@font-face{font-family:"Martian Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/martian-mono-cyrillic-ext.woff2) format("woff2");unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:"Martian Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/martian-mono-cyrillic.woff2) format("woff2");unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:"Martian Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/martian-mono-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Martian Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/martian-mono-latin.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/onest-cyrillic-ext.woff2) format("woff2");unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:"Onest";font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/onest-cyrillic.woff2) format("woff2");unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/onest-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Onest";font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/onest-latin.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
/* SoloStars landing. Dark instrument-panel look; SOLO green (--led) is an indicator colour only:
   lit stars, LED dots, the "on" state. Tokens mirror the Figma file "SoloStars — Landing". */
:root {
  --bg: #0a0b0a;
  --panel: #121412;
  --raised: #1a1d1a;
  --line: #2b302b;
  --fg: #eef0ec;
  --muted: #8c938d;
  --led: #00ff00;
  --led-off: #3a403a;
  --lcd: #040604;
  --wall: #050907;

  --font-sans: "Onest", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, Consolas, "PingFang SC", "Microsoft YaHei", monospace;
  --font-mac: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;

  --gutter: 64px;
  --radius-panel: 16px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.5 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p, h1, h2, h3, dl, dd, ol, ul, figure { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--led); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -100px; z-index: 50; background: var(--fg); color: var(--bg); padding: 10px 14px; border-radius: 4px; font: 500 12px/16px var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.skip:focus { top: 12px; }

/* ---------- type ---------- */
.label, .label-s { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.label { font-size: 12px; line-height: 16px; font-weight: 500; }
.label-s { font-size: 11px; line-height: 14px; font-weight: 400; }
:lang(zh) .label, :lang(zh) .label-s { letter-spacing: .02em; }
.h-xl { font: 800 clamp(44px, 3.4vw + 22px, 72px)/1.05 var(--font-sans); letter-spacing: -.03em; text-wrap: balance; }
.h-l { font: 700 clamp(32px, 2.2vw + 22px, 56px)/1.08 var(--font-sans); letter-spacing: -.02em; text-wrap: balance; }
.h-m { font: 700 clamp(22px, .6vw + 18px, 28px)/1.22 var(--font-sans); letter-spacing: -.01em; }
.h-s { font: 700 20px/26px var(--font-sans); letter-spacing: -.005em; }
.body-l { font-size: clamp(17px, .3vw + 15.5px, 20px); line-height: 1.5; text-wrap: pretty; }
.body-m { font-size: 16px; line-height: 24px; text-wrap: pretty; }
.muted { color: var(--muted); }
.mac { font-family: var(--font-mac); }
kbd { font-family: var(--font-mac); font-size: .95em; white-space: nowrap; }

/* ---------- LED ---------- */
.led { display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--led); box-shadow: 0 0 8px rgba(0, 255, 0, .9); }
.led.s { width: 6px; height: 6px; box-shadow: 0 0 6px rgba(0, 255, 0, .9); }
.led.pulse { animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 12px/16px var(--font-mono); text-transform: uppercase; letter-spacing: .06em;
  padding: 12px 18px; border: 1px solid var(--fg); border-radius: 2px; background: transparent; color: var(--fg);
  text-decoration: none; cursor: pointer; transition: background .15s, color .15s;
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn-ghost { border-color: transparent; padding-inline: 4px; color: var(--muted); }
.btn-ghost:hover { background: transparent; color: var(--fg); }

.store {
  display: inline-flex; align-items: center; gap: 16px;
  padding: 14px 24px 14px 20px; border: 1.5px solid var(--fg); border-radius: 6px;
}
.store-text { display: grid; gap: 2px; }
.store-text .label-s { color: var(--muted); }

/* ---------- nav ---------- */
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 20px var(--gutter); max-width: 1440px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.brand .by { color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links > a { text-decoration: none; color: var(--muted); }
.nav-links > a:hover, .nav-links > a[aria-current="page"] { color: var(--fg); }

.lang { position: relative; }
.lang summary { list-style: none; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary .chev { font-size: 9px; }
.lang ul {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 30; min-width: 180px;
  list-style: none; margin: 0; padding: 6px; background: var(--raised); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .5);
}
.lang li a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 5px; text-decoration: none; font-size: 15px; color: var(--muted); }
.lang li a:hover { background: rgba(255, 255, 255, .06); color: var(--fg); }
.lang li a[aria-current="true"] { color: var(--fg); }
.lang li a[aria-current="true"]::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--led); box-shadow: 0 0 6px rgba(0, 255, 0, .9); }
.lang li a:not([aria-current="true"])::before { content: ""; width: 6px; }

/* ---------- hero: a Mac screen ---------- */
.hero { padding: 8px 32px 112px; max-width: 1440px; margin: 0 auto; }
.stage {
  position: relative; display: grid;
  grid-template-columns: 66px minmax(0, 1fr) 64px minmax(0, 640px) 66px;
  grid-template-rows: 54px 88px auto auto 106px;
}
.frame {
  grid-column: 1 / -1; grid-row: 1 / -1; z-index: 0;
  padding: 10px; background: #000; border-radius: 30px; border: 1px solid rgba(255, 255, 255, .1);
}
.screen {
  position: relative; height: 100%; border-radius: 20px; overflow: hidden; background-color: var(--wall);
  background-image:
    radial-gradient(60% 55% at 6% 4%, var(--wall) 0%, var(--wall) 45%, transparent 75%),
    radial-gradient(42% 38% at 70% 72%, rgba(0, 255, 90, .22), transparent 70%),
    radial-gradient(55% 50% at 85% 8%, rgba(13, 92, 106, .95), transparent 72%),
    radial-gradient(70% 55% at 62% 78%, rgba(12, 107, 53, .95), transparent 75%),
    radial-gradient(55% 45% at 4% 96%, rgba(18, 59, 34, .95), transparent 75%),
    radial-gradient(50% 40% at 30% 100%, rgba(27, 79, 43, .8), transparent 75%);
}
.screen::after {
  content: ""; position: absolute; inset: auto -5% -2% -5%; height: 34%;
  background:
    radial-gradient(120% 90% at 30% 100%, rgba(10, 61, 31, .55), transparent 70%),
    linear-gradient(176deg, transparent 0 40%, rgba(60, 255, 138, .07) 40.3%, transparent 41%);
  filter: blur(6px); pointer-events: none;
}

.menubar {
  grid-column: 1 / -1; grid-row: 1; z-index: 3; position: relative;
  margin: 10px 10px 0; height: 44px; border-radius: 20px 20px 0 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px 0 28px; background: rgba(0, 0, 0, .22);
  -webkit-backdrop-filter: blur(30px); backdrop-filter: blur(30px);
  font-family: var(--font-mac); font-size: 19px; font-weight: 500; color: rgba(255, 255, 255, .92);
  user-select: none;
}
.menus { display: flex; gap: 26px; white-space: nowrap; }
.menus span { color: rgba(255, 255, 255, .55); }
.menus span:first-child { color: rgba(255, 255, 255, .92); font-weight: 700; }
.notch { position: absolute; left: 50%; top: 0; width: 210px; height: 44px; transform: translateX(-50%); background: #000; border-radius: 0 0 16px 16px; }
.status { display: flex; align-items: center; gap: 10px; }
.status .sys { display: flex; align-items: center; padding: 0 6px; }
.status .sys svg { width: 22px; height: 22px; }
.status .sys.batt svg { width: 26px; }
.clock { white-space: nowrap; font-variant-numeric: tabular-nums; }

.ss-item { position: relative; display: flex; align-items: center; padding: 6px 10px; border-radius: 8px; background: rgba(255, 255, 255, .16); }
.ss-item button { display: block; padding: 0 2.25px; margin: 0; border: 0; background: none; cursor: pointer; color: #fff; }
.ss-item button svg { width: 18px; height: 18px; }
.ss-item .ss-heart { margin-left: 7.5px; }
.ss-item button .on, .ss-item button[aria-pressed="true"] .off { display: none; }
.ss-item button[aria-pressed="true"] .on { display: block; }
.callout { position: absolute; left: 6px; top: calc(100% + 14px); color: var(--led); white-space: nowrap; pointer-events: none; }

.pitch { grid-column: 2; grid-row: 3; z-index: 1; display: grid; gap: 32px; align-content: start; }
.eyebrow { display: flex; align-items: center; gap: 12px; }
.pitch h1 .dim { color: var(--muted); }
.pitch .lead { color: var(--muted); max-width: 34em; }
.cta-block { grid-column: 2; grid-row: 4; z-index: 1; display: grid; gap: 28px; align-content: start; padding-top: 32px; }
.cta-row { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.reqs { display: grid; gap: 6px; color: var(--muted); }
.help-links { display: flex; gap: 28px; flex-wrap: wrap; }
.panel-wrap { grid-column: 4; grid-row: 3 / 5; z-index: 1; align-self: center; }

/* ---------- rater panel ---------- */
.panel {
  display: grid; gap: 22px; padding: 28px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-panel);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}
.panel-head, .panel-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); }
.lcd {
  display: grid; gap: 6px; padding: 20px 22px; border-radius: 8px;
  background: var(--lcd); border: 1px solid rgba(0, 255, 0, .14); color: var(--led);
  font-family: var(--font-mono);
}
.lcd-title { font-size: 22px; line-height: 28px; font-weight: 500; text-shadow: 0 0 10px rgba(0, 255, 0, .35); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lcd-artist { font-size: 17px; line-height: 24px; font-weight: 500; opacity: .6; }
.lcd-meta { display: flex; justify-content: space-between; gap: 12px; padding-top: 10px; opacity: .72; font-variant-numeric: tabular-nums; }
.lcd-progress { height: 3px; border-radius: 2px; background: rgba(0, 255, 0, .16); overflow: hidden; }
.lcd-progress i { display: block; height: 100%; width: 43%; background: var(--led); border-radius: 2px; transition: width .9s linear; }

.keys { display: flex; align-items: flex-start; gap: 8px; }
.key-col { display: grid; justify-items: center; gap: 12px; }
.key-col.heart { margin-left: 16px; }
.key {
  position: relative; display: grid; place-items: center; width: 88px; height: 88px; padding: 0;
  border-radius: 10px; background: var(--raised); border: 1px solid var(--line); cursor: pointer; color: var(--muted);
  transition: border-color .15s, transform .08s;
}
.key:hover { border-color: #3d443d; }
.key:active { transform: translateY(1px); }
.key svg { width: 40px; height: 40px; overflow: visible; }
.key .on { display: none; }
.key[aria-pressed="true"] { color: var(--led); }
.key[aria-pressed="true"] .on { display: block; filter: drop-shadow(0 0 8px rgba(0, 255, 0, .55)); }
.key[aria-pressed="true"] .off { display: none; }
.key::after { content: ""; position: absolute; top: 10px; right: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--led-off); }
.key[aria-pressed="true"]::after { background: var(--led); box-shadow: 0 0 6px rgba(0, 255, 0, .9); }
.key.flash { border-color: var(--led); }
.legend { font-family: var(--font-mac); font-size: 13px; line-height: 16px; color: var(--muted); white-space: nowrap; }
.hint-touch { display: none; }

/* ---------- sections ---------- */
main { display: block; }
.section { border-top: 1px solid var(--line); }
.section-in { max-width: 1440px; margin: 0 auto; padding: 112px var(--gutter); display: grid; gap: 48px; }
.section-head { display: grid; gap: 20px; }
.marker { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.marker i { display: flex; gap: 4px; }
.marker i::before { content: ""; width: 28px; height: 3px; background: var(--fg); }
.marker i::after { content: ""; width: 6px; height: 3px; background: var(--led); }

.modules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.module { display: grid; gap: 24px; align-content: start; padding: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.module-label { display: flex; align-items: center; gap: 10px; }
.visual { height: 232px; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.module p { color: var(--muted); }

.mb-crop { position: relative; display: flex; align-items: center; gap: 16px; padding: 12px 18px; border-radius: 10px; background: #1c1e22; font: 500 20px/1 var(--font-mac); color: rgba(255, 255, 255, .9); }
.mb-crop .ss-item { padding: 6px 10px; gap: 4px; border-radius: 7px; }
.mb-crop .ss-item svg { width: 22px; height: 22px; color: #fff; }
.mb-crop .cursor { position: absolute; left: 112px; top: 26px; width: 26px; height: 26px; }

.caps { display: flex; align-items: center; gap: 8px; }
.cap {
  position: relative; display: grid; place-items: center; min-width: 56px; height: 56px; padding: 0 16px;
  border-radius: 9px; background: var(--raised); border: 1px solid var(--line); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .55);
  font: 500 22px/1 var(--font-mac); color: var(--fg);
}
.cap .led { position: absolute; top: 7px; right: 7px; }
.caps .plus { font: 700 28px/1 var(--font-sans); color: var(--muted); }

.ctx {
  width: 268px; padding: 6px; border-radius: 10px; background: #292b30; border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .5); font: 500 13px/1 var(--font-mac); color: rgba(255, 255, 255, .92);
}
.ctx div { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 4px 10px 4px 26px; border-radius: 5px; position: relative; white-space: nowrap; }
.ctx div.dim { color: rgba(255, 255, 255, .45); padding-left: 10px; overflow: hidden; text-overflow: ellipsis; }
.ctx div.hi { background: #3366f2; }
.ctx div.hi::before { content: "✓"; position: absolute; left: 10px; font-weight: 700; font-size: 12px; }
.ctx div span:last-child:not(:first-child) { color: rgba(255, 255, 255, .45); }
.ctx hr { border: 0; height: 1px; background: rgba(255, 255, 255, .12); margin: 4px 10px; }

.lib { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.lib-right { display: grid; gap: 32px; padding-top: 36px; }
.smart { display: grid; gap: 16px; padding: 22px 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.rule { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 7px; background: var(--raised); border: 1px solid var(--line); font: 500 16px/20px var(--font-mac); }
.chip svg { width: 18px; height: 18px; }
.chip .stars { display: flex; gap: 3px; }
.updates { display: flex; align-items: center; gap: 10px; color: var(--led); }

.specs { border-bottom: 1px solid var(--line); }
.specs div { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 32px; padding: 20px 0; border-top: 1px solid var(--line); }
.specs dt { color: var(--muted); padding-top: 6px; }

.pband { max-width: 1440px; margin: 0 auto; padding: 0 var(--gutter) 112px; }
.pcard { display: flex; align-items: center; gap: 40px; padding: 48px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; }
.pled { flex: none; display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--lcd); border: 1px solid rgba(0, 255, 0, .2); }
.pled .led { width: 18px; height: 18px; box-shadow: 0 0 18px rgba(0, 255, 0, .9); }
.pcard .txt { flex: 1; display: grid; gap: 12px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); }
.footer-in { max-width: 1440px; margin: 0 auto; padding: 64px var(--gutter) 40px; display: grid; gap: 56px; }
.footer-top { display: flex; gap: 64px; }
.footer-brand { flex: 1; display: grid; gap: 16px; align-content: start; }
.footer-brand .row { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 44px; height: 44px; }
.fcol { width: 200px; display: grid; gap: 14px; align-content: start; }
.fcol .label-s { color: var(--muted); }
.fcol a { text-decoration: none; }
.fcol a:hover { color: var(--led); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); flex-wrap: wrap; }
.langs { display: flex; flex-wrap: wrap; gap: 10px 18px; }
.langs a { text-decoration: none; color: var(--muted); font: 400 12px/14px var(--font-mono); letter-spacing: .04em; display: inline-flex; align-items: center; gap: 8px; }
.langs a:hover { color: var(--fg); }
.langs a[aria-current="true"] { color: var(--fg); }
.langs a[aria-current="true"]::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--led); box-shadow: 0 0 6px rgba(0, 255, 0, .9); }

/* ---------- document pages (support, privacy) ---------- */
.doc { max-width: 1440px; margin: 0 auto; padding: 72px var(--gutter) 112px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 64px; align-items: start; }
.doc-aside { position: sticky; top: 24px; display: grid; gap: 24px; }
.doc-body { display: grid; gap: 56px; min-width: 0; }
.doc-body section { display: grid; gap: 16px; }
.doc-body h2 { font: 700 28px/34px var(--font-sans); letter-spacing: -.01em; }
.doc-body h3 { font: 700 20px/26px var(--font-sans); }
.doc-body p, .doc-body li { color: var(--muted); font-size: 17px; line-height: 1.6; max-width: 68ch; }
.doc-body strong { color: var(--fg); font-weight: 500; }
.doc-body a { color: var(--fg); text-decoration-color: var(--led); text-underline-offset: 3px; }
.card { display: grid; gap: 14px; padding: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.email { font: 500 20px/1.3 var(--font-mono); color: var(--fg); overflow-wrap: anywhere; }
.copy-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.steps { list-style: none; padding: 0; display: grid; gap: 0; counter-reset: step; border-bottom: 1px solid var(--line); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); color: var(--fg); }
.steps li::before { content: counter(step, decimal-leading-zero); font: 500 12px/26px var(--font-mono); color: var(--led); letter-spacing: .06em; }
.hk { border-bottom: 1px solid var(--line); }
.hk div { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; padding: 16px 0; border-top: 1px solid var(--line); align-items: center; }
.hk dt { font: 500 18px/1.2 var(--font-mac); color: var(--fg); }
.hk dd { color: var(--muted); }
.faq { display: grid; gap: 0; border-bottom: 1px solid var(--line); }
.faq > div { display: grid; gap: 8px; padding: 22px 0; border-top: 1px solid var(--line); }
.faq h3 { color: var(--fg); }
.summary { display: flex; align-items: center; gap: 16px; }
.summary .pled { width: 56px; height: 56px; }
.summary .pled .led { width: 14px; height: 14px; }
.updated { color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .stage { grid-template-columns: 50px minmax(0, 1fr) 40px minmax(0, 520px) 50px; }
  .keys { gap: 6px; }
  .key { width: 72px; height: 72px; }
  .key svg { width: 34px; height: 34px; }
  .key-col.heart { margin-left: 10px; }
  .menus span:nth-child(n+4) { display: none; }
}

@media (max-width: 1099px) {
  :root { --gutter: 32px; }
  .hero { padding: 8px 12px 56px; }
  .stage { grid-template-columns: 20px minmax(0, 1fr) 20px; grid-template-rows: auto 42px 46px auto 24px auto; }
  .pitch { grid-column: 1 / -1; grid-row: 1; padding: 24px 4px 28px; gap: 20px; }
  .frame { grid-row: 2 / 6; padding: 6px; border-radius: 22px; }
  .screen { border-radius: 16px; }
  .menubar { grid-row: 2; margin: 6px 6px 0; height: 36px; border-radius: 16px 16px 0 0; justify-content: flex-end; padding: 0 12px; font-size: 14px; }
  .menus, .notch, .status .sys.batt, .status .sys.cc { display: none; }
  .status { gap: 10px; }
  .status .sys { padding: 0; }
  .status .sys svg { width: 17px; height: 17px; }
  .ss-item { padding: 4px 7px; border-radius: 6px; }
  .ss-item button { padding: 0 1px; }
  .ss-item button svg { width: 15px; height: 15px; }
  .ss-item .ss-heart { margin-left: 5px; }
  .callout { top: calc(100% + 10px); left: 4px; }
  .panel-wrap { grid-column: 2; grid-row: 4; align-self: start; }
  .cta-block { grid-column: 1 / -1; grid-row: 6; padding: 28px 4px 0; gap: 18px; }
  .reqs { display: flex; flex-wrap: wrap; gap: 6px 14px; }
  .modules { grid-template-columns: minmax(0, 1fr); }
  .lib { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .lib-right { padding-top: 0; }
  .doc { grid-template-columns: minmax(0, 1fr); gap: 40px; padding-top: 48px; }
  .doc-aside { position: static; }
  .nav-links > a { display: none; }
}

@media (max-width: 700px), (hover: none) {
  .hint-keys { display: none; }
  .hint-touch { display: inline; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }
  .nav { padding-block: 14px; }
  .brand img { width: 32px; height: 32px; }
  .brand .by { display: none; }
  .panel { padding: 16px; gap: 16px; border-radius: 14px; }
  .lcd { padding: 14px 16px; }
  .lcd-title { font-size: 15px; line-height: 20px; }
  .lcd-artist { font-size: 15px; line-height: 20px; }
  .keys { gap: 6px; }
  .key-col { gap: 0; }
  .key-col.heart { margin-left: 6px; }
  .key { width: 42px; height: 42px; border-radius: 8px; }
  .key svg { width: 24px; height: 24px; }
  .key::after { top: 5px; right: 5px; width: 4px; height: 4px; }
  .legend { display: none; }
  .stage { grid-template-rows: auto 42px 44px auto 18px auto; }
  .section-in { padding-block: 64px; gap: 28px; }
  .module { padding: 20px; gap: 18px; border-radius: 12px; }
  .visual { height: 150px; }
  .visual.tall { height: 236px; }
  .mb-crop { transform: scale(.85); }
  .caps { gap: 6px; }
  .cap { min-width: 52px; height: 52px; padding: 0 14px; font-size: 20px; }
  .specs div { grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 16px 0; }
  .specs dt { padding-top: 0; font-size: 11px; line-height: 14px; font-weight: 400; }
  .specs dd { font-size: 16px; line-height: 24px; }
  .pband { padding-bottom: 64px; }
  .pcard { flex-direction: column; align-items: flex-start; gap: 18px; padding: 24px; border-radius: 14px; }
  .pled { width: 52px; height: 52px; }
  .pled .led { width: 14px; height: 14px; }
  .footer-in { padding-top: 48px; padding-bottom: 32px; gap: 36px; }
  .footer-top { flex-wrap: wrap; gap: 32px 24px; }
  .footer-brand { flex-basis: 100%; }
  .fcol { width: calc(50% - 12px); }
  .fcol.product { display: none; }
  .hk div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .steps li { grid-template-columns: 40px minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .led.pulse { animation: none; }
  .lcd-progress i, .key { transition: none; }
}

/* clock: long form on the desktop screen, weekday + time on narrow screens */
.clock-short { display: none; }
@media (max-width: 1099px) {
  .clock-long { display: none; }
  .clock-short { display: inline; }
}
.panel-foot { flex-wrap: wrap; }
.doc-body ul { padding-left: 20px; display: grid; gap: 6px; }
/* the notch would cover status items on narrower desktop screens */
@media (max-width: 1279px) { .notch { display: none; } }
.mb-crop .crop-heart { margin-left: 8px; }