:root {
  color-scheme: light;
  --ink: #262522;
  --muted: #77736c;
  --line: #eae7e1;
  --soft: #f7f8f5;
  --accent: #ad5032;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  font-family: "HarmonyOS Sans SC", "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; scrollbar-gutter: stable; }
body { margin: 0; background: #ffffff; color: var(--ink); font-size: 15px; line-height: 1.8; -webkit-text-size-adjust: 100%; }
body.dialog-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { color: inherit; font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { border: 0; }
p, h1, h2, h3, figure { margin: 0; }
h1, h2, h3 { line-height: 1.35; text-wrap: balance; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible { outline: 2px solid #9a5838; outline-offset: 5px; }
.shell { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.narrow { max-width: 760px; }
.section-divider { border-top: 1px solid var(--line); }
.eyebrow { color: var(--muted); font-size: 12px; letter-spacing: .03em; }
.skip-link { position: fixed; z-index: 100; top: 15px; left: 20px; padding: 10px 18px; border-radius: 8px; color: #ffffff; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 46px; padding: 10px 21px; border: 1px solid transparent; border-radius: 11px; font-size: 13px; font-weight: 500; transition: background 160ms ease, transform 160ms ease; }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--ink); color: #ffffff; }
.button-primary:hover { background: #3b443a; }
.button-secondary { background: #ffffff; border-color: #e0e5dc; color: var(--ink); }
.button-secondary:hover { background: #f5f7f1; }
.button > span { font-size: 17px; line-height: 1; }
.availability { margin-top: 18px; color: #7a8076; font-size: 11px; }
.screenshot-button { display: block; min-width: 0; padding: 0; background: transparent; }
.phone-image { width: 100%; border: 5px solid #383d33; border-radius: 30px; background: #edf2fa; box-shadow: 0 10px 26px #26331e24; }
figcaption { margin-top: 13px; color: #7c8377; font-size: 10px; text-align: center; }
.features { padding-block: 80px 82px; }
.section-title { text-align: center; }
.section-title h2 { margin-top: 12px; font-size: clamp(27px, 3vw, 36px); font-weight: 550; letter-spacing: -.045em; }
.section-title > p:last-child:not(.eyebrow) { margin-top: 13px; color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 41px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.feature-grid article { min-width: 0; padding: 26px 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid article:nth-child(3n) { border-right: 0; }
.feature-grid article:nth-last-child(-n+3) { border-bottom: 0; }
.feature-grid h3 { font-size: 15px; font-weight: 550; letter-spacing: -.02em; }
.feature-grid p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.workbench { padding-block: 90px; }
.workbench-layout { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 85px; }
.workbench-copy h2 { margin-top: 14px; font-size: clamp(34px, 3.4vw, 46px); font-weight: 550; letter-spacing: -.055em; line-height: 1.35; }
.section-description { max-width: 400px; margin-top: 23px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.workbench-points { display: grid; gap: 24px; margin-top: 32px; }
.workbench-points h3 { font-size: 14px; font-weight: 550; }
.workbench-points p { max-width: 395px; margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.workbench-screens { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 17px; max-width: 500px; }
.workbench-screens > button:last-child { transform: translateY(26px); }
.workbench-screens .phone-image { border-width: 4px; border-radius: 28px; box-shadow: 0 12px 24px #27301d12; }
.tablet-section { padding-block: 80px; }
.wide-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 35px; margin-bottom: 34px; }
.wide-section-heading h2 { margin-top: 13px; font-size: 35px; font-weight: 550; letter-spacing: -.045em; }
.wide-section-heading > p { max-width: 380px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.tablet-screen { width: 100%; border: 1px solid #d6ddd0; border-radius: 15px; padding: 7px; background: #fafbf8; box-shadow: 0 12px 32px #27301d0e; overflow: hidden; }
.tablet-screen img { width: 100%; border-radius: 9px; }
.tablet-showcase figcaption { margin-top: 14px; }
.screens-section { padding-block: 80px; }
.gallery-layout { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 100px; max-width: 900px; margin: 48px auto 0; }
.gallery-controls { display: grid; }
.gallery-controls > button { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; min-height: 61px; padding: 16px 0; border-top: 1px solid var(--line); background: transparent; color: #71786c; text-align: left; font-size: 16px; }
.gallery-controls > button:last-child { border-bottom: 1px solid var(--line); }
.gallery-controls > button > span { opacity: 0; transition: opacity 160ms ease; }
.gallery-controls > button[aria-selected="true"] { color: var(--ink); }
.gallery-controls > button[aria-selected="true"] > span, .gallery-controls > button:hover > span { opacity: 1; }
.gallery-description { margin-top: 25px; min-height: 80px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.gallery-caption { margin-top: 19px; color: #7a8174; font-size: 10px; line-height: 1.9; }
.gallery-stage { display: grid; place-items: center; padding: 30px; min-height: 575px; border-radius: 20px; background: #f3f5ee; }
.gallery-main { width: 240px; max-width: 100%; }
.gallery-main .phone-image { border-width: 4px; border-radius: 27px; }
.image-hint { display: block; margin-top: 12px; font-size: 10px; color: #6d7862; text-align: center; }
.store-kit { margin-top: 50px; padding-block: 4px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.store-kit summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; padding-block: 17px; list-style: none; cursor: pointer; font-size: 14px; }
.store-kit summary::-webkit-details-marker { display: none; }
.store-kit summary > span:first-child::after { content: " +"; margin-left: 12px; color: #76816b; }
.store-kit[open] summary > span:first-child::after { content: " −"; }
.store-kit summary > span:last-child { color: var(--muted); font-size: 11px; }
.store-kit-intro { color: var(--muted); font-size: 12px; }
.store-kit h3 { margin-block: 22px 13px; font-size: 13px; font-weight: 500; }
.store-reel { display: grid; grid-auto-flow: column; grid-auto-columns: 210px; gap: 16px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x proximity; padding: 8px 2px 22px; scrollbar-color: #adb7a3 #f1f4ed; }
.store-reel-tablet { grid-auto-columns: 320px; }
.store-poster { min-width: 0; padding: 0; background: transparent; text-align: left; scroll-snap-align: start; }
.store-poster img { width: 100%; height: auto; border: 1px solid #d9dfd2; border-radius: 6px; }
.store-poster > span { display: block; padding-top: 10px; color: var(--muted); font-size: 11px; }
.questions-section { padding-block: 76px; }
.faq-list { margin-top: 32px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 70px; padding-block: 21px; list-style: none; cursor: pointer; font-size: 14px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary > span { color: #737c6c; font-size: 21px; line-height: 1; font-weight: 400; transition: transform 160ms ease; }
.faq-item[open] summary > span { transform: rotate(45deg); }
.faq-item > p { max-width: 690px; padding-bottom: 23px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.faq-item a { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.download-section { padding-block: 74px; text-align: center; background: #fcfcfa; }
.download-icon { margin-inline: auto; border-radius: 16px; }
.download-section h2 { margin-top: 23px; font-family: var(--serif); font-size: clamp(29px, 3.4vw, 42px); font-weight: 500; letter-spacing: -.04em; }
.download-section .shell > p { margin-top: 14px; color: var(--muted); font-size: 14px; }
.download-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.invite-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; margin-top: 10px; color: #6e7766; font-size: 12px; }
.invite-link:hover { color: var(--ink); }
.site-footer { padding-top: 49px; padding-bottom: 22px; }
.footer-top { display: grid; grid-template-columns: 1.45fr .8fr 1.15fr .8fr; gap: 40px; padding-bottom: 38px; }
.footer-brand-block > p { margin-top: 12px; color: var(--muted); font-size: 12px; }
.source-link { display: inline-flex; align-items: center; gap: 12px; min-height: 40px; margin-top: 8px; color: var(--muted); font-size: 11px; }
.footer-link-group { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-width: 0; }
.footer-link-group h3 { margin-bottom: 11px; color: #535c4d; font-size: 12px; font-weight: 550; }
.footer-link-group > a { display: inline-flex; align-items: center; gap: 9px; min-height: 32px; color: var(--muted); font-size: 12px; }
.footer-link-group > a:hover { color: var(--ink); }
.footer-link-group .xiaohongshu-link { color: #353c30; }
.social-account { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.social-account button { min-height: 32px; padding: 2px 0; background: transparent; font: 12px/1.5 ui-monospace, monospace; text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 4px; user-select: all; }
.social-qr-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 38px; margin-top: 4px; padding: 7px 12px; border: 1px solid #dce2d6; border-radius: 8px; background: #ffffff; font-size: 11px; }
.social-qr-button:hover { background: #f5f7f1; }
.copy-status { min-height: 0; color: #686f62; font-size: 10px; }
.copy-status:not(:empty) { margin-top: 3px; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 15px; padding-top: 22px; border-top: 1px solid var(--line); color: #7a8174; font-size: 10px; }
.footer-bottom a { display: inline-flex; min-height: 32px; align-items: center; color: #565e50; font-size: 11px; }
.lightbox { width: min(800px, calc(100% - 36px)); max-height: calc(100dvh - 36px); padding: 0; border: 1px solid #dce2d6; border-radius: 15px; color: var(--ink); background: #ffffff; }
.lightbox::backdrop { background: #172014a6; backdrop-filter: blur(3px); }
.lightbox-header { position: sticky; z-index: 2; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 19px; border-bottom: 1px solid var(--line); background: #fffffff5; backdrop-filter: blur(12px); }
.lightbox-header p { font-size: 12px; line-height: 1.7; }
.lightbox-close { display: inline-flex; align-items: center; gap: 17px; flex-shrink: 0; min-height: 44px; padding: 8px 12px; border: 1px solid #e0e5db; border-radius: 9px; color: #4d5845; background: #ffffff; font-size: 12px; }
.lightbox-close > span { font-size: 22px; line-height: 1; }
.lightbox-image { width: auto; height: auto; max-height: min(1040px, calc(100dvh - 150px)); max-width: calc(100% - 48px); margin: 24px auto; object-fit: contain; }
.lightbox-load-status { display: none; min-height: 240px; margin: 24px; padding: 85px 20px; border-radius: 10px; background: #f5f7f1; color: var(--muted); font-size: 13px; text-align: center; }
.lightbox.is-loading .lightbox-load-status { display: block; }
.lightbox.is-loading .lightbox-image { display: none; }
.lightbox.has-image-error .lightbox-load-status { color: #81533c; }
.qr-action-link { display: none; }
.lightbox.is-qr { width: min(430px, calc(100% - 36px)); }
.lightbox.is-qr .lightbox-image { width: 280px; max-width: calc(100% - 48px); height: auto; background: #ffffff; }
.lightbox.is-qr .qr-action-link { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 47px; margin: 0 24px 24px; padding: 10px 15px; border: 1px solid #dce2d6; border-radius: 9px; color: var(--ink); font-size: 12px; }
@media (min-width: 1600px) {
}
@media (max-width: 1100px) {
  .shell { width: calc(100% - 72px); }
  .workbench-layout { gap: 50px; }
  .workbench-screens { gap: 13px; }
  .gallery-layout { gap: 70px; }
  .footer-top { grid-template-columns: 1.3fr .7fr 1.1fr .8fr; gap: 28px; }
}
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid article:nth-child(3n) { border-right: 1px solid var(--line); }
  .feature-grid article:nth-child(2n) { border-right: 0; }
  .feature-grid article:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .feature-grid article:nth-last-child(-n+2) { border-bottom: 0; }
  .workbench-layout { gap: 35px; grid-template-columns: 1fr 1.05fr; }
  .workbench-copy h2 { font-size: 35px; }
  .section-description { font-size: 13px; }
  .workbench-points { gap: 20px; margin-top: 25px; }
  .workbench-points p { font-size: 12px; }
  .workbench-screens .phone-image { border-width: 3px; border-radius: 21px; }
  .wide-section-heading > p { max-width: 300px; }
  .gallery-layout { gap: 45px; }
  .gallery-stage { padding: 27px; min-height: 535px; }
  .gallery-main { width: 215px; }
  .gallery-controls > button { font-size: 15px; }
  .footer-top { gap: 20px; }
  .footer-link-group > a { font-size: 11px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 105px; }
  .shell { width: calc(100% - 40px); }
  .desktop-break { display: none; }
  .button { min-height: 45px; padding: 10px 15px; border-radius: 10px; gap: 15px; font-size: 12px; }
  .availability { margin-top: 16px; font-size: 10px; }
  .phone-image { border-width: 4px; border-radius: 22px; }
  .features, .workbench, .tablet-section, .screens-section, .questions-section { padding-block: 55px; }
  .eyebrow { font-size: 10px; }
  .section-title h2 { margin-top: 11px; font-size: 27px; }
  .section-title > p:last-child:not(.eyebrow) { font-size: 13px; line-height: 1.9; margin-top: 12px; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 30px; }
  .feature-grid article { padding: 23px 24px; border-right: 0; }
  .feature-grid article:nth-child(3n) { border-right: 0; }
  .feature-grid article:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-grid article:last-child { border-bottom: 0; }
  .feature-grid h3 { font-size: 15px; }
  .feature-grid p { font-size: 14px; line-height: 1.9; margin-top: 8px; }
  .workbench-layout { grid-template-columns: 1fr; gap: 36px; }
  .workbench-copy h2 { margin-top: 13px; font-size: 35px; }
  .section-description { font-size: 14px; max-width: 450px; margin-top: 18px; }
  .workbench-points { gap: 23px; margin-top: 27px; }
  .workbench-points h3 { font-size: 14px; }
  .workbench-points p { font-size: 14px; max-width: 450px; }
  .workbench-screens { width: min(100%, 430px); margin-inline: auto; gap: 13px; padding-bottom: 25px; }
  .workbench-screens .phone-image { border-width: 3px; border-radius: 24px; }
  .workbench-screens > button:last-child { transform: translateY(20px); }
  .wide-section-heading { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 26px; }
  .wide-section-heading h2 { font-size: 31px; }
  .wide-section-heading > p { max-width: none; font-size: 14px; }
  .tablet-screen { padding: 4px; border-radius: 10px; }
  .tablet-screen img { border-radius: 6px; }
  .tablet-showcase figcaption { font-size: 9px; }
  .gallery-layout { grid-template-columns: 1fr; gap: 27px; margin-top: 29px; }
  .gallery-controls { grid-template-columns: 1fr 1fr; column-gap: 20px; }
  .gallery-controls > button { min-height: 58px; font-size: 13px; }
  .gallery-controls > button:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .gallery-controls > button > span { font-size: 13px; }
  .gallery-description { min-height: 78px; margin-top: 20px; font-size: 14px; }
  .gallery-caption { margin-top: 14px; font-size: 9px; }
  .gallery-stage { min-height: 560px; padding: 27px 20px; border-radius: 17px; }
  .gallery-main { width: 225px; }
  .gallery-main .phone-image { border-radius: 26px; }
  .store-kit { margin-top: 30px; }
  .store-kit summary { flex-direction: column; align-items: flex-start; gap: 6px; font-size: 13px; padding-block: 18px; }
  .store-kit summary > span:last-child { font-size: 10px; }
  .store-kit-intro { font-size: 11px; }
  .store-reel { grid-auto-columns: 190px; gap: 13px; }
  .store-reel-tablet { grid-auto-columns: 275px; }
  .store-poster > span { font-size: 10px; }
  .faq-list { margin-top: 26px; }
  .faq-item summary { min-height: 68px; font-size: 13px; padding-block: 19px; }
  .faq-item > p { font-size: 14px; }
  .download-section { padding-block: 55px; }
  .download-icon { width: 54px; height: 54px; border-radius: 14px; }
  .download-section h2 { margin-top: 20px; font-size: 28px; }
  .download-section .shell > p { font-size: 13px; max-width: 300px; margin-inline: auto; }
  .download-actions { gap: 10px; margin-top: 24px; }
  .invite-link { font-size: 11px; }
  .site-footer { padding-top: 34px; padding-bottom: 20px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px 24px; padding-bottom: 30px; }
  .footer-brand-block { grid-column: 1 / -1; }
  .footer-brand-block > p { font-size: 12px; margin-top: 10px; }
  .footer-link-group { gap: 4px; }
  .footer-link-group h3 { margin-bottom: 8px; font-size: 12px; }
  .footer-link-group > a { min-height: 42px; font-size: 12px; }
  .footer-social { grid-column: 1 / -1; grid-row: 2; padding-block: 19px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .footer-social > a { min-height: 37px; }
  .social-account { gap: 10px; font-size: 12px; }
  .social-account button { min-height: 40px; font-size: 13px; }
  .social-qr-button { min-height: 44px; font-size: 12px; margin-top: 3px; }
  .copy-status { font-size: 11px; }
  .footer-bottom { gap: 12px 22px; font-size: 9px; }
  .footer-bottom > span:last-child { width: 100%; }
  .footer-bottom a { font-size: 10px; }
  .lightbox { width: calc(100% - 20px); max-height: calc(100dvh - 20px); border-radius: 12px; }
  .lightbox-header { gap: 12px; padding: 9px 12px; }
  .lightbox-header p { font-size: 11px; }
  .lightbox-close { gap: 10px; padding-inline: 9px; font-size: 11px; }
  .lightbox-image { max-height: calc(100dvh - 135px); max-width: calc(100% - 32px); margin-block: 20px; }
  .lightbox.is-qr { width: calc(100% - 28px); }
}
@media (max-width: 379px) {
  .shell { width: calc(100% - 32px); }
  .section-title h2 { font-size: 25px; }
  .feature-grid article { padding-inline: 20px; }
  .workbench-screens { gap: 11px; }
  .workbench-screens .phone-image { border-radius: 20px; }
  .gallery-controls { column-gap: 17px; }
  .gallery-controls > button { font-size: 12px; }
  .gallery-stage { min-height: 545px; }
  .download-section h2 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Cube identity: an open page header and a small working scene, built around the existing brand character. */
html { scroll-padding-top: 90px; }
.site-header { position: sticky; top: 0; z-index: 30; width: 100%; margin: 0; border-bottom: 1px solid var(--line); background: #fffffff5; backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 82px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-height: 44px; font: 650 19px/1.3 Arial, "HarmonyOS Sans SC", sans-serif; letter-spacing: -.5px; white-space: nowrap; }
.brand img { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 0; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font: 9px/1.4 "HarmonyOS Sans SC", system-ui, sans-serif; letter-spacing: .07em; }
.navigation { display: flex; align-items: center; gap: 30px; }
.navigation > a { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; font-size: 12px; color: #6c6760; }
.navigation > a:hover { color: #a64d30; }
.navigation > .nav-download { min-height: 37px; gap: 22px; margin-left: 8px; padding: 6px 15px; border: 1px solid #caa68d; border-radius: 5px; color: #91452a; background: #fff9f3; }
.menu-toggle { display: none; }
.hero { padding-top: 58px; background: #fff; }
.hero-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 43px; align-items: center; }
.hero-copy { min-width: 0; padding-bottom: 15px; text-align: left; }
.version-label { display: inline-flex; align-items: center; gap: 8px; min-height: 30px; color: #665b50; font-size: 10px; }
.version-square { width: 7px; height: 7px; border: 1px solid #b76b45; transform: rotate(30deg); }
.version-number { margin-left: 9px; padding-left: 12px; border-left: 1px solid #dcd4ca; color: #8b8277; }
.hero h1 { margin-top: 23px; font-family: inherit; font-weight: 650; font-size: clamp(40px, 4.1vw, 59px); line-height: 1.38; letter-spacing: -.06em; }
.hero h1 span { color: #ad5032; }
.hero-description { margin-top: 24px; color: #797168; font-size: 14px; line-height: 2; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 23px; margin-top: 32px; }
.button { border-radius: 6px; }
.button-primary { background: #ad5032; color: #fff; }
.button-primary:hover { background: #95432a; }
.hero-docs-link { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; color: #62574e; font-size: 12px; }
.hero-docs-link:hover { color: #a4482b; }
.hero-footnote { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; color: #978a7b; font-size: 9px; }
.hero-footnote span + span { padding-left: 14px; border-left: 1px solid #e4dcd1; }
.cube-workshop { min-width: 0; padding: 16px 20px 18px; border: 1px solid #eadbcc; border-radius: 12px; background: #fff5ea; }
.workshop-topline, .workshop-bottomline { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.workshop-topline { color: #8b715b; font: 9px/1.5 ui-monospace, "HarmonyOS Sans SC", system-ui, sans-serif; letter-spacing: .06em; }
.workshop-topline > span:last-child { color: #aa9380; font-size: 9px; letter-spacing: 0; }
.workshop-stage { position: relative; isolation: isolate; height: 424px; }
.workshop-grid { position: absolute; z-index: -2; inset: 38px 0 0; background-image: radial-gradient(#c7ae942e 1px, transparent 1px); background-size: 17px 17px; mask-image: linear-gradient(transparent, #000 30%, #000 70%, transparent); }
.workshop-grid::after { content: ""; position: absolute; top: 47%; left: 17%; width: 62%; height: 35%; border: 1px solid #c4ac9366; transform: rotate(-24deg) skewX(30deg); border-radius: 12px; }
.workshop-request { position: absolute; top: 36px; left: 6px; z-index: 2; width: 225px; padding: 15px 18px 18px; border: 1px solid #dfcdbc; border-radius: 3px 3px 12px 3px; background: #fffdf8; box-shadow: 0 6px 0 #ead8c533; transform: rotate(-3deg); }
.workshop-request > span:first-child { color: #a4866a; font-size: 9px; }
.workshop-request p { margin-top: 6px; color: #6e5945; font-size: 12px; }
.paper-fold { position: absolute; right: -1px; bottom: -1px; width: 14px; height: 14px; border: 1px solid #dfcdbc; border-radius: 0 0 11px 0; background: #eee0cf; }
.cube-character { position: absolute; z-index: 1; left: -17px; top: 125px; width: 274px; transform: rotate(-5deg); }
.cube-character > img { width: 100%; position: relative; z-index: 1; }
.cube-shadow { position: absolute; z-index: 0; left: 18%; bottom: -4px; width: 62%; height: 11px; border-radius: 50%; background: #a18b7130; filter: blur(3px); }
.workshop-reply { position: absolute; z-index: 2; left: 10px; bottom: 17px; display: flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 4px; background: #eddfca; color: #816345; font-size: 10px; transform: rotate(-2deg); }
.workshop-reply-dot { width: 4px; height: 4px; flex-shrink: 0; background: #ae7647; border-radius: 50%; }
.workshop-screen { position: absolute; right: 4px; top: 49px; z-index: 3; width: 151px; transform: rotate(4deg); transition: transform 180ms ease; }
.workshop-screen:hover { transform: rotate(2deg) translateY(-4px); }
.workshop-screen .phone-image { border: 4px solid #38352e; border-radius: 22px; box-shadow: 4px 9px 0 #d7c1a847; }
.workshop-screen > span { display: block; margin-top: 10px; color: #9a7c60; font-size: 9px; }
.workshop-connector { position: absolute; top: 225px; left: 53%; width: 22%; height: 34px; border-top: 1px dashed #b99978; border-right: 1px dashed #b99978; transform: rotate(-15deg); }
.workshop-bottomline { padding-top: 13px; border-top: 1px solid #e9d9c8; }
.workshop-bottomline > span { color: #a08770; font-size: 9px; }
.workshop-tabs { display: flex; align-items: center; gap: 4px; }
.workshop-tabs button { min-height: 32px; padding: 6px 10px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: #94785e; font-size: 10px; }
.workshop-tabs button[aria-selected="true"] { color: #804526; background: #fffdf8; border-color: #debb9d; }
.hero-strip { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 53px; padding-block: 22px; border-top: 1px solid var(--line); color: #9b9185; font-size: 10px; }
.hero-strip a { display: inline-flex; gap: 25px; min-height: 28px; align-items: center; color: #7a6757; }
.section-title { text-align: left; }
.section-title .eyebrow { color: #9b7053; }
.feature-grid { counter-reset: feature; border-radius: 5px; }
.feature-grid article::before { counter-increment: feature; content: "0" counter(feature); display: block; margin-bottom: 20px; color: #b49c85; font: 10px ui-monospace, monospace; }
.gallery-stage { background: #f6f1ea; }
.guide-section { padding-block: 75px; background: #fcfaf7; }
.guide-layout { display: grid; grid-template-columns: .75fr 1fr; align-items: center; gap: 80px; }
.guide-illustration { position: relative; display: grid; justify-items: center; align-content: center; gap: 19px; width: min(270px, 100%); aspect-ratio: .83; margin-inline: auto; border: 1px solid #d6bda3; border-radius: 3px 12px 12px 3px; background: #f6e7d3; box-shadow: -7px 0 0 -1px #fcfaf7, -8px 0 0 #d6bda3, -14px 0 0 -1px #fcfaf7, -15px 0 0 #d6bda3; transform: rotate(-6deg); }
.guide-illustration img { width: 140px; }
.guide-illustration > span:not(.guide-page-corner) { color: #957357; font: 13px/1.5 ui-monospace, "HarmonyOS Sans SC", system-ui, sans-serif; letter-spacing: .1em; }
.guide-page-corner { position: absolute; top: -1px; right: 18px; width: 20px; height: 44px; background: #b16d4c; clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%); }
.guide-copy h2 { margin-top: 12px; font-size: clamp(26px, 3vw, 36px); font-weight: 550; letter-spacing: -.04em; }
.guide-copy > p:not(.eyebrow) { margin-top: 20px; color: var(--muted); font-size: 13px; line-height: 2; }
.guide-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 24px; }
.guide-actions > a:not(.button) { display: inline-flex; gap: 15px; align-items: center; min-height: 44px; font-size: 11px; color: #91644a; }
.guide-version { display: block; margin-top: 17px; color: #ab9a88; font-size: 9px; }
.download-section { background: #fff9f3; }
.site-footer .brand { font-size: 18px; }
@media (min-width: 1600px) { .hero { padding-top: 72px; } }
@media (max-width: 1100px) {
  .hero-layout { gap: 30px; grid-template-columns: .9fr 1.1fr; }
  .navigation { gap: 23px; }
  .hero h1 { font-size: 45px; }
  .workshop-request { width: 195px; left: 0; }
  .workshop-request p { font-size: 11px; }
  .cube-character { width: 242px; left: -25px; top: 147px; }
  .workshop-screen { width: 140px; right: -4px; top: 75px; }
  .workshop-stage { height: 424px; }
  .guide-layout { gap: 55px; }
}
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr 1fr; gap: 25px; }
  .hero h1 { font-size: 39px; }
  .hero-description { font-size: 12px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { font-size: 11px; padding-inline: 13px; gap: 13px; }
  .hero-docs-link { font-size: 11px; gap: 10px; }
  .header-inner { gap: 20px; }
  .navigation { gap: 19px; }
  .navigation > a { font-size: 11px; }
  .brand { font-size: 17px; }
  .brand img { width: 34px; height: 34px; flex-basis: 34px; }
  .navigation > .nav-download { gap: 10px; margin-left: 0; padding-inline: 10px; }
  .cube-workshop { padding-inline: 15px; }
  .workshop-request { width: 185px; top: 34px; }
  .cube-character { width: 200px; top: 150px; left: -17px; }
  .workshop-screen { top: 100px; width: 112px; right: -3px; }
  .workshop-screen .phone-image { border-width: 3px; border-radius: 17px; }
  .workshop-stage { height: 375px; }
  .workshop-reply { left: 0; bottom: 22px; padding-inline: 9px; font-size: 9px; }
  .workshop-bottomline { gap: 8px; flex-wrap: wrap; }
  .workshop-bottomline > span { font-size: 8px; }
  .workshop-tabs { gap: 0; }
  .workshop-tabs button { padding-inline: 8px; font-size: 9px; }
  .guide-layout { grid-template-columns: .6fr 1fr; gap: 40px; }
  .guide-copy h2 { font-size: 29px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 85px; }
  .header-inner { min-height: 70px; position: relative; }
  .brand { gap: 9px; font-size: 18px; }
  .brand img { width: 35px; height: 35px; flex-basis: 35px; }
  .brand small { font-size: 8px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 0 8px 12px; background: transparent; font-size: 11px; }
  .menu-lines { position: relative; display: block; width: 18px; height: 10px; border-top: 1px solid #7e6858; border-bottom: 1px solid #7e6858; }
  .navigation { position: absolute; top: calc(100% + 1px); inset-inline: -20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 17px; border-bottom: 1px solid var(--line); background: #fffdf9; }
  .navigation.is-open { display: flex; }
  .navigation > a { justify-content: space-between; padding: 8px 5px; font-size: 13px; }
  .navigation > .nav-download { margin-top: 8px; padding-inline: 13px; }
  .hero { padding-top: 31px; }
  .hero-layout { display: grid; grid-template-columns: 1fr; gap: 27px; }
  .hero-copy { padding-bottom: 0; }
  .version-label { font-size: 9px; }
  .version-number { margin-left: 5px; padding-left: 9px; }
  .hero h1 { margin-top: 17px; font-size: clamp(37px, 10vw, 60px); line-height: 1.32; }
  .hero h1 span { display: inline; }
  .hero-description { margin-top: 19px; font-size: 13px; }
  .hero-actions { justify-content: flex-start; gap: 20px; margin-top: 23px; }
  .hero-actions .button { min-height: 44px; padding-inline: 16px; font-size: 12px; }
  .hero-docs-link { font-size: 12px; }
  .hero-footnote { margin-top: 16px; gap: 12px; font-size: 9px; }
  .hero-footnote span + span { padding-left: 12px; }
  .cube-workshop { padding: 15px; border-radius: 9px; }
  .workshop-stage { height: 360px; max-width: 440px; margin-inline: auto; }
  .workshop-request { top: 28px; left: 5px; width: 200px; padding: 12px 15px 14px; }
  .workshop-request p { font-size: 12px; }
  .cube-character { top: 125px; left: -9px; width: 225px; }
  .workshop-screen { top: 65px; right: 5px; width: 124px; }
  .workshop-screen .phone-image { border-width: 3px; border-radius: 19px; }
  .workshop-reply { left: 12px; bottom: 9px; font-size: 9px; }
  .workshop-bottomline { gap: 15px; padding-top: 12px; }
  .workshop-bottomline > span { font-size: 9px; }
  .workshop-tabs button { min-height: 36px; padding-inline: 11px; font-size: 10px; }
  .hero-strip { margin-top: 25px; padding-block: 17px; gap: 10px; font-size: 9px; }
  .hero-strip a { gap: 10px; }
  .feature-grid article::before { margin-bottom: 14px; }
  .guide-section { padding-block: 48px; }
  .guide-layout { display: flex; flex-direction: column; align-items: stretch; gap: 38px; }
  .guide-illustration { width: 180px; aspect-ratio: 1; gap: 10px; }
  .guide-illustration img { width: 95px; }
  .guide-illustration > span:not(.guide-page-corner) { font-size: 10px; }
  .guide-page-corner { width: 15px; height: 35px; }
  .guide-copy h2 { font-size: 28px; }
  .guide-copy > p:not(.eyebrow) { font-size: 12px; margin-top: 15px; }
  .guide-actions { margin-top: 20px; gap: 18px; }
  .guide-actions > a:not(.button) { font-size: 10px; gap: 8px; }
}
@media (max-width: 359px) {
  .hero h1 { font-size: 36px; }
  .hero-actions { gap: 13px; }
  .hero-actions .button { font-size: 11px; padding-inline: 13px; }
  .hero-docs-link { font-size: 11px; }
  .workshop-stage { height: 330px; }
  .workshop-request { width: 183px; left: 1px; }
  .workshop-request p { font-size: 11px; }
  .cube-character { width: 190px; left: -15px; top: 125px; }
  .workshop-screen { width: 105px; top: 72px; right: -1px; }
  .workshop-reply { left: 2px; font-size: 8px; }
  .workshop-tabs button { padding-inline: 9px; font-size: 9px; }
  .workshop-bottomline > span { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .workshop-screen, .cube-character { transition: none; transform: none; } }