body[data-page="home"] {
  --home-ink: #182d38;
  --home-muted: #718187;
  --home-blue: #3469c8;
  --home-blue-deep: #244b91;
  --home-line: rgba(47, 76, 88, .14);
  --home-paper: #f7f8f6;
  --home-glass: rgba(255, 255, 255, .7);
  --scene-tint: #edf2f2;
  background:
    radial-gradient(ellipse at 86% 5%, rgba(172, 197, 222, .25), transparent 34rem),
    radial-gradient(ellipse at 4% 24%, rgba(214, 224, 209, .35), transparent 32rem),
    var(--home-paper);
}
body[data-page="home"] .wrap { width: min(1240px, calc(100% - 96px)); }
body[data-page="home"] .site-header {
  position: fixed; inset: 0 0 auto; border-bottom-color: transparent;
  background: rgba(247, 248, 246, .72);
  -webkit-backdrop-filter: blur(22px) saturate(140%); backdrop-filter: blur(22px) saturate(140%);
  transition: background .3s, border-color .3s, box-shadow .3s;
}
body[data-page="home"] .site-header.is-scrolled { background: rgba(247,248,246,.9); border-bottom-color: var(--home-line); box-shadow: 0 5px 25px rgba(26,46,56,.025); }
body[data-page="home"] .header-inner { min-height: 84px; }
body[data-page="home"] .brand { font-size: 1.2rem; letter-spacing: -.05em; gap: 10px; }
body[data-page="home"] .brand img { width: 35px; height: 35px; border-radius: 11px; border: 1px solid rgba(255,255,255,.8); box-shadow: 0 2px 9px #304b6414; }
body[data-page="home"] .nav { gap: 30px; }
body[data-page="home"] .nav a { position: relative; color: #627279; font-size: .79rem; font-weight: 500; letter-spacing: .01em; transition: color .2s; }
body[data-page="home"] .nav a[aria-current="page"] { color: var(--home-ink); }
body[data-page="home"] .nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -9px; margin: auto; width: 4px; height: 4px; background: var(--home-blue); border-radius: 50%; }
body[data-page="home"] .nav .nav-account { display: inline-flex; padding: 9px 15px; border: 1px solid var(--home-line); border-radius: 999px; background: rgba(255,255,255,.5); color: var(--home-ink); }
body[data-page="home"] .nav .nav-account:hover { background: #fff; border-color: #b7c3c8; }
body[data-page="home"] .nav-external { display: none; }
body[data-page="home"] .hero { position: relative; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 24px; min-height: 850px; padding: 146px 0 105px; text-align: left; }
body[data-page="home"] .hero-copy { position: relative; z-index: 2; padding-bottom: 27px; }
body[data-page="home"] .eyebrow { color: #667b80; font-size: .62rem; font-weight: 650; letter-spacing: .18em; gap: 9px; margin-bottom: 27px; }
.status-dot { display: inline-block; width: 5px; height: 5px; flex: none; border-radius: 50%; background: #5b9b84; box-shadow: 0 0 0 3px rgba(91,155,132,.09); }
body[data-page="home"] .hero h1 { margin: 0; color: var(--home-ink); font-size: clamp(3.7rem,5.65vw,5.3rem); line-height: 1.22; font-weight: 650; letter-spacing: -.085em; }
body[data-page="home"] .hero .hero-period { color: var(--home-ink); }
body[data-page="home"] .hero .hero-emphasis { position: relative; display: inline-block; color: var(--home-blue); }
body[data-page="home"] .hero .hero-emphasis::after { content: ""; position: absolute; z-index: -1; left: 0; right: -3px; bottom: -4px; height: 16px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='340' height='16' viewBox='0 0 340 16'%3E%3Cpath d='M3 10C88 1 219 3 337 8' fill='none' stroke='%237d9eda' stroke-width='3' stroke-linecap='round' opacity='.43'/%3E%3C/svg%3E") center / 100% 100% no-repeat; }
body[data-page="home"] .hero .lede { margin: 26px 0 0; max-width: 440px; color: var(--home-muted); font-size: .98rem; line-height: 2; letter-spacing: .015em; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 32px; }
.hero-primary { display: inline-flex; align-items: center; justify-content: center; gap: 29px; min-height: 50px; padding: 13px 21px; border: 1px solid #173748; border-radius: 8px; background: #193746; color: #fff; box-shadow: 0 5px 14px rgba(25,55,70,.1); font-size: .82rem; font-weight: 550; transition: transform .25s, background .25s, box-shadow .25s; }
.hero-primary .icon { width: 17px; height: 17px; transition: transform .25s; }
.hero-primary:hover { background: #285166; text-decoration: none; transform: translateY(-2px); box-shadow: 0 9px 21px rgba(25,55,70,.15); }
.hero-primary:hover .icon { transform: translateX(3px); }
.hero-secondary { display: inline-flex; align-items: center; gap: 10px; color: #526971; font-size: .8rem; }
.hero-secondary:hover { color: var(--home-blue); text-decoration: none; }
.play-mark { width: 21px; height: 21px; border: 1px solid #a9b9bd; border-radius: 50%; position: relative; transition: border-color .2s, transform .2s; }
.play-mark::after { content: ""; position: absolute; top: 6px; left: 8px; border-left: 5px solid #69858d; border-top: 3.5px solid transparent; border-bottom: 3.5px solid transparent; }
.hero-secondary:hover .play-mark { border-color: var(--home-blue); transform: scale(1.08); }
body[data-page="home"] .hero-footnote { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin: 24px 0 0; color: #839297; font-size: .65rem; letter-spacing: .015em; }
.tiny-check { width: 11px; height: 6px; border-left: 1px solid #73928e; border-bottom: 1px solid #73928e; transform: rotate(-45deg) translateY(-2px); margin-right: 2px; }
.footnote-divider { color: #bec6c8; margin: 0 4px; }
body[data-page="home"] .hero-visual { position: relative; min-width: 0; height: 584px; perspective: 1200px; --tilt-x: 0deg; --tilt-y: 0deg; }
.hero-glow { position: absolute; inset: 8% -12% 0 -6%; background: radial-gradient(ellipse, rgba(156,185,217,.36), rgba(205,219,224,.17) 40%, transparent 69%); filter: blur(20px); }
.hero-orbit { position: absolute; border: 1px solid rgba(112,145,162,.15); border-radius: 50%; transform: rotate(-28deg); pointer-events: none; }
.orbit-one { width: 590px; height: 355px; top: 72px; left: 4px; }
.orbit-two { width: 660px; height: 440px; top: 32px; left: -18px; border-color: rgba(112,145,162,.09); }
.visual-coordinate { position: absolute; color: #83979e; font-family: var(--mono); font-size: .52rem; letter-spacing: .13em; }
.coordinate-top { top: 43px; right: 18px; }
.coordinate-bottom { bottom: 24px; left: 65px; display: flex; align-items: center; gap: 9px; }
.coordinate-bottom .icon { width: 12px; height: 12px; color: #72929e; }
.work-window { position: absolute; top: 100px; left: 1%; width: 97%; border: 1px solid rgba(255,255,255,.9); border-radius: 15px; overflow: hidden; background: rgba(251,252,252,.91); box-shadow: 0 36px 75px rgba(59,83,100,.16), 0 3px 8px rgba(59,83,100,.05), 0 0 0 1px rgba(117,143,160,.1); transform: rotateY(-7deg) rotateX(3deg) rotateZ(-3deg) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transform-style: preserve-3d; transition: transform .35s ease-out; }
.window-topbar { display: flex; align-items: center; gap: 18px; height: 40px; padding: 0 16px; border-bottom: 1px solid #e3e9eb; background: rgba(247,249,250,.88); color: #8a989f; font-size: .54rem; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 5px; height: 5px; border-radius: 50%; background: #c9d2d6; }
.window-dots i:first-child { background: #b2c4d1; }
.window-title { letter-spacing: .02em; }
.window-status { display: flex; align-items: center; gap: 6px; margin-left: auto; font-size: .49rem; }
.window-status .status-dot { width: 4px; height: 4px; box-shadow: none; }
.window-body { display: flex; min-height: 321px; }
.window-sidebar { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; width: 54px; flex: none; padding: 19px 13px; border-right: 1px solid #e6ecee; background: #f4f7f8; }
.window-sidebar img { width: 25px; height: 25px; border-radius: 8px; margin-bottom: 7px; }
.side-line { width: 22px; height: 4px; border-radius: 3px; background: #dce4e8; }
.side-line.is-long { width: 28px; }
.side-line.is-short { width: 15px; }
.side-divider { width: 26px; height: 1px; background: #e0e7e9; margin: 2px 0; }
.window-conversation { flex: 1; padding: 37px 39px; background: linear-gradient(140deg,rgba(255,255,255,.75),rgba(245,248,250,.65)); }
.conversation-label { display: flex; justify-content: space-between; color: #8a9da6; font-family: var(--mono); font-size: .48rem; letter-spacing: .12em; }
.conversation-label span { color: #b1bec4; }
.conversation-request { margin-top: 21px; color: #263f4d; font-size: 1.36rem; font-weight: 540; line-height: 1.65; letter-spacing: -.035em; }
.conversation-plan { display: flex; gap: 10px; margin-top: 25px; }
.plan-symbol { display: grid; place-items: center; flex: none; width: 23px; height: 23px; border: 1px solid #d3e0e7; border-radius: 7px; color: #6f94b4; background: #eff5fa; }
.plan-symbol .icon { width: 12px; height: 12px; }
.conversation-plan strong { display: block; color: #5c7380; font-size: .61rem; font-weight: 550; line-height: 1.7; }
.conversation-plan div>span { display: block; margin-top: 4px; color: #91a1a9; font-size: .54rem; }
.conversation-tasks { display: flex; align-items: center; gap: 16px; margin-top: 31px; padding-top: 17px; border-top: 1px solid #e7edef; }
.conversation-tasks>span { display: flex; align-items: center; gap: 5px; color: #96a5ab; font-size: .5rem; }
.conversation-tasks i { width: 4px; height: 4px; border: 1px solid #a8b9c1; border-radius: 50%; }
.conversation-tasks>span.is-current { color: #648caa; }
.conversation-tasks .is-current i { border: 0; background: #7ca4c4; box-shadow: 0 0 0 3px #e1ebf4; }
.hero-float-card { position: absolute; z-index: 3; display: flex; align-items: center; border: 1px solid rgba(255,255,255,.92); background: rgba(253,254,254,.8); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: 0 14px 35px rgba(58,80,95,.11), 0 1px 4px rgba(58,80,95,.035); transform: translate3d(var(--depth-x,0),var(--depth-y,0),0); transition: transform .5s ease-out; }
.brief-card { left: -25px; bottom: 53px; gap: 11px; padding: 13px 17px; border-radius: 12px; animation: card-breathe 7s ease-in-out infinite; }
.float-icon { display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid #e0e7ef; border-radius: 9px; background: linear-gradient(145deg,#f5f8ff,#e6eef7); color: #6887b2; }
.float-icon .icon { width: 15px; height: 15px; }
.hero-float-card div>span { display: block; color: #879ba6; font-size: .48rem; line-height: 1.5; }
.hero-float-card div>strong { display: block; margin-top: 4px; color: #365464; font-size: .64rem; font-weight: 550; }
.float-pulse { width: 5px; height: 5px; border-radius: 50%; background: #85abba; margin-left: 10px; box-shadow: 0 0 0 4px #e7f0f2; }
.delivery-card { right: -11px; top: 63px; gap: 12px; padding: 13px 15px; border-radius: 11px; animation: card-breathe 8s 1.5s ease-in-out infinite reverse; }
.delivery-card div>span { font-family: var(--mono); font-size: .42rem; letter-spacing: .09em; }
.delivery-card div>strong { font-size: .58rem; }
.delivery-icon { display: flex; align-items: flex-end; justify-content: center; gap: 3px; width: 29px; height: 29px; padding: 8px; border-radius: 8px; background: #e8f0ee; }
.delivery-icon span { width: 3px; height: 7px; border-radius: 2px; background: #82a89e; }
.delivery-icon span:nth-child(2) { height: 12px; }
.delivery-icon span:nth-child(3) { height: 9px; }
.delivery-check { width: 11px; height: 6px; border-left: 1px solid #7da89a; border-bottom: 1px solid #7da89a; transform: rotate(-45deg) translate(2px,-2px); margin-left: 4px; }
.hero-sticker { position: absolute; z-index: 4; right: 7px; bottom: 14px; display: flex; flex-direction: column; width: 117px; padding: 14px 15px; border: 1px solid #b5c2a8; border-radius: 3px; background: #e2e9d5; color: #52684b; box-shadow: 0 6px 12px rgba(57,77,49,.05); transform: rotate(9deg) translate3d(var(--depth-x,0),var(--depth-y,0),0); transition: transform .5s ease-out; }
.hero-sticker>span:first-child { font-family: var(--mono); font-size: .4rem; letter-spacing: .07em; }
.hero-sticker strong { margin-top: 6px; font-family: var(--mono); font-size: .85rem; line-height: 1.3; font-weight: 500; letter-spacing: -.06em; }
.sticker-line { width: 26px; height: 1px; background: #9fae90; margin-top: 10px; }
.hero-scroll { position: absolute; bottom: 37px; left: 0; display: flex; align-items: center; gap: 17px; color: #91a0a4; font-family: var(--mono); font-size: .5rem; letter-spacing: .13em; }
.hero-scroll .icon { width: 13px; height: 13px; animation: scroll-hint 2.5s ease-in-out infinite; }
.hero-scroll:hover { color: var(--home-blue); text-decoration: none; }
body[data-page="home"] .download-area { position: relative; padding: 91px 0 0; border-top: 1px solid var(--home-line); scroll-margin-top: 63px; }
body[data-page="home"] .platform-heading { align-items: end; margin-bottom: 28px; gap: 30px; }
body[data-page="home"] .section-kicker { color: #7f9299; font-size: .58rem; letter-spacing: .17em; font-weight: 600; }
body[data-page="home"] .platform-heading h2 { margin-top: 12px; color: var(--home-ink); font-size: clamp(1.8rem,3vw,2.35rem); font-weight: 580; letter-spacing: -.06em; }
.section-description { margin: 11px 0 0; color: var(--home-muted); font-size: .79rem; }
body[data-page="home"] .latest-line { gap: 8px; padding-bottom: 4px; font-size: .67rem; }
body[data-page="home"] .pill { gap: 7px; padding: 6px 10px; border: 1px solid var(--home-line); border-radius: 6px; background: rgba(255,255,255,.42); color: #6b828a; font-size: .65rem; }
body[data-page="home"] .pill strong { color: #3b5867; font-family: var(--mono); font-size: .63rem; font-weight: 500; }
body[data-page="home"] .dot { width: 4px; height: 4px; background: #6a9d8b; }
body[data-page="home"] .platforms { gap: 19px; }
body[data-page="home"] .card { padding: 24px; border: 1px solid var(--home-line); border-radius: 12px; background: rgba(255,255,255,.58); box-shadow: 0 3px 7px rgba(35,57,67,.012); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); transition: border-color .3s, background .3s, transform .3s, box-shadow .3s; }
body[data-page="home"] .card:hover { transform: translateY(-5px); border-color: rgba(79,114,138,.35); background: rgba(255,255,255,.85); box-shadow: 0 17px 32px rgba(50,76,91,.06); }
body[data-page="home"] .card.is-recommended { border-color: rgba(72,113,156,.45); }
body[data-page="home"] .card-head { min-height: 43px; }
body[data-page="home"] .platform-icon { width: 42px; height: 42px; border: 1px solid #e7ecee; border-radius: 10px; background: #f0f4f5; }
body[data-page="home"] .platform-icon svg { width: 23px; height: 23px; }
body[data-page="home"] .card[data-platform="windows"] .platform-icon { color: #497eae; }
body[data-page="home"] .recommend { padding: 3px 7px; border: 1px solid #d9e3ed; border-radius: 4px; background: #edf3f9; color: #6586a6; font-size: .56rem; font-weight: 500; }
body[data-page="home"] .card-description { min-height: 71px; margin: 24px 0 25px; }
body[data-page="home"] .card-description h3 { color: var(--home-ink); font-size: 1.37rem; font-weight: 580; letter-spacing: -.045em; }
body[data-page="home"] .requirement { margin-top: 7px; color: #82949b; font-size: .71rem; }
body[data-page="home"] .card-body { gap: 13px; }
body[data-page="home"] .button { min-height: 42px; padding: 10px 13px; border-radius: 6px; background: #254352; color: #fff; font-size: .73rem; font-weight: 500; }
body[data-page="home"] .button .icon { width: 13px; height: 13px; }
body[data-page="home"] .button:hover { background: #386278; }
body[data-page="home"] .card-meta { color: #91a0a6; font-size: .65rem; }
body[data-page="home"] .card-version { color: #70868f; font-family: var(--mono); font-size: .62rem; font-weight: 400; }
body[data-page="home"] .checksum { font-size: .63rem; }
body[data-page="home"] .checksum summary { color: #8a9ba3; }
body[data-page="home"] .checksum code { background: #edf2f3; color: #597581; font-size: .65rem; }
body[data-page="home"] .resource-links { justify-content: flex-start; gap: 26px; margin-top: 24px; padding-top: 0; border: 0; }
body[data-page="home"] .resource-links a { color: #82949c; font-size: .7rem; }
body[data-page="home"] .resource-links a .icon { width: 10px; height: 10px; }
body[data-page="home"] .live-update { font-size: .72rem; }
body[data-page="home"] .notice { border: 1px solid var(--home-line); border-radius: 8px; background: #eef2f2; font-size: .8rem; }
body[data-page="home"] .workbench-showcase { margin: 122px 0 0; scroll-margin-top: 100px; }
body[data-page="home"] .showcase-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 29px; text-align: left; }
body[data-page="home"] .showcase-heading h2 { margin: 12px 0 0; color: var(--home-ink); font-size: clamp(2.1rem,3.6vw,2.95rem); font-weight: 570; letter-spacing: -.065em; }
body[data-page="home"] .showcase-heading>p:last-child { margin: 0 0 5px; color: var(--home-muted); font-size: .75rem; }
body[data-page="home"] .showcase-stage { aspect-ratio: 21/9; border: 1px solid rgba(92,112,123,.18); border-radius: 13px; box-shadow: 0 23px 48px rgba(47,68,80,.09), 0 2px 4px rgba(47,68,80,.04); }
body[data-page="home"] .showcase-frame { transform: scale(1.035); clip-path: inset(0 0 0 4%); transition: opacity .85s ease, transform 1.5s cubic-bezier(.2,.65,.2,1), clip-path 1.15s cubic-bezier(.2,.65,.2,1); }
body[data-page="home"] .showcase-frame.is-active { transform: scale(1); clip-path: inset(0); }
body[data-page="home"] .showcase-meta { gap: 24px; padding: 22px 0 0; }
body[data-page="home"] .showcase-count { padding-top: 4px; color: #90a0a7; font-family: var(--mono); font-size: .6rem; }
body[data-page="home"] .showcase-line { gap: 6px; }
body[data-page="home"] .showcase-line strong { color: #3c5865; font-size: 1.03rem; font-weight: 550; letter-spacing: -.025em; }
body[data-page="home"] .showcase-line span { color: #83979f; font-size: .7rem; }
body[data-page="home"] .showcase-switcher { justify-content: flex-start; gap: 6px; padding-top: 27px; border-top: 1px solid var(--home-line); margin-top: 28px; }
body[data-page="home"] .scene-option { min-width: 91px; padding: 10px 14px 15px; border: 1px solid transparent; border-radius: 5px; color: #82969f; font-size: .69rem; }
body[data-page="home"] .scene-option:hover { background: rgba(224,233,235,.5); color: #345565; }
body[data-page="home"] .scene-option.is-selected { border-color: #d4e0e5; background: #eaf0f2; color: #36586a; }
body[data-page="home"] .scene-progress { height: 1px; left: 14px; right: 14px; bottom: 6px; background: #d9e4e8; }
body[data-page="home"] .scene-progress::after { background: #719cb9; }
body[data-page="home"] .principles { margin-top: 118px; padding: 84px 0 74px; border-top: 1px solid var(--home-line); background: linear-gradient(120deg,rgba(233,239,235,.5),rgba(244,246,241,.1)); }
body[data-page="home"] .principles-heading { margin-bottom: 47px; text-align: left; }
body[data-page="home"] .principles-heading h2 { margin-top: 13px; color: var(--home-ink); font-size: clamp(2rem,3.6vw,2.8rem); font-weight: 560; letter-spacing: -.065em; }
body[data-page="home"] .principles-heading>p:last-child { margin: 13px 0 0; color: var(--home-muted); font-size: .78rem; }
body[data-page="home"] .principles-grid { gap: 40px; border: 0; }
body[data-page="home"] .principles-grid>div { position: relative; padding: 0 0 23px; }
body[data-page="home"] .principle-index { color: #81968f; font-family: var(--mono); font-size: .52rem; letter-spacing: .1em; }
body[data-page="home"] .principles-grid h3 { margin: 18px 0 10px; color: #36514f; font-size: 1.05rem; font-weight: 550; letter-spacing: -.025em; }
body[data-page="home"] .principles-grid p { max-width: 260px; color: #80928e; font-size: .73rem; line-height: 1.85; }
.principle-rule { position: absolute; bottom: 0; left: 0; right: 0; height: 1px; background: #d8e1db; }
.principle-rule::after { content: ""; display: block; width: 25px; height: 1px; background: #809d91; transition: width .4s; }
body[data-page="home"] .principles-grid>div:hover .principle-rule::after { width: 75px; }
body[data-page="home"] .site-footer { margin-top: 0; padding: 28px 0 35px; border-top-color: var(--home-line); color: #91a19e; font-size: .65rem; }
body[data-page="home"] .footer-links { gap: 25px; }
body[data-page="home"] .footer-links a { color: #879c98; }
body[data-page="home"] [data-reveal] { opacity: 1; transform: none; }
body[data-page="home"] .motion-ready [data-reveal]:not(.is-revealed) { opacity: 0; transform: translateY(28px); }
body[data-page="home"] .motion-ready [data-reveal] { transition: opacity .85s ease, transform .95s cubic-bezier(.2,.65,.2,1); transition-delay: calc(var(--reveal-order,0) * 100ms); }
body[data-page="home"] .motion-ready [data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
body[data-page="home"] .motion-ready [data-reveal="hero"] { animation: hero-enter 1.1s cubic-bezier(.2,.65,.2,1) both; }
body[data-page="home"] .motion-ready .hero-visual { animation: visual-enter 1.5s .12s cubic-bezier(.2,.65,.2,1) both; }
@keyframes hero-enter { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@keyframes visual-enter { from { opacity: 0; transform: translateY(30px) scale(.975); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes card-breathe { 0%,100% { margin-top: 0; } 50% { margin-top: -7px; } }
@keyframes scroll-hint { 0%,100% { transform: translateY(-2px); } 50% { transform: translateY(3px); } }
@media (min-width: 1500px) {
  body[data-page="home"] .hero { min-height: 900px; }
}
@media (max-width: 1100px) {
  body[data-page="home"] .wrap { width: calc(100% - 64px); }
  body[data-page="home"] .nav { gap: 20px; }
  body[data-page="home"] .hero { grid-template-columns: .87fr 1.13fr; gap: 10px; min-height: 750px; padding-top: 124px; }
  body[data-page="home"] .hero h1 { font-size: clamp(3.3rem,6vw,4.3rem); }
  body[data-page="home"] .hero-visual { height: 510px; transform: scale(.92); transform-origin: center right; }
  body[data-page="home"] .hero .lede { font-size: .85rem; }
  .hero-actions { gap: 16px; }
  .hero-primary { gap: 18px; }
  .hero-secondary { font-size: .73rem; }
  body[data-page="home"] .hero-footnote { font-size: .57rem; }
  .work-window { top: 91px; }
  .window-conversation { padding: 33px 27px; }
  .conversation-request { font-size: 1.18rem; }
  .brief-card { left: -10px; }
  .hero-sticker { right: -4px; }
  body[data-page="home"] .platforms { gap: 14px; }
  body[data-page="home"] .card { padding: 20px; }
  body[data-page="home"] .latest-line { flex-direction: column; align-items: flex-end; }
}
@media (max-width: 820px) {
  body[data-page="home"] .header-inner { min-height: 72px; }
  body[data-page="home"] .nav { gap: 17px; }
  body[data-page="home"] .nav a { font-size: .72rem; }
  body[data-page="home"] .nav .nav-account { padding: 7px 11px; }
  body[data-page="home"] .hero { grid-template-columns: 1fr; gap: 25px; padding: 133px 0 95px; text-align: center; }
  body[data-page="home"] .hero-copy { padding-bottom: 0; }
  body[data-page="home"] .eyebrow { justify-content: center; font-size: .58rem; }
  body[data-page="home"] .hero h1 { font-size: clamp(3.8rem,10vw,5rem); }
  body[data-page="home"] .hero .lede { margin-inline: auto; font-size: .9rem; }
  .hero-actions { justify-content: center; gap: 25px; }
  body[data-page="home"] .hero-footnote { justify-content: center; font-size: .61rem; }
  body[data-page="home"] .hero-visual { width: min(620px,100%); height: 530px; margin: 0 auto; transform: none; }
  .work-window { left: 3%; width: 94%; }
  .orbit-one { left: 4%; }
  .orbit-two { left: 0; }
  .hero-scroll { left: 50%; transform: translateX(-50%); white-space: nowrap; bottom: 33px; }
  body[data-page="home"] .platform-heading { align-items: flex-start; }
  body[data-page="home"] .platforms { grid-template-columns: repeat(3,minmax(0,1fr)); }
  body[data-page="home"] .latest-line { font-size: .6rem; }
  body[data-page="home"] .pill { font-size: .58rem; }
  body[data-page="home"] .pill strong { font-size: .55rem; }
  body[data-page="home"] .card-description { min-height: 65px; }
  body[data-page="home"] .card-description h3 { font-size: 1.22rem; }
  body[data-page="home"] .requirement { font-size: .62rem; }
  body[data-page="home"] .card-meta { flex-direction: column; align-items: flex-start; }
  body[data-page="home"] .workbench-showcase { margin-top: 90px; }
}
@media (max-width: 620px) {
  body[data-page="home"] .wrap { width: calc(100% - 40px); }
  body[data-page="home"] .header-inner { min-height: 65px; gap: 10px; }
  body[data-page="home"] .brand { gap: 7px; font-size: 1.02rem; }
  body[data-page="home"] .brand img { width: 29px; height: 29px; border-radius: 9px; }
  body[data-page="home"] .nav { gap: 12px; flex-wrap: nowrap; min-width: 0; }
  body[data-page="home"] .nav a { font-size: .68rem; white-space: nowrap; }
  body[data-page="home"] .nav .nav-account { width: 29px; height: 29px; padding: 0; overflow: hidden; font-size: 0; flex: 0 0 29px; }
  body[data-page="home"] .nav .nav-account::before { content: ""; width: 12px; height: 12px; border: 1px solid #76909c; border-radius: 50%; position: absolute; top: 5px; left: 7px; }
  body[data-page="home"] .nav .nav-account::after { content: ""; position: absolute; width: 17px; height: 8px; left: 5px; bottom: 4px; border: 1px solid #76909c; border-radius: 9px 9px 5px 5px; }
  body[data-page="home"] .nav a[href*="history"],body[data-page="home"] .nav a[href*="changelog"],body[data-page="home"] .nav a[href*="docs"] { display: none; }
  body[data-page="home"] .nav a[href*="credits"] { display: inline; }
  body[data-page="home"] .nav .nav-account { display: inline-flex; }
  body[data-page="home"] .nav a[aria-current="page"]::after { bottom: -7px; }
  body[data-page="home"] main { overflow-x: clip; }
  body[data-page="home"] .hero { gap: 26px; min-height: 0; padding: 112px 0 81px; }
  body[data-page="home"] .eyebrow { margin-bottom: 20px; font-size: .5rem; letter-spacing: .16em; }
  body[data-page="home"] .hero h1 { font-size: clamp(3.2rem,14.5vw,4.2rem); line-height: 1.23; }
  body[data-page="home"] .hero .hero-emphasis::after { height: 12px; bottom: -5px; }
  body[data-page="home"] .hero .lede { margin-top: 22px; font-size: .78rem; line-height: 1.95; }
  .desktop-break { display: none; }
  .hero-actions { flex-direction: column; gap: 20px; margin-top: 27px; }
  .hero-primary { width: min(260px,100%); min-height: 47px; justify-content: space-between; padding-inline: 20px; font-size: .78rem; }
  .hero-secondary { font-size: .72rem; }
  body[data-page="home"] .hero-footnote { gap: 5px; margin-top: 25px; font-size: .52rem; }
  .footnote-divider { margin-inline: 2px; }
  body[data-page="home"] .hero-visual { height: 340px; width: calc(100% + 14px); margin-left: -7px; }
  .hero-glow { inset: -4% -15% -10%; }
  .hero-orbit { display: none; }
  .visual-coordinate { font-size: .38rem; }
  .coordinate-top { top: 10px; right: 7px; }
  .coordinate-bottom { left: 14px; bottom: 0; }
  .work-window { top: 46px; left: 1%; width: 98%; border-radius: 9px; transform: rotateY(-4deg) rotateX(2deg) rotateZ(-2deg); }
  .window-topbar { height: 26px; gap: 9px; padding: 0 10px; font-size: .38rem; }
  .window-dots { gap: 3px; }
  .window-dots i { width: 3px; height: 3px; }
  .window-status { font-size: .33rem; gap: 4px; }
  .window-status .status-dot { width: 3px; height: 3px; }
  .window-body { min-height: 202px; }
  .window-sidebar { width: 33px; gap: 12px; padding: 12px 8px; }
  .window-sidebar img { width: 17px; height: 17px; border-radius: 5px; margin-bottom: 2px; }
  .side-line { width: 14px; height: 3px; }
  .side-line.is-long { width: 17px; }
  .side-line.is-short { width: 10px; }
  .side-divider { width: 17px; }
  .window-conversation { padding: 22px 20px; }
  .conversation-label { font-size: .34rem; }
  .conversation-request { margin-top: 12px; font-size: .92rem; line-height: 1.6; }
  .conversation-plan { gap: 7px; margin-top: 14px; }
  .plan-symbol { width: 17px; height: 17px; border-radius: 5px; }
  .plan-symbol .icon { width: 9px; height: 9px; }
  .conversation-plan strong { font-size: .42rem; }
  .conversation-plan div>span { margin-top: 2px; font-size: .37rem; }
  .conversation-tasks { gap: 12px; margin-top: 17px; padding-top: 11px; }
  .conversation-tasks>span { font-size: .34rem; gap: 4px; }
  .conversation-tasks i { width: 3px; height: 3px; }
  .hero-float-card { box-shadow: 0 8px 20px rgba(58,80,95,.1); }
  .brief-card { left: -5px; bottom: 29px; gap: 8px; padding: 9px 11px; border-radius: 8px; }
  .float-icon { width: 23px; height: 23px; border-radius: 6px; }
  .float-icon .icon { width: 11px; height: 11px; }
  .hero-float-card div>span { font-size: .34rem; }
  .hero-float-card div>strong { font-size: .44rem; margin-top: 2px; }
  .float-pulse { width: 3px; height: 3px; margin-left: 3px; box-shadow: 0 0 0 2px #e7f0f2; }
  .delivery-card { right: -3px; top: 21px; gap: 7px; padding: 8px 10px; border-radius: 8px; }
  .delivery-card div>span { font-size: .29rem; }
  .delivery-card div>strong { font-size: .41rem; }
  .delivery-icon { width: 21px; height: 21px; padding: 5px; gap: 2px; border-radius: 5px; }
  .delivery-icon span { width: 2px; height: 5px; }
  .delivery-icon span:nth-child(2) { height: 9px; }
  .delivery-icon span:nth-child(3) { height: 7px; }
  .delivery-check { width: 8px; height: 4px; margin-left: 1px; }
  .hero-sticker { right: 1px; bottom: 5px; width: 75px; padding: 9px 10px; }
  .hero-sticker>span:first-child { font-size: .28rem; }
  .hero-sticker strong { margin-top: 4px; font-size: .57rem; }
  .sticker-line { width: 18px; margin-top: 6px; }
  .hero-scroll { bottom: 25px; gap: 12px; font-size: .42rem; }
  .hero-scroll .icon { width: 11px; height: 11px; }
  body[data-page="home"] .download-area { padding-top: 57px; }
  body[data-page="home"] .platform-heading { flex-direction: column; gap: 17px; margin-bottom: 22px; }
  body[data-page="home"] .section-kicker { font-size: .49rem; }
  body[data-page="home"] .platform-heading h2 { margin-top: 11px; font-size: 1.9rem; }
  .section-description { font-size: .7rem; }
  body[data-page="home"] .latest-line { flex-direction: row; align-items: center; gap: 9px; }
  body[data-page="home"] .pill { padding: 5px 8px; }
  body[data-page="home"] .platforms { grid-template-columns: 1fr; gap: 12px; }
  body[data-page="home"] .card { display: grid; grid-template-columns: 1fr auto; column-gap: 15px; padding: 20px; border-radius: 10px; }
  body[data-page="home"] .card-head { grid-column: 1 / -1; min-height: 38px; }
  body[data-page="home"] .platform-icon { width: 38px; height: 38px; border-radius: 9px; }
  body[data-page="home"] .platform-icon svg { width: 21px; height: 21px; }
  body[data-page="home"] .card-description { grid-column: 1; min-height: 0; margin: 16px 0 0; }
  body[data-page="home"] .card-description h3 { font-size: 1.25rem; }
  body[data-page="home"] .requirement { font-size: .65rem; }
  body[data-page="home"] .card-body { grid-column: 1 / -1; margin-top: 18px; gap: 11px; }
  body[data-page="home"] .button { min-height: 40px; }
  body[data-page="home"] .card-meta { flex-direction: row; align-items: center; }
  body[data-page="home"] .resource-links { gap: 22px; margin-top: 23px; }
  body[data-page="home"] .resource-links a { font-size: .64rem; }
  body[data-page="home"] .workbench-showcase { margin-top: 72px; }
  body[data-page="home"] .showcase-heading { display: block; margin-bottom: 22px; }
  body[data-page="home"] .showcase-heading h2 { font-size: 2.1rem; }
  body[data-page="home"] .showcase-heading>p:last-child { margin-top: 11px; font-size: .69rem; }
  body[data-page="home"] .showcase-stage { aspect-ratio: 21/9; border-radius: 9px; }
  body[data-page="home"] .showcase-meta { gap: 13px; padding-top: 17px; }
  body[data-page="home"] .showcase-count { font-size: .49rem; }
  body[data-page="home"] .showcase-line strong { font-size: .88rem; }
  body[data-page="home"] .showcase-line span { font-size: .61rem; }
  body[data-page="home"] .showcase-switcher { gap: 3px; padding-top: 17px; margin-top: 21px; }
  body[data-page="home"] .scene-option { flex: 1; min-width: 0; padding: 9px 7px 14px; font-size: .62rem; }
  body[data-page="home"] .scene-progress { left: 7px; right: 7px; }
  body[data-page="home"] .principles { margin-top: 75px; padding: 54px 0 45px; }
  body[data-page="home"] .principles-heading { margin-bottom: 33px; }
  body[data-page="home"] .principles-heading h2 { font-size: 2rem; }
  body[data-page="home"] .principles-heading>p:last-child { font-size: .7rem; }
  body[data-page="home"] .principles-grid { grid-template-columns: 1fr; gap: 30px; }
  body[data-page="home"] .principles-grid>div { padding-bottom: 23px; }
  body[data-page="home"] .principle-index { font-size: .48rem; }
  body[data-page="home"] .principles-grid h3 { margin: 12px 0 7px; font-size: 1rem; }
  body[data-page="home"] .principles-grid p { max-width: none; font-size: .7rem; }
  body[data-page="home"] .footer-inner { gap: 18px; }
  body[data-page="home"] .footer-links { gap: 18px; }
}
@media (prefers-color-scheme: dark) {
  body[data-page="home"] {
    --home-ink: #e3ecee; --home-muted: #98adb5; --home-line: rgba(172,197,209,.15); --home-paper: #131e25; --home-blue: #99bcea;
    background: radial-gradient(ellipse at 80% 10%,rgba(70,99,131,.18),transparent 35rem),#131e25;
  }
  body[data-page="home"] .site-header { background: rgba(19,30,37,.8); }
  body[data-page="home"] .site-header.is-scrolled { background: rgba(19,30,37,.94); }
  body[data-page="home"] .nav a { color: #9fb1b8; }
  body[data-page="home"] .nav a[aria-current="page"],body[data-page="home"] .nav .nav-account { color: #e0eaed; }
  body[data-page="home"] .nav .nav-account { background: rgba(90,115,129,.15); }
  body[data-page="home"] .nav .nav-account:hover { background: rgba(90,115,129,.3); border-color: #536e7d; }
  body[data-page="home"] .hero .hero-period { color: #e3ecee; }
  body[data-page="home"] .hero-primary { border-color: #bed1db; background: #d5e4e9; color: #1d3c4d; }
  body[data-page="home"] .hero-primary:hover { background: #edf5f7; }
  body[data-page="home"] .hero-secondary { color: #a0b8c2; }
  .play-mark { border-color: #5d7b88; }
  .play-mark::after { border-left-color: #a2bfcb; }
  .work-window { border-color: #546a77; background: #24343e; box-shadow: 0 30px 65px #050d1466; }
  .window-topbar { background: #23333d; border-color: #3d505c; color: #8fa7b3; }
  .window-sidebar { background: #1e2e38; border-color: #3d505c; }
  .side-line { background: #405460; }
  .side-divider { background: #405460; }
  .window-conversation { background: linear-gradient(140deg,#293b46,#22333d); }
  .conversation-request { color: #d1e0e6; }
  .conversation-plan strong { color: #acc2ce; }
  .conversation-plan div>span { color: #7f9aa8; }
  .conversation-tasks { border-color: #405762; }
  .plan-symbol { background: #344e61; border-color: #4c687d; color: #a5c7e5; }
  .hero-float-card { background: rgba(38,56,67,.88); border-color: #58717e; }
  .hero-float-card div>strong { color: #c2d8e2; }
  .float-icon { background: #354e62; border-color: #57758b; color: #b4d2ed; }
  .delivery-icon { background: #314d47; }
  .hero-sticker { background: #394b35; border-color: #657b56; color: #bdcfae; }
  .sticker-line { background: #7e916d; }
  body[data-page="home"] .pill { background: #1c2c34; }
  body[data-page="home"] .pill strong,body[data-page="home"] .platform-heading h2,body[data-page="home"] .card-description h3 { color: #d5e4e9; }
  body[data-page="home"] .card { background: rgba(29,44,53,.78); }
  body[data-page="home"] .card:hover { background: #263b47; border-color: #5d7a8b; }
  body[data-page="home"] .card.is-recommended { border-color: #597f9f; }
  body[data-page="home"] .platform-icon { background: #2a3c47; border-color: #415864; }
  body[data-page="home"] .recommend { background: #2d4254; border-color: #496279; color: #a7c6e3; }
  body[data-page="home"] .button { background: #c6dbe4; color: #203e4e; }
  body[data-page="home"] .button:hover { background: #e1eef2; }
  body[data-page="home"] .card-version,body[data-page="home"] .requirement,body[data-page="home"] .card-meta,body[data-page="home"] .checksum summary { color: #8ca6b3; }
  body[data-page="home"] .checksum code { background: #293d49; color: #aec6d2; }
  body[data-page="home"] .notice { background: #20323c; }
  body[data-page="home"] .showcase-heading h2,body[data-page="home"] .showcase-line strong,body[data-page="home"] .principles-heading h2 { color: #d7e5e9; }
  body[data-page="home"] .scene-option.is-selected { background: #293f4c; border-color: #486372; color: #c4dce8; }
  body[data-page="home"] .scene-option:hover { background: #243842; color: #c4dce8; }
  body[data-page="home"] .scene-progress { background: #3d5663; }
  body[data-page="home"] .principles { background: linear-gradient(120deg,#1b2b2c,#152228); }
  body[data-page="home"] .principles-grid h3 { color: #c2d9d1; }
  body[data-page="home"] .principles-grid p { color: #91aba3; }
  .principle-rule { background: #354d48; }
}
@media (prefers-reduced-motion: reduce) {
  body[data-page="home"] *,body[data-page="home"] *::before,body[data-page="home"] *::after { animation: none !important; scroll-behavior: auto !important; }
  body[data-page="home"] .motion-ready [data-reveal],body[data-page="home"] .motion-ready .hero-visual { opacity: 1; transform: none; transition: none; }
  body[data-page="home"] .work-window { transform: rotateY(-7deg) rotateX(3deg) rotateZ(-3deg); transition: none; }
  body[data-page="home"] .hero-float-card { transform: none; transition: none; }
  body[data-page="home"] .hero-sticker { transform: rotate(9deg); transition: none; }
  body[data-page="home"] .showcase-frame { transform: none; clip-path: none; transition: opacity .1s; }
  body[data-page="home"] .hero-primary:hover,body[data-page="home"] .card:hover { transform: none; }
}

/* Public catalog; uses the same theme variables as the shared home page. */
.credit-plans { padding: 56px 0 64px; scroll-margin-top: 105px; color: var(--home-ink); }
.credit-plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.credit-plan { padding: 30px; border: 1px solid var(--home-line); border-radius: 18px; background: var(--home-glass); }
.credit-plan h3 { margin: 0; font-size: 1rem; color: var(--home-ink); }
.credit-plan-price { margin: 20px 0 26px; color: var(--home-muted); }
.credit-plan-price strong { color: var(--home-ink); font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -.04em; }
.credit-plan-price span { font-size: .8rem; white-space: nowrap; }
.credit-plan dl { margin: 0; }
.credit-plan dl div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--home-line); }
.credit-plan dt { color: var(--home-muted); }
.credit-plan dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.credit-plan-status { margin: 20px 0 0; color: var(--home-muted); font-size: .85rem; }
.credit-plan-notes { margin-top: 22px; color: var(--home-muted); font-size: .85rem; line-height: 1.9; }
.credit-plan-notes p { margin: 6px 0; }
.credit-plan-notes a { margin-top: 12px; display: inline-flex; align-items: center; gap: 8px; color: var(--home-blue); }
@media (prefers-color-scheme: dark) {
  .credit-plan { background: rgba(43, 63, 74, .55); }
}
.hero-pricing-link { margin: 20px 0 0; font-size: .84rem; }
.hero-pricing-link a { display: inline-flex; align-items: center; gap: 8px; color: var(--home-blue); }
@media (max-width: 820px) {
  .credit-plan-grid { gap: 12px; }
  .credit-plan { padding: 20px; }
}
@media (max-width: 620px) {
  .credit-plan-grid { grid-template-columns: 1fr; }
  .credit-plans { padding: 28px 0 40px; }
}
.credit-plan-account { white-space: nowrap; }
.credit-plan-account .icon, .hero-pricing-link .icon { width: 18px; height: 18px; flex: none; }

/* Plan purchase entry, annual line and per-tier deep links. */
.credit-plans-entry {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
  border: 1px solid var(--home-line); border-radius: 999px;
  background: rgba(255, 255, 255, .55); color: var(--home-ink);
  font-size: .82rem; font-weight: 580; white-space: nowrap;
}
.credit-plans-entry:hover { border-color: var(--home-blue); color: var(--home-blue); text-decoration: none; }
.credit-plans-entry .icon { width: 17px; height: 17px; flex: none; }
.credit-plan { display: flex; flex-direction: column; }
.credit-plan-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.credit-plan-flag {
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
  border: 1px solid rgba(52, 105, 200, .24); background: rgba(52, 105, 200, .08);
  color: var(--home-blue); font-size: .7rem; font-weight: 600;
}
.credit-plan[data-tier="plus"] { border-color: rgba(52, 105, 200, .38); box-shadow: 0 12px 32px rgba(36, 75, 145, .08); }
.credit-plan[data-tier="pro"] { border-color: rgba(190, 145, 55, .38); }
.credit-plan-summary { margin: 9px 0 0; color: var(--home-muted); font-size: .84rem; line-height: 1.7; min-height: 2.9em; }
.credit-plan-price { display: flex; align-items: baseline; gap: 6px; margin: 16px 0 0; }
.credit-plan-price span { color: var(--home-muted); }
.credit-plan-equivalent { margin: 7px 0 18px; color: var(--home-muted); font-size: .76rem; line-height: 1.6; }
.credit-plan-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 18px; padding: 11px 16px; border-radius: 10px;
  background: var(--home-ink); color: #fff; font-size: .86rem; font-weight: 600;
  text-decoration: none; transition: transform .2s ease, background .2s ease;
}
.credit-plan-cta:hover { background: var(--home-blue-deep); color: #fff; text-decoration: none; transform: translateY(-1px); }
.credit-plan-cta .icon { width: 16px; height: 16px; flex: none; }
.credit-plan[data-tier="pro"] .credit-plan-cta { background: linear-gradient(135deg, #d8b25f, #b98a2e); color: #1e1607; }
.credit-plan[data-tier="pro"] .credit-plan-cta:hover { background: linear-gradient(135deg, #e2c071, #c49636); color: #1e1607; }
@media (prefers-color-scheme: dark) {
  .credit-plans-entry { background: rgba(43, 63, 74, .55); color: var(--home-ink); }
  .credit-plan-cta { background: #c6dbe4; color: #203e4e; }
  .credit-plan[data-tier="pro"] .credit-plan-cta { background: linear-gradient(135deg, #dfbf78, #c49636); color: #1c1405; }
}
@media (prefers-reduced-motion: reduce) {
  .credit-plan-cta:hover { transform: none; }
}
@media (max-width: 620px) {
  .credit-plan-summary { min-height: 0; }
  .credit-plans-entry { align-self: flex-start; }
}