/* 选片 官网
   Tokens follow the app: canvas #131418, panel #1b1d21, mint #6bd4c2 for 入围, gold for 精选. */

:root {
  color-scheme: dark;
  --bg: #0d0e11;
  --bg-2: #131418;
  --panel: #1b1d21;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --text: #ecebe6;
  --muted: #9b9da3;
  --faint: #66696f;
  --mint: #6bd4c2;
  --gold: #f4cd57;

  --paper: #efede7;
  --ink: #17181b;
  --ink-2: #5d5f63;

  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --gutter: clamp(16px, 4vw, 40px);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: rgba(107, 212, 194, .3); }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: calc(var(--max) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }

kbd {
  display: inline-grid; place-items: center;
  min-width: 1.7em; height: 1.7em; padding: 0 .4em;
  font: 500 .78em/1 var(--mono);
  color: var(--text);
  background: linear-gradient(#26282d, #1d1f23);
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 6px;
  vertical-align: .08em;
}

/* ---------- type ---------- */
.display {
  font: 400 clamp(46px, 8.4vw, 112px)/1.08 var(--serif);
  letter-spacing: .01em;
}
.display-2 { font: 400 clamp(36px, 5.4vw, 72px)/1.14 var(--serif); letter-spacing: .01em; }
.h3-big { font: 400 clamp(28px, 3.4vw, 42px)/1.25 var(--serif); }
.eyebrow {
  font: 500 13px/1 var(--sans);
  letter-spacing: .14em;
  color: var(--mint);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--muted); max-width: 30em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 26px;
  border-radius: 999px;
  background: var(--mint); color: #0b1514;
  font-weight: 600; font-size: 16px; letter-spacing: .02em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s;
  box-shadow: 0 0 0 0 rgba(107, 212, 194, 0);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 40px -8px rgba(107, 212, 194, .55); }
.btn .ico { width: 18px; height: 18px; margin-top: -2px; }
.btn-small { height: 36px; padding: 0 18px; font-size: 14px; }
.btn-light { background: var(--text); color: var(--ink); }
.btn-light:hover { box-shadow: 0 10px 40px -8px rgba(236, 235, 230, .4); }
.meta { font-size: 13px; color: var(--faint); letter-spacing: .04em; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 14, 17, .72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav { transition: border-color .3s, background .4s, color .4s; }
.nav.on-light { background: rgba(239, 237, 231, .78); color: var(--ink); border-bottom-color: rgba(0, 0, 0, .08); }
.nav.on-light .nav-links { color: var(--ink-2); }
.nav.on-light .nav-links a:hover { color: var(--ink); }
.nav-inner { display: flex; align-items: center; height: 64px; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 500 18px/1 var(--serif); letter-spacing: .08em; }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero { padding: clamp(72px, 12vw, 150px) 0 0; overflow: hidden; }
.hero .display { margin-bottom: clamp(36px, 5vw, 56px); }
.hero-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.cta { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.hero-stage { margin-top: clamp(64px, 9vw, 110px); position: relative; }
.hero-stage::before {
  content: ""; position: absolute; inset: -10% -20% auto; height: 70%;
  background: radial-gradient(50% 60% at 50% 40%, rgba(107, 212, 194, .10), transparent 70%);
  pointer-events: none;
}
.hero-stage .scaler { margin-bottom: -2px; }
.hero-stage .app { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.hero::after {
  content: ""; display: block; height: 1px; background: var(--line);
}

/* ---------- scaler (fixed-size mockups scaled to fit) ---------- */
.scaler { position: relative; width: 100%; }
.scaler > * { transform-origin: 0 0; position: absolute; top: 0; left: 0; }

/* ---------- app mock ---------- */
.app {
  width: 1180px;
  background: var(--bg-2);
  border-radius: 14px;
  overflow: hidden;
  font: 400 13px/1.4 var(--sans);
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .09), 0 50px 120px -30px rgba(0, 0, 0, .8);
  position: relative;
  user-select: none;
}
.app svg { width: 15px; height: 15px; flex: none; }
.titlebar { height: 30px; display: flex; align-items: center; gap: 8px; padding: 0 13px; background: #1e2024; position: relative; }
.titlebar i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.titlebar i:nth-child(2) { background: #febc2e; }
.titlebar i:nth-child(3) { background: #28c840; }
.titlebar span { position: absolute; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--muted); font-weight: 600; pointer-events: none; }
.app-toolbar { display: flex; align-items: center; gap: 11px; padding: 12px 18px; background: var(--panel); border-bottom: 1px solid var(--line); }
.app-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; background: rgba(107, 212, 194, .12); color: var(--mint); }
.app-icon svg { width: 20px; height: 20px; }
.app-title { display: flex; flex-direction: column; gap: 3px; margin-right: auto; }
.app-title b { font-size: 16px; font-weight: 600; }
.app-title small { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.app-btn { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; border-radius: 6px; background: rgba(255, 255, 255, .1); font-size: 13px; box-shadow: inset 0 .5px 0 rgba(255,255,255,.12); white-space: nowrap; }
.app-btn.sm { height: 22px; font-size: 12px; padding: 0 9px; opacity: .45; transition: opacity .3s, background .3s; }
.app-btn.sm.ready { opacity: 1; background: rgba(255, 255, 255, .16); }
.grow { flex: 1; }
.lib { background: var(--panel); position: relative; }
.lib-head { display: flex; align-items: center; gap: 10px; padding: 12px 12px 9px; font-size: 11px; color: var(--muted); }
.lib-head b { font-size: 13px; color: var(--text); }
.num { font-variant-numeric: tabular-nums; }
.sep { width: 1px; height: 14px; background: var(--line-2); }
.filters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; padding: 0 12px 12px; border-bottom: 1px solid var(--line); }
.filters span { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 7px 0; border-radius: 6px; background: rgba(255, 255, 255, .05); font-size: 11px; font-weight: 500; }
.filters b { font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; }
.filters .on { background: rgba(107, 212, 194, .14); }
.filters .on b { color: var(--mint); }
.grid { padding: 0 12px 6px; background: var(--bg-2); position: relative; }
.group-h { padding: 9px 3px 7px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 600; color: #63e6d0; }
.group-h:first-child { border-top: 0; }
.group-h em { font-style: normal; margin-left: 22px; }
.row { display: flex; gap: 8px; padding-bottom: 8px; }
.th { position: relative; width: 178px; padding: 2px 2px 3px; border-radius: 6px; transition: background .15s, box-shadow .15s; }
.th img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.th figcaption { font: 500 10px/1 var(--sans); color: var(--muted); text-align: center; padding-top: 5px; }
.th.selected { background: rgba(10, 132, 255, .2); box-shadow: inset 0 0 0 2px #0a84ff; }
.badge { position: absolute; top: 6px; right: 6px; width: 24px; height: 24px; border-radius: 12px; background: rgba(0, 0, 0, .7); display: grid; place-items: center; }
.badge svg { width: 15px; height: 15px; }
.badge.mint { color: var(--mint); }
.badge.gold { color: var(--gold); }
.lib-foot { padding: 10px 12px; font-size: 11px; color: var(--muted); border-top: 1px solid var(--line); }
.marquee { position: absolute; z-index: 6; border: 1px solid #0a84ff; background: rgba(10, 132, 255, .2); display: none; pointer-events: none; }
.cursor { position: absolute; z-index: 22; width: 18px; height: 22px; pointer-events: none; opacity: 0; filter: drop-shadow(0 2px 3px rgba(0,0,0,.5)); }

/* hero storyboard layers */
.layer {
  position: absolute; inset: 30px 0 0; z-index: 3;
  opacity: 0; visibility: hidden; transform: scale(.985);
  transition: opacity .45s ease, transform .55s cubic-bezier(.2, .7, .2, 1), visibility 0s .55s;
  display: flex; flex-direction: column;
}
.layer.show { opacity: 1; visibility: visible; transform: none; transition: opacity .45s ease, transform .55s cubic-bezier(.2, .7, .2, 1), visibility 0s; }
.hero-compare { background: var(--bg-2); }
.cmp-head { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-bottom: 1px solid var(--line); }
.cmp-head b { display: block; font-size: 17px; font-weight: 600; }
.cmp-head small { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.cmp-head .hint { font-size: 11px; color: var(--muted); margin-right: 4px; }
.hc-cards { gap: 12px; padding: 12px 14px; }
.hc-cards .card { transition: opacity .35s, transform .35s, box-shadow .2s; }
.hc-cards .card.leaving { opacity: 0; transform: scale(.94); }
.hc-cards .card.gone { display: none; }
.hc-cards .ph img { aspect-ratio: 16 / 10; }
.hc-cards .cf { height: 36px; }
.marks i { transition: color .2s, background .2s; }

.hero-detail { background: #000; z-index: 4; }
.hd-bar { display: flex; align-items: center; gap: 12px; padding: 12px 13px; background: var(--panel); }
.hd-bar b { font-size: 15px; font-weight: 600; }
.hd-bar .pos { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.hd-notes { display: flex; align-items: center; gap: 12px; height: 38px; padding: 0 14px; background: #1f1f1f; font-size: 12px; color: var(--muted); }
.hd-notes .app-btn { height: 24px; font-size: 12px; }
#hd-status.placing { color: var(--mint); }
.hd-canvas { flex: 1; position: relative; min-height: 0; }
.hd-stage { position: absolute; top: 24px; bottom: 24px; left: 50%; transform: translateX(-50%); aspect-ratio: 3 / 2; }
.hd-stage img { width: 100%; height: 100%; object-fit: cover; }
.hd-stage .pin { opacity: 0; transform: translate(-50%, -50%) scale(.4); transition: opacity .2s, transform .35s cubic-bezier(.3, 1.6, .5, 1), background .3s; border: 1px solid rgba(0,0,0,.6); }
.hd-stage .pin.show { opacity: 1; transform: translate(-50%, -50%); }
.hd-stage .pin.sel { background: #ffd60a; }
.hd-editor {
  position: absolute; width: 300px; padding: 12px; border-radius: 11px;
  background: #292929; box-shadow: 0 0 0 1px rgba(255, 255, 255, .15), 0 4px 24px rgba(0, 0, 0, .55);
  opacity: 0; transform: translateY(6px); transition: opacity .25s, transform .25s; pointer-events: none;
}
.hd-editor.show { opacity: 1; transform: none; }
.hd-editor b { font-size: 15px; }
.hd-text { height: 92px; margin: 8px 0; padding: 7px 8px; border-radius: 6px; background: rgba(0, 0, 0, .18); font-size: 13px; line-height: 1.5; box-shadow: inset 0 0 0 1px rgba(10, 132, 255, .55); }
.caret { display: inline-block; width: 1px; height: 15px; margin-left: 1px; vertical-align: -3px; background: #fff; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hd-actions { display: flex; justify-content: flex-end; gap: 8px; }
.app-btn.primary { background: #0a84ff; color: #fff; }

.hero-share { background: rgba(0, 0, 0, .5); z-index: 5; align-items: center; justify-content: center; }
.sheet {
  width: 560px; display: flex; flex-direction: column; gap: 12px; padding: 22px; border-radius: 12px;
  background: #262628; box-shadow: 0 0 0 1px rgba(255, 255, 255, .12), 0 30px 80px rgba(0, 0, 0, .6);
  transform: translateY(14px) scale(.98); transition: transform .5s cubic-bezier(.2, .7, .2, 1);
}
.hero-share.show .sheet { transform: none; }
.sh-title { font-size: 21px; font-weight: 700; }
.sh-desc { font-size: 13px; color: var(--muted); }
.sh-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.sh-row .app-btn, .sh-foot .app-btn, .sh-link .app-btn { height: 24px; font-size: 12px; }
.sh-list { padding: 4px 0; border-radius: 8px; background: #1d1d1f; box-shadow: inset 0 0 0 1px var(--line); }
.sh-list li { display: flex; align-items: center; gap: 10px; padding: 5px 12px; font-size: 13px; }
.sh-list img { width: 58px; height: 36px; object-fit: cover; border-radius: 2px; }
.sh-list em { font-style: normal; color: var(--muted); }
.cb { position: relative; flex: none; width: 14px; height: 14px; border-radius: 3px; background: #0a84ff; }
.cb::after { content: ""; position: absolute; left: 4.5px; top: 1.5px; width: 3.5px; height: 7px; border: solid #fff; border-width: 0 1.7px 1.7px 0; transform: rotate(45deg); }
.sh-link { display: none; font-size: 12px; color: var(--muted); }
.sh-link.show { display: block; }
.sh-link code { font: 12px var(--mono); color: var(--text); }
.sh-link div { display: flex; gap: 8px; margin-top: 8px; }
.sh-foot { display: flex; align-items: center; gap: 8px; }
.sh-status { font-size: 13px; color: var(--muted); }
.spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .2); border-top-color: #fff; animation: spin .8s linear infinite; display: none; }
.spin.on { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.app-btn { transition: filter .15s, transform .15s; }
.app-btn.pressed { filter: brightness(1.5); transform: scale(.96); }
.keycast {
  position: absolute; left: 50%; bottom: 30px; z-index: 20;
  min-width: 64px; height: 60px; padding: 0 20px; display: grid; place-items: center;
  border-radius: 14px; background: rgba(24, 25, 28, .9); box-shadow: 0 0 0 1px rgba(255, 255, 255, .16), 0 16px 40px rgba(0, 0, 0, .5);
  color: #fff; font: 600 26px/1 var(--mono);
  opacity: 0; transform: translate(-50%, 10px); transition: opacity .2s, transform .25s;
}
.keycast.show { opacity: 1; transform: translate(-50%, 0); }
.keycast small { display: block; font: 500 11px var(--sans); color: var(--muted); margin-top: 4px; text-align: center; }
.click-ring { position: absolute; z-index: 21; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .85); opacity: 0; pointer-events: none; }
.click-ring.go { animation: ring .45s ease-out; }
@keyframes ring { from { opacity: .9; transform: scale(.35); } to { opacity: 0; transform: scale(1.3); } }

/* the recipient's browser, drawn after ShareService/public/viewer.css */
.hero-web { inset: 0; z-index: 8; background: #10141a; color: #eff3f8; border-radius: 14px; overflow: hidden; }
.web-chrome { height: 40px; flex: none; display: flex; align-items: center; gap: 8px; padding: 0 14px; background: #2a2b2e; border-bottom: 1px solid #000; }
.web-chrome > i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.web-chrome > i:nth-child(2) { background: #febc2e; }
.web-chrome > i:nth-child(3) { background: #28c840; }
.web-url { margin: 0 auto; width: 520px; height: 26px; display: flex; align-items: center; justify-content: center; gap: 6px; border-radius: 7px; background: #1c1d20; color: #c9cbd0; font-size: 12px; }
.web-url svg { width: 12px; height: 12px; color: #8e9096; }
.web-url .caret { height: 13px; }
.web-page { flex: 1; min-height: 0; display: flex; flex-direction: column; font: 400 13px/1.45 system-ui, var(--sans); }
.web-page.blank > * { visibility: hidden; }
.wv-head { display: flex; flex-direction: column; gap: 3px; padding: 18px 40px 16px; border-bottom: 1px solid #303a46; }
.wv-eyebrow { color: #70dcc4; font-size: 11px; letter-spacing: .08em; }
.wv-head b { font-size: 24px; font-weight: 700; }
.wv-head small { color: #aab6c4; font-size: 13px; }
.wv-main { flex: 1; min-height: 0; display: grid; grid-template-columns: 200px minmax(0, 1fr) 280px; gap: 16px; padding: 18px 30px 22px; transition: opacity .4s; }
.web-page.loading .wv-main { opacity: 0; }
.wv-nav, .wv-panel, .wv-aside { min-width: 0; background: #19212b; border: 1px solid #303a46; border-radius: 12px; padding: 12px; }
.wv-nav { display: grid; gap: 7px; align-content: start; }
.wv-thumb { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 1px 8px; align-items: center; padding: 5px; border-radius: 8px; background: #222d3a; border: 1px solid transparent; }
.wv-thumb img { grid-row: span 2; width: 40px; height: 34px; object-fit: cover; background: #111820; border-radius: 4px; }
.wv-thumb span { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wv-thumb small { color: #aab6c4; font-size: 11px; }
.wv-thumb.cur { border-color: #70dcc4; }
.wv-panel { display: flex; flex-direction: column; }
.wv-name { font-weight: 600; font-size: 13px; margin-bottom: 10px; }
.wv-area { flex: 1; min-height: 0; display: grid; place-items: center; padding: 14px; background: #0c1117; border-radius: 8px; }
.wv-stage { position: relative; width: 100%; aspect-ratio: 3 / 2; }
.wv-stage img { width: 100%; height: 100%; object-fit: cover; }
.wv-stage .pin { display: none; border: 1px solid #243930; }
.wv-stage .pin.show { display: grid; }
.wv-stage .pin.sm.sel { background: #f1b85e; }
.wv-cap { color: #aab6c4; font-size: 12px; margin-top: 8px; }
.wv-aside .wv-note { display: flex; gap: 9px; align-items: flex-start; padding: 9px; border-radius: 8px; background: #222d3a; border: 1px solid #70dcc4; line-height: 1.5; }
.wv-aside .wv-note b { flex: none; min-width: 22px; height: 22px; display: grid; place-items: center; border-radius: 11px 11px 11px 3px; background: #f1b85e; color: #12201d; font-size: 11px; }
.wv-aside .wv-empty { color: #aab6c4; }

/* step bar above the hero window */
.hero-steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0 20px; margin: 0 0 26px; }
.hero-steps li { position: relative; padding-top: 14px; font-size: 13px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .4s; }
.hero-steps li span { font: 500 11px var(--mono); margin-right: 8px; transition: color .4s; }
.hero-steps li::before, .hero-steps li::after { content: ""; position: absolute; top: 0; left: 0; height: 2px; border-radius: 2px; }
.hero-steps li::before { right: 0; background: var(--line-2); }
.hero-steps li::after { width: 0; background: var(--mint); }
.hero-steps li.on { color: var(--text); }
.hero-steps li.on span { color: var(--mint); }
.hero-steps li.on::after { width: 100%; transition: width var(--dur, 4s) linear; }
.hero-steps li.done::after { width: 100%; opacity: .35; }

/* ---------- statement ---------- */
.statement { padding: clamp(110px, 16vw, 200px) 0; }
.big { font: 400 clamp(24px, 3.1vw, 40px)/1.6 var(--serif); max-width: 22em; }
.big.dim { color: var(--faint); margin-top: 1.1em; }
.big.dim::first-line { color: var(--muted); }

/* ---------- chapters ---------- */
.how { padding-bottom: clamp(60px, 10vw, 120px); }
.chapter {
  display: grid; grid-template-columns: minmax(0, 4.2fr) minmax(0, 7.8fr); gap: clamp(32px, 6vw, 96px);
  padding: clamp(56px, 8vw, 104px) 0; border-top: 1px solid var(--line); align-items: center;
}
.ch-text h2 { font: 400 clamp(30px, 3.6vw, 46px)/1.25 var(--serif); margin: 22px 0 22px; }
.ch-text > p { color: var(--muted); }
.ch-no { display: flex; align-items: baseline; gap: 14px; font-size: 14px; color: var(--muted); letter-spacing: .08em; }
.ch-no span { font: 500 13px/1 var(--mono); color: var(--mint); letter-spacing: 0; }
.facts { margin-top: 26px; border-top: 1px solid var(--line); }
.facts li { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--muted); display: flex; gap: 12px; }
.facts li::before { content: ""; flex: none; width: 5px; height: 5px; margin-top: .72em; border-radius: 50%; background: var(--mint); opacity: .7; }
.try { margin-top: 22px; font-size: 14px; color: var(--mint); }
.ch-visual { min-width: 0; }
.hint-touch { display: none; }
@media (hover: none) { .hint-kb { display: none; } .hint-touch { display: inline; } }

/* 01 groups */
.groups-vis { background: var(--bg-2); border-radius: 14px; padding: 6px 18px 18px; box-shadow: 0 0 0 1px var(--line); }
.gv-row + .gv-row { border-top: 1px solid var(--line); }
.gv-h { font-size: 12px; font-weight: 600; color: #63e6d0; padding: 14px 2px 10px; }
.gv-h em { font-style: normal; margin-left: 18px; opacity: .8; }
.gv-strip { display: flex; gap: 7px; }
.gv-strip img { flex: 1 1 0; min-width: 0; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 3px; }
.gv-strip:has(img:nth-child(6)) img { aspect-ratio: 1; }

/* 02 compare */
.app.compare { width: 1120px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 14px; }
.card { background: var(--panel); border-radius: 8px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .09); overflow: hidden; }
.card.focus { box-shadow: inset 0 0 0 1.5px var(--mint); }
.card .ph { position: relative; background: rgba(0, 0, 0, .26); }
.card .ph img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.zoom { position: absolute; top: 7px; right: 7px; padding: 7px; border-radius: 5px; background: rgba(0, 0, 0, .75); display: grid; }
.zoom svg { width: 12px; height: 12px; }
.cf { height: 40px; display: flex; align-items: center; gap: 4px; padding: 0 9px; font-size: 12px; font-weight: 500; }
.cf > span:first-child { margin-right: auto; }
.marks { display: flex; gap: 3px; }
.marks i { width: 26px; height: 24px; display: grid; place-items: center; border-radius: 5px; color: var(--muted); }
.marks i svg { width: 13px; height: 13px; }
.marks .on-u { color: var(--muted); background: rgba(255,255,255,.08); }
.marks .on-s { color: var(--mint); background: rgba(107, 212, 194, .15); }
.marks .on-f { color: var(--gold); background: rgba(244, 205, 87, .15); }
.out { display: inline-flex; align-items: center; gap: 4px; padding: 5px 7px; border-radius: 5px; background: rgba(0, 0, 0, .75); font-size: 12px; }
.out svg { width: 13px; height: 13px; }

/* 03 playground */
.playground { background: var(--bg-2); border-radius: 14px; padding: 18px; box-shadow: 0 0 0 1px var(--line); }
.play-filters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 16px; }
.play-filters span { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0; border-radius: 7px; background: rgba(255, 255, 255, .05); font-size: 12px; }
.play-filters b { font: 500 13px/1.3 var(--mono); color: var(--muted); transition: color .2s; }
.play-filters span:nth-child(3) b { color: var(--mint); }
.play-filters span:nth-child(4) b { color: var(--gold); }
.play-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.pf { position: relative; border-radius: 6px; padding: 3px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .09); transition: box-shadow .2s, transform .2s; }
.pf img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; }
.pf.active { box-shadow: inset 0 0 0 2px var(--mint); }
.pf .badge { opacity: 0; transform: scale(.6); transition: opacity .2s, transform .3s cubic-bezier(.3, 1.6, .5, 1); }
.pf .badge.mint, .pf .badge.gold { opacity: 1; transform: none; }
.keys { display: flex; gap: 12px; margin-top: 18px; justify-content: center; }
.key { display: flex; align-items: center; gap: 10px; padding: 8px 14px 8px 8px; border-radius: 10px; background: rgba(255, 255, 255, .04); font-size: 13px; color: var(--muted); transition: background .2s, color .2s; }
.key kbd { font-size: 15px; min-width: 34px; height: 34px; border-radius: 8px; transition: transform .1s, background .2s; }
.key:hover { background: rgba(255, 255, 255, .08); color: var(--text); }
.key.hit kbd { transform: translateY(2px); border-bottom-width: 1px; background: #2e3136; }
.key[data-key="1"].hit kbd { color: var(--mint); }
.key[data-key="2"].hit kbd { color: var(--gold); }

/* 04 eyes */
.eyes { background: var(--bg-2); border-radius: 14px; padding: clamp(18px, 3vw, 34px); box-shadow: 0 0 0 1px var(--line); }
.eyes svg { width: 100%; height: auto; overflow: visible; }
.eyes .lid { fill: rgba(255, 255, 255, .04); stroke: var(--text); stroke-width: 1.6; }
.eyes .iris { fill: none; stroke: var(--muted); stroke-width: 1.4; }
.eyes .pupil { fill: var(--text); }
.eyes .glint { fill: var(--bg-2); }
.eyes .closed { fill: none; stroke: var(--text); stroke-width: 1.8; stroke-linecap: round; }
.eyes .lash { stroke: var(--muted); stroke-width: 1.4; stroke-linecap: round; }
.eyes .axis { stroke: var(--faint); stroke-dasharray: 3 5; stroke-width: 1; }
.eyes .measure { stroke: var(--mint); stroke-width: 1.4; fill: none; }
.eyes .measure.warn { stroke: var(--gold); }
.eyes .cap { fill: var(--muted); font: 400 15px var(--sans); text-anchor: middle; letter-spacing: .1em; }
.eyes .ratio { fill: var(--mint); font: 500 13px var(--mono); }
.eyes .ratio.warn { fill: var(--gold); }
.eyes figcaption { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 99px; background: rgba(0, 0, 0, .8); color: #ffd60a; font-size: 12px; font-weight: 600; box-shadow: 0 0 0 1px rgba(255,255,255,.06); }
.chip svg { width: 14px; height: 14px; }

/* 05 notes */
.notes-vis { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.nv-photo { position: relative; border-radius: 6px; overflow: hidden; box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .9); }
.nv-photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.pin {
  position: absolute; transform: translate(-50%, -50%);
  min-width: 28px; height: 28px; padding: 0 5px; display: grid; place-items: center;
  border-radius: 14px 14px 14px 4px; background: var(--mint); color: #12201d;
  font: 700 14px/1 var(--sans); box-shadow: 0 2px 10px rgba(0, 0, 0, .55);
}
.nv-list { display: grid; gap: 10px; counter-reset: n; }
.nv-list li { display: flex; gap: 12px; padding: 13px 14px; border-radius: 9px; background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); font-size: 14px; line-height: 1.6; }
.nv-list li:first-child { box-shadow: inset 0 0 0 1px rgba(107, 212, 194, .5); }
.nv-list b { flex: none; min-width: 24px; height: 24px; display: grid; place-items: center; border-radius: 12px 12px 12px 4px; background: var(--mint); color: #12201d; font-size: 12px; }

/* ---------- paper section ---------- */
.paper { background: var(--paper); color: var(--ink); padding: clamp(96px, 13vw, 168px) 0; }
.paper .eyebrow { color: #1f8d7b; }
.two-head { margin-bottom: clamp(48px, 6vw, 72px); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); padding: 36px 0 0; border-top: 1px solid rgba(0, 0, 0, .14); }
.two h3 { font: 600 17px/1.4 var(--sans); margin-bottom: 12px; }
.two p { color: var(--ink-2); max-width: 26em; }
.share-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(40px, 8vw, 120px); align-items: center; margin-top: clamp(80px, 11vw, 140px); }
.share-text p { color: var(--ink-2); margin-top: 22px; max-width: 26em; }
.specs { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0 clamp(24px, 4vw, 52px); margin-top: 40px; padding-top: 26px; border-top: 1px solid rgba(0, 0, 0, .14); }
.specs dt { font: 400 clamp(30px, 3.4vw, 42px)/1.1 var(--serif); }
.specs dt small { font: 500 14px var(--mono); margin-left: 2px; color: var(--ink-2); }
.specs dd { font-size: 13px; color: var(--ink-2); margin-top: 8px; }

.phone-wrap { position: relative; }
.phone {
  width: 300px; height: 620px; border-radius: 48px; padding: 12px; background: #0b0c0e;
  box-shadow: 0 0 0 1.5px #2a2c30, 0 0 0 6px #d9d6cf, 0 60px 90px -30px rgba(0, 0, 0, .45), 0 30px 40px -30px rgba(0, 0, 0, .4);
  position: relative;
}
.ph-notch { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 90px; height: 26px; border-radius: 14px; background: #000; z-index: 2; }
.viewer { height: 100%; border-radius: 37px; overflow: hidden; background: #10141a; color: #eff3f8; font: 400 11px/1.45 system-ui, var(--sans); padding-top: 52px; }
.v-head { padding: 0 16px 12px; border-bottom: 1px solid #303a46; display: flex; flex-direction: column; gap: 2px; }
.v-eyebrow { color: #70dcc4; font-size: 9.5px; letter-spacing: .08em; }
.v-head b { font-size: 17px; }
.v-head small { color: #aab6c4; font-size: 10.5px; }
.v-thumbs { display: flex; gap: 6px; padding: 12px 12px 0; overflow: hidden; }
.v-thumbs span { flex: 0 0 104px; display: flex; align-items: center; gap: 6px; padding: 5px; border-radius: 7px; background: #222d3a; border: 1px solid transparent; }
.v-thumbs span.cur { border-color: #70dcc4; }
.v-thumbs img { width: 30px; height: 26px; object-fit: cover; border-radius: 3px; }
.v-thumbs em { font-style: normal; font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.v-panel { margin: 10px 12px 0; padding: 10px; border-radius: 10px; background: #19212b; border: 1px solid #303a46; }
.v-name { font-weight: 600; font-size: 11px; margin-bottom: 8px; }
.v-stage { position: relative; border-radius: 5px; overflow: hidden; }
.v-stage img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.v-cap { color: #aab6c4; font-size: 9.5px; margin-top: 7px; }
.pin.sm { min-width: 19px; height: 19px; font-size: 10px; border-radius: 10px 10px 10px 3px; background: #70dcc4; }
.pin.sm.sel { background: #f1b85e; }
.v-note { display: flex; gap: 7px; padding: 7px; border-radius: 6px; background: #222d3a; border: 1px solid transparent; margin-top: 6px; }
.v-note.sel { border-color: #70dcc4; }
.v-note b { flex: none; min-width: 17px; height: 17px; display: grid; place-items: center; border-radius: 9px 9px 9px 3px; background: #70dcc4; color: #12201d; font-size: 9.5px; }

/* ---------- privacy ---------- */
.privacy { padding: clamp(110px, 14vw, 180px) 0 clamp(80px, 10vw, 130px); }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); margin-top: clamp(56px, 7vw, 88px); }
.pillars > div { border-top: 1px solid var(--line-2); padding-top: 26px; }
.pv { font: 400 clamp(40px, 4.6vw, 60px)/1 var(--serif); margin-bottom: 22px; }
.pillars p:not(.pv) { color: var(--muted); font-size: 16px; max-width: 20em; }
.aside-note { margin-top: clamp(48px, 6vw, 72px); font-size: 15px; color: var(--faint); }

/* ---------- shortcuts ---------- */
.keys-sec { padding: clamp(80px, 10vw, 120px) 0; border-top: 1px solid var(--line); }
.shortcuts { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 0 48px; margin-top: 44px; }
.shortcuts > div { display: flex; align-items: center; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.shortcuts dt { flex: none; min-width: 104px; display: flex; gap: 5px; align-items: center; }
.shortcuts kbd { font-size: 13px; height: 30px; min-width: 30px; }
.shortcuts dd { color: var(--muted); font-size: 15px; }
.gesture { font-size: 12px; padding: 5px 10px; border-radius: 99px; border: 1px dashed var(--line-2); color: var(--text); line-height: 1; }

/* ---------- faq ---------- */
.faq { padding: clamp(80px, 10vw, 120px) 0; border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(28px, 6vw, 96px); }
.qa details { border-bottom: 1px solid var(--line); }
.qa details:first-child { border-top: 1px solid var(--line); }
.qa summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative; font-size: 17px; font-weight: 500; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after, .qa summary::before { content: ""; position: absolute; right: 6px; top: 50%; width: 13px; height: 1.5px; background: var(--muted); transition: transform .3s; }
.qa summary::before { transform: rotate(90deg); }
.qa details[open] summary::before { transform: rotate(0); }
.qa details p { padding: 0 40px 24px 0; color: var(--muted); font-size: 16px; }

/* ---------- final ---------- */
.final { padding: clamp(120px, 16vw, 220px) 0; text-align: center; position: relative; overflow: hidden; }
.final::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(var(--bg), rgba(13,14,17,.6) 40%, var(--bg)),
    url("assets/photos/sea-3.jpg") center 60% / cover no-repeat;
  opacity: .8; pointer-events: none;
}
.final .wrap { position: relative; }
.final .cta { align-items: center; margin-top: 56px; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--faint); }
.foot .brand { font-size: 15px; color: var(--muted); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .chapter { grid-template-columns: 1fr; gap: 40px; }
  .ch-text { max-width: 34em; }
  .share-row { grid-template-columns: 1fr; justify-items: center; }
  .share-text { justify-self: stretch; }
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 32px; }
  .br-wide { display: none; }
  .two { grid-template-columns: 1fr; gap: 32px; }
  .pillars { grid-template-columns: 1fr; gap: 40px; }
  .specs { grid-template-columns: repeat(3, 1fr); }
  .notes-vis { grid-template-columns: 1fr; }
  .play-strip { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .keys { gap: 8px; }
  .key { padding: 6px 10px 6px 6px; }
  .gv-strip:has(img:nth-child(6)) img { aspect-ratio: 3 / 4; }
  .hero-steps { display: flex; gap: 10px; }
  .hero-steps li { flex: 0 0 auto; font-size: 0; }
  .hero-steps li span { font-size: 11px; margin: 0; }
  .hero-steps li.on { flex: 1; font-size: 12px; }
  .hero-steps li.on span { margin-right: 8px; }
  .phone { transform: scale(.92); transform-origin: top center; margin-bottom: -48px; }
}