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saturate(1.5);backdrop-filter:blur(20px) saturate(1.5);border-bottom:1px solid var(--border);padding:10px 32px}.logo{font-family:var(--f-head);font-size:20px;font-weight:700;text-decoration:none;letter-spacing:-.03em;color:var(--text);transition:color .25s var(--ease-out);position:relative}.logo:hover{color:var(--accent)}.nav-r{display:flex;align-items:center;gap:2px}.nav-r a{position:relative;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;font-family:var(--f-head);padding:8px 14px;border-radius:6px;min-height:44px;display:inline-flex;align-items:center;transition:color .25s var(--ease-out),background .25s var(--ease-out)}.nav-r a:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:0 50%;transition:transform .35s var(--ease-expo)}.nav-r a:hover{color:var(--text)}.nav-r a:hover:after{transform:scaleX(1)}.nav-r a.active{color:var(--text)}.nav-r 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100%)}.hero-prompt{font-family:var(--f-mono);font-size:clamp(40px,6vw,64px);font-weight:400;color:rgba(var(--accent-rgb),.25);line-height:1;margin-bottom:.5rem;user-select:none}.hero-h{font-family:var(--f-head);font-size:clamp(44px,7vw,84px);font-weight:700;line-height:1.05;letter-spacing:-.035em;margin-bottom:2rem;color:var(--text);text-align:left}.hero-line{display:block;overflow:hidden;position:relative}.hero-line>*{display:inline}.hero-em{color:var(--accent);font-style:normal;font-family:var(--f-head);font-weight:700}.hero-mono{font-family:var(--f-mono);font-weight:600;letter-spacing:.02em;font-style:normal;color:var(--accent2)}.hero-sub{max-width:580px;color:var(--text-secondary);font-family:var(--f-mono);font-size:clamp(13px,1.1vw,15px);font-weight:400;line-height:1.9;margin-bottom:2.5rem;opacity:0;transform:translateY(16px);transition:opacity .7s .5s var(--ease-out),transform .7s .5s var(--ease-out);letter-spacing:.01em}.hero-sub.in{opacity:1;transform:translateY(0)}.hero-comment{color:var(--text-tertiary)}.hero-strip{display:flex;align-items:stretch;flex-wrap:wrap;gap:0;margin-top:1rem;border:1px solid var(--border);border-radius:var(--r-lg);background:rgba(var(--bg-rgb),.5);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden;max-width:720px;opacity:0;transform:translateY(20px);transition:opacity .7s .8s var(--ease-out),transform .7s .8s var(--ease-out)}.hero-strip.in{opacity:1;transform:translateY(0)}.hs-item{padding:1rem 2rem 1rem 1.5rem;border-right:1px solid var(--border);position:relative;will-change:transform,opacity;transition:background .3s var(--ease-out)}.hs-item:hover{background:var(--surface-hover)}.hs-item:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:60%;background:var(--accent);opacity:.55;transition:opacity .3s var(--ease-out),height .3s 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62%,rgba(var(--bg-rgb),.99))}.profile-card .pc-toplight{position:absolute;top:-60px;left:50%;transform:translate(-50%);width:320px;height:220px;pointer-events:none;background:radial-gradient(ellipse,rgba(var(--accent-rgb),.12),transparent 65%)}.profile-card .pc-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;padding:2rem 2rem 2.25rem}.pc-info{text-align:center}.pc-name{font-family:var(--f-head);font-size:1.5rem;font-weight:700;letter-spacing:-.03em;color:var(--text)}.pc-role{font-size:13px;color:var(--text-secondary);font-family:var(--f-head);font-weight:500;margin-top:.4rem}.pc-divider{width:100%;height:1px;background:var(--border);margin:1.25rem 0 1rem}.pc-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.pc-tag{padding:3px 10px;border-radius:100px;background:var(--surface);border:1px solid var(--border);font-size:11px;font-weight:500;color:var(--text-secondary);font-family:var(--f-head);transition:color .25s var(--ease-out),border-color .25s var(--ease-out)}.pc-tag:hover{color:var(--accent);border-color:rgba(var(--accent-rgb),.3)}.pc-quote{font-size:13px;color:var(--text-tertiary);font-family:var(--f-head);line-height:1.7;text-align:center;font-style:normal;margin-top:1rem;opacity:.8}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:3.5rem}.c-cell{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:2.5rem 2rem;position:relative;overflow:hidden;cursor:default;transition:border-color .35s var(--ease-out),background .35s var(--ease-out),transform .4s var(--ease-out)}.c-cell:hover{border-color:rgba(var(--accent-rgb),.28);background:var(--surface-alt);transform:translateY(-4px)}.c-cell:before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--sx, 50%) var(--sy, 50%),rgba(var(--accent-rgb),.1),transparent 60%);opacity:0;transition:opacity .35s 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.c-title{color:var(--accent-hover)}.c-desc{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:1rem}.c-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:1rem}.c-meta-item{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-tertiary);font-family:var(--f-head)}.c-meta-item svg{opacity:.5}.c-outcome{font-size:12px;color:var(--accent2);font-family:var(--f-head);font-weight:600;margin-bottom:.75rem}.c-items{display:flex;flex-direction:column;gap:.4rem}.c-item{font-size:13px;color:var(--text-tertiary);font-family:var(--f-head);display:flex;align-items:center;gap:.5rem}.c-item:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6;flex-shrink:0}.c-lv{display:inline-flex;margin-top:1.25rem;margin-right:.5rem;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600;font-family:var(--f-head);letter-spacing:.04em;text-transform:uppercase;border:1px solid var(--border);color:var(--text-tertiary);background:var(--surface);transition:color .25s var(--ease-out),border-color .25s var(--ease-out),background .25s var(--ease-out)}.c-cell:hover .c-lv{color:var(--accent);border-color:rgba(var(--accent-rgb),.28);background:var(--accent-subtle)}.stack-wrap{margin-top:3rem;display:flex;justify-content:center}.stack-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:720px}.s-chip{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:100px;border:1px solid var(--border);background:var(--surface);white-space:nowrap;cursor:default;transition:border-color .3s var(--ease-out),background .3s var(--ease-out),transform .35s var(--ease-spring)}.s-chip:hover{border-color:rgba(var(--accent-rgb),.3);background:var(--accent-subtle);transform:translateY(-3px)}.s-chip-name{font-family:var(--f-head);font-size:13px;font-weight:500;color:var(--text-secondary);transition:color .25s var(--ease-out)}.s-chip:hover .s-chip-name{color:var(--text)}.s-chip .svg-icon{color:var(--text-tertiary);transition:color .3s var(--ease-out),transform .35s var(--ease-spring)}.s-chip:hover .svg-icon{color:var(--accent);transform:scale(1.15) rotate(-6deg)}.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:2rem}.sg-cell{background:var(--bg);padding:2rem 1.75rem;position:relative;transition:background .3s var(--ease-out)}.sg-cell:before{content:"";position:absolute;inset:0;background:radial-gradient(300px circle at var(--sx, 50%) var(--sy, 50%),rgba(var(--accent-rgb),.08),transparent 60%);opacity:0;transition:opacity .3s var(--ease-out);pointer-events:none}.sg-cell:hover:before{opacity:1}.sg-cell:hover{background:var(--surface-alt)}.sg-icon{margin-bottom:1rem;display:inline-flex;padding:10px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);transition:border-color .3s var(--ease-out),background .3s var(--ease-out),transform .35s var(--ease-spring)}.sg-icon .svg-icon{color:var(--text-tertiary);transition:color .3s var(--ease-out)}.sg-cell:hover .sg-icon{border-color:rgba(var(--accent-rgb),.28);background:var(--accent-subtle);transform:translateY(-2px)}.sg-cell:hover .sg-icon .svg-icon{color:var(--accent)}.sg-name{font-family:var(--f-head);font-size:16px;font-weight:600;letter-spacing:-.02em;color:var(--text);margin-bottom:.5rem}.sg-desc{font-size:13px;color:var(--text-secondary);line-height:1.7}.sg-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:.875rem}.sg-tag{padding:2px 8px;border-radius:100px;background:var(--surface);border:1px solid var(--border);font-size:11px;font-weight:500;color:var(--text-tertiary);font-family:var(--f-head);transition:color .25s var(--ease-out),border-color .25s var(--ease-out)}.sg-cell:hover .sg-tag{color:var(--text-secondary);border-color:var(--border-hover)}.mosaic{margin-top:3.5rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;max-width:720px;margin-left:auto;margin-right:auto}.m-card:nth-child(2n){margin-top:2.5rem}.m-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);cursor:pointer;transition:border-color .35s var(--ease-out),transform .4s var(--ease-spring)}.m-card:hover{border-color:rgba(var(--accent-rgb),.3);transform:translateY(-4px)}.m-img{position:relative;aspect-ratio:4 / 5;overflow:hidden}.m-img img{width:100%;height:100%;object-fit:cover;filter:brightness(.78) saturate(1.08);transition:transform .8s var(--ease-out),filter .5s ease}.m-card:hover .m-img img{transform:scale(1.06);filter:brightness(.9) saturate(1.15)}.m-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:1.25rem;background:linear-gradient(180deg,transparent 35%,rgba(var(--bg-rgb),.75) 100%)}.m-tag{align-self:flex-start;display:inline-flex;padding:3px 10px;border-radius:100px;background:rgba(var(--bg-rgb),.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(var(--accent-rgb),.25);font-size:11px;font-weight:500;font-family:var(--f-head);color:var(--text);margin-bottom:.6rem}.m-info h3{font-family:var(--f-head);font-size:15px;font-weight:600;letter-spacing:-.02em;color:var(--text);margin-bottom:.25rem;line-height:1.3}.m-info p{font-size:12px;color:var(--text-secondary);line-height:1.55}.m-card:after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);box-shadow:inset 0 0 0 1px rgba(var(--accent-rgb),.2);opacity:0;transition:opacity .35s var(--ease-out);pointer-events:none}.m-card:hover:after{opacity:1}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:3.5rem}.stat-item{background:var(--bg);padding:3rem 2rem;text-align:center;position:relative;transition:background .3s var(--ease-out)}.stat-item:hover{background:var(--surface-alt)}.stat-n{position:relative;font-family:var(--f-mono);font-size:clamp(36px,5vw,56px);font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--text);font-variant-numeric:tabular-nums}.stat-l{position:relative;font-size:13px;color:var(--text-tertiary);font-family:var(--f-mono);margin-top:.75rem;letter-spacing:.05em;text-transform:uppercase;font-weight:500}.tl-layout{display:grid;grid-template-columns:220px 1fr;gap:5rem;align-items:start}.tl-sticky{position:sticky;top:8rem}.tl{display:flex;flex-direction:column;gap:0;position:relative}.tl:before{content:"";position:absolute;left:0;top:8px;bottom:0;width:1px;background:linear-gradient(180deg,rgba(var(--accent-rgb),.5),var(--border) 30%,var(--border) 80%,transparent)}.tl-item{padding:0 0 2.5rem 2rem;position:relative}.tl-dot{position:absolute;left:-3.5px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--bg);border:1.5px solid var(--text-tertiary);transition:background .3s var(--ease-out),border-color .3s var(--ease-out),box-shadow .3s var(--ease-out)}.tl-dot.active{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-subtle),0 0 12px rgba(var(--accent-rgb),.4)}.milestone{display:inline-flex;align-items:center;gap:.5rem;padding:3px 12px;border-radius:100px;background:var(--surface);border:1px solid var(--border);font-size:11px;font-weight:600;color:var(--text-secondary);font-family:var(--f-head);margin-bottom:.75rem;transition:border-color .3s var(--ease-out),color .3s var(--ease-out)}.tl-item:hover .milestone{border-color:rgba(var(--accent-rgb),.28);color:var(--accent)}.milestone:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent2);opacity:.8}.tl-t{font-family:var(--f-head);font-size:16px;font-weight:600;letter-spacing:-.02em;margin-bottom:.5rem;color:var(--text)}.tl-d{font-size:14px;color:var(--text-secondary);line-height:1.75;max-width:520px}.cert-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:5rem;align-items:center;margin-top:4.5rem}.cert-frame{position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--surface);border:1px solid var(--border);cursor:zoom-in;max-width:460px;margin:0 auto;width:100%;transition:transform .5s var(--ease-out),border-color .4s var(--ease-out),box-shadow .4s var(--ease-out)}.cert-frame:hover{transform:translateY(-6px);border-color:rgba(var(--accent-rgb),.35);box-shadow:0 12px 40px rgba(var(--accent-rgb),.08)}.cert-frame img{width:100%;height:auto;display:block}.cert-frame:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.cert-frame:after{content:"点击查看大图";position:absolute;bottom:1rem;right:1rem;font-size:11px;font-family:var(--f-head);font-weight:500;letter-spacing:.06em;padding:6px 12px;border-radius:100px;background:rgba(var(--bg-rgb),.7);color:var(--text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;transition:opacity .3s ease;pointer-events:none}.cert-frame:hover:after{opacity:1}.cert-info{display:flex;flex-direction:column;gap:1.5rem;padding:.5rem 0}.cert-badge{display:inline-flex;align-items:center;gap:.5rem;padding:6px 14px;border:1px solid rgba(var(--accent-rgb),.35);border-radius:100px;background:var(--accent-subtle);font-size:11px;font-family:var(--f-mono);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);align-self:flex-start}.cert-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}.cert-title{font-family:var(--f-head);font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.35;color:var(--text);letter-spacing:-.02em}.cert-desc{color:var(--text-secondary);font-size:14px;line-height:1.85}.cert-meta{list-style:none;padding:0;margin:0;border-top:1px solid var(--border)}.cert-meta li{display:flex;justify-content:space-between;align-items:center;padding:.875rem 0;border-bottom:1px solid var(--border);font-size:13px;gap:1rem;transition:background .25s var(--ease-out),padding .25s var(--ease-out)}.cert-meta li:hover{background:var(--surface);padding-left:.5rem;padding-right:.5rem}.cert-meta-key{color:var(--text-tertiary);font-family:var(--f-head);font-weight:500;letter-spacing:.06em;text-transform:uppercase;font-size:11px}.cert-meta-val{color:var(--text);font-weight:500;font-family:var(--f-mono);font-size:13px}.cert-lightbox{position:fixed;inset:0;background:rgba(var(--bg-rgb),.93);z-index:9999;display:none;align-items:center;justify-content:center;padding:2rem;cursor:zoom-out;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.cert-lightbox.open{display:flex;animation:certFadeIn .3s ease}.cert-lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}@keyframes certFadeIn{0%{opacity:0}to{opacity:1}}@media (max-width: 1200px){.course-grid{grid-template-columns:repeat(2,1fr)}.skill-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 1024px){.about-layout{grid-template-columns:1fr;gap:3rem}.skill-grid{grid-template-columns:repeat(2,1fr)}.tl-layout{grid-template-columns:1fr}.tl-sticky{position:static}.stats-row{grid-template-columns:repeat(2,1fr)}.cert-layout{grid-template-columns:1fr;gap:2rem}}@media (max-width: 768px){.sec{padding:80px 20px}.course-grid{grid-template-columns:1fr}.hero{padding:8rem 20px 5rem}.hero-inner{padding-left:1.25rem}.hero-h{font-size:clamp(36px,11vw,60px)}.hero-prompt{font-size:clamp(28px,8vw,44px)}.hero-strip{flex-wrap:wrap;gap:.5rem 0}.hs-item{padding:.75rem 1rem .75rem .9rem}.hs-item:nth-child(3){border-right:1px solid var(--border)}.hs-item:nth-child(4){border-right:none}.hero-enter{right:20px;bottom:20px}.skill-grid{grid-template-columns:1fr}.stats-row{grid-template-columns:1fr 1fr}.mosaic{grid-template-columns:1fr;max-width:400px}.m-card:nth-child(2n){margin-top:0}nav{padding:14px 20px}nav.scrolled{padding:10px 20px}.nav-r{gap:0}.nav-r a{padding:8px;font-size:13px}.nav-r a:after{left:8px;right:8px}body{overflow-x:hidden}}@media (max-width: 640px){.sec{padding:64px 16px}.hero{padding:6rem 16px 4rem}.stats-row{grid-template-columns:1fr}.hero-h{font-size:clamp(36px,11vw,52px)}.hs-item{padding:.6rem .8rem .6rem .7rem}.cert-layout{grid-template-columns:1fr;gap:2.5rem;margin-top:3rem}.cert-frame{max-width:420px}.mosaic{gap:1rem}.m-img{aspect-ratio:3 / 4}.m-overlay{padding:1rem}.m-info h3{font-size:13px}.m-info p{font-size:11px}}@media (max-width: 380px){.nav-r{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav-r::-webkit-scrollbar{display:none}.nav-r a{flex-shrink:0}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.hero-sub,.hero-strip{opacity:1;transform:none}.hero-line{overflow:visible;transform:none!important}#neuralCanvas{opacity:.4}#spotlight{display:none}.c-cell:before{display:none}.scroll-progress{display:none}.tl-sticky{position:static}.m-card:nth-child(2n){margin-top:0}}