:root {
  --forest: #173b2c;
  --forest-deep: #0d2118;
  --lime: #d7ff63;
  --mist: #f4f6ef;
  --paper: #fbfcf8;
  --ink: #18201c;
  --slate: #667069;
  --line: #cdd5ce;
  --soft-green: #dde8df;
  --steward: #5d5fef;
  --kitchen: #2e7d5a;
  --training: #c15b35;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background: var(--mist);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--mist); }
body, button, a { -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.22em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--steward); outline-offset: 4px; border-radius: 6px; }
h1, h2, h3, p { text-wrap: pretty; }

.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 16px; color: var(--forest); background: var(--lime); font-weight: 800; transform: translateY(-160%); transition: transform 160ms ease; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 20; top: 0; display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; width: 100%; min-height: 72px; padding: 10px max(24px, calc((100vw - 1240px) / 2)); color: white; background: rgb(13 33 24 / 96%); border-bottom: 1px solid rgb(255 255 255 / 14%); }
.brand { display: inline-flex; min-height: 44px; align-items: center; gap: 10px; font-weight: 760; text-decoration: none; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; color: var(--forest); background: var(--lime); border-radius: 9px; font-size: 0.92rem; font-weight: 900; }
.site-nav { display: flex; justify-content: center; gap: 26px; }
.site-nav a, .site-footer a { display: inline-flex; min-height: 44px; align-items: center; color: rgb(255 255 255 / 72%); font-size: 0.9rem; text-decoration: none; }
.site-nav a:hover, .site-footer a:hover { color: var(--lime); }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 780; text-align: center; text-decoration: none; transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-compact { min-height: 44px; padding-inline: 18px; font-size: 0.9rem; }
.button-accent { color: var(--forest-deep); background: var(--lime); }
.button-accent:hover { background: #e2ff8d; }
.button-light { color: var(--forest); background: white; }
.button-ghost { color: white; border-color: rgb(255 255 255 / 42%); }
.button-ghost:hover { border-color: white; background: rgb(255 255 255 / 8%); }

main { overflow: clip; }
.hero { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr); gap: clamp(44px, 7vw, 104px); align-items: center; min-height: calc(100dvh - 72px); padding: clamp(72px, 10vw, 132px) max(24px, calc((100vw - 1240px) / 2)); color: white; background: var(--forest); }
.hero-copy { max-width: 660px; }
.status { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 32px; color: rgb(255 255 255 / 75%); font-size: 0.86rem; font-weight: 680; }
.status span { width: 8px; height: 8px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 5px rgb(215 255 99 / 13%); }
.product-name { margin: 0 0 16px; color: var(--lime); font-weight: 800; letter-spacing: 0.02em; }
h1 { margin: 0; font-size: clamp(3.6rem, 6.2vw, 5.25rem); line-height: 0.95; letter-spacing: -0.065em; }
.hero-title-line { display: block; white-space: nowrap; }
.hero-lede { max-width: 600px; margin: 32px 0 0; color: rgb(255 255 255 / 78%); font-size: clamp(1.05rem, 1.8vw, 1.25rem); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.candidate-line { margin: 24px 0 0; font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace; color: var(--lime); font-size: 0.88rem; font-weight: 720; }
.invite-note { max-width: 580px; margin: 12px 0 0; color: rgb(255 255 255 / 58%); font-size: 0.84rem; line-height: 1.7; }
.hero-visual { margin: 0; padding: clamp(18px, 2vw, 28px); background: #214b39; border: 1px solid rgb(255 255 255 / 16%); border-radius: 34px; box-shadow: 0 38px 90px rgb(0 0 0 / 24%); }
.hero-visual img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 22px; }
.hero-visual figcaption { margin-top: 18px; color: rgb(255 255 255 / 67%); font-size: 0.86rem; text-align: center; }

.section { width: min(1240px, calc(100% - 48px)); margin-inline: auto; padding: clamp(88px, 10vw, 144px) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-intro { max-width: 820px; margin-bottom: 52px; }
.section-intro > p:last-child { max-width: 650px; color: var(--slate); font-size: 1.04rem; line-height: 1.8; }
.eyebrow { margin: 0 0 18px; color: var(--kitchen); font-size: 0.74rem; font-weight: 840; letter-spacing: 0.16em; }
h2 { margin: 0; font-size: clamp(2.6rem, 5.3vw, 5.2rem); line-height: 0.98; letter-spacing: -0.055em; }
h3 { letter-spacing: -0.025em; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr); gap: 64px; align-items: end; max-width: none; }
.split-heading > p { margin: 0; }

.coordination { padding-top: clamp(96px, 12vw, 168px); }
.coordination-board { display: grid; grid-template-columns: minmax(250px, 0.85fr) minmax(210px, 0.65fr) minmax(300px, 1fr); gap: 18px; align-items: stretch; }
.inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.inputs article { min-height: 132px; padding: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; }
.inputs span, .decision-core span, .daily-plan > p { display: block; margin-bottom: 14px; color: var(--slate); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.inputs strong { display: block; line-height: 1.45; }
.decision-core { display: flex; flex-direction: column; justify-content: center; padding: 28px; color: white; background: var(--forest); border-radius: 22px; }
.decision-core span { color: var(--lime); }
.decision-core strong { font-size: 1.45rem; line-height: 1.25; }
.decision-core small { margin-top: 14px; color: rgb(255 255 255 / 64%); line-height: 1.55; }
.daily-plan { padding: 32px; color: var(--forest); background: var(--lime); border-radius: 22px; }
.daily-plan > p { color: var(--forest); opacity: 0.72; }
.daily-plan h3 { margin: 0 0 28px; font-size: 1.85rem; }
.daily-plan div { display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 17px 0; border-top: 1px solid rgb(23 59 44 / 24%); }
.daily-plan div span { font-size: 0.82rem; font-weight: 800; }
.daily-plan div strong { line-height: 1.5; }

.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.role-card { min-height: 340px; padding: 30px; background: var(--paper); border: 1px solid var(--line); border-top: 5px solid; border-radius: 20px; }
.role-card.steward { border-top-color: var(--steward); }
.role-card.kitchen { border-top-color: var(--kitchen); }
.role-card.training { border-top-color: var(--training); }
.role-avatar { display: grid; width: 54px; height: 54px; place-items: center; color: white; border-radius: 50%; font-size: 1.15rem; font-weight: 850; }
.steward .role-avatar { background: var(--steward); }
.kitchen .role-avatar { background: var(--kitchen); }
.training .role-avatar { background: var(--training); }
.role-card > p:first-of-type { margin: 32px 0 6px; color: var(--slate); font-size: 0.8rem; font-weight: 760; }
.role-card h3 { margin: 0; font-size: 2rem; }
.role-card > p:last-child { margin: 30px 0 0; color: var(--slate); line-height: 1.75; }

.product { width: 100%; padding-inline: max(24px, calc((100vw - 1240px) / 2)); background: var(--paper); }
.screenshot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 6vw, 80px); max-width: 920px; margin-inline: auto; }
.screenshot-grid figure { margin: 0; }
.phone-frame { max-width: 390px; margin-inline: auto; padding: 10px; background: var(--forest-deep); border: 1px solid #405047; border-radius: 36px; box-shadow: 0 34px 64px rgb(23 59 44 / 17%); }
.phone-frame img { width: 100%; aspect-ratio: 9 / 20; object-fit: cover; border-radius: 27px; }
.screenshot-grid figcaption { display: grid; grid-template-columns: auto 1fr; gap: 5px 14px; max-width: 390px; margin: 24px auto 0; }
.screenshot-grid figcaption span { grid-row: 1 / 3; color: var(--kitchen); font-family: monospace; font-weight: 800; }
.screenshot-grid figcaption strong { font-size: 1.05rem; }
.screenshot-grid figcaption small { color: var(--slate); }

.truth-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); }
.truth-grid article { display: grid; grid-template-columns: 48px minmax(140px, 0.55fr) 1fr; gap: 22px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--line); }
.truth-grid article:nth-child(odd) { padding-right: 28px; }
.truth-grid article:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--line); }
.truth-grid span { color: var(--kitchen); font-weight: 800; }
.truth-grid h3 { margin: 0; }
.truth-grid p { margin: 0; color: var(--slate); line-height: 1.7; }

.download { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr); gap: clamp(48px, 9vw, 120px); align-items: center; }
.download-copy h2 { max-width: 720px; }
.download-copy > p:not(.eyebrow) { max-width: 620px; margin: 28px 0 34px; color: var(--slate); line-height: 1.8; }
.release-card { padding: 30px; color: white; background: var(--forest); border-radius: 24px; box-shadow: 0 28px 64px rgb(23 59 44 / 16%); }
.release-title { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; margin-bottom: 28px; }
.release-title span { color: var(--lime); font-size: 0.78rem; font-weight: 800; }
.release-title strong { font-size: 1.7rem; }
.release-card dl { margin: 0; }
.release-card dl div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 20px; padding: 15px 0; border-top: 1px solid rgb(255 255 255 / 16%); }
.release-card dt { color: rgb(255 255 255 / 58%); }
.release-card dd { margin: 0; overflow-wrap: anywhere; }
.release-card code { color: var(--lime); font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace; font-size: 0.72rem; line-height: 1.6; }
.release-card > p { margin: 24px 0 0; color: rgb(255 255 255 / 62%); font-size: 0.84rem; line-height: 1.7; }

.install { display: grid; grid-template-columns: minmax(270px, 0.75fr) minmax(0, 1.25fr); gap: clamp(48px, 9vw, 120px); }
.step-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.step-list li { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.step-list li > span { color: var(--kitchen); font-family: monospace; font-weight: 800; }
.step-list strong { font-size: 1.08rem; }
.step-list p { margin: 8px 0 0; color: var(--slate); line-height: 1.7; }

.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 68px; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 4px; font-size: 1.05rem; font-weight: 760; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--kitchen); font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 760px; margin: 0 0 26px; color: var(--slate); line-height: 1.8; }

.site-footer { display: grid; grid-template-columns: 1fr auto auto; gap: 36px; align-items: start; padding: 48px max(24px, calc((100vw - 1240px) / 2)); color: white; background: var(--forest-deep); }
.site-footer strong { color: var(--lime); }
.site-footer p { margin: 8px 0 0; color: rgb(255 255 255 / 55%); font-size: 0.84rem; }
.site-footer nav { display: flex; gap: 22px; }

.document { width: min(920px, calc(100% - 40px)); margin-inline: auto; }
.document-header { padding: 64px 0 48px; border-bottom: 1px solid var(--line); }
.back-link { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: 48px; color: var(--forest); font-weight: 760; }
.document-header .product-name { color: var(--kitchen); }
.document-header h1 { margin: 0; font-size: clamp(3.4rem, 8vw, 6.4rem); line-height: 0.95; letter-spacing: -0.065em; }
.document-header > p:last-child { max-width: 660px; margin: 24px 0 0; color: var(--slate); line-height: 1.75; }
.policy { padding: 22px 0 96px; }
.policy section { display: grid; grid-template-columns: minmax(200px, 0.55fr) minmax(0, 1.35fr); gap: 52px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.policy h2 { margin: 0; font-size: 1.12rem; line-height: 1.45; letter-spacing: -0.01em; }
.policy p { margin: 0; color: var(--slate); line-height: 1.9; }
.policy a { color: var(--forest); font-weight: 700; }
.document-footer { display: flex; justify-content: space-between; gap: 24px; width: min(920px, calc(100% - 40px)); margin-inline: auto; padding: 28px 0 48px; border-top: 1px solid var(--line); color: var(--slate); font-size: 0.88rem; }
.document-footer p { margin: 0; }
.document-footer nav { display: flex; gap: 20px; }

@media (max-width: 980px) {
  .site-nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-visual { max-width: 760px; }
  .coordination-board { grid-template-columns: 1fr 1fr; }
  .inputs { grid-column: 1 / -1; }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .truth-grid { grid-template-columns: 1fr; }
  .truth-grid article:nth-child(odd), .truth-grid article:nth-child(even) { padding-inline: 0; border-left: 0; }
  .download, .install { grid-template-columns: 1fr; }
  .release-card { max-width: 640px; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer > p { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .site-header { min-height: 64px; padding-inline: 16px; }
  .brand span:last-child { font-size: 0.82rem; }
  .site-header > .button { display: none; }
  .hero { padding: 68px 20px 84px; }
  h1 { font-size: clamp(3.2rem, 14vw, 4.3rem); }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-visual { padding: 10px; border-radius: 22px; }
  .hero-visual img { border-radius: 14px; }
  .section { width: min(100% - 32px, 620px); padding-block: 80px; }
  h2 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .inputs, .coordination-board, .role-grid, .screenshot-grid { grid-template-columns: 1fr; }
  .inputs article { min-height: 110px; }
  .role-card { min-height: 0; }
  .screenshot-grid { gap: 72px; }
  .truth-grid article { grid-template-columns: 42px 1fr; }
  .truth-grid article p { grid-column: 2; }
  .release-card { padding: 24px; }
  .release-card dl div { grid-template-columns: 86px 1fr; }
  .release-title { align-items: flex-start; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; padding-inline: 20px; }
  .site-footer nav { flex-direction: column; gap: 4px; }
  .site-footer > p { grid-column: auto; }
  .policy section { grid-template-columns: 1fr; gap: 16px; }
  .document-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}