/*
 * CNBYDJ PE · Modern UI
 * Layout and appearance only. Original copy, assets and destination URLs remain.
 * No external fonts, framework, CDN or build step required.
 * Change the tokens below to adjust the entire site.
 */

/* 01 · Design tokens */
:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-soft: #f1f5fa;
  --surface-hover: #eaf0f8;
  --text: #172337;
  --heading: #102039;
  --muted: #627087;
  --faint: #8290a4;
  --border: #e3e9f1;
  --accent: #2463eb;
  --accent-hover: #1853d3;
  --accent-soft: #eaf1ff;
  --accent-text: #245bd2;
  --header-bg: rgb(255 255 255 / 91%);
  --hero-glow: #e6eeff;
  --notice-bg: #f0f5ff;
  --notice-border: #dce7fa;
  --shadow: 0 4px 20px rgb(23 45 80 / 3%);
  --shadow-hover: 0 16px 36px rgb(23 45 80 / 8%);
  --radius: 20px;
  --radius-sm: 12px;
  --shell: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1421;
  --surface: #141e2e;
  --surface-soft: #1a273a;
  --surface-hover: #23324a;
  --text: #ced8e8;
  --heading: #f0f5ff;
  --muted: #9aabc2;
  --faint: #8093ae;
  --border: #27364b;
  --accent: #5388ff;
  --accent-hover: #3874f7;
  --accent-soft: #1b3157;
  --accent-text: #94b7ff;
  --header-bg: rgb(13 20 33 / 93%);
  --hero-glow: #162b50;
  --notice-bg: #142741;
  --notice-border: #284264;
  --shadow: 0 4px 20px rgb(0 0 0 / 10%);
  --shadow-hover: 0 16px 36px rgb(0 0 0 / 20%);
}

/* 02 · Foundations */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
main { flex: 1; min-width: 0; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
h1, h2, h3, h4 { color: var(--heading); line-height: 1.4; font-weight: 700; }
a { color: var(--accent-text); text-decoration: none; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
button, input { font: inherit; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
button { color: inherit; }
svg { flex: 0 0 auto; }
::selection { color: var(--heading); background: var(--accent-soft); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 5px; }
[hidden] { display: none !important; }
.shell { width: min(var(--shell), calc(100% - 80px)); margin-inline: auto; }
.icon { width: 21px; height: 21px; vertical-align: middle; }
.icon-button { width: 42px; height: 42px; padding: 0; border: 1px solid transparent; border-radius: 12px; background: transparent; display: inline-flex; align-items: center; justify-content: center; transition: background .18s, color .18s, border-color .18s; }
.icon-button:hover { background: var(--surface-hover); color: var(--accent-text); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; min-height: 48px; padding: 11px 23px; border: 1px solid transparent; border-radius: 11px; font-size: 14px; font-weight: 600; line-height: 1.5; white-space: nowrap; transition: background .18s, color .18s, transform .18s, box-shadow .18s; }
.button .icon { width: 18px; height: 18px; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--accent); box-shadow: 0 4px 10px rgb(36 99 235 / 12%); }
.button-primary:hover { color: white; background: var(--accent-hover); box-shadow: 0 6px 15px rgb(36 99 235 / 22%); }
.button-secondary { color: var(--heading); background: var(--surface); border-color: var(--border); }
.button-secondary:hover { color: var(--accent-text); border-color: var(--accent); }
.button-subtle { color: var(--accent-text); background: var(--accent-soft); }
.button-subtle:hover { color: var(--accent-text); background: var(--surface-hover); }
.icon-tile { display: inline-flex; justify-content: center; align-items: center; width: 43px; height: 43px; flex: 0 0 auto; border-radius: 12px; color: var(--accent-text); background: var(--accent-soft); }
.icon-tile .icon { width: 21px; height: 21px; }
.panel { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 32px; box-shadow: var(--shadow); }
.prose { overflow-wrap: anywhere; }
.prose p { margin: 0 0 16px; line-height: 1.95; }
.prose p:last-child { margin-bottom: 0; }
.prose a { text-decoration: underline; }
.prose h2 { margin-bottom: 20px; font-size: 21px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 18px; border-radius: 10px; background: var(--surface); border: 2px solid var(--accent); }
.skip-link:focus { top: 14px; }
.reading-progress { position: fixed; top: 0; left: 0; width: 100%; height: 2px; background: var(--accent); transform-origin: left; transform: scaleX(0); z-index: 60; pointer-events: none; }

/* 03 · Shared header and navigation */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--header-bg); border-bottom: 1px solid var(--border); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 35px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; color: var(--heading); font-size: 17px; font-weight: 750; letter-spacing: -.4px; }
.brand:hover { color: var(--heading); }
.brand img { width: 39px; height: 39px; border: 1px solid rgb(16 32 57 / 6%); border-radius: 10px; }
.brand b, .footer-brand b { color: var(--accent); }
.site-nav { display: flex; align-items: center; justify-content: center; gap: 5px; margin-left: auto; }
.nav-link { display: inline-flex; align-items: center; justify-content: center; color: var(--muted); padding: 7px 16px; border-radius: 9px; font-size: 14px; font-weight: 550; line-height: 1.8; transition: background .18s, color .18s; white-space: nowrap; }
.nav-link:hover { color: var(--heading); background: var(--surface-soft); }
.nav-link.is-current { color: var(--accent-text); background: var(--accent-soft); }
.header-tools { display: flex; align-items: center; gap: 14px; }
.header-divider { width: 1px; height: 20px; background: var(--border); }
.header-version { font-family: var(--mono); color: var(--muted); font-size: 12px; white-space: nowrap; }
.theme-toggle { display: none; }
.js .theme-toggle { display: inline-flex; }
.theme-sun { display: none; }
html[data-theme="dark"] .theme-sun { display: block; }
html[data-theme="dark"] .theme-moon { display: none; }
.menu-toggle { display: none; }
.menu-close-icon { display: none; }

/* 04 · Home hero */
.hero { position: relative; overflow: hidden; background: var(--surface); border-bottom: 1px solid var(--border); }
.hero::before { position: absolute; inset: 0; content: ""; pointer-events: none; background: radial-gradient(ellipse at 77% 54%, var(--hero-glow), transparent 57%); opacity: .85; }
.hero-grid { position: relative; display: grid; grid-template-columns: .85fr 1.25fr; gap: 50px; align-items: center; min-height: 578px; padding-block: 52px 64px; }
.hero-copy { min-width: 0; }
.release-badge { display: inline-flex; align-items: center; gap: 10px; padding: 5px 11px; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); background: var(--surface); font-family: var(--mono); font-size: 11px; line-height: 1.8; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #1bb88a; flex: 0 0 auto; }
.badge-divider { height: 12px; width: 1px; background: var(--border); }
.hero h1 { font-family: var(--font); font-size: clamp(62px, 6.4vw, 91px); font-weight: 780; line-height: 1.05; letter-spacing: -5px; margin-top: 27px; margin-left: -4px; }
.hero h1 > span { display: block; color: var(--accent); }
.heading-dot { display: inline-block; height: 12px; width: 12px; background: var(--accent); border-radius: 3px; margin-left: 9px; }
.hero-tagline { max-width: 370px; margin-top: 20px; color: var(--muted); font-size: 19px; letter-spacing: .15px; line-height: 1.8; text-wrap: pretty; }
.hero-actions { display: flex; gap: 12px; margin-top: 26px; }
.hero-actions .button { min-width: 133px; min-height: 49px; }
.hero-meta { display: flex; align-items: center; gap: 11px; margin-top: 23px; color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: .2px; }
.hero-meta .icon { width: 15px; height: 15px; }
.meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }
.hero-visual { min-width: 0; position: relative; padding: 6px 0 13px; }
.orbit { position: absolute; border: 1px solid var(--border); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 570px; height: 570px; top: 50%; left: 54%; transform: translate(-50%, -50%); }
.orbit-two { width: 680px; height: 680px; top: 50%; left: 54%; transform: translate(-50%, -50%); opacity: .6; }
.desktop-frame { position: relative; padding: 0 7px 7px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: 0 28px 65px -23px rgb(33 69 136 / 27%), 0 0 0 6px rgb(255 255 255 / 36%); transform: rotate(-1.5deg); }
html[data-theme="dark"] .desktop-frame { box-shadow: 0 28px 65px -23px rgb(0 0 0 / 60%), 0 0 0 6px rgb(255 255 255 / 3%); }
.desktop-titlebar { height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 5px; color: var(--faint); font-size: 10px; line-height: 1; }
.desktop-titlebar > .icon { width: 12px; height: 12px; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { height: 5px; width: 5px; background: var(--border); border-radius: 50%; }
.window-dots i:nth-child(1) { background: #f4a2a1; }
.window-dots i:nth-child(2) { background: #ead398; }
.window-dots i:nth-child(3) { background: #9bcfb9; }
.hero-picture { border-radius: 7px; overflow: hidden; }
.hero-picture img { width: 100%; }
.visual-label { position: relative; display: flex; align-items: center; gap: 9px; margin: 22px 12px 0; color: var(--muted); font-size: 11px; letter-spacing: .4px; }
.visual-label .icon { width: 15px; height: 15px; color: var(--accent-text); }
.visual-version { margin-left: auto; font-family: var(--mono); }
.quick-nav { display: flex; justify-content: space-between; align-items: center; min-height: 75px; gap: 18px; border-bottom: 1px solid var(--border); }
.quick-nav a { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; line-height: 1.6; padding-block: 12px; }
.quick-nav a:hover { color: var(--accent-text); }
.quick-nav .icon { width: 16px; height: 16px; }

/* 05 · Sections, screenshots and compatibility */
.section { padding-top: 66px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 26px; }
.section-heading h2 { font-size: 27px; display: flex; align-items: center; gap: 14px; letter-spacing: -.7px; }
.section-heading > .icon { width: 23px; height: 23px; color: var(--faint); }
.section-number { font-size: 11px; font-weight: 500; letter-spacing: .2px; font-family: var(--mono); color: var(--accent-text); align-self: center; padding-top: 3px; }
.screenshots-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.picture { min-width: 0; }
.image-link { position: relative; display: block; color: white; overflow: hidden; }
.image-link img { transition: transform .4s ease; }
.image-link:hover img { transform: scale(1.012); }
.zoom-hint { position: absolute; display: inline-flex; align-items: center; justify-content: center; bottom: 13px; right: 13px; height: 33px; width: 33px; border: 1px solid rgb(255 255 255 / 30%); border-radius: 9px; background: rgb(16 30 48 / 58%); backdrop-filter: blur(8px); color: white; opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s; }
.zoom-hint .icon { width: 16px; height: 16px; }
.image-link:hover .zoom-hint, .image-link:focus-visible .zoom-hint { opacity: 1; transform: translateY(0); }
.screenshot-card { padding: 8px 8px 0; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s; }
.screenshot-card:hover { border-color: var(--faint); box-shadow: var(--shadow-hover); }
.screenshot-card .image-link { border-radius: 10px; }
.screenshot-card img { width: 100%; }
.screenshot-card figcaption { display: flex; align-items: center; min-height: 62px; padding: 15px 13px 17px; color: var(--text); font-size: 13px; line-height: 1.7; }
.compatibility { margin-top: 48px; padding: 27px 30px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.compat-heading { display: flex; align-items: center; gap: 12px; }
.compat-heading h2 { font-size: 18px; }
.compat-heading .icon-tile { height: 34px; width: 34px; border-radius: 9px; }
.compat-heading .icon { height: 18px; width: 18px; }
.platform-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 23px; }
.platform { display: flex; align-items: flex-start; gap: 12px; background: var(--surface-soft); padding: 17px 15px; border-radius: 10px; }
.platform .icon { margin-top: 2px; color: var(--muted); width: 18px; height: 18px; }
.platform p { font-size: 13px; color: var(--heading); line-height: 1.8; }
.compat-notes { margin-top: 20px; padding-top: 17px; border-top: 1px solid var(--border); display: flex; align-items: flex-start; gap: 10px; color: var(--muted); }
.compat-notes .icon { margin-top: 4px; width: 15px; height: 15px; }
.compat-notes p { font-size: 12px; line-height: 1.95; }

/* 06 · Changelog and documentation blocks */
.changelog-layout { display: grid; grid-template-columns: 232px minmax(0,1fr); gap: 52px; align-items: start; }
.changelog-aside { position: sticky; top: 110px; }
.changelog-aside .section-heading { margin-bottom: 28px; }
.version-nav { display: flex; flex-direction: column; gap: 5px; padding-left: 26px; }
.version-nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-radius: 9px; padding: 6px 14px; color: var(--muted); font-family: var(--mono); font-size: 12px; }
.version-nav .icon { width: 14px; height: 14px; opacity: 0; }
.version-nav a:hover, .version-nav a.is-active { color: var(--accent-text); background: var(--accent-soft); }
.version-nav a.is-active .icon, .version-nav a:hover .icon { opacity: 1; }
.release-list { display: flex; flex-direction: column; gap: 18px; }
.release-card { border: 1px solid var(--border); border-radius: 16px; background: var(--surface); overflow: hidden; scroll-margin-top: 110px; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.release-card summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 22px 27px; }
.release-card summary:hover { background: var(--surface-soft); }
.release-card summary h3 { font-size: 19px; line-height: 1.7; }
.release-date { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 12px; vertical-align: middle; }
.release-card summary > .icon { width: 16px; height: 16px; color: var(--faint); transition: transform .2s; }
.release-card[open] summary > .icon { transform: rotate(180deg); }
.release-body { margin: 0 27px; padding: 18px 0 23px; border-top: 1px solid var(--border); }
.release-body p { margin-bottom: 8px; color: var(--text); font-size: 14px; line-height: 1.95; overflow-wrap: anywhere; }
.release-body p:last-child { margin-bottom: 0; }
.release-latest { border-color: var(--notice-border); box-shadow: var(--shadow); }
.release-latest summary { background: var(--accent-soft); }
.release-latest summary h3 { color: var(--accent-text); }
.release-latest[open] .release-body { border-top: 0; }
.section-lead { color: var(--muted); font-size: 15px; }
.version-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px 24px; margin-block: 25px 28px; }
.version-item { display: flex; align-items: center; gap: 11px; min-width: 0; }
.version-item p { font-size: 12px; line-height: 1.8; }
.version-swatch { flex: 0 0 auto; width: 25px; height: 25px; border: 3px solid var(--surface); outline: 1px solid var(--border); border-radius: 50%; }
.swatch-green { background: #73a759; }
.swatch-pink { background: #e9aec4; }
.swatch-white { background: #eeeef1; }
.swatch-blue { background: #76a7e6; }
.swatch-purple { background: #ad8ed2; }
.swatch-yellow { background: #f0d278; }
.swatch-red { background: #e88985; }
.swatch-mix { background: linear-gradient(135deg,#75a6d5 48%,#7bba81 50%); }
.swatch-house { background: url('../images/header.jpg') center / cover; }
.version-footnotes { padding-top: 23px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.policies { padding-bottom: 80px; }
.policy-grid { display: grid; grid-template-columns: 1.65fr 1fr; gap: 24px; }
.policy-grid h2 { font-size: 20px; margin-top: 19px; margin-bottom: 18px; }
.policy-grid p { color: var(--muted); font-size: 13px; line-height: 1.95; }
.author-panel { background: var(--surface-soft); }
.author-name { display: inline-flex; font-size: 32px; color: var(--heading); font-weight: 750; letter-spacing: -1px; line-height: 1.5; margin-top: 9px; }
.disclaimer-panel { grid-column: 1/-1; }
.disclaimer-heading { display: flex; gap: 13px; align-items: center; margin-bottom: 20px; }
.disclaimer-heading h2 { margin: 0; }
.disclaimer-panel p { position: relative; padding-left: 15px; }
.disclaimer-panel p::before { content: ""; position: absolute; left: 0; top: 11px; height: 4px; width: 4px; background: var(--faint); border-radius: 50%; }

/* 07 · Subpage title system */
.page-intro { padding-top: 29px; }
.breadcrumb { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 11px; line-height: 1.8; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-text); }
.breadcrumb > [aria-hidden] { color: var(--faint); }
.breadcrumb [aria-current] { color: var(--text); }
.page-title-row { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 220px; padding-block: 30px 39px; border-bottom: 1px solid var(--border); }
.page-title-row > div:not(.page-watermark) { position: relative; z-index: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 11px; color: var(--accent-text); font-family: var(--mono); font-size: 10px; line-height: 1.5; letter-spacing: 1px; }
.eyebrow > span { color: var(--faint); }
.eyebrow .icon { width: 14px; height: 14px; }
.page-title-row h1 { margin-top: 12px; color: var(--heading); font-size: clamp(32px,3.6vw,49px); letter-spacing: -1.8px; line-height: 1.4; }
.page-watermark { position: absolute; top: 24px; right: 3px; z-index: 0; opacity: .055; transform: rotate(-8deg); pointer-events: none; color: var(--accent); }
.page-watermark > .icon { width: 162px; height: 162px; stroke-width: 1; }
.page-title-row .version-pill { z-index: 1; }
.section-content { padding-top: 35px; padding-bottom: 80px; }

/* 08 · Downloads and help */
.version-pill { display: inline-flex; align-items: center; gap: 9px; padding: 8px 13px; border: 1px solid var(--notice-border); border-radius: 8px; background: var(--surface); color: var(--accent-text); font-size: 12px; white-space: nowrap; }
.download-section { padding-bottom: 100px; }
.download-utilities { display: flex; align-items: center; gap: 12px; padding-block: 28px 31px; }
.download-utilities .button { min-height: 39px; padding: 8px 13px; border-radius: 8px; gap: 14px; font-size: 12px; }
.download-utilities .icon { width: 15px; height: 15px; }
.download-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; }
.download-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 28px 25px 25px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: box-shadow .2s, transform .2s, border-color .2s; }
.download-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.cloud-logo { display: flex; align-items: center; justify-content: center; width: 72px; height: 72px; padding: 10px; margin-bottom: 29px; border-radius: 17px; background: #f5f7fb; border: 1px solid #edf0f5; }
.cloud-logo img { max-width: 52px; max-height: 52px; width: auto; height: auto; object-fit: contain; }
.cloud-0 { background: #f0f6ff; }
.cloud-1 { background: #eef8fe; }
.cloud-2 { background: #f6f8f4; }
.cloud-3 { background: #eff6ff; }
.download-card h2 { font-size: 21px; letter-spacing: -.4px; }
.download-card-line { height: 1px; width: 100%; background: var(--border); margin-block: 24px; }
.download-card .button { width: 100%; justify-content: space-between; padding-inline: 16px; min-height: 44px; font-size: 13px; border-radius: 9px; }
.help-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
.help-card { overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); transition: box-shadow .2s, border-color .2s; }
.help-card:hover { box-shadow: var(--shadow-hover); border-color: var(--faint); }
.help-image { display: block; padding: 22px 22px 0; background: var(--surface-soft); border-bottom: 1px solid var(--border); }
.help-image img { width: 100%; border-radius: 10px 10px 0 0; }
.help-card-body { padding: 26px 28px 28px; position: relative; }
.help-card-body .icon-tile { width: 35px; height: 35px; margin-bottom: 15px; }
.help-card h2 { font-size: 23px; margin-bottom: 22px; letter-spacing: -.5px; }
.help-card .button { min-height: 40px; font-size: 12px; padding: 8px 14px; gap: 32px; }

/* 09 · About and feedback */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; padding-bottom: 0; }
.about-card { min-width: 0; }
.about-card-heading { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.about-card h2 { font-size: 20px; margin-bottom: 0; }
.about-card p { font-size: 14px; color: var(--muted); }
.about-logo { float: right; width: 78px; height: 78px; border-radius: 16px; margin: 3px 0 15px 19px; }
.about-card-1 { background: var(--surface-soft); }
.about-card .donation-note { display: inline-block; border: 1px solid var(--border); padding: 8px 13px; background: var(--surface); border-radius: 8px; color: var(--text); font-size: 12px; margin-top: 8px; }
.about-page #answer { padding-bottom: 80px; }
.faq-list { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.faq-item + .faq-item { border-top: 1px solid var(--border); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 23px 28px; }
.faq-item summary:hover { background: var(--surface-soft); }
.faq-item h3 { font-size: 16px; }
.faq-item summary .icon { width: 17px; height: 17px; color: var(--muted); transition: transform .2s; }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-item .prose { padding: 0 28px 25px; font-size: 14px; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: .95fr 1.2fr; grid-template-areas: 'email community' 'coolapk community'; align-items: start; gap: 24px; }
.email-card { grid-area: email; }
.coolapk-card { grid-area: coolapk; }
.community-card { grid-area: community; }
.contact-card { position: relative; }
.contact-card h2 { font-size: 18px; margin-block: 20px 6px; line-height: 1.8; overflow-wrap: anywhere; }
.contact-value { display: block; color: var(--accent-text); font-family: var(--mono); font-size: clamp(16px,1.6vw,22px); font-weight: 500; margin-top: 10px; }
.contact-copy { position: absolute; right: 24px; top: 31px; }
.coolapk-card p { margin-top: 20px; font-size: 14px; color: var(--muted); }
.community-card h2 { font-size: 18px; margin-top: 18px; line-height: 1.9; }
.community-card > p { font-size: 14px; color: var(--muted); }
.qr-picture { max-width: 210px; margin: 22px auto 26px; padding: 7px; border: 1px solid var(--border); border-radius: 14px; background: #fff; }
.qr-picture .image-link { border-radius: 8px; }
.qr-picture img { width: 100%; }
.community-card .community-disclaimer { font-size: 12px; padding-top: 22px; border-top: 1px solid var(--border); line-height: 1.95; }

/* 10 · Tutorials */
.guide-page .page-title-row h1 { font-size: clamp(28px,3.3vw,44px); }
.guide-layout { display: grid; grid-template-columns: 214px minmax(0,1fr); gap: 40px; align-items: start; }
.guide-aside { position: sticky; top: 110px; }
.guide-toc { display: flex; flex-direction: column; gap: 7px; padding-right: 17px; border-right: 1px solid var(--border); }
.guide-toc a { display: flex; align-items: center; gap: 12px; color: var(--muted); border-radius: 9px; padding: 10px 13px; font-size: 13px; line-height: 1.8; }
.guide-toc a > .icon { width: 14px; height: 14px; margin-left: auto; }
.guide-toc a:hover, .guide-toc a.is-active { color: var(--accent-text); background: var(--accent-soft); }
.toc-number { font-family: var(--mono); font-size: 10px; }
.guide-main { min-width: 0; }
.notice { display: flex; align-items: flex-start; gap: 13px; border: 1px solid var(--notice-border); background: var(--notice-bg); border-radius: 14px; padding: 23px 25px; margin-bottom: 27px; color: var(--text); }
.notice > .icon, .notice-icon { color: var(--accent-text); flex: 0 0 auto; margin-top: 2px; }
.notice p { font-size: 13px; line-height: 1.95; }
.driver-notice .prose p:first-child { color: var(--heading); font-weight: 650; font-size: 15px; margin-bottom: 11px; }
.guide-step + .guide-step { margin-top: 26px; }
.guide-step h2 { font-size: 24px; margin-bottom: 23px; }
.step-heading { display: flex; align-items: center; gap: 13px; margin-bottom: 23px; }
.step-heading h2 { margin-bottom: 0; }
.step-number { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border: 1px solid var(--notice-border); background: var(--accent-soft); color: var(--accent-text); border-radius: 9px; font-family: var(--mono); font-size: 12px; }
.guide-step .prose p { font-size: 14px; color: var(--text); }
.tutorial-picture { margin-block: 24px; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-soft); }
.tutorial-picture .image-link { border-radius: 6px; }
.tutorial-picture img { margin-inline: auto; width: auto; max-width: 100%; }
.prose > .tutorial-picture:last-child { margin-bottom: 0; }

/* 11 · Wallpapers and file hashes */
.wallpaper-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 25px; }
.wallpaper-card { border: 1px solid var(--border); border-radius: 15px; padding: 7px 7px 0; background: var(--surface); transition: box-shadow .2s; overflow: hidden; }
.wallpaper-card:hover { box-shadow: var(--shadow-hover); }
.wallpaper-card .image-link { border-radius: 9px; }
.wallpaper-card img { width: 100%; }
.wallpaper-card figcaption { padding: 14px 10px; color: var(--text); font-family: var(--mono); font-size: 12px; }
.checksum-list { display: flex; flex-direction: column; gap: 23px; }
.checksum-card { padding: 28px 32px; }
.checksum-heading { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.checksum-heading .icon-tile { width: 35px; height: 35px; border-radius: 10px; }
.checksum-heading h2 { font-size: 17px; line-height: 1.9; font-weight: 650; overflow-wrap: anywhere; }
.hash-list { border: 1px solid var(--border); border-radius: 11px; overflow: hidden; }
.hash-row { display: grid; grid-template-columns: 105px minmax(0,1fr); background: var(--surface-soft); }
.hash-row + .hash-row { border-top: 1px solid var(--border); }
.hash-row dt { padding: 16px 19px; color: var(--muted); font-family: var(--mono); font-size: 12px; border-right: 1px solid var(--border); }
.hash-row dd { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 7px 12px 7px 21px; min-width: 0; }
.hash-row code { color: var(--text); font-family: var(--mono); font-size: 13px; letter-spacing: .3px; line-height: 1.9; overflow-wrap: anywhere; min-width: 0; user-select: all; }
.copy-button { flex: 0 0 auto; border-color: var(--border); background: var(--surface); border-radius: 8px; width: 33px; height: 33px; }
.copy-button .icon { width: 15px; height: 15px; }
.copy-button.is-copied { color: var(--accent-text); background: var(--accent-soft); border-color: var(--notice-border); }

/* 12 · Footer and accessible interaction layers */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: auto; }
.footer-inner { min-height: 102px; display: flex; align-items: center; gap: 16px; }
.footer-brand { color: var(--heading); font-size: 13px; font-weight: 750; letter-spacing: -.3px; }
.footer-version { color: var(--faint); font-family: var(--mono); font-size: 10px; border-left: 1px solid var(--border); padding-left: 16px; }
.site-footer nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-footer nav a { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); font-size: 11px; }
.site-footer nav a:hover { color: var(--accent-text); }
.site-footer nav .icon { height: 12px; width: 12px; }
.back-top { position: fixed; bottom: 27px; right: 26px; z-index: 30; background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-hover); width: 42px; height: 42px; border-radius: 12px; }
.lightbox:not([open]) { display: none; }
.lightbox[open] { display: flex; flex-direction: column; }
.lightbox { position: fixed; inset: 0; margin: auto; padding: 0; width: min(1500px, 96vw); height: min(940px, 94dvh); max-width: 96vw; max-height: 94dvh; background: #101722; color: #f3f6fc; border: 1px solid rgb(255 255 255 / 14%); border-radius: 18px; box-shadow: 0 30px 100px rgb(0 0 0 / 35%); }
.lightbox::backdrop { background: rgb(7 14 25 / 86%); backdrop-filter: blur(10px); }
.lightbox-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 20px; border-bottom: 1px solid rgb(255 255 255 / 12%); }
.lightbox-caption { color: #d0dbea; font-size: 12px; line-height: 1.8; }
.lightbox-actions { display: flex; align-items: center; gap: 15px; flex: 0 0 auto; }
.lightbox-counter { color: #a7b9cf; font-family: var(--mono); font-size: 11px; }
.lightbox .icon-button { color: #e1eafa; background: rgb(255 255 255 / 5%); border-color: rgb(255 255 255 / 8%); }
.lightbox .icon-button:hover { background: rgb(255 255 255 / 15%); }
.lightbox-stage { position: relative; flex: 1; min-height: 0; padding: 20px 64px; display: flex; align-items: center; justify-content: center; }
.lightbox-image { width: auto; height: auto; max-height: 100%; max-width: 100%; object-fit: contain; }
.lightbox-prev, .lightbox-next { position: absolute; z-index: 1; top: calc(50% - 21px); }
.lightbox-prev { left: 11px; }
.lightbox-next { right: 11px; }
body.lightbox-open { overflow: hidden; }
.toast { position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 18px); z-index: 80; padding: 11px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--heading); color: var(--surface); box-shadow: var(--shadow-hover); font-size: 13px; text-align: center; max-width: calc(100% - 36px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.is-visible { opacity: 1; transform: translate(-50%,0); }

/* 13 · Responsive layouts. Essential copy is never clipped or hidden. */
@media (min-width: 1500px) {
  .hero-grid { min-height: 615px; }
}
@media (max-width: 1120px) {
  .shell { width: calc(100% - 56px); }
  .header-inner { gap: 22px; }
  .nav-link { padding-inline: 11px; }
  .header-tools { gap: 9px; }
  .header-version, .header-divider { display: none; }
  .hero-grid { gap: 32px; min-height: 535px; }
  .hero h1 { font-size: 76px; }
  .hero-tagline { font-size: 17px; }
  .orbit-one { width: 460px; height: 460px; }
  .orbit-two { width: 560px; height: 560px; }
  .download-grid { gap: 16px; }
  .download-card { padding: 25px 18px 20px; }
  .download-card h2 { font-size: 19px; }
  .changelog-layout { grid-template-columns: 195px minmax(0,1fr); gap: 32px; }
  .release-date { display: block; margin-left: 0; }
  .guide-layout { grid-template-columns: 183px minmax(0,1fr); gap: 26px; }
}
@media (max-width: 820px) {
  .shell { width: calc(100% - 44px); }
  .header-inner { gap: 15px; min-height: 72px; }
  .brand { font-size: 15px; gap: 8px; }
  .brand img { width: 34px; height: 34px; }
  .nav-link { padding-inline: 8px; font-size: 12px; }
  .site-nav { gap: 2px; }
  .header-tools { gap: 0; }
  .hero-grid { grid-template-columns: 1fr 1.1fr; gap: 24px; min-height: 475px; padding-block: 42px; }
  .hero h1 { font-size: 65px; letter-spacing: -4px; }
  .hero-tagline { font-size: 15px; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { min-width: 105px; padding-inline: 17px; gap: 18px; min-height: 44px; font-size: 13px; }
  .release-badge { font-size: 10px; gap: 8px; }
  .quick-nav { gap: 12px; min-height: 65px; }
  .quick-nav a { font-size: 10px; gap: 6px; }
  .quick-nav .icon { width: 14px; height: 14px; }
  .screenshots-grid { gap: 17px; }
  .section { padding-top: 48px; }
  .section-heading h2 { font-size: 24px; }
  .platform-grid { grid-template-columns: 1fr; gap: 8px; }
  .platform { padding-block: 12px; }
  .panel { padding: 25px; }
  .changelog-layout { grid-template-columns: 165px minmax(0,1fr); gap: 24px; }
  .version-nav { padding-left: 14px; }
  .version-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .release-card summary { padding: 19px 21px; }
  .release-body { margin-inline: 21px; }
  .release-card summary h3 { font-size: 18px; }
  .release-body p { font-size: 13px; }
  .policy-grid { grid-template-columns: 1.4fr 1fr; gap: 18px; }
  .download-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
  .download-card { padding: 28px; }
  .download-card h2 { font-size: 22px; }
  .page-title-row { min-height: 190px; }
  .page-title-row h1 { font-size: 38px; }
  .help-grid { gap: 20px; }
  .help-card-body { padding: 22px; }
  .help-card h2 { font-size: 19px; }
  .help-image { padding: 16px 16px 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-card h2 { font-size: 20px; }
  .contact-grid { gap: 20px; grid-template-columns: .95fr 1.1fr; }
  .community-card h2 { font-size: 16px; }
  .qr-picture { max-width: 170px; }
  .guide-layout { grid-template-columns: 1fr; gap: 24px; }
  .guide-aside { position: static; }
  .guide-toc { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--border); padding: 0 0 18px; gap: 7px; }
  .guide-toc a { padding: 8px 11px; gap: 8px; }
  .guide-toc a > .icon { display: none; }
  .wallpaper-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
  .checksum-card { padding: 25px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 90px; }
  .shell { width: calc(100% - 36px); }
  .header-inner { min-height: 66px; justify-content: space-between; position: relative; gap: 12px; flex-wrap: wrap; }
  .brand { font-size: 15px; gap: 9px; }
  .brand img { height: 33px; width: 33px; border-radius: 9px; }
  .header-tools { margin-left: auto; gap: 3px; }
  .header-tools .icon-button { width: 36px; height: 36px; }
  .header-tools .icon { width: 19px; height: 19px; }
  .js .menu-toggle { display: inline-flex; }
  .site-nav { width: 100%; display: flex; flex-wrap: wrap; order: 3; margin: 0; padding-bottom: 12px; gap: 6px; justify-content: flex-start; }
  .site-nav .nav-link { font-size: 13px; padding: 8px 15px; }
  .js .site-nav { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0; padding: 10px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-hover); }
  .js .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
  .js .site-nav .nav-link { justify-content: flex-start; padding: 10px 14px; }
  .menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; padding-top: 35px; padding-bottom: 29px; min-height: 0; }
  .hero h1 { font-size: clamp(63px,15.8vw,89px); line-height: 1; letter-spacing: -4px; margin-top: 23px; }
  .hero h1 > span { display: inline; }
  .heading-dot { height: 8px; width: 8px; border-radius: 2px; margin-left: 5px; }
  .hero-tagline { font-size: 16px; margin-top: 20px; max-width: none; }
  .release-badge { font-size: 10px; }
  .hero-actions { margin-top: 23px; gap: 11px; }
  .hero-actions .button { min-width: 128px; min-height: 46px; font-size: 13px; gap: 27px; }
  .hero-meta { margin-top: 21px; }
  .hero-visual { padding: 0 6px; }
  .desktop-frame { transform: rotate(-1deg); border-radius: 12px; padding: 0 5px 5px; }
  .desktop-titlebar { height: 29px; font-size: 8px; }
  .window-dots i { width: 4px; height: 4px; }
  .visual-label { margin-top: 17px; margin-inline: 6px; font-size: 9px; }
  .visual-label .icon { height: 13px; width: 13px; }
  .orbit-one { height: 400px; width: 400px; }
  .orbit-two { height: 470px; width: 470px; }
  .quick-nav { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0 15px; padding-block: 12px; }
  .quick-nav a { gap: 8px; font-size: 11px; padding-block: 8px; }
  .section { padding-top: 39px; }
  .section-heading { margin-bottom: 21px; }
  .section-heading h2 { font-size: 23px; gap: 10px; letter-spacing: -.6px; }
  .section-number { font-size: 10px; }
  .section-heading > .icon { width: 20px; height: 20px; }
  .screenshots-grid { grid-template-columns: 1fr; gap: 18px; }
  .screenshot-card { border-radius: 14px; padding: 6px 6px 0; }
  .screenshot-card figcaption { font-size: 12px; min-height: 53px; padding: 13px 10px 15px; }
  .zoom-hint { width: 28px; height: 28px; right: 9px; bottom: 9px; opacity: 1; transform: none; }
  .zoom-hint .icon { width: 13px; height: 13px; }
  .compatibility { margin-top: 27px; padding: 21px 18px; border-radius: 15px; }
  .compat-heading { gap: 10px; }
  .compat-heading h2 { font-size: 15px; }
  .compat-heading .icon-tile { width: 29px; height: 29px; }
  .platform-grid { margin-top: 18px; }
  .platform p { font-size: 12px; }
  .compat-notes { gap: 8px; }
  .compat-notes p { font-size: 11px; }
  .changelog-layout { grid-template-columns: 1fr; gap: 22px; }
  .changelog-aside { position: static; }
  .changelog-aside .section-heading { margin-bottom: 18px; }
  .version-nav { flex-direction: row; flex-wrap: wrap; gap: 7px; padding-left: 0; }
  .version-nav a { padding: 5px 10px; border: 1px solid var(--border); background: var(--surface); font-size: 10px; border-radius: 7px; }
  .version-nav a .icon { display: none; }
  .version-nav a.is-active { border-color: var(--notice-border); }
  .release-list { gap: 15px; }
  .release-card { border-radius: 13px; }
  .release-card summary { padding: 18px 19px; }
  .release-card summary h3 { font-size: 18px; }
  .release-date { font-size: 10px; margin-top: 3px; }
  .release-body { margin-inline: 19px; padding-block: 15px 20px; }
  .release-body p { font-size: 12px; line-height: 1.95; margin-bottom: 9px; }
  .panel { padding: 22px 20px; border-radius: 15px; }
  .section-lead { font-size: 13px; }
  .version-grid { grid-template-columns: 1fr; gap: 14px; margin-block: 23px; }
  .version-item p { font-size: 12px; }
  .version-footnotes { font-size: 12px; }
  .policy-grid { grid-template-columns: 1fr; gap: 17px; }
  .policy-grid h2 { font-size: 19px; }
  .policy-grid p { font-size: 12px; }
  .disclaimer-heading { align-items: flex-start; }
  .disclaimer-heading h2 { font-size: 17px; padding-top: 7px; }
  .policies { padding-bottom: 46px; }
  .page-intro { padding-top: 22px; }
  .breadcrumb { font-size: 10px; gap: 8px; }
  .page-title-row { min-height: 175px; padding-block: 29px 31px; gap: 14px; flex-wrap: wrap; }
  .page-title-row h1 { font-size: 34px; letter-spacing: -1px; }
  .eyebrow { font-size: 9px; }
  .page-watermark { right: 0; top: 25px; }
  .page-watermark > .icon { width: 120px; height: 120px; }
  .version-pill { font-size: 10px; padding: 5px 9px; }
  .download-page .page-title-row { flex-direction: column; align-items: flex-start; gap: 15px; }
  .download-utilities { padding-block: 22px 24px; gap: 9px; }
  .download-utilities .button { font-size: 11px; padding-inline: 11px; min-height: 36px; }
  .download-grid { grid-template-columns: 1fr; gap: 17px; }
  .download-card { display: grid; grid-template-columns: 56px minmax(0,1fr); align-items: center; gap: 0 16px; padding: 22px; border-radius: 15px; }
  .cloud-logo { width: 56px; height: 56px; border-radius: 13px; padding: 8px; margin-bottom: 0; }
  .cloud-logo img { max-width: 41px; max-height: 41px; }
  .download-card h2 { font-size: 20px; }
  .download-card-line { grid-column: 1/-1; margin-block: 20px; }
  .download-card .button { grid-column: 1/-1; font-size: 12px; min-height: 44px; }
  .download-section { padding-bottom: 46px; }
  .section-content { padding-top: 25px; padding-bottom: 46px; }
  .help-grid { grid-template-columns: 1fr; gap: 21px; }
  .help-card { border-radius: 15px; }
  .help-card-body { padding: 22px; }
  .help-card h2 { font-size: 21px; }
  .about-grid { padding-bottom: 0; gap: 19px; }
  .about-card-heading { gap: 11px; margin-bottom: 19px; }
  .about-card h2 { font-size: 18px; }
  .about-card p { font-size: 13px; }
  .about-logo { width: 65px; height: 65px; border-radius: 12px; margin-left: 15px; }
  .about-page #answer { padding-bottom: 46px; }
  .faq-item summary { padding: 20px; gap: 12px; }
  .faq-item h3 { font-size: 14px; }
  .faq-item .prose { padding: 0 20px 21px; font-size: 12px; }
  .contact-grid { grid-template-columns: 1fr; grid-template-areas: 'email' 'community' 'coolapk'; gap: 18px; }
  .contact-card h2 { font-size: 16px; }
  .contact-value { font-size: 20px; }
  .community-card h2 { font-size: 16px; }
  .community-card > p, .coolapk-card p { font-size: 13px; }
  .community-card .community-disclaimer { font-size: 11px; }
  .qr-picture { max-width: 180px; }
  .guide-page .page-title-row h1 { font-size: 29px; letter-spacing: -.8px; }
  .guide-toc { gap: 6px; padding-bottom: 15px; }
  .guide-toc a { font-size: 11px; padding: 7px 9px; gap: 6px; }
  .guide-layout { gap: 19px; }
  .notice { gap: 9px; padding: 18px 17px; border-radius: 12px; }
  .notice p, .driver-notice .prose p { font-size: 12px; }
  .notice .icon { width: 17px; height: 17px; }
  .driver-notice .prose p:first-child { font-size: 14px; }
  .guide-step { padding: 21px 17px; }
  .guide-step h2 { font-size: 22px; }
  .step-number { width: 29px; height: 29px; font-size: 11px; }
  .guide-step .prose p { font-size: 13px; }
  .tutorial-picture { padding: 6px; margin-block: 18px; border-radius: 9px; }
  .wallpaper-grid { grid-template-columns: 1fr; gap: 19px; }
  .wallpaper-page .page-title-row h1 { font-size: 29px; }
  .checksum-card { padding: 21px 16px; }
  .checksum-heading { gap: 10px; margin-bottom: 18px; }
  .checksum-heading .icon-tile { width: 28px; height: 28px; border-radius: 8px; }
  .checksum-heading .icon-tile .icon { width: 17px; height: 17px; }
  .checksum-heading h2 { font-size: 14px; line-height: 1.85; }
  .hash-row { grid-template-columns: 65px minmax(0,1fr); }
  .hash-row dt { padding: 16px 10px; font-size: 10px; }
  .hash-row dd { padding: 10px; gap: 7px; }
  .hash-row code { font-size: 11px; letter-spacing: 0; }
  .hash-row .copy-button { width: 29px; height: 29px; border-radius: 7px; }
  .hash-row .copy-button .icon { width: 13px; height: 13px; }
  .footer-inner { flex-wrap: wrap; min-height: 117px; gap: 10px 13px; padding-block: 24px; }
  .footer-brand { font-size: 12px; }
  .footer-version { font-size: 9px; padding-left: 12px; }
  .site-footer nav { flex-basis: 100%; margin-left: 0; gap: 23px; }
  .site-footer nav a { font-size: 10px; }
  .back-top { width: 37px; height: 37px; bottom: 18px; right: 15px; }
  .back-top .icon { width: 17px; height: 17px; }
  .lightbox { border-radius: 12px; height: 90dvh; max-height: 90dvh; }
  .lightbox-toolbar { padding: 10px 12px; gap: 8px; }
  .lightbox-caption { font-size: 10px; }
  .lightbox-actions { gap: 8px; }
  .lightbox-counter { font-size: 10px; }
  .lightbox-close { width: 32px; height: 32px; }
  .lightbox-stage { padding: 12px 8px 54px; }
  .lightbox-prev, .lightbox-next { top: auto; bottom: 8px; width: 35px; height: 35px; }
  .lightbox-prev { left: calc(50% - 43px); }
  .lightbox-next { right: calc(50% - 43px); }
}
@media (max-width: 359px) {
  .hero h1 { font-size: 55px; letter-spacing: -3.5px; }
  .hero-tagline { font-size: 14px; }
  .quick-nav a { font-size: 10px; gap: 6px; }
  .contact-value { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .image-link:hover img, .button:hover, .download-card:hover { transform: none; }
}
@media print {
  :root, html[data-theme="dark"] { color-scheme: light; --bg: #fff; --surface: #fff; --text: #222; --heading: #000; --muted: #444; --border: #ccc; }
  .site-header, .quick-nav, .back-top, .site-footer, .reading-progress, .guide-aside, .changelog-aside, .copy-button, .zoom-hint, .lightbox, .toast { display: none !important; }
  .shell { width: 100%; }
  .changelog-layout, .guide-layout { display: block; }
  .hero-grid { min-height: 0; }
  .panel, .release-card, .picture { box-shadow: none; break-inside: avoid; }
  .hero-visual { display: none; }
  .hero-grid { display: block; padding: 20px 0; }
}