Email zf25@cornell.edu

Zhangjun Fei

BTI Faculty Core Member

Select your accessibility profile

Vision Impaired Mode

Enhances website's visuals

Seizure Safe Profile

Clear flashes & reduces color

ADHD Friendly Mode

Focused browsing, distraction-free

Blindness Mode

Reduces distractions, improves focus

Epilepsy Safe Mode

Dims colors and stops blinking

Content Modules

Font Size

Default

Line Height

Default

Color Modules

Orientation Modules

Skip To Content

html{--pix-pagetransition-bg:#fff}img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important}.ai-summarization-summary{--ai-summary-border-color:#1d2327;--ai-summary-background-color:rgba(29,35,39,.04);background-color:var(--ai-summary-background-color);border-left:4px solid var(--ai-summary-border-color);padding:1em 1.25em}.ai-summarization-summary>:last-child{margin-bottom:0}.ai-summarization-plugin-container .components-button.ai-summarization-plugin-button{justify-content:center;width:100%}.ai-summarization-plugin-container .description{color:#757575}.block-editor-block-popover .ai-summarization-block-controls-button{height:46px;margin-top:1px}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,#0693e3 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,#fcb900 0%,#ff6900 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,#ff6900 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px #fff,6px 6px #000;--wp--preset--shadow--crisp:6px 6px 0px #000}:where(body){margin:0}.wp-site-blocks>.alignleft{float:left;margin-right:2em}.wp-site-blocks>.alignright{float:right;margin-left:2em}.wp-site-blocks>.aligncenter{justify-content:center;margin-left:auto;margin-right:auto}:where(.is-layout-flex){gap:.5em}:where(.is-layout-grid){gap:.5em}.is-layout-flow>.alignleft{float:left;margin-inline-start:0;margin-inline-end:2em}.is-layout-flow>.alignright{float:right;margin-inline-start:2em;margin-inline-end:0}.is-layout-flow>.aligncenter{margin-left:auto !important;margin-right:auto !important}.is-layout-constrained>.alignleft{float:left;margin-inline-start:0;margin-inline-end:2em}.is-layout-constrained>.alignright{float:right;margin-inline-start:2em;margin-inline-end:0}.is-layout-constrained>.aligncenter{margin-left:auto !important;margin-right:auto !important}.is-layout-constrained>:where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left:auto !important;margin-right:auto !important}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex>:is(*, div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid>:is(*, div){margin:0}body{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px}:root :where(.wp-element-button, .wp-block-button__link){background-color:#32373c;border-width:0;color:#fff;font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;line-height:inherit;padding-top:calc(.667em + 2px);padding-right:calc(1.333em + 2px);padding-bottom:calc(.667em + 2px);padding-left:calc(1.333em + 2px);text-decoration:none;text-transform:inherit}.has-black-color{color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-color{color:var(--wp--preset--color--white) !important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important}.has-black-background-color{background-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-background-color{background-color:var(--wp--preset--color--white) !important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important}.has-black-border-color{border-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-border-color{border-color:var(--wp--preset--color--white) !important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important}:root :where(.wp-block-icon svg){width:24px}:where(.wp-block-post-template.is-layout-flex){gap:1.25em}:where(.wp-block-post-template.is-layout-grid){gap:1.25em}:where(.wp-block-term-template.is-layout-flex){gap:1.25em}:where(.wp-block-term-template.is-layout-grid){gap:1.25em}:where(.wp-block-columns.is-layout-flex){gap:2em}:where(.wp-block-columns.is-layout-grid){gap:2em}:root :where(.wp-block-pullquote){font-size:1.5em;line-height:1.6}.onetap-container-toggle .onetap-toggle svg,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-site-container .onetap-site-info .onetap-image svg{fill:#009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-feature.onetap-lv2 .onetap-title p.onetap-option-levels span.onetap-level.onetap-level1,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-feature.onetap-lv2 .onetap-title p.onetap-option-levels span.onetap-level.onetap-level2,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-feature.onetap-lv3 .onetap-title p.onetap-option-levels span.onetap-level.onetap-level1,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-feature.onetap-lv3 .onetap-title p.onetap-option-levels span.onetap-level.onetap-level2,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-feature.onetap-lv3 .onetap-title p.onetap-option-levels span.onetap-level.onetap-level3,.onetap-container-toggle .onetap-toggle img,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration .box-btn-action button.hide-toolbar,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-step-controls .onetap-new-level .onetap-btn,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-reset-settings button,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-site-container,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings div.onetap-multi-functional-feature .onetap-box-functions .onetap-functional-feature.onetap-active .onetap-right .box-swich label.switch input+.slider,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings div.onetap-multi-functional-feature .onetap-box-functions .onetap-functional-feature .onetap-right .box-swich label.switch input:checked+.slider,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings div.onetap-multi-functional-feature .onetap-box-functions .onetap-functional-feature.onetap-active div.onetap-right div.box-swich label.switch span.slider.round:hover,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-step-controls .onetap-new-level .onetap-title .box-btn .onetap-btn,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings div.onetap-multi-functional-feature .onetap-box-functions .onetap-functional-feature.onetap-active .onetap-left svg,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-active .onetap-icon .onetap-icon-animation svg{background:#009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-step-controls .onetap-new-level .onetap-btn,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-step-controls .onetap-new-level .onetap-title .box-btn .onetap-btn{color:#009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration form label input[type='radio']:checked{accent-color:#009344 !important;box-shadow:0 0 0 1px #009344 !important;background:#009344 !important}.onetap-container-toggle .onetap-toggle img.design-border1{box-shadow:0 0 0 4px #009344}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration form label.active,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration form label:focus-visible,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration form label:hover{outline:none !important;border:1px solid #009344 !important;box-shadow:0 0 0 1px #009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .accessibility-status-wrapper .accessibility-status-text button:focus,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration .box-btn-action button:focus{outline:2px solid #009344 !important;outline-offset:2px !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings div.onetap-multi-functional-feature .onetap-box-functions .onetap-functional-feature .onetap-right .box-swich label.switch:focus .slider,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-reset-settings button:focus,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-list-of-languages ul li button:focus{outline:2px solid #009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature:hover,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature:focus-visible,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features button.onetap-box-feature.onetap-inactive:hover,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-active,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-active.onetap-text-align-mode-left,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-active.onetap-text-align-mode-center,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-active.onetap-text-align-mode-right,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-box-features .onetap-box-feature.onetap-inactive:focus-visible,nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings .onetap-features-container .onetap-features .onetap-skip-content-control select:focus-visible{border-color:#009344 !important;box-shadow:0 0 0 1px #009344 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .toolbar-hide-duration .box-hide-duration .box-btn-action button.hide-toolbar{border-color:#009344 !important}@media only screen and (max-width: 576px){.onetap-container-toggle .onetap-toggle{left:0 !important;margin-left:20px !important;right:unset !important;margin-right:unset !important;bottom:0 !important;margin-bottom:20px !important;top:unset !important;margin-top:unset !important}nav.onetap-accessibility.onetap-plugin-onetap{left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-toggle-open{left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{right:20px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl{right:unset !important;left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl.onetap-toggle-open{right:unset !important;left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{right:20px !important;left:unset !important}}@media only screen and (min-width: 576px) and (max-width: 991.98px){.onetap-container-toggle .onetap-toggle{left:0 !important;margin-left:20px !important;right:unset !important;margin-right:unset !important;bottom:0 !important;margin-bottom:20px !important;top:unset !important;margin-top:unset !important}nav.onetap-accessibility.onetap-plugin-onetap{left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-toggle-open{left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{left:calc(530px - 20px) !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl{right:unset !important;left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl.onetap-toggle-open{right:unset !important;left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{right:20px !important;left:unset !important}}@media only screen and (min-width: 992px){.onetap-container-toggle .onetap-toggle{left:0 !important;margin-left:20px !important;right:unset !important;margin-right:unset !important;bottom:0 !important;margin-bottom:20px !important;top:unset !important;margin-top:unset !important}nav.onetap-accessibility.onetap-plugin-onetap{left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-toggle-open{left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{left:calc(530px - 20px) !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl{right:unset !important;left:-580px !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl.onetap-toggle-open{right:unset !important;left:0 !important}nav.onetap-accessibility.onetap-plugin-onetap.onetap-rtl .onetap-container .onetap-accessibility-settings header.onetap-header-top .onetap-close{right:20px !important;left:unset !important}}header.onetap-header-top .onetap-site-container .onetap-site-info .onetap-desc{display:none !important}header.onetap-header-top .onetap-site-container .onetap-site-info .onetap-statement button::before{display:none !important}nav.onetap-accessibility.onetap-plugin-onetap .onetap-visually-hidden{position:absolute !important;width:1px !important;height:1px !important;padding:0 !important;margin:-1px !important;overflow:hidden !important;clip:rect(0,0,0,0) !important;white-space:nowrap !important;border:0 !important}body:not(.render) .pix-overlay-item{opacity:0 !important}body:not(.pix-loaded) .pix-wpml-header-btn{opacity:0}html:has(body:not(.render)){background:var(--pix-pagetransition-bg) !important}.pix-page-loading-bg:after{content:" ";position:fixed;top:0;left:0;width:100vw;height:100vh;display:block;pointer-events:none;transition:opacity .16s ease-in-out;transform-style:flat;z-index:100000000000000000000;opacity:1;background:var(--pix-pagetransition-bg) !important}body.render .pix-page-loading-bg:after{opacity:0}.pixfort-area-content[data-area=topbar]{--pix-header-bg-color:var(--pix-gray-8);--pix-header-text-color:var(--pix-white)}.pixfort-area-content[data-area=header]{--pix-header-bg-color:var(--pix-white);--pix-display-header-scroll-blur:none;--pix-opacity-header-scroll-blur:0;--pix-header-scroll-bg-color:var(--pix-white);--pix-header-text-color:var(--pix-heading-default);--pix-header-scroll-text-color:var(--pix-heading-default);--pix-header-area-line-color:var(--pix-gray-2);--pix-header-shadow:var(--pix-shadow-lg);--pix-scroll-header-shadow:var(--pix-shadow-lg)}.pixfort-area-content[data-area=stack]{--pix-header-bg-color:var(--pix-transparent);--pix-header-text-color:var(--pix-dark-opacity-5)}.pixfort-area-content[data-area=m_topbar]{--pix-header-bg-color:var(--pix-white);--pix-header-text-color:var(--pix-heading-default);--pix-header-area-line-color:var(--pix-gray-2)}.pixfort-area-content[data-area=m_header]{--pix-header-bg-color:var(--pix-white);--pix-header-text-color:var(--pix-heading-default);--pix-header-area-line-color:var(--pix-gray-2);--pix-scroll-header-shadow:var(--pix-shadow-lg)}.pix-header .container,.pixfort-header-area .container{--pix-header-container-width:var(--pix-container-width,1140px)}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}@media screen and (max-height: 1024px){.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}}@media screen and (max-height: 640px){.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}body.single-gs_team{background-color:#fff !important}.e-heading-base a,.e-paragraph-base a{all:unset;cursor:pointer}form[data-element_type="e-form"].form-state-success [data-element_type="e-form-success-message"],form[data-element_type="e-form"].form-state-error [data-element_type="e-form-error-message"]{display:block}.e-form-textarea-base:not([data-resizable]){resize:none}.e-form-submit-button-base{cursor:pointer;box-sizing:border-box}.header-element-d7400ee7-13c7-42c1-b057-79268690c657 img{height:40px;width:auto}#navbarNav-649000{--pix-menu-color:var(--pix-black)}.header-element-6f5c8e49-9bfa-4b05-a54a-20cee6ddff69 img{height:35px;width:auto}#navbarNav-menu-48f90b2f-4cb0-4e7b-bf76-fbc7bf6bce49{--pix-menu-color:var(--pix-body-default)}#el-3080e8f5 img{width:auto;max-height:40px}.navbar-nav.nav-style-megamenu>li>a>span{font-size:15px !important}.pix-post-meta-element .pix-post-meta-author{display:none !important}.pix-post-meta-element .pix-post-meta-categories{display:none !important}@media (min-width: 992px){.nav-style-megamenu>li.nav-item .dropdown-menu{min-width:270px}}.nav-style-megamenu>li.nav-item .dropdown-menu a,.nav-style-megamenu>li.nav-item .dropdown-menu .mega-col-title{font-size:15px !important}.navbar-nav.nav-style-megamenu>li>a>span{font-size:16px !important}

Zhangjun Fei

Translational Science

Research

Education

Get our monthly newsletter