:root {
  color: #203c36;
  background: #f6f5ef;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  --ink: #203c36;
  --muted: #65746d;
  --green: #214c40;
  --green-deep: #14392f;
  --blue: #385f89;
  --line: rgba(43, 66, 54, .15);
  --paper: #fffef9;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button, a, summary { touch-action: manipulation; }
:focus-visible { outline: 3px solid #4c78a3; outline-offset: 4px; border-radius: 3px; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 20; padding: 12px 18px; background: var(--paper); border: 1px solid var(--line); }
.skip-link:focus { top: 12px; }
.section-shell, .site-header, .site-footer { width: min(1180px, calc(100% - 72px)); margin: 0 auto; }
.site-header { min-height: 92px; display: flex; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; letter-spacing: -.04em; }
.brand-mark { width: 35px; height: 35px; border-radius: 10px; box-shadow: 0 4px 9px rgba(18, 40, 30, .1); }
.site-nav { display: flex; gap: 27px; margin-left: auto; color: #576b60; font-size: 13px; }
.site-nav a:hover, .site-footer a:hover, .text-link:hover { color: var(--blue); }
.language-toggle { min-width: 40px; min-height: 36px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255, 255, 255, .4); color: var(--ink); font-size: 12px; }
.hero { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 52px; align-items: center; padding-top: 66px; padding-bottom: 72px; }
.hero-copy { min-width: 0; }
.eyebrow { margin-bottom: 20px; color: #62776c; font-size: 11px; font-weight: 650; line-height: 1.6; letter-spacing: .13em; }
h1 { margin-bottom: 26px; font-size: clamp(48px, 5.3vw, 68px); font-weight: 580; line-height: 1.2; letter-spacing: -.055em; }
h1 em { color: var(--green); font-style: normal; }
html[lang="en"] h1 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(54px, 5.5vw, 73px); font-weight: 400; line-height: 1.05; letter-spacing: -.055em; }
html[lang="en"] h1 em { font-style: italic; }
.hero-tagline { margin-bottom: 14px; color: #314d42; font-size: 19px; line-height: 1.55; font-weight: 600; }
.hero-lede { max-width: 450px; margin-bottom: 26px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 46px; border: 1px solid transparent; border-radius: 9px; padding: 10px 17px; font-size: 13px; font-weight: 600; line-height: 1.5; transition: background .16s ease, border-color .16s ease; }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 5px 12px rgba(26, 66, 45, .09); }
.button-primary:hover { background: var(--green-deep); }
.button-quiet { color: #405b4e; border-color: var(--line); background: rgba(255, 255, 255, .5); }
.button-quiet:hover { border-color: #728779; background: #fffef9; }
.hero-requirement { margin: 18px 0 13px; color: #69776e; font-size: 11px; line-height: 1.8; }
.text-link { display: inline-block; color: var(--blue); font-size: 12px; font-weight: 600; line-height: 1.8; }
.hero-visual { min-width: 0; }
.visual-caption { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.illustration-label { margin-bottom: 13px; color: #6f7d73; font-size: 10px; letter-spacing: .02em; line-height: 1.6; }
.visual-caption .illustration-label { margin: 0; }
.demo-reset { flex-shrink: 0; min-height: 32px; padding: 5px 0 5px 8px; border: 0; color: var(--blue); background: transparent; font-size: 11px; }
.reading-scene { position: relative; min-height: 402px; padding: 14px 52px 20px 18px; border-radius: 26px; background: radial-gradient(ellipse at 85% 60%, #dce7df 0, rgba(220, 231, 223, .18) 70%, transparent 100%); }
.paper-sheet { width: 100%; min-height: 360px; padding: 28px 30px 20px; transform: rotate(-3deg); color: #6f7970; background: var(--paper); border: 1px solid #e3e4d9; box-shadow: 7px 10px 0 #eceee3, 0 16px 25px rgba(44, 59, 37, .09); }
.paper-meta, .paper-footer { display: flex; justify-content: space-between; gap: 8px; color: #859085; font-size: 8px; line-height: 1.5; letter-spacing: .06em; }
.paper-title { margin: 37px 0 27px; color: #3c5141; font-family: Georgia, serif; font-size: 24px; line-height: 1.23; }
.paper-line { width: 83%; height: 4px; margin: 10px 0; border-radius: 2px; background: #e7e8de; }
.paper-line.wide { width: 95%; }.paper-line.short { width: 58%; }
.paper-copy { margin: 24px 0; color: #74806f; font-family: Georgia, serif; font-size: 14px; line-height: 1.85; }
.paper-copy mark { padding: 3px 5px; background: #d6e7c0; color: #253b24; border-radius: 2px; box-shadow: 0 0 0 1px rgba(96, 128, 65, .1); }
.paper-footer { margin-top: 25px; }
.lookup-card { position: absolute; right: 0; bottom: 26px; width: min(300px, 75%); overflow: hidden; color: #647369; background: rgba(255, 255, 253, .84); border: 1px solid rgba(255,255,255,.95); border-radius: 15px; box-shadow: 0 16px 38px rgba(46, 72, 56, .14), inset 0 0 0 1px rgba(94, 126, 104, .06); backdrop-filter: blur(22px) saturate(130%); }
.lookup-top { display: flex; align-items: center; gap: 7px; min-height: 37px; padding: 6px 11px; color: #385249; background: rgba(211, 227, 217, .55); border-bottom: 1px solid rgba(130, 156, 135, .1); font-size: 10px; }
.mini-mark { width: 21px; height: 21px; border-radius: 6px; }
.lookup-top button { width: 28px; height: 28px; margin-left: auto; border: 0; border-radius: 6px; color: #50655a; background: transparent; font-size: 21px; line-height: 1; }
.lookup-top button:hover { background: rgba(138, 155, 141, .13); }
.lookup-body { min-height: 166px; padding: 14px 19px 0; }
.lookup-word { margin-bottom: 4px; color: #244234; font-family: Georgia, serif; font-size: 31px; letter-spacing: -.015em; }
.lookup-pos { color: #728275; font-size: 10px; }
.lookup-meaning { margin: 12px 0 9px; color: #365344; font-size: 15px; font-weight: 650; }
.lookup-card p { margin-bottom: 12px; font-size: 11px; line-height: 1.7; }
.saved-note { display: flex; gap: 7px; align-items: center; padding-top: 10px; color: #67806b; border-top: 1px solid rgba(68, 95, 60, .1); font-size: 9px; line-height: 1.5; }
.lookup-close { display: block; width: calc(100% - 38px); min-height: 30px; margin: 12px 19px 13px; border: 1px solid rgba(87, 115, 85, .14); border-radius: 6px; color: #65776a; background: rgba(255, 255, 255, .4); font-size: 10px; }
.lookup-close:hover { background: rgba(226, 237, 221, .7); }
.review-preview .review-kicker { margin: 0 0 12px; font-size: 9px; color: #78917a; letter-spacing: .03em; }
.review-reveal { margin: 14px 0 12px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 6px; color: var(--green); background: rgba(234, 243, 226, .65); font-size: 11px; }
.demo-review-answer strong { display: block; color: #365344; font-size: 13px; }
.demo-review-answer p { margin: 6px 0 4px; }
.selection-note { display: none; position: absolute; right: 18px; bottom: 58px; padding: 12px 16px; color: var(--green); border: 1px solid rgba(94, 126, 82, .2); border-radius: 10px; background: rgba(249, 252, 240, .95); box-shadow: 0 7px 16px rgba(46, 72, 56, .08); font-size: 12px; }
[data-demo-stage="selection"] .selection-note { display: block; }
.demo-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 22px; padding-top: 12px; border-top: 1px solid var(--line); }
.demo-controls button { display: flex; justify-content: center; align-items: center; gap: 8px; min-height: 40px; padding: 6px 4px; border: 0; border-radius: 7px; color: #7d897c; background: transparent; font-size: 11px; }
.demo-controls button span:first-child { font-size: 9px; opacity: .7; }
.demo-controls button[aria-pressed="true"] { color: var(--green); background: #e4eadd; font-weight: 650; }
.demo-status { min-height: 32px; margin: 10px 0 0; color: #71816f; font-size: 10px; line-height: 1.6; }
h2 { margin-bottom: 19px; font-size: clamp(30px, 3.3vw, 42px); font-weight: 550; line-height: 1.35; letter-spacing: -.035em; }
html[lang="en"] h2 { font-family: Georgia, serif; font-weight: 400; letter-spacing: -.04em; line-height: 1.15; }
.section-intro { max-width: 540px; }
.section-intro > p:last-child, .library-copy > p, .getting-started > div > p:last-of-type, .download-copy > p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.workflow { padding-top: 64px; padding-bottom: 96px; border-top: 1px solid var(--line); }
.workflow-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; margin-top: 38px; }
.workflow-step { min-width: 0; padding-top: 21px; border-top: 1px solid var(--line); }
.step-number { color: #7b917c; font-family: Georgia, serif; font-size: 15px; }
.workflow-step h3 { margin: 23px 0 12px; font-size: 19px; font-weight: 600; }
.workflow-step p { min-height: 70px; margin-bottom: 18px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.step-demo { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 11px; border-radius: 8px; color: #627864; background: #eaece1; font-size: 11px; }
.key-demo { justify-content: center; }
kbd { padding: 4px 6px; color: #637c63; background: #fafbf4; border: 1px solid #d1d8c8; border-bottom-width: 2px; border-radius: 4px; font: inherit; font-size: 10px; }
.key-demo b { font-weight: 400; color: #8c9b89; }
.saved-indicator { display: grid; width: 23px; height: 23px; place-items: center; color: #456242; border-radius: 50%; background: #d8e5ce; }
.review-demo { justify-content: space-between; }
.review-demo span:last-child { color: var(--blue); font-size: 10px; }
.library-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: center; gap: 64px; padding-bottom: 100px; }
.library-copy > p { max-width: 390px; }
.library-notes { margin: 24px 0 0; padding-left: 18px; color: #657861; font-size: 12px; line-height: 1.8; }
.library-notes li + li { margin-top: 8px; }
.library-illustration { min-width: 0; }
.library-preview { overflow: hidden; border: 1px solid #e0e6d9; border-radius: 12px; background: rgba(255, 255, 251, .83); box-shadow: 0 12px 32px rgba(63, 82, 48, .08); }
.library-preview-bar { display: flex; align-items: center; gap: 7px; min-height: 35px; padding: 0 12px; color: #4c6453; border-bottom: 1px solid var(--line); background: #edf1e7; font-size: 10px; }
.library-preview-bar img { width: 20px; height: 20px; border-radius: 5px; }
.preview-controls { margin-left: auto; color: #849082; font-size: 12px; }
.library-preview-layout { display: grid; grid-template-columns: 112px minmax(0, 1fr); min-height: 293px; }
.library-preview-nav { display: grid; align-content: start; gap: 5px; padding: 24px 8px; color: #899582; border-right: 1px solid var(--line); background: #f1f4e9; font-size: 10px; }
.library-preview-nav div { padding: 8px; }
.preview-nav-active { color: #446743; background: #e1e9d9; border-radius: 5px; font-weight: 650; }
.library-preview-content { min-width: 0; padding: 23px 21px; }
.preview-eyebrow { color: #86977f; font-size: 8px; font-weight: 650; letter-spacing: .08em; }
.library-preview-content h3 { margin: 6px 0 16px; font-size: 18px; font-weight: 600; }
.library-preview-counts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.library-preview-counts div { display: flex; flex-direction: column; gap: 5px; padding: 9px 11px; border: 1px solid #e2e9dc; border-radius: 5px; background: #fafbf5; }
.library-preview-counts span { color: #809279; font-size: 9px; line-height: 1.4; }
.library-preview-counts strong { color: #43623e; font-size: 20px; font-weight: 600; }
.library-preview-tools { display: flex; gap: 8px; margin: 13px 0 8px; }
.library-preview-tools span { flex: 1; min-width: 0; padding: 8px 6px; border: 1px solid var(--line); border-radius: 4px; color: #94a08a; font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.library-preview-tools span:last-child { flex: 0 0 100px; }
.library-preview-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr) auto; gap: 9px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); font-size: 10px; }
.library-preview-row strong { overflow-wrap: anywhere; color: #476341; font-size: 11px; }
.library-preview-row > span { color: #698761; }
.library-preview-row small { color: #8b9b83; white-space: nowrap; font-size: 9px; }
.getting-started { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 78px; padding: 49px 52px; background: #e9ecdf; border-radius: 16px; }
.setup-list { display: grid; align-content: center; gap: 23px; margin: 0; padding-left: 25px; }
.setup-list li { padding-left: 10px; }
.setup-list li::marker { color: #829475; font-family: Georgia, serif; }
.setup-list strong { font-size: 14px; font-weight: 600; }
.setup-list p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.download-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: 90px; align-items: start; padding: 102px 0; }
.download-copy { position: sticky; top: 40px; }
.download-copy > p { max-width: 415px; }
.download-copy .testing-note { margin-top: 27px; max-width: 370px; color: #8b8a72; font-size: 11px; }
.download-platforms { display: grid; gap: 18px; min-width: 0; }
.download-panel { min-width: 0; padding: 25px 27px; border: 1px solid var(--line); border-radius: 12px; background: #fcfcf6; }
.download-panel h3 { display: flex; align-items: center; gap: 9px; margin-bottom: 15px; font-size: 22px; font-weight: 600; letter-spacing: -.02em; }
.platform-detail { margin-left: auto; color: #85927e; font-size: 12px; letter-spacing: 0; font-weight: 400; }
.download-version { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; color: #7c8975; font-size: 11px; line-height: 1.6; }
.download-version strong { margin-left: auto; color: #5a7252; font-size: 12px; font-weight: 600; overflow-wrap: anywhere; }
.full { width: 100%; margin: 19px 0 10px; }
.release-link { display: inline-block; color: var(--blue); font-size: 11px; line-height: 1.8; }
.release-link:hover { text-decoration: underline; }
.platform-meta { margin: 15px 0 0; color: #88907d; font-size: 10px; line-height: 1.7; }
.windows-trust-notice { margin: 17px 0 0; padding: 11px 12px; color: #7c6946; border-left: 2px solid #c2b88e; background: #f5f1e4; font-size: 11px; line-height: 1.75; }
.download-help { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: #73816a; font-size: 11px; line-height: 1.75; }
summary { cursor: pointer; }
.download-help summary { color: #4e6950; font-size: 12px; font-weight: 550; }
.download-help-content { padding-top: 12px; }
.download-help-content p { margin-bottom: 12px; }
.download-file-meta { overflow-wrap: anywhere; font-size: 10px; }
.download-checksum { min-width: 0; margin-bottom: 12px; }
.download-checksum > span { display: block; margin-bottom: 5px; color: #7d8d74; font-size: 9px; letter-spacing: .1em; }
.download-checksum code { display: block; padding: 9px 10px; color: #607759; border: 1px solid var(--line); border-radius: 5px; background: #f2f5eb; font-family: Consolas, monospace; font-size: 10px; line-height: 1.7; overflow-wrap: anywhere; }
.download-policy { margin: 10px 0 0; }
.preview-badge { padding: 4px 7px; color: #897957; border: 1px solid #e3ddc6; border-radius: 5px; background: #f7f3e5; font-size: 10px; font-weight: 400; letter-spacing: 0; }
.mac-download .full { margin: 15px 0 0; }
.mac-download .download-version strong { margin-left: 0; font-size: 11px; }
.mac-install-note, .mac-validation-note { margin: 14px 0 0; color: #7b8670; font-size: 11px; line-height: 1.8; }
.mac-validation-note { color: #897957; }
.mac-download .release-link { margin-top: 13px; }
.faq-section { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: 80px; padding-top: 63px; padding-bottom: 90px; border-top: 1px solid var(--line); }
.faq-list details { padding: 19px 0; border-bottom: 1px solid var(--line); }
.faq-list details:first-child { padding-top: 0; }
.faq-list summary { color: #3f5948; font-size: 14px; line-height: 1.7; }
.faq-list p { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.site-footer { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding: 25px 0 32px; border-top: 1px solid var(--line); color: #89917f; font-size: 10px; }
.footer-brand { font-size: 14px; color: var(--ink); }
.footer-brand .brand-mark { width: 27px; height: 27px; border-radius: 8px; }
.site-footer-links { display: flex; gap: 17px; flex-wrap: wrap; margin-left: auto; color: #627b5c; }
@media (max-width: 1000px) {
  .section-shell, .site-header, .site-footer { width: calc(100% - 48px); }
  .hero { gap: 30px; padding-top: 50px; }
  h1 { font-size: 49px; } html[lang="en"] h1 { font-size: 55px; }
  .hero-tagline { font-size: 16px; }
  .hero-lede { font-size: 14px; }
  .reading-scene { padding-right: 26px; min-height: 385px; }
  .paper-sheet { padding: 24px 22px; }
  .paper-title { font-size: 20px; }
  .lookup-card { width: 80%; }
  .library-section { gap: 34px; }
  .library-preview-layout { grid-template-columns: 90px minmax(0, 1fr); }
  .library-preview-content { padding: 21px 14px; }
  .getting-started { padding: 42px 34px; gap: 40px; }
  .download-section { gap: 45px; grid-template-columns: minmax(0, 1fr) minmax(0, 400px); }
  .workflow-grid { gap: 26px; }
  .faq-section { gap: 40px; }
}
@media (max-width: 760px) {
  .section-shell, .site-header, .site-footer { width: min(620px, calc(100% - 40px)); }
  .site-header { min-height: 73px; gap: 17px; }
  .brand { font-size: 16px; }
  .brand-mark { width: 31px; height: 31px; }
  .site-nav { gap: 17px; font-size: 11px; }
  .hero, .library-section, .getting-started, .download-section, .faq-section { grid-template-columns: minmax(0, 1fr); }
  .hero { gap: 32px; padding-top: 43px; padding-bottom: 48px; }
  .hero-copy { max-width: 540px; }
  h1 { font-size: 51px; } html[lang="en"] h1 { font-size: 58px; }
  .hero-lede { max-width: 460px; }
  .hero-visual { max-width: 550px; width: 100%; }
  .reading-scene { min-height: 340px; padding: 10px 54px 20px 16px; }
  .paper-sheet { min-height: 310px; }
  .paper-title { margin-top: 26px; }
  .paper-copy { max-width: 350px; }
  .lookup-card { width: 64%; }
  .workflow { padding: 48px 0 66px; }
  .workflow-grid { grid-template-columns: 1fr; gap: 23px; margin-top: 27px; }
  .workflow-step { display: grid; grid-template-columns: 35px 1fr; column-gap: 13px; padding-top: 19px; }
  .step-number { grid-row: span 3; margin-top: 3px; }
  .workflow-step h3 { margin: 0 0 8px; font-size: 18px; }
  .workflow-step p { min-height: 0; margin-bottom: 14px; }
  .step-demo { justify-self: start; min-width: 190px; }
  .library-section { gap: 25px; padding-bottom: 61px; }
  .library-copy > p { max-width: 500px; }
  .library-preview-layout { grid-template-columns: 105px minmax(0, 1fr); }
  .library-preview-content { padding: 22px; }
  .getting-started { gap: 29px; padding: 32px 25px; }
  .setup-list { gap: 20px; }
  .download-section { gap: 30px; padding: 61px 0; }
  .download-copy { position: static; }
  .download-copy > p { max-width: 520px; }
  .download-panel { padding: 24px; }
  .faq-section { gap: 17px; padding-top: 44px; padding-bottom: 50px; }
  .faq-list details:first-child { padding-top: 13px; }
  .site-footer-links { width: 100%; margin-left: 0; gap: 16px; }
}
@media (max-width: 450px) {
  .section-shell, .site-header, .site-footer { width: calc(100% - 32px); }
  .site-header { min-height: 66px; gap: 12px; }
  .brand { gap: 7px; font-size: 15px; }
  .brand-mark { width: 29px; height: 29px; border-radius: 9px; }
  .site-nav { gap: 14px; }
  .site-nav a:first-child, .site-nav a:nth-child(2) { display: none; }
  .language-toggle { min-width: 34px; min-height: 32px; }
  .hero { gap: 24px; padding-top: 30px; padding-bottom: 35px; }
  .eyebrow { margin-bottom: 14px; font-size: 10px; }
  h1 { margin-bottom: 20px; font-size: 46px; } html[lang="en"] h1 { font-size: 53px; }
  .hero-tagline { margin-bottom: 9px; font-size: 16px; }
  .hero-lede { margin-bottom: 19px; font-size: 13px; line-height: 1.8; }
  .hero-actions { gap: 8px; }
  .hero-actions .button { flex: 1 1 160px; min-height: 42px; padding: 8px 12px; font-size: 12px; }
  .hero-requirement { margin: 13px 0 10px; font-size: 10px; }
  .text-link { font-size: 11px; }
  .visual-caption { gap: 6px; margin-bottom: 5px; }
  .illustration-label { font-size: 9px; }
  .demo-reset { font-size: 10px; }
  .reading-scene { min-height: 253px; padding: 8px 26px 12px 9px; border-radius: 18px; }
  .paper-sheet { min-height: 232px; padding: 17px 18px; }
  .paper-title { margin: 20px 0 14px; font-size: 17px; }
  .paper-meta, .paper-footer { font-size: 6px; }
  .paper-copy { margin: 14px 0; font-size: 11px; line-height: 1.7; }
  .paper-footer { margin-top: 15px; }
  .paper-line { height: 3px; margin: 7px 0; }
  .lookup-card { right: 0; bottom: 8px; width: 72%; border-radius: 11px; }
  .lookup-top { min-height: 30px; padding: 3px 8px; font-size: 9px; }
  .mini-mark { width: 19px; height: 19px; }
  .lookup-top button { width: 25px; height: 25px; font-size: 19px; }
  .lookup-body { min-height: 125px; padding: 9px 12px 0; }
  .lookup-word { font-size: 24px; }
  .lookup-pos { font-size: 9px; }
  .lookup-meaning { margin: 8px 0 6px; font-size: 12px; }
  .lookup-card p { margin-bottom: 8px; font-size: 9px; line-height: 1.6; }
  .saved-note { padding-top: 7px; gap: 5px; font-size: 8px; }
  .lookup-close { width: calc(100% - 24px); min-height: 26px; margin: 8px 12px 9px; font-size: 9px; }
  .demo-controls { margin-top: 11px; padding-top: 8px; }
  .demo-controls button { min-height: 36px; gap: 6px; font-size: 10px; }
  .demo-status { margin-top: 8px; font-size: 9px; }
  .selection-note { right: 8px; bottom: 42px; padding: 10px 12px; font-size: 10px; }
  .review-reveal { margin: 10px 0; font-size: 10px; }
  .review-preview .review-kicker { margin-bottom: 7px; font-size: 8px; }
  .demo-review-answer strong { font-size: 11px; }
  h2 { font-size: 29px; }
  .section-intro > p:last-child, .library-copy > p, .getting-started > div > p:last-of-type, .download-copy > p { font-size: 13px; }
  .library-preview-layout { display: block; min-height: 0; }
  .library-preview-nav { display: none; }
  .library-preview-content { padding: 20px 16px; }
  .library-preview-row { gap: 6px; }
  .getting-started { padding: 27px 21px; }
  .download-panel { padding: 21px 19px; }
  .faq-list summary { font-size: 13px; }
  .site-footer { gap: 12px; }
}
@media (max-width: 350px) {
  .hero { gap: 14px; padding-top: 23px; padding-bottom: 27px; }
  .hero .eyebrow { margin-bottom: 11px; }
  h1 { margin-bottom: 14px; font-size: 37px; } html[lang="en"] h1 { font-size: 44px; }
  .hero-tagline { font-size: 13px; }
  .hero-lede { margin-bottom: 14px; font-size: 12px; line-height: 1.65; }
  .hero-actions .button { min-height: 37px; padding: 7px 10px; }
  .hero-requirement { margin: 10px 0 6px; font-size: 9px; }
  .reading-scene { min-height: 204px; padding: 6px 24px 10px 8px; }
  .paper-sheet { min-height: 190px; padding: 12px 14px; }
  .paper-title { margin: 14px 0 11px; font-size: 14px; }
  .paper-copy { margin: 12px 0; font-size: 9px; }
  .paper-footer { display: none; }
  .lookup-card { width: 74%; bottom: 5px; }
  .lookup-body { min-height: 104px; padding: 7px 10px 0; }
  .lookup-word { font-size: 21px; }
  .lookup-meaning { margin: 5px 0; font-size: 11px; }
  .lookup-card p { font-size: 8px; }
  .lookup-close { margin: 6px 12px 7px; min-height: 23px; }
  .saved-note { font-size: 7px; padding-top: 5px; }
  .demo-controls { margin-top: 7px; padding-top: 6px; }
  .demo-status { font-size: 8px; min-height: 27px; margin-top: 6px; }
  .library-preview-row { font-size: 9px; }
  .library-preview-row strong { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}