5a6b86;
  font-size: 12px;
  font-family: inherit;
  border: 1px solid #dfe8f5;
  border-radius: 20px;
  padding: 5px 28px 5px 14px;
  background: #fff;
  cursor: pointer;
  transition: all .25s ease;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235a6b86' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.jdc-footer-lang-select:hover,
.jdc-footer-lang-select:focus {
  color: #006fff;
  border-color: rgba(0, 111, 255, .45);
  box-shadow: 0 4px 14px rgba(0, 111, 255, .12);
}

/* ================================================================
   认证资质区（对标麦速云 footer 底部图片区，5 个占位）
   ================================================================ */
.jdc-footer-cert {
  position: relative;
  z-index: 1;
}
.jdc-footer-cert .jdc-footer-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 32px 12px;
  box-sizing: border-box;
}
.jdc-cert-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 132px;
  height: 48px;
  box-sizing: border-box;
  border: none;
  border-radius: 8px;
  background: transparent;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.jdc-cert-item:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(0, 80, 180, .1);
}
.jdc-cert-item img {
  width: 100%; height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.jdc-cert-ph {
  color: #9db4da;
  font-size: 12px;
  font-style: normal;
  letter-spacing: 1px;
}

/* ================================================================
   友情链接
   ================================================================ */
.jdc-footer-linkbar {
  position: relative;
  z-index: 1;
  border-top: 1px solid #e8eef8;
  background: rgba(248, 251, 255, .6);
}
.jdc-footer .jdc-footer-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  max-width: 1600px;
  margin: 0 auto;
  padding: 16px 32px;
  box-sizing: border-box;
}
.jdc-footer .jdc-footer-link a {
  color: #7c8ba2;
  font-size: 12px;
  padding: 2px 10px;
  transition: color .25s ease;
}
.jdc-footer .jdc-footer-link a:hover { color: #006fff; }
.jdc-footer .jdc-footer-link span {
  width: 1px; height: 10px;
  background: #e0e8f4;
  display: inline-block;
}
.jdc-footer .jdc-footer-link span:last-child { display: none; }

/* ================================================================
   版权 / 备案（国徽 + 备案号）
   ================================================================ */
.jdc-footer-copybar {
  position: relative;
  z-index: 1;
  border-top: 1px solid #e8eef8;
  background: #f2f6fc;
  padding: 16px 32px;
  box-sizing: border-box;
}
.jdc-footer-copybar p {
  max-width: 1600px;
  margin: 2px auto;
  text-align: center;
  color: #8492a8;
  font-size: 12px;
  line-height: 1.8;
}
.jdc-footer-copy a { color: #5a6b86; transition: color .25s ease; }
.jdc-footer-copy a:hover { color: #006fff; }
.jdc-footer-record a {
  display: inline-block;
  vertical-align: middle;
  color: #8492a8;
  transition: color .25s ease;
}
.jdc-footer-record a:hover { color: #006fff; }
/* 备案图标（占位，请自行放入图片：<img src="{$setting.web_view}/assets/img/icp-emblem.png" />） */
.icp-emblem {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  width: 18px;
  height: 18px;
  margin-right: 5px;
  border-radius: 50%;
  border: none;
  background: transparent;
  box-sizing: border-box;
  flex: none;
  overflow: visible;
}
.icp-emblem img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}
.icp-emblem-ph {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #b9cef0;
}
.jdc-footer-record .icp-ga {
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
}
.copy-sep {
  display: inline-block;
  width: 1px; height: 11px;
  margin: 0 10px;
  vertical-align: middle;
  background: #dde6f2;
}
.jdc-footer-record .jdc-record-item {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
}

/* ================================================================
   响应式
   ================================================================ */
@media (min-width: 768px) and (max-width: 1199px) {
  /* 平板端：服务保障栏与导航列均分占满板块，两端对齐，图标居中分布 */
  .jdc-footer .jdc-sg-ul li a {
    justify-content: center;
  }
  /* 导航四列去间隔，等宽均分 + 分隔线，与上方服务保障栏四列完全对齐 */
  .jdc-footer .jdc-footer-channel {
    gap: 0;
  }
  .jdc-footer .jdc-footer-channel-item + .jdc-footer-channel-item {
    padding-left: 0;
    border-left: none;
  }
}
@media (max-width: 1199px) {
  /* 非 PC 端：主网格改为纵向堆叠，认证区（DOM 顺序位于联系区之后）自动落到「中文（简体）」下方 */
  .jdc-footer .jdc-footer-wrap-main {
    display: block;
    gap: 0;
  }
  /* 认证区与上方联系区（含语言选择器）之间留出间距 */
  .jdc-footer .jdc-footer-wrap-main > .jdc-footer-cert {
    margin-top: 30px;
  }
  /* 纵向布局下左列改为自然高度、撑满整行 */
  .jdc-footer-left {
    flex: none;
    width: 100%;
  }
  .jdc-footer-cert .jdc-footer-wrap {
    flex-direction: row;
  }
  .jdc-footer-contact {
    width: auto;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid #e8eef8;
    padding-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "logo qr"
      "hotline qr"
      "mail lang";
    gap: 0 40px;
  }
  .jdc-footer-contact .jdc-footer-logo { grid-area: logo; }
  .jdc-footer-contact .consultation-hotline { grid-area: hotline; margin-top: 14px; }
  .jdc-footer-contact .consultation-mail { grid-area: mail; }
  .jdc-footer-contact .jdc-qrcode-wrap { grid-area: qr; }
  .jdc-footer-select { grid-area: lang; }
}

@media (max-width: 767px) {
  /* 服务保障栏 / 友情链接由 gb.css 的 hidden-xs 隐藏 */
  .jdc-footer .jdc-footer-wrap {
    padding: 24px 16px 30px;
  }
  .jdc-footer .jdc-footer-channel {
    display: block;
    width: 100%;
  }
  .jdc-footer .jdc-footer-channel-item {
    border-bottom: 1px solid #eef2f8;
  }
  .jdc-footer .jdc-footer-channel-item dt {
    position: relative;
    margin: 0;
    padding: 15px 0 15px 34px;
    cursor: pointer;
    font-size: 14px;
  }
  .jdc-footer .jdc-footer-channel-item dt::after { display: none; }
  .jdc-footer .jdc-common-arr { position: relative; }
  /* 手机端交互动效：圆角方块徽章 + 箭头平滑旋转（不再使用圆圈，无弹跳） */
  .jdc-footer .jdc-common-arr::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: #eef4ff;
    border: 1px solid #c9dcf7;
    transform: translateY(-50%);
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
    pointer-events: none;
  }
  .jdc-footer .jdc-common-arr::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-right: 1.8px solid #4a7fd6;
    border-bottom: 1.8px solid #4a7fd6;
    transform: translateY(-50%) rotate(45deg);
    transition: transform .35s ease, border-color .3s ease;
  }
  .jdc-footer .jdc-footer-channel-item.active .jdc-common-arr::before {
    background: linear-gradient(135deg, #006fff, #38b6ff);
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(0, 111, 255, .28);
  }
  .jdc-footer .jdc-footer-channel-item.active .jdc-common-arr::after {
    transform: translateY(-50%) rotate(225deg);
  }
  .jdc-footer .jdc-footer-channel-item dd { display: none; }
  .jdc-footer .jdc-footer-channel-item.active dd { display: block; }
  .jdc-footer .jdc-footer-channel-item dd { padding: 3px 0 3px 8px; }

  .jdc-footer-contact {
    display: block;
    border-top: none;
    padding-top: 6px;
  }
  .jdc-footer-contact .consultation-hotline { margin-top: 14px; }
  .jdc-qrcode-wrap { margin-top: 18px; }
  .jdc-qrcode { justify-content: flex-start; flex-wrap: wrap; }
  .jdc-qr-hd { text-align: left; }
  .jdc-footer-select { margin-top: 18px; }

  /* 认证图：位于「中文（简体）」语言选择器下方，2 行 3 列，每行 3 个（内层 wrap 左右内边距归零，与导航列对齐） */
  .jdc-footer .jdc-footer-wrap-main > .jdc-footer-cert { margin-top: 18px; }
  .jdc-footer-cert .jdc-footer-wrap { padding: 2px 0 28px; gap: 14px; }
  .jdc-cert-item { width: auto; flex: 0 0 calc((100% - 28px) / 3); height: 42px; }
  .jdc-footer-copybar { padding: 14px 16px; }
  /* 手机端：三个备案各自独占一行 */
  .jdc-footer-record {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .jdc-footer-record .copy-sep { display: none; }
  .jdc-footer-record .jdc-record-item { display: inline-flex; }
}