:root {
  --paper: #f8f6f1;
  --paper-deep: #eeebe4;
  --surface: #ffffff;
  --ink: #282924;
  --muted: #696a60;
  --accent: #ad5138;
  --accent-hover: #8f402c;
  --accent-soft: #f1e5db;
  --sage: #e5e9df;
  --green: #4b6451;
  --line: #deded4;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: Georgia, "Songti SC", "STSong", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --maxw: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body:has(dialog[open]) { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button, a, input, select, textarea { outline-offset: 5px; }
:focus-visible { outline: 2px solid var(--accent); }
button, a { transition: background .18s ease, color .18s ease, transform .18s ease, border-color .18s ease; }
button:disabled { cursor: default; opacity: .6; }
::selection { background: var(--accent-soft); color: var(--ink); }
.wrap { max-width: var(--maxw); padding-inline: 24px; margin-inline: auto; }
.icon { width: 20px; height: 20px; flex-shrink: 0; display: block; }
.mono { font-family: var(--mono); }
.preview-note { min-height: 30px; background: var(--ink); color: #f4f1e9; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 7px 20px; font-size: 11px; letter-spacing: .05em; }
.preview-note span { opacity: .75; }
.preview-note i { width: 4px; height: 4px; border-radius: 50%; background: #d9b59f; }
.header { border-bottom: 1px solid var(--line); }
.nav { display: flex; justify-content: space-between; align-items: center; min-height: 90px; gap: 30px; }
.brand { display: flex; gap: 11px; align-items: center; }
.brand-symbol { width: 38px; height: 38px; display: grid; place-items: center; background: var(--accent); color: #fff; border-radius: 10px; }
.brand-symbol .icon { width: 24px; height: 24px; }
.brand-name { display: flex; gap: 8px; align-items: baseline; font-size: 24px; font-weight: 650; letter-spacing: .04em; }
.brand-name em { font-family: var(--serif); font-size: 26px; font-weight: 400; letter-spacing: -.055em; }
.brand-caption { padding-left: 17px; margin-left: 7px; border-left: 1px solid #cfcec3; font-size: 12px; color: var(--muted); line-height: 1.6; }
.nav-links { display: flex; align-items: center; gap: 32px; font-size: 13px; color: #56584e; }
.nav-links a { padding-block: 14px; }
.nav-links a:hover { color: var(--accent); }
.button { min-height: 46px; border-radius: 6px; padding: 11px 21px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: 13px; font-weight: 550; border: 1px solid transparent; }
.button.primary { background: var(--accent); color: white; }
.button.primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.button.dark { background: var(--ink); color: #fff; }
.button.dark:hover { background: #43453b; }
.button.secondary { border-color: #cfcec4; background: transparent; }
.button.secondary:hover { background: #eeece4; }
.button.large { min-height: 54px; padding-inline: 25px; font-size: 15px; }
.button .icon { width: 17px; height: 17px; }
.eyebrow { font-size: 11px; color: var(--accent); font-weight: 600; letter-spacing: .12em; display: flex; align-items: center; gap: 11px; }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--accent); }
.eyebrow .mono { letter-spacing: .07em; }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; padding-top: 68px; padding-bottom: 55px; align-items: center; }
.hero h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(40px, 4.3vw, 59px); line-height: 1.29; margin: 23px 0 22px; letter-spacing: -.04em; }
.hero h1 .accent-word { color: var(--accent); position: relative; display: inline-block; }
.hero h1 .accent-word::after { content: ""; position: absolute; bottom: -5px; height: 1px; width: 100%; left: 0; background: #caa184; transform: rotate(-1.5deg); }
.hero-desc { color: var(--muted); font-size: 15px; line-height: 1.95; max-width: 420px; margin: 0; text-wrap: pretty; }
.hero-ctas { display: flex; align-items: center; gap: 12px; margin-top: 29px; }
.hero-subnote { margin-top: 16px; display: flex; gap: 7px; align-items: center; color: var(--muted); font-size: 11px; }
.hero-subnote .icon { width: 13px; height: 13px; }
.experience { display: flex; align-items: center; gap: 13px; padding-top: 26px; margin-top: 28px; border-top: 1px solid var(--line); max-width: 416px; }
.experience-monogram { background: #e4e7dc; color: var(--green); border: 1px solid #cfd5c7; width: 39px; height: 39px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 22px; flex-shrink: 0; }
.experience-monogram .icon { width: 21px; height: 21px; stroke-width: 1.7; }
.experience p { margin: 0; font-size: 13px; line-height: 1.65; }
.experience strong { color: var(--accent); font-weight: 650; }
.experience small { color: var(--muted); font-size: 10px; }
.hero-art { background: #eaece3; padding: 24px; border-radius: 14px; position: relative; min-width: 0; }
.artifact-caption { display: flex; align-items: center; justify-content: space-between; color: #626b5a; font-size: 10px; letter-spacing: .1em; margin: 0 0 16px; }
.artifact-caption .edition { color: #677259; border: 1px solid #cbd0c0; border-radius: 100%; width: 28px; height: 28px; display: grid; place-items: center; letter-spacing: 0; }
.workspace { background: #fcfcf9; border-radius: 9px; box-shadow: 0 14px 36px -17px #66705555; border: 1px solid #d6d9cd; overflow: hidden; transform: rotate(-1deg); }
.workspace-title { display: flex; justify-content: space-between; align-items: center; padding: 14px 17px; border-bottom: 1px solid #e5e6dd; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 5px; height: 5px; background: #b7bcae; border-radius: 50%; }
.workspace-title span { font-size: 10px; color: #656b5d; }
.workspace-body { padding: 23px 23px 20px; }
.workspace-kicker { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.workspace-kicker p { font-size: 10px; font-weight: 550; letter-spacing: .05em; color: var(--muted); margin: 0; }
.demo-label { color: #62695a; background: #f0f2ea; border-radius: 3px; padding: 4px 7px; font-size: 9px; }
.workspace h2 { font-size: 22px; letter-spacing: -.03em; margin: 15px 0 6px; font-weight: 550; }
.workspace-intro { font-size: 11px; color: var(--muted); line-height: 1.7; margin: 0 0 18px; }
.device-scene { height: 120px; position: relative; display: flex; align-items: center; justify-content: center; gap: 13px; margin: 15px 0 21px; background-image: radial-gradient(#dce0d3 1px, transparent 1px); background-size: 14px 14px; }
.device { display: grid; place-items: center; width: 77px; height: 77px; border-radius: 18px; border: 1px solid #d5d9cb; background: #f6f7f1; box-shadow: 0 4px 10px #d5d8ce55; }
.device .icon { width: 31px; height: 31px; color: #78846a; }
.device.main-device { width: 85px; height: 85px; background: var(--accent-soft); border-color: #e0cabc; }
.device.main-device .icon { color: var(--accent); width: 34px; height: 34px; }
.device-label { position: absolute; bottom: -1px; display: flex; gap: 6px; align-items: center; font-size: 9px; color: var(--green); background: #fcfcf9; padding: 3px 10px; }
.device-label i { width: 4px; height: 4px; background: var(--green); border-radius: 50%; }
.connection { width: 29px; height: 1px; border-top: 1px dashed #a4af96; }
.workspace-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-top: 1px solid #e9eae1; gap: 12px; font-size: 11px; }
.workspace-row .row-label { display: flex; gap: 9px; align-items: center; }
.workspace-row .row-label .icon { color: #7b8570; width: 15px; height: 15px; }
.status-pill { display: flex; align-items: center; gap: 5px; font-size: 9px; padding: 3px 7px; border-radius: 4px; background: #e8eee2; color: #486342; }
.status-pill .icon { width: 11px; height: 11px; }
.status-pill.neutral { background: #eeeee7; color: #676c60; }
.workspace-footer { display: flex; align-items: center; justify-content: space-between; background: #f0f2e9; padding: 12px 23px; border-top: 1px solid #e2e5d8; font-size: 10px; color: #606b55; gap: 10px; }
.workspace-footer span { display: flex; align-items: center; gap: 6px; }
.workspace-footer .icon { width: 12px; height: 12px; }
.art-bottom { display: flex; justify-content: space-between; gap: 12px; align-items: center; font-size: 9px; color: #626b5a; margin-top: 20px; }
.art-bottom p { margin: 0; }
.promise-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding-block: 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.promise-item { display: flex; align-items: center; justify-content: center; gap: 13px; }
.promise-item + .promise-item { border-left: 1px solid var(--line); }
.promise-item .icon { width: 22px; height: 22px; color: #767f69; }
.promise-item h3 { font-size: 13px; font-weight: 550; margin: 0 0 4px; }
.promise-item p { font-size: 10px; color: var(--muted); margin: 0; }
.section { padding-top: 65px; padding-bottom: 62px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 25px; margin-bottom: 30px; }
.section-overline { font-size: 10px; letter-spacing: .13em; color: var(--accent); margin: 0 0 12px; }
.section-heading h2 { font-family: var(--serif); font-size: 32px; font-weight: 500; letter-spacing: -.025em; margin: 0; }
.section-heading > p { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 0 0 2px; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 19px; }
.process-card { border: 1px solid var(--line); border-radius: 8px; padding: 24px; position: relative; background: #fbfaf6; }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 25px; }
.step-no { font-family: var(--serif); font-size: 35px; color: #777765; }
.step-top .icon { color: #747b69; }
.process-card h3 { font-weight: 550; font-size: 17px; margin: 0 0 10px; }
.process-card > p { font-size: 12px; color: var(--muted); line-height: 1.85; margin: 0; max-width: 260px; }
.step-tag { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #dadcd0; background: #f0f2ea; color: #5f6b53; padding: 5px 8px; margin-top: 21px; border-radius: 4px; font-size: 10px; }
.step-tag .icon { width: 11px; height: 11px; }
.personal-note { background: #ede9e0; border-radius: 9px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 45px; padding: 36px 38px; align-items: center; margin-bottom: 64px; }
.note-heading { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 11px; margin-bottom: 14px; }
.note-heading .icon { width: 17px; height: 17px; }
.personal-note blockquote { font-family: var(--serif); font-size: 24px; line-height: 1.55; margin: 0 0 14px; }
.personal-note blockquote strong { color: var(--accent); font-weight: 400; }
.personal-note cite { font-style: normal; font-size: 10px; color: var(--muted); }
.note-detail { border-left: 1px solid #cccbbf; padding-left: 35px; }
.note-detail p { font-size: 12px; color: #606257; line-height: 1.9; margin: 0 0 13px; }
.text-button { background: none; border: 0; padding: 0; display: flex; align-items: center; gap: 8px; color: var(--accent); font-size: 12px; min-height: 44px; }
.text-button:hover { color: var(--accent-hover); }
.text-button .icon { width: 14px; height: 14px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.5fr; gap: 80px; padding-bottom: 64px; }
.faq-intro h2 { font-family: var(--serif); font-weight: 500; font-size: 32px; margin: 0 0 13px; }
.faq-intro p { color: var(--muted); font-size: 12px; line-height: 1.8; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-question { width: 100%; background: none; border: 0; padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 18px; text-align: left; font-size: 13px; }
.faq-question:hover { color: var(--accent); }
.faq-question .icon { width: 15px; height: 15px; color: var(--muted); }
.faq-answer { font-size: 12px; color: var(--muted); line-height: 1.9; margin: 0; padding: 0 27px 20px 0; }
.footer { border-top: 1px solid var(--line); padding: 23px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 10px; color: var(--muted); }
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer strong { font-size: 12px; color: #505346; font-weight: 550; }
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--accent); }
.footer-version { font-size: 9px; }
dialog { border: 1px solid var(--line); border-radius: 13px; background: var(--paper); padding: 0; width: min(540px, calc(100% - 32px)); max-height: calc(100dvh - 40px); color: var(--ink); box-shadow: 0 30px 120px #272b2555; }
dialog::backdrop { background: #28292477; backdrop-filter: blur(5px); }
.modal { padding: 30px; position: relative; }
.modal-close { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.modal-close .icon { width: 15px; height: 15px; }
.modal h2 { font-family: var(--serif); font-size: 28px; font-weight: 500; margin: 0 0 11px; }
.modal-lead { color: var(--muted); font-size: 13px; line-height: 1.8; margin: 0 0 22px; }
.modal-step { font-size: 10px; color: var(--accent); letter-spacing: .13em; margin: 0 0 15px; }
.field-label { display: block; font-size: 12px; font-weight: 550; margin: 0 0 9px; }
.os-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-bottom: 22px; }
.os-option { border: 1px solid #d5d5cb; border-radius: 6px; background: #fbfaf7; min-height: 73px; display: flex; gap: 13px; align-items: center; padding: 15px; text-align: left; }
.os-option[aria-pressed="true"] { border-color: var(--accent); background: #f2e6dd; box-shadow: inset 0 0 0 1px var(--accent); }
.os-option .icon { width: 25px; height: 25px; color: #6a6f5f; }
.os-option[aria-pressed="true"] .icon { color: var(--accent); }
.os-option strong { font-size: 13px; font-weight: 550; display: block; }
.os-option small { color: var(--muted); font-size: 10px; }
.form-field { margin-bottom: 18px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid #cccfc0; border-radius: 5px; background: #fff; padding: 12px; font-size: 13px; color: var(--ink); min-height: 45px; }
.form-field textarea { resize: vertical; min-height: 86px; line-height: 1.7; }
.form-field small { color: var(--muted); font-size: 10px; display: block; margin-top: 6px; line-height: 1.6; }
.modal-hint { font-size: 11px; line-height: 1.7; color: #5b6650; background: #e9ede2; padding: 12px 14px; border-radius: 5px; margin: 0 0 20px; display: flex; gap: 9px; align-items: flex-start; }
.modal-hint .icon { width: 16px; height: 16px; margin-top: 1px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .button { flex: 1; }
.modal-disclaimer { font-size: 10px; line-height: 1.7; margin: 13px 0 0; color: var(--muted); text-align: center; }
.summary { margin: 22px 0; border-block: 1px solid var(--line); }
.summary > div { display: grid; grid-template-columns: 90px 1fr; gap: 15px; border-bottom: 1px solid var(--line); padding: 14px 0; line-height: 1.7; }
.summary > div:last-child { border-bottom: 0; }
.summary dt { color: var(--muted); font-size: 12px; }
.summary dd { margin: 0; font-size: 12px; word-break: break-word; white-space: pre-line; }
.success-mark { color: var(--green); width: 42px; height: 42px; border-radius: 50%; background: var(--sage); display: grid; place-items: center; margin-bottom: 20px; }
.form-error { font-size: 11px; color: #963f2c; margin-top: 7px; }
@media (min-width: 1500px) { .hero { padding-top: 80px; padding-bottom: 72px; } }
@media (max-width: 1100px) {
  .brand-caption { display: none; }
  .hero { gap: 34px; }
  .hero h1 { font-size: 46px; }
  .hero-art { padding: 20px; }
  .workspace-body { padding: 20px; }
  .device { width: 65px; height: 65px; }
  .device.main-device { width: 73px; height: 73px; }
  .connection { width: 17px; }
}
@media (max-width: 820px) {
  .nav { min-height: 77px; }
  .nav-links { gap: 17px; }
  .nav-links > a { display: none; }
  .hero { grid-template-columns: 1fr 1fr; gap: 23px; padding-top: 44px; }
  .hero h1 { font-size: 38px; }
  .hero-desc { font-size: 13px; }
  .hero-ctas { flex-wrap: wrap; }
  .hero-ctas .button { font-size: 12px; min-height: 45px; padding-inline: 15px; }
  .hero-art { padding: 14px; }
  .workspace-body { padding: 17px; }
  .workspace h2 { font-size: 19px; }
  .device { width: 51px; height: 55px; border-radius: 11px; }
  .device.main-device { width: 60px; height: 64px; }
  .device .icon { width: 24px; height: 24px; }
  .connection { width: 8px; }
  .device-scene { gap: 8px; }
  .workspace-footer { padding-inline: 17px; }
  .workspace-footer .mono { display: none; }
  .section-heading > p { max-width: 215px; }
  .process-grid { gap: 12px; }
  .process-card { padding: 18px; }
  .personal-note { padding: 27px; gap: 25px; }
  .note-detail { padding-left: 25px; }
  .faq-section { gap: 40px; }
}
@media (max-width: 620px) {
  .wrap { padding-inline: 22px; }
  .preview-note { font-size: 9px; }
  .brand-name { font-size: 22px; flex-direction: column; align-items: flex-start; gap: 0; line-height: 1.2; }
  .brand-name em { font-size: 14px; letter-spacing: -.025em; line-height: 1.35; }
  .brand-symbol { width: 34px; height: 34px; border-radius: 9px; }
  .brand-symbol .icon { width: 21px; height: 21px; }
  .nav .button { font-size: 11px; min-height: 44px; padding-inline: 14px; }
  .nav .button .icon { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 43px; padding-bottom: 33px; gap: 32px; }
  .hero h1 { font-size: clamp(28px, 8.8vw, 40px); margin-top: 21px; }
  .hero-desc { font-size: 14px; max-width: 100%; }
  .hero-ctas { margin-top: 25px; }
  .hero-ctas .button { font-size: 13px; min-height: 48px; padding-inline: 19px; }
  .experience { padding-top: 21px; margin-top: 22px; }
  .hero-art { padding: 21px; }
  .workspace-body { padding: 21px; }
  .workspace h2 { font-size: 22px; }
  .device { width: 62px; height: 62px; border-radius: 15px; }
  .device.main-device { width: 75px; height: 75px; }
  .device-scene { gap: 11px; }
  .connection { width: 15px; }
  .promise-strip { grid-template-columns: 1fr; padding-block: 10px; }
  .promise-item { padding: 15px 4px; justify-content: flex-start; gap: 16px; }
  .promise-item + .promise-item { border-left: 0; border-top: 1px solid var(--line); }
  .promise-item h3 { font-size: 13px; }
  .promise-item p { font-size: 11px; }
  .section { padding-block: 42px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading h2, .faq-intro h2 { font-size: 29px; }
  .section-heading > p { margin-top: 15px; max-width: 100%; }
  .process-grid { grid-template-columns: 1fr; }
  .process-card { padding: 24px; }
  .step-top { margin-bottom: 15px; }
  .process-card > p { font-size: 13px; max-width: none; }
  .step-tag { margin-top: 17px; }
  .personal-note { grid-template-columns: 1fr; padding: 26px; gap: 23px; margin-bottom: 40px; }
  .personal-note blockquote { font-size: 23px; }
  .note-detail { border-left: 0; border-top: 1px solid #cccbbf; padding-left: 0; padding-top: 22px; }
  .faq-section { grid-template-columns: 1fr; gap: 15px; padding-bottom: 38px; }
  .faq-question { font-size: 13px; min-height: 62px; }
  .faq-answer { font-size: 12px; }
  .footer-inner { flex-wrap: wrap; gap: 17px; }
  .footer-version { width: 100%; }
  .modal { padding: 26px 22px; }
  .modal h2 { font-size: 26px; padding-right: 22px; }
  .os-option { padding: 12px; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Production contact flow. */
[hidden] { display: none !important; }
.footer-company { font-size: 10px; line-height: 1.8; }
.footer-company a:hover { color: var(--accent); }
.os-fieldset { border: 0; padding: 0; margin: 0; }
.optional { color: var(--muted); font-weight: 400; }
.request-text { min-height: 190px !important; background: #fcfcf9 !important; }
.copy-status { min-height: 19px; margin: 12px 0 0; color: var(--green); font-size: 12px; line-height: 1.7; }
.copy-status.is-error { color: #963f2c; }
.booking-qr { margin: 24px 0 12px; padding: 20px 16px; background: #fff; border: 1px solid var(--line); border-radius: 8px; text-align: center; }
.booking-qr img { display: block; width: min(236px, 100%); height: auto; margin: 0 auto 12px; }
.booking-qr figcaption { font-size: 12px; color: var(--muted); line-height: 1.85; }
.booking-qr a { color: var(--accent); display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 3px; }
.faq-question { list-style: none; cursor: pointer; }
.faq-question::-webkit-details-marker { display: none; }
.faq-item[open] .faq-question .icon { transform: rotate(45deg); }
.faq-question .icon { transition: transform .18s ease; }
.noscript-contact { font-size: 13px; padding-block: 24px; line-height: 1.8; }
.noscript-contact a { text-decoration: underline; color: var(--accent); }
@media (max-width: 620px) {
  .footer-company { width: 100%; }
}

/* Service context and stable editorial metadata. */
.usage-scenarios { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 12px 0 0; text-wrap: pretty; }
.footer-updated { color: var(--muted); font-size: 10px; line-height: 1.8; }