@media screen and (max-width: 768px) {
  .about-page-body {
    width: 100%;
    min-width: 0;
    overflow-x: hidden;
    background: #f7f8fa;
  }

  .about-page-body .about-page {
    width: auto;
    margin: 12px 16px 24px 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    box-sizing: border-box;
  }

  .about-page-body .about-left {
    width: 92px;
    min-width: 92px;
    flex: 0 0 92px;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: #fff;
    box-sizing: border-box;
    overflow: hidden;
    position: sticky;
    top: 68px;
    z-index: 2;
  }

  .about-page-body .about-left-tab {
    display: block;
    width: 100%;
    padding: 0;
    overflow: visible;
  }

  .about-page-body .about-left-tab li {
    width: 100%;
    min-width: 0;
    min-height: 52px;
    margin: 0;
    padding: 8px 7px;
    border: 0;
    border-bottom: 1px solid #f0f2f5;
    border-radius: 0;
    background: #fff;
    color: #626c81;
    font-size: 13px;
    white-space: normal;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .about-page-body .about-left-tab li.active,
  .about-page-body .about-left-tab li:hover {
    border-color: #ff3f29;
    background: #ff3f29;
    border-radius: 4px;
    color: #fff;
  }

  .about-page-body .about-left-tab li i {
    display: none;
  }

  .about-page-body .about-right {
    width: auto;
    min-width: 0;
    flex: 1 1 auto;
    height: auto;
    min-height: calc(100vh - 368px);
    margin: 0;
    padding: 0 8px 24px;
    border: 0;
    border-radius: 6px;
    background: #fff;
    overflow: visible;
    box-sizing: border-box;
    position: relative;
  }

  .about-page-body .about-quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    min-height: 42px;
    padding: 0 0 8px;
    align-items: center;
    justify-content: flex-end;
    border-bottom: 0;
  }

  .about-page-body .about-quick-links a {
    color: #626c81;
    font-size: 13px;
    line-height: 20px;
    text-decoration: none;
  }

  .about-page-body .about-quick-links a:active {
    color: #ff3f29;
  }

  .about-page-body .problem-detail-open .about-quick-links {
    display: none;
  }

  .mobile-about-quick-links {
    position: absolute;
    top: 6px;
    right: 14px;
  }

  .about-page-body .about-right .about-item {
    display: none;
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .about-page-body .about-item-h3 {
    height: auto;
    min-height: 42px;
    margin: 0;
    padding: 10px 0;
    color: #2a3342;
    font-size: 18px;
    line-height: 22px;
    box-sizing: border-box;
  }

  .about-page-body .about-item-content {
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .about-page-body .about-item-content p {
    margin: 14px 0 0;
    color: #626c81;
    font-size: 14px;
    line-height: 1.85;
    text-indent: 0;
    overflow-wrap: anywhere;
  }

  .about-page-body .about-item-content p[style] {
    font-size: 14px !important;
    line-height: 1.85 !important;
  }

  .about-page-body .about-new-image {
    display: block;
    margin-top: 20px;
  }

  .about-page-body .about-new-image img {
    display: block;
    width: 100%;
    margin-bottom: 12px;
  }

  .about-page-body .about-new-image img:last-child {
    margin-bottom: 0;
  }

  .about-page-body .about-item-content p.contact-p {
    margin-top: 14px;
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.9;
    overflow-wrap: anywhere;
  }

  .about-page-body .about-item-content > div[style*="margin-top"] {
    margin-top: 20px !important;
  }

  .about-page-body .about-item-content > div[style*="margin-top"] img {
    display: block;
    width: 100% !important;
    height: auto;
  }

  .about-page-body .feedback-p {
    margin-bottom: 20px;
    padding-left: 10px;
    border-left-width: 2px;
  }

  .about-page-body .textarea-input {
    margin-top: 26px;
    width: 100%;
  }

  .about-page-body .textarea-input-h3 {
    margin: 0 0 8px;
    font-size: 14px;
    line-height: 20px;
  }

  .about-page-body .textarea-input-ul {
    display: block;
  }

  .about-page-body .textarea-input-ul li {
    width: 100%;
    margin-bottom: 16px;
  }

  .about-page-body .textarea-input-ul li .textarea-input-h3 {
    margin-bottom: 6px;
  }

  .about-page-body .textarea-input-ul li input {
    width: 100%;
    height: 40px;
    padding: 0 10px;
    font-size: 14px;
    box-sizing: border-box;
  }

  .about-page-body .about-item-textarea {
    width: 100%;
    min-height: 140px;
    margin: 8px 0 20px;
    font-size: 14px;
    box-sizing: border-box;
  }

  .about-page-body .textarea-input-phone {
    display: flex;
    gap: 10px;
    width: 100%;
    align-items: center;
  }

  .about-page-body .textarea-input-phone input {
    width: 132px;
    max-width: 48%;
    height: 36px;
    padding: 0 8px;
    box-sizing: border-box;
  }

  .about-page-body .textarea-input-phone img {
    display: block;
    width: auto;
    max-width: calc(52% - 10px);
    height: 36px;
    object-fit: contain;
  }

  .about-page-body .about-item-button {
    width: 100%;
    height: 40px;
    margin-top: 22px;
    padding: 0;
    font-size: 15px;
    line-height: 40px;
  }

  .about-page-body .msgbox-popup {
    background: rgba(24, 28, 35, 0.42);
    padding: 16px;
    box-sizing: border-box;
  }

  .about-page-body .msgbox-popup .mask-content.msgbox {
    width: 90%;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(24, 28, 35, 0.18);
    box-sizing: border-box;
  }

  .about-page-body .msgbox-popup .points-tips-content-title {
    height: 40px;
    padding: 0 40px 0 16px;
    background: #fff;
    border-radius: 8px 8px 0 0;
    box-sizing: border-box;
  }

  .about-page-body .msgbox-popup .points-tips-content-title .icon-close {
    top: 12px;
    right: 14px;
    color: #8993a6;
    font-size: 15px;
    line-height: 16px;
  }

  .about-page-body #msgbox-p {
    width: 100%;
    margin: 0;
    padding: 12px 20px 24px;
    color: #626c81;
    font-size: 15px;
    line-height: 24px;
    text-align: left;
    overflow-wrap: anywhere;
    box-sizing: border-box;
  }

  .about-page-body .common-problem {
    margin: 0;
    padding: 5px 0 0;
  }

  .about-page-body .common-problem-first,
  .about-page-body .common-problem-third {
    width: 100%;
  }

  .about-page-body .common-problem-first .about-item-h3 {
    margin-bottom: 6px;
  }

  .about-page-body .common-problem li {
    width: 100%;
    min-height: 44px;
    margin: 10px 0;
    padding: 11px 12px;
    border: 1px solid #f3d8d4;
    font-size: 14px;
    line-height: 20px;
    box-sizing: border-box;
  }

  .about-page-body .common-problem li span {
    min-width: 0;
    flex: 1;
    overflow-wrap: anywhere;
  }

  .about-page-body .el-pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 16px 0 4px;
  }

  .about-page-body .el-pagination .el-pagination__sizes,
  .about-page-body .el-pagination .el-pagination__jump {
    display: none;
  }

  .about-page-body .el-pagination button,
  .about-page-body .el-pagination .el-pager li {
    min-width: 30px;
    height: 30px;
    line-height: 30px;
  }

  .about-page-body .el-pagination button {
    padding: 0 6px;
  }

  .about-page-body .common-problem-third .about-item-h3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding-right: 0;
  }

  .about-page-body .problem-detail-open .common-problem-third .about-item-h3 {
    min-height: 48px;
    padding-top: 12px;
    padding-bottom: 10px;
    border-bottom-color: #e8ebf0;
  }

  .mobile-third span {
    display: contents;
    max-width: calc(100% - 100px);
    font-size: 14px;
  }

  .about-page-body .common-problem-third .about-item-h3 .el-button {
    flex: none;
    width: 90px;
    height: 30px;
    margin: 0;
    padding: 0 8px;
    border-radius: 4px;
    color: #409EFF;
    font-size: 13px;
    line-height: 28px;
  }

  .about-page-body .hot-content-box {
    padding: 2px 0 8px;
    color: #626c81;
    font-size: 14px;
    line-height: 1.85;
    overflow-wrap: anywhere;
  }

  .about-page-body .hot-content-box img {
    max-width: 100%;
    height: auto;
  }

  .about-page-body .problem-detail-open .hot-content-box {
    padding-top: 10px;
    padding-bottom: 20px;
  }

  .about-page-body .user-agreement-box {
    width: 100%;
    height: auto;
    overflow: visible;
    font-family: PingFang SC, "Microsoft YaHei", sans-serif;
  }

  .about-page-body .user-agreement-box h1 {
    margin: 18px 0 20px;
    font-size: 18px;
    line-height: 26px;
  }

  .about-page-body .user-agreement-box h3 {
    margin: 16px 0 8px;
    font-size: 15px;
    line-height: 1.6;
  }

  .about-page-body .user-agreement-box p {
    margin: 10px 0;
    font-size: 14px;
    line-height: 1.8;
    overflow-wrap: anywhere;
  }

  .about-page-body .footer-box {
    width: 100%;
    min-width: 0;
    padding: 18px 0 14px;
  }

  .about-page-body .footer-box .footer-box {
    padding: 0;
  }

  .about-page-body .footer-content {
    width: 100%;
    padding: 0 14px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-sizing: border-box;
  }

  .about-page-body .footer-content > div:first-child,
  .about-page-body .footer-aboutUs {
    width: 100%;
  }

  .about-page-body .footer-logo {
    margin: 0;
  }

  .about-page-body .footer-logo img {
    width: min(70vw, 260px);
  }

  .about-page-body .footer-links {
    margin: 10px 0 5px;
  }

  .about-page-body .footer-links-list {
    align-items: flex-start;
  }

  .about-page-body .footer-links-item {
    width: 33.333%;
    min-height: 28px;
    margin: 0;
    padding: 0 8px 0 0;
    font-size: 9px;
    line-height: 13px;
  }

  .about-page-body .footer-menu {
    width: 100%;
    margin: 5px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 5px 12px;
  }

  .about-page-body .footer-menu .footer-menu-li {
    margin: 0;
    font-size: 9px;
  }

  .about-page-body .copyright p {
    margin: 0;
    font-size: 8px;
    line-height: 13px;
  }

  .about-page-body .copyright p a {
    font-size: 8px;
  }

  .about-page-body .footer-aboutUs {
    margin-top: 12px;
  }

  .about-page-body .footer-ervm-box {
    width: 100%;
    justify-content: space-between;
    gap: 7px;
  }

  .about-page-body .footer-ervm-box .footer-ervm-item {
    width: calc(20% - 5.6px);
    margin: 0;
  }

  .about-page-body .footer-ervm-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    border-width: 2px;
  }

  .about-page-body .footer-ervm-item p {
    width: 100%;
    margin: 4px 0 0;
    overflow: hidden;
    font-size: 8px;
    line-height: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media screen and (max-width: 359px) {
  .about-page-body .about-page {
    margin-right: 10px;
    margin-left: 10px;
    gap: 8px;
  }

  .about-page-body .about-left {
    width: 82px;
    min-width: 82px;
    flex-basis: 82px;
  }

  .about-page-body .about-left-tab li {
    padding-right: 5px;
    padding-left: 5px;
    font-size: 12px;
  }
}

/* 上一页/下一页箭头改用纯 CSS 绘制，不再依赖图标字体（鸿蒙上曾出现箭头消失） */
@media screen and (max-width: 768px) {
  .about-page-body .el-pagination .btn-prev,
  .about-page-body .el-pagination .btn-next {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: none;
    transform: none;
  }
  .about-page-body .el-pagination .btn-prev::after,
  .about-page-body .el-pagination .btn-next::after {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-left: 1.5px solid #909399;
    border-bottom: 1.5px solid #909399;
    transform: rotate(45deg);
  }
  .about-page-body .el-pagination .btn-next::after { transform: rotate(-135deg); }
  .about-page-body .el-pagination button .el-icon { display: none; }
  .about-page-body .el-pagination .el-pager .more::before { content: '\2026'; font-family: Arial, sans-serif; }
}