@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&display=swap");@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");.edulab-root{position:relative;z-index:1;--el-bg:#050b16;--el-panel:#0c1829;--el-panel-2:#0a1424;--el-line:#1a2d4a;--el-blue:#3b82f6;--el-cyan:#22d3ee;--el-green:#10b981;--el-text:#e2e8f0;--el-dim:#7a99b8;--sc-physics:#60a5fa;--sc-chemistry:#c084fc;--sc-math:#fbbf24;--sc-biology:#34d399;--sc-earth:#2dd4bf;--el-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",monospace;--el-sans:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;min-height:100vh;background:var(--el-bg);color:var(--el-text);font-family:var(--el-sans)}.edulab-hero{position:relative;overflow:hidden;text-align:center;padding:48px 20px 40px;background:radial-gradient(900px 420px at 50% -140px,rgba(34,211,238,.12),transparent 70%),radial-gradient(700px 380px at 85% 10%,rgba(192,132,252,.07),transparent 70%),linear-gradient(180deg,rgba(8,19,36,.85) 0,rgba(10,26,48,.9) 55%,var(--el-bg) 100%),url(/generated/ai-paid/ai-edu-lab-hero.webp) 50%/cover no-repeat;border-bottom:1px solid rgba(59,130,246,.18)}.edulab-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(96,165,250,.05) 1px,transparent 0),linear-gradient(90deg,rgba(96,165,250,.05) 1px,transparent 0);background-size:28px 28px;-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 78%);mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 78%);pointer-events:none}.edulab-hero>*{position:relative;z-index:1}.edulab-hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}.edulab-formula{position:absolute;font-family:var(--el-mono);font-size:13px;color:rgba(147,197,253,.32);text-shadow:0 0 14px rgba(59,130,246,.35);animation:el-float var(--dur,9s) ease-in-out var(--delay,0s) infinite;-webkit-user-select:none;-moz-user-select:none;user-select:none;white-space:nowrap}@keyframes el-float{0%,to{transform:translateY(0);opacity:.22}50%{transform:translateY(-16px);opacity:.55}}.edulab-atom{position:relative;width:140px;height:140px;margin:0 auto 4px;perspective:700px}.edulab-nucleus{position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;background:radial-gradient(circle at 35% 32%,#fff,var(--el-cyan) 45%,#0e7490 100%);box-shadow:0 0 18px rgba(34,211,238,.85),0 0 48px rgba(34,211,238,.35);animation:el-nucleus 2.6s ease-in-out infinite}@keyframes el-nucleus{0%,to{box-shadow:0 0 18px rgba(34,211,238,.85),0 0 48px rgba(34,211,238,.35)}50%{box-shadow:0 0 26px rgba(34,211,238,1),0 0 66px rgba(34,211,238,.5)}}.edulab-orbit{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(96,165,250,.32);transform-style:preserve-3d}.edulab-orbit i{position:absolute;top:-4px;left:50%;width:8px;height:8px;margin-left:-4px;border-radius:50%}.edulab-orbit.o1{animation:el-orbit1 4.2s linear infinite}.edulab-orbit.o1 i{background:var(--sc-physics);box-shadow:0 0 10px var(--sc-physics),0 0 22px rgba(96,165,250,.6)}.edulab-orbit.o2{animation:el-orbit2 6.4s linear infinite}.edulab-orbit.o2 i{background:var(--sc-chemistry);box-shadow:0 0 10px var(--sc-chemistry),0 0 22px rgba(192,132,252,.6)}.edulab-orbit.o3{animation:el-orbit3 8.8s linear infinite}.edulab-orbit.o3 i{background:var(--sc-math);box-shadow:0 0 10px var(--sc-math),0 0 22px rgba(251,191,36,.6)}@keyframes el-orbit1{0%{transform:rotateY(66deg) rotateX(8deg) rotate(0deg)}to{transform:rotateY(66deg) rotateX(8deg) rotate(1turn)}}@keyframes el-orbit2{0%{transform:rotateY(-66deg) rotateX(8deg) rotate(0deg)}to{transform:rotateY(-66deg) rotateX(8deg) rotate(1turn)}}@keyframes el-orbit3{0%{transform:rotateX(74deg) rotate(0deg)}to{transform:rotateX(74deg) rotate(1turn)}}.edulab-hero-eyebrow{font-family:var(--el-mono);font-size:13px;font-weight:700;letter-spacing:2.5px;color:rgba(125,211,252,.9);margin:0 0 12px;text-shadow:0 0 8px rgba(34,211,238,.4)}.edulab-title-row{display:inline-flex;align-items:center;justify-content:center;gap:8px}.edulab-title-row .edulab-atom{width:56px;height:56px;margin:0;flex-shrink:0}.edulab-title-row .edulab-nucleus{width:10px;height:10px;margin:-5px 0 0 -5px}.edulab-title-row .edulab-orbit i{width:5px;height:5px;margin-left:-2.5px;top:-2.5px}.edulab-hero h1{font-size:clamp(32px,6vw,48px);font-weight:900;letter-spacing:-.5px;margin:0 0 10px;color:#fff;text-shadow:0 0 20px rgba(34,211,238,.5),0 2px 8px rgba(0,0,0,.6)}.edulab-hero-desc{color:#cbd5e1;font-size:16px;font-weight:600;margin:0;text-shadow:0 1px 4px rgba(0,0,0,.5)}.edulab-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(24px,5vw,60px);margin-top:30px}.edulab-stat strong{display:block;font-family:var(--el-mono);font-size:30px;font-weight:600;color:#fff;text-shadow:0 0 22px rgba(34,211,238,.35);line-height:1.1}.edulab-stat span{display:block;margin-top:4px;font-size:13px;letter-spacing:.5px;color:var(--el-dim)}.edulab-dist{max-width:520px;margin:28px auto 0;display:grid;grid-gap:9px;gap:9px;padding:0 8px;text-align:left}.edulab-dist-row{display:grid;grid-template-columns:96px 1fr 36px;align-items:center;grid-gap:10px;gap:10px;font-size:13px;font-weight:600}.edulab-dist-label{color:#94a3b8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edulab-dist-track{height:6px;border-radius:3px;background:rgba(148,163,184,.12);overflow:hidden}.edulab-dist-fill{height:100%;border-radius:3px;background:var(--sc,var(--el-cyan));box-shadow:0 0 8px var(--sc,var(--el-cyan));transform-origin:left;animation:el-grow 1s cubic-bezier(.2,.7,.2,1) both}@keyframes el-grow{0%{transform:scaleX(0)}}.edulab-dist-count{font-family:var(--el-mono);font-size:13px;font-weight:700;color:#e2e8f0;text-align:right}.edulab-featured-wrap{max-width:1100px;margin:24px auto 4px;padding:0 20px}.edulab-featured{display:block;position:relative;border-radius:18px;overflow:hidden;padding:1.5px;text-decoration:none;color:inherit}.edulab-featured:before{content:"";position:absolute;top:50%;left:50%;width:160%;aspect-ratio:1;background:conic-gradient(from 0deg,transparent 0deg 300deg,rgba(34,211,238,.9) 330deg,transparent 1turn);animation:el-borderspin 5s linear infinite}@keyframes el-borderspin{0%{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}.edulab-featured-inner{position:relative;display:flex;align-items:center;gap:22px;padding:16px;border-radius:16.5px;background:linear-gradient(180deg,#0d1c33 0,var(--el-panel-2) 100%);border:1px solid rgba(34,211,238,.12)}.edulab-featured-thumb{flex-shrink:0;width:230px;border-radius:12px;overflow:hidden;border:1px solid var(--el-line)}.edulab-featured-thumb img{width:100%;aspect-ratio:600/394;object-fit:cover;display:block;transition:transform .4s ease}.edulab-featured:hover .edulab-featured-thumb img{transform:scale(1.05)}.edulab-featured-body{min-width:0}.edulab-featured-tag{font-family:var(--el-mono);font-size:13px;font-weight:700;letter-spacing:1px;color:var(--el-cyan);margin-bottom:8px}.edulab-featured-body h2{font-size:clamp(18px,3vw,24px);font-weight:800;margin:0 0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edulab-featured-body p{font-size:14px;font-weight:500;color:#94a3b8;margin:0 0 14px}.edulab-featured-cta{display:inline-block;font-size:13px;font-weight:700;padding:9px 20px;border-radius:10px;color:#06121f;background:linear-gradient(120deg,#22d3ee,#34d399);box-shadow:0 4px 16px rgba(34,211,238,.3);transition:transform .15s,box-shadow .2s}.edulab-featured:hover .edulab-featured-cta{transform:translateY(-1px);box-shadow:0 6px 22px rgba(34,211,238,.45)}.edulab-cats{display:flex;flex-wrap:wrap;gap:8px;padding:18px 20px 4px;max-width:1100px;margin:0 auto;justify-content:center}.edulab-cat-btn{--sc:var(--el-blue);padding:8px 18px;border-radius:20px;border:1px solid color-mix(in srgb,var(--sc) 22%,transparent);background:color-mix(in srgb,var(--sc) 6%,transparent);color:#94a3b8;font-family:var(--el-sans);font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;white-space:nowrap}.edulab-cat-btn:hover{background:color-mix(in srgb,var(--sc) 14%,transparent);color:#dbeafe;border-color:color-mix(in srgb,var(--sc) 45%,transparent)}.edulab-cat-btn.active{background:var(--sc);color:#06121f;border-color:transparent;box-shadow:0 2px 14px color-mix(in srgb,var(--sc) 45%,transparent)}.edulab-cat-btn.cat-physics{--sc:var(--sc-physics)}.edulab-cat-btn.cat-chemistry{--sc:var(--sc-chemistry)}.edulab-cat-btn.cat-math{--sc:var(--sc-math)}.edulab-cat-btn.cat-biology{--sc:var(--sc-biology)}.edulab-cat-btn.cat-earth{--sc:var(--sc-earth)}.edulab-search{position:relative;max-width:420px;margin:10px auto 14px;padding:0 20px}.edulab-search input{width:100%;padding:11px 16px 11px 40px;border-radius:10px;border:1px solid rgba(59,130,246,.2);background:rgba(59,130,246,.05);color:var(--el-text);font-family:var(--el-sans);font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}.edulab-search input::placeholder{color:#52708f}.edulab-search input:focus{border-color:rgba(34,211,238,.6);box-shadow:0 0 14px rgba(34,211,238,.18)}.edulab-search-icon{position:absolute;left:34px;top:50%;transform:translateY(-50%);font-size:13px;opacity:.55;pointer-events:none}.edulab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px;padding:8px 20px 40px;max-width:1100px;margin:0 auto}.edulab-card{--sc:var(--el-cyan);position:relative;display:block;border-radius:14px;overflow:hidden;background:var(--el-panel);border:1px solid var(--el-line);text-decoration:none;color:inherit;cursor:pointer;transform:perspective(800px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(var(--ty,0));transition:transform .18s ease-out,border-color .25s,box-shadow .25s;animation:el-cardin .5s cubic-bezier(.2,.7,.25,1) both}@keyframes el-cardin{0%{opacity:0;translate:0 20px}to{opacity:1;translate:0 0}}.edulab-card:hover{--ty:-5px;border-color:color-mix(in srgb,var(--sc) 55%,transparent);box-shadow:0 14px 34px rgba(0,0,0,.5),0 0 0 1px color-mix(in srgb,var(--sc) 25%,transparent),0 0 24px color-mix(in srgb,var(--sc) 18%,transparent)}.edulab-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;background:linear-gradient(90deg,var(--sc),transparent 85%);opacity:.9}.edulab-card-screen{position:relative;background:#0a1525}.edulab-card-thumb{width:100%;aspect-ratio:600/394;object-fit:cover;display:block;background:#0a1525}.edulab-card-screen:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.13),transparent 55%);opacity:0;transition:opacity .25s}.edulab-card:hover .edulab-card-screen:after{opacity:1}.edulab-card-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:48px;height:48px;border-radius:50%;background:var(--sc);display:flex;align-items:center;justify-content:center;opacity:0;transition:all .25s;pointer-events:none;font-size:18px;color:#06121f;box-shadow:0 0 22px color-mix(in srgb,var(--sc) 60%,transparent)}.edulab-card:hover .edulab-card-play{opacity:1;transform:translate(-50%,-50%) scale(1)}.edulab-card-info{padding:10px 14px 14px}.edulab-card-title{font-size:14px;font-weight:700;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--el-text)}.edulab-card-sub{font-family:var(--el-mono);font-size:13px;color:var(--sc);font-weight:700}.edulab-card-badge{display:inline-block;font-size:13px;font-weight:600;padding:2px 8px;border-radius:8px;background:rgba(16,185,129,.12);color:#6ee7b7;border:1px solid rgba(16,185,129,.2);margin-left:6px}.edulab-loading{display:flex;justify-content:center;padding:90px 20px}.edulab-spinner{position:relative;width:54px;height:54px;background:radial-gradient(circle,var(--el-cyan) 3px,transparent 4px)}.edulab-spinner:after,.edulab-spinner:before{content:"";position:absolute;border-radius:50%;border:2px solid transparent}.edulab-spinner:before{inset:0;border-top-color:var(--el-cyan);border-right-color:rgba(34,211,238,.25);animation:el-spin .9s linear infinite}.edulab-spinner:after{inset:9px;border-top-color:var(--sc-chemistry);animation:el-spin 1.4s linear infinite reverse}@keyframes el-spin{to{transform:rotate(1turn)}}.edulab-empty{text-align:center;padding:80px 20px}.edulab-empty-title{font-family:var(--el-mono);font-size:15px;letter-spacing:3px;color:rgba(122,153,184,.85);margin:0 0 10px}.edulab-empty p{color:var(--el-dim);font-size:15px;margin:0}@media (max-width:720px){.edulab-featured-inner{flex-direction:column;align-items:stretch}.edulab-featured-thumb{width:100%}.edulab-featured-body h2{white-space:normal}}@media (max-width:480px){.edulab-hero{padding:36px 14px 30px}.edulab-atom{width:100px;height:100px}.edulab-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.edulab-dist-row{grid-template-columns:80px 1fr 32px}.edulab-formula:nth-child(n+6){display:none}.edulab-card-title{font-size:13px}.edulab-card-desc{font-size:12px}.edulab-featured-body h2{font-size:16px}.edulab-featured-body p{font-size:13px}}@media (max-width:375px){.edulab-hero{padding:30px 12px 26px}.edulab-atom{width:90px;height:90px}.edulab-grid{grid-template-columns:repeat(2,1fr);gap:10px;padding:12px 12px 32px}.edulab-card-title{font-size:12.5px}.edulab-dist-row{grid-template-columns:70px 1fr 28px;font-size:12px}.edulab-featured-body h2{font-size:15px}}@media (prefers-reduced-motion:reduce){.edulab-root *,.edulab-root :after,.edulab-root :before{animation:none!important;transition:none!important}.edulab-card{transform:none!important}}