:root{color-scheme:dark;--bg:#090b1a;--surface:rgba(255,255,255,.06);--text:#f7f7ff;--muted:#a7abc5;--line:rgba(255,255,255,.14);--teal:#51c9b2;--blue:#38bdf8;--purple:#a78bfa;--coral:#fb7185}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100svh;margin:0;overflow-x:hidden;color:var(--text);background:radial-gradient(circle at 15% 10%,rgba(124,58,237,.23),transparent 30rem),radial-gradient(circle at 90% 80%,rgba(14,165,233,.17),transparent 28rem),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}body:before{position:fixed;inset:0;z-index:-2;pointer-events:none;content:"";opacity:.23;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,black,transparent 80%)}a{color:inherit}.orb{position:fixed;z-index:-1;border-radius:999px;pointer-events:none;mix-blend-mode:screen}.orb-one{width:13rem;height:13rem;top:12%;right:8%;background:rgba(167,139,250,.15);filter:blur(2px)}.orb-two{width:9rem;height:9rem;bottom:11%;left:5%;background:rgba(56,189,248,.14);filter:blur(2px)}.page{width:min(1180px,100%);min-height:100svh;margin:auto;padding:max(1.25rem,env(safe-area-inset-top)) clamp(1.25rem,4vw,3rem) max(1.25rem,env(safe-area-inset-bottom));display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.35rem 0}.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text);font-size:.78rem;font-weight:700;letter-spacing:.2em;text-decoration:none}.brand-mark{width:2rem;height:2rem;display:grid;place-items:center;border:1px solid var(--line);border-radius:.8rem;background:linear-gradient(135deg,rgba(167,139,250,.9),rgba(56,189,248,.75));box-shadow:0 0 28px rgba(167,139,250,.32);font-size:.85rem}.status{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem .8rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:rgba(255,255,255,.04);font-size:.72rem}.status i{width:.42rem;height:.42rem;border-radius:50%;background:#4ade80;box-shadow:0 0 12px #4ade80}main{flex:1}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(18rem,.8fr);align-items:center;gap:clamp(2rem,7vw,7rem);padding:clamp(5rem,11vh,8rem) 0 6rem}.eyebrow{display:inline-flex;align-items:center;gap:.65rem;margin-bottom:1.15rem;color:var(--blue);font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.eyebrow:before{width:2.5rem;height:1px;background:linear-gradient(90deg,transparent,var(--blue));content:""}.hero h1{max-width:13ch;margin:0;font-size:clamp(3.1rem,7vw,6.7rem);line-height:.96;letter-spacing:-.075em}.hero h1 span{display:inline;color:transparent;background:linear-gradient(110deg,#fff 15%,var(--purple) 48%,var(--blue) 85%);-webkit-background-clip:text;background-clip:text}.intro{max-width:38rem;margin:1.65rem 0 0;color:var(--muted);font-size:clamp(1rem,1.8vw,1.18rem);line-height:1.8}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}.actions a,.primary,.secondary{min-height:2.9rem;padding:.75rem 1.1rem;display:inline-flex;align-items:center;gap:.7rem;border:1px solid var(--line);border-radius:999px;color:var(--text);background:rgba(255,255,255,.07);font:inherit;text-decoration:none;transition:.25s}.actions a:hover,.secondary:hover{border-color:rgba(167,139,250,.75);background:rgba(167,139,250,.18);transform:translateY(-2px)}.actions .primary{border-color:transparent;background:linear-gradient(100deg,#7c3aed,#0891b2);box-shadow:0 12px 32px rgba(56,189,248,.16)}.actions b{font-size:1.1rem}.hero-visual{position:relative;min-height:25rem;display:grid;place-items:center}.hero-visual:before{position:absolute;width:min(25rem,78vw);aspect-ratio:1;border:1px solid rgba(167,139,250,.24);border-radius:38% 62% 63% 37%/41% 38% 62% 59%;box-shadow:inset 0 0 80px rgba(124,58,237,.13),0 0 90px rgba(56,189,248,.1);content:"";transform:rotate(18deg)}.device-card{position:relative;z-index:1;width:min(19rem,72vw);padding:1.45rem;border:1px solid rgba(255,255,255,.2);border-radius:1.5rem;background:linear-gradient(145deg,rgba(255,255,255,.14),rgba(255,255,255,.045));box-shadow:0 1.5rem 5rem rgba(0,0,0,.28),inset 0 1px rgba(255,255,255,.18);backdrop-filter:blur(18px);transform:rotate(-7deg)}.device-top{display:flex;justify-content:space-between;color:var(--muted);font-size:.68rem;letter-spacing:.12em}.device-icon{width:3.5rem;height:3.5rem;display:grid;place-items:center;margin:2rem 0 1rem;border-radius:1.1rem;color:#11152e;background:linear-gradient(135deg,var(--purple),#22d3ee);font-size:2rem;box-shadow:0 1rem 2rem rgba(56,189,248,.22)}.device-card strong{font-size:1.65rem;line-height:1.05;letter-spacing:-.04em}.device-lines{display:flex;align-items:end;gap:.3rem;height:2.2rem;margin-top:1.4rem}.device-lines i{width:.25rem;border-radius:999px;background:linear-gradient(to top,var(--blue),var(--purple))}.device-lines i:nth-child(1){height:40%}.device-lines i:nth-child(2){height:85%}.device-lines i:nth-child(3){height:60%}.section{padding:2.5rem 0 3.2rem;border-top:1px solid var(--line)}.section-title{display:flex;align-items:baseline;gap:.8rem;margin-bottom:1.5rem}.section-title span{color:var(--coral);font:700 .72rem ui-monospace,SFMono-Regular,Menlo,monospace}.section-title h2{margin:0;font-size:1.35rem;letter-spacing:-.04em}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.feature-grid article{padding:1.35rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface)}.feature-grid b{color:var(--blue);font:700 .7rem ui-monospace,SFMono-Regular,Menlo,monospace}.feature-grid h3{margin:.8rem 0 .45rem;font-size:1.15rem}.feature-grid p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.7}.work-tabs{display:flex;gap:.5rem;margin-bottom:1rem}.work-tabs span{padding:.45rem .8rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.8rem;cursor:pointer}.work-tabs span.active{border-color:var(--teal);color:var(--teal);background:rgba(81,201,178,.09)}.diagram{display:flex;align-items:center;gap:.8rem;min-height:10rem;padding:1.2rem;border:1px solid var(--line);border-radius:1rem;background:rgba(255,255,255,.04)}.diagram.wireless{display:none}.tool-stack{display:grid;gap:.5rem;min-width:13rem}.tool-stack span{padding:.65rem .8rem;border:1px solid var(--line);border-radius:.55rem;color:var(--muted);font-size:.8rem}.connector{flex:1;display:flex;align-items:center;gap:.35rem;color:var(--blue);font-size:.7rem;white-space:nowrap}.connector i{height:1px;flex:1;background:linear-gradient(90deg,var(--purple),var(--blue))}.node{min-width:7rem;padding:1rem .7rem;border:1px solid var(--line);border-radius:.8rem;text-align:center;font-weight:700;background:rgba(255,255,255,.08)}.node small{display:block;margin-top:.35rem;color:var(--muted);font-size:.65rem;font-weight:400}.target{color:var(--teal)}.start-list{border-top:1px solid var(--line)}.start-list a{display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:1rem;padding:1.1rem .2rem;border-bottom:1px solid var(--line);text-decoration:none;transition:.2s}.start-list a:hover{padding-inline:.7rem;background:rgba(255,255,255,.04)}.start-list span{font-weight:700}.start-list b{color:var(--muted);font-size:.8rem;font-weight:400}.start-list em{color:var(--blue);font-size:1.2rem;font-style:normal}footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.72rem}.beian{color:var(--muted);text-decoration:none}.police-beian{display:inline-flex;align-items:center;gap:.3rem}.police-beian img{width:1rem;height:auto}@media(max-width:720px){.hero{grid-template-columns:1fr;gap:2.5rem;padding-top:4rem}.hero-visual{min-height:20rem}.feature-grid{grid-template-columns:1fr}.diagram{align-items:stretch;flex-direction:column}.tool-stack{min-width:0}.connector{width:100%;min-height:2rem}.start-list a{grid-template-columns:1fr auto}.start-list b{grid-column:1;color:var(--muted)}.start-list em{grid-column:2;grid-row:1/3}footer{align-items:flex-start;flex-direction:column}}.hero h1{max-width:none}.hero-subtitle{max-width:40rem;margin:1.1rem 0 0;color:var(--text);font-size:clamp(1.2rem,2.2vw,1.85rem);line-height:1.45;letter-spacing:-.04em}.hero h1 span{display:none}.hero-copy .actions{display:none}.device-icon img{width:2.05rem;height:2.05rem;display:block}.device-icon{background:linear-gradient(135deg,var(--purple),#22d3ee)}.start-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;border-top:0}.start-list a{min-height:9rem;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:.7rem;padding:1.25rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface);transition:.2s}.start-list a:hover{padding:1.25rem;transform:translateY(-3px);border-color:rgba(167,139,250,.75);background:rgba(167,139,250,.12)}.start-list span{font-size:1.05rem}.start-list b{font-size:.8rem}.start-list em{align-self:flex-end}.build-hero{padding-top:4.5rem}.build-hero h1{max-width:none;white-space:nowrap;font-size:clamp(2.5rem,6vw,5.8rem)}.default-details{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.2rem}.default-details div{display:grid;gap:.45rem;padding:1rem;border:1px solid var(--line);border-radius:.8rem;background:var(--surface)}.default-details strong{font-size:.9rem}.default-details span{color:var(--muted);font-size:.8rem;line-height:1.6}.custom-config{grid-template-columns:repeat(4,minmax(0,1fr))}.custom-config .config-box{min-width:0}.config-box .check{display:flex;align-items:center;gap:.5rem}.config-box .check input{width:1rem;height:1rem}.password-control{position:relative;display:block}.password-control input{padding-right:2.5rem}.password-control button{position:absolute;right:.15rem;top:.15rem;width:2rem;height:2rem;padding:0;border:0;border-radius:.35rem;color:var(--muted);background:transparent;cursor:pointer}.password-control button:hover{color:var(--text);background:rgba(255,255,255,.08)}.field-error{min-height:1.15rem;margin:.35rem 0 0;color:#ff9da9;font-size:.75rem}.build-log{display:none}.build-status{min-height:4.5rem}.build-status .progress{margin-bottom:0}.build-button.done{background:#2caa78}.build-button:disabled{opacity:.7}.flash-button{background:#8d64d8}.build-note{max-width:100%;white-space:normal}.browser-warning{margin-top:1rem}@media(max-width:900px){.custom-config{grid-template-columns:repeat(2,minmax(0,1fr))}.start-list{grid-template-columns:1fr 1fr}}@media(max-width:720px){.hero-subtitle{font-size:1.25rem}.start-list{grid-template-columns:1fr}.default-details{grid-template-columns:1fr}.custom-config{grid-template-columns:1fr}.build-hero h1{white-space:normal;font-size:clamp(2.8rem,13vw,5rem)}}
/* Build page */.build-page{max-width:1120px;margin:auto}.build-hero{padding:4.5rem 0 3rem}.build-hero h1{max-width:10ch;margin:0;font-size:clamp(3rem,7vw,6rem);line-height:.96;letter-spacing:-.07em}.build-hero h1 em{color:var(--teal);font-style:normal}.build-hero p{max-width:42rem;color:var(--muted);font-size:1.05rem;line-height:1.8}.build-section{padding:2rem 0 2.5rem;border-top:1px solid var(--line)}.build-section h2{margin:0 0 1.2rem;font-size:1.25rem}.config-select{width:min(100%,30rem);height:3rem;padding:0 .9rem;border:1px solid var(--line);border-radius:.6rem;color:var(--text);background:#15182d;font:inherit}.custom-config{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.2rem}.config-box{padding:1.1rem;border:1px solid var(--line);border-radius:.8rem;background:var(--surface)}.config-box h3{margin:0 0 .8rem;font-size:.95rem}.config-box label{display:grid;gap:.35rem;margin:.6rem 0;color:var(--muted);font-size:.78rem}.config-box input{width:100%;height:2.25rem;padding:0 .6rem;border:1px solid var(--line);border-radius:.4rem;color:var(--text);background:#11142a}.build-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem}.build-button,.flash-button{min-height:3rem;padding:0 1.2rem;border:1px solid transparent;border-radius:.6rem;color:#fff;font:inherit;font-weight:700;cursor:pointer}.build-button{background:#378bd7}.build-button.done{background:#2caa78}.flash-button{background:#8d64d8}.build-button:disabled,.flash-button:disabled{opacity:.55;cursor:not-allowed}.build-note{color:var(--muted);font-size:.78rem}.build-status{margin-top:1.2rem;padding:1rem;border:1px solid var(--line);border-radius:.7rem;background:#11142a}.build-status[hidden],.custom-config[hidden]{display:none}.status-line{display:flex;justify-content:space-between;gap:1rem}.status-line strong{color:var(--teal)}.status-line span{color:var(--muted);font: .75rem ui-monospace,monospace}.progress{height:.35rem;margin:.8rem 0;background:#2a2e4a;border-radius:99px;overflow:hidden}.progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--blue),var(--teal));transition:width .3s}.build-log{max-height:12rem;margin:0;overflow:auto;color:#aebdd8;font: .72rem/1.5 ui-monospace,monospace;white-space:pre-wrap}.browser-warning{padding:.9rem;border-left:3px solid var(--coral);color:#ffd0d6;background:rgba(251,113,133,.1)}.browser-warning[hidden]{display:none}.back-link{color:var(--muted);font-size:.8rem;text-decoration:none}.back-link:hover{color:var(--text)}@media(max-width:700px){.custom-config{grid-template-columns:1fr}.build-hero{padding-top:3rem}}

/* Final layout overrides, after shared build styles. */
.start-list{grid-template-columns:1fr}.start-list a{min-height:7rem}.project-glass{position:relative;display:grid;place-items:center;width:min(21rem,72vw);aspect-ratio:1;border:1px solid rgba(255,255,255,.24);border-radius:3rem;background:linear-gradient(135deg,rgba(255,255,255,.17),rgba(255,255,255,.035));backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:0 24px 70px #0005,inset 0 1px #ffffff40;transform:rotate(-7deg)}.project-glass img{width:78%;height:78%;filter:drop-shadow(0 10px 22px #38bdf84d);transform:rotate(7deg)}.custom-config{grid-template-columns:repeat(4,minmax(0,1fr))}.config-box select{width:100%;min-height:2.5rem;color:var(--text);background:#11142a;border:1px solid var(--line);border-radius:.4rem}.build-hero h1{max-width:none;white-space:nowrap;font-size:clamp(2rem,6vw,5.8rem)}[hidden]{display:none!important}.disabled{opacity:.45;pointer-events:none}.hero h1 span{display:inline}.hero-copy .actions{display:flex}
@media(max-width:900px){.custom-config{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.custom-config{grid-template-columns:1fr}.build-hero h1{font-size:clamp(1.8rem,8.3vw,3rem)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

dialog{max-width:min(90vw,30rem);padding:1.8rem;color:var(--text);background:#15182d;border:1px solid var(--line);border-radius:1rem}dialog::backdrop{background:#0009;backdrop-filter:blur(6px)}dialog p{color:var(--muted);line-height:1.7}