:root{--bg:#f7fbfe;--paper:#fff;--ink:#253548;--muted:#708094;--green:#508eb5;--green-soft:#eaf5fb;--blue-soft:#edf7fc;--line:#dbeaf2;--shadow:0 20px 60px rgba(64,126,164,.1);--font:"Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(145deg,#fcfeff 0%,#f4faff 58%,#f9fcff 100%);font-family:var(--font);line-height:1.75}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid rgba(80,142,181,.3);outline-offset:3px}.shell{width:min(1080px,calc(100% - 48px));margin-inline:auto}
.site-header{padding:20px 0}.nav-shell{width:min(1080px,calc(100% - 48px));min-height:58px;margin:auto;padding:7px 8px 7px 12px;display:flex;align-items:center;justify-content:space-between;border:1px solid rgba(220,233,228,.85);border-radius:18px;background:rgba(255,255,255,.8);backdrop-filter:blur(18px);box-shadow:0 8px 30px rgba(55,100,84,.06)}.brand{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#fff;background:var(--green)}.nav-links{display:flex;gap:3px}.nav-links a{padding:8px 13px;border-radius:10px;color:var(--muted);font-size:13px;transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-soft)}.nav-toggle{display:none;width:42px;height:42px;border:0;background:transparent}.nav-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:var(--ink);transition:.2s}
.home-main{min-height:calc(100svh - 180px);display:flex;flex-direction:column;justify-content:center}.home-hero{padding:70px 0 60px;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:70px}.eyebrow,.page-title>p,.section-heading>p,.contact-panel>p{margin:0;color:var(--green);font-size:11px;font-weight:800;letter-spacing:.17em}.hero-copy h1{margin:20px 0 6px;font-size:clamp(64px,9vw,108px);line-height:1;letter-spacing:-.08em}.hero-copy h1 span{color:var(--green);font-weight:450}.hero-copy h2{margin:22px 0 14px;font-size:clamp(20px,2.3vw,28px);letter-spacing:-.04em}.hero-copy>p:last-of-type{max-width:670px;margin:0;color:var(--muted);font-size:15px}.actions{margin-top:30px;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.button{min-height:46px;padding:0 18px;display:inline-flex;align-items:center;gap:20px;border:1px solid transparent;border-radius:12px;font-size:13px;font-weight:750;transition:.2s}.button:hover{transform:translateY(-2px)}.primary{color:#fff;background:var(--green);box-shadow:0 10px 22px rgba(79,146,125,.2)}.secondary{border-color:var(--line);background:#fff}.text-link{padding:10px;color:var(--green);font-size:13px;font-weight:750}.identity-card{padding:28px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.72);box-shadow:var(--shadow)}.identity-mark{width:68px;height:68px;display:grid;place-items:center;border-radius:20px;color:var(--green);background:var(--green-soft);font-size:22px;font-weight:900}.identity-card p{margin:28px 0 5px;color:var(--muted);font-size:11px}.identity-card h3{margin:0;font-size:21px;line-height:1.5}.identity-tags{margin-top:24px;padding-top:20px;display:flex;flex-wrap:wrap;gap:7px;border-top:1px solid var(--line)}.identity-tags span{padding:6px 9px;border-radius:8px;color:var(--green);background:var(--green-soft);font-size:11px;font-weight:700}.home-links{padding-bottom:60px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.home-links a{padding:18px 20px;display:grid;grid-template-columns:auto 1fr;gap:0 14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.64);transition:.2s}.home-links a:hover{transform:translateY(-3px);background:#fff;box-shadow:var(--shadow)}.home-links small{grid-row:span 2;color:var(--green);font-weight:800}.home-links strong{font-size:14px}.home-links span{color:var(--muted);font-size:11px}
.page-main{padding:85px 0 110px}.page-title{max-width:800px;margin-bottom:82px}.page-title h1{margin:20px 0;font-size:clamp(42px,6vw,68px);line-height:1.2;letter-spacing:-.065em}.page-title>span{display:block;max-width:650px;color:var(--muted);font-size:15px}.intro-grid,.project-grid,.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-card,.project-card,.capability-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.72)}.feature-card small,.project-card small{color:var(--green);font-weight:800}.feature-card h2{margin:35px 0 12px;font-size:24px}.feature-card p,.project-card p,.content-section p{margin:0;color:var(--muted);font-size:14px}.content-section{margin-top:70px;padding-top:28px;display:grid;grid-template-columns:180px 1fr;gap:30px;border-top:1px solid var(--line)}.section-label{color:var(--green);font-size:12px;font-weight:800}.content-section h2{margin:0 0 12px;font-size:28px}.education-list p{padding:16px 0;display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.education-list span{color:var(--muted);font-size:13px}
.timeline{border-top:1px solid var(--line)}.timeline-item{padding:32px 0;display:grid;grid-template-columns:150px 1fr;gap:30px;border-bottom:1px solid var(--line)}.timeline-item time{color:var(--green);font-size:12px;font-weight:800}.timeline-item small{color:var(--muted)}.timeline-item h2{margin:4px 0 8px;font-size:22px}.timeline-item p{max-width:750px;margin:0;color:var(--muted);font-size:14px}.project-section{margin-top:90px}.section-heading{margin-bottom:30px}.section-heading h2{margin:8px 0 0;font-size:34px}.project-card h3{margin:35px 0 10px;font-size:20px}.capability-grid{grid-template-columns:repeat(4,1fr)}.capability-card span{color:var(--green);font-size:12px;font-weight:800}.capability-card h2{margin:28px 0 18px;font-size:20px}.capability-card ul{margin:0;padding:0;display:grid;gap:8px;list-style:none;color:var(--muted);font-size:13px}.resume-banner{margin-top:70px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-radius:18px;background:var(--blue-soft)}.resume-banner small{color:var(--green);font-weight:800}.resume-banner h2{margin:5px 0 2px}.resume-banner p{margin:0;color:var(--muted);font-size:12px}
.contact-main{min-height:calc(100svh - 180px);display:grid;place-items:center}.contact-panel{width:100%;padding:60px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.75);box-shadow:var(--shadow)}.contact-panel h1{margin:12px 0;font-size:clamp(48px,8vw,84px);letter-spacing:-.07em}.contact-panel>span{color:var(--muted)}.contact-panel>a{margin:70px 0 50px;display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);color:var(--green);font-size:clamp(20px,3vw,32px);font-weight:750}.contact-panel div{display:grid;gap:2px}.contact-panel small{color:var(--muted);font-size:10px}.site-footer{padding:24px 0 32px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.site-footer a{color:var(--green);font-weight:750}.toast{position:fixed;z-index:100;left:50%;bottom:22px;max-width:calc(100% - 30px);padding:10px 15px;transform:translate(-50%,15px);opacity:0;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);font-size:12px;transition:.2s}.toast.show{transform:translate(-50%,0);opacity:1}.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.home-hero{grid-template-columns:1fr;gap:36px}.identity-card{max-width:560px}.capability-grid{grid-template-columns:1fr 1fr}.home-main{min-height:auto}}
@media(max-width:650px){.shell,.nav-shell{width:min(100% - 28px,1080px)}.site-header{padding:10px 0}.nav-toggle{display:block}.nav-links{position:absolute;top:72px;left:14px;right:14px;padding:8px;display:grid;opacity:0;visibility:hidden;transform:translateY(-8px);border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.97);box-shadow:var(--shadow);transition:.2s}.nav-links.open{opacity:1;visibility:visible;transform:none}.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.home-hero{padding:65px 0 42px}.hero-copy h1{font-size:62px}.actions{align-items:stretch}.actions .button{flex:1}.actions .text-link{flex-basis:100%}.home-links,.intro-grid,.project-grid,.capability-grid{grid-template-columns:1fr}.home-links{padding-bottom:45px}.page-main{padding:60px 0 80px}.page-title{margin-bottom:50px}.page-title h1{font-size:42px}.content-section,.timeline-item{grid-template-columns:1fr;gap:10px}.education-list p,.resume-banner,.site-footer{flex-direction:column;align-items:flex-start}.contact-panel{padding:32px 22px}.contact-panel>a{margin:50px 0 35px;font-size:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

.brand-mark{background:linear-gradient(145deg,#68a9cf,#4281aa)}
.achievement-list{max-width:800px;margin:14px 0 0;padding:0;display:grid;gap:8px;list-style:none;color:var(--muted);font-size:13px}
.achievement-list li{position:relative;padding-left:17px}
.achievement-list li:before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;background:#8fc3df}
.metric-list p{padding:16px 0;display:grid;grid-template-columns:100px 1fr;gap:20px;border-bottom:1px solid var(--line)}
.metric-list strong{color:var(--green)}
.metric-list span{color:var(--muted);font-size:13px}
.contact-list{margin:55px 0 28px;display:grid!important;grid-template-columns:1fr 1fr;gap:0!important;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.contact-list>a,.contact-list>div{min-height:112px;padding:20px;display:grid;grid-template-columns:1fr auto;align-content:center;gap:3px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s}
.contact-list>a:hover{background:var(--blue-soft)}
.contact-list small{grid-column:1;color:var(--green);font-size:10px;font-weight:800;letter-spacing:.12em}
.contact-list strong{font-size:15px}
.contact-list b{grid-column:2;grid-row:1/span 2;align-self:center;color:var(--green)}
.contact-note{max-width:720px;margin:0;color:var(--muted);font-size:12px}
@media(max-width:650px){.contact-list{grid-template-columns:1fr}.contact-list strong{font-size:13px}.metric-list p{grid-template-columns:1fr;gap:2px}}