/* NBT Lab STEP223 | Scoped version of user-approved STEP222 animation | No global SEO styles. */
.nbt-story,.nbt-story *, .nbt-story *::before,.nbt-story *::after{box-sizing:border-box}
.nbt-story{color-scheme:dark;--nbt-ink:#eaf6ee;--nbt-muted:#b3c4bc;--nbt-plate:#0b1817;--nbt-top:#102525;--nbt-stroke:rgba(176,237,214,.17);--nbt-gold:#f5c88a;--nbt-green:#91e4c1;--nbt-red:#ff7775}
.nbt-story{position:relative;isolation:isolate;overflow:hidden;contain:layout paint style;width:min(100%,520px);height:454px;border-radius:26px;border:1px solid var(--nbt-stroke);color:var(--nbt-ink);background:radial-gradient(ellipse at 53% 32%,rgba(84,168,135,.10),transparent 64%),linear-gradient(148deg,var(--nbt-top),var(--nbt-plate) 76%);box-shadow:0 22px 70px rgba(0,0,0,.31),inset 0 1px 0 rgba(255,255,255,.04);font-size:14px}
.nbt-story::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(rgba(134,237,198,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(134,237,198,.04) 1px,transparent 1px);background-size:27px 27px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 82%);pointer-events:none}
.nbt-story::after{content:"";position:absolute;inset:0;z-index:8;border-radius:inherit;box-shadow:inset 0 0 68px rgba(3,8,7,.22);pointer-events:none}
.nbt-story .story-top{position:absolute;left:25px;right:25px;top:22px;display:flex;align-items:center;justify-content:space-between;gap:10px;z-index:10}
.nbt-story .story-brand{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:.17em;font-weight:700;color:var(--nbt-muted);text-transform:uppercase}
.nbt-story .story-pulse{width:7px;height:7px;border-radius:50%;background:var(--nbt-green);box-shadow:0 0 13px var(--nbt-green);animation:nbt-breathe 3s ease-in-out infinite}
.nbt-story .story-top-note{font-size:10px;letter-spacing:.13em;color:var(--nbt-muted);font-variant-numeric:tabular-nums;text-transform:uppercase}
.nbt-story .scene{--accent:var(--nbt-green);position:absolute;inset:65px 0 50px;display:flex;flex-direction:column;justify-content:space-between;align-items:center;opacity:0;pointer-events:none;animation:nbt-scene-cycle 30s ease-in-out infinite;animation-delay:calc(var(--i) * 5s);will-change:opacity,transform}
.nbt-story .scene-one{--accent:#ff7972}
.nbt-story .scene-two{--accent:#77bcff}
.nbt-story .scene-three{--accent:#8ed8e7}
.nbt-story .scene-four{--accent:#ffd58f}
.nbt-story .scene-five{--accent:#9cbcff}
.nbt-story .scene-six{--accent:#74e8a8}
.nbt-story .scene-view{position:relative;flex:1;width:100%;min-height:0;display:flex;justify-content:center;align-items:center}
.nbt-story .scene-view::before{content:"";position:absolute;width:300px;height:215px;left:50%;top:50%;transform:translate(-50%,-49%);background:radial-gradient(ellipse at 50% 50%,color-mix(in srgb,var(--accent),transparent 90%),transparent 71%);pointer-events:none}
.nbt-story .scene-text{text-align:center;width:100%;padding:0 22px 17px;position:relative;z-index:5}
.nbt-story .scene-number{display:inline-block;margin-bottom:8px;border:1px solid color-mix(in srgb,var(--accent),transparent 57%);background:color-mix(in srgb,var(--accent),transparent 90%);border-radius:100px;padding:5px 10px;font-size:10px;letter-spacing:.13em;font-weight:700;color:var(--accent)}
.nbt-story .scene-text h2{margin:0;color:var(--nbt-ink);font-size:clamp(23px,5vw,29px);line-height:1.15;letter-spacing:-.035em;font-weight:750}
.nbt-story .scene-text p{max-width:420px;margin:9px auto 0;color:var(--nbt-muted);font-size:13px;line-height:1.45;letter-spacing:0}
.nbt-story .story-progress{position:absolute;left:26px;right:26px;bottom:20px;display:grid;grid-template-columns:repeat(6,1fr);gap:7px;z-index:10}
.nbt-story .story-progress span{display:block;height:4px;border-radius:100px;background:rgba(180,225,205,.16);position:relative;overflow:hidden}
.nbt-story .story-progress span::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(90deg,var(--nbt-gold),var(--nbt-green));opacity:0;transform:scaleX(0);transform-origin:left center;animation:nbt-progress-fill 30s linear infinite;animation-delay:calc(var(--i) * 5s)}
.nbt-story .scene-ill{position:relative;display:grid;place-items:center;width:300px;height:235px;max-width:94%;}
.nbt-story .floating{animation:nbt-float 4s ease-in-out infinite}
.nbt-story .error-browser{position:absolute;left:23px;top:62px;width:224px;height:140px;border-radius:15px;background:#111d21;border:1px solid rgba(252,131,124,.50);box-shadow:0 16px 35px rgba(0,0,0,.35),0 0 38px rgba(255,85,75,.09);transform:rotate(-4deg);animation:nbt-error-shake .7s ease-in-out infinite}
.nbt-story .error-browser .bar,.nbt-story .diagnose-panel .bar,.nbt-story .coding-window .bar{position:absolute;top:0;left:0;right:0;height:26px;border-bottom:1px solid rgba(255,255,255,.09);display:flex;align-items:center;gap:5px;padding-left:13px}
.nbt-story .error-browser .bar i,.nbt-story .diagnose-panel .bar i,.nbt-story .coding-window .bar i{height:6px;width:6px;border-radius:50%;background:#e56f68}
.nbt-story .error-browser .bar i:nth-child(2),.nbt-story .diagnose-panel .bar i:nth-child(2),.nbt-story .coding-window .bar i:nth-child(2){background:#f2c77d}
.nbt-story .error-browser .bar i:nth-child(3),.nbt-story .diagnose-panel .bar i:nth-child(3),.nbt-story .coding-window .bar i:nth-child(3){background:#7ad3ac}
.nbt-story .alert-symbol{position:absolute;left:17px;top:46px;width:54px;height:54px;border-radius:15px;background:rgba(255,99,93,.12);border:1px solid rgba(255,99,93,.55);box-shadow:0 0 24px rgba(255,57,52,.16);display:grid;place-items:center;font-size:31px;font-weight:800;color:#ff7772;animation:nbt-alert-pulse 1.2s ease-in-out infinite}
.nbt-story .error-lines{position:absolute;left:84px;top:51px;display:grid;gap:9px;width:116px}
.nbt-story .error-lines span{height:7px;border-radius:3px;background:#384a50}
.nbt-story .error-lines span:first-child{width:96%;background:rgba(250,104,95,.6)}
.nbt-story .error-lines span:nth-child(2){width:70%}
.nbt-story .error-lines span:nth-child(3){width:85%}
.nbt-story .error-browser .error-caption{position:absolute;bottom:13px;left:18px;color:#fb9b91;font-size:10px;letter-spacing:.1em;font-weight:800}
.nbt-story .face{position:absolute;border:1px solid rgba(255,255,255,.17);border-radius:50%;box-shadow:0 10px 25px rgba(0,0,0,.26);background:radial-gradient(circle at 35% 23%,#f9d8aa,#ecab79 74%)}
.nbt-story .face-worried{width:93px;height:93px;top:8px;right:2px;transform:rotate(9deg)}
.nbt-story .face .eye{position:absolute;width:8px;height:11px;border-radius:50%;background:#342d30;top:34px}
.nbt-story .face .eye.a{left:25px}
.nbt-story .face .eye.b{right:25px}
.nbt-story .face .mouth{position:absolute;width:25px;height:14px;left:50%;transform:translateX(-50%);border-top:4px solid #5f3c37;border-radius:50%;bottom:19px}
.nbt-story .face-worried .eyebrow{position:absolute;top:24px;width:19px;height:3px;background:#5c3e38;border-radius:4px}
.nbt-story .face-worried .eyebrow.left{left:18px;transform:rotate(20deg)}
.nbt-story .face-worried .eyebrow.right{right:18px;transform:rotate(-20deg)}
.nbt-story .alert-ping{position:absolute;top:29px;left:0;padding:8px 11px;border:1px solid rgba(255,126,117,.36);border-radius:10px;background:rgba(61,24,28,.87);color:#ff928b;font-weight:800;font-size:12px;transform:rotate(-9deg);animation:nbt-float 2.2s ease-in-out infinite}
.nbt-story .message-bubble{position:absolute;border:1px solid rgba(122,195,255,.26);border-radius:17px;background:#172d36;box-shadow:0 11px 25px rgba(0,0,0,.2)}
.nbt-story .message-bubble.one{width:212px;height:68px;left:42px;top:39px;transform:rotate(-4deg)}
.nbt-story .message-bubble.two{width:182px;height:58px;right:19px;top:143px;transform:rotate(4deg);background:#15332d;border-color:rgba(111,232,175,.25)}
.nbt-story .message-bubble .bubble-dot{position:absolute;top:18px;left:16px;width:35px;height:35px;border-radius:50%;background:#348ed5;display:grid;place-items:center;font-size:17px;color:white}
.nbt-story .message-bubble.two .bubble-dot{background:#2f9f7c}
.nbt-story .message-bubble .bubble-line{position:absolute;top:23px;left:62px;width:105px;height:6px;border-radius:10px;background:#69919f}
.nbt-story .message-bubble .bubble-line.small{top:37px;width:72px;opacity:.55}
.nbt-story .message-bubble.two .bubble-line{background:#72b79a}
.nbt-story .channels{position:absolute;top:99px;left:45px;right:45px;display:flex;align-items:center;justify-content:center;gap:11px;z-index:2}
.nbt-story .channel{width:66px;height:66px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;border-radius:18px;border:1px solid rgba(255,255,255,.17);background:#142528;box-shadow:0 10px 20px rgba(0,0,0,.20);font-size:12px;font-weight:750;letter-spacing:-.02em;animation:nbt-channel-bob 2.8s ease-in-out infinite}
.nbt-story .channel:nth-child(2){animation-delay:.3s}
.nbt-story .channel:nth-child(3){animation-delay:.6s}
.nbt-story .channel .channel-mark{height:29px;display:grid;place-items:center;color:white;font-size:22px;line-height:1}
.nbt-story .channel.tg{border-color:rgba(70,174,250,.5);background:linear-gradient(145deg,#155582,#102a40)}
.nbt-story .channel.max{border-color:rgba(164,139,255,.55);background:linear-gradient(145deg,#533a9d,#282045)}
.nbt-story .channel.form{border-color:rgba(107,226,168,.5);background:linear-gradient(145deg,#195d45,#102e25)}
.nbt-story .channel.max .channel-mark{font-size:16px;font-weight:900}
.nbt-story .channel.form .channel-mark{font-size:25px}
.nbt-story .diagnose-panel{position:absolute;width:218px;height:156px;top:43px;left:40px;border-radius:17px;border:1px solid rgba(143,221,240,.36);background:linear-gradient(150deg,#152b33,#0a181d);box-shadow:0 14px 30px #0005;transform:rotate(-3deg)}
.nbt-story .diagnose-row{position:absolute;left:17px;right:18px;height:15px;border-radius:6px;background:rgba(140,207,221,.10);display:flex;align-items:center;gap:9px;padding-left:9px}
.nbt-story .diagnose-row:nth-of-type(2){top:40px}
.nbt-story .diagnose-row:nth-of-type(3){top:63px}
.nbt-story .diagnose-row:nth-of-type(4){top:86px}
.nbt-story .diagnose-row:nth-of-type(5){top:109px}
.nbt-story .diagnose-row i{width:6px;height:6px;border-radius:50%;background:#85ddc7}
.nbt-story .diagnose-row b{display:block;width:72%;height:4px;border-radius:10px;background:#5e96a1}
.nbt-story .diagnose-row:nth-of-type(3) b{width:54%}
.nbt-story .diagnose-row:nth-of-type(4) b{width:84%}
.nbt-story .magnifier{position:absolute;top:56px;right:14px;width:112px;height:112px;border:9px solid #9adfe9;border-radius:50%;box-shadow:0 0 0 7px rgba(113,205,228,.08),inset 0 0 30px rgba(97,186,215,.18);animation:nbt-scan 3.3s ease-in-out infinite;z-index:4}
.nbt-story .magnifier::after{content:"";position:absolute;width:58px;height:13px;border-radius:12px;background:linear-gradient(90deg,#8accdc,#446e86);left:83px;top:88px;transform:rotate(45deg);transform-origin:left center;box-shadow:0 3px 10px #0007}
.nbt-story .scan-label{position:absolute;left:20px;bottom:7px;color:#a2e9f0;font-size:12px;font-weight:800;letter-spacing:.14em}
.nbt-story .bulb{position:absolute;left:32px;top:37px;width:114px;height:127px;display:grid;place-items:center}
.nbt-story .bulb-glass{position:absolute;top:10px;width:86px;height:92px;border-radius:50% 50% 42% 42%;background:radial-gradient(circle at 50% 34%,#fff9c7,#ffd578 45%,#c78938 82%);box-shadow:0 0 30px rgba(255,209,115,.35),0 0 77px rgba(255,196,104,.17);animation:nbt-bulb 2.5s ease-in-out infinite}
.nbt-story .bulb-glass::after{content:"";position:absolute;inset:20px 26px 27px;border:3px solid rgba(137,93,35,.75);border-top:0;border-radius:0 0 60% 60%}
.nbt-story .bulb-base{position:absolute;bottom:9px;width:52px;height:31px;border-radius:6px 6px 15px 15px;background:repeating-linear-gradient(to bottom,#e9bc70 0 6px,#ac7d46 7px 10px);box-shadow:0 3px 7px #0005}
.nbt-story .bulb-ray{position:absolute;width:22px;height:4px;border-radius:10px;background:#ffd990;box-shadow:0 0 12px #ffbc5c;transform-origin:center}
.nbt-story .bulb-ray.r1{top:21px;left:-3px;transform:rotate(35deg)}
.nbt-story .bulb-ray.r2{top:21px;right:-3px;transform:rotate(-35deg)}
.nbt-story .bulb-ray.r3{top:-5px;left:46px;transform:rotate(90deg)}
.nbt-story .plan-card{position:absolute;width:165px;height:147px;right:15px;top:49px;border-radius:16px;background:#182927;border:1px solid rgba(255,213,143,.33);box-shadow:0 16px 28px rgba(0,0,0,.27);transform:rotate(5deg);padding:19px 16px}
.nbt-story .plan-label{font-size:11px;color:#fbd59c;font-weight:800;letter-spacing:.13em;margin-bottom:17px}
.nbt-story .plan-row{display:flex;align-items:center;gap:9px;margin:12px 0}
.nbt-story .plan-row i{width:15px;height:15px;border-radius:50%;background:#2d6f58;color:#b1ffd5;font-size:11px;font-style:normal;text-align:center;line-height:15px}
.nbt-story .plan-row b{height:5px;border-radius:6px;background:#667f77;width:77%}
.nbt-story .plan-row:nth-child(3) b{width:58%}
.nbt-story .plan-row:nth-child(4) b{width:67%}
.nbt-story .coding-window{position:absolute;width:245px;height:166px;left:28px;top:38px;background:linear-gradient(155deg,#152639,#0c1827);border:1px solid rgba(149,187,253,.35);border-radius:17px;box-shadow:0 15px 30px rgba(0,0,0,.36);overflow:hidden}
.nbt-story .code-symbol{position:absolute;left:22px;top:45px;font-size:43px;font-weight:800;color:#94b6f5;letter-spacing:-.07em}
.nbt-story .code-list{position:absolute;left:119px;top:55px;display:grid;gap:12px}
.nbt-story .code-list i{display:block;width:90px;height:7px;border-radius:4px;background:#577eaa}
.nbt-story .code-list i:nth-child(2){width:66px;background:#8dc9b6}
.nbt-story .code-list i:nth-child(3){width:78px}
.nbt-story .code-list i:nth-child(4){width:56px;background:#d8b37e}
.nbt-story .progress-track{position:absolute;left:23px;right:24px;bottom:22px;height:10px;border-radius:10px;background:#263e50;overflow:hidden}
.nbt-story .progress-fill{height:100%;width:100%;background:linear-gradient(90deg,#529dd8,#87e3b2);transform:scaleX(.12);transform-origin:left center;animation:nbt-build-progress 4.9s ease-in-out infinite;border-radius:inherit}
.nbt-story .gear{position:absolute;right:2px;top:12px;width:71px;height:71px;border-radius:50%;border:9px dashed #84b3ed;background:#223b58;box-shadow:inset 0 0 0 11px #142b42,0 0 21px rgba(122,182,246,.17);animation:nbt-gear 8s linear infinite}
.nbt-story .gear::after{content:"";position:absolute;inset:14px;border-radius:50%;background:#6eaddf}
.nbt-story .test-stamp{position:absolute;right:3px;bottom:6px;border:1px solid rgba(114,232,174,.6);border-radius:11px;background:#10372b;color:#a1f5c1;padding:8px 12px;transform:rotate(7deg);font-size:12px;font-weight:800;letter-spacing:.04em}
.nbt-story .success-plate{position:absolute;top:35px;left:37px;width:218px;height:171px;border-radius:17px;border:1px solid rgba(104,233,159,.35);background:linear-gradient(150deg,#133429,#0d231c);box-shadow:0 0 45px rgba(92,228,157,.12),0 16px 30px rgba(0,0,0,.27)}
.nbt-story .growth-bars{position:absolute;bottom:20px;right:18px;display:flex;align-items:flex-end;gap:11px;height:106px}
.nbt-story .growth-bars i{display:block;width:24px;border-radius:7px 7px 0 0;background:linear-gradient(#a5f8be,#269b6b);box-shadow:0 0 13px rgba(113,238,157,.15);animation:nbt-grow 1.8s ease-out both;transform-origin:bottom}
.nbt-story .growth-bars i:nth-child(1){height:32px}
.nbt-story .growth-bars i:nth-child(2){height:56px;animation-delay:.22s}
.nbt-story .growth-bars i:nth-child(3){height:81px;animation-delay:.44s}
.nbt-story .growth-bars i:nth-child(4){height:102px;animation-delay:.65s}
.nbt-story .growth-arrow{position:absolute;right:19px;top:10px;color:#9cfdc3;font-size:26px;font-weight:900;animation:nbt-float 2s ease-in-out infinite}
.nbt-story .face-happy{width:115px;height:115px;left:10px;top:14px;z-index:2;transform:rotate(-10deg);box-shadow:0 10px 35px rgba(0,0,0,.4),0 0 20px rgba(255,213,142,.11)}
.nbt-story .face-happy .eye{top:37px;width:9px;height:12px}
.nbt-story .face-happy .eye.a{left:31px}
.nbt-story .face-happy .eye.b{right:31px}
.nbt-story .face-happy .mouth{top:66px;bottom:auto;width:45px;height:24px;border-top:0;border-bottom:5px solid #814b40;border-radius:10% 10% 60% 60%}
.nbt-story .success-label{position:absolute;left:17px;bottom:17px;border-radius:7px;background:#286a4b;color:#c1ffdc;padding:5px 10px;font-weight:850;letter-spacing:.08em;font-size:10px}
.nbt-story .confetti{position:absolute;left:50%;top:36%;width:5px;height:12px;border-radius:2px;background:#f7c578;opacity:0;animation:nbt-confetti 2.7s ease-out infinite;animation-delay:var(--delay);transform:translate3d(0,0,0) rotate(0deg)}
.nbt-story .confetti:nth-of-type(2n){background:#88edbf}
.nbt-story .confetti:nth-of-type(3n){background:#76bdf7}
.nbt-story .confetti:nth-of-type(4n){background:#fd9caf}
.nbt-story .confetti:nth-of-type(1){--dx:-145px;--dy:-85px;--angle:75deg}
.nbt-story .confetti:nth-of-type(2){--dx:-105px;--dy:-123px;--angle:150deg}
.nbt-story .confetti:nth-of-type(3){--dx:-60px;--dy:-148px;--angle:220deg}
.nbt-story .confetti:nth-of-type(4){--dx:8px;--dy:-162px;--angle:270deg}
.nbt-story .confetti:nth-of-type(5){--dx:79px;--dy:-138px;--angle:150deg}
.nbt-story .confetti:nth-of-type(6){--dx:135px;--dy:-103px;--angle:95deg}
.nbt-story .confetti:nth-of-type(7){--dx:154px;--dy:-30px;--angle:240deg}
.nbt-story .confetti:nth-of-type(8){--dx:118px;--dy:63px;--angle:380deg}
.nbt-story .confetti:nth-of-type(9){--dx:45px;--dy:91px;--angle:210deg}
.nbt-story .confetti:nth-of-type(10){--dx:-47px;--dy:73px;--angle:120deg}
.nbt-story .confetti:nth-of-type(11){--dx:-112px;--dy:45px;--angle:320deg}
.nbt-story .confetti:nth-of-type(12){--dx:156px;--dy:48px;--angle:430deg}
@keyframes nbt-scene-cycle{0%{opacity:0;transform:translate3d(20px,0,0) scale(.985)}1.6%,14.1%{opacity:1;transform:translate3d(0,0,0) scale(1)}16.6%,100%{opacity:0;transform:translate3d(-20px,0,0) scale(.987)}}
@keyframes nbt-progress-fill{0%{opacity:1;transform:scaleX(0)}14.1%{opacity:1;transform:scaleX(1)}16.6%,100%{opacity:0;transform:scaleX(1)}}
@keyframes nbt-float{0%,100%{translate:0 0}50%{translate:0 -8px}}
@keyframes nbt-breathe{50%{opacity:.45;box-shadow:0 0 4px var(--nbt-green)}}
@keyframes nbt-error-shake{0%,100%{translate:0 0}12%{translate:-2px 1px}28%{translate:2px -1px}50%{translate:1px 1px}72%{translate:-1px 0}}
@keyframes nbt-alert-pulse{50%{box-shadow:0 0 39px rgba(255,57,52,.35)}}
@keyframes nbt-channel-bob{0%,100%{translate:0 0}50%{translate:0 -5px}}
@keyframes nbt-scan{0%,100%{transform:translate(-13px,14px)}50%{transform:translate(7px,-14px)}}
@keyframes nbt-bulb{0%,100%{filter:brightness(.88)}50%{filter:brightness(1.2)}}
@keyframes nbt-build-progress{0%{transform:scaleX(.11)}80%,100%{transform:scaleX(1)}}
@keyframes nbt-gear{to{transform:rotate(360deg)}}
@keyframes nbt-grow{from{transform:scaleY(.1)}to{transform:scaleY(1)}}
@keyframes nbt-confetti{0%{opacity:0;transform:translate3d(0,0,0) rotate(0deg) scale(.4)}10%,45%{opacity:1}87%,100%{opacity:0;transform:translate3d(var(--dx),var(--dy),0) rotate(var(--angle)) scale(1.2)}}
@media (max-width:480px){.nbt-story{height:421px;border-radius:20px}
.nbt-story .story-top{top:18px;left:17px;right:17px}
.nbt-story .story-brand,.nbt-story .story-top-note{font-size:9px}
.nbt-story .scene{inset:61px 0 48px}
.nbt-story .scene-ill{transform:scale(.85);flex:none;margin:auto}
.nbt-story .scene-text{padding:0 17px 8px}
.nbt-story .scene-text h2{font-size:23px}
.nbt-story .scene-text p{font-size:12px;line-height:1.4}
.nbt-story .scene-number{margin-bottom:7px}
.nbt-story .story-progress{left:18px;right:18px;bottom:18px;gap:5px}}
@media (max-width:340px){.nbt-story{height:403px}
.nbt-story .scene-ill{transform:scale(.75)}
.nbt-story .scene-text h2{font-size:21px}
.nbt-story .scene-text p{font-size:11px}
.nbt-story .scene{inset:56px 0 43px}}
@media (prefers-reduced-motion:reduce){.nbt-story *, .nbt-story *::before, .nbt-story *::after{animation:none!important;transition:none!important}
.nbt-story .scene{opacity:0;visibility:hidden;transform:none}
.nbt-story .scene-one{opacity:1;visibility:visible}
.nbt-story .story-progress span:first-child::after{opacity:1;transform:scaleX(1)}}
html[data-theme="light"] .nbt-story{--nbt-ink:#172a23;--nbt-muted:#526b5e;--nbt-plate:#e9f3ed;--nbt-top:#f7fbf8;--nbt-stroke:rgba(47,86,69,.21);color-scheme:light;box-shadow:0 20px 46px rgba(22,49,36,.12)}
html[data-theme="light"] .nbt-story .error-browser{background:#eaf0ed}
html[data-theme="light"] .nbt-story .message-bubble{background:#e4eef5}
html[data-theme="light"] .nbt-story .message-bubble.two{background:#dcefe4}
html[data-theme="light"] .nbt-story .diagnose-panel{background:#deeff0}
html[data-theme="light"] .nbt-story .plan-card{background:#eaf3e8}
html[data-theme="light"] .nbt-story .coding-window{background:#dae9f6}
html[data-theme="light"] .nbt-story .success-plate{background:#dcf4e5}
html[data-theme="light"] .nbt-story .code-symbol{color:#376b99}
html[data-theme="light"] .nbt-story .story-progress span{background:rgba(52,79,61,.17)}

/* STEP223 layout fit: only the selected photo area of the current HERO */
.hero .portrait.nbt-story-portrait{min-height:0!important;height:auto!important;display:block!important;overflow:visible!important;background:transparent!important;place-items:unset!important}
.hero .portrait.nbt-story-portrait .nbt-story{display:block;width:100%;max-width:100%;margin:0;font-size:14px;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
@media(max-width:480px){.hero .portrait.nbt-story-portrait .nbt-story{height:421px}}
@media(max-width:340px){.hero .portrait.nbt-story-portrait .nbt-story{height:403px}}