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span[data-v-91c5f68e]{font-size:18px}.serach_header.desktop-header-compact .nav_bar[data-v-91c5f68e]{margin-left:32px}.serach_header.desktop-header-compact .nav_bar .nav_item[data-v-91c5f68e]{white-space:nowrap}.serach_header.desktop-header-compact .nav_bar .nav_item[data-v-91c5f68e]:not(:last-child){margin-right:18px}.topcolor[data-v-91c5f68e]{background:#fff;box-shadow:0 2px 20px #00000012}.page-content[data-v-91c5f68e]{width:100%}.page-content .iconbox[data-v-91c5f68e]{margin-top:452px}.page-content .iconbox p[data-v-91c5f68e]{color:#333;font-family:AlibabaPuHuiTiB;font-size:40px;font-weight:700;height:50px;line-height:50px;text-align:center}.page-content .iconbox .iconlist[data-v-91c5f68e]{align-items:center;display:flex;justify-content:center;margin-top:43px}.page-content .iconbox .iconlist .iconitem[data-v-91c5f68e]:not(:last-child){margin-right:80px}.page-content 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.copyright[data-v-91c5f68e]{margin-top:136px}@media screen and (max-width:750px){.desktop-view[data-v-91c5f68e]{display:none!important}.desktop-hide-search[data-v-91c5f68e],.mobile-view[data-v-91c5f68e]{display:flex!important}img.mobile-view[data-v-91c5f68e]{display:block!important}.hide-on-mobile-teach[data-v-91c5f68e]{display:none!important}.home[data-v-91c5f68e]{overflow:hidden}header[data-v-91c5f68e]{align-items:center;-webkit-backdrop-filter:blur(1rem);backdrop-filter:blur(1rem);background:#000;background:#fff;display:flex;height:4.4rem;justify-content:space-between;left:0;padding:0;position:fixed;top:0;transition:all .3s ease;z-index:1200}header[data-v-91c5f68e],header .header_inner[data-v-91c5f68e]{box-sizing:border-box;width:100%}header .header_inner[data-v-91c5f68e]{padding:0 1.2rem}header.mobile-teach-header .header_right[data-v-91c5f68e]{flex:0 0 3rem;min-width:3rem}header.mobile-teach-header .header_right .logobox[data-v-91c5f68e]{margin-right:0}header.mobile-teach-header .header_right .logobox span[data-v-91c5f68e]{display:none}header.mobile-teach-header .actions_list[data-v-91c5f68e]{flex:1;justify-content:flex-end;min-width:0}header.mobile-teach-header .actions_list .mobileSearchBox[data-v-91c5f68e]{flex:1 1 auto;max-width:15.4rem;min-width:0;width:auto}header.mobile-teach-header .actions_list .mobilemenu[data-v-91c5f68e]{flex-shrink:0;margin-left:1.2rem}header.desktop-header-compact .header_right .logobox[data-v-91c5f68e]{margin-right:0}header.desktop-header-compact .actions_list .action_box[data-v-91c5f68e]:not(:last-child){margin-right:.6rem}header.desktop-header-compact .actions_list .mobilemenu[data-v-91c5f68e]{margin-left:.8rem}header .header_right .logobox[data-v-91c5f68e]{flex-shrink:1;margin-right:0;min-width:0}header .header_right .logobox img[data-v-91c5f68e]{height:3rem;width:3rem}header .header_right .logobox span[data-v-91c5f68e]{font-size:clamp(1rem,2.7vw,1.3rem)!important;min-width:0;overflow:hidden;text-overflow:ellipsis}header .mobilelogoimg[data-v-91c5f68e]{cursor:pointer;height:2.4rem;width:11.3rem}header .actions_list .mobileSearchBox[data-v-91c5f68e]{align-items:center;background:#f6f8fa;border:.1rem solid #c7cdd3;border-radius:10rem;box-sizing:border-box;display:flex;height:2.8rem;padding:0 .8rem;width:15.4rem}header .actions_list .mobileSearchBox img[data-v-91c5f68e]{height:1.6rem;width:1.6rem}header .actions_list .mobileSearchBox input[data-v-91c5f68e]{background:transparent;border:none;color:#999;font-family:PingFang SC;font-size:1.2rem;font-weight:400;width:calc(100% - 1.6rem)}header .actions_list .mobileSearchBox input[data-v-91c5f68e]:focus{outline:none}header .actions_list .action_box[data-v-91c5f68e]{border-radius:2.5rem;height:2.7rem;padding:.8rem .6rem}header .actions_list .Personal[data-v-91c5f68e]{color:#fff;font-family:PingFangSC,PingFang SC;font-size:1.2rem;font-weight:500}header .actions_list .Personal img[data-v-91c5f68e]{height:1.6rem;width:1.6rem}header .actions_list .mobilemenu[data-v-91c5f68e]{align-items:center;background:transparent;border:0;cursor:pointer;display:inline-flex;height:2.4rem;justify-content:center;margin-left:1.6rem;padding:0;width:2.4rem}header .actions_list .mobilemenu[data-v-91c5f68e]:focus-visible{outline:2px solid #0b2a43;outline-offset:3px}.page-content[data-v-91c5f68e]{width:100%}.page-content .iconbox[data-v-91c5f68e]{margin-top:17.8rem}.page-content .iconbox p[data-v-91c5f68e]{color:#333;font-family:AlibabaPuHuiTiB;font-size:1.6rem;height:2.5rem;line-height:2.5rem;text-align:center}.page-content .iconbox .iconlist[data-v-91c5f68e]{align-items:center;display:flex;justify-content:center;margin-top:2.4rem}.page-content .iconbox .iconlist .iconitem[data-v-91c5f68e]:not(:last-child){margin-right:2rem}.page-content .feedbackbanner[data-v-91c5f68e]{margin-top:2.3rem}.page-content .productsicon[data-v-91c5f68e]{margin-top:3.2rem}footer[data-v-91c5f68e]{align-items:center;background:#001c2d;display:flex;flex-direction:column;height:35rem;padding-top:2.6rem}footer[data-v-91c5f68e],footer .footer_inner[data-v-91c5f68e]{box-sizing:border-box;width:100%}footer .footer_inner[data-v-91c5f68e]{padding:0 1.6rem}footer .bottomtitle[data-v-91c5f68e]{background:url(../assets/home/bottomtitlebg.png) no-repeat 0 0;background-image:-webkit-image-set(url(../assets/home/bottomtitlebg.webp) type("image/webp"),url(../assets/home/bottomtitlebg.png) type("image/png"));background-image:image-set(url(../assets/home/bottomtitlebg.webp) type("image/webp"),url(../assets/home/bottomtitlebg.png) type("image/png"));background-size:contain;color:#fff;font-family:AlibabaPuHuiTiB;font-size:1.8rem;height:3.8rem;line-height:3.8rem;margin-bottom:2.5rem;padding:0 .4rem;text-align:center;width:-moz-max-content;width:max-content}footer .copyright[data-v-91c5f68e]{margin-top:0}}@media screen and (min-width:751px) and (max-width:1279px){.serach_header .header_right .logobox span[data-v-91c5f68e]{display:none}.serach_header .nav_bar[data-v-91c5f68e]{flex:1 1 auto;margin-left:24px;min-width:0;overflow-x:auto;scrollbar-width:none;white-space:nowrap}.serach_header .nav_bar[data-v-91c5f68e]::-webkit-scrollbar{display:none}.serach_header .nav_bar .nav_item[data-v-91c5f68e]{flex-shrink:0;font-size:13px;white-space:nowrap}.serach_header .nav_bar .nav_item[data-v-91c5f68e]:not(:last-child){margin-right:8px}.serach_header .serach_input[data-v-91c5f68e]{box-sizing:border-box;flex-shrink:0;margin-left:12px;margin-right:12px;width:clamp(160px,22vw,300px)}}@media screen and (min-width:960px) and (max-width:1279px){header .header_inner[data-v-91c5f68e]{width:min(var(--content-max-width),100% - 96px)}header .header_right .logobox[data-v-91c5f68e]{margin-right:28px}header .header_right .logobox span[data-v-91c5f68e]{font-size:18px}header .header_right .top_menu_list .top_menu_item[data-v-91c5f68e]{padding:10px 6px}header .header_right .top_menu_list .top_menu_item[data-v-91c5f68e]:not(:last-child){margin-right:18px}header .actions_list .action_box[data-v-91c5f68e]{padding:11px 18px}header .actions_list .action_box[data-v-91c5f68e]:not(:last-child){margin-right:16px}.serach_header .header_inner[data-v-91c5f68e]{width:min(var(--content-max-width),100% - 96px)}.serach_header .nav_bar[data-v-91c5f68e]{margin-left:32px}.serach_header .nav_bar .nav_item[data-v-91c5f68e]:not(:last-child){margin-right:18px}}@media screen and (min-width:960px) and (max-width:1099px){header .header_right .logobox[data-v-91c5f68e]{margin-right:20px}header .header_right .logobox span[data-v-91c5f68e]{display:none}}@media screen and (min-width:751px) and (max-width:959px){header .header_inner[data-v-91c5f68e]{width:calc(100% - 96px)}header .header_right .logobox[data-v-91c5f68e]{margin-right:0}header .header_right .logobox span[data-v-91c5f68e]{display:none}header .header_right .top_menu_list .top_menu_item[data-v-91c5f68e]{font-size:14px;padding:10px 4px}header .header_right .top_menu_list .top_menu_item[data-v-91c5f68e]:not(:last-child){margin-right:10px}header .actions_list .action_box[data-v-91c5f68e]{font-size:14px;height:40px;padding:9px 12px}header .actions_list .action_box[data-v-91c5f68e]:not(:last-child){margin-right:8px}}.error-page[data-v-35948dca]{--error-brand:#006fc4;align-items:center;background:linear-gradient(135deg,#f5fbff,#eef7ff);box-sizing:border-box;color:#2c3e50;display:grid;font-family:Avenir,Helvetica,Arial,sans-serif;min-height:100vh;padding:32px 20px}.error-card[data-v-35948dca]{background:#fffffff0;border:1px solid #e2f0fb;border-radius:24px;box-shadow:0 18px 50px #005b991a;box-sizing:border-box;margin:0 auto;max-width:560px;padding:clamp(36px,8vw,64px) clamp(24px,8vw,72px);text-align:center;width:100%}.error-mark[data-v-35948dca]{align-items:center;background:#e7f4ff;border-radius:50%;display:flex;font-size:28px;font-weight:700;height:64px;justify-content:center;margin:0 auto 24px;width:64px}.error-code[data-v-35948dca],.error-mark[data-v-35948dca]{color:var(--error-brand)}.error-code[data-v-35948dca]{font-size:clamp(4.8rem,13vw,7.2rem);font-weight:800;letter-spacing:.04em;line-height:.9;margin:0 0 20px}h1[data-v-35948dca]{font-size:clamp(2.2rem,5vw,3.2rem);line-height:1.3;margin:0}.error-description[data-v-35948dca]{color:#607589;font-size:1.6rem;line-height:1.7;margin:16px auto 28px;max-width:420px}.home-button[data-v-35948dca]{background:var(--error-brand);border:0;border-radius:999px;color:#fff;cursor:pointer;font:inherit;font-size:1.6rem;font-weight:600;min-height:44px;padding:12px 28px;transition:background-color .2s ease,transform .2s ease}.home-button[data-v-35948dca]:hover{background:#005a9e;transform:translateY(-1px)}.home-button[data-v-35948dca]:focus-visible{outline:3px solid rgba(0,111,196,.3);outline-offset:4px}@media (max-width:480px){.error-page[data-v-35948dca]{padding:20px 16px}.error-card[data-v-35948dca]{border-radius:20px}}