/* Independent marketing shell; real client styles are isolated in Shadow DOM. */
:root {
  color-scheme: light;
  --bg: #fff;
  --fg: #1f1f1f;
  --muted: #52606d;
  --subtle: #f6f7f9;
  --border: #e5e7eb;
  --blue: #0078d4;
  --link: #0069b9;
  --face-ink: #66758b;
  --face-accent: #e4b400;
  --button-face-ink: #c5d3df;
  --header-bg: #fff;
  --card-bg: #fff;
  --editor: #fff;
  --sidebar: #f8f9fb;
  --editor-text: #3e4855;
  --wire: #32818d;
  --component: #6064ab;
  --shadow: 0 16px 60px #102c571a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #a2adba;
  --subtle: #161b22;
  --border: #2c333e;
  --blue: #0078d4;
  --link: #60b8ff;
  --face-ink: #93a9c6;
  --face-accent: #ffcf32;
  --button-face-ink: #526278;
  --header-bg: #0d1117;
  --card-bg: #151a24;
  --editor: #181d27;
  --sidebar: #141923;
  --editor-text: #b8c2d1;
  --wire: #57c5c0;
  --component: #b5a2fa;
  --shadow: 0 16px 60px #0004;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { isolation: isolate; margin: 0; background: var(--bg); color: var(--fg); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; color: inherit; }
button:disabled { cursor: default; }
a { color: var(--link); text-underline-offset: 3px; }
button { border: 0; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid #0098ff; outline-offset: 4px; }
[hidden] { display: none !important; }
svg { display: block; }
.icon { width: 24px; height: 24px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon.small { width: 15px; height: 15px; stroke-width: 2; }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.page-width { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 20px; background: var(--fg); color: var(--bg); padding: 15px; border-radius: 5px; }
.skip-link:focus { top: 12px; }
.site-header { height: 80px; background: var(--header-bg); border-bottom: 1px solid var(--border); position: relative; z-index: 40; }
.header-inner { max-width: 1440px; padding: 0 36px; height: 100%; margin: auto; display: flex; align-items: center; gap: 42px; }
.brand { flex: 0 0 auto; display: flex; align-items: center; color: var(--fg); }
.brand .brand-mark { object-fit: contain; width: 36px; height: 36px; }
.site-header .brand { user-select: none; touch-action: manipulation; }
.header-actions { display: flex; gap: 21px; align-items: center; margin-left: auto; }
.icon-button { width: 32px; height: 36px; padding: 4px; display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--fg); border-radius: 4px; }
.icon-button:hover { background: var(--subtle); }
.nav-download { display: inline-flex; gap: 15px; align-items: center; justify-content: center; background: var(--blue); color: white; border-radius: 4px; padding: 8px 20px 10px; font-size: 18px; font-weight: 650; line-height: 1.5; text-decoration: none; white-space: nowrap; }
.nav-download:hover { background: #0067b8; }
.hero { position: relative; padding-top: 33px; overflow: hidden; }
.smile-field { position: fixed; inset: 0; display: block; width: 100%; height: 100%; pointer-events: none; z-index: -1; user-select: none; }
.hero-copy { position: relative; z-index: 1; text-align: center; padding: 0 24px; }
h1 { margin: 0; font-size: clamp(60px, 6.25vw, 96px); font-weight: 700; line-height: 1.11; letter-spacing: -3.8px; text-wrap: balance; }
.hero-subtitle { font-size: clamp(26px, 2.65vw, 40px); line-height: 1.35; letter-spacing: -.9px; margin: 29px 0 0; font-weight: 450; text-wrap: balance; }
.download-card { display: inline-flex; flex-direction: column; margin-top: 46px; width: 408px; max-width: 100%; }
.hero-download { --surface-lift: 0; --surface-tilt: 0deg; --magnet-x: 0px; --magnet-y: 0px; position: relative; isolation: isolate; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 17px 29px; background: #202020; color: #fff; border: 1px solid #ffffff20; border-radius: 10px; font-size: 22px; line-height: 1.4; font-weight: 650; transform: perspective(700px) translate3d(var(--magnet-x), calc(var(--magnet-y) - var(--surface-lift) * 5px), 0) rotateX(calc(var(--surface-lift) * 3deg)) rotateY(var(--surface-tilt)); box-shadow: 0 calc(4px + var(--surface-lift) * 14px) calc(12px + var(--surface-lift) * 14px) #1023331a, inset 0 1px #ffffff18; transition: background .18s; }
.hero-download:hover { background: #292c30; }
.download-label { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 10px; }
.download-smiles { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .8; mask-image: linear-gradient(90deg, #000, #0003 24%, #0001 50%, #0003 76%, #000); }
[data-theme="dark"] .hero-download { background: #e6edf3; color: #151a22; }
[data-theme="dark"] .hero-download:hover { background: #fff; }
.windows-icon { display: grid; grid-template-columns: repeat(2, 11px); grid-template-rows: repeat(2, 11px); gap: 2px; }
.windows-icon i { background: currentColor; }
.download-alternatives { font-size: 15px; line-height: 1.8; margin: 16px 0 0; }
.download-card a, .download-card .text-link { color: var(--fg); }
.text-link { display: inline; padding: 0; border: 0; font-size: inherit; line-height: inherit; background: transparent; color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.download-note { font-size: 13px; line-height: 1.8; margin: 15px 0 0; }
.hero-showcase { scroll-margin-top: 24px; position: relative; z-index: 1; margin-top: 30px; border-radius: 12px; padding: 54px 52px 0; background: radial-gradient(ellipse at 90% 10%, #70bcff75, transparent 50%), radial-gradient(ellipse at 0% 100%, #c1ddff, transparent 65%), linear-gradient(115deg, #66a0ff, #0075ff 75%); overflow: hidden; }
.hero-showcase::before, .hero-showcase::after { content: ""; position: absolute; height: 400px; width: 800px; border: 1px solid #ffffff1c; border-radius: 50%; transform: rotate(-32deg); top: -210px; left: 50%; pointer-events: none; }
.hero-showcase::after { top: 190px; left: -500px; width: 1000px; }
.showcase-controls { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 19px 24px 0; color: var(--muted); font-size: 12px; position: relative; }
.replay-button { border: 1px solid transparent; border-radius: 5px; padding: 6px 9px; display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--fg); background: transparent; }
.replay-button .icon { width: 15px; height: 15px; }.replay-button:hover { border-color: var(--border); }
.waveform-view { padding: 14px 10px 0; }.legend-input { color: #9471e8; }.legend-output { color: #008bc7; }
.content-sections { padding-top: 64px; }
.feature-row { display: grid; grid-template-columns: 340px minmax(0, 1fr); align-items: center; gap: 58px; padding: 64px 0; }
h2 { margin: 0; font-size: 34px; font-weight: 600; line-height: 1.3; letter-spacing: -.8px; text-wrap: balance; }
.feature-copy p { color: var(--muted); font-size: 15px; line-height: 1.95; margin: 20px 0 0; }
.arrow-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-size: 15px; font-weight: 500; text-decoration: underline; }.arrow-link .icon { width: 17px; height: 17px; }.arrow-link:hover .icon { transform: translateX(3px); }
.feature-visual { padding: 36px; border-radius: 12px; overflow: hidden; }.agent-visual { background: radial-gradient(ellipse at bottom right, #365fe6, transparent 80%), linear-gradient(120deg, #a5ccff, #5e92f2); }
.three-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; padding: 40px 0 80px; }.three-columns h3 { font-size: 22px; font-weight: 600; letter-spacing: -.4px; margin: 0 0 21px; }.three-columns p { font-size: 14px; color: var(--muted); line-height: 1.95; margin: 14px 0 0; }
.callout-banner { background: radial-gradient(ellipse at 0% 0%, #dbeaff, transparent 70%), linear-gradient(100deg, #dfdefc, #e7efff 60%, #c6e7fa); padding: 38px 42px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-radius: 10px; margin-bottom: 32px; color: #1d2850; }.callout-banner h2 { font-size: 30px; }.callout-banner p { font-size: 14px; margin: 0 0 16px; }.secondary-button { display: inline-flex; gap: 13px; align-items: center; padding: 10px 17px; border: 1px solid #1d285044; color: #1d2850; border-radius: 5px; text-decoration: none; font-size: 14px; font-weight: 550; background: #ffffff66; }.secondary-button:hover { background: #fff; }.secondary-button .icon { width: 16px; height: 16px; }
[data-theme="dark"] .callout-banner { background: radial-gradient(ellipse at 0% 0%, #23396b, transparent 70%), linear-gradient(100deg, #25213b, #1c3453); color: #e1eaff; }[data-theme="dark"] .callout-banner .secondary-button { color: #e1eaff; border-color: #c8d8ff66; background: #0d111733; }
.simulation-visual { background: linear-gradient(120deg, #d3ecff, #94c6f4); padding: 30px; }
.firmware-visual { background: linear-gradient(130deg, #dad6ff, #c3d4ff); }
.domains-section { padding-block: 75px; }.domain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 16px; }.domain-grid > span { display: flex; align-items: center; gap: 11px; font: 13px Consolas, monospace; white-space: nowrap; }.domain-grid i { width: 25px; text-align: center; font-size: 25px; font-style: normal; color: #458ccf; }.domain-grid > span:nth-child(3n+2) i { color: #ab8fce; }.domain-grid > span:nth-child(3n) i { color: #5aa995; }
.section-intro { text-align: center; }.section-intro h2 { font-size: 34px; }.section-intro > p { font-size: 15px; line-height: 1.7; color: var(--muted); margin: 18px 0 0; }
.more-features { padding: 58px 0 68px; }.feature-card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }.feature-card { color: var(--fg); padding: 26px 22px; border: 1px solid var(--border); border-radius: 8px; background: var(--subtle); text-decoration: none; transition: border-color .15s, transform .15s; }.feature-card:hover { border-color: #95bde3; transform: translateY(-3px); }.feature-card > .icon { background: color-mix(in srgb, var(--bg) 60%, transparent); box-sizing: content-box; padding: 10px; border: 1px solid var(--border); border-radius: 7px; width: 23px; height: 23px; }.feature-card h3 { font-size: 16px; margin: 20px 0 12px; font-weight: 550; }.feature-card p { font-size: 13px; line-height: 1.9; color: var(--muted); min-height: 48px; }.feature-card > span { color: var(--link); font-size: 11px; display: block; margin-top: 22px; }
.getting-started { padding: 70px 0 65px; }.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; margin-top: 46px; }.guide-number { display: block; font: 14px Consolas, monospace; color: var(--link); padding-bottom: 18px; border-bottom: 1px solid var(--border); }.guide-grid h3 { font-size: 18px; margin-top: 23px; font-weight: 550; }.guide-grid p { font-size: 13px; line-height: 1.9; color: var(--muted); }.command-box { border: 1px solid var(--border); background: var(--subtle); padding: 8px 10px 8px 16px; border-radius: 5px; display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 22px; }.command-box code { font: 13px Consolas, monospace; }.command-box .icon { width: 17px; height: 17px; }.guide-grid blockquote { background: var(--subtle); border-left: 2px solid #79ade2; font-size: 12px; line-height: 1.9; margin: 22px 0 0; padding: 14px 16px; color: var(--muted); }.guide-grid .arrow-link { margin-top: 15px; font-size: 13px; }
.journal-section { padding: 65px 0; }.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }.journal-card { display: block; text-align: left; padding: 30px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }.journal-card:hover { background: var(--subtle); border-color: #9ab8d4; }.journal-card > span:first-child { font-size: 10px; letter-spacing: 1px; color: var(--muted); }.journal-card h3 { font-size: 23px; line-height: 1.65; letter-spacing: -.7px; font-weight: 550; margin: 27px 0 12px; }.journal-card p { font-size: 12px; line-height: 1.8; color: var(--muted); }.journal-link { display: flex; align-items: center; gap: 7px; font-size: 12px; margin-top: 30px; color: var(--link); }.journal-link .icon { width: 16px; height: 16px; }
.faq-section { display: grid; grid-template-columns: 340px 1fr; gap: 58px; padding: 80px 0; }.faq-section > h2 { font-size: 29px; }.faq-list details { border-bottom: 1px solid var(--border); }.faq-list details:first-child { border-top: 1px solid var(--border); }.faq-list summary { padding: 23px 2px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 14px; list-style: none; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary .icon { width: 17px; height: 17px; }.faq-list details[open] summary .icon { transform: rotate(180deg); }.faq-list details p { margin: 0; padding: 0 25px 24px 2px; color: var(--muted); font-size: 13px; line-height: 1.95; }
.closing-cta { text-align: center; padding: 80px 0 95px; }.closing-cta > .brand-mark { margin: 0 auto 24px; }.closing-cta h2 { font-size: 46px; letter-spacing: -1.6px; line-height: 1.2; }.closing-cta > button { margin-top: 30px; font-size: 16px; padding: 12px 24px; }.closing-cta .icon { width: 19px; height: 19px; }
.site-footer { padding: 0 0 35px; }.footer-top { display: flex; align-items: center; gap: 24px; padding: 27px 0; border-top: 1px solid var(--border); }.footer-brand { display: flex; align-items: center; gap: 9px; color: var(--fg); font-size: 16px; font-weight: 600; text-decoration: none; }.footer-top > span { color: var(--muted); font-size: 12px; }.footer-top > a:last-child { margin-left: auto; color: var(--muted); font-size: 12px; text-decoration: none; }.footer-bottom { display: flex; justify-content: space-between; padding-top: 5px; font-size: 11px; color: var(--muted); }.footer-bottom > div { display: flex; gap: 26px; }.footer-bottom a, .footer-bottom button { color: var(--muted); text-decoration: none; }.footer-bottom a:hover, .footer-bottom button:hover { text-decoration: underline; }
.site-dialog { color: var(--fg); background: var(--card-bg); border: 1px solid var(--border); border-radius: 13px; width: min(560px, calc(100% - 32px)); padding: 44px; max-height: calc(100dvh - 64px); overflow-y: auto; box-shadow: 0 30px 120px #0004; }.site-dialog::backdrop { background: #0d183b69; backdrop-filter: blur(5px); }.dialog-close { position: absolute; right: 16px; top: 13px; }.dialog-close .icon { width: 20px; height: 20px; }.dialog-eyebrow { font-size: 10px; letter-spacing: 2px; color: var(--link); font-weight: 600; display: block; margin-bottom: 20px; }.site-dialog h2 { font-size: 32px; }.dialog-description { font-size: 14px; line-height: 1.9; color: var(--muted); margin: 20px 0; }.platform-tabs { display: flex; gap: 5px; border-bottom: 1px solid var(--border); margin-top: 25px; }.platform-tabs button { flex: 1; padding: 13px 5px; background: none; font-size: 13px; border-bottom: 2px solid transparent; color: var(--muted); }.platform-tabs button[aria-selected="true"] { color: var(--link); border-color: var(--link); }.release-panel { border: 1px solid var(--border); background: var(--subtle); border-radius: 7px; margin: 20px 0; padding: 24px; text-align: center; }.release-panel > .icon { margin: auto; width: 28px; height: 28px; color: var(--link); }.release-panel h3 { margin: 14px 0 10px; font-size: 18px; font-weight: 550; }.release-panel p { font-size: 13px; line-height: 1.8; color: var(--muted); }.release-download { font-size: 14px; margin-top: 8px; }.dialog-guide { margin-top: 4px; font-size: 13px; }.article-body { font-size: 14px; color: var(--muted); line-height: 2; margin-top: 25px; }.article-body h3 { color: var(--fg); font-size: 17px; margin-top: 28px; }.article-body p { margin: 17px 0; }.article-dialog { width: min(650px, calc(100% - 32px)); }.article-dialog h2 { line-height: 1.55; }
.search-dialog { padding: 0; width: min(660px, calc(100% - 32px)); margin-top: 15vh; }.search-input-wrap { padding: 18px 20px; display: flex; gap: 13px; align-items: center; border-bottom: 1px solid var(--border); }.search-input-wrap > .icon { width: 22px; height: 22px; color: var(--muted); }.search-input-wrap input { min-width: 0; width: 100%; border: 0; outline: 0; background: transparent; color: var(--fg); font-size: 18px; }.search-input-wrap input:focus-visible { outline: none; }.search-escape { background: var(--subtle); color: var(--muted); padding: 4px 7px; border: 1px solid var(--border); border-radius: 4px; font-size: 11px; }.search-results { padding: 9px; min-height: 100px; max-height: 50vh; overflow-y: auto; }.search-result { display: flex; align-items: center; padding: 13px; gap: 12px; border-radius: 5px; color: var(--fg); text-decoration: none; }.search-result:hover, .search-result.search-active { background: var(--subtle); }.search-result .icon { width: 18px; height: 18px; color: var(--link); }.search-result b { font-size: 14px; font-weight: 500; }.search-result small { display: block; font-size: 11px; margin-top: 4px; color: var(--muted); }.search-empty { padding: 28px 16px; color: var(--muted); font-size: 14px; line-height: 1.8; }.search-hint { display: flex; gap: 18px; padding: 12px 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: 10px; }.toast { position: fixed; z-index: 100; bottom: 24px; left: 50%; transform: translateX(-50%); padding: 13px 23px; background: var(--fg); color: var(--bg); border-radius: 6px; font-size: 13px; box-shadow: var(--shadow); }
@media (min-width: 1700px) { .header-inner { max-width: 1680px; }.page-width { width: min(1280px, calc(100% - 80px)); }.hero { padding-top: 40px; }.hero-subtitle { margin-top: 34px; }.download-card { margin-top: 54px; }.hero-showcase { margin-top: 34px; padding: 60px 60px 0; } }
@media (max-width: 1250px) { .header-inner { padding: 0 26px; gap: 26px; }.header-actions { gap: 14px; }.nav-download { font-size: 16px; padding-inline: 17px; }.feature-row, .faq-section { grid-template-columns: 295px minmax(0, 1fr); gap: 38px; }.feature-visual { padding: 28px; }.hero-showcase { padding: 42px 36px 0; }.domain-grid { gap: 24px 10px; }.domain-grid > span { font-size: 11px; gap: 6px; }.domain-grid i { font-size: 23px; }.journal-card { padding: 25px; }.journal-card h3 { font-size: 21px; } }
@media (max-width: 1050px) { .site-header { height: 68px; }.header-inner { gap: 22px; }.header-actions { gap: 10px; }.header-actions .search-button { display: none; }.header-actions .nav-download { font-size: 14px; padding-inline: 14px; }.brand .brand-mark { width: 31px; height: 31px; }.hero { padding-top: 40px; }h1 { font-size: 72px; letter-spacing: -3px; }.hero-subtitle { font-size: 29px; max-width: 750px; margin-inline: auto; }.download-card { margin-top: 36px; }.hero-showcase { padding: 35px 28px 0; }.feature-row { grid-template-columns: 270px minmax(0, 1fr); gap: 30px; }.feature-copy h2 { font-size: 29px; }.feature-copy p { font-size: 14px; }.feature-visual { padding: 22px; }.domain-grid { grid-template-columns: repeat(2, 1fr); }.three-columns { gap: 28px; }.three-columns h3 { font-size: 19px; }.three-columns p { font-size: 13px; }.feature-card-grid { grid-template-columns: repeat(2, 1fr); }.feature-card h3 { font-size: 18px; }.feature-card p { min-height: 0; }.guide-grid { gap: 26px; }.faq-section { grid-template-columns: 270px 1fr; gap: 30px; }.faq-section h2 { font-size: 26px; }.journal-card { padding: 22px; }.journal-card h3 { font-size: 19px; }.journal-card > span:first-child { font-size: 8px; } }
@media (max-width: 800px) { html { scroll-padding-top: 30px; }.page-width { width: calc(100% - 40px); }.site-header { height: 64px; }.header-inner { padding-inline: 20px; }.header-actions .search-button { display: inline-flex; }.header-actions { gap: 14px; }.header-actions .nav-download { font-size: 14px; padding: 7px 14px; }.hero { padding-top: 43px; }h1 { font-size: clamp(47px, 8.5vw, 65px); line-height: 1.12; letter-spacing: -2.7px; }.hero-subtitle { font-size: clamp(22px, 3.4vw, 27px); max-width: 570px; margin-top: 25px; letter-spacing: -.5px; }.download-card { margin-top: 30px; width: 390px; }.hero-download { font-size: 19px; padding: 16px 23px; }.download-note { font-size: 11px; }.download-alternatives { font-size: 13px; }.hero-showcase { padding: 28px 23px 0; margin-top: 30px; }.showcase-controls { font-size: 10px; gap: 8px; }.replay-button { font-size: 11px; }.content-sections { padding-top: 35px; }.feature-row { grid-template-columns: 1fr; gap: 30px; padding: 44px 0; }.feature-copy { max-width: 650px; }.feature-copy h2 { font-size: 32px; }.feature-copy h2 br { display: none; }.feature-copy p { font-size: 14px; margin-top: 16px; }.feature-visual { padding: 35px; }.three-columns { padding: 30px 0 50px; gap: 25px; }.three-columns h3 { font-size: 17px; line-height: 1.45; }.three-columns p { font-size: 12px; }.callout-banner { padding: 30px; }.callout-banner h2 { font-size: 25px; }.callout-banner p { font-size: 12px; }.secondary-button { font-size: 12px; padding: 9px 11px; }.domain-grid { grid-template-columns: repeat(3, 1fr); padding-top: 8px; gap: 28px 16px; }.domain-grid > span { font-size: 12px; }.domain-grid i { font-size: 24px; }.section-intro h2 { font-size: 29px; }.section-intro > p { font-size: 13px; }.more-features, .getting-started, .journal-section { padding-block: 45px; }.guide-grid { gap: 22px; }.guide-grid h3 { font-size: 16px; }.guide-grid p { font-size: 12px; }.guide-grid blockquote { font-size: 11px; padding: 12px; }.command-box { padding-left: 10px; }.command-box code { font-size: 11px; }.journal-grid { gap: 14px; }.journal-card { padding: 19px; }.journal-card h3 { font-size: 18px; }.journal-card > span:first-child { font-size: 8px; letter-spacing: .2px; }.journal-card p { font-size: 11px; }.faq-section { grid-template-columns: 1fr; gap: 28px; padding: 55px 0; }.closing-cta { padding: 45px 0 75px; }.closing-cta h2 { font-size: 40px; } }
@media (max-width: 540px) { .header-actions { gap: 9px; }.header-actions .icon-button { width: 27px; }.header-actions .icon { width: 21px; height: 21px; }.header-actions .nav-download { padding: 7px 11px; font-size: 13px; }.brand .brand-mark { width: 30px; height: 30px; }.hero-copy { padding-inline: 16px; }.hero { padding-top: 36px; }h1 { font-size: clamp(39px, 10.8vw, 58px); letter-spacing: -2.1px; }.hero-subtitle { font-size: 22px; line-height: 1.45; max-width: 350px; margin-top: 24px; letter-spacing: -.5px; }.download-card { margin-top: 28px; width: min(370px, 100%); }.hero-download { font-size: 17px; padding: 15px 12px; gap: 9px; border-radius: 7px; }.windows-icon { grid-template-columns: repeat(2, 9px); grid-template-rows: repeat(2, 9px); gap: 2px; }.download-alternatives { font-size: 11px; margin-top: 15px; }.download-note { font-size: 10px; margin-top: 12px; }.hero-showcase { padding: 22px 13px 0; border-radius: 9px; margin-top: 22px; }.showcase-controls { flex-direction: column; gap: 3px; padding-top: 13px; }.showcase-controls > span { font-size: 9px; }.waveform-view { padding: 10px 7px 0; }.content-sections { padding-top: 28px; }.feature-row { padding: 35px 0; gap: 26px; }.feature-copy h2 { font-size: 28px; letter-spacing: -.7px; }.feature-copy p { font-size: 13px; line-height: 1.95; }.arrow-link { font-size: 13px; margin-top: 17px; }.feature-visual { padding: 20px; border-radius: 8px; }.three-columns { grid-template-columns: 1fr; gap: 28px; padding: 20px 0 40px; }.three-columns h3 { font-size: 22px; margin-bottom: 12px; }.three-columns p { font-size: 13px; margin-top: 9px; }.callout-banner { display: block; padding: 26px; margin: 15px 0 5px; }.callout-banner h2 { font-size: 27px; }.callout-banner > div { margin-top: 22px; }.callout-banner p { font-size: 13px; }.secondary-button { font-size: 12px; padding: 10px 15px; }.domain-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }.domain-grid > span { font-size: 11px; gap: 8px; }.domain-grid i { font-size: 24px; }.section-intro h2 { font-size: 28px; line-height: 1.35; }.section-intro > p { font-size: 13px; line-height: 1.9; margin-top: 14px; }.more-features { padding: 40px 0 30px; }.feature-card-grid { gap: 12px; margin-top: 28px; }.feature-card { padding: 20px 16px; }.feature-card > .icon { width: 20px; height: 20px; padding: 8px; }.feature-card h3 { font-size: 15px; line-height: 1.4; min-height: 42px; margin: 16px 0 8px; }.feature-card p { font-size: 11px; margin: 0; min-height: 60px; }.feature-card > span { font-size: 9px; line-height: 1.7; margin-top: 16px; }.getting-started { padding-block: 40px 25px; }.guide-grid { grid-template-columns: 1fr; gap: 33px; margin-top: 30px; }.guide-grid h3 { font-size: 18px; margin-top: 18px; }.guide-grid p { font-size: 13px; }.guide-number { padding-bottom: 12px; }.command-box code { font-size: 13px; }.guide-grid blockquote { font-size: 13px; padding: 16px; }.journal-section { padding: 40px 0 25px; }.journal-grid { grid-template-columns: 1fr; gap: 15px; margin-top: 30px; }.journal-card { padding: 25px; }.journal-card h3 { font-size: 24px; margin-top: 20px; }.journal-card h3 br { display: none; }.journal-card > span:first-child { font-size: 10px; letter-spacing: 1px; }.journal-card p { font-size: 12px; }.journal-link { margin-top: 20px; }.faq-section { padding-block: 40px; gap: 24px; }.faq-section > h2 { font-size: 28px; }.faq-list summary { font-size: 13px; padding-block: 20px; }.faq-list details p { font-size: 12px; }.closing-cta { padding: 35px 0 65px; }.closing-cta h2 { font-size: 39px; }.closing-cta > .brand-mark { width: 43px; height: 43px; }.footer-top { flex-wrap: wrap; gap: 18px; }.footer-top > span { width: 100%; order: 2; font-size: 11px; }.footer-top > a:last-child { font-size: 11px; }.footer-bottom { flex-direction: column; gap: 20px; }.footer-bottom > div { gap: 20px; font-size: 10px; flex-wrap: wrap; }.site-footer { padding-bottom: 28px; }.site-dialog { padding: 32px 24px; max-height: calc(100dvh - 32px); }.site-dialog h2 { font-size: 29px; }.dialog-description { font-size: 13px; }.search-dialog { padding: 0; margin-top: 10vh; }.search-input-wrap { padding: 16px; gap: 10px; }.search-input-wrap input { font-size: 16px; }.search-results { max-height: 55vh; }.article-body { font-size: 13px; }.toast { width: max-content; max-width: calc(100% - 40px); font-size: 12px; text-align: center; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }
/* Source-based client previews. No raster product images or desktop runtime. */
.client-tour { position:relative;z-index:2;display:flex;align-items:center;gap:6px;background:#f5f6f8;padding:8px 12px;border-radius:8px 8px 0 0;border:1px solid #d2d9e3;border-bottom:0;color:#334155; }
.client-tour button {background:transparent;font:500 12px/1.5 "Segoe UI","Microsoft YaHei",sans-serif;padding:7px 12px;border-radius:4px;color:#465467;white-space:nowrap;}
.client-tour button[aria-pressed="true"] {background:white;color:#0078d4;box-shadow:0 1px 4px #0001;}
.client-tour .client-expand {margin-left:auto;}
#hero-client {position:relative;z-index:1;border:1px solid #a7b7c9;border-bottom:0;box-shadow:0 10px 60px #00358244;}
.feature-visual.native-feature {position:relative;display:block;min-width:0;padding:25px 25px 13px;}
.native-feature tazhan-client-ui {border:1px solid #778a9c55;box-shadow:0 12px 35px #142c5520;border-radius:5px;}
.agent-visual.native-feature {padding:27px 80px 12px;}
.native-expand {display:block;background:none;color:var(--fg);font-size:12px;padding:14px 0 0;margin:auto;}
.client-preview-dialog {padding:0;border:1px solid var(--border);border-radius:10px;width:min(1600px,calc(100vw - 32px),calc((100dvh - 130px)*1.6));max-width:none;max-height:calc(100dvh - 24px);overflow:auto;background:var(--bg);color:var(--fg);box-shadow:0 30px 90px #0005;}
.client-preview-dialog::backdrop {background:#071326b3;}
.client-preview-heading {display:flex;justify-content:space-between;align-items:center;padding:12px 18px;font-size:13px;}
.client-preview-heading button {background:var(--subtle);padding:7px 13px;border-radius:4px;}
.client-preview-dialog p {font-size:12px;margin:0;padding:12px 18px;color:var(--muted);line-height:1.7;}
.client-preview-dialog:has(tazhan-client-ui[style*="500 / 680"]) {width:min(540px,calc(100vw - 32px),calc((100dvh - 130px)*.735));}
@media(max-width:800px){.client-tour {padding:5px;gap:2px;}.client-tour button {padding:6px 7px;font-size:10px;}.feature-visual.native-feature {padding:18px 18px 10px;}.agent-visual.native-feature {padding:20px 18% 10px;}.showcase-controls {flex-wrap:wrap;}.showcase-controls>span {font-size:10px;}}
@media(max-width:540px){.client-tour {flex-wrap:wrap;}.client-tour button {font-size:9px;padding:4px 5px;}.client-tour .client-expand {padding-inline:3px;}.native-expand {font-size:11px;}}

.client-preview-viewport {overflow:auto;overscroll-behavior:contain;}
.demo-toggle {display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:6px;font-size:12px;min-width:152px;transition:transform .18s,background .18s;}
.demo-toggle:hover {transform:translateY(-2px);background:var(--link);color:#fff;}
.demo-toggle .icon {width:16px;height:16px;}
.demo-toggle[data-state="playing"] .icon {stroke:none;background:linear-gradient(currentColor,currentColor) 4px 3px/3px 10px no-repeat,linear-gradient(currentColor,currentColor) 10px 3px/3px 10px no-repeat;}
.demo-toggle[data-state="playing"] use {display:none;}
.demo-toggle:disabled {opacity:.6;transform:none;}
.demo-progress {position:absolute;left:0;right:0;bottom:0;height:3px;z-index:4;pointer-events:none;}
.demo-progress span {display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,#b0e2ff,#0078d4);}
#demo-caption {min-width:0;line-height:1.8;}
@media(max-width:540px){.showcase-controls {gap:9px;}.demo-toggle {font-size:11px;padding:9px 13px;}.showcase-controls>.replay-button {padding:2px 0;}}
@media(max-width:800px){.client-preview-dialog {width:calc(100vw - 24px);}.client-preview-viewport {max-height:calc(100dvh - 160px);}.client-preview-viewport>tazhan-client-ui {min-width:1280px;}.client-preview-viewport>tazhan-client-ui[style*="500 / 680"] {min-width:500px;}.client-preview-dialog:has(tazhan-client-ui[style*="500 / 680"]) {width:calc(100vw - 24px);}}

.brand-mark { display: block; flex-shrink: 0; fill: currentColor; stroke: none; }

/* A sequence of full-height chapters. Pin the chapter, translate only its track. */
html { scroll-behavior: auto; scroll-padding-top: 0; }
.site-header { position: absolute; inset: 0 0 auto; background: transparent; border: 0; }
.language-trigger { display: inline-flex; align-items: center; gap: 9px; padding: 9px 11px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--fg); font: inherit; font-size: 12px; line-height: 1.4; cursor: pointer; }
.language-trigger:hover, .language-trigger[aria-expanded="true"] { background: var(--subtle); border-color: var(--border); }
.language-trigger > .icon { width: 17px; height: 17px; flex: none; }
.language-trigger .language-chevron { width: 12px; height: 12px; margin-left: 3px; transition: transform .18s; }
.language-trigger[aria-expanded="true"] .language-chevron { transform: rotate(180deg); }
.language-menu { position: fixed; inset: auto; top: var(--language-top, 72px); right: var(--language-right, 24px); margin: 0; width: 344px; max-width: calc(100vw - 24px); max-height: calc(100dvh - var(--language-top, 72px) - 12px); overflow-y: auto; overscroll-behavior: contain; padding: 20px; border: 1px solid var(--border); border-radius: 18px; background: var(--card-bg); color: var(--fg); box-shadow: 0 16px 56px #101a2924, 0 3px 10px #101a2910; }
.language-menu:popover-open { animation: language-reveal .18s ease-out; }
.language-menu-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 19px; }
.language-menu-kicker { font: 9px/1.5 Consolas, monospace; letter-spacing: 1.6px; color: var(--muted); }
.language-menu-heading h2 { margin: 5px 0 0; font-size: 19px; line-height: 1.3; font-weight: 650; letter-spacing: -.025em; }
.language-menu-smile { width: 36px; height: 36px; color: var(--fg); transform: rotate(-12deg); }
.language-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.language-option { position: relative; display: flex; flex-direction: column; align-items: start; gap: 14px; min-width: 0; min-height: 107px; padding: 13px; background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 10px; text-align: left; cursor: pointer; transition: background .15s, border-color .15s; }
.language-option:hover { background: var(--subtle); border-color: var(--muted); }
.language-option[aria-checked="true"] { background: color-mix(in srgb, #ffd52a 12%, var(--bg)); border-color: color-mix(in srgb, #b58f00 65%, var(--fg)); }
.language-badge { font: 14px/1 Consolas, "Microsoft YaHei", monospace; font-weight: 600; letter-spacing: -.04em; }
.language-option-copy { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.language-option-copy b { font-size: 13px; line-height: 1.3; font-weight: 600; }
.language-option-copy small { color: var(--muted); font-size: 10px; line-height: 1.4; overflow-wrap: anywhere; }
.language-check { position: absolute; top: 11px; right: 11px; width: 18px; height: 18px; padding: 3px; border-radius: 50%; color: #29271d; background: #ffd52a; visibility: hidden; }
.language-option[aria-checked="true"] .language-check { visibility: visible; }
.language-menu-note { display: flex; align-items: center; gap: 7px; margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--border); font-size: 10px; line-height: 1.5; color: var(--muted); }
.language-menu-note > span:first-child { width: 5px; height: 5px; border-radius: 50%; background: #b99c32; flex: none; }
.language-trigger:focus-visible, .language-option:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
@keyframes language-reveal { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 540px) { .language-trigger { padding: 8px; gap: 7px; }.language-menu { padding: 17px; }.language-option { min-height: 101px; padding: 12px; } }
@media (prefers-reduced-motion: reduce) { .language-menu:popover-open { animation: none; }.language-trigger .language-chevron, .language-option { transition: none; } }
.slide { min-height: 100svh; position: relative; }
.eyebrow { display: block; font: 11px/1.5 Consolas, monospace; letter-spacing: 2px; font-weight: 500; }
.hero.slide { height: 100svh; min-height: 620px; padding: 110px 0 74px; display: flex; flex-direction: column; align-items: center; justify-content: center; isolation: isolate; }
.smile-field { position: absolute; inset: 0; z-index: -1; }
.hero-kicker { margin-bottom: 36px; text-align: center; color: var(--muted); padding-inline: 24px; }
.hero-copy h1 { font-size: clamp(64px, 7.5vw, 118px); line-height: 1.02; letter-spacing: -.06em; }
.hero-subtitle { font-size: clamp(19px, 2vw, 29px); margin-top: 28px; }
.hero .download-card { margin-top: 38px; }
.scroll-cue { position: absolute; bottom: 28px; display: flex; align-items: center; gap: 26px; color: var(--fg); text-decoration: none; font: 10px Consolas, monospace; letter-spacing: 2px; }
.scroll-cue > span:last-child { font-size: 23px; }
.slide-inner { padding-block: 100px 66px; }
.slide h2 { font-size: clamp(36px, 4.1vw, 64px); letter-spacing: -.045em; line-height: 1.08; }
.slide-inner > .eyebrow { margin-bottom: 27px; color: var(--link); }
.workbench-slide { display: flex; flex-direction: column; justify-content: center; padding: 55px 0 30px; background: var(--subtle); }
.workbench-heading { display: flex; align-items: end; justify-content: space-between; gap: 25px; }
.workbench-heading .eyebrow { color: var(--muted); margin-bottom: 14px; }
.workbench-heading h2 { font-size: clamp(28px, 3vw, 46px); }
.workbench-heading p { font-size: 13px; line-height: 1.8; color: var(--muted); margin: 0; }
.workbench-slide .hero-showcase { margin-top: 24px; padding: 12px 12px 0; width: min(1120px, calc(100% - 120px), calc((100svh - 340px) * 1.6)); border: 1px solid var(--border); background: var(--bg); box-shadow: 0 20px 60px #101a2914; border-radius: 10px; }
.hero-showcase::before, .hero-showcase::after { display: none; }
.workbench-slide .showcase-controls { flex-wrap: wrap; padding-top: 14px; }
.horizontal-chapter { --story-paper: #f1f0ea; --story-inset: clamp(72px, 10svh, 100px); position: relative; height: 100svh; min-height: 0; background: var(--bg); overflow: hidden; }
.horizontal-track { display: flex; width: 400%; height: 100%; }
.horizontal-panel { flex: 0 0 25%; width: 25%; height: 100%; padding: var(--story-inset) max(70px, calc((100vw - 1160px) / 2)); display: grid; grid-template-columns: minmax(270px, .85fr) minmax(0, 1.45fr); gap: 6vw; align-items: center; align-content: center; margin: 0; }
.horizontal-panel:nth-child(odd) { background: var(--subtle); }
.horizontal-panel:nth-child(even) { background: var(--bg); }
.story-copy h2 { margin: 25px 0; font-size: clamp(36px, min(4.2vw, 7svh), 65px); line-height: 1.02; letter-spacing: -.055em; }
.story-copy .eyebrow { color: var(--muted); font-size: 10px; }
.story-copy p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.story-copy .arrow-link { font-size: 13px; }
.story-scene { min-width: 0; position: relative; width: 100%; }
.scene-meta { font: 10px/1.7 Consolas, monospace; letter-spacing: 1.3px; color: var(--muted); display: block; margin-bottom: 28px; }
.conversation-scene { padding: 20px 0; }
.user-bubble { border-radius: 22px 22px 3px 22px; background: #f5dc63; color: #28271f; padding: 30px; margin-left: 15px; box-shadow: 0 20px 40px #594a1b10; }
.bubble-author { display: flex; justify-content: space-between; font: 11px Consolas, monospace; letter-spacing: 2px; margin-bottom: 24px; }
.bubble-author > span { font-size: 25px; }
.user-bubble p:first-of-type { font-size: clamp(20px, 1.9vw, 28px); line-height: 1.5; letter-spacing: -.5px; margin: 0 0 18px; font-weight: 600; }
.user-bubble p:last-of-type { font-size: 14px; line-height: 1.95; margin: 0; }
.brief-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.brief-tags > span { border: 1px solid #28271f35; border-radius: 25px; padding: 6px 10px; font: 10px Consolas, monospace; }
.bubble-echo { display: flex; align-items: center; gap: 11px; padding: 23px 0; font-size: 12px; }
.bubble-echo svg { width: 28px; height: 28px; color: var(--fg); }
.thinking-dots { margin-left: auto; font: 24px/1 Consolas, monospace; letter-spacing: 4px; }
.story-footnote { display: block; font: 10px/1.8 Consolas, "Microsoft YaHei", monospace; color: var(--muted); margin-top: 20px; }
.thinking-scene { background: var(--subtle); padding: 27px; border: 1px solid var(--border); border-radius: 18px; }
.agent-heading { display: flex; gap: 12px; align-items: center; }
.agent-heading > svg { width: 32px; height: 32px; }
.agent-heading b { font-size: 13px; font-weight: 600; display: block; }
.agent-heading .agent-story-status { display: block; font-size: 10px; color: var(--muted); margin-top: 5px; }
.reasoning-list { margin-top: 27px; }
.reasoning-step { display: flex; gap: 14px; padding-block: 15px; border-top: 1px solid var(--border); align-items: start; }
.reasoning-step > span { font: 11px/1.8 Consolas, monospace; color: var(--muted); }
.reasoning-step b { font-size: 13px; font-weight: 600; }
.reasoning-step p { font-size: 11px; line-height: 1.7; margin: 7px 0 0; color: var(--muted); }
.reasoning-step > i { margin-left: auto; color: #4f997b; font-size: 12px; font-style: normal; }
.phase-diagram { display: flex; align-items: center; gap: 14px; margin-top: 20px; padding: 17px; border-radius: 9px; background: var(--bg); }
.bus-label { font: 12px/1.5 Consolas, monospace; white-space: nowrap; }
.bus-label small { font-size: 7px; color: var(--muted); }
.phase-lanes { flex: 1; display: grid; gap: 14px; border-inline: 1px solid var(--border); padding-inline: 15px; }
.phase-lanes > div { --phase-color: #a66eff; display: flex; align-items: center; gap: 9px; font: 10px Consolas, monospace; color: var(--phase-color); }
.phase-lanes > div:nth-child(2) { --phase-color: #3da88c; }
.phase-lanes > div:nth-child(3) { --phase-color: #e9a334; }
.phase-lanes i { font-style: normal; }
.energy-line { flex: 1; height: 2px; background: currentColor; transform-origin: left; }
.phase-angle { width: 30px; text-align: right; font-size: 9px; }
/* Compact versions of the desktop waveform viewer and VS Code-style MCU workspace. */
.waveform-scene { display: flex; flex-direction: column; height: min(580px, calc(100svh - 2 * var(--story-inset))); background: #fff; color: #28323e; border: 1px solid #c9cdd2; border-radius: 12px; overflow: hidden; box-shadow: 0 24px 65px #182c4012; }
.scope-toolbar { flex-shrink: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 5px 10px; border-bottom: 1px solid #c4c4c4; background: #efefef; font-size: 10px; }
.scope-toolbar > span:not(.scope-tool-divider), .scope-toolbar button { white-space: nowrap; padding: 4px 7px; }
.scope-toolbar button { border: 0; background: transparent; color: inherit; border-radius: 5px; font: inherit; }
.scope-toolbar button:hover { background: #dedfe1; }
.scope-tool-active, .scope-toolbar button[aria-pressed="true"] { background: #d6d7d9; border-radius: 5px; }
.scope-tool-divider { width: 1px; height: 18px; background: #c4c4c4; margin: 0 3px; }
.scope-toolbar-meta { margin-left: auto; font: 9px Consolas, monospace; color: #69737e; }
.scope-channels { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: 9px; padding: 18px 20px 12px; }
.scope-channels button { --trace-color: #7c3aed; display: flex; align-items: center; gap: 7px; color: var(--trace-color); padding: 5px 8px; font: 11px Consolas, monospace; border: 1px solid color-mix(in srgb, var(--trace-color) 22%, transparent); background: color-mix(in srgb, var(--trace-color) 5%, white); border-radius: 4px; }
.scope-channels [data-wave-channel="b"] { --trace-color: #08916b; }
.scope-channels [data-wave-channel="c"] { --trace-color: #dc770b; }
.scope-channels [data-wave-channel="sum"] { --trace-color: #2563eb; }
.scope-channels button[aria-pressed="false"] { opacity: .5; background: transparent; border-style: dashed; }
.scope-channels i { width: 12px; height: 2px; background: var(--trace-color); }
.scope-plot { position: relative; flex: 1; min-height: 0; padding: 18px 15px 0 15px; }
.boost-wave-svg { width: 100%; height: calc(100% - 30px); display: block; overflow: visible; }
.scope-grid line { stroke: #e4e7eb; stroke-width: 1; stroke-dasharray: 2 4; }
.scope-grid text { fill: #687582; font: 10px Consolas, monospace; }
.scope-traces path { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.scope-traces path[hidden] { display: none; }
.scope-cursor { stroke: #b45309; stroke-width: 1; stroke-dasharray: 4 5; }
.axis-current { position: absolute; top: 3px; left: 25px; font: 9px Consolas, "Microsoft YaHei", monospace; color: #69737e; }
.scope-axis { height: 30px; display: flex; align-items: center; justify-content: space-between; margin-left: 9%; margin-right: 4%; padding-bottom: 15px; color: #69737e; font: 10px Consolas, monospace; }
.scope-readouts { flex-shrink: 0; display: flex; padding: 17px 22px; border-top: 1px solid #e3e5e8; gap: 40px; background: #fafbfc; }
.scope-readouts > span { font: 9px Consolas, "Microsoft YaHei", monospace; color: #69737e; }
.scope-readouts b { display: block; margin-top: 6px; color: #28323e; font: 17px Consolas, monospace; }
.scope-statusbar { flex-shrink: 0; display: flex; justify-content: space-between; gap: 10px; padding: 7px 17px; border-top: 1px solid #d5d8dd; background: #efefef; font: 9px Consolas, "Microsoft YaHei", monospace; color: #59636e; }
.code-scene { background: #1e1e1e; color: #ccc; border: 1px solid #3c3c3c; border-radius: 12px; overflow: hidden; box-shadow: 0 24px 65px #15202b18; }
.firmware-workspace { display: grid; grid-template-columns: 140px minmax(0, 1fr); }
.code-explorer { display: flex; flex-direction: column; background: #252526; border-right: 1px solid #2d2d30; padding-top: 14px; font: 9px/1.8 Consolas, "Microsoft YaHei", monospace; }
.explorer-title { color: #aaa; padding: 0 13px 16px; letter-spacing: 1px; }
.code-explorer b { font-weight: 600; font-size: 10px; padding: 0 12px 6px; }
.explorer-folder { color: #b5b5b5; padding: 5px 14px; }
.explorer-file { padding: 5px 9px 5px 22px; white-space: nowrap; font-size: 8px; }
.explorer-file.is-active { background: #373737; color: #fff; }
.explorer-file i { font-style: normal; color: #60b8e8; margin-right: 4px; }
.explorer-target { margin: auto 12px 18px; padding-top: 13px; border-top: 1px solid #3c3c3c; display: flex; gap: 7px; color: #aaa; font-size: 9px; }
.explorer-target .icon { width: 17px; height: 17px; }
.explorer-target small { display: block; color: #858585; font-size: 8px; }
.firmware-editor-main { min-width: 0; }
.editor-tabbar { background: #252526; }
.editor-file-tab { display: flex; align-items: center; gap: 7px; padding: 10px 14px; width: fit-content; background: #1e1e1e; border-top: 1px solid #007acc; border-right: 1px solid #2d2d30; color: #fff; font: 10px Consolas, monospace; }
.editor-file-tab > span { color: #60b8e8; }
.editor-file-tab i { font: 14px/1 Consolas, monospace; margin-left: 16px; color: #aaa; }
.editor-breadcrumb { padding: 10px 16px 4px; color: #aaa; font: 9px Consolas, "Microsoft YaHei", monospace; }
.editor-breadcrumb span { color: #6e6e6e; margin: 0 6px; }
.code-tabs { display: flex; align-items: center; gap: 5px; padding: 8px 13px 12px; }
.code-tabs button { color: #aaa; background: transparent; border: 1px solid #3c3c3c; padding: 4px 7px; font-size: 9px; border-radius: 3px; }
.code-tabs button[aria-pressed="true"] { color: #c2e7ff; background: #007acc24; border-color: #007acc; }
.code-writing-state { margin-left: auto; font: 8px Consolas, monospace; color: #8ecbfa; white-space: nowrap; }
.code-editor { display: flex; min-height: 333px; padding: 3px 16px 16px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: #555 #1e1e1e; }
.code-lines { padding-right: 17px; text-align: right; color: #858585; user-select: none; font: 10px/1.9 Consolas, monospace; white-space: pre; }
.code-editor pre { margin: 0; font: 10px/1.9 Consolas, monospace; white-space: pre; }
.boost-code { font: inherit; }
.boost-code .code-keyword { color: #569cd6; }
.boost-code .code-number { color: #b5cea8; }
.boost-code .code-comment { color: #6a9955; }
.boost-code .code-string { color: #ce9178; }
.typing-caret { color: #aeafad; }
.code-status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #fff; }
.code-bottom { display: flex; align-items: center; gap: 7px; padding: 7px 13px; background: #007acc; font: 8px Consolas, monospace; color: #fff; }
.code-bottom > span:last-child { margin-left: auto; }
.chapter-tabs { position: absolute; z-index: 2; top: 33px; left: 5%; right: 5%; display: flex; gap: 27px; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 19px; }
.chapter-tabs a { color: var(--muted); text-decoration: none; font: 11px Consolas, monospace; }
.chapter-tabs a[aria-current="true"] { color: var(--fg); }
.chapter-tabs > span { margin-left: auto; font: 8px Consolas, monospace; letter-spacing: 1px; color: var(--muted); }
.chapter-progress { position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: var(--border); }
.chapter-progress span { display: block; width: 100%; height: 100%; background: var(--fg); transform: scaleX(0); transform-origin: left; }
.workflow-slide { background: var(--fg); color: var(--bg); display: flex; align-items: center; }
.workflow-slide .slide-inner { padding-block: 64px; }
.workflow-slide .eyebrow, .workflow-slide p { color: color-mix(in srgb, var(--bg) 65%, transparent); }
.workflow-slide .three-columns { padding: 40px 0 32px; gap: 38px; }
.workflow-slide .three-columns h3 { font-size: 20px; margin-bottom: 16px; }
.workflow-slide .three-columns p { font-size: 13px; margin-top: 10px; line-height: 1.8; }
.domain-band { padding-top: 26px; border-top: 1px solid color-mix(in srgb, var(--bg) 20%, transparent); }
.domain-band .eyebrow { font-size: 9px; margin-bottom: 20px; }
.domain-band .domain-grid { grid-template-columns: repeat(3, 1fr); gap: 12px 24px; }
.domain-band .domain-grid > span { min-width: 0; white-space: normal; overflow-wrap: anywhere; font-size: 11px; line-height: 1.6; }
.domain-band .domain-grid i { flex: none; font-size: 19px; }
.getting-started.slide { padding: 0; display: flex; align-items: center; }
.getting-started .section-intro { text-align: left; }
.getting-started .section-intro .eyebrow { margin-bottom: 22px; color: var(--link); }
.getting-started .guide-grid { margin-top: 40px; }
.example-strip { margin-top: 50px; padding-top: 23px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.example-strip > span { font: 10px Consolas, monospace; color: var(--muted); letter-spacing: 1px; }
.example-strip a { font-size: 13px; }
.learn-slide { background: var(--subtle); display: flex; align-items: center; }
.learn-slide .slide-inner { padding-block: 60px; }
.learn-slide .journal-section { padding: 0; }
.learn-slide .section-intro { text-align: left; }
.learn-slide .section-intro h2 { font-size: clamp(32px, 3.6vw, 50px); }
.learn-slide .journal-grid { margin-top: 25px; }
.learn-slide .journal-card { padding: 22px; }
.learn-slide .journal-card h3 { margin: 18px 0 10px; font-size: 22px; line-height: 1.4; }
.learn-slide .journal-link { margin-top: 18px; }
.learn-slide .faq-section { padding: 40px 0 0; }
.learn-slide .faq-section h2 { font-size: 27px; }
.learn-slide .faq-list summary { padding-block: 14px; font-size: 12px; }
.finale { --finale-bg: #ffd52a; --finale-ink: #20201d; --finale-mouth: #20201d; --finale-smile: #ff754f; --finale-ring: #20201d; --finale-eye: #20201d; --finale-wink: #20201d; background: var(--finale-bg); color: var(--finale-ink); display: flex; flex-direction: column; justify-content: space-between; padding: 30px 5% 0; min-height: 100svh; }
.finale-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.palette-toggle { width: 40px; height: 40px; border: 1px solid currentColor; border-radius: 50%; color: inherit; background: transparent; flex-shrink: 0; }
.palette-toggle .icon { width: 20px; height: 20px; }
.palette-toggle:hover:not(:disabled) { background: color-mix(in srgb, var(--finale-ink) 10%, transparent); }
.palette-toggle:focus-visible { outline-color: currentColor; }
.palette-toggle:disabled { opacity: .45; }
.finale-art { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 7vw; max-width: 1200px; width: 100%; margin: auto; padding: 35px 0; }
.finale-smile { width: min(100%, 56svh); height: auto; color: var(--finale-ink); transform: rotate(-12deg); }
.finale h2 { font-size: clamp(55px, 7vw, 104px); line-height: .98; letter-spacing: -.06em; margin: 25px 0 35px; }
.finale-download { display: inline-flex; background: var(--finale-ink); color: var(--finale-bg); padding: 15px 25px; border-radius: 4px; font-size: 17px; font-weight: 600; }
.finale .site-footer { width: 100%; padding-bottom: 25px; }
.finale .footer-top { padding-block: 18px; border-color: color-mix(in srgb, var(--finale-ink) 25%, transparent); }
.finale .site-footer a, .finale .site-footer button, .finale .site-footer span, .finale .footer-bottom { color: inherit; }
.slide-rail { position: fixed; z-index: 30; right: 22px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 19px; align-items: flex-end; mix-blend-mode: difference; }
.slide-rail a { width: 13px; height: 2px; background: white; opacity: .3; border-radius: 1px; position: relative; transition: width .3s, opacity .3s; }
.slide-rail a::before { content: ''; position: absolute; inset: -7px; }
.slide-rail a[aria-current="true"] { opacity: 1; width: 28px; }
.slide-rail a:hover { opacity: 1; width: 22px; }
.slide-rail a[aria-current="true"]::after { content: ""; position: absolute; height: 2px; width: 35px; right: 0; top: -5px; background: white; transform: scaleX(var(--wheel-charge, 0)); transform-origin: right; opacity: .45; }
@media (max-height: 760px) and (min-width: 901px) {
  .thinking-scene { padding: 18px; }
  .reasoning-list { margin-top: 15px; }
  .reasoning-step { padding-block: 9px; }
  .reasoning-step p { margin-top: 5px; }
  .phase-diagram { margin-top: 12px; padding: 12px; }
  .phase-lanes { gap: 10px; }
  .thinking-scene > .story-footnote { margin-top: 12px; }
  .code-editor { min-height: 280px; padding-bottom: 10px; }
  .code-editor pre, .code-lines { font-size: 9px; line-height: 1.8; }
  .story-copy h2 { margin-block: 20px; }

  .hero.slide { padding-top: 90px; }
  .hero-kicker { margin-bottom: 22px; }
  .hero-copy h1 { font-size: 80px; }
  .hero-subtitle { margin-top: 19px; }
  .hero .download-card { margin-top: 24px; }
  .workflow-slide .slide-inner, .learn-slide .slide-inner { padding-block: 40px; }
  .workflow-slide h2 { font-size: 42px; }
  .workflow-slide .three-columns { padding-block: 25px; }
}
@media (max-width: 900px) {
  html { scroll-snap-type: y proximity; }
  .slide { scroll-snap-align: start; }
  .hero.slide { min-height: 650px; }
  .hero-copy h1 { font-size: clamp(49px, 9vw, 80px); }
  .hero-kicker { font-size: 9px; letter-spacing: 1px; }
  .slide-rail { display: none; }
  .workbench-slide { padding-block: 65px; gap: 10px; }
  .workbench-heading { display: block; }
  .workbench-heading p { margin-top: 20px; }
  .workbench-slide .hero-showcase { width: calc(100% - 40px); padding: 7px 7px 0; }
  .horizontal-chapter { height: auto; min-height: 0; padding-top: 80px; }
  .chapter-tabs { top: 24px; gap: 22px; overflow-x: auto; white-space: nowrap; }
  .chapter-tabs > span { display: none; }
  .horizontal-track { width: 100%; height: auto; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: thin; }
  .waveform-scene { height: 460px; }
  .horizontal-panel { flex-basis: 100%; width: 100%; height: auto; min-height: calc(100svh - 80px); padding: 35px 6%; grid-template-columns: 1fr; gap: 30px; align-content: center; scroll-snap-align: start; }
  .story-copy h2 { font-size: 42px; margin: 18px 0; }
  .story-copy p { font-size: 13px; }
  .story-copy .eyebrow { font-size: 9px; }
  .story-copy .arrow-link { margin-top: 8px; }
  .user-bubble { padding: 22px; margin-left: 0; }
  .user-bubble p:last-of-type { font-size: 12px; }
  .thinking-scene { padding: 20px; }
  .phase-diagram { padding: 13px 10px; gap: 10px; }
  .phase-lanes { padding-inline: 9px; }
  .scope-toolbar { padding-inline: 7px; gap: 2px; font-size: 9px; }
  .scope-toolbar-meta { display: none; }
  .scope-channels { gap: 5px; padding: 14px 12px; }
  .scope-channels button { font-size: 10px; padding: 5px 6px; }
  .firmware-workspace { grid-template-columns: 1fr; }
  .code-explorer { display: none; }
  .scope-readouts { gap: 20px; }
  .scope-readouts b { font-size: 14px; }
  .code-editor { padding-inline: 13px; min-height: 310px; }
  .code-editor pre, .code-lines { font-size: 10px; }
  .code-lines { padding-right: 10px; }
  .chapter-tabs { gap: 21px; }
  .chapter-tabs a { font-size: 9px; }
  .horizontal-panel .feature-copy h2 { font-size: 38px; }
  .horizontal-panel .feature-copy h2 br { display: initial; }
  .horizontal-panel .feature-copy p { max-width: 600px; font-size: 13px; }
  .horizontal-panel .feature-copy .eyebrow { margin-bottom: 18px; }
  .horizontal-panel .agent-visual { max-width: 350px; width: 75%; }
  .horizontal-panel .feature-visual { width: 100%; }
  .horizontal-chapter { scroll-snap-align: start; }
  .chapter-progress { display: none; }
  .slide-inner { padding-block: 65px; }
  .workflow-slide .three-columns { grid-template-columns: 1fr; gap: 28px; }
  .workflow-slide .three-columns p:last-child { margin-bottom: 0; }
  .domain-band .domain-grid { grid-template-columns: repeat(2, 1fr); gap: 17px 10px; }
  .getting-started .guide-grid { grid-template-columns: 1fr; gap: 28px; }
  .example-strip { flex-direction: column; align-items: start; margin-top: 30px; }
  .learn-slide .journal-grid { grid-template-columns: 1fr; }
  .learn-slide .journal-card h3 br { display: none; }
  .learn-slide .faq-section { grid-template-columns: 1fr; gap: 23px; }
  .finale { padding: 24px 6% 0; min-height: 100svh; }
  .finale-top .eyebrow { font-size: 8px; letter-spacing: 1px; }
  .finale-art { grid-template-columns: 1fr; gap: 18px; justify-items: center; padding-block: 35px; text-align: center; }
  .finale-smile { width: min(58vw, 32svh); }
  .finale-copy .eyebrow { font-size: 9px; }
  .finale h2 { font-size: clamp(50px, 10vw, 76px); margin: 16px 0 23px; }
  .finale-download { padding: 12px 23px; font-size: 15px; }
  .finale .footer-top > span { display: none; }
  .finale .footer-top { gap: 10px; }
  .finale .footer-bottom { gap: 14px; flex-wrap: wrap; }
  .finale .footer-bottom > div { gap: 15px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; }
  .horizontal-track { width: 100%; overflow-x: auto; scroll-behavior: auto; scroll-snap-type: x mandatory; }
  .horizontal-panel { flex: 0 0 100%; width: 100%; scroll-snap-align: start; }
}

/* The hidden logo takeover paints one canvas, independent of the page layout. */
.smile-takeover-open { overscroll-behavior: none; }
.smile-takeover { position: fixed; inset: 0; width: 100%; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; overflow: hidden; overscroll-behavior: none; touch-action: none; }
.smile-takeover::backdrop { background: #20201d; }
.smile-takeover canvas { display: block; width: 100%; height: 100%; }
.smile-takeover-controls { position: absolute; top: max(22px, env(safe-area-inset-top)); right: max(22px, env(safe-area-inset-right)); display: flex; gap: 10px; }
.smile-takeover-controls button { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; background: transparent; color: inherit; }
.smile-takeover-controls button:hover { background: color-mix(in srgb, currentColor 12%, transparent); }
.smile-takeover-controls button:focus-visible { outline-color: currentColor; }
.smile-takeover-controls .icon { width: 19px; height: 19px; }

/* Local-script headings need their own spacing; English keeps its display style. */
:root[data-language="zh-CN"] { --display-leading: 1.28; --display-tracking: .025em; }
:root[data-language="ja"] { --display-leading: 1.32; --display-tracking: .02em; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; }
:root[data-language="ko"] { --display-leading: 1.3; --display-tracking: .01em; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif; }
:root[data-language="de"] { --display-leading: 1.16; --display-tracking: -.015em; }
:root[data-language="mixed"] { --display-leading: 1.16; --display-tracking: -.02em; }
:root[data-language]:not([data-language="en"]) :is(.hero-copy h1, .story-copy h2, #workflow-title, .finale h2, .site-dialog h2) { line-height: var(--display-leading); letter-spacing: var(--display-tracking); }
:root:is([data-language="zh-CN"], [data-language="ja"], [data-language="ko"]) :is(.hero-subtitle, .three-columns h3, .user-bubble p:first-of-type) { letter-spacing: .015em; }
:root:is([data-language="zh-CN"], [data-language="ja"], [data-language="ko"]) .three-columns h3 { line-height: 1.5; }
:root:is([data-language="zh-CN"], [data-language="ja"], [data-language="ko"]) .eyebrow { font-family: inherit; letter-spacing: .08em; line-height: 1.65; }
:root:is([data-language="ja"], [data-language="ko"]) .hero-subtitle, :root[data-language="ko"] p { word-break: keep-all; overflow-wrap: break-word; }
:root[data-language="ko"] :is(.hero-copy h1, .story-copy h2, #workflow-title, .finale h2, .three-columns h3) { word-break: keep-all; }
:root[data-language="de"] :is(.hero-copy h1, .story-copy h2, #workflow-title, .finale h2) { overflow-wrap: normal; }
:root:is([data-language="zh-CN"], [data-language="ja"], [data-language="ko"]) .hero-copy h1 { font-size: clamp(48px, 6.2vw, 94px); }
:root[data-language="de"] .hero-copy h1 { font-size: clamp(44px, 6.5vw, 100px); }
:root[data-language="mixed"] .hero-copy h1 { font-size: clamp(48px, 6.2vw, 94px); }

/* Fit each authored title line to its column without splitting words or glyphs. */
:root[data-language]:not([data-language="en"]) :is(.story-copy, .finale-copy) { container-type: inline-size; min-width: 0; width: 100%; }
:root[data-language="ja"] .story-copy h2 { font-size: clamp(28px, min(4.2vw, 7svh, 12cqi), 56px); }
:root:is([data-language="ko"], [data-language="de"], [data-language="mixed"]) .story-copy h2 { font-size: clamp(30px, min(4.2vw, 7svh, 14cqi), 60px); }
:root[data-language="zh-CN"] .finale h2 { line-height: 1.25; letter-spacing: .035em; }
:root[data-language="ja"] .finale h2 { font-size: clamp(28px, 11.5cqi, 76px); }
:root[data-language="ko"] .finale h2 { font-size: clamp(30px, 13cqi, 84px); }
:root:is([data-language="de"], [data-language="mixed"]) .finale h2 { font-size: clamp(30px, 13cqi, 84px); }
@media (max-width: 900px) {
  :root[data-language="zh-CN"] .hero-copy h1 { font-size: clamp(32px, 10.8vw, 72px); }
  :root[data-language="ja"] .hero-copy h1 { font-size: clamp(28px, 8.7vw, 68px); }
  :root[data-language="ko"] .hero-copy h1 { font-size: clamp(30px, 9.2vw, 68px); }
  :root[data-language="de"] .hero-copy h1 { font-size: clamp(28px, 9vw, 72px); }
  :root[data-language="mixed"] .hero-copy h1 { font-size: clamp(36px, 10vw, 72px); }
  :root[data-language="ja"] .story-copy h2 { font-size: clamp(28px, 12cqi, 46px); }
  :root:is([data-language="ko"], [data-language="de"], [data-language="mixed"]) .story-copy h2 { font-size: clamp(30px, 14cqi, 42px); }
  :root[data-language="ja"] .finale h2 { font-size: clamp(28px, 11.5cqi, 64px); }
  :root:is([data-language="ko"], [data-language="de"], [data-language="mixed"]) .finale h2 { font-size: clamp(30px, 13cqi, 68px); }
}