:root {
  --paper: #f5efe3;
  --paper-deep: #e9dfce;
  --ink: #171b2d;
  --ink-soft: #53586a;
  --line: rgba(23, 27, 45, 0.16);
  --orange: #ee6a3b;
  --orange-dark: #c94c25;
  --white: #fffaf1;
  --navy: #1c2238;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 30px;
  --shadow: 0 24px 70px rgba(64, 46, 29, 0.16);
  --wrap: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
::selection { background: var(--orange); color: white; }
.wrap { width: var(--wrap); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 15px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.topbar.is-scrolled {
  background: rgba(245, 239, 227, .88);
  border-color: var(--line);
  box-shadow: 0 12px 30px rgba(70, 50, 30, .08);
  backdrop-filter: blur(18px);
}
.topbar-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}
.wordmark { display: flex; align-items: center; gap: 12px; }
.wordmark img { width: 46px; height: 46px; border-radius: 13px; box-shadow: 0 8px 20px rgba(238, 106, 59, .22); }
.wordmark span { display: grid; line-height: 1.2; }
.wordmark b { font-size: 16px; letter-spacing: -.02em; }
.wordmark small { margin-top: 5px; color: var(--ink-soft); font-size: 11px; letter-spacing: .08em; }
.main-nav { justify-self: center; display: flex; align-items: center; gap: 30px; }
.main-nav a { position: relative; font-size: 14px; font-weight: 700; color: #393d4c; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--orange); transition: right .25s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.mini-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.mini-download svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.mini-download:hover { background: var(--ink); color: var(--white); transform: translateY(-2px); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--ink); padding: 0; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: white; margin: 5px auto; transition: transform .2s ease; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.hero { position: relative; padding-top: 82px; background: var(--paper); }
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -170px;
  top: 80px;
  border-radius: 50%;
  background: rgba(238, 106, 59, .13);
  filter: blur(2px);
}
.hero-layout {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 70px;
  padding-block: 70px 76px;
}
.hero-copy { position: relative; z-index: 2; padding-top: 20px; }
.overline { display: flex; align-items: center; gap: 16px; margin: 0 0 26px; font-size: 11px; letter-spacing: .17em; }
.overline span { padding: 7px 10px; border-radius: 999px; color: white; background: var(--orange); font-weight: 800; }
.overline b { font-size: 11px; font-weight: 800; }
.hero h1 { margin: 0; max-width: 680px; font-size: clamp(58px, 6.5vw, 92px); line-height: .98; letter-spacing: -.065em; font-weight: 950; text-wrap: balance; }
.hero h1 em { display: inline-block; margin-top: 10px; color: var(--orange); font-style: normal; }
.hero-text { max-width: 610px; margin: 30px 0 0; color: var(--ink-soft); font-size: 17px; line-height: 1.9; text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.primary-action {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 278px;
  min-height: 70px;
  padding: 10px 22px 10px 11px;
  border-radius: 999px;
  color: white;
  background: var(--ink);
  box-shadow: 0 15px 36px rgba(23, 27, 45, .2);
  transition: transform .22s ease, box-shadow .22s ease;
}
.primary-action:hover { transform: translateY(-3px) rotate(-.4deg); box-shadow: 0 22px 44px rgba(23, 27, 45, .25); }
.action-symbol { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--orange); font-size: 24px; font-weight: 900; }
.primary-action > span:last-child { display: grid; line-height: 1.25; }
.primary-action strong { font-size: 16px; }
.primary-action small { margin-top: 6px; color: rgba(255,255,255,.64); font-size: 11px; letter-spacing: .04em; }
.text-action { display: inline-flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--ink); padding: 4px 0 6px; font-size: 14px; font-weight: 800; }
.text-action span { font-size: 19px; transition: transform .2s ease; }
.text-action:hover span { transform: translate(3px, 3px); }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px; color: #676b78; font-size: 12px; }

.hero-stage { position: relative; min-height: 610px; display: grid; place-items: center; }
.hero-stage::before { content: ""; position: absolute; inset: 12% 2% 7% 14%; border-radius: 48% 52% 51% 49% / 56% 41% 59% 44%; background: var(--paper-deep); transform: rotate(-8deg); }
.hero-stage::after { content: ""; position: absolute; width: 350px; height: 350px; border: 1px solid rgba(23, 27, 45, .14); border-radius: 50%; right: -12px; bottom: 42px; }
.phone-shell { position: relative; z-index: 2; width: 276px; padding: 9px; border: 2px solid var(--ink); border-radius: 41px; background: var(--ink); box-shadow: var(--shadow); transform: none; }
.phone-shell img { display: block; width: 100%; height: auto; aspect-ratio: auto; border-radius: 31px; object-fit: contain; }
.phone-top { position: absolute; z-index: 3; top: 17px; left: 50%; width: 82px; height: 20px; transform: translateX(-50%); border-radius: 999px; background: var(--ink); }
.stamp { position: absolute; z-index: 3; top: 28px; right: 4px; display: grid; place-items: center; width: 116px; height: 116px; border: 2px solid var(--orange); border-radius: 50%; color: var(--orange); font-size: 13px; font-weight: 900; line-height: 1.25; letter-spacing: .09em; text-align: center; transform: rotate(11deg); }
.stamp::before, .stamp::after { content: ""; position: absolute; inset: 7px; border: 1px dashed currentColor; border-radius: inherit; }
.floating-note { position: absolute; z-index: 4; min-width: 145px; padding: 14px 17px; border: 1px solid var(--ink); background: var(--white); box-shadow: 7px 7px 0 var(--ink); }
.floating-note small { display: block; color: var(--ink-soft); font-size: 10px; letter-spacing: .08em; }
.floating-note b { display: block; margin-top: 4px; font-size: 17px; }
.note-version { left: 15px; top: 118px; transform: rotate(-5deg); }
.note-system { right: -8px; bottom: 83px; transform: rotate(3deg); }
.hero-scribble { position: absolute; z-index: 3; width: 180px; left: 6px; bottom: 77px; fill: none; stroke: var(--orange); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; transform: rotate(7deg); }

.query-strip { overflow: hidden; border-block: 1px solid var(--ink); background: var(--orange); color: white; }
.query-track { width: max-content; display: flex; align-items: center; gap: 28px; padding: 13px 0; animation: ticker 28s linear infinite; font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.query-track i { font-style: normal; font-size: 9px; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding: 116px 0; }
.section-index { margin: 0 0 20px; color: var(--orange-dark); font-size: 11px; font-weight: 900; letter-spacing: .17em; }
.section-heading h2, .gallery h2, .guide h2, .facts h2, .voices h2, .questions h2 { margin: 0; font-size: clamp(38px, 5vw, 66px); line-height: 1.05; letter-spacing: -.055em; text-wrap: balance; }
.split-heading { display: grid; grid-template-columns: .65fr 1.35fr; align-items: start; gap: 40px; margin-bottom: 54px; }
.split-heading > p { margin-top: 9px; }
.split-heading > div p { max-width: 580px; margin: 18px 0 0; color: var(--ink-soft); }
.need-list { border-top: 1px solid var(--ink); }
.need-row { display: grid; grid-template-columns: 70px 1fr 190px 40px; align-items: center; gap: 24px; min-height: 142px; border-bottom: 1px solid var(--line); transition: padding .25s ease, background .25s ease; }
.need-row:hover { padding-inline: 18px; background: rgba(255,255,255,.34); }
.need-no { font-family: Consolas, monospace; color: var(--orange); font-size: 13px; font-weight: 800; }
.need-row h3 { margin: 0; font-size: 24px; letter-spacing: -.035em; }
.need-row p { max-width: 650px; margin: 7px 0 0; color: var(--ink-soft); font-size: 14px; }
.need-row > b { justify-self: start; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 11px; }
.need-arrow { justify-self: end; font-size: 28px; transition: transform .2s ease; }
.need-row:hover .need-arrow { transform: translate(4px, -4px); color: var(--orange); }

.gallery { padding-bottom: 132px; color: white; background: var(--navy); overflow: hidden; }
.gallery-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 52px; }
.gallery .section-index { color: #ff986f; }
.gallery h2 { max-width: 720px; }
.gallery-controls { display: flex; gap: 10px; }
.gallery-controls button { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; color: white; background: transparent; cursor: pointer; transition: color .2s ease, background .2s ease; }
.gallery-controls button:hover { color: var(--ink); background: var(--white); }
.gallery-rail { display: flex; align-items: flex-start; gap: 22px; width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 0 max(24px, calc((100vw - 1180px) / 2)) 24px; }
.gallery-rail::-webkit-scrollbar { display: none; }
.screen-card { flex: 0 0 268px; width: 268px; margin: 0; scroll-snap-align: start; }
.screen-card button { position: relative; width: 100%; aspect-ratio: 460 / 820; padding: 0; overflow: hidden; border: 0; border-radius: 24px; background: #090d1a; cursor: zoom-in; }
.screen-card button::after { content: "+"; position: absolute; right: 14px; bottom: 14px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: var(--ink); background: var(--white); font-size: 21px; opacity: 0; transform: scale(.7); transition: opacity .2s ease, transform .2s ease; }
.screen-card button:hover::after { opacity: 1; transform: scale(1); }
.screen-card img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.screen-card button:hover img { transform: scale(1.025); }
.screen-card figcaption { display: flex; gap: 12px; padding-top: 15px; }
.screen-card figcaption > span { color: #ff986f; font-family: Consolas, monospace; font-size: 11px; }
.screen-card figcaption div { display: grid; }
.screen-card figcaption b { font-size: 15px; }
.screen-card figcaption small { margin-top: 3px; color: rgba(255,255,255,.48); font-size: 11px; }
.screen-card-featured { flex-basis: 268px; width: 268px; }

.guide { background: #fffaf1; }
.guide-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.guide-intro { position: sticky; top: 130px; }
.guide-intro > p:not(.section-index) { max-width: 430px; margin: 22px 0 0; color: var(--ink-soft); }
.outline-action { display: inline-flex; align-items: center; justify-content: space-between; min-width: 250px; margin-top: 30px; padding: 15px 18px; border: 1px solid var(--ink); border-radius: 8px; font-size: 13px; font-weight: 900; transition: color .2s ease, background .2s ease; }
.outline-action:hover { color: white; background: var(--ink); }
.outline-action span { font-size: 18px; }
.route-list { position: relative; margin: 0; padding: 0; list-style: none; }
.route-list::before { content: ""; position: absolute; left: 27px; top: 28px; bottom: 40px; width: 1px; background: var(--line); }
.route-list li { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 26px; padding: 0 0 64px; }
.route-list li > span { position: relative; z-index: 2; display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid var(--ink); border-radius: 50%; background: #fffaf1; font-family: Georgia, serif; font-size: 23px; }
.route-list li:nth-child(2) > span { color: white; border-color: var(--orange); background: var(--orange); }
.route-list h3 { margin: 5px 0 0; font-size: 25px; letter-spacing: -.035em; }
.route-list p { max-width: 580px; margin: 10px 0 0; color: var(--ink-soft); }

.facts { padding-block: 95px; background: var(--paper-deep); }
.facts-title { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.facts-title .section-index { flex: 0 0 auto; }
.facts h2 { max-width: 780px; font-size: clamp(36px, 4vw, 58px); }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.facts-grid > div { min-height: 132px; padding: 22px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.facts-grid dt { color: var(--ink-soft); font-size: 11px; letter-spacing: .08em; }
.facts-grid dd { margin: 20px 0 0; font-family: Georgia, "Times New Roman", serif; font-size: 27px; font-weight: 700; letter-spacing: -.03em; }

.voices { background: var(--paper); }
.voices-head { display: grid; grid-template-columns: 1.4fr .6fr; gap: 60px; align-items: end; margin-bottom: 52px; }
.voices-head > p { margin: 0 0 7px; color: var(--ink-soft); }
.voice-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.voice-card { grid-column: span 4; min-height: 270px; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.35); }
.voice-card:nth-child(2), .voice-card:nth-child(5) { transform: translateY(28px); }
.voice-card span { align-self: flex-start; padding: 5px 9px; border: 1px solid currentColor; border-radius: 999px; font-size: 10px; font-weight: 900; letter-spacing: .06em; }
.voice-card blockquote { margin: 31px 0 24px; font-family: Georgia, "Songti SC", serif; font-size: 19px; line-height: 1.75; }
.voice-card p { margin: auto 0 0; color: var(--ink-soft); font-size: 11px; letter-spacing: .05em; }
.voice-accent { border-color: var(--orange); color: white; background: var(--orange); }
.voice-accent p { color: rgba(255,255,255,.7); }
.voice-dark { color: white; background: var(--ink); }
.voice-dark p { color: rgba(255,255,255,.55); }

.questions { background: #fffaf1; }
.questions-layout { display: grid; grid-template-columns: .68fr 1.32fr; gap: 90px; align-items: start; }
.questions-intro { position: sticky; top: 130px; }
.questions-intro > p:not(.section-index) { max-width: 390px; margin: 20px 0 0; color: var(--ink-soft); }
.question-badge { width: fit-content; display: flex; align-items: center; gap: 14px; margin-top: 34px; padding: 13px 18px; border: 1px solid var(--line); border-radius: 999px; }
.question-badge b { color: var(--orange); font-family: Georgia, serif; font-size: 28px; }
.question-badge span { font-size: 11px; line-height: 1.35; }
.accordion { border-top: 1px solid var(--ink); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 26px 0; list-style: none; cursor: pointer; font-size: 17px; font-weight: 850; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; flex: 0 0 26px; width: 26px; height: 26px; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; top: 12px; left: 5px; width: 16px; height: 2px; background: var(--orange); transition: transform .2s ease; }
.accordion summary span::after { transform: rotate(90deg); }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion details p { max-width: 720px; margin: -5px 50px 25px 0; color: var(--ink-soft); font-size: 14px; line-height: 1.85; }

.final-download { padding: 40px 0 100px; background: #fffaf1; }
.final-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; overflow: hidden; padding: 54px 58px; border-radius: var(--radius-lg); color: white; background: var(--orange); }
.final-inner::after { content: "囧"; position: absolute; right: 250px; top: -80px; color: rgba(255,255,255,.09); font-size: 240px; font-weight: 950; line-height: 1; transform: rotate(-8deg); }
.final-inner p { margin: 0 0 11px; font-size: 10px; font-weight: 900; letter-spacing: .17em; }
.final-inner h2 { margin: 0; font-size: clamp(36px, 4.5vw, 64px); line-height: 1; letter-spacing: -.055em; }
.final-inner > div > span { display: block; margin-top: 15px; color: rgba(255,255,255,.7); font-size: 13px; }
.final-inner > a { position: relative; z-index: 2; flex: 0 0 auto; display: flex; align-items: center; gap: 22px; min-width: 250px; padding: 10px 10px 10px 24px; border-radius: 999px; color: white; background: var(--ink); font-size: 14px; font-weight: 900; }
.final-inner > a b { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; color: var(--ink); background: white; font-size: 22px; }

.site-footer { padding: 34px 0; color: rgba(255,255,255,.72); background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 26px 50px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 48px; height: 48px; border-radius: 14px; }
.footer-brand b { color: white; }
.footer-brand p { margin: 3px 0 0; font-size: 11px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; }
.site-footer nav a:hover { color: white; }
.copyright { grid-column: 1 / -1; margin: 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; letter-spacing: .06em; }

.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 40px; background: rgba(13,16,28,.92); backdrop-filter: blur(15px); }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: calc(100dvh - 70px); width: auto; border-radius: 25px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox-close { position: fixed; top: 22px; right: 24px; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: white; background: transparent; font-size: 28px; cursor: pointer; }
.download-toast { position: fixed; z-index: 90; left: 50%; bottom: 24px; transform: translate(-50%, 140%); padding: 11px 17px; border-radius: 999px; color: white; background: var(--ink); box-shadow: 0 15px 40px rgba(0,0,0,.2); font-size: 12px; transition: transform .25s ease; }
.download-toast.is-visible { transform: translate(-50%, 0); }

[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.8,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

:focus-visible { outline: 3px solid rgba(238, 106, 59, .5); outline-offset: 4px; }

@media (max-width: 980px) {
  :root { --wrap: min(100% - 36px, 760px); }
  .main-nav { gap: 18px; }
  .main-nav a:nth-child(3) { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 20px; padding-top: 70px; }
  .hero-copy { text-align: center; }
  .hero-text { margin-inline: auto; }
  .hero-actions, .hero-points, .overline { justify-content: center; }
  .hero-stage { min-height: 610px; }
  .phone-shell { width: 300px; }
  .stamp { right: 8%; }
  .note-version { left: 12%; }
  .note-system { right: 10%; }
  .split-heading { grid-template-columns: 1fr; gap: 8px; }
  .need-row { grid-template-columns: 54px 1fr 140px 32px; }
  .guide-layout, .questions-layout { grid-template-columns: 1fr; gap: 60px; }
  .guide-intro, .questions-intro { position: static; }
  .facts-title { display: block; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .voices-head { grid-template-columns: 1fr; gap: 18px; }
  .voice-card { grid-column: span 6; }
  .voice-card:nth-child(2), .voice-card:nth-child(5) { transform: none; }
}

@media (max-width: 720px) {
  :root { --wrap: min(100% - 28px, 640px); }
  .topbar-inner { min-height: 72px; grid-template-columns: 1fr auto; gap: 12px; }
  .wordmark img { width: 42px; height: 42px; }
  .wordmark b { font-size: 14px; }
  .mini-download { display: none; }
  .nav-toggle { display: block; }
  .main-nav { position: fixed; inset: 72px 14px auto; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,250,241,.98); box-shadow: var(--shadow); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
  .main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a, .main-nav a:nth-child(3) { display: block; padding: 13px 12px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .hero { padding-top: 72px; }
  .hero-layout { min-height: 0; padding-block: 54px 50px; }
  .hero h1 { font-size: clamp(48px, 15vw, 70px); }
  .hero-text { font-size: 15px; }
  .hero-actions { flex-direction: column; gap: 20px; }
  .primary-action { width: min(100%, 330px); justify-content: flex-start; }
  .hero-stage { min-height: 500px; }
  .phone-shell { width: 240px; border-radius: 37px; }
  .phone-shell img { border-radius: 27px; }
  .stamp { width: 88px; height: 88px; right: -2%; top: 36px; font-size: 10px; }
  .floating-note { min-width: 124px; padding: 11px 13px; }
  .floating-note b { font-size: 14px; }
  .note-version { left: 0; top: 112px; }
  .note-system { right: 0; bottom: 64px; }
  .hero-scribble { width: 130px; left: 2px; bottom: 36px; }
  .query-track { gap: 20px; }
  .section { padding: 82px 0; }
  .section-heading h2, .gallery h2, .guide h2, .facts h2, .voices h2, .questions h2 { font-size: 40px; }
  .need-row { grid-template-columns: 38px 1fr 30px; gap: 12px; padding: 24px 0; }
  .need-row > b { display: none; }
  .need-row h3 { font-size: 19px; }
  .need-row p { font-size: 13px; }
  .gallery-head { align-items: center; }
  .gallery-controls { display: none; }
  .gallery-rail { padding-inline: 14px; }
  .screen-card, .screen-card-featured { flex-basis: 235px; }
  .guide-layout { gap: 45px; }
  .route-list li { gap: 17px; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .facts-grid > div { min-height: 110px; padding: 17px; }
  .facts-grid dd { font-size: 20px; }
  .voice-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: none; }
  .voice-grid::-webkit-scrollbar { display: none; }
  .voice-card { flex: 0 0 min(82vw, 310px); min-height: 250px; scroll-snap-align: start; }
  .questions-layout { gap: 42px; }
  .question-badge { margin-top: 24px; }
  .accordion summary { font-size: 15px; padding: 22px 0; }
  .final-inner { align-items: flex-start; flex-direction: column; padding: 38px 26px; }
  .final-inner > a { min-width: min(100%, 280px); }
  .final-inner::after { right: -20px; top: 10px; font-size: 160px; }
  .footer-grid { grid-template-columns: 1fr; }
  .copyright { grid-column: 1; }
}

@media (max-width: 420px) {
  :root { --wrap: calc(100% - 24px); }
  .wordmark small { display: none; }
  .overline { gap: 9px; }
  .overline span, .overline b { font-size: 9px; }
  .hero h1 { font-size: 46px; }
  .hero-stage { min-height: 455px; }
  .phone-shell { width: 215px; }
  .floating-note { min-width: 106px; }
  .floating-note small { font-size: 8px; }
  .floating-note b { font-size: 12px; }
  .note-version { left: -3px; }
  .note-system { right: -2px; }
  .facts-grid { grid-template-columns: 1fr; }
  .final-inner > a { width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* Secondary pages */
.subpage { min-height: 100dvh; padding: 120px 0 70px; background: var(--paper); }
.subpage-card { max-width: 840px; margin: 0 auto; padding: 44px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.42); }
.subpage-back { display: inline-flex; margin-bottom: 34px; color: var(--orange-dark); font-size: 13px; font-weight: 900; }
.subpage h1 { margin: 0 0 25px; font-size: clamp(40px, 7vw, 68px); line-height: 1; letter-spacing: -.055em; }
.subpage h2 { margin: 34px 0 10px; font-size: 22px; }
.subpage p, .subpage li { color: var(--ink-soft); }
.subpage a:not(.subpage-back) { color: var(--orange-dark); text-decoration: underline; text-underline-offset: 3px; }
.not-found { display: grid; place-items: center; text-align: center; }
.not-found strong { color: var(--orange); font-family: Georgia, serif; font-size: clamp(100px, 20vw, 210px); line-height: .8; }
.not-found .primary-action { margin-top: 25px; color: white; text-decoration: none; }
@media (max-width: 600px) { .subpage-card { padding: 28px 20px; border-radius: 18px; } }