@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}}:root{--ink:#423a63;--muted:#7d7896;--paper:#fffaf2;--purple:#7465e8;--pink:#f48aaf;--yellow:#ffd75e;--mint:#4fd0bf;--line:#ebe4f2;--shadow:0 8px 0 #e9e1f1, 0 18px 36px #685a8520}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}button,textarea,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #ffd75e}.site-shell{background:radial-gradient(circle at 8% 16%,#ffe6ef 0 6%,#0000 6.2%),radial-gradient(circle at 91% 10%,#dcf7ff 0 7%,#0000 7.2%),linear-gradient(#fffaf2,#faf9ff 55%,#fffaf2);min-height:100vh}.top-nav{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:40;background:#ffffffdc;border-bottom:2px solid #f0e8f5;justify-content:space-between;align-items:center;gap:30px;height:82px;padding:0 clamp(22px,5vw,74px);display:flex;position:sticky;top:0}.logo{cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:11px;display:flex}.logo-egg{color:#fff;background:linear-gradient(145deg,#ffe26b,#ff9dbb);border:3px solid #fff;border-radius:50% 50% 46% 46%;place-items:center;width:48px;height:48px;font-weight:900;display:grid;box-shadow:0 4px #d9779e}.logo>span:last-child{gap:2px;display:grid}.logo b{font-size:15px}.logo small{color:var(--muted);letter-spacing:.08em;font-size:10px}.top-nav nav{background:#f5f1fb;border-radius:999px;gap:8px;padding:5px;display:flex}.top-nav nav button{cursor:pointer;color:#88819c;background:0 0;border:0;border-radius:999px;padding:9px 17px;font-size:13px;font-weight:800}.top-nav nav button.active{color:var(--purple);background:#fff;box-shadow:0 3px 10px #7763a21a}.top-stats{gap:8px;display:flex}.top-stats span{border:2px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800}.hero{color:#fff;background:linear-gradient(135deg,#7063df 0%,#9278ef 48%,#f08db6 100%);border:5px solid #fff;border-radius:40px;grid-template-columns:1.08fr .92fr;max-width:1180px;min-height:430px;margin:36px auto 0;display:grid;position:relative;overflow:hidden;box-shadow:0 10px #d8cff7,0 30px 65px #6754ad35}.hero:before{content:"";border:3px dashed #ffffff45;border-radius:50%;width:460px;height:460px;position:absolute;top:-220px;right:-120px}.hero-copy{z-index:2;padding:58px 0 52px 64px;position:relative}.hero-tag,.soft-tag{letter-spacing:.08em;background:#ffffff26;border:2px solid #fff5;border-radius:999px;padding:8px 14px;font-size:11px;font-weight:900;display:inline-flex}.hero h1{letter-spacing:-.06em;margin:22px 0 18px;font-size:clamp(38px,5vw,61px);line-height:1.14}.hero h1 em{color:#ffe46f;text-shadow:0 4px #7051b9;font-style:normal}.hero-copy>p{color:#fffdfd;max-width:510px;margin-bottom:29px;font-size:15px;line-height:1.9}.cta{cursor:pointer;background:linear-gradient(#ffe571,#ffc84b);border:3px solid #fff0a0;border-radius:999px;padding:13px 22px;font-weight:900;transition:all .2s;box-shadow:0 6px #df9634,0 14px 24px #4f39842f}.cta:hover:not(:disabled){transform:translateY(-2px)}.cta:disabled{opacity:.5;cursor:not-allowed}.cta span{margin-left:28px}.cta.full{width:100%}.hero-scene{place-items:center;display:grid;position:relative}.track-ring{border:5px dashed #ffffff61;border-radius:50%;width:360px;height:210px;position:absolute;transform:rotate(-12deg)}.egg-friend{z-index:2;background:linear-gradient(145deg,#fff5a6,#ffc84e 65%,#f2a940);border:8px solid #fff8ca;border-radius:49% 49% 44% 44%;width:178px;height:207px;animation:2.8s ease-in-out infinite bob;position:relative;box-shadow:inset -16px -18px #eea33b,0 10px #c9777f,0 28px 46px #4d3f9366}.egg-friend:before,.egg-friend:after{content:"";z-index:-1;background:#ffca4e;border:6px solid #fff8ca;border-radius:999px;width:65px;height:26px;position:absolute;top:108px}.egg-friend:before{left:-51px;transform:rotate(27deg)}.egg-friend:after{right:-51px;transform:rotate(-27deg)}.cap{color:#fff;clip-path:polygon(50% 0,100% 100%,0 100%);filter:drop-shadow(0 5px #289995);background:#50d1c2;place-items:center;width:62px;height:58px;font-size:22px;display:grid;position:absolute;top:-51px;left:54px}.eye{background:#4b3b65;border-radius:50%;width:15px;height:21px;position:absolute;top:62px;box-shadow:inset 4px 4px #fff}.eye.left{left:49px}.eye.right{right:49px}.mouth{border:5px solid #583f65;border-top:0;border-radius:0 0 30px 30px;width:34px;height:18px;position:absolute;top:91px;left:64px}.egg-friend b{color:#fff;background:#ef7fa9;border:4px solid #fff;border-radius:50%;place-items:center;width:48px;height:48px;font-size:18px;display:grid;position:absolute;bottom:27px;left:57px}.cloud{opacity:.72;background:#fff;border-radius:99px;width:92px;height:28px;position:absolute}.c1{bottom:44px;left:12px}.c2{top:54px;right:12px;transform:scale(.65)}.float-note{color:#7465e8;background:#ffffffdb;border-radius:50%;place-items:center;width:46px;height:46px;font-weight:900;display:grid;position:absolute;box-shadow:0 5px #cec7f3}.n1{top:22%;left:16%}.n2{color:#ef779f;bottom:24%;right:12%}.n3{color:#fff;background:#55d5c7;top:13%;right:12%}.dashboard-row{grid-template-columns:1.1fr 1fr 1fr;gap:16px;max-width:1100px;margin:34px auto 0;display:grid}.dashboard-row article{border:2px solid var(--line);background:#fff;border-radius:22px;align-items:center;gap:12px;min-height:88px;padding:16px 18px;display:flex;box-shadow:0 5px #eee8f3}.dashboard-row article:first-child{grid-template-columns:auto 1fr 100px;display:grid}.dash-icon{color:#fff;border-radius:14px;place-items:center;width:42px;height:42px;font-size:19px;font-weight:900;display:grid}.purple{background:#7b6cf0}.yellow{background:#f7bd48}.pink{background:#f38db1}.dashboard-row article div:not(.mini-bar){gap:3px;display:grid}.dashboard-row small{color:var(--muted);font-size:10px}.dashboard-row b{font-size:14px}.mini-bar{background:#eeeaf3;border-radius:99px;height:7px;overflow:hidden}.mini-bar i{border-radius:inherit;background:linear-gradient(90deg,var(--purple),var(--pink));height:100%;display:block}.map-section{max-width:1100px;margin:65px auto 90px}.section-head{justify-content:space-between;align-items:end;margin-bottom:24px;display:flex}.section-head span,.page-intro>span{color:#ef709c;letter-spacing:.18em;font-size:10px;font-weight:900}.section-head h2{margin:7px 0;font-size:29px}.section-head p{color:var(--muted);margin:0;font-size:13px}.legend{color:var(--muted);align-items:center;gap:6px;font-size:10px;display:flex}.legend i{border-radius:50%;width:10px;height:10px;margin-left:8px;display:inline-block}.done-dot{background:#55cdbb}.now-dot{background:#f18bae}.lock-dot{background:#dcd6e3}.chapter-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.chapter-card{--chapter:#7465e8;text-align:left;border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:25px;grid-template-columns:auto auto 1fr auto;align-items:center;gap:14px;min-height:112px;padding:18px 20px;transition:all .2s;display:grid;box-shadow:0 6px #ebe5f0}.chapter-card:hover:not(:disabled){border-color:var(--chapter);transform:translateY(-3px)}.chapter-card.now{border-color:var(--chapter);box-shadow:0 7px 0 var(--chapter),0 16px 28px #77679220}@supports (color:color-mix(in lab, red, red)){.chapter-card.now{box-shadow:0 7px 0 color-mix(in srgb,var(--chapter) 42%,white),0 16px 28px #77679220}}.chapter-card.locked{opacity:.58;cursor:not-allowed}.chapter-no{color:#aaa4b7;font-size:11px;font-weight:900}.chapter-orb{background:var(--chapter);color:#fff;width:56px;height:56px;box-shadow:0 4px 0 var(--chapter);border:4px solid #fff;border-radius:50%;place-items:center;font-size:23px;font-weight:900;display:grid}@supports (color:color-mix(in lab, red, red)){.chapter-orb{box-shadow:0 4px 0 color-mix(in srgb,var(--chapter) 70%,#59456a)}}.locked .chapter-orb{background:#ded9e5;box-shadow:0 4px #c8c2cf}.chapter-copy{gap:5px;display:grid}.chapter-copy b{font-size:15px}.chapter-copy small{color:var(--muted);font-size:11px}.chapter-meta{color:var(--chapter);background:var(--chapter);font-size:10px;font-weight:900}@supports (color:color-mix(in lab, red, red)){.chapter-meta{background:color-mix(in srgb,var(--chapter) 10%,white)}}.chapter-meta{border-radius:99px;padding:6px 9px}.inner-page{max-width:1100px;margin:55px auto 100px}.page-intro{background:linear-gradient(135deg,#eeeaff,#ffeaf2);border:3px solid #fff;border-radius:32px;margin-bottom:28px;padding:36px 42px;box-shadow:0 7px #e5dcf2}.page-intro h1{margin:10px 0;font-size:38px}.page-intro p{color:var(--muted);margin:0}.review-layout,.workshop-grid{grid-template-columns:1.5fr .8fr;gap:20px;display:grid}.review-main,.review-plan,.problem-card,.submit-card{border:2px solid var(--line);background:#fff;border-radius:28px;padding:30px;box-shadow:0 7px #ebe5f0}.review-count{float:right;color:#7063df;font-size:25px;font-weight:900}.review-count small{color:#aaa3b6;font-size:12px}.soft-tag{color:#7063df;background:#f0edff;border-color:#dcd5ff}.soft-tag.coral{color:#e9705e;background:#fff0ea;border-color:#ffd4c7}.review-main h2,.problem-card h2{font-size:25px;line-height:1.5}.review-main>p,.problem-card>p{color:var(--muted);line-height:1.8}.outline-button{color:#6759d5;cursor:pointer;background:#f5f2ff;border:2px solid #8173e9;border-radius:999px;padding:12px 20px;font-weight:900}.review-plan h3{margin-top:0}.review-plan>div{gap:12px;margin:20px 0;display:flex}.review-plan>div>span{color:#6f61df;background:#f0edff;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:900;display:grid}.review-plan p{gap:4px;margin:0;display:grid}.review-plan small{color:var(--muted)}.workshop-grid{grid-template-columns:1fr 1fr}.phase-sketch{background:linear-gradient(#f7fbff,#fff);border-bottom:3px solid #615b70;border-left:3px solid #615b70;height:250px;margin:25px 0;position:relative;overflow:hidden}.axis{color:#5f5972;font-weight:900;position:absolute}.axis.y{top:6px;left:8px}.axis.x{bottom:5px;right:8px}.liquidus{background:#e77c93;width:53%;height:3px;position:absolute;top:75px}.left-line{transform-origin:0;left:0;transform:rotate(22deg)}.right-line{transform-origin:100%;right:0;transform:rotate(-22deg)}.eutectic-line{background:#796be4;height:3px;position:absolute;top:144px;left:0;right:0}.phase-sketch span{color:#796f89;font-weight:900;position:absolute}.liquid-label{top:26px;left:48%}.alpha-label{top:96px;left:18%}.beta-label{top:96px;right:17%}.bottom-label{bottom:35px;left:47%}.problem-card details{color:var(--muted);background:#faf7ff;border-radius:16px;padding:13px 16px}.problem-card summary{color:#6c60d8;cursor:pointer;font-weight:900}.strictness{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.strictness>span{font-size:12px;font-weight:900}.strictness>div{background:#f3eff8;border-radius:99px;padding:4px;display:flex}.strictness button{cursor:pointer;background:0 0;border:0;border-radius:99px;padding:6px 10px;font-size:10px}.strictness button.active{color:#6c5ddd;background:#fff;font-weight:900;box-shadow:0 2px 8px #6c5ddd22}.upload-box{cursor:pointer;background:#fcfaff;border:2px dashed #c9bfdf;border-radius:20px;align-content:center;place-items:center;gap:5px;height:130px;display:grid}.upload-box input{display:none}.upload-box>span{color:#796be4;font-size:28px}.upload-box small{color:var(--muted)}.essay-label{gap:8px;margin:20px 0;font-size:12px;font-weight:900;display:grid}.essay-label textarea{resize:vertical;border:2px solid var(--line);min-height:160px;color:var(--ink);border-radius:17px;padding:14px;line-height:1.7}.workshop-feedback{background:#effaf6;border:2px solid #cceee3;border-radius:16px;margin-top:22px;padding:17px}.workshop-feedback p{margin:7px 0;font-size:12px;line-height:1.6}footer{color:#9a93a7;background:#fffdf8;border-top:2px solid #eee6f2;justify-content:space-between;padding:25px clamp(22px,5vw,74px);font-size:10px;display:flex}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#493d84b8;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.lesson-modal{background:#fffdfb;border:5px solid #fff;border-radius:34px;width:min(720px,100%);max-height:94vh;padding:28px 42px 38px;position:relative;overflow-y:auto;box-shadow:0 10px #c3b8ef,0 35px 100px #33276388}.modal-close{cursor:pointer;background:#f0edf3;border:0;border-radius:50%;width:38px;height:38px;font-size:23px;position:absolute;top:17px;right:20px}.lesson-progress{color:var(--muted);grid-template-columns:auto 1fr auto;align-items:center;gap:15px;padding-right:42px;font-size:10px;font-weight:900;display:grid}.lesson-progress>div{grid-template-columns:repeat(4,1fr);gap:5px;display:grid}.lesson-progress i{background:#ebe6ef;border-radius:99px;height:7px}.lesson-progress i.active{background:linear-gradient(90deg,#7465e8,#ed86ac)}.lesson-progress b{color:#e5769e}.lesson-screen{padding-top:31px}.lesson-kind{color:#e8749e;letter-spacing:.16em;font-size:10px;font-weight:900}.lesson-screen h2{margin:9px 0 14px;font-size:30px;line-height:1.35}.lesson-screen .lead{color:#69647d;font-size:15px;line-height:1.95}.concept-box{background:#f7f4ff;border:2px solid #e6e0f7;border-radius:20px;margin:22px 0;padding:18px 20px}.concept-box>b{font-size:12px}.concept-box p{align-items:center;gap:11px;margin:14px 0;font-size:13px;display:flex}.concept-box p span{color:#fff;background:#786ae8;border-radius:50%;flex:0 0 27px;place-items:center;height:27px;font-size:11px;font-weight:900;display:grid}.memory-tip{background:#fff7d8;border:2px solid #f9e59a;border-radius:17px;gap:12px;padding:14px 17px;display:flex}.memory-tip>span{font-size:24px}.memory-tip p{gap:3px;margin:0;font-size:12px;line-height:1.6;display:grid}.modal-cta{margin:26px 0 0 auto;display:block}.practice-hint{color:var(--muted);font-size:13px}.choice-list{gap:11px;margin:25px 0;display:grid}.choice-list button{border:2px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:18px;padding:14px 16px;box-shadow:0 4px #eee9f2}.choice-list button span{background:#f0edf4;border-radius:10px;place-items:center;width:31px;height:31px;margin-right:12px;font-weight:900;display:inline-grid}.choice-list button.selected{background:#f4f1ff;border-color:#7c6de9}.choice-list button.right{background:#ecfaf6;border-color:#43bda6}.choice-list button.wrong{background:#fff2f3;border-color:#ec8792}.answer-feedback{border-radius:17px;padding:15px 18px;font-size:12px}.answer-feedback p{margin:5px 0 0;line-height:1.7}.answer-feedback.good{color:#277c6d;background:#eaf9f4}.answer-feedback.try{color:#93642a;background:#fff2df}.fill-answer{gap:8px;margin-top:28px;font-size:12px;font-weight:900;display:grid}.fill-answer input{border:2px solid var(--line);height:58px;color:var(--ink);border-radius:17px;padding:0 16px;font-size:18px}.hint-button{color:#796be2;cursor:pointer;background:0 0;border:0;margin-top:10px;font-size:11px;font-weight:900}.finish-screen{text-align:center}.reward-egg{background:linear-gradient(145deg,#ffe572,#ffb74c);border:7px solid #fff3b5;border-radius:50% 50% 45% 45%;place-items:center;width:116px;height:132px;margin:8px auto 19px;display:grid;box-shadow:0 8px #da8a49}.reward-egg span{color:#fff;background:#55cbb8;border:4px solid #fff;border-radius:50%;place-items:center;width:55px;height:55px;font-size:28px;font-weight:900;display:grid}.finish-screen>p{color:var(--muted);line-height:1.8}.reward-row{flex-wrap:wrap;justify-content:center;gap:8px;margin:22px 0;display:flex}.reward-row span{background:#f5f1fb;border-radius:99px;padding:9px 12px;font-size:11px;font-weight:900}.formula-section{margin-top:38px}.subsection-head{justify-content:space-between;align-items:end;margin-bottom:16px;display:flex}.subsection-head span,.archive-card>div>span{color:#ef709c;letter-spacing:.16em;font-size:10px;font-weight:900}.subsection-head h2,.archive-card h2{margin:6px 0 0;font-size:25px}.subsection-head>small{color:var(--muted)}.formula-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.formula-grid article{border:2px solid var(--line);background:#fff;border-radius:22px;align-content:start;gap:8px;min-height:158px;padding:18px;display:grid;box-shadow:0 5px #ebe5f0}.formula-grid article>span{color:#ef7aa3;font-size:10px;font-weight:900}.formula-grid article>b{font-size:13px}.formula-grid article>strong{color:#6458cb;background:#f6f3ff;border-radius:12px;padding:10px;font-family:Georgia,serif;font-size:16px}.formula-grid article>small{color:var(--muted);line-height:1.5}.archive-card{background:linear-gradient(135deg,#fff4d7,#ffeaf2);border:3px solid #fff;border-radius:28px;grid-template-columns:1fr 1.2fr;align-items:center;gap:28px;margin-top:38px;padding:28px 30px;display:grid;box-shadow:0 7px #eadfe9}.archive-card p{color:var(--muted);font-size:12px;line-height:1.7}.archive-actions{gap:9px;display:grid}.archive-actions textarea{resize:vertical;min-height:72px;color:var(--ink);border:2px solid #e5d8e7;border-radius:14px;padding:10px;font-size:10px}.archive-actions>div{justify-content:flex-end;gap:9px;display:flex}.archive-actions .cta{padding:10px 18px}.archive-actions>small{color:#7569d9;font-weight:900}.lever-lab{background:#f6f3ff;border:2px solid #e3dcf7;border-radius:18px;margin:20px 0;padding:17px}.lab-head{justify-content:space-between;gap:10px;margin-bottom:12px;font-size:11px;display:flex}.lab-head span{color:#6d60d5;font-weight:900}.lever-lab label{grid-template-columns:72px 1fr;align-items:center;margin:8px 0;font-size:10px;display:grid}.lever-lab input{accent-color:#796be4}.lever-track{background:linear-gradient(90deg,#50cdbb,#ffe15f,#f28aaf);border-radius:99px;height:13px;margin:18px 4px 10px;position:relative}.lever-track i{background:#4a435b;border-radius:4px;width:4px;height:23px;position:absolute;top:-5px}.lever-track i.alloy{background:#4a435b;border:3px solid #fff;border-radius:50%;width:13px;height:13px;top:0;transform:translate(-5px);box-shadow:0 2px 5px #40366155}.lever-lab>p{text-align:center;color:#675bd0;margin:0;font-size:11px;font-weight:900}:root{--paper:#dff4ff;--ink:#4b3b73;--purple:#7652e8;--pink:#ff78ab;--yellow:#ffdc4f;--mint:#4ed8c0;--line:#d9d5f1}body{background:#dff4ff}.site-shell{background:radial-gradient(circle at 9% 12%,#fff 0 4.5%,#0000 4.8%),radial-gradient(circle at 92% 15%,#fffc 0 5.5%,#0000 5.8%),linear-gradient(#78d6ff 0,#c9f1ff 25%,#effaff 68%,#fff8e9 100%)}.top-nav{background:#ffffffed;border-bottom:4px solid #b7e9ff;box-shadow:0 5px #65c5ec33}.logo-egg{background:linear-gradient(145deg,#ffe970,#ffb834);width:52px;height:52px;box-shadow:inset -6px -7px #f4a62b,0 5px #c8688e,0 9px 15px #614d9a2c}.top-nav nav{background:#e8f6ff;border:2px solid #c7eaff}.top-nav nav button.active{color:#6848dc;box-shadow:0 4px #cec3f3}.top-stats span{border-color:#d7cef4;box-shadow:0 3px #ded6ef}.hero{background:radial-gradient(circle at 8% 12%,#ffffff5c 0 3%,#0000 3.3%),linear-gradient(#41b9f5 0%,#77d8ff 57%,#b7edff 100%);border:7px solid #fff;min-height:470px;box-shadow:0 11px #6c5bd7,0 19px #b9aaf4,0 38px 65px #3d74a94a}.hero:after{content:"";background:linear-gradient(#7ce27b 0 31%,#69c760 32% 46%,#d8a45d 47% 100%);border:7px solid #fff;border-radius:50%;width:62%;height:124px;position:absolute;bottom:-55px;right:-3%;box-shadow:inset 0 12px #a4f18f,0 10px #9971dd}.hero:before{border:5px dashed #ffffff73;width:530px;height:530px}.hero-tag{background:#7652e8;border-color:#b9aaff;font-size:12px;box-shadow:0 5px #5237ac}.hero h1{text-shadow:0 5px #3869bd,0 8px #5e45b1;font-weight:950}.hero h1 em{color:#fff56f;text-shadow:0 5px #ef8c3b,0 8px #7149b2}.hero-copy>p{text-shadow:0 2px #3880bc;font-weight:800}.cta{border-width:4px;box-shadow:inset 0 3px #fff59a,0 7px #dc852e,0 13px #7e4b9d,0 18px 28px #49418138}.hero-scene{z-index:2}.track-ring{border:9px solid #ff7eac;border-color:#ff7eac #ff7eac #7a5deb #ffe45e;width:390px;height:225px;box-shadow:0 6px #ffffff80}.egg-friend{width:188px;height:216px;box-shadow:inset -18px -19px #efa132,0 10px #b94c83,0 18px #7652d3,0 30px 48px #3d43916b}.party-gate{z-index:1;border:11px solid #ff719e;border-bottom:0;border-radius:35px 35px 0 0;width:122px;height:80px;position:absolute;top:7%;right:7%;transform:rotate(5deg);box-shadow:inset 0 7px #ffb2cc,0 6px #9e4eaf}.party-gate:before{content:"";background:#7657df;border-radius:99px;height:24px;position:absolute;top:13px;left:18px;right:18px;box-shadow:inset 0 4px #aa96ff}.party-gate span{text-align:center;color:#fff;z-index:2;font-size:11px;font-weight:950;position:absolute;top:17px;left:0;right:0}.party-gate i{background:#ffe061;border:5px solid #fff;border-radius:50%;width:27px;height:27px;position:absolute;bottom:-15px}.party-gate i:first-child{left:-19px}.party-gate i:last-of-type{right:-19px}.jelly-block{color:#fff;z-index:4;border:5px solid #fff;border-radius:17px;place-items:center;width:53px;height:53px;font-weight:950;display:grid;position:absolute;box-shadow:inset -6px -7px #5c42c4,0 7px #46369e}.jb1{background:#7d60ec;bottom:13%;right:4%;transform:rotate(9deg)}.jb2{background:#ff7ba9;top:18%;left:3%;transform:rotate(-10deg);box-shadow:inset -6px -7px #d95f8b,0 7px #a64d85}.bumper{z-index:3;background:#ff668d;border:7px solid #fff;border-radius:99px;width:103px;height:28px;position:absolute;bottom:9%;left:7%;transform:rotate(-16deg);box-shadow:0 6px #9b4db0}.bumper i{background:#ffe45f;border:5px solid #fff;border-radius:50%;width:38px;height:38px;position:absolute;top:-12px;left:27px}.cloud{box-shadow:0 6px #8fdbf5}.dashboard-row article{border:4px solid #fff;border-radius:26px;box-shadow:0 7px #8dcce8,0 13px 22px #467b9f25}.dash-icon{border:3px solid #fff;border-radius:50%;box-shadow:0 4px #7250b5}.map-section{background:linear-gradient(#e7f9ff,#d2f3ff);border:7px solid #fff;border-radius:46px;padding:38px;position:relative;box-shadow:0 10px #78caeb,0 18px #ac94ef,0 30px 50px #4380a72c}.map-section:before,.map-section:after{content:"";opacity:.8;background:#fff;border-radius:99px;width:130px;height:42px;position:absolute;box-shadow:0 5px #a9e2f3}.map-section:before{top:118px;left:-45px}.map-section:after{bottom:105px;right:-38px}.section-head{z-index:2;position:relative}.section-head h2{color:#5a3fc9;text-shadow:0 3px #fff;font-size:34px}.chapter-grid{z-index:2;gap:20px;position:relative}.chapter-card{box-shadow:inset 0 -5px 0 #eee8f8,0 8px 0 var(--chapter),0 16px 24px #366d912c;background:linear-gradient(#fff 0%,#f8f5ff 100%);border:5px solid #fff;border-radius:31px}@supports (color:color-mix(in lab, red, red)){.chapter-card{box-shadow:inset 0 -5px 0 #eee8f8,0 8px 0 color-mix(in srgb,var(--chapter) 52%,#6d5aa1),0 16px 24px #366d912c}}.chapter-card:nth-child(4n+2),.chapter-card:nth-child(4n+3){transform:translateY(12px)}.chapter-card:hover:not(:disabled){transform:translateY(-3px)rotate(-.6deg)}.chapter-card:nth-child(4n+2):hover:not(:disabled),.chapter-card:nth-child(4n+3):hover:not(:disabled){transform:translateY(8px)rotate(.6deg)}.chapter-orb{width:62px;height:62px;box-shadow:inset -7px -8px 0 #00000018,0 7px 0 var(--chapter);border-width:6px}@supports (color:color-mix(in lab, red, red)){.chapter-orb{box-shadow:inset -7px -8px 0 #00000018,0 7px 0 color-mix(in srgb,var(--chapter) 70%,#4d3974)}}.chapter-card.now{border-color:#fff56d;animation:1.8s ease-in-out infinite island-pulse}.chapter-meta{border:2px solid var(--chapter)}@supports (color:color-mix(in lab, red, red)){.chapter-meta{border:2px solid color-mix(in srgb,var(--chapter) 25%,white)}}.chapter-meta{font-weight:950}.page-intro{border:6px solid #fff;box-shadow:0 9px #8fcfea,0 16px #c6b4ef}.review-main,.review-plan,.problem-card,.submit-card,.formula-grid article{border:4px solid #fff;box-shadow:0 7px #9cd4eb,0 13px #c2b4ed}.lesson-modal{border:7px solid #fff;box-shadow:0 11px #6f58d2,0 20px #ed7ba8,0 38px 100px #33276388}.reward-egg{box-shadow:inset -10px -12px #f0a134,0 8px #c45989,0 15px #7451cc}.chapter-copy em{color:#8d86a3;font-size:9px;font-style:normal;line-height:1.45}.subtopic-row{flex-wrap:wrap;gap:8px;margin:17px 0;display:flex}.subtopic-row span,.tag-cloud span{color:#685bd2;background:#f7f4ff;border:2px solid #ded8f5;border-radius:999px;padding:7px 10px;font-size:10px;font-weight:900}.question-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin:13px 0 5px;font-size:10px;display:flex}.question-meta b{color:#9c681e;background:#fff1d2;border-radius:999px;padding:6px 9px}.fill-answer textarea{resize:vertical;border:2px solid var(--line);min-height:108px;color:var(--ink);border-radius:17px;padding:14px 16px;font-size:15px;line-height:1.7}.hint-panel{color:#80652c;background:#fff8dd;border:2px solid #f4dda0;border-radius:15px;margin-top:12px;padding:13px 15px;font-size:11px;line-height:1.65}.keyword-list{flex-wrap:wrap;gap:7px;margin-top:10px;display:flex}.keyword-list span{color:#6e60dc;background:#eeeaff;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:900}.tag-cloud{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}.tag-cloud button{cursor:pointer;background:0 0;border:0;padding:0}.tag-cloud button.active span{color:#fff;background:#7465e8;border-color:#7465e8}.task-picker{grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:20px;display:grid}.task-picker button{border:2px solid var(--line);min-height:55px;color:var(--muted);cursor:pointer;background:#fff;border-radius:15px;padding:8px;font-size:10px;font-weight:900}.task-picker button.active{color:#6355ce;background:#f0edff;border-color:#7667e5;box-shadow:0 4px #cfc6f1}.answer-framework{background:#f8f5ff;border:2px solid #e3dcf7;border-radius:18px;margin:18px 0;padding:17px 19px}.answer-framework b{font-size:12px}.answer-framework ol{color:var(--muted);margin:10px 0 0;padding-left:20px;font-size:11px;line-height:1.8}.rubric-box{background:#f2fbf8;border:2px solid #dcefe9;border-radius:17px;gap:9px;margin:18px 0;padding:16px;display:grid}.rubric-box>b{font-size:12px}.rubric-box label{align-items:flex-start;gap:8px;font-size:11px;line-height:1.55;display:flex}.rubric-box input{accent-color:#42bca5;margin-top:3px}.self-score{justify-content:space-between;align-items:center;gap:12px;margin:15px 0;font-size:12px;font-weight:900;display:flex}.self-score input{border:2px solid var(--line);width:90px;height:44px;color:var(--ink);border-radius:13px;padding:0 10px}.upload-box img{object-fit:contain;border-radius:17px;width:100%;height:100%}@keyframes island-pulse{0%,to{box-shadow:inset 0 -5px 0 #eee8f8,0 8px 0 color-mix(in srgb,var(--chapter) 52%,#6d5aa1),0 0 0 0 #fff56d66}50%{box-shadow:inset 0 -5px 0 #eee8f8,0 8px 0 color-mix(in srgb,var(--chapter) 52%,#6d5aa1),0 0 0 10px #fff56d00}}@keyframes bob{0%,to{transform:translateY(0)rotate(-2deg)}50%{transform:translateY(-10px)rotate(2deg)}}@media (max-width:900px){.top-nav nav{display:none}.hero{grid-template-columns:1fr;min-height:650px;margin:20px 18px 0}.hero-copy{padding:42px 35px}.hero-scene{min-height:280px}.dashboard-row,.map-section,.inner-page{margin-left:18px;margin-right:18px}.dashboard-row{grid-template-columns:1fr 1fr}.dashboard-row article:first-child{grid-column:1/-1}.chapter-grid,.review-layout,.workshop-grid{grid-template-columns:1fr}.formula-grid{grid-template-columns:repeat(2,1fr)}.archive-card{grid-template-columns:1fr}.task-picker{grid-template-columns:repeat(2,1fr)}.hero:after{width:94%;height:110px}.chapter-card:nth-child(n){transform:none}.map-section{padding:28px}}@media (max-width:600px){.top-nav{height:72px;padding:0 15px}.logo small,.top-stats span:first-child{display:none}.top-stats span{padding:7px 9px}.hero{border-radius:28px;min-height:610px}.hero-copy{padding:34px 24px}.hero-scene{transform-origin:top;transform:scale(.82)}.dashboard-row{grid-template-columns:1fr}.dashboard-row article:first-child{grid-column:auto}.section-head{display:block}.legend{margin-top:15px}.chapter-card{grid-template-columns:auto auto 1fr;padding:14px 12px}.chapter-meta{display:none}.lesson-modal{border-radius:26px;padding:25px 20px}.lesson-progress{grid-template-columns:auto 1fr}.lesson-progress>b{display:none}.lesson-screen h2{font-size:24px}.modal-cta{width:100%}.page-intro{padding:28px 24px}.page-intro h1{font-size:31px}footer{gap:7px;display:grid}.formula-grid{grid-template-columns:1fr}.subsection-head{display:block}.subsection-head>small{margin-top:7px;display:block}.archive-card{padding:22px 18px}.archive-actions>div{display:grid}.archive-actions button{width:100%}.task-picker{grid-template-columns:1fr}.question-meta,.self-score{flex-direction:column;align-items:flex-start}.map-section{border-radius:30px;padding:24px 13px}.section-head h2{font-size:28px}.party-gate{right:-2%}.hero h1{font-size:40px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}