body{display:flex;min-height:100vh;flex-direction:column}.main{flex:1;padding:58px 0 74px}.intro{max-width:930px;margin:0 auto 31px;text-align:center}.intro h1{margin:18px auto 14px;font-size:clamp(2.65rem,7vw,4.8rem)}.crumbs{margin-bottom:18px;color:var(--muted);font-size:.82rem}.crumbs a{color:var(--primary);font-weight:750}
.neon-studio{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(350px,.82fr);max-width:1160px;margin:auto;border:1px solid var(--border);border-radius:30px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.preview-side{min-width:0;padding:18px;background:#ebe9f3}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;height:40px;padding:0 4px 12px;color:#67657a;font-size:.76rem;font-weight:850;letter-spacing:.04em;text-transform:uppercase}.preview-toolbar span{display:flex;align-items:center;gap:8px}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22e6c3;box-shadow:0 0 0 5px #22e6c31b}.preview-toolbar button{padding:6px 9px;border:0;border-radius:8px;color:#67657a;background:#fff;font-size:.71rem;font-weight:850}.neon-room{--room:#100b22;--glow:#22f7ff;position:relative;display:grid;place-items:center;min-height:568px;padding:70px 34px;border-radius:21px;background-color:var(--room);background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px),radial-gradient(circle at 50% 42%,color-mix(in srgb,var(--glow) 18%,transparent),transparent 42%);background-size:35px 35px,35px 35px,100% 100%;box-shadow:inset 0 0 80px #0008;isolation:isolate;overflow:hidden;transition:background-color .2s}.neon-room:before{content:"";position:absolute;inset:auto -10% 0;height:28%;background:linear-gradient(180deg,transparent,#0008),repeating-linear-gradient(90deg,#ffffff06 0 1px,transparent 1px 54px);transform:perspective(320px) rotateX(60deg);transform-origin:bottom}.wall-glow{position:absolute;width:72%;height:34%;border-radius:50%;background:var(--glow);filter:blur(90px);opacity:.14;transition:.2s}.sign-frame{position:relative;z-index:2;display:grid;place-items:center;max-width:100%;padding:42px 35px 34px;border:1px solid #ffffff17;border-radius:26px;background:#05030f3d;box-shadow:inset 0 0 30px #ffffff05,0 24px 55px #0008}.sign-frame:before,.sign-frame:after{content:"";position:absolute;top:-80px;width:1px;height:80px;background:linear-gradient(transparent,#ffffff3d)}.sign-frame:before{left:27%}.sign-frame:after{right:27%}.neon-text{position:relative;z-index:2;max-width:100%;color:#efffff;font-family:"Arial Rounded MT Bold",Arial,sans-serif;font-size:74px;font-weight:800;letter-spacing:4px;line-height:1.05;text-align:center;overflow-wrap:anywhere;-webkit-text-stroke:1px #fff6;filter:saturate(1.05);animation:neon-preview-pulse 2.8s ease-in-out infinite alternate}.neon-reflection{position:absolute;top:calc(50% + 46px);left:0;right:0;color:#efffff;font-family:"Arial Rounded MT Bold",Arial,sans-serif;font-size:74px;font-weight:800;letter-spacing:4px;line-height:1.05;text-align:center;opacity:.13;transform:scaleY(-.58);filter:blur(3px);mask-image:linear-gradient(#000,transparent 72%);-webkit-mask-image:linear-gradient(#000,transparent 72%);pointer-events:none;overflow:hidden}.room-label{position:absolute;left:19px;bottom:17px;padding:7px 9px;border:1px solid #ffffff12;border-radius:8px;color:#ffffff60;background:#0004;font-size:.63rem;font-weight:850;letter-spacing:.14em}.preset-row{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:12px}.preset{display:flex;align-items:center;justify-content:center;gap:7px;min-width:0;min-height:42px;padding:0 7px;border:1px solid #d9d7e2;border-radius:11px;color:#69677b;background:#fff;font-size:.68rem;font-weight:800;transition:.18s}.preset span{width:10px;height:10px;border-radius:50%;background:var(--preset);box-shadow:0 0 9px var(--preset)}.preset:hover,.preset.active{color:#28263a;border-color:var(--preset);transform:translateY(-2px);box-shadow:0 8px 20px #24203812}
.control-panel{padding:25px 24px;background:#fff}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:22px}.panel-heading h2{margin:3px 0 0;font-size:1.35rem;letter-spacing:-.03em}.step-label,.field-label{color:#858298;font-size:.67rem;font-weight:900;letter-spacing:.1em}.surprise{min-height:39px;padding:0 12px;border:1px solid #dedbe9;border-radius:11px;color:var(--primary);background:#f8f7ff;font-size:.73rem;font-weight:850}.surprise:hover{border-color:#b8b0ed;background:#f1eeff}.field-label{display:block;margin-bottom:7px}.text-field{display:flex;align-items:center;border:1px solid #dcd9e6;border-radius:12px;background:#fbfaff;transition:.2s}.text-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px #6c5ce712}.text-field input{min-width:0;flex:1;padding:12px 13px;border:0;outline:0;background:transparent;font-weight:800}.text-field span{padding-right:12px;color:#9895a8;font-size:.68rem;font-weight:750}.control-grid,.color-grid{display:grid;gap:10px;margin-top:15px}.control-grid{grid-template-columns:1fr 1fr}.select-field,.color-field{display:grid;gap:6px;color:#777487;font-size:.69rem;font-weight:850}.select-field select{width:100%;min-height:42px;padding:0 11px;border:1px solid #dcd9e6;border-radius:11px;color:#343245;background:#fff;outline:0}.color-grid{grid-template-columns:repeat(3,1fr)}.color-control{display:flex;align-items:center;gap:7px;min-width:0;padding:6px;border:1px solid #dcd9e6;border-radius:11px;background:#fff}.color-control input{flex:0 0 29px;width:29px;height:29px;padding:0;border:0;border-radius:8px;background:none}.color-control output{min-width:0;color:#4b485d;font:700 .61rem ui-monospace,Consolas,monospace;overflow:hidden;text-overflow:ellipsis}.sliders{display:grid;gap:15px;margin-top:20px}.range-field{display:grid;gap:7px}.range-field>span{display:flex;align-items:center;justify-content:space-between;color:#4c495d;font-size:.75rem}.range-field output{color:var(--primary);font-size:.7rem;font-weight:850}.range-field input{width:100%;height:5px;accent-color:var(--primary)}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:19px;padding:12px 13px;border:1px solid #e1deea;border-radius:12px;background:#fbfaff}.toggle-row>span b,.toggle-row>span small{display:block}.toggle-row>span b{color:#4b485c;font-size:.75rem}.toggle-row>span small{margin-top:3px;color:#9995a8;font-size:.63rem}.toggle-row input{position:absolute;opacity:0;pointer-events:none}.toggle-row i{position:relative;flex:0 0 39px;height:22px;border-radius:999px;background:#c8c5d2;transition:.2s}.toggle-row i:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 2px 5px #0002;transition:.2s}.toggle-row input:checked+i{background:var(--primary)}.toggle-row input:checked+i:after{transform:translateX(17px)}.toggle-row input:focus-visible+i{outline:3px solid #6c5ce72b}.code-card{margin-top:19px;border-radius:14px;background:#151321;box-shadow:0 13px 28px #17152724;overflow:hidden}.code-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #ffffff0d;color:#b8b4c9;font-size:.68rem;font-weight:850;letter-spacing:.06em}.code-head span{display:flex;align-items:center;gap:7px}.code-head i{width:7px;height:7px;border-radius:50%;background:#6c5ce7;box-shadow:0 0 8px #8d80ff}.code-head button{min-height:32px;padding:0 10px;border:0;border-radius:8px;color:#fff;background:#6c5ce7;font-size:.68rem;font-weight:850}.code-card pre{max-height:176px;margin:0;padding:14px;overflow:auto}.code-card code{color:#c9c5dd;font:500 .7rem/1.65 ui-monospace,Consolas,monospace;white-space:pre-wrap;word-break:break-word}
.section{padding:68px 0}.section.alt{border-block:1px solid #1f223e0f;background:#ffffff6b}.content{max-width:930px;margin:auto}.content h2{margin:0 0 13px;font-size:clamp(1.75rem,4vw,2.45rem)}.content>p,.card p,.faq p,.tip-box p{color:var(--muted);line-height:1.75}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:25px}.card{padding:22px;border:1px solid var(--border);border-radius:19px;background:#fff}.card h3{margin:13px 0 8px}.card p{margin:0;font-size:.88rem}.feature-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;color:#fff;background:linear-gradient(135deg,#302a73,#6c5ce7);font-size:.72rem;font-weight:900;box-shadow:0 8px 18px #6c5ce733}.prose-content h2:not(:first-child){margin-top:42px}.tip-box{display:flex;gap:16px;margin:30px 0;padding:21px;border:1px solid #6c5ce72b;border-radius:18px;background:#f5f3ff}.tip-mark{display:grid;place-items:center;flex:0 0 45px;height:45px;border-radius:13px;color:#fff;background:var(--primary);font-size:.68rem;font-weight:900}.tip-box h3{margin:1px 0 5px}.tip-box p{margin:0;font-size:.88rem}.faq{display:grid;gap:11px;margin-top:23px}.faq details{border:1px solid var(--border);border-radius:15px;background:#fff}.faq summary{padding:17px 19px;cursor:pointer;font-weight:800}.faq p{margin:0;padding:0 19px 18px}.try-card{display:flex;align-items:center;gap:13px;padding:18px;border:1px solid var(--border);border-radius:17px;background:#fff;transition:.2s}.try-card:hover{transform:translateY(-3px);box-shadow:0 14px 35px #35316e1a}.try-icon{display:grid;place-items:center;flex:0 0 43px;height:43px;border-radius:13px;color:var(--primary);background:#f0eeff;font-size:.72rem;font-weight:900}.try-card strong,.try-card span span{display:block}.try-card span span{margin-top:3px;color:var(--muted);font-size:.78rem}.toast{position:fixed;left:50%;bottom:28px;z-index:90;padding:12px 18px;border-radius:13px;color:#fff;background:#282640;font-weight:800;opacity:0;transform:translate(-50%,14px);transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}.spark{position:absolute;z-index:5;width:7px;height:7px;border-radius:50%;background:var(--glow);box-shadow:0 0 14px var(--glow);pointer-events:none;animation:spark-pop .78s ease-out forwards}.preview-side.expanded{position:fixed;inset:14px;z-index:80;display:grid;grid-template-rows:auto 1fr auto;border:1px solid #ffffff2b;border-radius:24px;background:#d9d7e3;box-shadow:0 30px 90px #0008}.preview-side.expanded .neon-room{min-height:0}.preview-side.expanded #fullscreenPreview:after{content:" preview"}.preview-side.expanded #fullscreenPreview{font-size:0}.preview-side.expanded #fullscreenPreview:before{content:"Close";font-size:.71rem}
@keyframes spark-pop{to{opacity:0;transform:translate(var(--x),var(--y)) scale(0)}}@keyframes neon-preview-pulse{to{filter:saturate(1.15) brightness(1.16)}}@keyframes neon-preview-flicker{0%,18%,22%,25%,53%,57%,100%{opacity:1}20%,24%,55%{opacity:.48}21%,56%{opacity:.82}}@media(prefers-reduced-motion:reduce){.neon-text,.spark{animation:none!important}.preset,.try-card{transition:none}}
@media(max-width:930px){.neon-studio{grid-template-columns:1fr}.neon-room{min-height:480px}.control-panel{padding:24px}.preset-row{grid-template-columns:repeat(5,1fr)}}@media(max-width:640px){.main{padding-top:40px}.preview-side{padding:10px}.neon-room{min-height:385px;padding:55px 16px}.sign-frame{padding:34px 18px 29px}.preset-row{grid-template-columns:repeat(2,1fr)}.preset:last-child{grid-column:1/-1}.control-panel{padding:21px 15px}.panel-heading{align-items:center}.panel-heading h2{font-size:1.2rem}.surprise{padding:0 9px}.control-grid{grid-template-columns:1fr}.color-grid{grid-template-columns:1fr 1fr}.color-field:last-child{grid-column:1/-1}.grid{grid-template-columns:1fr}.section{padding:52px 0}.tip-box{align-items:flex-start}.preview-side.expanded{inset:5px}.preview-side.expanded .preset-row{display:none}}