/* Belltongue website — the app's design language on the web (the app’s DesignSystem.swift and HUD.swift):
   content floats on glass, glass floats on a sky; navy ink (white at night); system blue for actions;
   the blue → violet gradient appears only for live speech. Light and dark follow the system. */

:root {
  --sky-1: #6fa8e6; --sky-2: #bcd8f5; --sky-3: #ffd9c2;
  --cloud: rgba(255, 255, 255, .75);
  --ink: #0c1b33;
  --ink-2: rgba(12, 27, 51, .86);
  --ink-3: rgba(12, 27, 51, .78);
  --card: rgba(255, 255, 255, .42);
  --card-strong: rgba(255, 255, 255, .72);
  --card-border: rgba(255, 255, 255, .70);
  --card-hi: rgba(255, 255, 255, .85);
  --line: rgba(12, 27, 51, .10);
  --chip: rgba(255, 255, 255, .55);
  --header: rgba(225, 238, 252, .55);
  --link: rgb(18, 92, 204);
  --btn-1: #1f6fe0; --btn-2: #125ccc;
  --ok: #1f9d55; --rec: #ff3b30; --warn: #c26a00; --amber: #ffa83a;
  --speak-1: #57c1ff; --speak-2: #8c73ff;
  --hud: rgba(255, 255, 255, .62); --hud-line: rgba(0, 0, 0, .08);
  --ph-bg: rgba(255, 197, 51, .38); --ph-line: #9a6400;
  --shadow: 0 10px 30px -8px rgba(12, 27, 51, .22);
  --radius: 20px;
  --wrap: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", Roboto, "PingFang SC",
             "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* The app's night sky ends at #8b6a7a; the web page ends a little darker so secondary text keeps 4.5:1. */
    --sky-1: #0f1d3a; --sky-2: #36507f; --sky-3: #6a5263;
    --cloud: rgba(170, 190, 230, .35);
    --ink: #ffffff;
    --ink-2: rgba(255, 255, 255, .84);
    --ink-3: rgba(255, 255, 255, .72);
    --card: rgba(16, 26, 52, .40);   /* dark glass: macOS dark material + the app's white 10% wash */
    --card-strong: rgba(13, 22, 44, .72);
    --card-border: rgba(255, 255, 255, .20);
    --card-hi: rgba(255, 255, 255, .30);
    --line: rgba(255, 255, 255, .14);
    --chip: rgba(255, 255, 255, .12);
    --header: rgba(15, 29, 58, .55);
    --link: rgb(140, 199, 255);
    --ok: #59d499; --warn: #ffb340;
    --hud: rgba(0, 0, 0, .30); --hud-line: rgba(255, 255, 255, .14);
    --ph-bg: rgba(255, 197, 51, .22); --ph-line: #ffc533;
    --shadow: 0 10px 30px -8px rgba(0, 0, 0, .45);
  }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  min-height: 100vh;
  font: 400 17px/1.55 var(--font);
  color: var(--ink);
  background: var(--sky-2);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
.lang-zh body, body.lang-zh { line-height: 1.75; }
img, svg { display: block; max-width: 100%; }
a { color: var(--link); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; text-wrap: balance; }
h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.04; font-weight: 700; letter-spacing: -.025em; }
h2 { font-size: clamp(30px, 4.2vw, 46px); line-height: 1.1; font-weight: 700; letter-spacing: -.02em; }
h3 { font-size: 20px; line-height: 1.3; font-weight: 650; letter-spacing: -.01em; }
.lang-zh h1, .lang-zh h2 { letter-spacing: -.01em; line-height: 1.15; }
.phrase { display: inline-block; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
code, kbd { font-family: var(--mono); font-size: .9em; }
.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.narrow { width: min(100% - 32px, 760px); margin-inline: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--btn-2); color: #fff; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }

/* The sky behind everything: vertical gradient + four soft clouds (SkyBackdrop). */
.sky {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(260px 90px at 20% 30%, var(--cloud), transparent 100%),
    radial-gradient(340px 110px at 70% 20%, var(--cloud), transparent 100%),
    radial-gradient(300px 100px at 55% 75%, var(--cloud), transparent 100%),
    radial-gradient(240px 80px at 15% 85%, var(--cloud), transparent 100%),
    linear-gradient(180deg, var(--sky-1) 0%, var(--sky-2) 60%, var(--sky-3) 100%);
}

/* ---------- glass ---------- */
.card, .glass {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 var(--card-hi);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  backdrop-filter: blur(22px) saturate(1.4);
}
.card { padding: 28px; }
.sheet {
  background: var(--card-strong);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--shadow), inset 0 1px 0 var(--card-hi);
  -webkit-backdrop-filter: blur(26px) saturate(1.4);
  backdrop-filter: blur(26px) saturate(1.4);
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: -.01em; white-space: nowrap; }
.brand img { border-radius: 7px; }
.brand-sub { font-weight: 500; color: var(--ink-3); margin-left: 6px; font-size: .82em; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a, .lang-switch { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; padding: 6px 12px; border-radius: 999px; }
.nav a:hover, .lang-switch:hover { color: var(--ink); background: var(--chip); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--chip); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary:hover { background: var(--chip); }
.menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); position: relative; transition: transform .2s ease; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -6px; } .menu-icon::after { top: 6px; }
.menu[open] .menu-icon { background: transparent; }
.menu[open] .menu-icon::before { transform: translateY(6px) rotate(45deg); }
.menu[open] .menu-icon::after { transform: translateY(-6px) rotate(-45deg); }
.menu-panel {
  position: absolute; right: 0; top: 50px; min-width: 220px; padding: 8px;
  display: grid; gap: 2px;
  background: var(--card-strong); border: 1px solid var(--card-border); border-radius: 16px; box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(26px); backdrop-filter: blur(26px);
}
.menu-panel a { padding: 10px 14px; border-radius: 10px; color: var(--ink); text-decoration: none; font-weight: 500; }
.menu-panel a:hover { background: var(--chip); }
@media (max-width: 860px) {
  .nav { display: none; }
  .menu { display: block; }
  .header-actions .lang-switch { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 999px;
  font: 600 16px/1.2 var(--font); text-decoration: none; white-space: nowrap; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  color: #fff; background: linear-gradient(180deg, var(--btn-1), var(--btn-2));
  box-shadow: 0 8px 20px -6px rgba(18, 92, 204, .55), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-glass {
  color: var(--ink); background: var(--card); border-color: var(--card-border);
  box-shadow: 0 6px 16px -8px rgba(12, 27, 51, .3), inset 0 1px 0 var(--card-hi);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.btn-glass:hover { background: var(--card-strong); }
.btn-sm { min-height: 36px; padding: 0 16px; font-size: 14px; }
.btn[aria-disabled="true"], .btn:disabled { opacity: .6; cursor: progress; transform: none; }
.btn svg { width: 18px; height: 18px; flex: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.fineprint { font-size: 14px; color: var(--ink-3); }

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2);
}
.lang-zh .eyebrow { letter-spacing: .08em; text-transform: none; font-size: 14px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: var(--chip); border: 1px solid var(--card-border); font-size: 14px; font-weight: 500; color: var(--ink-2);
}
.lede { font-size: clamp(18px, 2vw, 21px); line-height: 1.5; color: var(--ink-2); }
.lang-zh .lede { line-height: 1.7; }
.kbd, kbd {
  display: inline-block; min-width: 1.9em; padding: .12em .45em; border-radius: 7px; text-align: center; vertical-align: .05em;
  font: 500 .82em/1.2 var(--mono); color: var(--ink);
  background: var(--card); border: 1px solid var(--card-border); box-shadow: 0 2px 4px -2px rgba(0, 0, 0, .25), inset 0 1px 0 var(--card-hi);
}
.ph {
  font-family: var(--mono); font-size: .88em; padding: 0 .35em; border-radius: 5px;
  background: var(--ph-bg); outline: 1px dashed var(--ph-line); outline-offset: -1px; color: var(--ink); white-space: nowrap;
}
.lamp { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: none; display: inline-block; }
.note { font-size: 14px; color: var(--ink-3); }
sup { line-height: 0; }
sup a { text-decoration: none; }

/* ---------- sections ---------- */
.section { padding: 72px 0; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 + .lede { margin-top: 16px; }
@media (max-width: 720px) { .section { padding: 52px 0; } .section-head { margin-bottom: 32px; } }

/* ---------- hero ---------- */
.hero { padding: 72px 0 24px; }
.hero-grid { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: 22px; }
.hero .lede { max-width: 34em; margin-bottom: 30px; }
.hero .fineprint { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.hero .fineprint span { display: inline-flex; align-items: center; gap: 6px; }
@media (max-width: 520px) { .hero .cta-row .btn { flex: 1 1 100%; } }
@media (max-width: 960px) {
  .hero { padding: 48px 0 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* The hero illustration: an app window with the dictation HUD (HUD.swift's pill). */
.demo { position: relative; padding: 0; overflow: visible; }
.demo-window { border-radius: var(--radius); overflow: hidden; }
.demo-bar { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.demo-bar i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.demo-bar i:nth-child(2) { background: #febc2e; } .demo-bar i:nth-child(3) { background: #28c840; }
.demo-bar span { margin-left: 10px; font-size: 13px; font-weight: 600; color: var(--ink-3); }
.demo-doc { padding: 22px 24px 92px; min-height: 270px; }
.demo-field { font-size: 13px; color: var(--ink-3); padding-bottom: 10px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.demo-field b { color: var(--ink-2); font-weight: 600; }
.demo-text { font-size: 17px; line-height: 1.6; color: var(--ink); min-height: 3.2em; }
.demo-text .caret { display: inline-block; width: 2px; height: 1.15em; vertical-align: -.2em; background: var(--link); margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hud {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 11px; height: 38px; padding: 0 14px; border-radius: 19px;
  background: var(--hud); border: 1px solid var(--hud-line);
  -webkit-backdrop-filter: blur(18px) saturate(1.6); backdrop-filter: blur(18px) saturate(1.6);
  box-shadow: 0 12px 28px -10px rgba(0, 0, 0, .35);
  font-size: 12.5px; font-weight: 500; color: var(--ink); white-space: nowrap;
  transition: border-color .25s ease;
}
.hud[data-phase="processing"] { border-color: rgba(255, 168, 58, .75); }
.hud[data-phase="done"] { border-color: rgba(52, 199, 89, .8); }
.hud .rec { width: 8px; height: 8px; border-radius: 50%; background: var(--rec); animation: rec 1s steps(1) infinite; }
@keyframes rec { 50% { opacity: .35; } }
.hud .wave { display: flex; align-items: center; gap: 2.5px; height: 20px; }
.hud .wave b { width: 2.5px; height: 4px; border-radius: 2px; background: linear-gradient(0deg, var(--speak-1), var(--speak-2)); transition: height .12s ease; }
.hud .time { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink-2); }
.hud .spin { font-family: var(--mono); width: 10px; color: var(--amber); }
.hud .check { width: 16px; height: 16px; border-radius: 50%; background: #34c759; color: #fff; display: grid; place-items: center; font-size: 10px; font-weight: 700; }
.hud [data-show] { display: none; }
.hud[data-phase="listening"] [data-show~="listening"],
.hud[data-phase="processing"] [data-show~="processing"],
.hud[data-phase="done"] [data-show~="done"] { display: inline-flex; }
.hud .wave[data-show] { align-items: center; }
.said {
  margin: 18px 4px 0; font-size: 14px; color: var(--ink-2); line-height: 1.6;
}
.said strong { color: var(--ink); font-weight: 600; }
.said s { color: var(--ink-3); text-decoration-color: currentColor; }
.said .fix { color: var(--ink-3); text-decoration: line-through; }

/* ---------- feature rows ---------- */
.features { display: grid; gap: 28px; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 40px; }
.feature:nth-child(even) .feature-art { order: -1; }
.feature-num { font: 600 14px/1 var(--mono); color: var(--ink-3); margin-bottom: 14px; display: block; }
.feature h3 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.15; letter-spacing: -.02em; margin-bottom: 14px; }
.feature p { color: var(--ink-2); }
.feature ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--ink-2); }
.feature li { display: flex; gap: 10px; align-items: baseline; }
.feature li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--link); transform: translateY(-2px); }
.feature .note { margin-top: 14px; }
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; gap: 28px; padding: 26px 22px; }
  .feature:nth-child(even) .feature-art { order: 0; }
}

/* art: privacy flow */
.flow { display: grid; gap: 12px; }
.flow-box { border-radius: 16px; padding: 16px 18px; background: var(--chip); border: 1px solid var(--card-border); }
.flow-box h4 { margin: 0 0 10px; font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); }
.lang-zh .flow-box h4 { text-transform: none; letter-spacing: .04em; }
.flow-steps { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 600; font-size: 15px; }
.flow-steps .arrow { color: var(--ink-3); font-weight: 400; }
.flow-steps .tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 10px; background: var(--card); border: 1px solid var(--card-border); }
.flow-steps .tag.speak { background: linear-gradient(90deg, rgba(87, 193, 255, .28), rgba(140, 115, 255, .28)); }
.flow-lock { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 14px; color: var(--ok); font-weight: 600; }
.flow-lock svg { width: 16px; height: 16px; }
.flow-down { text-align: center; color: var(--ink-3); font-size: 13px; }
.choices { display: grid; gap: 8px; }
.choice { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 12px; background: var(--card); border: 1px solid var(--card-border); font-size: 14.5px; }
.choice b { font-weight: 600; }
.choice span { color: var(--ink-3); font-size: 13px; text-align: right; }

/* art: price receipt */
.receipt { padding: 26px; border-radius: 18px; background: var(--chip); border: 1px solid var(--card-border); }
.receipt-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-bottom: 16px; border-bottom: 1px dashed var(--line); }
.receipt-top .amount { font: 700 44px/1 var(--display); letter-spacing: -.03em; }
.receipt-top .once { color: var(--ink-3); font-weight: 500; }
.receipt dl { margin: 16px 0 0; display: grid; grid-template-columns: 1fr auto; gap: 10px 16px; font-size: 15px; }
.receipt dt { color: var(--ink-2); }
.receipt dd { margin: 0; font-weight: 600; text-align: right; }

/* art: memory meter */
.meter-card { padding: 24px; border-radius: 18px; background: var(--chip); border: 1px solid var(--card-border); }
.meter-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; margin-bottom: 10px; font-size: 15px; color: var(--ink-2); }
.meter-row strong { font: 700 34px/1 var(--display); color: var(--ink); letter-spacing: -.02em; white-space: nowrap; }
.meter { height: 12px; border-radius: 6px; background: var(--card); border: 1px solid var(--card-border); overflow: hidden; }
.meter i { display: block; height: 100%; width: 10%; border-radius: 6px; background: linear-gradient(90deg, #34c759, #30d158); }
.mem-grid { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px 12px; align-items: center; margin: 4px 0 2px; }
.mem-label { font-size: 14px; color: var(--ink-2); white-space: nowrap; }
.mem-val { font: 600 13.5px/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); text-align: right; white-space: nowrap; }
.mem-grid .meter { height: 10px; }
.mem-grid .meter i { min-width: 6px; }
.mem-grid .meter-scale { position: relative; display: block; height: 12px; margin-top: -2px; }
.mem-grid .meter-scale span { position: absolute; top: 0; white-space: nowrap; }
.mem-grid .meter-scale span:nth-child(1) { left: 0; }
.mem-grid .meter-scale span:nth-child(2) { left: 50%; transform: translateX(-50%); }
.mem-grid .meter-scale span:nth-child(3) { right: 0; }
@media (max-width: 420px) { .mem-label { white-space: normal; max-width: 8.5em; } }
.meter-scale { display: flex; justify-content: space-between; font: 500 12px/1 var(--mono); color: var(--ink-3); margin-top: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chips span { padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--card-border); font-size: 13.5px; font-weight: 500; color: var(--ink-2); }
.engine { display: flex; gap: 10px; align-items: center; margin-top: 16px; font-size: 14px; color: var(--ink-2); }

/* art: only my voice */
.voices { display: grid; gap: 12px; }
.voice-row { display: grid; grid-template-columns: minmax(6.5em, max-content) 1fr; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 14px; background: var(--chip); border: 1px solid var(--card-border); font-size: 14px; font-weight: 600; }
.voice-row .bars { display: flex; align-items: center; justify-content: space-between; gap: 3px; height: 30px; }
.voice-row .bars b { flex: 1; max-width: 5px; border-radius: 3px; background: linear-gradient(0deg, var(--speak-1), var(--speak-2)); }
.voice-row.other { color: var(--ink-3); }
.voice-row.other .bars b { background: var(--ink-3); opacity: .45; }
.voice-row.other .bars { position: relative; }
.voice-row.other .bars::after { content: ""; position: absolute; left: -2px; right: -2px; top: 50%; height: 2px; background: var(--rec); opacity: .8; transform: rotate(-4deg); }
.voice-out { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 14px; background: var(--card); border: 1px solid var(--card-border); font-size: 14.5px; }
.voice-out .lamp { background: var(--ok); }

/* screenshot placeholders — replaced by real renders after the rename */
.shot-ph {
  position: relative; aspect-ratio: 16 / 10; border-radius: 16px; margin-top: 18px;
  display: grid; place-items: center; text-align: center; padding: 20px;
  border: 2px dashed var(--ph-line); color: var(--ink-2);
  background: repeating-linear-gradient(135deg, var(--ph-bg) 0 12px, transparent 12px 24px), var(--chip);
}
.shot-ph strong { display: block; font-size: 15px; color: var(--ink); }
.shot-ph span { display: block; font: 500 12.5px/1.5 var(--mono); margin-top: 6px; }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.shots .shot-ph { margin: 0; }
.shots .shot { display: block; border-radius: 14px; transition: transform .15s ease; }
.shots .shot:hover { transform: translateY(-2px); }
.shots img { display: block; width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--card-border); box-shadow: var(--shadow); }
@media (max-width: 900px) { .shots { grid-template-columns: 1fr; } }
.launch-only { display: none; }
.launch-on .launch-only { display: inline; }
.launch-on .launch-hide { display: none; }

/* ---------- how it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; margin: 0; padding: 0; }
.step { padding: 28px; }
.step-visual { height: 64px; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.step-visual .kbd { font-size: 22px; padding: .2em .6em; border-radius: 12px; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 16px; }
.mini-wave { display: flex; align-items: center; gap: 4px; height: 44px; }
.mini-wave b { width: 5px; border-radius: 3px; background: linear-gradient(0deg, var(--speak-1), var(--speak-2)); }
.mini-text { font-size: 15px; font-weight: 500; padding: 8px 12px; border-radius: 10px; background: var(--chip); border: 1px solid var(--card-border); }
.mini-text i { display: inline-block; width: 2px; height: 1.1em; background: var(--link); vertical-align: -.2em; margin-left: 2px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- more ---------- */
.more { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.more-item { padding: 22px; display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; }
.more-item svg { width: 36px; height: 36px; padding: 7px; border-radius: 10px; background: var(--chip); border: 1px solid var(--card-border); color: var(--ink); }
.more-item h3 { font-size: 16.5px; margin-bottom: 4px; }
.more-item p { font-size: 15px; color: var(--ink-2); }
@media (max-width: 960px) { .more { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .more { grid-template-columns: 1fr; } }
.footnotes { margin-top: 28px; font-size: 13.5px; color: var(--ink-3); display: grid; gap: 6px; }
.footnotes p { margin: 0; }

/* ---------- pricing ---------- */
.price-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: stretch; }
.price-card { padding: 36px; display: flex; flex-direction: column; }
.price-card h3 { font-size: 15px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.lang-zh .price-card h3 { text-transform: none; }
.price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px 14px; margin-bottom: 6px; }
.price .now { font: 700 64px/1 var(--display); letter-spacing: -.03em; }
.price .was { font: 600 24px/1 var(--display); color: var(--ink-3); text-decoration: line-through; }
.price .unit { color: var(--ink-2); font-weight: 500; }
.price .was, .price [data-launch] { display: none; }
.launch-on .price .was { display: inline; }
.launch-banner { display: none; margin: 4px 0 8px; font-size: 14px; font-weight: 600; color: var(--warn); }
.launch-on .launch-banner { display: block; }
.price-sub { color: var(--ink-2); margin-bottom: 22px; }
.ticks { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; color: var(--ink); }
.ticks li::before { content: "✓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(52, 199, 89, .18); color: var(--ok); font-weight: 700; font-size: 13px; margin-top: 2px; }
.price-card .cta-row { margin-top: auto; }
.price-card .btn { flex: 1 1 200px; }
.price-side { padding: 32px; display: grid; gap: 18px; align-content: start; }
.price-side h3 { margin-bottom: 4px; }
.price-side p { color: var(--ink-2); font-size: 16px; }
.checkout-msg { margin-top: 12px; font-size: 14px; color: var(--warn); min-height: 1.4em; }
@media (max-width: 900px) { .price-wrap { grid-template-columns: 1fr; } .price-card, .price-side { padding: 26px 22px; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; margin-inline: auto; }
.faq details { padding: 0; border-radius: 16px; }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 56px 18px 22px; position: relative;
  font-weight: 600; font-size: 17px; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3); transform: rotate(45deg); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq .answer { padding: 0 22px 20px; color: var(--ink-2); }
.faq .answer p { margin-bottom: .7em; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; padding: 56px 28px; }
.cta-band h2 { margin-bottom: 14px; }
.cta-band .lede { margin: 0 auto 28px; max-width: 34em; }
.cta-band .cta-row { justify-content: center; }
.cta-band .fineprint { margin-top: 16px; }

/* ---------- inner pages ---------- */
.page-head { padding: 64px 0 28px; }
.page-head h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 14px; }
.page-head .lede { max-width: 40em; }
.page-head .updated { margin-top: 14px; font-size: 14px; color: var(--ink-3); }
.page-body { padding-bottom: 96px; }
.steps-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: s; }
.steps-list > li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 22px; }
.steps-list > li::before {
  content: counter(s); width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  font: 700 16px/1 var(--display); color: #fff; background: linear-gradient(180deg, var(--btn-1), var(--btn-2));
}
.steps-list h3 { margin-bottom: 6px; font-size: 18px; }
.steps-list p { color: var(--ink-2); font-size: 16px; }
.req { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.req .card { padding: 22px; }
.req h3 { font-size: 15px; color: var(--ink-3); font-weight: 600; margin-bottom: 6px; }
.req p { font-weight: 600; font-size: 17px; }
@media (max-width: 760px) { .req { grid-template-columns: 1fr; } }
.download-card { padding: 36px; display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.download-card img { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .45); }
.download-card h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 8px; }
.download-card p { color: var(--ink-2); margin-bottom: 18px; }
@media (max-width: 640px) { .download-card { grid-template-columns: 1fr; padding: 26px 22px; } .download-card img { width: 72px; height: 72px; border-radius: 17px; } }
.release { padding: 30px; }
.release + .release { margin-top: 16px; }
.release header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: 14px; }
.release h2 { font-size: 26px; }
.release time, .release .tag { font-size: 14px; color: var(--ink-3); }
.release ul { margin: 0; padding-left: 20px; color: var(--ink-2); display: grid; gap: 6px; }
.prose h2 { font-size: 24px; margin: 0 0 12px; }
.prose p, .prose li { color: var(--ink-2); }
.center-page { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 64px 0; }
.center-page .card { max-width: 600px; padding: 44px 32px; }
.center-page h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 14px; }
.center-page .lede { margin-bottom: 26px; }
.center-page .cta-row { justify-content: center; }

/* ---------- legal pages: the privacy, terms, refund and contact fragments ---------- */
.legal { width: min(100% - 32px, 880px); margin-inline: auto; padding-bottom: 96px; }
.legal > .page-head { padding: 56px 0 24px; }
.legal .draft-note {
  margin: 0 0 22px; padding: 14px 18px; border-radius: 14px;
  background: var(--ph-bg); border: 1px dashed var(--ph-line); color: var(--ink); font-size: 15px;
}
.legal .toc { margin: 0 0 22px; padding: 20px 24px; border-radius: 18px; background: var(--card-strong); border: 1px solid var(--card-border); box-shadow: var(--shadow); }
.legal .toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 32px; font-size: 15px; }
.legal .toc li { break-inside: avoid; margin: 3px 0; }
@media (max-width: 640px) { .legal .toc ol { columns: 1; } }
.legal > section {
  padding: 28px 32px; margin-bottom: 14px; border-radius: 20px;
  background: var(--card-strong); border: 1px solid var(--card-border); box-shadow: var(--shadow), inset 0 1px 0 var(--card-hi);
  -webkit-backdrop-filter: blur(26px); backdrop-filter: blur(26px);
}
.legal > section h2 { font-size: 24px; margin-bottom: 14px; }
.legal > section h3 { font-size: 18px; margin: 22px 0 8px; }
.legal p, .legal li, .legal dd { color: var(--ink-2); font-size: 16px; }
.legal strong { color: var(--ink); }
.legal ul, .legal ol { padding-left: 22px; margin: 0 0 1em; }
.legal li { margin: 4px 0; }
.legal dl { margin: 0 0 1em; display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; }
.legal dt { font-weight: 600; color: var(--ink); }
.legal dd { margin: 0; }
@media (max-width: 560px) { .legal dl { grid-template-columns: 1fr; gap: 2px; } .legal dd { margin-bottom: 8px; } }
.table-wrap { overflow-x: auto; margin: 6px 0 16px; border-radius: 12px; border: 1px solid var(--line); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
th { color: var(--ink); font-weight: 600; background: var(--chip); }
tr:last-child td { border-bottom: 0; }
.legal table { min-width: 560px; }
@media (max-width: 640px) { .legal > section { padding: 22px 18px; } }

/* ---------- footer ---------- */
.site-footer { padding: 56px 0 40px; background: var(--card-strong); border-top: 1px solid var(--card-border); -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.footer-brand p { margin-top: 12px; font-size: 14.5px; color: var(--ink-2); max-width: 26em; }
.site-footer h2 { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.lang-zh .site-footer h2 { text-transform: none; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14.5px; }
.site-footer ul a { color: var(--ink-2); text-decoration: none; }
.site-footer ul a:hover { color: var(--ink); text-decoration: underline; }
.footer-fine { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); display: grid; gap: 4px; }
.footer-fine p { margin: 0; }
.footer-fine a { color: var(--ink-2); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (prefers-reduced-transparency: reduce) {
  :root { --card: var(--card-strong); }
}
@media print {
  .sky, .site-header, .site-footer, .menu { display: none !important; }
  body { background: #fff; color: #000; }
  .legal > section, .card, .sheet { box-shadow: none; background: none; border: 1px solid #ccc; }
}

/* ---------- lost-key form ---------- */
.key-form { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.key-form input {
  flex: 1 1 260px; min-width: 0; min-height: 48px; padding: 0 18px; border-radius: 999px;
  font: 16px/1.2 var(--font); color: var(--ink); background: var(--card-strong);
  border: 1px solid var(--card-border); box-shadow: inset 0 1px 2px rgba(12, 27, 51, .08);
}
.key-form input::placeholder { color: var(--ink-3); }
.key-form input:focus { outline: 2px solid var(--link); outline-offset: 2px; }
.form-msg { min-height: 1.5em; margin: 14px 0 6px; font-size: 15px; color: var(--ink-2); }
.form-msg[data-kind="sent"] { color: var(--ok); }
.form-msg[data-kind="bad"], .form-msg[data-kind="wait"], .form-msg[data-kind="failed"] { color: var(--warn); }

/* ---------- thanks page: license key ---------- */
.key-box { margin: 0 0 26px; padding: 18px 20px; border-radius: 16px; background: var(--card-strong); border: 1px solid var(--card-border); }
.key-label { margin: 0 0 10px; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.lang-zh .key-label { letter-spacing: .04em; text-transform: none; font-size: 14px; }
.key-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.key-row + .key-row { margin-top: 10px; }
.key { min-width: 0; font: 600 clamp(15px, 2.6vw, 19px)/1.3 var(--mono); letter-spacing: .04em; color: var(--ink); user-select: all; overflow-wrap: anywhere; }
.key-status { margin: 12px 0 0; font-size: 14px; color: var(--ink-2); }