.text-neutral{color:#000}.text-neutral-inverted{color:#fff}.text-neutral-600{color:gray}.text-neutral-700{color:#666}.text-neutral-800{color:#4d4d4d}.text-blue{color:#135b98}.text-error{color:#da1e28}.bg-Neutral-100{background-color:#000}.bg-grey-100{background-color:#f6f6f6}.es-heading-h1{font-size:16px}.es-heading-h2{font-size:14px}.es-heading-h3,.es-heading-h4,.es-body-regular{font-size:12px}.es-primary-link{cursor:pointer;text-decoration:none;color:#135b98!important;word-break:break-word!important}.es-ellipsis-clamp-2{text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}@media (width>=767px){.es-heading-h1{font-size:24px}.es-heading-h2{font-size:20px}.es-heading-h3{font-size:16px}.es-heading-h4,.es-body-regular{font-size:14px}}.fs-200{font-size:12px}.fs-300{font-size:14px}.fs-400{font-size:16px}.fs-500{font-size:18px}.fs-600{font-size:20px}.fs-700{font-size:24px}.fs-800{font-size:28px}.es-main-container{width:100vw;padding:0 16px}.es-header{border-bottom:1px solid #e6e6e6;height:44px}.es-footer{border-top:1px solid #e6e6e6;height:227px}.es-footer .es-footer-logos{background:#fff;justify-content:space-between;height:76px}.es-footer .es-footer-text{color:#fff;background-color:#000;flex-direction:column;justify-content:center;height:151px;display:flex}.es-footer .es-footer-text>a+a,.es-footer .es-footer-text>p+a{margin-top:12px}@media (width>=767px){.es-main-container{width:100vw;padding:0 30px}.es-header{height:96px}.es-footer{height:167px}.es-footer .es-footer-logos{height:117px}.es-footer .es-footer-text{color:#fff;align-items:center;justify-content:unset;background-color:#000;flex-flow:wrap;height:50px;display:flex}.es-footer .es-footer-text>a+a,.es-footer .es-footer-text>p+a{margin-top:0;margin-left:16px}}.es-flex-row{flex-direction:row;display:flex}.es-flex-column{flex-direction:column;display:flex}.es-flex-center-h{justify-content:center}.es-flex-center-v{align-items:center}.es-flex-center{justify-content:center;align-items:center}.es-button-primary{color:#fff;background:#135b98;border-color:#135b98;border-radius:8px}.es-button-primary[data-type=inverted]{color:#135b98;background:#fff;border-color:currentColor}:root{--vt-c-white:#fff;--vt-c-white-soft:#f8f8f8;--vt-c-white-mute:#f2f2f2;--vt-c-black:#181818;--vt-c-black-soft:#222;--vt-c-black-mute:#282828;--vt-c-indigo:#2c3e50;--vt-c-divider-light-1:#3c3c3c4a;--vt-c-divider-light-2:#3c3c3c1f;--vt-c-divider-dark-1:#545454a6;--vt-c-divider-dark-2:#5454547a;--vt-c-text-light-1:var(--vt-c-indigo);--vt-c-text-light-2:#3c3c3ca8;--vt-c-text-dark-1:var(--vt-c-white);--vt-c-text-dark-2:#ebebeba3;--color-background:var(--vt-c-white);--color-background-soft:var(--vt-c-white-soft);--color-background-mute:var(--vt-c-white-mute);--color-border:var(--vt-c-divider-light-2);--color-border-hover:var(--vt-c-divider-light-1);--color-heading:var(--vt-c-text-light-1);--color-text:var(--vt-c-text-light-1);--section-gap:160px}*,:before,:after{box-sizing:border-box;margin:0;font-weight:400}body{min-height:100vh;color:var(--color-text);background:var(--color-background);text-rendering:optimizelegibility;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:15px;line-height:1.4;transition:color .5s,background-color .5s}html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{font-size:100%;font:inherit;vertical-align:baseline;border:0;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}table{border-collapse:collapse;border-spacing:0}#app{margin:0 auto;font-weight:400}@media (width>=1024px){body{place-items:center;display:flex}#app{grid-template-columns:1fr;display:grid}}@font-face{font-family:nexussans;src:url(https://corp.elseviercdn.cn/elswp/matrix/includes/webfonts/nexussanswebpro-regular.woff2)format("woff2"),url(https://corp.elseviercdn.cn/elswp/matrix/includes/webfonts/nexussanswebpro-regular.woff)format("woff");font-display:swap}@font-face{font-family:nexussans-bold;src:url(https://corp.elseviercdn.cn/elswp/matrix/includes/webfonts/nexussanswebpro-bold.woff2)format("woff2"),url(https://corp.elseviercdn.cn/elswp/matrix/includes/webfonts/nexussanswebpro-bold.woff)format("woff");font-display:swap}@font-face{font-family:Shaker2LancetR;src:url(/assets/Shaker2LancetR%20v2-D_INvYRn.otf)format("opentype");font-weight:400;font-style:normal}@font-face{font-family:Shaker2LancetB;src:url(/assets/Shaker2LancetB%20v2---EoV2pt.otf)format("opentype");font-weight:700;font-style:normal}html{font-size:16px}body{color:#4d4d4d;-webkit-tap-highlight-color:transparent;font-family:nexussans,arial,sans-serif;font-size:1rem}.display-on-mb{display:block!important}.display-on-pc{display:none!important}.text-italic{font-style:italic}.text-ellipsis-row-2{text-overflow:ellipsis;line-clamp:2;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.text-ellipsis-row-3{text-overflow:ellipsis;line-clamp:3;-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}@media screen and (width>=768px){.display-on-mb{display:none!important}.display-on-pc{display:block!important}}.flex-wrapper[data-v-46240a2b]{flex-flow:wrap;width:100%;margin-bottom:5px;display:flex}.external-link[data-v-46240a2b]{cursor:pointer;margin-right:40px;padding:0;text-decoration:none;display:inline-block}.external-link .link-text[data-v-46240a2b]{color:#000;display:inline-block}.text-grey4[data-v-46240a2b]{color:#53565a}.petrol-blue[data-v-46240a2b]{color:#007398}.default-font-family[data-v-46240a2b]{font-family:arial,sans-serif}.footer-beian-icon[data-v-46240a2b]{margin-right:5px}.footer-relx[data-v-46240a2b]{width:110px;margin-bottom:8px;margin-left:auto}.footer_container[data-v-46240a2b]{margin-top:2rem;font-size:14px;line-height:24px}.footer_container[data-v-46240a2b]:before{content:"";background-color:#ff6c00;width:100%;height:2px;display:block}.footer_container .footer_row[data-v-46240a2b]{max-width:none;padding-top:34px;padding-bottom:34px;position:relative}.footer_container .footer_row .inner-container[data-v-46240a2b]{box-sizing:border-box;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px;position:relative}.footer_container .footer_row .inner-container .footer_column[data-v-46240a2b]{box-sizing:border-box;padding-left:8px;padding-right:8px}.footer_container .footer_row .inner-container .footer_col_1[data-v-46240a2b]{flex:40%;order:1;width:8.33333%;min-width:120px;margin-top:24px}.footer_container .footer_row .inner-container .footer_col_8[data-v-46240a2b]{flex:100%;width:83.3333%;min-width:350px}@media screen and (width>=768px){.secure-payment-column[data-v-46240a2b]{padding:40px 48px}.secure-payment-column .secure-payment-container .secure-payment-text[data-v-46240a2b]{text-align:center;width:auto;margin:0 48px 0 0;font-size:.625rem}.secure-payment-column .secure-payment-container .secure-payment-image[data-v-46240a2b]{width:auto;height:30px}.secure-payment-column .secure-payment-container .secure-payment-image[data-v-46240a2b]:not(:first-child){margin-left:40px}.footer_container .footer_row .inner-container[data-v-46240a2b]{padding-left:48px;padding-right:48px}.footer_container .footer_row .inner-container .footer_col_1[data-v-46240a2b]{flex:120px;order:unset;margin-top:0}.footer_container .footer_row .inner-container .footer_col_8[data-v-46240a2b]{flex:auto}.flex-wrapper[data-v-46240a2b]{flex-flow:row}}a[data-v-46efe07e]{color:inherit;text-decoration:none}.sticky-header{z-index:999;background:#fff;position:sticky;top:0}.es-header-panel{width:100%;margin:0}.es-header-panel span{font-size:1rem}.es-flex-end{justify-content:flex-end;align-items:center;height:100%}.es-header{background:#fff;flex-shrink:0;height:85px}.es-header .es-logo{max-width:100%;height:28px;max-height:100%}.es-header .navs-wrap{color:#000;cursor:pointer;gap:26px;font-size:16px}.es-header .navs-wrap .nav-item{word-break:keep-all}@media screen and (width<=1140px){.es-header{height:74px}.es-header .es-logo{height:22px}}.placeholder[data-v-8dff1a76]{filter:blur(10px);transform:scale(1)}.es-card[data-v-8dff1a76]{flex-direction:column;display:flex}.es-card .cover-wrapper[data-v-8dff1a76]{background:0 0;width:100%;padding-top:56.25%;position:relative;overflow:hidden}.es-card .cover-wrapper .cover[data-v-8dff1a76]{width:100%;position:absolute;top:0}.es-card .description[data-v-8dff1a76]{flex:1}.primaryTitle[data-v-8dff1a76]{overflow:initial;white-space:break-spaces;color:#005789;padding:0 0 12px;font-size:18px;font-weight:400;line-height:26px}.text-ellipsis-row-2[data-v-8dff1a76]{text-overflow:ellipsis;line-clamp:2;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.text-ellipsis-row-3[data-v-8dff1a76]{text-overflow:ellipsis;line-clamp:3;-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.copyright-panel[data-v-c3411093]{font-size:14px;position:relative}.copyright-panel .copyright-txt[data-v-c3411093]{cursor:pointer}.copyright-panel .copyright-body[data-v-c3411093]{color:#fff;z-index:1;background-color:#000;border-radius:2px;width:max-content;max-width:250px;padding:2.5px 5px;font-size:14px;position:absolute;top:0}@media screen and (width>=768px){.copyright-panel .copyright-body[data-v-c3411093]{max-width:300px}}@media screen and (width>=1140px){.copyright-panel .copyright-body[data-v-c3411093]{max-width:460px}}.foot-panel[data-v-e2bebf7e]{color:#135b98;justify-content:space-between;align-items:center;margin:2rem 0 0}.foot-panel .actions-panel[data-v-e2bebf7e]{cursor:pointer;font-size:16px}.foot-panel .actions-panel .action-icon[data-v-e2bebf7e]{margin-left:4.5px;font-size:14px}@media screen and (width>=768px){.foot-panel .actions-panel[data-v-e2bebf7e]{font-size:18px}}.latest-list-panel[data-v-152e1671]{margin-top:30px}.placeholder[data-v-0f46ee8a]{filter:blur(10px);min-height:200px;transform:scale(1)}.cover-wrapper .cover-image[data-v-0f46ee8a]{object-fit:cover;border:1px solid #979797;width:100%;min-width:150px}.body-wrapper .primaryTitle[data-v-0f46ee8a]{overflow:initial;white-space:break-spaces;text-align:center;color:#135b98;padding:15px 0;font-size:18px;text-decoration:underline}.journal-list-panel[data-v-819b7bbb]{margin-top:52px;font-size:18px}.journal-list-panel .actions-wrapper[data-v-819b7bbb]{color:#135b98;cursor:pointer;align-items:center;margin:35px 0;display:flex}.journal-list-panel .actions-wrapper .more-arrow-icon[data-v-819b7bbb]{margin-left:4.5px;font-size:14px;transform:rotate(90deg)}.actions-panel[data-v-3fb3cc8a]{cursor:pointer;align-items:center;gap:8px;margin-top:2rem}.about-panel[data-v-cb5fbdb1]{flex-direction:column;margin-top:1.5rem;display:flex}.about-panel .about-part2[data-v-cb5fbdb1]{margin-top:2rem}.about-panel .about-part2 .about-fig[data-v-cb5fbdb1]{object-fit:cover;width:100%;max-height:300px}@media screen and (width>=768px){.about-panel[data-v-cb5fbdb1]{flex-direction:row;font-size:1.125rem}.about-panel .flex-space-between[data-v-cb5fbdb1]{flex-direction:column;justify-content:space-between;display:flex}.about-panel .about-part1[data-v-cb5fbdb1]{margin-right:7%}.about-panel .about-part2[data-v-cb5fbdb1]{flex-shrink:0;width:280px;margin-top:0}.about-panel .about-part2 .about-fig[data-v-cb5fbdb1]{max-height:200px}}@media screen and (width>=1140px){.about-panel .about-part1[data-v-cb5fbdb1]{margin-right:10%}.about-panel .about-part2[data-v-cb5fbdb1]{margin-top:-40px}}.publication[data-v-3dce689b]{color:#fff}.publication .intro[data-v-3dce689b]{margin:16px 0 24px}.publication .container .sub-title[data-v-3dce689b]{margin-bottom:32px;font-size:1.25rem}.publication .container .list-container[data-v-3dce689b]{flex-wrap:wrap}.publication .container .list-container .resource-item[data-v-3dce689b]{width:50%;margin-bottom:20px}.publication .container .list-container .resource-item .resource-link[data-v-3dce689b]{color:#fff;text-decoration:underline}.publication .container .publication-part2[data-v-3dce689b]{border-top:2px solid #dcdcdc;margin-top:12px;padding-top:12px}.publication .container .publication-part2 .list-container .resource-item[data-v-3dce689b]{width:100%}.publication .actions-panel[data-v-3dce689b]{cursor:pointer;align-items:center;gap:8px;margin-top:2rem;font-weight:700}@media screen and (width>=768px){.publication[data-v-3dce689b]{font-size:1.125rem}.publication .container[data-v-3dce689b]{flex-direction:row;display:flex}.publication .container .resource-item[data-v-3dce689b]{margin-bottom:16px!important}.publication .container .publication-part1[data-v-3dce689b]{width:60%;padding-right:10%}.publication .container .publication-part2[data-v-3dce689b]{border-top:none;border-left:1px solid #979797;margin-top:0;padding-top:0;padding-left:10%}}.e-stack[data-v-26032632]{flex-direction:column;display:flex}.e-stack .e-stack-img[data-v-26032632]{width:100%}.e-stack .e-stack-img .inner-img[data-v-26032632]{width:100%;max-height:400px}.e-stack .e-stack-main[data-v-26032632]{justify-content:space-between;margin:16px 16px 32px}.e-stack .e-stack-main .e-stack-main-header[data-v-26032632]{margin-bottom:12px;font-size:1.125rem}.e-stack .e-stack-main .italic[data-v-26032632]{font-style:italic!important}@media screen and (width>=768px){.e-stack[data-v-26032632]{flex-direction:row}.e-stack .e-stack-img[data-v-26032632]{flex-shrink:0;width:40%;max-height:260px;margin-right:5%}.e-stack .e-stack-img .inner-img[data-v-26032632]{object-fit:cover;width:100%;block-size:100%}.e-stack .e-stack-main[data-v-26032632]{margin:0;font-size:1.125rem}.e-stack .e-stack-main .e-stack-main-header[data-v-26032632]{font-size:1.5rem}}.in-china-view .list-container[data-v-093677d2]{background:#fff;margin-top:18px}.in-china-view .list-container .copy-right[data-v-093677d2]{width:fit-content;margin-top:12px}.in-china-view .actions-panel[data-v-093677d2]{justify-content:left;align-items:center;gap:8px;margin-top:2rem;text-decoration:none}@media screen and (width>=768px){.in-china-view .list-container[data-v-093677d2]{padding:28px 50px 28px 36px}}.header[data-v-432c7fc3]{text-align:center;margin:60px 0;padding:30px}.list-container[data-v-432c7fc3]{text-align:center;flex-wrap:wrap;justify-content:center;width:300px;margin:0 auto 60px}.list-container .social-item[data-v-432c7fc3]{cursor:pointer;width:80px;margin:0 18px 36px;position:relative}.list-container .social-item.email[data-v-432c7fc3]{height:64px}.list-container .social-item .social-icon[data-v-432c7fc3]{height:40px}.list-container .social-item .code-container[data-v-432c7fc3]{z-index:99;width:160px;position:absolute;left:-50%}.list-container .social-item .code-container .social-code[data-v-432c7fc3]{width:100%;margin-top:-6px}.email-link[data-v-432c7fc3]{color:#fff;text-decoration:underline}@media screen and (width>=768px){.header[data-v-432c7fc3]{margin:40px 0}.list-container[data-v-432c7fc3]{width:100%;margin-bottom:0}.list-container .social-item[data-v-432c7fc3]{margin:0 18px}.list-container .social-item[data-v-432c7fc3]:not(.email){min-height:252px}.list-container .social-item .code-container[data-v-432c7fc3]{position:relative}}.footer-wrapper,.footer-wrapper[data-v-7358cdc3]{width:100vw}.es-grid-basic[data-v-7358cdc3]{grid-template-rows:min-content auto min-content;grid-template-columns:1fr;height:100vh;display:grid}@media screen and (width>=768px){.es-grid-basic[data-v-7358cdc3]{grid-template-rows:min-content auto min-content}}.section-container[data-v-44722a02]{background-color:var(--48ccf55c);width:100vw;padding:23px 16px}.section-container .section-block[data-v-44722a02]{width:100%}.section-header h1[data-v-44722a02]{font-size:20px}@media screen and (width>=768px){.section-container[data-v-44722a02]{padding:30px 16px}.section-container .section-block[data-v-44722a02]{max-width:1200px;margin:0 auto}.section-header h1[data-v-44722a02]{font-size:30px}}:where(img[data-v-1c0bc4f2],picture[data-v-1c0bc4f2]){max-inline-size:100%;display:block}.hero-container[data-v-1c0bc4f2]{color:#fff;padding-block:60px;position:relative}.hero-container .content-container[data-v-1c0bc4f2]{width:100vw;padding:0 16px}.hero-container .content-container .content-body[data-v-1c0bc4f2]{width:100%;padding:0 16px}.hero-container .content-container .content-body .title[data-v-1c0bc4f2]{color:#fff;white-space:pre-wrap;letter-spacing:-.02rem;font-family:Shaker2LancetB,Shaker2Lancet,nexussans,arial,sans-serif;font-size:2.25rem;font-weight:700}.hero-container .background-container[data-v-1c0bc4f2]{z-index:-1;background:#105998;grid-template-columns:repeat(12,1fr);width:100%;height:180px;display:grid;position:absolute;top:0;right:0}.hero-container .background-container .bg-left[data-v-1c0bc4f2]{grid-column:span 12}.hero-container .background-container .bg-right[data-v-1c0bc4f2]{display:none}.hero-container .background-container .hero-image[data-v-1c0bc4f2]{object-fit:cover;width:100%;max-height:180px;block-size:100%}@media screen and (width>=768px){.hero-container .content-container .content-body[data-v-1c0bc4f2]{max-width:1200px;margin:0 auto;padding:0}.hero-container .content-container .content-body .title[data-v-1c0bc4f2]{font-size:3rem;line-height:60px}.hero-container .background-container .bg-left[data-v-1c0bc4f2]{grid-column:span 7}.hero-container .background-container .bg-right[data-v-1c0bc4f2]{grid-column:span 5;display:block}}.section[data-v-c6db7da8]{width:100vw}