*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fbfbfa;--surface: #ffffff;--ink: #111112;--muted: #6f7076;--line: #e7e7ea;--line-dark: #d5d5da;--on-ink: #ffffff;--radius: 14px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05), 0 4px 14px rgba(0,0,0,.07);--shadow: 0 2px 4px rgba(0,0,0,.05), 0 10px 30px rgba(0,0,0,.1);--maxw: 1060px}html.dark{--bg: #0c0c0d;--surface: #161618;--ink: #f4f4f5;--muted: #9c9ca4;--line: #26262b;--line-dark: #35353b;--on-ink: #0c0c0d}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease}a{color:inherit;text-decoration:none}ul{list-style:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}main{padding-top:92px}.hero,.case,.section{scroll-margin-top:88px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease}.btn--solid{background:var(--ink);color:var(--on-ink)}.btn--solid:hover{transform:translateY(-2px);box-shadow:0 10px 22px #00000029}.btn--ghost{border:1px solid var(--line-dark);color:var(--ink);background:transparent}.btn--ghost:hover{border-color:var(--ink)}.nav{position:fixed;top:20px;left:0;right:0;z-index:50;display:flex;justify-content:center;padding:0 16px;pointer-events:none}.nav__inner{pointer-events:auto;display:inline-flex;align-items:center;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px;box-shadow:var(--shadow-sm)}.nav__link{padding:8px 18px;border-radius:999px;font-size:14px;color:var(--muted);transition:color .15s ease,background .15s ease}.nav__link:hover{color:var(--ink)}.nav__link.active{color:var(--ink);background:var(--line)}.nav__toggle{width:38px;height:38px;margin-left:4px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer}.nav__toggle:hover{border-color:var(--line-dark)}.nav__toggle svg{width:18px;height:18px}.hero{padding:24px 0 76px}.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.hero__intro{font-size:1.05rem;margin-bottom:16px;color:var(--muted)}.hero__intro b{color:var(--ink)}.hero__name{font-size:clamp(2.2rem,6vw,3.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.06}.hero__name span{display:block}.hero__tag{font-size:1.08rem;color:var(--muted);margin-top:18px;max-width:520px}.hero__actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.hero__portrait{display:flex}.portrait-wrap{position:relative;width:100%;max-width:360px;aspect-ratio:1 / 1;will-change:transform;transition:transform .2s ease}.portrait{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;border-radius:24px;transition:opacity .45s ease}.portrait--base{border:1px solid var(--line);box-shadow:var(--shadow)}.portrait--morph{opacity:0}.portrait-wrap:hover .portrait--morph{opacity:1}.section{padding:72px 0}.section-title{display:flex;align-items:baseline;gap:14px;margin-bottom:34px;border-top:1px solid var(--line);padding-top:26px}.section-title__index{font-size:13px;color:var(--muted);letter-spacing:.08em}.section-title h2{font-size:clamp(1.5rem,4vw,2rem);font-weight:750;letter-spacing:-.02em}.about{max-width:760px}.about p{font-size:1.08rem;color:var(--muted);margin-bottom:14px}.about p:first-child{color:var(--ink);font-weight:550}.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}.ability{margin-bottom:20px}.ability__head{display:flex;justify-content:space-between;font-size:15px;font-weight:600;margin-bottom:7px}.ability__num{color:var(--muted);font-weight:500}.ability__bar{height:2px;background:var(--line)}.ability__bar span{display:block;height:100%;background:var(--ink)}.tools__label{font-weight:650;margin-bottom:14px}.tools__list{display:flex;flex-wrap:wrap;gap:10px}.chip{border:1px solid var(--line-dark);padding:7px 14px;border-radius:999px;font-size:13px;color:var(--ink);background:var(--surface)}.chip--sm{padding:5px 11px;font-size:12px}.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}.project{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.project:hover{transform:translateY(-4px);border-color:var(--line-dark);box-shadow:var(--shadow)}.project__meta{display:flex;justify-content:space-between;align-items:flex-start;font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}.project__role{color:var(--ink);font-weight:650;text-transform:none;display:flex;flex-direction:column;gap:2px}.project__role-line{display:block}.project__period{white-space:nowrap}.project__name{font-size:1.25rem;font-weight:750;letter-spacing:-.01em}.project__summary{color:var(--muted);margin-top:8px;font-size:15px}.project__metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.project__more{display:inline-block;margin-top:18px;font-size:14px;font-weight:650;border-bottom:1px solid var(--ink)}.timeline{margin-bottom:40px}.timeline__label{font-size:13px;color:var(--muted);font-weight:650;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}.timeline__item{border-left:1px solid var(--line-dark);padding:0 0 26px 22px;margin-left:4px;position:relative}.timeline__item:before{content:"";position:absolute;left:-4px;top:4px;width:8px;height:8px;border-radius:50%;background:var(--ink)}.timeline__meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.timeline__title{font-weight:700;font-size:1.05rem}.timeline__period{color:var(--muted);font-size:13px}.timeline__role{font-size:14px;color:var(--muted);margin-top:2px}.timeline__item ul{margin-top:8px}.timeline__item ul li{position:relative;padding-left:16px;color:var(--muted);font-size:15px;margin-bottom:4px}.timeline__item ul li:before{content:"–";position:absolute;left:0;color:var(--ink)}.section--contact{background:var(--surface);border-top:1px solid var(--line)}.contact__lead{color:var(--muted);margin-bottom:28px;max-width:600px}.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.contact__list p{margin-bottom:14px;font-size:16px}.contact__list span{color:var(--muted);margin-right:12px}.contact__list a{font-weight:600;border-bottom:1px solid transparent}.contact__list a:hover{border-bottom-color:var(--ink)}.contact__copy{display:inline-flex;align-items:center;gap:6px;cursor:pointer;border-bottom:1px solid var(--ink);font-weight:600;background:none;border-left:0;border-right:0;border-top:0;padding:0;font-size:16px;color:var(--ink)}.contact__cv{text-align:center}.contact__hint{color:var(--muted);font-size:13px;margin-top:14px}.contact__qr{display:block;width:160px;height:160px;margin:14px auto 0;border-radius:12px;border:1px solid var(--line)}.footer{padding:32px 0 44px;text-align:center;color:var(--muted);font-size:14px}.case{padding:24px 0 80px}.case-back{position:sticky;top:20px;z-index:70;display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:14px;color:var(--muted);margin-bottom:24px}.case-back:hover{color:var(--ink);border-color:var(--line-dark)}.case__layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}.case-nav{position:sticky;top:84px;display:flex;flex-direction:column;gap:2px}.case-nav__label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}.case-nav__item{display:flex;gap:10px;align-items:baseline;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--muted)}.case-nav__item:hover{color:var(--ink);background:var(--surface)}.case-nav__item.active{color:var(--ink);background:var(--surface);box-shadow:var(--shadow-sm)}.case-nav__num{font-size:12px;font-weight:700;color:var(--muted);min-width:18px}.case-nav__item.active .case-nav__num{color:var(--ink)}.case__meta{display:flex;gap:14px;align-items:flex-start;font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}.case__role{color:var(--ink);font-weight:650;text-transform:none;display:flex;flex-direction:column;gap:2px}.case__role-line{display:block}.case__period{white-space:nowrap}.case__title{font-size:clamp(1.9rem,5vw,2.8rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}.case__summary{color:var(--muted);font-size:1.1rem;margin-top:16px;max-width:640px}.case__metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.stat{border:1px solid var(--line-dark);background:var(--surface);padding:9px 16px;border-radius:999px;font-size:14px;font-weight:650}.case__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.case__body{margin-top:48px}.case-tabs{display:inline-flex;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px;margin:30px 0 8px;box-shadow:var(--shadow-sm)}.case-tab{padding:8px 18px;border-radius:999px;font-size:14px;color:var(--muted);background:transparent;border:0;cursor:pointer}.case-tab:hover{color:var(--ink)}.case-tab.active{color:var(--ink);background:var(--line)}.flow-placeholder{margin-top:18px;border:1px dashed var(--line-dark);border-radius:12px;padding:48px 20px;text-align:center;color:var(--muted);font-size:14px;background:var(--bg)}.viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0000009e;display:flex;align-items:center;justify-content:center;padding:28px}.viewer__inner{background:var(--surface);border-radius:16px;max-width:980px;width:100%;max-height:90vh;overflow:auto;padding:24px;position:relative;box-shadow:var(--shadow)}.viewer__close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;cursor:pointer;color:var(--muted)}.viewer__close:hover{color:var(--ink)}.viewer__title{font-size:1.2rem;font-weight:750;margin-bottom:12px}.viewer__img{width:100%;height:auto;display:block;border-radius:8px;background:var(--bg)}.viewer__note{color:var(--muted);margin-top:12px;font-size:14px}.page{animation:pageIn .4s ease both}@keyframes pageIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.case__section-lead{color:var(--muted);margin:6px 0 26px}.case__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.case-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-dark)}.case-card__num{font-size:13px;color:var(--muted)}.case-card__title{font-size:1.25rem;font-weight:750;margin-top:8px}.case-card__sub{margin-top:3px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.case-card__desc{color:var(--muted);font-size:15px;margin-top:8px}.case-card__go{display:inline-block;margin-top:18px;font-size:14px;font-weight:650;border-bottom:1px solid var(--ink)}.case__title-sm{font-size:14px;color:var(--muted);margin-bottom:10px}.case__section-title{font-size:clamp(1.8rem,5vw,2.6rem);font-weight:800;letter-spacing:-.02em}.case--section{padding-bottom:110px}.section-nav{position:fixed;bottom:20px;left:16px;right:16px;z-index:60;display:flex;justify-content:center}.section-nav__inner{display:inline-flex;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px;box-shadow:var(--shadow-sm)}.section-nav__link{padding:9px 18px;border-radius:999px;font-size:14px;color:var(--muted)}.section-nav__link:hover{color:var(--ink)}.section-nav__link.active{color:var(--ink);background:var(--line)}.flow{margin-top:4px}.flow-lanes{display:grid;gap:28px;align-items:start}.flow-lane{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.flow-lane__label{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:18px}.flow-step{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}.flow-step__title{font-size:15px;font-weight:650}.flow-step__desc{font-size:13px;color:var(--muted)}.flow-arrow{display:flex;justify-content:center;color:var(--line-dark);padding:6px 0;font-size:20px;line-height:1}.flow-exceptions{margin-top:28px}.flow-exceptions__label{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.flow-exceptions__grid{display:flex;flex-wrap:wrap;gap:12px}.flow-exc{border:1px solid var(--line-dark);border-radius:10px;padding:12px 16px;background:var(--surface);min-width:180px;flex:1 1 220px}.flow-exc__title{display:block;font-size:14px;font-weight:650}.flow-exc__note{display:block;font-size:13px;color:var(--muted);margin-top:4px}.flow-svg{overflow-x:auto}.flow-svg svg{max-width:100%;height:auto}.flow-error{color:var(--muted);font-size:14px;padding:20px 0}.flow-tabs{display:inline-flex;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px;margin-bottom:18px;box-shadow:var(--shadow-sm)}.flow-tab{padding:7px 16px;border-radius:999px;font-size:14px;color:var(--muted);background:transparent;border:0;cursor:pointer}.flow-tab:hover{color:var(--ink)}.flow-tab.active{color:var(--ink);background:var(--line)}.arch{display:flex;flex-direction:column}.arch-layer{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--surface)}.arch-layer__name{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.arch-layer__items{display:flex;flex-wrap:wrap;gap:8px}.arch-item{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:7px 12px;font-size:13px}.arch-arrow{display:flex;justify-content:center;color:var(--line-dark);padding:6px 0;font-size:18px;line-height:1}.prd-frame{width:100%;height:78vh;min-height:480px;border:1px solid var(--line);border-radius:12px;background:#fff}.prd-layout{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:start}.prd-toc{position:sticky;top:84px;display:flex;flex-direction:column;gap:2px}.prd-toc__label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.prd-toc__item{display:flex;gap:8px;align-items:baseline;padding:7px 10px;border-radius:8px;font-size:13px;color:var(--muted);background:none;border:0;text-align:left;cursor:pointer}.prd-toc__item:hover{color:var(--ink);background:var(--surface)}.prd-toc__item.active{color:var(--ink);background:var(--surface);box-shadow:var(--shadow-sm)}.prd-toc__num{font-size:11px;font-weight:700;color:var(--muted);min-width:16px}.prd-toc__item.active .prd-toc__num{color:var(--ink)}.prd-doc{max-width:940px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:40px 48px 64px;color:var(--ink);line-height:1.75;font-size:15px;overflow-wrap:break-word}.prd-doc h1{font-size:28px;font-weight:800;line-height:1.4;margin:0 0 6px;letter-spacing:-.01em}.prd-doc h1+p{margin-top:0}.prd-doc h2{font-size:21px;font-weight:800;margin:44px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line);position:relative;scroll-margin-top:96px}.prd-doc h2:before{content:"";position:absolute;left:-48px;top:3px;bottom:10px;width:4px;background:var(--ink);border-radius:2px}.prd-doc h3{font-size:17px;font-weight:700;margin:28px 0 10px;scroll-margin-top:96px}.prd-doc h4{font-size:15px;font-weight:700;margin:20px 0 8px}.prd-doc p{margin:12px 0}.prd-doc ul,.prd-doc ol{margin:12px 0 14px 22px}.prd-doc li{margin:4px 0}.prd-doc table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.prd-doc th,.prd-doc td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}.prd-doc th{background:var(--bg);color:var(--muted);font-weight:650}.prd-doc blockquote{border-left:3px solid var(--ink);background:var(--bg);padding:12px 16px;margin:16px 0;color:var(--muted);border-radius:0 8px 8px 0}.prd-doc code{background:var(--bg);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:.9em}.prd-doc pre{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px 16px;overflow-x:auto}.prd-doc pre code{background:none;border:none;padding:0}.prd-doc hr{border:0;border-top:1px solid var(--line);margin:28px 0}@media(max-width:760px){.prd-layout{grid-template-columns:1fr}.prd-toc{display:none}}@media(max-width:720px){.flow-lanes{grid-template-columns:1fr!important}}@media(max-width:760px){.case__cards{grid-template-columns:1fr}}.case__block{border-top:1px solid var(--line);padding:30px 0}.case__block{scroll-margin-top:88px}.case__block-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.case__block-index{font-size:13px;color:var(--muted)}.case__block h2{font-size:1.35rem;font-weight:750;letter-spacing:-.01em}.case__block p{color:var(--muted);font-size:1.02rem;max-width:720px}.case__block ul{margin-top:14px}.case__block ul li{position:relative;padding-left:18px;color:var(--muted);font-size:16px;margin-bottom:8px}.case__block ul li:before{content:"—";position:absolute;left:0;color:var(--ink)}.screens{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:8px}.screen{display:block;width:100%;text-align:left;font:inherit;color:inherit;cursor:pointer;border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--surface)}.screen__img{aspect-ratio:4 / 3;background:var(--bg);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;overflow:hidden}.screen__img img{width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}.screen__title{font-weight:650;margin-top:12px;font-size:15px}.screen__note{color:var(--muted);font-size:13px;margin-top:4px}.case__group-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:6px 0 14px}.case-figma{display:inline-flex;align-items:center;gap:14px;margin-bottom:28px;padding:18px 28px;border:1px solid var(--line-dark);border-radius:14px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.case-figma:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}.case-figma__logo{font-size:22px;font-weight:800;letter-spacing:-.02em}.case-figma__text{font-size:15px;color:var(--muted)}.notfound{padding:120px 28px;text-align:center;color:var(--muted)}.notfound a{display:inline-block;margin-top:16px;color:var(--ink);font-weight:600}.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.reveal.visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.portrait-wrap,.portrait,.reveal{transition:none!important}.portrait-wrap:hover .portrait--morph{opacity:0}.reveal{opacity:1;transform:none}}@media(max-width:820px){.hero{padding:12px 0 56px}.hero__grid{grid-template-columns:1fr;gap:36px}.portrait{max-width:280px}.section{padding:52px 0}.skills-grid,.contact__grid{grid-template-columns:1fr}}@media(max-width:900px){.case__layout{grid-template-columns:1fr;gap:0}.case-nav{display:none}}@media(max-width:640px){.nav{justify-content:flex-end;padding-right:14px}.nav__link{padding:8px 12px}}@media(max-width:520px){.nav__link{padding:8px 10px;font-size:13px}.case-back{padding:8px 12px}}