:root {
  color-scheme: light;
  --paper: #f6f0e4;
  --paper-2: #efe6d4;
  --sheet: #fffaf0;
  --ink: #102b46;
  --ink-soft: #3d5068;
  --muted: #6b7484;
  --coral: #cc4432;
  --teal: #187caf;
  --plum: #6a3b86;
  --rule: rgba(16, 43, 70, .14);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, "Songti TC", serif;
  --pad: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); background: var(--paper); overflow-x: hidden;
  font: 400 17px/1.7 var(--sans); -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(rgba(16, 43, 70, .05) 1px, transparent 1.2px); background-size: 22px 22px;
}
a { color: var(--coral); text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; border-radius: 6px; }
[hidden] { display: none !important; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
.translation { color: var(--muted); font-size: 15px; }
.skip-link { position: absolute; top: -120px; left: 16px; z-index: 100; padding: 10px 18px; background: var(--ink); color: #fff; border-radius: 999px; }
.skip-link:focus { top: 12px; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 14px var(--pad); background: rgb(246 240 228 / .78); backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-color: var(--rule); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 19px/1 var(--serif); letter-spacing: -.01em; }
.brand img { border-radius: 8px; box-shadow: 0 2px 8px rgb(16 43 70 / .2); }
.nav nav { display: flex; gap: 6px 22px; flex-wrap: wrap; justify-content: flex-end; font-size: 14px; }
.nav nav a { color: var(--ink); text-decoration: none; padding: 6px 0; opacity: .8; transition: opacity .2s; }
.nav nav a:hover { opacity: 1; }
.nav nav a span { color: var(--muted); font-size: 12px; margin-left: 2px; }

/* Hero */
.hero {
  max-width: 1240px; margin: 0 auto; padding: clamp(40px, 7vw, 96px) var(--pad) clamp(40px, 6vw, 72px);
  display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center;
}
.eyebrow { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 22px; }
.eyebrow a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 3px; }
.eyebrow a:hover { border-color: var(--coral); color: var(--coral); }
.hero h1 { font: 600 clamp(44px, 6.2vw, 86px)/1 var(--sans); letter-spacing: -.045em; display: grid; }
.h1-italic { font-family: var(--serif); font-style: italic; font-weight: 500; letter-spacing: -.03em; color: var(--coral); }
.hero-zh { margin-top: 22px; font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; letter-spacing: .02em; }
.hero-text { margin-top: 14px; max-width: 34em; color: var(--ink-soft); }
.hero-text.translation { margin-top: 6px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button {
  display: inline-flex; flex-direction: column; justify-content: center; min-height: 58px; padding: 10px 26px; border-radius: 999px;
  background: var(--ink); color: #fff; text-decoration: none; font-weight: 650; line-height: 1.35; border: 1.5px solid var(--ink);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .2s;
}
.button span + span { font-size: 13px; font-weight: 450; opacity: .8; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgb(16 43 70 / .22); }
.button.ghost { background: transparent; color: var(--ink); }
.button.ghost:hover { background: var(--sheet); }
.button.disabled { background: var(--paper-2); border-color: var(--rule); color: var(--muted); cursor: default; transform: none; box-shadow: none; }
.release-status, .release-note { margin-top: 14px; font-size: 13px; color: var(--muted); }
.release-status span, .release-note span, .price-note span { display: block; }
.release-note { margin-top: 4px; }

.hero-stage { position: relative; min-height: clamp(520px, 52vw, 680px); display: grid; place-items: center; }
.blob { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .9; }
.blob-coral { width: 58%; aspect-ratio: 1; right: 2%; top: 4%; background: radial-gradient(circle at 35% 35%, #e8735f, var(--coral) 70%); mix-blend-mode: multiply; animation: drift 14s ease-in-out infinite; }
.blob-teal { width: 46%; aspect-ratio: 1; left: 4%; bottom: 6%; background: radial-gradient(circle at 40% 40%, #4aa3cf, var(--teal) 70%); mix-blend-mode: multiply; animation: drift 16s ease-in-out infinite reverse; opacity: .8; }
@keyframes drift { 50% { transform: translate(14px, -18px) scale(1.04); } }

.phone { position: relative; border-radius: 44px; padding: 10px; background: #0f1d2e; box-shadow: 0 50px 90px -30px rgb(16 43 70 / .55), 0 0 0 1px rgb(255 255 255 / .08) inset; }
.phone img { display: block; width: 100%; height: auto; border-radius: 34px; }
.phone-hero { width: min(300px, 64%); z-index: 2; transform: rotate(-3deg); animation: rise 1.2s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(40px) rotate(-3deg); } }

.sheet-card {
  position: absolute; z-index: 3; left: 0; top: 14%; width: clamp(150px, 15vw, 196px); padding: 12px 12px 14px; background: var(--sheet); border-radius: 14px;
  box-shadow: 0 30px 60px -20px rgb(16 43 70 / .45); transform: rotate(-8deg); animation: rise 1.2s .25s var(--ease) both;
}
.sheet-card p { font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.sheet { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; aspect-ratio: 1; }
.sheet i { background: #ece3d0; border-radius: 2px; position: relative; overflow: hidden; }
.sheet i::before, .sheet i::after { content: ""; position: absolute; inset: 0; opacity: 0; mix-blend-mode: multiply; }
.sheet i::before { background: var(--coral); }
.sheet i::after { background: var(--teal); }
.sheet i:nth-child(n+11):nth-child(-n+15)::before { animation: ink 7s var(--ease) infinite; }
.sheet i:nth-child(5n+3)::after { animation: ink 7s 1.4s var(--ease) infinite; }
.sheet i:nth-child(13)::after { background: var(--plum); mix-blend-mode: normal; }
.sheet i:nth-child(12)::before { animation-delay: .1s; } .sheet i:nth-child(13)::before { animation-delay: .2s; }
.sheet i:nth-child(14)::before { animation-delay: .3s; } .sheet i:nth-child(15)::before { animation-delay: .4s; }
@keyframes ink { 0%, 6% { opacity: 0; transform: scale(1.5); } 14%, 84% { opacity: .95; transform: none; } 96%, 100% { opacity: 0; } }

.stamp-badge {
  position: absolute; z-index: 4; right: 2%; bottom: 14%; width: clamp(110px, 11vw, 140px); aspect-ratio: 1; border-radius: 50%;
  display: grid; place-content: center; text-align: center; color: var(--coral); border: 3px solid var(--coral);
  background: rgb(255 250 240 / .92); box-shadow: 0 0 0 6px rgb(255 250 240 / .92), 0 0 0 7.5px var(--coral);
  font: 800 clamp(16px, 1.6vw, 20px)/1 var(--sans); letter-spacing: .12em; transform: rotate(-14deg);
  animation: stamp 7s 2.2s var(--ease) infinite both;
}
.stamp-badge small { display: block; margin-top: 6px; font-size: 11px; letter-spacing: .2em; font-weight: 700; }
@keyframes stamp { 0% { opacity: 0; transform: rotate(-14deg) scale(1.8); } 8%, 86% { opacity: 1; transform: rotate(-14deg) scale(1); } 96%, 100% { opacity: 0; transform: rotate(-14deg) scale(1); } }

/* Facts strip */
.facts { max-width: 1240px; margin: 0 auto; padding: 0 var(--pad); display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--rule); }
.facts li { padding: 26px 18px; display: grid; gap: 4px; border-left: 1px solid var(--rule); }
.facts li:first-child { border-left: 0; }
.facts strong { font: 500 clamp(36px, 4.4vw, 56px)/1 var(--serif); letter-spacing: -.03em; }
.facts li > span { font-size: 14px; color: var(--muted); }

/* Sections */
.section { max-width: 1240px; margin: 0 auto; padding: clamp(80px, 11vw, 140px) var(--pad) 0; }
.section-heading { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.kicker { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--coral); margin-bottom: 14px; }
.section h2 { font: 600 clamp(32px, 4.6vw, 58px)/1.12 var(--sans); letter-spacing: -.03em; }
.sub { margin-top: 10px; font: italic 400 clamp(19px, 2vw, 24px)/1.4 var(--serif); color: var(--ink-soft); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.steps li { background: var(--sheet); border-radius: 26px; padding: 28px; display: grid; gap: 10px; align-content: start; box-shadow: 0 1px 0 rgb(255 255 255 / .8) inset, 0 20px 40px -30px rgb(16 43 70 / .4); }
.steps h3 { font-size: 21px; line-height: 1.35; }
.steps h3 span { display: block; font: italic 400 17px var(--serif); color: var(--muted); }
.steps p { color: var(--ink-soft); }
.step-num { font: 500 14px var(--serif); color: var(--coral); margin-top: 6px; }
.mini { width: 132px; aspect-ratio: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; margin-bottom: 10px; }
.mini i { background: #ece3d0; border-radius: 2px; }
.mini[data-step="target"] i:nth-child(n+11):nth-child(-n+15) { background: var(--coral); }
.mini[data-step="target"] i:nth-child(5n+3) { background: var(--teal); }
.mini[data-step="target"] i:nth-child(13) { background: var(--plum); }
.mini.printing i:nth-child(n+11):nth-child(-n+15) { animation: fill-coral 5s var(--ease) infinite; }
.mini.printing i:nth-child(5n+3) { animation: fill-teal 5s var(--ease) infinite; }
.mini.printing i:nth-child(13) { animation: fill-plum 5s var(--ease) infinite; }
@keyframes fill-coral { 0%, 12% { background: #ece3d0; } 20%, 90% { background: var(--coral); } }
@keyframes fill-teal { 0%, 38% { background: #ece3d0; } 46%, 90% { background: var(--teal); } }
@keyframes fill-plum { 0%, 12% { background: #ece3d0; } 20%, 38% { background: var(--coral); } 46%, 90% { background: var(--plum); } }
.tools-row { display: flex; gap: 8px; height: 132px; align-items: center; margin-bottom: 10px; }
.tool { width: 46px; height: 46px; border-radius: 10px; display: grid; place-items: center; font-size: 22px; color: var(--ink); background: var(--paper); border: 1.5px solid var(--rule); }
.t-red { background: linear-gradient(var(--paper) 40%, var(--coral) 40% 60%, var(--paper) 60%); }
.t-blue { background: linear-gradient(90deg, var(--paper) 40%, var(--teal) 40% 60%, var(--paper) 60%); }
.t-empty { border-style: dashed; color: var(--muted); }
.tools-row .tool { animation: hop 4s var(--ease) infinite; }
.tools-row .tool:nth-child(2) { animation-delay: .25s; } .tools-row .tool:nth-child(3) { animation-delay: .5s; } .tools-row .tool:nth-child(4) { animation-delay: .75s; }
@keyframes hop { 0%, 30%, 100% { transform: none; } 12% { transform: translateY(-10px); } }

/* Features */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; padding: clamp(32px, 5vw, 64px) 0; }
.feature.reverse .feature-media { order: 2; }
.feature-media { position: relative; display: flex; justify-content: center; align-items: center; gap: 20px; padding: clamp(24px, 4vw, 48px); border-radius: 36px; background: var(--paper-2); overflow: hidden; }
.feature-media::before { content: ""; position: absolute; inset: auto -20% -40% auto; width: 70%; aspect-ratio: 1; border-radius: 50%; background: var(--coral); opacity: .16; }
.feature.reverse .feature-media::before { background: var(--teal); inset: -30% auto auto -20%; }
.feature-media .phone { width: min(250px, 48%); }
.feature-media:not(.duo) .phone { width: min(280px, 62%); }
.feature-media .phone.offset { transform: translateY(36px); }
.card-shot { width: min(230px, 44%); border-radius: 20px; overflow: hidden; box-shadow: 0 40px 70px -30px rgb(16 43 70 / .5); transform: rotate(3deg) translateY(24px); }
.card-shot img { display: block; width: 100%; height: auto; }
.feature-copy { display: grid; gap: 14px; max-width: 34em; }
.feature-copy h3 { font: 600 clamp(26px, 3vw, 38px)/1.2 var(--sans); letter-spacing: -.02em; }
.feature-copy p { color: var(--ink-soft); }
.feature-copy .translation { color: var(--muted); }

.marquee { margin: clamp(40px, 6vw, 72px) calc(-1 * var(--pad)) 0; overflow: hidden; border-block: 1px solid var(--rule); padding: 20px 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; gap: 48px; animation: marquee 80s linear infinite; }
.marquee span { white-space: nowrap; font-size: 20px; font-weight: 600; }
.marquee em { font: italic 400 16px var(--serif); color: var(--muted); margin-left: 6px; }
.marquee span::after { content: "✦"; color: var(--coral); margin-left: 48px; font-size: 12px; vertical-align: middle; }
@keyframes marquee { to { transform: translateX(-50%); } }

.mini-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); margin-top: clamp(48px, 6vw, 80px); }
.mini-features li { border-top: 2px solid var(--ink); padding-top: 18px; display: grid; gap: 8px; align-content: start; }
.mini-features h3 { font-size: 20px; }
.mini-features h3 span { font: italic 400 17px var(--serif); color: var(--muted); margin-left: 4px; }
.mini-features p { color: var(--ink-soft); }

/* Gallery */
.gallery-track { display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 10px var(--pad) 30px; margin: 0 calc(-1 * var(--pad)); scrollbar-width: thin; }
.gallery-track figure { flex: 0 0 auto; width: clamp(200px, 22vw, 260px); scroll-snap-align: center; display: grid; gap: 12px; }
.gallery-track img { width: 100%; height: auto; border-radius: 30px; border: 8px solid #0f1d2e; box-shadow: 0 30px 50px -30px rgb(16 43 70 / .5); }
.gallery-track figcaption { text-align: center; font-weight: 600; font-size: 15px; }
.gallery-track figcaption span { display: block; font: italic 400 15px var(--serif); color: var(--muted); }

/* Trailer */
.trailer { display: grid; grid-template-columns: 1fr auto; gap: clamp(32px, 6vw, 96px); align-items: center; }
.trailer-copy .translation { margin-top: 18px; }
.trailer-copy .translation span { display: block; }
.trailer-frame { width: min(340px, 80vw); border-radius: 34px; padding: 10px; background: #0f1d2e; box-shadow: 0 50px 90px -30px rgb(16 43 70 / .55); }
.trailer-frame video { display: block; width: 100%; aspect-ratio: 9 / 16; border-radius: 26px; background: #0f1d2e; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); }
.plan { border-radius: 30px; padding: clamp(28px, 4vw, 48px); background: var(--sheet); display: grid; gap: 18px; align-content: start; box-shadow: 0 20px 40px -30px rgb(16 43 70 / .4); }
.plan h3 { font-size: 22px; }
.plan h3 span { font: italic 400 18px var(--serif); color: var(--muted); margin-left: 4px; }
.plan-price { font: 500 clamp(44px, 5vw, 64px)/1 var(--serif); letter-spacing: -.03em; }
.plan-price small { font: 400 15px var(--sans); color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.plan ul { display: grid; gap: 12px; }
.plan li { padding-left: 26px; position: relative; color: var(--ink-soft); }
.plan li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border-radius: 3px; background: var(--teal); }
.plan li span { display: block; color: var(--muted); font-size: 14px; }
.plan-full { background: var(--ink); color: #fff; }
.plan-full h3 span, .plan-full .plan-price small, .plan-full li span, .plan-full .price-note { color: rgb(255 255 255 / .62); }
.plan-full li { color: rgb(255 255 255 / .9); }
.plan-full li::before { background: var(--coral); }
.price-note { font-size: 13px; }
.no-extras { margin-top: 24px; text-align: center; font-weight: 600; }
.no-extras span { display: block; font: italic 400 16px var(--serif); color: var(--muted); }

/* FAQ */
.faq-list { display: grid; gap: 12px; max-width: 900px; }
.faq-list details { background: var(--sheet); border-radius: 20px; padding: 0 24px; transition: box-shadow .3s; }
.faq-list details[open] { box-shadow: 0 20px 40px -30px rgb(16 43 70 / .45); }
.faq-list summary { cursor: pointer; list-style: none; padding: 22px 36px 22px 0; font-weight: 650; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { display: block; font: italic 400 16px var(--serif); color: var(--muted); }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 50%; translate: 0 -50%; font: 300 28px/1 var(--sans); color: var(--coral); transition: rotate .3s var(--ease); }
.faq-list details[open] summary::after { rotate: 45deg; }
.faq-list details > div { padding-bottom: 22px; color: var(--ink-soft); display: grid; gap: 10px; }

/* Support */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; padding-bottom: clamp(80px, 10vw, 120px); }
.split h2 { font-size: clamp(28px, 3.4vw, 42px); }
.feedback { display: grid; gap: 14px; justify-items: start; }
.feedback > p:not(.kicker):not(.sub) { color: var(--ink-soft); }
.feedback .translation { color: var(--muted) !important; }
.language-links { margin-top: 24px; border-top: 1px solid var(--rule); }
.language-links li { display: grid; grid-template-columns: 110px 1fr 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 15px; align-items: center; }
.language-links a { color: var(--ink); text-decoration: none; }
.language-links a:hover { color: var(--coral); text-decoration: underline; }

/* Footer */
.footer { background: var(--ink); color: #fff; padding: clamp(64px, 9vw, 120px) var(--pad) max(32px, env(safe-area-inset-bottom)); }
.footer-big { max-width: 1240px; margin: 0 auto; font: 600 clamp(40px, 7vw, 96px)/1.02 var(--sans); letter-spacing: -.04em; }
.footer-big em { font-family: var(--serif); font-weight: 400; color: #f08a77; }
.footer-row { max-width: 1240px; margin: clamp(48px, 7vw, 88px) auto 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid rgb(255 255 255 / .16); font-size: 14px; color: rgb(255 255 255 / .7); }
.footer a { color: #fff; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .nav nav a span { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-stage { min-height: 560px; }
  .steps, .mini-features { grid-template-columns: 1fr; }
  .feature, .trailer, .split, .plans { grid-template-columns: 1fr; }
  .feature.reverse .feature-media { order: 0; }
  .trailer-frame { justify-self: center; }
}
@media (max-width: 640px) {
  .nav { padding-block: 10px; }
  .nav nav { display: none; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .hero-stage { min-height: 470px; }
  .sheet-card { width: 128px; top: 6%; }
  .stamp-badge { width: 96px; font-size: 14px; }
  .button { width: 100%; }
  .feature-media { padding: 24px 16px 40px; }
  .language-links li { grid-template-columns: 1fr 1fr; }
  .language-links strong { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .sheet i:nth-child(n+11):nth-child(-n+15)::before, .sheet i:nth-child(5n+3)::after { opacity: .95; }
  .stamp-badge { opacity: 1; }
  .js .reveal { opacity: 1; transform: none; }
}