/* whrss.com — one stylesheet for every page. No external requests. */

:root {
  color-scheme: light dark;

  --bg: #f2f3f5;
  --bg-deep: #e9ebef;
  --text: #1d1d1f;
  --text-2: #4a4a4f;
  --text-3: #62626a;
  --link: #0a5fc9;
  --glass: rgba(255, 255, 255, 0.62);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --glass-bar: rgba(246, 247, 249, 0.72);
  --stroke: rgba(15, 20, 30, 0.09);
  --stroke-strong: rgba(15, 20, 30, 0.16);
  --rim: rgba(255, 255, 255, 0.95);
  --shadow: 0 1px 1px rgba(15, 20, 30, 0.03), 0 10px 30px -12px rgba(15, 20, 30, 0.16);
  --shadow-lg: 0 2px 4px rgba(15, 20, 30, 0.04), 0 30px 60px -24px rgba(15, 20, 30, 0.28);
  --btn-bg: #1d1d1f;
  --btn-text: #ffffff;
  --btn-hover: #3a3a3f;
  --focus: #0a64d6;
  --code-bg: rgba(15, 20, 30, 0.05);
  --shot-bg: #0c0c0e;

  --app: #6b7280;
  --app-ink: #3d4450;

  --radius: 22px;
  --radius-sm: 14px;
  --max: 1120px;
  --gutter: clamp(16px, 4vw, 40px);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121315;
    --bg-deep: #0c0d0e;
    --text: #f5f5f7;
    --text-2: #b4b4bb;
    --text-3: #9a9aa2;
    --link: #5aa5ff;
    --glass: rgba(38, 40, 44, 0.58);
    --glass-strong: rgba(44, 46, 51, 0.82);
    --glass-bar: rgba(24, 25, 28, 0.72);
    --stroke: rgba(255, 255, 255, 0.08);
    --stroke-strong: rgba(255, 255, 255, 0.16);
    --rim: rgba(255, 255, 255, 0.09);
    --shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 10px 30px -12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.25), 0 30px 60px -24px rgba(0, 0, 0, 0.75);
    --btn-bg: #f5f5f7;
    --btn-text: #111214;
    --btn-hover: #d9d9de;
    --focus: #6cb0ff;
    --code-bg: rgba(255, 255, 255, 0.07);
    --shot-bg: #000;
    --app-ink: #c9ced8;
  }
}

/* Per-app tint. Used sparingly: ambient light, small labels, icon glow. */
.app-pop   { --app: #5b7bff; --app-ink: #3453d6; }
.app-meno  { --app: #7c6cff; --app-ink: #5a47e0; }
.app-stox  { --app: #f0463d; --app-ink: #c12b23; }
.app-proxi { --app: #2f6bea; --app-ink: #1f55c7; }
@media (prefers-color-scheme: dark) {
  .app-pop   { --app-ink: #9db0ff; }
  .app-meno  { --app-ink: #b4abff; }
  .app-stox  { --app-ink: #ff8f88; }
  .app-proxi { --app-ink: #8fb4ff; }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Ambient light behind the glass: two soft pools of the page's colour. */
body::before {
  content: "";
  position: fixed;
  inset: -20vmax;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(38vmax 30vmax at 18% 12%, color-mix(in srgb, var(--app) 16%, transparent), transparent 70%),
    radial-gradient(34vmax 28vmax at 88% 30%, color-mix(in srgb, var(--app) 10%, transparent), transparent 70%),
    radial-gradient(50vmax 40vmax at 50% 110%, var(--bg-deep), transparent 70%);
}
.home::before {
  background:
    radial-gradient(28vmax 24vmax at 12% 10%, rgba(91, 123, 255, 0.13), transparent 70%),
    radial-gradient(26vmax 22vmax at 90% 18%, rgba(240, 70, 61, 0.08), transparent 70%),
    radial-gradient(30vmax 26vmax at 80% 80%, rgba(47, 107, 234, 0.09), transparent 70%),
    radial-gradient(30vmax 26vmax at 10% 85%, rgba(124, 108, 255, 0.09), transparent 70%);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
a:not([class]):focus-visible { border-radius: 4px; }

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.022em; margin: 0; font-weight: 700; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); letter-spacing: -0.032em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.012em; font-weight: 650; }
p { margin: 0; }
code, kbd { font-family: var(--mono); font-size: 0.88em; background: var(--code-bg); border-radius: 6px; padding: 0.1em 0.38em; }
kbd { border: 1px solid var(--stroke); }

.skip {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--btn-bg); color: var(--btn-text); padding: 8px 14px; border-radius: 10px;
}
.skip:focus { top: 8px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 780px; }

/* ---------- Menu-bar header ---------- */
.menubar {
  position: sticky; top: 0; z-index: 50;
  background: var(--glass-bar);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--stroke);
}
.menubar .wrap { display: flex; align-items: center; gap: 20px; height: 48px; }
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--text); font-weight: 650; font-size: 15px; letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(180deg, var(--glass-strong), var(--glass));
  border: 1px solid var(--stroke-strong);
  box-shadow: inset 0 1px 0 var(--rim);
  display: grid; place-items: center;
}
.brand-mark span { width: 10px; height: 3px; border-radius: 2px; background: var(--text); opacity: 0.85; box-shadow: 0 -5px 0 -0.5px var(--text-3), 0 5px 0 -0.5px var(--text-3); }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a, .nav summary {
  color: var(--text); font-size: 14px; padding: 5px 10px; border-radius: 8px; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 7px;
}
.nav a:hover { text-decoration: none; background: var(--code-bg); }
.nav a[aria-current="page"] { background: var(--code-bg); }
.nav img { width: 18px; height: 18px; border-radius: 5px; }
.nav .sep { width: 1px; height: 18px; background: var(--stroke-strong); margin: 0 6px; }
.nav-menu { display: none; position: relative; margin-left: auto; }
.nav-menu summary {
  list-style: none; cursor: pointer; user-select: none;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 550; color: var(--text);
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--stroke-strong); background: var(--glass);
  box-shadow: inset 0 1px 0 var(--rim);
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary::after {
  content: ""; width: 7px; height: 7px; margin-top: -3px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.nav-menu[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }
.nav-menu .panel {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 230px;
  display: flex; flex-direction: column; padding: 6px;
  /* Opaque: a backdrop-filter nested in the blurred header can't see the page behind it. */
  background: var(--bg);
  border: 1px solid var(--stroke-strong); border-radius: 16px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--rim);
}
.nav-menu .panel a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; color: var(--text); font-size: 15px;
}
.nav-menu .panel a:hover { background: var(--code-bg); text-decoration: none; }
.nav-menu .panel a[aria-current="page"] { background: var(--code-bg); }
.nav-menu .panel img { width: 20px; height: 20px; display: inline-block; }
.nav-menu .panel .sep { display: block; height: 1px; width: auto; background: var(--stroke); margin: 6px 8px; }
.nav-menu .panel svg.globe { width: 20px; height: 20px; flex: none; }

/* Language menu: a globe button in the header, a small list with the current language checked. */
.lang-menu { position: relative; margin-left: -12px; }
.lang-menu summary {
  list-style: none; cursor: pointer; user-select: none;
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 9px; border-radius: 8px;
  color: var(--text); font-size: 13px; font-weight: 550;
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary::after {
  content: ""; width: 5px; height: 5px; margin: -3px 1px 0 1px;
  border-right: 1.5px solid var(--text-3); border-bottom: 1.5px solid var(--text-3); transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.lang-menu[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }
.lang-menu summary:hover, .lang-menu[open] summary { background: var(--code-bg); }
.lang-menu svg.globe { width: 17px; height: 17px; flex: none; }
.lang-menu .lang-code { color: var(--text-2); }
.lang-menu .panel {
  position: absolute; right: 0; top: calc(100% + 9px); min-width: 184px; z-index: 60;
  display: flex; flex-direction: column; padding: 6px;
  /* Opaque, like the mobile menu: a nested backdrop-filter can't see the page. */
  background: var(--bg);
  border: 1px solid var(--stroke-strong); border-radius: 14px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--rim);
}
.lang-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 8px 10px 8px 12px; border-radius: 9px; color: var(--text); font-size: 14.5px;
}
.lang-list a:hover { background: var(--code-bg); text-decoration: none; }
.lang-list a[aria-current] { font-weight: 600; }
.lang-list .check { width: 16px; height: 16px; flex: none; color: var(--link); visibility: hidden; }
.lang-list a[aria-current] .check { visibility: visible; }

@media (max-width: 860px) {
  .nav { display: none; }
  .nav-menu { display: block; margin-left: 0; }
  .nav-menu .nav-list { display: flex; flex-direction: column; }
  .lang-menu { margin-left: auto; margin-right: -10px; }
}

/* ---------- Glass surfaces ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 var(--rim);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
}

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 999px;
  font: inherit; font-size: 15px; font-weight: 600; letter-spacing: -0.005em;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-primary:hover { background: var(--btn-hover); }
.btn-glass {
  background: var(--glass); color: var(--text); border-color: var(--stroke-strong);
  box-shadow: inset 0 1px 0 var(--rim);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.btn-glass:hover { background: var(--glass-strong); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-sm { min-height: 36px; padding: 0 15px; font-size: 14px; }

/* ---------- Sections ---------- */
main { display: block; }
.section { padding: clamp(56px, 9vw, 112px) 0; }
.section-tight { padding: clamp(40px, 6vw, 72px) 0; }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--app-ink); margin-bottom: 14px;
}
.lede { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: var(--text-2); line-height: 1.5; max-width: 40em; }
.muted { color: var(--text-3); }
.small { font-size: 14px; }
.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head p { margin-top: 14px; color: var(--text-2); font-size: 1.08rem; }

/* ---------- Home hero ---------- */
.hero { padding: clamp(64px, 11vw, 140px) 0 clamp(40px, 6vw, 72px); }
.hero h1 { max-width: 13em; }
.desk-wrap { margin: 0; min-width: 0; }
.hero .lede { margin-top: 22px; }
.hero .actions { margin-top: 32px; }

.statusbar {
  margin-top: clamp(36px, 5vw, 56px);
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  padding: 8px 10px; border-radius: 16px; width: fit-content; max-width: 100%;
}
.statusbar a {
  display: inline-flex; align-items: center; gap: 8px; color: var(--text);
  padding: 6px 12px 6px 7px; border-radius: 10px; font-size: 14px; font-weight: 550;
}
.statusbar a:hover { background: var(--code-bg); text-decoration: none; }
.statusbar img { width: 26px; height: 26px; }
.statusbar .clock { margin-left: 8px; padding: 0 8px; color: var(--text-3); font-size: 13px; font-variant-numeric: tabular-nums; }

/* ---------- App cards (home) ---------- */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }
.card { padding: 28px; display: flex; flex-direction: column; gap: 18px; position: relative; overflow: hidden; }
.card::after {
  content: ""; position: absolute; width: 260px; height: 260px; right: -90px; top: -110px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--app) 22%, transparent), transparent);
  pointer-events: none;
}
.card-top { display: flex; gap: 16px; align-items: center; }
.card-top img { width: 64px; height: 64px; flex: none; filter: drop-shadow(0 6px 12px rgba(0,0,0,0.12)); }
.card h3 { font-size: 1.45rem; }
.card h3 a { color: var(--text); }
.card .pitch { color: var(--text-2); margin-top: 2px; font-size: 15.5px; line-height: 1.4; }
.card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--text-2); font-size: 15.5px; }
.card li { padding-left: 18px; position: relative; }
.card li::before { content: ""; position: absolute; left: 2px; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--app); opacity: 0.8; }
.card .meta { font-size: 13.5px; color: var(--text-3); margin-top: auto; padding-top: 6px; border-top: 1px solid var(--stroke); }
.card .actions { gap: 10px; }

/* ---------- Shared facts ---------- */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 960px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr; } }
.fact { padding: 22px; border-radius: var(--radius-sm); }
.fact h3 { font-size: 1.02rem; margin-bottom: 8px; display: flex; gap: 10px; align-items: center; }
.fact p { color: var(--text-2); font-size: 15px; }
.fact svg { width: 20px; height: 20px; color: var(--text-2); flex: none; }

/* ---------- App page hero ---------- */
.app-hero { padding: clamp(48px, 8vw, 104px) 0 clamp(32px, 5vw, 56px); text-align: center; }
.app-hero .icon { width: 128px; height: 128px; margin: 0 auto 22px; filter: drop-shadow(0 14px 28px color-mix(in srgb, var(--app) 35%, transparent)); }
.app-hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.app-hero .say { color: var(--text-3); font-size: 15px; margin-top: 8px; }
.app-hero .lede { margin: 18px auto 0; max-width: 34em; }
.app-hero .actions { justify-content: center; margin-top: 30px; }
.app-hero .meta { margin-top: 18px; color: var(--text-3); font-size: 14px; }
.app-hero .meta span + span::before { content: "·"; margin: 0 8px; }

.stage { margin-top: clamp(40px, 6vw, 64px); }
.stage-row { display: flex; gap: 18px; justify-content: center; align-items: flex-start; flex-wrap: wrap; }
.stage-row .shot { flex: 0 1 300px; }

/* A screenshot in a quiet frame. */
.shot {
  margin: 0; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--stroke-strong);
  box-shadow: var(--shadow-lg);
  background: var(--shot-bg);
}
.shot img { width: 100%; }
.shot.light { background: #e8eaee; }
.shot.pad { padding: clamp(14px, 3vw, 28px); display: grid; place-items: center; }
.shot.pad img { width: auto; max-width: 100%; border-radius: 10px; }
figcaption { font-size: 13.5px; color: var(--text-3); margin-top: 10px; text-align: center; }
figure { margin: 0; }

/* ---------- Feature rows ---------- */
.features { display: grid; gap: clamp(56px, 9vw, 112px); }
.feature { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.feature:nth-child(even) .feature-text { order: 2; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature:nth-child(even) .feature-text { order: 0; }
}
.feature h2 { font-size: clamp(1.55rem, 2.8vw, 2.1rem); }
.feature-text p { margin-top: 14px; color: var(--text-2); }
.feature-text ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; color: var(--text-2); font-size: 16px; }
.feature-text li { padding-left: 22px; position: relative; }
.feature-text li::before {
  content: ""; position: absolute; left: 0; top: 0.5em; width: 10px; height: 10px; border-radius: 3px;
  border: 1.5px solid var(--app); opacity: 0.9;
}
.feature-media { display: flex; justify-content: center; gap: 16px; min-width: 0; }
.feature-media > * { min-width: 0; max-width: 100%; }
.feature-media .shot { max-width: 520px; width: 100%; }
.feature-media.pair .shot { max-width: 260px; }
@media (max-width: 520px) { .feature-media.pair { flex-direction: column; align-items: center; } }

/* More, in small tiles */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 900px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tiles { grid-template-columns: 1fr; } }
.tile { padding: 22px; border-radius: var(--radius-sm); }
.tile h3 { font-size: 1.02rem; margin-bottom: 6px; }
.tile p { color: var(--text-2); font-size: 15px; }

/* ---------- Info panels (requirements, install) ---------- */
.info-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
@media (max-width: 820px) { .info-grid { grid-template-columns: 1fr; } }
.panel-block { padding: clamp(22px, 3vw, 32px); }
.panel-block h2 { font-size: 1.35rem; margin-bottom: 16px; }
dl.specs { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 20px; font-size: 15.5px; }
dl.specs dt { color: var(--text-3); }
dl.specs dd { margin: 0; color: var(--text); }
@media (max-width: 420px) { dl.specs { grid-template-columns: 1fr; gap: 2px; } dl.specs dd { margin-bottom: 10px; } }
ol.steps { margin: 0; padding-left: 1.3em; display: grid; gap: 10px; color: var(--text-2); font-size: 15.5px; }
ol.steps li::marker { color: var(--text-3); font-variant-numeric: tabular-nums; }
.note { margin-top: 16px; font-size: 14.5px; color: var(--text-2); padding: 12px 14px; border-radius: 12px; background: var(--code-bg); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details { border-radius: var(--radius-sm); padding: 0; }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 52px 18px 22px; position: relative;
  font-weight: 600; font-size: 16.5px; border-radius: var(--radius-sm);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 9px; height: 9px;
  border-right: 2px solid var(--text-3); border-bottom: 2px solid var(--text-3);
  transform: translateY(-70%) rotate(45deg); transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .answer { padding: 0 22px 20px; color: var(--text-2); font-size: 15.5px; display: grid; gap: 10px; }

/* ---------- Other apps strip ---------- */
.siblings { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 720px) { .siblings { grid-template-columns: 1fr; } }
.sibling { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border-radius: var(--radius-sm); color: var(--text); }
.sibling:hover { text-decoration: none; background: var(--glass-strong); }
.sibling img { width: 44px; height: 44px; flex: none; }
.sibling strong { display: block; font-size: 16px; }
.sibling span { display: block; font-size: 14px; color: var(--text-3); line-height: 1.35; }

/* ---------- Prose (privacy, support) ---------- */
.doc { padding: clamp(48px, 8vw, 96px) 0; }
.doc-head { margin-bottom: 36px; }
.doc-head .icon-row { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.doc-head .icon-row img { width: 48px; height: 48px; }
.doc-head h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.doc-head p { margin-top: 12px; color: var(--text-2); }
.summary { padding: 24px 26px; margin-bottom: 40px; }
.summary h2 { font-size: 1.1rem; margin-bottom: 12px; }
.summary ul { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; color: var(--text-2); }
.prose { color: var(--text-2); }
.prose h2 { color: var(--text); font-size: 1.45rem; margin: 44px 0 14px; }
.prose h3 { color: var(--text); font-size: 1.08rem; margin: 26px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose ul, .prose ol { padding-left: 1.3em; display: grid; gap: 6px; }
.prose strong { color: var(--text); font-weight: 600; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; border-radius: var(--radius-sm); border: 1px solid var(--stroke); background: var(--glass); }
table { border-collapse: collapse; width: 100%; font-size: 15px; min-width: 520px; }
th, td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--stroke); }
th { color: var(--text); font-weight: 600; font-size: 14px; background: var(--code-bg); }
tr:last-child td { border-bottom: 0; }
td code { overflow-wrap: anywhere; }
th:first-child, td:first-child { width: 27%; }

.help-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 720px) { .help-grid { grid-template-columns: 1fr; } }
.help { padding: 22px; border-radius: var(--radius-sm); display: grid; gap: 12px; align-content: start; }
.help-top { display: flex; align-items: center; gap: 12px; }
.help-top img { width: 40px; height: 40px; }
.help-top h3 { font-size: 1.1rem; }
.help p { color: var(--text-2); font-size: 15px; }
.help .links { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 15px; }

/* ---------- Illustrations (drawn in CSS, calm and theme-aware) ---------- */
:root {
  --illus-bg: linear-gradient(160deg, #eef0f4 0%, #dde1e8 100%);
  --illus-ink: #1d1d1f;
  --illus-ink-2: #55565c;
  --illus-glass: rgba(255, 255, 255, 0.62);
  --illus-glass-2: rgba(255, 255, 255, 0.85);
  --illus-stroke: rgba(15, 20, 30, 0.08);
  --illus-dot: #2b2d33;
  --illus-sel: color-mix(in srgb, var(--app) 16%, rgba(255, 255, 255, 0.7));
}
@media (prefers-color-scheme: dark) {
  :root {
    --illus-bg: linear-gradient(160deg, #26282e 0%, #17181c 100%);
    --illus-ink: #f5f5f7;
    --illus-ink-2: #b4b4bb;
    --illus-glass: rgba(255, 255, 255, 0.07);
    --illus-glass-2: rgba(255, 255, 255, 0.12);
    --illus-stroke: rgba(255, 255, 255, 0.1);
    --illus-dot: rgba(255, 255, 255, 0.86);
    --illus-sel: color-mix(in srgb, var(--app) 30%, rgba(255, 255, 255, 0.06));
  }
}
.illus {
  width: 100%; max-width: 100%; min-width: 0;
  padding: clamp(16px, 3vw, 28px); border-radius: 20px;
  background: radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, var(--app) 14%, transparent), transparent 70%), var(--illus-bg);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-lg);
  color: var(--illus-ink); overflow: hidden; font-size: 14px;
}
.illus .mb {
  display: flex; align-items: center; gap: 10px; height: 32px; padding: 0 12px; border-radius: 10px;
  background: var(--illus-glass); border: 1px solid var(--illus-stroke);
  box-shadow: inset 0 1px 0 var(--rim);
  font-size: 12.5px; white-space: nowrap; overflow: hidden; min-width: 0;
}
.illus .mb + .mb { margin-top: 10px; }
.illus .mb .menus { display: flex; gap: 14px; font-weight: 500; min-width: 0; overflow: hidden; }
.illus .mb .menus b { font-weight: 700; }
.illus .mb .right { margin-left: auto; display: flex; align-items: center; gap: 9px; flex: none; }
.illus .dot { width: 13px; height: 13px; border-radius: 4px; background: var(--illus-dot); flex: none; opacity: 0.8; }
.illus .dot.c { border-radius: 50%; }
.illus .dot.dim { opacity: 0.32; }
.illus .dot.new { background: var(--app); opacity: 1; }
.illus .div { font-weight: 700; font-size: 14px; line-height: 1; padding: 0 1px; color: var(--illus-ink-2); }
.illus .time { font-variant-numeric: tabular-nums; }
.illus .shelf {
  margin: 12px 0 0 auto; width: fit-content; max-width: 100%; display: flex; gap: 12px; align-items: center; padding: 10px 14px; border-radius: 16px;
  background: var(--illus-glass-2); border: 1px solid var(--illus-stroke);
  box-shadow: inset 0 1px 0 var(--rim), 0 14px 30px -14px rgba(0, 0, 0, 0.35);
}
.illus .shelf .dot { width: 18px; height: 18px; }
.illus .legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; font-size: 13px; color: var(--illus-ink-2); }
.illus .tag { font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em; color: var(--illus-ink-2); margin: 0 0 6px 2px; }
.illus .tag + .mb { margin-top: 0; }
.illus .mb + .tag { margin-top: 16px; }
.illus .palette {
  margin: 0 auto; max-width: 440px; border-radius: 16px; padding: 10px;
  background: var(--illus-glass-2); border: 1px solid var(--illus-stroke);
  box-shadow: inset 0 1px 0 var(--rim), 0 18px 36px -16px rgba(0, 0, 0, 0.35);
}
.illus .palette .q { padding: 9px 11px; border-radius: 10px; background: var(--illus-glass); border: 1px solid var(--illus-stroke); display: flex; gap: 6px; align-items: center; font-weight: 500; }
.illus .palette .q .caret { width: 1.5px; height: 16px; background: var(--app); }
.illus .palette .row { display: flex; align-items: center; gap: 10px; padding: 9px 11px; margin-top: 4px; border-radius: 10px; min-width: 0; }
.illus .palette .row span:not(.dot) { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.illus .palette .row.sel { background: var(--illus-sel); }
.illus .palette .row small { margin-left: auto; color: var(--illus-ink-2); font-size: 12px; white-space: nowrap; padding-left: 8px; }
.illus .palette .row .sw { margin-left: auto; width: 30px; height: 18px; border-radius: 9px; background: var(--app); position: relative; flex: none; }
.illus .palette .row .sw::after { content: ""; position: absolute; right: 2px; top: 2px; width: 14px; height: 14px; border-radius: 50%; background: #fff; }
.illus .palette .row small + .sw { margin-left: 12px; }
.illus .palette .sep { height: 1px; background: var(--illus-stroke); margin: 8px 4px; }
.illus-cap { font-size: 13px; color: var(--text-3); margin-top: 10px; text-align: center; }
@media (max-width: 560px) {
  .illus .mb .menus span { display: none; }
  .illus .mb { gap: 7px; padding: 0 9px; }
  .illus .mb .right { gap: 7px; }
  .illus .dot { width: 11px; height: 11px; }
}

/* Gesture timeline (Pop) */
.gesture .step { display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: center; padding: 12px 12px; border-radius: 12px; }
.gesture .step + .step { margin-top: 6px; }
.gesture .step.sel { background: var(--illus-sel); }
.gesture .bar { height: 8px; border-radius: 4px; background: var(--illus-stroke); position: relative; overflow: hidden; }
.gesture .bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 4px; background: var(--illus-ink-2); opacity: 0.55; }
.gesture .step.sel .bar i { background: var(--app); opacity: 1; }
.gesture .bar b { position: absolute; left: 62%; top: -3px; bottom: -3px; width: 2px; background: var(--illus-ink); opacity: 0.35; }
.gesture strong { display: block; font-size: 14px; }
.gesture span { display: block; font-size: 13px; color: var(--illus-ink-2); }
.gesture .head { display: flex; justify-content: space-between; font-size: 12px; color: var(--illus-ink-2); padding: 0 12px 8px; }
@media (max-width: 420px) { .gesture .step { grid-template-columns: 64px 1fr; gap: 10px; } }

/* Cut-out app panels, floating on the page */
.cut { margin: 0; display: flex; flex-direction: column; align-items: center; min-width: 0; }
.cut img, .cut picture { max-width: 100%; }
.cut img { filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.08)) drop-shadow(0 18px 28px rgba(15, 20, 30, 0.2)); }
@media (prefers-color-scheme: dark) {
  .cut img { filter: drop-shadow(0 0 0.5px rgba(255, 255, 255, 0.35)) drop-shadow(0 18px 30px rgba(0, 0, 0, 0.6)); }
}
.stack { display: flex; flex-direction: column; gap: 22px; align-items: center; min-width: 0; }
.feature-media .cut { max-width: 100%; }

/* Pop hero composition */
.compose { position: relative; display: flex; justify-content: center; align-items: center; gap: clamp(16px, 4vw, 48px); flex-wrap: wrap; }

/* Home hero: text beside a small desk of real panels hanging from a menu bar */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } }
.desk {
  position: relative; width: 100%; max-width: 500px; margin: 0 auto; aspect-ratio: 50 / 56;
  border-radius: 26px; overflow: hidden;
  background:
    radial-gradient(70% 60% at 20% 15%, rgba(91, 123, 255, 0.16), transparent 70%),
    radial-gradient(60% 50% at 90% 85%, rgba(240, 70, 61, 0.1), transparent 70%),
    var(--illus-bg);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-lg);
}
.desk .bar {
  position: absolute; left: 0; right: 0; top: 0; height: 34px; display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding: 0 14px;
  background: var(--illus-glass); border-bottom: 1px solid var(--illus-stroke);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  font-size: 12.5px; color: var(--illus-ink); font-variant-numeric: tabular-nums; z-index: 5;
}
.desk .bar img { width: 18px; height: 18px; }
.desk .p { position: absolute; }
.desk .p img { width: 100%; height: auto; }
.desk .proxi { left: 5%; top: 11%; width: 45%; z-index: 1; }
.desk .stox { right: 5%; top: 9.5%; width: 51%; z-index: 2; }
.desk .ring { left: 2%; bottom: 3%; width: 38%; z-index: 3; }
.desk .p img { filter: drop-shadow(0 16px 24px rgba(15, 20, 30, 0.25)); }
@media (prefers-color-scheme: dark) { .desk .p img { filter: drop-shadow(0 16px 26px rgba(0, 0, 0, 0.55)); } }
.desk-cap { font-size: 13px; color: var(--text-3); text-align: center; margin-top: 12px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--stroke); padding: 48px 0 56px; margin-top: clamp(40px, 6vw, 80px); font-size: 14px; color: var(--text-3); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h2 { font-size: 13px; letter-spacing: 0.02em; color: var(--text); margin-bottom: 12px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer a { color: var(--text-2); }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-top: 36px;
}
.footer-lang { display: flex; align-items: center; gap: 6px; }
.footer-lang svg.globe { width: 16px; height: 16px; flex: none; }
.footer-lang ul { display: flex; gap: 2px; }
.footer-lang a { display: inline-flex; padding: 3px 10px; border-radius: 999px; }
.footer-lang a:hover { background: var(--code-bg); text-decoration: none; }
.footer-lang a[aria-current] { background: var(--code-bg); color: var(--text); font-weight: 600; }
.footer-lang .check { display: none; }

/* ---------- 404 ---------- */
.lost { min-height: 62vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.lost .code { font-size: clamp(4rem, 14vw, 8rem); font-weight: 700; letter-spacing: -0.05em; line-height: 1; color: var(--text-3); opacity: 0.55; }
.lost h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-top: 12px; }
.lost p { color: var(--text-2); margin-top: 12px; }
.lost .actions { justify-content: center; margin-top: 26px; }

/* Chinese typography */
:lang(zh) body, body:lang(zh) { line-height: 1.7; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing: 0; line-height: 1.25; }
:lang(zh) .eyebrow { letter-spacing: 0.08em; }

/* Fallback when backdrop-filter is missing: keep panels readable. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .menubar { background: var(--glass-strong); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .btn:active { transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .glass, .menubar, .btn-glass { background: var(--glass-strong); backdrop-filter: none; -webkit-backdrop-filter: none; }
}

@media print {
  body::before, .menubar, .footer { display: none; }
  .glass { box-shadow: none; background: none; }
}

/* Two panels overlapping (Pop tools) */
.overlap { display: grid; width: 100%; max-width: 520px; }
.overlap > * { grid-area: 1 / 1; width: 76%; }
.overlap > :first-child { justify-self: end; align-self: start; }
.overlap > :last-child { justify-self: start; align-self: end; margin-top: 30%; }
.overlap .cut img { width: 100%; }
.illus-wrap { width: 100%; max-width: 500px; min-width: 0; }

/* Meno hero: the illustration as a screen, menu bar flush with the top edge */
.illus.screen { padding: 0; min-height: clamp(170px, 20vw, 220px); display: flex; flex-direction: column; text-align: left; }
.illus.screen .mb { border-radius: 0; border-width: 0 0 1px; height: 34px; padding: 0 16px; box-shadow: none; }
.illus.screen .shelf { margin: 10px 14px 0 auto; }
.illus.screen .legend { margin-top: auto; padding: 18px 18px 16px; }

/* Tables become labelled blocks on phones */
@media (max-width: 640px) {
  .table-wrap { overflow: visible; }
  .table-wrap table { min-width: 0; }
  .table-wrap thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .table-wrap tr { display: block; padding: 14px 16px; border-bottom: 1px solid var(--stroke); }
  .table-wrap tr:last-child { border-bottom: 0; }
  .table-wrap td { display: block; width: auto !important; padding: 0; border: 0; }
  .table-wrap td + td { margin-top: 8px; }
  .table-wrap td:first-child { color: var(--text); font-weight: 600; }
  .table-wrap td[data-label]:not(:first-child)::before {
    content: attr(data-label); display: block; font-size: 12px; font-weight: 600; color: var(--text-3); margin-bottom: 2px;
  }
  .table-wrap td:empty { display: none; }
}
:lang(zh) .hero h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); max-width: none; }
.prose code, .note code, .specs code, .steps code { overflow-wrap: anywhere; }