.circular-gallery{cursor:grab;width:100%;height:100%;overflow:hidden}.circular-gallery:active{cursor:grabbing}.circular-gallery canvas{width:100%;height:100%;display:block}.circular-gallery:focus-visible{outline-offset:4px;outline:2px solid #c8ff25bd}.shiny-text{display:inline-block}.tilted-card-figure{perspective:800px;justify-content:center;align-items:center;width:100%;height:100%;margin:0;display:flex;position:relative}.tilted-card-mobile-alert{text-align:center;font-size:.875rem;display:none;position:absolute;top:1rem}.tilted-card-inner{transform-style:preserve-3d;position:relative}.tilted-card-img{object-fit:cover;will-change:transform;position:absolute;top:0;left:0;transform:translateZ(0)}.tilted-card-overlay{z-index:2;will-change:transform;position:absolute;top:0;left:0;transform:translateZ(30px)}.tilted-card-caption{pointer-events:none;z-index:3;color:#2d2d2d;background-color:#fff;border-radius:4px;padding:4px 10px;font-size:10px;position:absolute;top:0;left:0}@media (width<=640px){.tilted-card-mobile-alert,.tilted-card-caption{display:none}}:root{color:#f7f8f0;--lime:#c8ff25;--lime-soft:#e5ffc1;--ink:#050809;--panel:#0c1214c7;--line:#e7ffe529;--muted:#f2f6eb9e;--container:min(1280px, calc(100vw - 70px));background:#020405;font-family:Inter,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 15% 45%,#00787438,#0000 34vw),radial-gradient(circle at 84% 58%,#6b083733,#0000 34vw),#020405;min-width:1180px;margin:0;overflow-x:hidden}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}.shell{width:var(--container);margin:0 auto}.full-section{isolation:isolate;min-height:100vh;position:relative;overflow:hidden}.full-section:before{content:"";z-index:-3;background:radial-gradient(circle at 50% 45%,#0000 0 45%,#00000038 76%,#0000007a 100%),linear-gradient(105deg,#02080ab8,#0205087a 48%,#090007ad),radial-gradient(circle at 12% 20%,#0c605357,#0000 36%),radial-gradient(circle at 83% 79%,#6e0d3442,#0000 36%);position:absolute;inset:0}.site-header{z-index:100;width:var(--container);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#03070994;border:1px solid #e5ffe833;border-radius:27px;grid-template-columns:180px 1fr 140px;align-items:center;height:54px;padding:0 16px;display:grid;position:fixed;top:24px;left:50%;transform:translate(-50%);box-shadow:inset 0 0 0 1px #ffffff08,0 16px 40px #00000052}.brand-pill,.contact-pill{letter-spacing:0;border-radius:999px;justify-content:center;align-items:center;height:40px;font-weight:800;display:inline-flex}.brand-pill{color:#071005;background:var(--lime);gap:6px;width:116px;box-shadow:inset 0 0 0 1px #ffffff61,0 0 28px #c8ff256b}.brand-icon{object-fit:contain;width:24px;height:24px}.site-header nav{color:#f6f9f1bf;justify-self:center;gap:76px;font-size:16px;font-weight:700;display:flex}.site-header nav a{transition:color .18s,transform .18s}.site-header nav a:hover{color:var(--lime);transform:translateY(-1px)}.contact-pill{color:#ffffffe6;background:#ffffff1f;border:1px solid #ffffff47;justify-self:end;width:102px;height:38px;box-shadow:inset 0 0 18px #ffffff14}.hero{background:#071019;min-height:100vh}.hero-video-wrap,.hero-video{position:absolute;inset:0}.hero-video-wrap{z-index:-5;background:#071019;overflow:hidden}.hero-video{z-index:2;object-fit:cover;opacity:1;width:100%;height:100%}.hero:after{content:"";z-index:1;pointer-events:none;background:radial-gradient(circle at 52% 45%,#0000 0 34%,#00000042 64%,#000000c7 100%),linear-gradient(#00000042,#0000 34%,#00000094);position:absolute;inset:0}@keyframes heroDrift{0%{background-position:40% 42%;transform:scale(1.02)}to{background-position:55% 48%;transform:scale(1.1)}}.hero-inner{z-index:2;align-items:flex-start;min-height:calc(100vh - 230px);padding-top:180px;display:flex;position:relative}.hero-copy{width:860px;max-width:58vw}.hero-title{letter-spacing:0;text-shadow:0 0 36px #c8ff2529;height:156px;margin:0;font-weight:950;line-height:1;overflow:visible}.hero-title-line{letter-spacing:0;margin:0;font-weight:950;line-height:1}.hero-title-row{height:68px;display:block;overflow:visible}.title-primary{color:var(--lime);height:80px;font-size:80px}.title-secondary-row{margin-top:8px}.title-secondary{color:#f5f7ee;height:68px;font-family:Avenir,Avenir Next,Inter,PingFang SC,Microsoft YaHei,sans-serif;font-size:68px;font-weight:500}.title-placeholder{opacity:0}.blur-text-segment{will-change:transform, filter, opacity;display:inline-block}.hero-subtitle{color:#f7f9f1d6;width:720px;margin:24px 0 0;font-size:22px;font-weight:400;line-height:1.55}.hero-strip{z-index:2;width:100vw;height:270px;position:absolute;bottom:0;left:50%;overflow:hidden;transform:translate(-50%);-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 7% 93%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 7% 93%,#0000 100%)}.section-content{z-index:2;padding-top:190px;padding-bottom:96px;position:relative}.section-title{margin-bottom:52px}.section-title h2{letter-spacing:0;align-items:flex-end;gap:20px;margin:0;font-size:clamp(56px,4vw,84px);font-weight:950;line-height:1;display:flex}.section-title-text{flex-wrap:wrap;display:inline-flex}.split-char{will-change:transform, opacity, filter;display:inline-block}.section-arrow{color:var(--lime);font-size:24px;line-height:1;display:inline-block;transform:translateY(-.12em)}.section-title p{color:#f5f7ee8f;margin:14px 0 0;font-size:30px;font-weight:400}.experience{background:#030407}.experience .section-content{padding-top:180px}.experience:after,.works:after,.strengths:after{content:"YIFEI";z-index:-1;color:#0000;-webkit-text-stroke:2px #ffffff09;font-size:270px;font-weight:950;position:absolute;bottom:-70px;right:4%}.about-grid{grid-template-columns:minmax(420px,560px) minmax(0,1fr);align-items:start;gap:clamp(34px,4vw,58px);display:grid}.portrait-card{background:linear-gradient(140deg,#e0ffca24,#9fc2db33),#ffffff0f;border:0;border-radius:26px;width:100%;height:100%;padding:0;position:relative;overflow:hidden}.portrait-card .portrait-card-image{z-index:2;object-fit:cover;object-position:center 38%;filter:saturate(.92)contrast(1.03);border-radius:26px;width:100%;height:100%;position:relative}.portrait-glow{filter:blur(50px);background:#c8ff2533;border-radius:50%;width:260px;height:260px;position:absolute;bottom:-80px;right:-70px}.about-panel{min-width:0;padding-top:0}.mini-label{color:var(--lime);margin:0 0 18px;font-size:13px;font-weight:950}.about-panel h3{letter-spacing:0;margin:0 0 22px;font-family:Avenir,Avenir Next,Inter,PingFang SC,Microsoft YaHei,sans-serif;font-size:58px;font-weight:500;line-height:1}.about-lead{color:#f6f8f29e;text-align:justify;text-align-last:left;max-width:940px;margin:0 0 26px;font-size:18px;font-weight:400;line-height:1.78}.info-grid{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));column-gap:34px;display:grid}.info-grid div{border-bottom:1px solid var(--line);min-height:76px;padding:16px 0 12px}.info-grid span{color:var(--lime);margin-bottom:11px;font-size:13px;font-weight:900;display:block}.info-grid strong{color:#fff;font-size:18px;display:block}.stats{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:22px;padding:22px 0;display:grid}.stats strong{color:var(--lime);font-size:44px;line-height:1;display:block}.stats span{color:#f8faf175;margin-top:8px;font-size:14px;font-weight:700;display:block}.building{margin-top:16px}.building span{color:var(--lime);margin-bottom:10px;font-size:13px;font-weight:950;display:block}.building p{color:#f7f9f0c7;background:#ffffff0d;border:1px solid #ffffff29;border-radius:999px;margin:0;padding:10px 16px;line-height:1.4;display:inline-flex}.career{grid-template-columns:repeat(4,1fr);gap:34px;margin-top:112px;padding-top:52px;display:grid;position:relative}.career:before{content:"";background:linear-gradient(90deg, var(--lime), #c8ff252e);height:1px;position:absolute;top:17px;left:0;right:0}.career-item{cursor:pointer;outline:none;min-height:210px;position:relative}.career-item:before{content:"";opacity:0;transform-origin:0;background:linear-gradient(90deg,#c8ff25f2,#c8ff2514);width:calc(100% + 34px);height:1px;transition:opacity .16s,transform .22s;position:absolute;top:-35px;left:0;transform:translateY(-50%)scaleX(.7)}.career-item:focus-visible h4{color:#fff}.career-item:focus-visible:before,.career-item.is-active:before{opacity:1;transform:translateY(-50%)scaleX(1)}.career-dot{filter:brightness(0)saturate()invert(87%)sepia(96%)saturate(993%)hue-rotate(24deg)brightness(104%)contrast(108%)drop-shadow(0 0 14px #c8ff25bd);background:url(/assets/timeline-star.png) 50%/contain no-repeat;width:22px;height:22px;transition:opacity .18s,transform .22s,filter .22s;position:absolute;top:-35px;left:0;transform:translateY(-50%)}.career time{color:var(--lime);font-size:15px;font-weight:400;transition:color .18s,opacity .18s,text-shadow .18s}.career h4{color:#ffffffe0;min-height:60px;margin:18px 0 10px;font-size:25px;line-height:1.24;transition:color .18s,opacity .18s,text-shadow .18s,transform .18s}.career.is-interacting .career-item:not(.is-active){opacity:.42}.career.is-interacting .career-item:not(.is-active) time,.career.is-interacting .career-item:not(.is-active) h4,.career.is-interacting .career-item:not(.is-active) .role,.career.is-interacting .career-item:not(.is-active) p:last-child{color:#ffffff52;text-shadow:none;border-color:#ffffff1f}.career.is-interacting .career-item:not(.is-active) .career-dot{opacity:.48;filter:brightness(0)saturate()invert(70%)sepia(12%)saturate(297%)hue-rotate(102deg)brightness(85%)contrast(84%)}.career-item.is-active time{color:var(--lime);opacity:1;text-shadow:0 0 18px #c8ff2557}.career-item.is-active h4{color:#fff;opacity:1;text-shadow:0 0 22px #c8ff2533;transform:translate(6px)}.career-item.is-active .career-dot{transform:translateY(-50%)scale(1.28)}.career .role{color:var(--lime);border:1px solid #c8ff2573;border-radius:999px;margin:0 0 14px;padding:7px 14px;font-weight:800;transition:color .18s,border-color .18s,opacity .18s,box-shadow .18s;display:inline-flex}.career-item.is-active .role{color:var(--lime);border-color:#c8ff25b8;box-shadow:0 0 20px #c8ff251f}.career p:last-child{color:#f6f8ef85;margin:0;font-size:16px;line-height:1.7;transition:color .18s,opacity .18s}.career-item.is-active p:last-child{color:#f6f8efd1;opacity:1}.works{background:#03120f}.works:before{background:linear-gradient(115deg,#00241bfa,#020810e0 56%,#020107f5),radial-gradient(circle at 26% 28%,#167d5770,#0000 34%),radial-gradient(circle at 74% 66%,#1c0d4f47,#0000 35%)}.works .section-content{padding-top:128px}.works-head{grid-template-columns:minmax(0,1fr) minmax(360px,.62fr);align-items:end;gap:90px;margin-bottom:58px;display:grid}.works-head h2{color:#f7f4eb;letter-spacing:0;margin:0;font-family:Avenir,Avenir Next,Inter,PingFang SC,Microsoft YaHei,sans-serif;font-size:clamp(78px,7vw,138px);font-weight:950;line-height:.82}.works-head span{color:var(--lime);background:#c8ff2521;border-radius:999px;margin-top:20px;padding:7px 15px;font-size:16px;font-weight:900;line-height:1;display:inline-flex;box-shadow:0 0 22px #c8ff252e}.works-head p{color:#f7f9f0a3;max-width:520px;margin:0 0 8px;font-size:17px;font-weight:650;line-height:1.7}.work-list{gap:34px;display:grid}.work-card{background:linear-gradient(90deg,#ffffff0a,#ffffff05),#0107097a;border:1px solid #ffffff29;border-radius:0;grid-template-columns:minmax(0,2fr) minmax(420px,1fr);height:320px;display:grid;position:relative;overflow:hidden;box-shadow:0 34px 90px #00000075}.work-card:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000 0 58%,#00000042),linear-gradient(#ffffff14,#0000 42%);position:absolute;inset:0}.work-card__media{height:100%;position:relative;overflow:hidden}.work-card__media img{object-fit:cover;filter:saturate(1.08);width:100%;height:100%;transition:transform .5s}.work-card:hover .work-card__media img{transform:scale(1.04)}.work-card--clickable{cursor:pointer}.work-card--clickable:focus-visible{outline:2px solid var(--lime);outline-offset:5px}.work-card--clickable:hover{border-color:#c8ff2557;box-shadow:0 34px 90px #00000075,0 0 34px #c8ff251a}.work-card__body{z-index:2;background:linear-gradient(135deg,#081213cc,#05090beb),#ffffff08;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;min-height:0;padding:44px 28px 20px;display:flex;position:relative}.work-card__body>*{width:min(100%,330px)}.work-card__body strong{color:var(--lime);margin-bottom:10px;font-family:Avenir,Avenir Next,Inter,sans-serif;font-size:46px;font-weight:900;line-height:.9;display:block}.work-card h3{color:#f7f4eb;letter-spacing:0;margin:0 0 7px;font-size:28px;line-height:1.12}.work-card p{color:#ffffff94;margin:0;font-size:14px;font-weight:400;line-height:1.66}.work-card .work-period{color:#f7f4ebad;margin-bottom:16px;font-size:13px;font-weight:850}.project-page{color:#f7f8f0;background:radial-gradient(circle at 16% 24%,#005e485c,#0000 34vw),radial-gradient(circle at 84% 20%,#c7ff251f,#0000 25vw),linear-gradient(145deg,#03100f 0%,#020406 48%,#090108 100%);min-height:100vh;overflow-x:hidden}.project-page main{padding:122px 0 110px}.project-hero{grid-template-columns:minmax(360px,.72fr) minmax(0,1fr);align-items:stretch;gap:54px;min-height:640px;display:grid}.project-back{height:34px;color:var(--lime);background:#c8ff251f;border-radius:999px;grid-column:1/-1;justify-self:start;align-items:center;padding:0 16px;font-size:14px;font-weight:800;display:inline-flex;box-shadow:0 0 24px #c8ff2529}.project-hero__copy,.project-hero__media,.project-detail-grid article,.project-stage{background:linear-gradient(135deg,#091c1bb8,#040709e6),#ffffff08;border:1px solid #ffffff24;box-shadow:0 40px 100px #0000006b}.project-hero__copy{flex-direction:column;justify-content:flex-end;padding:54px;display:flex}.project-hero__copy>span,.project-section-head span{color:var(--lime);letter-spacing:0;font-size:15px;font-weight:900}.project-hero__copy h1{color:#f7f4eb;letter-spacing:0;margin:18px 0 24px;font-family:Avenir,Avenir Next,Inter,PingFang SC,Microsoft YaHei,sans-serif;font-size:clamp(76px,6.8vw,132px);font-weight:900;line-height:.9}.project-hero__copy p{color:#f7f8f0b8;max-width:560px;margin:0;font-size:20px;font-weight:400;line-height:1.76}.project-meta{border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24;grid-template-columns:repeat(3,1fr);gap:0;margin:52px 0 0;display:grid}.project-meta div{padding:22px 20px 22px 0}.project-meta div+div{border-left:1px solid #ffffff1f;padding-left:22px}.project-meta dt,.project-meta dd{margin:0}.project-meta dt{color:var(--lime);margin-bottom:10px;font-size:13px;font-weight:900}.project-meta dd{color:#ffffffdb;font-size:17px;font-weight:750}.project-hero__media{min-height:640px;overflow:hidden}.project-hero__media img,.project-stage img{object-fit:cover;width:100%;height:100%}.project-detail{padding-top:86px}.project-section-head{grid-template-columns:minmax(0,.68fr) minmax(0,1fr);align-items:end;gap:50px;margin-bottom:28px;display:grid}.project-section-head h2{color:#f7f4eb;margin:0;font-size:42px;font-weight:750;line-height:1.14}.project-detail-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.project-detail-grid article{min-height:260px;padding:34px}.project-detail-grid strong{color:var(--lime);margin-bottom:56px;font-family:Avenir,Avenir Next,Inter,sans-serif;font-size:44px;line-height:.9;display:block}.project-detail-grid h3{color:#f7f4eb;margin:0 0 14px;font-size:28px;line-height:1.2}.project-detail-grid p{color:#f7f8f09e;margin:0;font-size:16px;font-weight:400;line-height:1.72}.project-stage-list{gap:38px;margin-top:78px;display:grid}.project-stage{overflow:hidden}.project-stage img{object-fit:contain;height:auto}.strengths{background:#04060b}.strength-grid{grid-template-columns:repeat(6,1fr);gap:28px;display:grid}.strength-card{background:linear-gradient(145deg,#11191cdb,#04080deb),#ffffff0a;border:1px solid #ffffff26;border-radius:24px;min-height:315px;padding:34px;position:relative;overflow:hidden;box-shadow:inset 0 -1px #c8ff2547}.strength-card.dark{grid-column:span 3;min-height:390px}.strength-card.lime{color:#102008;background:var(--lime);border-color:#c8ff25b8;grid-column:span 3;min-height:390px;box-shadow:0 0 46px #c8ff2526,inset 0 -1px #ffffff73}.strength-card:not(.dark):not(.lime){grid-column:span 2}.card-top{justify-content:space-between;align-items:center;margin-bottom:72px;display:flex}.card-top span{min-width:58px;height:28px;color:var(--lime);background:#c8ff251f;border:1px solid #c8ff2566;border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-size:13px;font-weight:950;display:inline-flex}.lime .card-top span{color:#426000;background:#ffffff73;border-color:#0b210424}.card-top small{color:#f7f8f08f;font-size:12px;font-weight:900}.lime .card-top small{color:#0c18068c}.strength-card h3{z-index:2;color:#ffffffeb;letter-spacing:0;max-width:680px;margin:0;font-size:42px;font-weight:850;line-height:1.2;position:relative}.lime h3{color:#112306}.strength-card h3 b{color:var(--lime)}.lime h3 b{color:#102008}.strength-card p{z-index:2;color:#f6f8f08f;max-width:560px;margin:22px 0 0;font-size:17px;line-height:1.75;position:relative}.chip-stack{z-index:2;gap:18px;width:520px;max-width:100%;margin:34px auto 0;display:grid;position:relative;transform:rotate(6deg)}.chip-stack span{text-align:center;color:#122107;background:#ffffffc7;border-radius:999px;justify-self:center;min-width:330px;padding:18px 26px;font-size:19px;font-weight:900;box-shadow:0 16px 26px #455e0429}.chip-stack span:nth-child(2){color:#f7f8f0;background:#040805;transform:translate(-56px)rotate(-8deg)}.chip-stack span:nth-child(3){background:#e2ff5780;transform:translate(58px)rotate(-2deg)}.shape-mark{opacity:.92;filter:drop-shadow(0 0 36px #c8ff255c);width:145px;height:104px;position:absolute;bottom:26px;right:36px}.shape-mark:before,.shape-mark:after{content:"";background:linear-gradient(135deg, var(--lime), #7f63d8 74%);border-radius:50% 50% 12%;position:absolute}.shape-mark:before{width:120px;height:74px;bottom:0;right:0;transform:rotate(-18deg)}.shape-mark:after{background:0 0;border:13px solid #f6f8f0e6;width:74px;height:74px;top:6px;left:8px;transform:rotate(45deg)}.lime .shape-mark{opacity:.12}.contact{background:#020404}.contact:before{background:linear-gradient(110deg,#020404fa,#020605d1,#020403fa),radial-gradient(circle at 20% 70%,#006f6747,#0000 34%),radial-gradient(circle at 76% 30%,#c8ff253d,#0000 28%),radial-gradient(circle at 76% 82%,#c8ff252e,#0000 22%)}.contact-inner{z-index:2;grid-template-columns:minmax(0,1fr) 420px;align-items:center;gap:80px;min-height:100vh;padding-top:170px;display:grid;position:relative}.contact-headline p{color:#f5f7f08f;margin:0 0 16px;font-size:30px;font-weight:850}.contact-headline h2{color:#fff;letter-spacing:0;margin:0;font-size:clamp(82px,6.2vw,116px);font-weight:950;line-height:.92}.contact-headline h2 span,.contact-headline h2 mark{display:block}.contact-headline h2 mark{color:var(--lime-soft);background:0 0}.contact-brand{width:154px;margin-top:46px}.contact-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#262f29b8;border:1px solid #ffffff2e;border-radius:28px;width:420px;min-height:540px;padding:48px 48px 42px;box-shadow:inset 0 1px #ffffff14,0 40px 100px #0000007a}.contact-card h3{color:var(--lime);margin:0 0 34px;font-size:22px;font-weight:950}.contact-card dl{margin:0}.contact-card dl div{color:#ffffffb8;border-bottom:1px solid #ffffff1f;grid-template-columns:76px 1fr;gap:8px;padding:17px 0;font-size:18px;font-weight:750;display:grid}.contact-card dt,.contact-card dd{margin:0}.contact-card p{color:#ffffff8f;margin:32px 0 34px;font-size:13px;font-weight:900}.contact-card img{object-fit:cover;border-radius:14px;width:166px;height:166px;box-shadow:0 0 34px #c8ff252e}@media (width<=1400px){body{min-width:1024px}:root{--container:min(1280px, calc(100vw - 70px))}.site-header{grid-template-columns:180px 1fr 130px}.site-header nav{gap:44px}.hero-copy{max-width:68vw}.title-primary{font-size:80px}.title-secondary{font-size:68px}.hero-subtitle{width:620px;font-size:22px}.hero-strip{bottom:18px}.about-grid{grid-template-columns:minmax(360px,.82fr) minmax(0,1.18fr);gap:clamp(32px,3.4vw,48px)}.about-panel h3{font-size:clamp(48px,4.7vw,58px)}.career{grid-template-columns:repeat(2,1fr)}.career:before,.career-dot{display:none}.works-head{grid-template-columns:1fr;gap:24px;margin-bottom:44px}.works-head p{max-width:760px}.work-card{grid-template-columns:minmax(0,2fr) minmax(360px,1fr);height:310px}.work-card__media,.work-card__body{height:100%;min-height:0}.work-card__body{padding:36px 24px 18px}.work-card__body>*{width:min(100%,300px)}.work-card__body strong{font-size:42px}.contact-inner{grid-template-columns:1fr 420px;gap:70px}.contact-card{width:420px}}@media (width<=1120px){.about-grid{grid-template-columns:1fr;gap:44px}.about-grid>.tilted-card-figure{width:min(100%,560px)!important;height:560px!important}.about-panel{max-width:100%}.work-card{grid-template-columns:1fr;height:auto}.work-card__media{height:280px;min-height:0}.work-card__body{height:auto;min-height:auto}}@media (height<=820px){.hero-inner{align-items:flex-start;min-height:calc(100vh - 140px);padding-top:110px}.title-primary{font-size:80px}.title-secondary{font-size:68px}.hero-subtitle{width:620px;margin-top:24px;font-size:22px}.hero-strip{bottom:12px}}