:root{color-scheme:light;--bg:#fffefa;--text:#20294b;--muted:#67738f;--line:#e7e9f1;--panel:#fff;--primary:#625be4;--primary2:#4a69da;--mint:#16afaa;--cream:#fefbf4;--radius:24px;--shadow:0 19px 55px rgba(49,62,116,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.63 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;overflow-x:hidden;--font-scale:1}body,button,input,select{font-size:calc(16px * var(--font-scale))}a{text-decoration:none;color:inherit}button,input,select{font-family:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #53bbb6;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.045em}h2{font-size:clamp(2.35rem,4.2vw,4.1rem);font-weight:810}h2 em{font-style:normal;color:#7168e8}h3{letter-spacing:-.035em}.shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}.section{padding-block:105px}.section-tint{background:linear-gradient(135deg,#f7f7ff 0%,#f6fffb 55%,#fff9f2 100%)}.skip{position:absolute;z-index:100;transform:translateY(-180%);padding:12px;background:#fff;color:#232345}.skip:focus{transform:none}.reading-progress{height:3px;width:0;background:linear-gradient(90deg,#6e6ae8,#12bbab);position:fixed;top:0;inset-inline-start:0;z-index:100}.announcement{display:flex;align-items:center;justify-content:center;gap:16px;min-height:34px;background:linear-gradient(92deg,#6a5bdb,#527bdd,#24b8aa);color:white;font-size:.71rem;letter-spacing:.12em;text-transform:uppercase;font-weight:780;text-align:center;padding:6px 14px}.announce-star{color:#ffe38c;font-size:1rem}.site-header{position:sticky;top:0;background:rgba(255,255,255,.87);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:50;border-bottom:1px solid rgba(209,214,234,.7)}.header-inner{max-width:1340px;margin:auto;padding:0 28px;min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:19px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap;flex:none;min-width:0}.brand-symbol{width:45px;height:45px;flex:none;filter:drop-shadow(0 7px 10px rgba(96,98,205,.14))}.brand-text{font-size:1.17rem;font-weight:880;letter-spacing:-.05em}.brand-text span{color:#6564dc}.brand-text small{font-weight:650;color:#19a69b;font-size:.75em;letter-spacing:-.03em}.desktop-nav{display:flex;align-items:center;gap:clamp(10px,1.45vw,23px)}.desktop-nav a{font-size:.83rem;color:#54627d;font-weight:750;transition:color .2s;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:#5b55db}.header-controls{display:flex;align-items:center;gap:6px;flex:none}.small-control{width:30px;height:34px;border:0;border-radius:9px;background:#f4f4fa;color:#485273;font-size:.78rem;font-weight:800}.small-control:hover{background:#e5e4fe}.menu-toggle{display:inline-flex;align-items:center;gap:9px;border:1px solid #e2e6ef;border-radius:14px;background:#fff;padding:10px 13px;color:#37415b;font-weight:780;font-size:.8rem}.menu-bars{display:flex;width:17px;gap:3px;flex-direction:column}.menu-bars i{display:block;width:100%;height:2px;background:#5d5ce4;border-radius:2px}.menu-scrim{position:fixed;inset:0;background:rgba(23,34,64,.25);z-index:79}.menu-drawer{position:fixed;right:0;top:0;bottom:0;width:min(410px,92vw);background:#fff;z-index:80;padding:25px;box-shadow:-20px 0 90px #17274d26;transform:translateX(110%);transition:transform .35s ease;overflow:auto}.menu-drawer.open{transform:translateX(0)}.menu-title{display:flex;align-items:center;justify-content:space-between;font-size:1.17rem;margin-bottom:24px}.close-menu{width:41px;height:41px;border:0;border-radius:12px;color:white;background:#e75365;font-size:2rem;line-height:1}.menu-links{display:grid;grid-template-columns:1fr 1fr;gap:9px}.menu-links a{padding:13px;border-radius:10px;font-weight:720;color:#444b70;background:#f5f6ff;font-size:.89rem}.menu-links a:hover{background:#dfddff;color:#3e3bbd}.menu-note{text-align:center;margin-top:30px;color:#7e86aa;font-size:.8rem;letter-spacing:.12em}
.hero{position:relative;min-height:min(800px,calc(100svh - 105px));overflow:hidden;background:linear-gradient(122deg,#fffbf7 1%,#f9f8ff 34%,#f0faff 67%,#f1fff8 100%);isolation:isolate}.hero::before{content:"";position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,#ddf5ff85,transparent 66%);top:-480px;left:-300px}.hero::after{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,#ffefe09c,transparent 70%);bottom:-370px;right:-260px}.hero-mesh{position:absolute;inset:0;opacity:.33;background-image:radial-gradient(#8f9cc7 0.7px,transparent .7px);background-size:23px 23px;mask-image:linear-gradient(95deg,transparent 10%,#000 95%);pointer-events:none}.hero-inner{max-width:1270px;margin:auto;min-height:700px;padding:72px 30px 48px;display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:20px;position:relative;z-index:1}.hero-copy{max-width:645px;position:relative;z-index:4}.kicker,.eyebrow{font-size:.74rem;font-weight:850;letter-spacing:.15em;color:#7065cb;display:inline-flex;gap:9px;align-items:center;text-transform:uppercase}.kicker{background:#ffffffb9;border:1px solid #e6e2ff;padding:9px 14px;border-radius:30px}.kicker-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#31c6ad;box-shadow:0 0 0 5px #d9f9f0}.hero h1{font-weight:860;font-size:clamp(3.6rem,5.65vw,6.4rem);line-height:1.04;letter-spacing:-.072em;margin:23px 0 26px}.gradient-word{background:linear-gradient(104deg,#6a62ea 10%,#27b5c4 67%,#40b787);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-desc{color:var(--muted);font-size:1.16rem;line-height:1.8;max-width:550px;margin-bottom:24px}.hero-checks{display:flex;gap:12px 19px;flex-wrap:wrap;margin:20px 0 30px;color:#56617d;font-size:.77rem;font-weight:730}.hero-checks span::first-letter{color:#15ad9d}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:51px;border:0;border-radius:15px;padding:11px 22px;font-weight:820;font-size:.9rem;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}.button:hover{transform:translateY(-3px)}.button-primary{background:linear-gradient(108deg,#675be0,#466fdb);box-shadow:0 10px 24px #5d5fe047;color:white}.button-secondary{background:white;border:1px solid #e7e4f5;color:#505d77}.hero-socialproof{display:flex;gap:14px;align-items:center;margin-top:36px;color:#7c849b;font-size:.8rem;line-height:1.4}.hero-socialproof b{color:#465170}.tiny-avatars{display:flex;padding-left:4px}.tiny-avatars span{width:36px;height:36px;border-radius:50%;border:3px solid #fff;display:grid;place-items:center;font-weight:900;font-size:.72rem;color:#7569e9;background:#eeeaff;margin-inline-start:-7px}.tiny-avatars span:nth-child(2){background:#ddfaf1;color:#21ae9c}.tiny-avatars span:nth-child(3){background:#ffeddf;color:#e49a5c}.hero-bottom{max-width:1230px;position:relative;z-index:2;margin:-10px auto 0;padding:0 30px 22px;display:flex;align-items:center;justify-content:space-between;font-size:.69rem;letter-spacing:.15em;font-weight:850;color:#8994ad}.hero-bottom>span span{font-size:1.12rem;color:#665cdf;margin-inline-start:9px}.motion-btn{border:1px solid #e9e4f5;background:#ffffff9d;color:#73809a;border-radius:22px;padding:7px 12px;font-size:.71rem;letter-spacing:0;font-weight:720}
.universe{height:580px;max-width:590px;width:100%;position:relative;margin-inline:auto;transform:translate3d(0,0,0)}.universe-glow{position:absolute;inset:13%;border-radius:50%;background:radial-gradient(circle,#d2d5ff99 0,#d9f7f6b3 32%,transparent 70%);filter:blur(19px)}.orbit-field{position:absolute;inset:0;display:grid;place-items:center}.orbit-ring{display:block;position:absolute;border:1px dashed rgba(109,120,190,.28);border-radius:50%;transform:rotate(-24deg)}.orbit-1{width:92%;height:65%;animation:orbital 48s linear infinite}.orbit-2{width:74%;height:91%;animation:orbital2 39s linear infinite}.orbit-3{width:84%;height:84%;border-style:solid;border-color:#e2e5fa;animation:orbital 65s linear infinite}.orbit-4{width:54%;height:54%;border-style:solid;border-color:#e3e6f7}.knowledge-core{position:absolute;top:50%;left:50%;width:310px;height:310px;transform:translate(-50%,-50%);border-radius:49% 51% 46% 54% / 52% 48% 52% 48%;background:linear-gradient(135deg,#7471f4 0%,#6583e9 38%,#40cac0 100%);box-shadow:inset 15px 15px 28px #ffffff4f,inset -22px -24px 45px #2543a153,0 22px 65px #657de14a;display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;overflow:hidden;text-align:center;animation:corefloat 7s ease-in-out infinite}.knowledge-core::before{content:"";position:absolute;inset:9px;border:1px solid #ffffff47;border-radius:50%}.knowledge-core::after{content:"";position:absolute;width:140%;height:50%;background:linear-gradient(0deg,transparent,#ffffff29,transparent);top:-65%;left:-20%;transform:rotate(32deg);animation:shine 10s ease-in-out infinite}.core-shine{position:absolute;left:10%;top:10%;width:42%;height:24%;border-radius:50%;background:radial-gradient(ellipse,#ffffff66,transparent 70%);transform:rotate(-32deg);filter:blur(6px)}.core-overline{font-size:.64rem;letter-spacing:.19em;font-weight:850;opacity:.82}.core-symbol{font-size:3rem;line-height:1.25;color:#fff3af}.knowledge-core strong{font-size:2.5rem;line-height:1.06;letter-spacing:-.055em;font-weight:870}.core-underline{margin-top:16px;width:54px;height:3px;background:#dcfff0;border-radius:5px}.float-subject{position:absolute;display:grid;grid-template-columns:46px auto;grid-template-rows:1fr 1fr;gap:0 10px;align-items:center;min-width:151px;padding:10px 16px 10px 11px;background:rgba(255,255,255,.88);border:1px solid #fff;box-shadow:0 13px 35px #5664a529;backdrop-filter:blur(12px);border-radius:17px;z-index:2;animation:drift 5.6s ease-in-out infinite}.float-subject .bubble{grid-row:1/3;display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:#edeafd;color:#665bdc;font-weight:900;font-size:1.2rem}.float-subject b{font-size:.83rem;line-height:1.2;white-space:nowrap}.float-subject small{font-size:.68rem;color:#858fa2;white-space:nowrap}.pill-code{top:16%;left:-2%;transform:rotate(-7deg)}.pill-ai{top:12%;right:-4%;transform:rotate(7deg);animation-delay:-1.3s}.pill-math{top:48%;left:-11%;transform:rotate(4deg);animation-delay:-2.8s}.pill-language{bottom:9%;left:4%;transform:rotate(-6deg);animation-delay:-.9s}.pill-design{bottom:15%;right:-6%;transform:rotate(5deg);animation-delay:-2s}.pill-ai .bubble{background:#ffe8eb;color:#ef7e83}.pill-math .bubble{background:#dbf4fb;color:#39a4ce}.pill-language .bubble{background:#e4faee;color:#24b58e}.pill-design .bubble{background:#fff4d9;color:#e8a547}.twinkle{position:absolute;color:#bbaef5;font-size:1.25rem;animation:twinkle 3s ease-in-out infinite}.t1{top:4%;left:37%}.t2{top:26%;right:0}.t3{bottom:18%;left:1%;color:#65c8ad}.t4{bottom:2%;right:27%;color:#f3b15b}
.topic-ribbon{width:100%;overflow:hidden;border-block:1px solid #ebedf5;background:white}.ribbon-row{display:flex;width:max-content;align-items:center;gap:28px;min-height:62px;padding-inline:22px;color:#7d88a8;font-weight:820;font-size:.81rem;letter-spacing:.08em;text-transform:uppercase;animation:marquee 45s ease-in-out infinite alternate}.ribbon-row i{font-style:normal;color:#aaa1f0;font-size:1rem}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-heading h2{margin:14px 0 14px}.section-heading p{font-size:1.03rem;color:var(--muted);max-width:630px;margin:0}.eyebrow-rule{display:inline-block;width:24px;height:2px;background:#76bfb6}.section-pill{border-radius:25px;border:1px solid #e6e3f7;color:#685fcb;padding:9px 15px;white-space:nowrap;font-size:.76rem;font-weight:800;background:#f8f7ff}.search-wrap{margin:30px 0}.search-label{font-size:.78rem;font-weight:790;color:#68758e}.search-box{display:flex;align-items:center;gap:12px;max-width:540px;height:51px;border:1px solid #dfe6ef;border-radius:15px;background:#fff;margin-top:6px;padding:0 16px;box-shadow:0 8px 22px #55619d0b}.search-box span{font-size:1.6rem;color:#7676e3}.search-box input{flex:1;min-width:0;border:0;outline:0;color:var(--text);background:transparent;font-size:.86rem}.search-box input:focus-visible{outline:0}.search-box:focus-within{outline:2px solid #9c95fb}.search-box button{background:#efeeff;border:0;border-radius:8px;color:#6861ca;padding:6px 9px;font-size:.72rem}.search-feedback{font-size:.76rem;color:#738099;margin:8px 0 0;min-height:15px}.category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.category-card{min-width:0;min-height:249px;display:flex;flex-direction:column;padding:23px 19px;border:1px solid #e9ebf5;border-radius:22px;box-shadow:0 7px 30px #3547740b;transition:transform .25s,box-shadow .25s,border-color .2s;position:relative;overflow:hidden}.category-card::before{content:"";position:absolute;width:150px;height:150px;right:-82px;bottom:-100px;border-radius:50%;background:#ffffffa1;filter:blur(2px)}.category-card:hover{transform:translateY(-7px);box-shadow:0 17px 40px #50659d1d;border-color:#c8cbe9}.shade-peach{background:linear-gradient(140deg,#fff0df,#fff9f2)}.shade-violet{background:linear-gradient(135deg,#ede8ff,#faf8ff)}.shade-pink{background:linear-gradient(135deg,#ffe6f2,#fff9fb)}.shade-sky{background:linear-gradient(135deg,#e1f5ff,#f6fcff)}.shade-mint{background:linear-gradient(135deg,#e0faf3,#f9fffb)}.shade-blue{background:linear-gradient(135deg,#e8edff,#f9fbff)}.shade-lavender{background:linear-gradient(135deg,#eeeafd,#faf9ff)}.shade-lime{background:linear-gradient(135deg,#eafada,#fbfff7)}.shade-rose{background:linear-gradient(135deg,#ffe8e5,#fffaf8)}.shade-butter{background:linear-gradient(135deg,#fff5d3,#fffdf3)}.card-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:auto}.category-glyph{display:grid;place-items:center;width:53px;height:53px;border-radius:17px;background:#ffffffb6;color:#665cc8;font-weight:900;font-size:1.45rem;letter-spacing:-.08em;box-shadow:0 5px 15px #ffffffc4}.card-arrow{color:#7279a0;font-size:1.2rem}.category-name{font-size:1.02rem;font-weight:860;line-height:1.3;letter-spacing:-.025em;margin:24px 0 5px}.category-desc{font-size:.75rem;color:#67748c;line-height:1.52;min-height:3.1em}.card-foot{display:flex;align-items:center;gap:4px;color:#5c58bd;font-size:.72rem;font-weight:830;letter-spacing:.015em;margin-top:14px}.empty-state{background:#fff2f2;padding:18px;border-radius:12px;color:#ab5b65}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.feature-card{background:#ffffffce;border:1px solid #fff;border-radius:22px;padding:29px;min-height:232px;box-shadow:0 10px 32px #435b9912;transition:transform .2s}.feature-card:hover{transform:translateY(-4px)}.feature-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#6864dd;background:#ebeaff;font-size:1.6rem;font-weight:850}.feature-card:nth-child(2) .feature-icon{background:#ddfaf3;color:#08a896}.feature-card:nth-child(3) .feature-icon{background:#fff2dd;color:#d09a43}.feature-card:nth-child(4) .feature-icon{background:#ffe6ee;color:#ec7194}.feature-card:nth-child(5) .feature-icon{background:#e3f5ff;color:#46a8d3}.feature-card:nth-child(6) .feature-icon{background:#eaf7e2;color:#6caa51}.feature-card h3{font-size:1.22rem;margin:20px 0 10px}.feature-card p{color:var(--muted);font-size:.91rem;line-height:1.7;margin:0}.text-action{color:#615bd6;font-weight:850;white-space:nowrap;font-size:.87rem;transition:color .2s}.text-action:hover{color:#219e9e}
.tech-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.tech-copy p{color:var(--muted);font-size:1.08rem;line-height:1.9;margin:16px 0 24px}.tech-showcase{position:relative;min-height:430px;overflow:hidden;border:1px solid #f3f3ff;border-radius:35px;background:linear-gradient(145deg,#f0edff,#defaf7 58%,#fff2e7);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}.tech-panel-top{display:flex;align-items:center;gap:8px;position:absolute;top:22px;left:23px;right:23px;font-weight:870;letter-spacing:.11em;font-size:.66rem;color:#8086a5}.tech-panel-top>span:last-child{margin-inline-start:auto}.live-spark{color:#1bc7a4;font-size:1rem}.tech-disc{width:262px;height:262px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(from 30deg,#9cb8ff,#bd90ee,#9de9e8,#fff3bd,#9cb8ff);filter:drop-shadow(0 19px 30px #8d96e438);animation:orbital 30s linear infinite}.tech-disc-inner{width:226px;height:226px;border-radius:50%;background:#fffffff2;display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:3.7rem;color:#5d62db;font-weight:860;letter-spacing:-.13em;animation:orbital2 30s linear infinite}.tech-disc-inner small{font-size:.67rem;letter-spacing:.1em;color:#8c92b1}.tech-tags{position:absolute;inset:auto 16px 23px;display:flex;gap:6px;flex-wrap:wrap;justify-content:center}.tech-tags span{background:#ffffffbe;padding:5px 11px;border-radius:30px;color:#717c9a;font-size:.64rem;font-weight:770}
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.tool-tile{display:flex;align-items:center;gap:19px;background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px;transition:transform .2s,box-shadow .2s}.tool-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.tool-icon{width:62px;height:62px;flex:none;border-radius:16px;background:#edeafd;color:#685fdf;display:grid;place-items:center;font-size:1.4rem;font-weight:890}.tool-tile:nth-child(2) .tool-icon{background:#e0f9ee;color:#21a98a}.tool-tile:nth-child(3) .tool-icon{background:#fff0e0;color:#cf8b52}.tool-tile:nth-child(4) .tool-icon{background:#e0f3ff;color:#318dc2}.tool-body{display:grid;gap:5px}.tool-body strong{font-size:1.02rem}.tool-body small{font-size:.81rem;color:var(--muted);line-height:1.4}.tool-link{margin-inline-start:auto;font-size:1.1rem;color:#737be1}
.explore-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.explore-card{display:flex;flex-direction:column;min-height:350px;border-radius:23px;padding:25px;position:relative;overflow:hidden;border:1px solid #fff;transition:transform .2s,box-shadow .2s}.explore-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.ex-course{background:linear-gradient(140deg,#e5e8ff,#f9f8ff)}.ex-books{background:linear-gradient(140deg,#fff0dd,#fffbf2)}.ex-play{background:linear-gradient(140deg,#def6ee,#f3fff9)}.ex-tricks{background:linear-gradient(140deg,#ffe2ec,#fff7fa)}.explore-no{font-size:.68rem;font-weight:900;letter-spacing:.13em;color:#8287a8}.explore-art{height:132px;display:grid;place-items:center;font-size:4.6rem;color:#7774d7;filter:drop-shadow(0 8px 15px #757bdd43);transition:transform .3s}.explore-card:hover .explore-art{transform:scale(1.12) rotate(-8deg)}.ex-books .explore-art{color:#e9a166}.ex-play .explore-art{color:#2dbba1}.ex-tricks .explore-art{color:#d77d9f}.explore-card h3{font-size:1.22rem;margin:0 0 10px}.explore-card p{font-size:.79rem;color:#64708a;line-height:1.62;margin:0 0 17px}.explore-card>span:last-child{font-size:.77rem;font-weight:820;margin-top:auto;color:#605ac4}
.crypto-wrap{background:linear-gradient(115deg,#f0f0ff,#eefaff,#f1fff9);border:1px solid #ecebfb;border-radius:30px;padding:53px 61px;display:grid;grid-template-columns:1.25fr .8fr;align-items:center;gap:50px}.crypto-wrap p{color:var(--muted);line-height:1.8;max-width:650px}.chain-graphic{height:250px;position:relative;display:grid;place-items:center}.chain-graphic::before,.chain-graphic::after{content:"";height:2px;width:72%;background:linear-gradient(90deg,#8f8cf0,#34c8a5);position:absolute;transform:rotate(30deg)}.chain-graphic::after{transform:rotate(-32deg)}.chain-center{z-index:2;width:118px;height:118px;border:13px solid #ececff;border-radius:50%;background:linear-gradient(130deg,#7c8af5,#49bdbc);box-shadow:0 10px 35px #5c75d35b;display:grid;place-items:center;font-size:3rem;color:#fff}.chain-node{position:absolute;z-index:3;width:45px;height:45px;border-radius:50%;background:#fff;border:1px solid #e2e6fb;box-shadow:0 8px 20px #6274b83c;display:grid;place-items:center;font-weight:870;color:#635adb;font-size:.81rem}.node-a{left:7%;top:21%}.node-b{right:9%;top:16%}.node-c{right:24%;bottom:6%}
.business-panel{position:relative;isolation:isolate;background:linear-gradient(112deg,#6a6be7,#6b92eb 54%,#56c6ae);border-radius:32px;padding:70px 68px;color:#fff;overflow:hidden;box-shadow:0 20px 40px #606dca31}.business-panel::after{content:"";width:420px;height:420px;border:1px solid #ffffff52;border-radius:50%;position:absolute;right:-100px;top:50%;transform:translateY(-50%);box-shadow:0 0 0 45px #ffffff0f,0 0 0 92px #ffffff0b}.business-content{position:relative;z-index:1;max-width:680px}.business-panel .eyebrow{color:#e9ecff}.business-panel h2{margin:18px 0}.business-panel h2 em{color:#caffdd}.business-panel p{max-width:580px;color:#f0f3ff;line-height:1.8;margin-bottom:25px}.business-decor{position:absolute;right:12%;top:35%;font-size:12rem;color:#ffffff33}.button-white{background:#fff;color:#5355c4}.button-glass{color:#fff;background:#ffffff24;border:1px solid #ffffff88}
.translate-panel{background:linear-gradient(135deg,#fcfaff,#f7fffb);border:1px solid #e8e5f8;border-radius:29px;padding:39px;display:grid;grid-template-columns:84px 1fr 260px;align-items:start;gap:26px}.translate-emoji{width:76px;height:76px;border-radius:23px;display:grid;place-items:center;color:#7564d5;background:#e8e8fe;font-size:2.25rem}.translate-info h2{font-size:clamp(1.8rem,3vw,2.55rem);margin:14px 0}.translate-info p{font-size:.9rem;color:var(--muted);line-height:1.7;margin:0}.translate-controls{display:flex;flex-direction:column;gap:9px}.translate-controls label{font-size:.77rem;font-weight:850}.translate-controls select{width:100%;min-height:45px;background:white;border:1px solid #d9dfef;border-radius:12px;color:#4a5476;padding:9px 12px;font-size:.85rem}.translate-controls .button{font-size:.77rem;min-height:44px}.direction-toggle{border:1px solid #dfe5ef;background:#fff;color:#5e5fc4;border-radius:11px;min-height:40px;font-size:.76rem;font-weight:810}.translate-controls small{color:#8a92a8;font-size:.65rem;line-height:1.55}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-card{display:flex;flex-direction:column;min-height:315px;border:1px solid var(--line);border-radius:22px;background:#fff;padding:28px;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.article-count{display:flex;justify-content:space-between;color:#aaaed2;border-bottom:1px solid #eef0f7;padding-bottom:20px;font-size:.8rem;font-weight:820;margin-bottom:22px}.article-count span{color:#605fe0}.article-label{text-transform:uppercase;letter-spacing:.12em;color:#23b6ab;font-size:.67rem;font-weight:890;margin-bottom:11px}.article-card h3{font-size:1.27rem;margin:0 0 13px}.article-card p{color:var(--muted);line-height:1.67;font-size:.84rem}.article-card .text-link{margin-top:auto;color:#605eda;font-size:.76rem;font-weight:850}
.community-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}.community-layout h2{margin:18px 0}.community-layout p{color:var(--muted);line-height:1.85;font-size:1rem;margin-bottom:25px}.idea-art{height:300px;position:relative;display:grid;place-items:center}.idea-ring{width:227px;height:227px;border-radius:50%;display:grid;place-items:center;font-size:9rem;font-weight:750;color:#766eed;background:radial-gradient(circle at 32% 30%,#fff,#e8e9ff 57%,#c9fbec);box-shadow:inset -10px -10px 25px #777bd025,0 25px 45px #6273a02b;animation:corefloat 8s ease-in-out infinite}.idea-art span{position:absolute;font-size:2.7rem;color:#8c86e9}.idea-one{top:8%;right:18%}.idea-two{bottom:15%;left:8%;color:#48b5b0!important}.idea-three{top:10%;left:13%;color:#f1bb7b!important}.about-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.about-wrap h2{margin:16px 0}.about-right p{font-size:1.02rem;color:var(--muted);line-height:1.92}.about-right p:first-child{font-weight:690;color:#3b4869}
.footer{background:#f1f3fc;border-top:1px solid #e5e7f3}.footer-main{padding:70px 0 40px;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:70px}.footer-brand p{max-width:340px;color:#717b97;font-size:.89rem;line-height:1.84;margin:18px 0}.footer-logo-glyph{width:44px;height:44px;background:linear-gradient(125deg,#7a70e8,#3bc8b6);border-radius:14px;color:#fff;display:grid;place-items:center;font-size:1.55rem}.footer-email{font-size:.82rem;color:#5a5bd1;font-weight:850}.footer-group{display:flex;flex-direction:column;gap:9px}.footer-group h3{font-size:1rem;margin:4px 0 17px}.footer-group a{font-size:.82rem;color:#707c9a;transition:color .2s}.footer-group a:hover{color:#655fe8}.legal-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px;padding-top:14px;border-top:1px solid #dce0ef}.footer-under{display:flex;flex-wrap:wrap;gap:17px;align-items:center;justify-content:space-between;border-top:1px solid #e0e4f1;padding:22px 0;color:#8590a9;font-size:.69rem}.footer-under p{margin:0}.social-list{display:flex;gap:8px}.social-list a{width:32px;height:32px;background:#fff;border:1px solid #e5e7f4;border-radius:9px;display:grid;place-items:center;color:#6b66d9;font-weight:890;font-size:1rem}.social-list a:hover{background:#e0dffe}.preview-note{color:#a5acc0;font-size:.65rem}.to-top{position:fixed;right:19px;bottom:19px;border:0;border-radius:15px;width:43px;height:43px;background:#635ddd;color:white;z-index:20;box-shadow:0 8px 23px #6054c95e;font-size:1.25rem;opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s}.to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
@keyframes orbital{to{transform:rotate(336deg)}}@keyframes orbital2{to{transform:rotate(360deg)}}@keyframes corefloat{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-9px)}}@keyframes drift{0%,100%{translate:0 0}50%{translate:0 -11px}}@keyframes twinkle{0%,100%{opacity:.25;scale:.8}50%{opacity:1;scale:1.2}}@keyframes shine{0%,70%,100%{top:-65%}90%{top:120%}}@keyframes marquee{to{transform:translateX(-9%)}}.idea-ring{animation-name:ideaFloat}@keyframes ideaFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
body[data-theme="dark"]{color-scheme:dark;--bg:#181e34;--text:#edf0ff;--muted:#aab5d4;--line:#3a4564;--panel:#27314a}body[data-theme="dark"] .site-header{background:#222b42e8;border-color:#39415e}body[data-theme="dark"] .desktop-nav a,body[data-theme="dark"] .menu-toggle{color:#bfc9ec}body[data-theme="dark"] .menu-toggle,body[data-theme="dark"] .small-control,body[data-theme="dark"] .category-card,body[data-theme="dark"] .feature-card,body[data-theme="dark"] .article-card,body[data-theme="dark"] .tool-tile{background:#26324c!important;color:#e9edff;border-color:#465272}body[data-theme="dark"] .hero{background:linear-gradient(124deg,#232b48,#26335e,#234b52)}body[data-theme="dark"] .section-tint,body[data-theme="dark"] .footer{background:#1e2740}body[data-theme="dark"] .kicker,body[data-theme="dark"] .tiny-avatars span,body[data-theme="dark"] .topic-ribbon,body[data-theme="dark"] .search-box,body[data-theme="dark"] .button-secondary,body[data-theme="dark"] .float-subject,body[data-theme="dark"] .menu-drawer{background:#2c3852;color:#f1f4ff}body[data-theme="dark"] .float-subject b,body[data-theme="dark"] .tool-body strong,body[data-theme="dark"] .category-name,body[data-theme="dark"] .about-right p:first-child{color:#f1f4ff}body[data-theme="dark"] .category-desc,body[data-theme="dark"] .feature-card p,body[data-theme="dark"] .tool-body small,body[data-theme="dark"] .article-card p{color:#b3bed5}body[data-theme="dark"] .tech-showcase,body[data-theme="dark"] .crypto-wrap,body[data-theme="dark"] .translate-panel{background:#26324c;border-color:#465272}body[data-theme="dark"] .translate-controls select,body[data-theme="dark"] .direction-toggle{background:#303c5b;color:#fff}body[data-theme="dark"] .brand-text,body[data-theme="dark"] .footer-group h3{color:#f5f5ff}body[data-theme="dark"] .menu-links a{background:#364263;color:#f1f3ff}
html[dir="rtl"] .menu-drawer{right:auto;left:0;transform:translateX(-110%)}html[dir="rtl"] .menu-drawer.open{transform:translateX(0)}html[dir="rtl"] .hero-inner,html[dir="rtl"] .tech-layout{direction:rtl}html[dir="rtl"] .float-subject,html[dir="rtl"] .universe{direction:ltr}html[dir="rtl"] .search-box{direction:rtl}
body.motion-paused *,body.motion-paused *::before,body.motion-paused *::after{animation-play-state:paused!important;scroll-behavior:auto!important}body.motion-paused .float-subject{translate:0 0!important}
@media(max-width:1150px){.desktop-nav{display:none}.hero-inner{grid-template-columns:1fr 1fr}.category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.explore-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.universe{scale:.92}.pill-math{left:-3%}.pill-ai{right:0}.pill-design{right:-1%}}
@media(max-width:850px){.section{padding-block:72px}.hero-inner{display:flex;flex-direction:column;align-items:center;gap:0;padding-top:66px;padding-bottom:25px;min-height:unset}.hero-copy{max-width:680px;text-align:center}.hero h1{font-size:clamp(3.1rem,9vw,5.5rem)}.hero-checks,.hero-buttons{justify-content:center}.hero-socialproof{justify-content:center;margin-top:26px}.universe{margin-top:15px;height:520px;width:min(570px,100%);scale:.92}.hero-bottom{margin-top:-20px}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tech-layout,.community-layout,.about-wrap{grid-template-columns:1fr;gap:33px}.tech-showcase{min-height:360px}.crypto-wrap{grid-template-columns:1fr;padding:40px}.chain-graphic{height:190px}.translate-panel{grid-template-columns:70px 1fr;gap:15px}.translate-controls{grid-column:1/-1;max-width:440px;width:100%}.footer-main{gap:30px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:590px){.shell{width:min(100% - 28px,480px)}.header-inner{min-height:66px;padding:0 13px;gap:7px}.brand-symbol{width:37px;height:37px}.brand{gap:6px}.brand-text{font-size:.94rem;letter-spacing:-.06em}.header-controls{gap:3px}.small-control{width:26px;height:30px;font-size:.71rem}.menu-toggle{padding:8px;font-size:0;min-width:38px;justify-content:center}.menu-toggle .menu-bars{width:19px}.announcement{font-size:.55rem;letter-spacing:.05em;min-height:29px}.announce-star{font-size:.6rem}.hero-inner{padding:46px 14px 6px}.kicker{font-size:.61rem;padding:7px 10px}.hero h1{font-size:clamp(2.6rem,12.1vw,4.1rem);margin:20px 0}.hero-desc{font-size:.99rem;line-height:1.7;margin-inline:auto;max-width:350px}.hero-checks{gap:6px 10px;font-size:.69rem}.hero-buttons{gap:8px}.button{min-height:45px;padding:10px 15px;font-size:.77rem;gap:6px}.hero-socialproof{margin-top:18px}.universe{width:100%;max-width:420px;height:360px;margin-top:24px;scale:1}.knowledge-core{width:195px;height:195px}.core-overline{font-size:.47rem}.core-symbol{font-size:2.1rem}.knowledge-core strong{font-size:1.66rem}.core-underline{margin-top:8px;width:30px}.float-subject{padding:7px;min-width:0;grid-template-columns:31px auto;gap:0 4px;border-radius:12px;box-shadow:0 7px 15px #5664a525}.float-subject .bubble{width:31px;height:31px;font-size:.79rem;border-radius:9px}.float-subject b{font-size:.64rem}.float-subject small{font-size:.5rem}.pill-code{top:12%;left:0}.pill-ai{top:10%;right:0}.pill-math{top:49%;left:0}.pill-language{bottom:12%;left:1%}.pill-design{bottom:13%;right:0}.hero-bottom{margin-top:0;padding:0 16px 18px}.section{padding-block:58px}.section-heading{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:22px}.section-heading h2,h2{font-size:clamp(2rem,9vw,2.8rem)}.section-heading p{font-size:.93rem}.section-pill{font-size:.69rem}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.category-card{min-height:220px;padding:16px 12px;border-radius:17px}.category-glyph{width:42px;height:42px;border-radius:12px;font-size:1.18rem}.category-name{font-size:.92rem;margin:17px 0 5px}.category-desc{font-size:.69rem;line-height:1.5;min-height:3em}.card-foot{font-size:.66rem;margin-top:10px}.feature-grid,.tool-grid,.article-grid,.explore-grid{grid-template-columns:1fr}.feature-card{min-height:unset;padding:24px}.tech-showcase{min-height:315px}.tech-disc{width:185px;height:185px}.tech-disc-inner{width:161px;height:161px;font-size:2.7rem}.tech-panel-top{font-size:.55rem}.tech-tags span{font-size:.57rem}.tool-tile{padding:14px;gap:12px}.tool-icon{width:52px;height:52px}.crypto-wrap{padding:28px 21px;gap:3px}.chain-graphic{height:165px}.chain-center{width:93px;height:93px;font-size:2rem}.business-panel{padding:42px 23px;border-radius:22px}.business-decor{right:0;opacity:.25}.translate-panel{padding:24px 18px;grid-template-columns:48px 1fr;gap:12px}.translate-emoji{width:47px;height:47px;border-radius:12px;font-size:1.7rem}.translate-info h2{font-size:1.75rem}.article-card{min-height:260px}.community-layout{gap:6px}.idea-art{height:230px}.idea-ring{width:190px;height:190px}.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:33px;padding:52px 0 30px}.footer-brand{grid-column:1/-1}.footer-group a{font-size:.74rem}.footer-under{flex-direction:column;align-items:flex-start}.menu-links{grid-template-columns:1fr 1fr}}
@media(max-width:355px){.brand-text{font-size:.81rem}.brand-symbol{width:31px;height:31px}.small-control{width:24px}.float-subject small{display:none}.category-grid{grid-template-columns:1fr 1fr}.category-card{padding:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.knowledge-core{transform:translate(-50%,-50%)}.idea-ring{transform:none}}
[hidden]{display:none!important}


/* October 2026: verified ETG logo asset, advanced lightweight kinetic graphics and working lab */
.brand{gap:8px}.official-logo{width:190px;height:auto;aspect-ratio:480/220;object-fit:contain;display:block;background:#fff;border-radius:8px;mix-blend-mode:normal;filter:drop-shadow(0 2px 3px rgba(55,69,112,.05))}.footer-logo .official-logo{width:220px;max-width:100%}.site-header .header-inner{min-height:82px}.footer-logo{display:inline-flex}.site-header .desktop-nav{gap:clamp(8px,1.1vw,17px)}.desktop-nav a{font-size:.78rem}
.hero{background:linear-gradient(123deg,#fffcf6 0%,#f7f5ff 37%,#effbff 66%,#f0fff6 100%)}.hero::after{background:radial-gradient(circle,#dffce9aa,transparent 72%)}.hero h1{letter-spacing:-.065em}.hero .kicker{background:#fff;border-color:#d7eaf4}.category-card:hover,.tool-tile:hover,.article-card:hover{transform:translate3d(0,-5px,0);box-shadow:0 18px 40px #5c64b81d}.category-card,.tool-tile,.article-card{transition:transform .3s ease,box-shadow .3s ease;will-change:auto}
.data-trails{position:absolute;inset:0;pointer-events:none}.data-trail{position:absolute;border:2px solid transparent;border-top-color:rgba(114,113,232,.38);border-right-color:rgba(46,192,187,.27);border-radius:50%;transform:rotate(-25deg);animation:orbital 32s linear infinite}.trail-one{width:84%;height:55%;top:22%;left:8%}.trail-two{width:54%;height:93%;top:3%;left:23%;animation-duration:43s;animation-direction:reverse;border-right-color:transparent;border-left-color:#e4b9ff}.trail-three{width:99%;height:79%;top:10%;left:0;border-width:1px;animation-duration:55s}.hero-data-chip{position:absolute;top:1%;left:14%;z-index:3;display:flex;align-items:center;gap:9px;border-radius:13px;padding:9px 13px;background:#ffffffdb;border:1px solid #e7ecff;box-shadow:0 10px 25px #728bb01a;color:#536082;transform:rotate(-6deg);animation:drift 6s ease-in-out infinite}.hero-data-chip small{display:block;font-size:.55rem;letter-spacing:.14em;color:#7a85a0;font-weight:800}.hero-data-chip strong{font-size:.75rem;color:#4c5a88;line-height:1.3}.chip-led{display:inline-block;flex:none;width:8px;height:8px;background:#22cba7;border-radius:50%;box-shadow:0 0 0 4px #22cba723,0 0 14px #22cba75b}.core-circuit{font-size:.42rem;letter-spacing:.13em;opacity:.8;font-weight:800;display:block;margin-top:2px}.pulse-dot{position:absolute;width:8px;height:8px;background:#7d72f1;border:2px solid #fff;box-shadow:0 0 0 5px #8b94ed25,0 0 22px #7c7beb80;border-radius:50%;pointer-events:none;animation:twinkle 3s ease-in-out infinite}.pd1{left:13%;top:35%}.pd2{right:12%;top:41%;animation-delay:1s;background:#2cc8bb}.pd3{left:45%;bottom:8%;animation-delay:2s;background:#feb55b}
.studio-section{background:linear-gradient(138deg,#f4f8ff,#fff9fd 55%,#f5fffd);position:relative;overflow:hidden}.studio-section::before{content:'</>';position:absolute;left:-3%;top:10%;font-weight:900;font-size:14rem;color:#687be707;pointer-events:none;transform:rotate(-15deg)}.lab-shell{position:relative;display:grid;grid-template-columns:1.1fr 1fr;border:1px solid #e0e6f4;box-shadow:0 20px 70px #5063a71a;border-radius:25px;overflow:hidden;min-height:385px}.lab-editor{background:#192342;min-width:0;display:flex;flex-direction:column}.editor-top{height:47px;display:flex;align-items:center;gap:17px;padding:0 20px;border-bottom:1px solid #ffffff18;color:#b4c9ec;font-size:.75rem;font-weight:700}.editor-lights{display:flex;gap:6px}.editor-lights i{width:9px;height:9px;border-radius:50%;background:#ff7d86}.editor-lights i:nth-child(2){background:#ffce77}.editor-lights i:nth-child(3){background:#49dcb8}.editor-filename{flex:1}.editor-state{font-size:.7rem;color:#8ca6c4}.editor-state i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#53d8ac;margin-right:5px}.lab-tabs{display:flex;gap:8px;padding:15px 20px 0}.lab-tab{padding:9px 15px;background:#ffffff13;border:1px solid #ffffff14;border-radius:10px 10px 0 0;color:#c4d2e9;font-size:.77rem;font-weight:800}.lab-tab[aria-selected="true"]{background:#34456f;color:#fff;border-bottom:2px solid #62e0c7}.lab-code{flex:1;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:24px 24px 12px;margin:0;min-height:198px;color:#aaf4e3;font:500 .93rem/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.lab-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px;border-top:1px solid #ffffff1c;color:#93a9d1;font-size:.71rem;font-weight:750}.lab-tools .chip-led{margin-right:8px}.lab-copy{border:1px solid #7593ca4d;border-radius:10px;background:#34456f;color:#fff;padding:9px 13px;font-size:.73rem;font-weight:800}.lab-result{display:flex;flex-direction:column;background:#fff;min-width:0}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e7eaf5;padding:16px 22px;color:#8892a9;letter-spacing:.14em;font-weight:850;font-size:.68rem}.preview-toolbar span:last-child{letter-spacing:.2em;color:#c0c8e2}.preview-scene{flex:1;position:relative;min-height:270px;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:33px 20px;isolation:isolate}.preview-aura{position:absolute;z-index:-1;inset:16% 17%;background:radial-gradient(ellipse,#d8dbff 0,#e8fff7 37%,transparent 72%);filter:blur(20px);animation:previewGlow 8s ease-in-out infinite}.preview-icon{height:67px;width:67px;border-radius:22px;background:linear-gradient(120deg,#7a74ed,#3dcbb9);display:grid;place-items:center;font:900 1.1rem/1.1 ui-monospace,monospace;color:#fff;box-shadow:0 13px 32px #6269e33c;transform:rotate(-8deg);animation:drift 5s ease-in-out infinite;margin-bottom:20px}.preview-scene strong{font-size:clamp(1.15rem,2vw,1.55rem);color:#2d365d;line-height:1.2}.preview-scene p{color:#6d7a97;margin:9px 0 13px}.preview-label{display:inline-block;border-radius:30px;background:#eff4ff;border:1px solid #e4e9ff;color:#5c65ca;padding:7px 12px;font-size:.7rem;font-weight:780}.preview-bottom{padding:13px 22px;display:flex;justify-content:space-between;gap:12px;background:#fafbff;border-top:1px solid #e9ebf4;color:#8790a9;font-size:.75rem}.preview-bottom a{color:#5e5bda;font-weight:800}.preview-scene[data-example=css] .preview-icon{background:linear-gradient(115deg,#eb9ce9,#8e81f2)}.preview-scene[data-example=js] .preview-icon{background:linear-gradient(115deg,#45cdb9,#6c92f2)}.privacy-settings{border:0;background:transparent;color:#6663be;text-decoration:underline;font-size:.73rem;padding:5px;cursor:pointer}
.cookie-banner{position:fixed;z-index:90;bottom:15px;left:50%;transform:translateX(-50%);width:min(840px,calc(100% - 24px));background:#fff;border:1px solid #dce5f8;box-shadow:0 18px 65px #2c335257;border-radius:18px;display:flex;align-items:center;gap:18px;justify-content:space-between;padding:18px 22px}.cookie-copy{display:grid;gap:2px;color:#344164;font-size:.82rem}.cookie-copy strong{font-size:.94rem}.cookie-copy span{color:#6e7895}.cookie-copy a{color:#6560d5;text-decoration:underline}.cookie-actions{display:flex;gap:10px;flex:none}.cookie-actions button{border:1px solid #e5e7f1;border-radius:10px;background:#f5f6ff;color:#475173;padding:11px 14px;font-size:.74rem;font-weight:800}.cookie-actions .cookie-accept{background:#5b5cdd;border-color:#5b5cdd;color:#fff}
body[data-theme=dark] .lab-result{background:#29334d}body[data-theme=dark] .preview-scene strong{color:#edf3ff}body[data-theme=dark] .preview-bottom{background:#27324b}body[data-theme=dark] .preview-scene p{color:#b6c0db}body[data-theme=dark] .preview-toolbar{color:#bdc5d9}body[data-theme=dark] .studio-section{background:linear-gradient(145deg,#202c47,#253550)}body[data-theme=dark] .cookie-banner{background:#2b3451}body[data-theme=dark] .cookie-copy{color:white}
@keyframes previewGlow{0%,100%{opacity:.6;scale:.94}50%{opacity:1;scale:1.08}}
@media(min-width:1151px){.official-logo{width:177px}.hero-data-chip{top:3%}}
@media(max-width:850px){.lab-shell{grid-template-columns:1fr}.lab-result{min-height:335px}.editor-top{height:45px}.studio-section .section-heading{gap:16px}}
@media(max-width:590px){.official-logo{width:125px}.site-header .header-inner{min-height:65px}.hero-data-chip{display:none}.core-circuit{font-size:.3rem;letter-spacing:0}.data-trail{border-width:1px}.lab-shell{border-radius:18px}.lab-code{font-size:.74rem;padding:18px;min-height:140px}.preview-scene{min-height:215px}.editor-top{padding-inline:13px}.lab-tabs{padding:12px 13px 0}.cookie-banner{flex-direction:column;align-items:stretch}.cookie-actions{flex-wrap:wrap}.cookie-actions button{flex:1}.lab-tools{padding:11px 13px}}
@media(max-width:355px){.official-logo{width:104px}.header-inner{padding:0 9px}.lab-tab{padding:8px 12px}}
@media(prefers-reduced-motion:reduce){.data-trail,.hero-data-chip,.pulse-dot,.preview-icon,.preview-aura{animation:none!important}}
body.motion-paused .data-trail,body.motion-paused .hero-data-chip,body.motion-paused .pulse-dot,body.motion-paused .preview-icon,body.motion-paused .preview-aura{animation-play-state:paused!important}

/* ETG SPECTRUM ENHANCEMENTS — clear blue, purple and green brand language */
:root{--etg-blue:#0d96ee;--etg-purple:#8152ea;--etg-green:#16bf80;--etg-spectrum:linear-gradient(105deg,#148ff0 0%,#496cfa 32%,#9055e9 62%,#18bf81 100%)}
.announcement{background:var(--etg-spectrum);letter-spacing:.13em;font-size:.72rem}
.reading-progress{background:var(--etg-spectrum)}
.site-header{border-bottom:2px solid #edf3fc}
.desktop-nav a:hover,.desktop-nav a[aria-current]{color:#6853e4}
.hero{background:linear-gradient(120deg,#f4faff 0%,#f6f2ff 37%,#f8f9ff 66%,#ebfff6 100%)}
.hero::before{background:radial-gradient(circle,#cce9ffbd,transparent 67%)}
.hero::after{background:radial-gradient(circle,#bbf5d1a8,transparent 70%)}
.gradient-word{background-image:var(--etg-spectrum)}
.button-primary{background:var(--etg-spectrum);box-shadow:0 13px 29px #496ffa35;background-size:150% 100%;transition:background-position .3s,transform .25s,box-shadow .25s}
.button-primary:hover{background-position:100% 0;box-shadow:0 15px 33px #6a63e044}
.hero .kicker{border:1px solid #c7e2f8;color:#4951bb;box-shadow:0 7px 23px #91c4e51c}
.knowledge-core{background:linear-gradient(137deg,#148fe6 0%,#8060f3 50%,#15c988 100%);box-shadow:inset 13px 13px 26px #ffffff44,inset -22px -25px 50px #20488848,0 19px 62px #657de136}
.pill-ai .bubble{background:#f1e9ff;color:#8156d6}.pill-language .bubble{background:#e2f9ed;color:#16b777}.pill-code .bubble{background:#e4f2ff;color:#258eda}
.section-heading h2 em,.section h2 em{background:var(--etg-spectrum);background-clip:text;-webkit-background-clip:text;color:transparent;font-style:normal}
.section-tint{background:linear-gradient(115deg,#eef7ff 0%,#f6f2ff 44%,#eafff4 100%)}
.topic-ribbon{border-top:3px solid transparent;border-image:linear-gradient(90deg,#1496f4,#814eff,#27c984) 1;background:#fff}
.ribbon-row i{color:#7955e5}
.category-card{position:relative;isolation:isolate;overflow:hidden;border-color:#e2e9ff;box-shadow:0 7px 24px #4b77c50d}
.category-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,#198ff7,#8f65e7,#1ec786);border-radius:4px;opacity:.8}
.category-card:nth-child(3n+2):before{background:linear-gradient(#7e4ee9,#19b7e4)}
.category-card:nth-child(3n):before{background:linear-gradient(#1ab98e,#6f79e9)}
.category-card:hover,.feature-card:hover,.tool-tile:hover{box-shadow:0 18px 40px #5978c123}
.category-card:nth-child(3n+1):hover{background:linear-gradient(130deg,#e9f5ff,#fff)!important}
.category-card:nth-child(3n+2):hover{background:linear-gradient(130deg,#f4edff,#fff)!important}
.category-card:nth-child(3n):hover{background:linear-gradient(130deg,#e9fff4,#fff)!important}
.ex-course{background:linear-gradient(130deg,#dfe8ff,#f5f3ff)}
.ex-books{background:linear-gradient(130deg,#e9e0ff,#fff7ea)}
.ex-play{background:linear-gradient(130deg,#cefae7,#f2fff6)}
.ex-tricks{background:linear-gradient(130deg,#d9f2ff,#f5e9ff)}
.explore-card{border:1px solid #e2e9f7}
.explore-card:after{content:"";position:absolute;inset:auto 18px 12px;height:4px;border-radius:4px;background:var(--etg-spectrum);opacity:.75}
.business-wrap{background:linear-gradient(115deg,#2451ba,#694cdd 46%,#159f80)}
/* Portal explorer — only opacity & transform move; no 3D/WebGL or video assets. */
.portal-section{background:linear-gradient(145deg,#eef7ff 0%,#f3efff 50%,#e9fff5 100%);position:relative;overflow:hidden}
.portal-section::before{content:"";position:absolute;pointer-events:none;left:-150px;top:6%;width:370px;height:370px;border-radius:50%;background:radial-gradient(circle,#b8dfff90,transparent 72%)}
.portal-heading{position:relative;z-index:1}.portal-layout{display:grid;grid-template-columns:minmax(230px,.38fr) minmax(0,1fr);gap:18px;position:relative}
.portal-options{display:flex;flex-direction:column;gap:14px;justify-content:center}
.world-choice{display:grid;grid-template-columns:25px 56px 1fr 17px;gap:10px;align-items:center;text-align:left;min-height:102px;background:#ffffffc7;border:1px solid #dce6f7;border-radius:22px;padding:18px 17px;box-shadow:0 8px 25px #4b67bd11;transition:transform .25s,box-shadow .25s,border-color .25s;color:#24345d}
.world-choice:hover{transform:translateX(4px);box-shadow:0 14px 32px #6e73bc28}
.world-choice.is-current{border-color:#a9a2f2;box-shadow:0 12px 28px #777ed02a;background:linear-gradient(105deg,#fff,#f3f3ff)}
.choice-number{font-size:.65rem;color:#8f9cb6;font-weight:900}.choice-symbol{width:55px;height:55px;border-radius:18px;background:linear-gradient(135deg,#138ef1,#6952e6);color:#fff;display:grid;place-items:center;font-size:1.25rem;font-weight:900}
.world-choice[data-world=design] .choice-symbol{background:linear-gradient(135deg,#9b59ed,#ef80c8)}
.world-choice[data-world=tools] .choice-symbol{background:linear-gradient(135deg,#08abc5,#13ba7e)}
.choice-text{display:grid;gap:3px}.choice-text strong{font-size:.99rem;line-height:1.2}.choice-text small{color:#7183a0;font-size:.75rem}.choice-arrow{font-size:1.12rem;color:#8b71d4}
.portal-helper{font-size:.75rem;color:#71819c;padding:4px 8px;margin:3px 0 0}
.world-stage{--world-a:#2794f3;--world-b:#8258ea;--world-c:#22c5a3;position:relative;overflow:hidden;isolation:isolate;display:grid;grid-template-columns:minmax(230px,46%) minmax(0,1fr);align-items:center;min-height:464px;background:linear-gradient(133deg,#e0f5ff 0%,#f6ecff 51%,#e1ffef 100%);border:1px solid #fff;border-radius:29px;box-shadow:0 22px 60px #506bd321}
.world-stage[data-world=design]{--world-a:#a34ee9;--world-b:#e17ba9;--world-c:#6f86f1;background:linear-gradient(140deg,#f4e5ff,#fceaff 45%,#e5f4ff)}
.world-stage[data-world=tools]{--world-a:#02aeb8;--world-b:#1cbe7e;--world-c:#5596ec;background:linear-gradient(140deg,#dffaff,#e2fff0 54%,#e9edff)}
.stage-sky{position:absolute;inset:0;z-index:-1;background-image:radial-gradient(#7a91c557 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(90deg,#000,transparent 90%)}
.stage-horizon{position:absolute;z-index:-1;inset:auto -12% -72% -12%;height:100%;border-radius:50%;background:radial-gradient(ellipse, color-mix(in srgb,var(--world-a) 19%,transparent),transparent 68%)}
.stage-star{position:absolute;width:6px;height:6px;background:var(--world-b);border-radius:50%;box-shadow:0 0 0 7px #ffffff70;animation:portalSpark 4s ease-in-out infinite}
.star-a{top:14%;left:11%}.star-b{top:25%;left:48%;animation-delay:-1.5s}.star-c{bottom:17%;left:43%;animation-delay:-3s}.star-d{top:8%;right:16%;animation-delay:-.6s}.star-e{bottom:12%;right:8%;animation-delay:-2.5s}
.stage-gateway{width:min(300px,88%);aspect-ratio:1;justify-self:center;align-self:center;position:relative;display:grid;place-items:center;filter:drop-shadow(0 22px 21px #5867b528)}
.gateway-aura{position:absolute;inset:9%;border-radius:50%;background:radial-gradient(circle,#fffdfb 7%,var(--world-c) 36%,var(--world-a) 57%,transparent 72%);opacity:.55}
.gateway-ring{position:absolute;border-radius:50%;border:2px solid #ffffffbc;box-shadow:0 0 0 5px #ffffff38,inset 0 0 23px #ffffff90;transform:rotate(0deg);animation:portalRotate 18s linear infinite}
.ring-outer{inset:0;border-width:9px;border-style:double;border-color:var(--world-a) var(--world-b) var(--world-c) var(--world-b)}
.ring-inner{inset:14%;border-width:6px;border-style:dashed;border-color:#ffffffeb var(--world-c) #ffffffd9 var(--world-a);animation-direction:reverse;animation-duration:26s}
.gateway-center{position:relative;z-index:1;width:48%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--world-a),var(--world-b),var(--world-c));border:6px solid #ffffff6e;box-shadow:inset 0 10px 15px #ffffff38,0 14px 38px #566ca14f;color:#fff;font:900 clamp(1.75rem,4vw,3rem)/1.1 ui-monospace,Consolas,monospace;transition:transform .35s ease}
.gateway-spark{position:absolute;width:15px;height:15px;background:#fff;border-radius:50%;box-shadow:0 0 0 8px #ffffff37,0 0 24px var(--world-c)}.spark-a{top:7%;left:20%}.spark-b{bottom:11%;right:7%}
.stage-content{position:relative;padding:26px 36px 26px 0;max-width:420px;color:#26315f}
.stage-label{letter-spacing:.18em;color:#6662aa;font-size:.7rem;font-weight:860}.stage-content h3{font-size:clamp(2rem,3.5vw,3rem);margin:15px 0 16px;line-height:1.08}.stage-content p{color:#626c8a;line-height:1.7;margin-bottom:16px;font-size:.91rem}.stage-tags{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 21px}.stage-tags span{background:#ffffffdb;color:#585c9a;border-radius:40px;padding:5px 11px;font-size:.66rem;font-weight:840;border:1px solid #fff}
.stage-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}.stage-primary{background:linear-gradient(115deg,var(--world-a),var(--world-b),var(--world-c));color:white;font-size:.8rem;white-space:normal}.stage-secondary{color:#6655be;font-size:.8rem;font-weight:850}.stage-secondary:hover{text-decoration:underline}
.world-stage.is-switching .gateway-center{animation:portalStep .42s ease both}.world-stage.is-switching .stage-content{animation:portalContent .42s ease both}
@keyframes portalRotate{to{transform:rotate(360deg)}}
@keyframes portalSpark{0%,100%{opacity:.45;transform:scale(.75)}50%{opacity:1;transform:scale(1.25)}}
@keyframes portalStep{0%{transform:scale(.88);opacity:.7}64%{transform:scale(1.17)}100%{transform:scale(1);opacity:1}}
@keyframes portalContent{0%{opacity:.15;transform:translateY(9px)}100%{opacity:1;transform:translateY(0)}}
/* Refined footer: compact logo and subtle spectrum band */
.footer{position:relative;background:linear-gradient(150deg,#f1f7ff 0%,#f4f0ff 49%,#edfff5 100%);border-top:0}
.footer::before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--etg-spectrum)}
.footer-main{gap:clamp(22px,5vw,68px);padding-top:52px;padding-bottom:32px}
.footer-logo{display:inline-flex;padding:7px 10px;border-radius:13px;background:#fff;box-shadow:0 8px 25px #6078bb19;border:1px solid #ffffff}
.footer-logo .official-logo{width:112px!important;max-width:112px!important;height:auto!important;background:transparent;border-radius:5px}
.footer-brand p{max-width:310px;margin:12px 0 13px}
.footer-group h3{color:#404d83}.footer-group a{color:#58698d}
.footer-email{color:#6455d2}.social-list a:hover{background:#ebe7ff;color:#5a4ac5}
body[data-theme=dark] .portal-section{background:linear-gradient(135deg,#202a46,#322a50,#1d4545)}
body[data-theme=dark] .world-stage,body[data-theme=dark] .world-stage[data-world=design],body[data-theme=dark] .world-stage[data-world=tools]{background:linear-gradient(115deg,#273e5e,#3e315e,#294d4c);border-color:#40516d}
body[data-theme=dark] .world-choice,body[data-theme=dark] .world-choice.is-current{background:#28344d;color:#f0f2ff;border-color:#52678a}
body[data-theme=dark] .stage-content{color:#f2f4ff}body[data-theme=dark] .stage-content p,body[data-theme=dark] .choice-text small,body[data-theme=dark] .portal-helper{color:#bcc9e2}
body[data-theme=dark] .stage-tags span{background:#42516e;color:#eef5ff;border-color:#6b7c9b}
body[data-theme=dark] .footer{background:linear-gradient(135deg,#202943,#2a2345,#1b3b3b)}body[data-theme=dark] .footer-group h3{color:#edf4ff}body[data-theme=dark] .footer-group a{color:#b3c6e2}
@media(max-width:1020px){.portal-layout{grid-template-columns:minmax(200px,.38fr) minmax(0,1fr)}.world-stage{grid-template-columns:40% 60%;min-height:450px}.stage-gateway{width:min(270px,100%)}.stage-content{padding-right:20px}.world-choice{grid-template-columns:18px 40px 1fr 14px;padding:14px 10px;min-height:90px}.choice-symbol{width:41px;height:41px;font-size:.99rem}.choice-text strong{font-size:.84rem}}
@media(max-width:780px){.portal-layout{grid-template-columns:1fr}.portal-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.world-choice{display:flex;flex-direction:column;align-items:flex-start;min-height:140px;padding:12px}.choice-number,.choice-arrow{display:none}.choice-text small{font-size:.7rem}.portal-helper{grid-column:1/-1;text-align:center}.world-stage{grid-template-columns:42% 58%}.stage-content h3{font-size:clamp(1.7rem,3.5vw,2.5rem)}}
@media(max-width:590px){.announcement{font-size:.56rem;letter-spacing:.06em}.portal-section{padding:68px 0}.portal-heading{margin-bottom:23px}.portal-heading .section-pill{display:none}.portal-options{gap:7px}.world-choice{min-height:115px;gap:8px;padding:10px;border-radius:15px}.choice-symbol{width:34px;height:34px;border-radius:10px;font-size:.8rem}.choice-text strong{font-size:.75rem}.choice-text small{font-size:.62rem}.portal-helper{font-size:.7rem}.world-stage{grid-template-columns:1fr;border-radius:23px;padding:13px 12px 26px;min-height:unset}.stage-gateway{width:min(240px,68%);margin:10px auto 5px}.stage-content{padding:4px 14px 0;text-align:center;margin:auto}.stage-content h3{font-size:2rem;margin:12px 0}.stage-content p{font-size:.86rem}.stage-tags,.stage-actions{justify-content:center}.footer-logo .official-logo{width:102px!important;max-width:102px!important}.footer-main{gap:25px}}
@media(max-width:350px){.world-choice{min-height:128px;padding:9px 7px}.choice-text strong{font-size:.66rem}.choice-text small{font-size:.58rem}.stage-primary{font-size:.7rem;min-height:43px}}
@media(prefers-reduced-motion:reduce){.gateway-ring,.stage-star,.world-stage.is-switching .gateway-center,.world-stage.is-switching .stage-content{animation:none!important}.world-choice{transition:none}}
body.motion-paused .gateway-ring,body.motion-paused .stage-star,body.motion-paused .world-stage.is-switching .gateway-center,body.motion-paused .world-stage.is-switching .stage-content{animation:none!important}