:root {
  --paper: #f6f2e9;
  --white: #fffdf8;
  --ink: #253c32;
  --green: #41614c;
  --muted: #646f65;
  --line: #dbded1;
  --rust: #a25e42;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, textarea, select { font: inherit; }
button, a { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:disabled { cursor: default; opacity: .46; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
p { line-height: 1.75; }
h1, h2, .demo-panel h3, .brief-card h3 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
h1 em, h2 em { font-weight: 400; color: var(--green); }
a, button, input, textarea, select, summary { outline-offset: 5px; }
:focus-visible { outline: 2px solid var(--rust); }
[hidden] { display: none !important; }
.wrap { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.section-space { padding-block: 88px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; line-height: 1.6; }
.eyebrow.small { font-size: 10px; }
.muted { color: var(--muted); }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; top: 12px; left: 12px; z-index: 10; background: white; padding: 12px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 50px; padding: 15px 22px; border: 1px solid transparent; border-radius: 8px; font-size: 14px; line-height: 1.45; text-align: left; transition: background .18s, transform .18s, box-shadow .18s; }
.button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 5px 16px #253c3214; }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover:not(:disabled) { background: var(--green); }
.button-outline { border-color: var(--line); background: var(--white); }
.full-width { width: 100%; }
.text-link { display: inline-flex; align-items: center; gap: 16px; border: 0; background: none; padding: 10px 0; font-size: 13px; font-weight: 600; line-height: 1.5; text-decoration: underline; text-underline-offset: 6px; text-decoration-color: #abb5a7; }
.text-link:hover { color: var(--rust); }
.site-header { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 23px; font-weight: 700; letter-spacing: -1px; white-space: nowrap; }
.brand img { object-fit: contain; }
.brand-dot { color: var(--rust); }
nav { display: flex; gap: 26px; font-size: 13px; }
nav a { padding-block: 12px; }
nav a:hover { color: var(--rust); }
.header-actions { display: flex; align-items: center; gap: 26px; }
.header-contact { display: flex; gap: 18px; font-size: 13px; padding: 10px 0; border-bottom: 1px solid var(--ink); }
.language-control { display: block; flex-shrink: 0; }
.language-control select { width: 112px; min-height: 42px; padding: 9px 10px; font-size: 12px; background: transparent; border-color: var(--line); cursor: pointer; }
.language-control option { color: var(--ink); background: var(--paper); }
.hero { display: grid; grid-template-columns: 1.06fr 1fr; gap: 64px; align-items: center; padding-block: 48px 78px; }
.hero-copy { padding-block: 8px; }
.hero .eyebrow { display: flex; align-items: center; gap: 10px; }
.little-sun { color: var(--rust); font-size: 25px; font-weight: 400; }
h1 { font-size: clamp(52px, 6.1vw, 82px); line-height: 1.05; letter-spacing: -3px; margin-top: 22px; }
h1 em { display: inline-block; }
.hero-description { max-width: 415px; margin-top: 26px; font-size: 17px; color: #5a665b; line-height: 1.75; }
.hero-actions { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; margin-top: 30px; }
.hero-audience { margin-top: 25px; color: var(--muted); font-size: 12px; }
.hero-art { height: 590px; position: relative; min-width: 0; }
.art-caption { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.art-caption > span:last-child { color: var(--rust); font-size: 17px; }
.hero-image { width: 100%; height: 530px; object-fit: cover; object-position: 50% 42%; border-radius: 100px 18px 18px 18px; }
.preview-card { position: absolute; bottom: 0; left: -24px; right: 24px; padding: 24px 26px; background: var(--white); border: 1px solid #e4e2d8; border-radius: 16px; box-shadow: 0 18px 44px #253c321a, 0 2px 6px #253c3205; transition: transform .2s, box-shadow .2s; }
.preview-card:hover { transform: translateY(-3px); box-shadow: 0 22px 48px #253c3226; }
.preview-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 11px; }
.preview-topline > span:last-child { color: var(--rust); font-size: 19px; }
.preview-card > strong { display: block; font: 400 29px/1.25 Georgia, serif; margin-top: 10px; }
.preview-route { display: flex; align-items: center; gap: 10px; margin-top: 22px; font-size: 12px; }
.preview-route > span:not(.preview-route-line) { display: flex; align-items: center; gap: 7px; }
.preview-route i { width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: var(--rust); }
.preview-route-line { flex: 1; min-width: 16px; border-top: 1px dashed #b9c1af; }
.preview-letter { display: flex; align-items: center; gap: 10px; margin-top: 21px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--green); font-size: 12px; line-height: 1.5; }
.preview-letter svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--rust); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 36px; }
.section-side-note { font-size: 12px; color: var(--muted); }
h2 { font-size: clamp(35px, 3.6vw, 48px); line-height: 1.2; letter-spacing: -1.3px; }
.demo-section { background: #e9eedf; border-block: 1px solid #dbe2ce; }
.demo-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.demo-intro { padding-top: 18px; }
.demo-intro > p { font-size: 15px; max-width: 350px; margin-top: 24px; }
.demo-intro > p.muted { font-size: 12px; margin-top: 16px; max-width: 340px; }
.demo-progress { list-style: none; padding: 0; margin: 28px 0 12px; display: grid; }
.demo-progress li { display: flex; align-items: center; gap: 15px; min-height: 48px; color: #6d7965; font-size: 13px; }
.demo-progress li span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid #b9c5ae; border-radius: 50%; font-size: 10px; flex-shrink: 0; }
.demo-progress li.is-current { color: var(--ink); font-weight: 600; }
.demo-progress li.is-current span { background: var(--ink); border-color: var(--ink); color: var(--white); }
.demo-progress li.is-done span { background: #d5ddc9; border-color: #8c9c80; color: var(--ink); }
.reset-demo { font-size: 12px; color: var(--muted); font-weight: 400; }
.demo-book { background: var(--white); border: 1px solid #cbd4bf; border-radius: 16px; box-shadow: 0 18px 44px #253c320a; overflow: hidden; min-width: 0; }
.book-topline, .book-bottomline { display: flex; justify-content: space-between; align-items: center; gap: 15px; font-size: 10px; letter-spacing: .06em; padding: 18px 28px; color: var(--muted); }
.book-topline { border-bottom: 1px solid #e6e8dc; }
.book-bottomline { border-top: 1px solid #e6e8dc; letter-spacing: 0; }
.book-bottomline > span:last-child { font-size: 20px; color: var(--rust); }
.demo-panel { padding: 28px; min-height: 535px; }
.demo-panel h3 { font-size: 35px; line-height: 1.15; letter-spacing: -.8px; margin: 12px 0 24px; outline: none; }
.demo-panel > p:not(.eyebrow):not(.answer-feedback) { font-size: 14px; line-height: 1.75; }
.mini-route { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; font-size: 12px; }
.mini-route > span:not(.mini-route-line) { display: flex; align-items: center; gap: 7px; }
.mini-route i { width: 6px; height: 6px; background: var(--rust); border-radius: 50%; display: inline-block; }
.mini-route-line { flex: 1; border-top: 1px dashed #a9b29c; }
.route-choices { margin: 24px 0; padding: 0; border: 0; display: grid; gap: 10px; }
.route-choices label { display: flex; align-items: center; gap: 12px; padding: 16px 14px; border: 1px solid #d8dfcd; border-radius: 9px; cursor: pointer; transition: background .15s, border-color .15s; }
.route-choices label:hover { background: #f5f6ee; }
.route-choices label:has(input:checked) { border-color: var(--green); background: #eef2e7; }
.route-choices input { accent-color: var(--green); margin: 0; flex-shrink: 0; width: 17px; height: 17px; min-height: 17px; }
.route-choices strong { font-size: 14px; display: block; font-weight: 600; }
.route-choices small { font-size: 12px; line-height: 1.6; display: block; margin-top: 4px; color: var(--muted); }
.route-choices b { font-weight: 400; margin-left: auto; }
.demo-panel .button { font-size: 13px; padding: 15px 17px; }
.fox-aside { display: flex; gap: 14px; align-items: center; padding: 6px 0 22px; }
.fox-aside img { object-fit: contain; flex-shrink: 0; }
.fox-aside p { font-family: Georgia, serif; font-style: italic; font-size: 16px; line-height: 1.6; }
.riddle-options { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.riddle-options button { flex: 1; min-height: 46px; background: transparent; border: 1px solid #cbd2be; border-radius: 8px; color: var(--ink); font-size: 14px; padding: 10px; }
.riddle-options button[aria-pressed=true] { background: var(--green); color: white; border-color: var(--green); }
.answer-feedback { min-height: 68px; font-size: 13px; color: var(--green); padding-top: 12px; line-height: 1.65; }
.back-button { background: none; border: 0; padding: 17px 0 4px; color: var(--muted); font-size: 12px; min-height: 44px; text-align: left; }
.back-button:hover { color: var(--rust); }
.memory-label { font-size: 13px; display: block; margin: 24px 0 9px; }
textarea, input, select { width: 100%; border: 1px solid #cbd2be; border-radius: 8px; background: var(--white); color: var(--ink); padding: 12px; font-size: 15px; line-height: 1.6; }
textarea { resize: vertical; min-height: 90px; max-height: 400px; }
textarea::placeholder, input::placeholder { color: #778071; opacity: 1; }
input, select { min-height: 48px; }
.demo-panel textarea { margin-bottom: 15px; }
.memory-recap { border-left: 2px solid var(--rust); padding: 14px 0 4px 18px; margin-top: 25px; }
.memory-recap > strong { font-family: Georgia, serif; font-size: 23px; line-height: 1.3; display: block; margin-top: 10px; font-weight: 400; }
.memory-recap > p:not(.eyebrow) { font-size: 14px; margin-top: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.memory-recap > span { display: block; font-size: 11px; color: var(--muted); margin-top: 12px; }
.memory-recap > p.recap-invitation { font-size: 12px; }
.story-intro { max-width: 570px; margin-top: 24px; font-size: 16px; color: var(--muted); }
.story-details { display: grid; grid-template-columns: repeat(3,1fr); gap: 42px; margin-top: 42px; }
.story-details article { border-top: 1px solid var(--line); padding-top: 24px; }
.detail-icon { display: grid; place-items: center; width: 48px; height: 48px; color: var(--rust); background: #ede6d9; border-radius: 14px; }
.detail-icon svg { width: 30px; height: 30px; }
.story-details h3 { font-size: 17px; font-weight: 600; margin-block: 22px 12px; line-height: 1.5; }
.story-details p { font-size: 14px; color: var(--muted); max-width: 310px; }
.case-section { border-top: 1px solid var(--line); }
.case-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 90px; align-items: center; }
.case-copy > p { font-size: 16px; color: #5a665b; max-width: 500px; margin-top: 24px; }
.case-copy > .text-link { margin-top: 16px; }
.travel-pages { position: relative; height: 390px; margin-right: 20px; }
.travel-page { position: absolute; width: 220px; height: 315px; padding: 10px 10px 0; background: var(--white); border: 1px solid #e2dece; border-radius: 4px; box-shadow: 0 10px 28px #26372e10; }
.travel-page img { width: 100%; height: 235px; object-fit: cover; object-position: center 55%; border-radius: 2px; }
.travel-page figcaption { padding: 12px 4px; }
.travel-page figcaption span { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.travel-page figcaption strong { font-family: Georgia, serif; display: block; font-size: 15px; font-weight: 400; margin-top: 5px; }
.page-back { transform: rotate(-9deg); left: 5px; top: 10px; }
.page-front { transform: rotate(7deg); right: 0; top: 50px; }
.pages-footnote { position: absolute; bottom: 0; left: 0; right: 0; text-align: center; color: var(--muted); font-size: 11px; }
.contact-section { background: var(--ink); color: var(--paper); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start; }
.contact-copy h2 { margin-top: 25px; }
.contact-copy h2 em { color: #d3dfbd; }
.contact-copy > p:not(.eyebrow) { font-size: 16px; color: #d5ddce; max-width: 380px; margin-top: 24px; }
.process { display: grid; gap: 16px; margin-top: 32px; }
.process p { font-size: 14px; display: flex; align-items: start; gap: 12px; }
.process span { border: 1px solid #7c8e74; display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; font-size: 11px; flex-shrink: 0; }
.direct-contact { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 400px; border-block: 1px solid #586e58; padding: 20px 0; margin-top: 36px; font-family: Georgia, serif; font-size: 26px; }
.direct-contact > span { font: 12px/1.6 'Segoe UI', Arial, sans-serif; color: #d5ddce; }
.email-contact { font-size: 14px; display: inline-block; padding-block: 16px; color: #d5ddce; overflow-wrap: anywhere; }
.brief-card { color: var(--ink); background: var(--paper); border-radius: 16px; padding: 32px; min-width: 0; }
.brief-card h3 { font-size: 31px; line-height: 1.25; letter-spacing: -.5px; margin: 0 0 28px; }
.brief-card label:not(.sr-only) { font-size: 13px; display: block; margin-bottom: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.brief-card input, .brief-card select, .brief-card textarea { margin-bottom: 20px; }
.brief-card textarea { display: block; }
.form-note { color: var(--muted); font-size: 12px; line-height: 1.65; margin-top: 14px; }
.addon-options { border: 0; padding: 0; margin: 0 0 22px; display: grid; gap: 4px; }
.addon-options legend { font-size: 13px; line-height: 1.6; padding: 0; margin-bottom: 10px; }
.brief-card label.addon-option { display: flex; align-items: center; gap: 10px; margin: 0; padding: 7px 0; min-height: 38px; font-size: 14px; line-height: 1.5; cursor: pointer; }
.brief-card .addon-option input { width: 18px; height: 18px; min-height: 18px; margin: 0; padding: 0; flex-shrink: 0; accent-color: var(--green); }
.brief-result > .eyebrow { margin-bottom: 12px; }
.brief-result > p:not(.eyebrow):not(.copy-status) { font-size: 14px; margin-bottom: 20px; }
.brief-result textarea { font-size: 14px; min-height: 270px; }
.brief-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.brief-actions .button { padding: 13px 15px; gap: 10px; font-size: 13px; }
.email-draft { font-size: 12px; margin-top: 13px; }
.copy-status { font-size: 12px; color: var(--green); min-height: 20px; line-height: 1.7; margin-top: 8px; }
.faq-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 90px; }
.faq-layout details { border-top: 1px solid var(--line); }
.faq-layout details:last-child { border-bottom: 1px solid var(--line); }
summary { font-size: 15px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; padding: 18px 0; }
summary::-webkit-details-marker { display: none; }
summary:after { content: '+'; font-weight: 400; font-size: 24px; color: var(--green); flex-shrink: 0; }
details[open] summary:after { content: '−'; }
details p { font-size: 14px; color: var(--muted); max-width: 510px; padding-bottom: 24px; padding-right: 20px; }
.site-footer { min-height: 115px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-footer p, .site-footer > a:last-child { font-size: 12px; color: var(--muted); }
.site-footer .brand { font-size: 21px; }
.noscript-note { padding: 24px; border: 1px solid var(--line); font-size: 14px; margin-top: 25px; }
html:lang(zh-CN) { font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif; }
html:lang(ja) { font-family: 'Yu Gothic', 'Hiragino Kaku Gothic ProN', sans-serif; }
html:lang(zh-CN) h1, html:lang(zh-CN) h2, html:lang(zh-CN) .demo-panel h3, html:lang(zh-CN) .brief-card h3 { font-family: 'Songti SC', SimSun, serif; letter-spacing: 0; line-height: 1.35; }
html:lang(ja) h1, html:lang(ja) h2, html:lang(ja) .demo-panel h3, html:lang(ja) .brief-card h3 { font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; letter-spacing: 0; line-height: 1.4; }
html:lang(zh-CN) h1 { font-size: clamp(38px, 4.5vw, 62px); }
html:lang(ja) h1 { font-size: clamp(35px, 4.2vw, 56px); }
html:lang(zh-CN) h2, html:lang(ja) h2 { font-size: clamp(28px, 3vw, 40px); }
html:lang(zh-CN) .fox-aside p, html:lang(ja) .fox-aside p { font-style: normal; }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 40px; }
  h1 { font-size: 66px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 17px; font-size: 13px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-art { height: 565px; }
  .hero-image { height: 510px; }
  .case-layout, .demo-layout, .contact-layout { gap: 48px; }
  .travel-page { width: 195px; }
  .travel-pages { margin-right: 0; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .brief-card { padding: 26px; }
  .header-actions { gap: 18px; }
  nav { gap: 20px; }
}
@media (max-width: 850px) {
  .wrap { width: calc(100% - 48px); }
  .site-header { gap: 15px; }
  .site-header nav { display: none; }
  .hero { gap: 32px; }
  h1 { font-size: 55px; letter-spacing: -2px; }
  .hero-description { font-size: 15px; }
  .hero .eyebrow { font-size: 10px; }
  .hero-art { height: 530px; }
  .hero-image { height: 470px; }
  .preview-card { padding: 20px; left: -15px; right: 12px; }
  .preview-card > strong { font-size: 26px; }
  .preview-route { font-size: 11px; }
  .preview-letter { font-size: 11px; }
  .demo-layout { grid-template-columns: .85fr 1fr; gap: 30px; }
  .demo-panel { padding: 24px 20px; }
  .demo-panel h3 { font-size: 30px; }
  .book-topline, .book-bottomline { padding-inline: 20px; }
  .demo-progress li { font-size: 12px; }
  .story-details { gap: 25px; }
  .case-layout { gap: 40px; }
  .travel-page { width: 165px; height: 280px; }
  .travel-page img { height: 200px; }
  .travel-pages { height: 350px; }
  .contact-layout { gap: 32px; }
  .direct-contact { flex-direction: column; align-items: start; gap: 6px; }
  .faq-layout { gap: 40px; }
}
@media (max-width: 650px) {
  .wrap { width: calc(100% - 40px); }
  .section-space { padding-block: 58px; }
  .site-header { min-height: 76px; gap: 12px; }
  .brand { font-size: 22px; gap: 6px; }
  .brand img { width: 34px; height: 34px; }
  .header-actions .header-contact { display: none; }
  .header-actions { gap: 0; }
  .language-control select { width: 108px; font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-block: 30px 54px; }
  .hero-copy { padding: 0; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .09em; }
  .little-sun { font-size: 23px; }
  h1 { font-size: clamp(48px, 12.7vw, 72px); margin-top: 18px; }
  .hero-description { font-size: 16px; margin-top: 22px; max-width: 420px; }
  .hero-actions { margin-top: 24px; gap: 16px; }
  .hero-actions .button { font-size: 13px; min-height: 50px; padding: 15px 18px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-audience { font-size: 12px; margin-top: 21px; }
  .hero-art { height: 410px; }
  .hero-image { height: 355px; border-radius: 75px 15px 15px 15px; object-position: 50% 42%; }
  .art-caption { font-size: 11px; margin-bottom: 10px; }
  .preview-card { left: 12px; right: 12px; padding: 20px; }
  .preview-card > strong { font-size: 28px; }
  .preview-route { font-size: 12px; margin-top: 18px; }
  .preview-letter { font-size: 12px; margin-top: 17px; padding-top: 14px; }
  .section-heading { margin-bottom: 28px; flex-direction: column; align-items: start; gap: 9px; }
  h2 { font-size: clamp(33px, 8.3vw, 45px); letter-spacing: -1px; }
  .demo-layout, .case-layout, .contact-layout, .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .demo-intro { padding-top: 0; }
  .demo-intro > p { max-width: 100%; margin-top: 20px; font-size: 15px; }
  .demo-intro > p.muted { max-width: 100%; font-size: 12px; margin-top: 12px; }
  .demo-progress { display: flex; gap: 13px; margin: 24px 0 0; }
  .demo-progress li { flex: 1; flex-direction: column; align-items: start; gap: 9px; font-size: 11px; line-height: 1.6; }
  .demo-progress li span { width: 26px; height: 26px; }
  .reset-demo { margin-top: 12px; }
  .demo-panel { padding: 24px 22px; min-height: 520px; }
  .demo-panel h3 { font-size: 34px; }
  .book-topline, .book-bottomline { padding-inline: 22px; font-size: 10px; }
  .fox-aside img { width: 74px; height: 74px; }
  .fox-aside p { font-size: 15px; }
  .story-intro { font-size: 15px; }
  .story-details { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .story-details article { display: grid; grid-template-columns: 44px 1fr; gap: 0 17px; padding-top: 22px; }
  .detail-icon { width: 44px; height: 44px; grid-row: 1/3; }
  .detail-icon svg { width: 28px; height: 28px; }
  .story-details h3 { font-size: 16px; margin: 0 0 9px; }
  .story-details p { grid-column: 2; max-width: 100%; font-size: 14px; }
  .case-copy > p { font-size: 15px; margin-top: 20px; }
  .travel-pages { height: 345px; max-width: 350px; width: 100%; margin: 5px auto 0; }
  .travel-page { width: 180px; height: 275px; }
  .travel-page img { height: 200px; }
  .page-back { left: 8px; }
  .page-front { right: 5px; top: 45px; }
  .contact-copy > p:not(.eyebrow) { max-width: 100%; font-size: 15px; }
  .process p { font-size: 14px; }
  .direct-contact { flex-direction: row; align-items: center; max-width: 100%; font-size: 25px; }
  .direct-contact > span { font-size: 11px; }
  .brief-card { padding: 26px 22px; }
  .brief-card h3 { font-size: 30px; }
  .brief-card input, .brief-card select, .brief-card textarea, .demo-panel textarea { font-size: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .brief-actions { flex-direction: column; align-items: stretch; }
  .brief-result textarea { font-size: 14px; min-height: 290px; }
  .faq-layout { gap: 28px; }
  summary { font-size: 14px; }
  details p { padding-right: 0; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding-block: 28px; }
  .site-footer p { grid-column: 1/-1; grid-row: 2; font-size: 12px; }
  .site-footer > a:last-child { font-size: 11px; }
  html:lang(zh-CN) h1 { font-size: clamp(34px, 10vw, 54px); }
  html:lang(ja) h1 { font-size: clamp(30px, 8.5vw, 43px); }
  html:lang(zh-CN) h2, html:lang(ja) h2 { font-size: clamp(28px, 7.5vw, 38px); }
  html:lang(zh-CN) .demo-panel h3, html:lang(ja) .demo-panel h3 { font-size: 29px; }
  html:lang(ja) .preview-card > strong, html:lang(zh-CN) .preview-card > strong { font-size: 25px; }
}
@media (max-width: 370px) {
  .wrap { width: calc(100% - 32px); }
  .brand { font-size: 20px; }
  .brand img { width: 30px; height: 30px; }
  .language-control select { width: 100px; }
  .hero-actions { gap: 8px 15px; }
  .preview-card { left: 8px; right: 8px; padding: 17px; }
  .preview-card > strong { font-size: 25px; }
  .preview-letter, .preview-route { font-size: 11px; }
  .demo-panel { padding-inline: 18px; }
  .mini-route { font-size: 11px; gap: 9px; }
  .direct-contact { flex-direction: column; align-items: start; }
  .brief-card { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *:before, *:after { transition: none !important; animation: none !important; }
}
/* English app screenshots, styled after the original travel application. */
.phone-frame { position: relative; display: block; padding: 8px; border: 2px solid #626355; border-radius: 38px; background: #30332d; box-shadow: 0 20px 42px #243c321f, inset 0 0 0 1px #aaa68f; }
.phone-frame:before { content: ''; position: absolute; z-index: 1; top: 13px; left: 50%; width: 58px; height: 13px; border-radius: 8px; transform: translateX(-50%); background: #30332d; }
.phone-frame img { display: block; width: 100%; height: auto; border-radius: 28px; }
.hero-product { height: auto; display: flex; flex-direction: column; align-items: center; padding: 5px 20px 0; isolation: isolate; }
.hero-product:before { content: ''; position: absolute; z-index: -1; inset: 95px -5px 100px; border-radius: 48% 52% 45% 55%; background: #e7e8d9; }
.hero-product .art-caption { display: block; text-align: center; font-size: 11px; margin-bottom: 16px; }
.hero-product .hero-phone { display: block; width: 270px; padding: 0; border: 0; background: transparent; border-radius: 38px; transition: transform .2s; }
.hero-phone:hover { transform: translateY(-4px); }
.hero-product > .text-link { margin-top: 18px; font-size: 12px; }
.screens-section { background: #efeee4; border-top: 1px solid var(--line); }
.screens-intro { max-width: 580px; margin-top: 22px; color: var(--muted); font-size: 16px; }
.screen-gallery { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 48px; margin-top: 44px; }
.screen-preview { min-width: 0; }
.screen-preview-trigger { display: block; padding: 0; border: 0; border-radius: 38px; background: transparent; color: inherit; width: 100%; }
.screen-preview .phone-frame { width: 270px; max-width: 100%; margin-inline: auto; transition: transform .2s, box-shadow .2s; }
.screen-preview-trigger:hover .phone-frame { transform: translateY(-4px); box-shadow: 0 24px 48px #243c322b; }
.screen-enlarge { display: flex; justify-content: space-between; align-items: center; gap: 16px; width: 270px; max-width: 100%; margin: 19px auto 0; font-size: 12px; line-height: 1.6; color: var(--green); text-decoration: underline; text-underline-offset: 5px; text-decoration-color: #b2baa7; }
.screen-preview figcaption { width: 270px; max-width: 100%; margin: 25px auto 0; }
.screen-preview h3 { font-size: 17px; line-height: 1.5; font-weight: 600; }
.screen-preview figcaption p { color: var(--muted); font-size: 14px; margin-top: 9px; }
.screen-sample-note { font-size: 12px; color: var(--muted); margin-top: 28px; }
.screen-lightbox { width: min(760px,calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: 20px 24px 14px; border: 1px solid #e2dece; border-radius: 20px; background: var(--paper); color: var(--ink); box-shadow: 0 30px 100px #14221bb3; }
.screen-lightbox::backdrop { background: #17251dcc; backdrop-filter: blur(5px); }
.has-screen-preview { overflow: hidden; }
.screen-lightbox-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.screen-lightbox .screen-lightbox-header h2 { font: 600 16px/1.5 'Segoe UI',Arial,sans-serif; letter-spacing: 0; }
.screen-close { flex-shrink: 0; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--ink); font-size: 26px; }
.screen-lightbox-image { display: flex; justify-content: center; padding: 12px 0 18px; }
.screen-lightbox-image img { display: block; width: auto; height: min(69dvh,844px); max-width: 100%; object-fit: contain; border-radius: 8px; box-shadow: 0 6px 22px #253c3217; }
.screen-lightbox-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 8px; }
.screen-arrows { display: flex; align-items: center; gap: 15px; font-size: 12px; color: var(--muted); }
.screen-arrows button { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--ink); font-size: 20px; }
.screen-lightbox-footer .text-link { font-size: 12px; }
@media(max-width:1100px) {
  .hero-product .hero-phone { width: 252px; }
  .screen-gallery { gap: 30px; }
}
@media(max-width:850px) {
  .hero-product .hero-phone { width: 230px; }
  .hero-product { padding-inline: 5px; }
  .screen-gallery { gap: 22px; }
  .screen-preview .phone-frame { padding: 6px; border-radius: 29px; }
  .screen-preview .phone-frame img { border-radius: 21px; }
  .screen-preview .phone-frame:before { width: 45px; height: 10px; top: 10px; }
  .screen-preview h3 { font-size: 16px; }
  .screen-preview figcaption p { font-size: 13px; }
}
@media(max-width:650px) {
  .hero-product { display: none; }
  .hero { gap: 0; padding-bottom: 42px; }
  .screens-intro { font-size: 15px; }
  .screen-gallery { display: flex; overflow-x: auto; gap: 24px; margin-top: 32px; padding: 0 5px 24px; scroll-snap-type: x mandatory; scroll-padding-inline: 5px; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #a4af96 transparent; }
  .screen-preview { flex: 0 0 min(285px,calc(100% - 24px)); scroll-snap-align: start; }
  .screen-preview .phone-frame { width: 260px; padding: 8px; border-radius: 36px; }
  .screen-preview .phone-frame img { border-radius: 26px; }
  .screen-preview .phone-frame:before { width: 56px; height: 12px; top: 12px; }
  .screen-enlarge, .screen-preview figcaption { width: 260px; }
  .screen-preview figcaption { margin-top: 23px; }
  .screen-preview h3 { font-size: 17px; }
  .screen-preview figcaption p { font-size: 14px; }
  .screen-sample-note { margin-top: 12px; }
  .screen-lightbox { width: calc(100% - 20px); max-height: calc(100dvh - 20px); padding: 13px 14px 10px; }
  .screen-lightbox-header { gap: 12px; }
  .screen-lightbox .screen-lightbox-header h2 { font-size: 14px; }
  .screen-close { width: 38px; height: 38px; }
  .screen-lightbox-image img { width: 100%; height: auto; max-width: 390px; }
  .screen-lightbox-header { position: sticky; top: 0; z-index: 2; background: var(--paper); }
  .screen-lightbox-footer { position: sticky; bottom: 0; z-index: 2; background: var(--paper); }
  .screen-lightbox-footer { gap: 12px; }
  .screen-arrows { gap: 9px; }
  .screen-arrows button { width: 38px; height: 38px; }
  .screen-lightbox-footer .text-link { font-size: 11px; gap: 9px; }
}