:root{--void:#070908;--void-2:#0d100e;--ink:#e9ece5;--muted:#8b928b;--line:rgba(233,236,229,.17);--acid:#b6ff43;--heat:#ff6b39;--ice:#a9dfff;--font:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',sans-serif;--mono:'Cascadia Mono','SFMono-Regular',Consolas,monospace;--serif:'Source Han Serif SC','Noto Serif CJK SC','Songti SC',serif;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box;margin:0;padding:0}html{background:var(--void);scroll-behavior:smooth}body{background:var(--void);color:var(--ink);font:15px/1.7 var(--font);overflow-x:hidden}body::before{content:'';inset:0;position:fixed;z-index:50;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.topbar{position:absolute;top:0;left:50%;z-index:10;display:flex;align-items:center;justify-content:space-between;width:min(1400px,calc(100% - 64px));height:84px;transform:translateX(-50%);border-bottom:1px solid var(--line)}.identity{display:flex;align-items:center;gap:10px;font-weight:700}.site-nav{display:flex;gap:27px}.site-nav a,.top-status{font:10px var(--mono);letter-spacing:.1em}.site-nav a{color:var(--muted);transition:color .25s}.site-nav a:hover{color:var(--acid)}.top-status{display:flex;align-items:center;gap:8px;color:var(--acid)}.top-status i{width:6px;height:6px;border-radius:50%;background:var(--acid);box-shadow:0 0 14px var(--acid)}
.hero{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding:120px max(32px,calc((100vw - 1400px)/2 + 32px)) 60px;overflow:hidden}.hero::after{content:'';position:absolute;inset:0;z-index:-2;background:radial-gradient(circle at 74% 43%,rgba(58,109,77,.24),transparent 27%),radial-gradient(circle at 14% 90%,rgba(255,107,57,.12),transparent 29%)}#signal-canvas{position:absolute;z-index:-1;inset:0;width:100%;height:100%;opacity:.92}.hero-noise{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(7,9,8,.86),rgba(7,9,8,.18) 65%,rgba(7,9,8,.72));pointer-events:none}.hero-copy{max-width:790px}.kicker,.section-code{color:var(--acid);font:11px var(--mono);letter-spacing:.13em}.kicker{display:flex;gap:15px;align-items:center}.kicker span{color:var(--heat)}.hero h1{margin:25px 0 28px;font:900 clamp(62px,9.6vw,151px)/.83 var(--serif);letter-spacing:-.09em}.hero h1 span,.hero h1 em{display:block}.hero h1 em{margin-top:15px;color:transparent;font:400 clamp(22px,3vw,43px)/.94 var(--mono);letter-spacing:-.08em;-webkit-text-stroke:1px var(--ink)}.hero-summary{max-width:520px;color:#c1c8c0;font-size:16px}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:37px}.action-main{display:flex;align-items:center;gap:17px;padding:14px 17px;background:var(--acid);color:var(--void);font-weight:700;transition:transform .3s var(--ease),background .3s}.action-main:hover{background:#e5ffab;transform:translateY(-4px)}.action-main b,.action-plain b{font:18px var(--mono)}.action-plain{border-bottom:1px solid var(--line);padding:11px 0;color:var(--ink);font-size:12px}/* 头像：顶栏 + Hero */
.identity{display:flex;align-items:center;gap:10px;font-weight:700}
.identity-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid rgba(182,255,67,.45);background:#111;box-shadow:0 0 0 2px rgba(182,255,67,.08);transition:transform .35s var(--ease),border-color .3s,box-shadow .3s}
.identity:hover .identity-avatar{transform:rotate(-8deg) scale(1.06);border-color:var(--acid);box-shadow:0 0 0 3px rgba(182,255,67,.16),0 0 18px rgba(182,255,67,.2)}
.hero-aside{position:absolute;right:max(32px,calc((100vw - 1400px)/2 + 32px));bottom:76px;display:flex;flex-direction:column;align-items:flex-end;gap:28px}
.hero-avatar{display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-avatar-ring{position:relative;padding:5px;border-radius:50%;border:1px solid rgba(182,255,67,.35);background:rgba(7,9,8,.35);box-shadow:0 0 0 1px rgba(182,255,67,.08),0 18px 40px rgba(0,0,0,.35),0 0 28px rgba(182,255,67,.12)}
.hero-avatar-ring::before{content:'';position:absolute;inset:-7px;border-radius:50%;border:1px dashed rgba(182,255,67,.28);animation:avatar-orbit 18s linear infinite}
.hero-avatar-ring img{display:block;width:148px;height:148px;border-radius:50%;object-fit:cover;background:#1a1c18}
.hero-avatar figcaption{color:var(--muted);font:9px var(--mono);letter-spacing:.14em}
@keyframes avatar-orbit{to{transform:rotate(360deg)}}
.hero-readout{width:255px}.hero-readout div{display:grid;grid-template-columns:71px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--line)}.hero-readout dt{color:var(--muted);font:9px var(--mono);letter-spacing:.1em}.hero-readout dd{font-size:11px}.scroll-cue{position:absolute;left:max(32px,calc((100vw - 1400px)/2 + 32px));bottom:35px;display:flex;align-items:center;gap:10px;color:var(--muted);font:9px var(--mono);letter-spacing:.12em}.scroll-cue span{width:56px;height:1px;background:var(--acid);animation:pulse 1.8s ease-in-out infinite}@keyframes pulse{50%{transform:scaleX(.35);transform-origin:left}}
.manifesto,.work-section,.capability-section,.signal-section,.contact-section{width:min(1400px,calc(100% - 64px));margin:auto}.manifesto{padding:clamp(112px,12vw,168px) 0 clamp(96px,10vw,140px)}.manifesto-main{display:grid;grid-template-columns:1.35fr .65fr;gap:11vw;margin-top:25px}.manifesto h2,.section-heading h2,.contact-section h2{font:900 clamp(42px,5.5vw,82px)/1.08 var(--serif);letter-spacing:-.075em}.manifesto h2 span{color:var(--acid)}.manifesto-detail{align-self:end}.manifesto-detail p{color:var(--muted)}.text-link{display:inline-flex;gap:14px;margin-top:28px;padding-bottom:7px;border-bottom:1px solid var(--acid);color:var(--acid);font:12px var(--mono)}.metric-line{display:grid;grid-template-columns:repeat(4,1fr);margin-top:102px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metric-line div{padding:21px 15px;border-right:1px solid var(--line)}.metric-line div:first-child{padding-left:0}.metric-line div:last-child{border:0}.metric-line strong{display:block;font:400 34px var(--mono);letter-spacing:-.1em}.metric-line span{color:var(--muted);font-size:11px}
.work-section{padding:clamp(96px,10vw,140px) 0;border-top:1px solid var(--line)}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;column-gap:48px;row-gap:18px;margin-bottom:76px}.section-heading .section-code{grid-column:1/-1}.section-heading h2{grid-column:1}.section-heading>p:last-child:not(.section-code){grid-column:2;justify-self:end;color:var(--muted);font-size:12px;padding-bottom:8px;text-align:right;max-width:230px;line-height:1.65}.section-heading h2 i{font-weight:400;color:var(--acid)}.work-list{border-top:1px solid var(--line)}.work-item{position:relative;display:grid;grid-template-columns:130px 1.1fr 1fr;gap:30px;min-height:370px;padding:34px 32px;border-bottom:1px solid var(--line);overflow:hidden;transition:color .45s var(--ease),background .45s var(--ease)}.work-item::before{content:'';position:absolute;inset:0;z-index:-1;transform:translateX(-101%);transition:transform .65s var(--ease);background:var(--acid)}.work-item:hover{color:var(--void)}.work-item:hover::before{transform:none}.work-item--orange::before{background:var(--heat)}.work-item--ice::before{background:var(--ice)}.work-item--void::before{background:#d7d8d2}.work-index{color:var(--muted);font:10px var(--mono)}.work-title p{margin-bottom:20px;font:10px var(--mono);letter-spacing:.1em}.work-title h3{font:900 clamp(39px,4vw,65px)/.82 var(--serif);letter-spacing:-.075em}.work-title span{display:block;margin-top:17px;font-size:13px}.work-body{display:flex;flex-direction:column;justify-content:flex-end;color:#aab0aa;font-size:13px}.work-item:hover .work-body,.work-item:hover .work-index{color:rgba(7,9,8,.72)}.work-body ul{display:flex;flex-wrap:wrap;gap:7px;list-style:none;margin:20px 0}.work-body li{padding:3px 7px;border:1px solid currentColor;font:9px var(--mono)}.work-body a{align-self:flex-start;color:var(--acid);font:11px var(--mono)}.work-item:hover .work-body a{color:var(--void)}.side-projects{margin-top:72px;padding-top:26px;border-top:1px solid var(--line)}.side-projects-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}.side-projects-label{color:var(--acid);font:10px var(--mono);letter-spacing:.1em}.side-projects-sub{color:var(--muted);font:11px var(--mono)}.side-projects-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.tool-card{position:relative;display:flex;flex-direction:column;gap:13px;min-height:172px;padding:26px 24px;background:var(--void-2);transition:background .35s var(--ease),color .35s var(--ease)}.tool-card b{font:700 clamp(24px,2.6vw,34px)/1 var(--serif);letter-spacing:-.04em}.tool-card p{color:var(--muted);font-size:13px;line-height:1.7;max-width:42ch}.tool-card em{position:absolute;right:22px;bottom:20px;color:var(--acid);font:11px var(--mono);font-style:normal;transition:color .35s}.tool-card:hover{background:var(--acid);color:var(--void)}.tool-card:hover p{color:rgba(7,9,8,.7)}.tool-card:hover em{color:var(--void)}
.capability-section{padding:clamp(96px,10vw,140px) 0}.capability-map{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.capability-map article{min-height:275px;padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .35s,color .35s}.capability-map article:hover{background:#f1f4e9;color:var(--void)}.capability-map span{color:var(--acid);font:10px var(--mono)}.capability-map h3{margin:48px 0 15px;font:700 22px var(--serif)}.capability-map p{color:var(--muted);font-size:12px;line-height:1.9}.capability-map article:hover p{color:#50534e}.education-ribbon{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--acid);font:9px var(--mono);letter-spacing:.09em}
.signal-section{padding:clamp(96px,10vw,140px) 0;border-top:1px solid var(--line)}.award-stream{display:grid;grid-template-columns:90px minmax(0,1fr) 300px;gap:20px;align-items:center;border-top:1px solid var(--line)}.award-stream>*{padding:20px 0;border-bottom:1px solid var(--line)}.award-year{color:var(--heat);font:11px var(--mono)}.award-stream p{font:700 16px var(--serif)}.award-stream span{color:var(--muted);font-size:11px}.cert-wall{display:grid;grid-template-columns:1.15fr .85fr .85fr 1.15fr;gap:1px;margin-top:70px;background:var(--line)}.cert-thumb{height:250px;padding:0;border:0;overflow:hidden;background:#fff;cursor:zoom-in}.cert-thumb img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease),filter .4s;filter:saturate(.65)}.cert-thumb:hover img{transform:scale(1.07);filter:saturate(1.15)}.signal-notes{display:flex;gap:20px;justify-content:space-between;padding-top:18px;color:var(--muted);font-size:11px}.contact-section{padding:clamp(96px,10vw,140px) 0}.contact-section h2{margin:25px 0 65px;font-size:clamp(55px,8vw,130px)}.contact-section h2 span{color:transparent;-webkit-text-stroke:1px var(--acid)}.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.contact-grid a{position:relative;display:flex;flex-direction:column;gap:43px;min-height:140px;padding:19px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s,color .3s}.contact-grid a:hover{color:var(--void);background:var(--acid)}.contact-grid small{color:var(--muted);font:9px var(--mono);letter-spacing:.1em}.contact-grid strong{font:500 12px var(--mono);word-break:break-word}.contact-grid b{position:absolute;right:16px;bottom:12px;font:19px var(--mono)}footer{display:flex;justify-content:space-between;padding:23px 32px;border-top:1px solid var(--line);color:var(--muted);font:9px var(--mono);letter-spacing:.1em}.lightbox[hidden]{display:none}.lightbox{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:36px;background:rgba(7,9,8,.95)}.lightbox button{position:absolute;top:19px;right:22px;width:40px;height:40px;border:1px solid var(--line);background:transparent;color:var(--ink);font-size:24px;cursor:pointer}.lightbox figure{max-width:min(780px,94vw);text-align:center}.lightbox img{max-height:78vh;margin:auto;background:white}.lightbox figcaption{margin-top:14px;color:var(--ink);font-size:12px}.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.in{opacity:1;transform:none}
@media(max-width:900px){.hero-aside{right:24px;bottom:48px}.hero-avatar-ring img{width:112px;height:112px}.hero-readout{display:none}.work-item{grid-template-columns:90px 1fr;gap:20px}.work-body{grid-column:2}.capability-map{grid-template-columns:repeat(3,1fr)}.capability-map article:nth-child(4),.capability-map article:nth-child(5){min-height:220px}.contact-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.topbar{position:relative;left:auto;width:100%;height:68px;padding:0 20px;transform:none}.site-nav,.top-status{display:none}.hero-aside{position:relative;right:auto;bottom:auto;margin-top:36px;align-items:flex-start}.hero-avatar-ring img{width:96px;height:96px}.hero-avatar figcaption{font-size:8px}.hero{min-height:calc(100svh - 68px);padding:72px 20px 42px}.hero-noise{background:rgba(7,9,8,.47)}.hero h1{font-size:clamp(60px,18vw,100px)}.hero h1 em{font-size:21px}.hero-summary{font-size:13px}.hero-actions{gap:16px;flex-wrap:wrap}.action-main{padding:12px}.manifesto,.work-section,.capability-section,.signal-section,.contact-section{width:calc(100% - 40px)}.manifesto,.work-section,.capability-section,.signal-section{padding:85px 0}.manifesto-main,.section-heading{grid-template-columns:1fr;gap:25px}.manifesto h2,.section-heading h2{font-size:42px}.metric-line{grid-template-columns:repeat(2,1fr);margin-top:65px}.metric-line div:nth-child(2){border-right:0}.metric-line div:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric-line div:nth-child(3){padding-left:0}.section-heading{margin-bottom:40px}.work-item{display:block;min-height:0;padding:28px 0}.work-index{margin-bottom:25px}.work-title p{margin-bottom:11px}.work-title h3{font-size:49px}.work-body{margin-top:28px}.side-projects{align-items:flex-start;flex-direction:column;gap:13px}.capability-map{grid-template-columns:1fr}.capability-map article{min-height:0;padding:23px}.capability-map h3{margin:30px 0 10px}.education-ribbon{align-items:flex-start;flex-direction:column}.award-stream{grid-template-columns:58px 1fr;gap:12px}.award-stream span{grid-column:2;padding-top:0}.cert-wall{grid-template-columns:repeat(2,1fr);margin-top:43px}.cert-thumb{height:185px}.signal-notes{flex-direction:column;gap:7px}.contact-section{padding:90px 0}.contact-section h2{margin-bottom:45px;font-size:55px}.contact-grid{grid-template-columns:1fr}.contact-grid a{min-height:112px;gap:28px}footer{flex-direction:column;gap:8px;padding:20px}.lightbox{padding:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

/* 修复项目悬浮层级，并收紧展示性字号。 */
.work-item{isolation:isolate}.work-item>*{position:relative;z-index:1}.work-item::before{z-index:0}
.hero h1{margin-bottom:25px;font-size:clamp(56px,8.3vw,124px);line-height:.88;letter-spacing:-.07em}.hero h1 em{margin-top:13px;color:var(--muted);font-size:clamp(18px,2.1vw,29px);line-height:1;letter-spacing:-.04em;-webkit-text-stroke:0}
.manifesto h2,.section-heading h2{font-size:clamp(38px,4.6vw,68px);line-height:1.12;letter-spacing:-.055em}.work-title h3{font-size:clamp(34px,3.2vw,52px);line-height:.92;letter-spacing:-.055em}.contact-section h2{font-size:clamp(48px,6vw,94px)}.contact-section h2 span{color:var(--acid);-webkit-text-stroke:0}
@media(max-width:640px){.hero h1{font-size:clamp(56px,17vw,86px)}.hero h1 em{font-size:17px}.manifesto h2,.section-heading h2{font-size:38px}.work-title h3{font-size:42px}.contact-section h2{font-size:48px}}

/* 成果档案：通用证书与软件著作权使用不同的信息层级。 */
.credential-archive,.software-archive{margin-top:78px}.archive-heading{display:grid;grid-template-columns:1fr minmax(0,1.5fr) auto;gap:20px;align-items:baseline;margin-bottom:22px}.archive-heading p{color:var(--acid);font:10px var(--mono);letter-spacing:.1em}.archive-heading h3{font:700 25px var(--serif);letter-spacing:-.03em}.archive-heading span{color:var(--muted);font:10px var(--mono)}
.credential-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.credential-card,.software-card{position:relative;display:flex;flex-direction:column;align-items:stretch;padding:0;border:0;background:var(--void-2);color:var(--ink);text-align:left;cursor:zoom-in;overflow:hidden}.credential-card{min-height:290px}.credential-card img{width:100%;height:198px;padding:9px;object-fit:contain;background:#f8f8f5;filter:saturate(.72);transition:filter .35s ease,transform .45s var(--ease)}.credential-card span{padding:13px 14px 1px;font:700 14px var(--serif)}.credential-card small{padding:0 14px 15px;color:var(--muted);font-size:10px}.credential-card::after{content:'放大 ↗';position:absolute;right:12px;top:12px;z-index:1;padding:4px 6px;background:var(--acid);color:var(--void);font:9px var(--mono);opacity:0;transform:translateY(-6px);transition:opacity .25s ease,transform .25s var(--ease)}.credential-card:hover img{filter:saturate(1.08);transform:scale(1.035)}.credential-card:hover::after{opacity:1;transform:none}
.software-archive{padding:31px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(182,255,67,.06),transparent 34%)}.software-archive .archive-heading{padding-bottom:21px;border-bottom:1px solid var(--line)}.software-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.software-card{min-height:338px;padding:14px;transition:background .3s ease,color .3s ease}.software-card b{position:absolute;top:13px;left:13px;z-index:1;color:var(--acid);font:10px var(--mono)}.software-card img{width:100%;height:225px;padding:12px 4px 7px;object-fit:contain;background:#fff;filter:grayscale(.18) saturate(.75);transition:filter .35s ease,transform .45s var(--ease)}.software-card span{margin-top:9px;font:700 13px/1.4 var(--serif)}.software-card small{margin-top:3px;color:var(--muted);font-size:10px}.software-card:hover{color:var(--void);background:var(--acid)}.software-card:hover b{color:var(--void)}.software-card:hover img{filter:grayscale(0) saturate(1);transform:scale(1.025)}.software-card:hover small{color:rgba(7,9,8,.67)}
@media(max-width:900px){.credential-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.software-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.credential-archive,.software-archive{margin-top:55px}.archive-heading{grid-template-columns:1fr;gap:7px}.archive-heading h3{font-size:22px}.credential-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.credential-card{min-height:240px}.credential-card img{height:160px;padding:6px}.credential-card span{padding:10px 10px 1px;font-size:12px}.credential-card small{padding:0 10px 11px;font-size:9px}.software-archive{padding:17px}.software-grid{grid-template-columns:1fr}.software-card{min-height:0;display:grid;grid-template-columns:112px 1fr;column-gap:13px;align-items:center;padding:11px}.software-card img{grid-row:1 / span 3;width:112px;height:125px;padding:5px}.software-card b{top:9px;left:9px}.software-card span{margin-top:0;font-size:13px}.software-card small{margin-top:0}}

/* 布局微调：补齐滚动显现基础规则 + 移动端章节标题回退单列 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important}}
@media(max-width:640px){.section-heading .section-code,.section-heading h2,.section-heading>p:last-child:not(.section-code){grid-column:1;justify-self:start;text-align:left;max-width:none;padding-bottom:0}}
@media(max-width:640px){.side-projects-grid{grid-template-columns:1fr}.tool-card{min-height:0;padding:20px}.tool-card em{right:18px;bottom:16px}}

/* 个人档案 + 校园经历 */
.personal-facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.personal-facts div{padding:18px 16px;border-right:1px solid var(--line)}
.personal-facts div:first-child{padding-left:0}
.personal-facts div:last-child{border:0}
.personal-facts span{display:block;color:var(--muted);font:9px var(--mono);letter-spacing:.1em;margin-bottom:7px}
.personal-facts strong{font:500 15px var(--serif);letter-spacing:-.01em}
.manifesto .metric-line{margin-top:56px}
.campus-block{margin-top:78px}
.campus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.campus-card{display:flex;flex-direction:column;gap:7px;min-height:185px;padding:24px;background:var(--void-2)}
.campus-card b{color:var(--acid);font:10px var(--mono);letter-spacing:.1em}
.campus-card h4{font:700 20px var(--serif);letter-spacing:-.02em}
.campus-card small{color:var(--heat);font:11px var(--mono)}
.campus-card p{color:var(--muted);font-size:13px;line-height:1.8;margin-top:6px}
@media(max-width:900px){.personal-facts{grid-template-columns:repeat(2,1fr)}.personal-facts div:nth-child(2){border-right:0}.personal-facts div:nth-child(-n+2){border-bottom:1px solid var(--line)}.personal-facts div:nth-child(3){padding-left:0}}
@media(max-width:640px){.campus-grid{grid-template-columns:1fr}.campus-card{min-height:0;padding:20px}}

/* ===== AI 能力高亮 ===== */
.capability-ai{background:var(--acid);color:var(--void)}
.capability-ai span{color:var(--void);opacity:.8}
.capability-ai h3{color:var(--void)}
.capability-ai p{color:var(--void);opacity:.74}
.capability-ai:hover{background:var(--acid);color:var(--void)}
.capability-ai:hover p{color:var(--void);opacity:.74}

/* ===== 主题切换按钮 ===== */
.theme-toggle{position:fixed;right:22px;bottom:22px;z-index:90;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--void-2);color:var(--ink);cursor:pointer;display:grid;place-items:center;font-size:20px;line-height:1;box-shadow:0 8px 22px -8px rgba(0,0,0,.5);transition:transform .25s var(--ease),border-color .25s,background .25s,color .25s}
.theme-toggle:hover{transform:translateY(-3px);border-color:var(--acid)}
.theme-icon-sun{display:none}
html[data-theme="light"] .theme-icon-sun{display:block}
html[data-theme="light"] .theme-icon-moon{display:none}

/* ===== 浅色主题 ===== */
html[data-theme="light"]{--void:#f5f4ee;--void-2:#ffffff;--ink:#1a1a13;--muted:#63645a;--line:rgba(26,26,19,.13);--acid:#3f7d1f;--heat:#d6471c;--ice:#2b7fb8}
html[data-theme="light"] body::before{opacity:.02}
html[data-theme="light"] .hero::after{background:radial-gradient(circle at 74% 43%,rgba(120,150,110,.16),transparent 27%),radial-gradient(circle at 14% 90%,rgba(214,71,28,.07),transparent 29%)}
html[data-theme="light"] .hero-noise{background:linear-gradient(90deg,rgba(245,244,238,.94),rgba(245,244,238,.32) 65%,rgba(245,244,238,.82))}
html[data-theme="light"] #signal-canvas{opacity:.9}
html[data-theme="light"] .hero-summary{color:var(--muted)}
html[data-theme="light"] .work-body{color:var(--muted)}
html[data-theme="light"] .work-item:hover .work-body,html[data-theme="light"] .work-item:hover .work-index{color:rgba(255,255,255,.82)}
html[data-theme="light"] .work-item--void::before{background:var(--ink)}
html[data-theme="light"] .capability-map article:hover{background:var(--ink);color:var(--void-2)}
html[data-theme="light"] .capability-map article:hover p{color:rgba(255,255,255,.72)}
html[data-theme="light"] .software-card:hover small{color:rgba(255,255,255,.75)}

/* Polished motion and depth pass. */
.topbar{transition:width .45s var(--ease),height .45s var(--ease),top .45s var(--ease),background .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease)}
.topbar.is-scrolled{position:fixed;top:14px;height:58px;padding:0 18px;background:rgba(10,14,12,.7);border:1px solid rgba(233,236,229,.16);border-radius:999px;backdrop-filter:blur(18px) saturate(1.18);box-shadow:0 16px 44px rgba(0,0,0,.24)}
.identity{transition:opacity .25s ease}.identity:hover{opacity:.76}
.site-nav a{position:relative;padding:6px 0}.site-nav a::after{content:'';position:absolute;right:0;bottom:0;left:0;height:1px;background:var(--acid);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}.site-nav a:hover::after{transform:scaleX(1);transform-origin:left}
.action-main{position:relative;overflow:hidden;box-shadow:0 10px 26px rgba(182,255,67,.08)}.action-main::before{content:'';position:absolute;inset:-1px auto -1px -40%;width:35%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);transition:left .7s var(--ease)}.action-main:hover::before{left:115%}
.hero-readout div{transition:padding-left .35s var(--ease),border-color .35s ease}.hero-readout div:hover{padding-left:8px;border-color:rgba(182,255,67,.55)}
.personal-facts{grid-template-columns:repeat(5,minmax(0,1fr))}.personal-facts div{transition:background .35s var(--ease),transform .35s var(--ease)}.personal-facts div:hover{background:rgba(182,255,67,.07);transform:translateY(-3px)}
.work-item{transition:color .5s var(--ease),box-shadow .5s var(--ease)}.work-item:hover{box-shadow:inset 0 0 0 1px rgba(7,9,8,.22)}.work-body a{position:relative}.work-body a::after{content:'';position:absolute;right:0;bottom:-4px;left:0;height:1px;background:currentColor;transform:scaleX(.28);transform-origin:left;transition:transform .35s var(--ease)}.work-item:hover .work-body a::after{transform:scaleX(1)}
.capability-map article{position:relative;overflow:hidden;transition:background .45s var(--ease),color .45s var(--ease),transform .45s var(--ease)}.capability-map article::after{content:'';position:absolute;right:-35px;bottom:-35px;width:88px;height:88px;border:1px solid currentColor;border-radius:50%;opacity:0;transform:scale(.55);transition:opacity .45s ease,transform .5s var(--ease)}.capability-map article:hover{transform:translateY(-5px)}.capability-map article:hover::after{opacity:.34;transform:scale(1)}
.contact-grid a{overflow:hidden}.contact-grid a::before{content:'';position:absolute;inset:auto -8px -28px auto;width:80px;height:80px;border:1px solid currentColor;border-radius:50%;opacity:.22;transition:transform .45s var(--ease)}.contact-grid a:hover::before{transform:scale(1.7)}
@media(max-width:900px){.personal-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.personal-facts div:nth-child(even){border-right:0}.personal-facts div:nth-child(-n+4){border-bottom:1px solid var(--line)}.personal-facts div:nth-child(odd){padding-left:0}.personal-facts div:nth-child(5){border-right:0}}
@media(max-width:640px){.topbar.is-scrolled{top:8px;width:calc(100% - 24px);height:52px}.personal-facts div:hover,.capability-map article:hover{transform:none}}
html[data-theme="light"] .topbar.is-scrolled{background:rgba(255,255,255,.72);box-shadow:0 14px 38px rgba(15,18,12,.12)}
html[data-theme="light"] .identity-avatar{border-color:rgba(63,125,31,.4);box-shadow:0 0 0 2px rgba(63,125,31,.08)}
html[data-theme="light"] .identity:hover .identity-avatar{border-color:var(--acid);box-shadow:0 0 0 3px rgba(63,125,31,.14)}
html[data-theme="light"] .hero-avatar-ring{border-color:rgba(63,125,31,.3);background:rgba(255,255,255,.55);box-shadow:0 0 0 1px rgba(63,125,31,.08),0 16px 36px rgba(20,28,12,.1),0 0 22px rgba(63,125,31,.08)}
html[data-theme="light"] .hero-avatar-ring::before{border-color:rgba(63,125,31,.22)}
html[data-theme="light"] .hero-avatar figcaption{color:var(--muted)}
@media(prefers-reduced-motion:reduce){.hero-avatar-ring::before{animation:none}}