/* Brclio Design System landing template, adapted for the desktop download page.
   © 2026 Brclio · CC BY-NC-SA 4.0 */
:root {
  --_brclio-ds: "brclio-v1";
  --blue: #2b7fd8;
  --blue-deep: #1e5ba8;
  --yellow: #f4d758;
  --red: #e84a5f;
  --cream: #fefcf6;
  --cream-dark: #faf6eb;
  --ink: #1a1a2e;
  --ink-light: #4a4a5a;
  --ink-faint: #6b6a73;
  --line: #deddd5;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Fraunces", Georgia, serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--cream); font: 15px/1.8 var(--sans); }
h1, h2, h3, p, figure { margin: 0; }
a { color: inherit; text-underline-offset: 5px; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
svg { width: 22px; height: 22px; flex-shrink: 0; }
::selection { background: var(--yellow); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 5px; }
.svg-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(1240px, calc(100% - 96px)); margin: 0 auto; }
.section { padding: clamp(72px, 8vw, 112px) 0; }
.skip-link { position: fixed; left: 20px; top: -80px; z-index: 200; padding: 12px 24px; background: var(--yellow); font-weight: 700; }
.skip-link:focus { top: 10px; }
.app-header { position: sticky; top: 0; z-index: 50; background: var(--cream); border-bottom: 1px solid var(--line); }
.app-header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; flex-shrink: 0; }
.brand img { border-radius: 50%; border: 1px solid var(--ink); box-shadow: 2px 2px 0 var(--blue); }
.brand-copy { display: grid; }
.brand-copy strong { font: 900 16px/1.5 var(--serif); letter-spacing: -.02em; }
.brand-copy small { color: var(--ink-faint); font: 600 9px/1.7 var(--display); letter-spacing: .16em; }
.app-navigation { display: flex; gap: 25px; align-items: center; }
.app-navigation a { position: relative; display: grid; place-items: center; min-height: 44px; font-size: 13px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.app-navigation a::after { content: ""; position: absolute; bottom: 6px; left: 0; right: 0; height: 4px; background: var(--yellow); opacity: 0; transition: opacity .2s; }
.app-navigation a:hover::after, .app-navigation a.is-current::after { opacity: 1; }
.app-navigation .is-current { font-weight: 700; }
.header-link { min-height: 44px; display: inline-flex; align-items: center; gap: 16px; text-decoration: none; font-size: 13px; }
.header-link:hover { text-decoration: underline; }
.hero { min-height: min(850px, calc(100svh - 80px)); display: flex; flex-direction: column; justify-content: center; padding-top: clamp(50px, 7vh, 86px); }
.hero-layout { flex: 1; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 10px; }
.hero-text { padding: 15px 0 35px; position: relative; z-index: 1; }
.label-caps, .eyebrow { display: block; color: var(--blue-deep); font-size: 11px; font-weight: 600; letter-spacing: .15em; line-height: 1.5; }
.label-caps { display: flex; align-items: center; gap: 9px; margin-bottom: 25px; }
.label-dot { width: 7px; height: 7px; background: var(--red); border-radius: 50%; }
.hero h1 { font: 900 clamp(36px, 4.35vw, 62px)/1.45 var(--serif); letter-spacing: -.055em; white-space: nowrap; }
.hl-yellow { background: linear-gradient(transparent 74%, var(--yellow) 74%, var(--yellow) 94%, transparent 94%); color: var(--blue-deep); }
.red-period { color: var(--red); }
.hero-description { margin-top: 26px; color: var(--ink-light); font-size: clamp(14px, 1.2vw, 16px); line-height: 1.95; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 32px; }
.cta-button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 56px; padding: 13px 27px; color: var(--cream); background: var(--blue-deep); border-radius: 7px; text-decoration: none; font-size: 15px; font-weight: 600; transition: transform .2s, box-shadow .2s; }
.cta-button:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 var(--yellow); }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 32px; color: var(--blue-deep); font-size: 13px; font-weight: 500; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-decoration-color: var(--blue-deep); }
.hero-note { margin-top: 15px; color: var(--ink-faint); font-size: 11px; }
.hero-note span { margin: 0 6px; }
.hero-visual { position: relative; min-width: 0; margin-right: -28px; padding-top: 28px; }
.hero-visual img { width: 100%; height: auto; mix-blend-mode: multiply; }
.hand-note { display: block; margin: 0 6% 8px 0; text-align: right; font: 600 clamp(22px, 2.5vw, 32px)/1.2 "Caveat", cursive; color: var(--blue-deep); transform: rotate(-5deg); }
.hero-visual figcaption { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 15px; color: var(--ink-faint); font-size: 11px; }
.caption-line { display: block; width: 28px; height: 1px; background: var(--ink-faint); }
.figure-index { margin-left: 24px; font: 500 10px/1 var(--display); letter-spacing: .06em; }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); margin-top: clamp(32px, 6vh, 64px); padding: 24px 0; }
.hero-bottom > span { font-size: 9px; letter-spacing: .13em; color: var(--ink-faint); }
.hero-bottom p { font-size: 12px; }
.hero-bottom i { font-style: normal; color: #797771; margin: 0 13px; }
.hero-bottom a { display: flex; gap: 16px; align-items: center; font-size: 11px; text-decoration: none; }
.hero-bottom a:hover { text-decoration: underline; }
.download-section { background: var(--cream-dark); border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 35px; }
.eyebrow { margin-bottom: 15px; font-size: 10px; }
h2 { font: 900 clamp(27px, 3vw, 40px)/1.5 var(--serif); letter-spacing: -.035em; }
.release-info { text-align: right; flex-shrink: 0; }
.release-badge { display: inline-flex; align-items: center; gap: 9px; padding: 6px 13px; background: #e9ede2; border-radius: 30px; color: #365734; text-decoration: none; font-size: 11px; }
.release-badge:hover { text-decoration: underline; }
.release-dot { display: block; background: #54784d; width: 6px; height: 6px; border-radius: 50%; }
.release-info p { font-size: 10px; color: var(--ink-faint); margin-top: 8px; }
.platform-hint { color: var(--ink-light); font-size: 12px; margin-bottom: 15px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid #d7d8d1; border-radius: 10px; overflow: hidden; background: var(--cream); }
.download-card { position: relative; min-width: 0; padding: clamp(25px, 2.7vw, 38px); }
.download-card + .download-card { border-left: 1px solid #d7d8d1; }
.download-card.is-platform { background: #f3f5f1; }
.card-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 23px; }
.platform-icon { width: 32px; height: 32px; color: var(--blue-deep); }
.card-aux { font-size: 9px; font-weight: 600; letter-spacing: .12em; color: var(--ink-faint); }
.download-card h3 { font: 600 28px/1.3 var(--display); }
.download-card h3 span { font: 600 14px/1.5 var(--sans); margin-left: 7px; }
.card-description { color: var(--ink-light); font-size: 12px; margin-top: 16px; }
.system-requirement { color: var(--ink-faint); font-size: 11px; margin-top: 6px; }
.download-button { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 49px; margin-top: 30px; padding: 12px 17px; background: var(--blue-deep); color: var(--cream); border-radius: 5px; font-size: 13px; font-weight: 600; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.download-button:hover { transform: translateY(-2px); box-shadow: 3px 3px 0 var(--yellow); }
.download-button svg { width: 17px; height: 17px; }
.asset-meta { display: flex; justify-content: space-between; margin-top: 12px; color: var(--ink-faint); font-size: 10px; }
.download-footnotes { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin: 15px 0 30px; font-size: 11px; color: var(--ink-light); }
.download-footnotes .text-link { font-size: 11px; }
.download-footnotes [data-size] { font-size: 10px; color: var(--ink-faint); }
.download-notice { display: flex; align-items: flex-start; gap: 14px; background: #f5edcf; padding: 17px 20px; border-radius: 5px; color: #504930; font-size: 11px; line-height: 1.9; }
.notice-mark { display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; width: 17px; height: 17px; flex-shrink: 0; margin-top: 2px; font-family: var(--display); }
.download-notice a { display: inline-block; margin-left: 10px; }
.release-status { margin-top: 15px; color: var(--ink-faint); font-size: 10px; }
.release-status a { margin-left: 6px; }
.archive-section { background: #173e6b; color: var(--cream); padding: clamp(76px, 8vw, 108px) 0; }
.archive-layout { display: grid; grid-template-columns: .65fr 1fr; align-items: center; gap: clamp(48px, 8vw, 110px); }
.archive-copy .eyebrow { color: #c0d3e7; }
.archive-copy h2 { font-size: clamp(36px, 4vw, 54px); line-height: 1.5; }
.archive-copy h2 span { color: var(--yellow); }
.archive-copy p { color: #d1dce7; margin: 23px 0; font-size: 13px; line-height: 2; }
.light-link { display: inline-flex; align-items: center; gap: 35px; padding-bottom: 5px; color: var(--yellow); text-decoration: none; font-size: 12px; }
.light-link:hover { text-decoration: underline; }
.folder-example { background: var(--cream-dark); color: var(--ink); border-radius: 9px; padding: 24px 28px 16px; box-shadow: 8px 8px 0 #315982; transform: rotate(-1.5deg); }
.folder-top { display: flex; align-items: center; gap: 11px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.folder-icon { position: relative; display: block; width: 24px; height: 17px; background: var(--yellow); border-radius: 2px; flex-shrink: 0; }
.folder-icon::before { content: ""; position: absolute; width: 10px; height: 4px; top: -3px; background: var(--yellow); border-radius: 2px 2px 0 0; }
.folder-top strong { font-size: 13px; font-weight: 600; }
.folder-top > span:last-child { margin-left: auto; font-size: 9px; color: var(--ink-faint); }
.folder-row { display: flex; align-items: center; gap: 14px; min-height: 52px; border-bottom: 1px solid var(--line); font-size: 12px; }
.folder-number { color: var(--blue-deep); font: 500 14px/1 var(--display); }
.file-types { margin-left: auto; color: var(--ink-faint); font-size: 8px; white-space: nowrap; }
.file-types i { font-style: normal; margin: 0 5px; }
.example-caption { color: var(--ink-faint); font-size: 9px; margin-top: 12px; }
.feature-notes { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; margin-top: 39px; }
.feature-notes > div > span { font: italic 17px/1.5 var(--display); color: var(--yellow); }
.feature-notes h3 { font-size: 12px; font-weight: 600; margin: 7px 0 8px; }
.feature-notes p { color: #d1dce7; font-size: 10px; line-height: 1.9; }
.getting-started .section-heading { margin-bottom: 45px; }
.start-note { font: 600 27px/1.3 "Caveat", cursive; color: var(--blue-deep); transform: rotate(-3deg); }
.steps-layout { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(32px, 5vw, 75px); }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.step-number { font: 500 49px/1 var(--display); color: var(--blue); }
.step-top svg { width: 34px; height: 24px; color: #999a90; }
.step-check { font-size: 24px; color: var(--blue); }
.steps-layout h3 { font: 700 19px/1.5 var(--serif); margin-bottom: 13px; }
.steps-layout p { font-size: 12px; color: var(--ink-light); line-height: 2; }
.setup-note { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 25px; padding-top: 27px; margin-top: 42px; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 11px; }
.setup-note .text-link { font-size: 11px; }
.faq-section { background: var(--cream-dark); border-top: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: .6fr 1fr; gap: clamp(40px, 8vw, 108px); align-items: start; }
.faq-heading { position: sticky; top: 122px; }
.faq-heading p { margin: 20px 0; color: var(--ink-light); font-size: 13px; }
.faq-heading .text-link { font-size: 11px; }
.accordion-list { border-top: 1px solid #bfc4bd; }
.accordion-item { border-bottom: 1px solid #cfd1c8; scroll-margin-top: 110px; }
.accordion-item summary { display: flex; align-items: center; gap: 20px; list-style: none; padding: 22px 0; cursor: pointer; font-size: 14px; font-weight: 500; line-height: 1.8; }
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary:hover { color: var(--blue-deep); }
.faq-index { font: italic 15px/1 var(--display); color: var(--blue-deep); }
.accordion-arrow { margin-left: auto; color: var(--blue-deep); font-size: 22px; font-weight: 400; line-height: 1; transition: transform .2s; }
.accordion-item[open] .accordion-arrow { transform: rotate(45deg); }
.accordion-body { padding: 0 15px 25px 36px; font-size: 12px; color: var(--ink-light); line-height: 2; }
.accordion-body p + p { margin-top: 12px; }
.accordion-body .text-link { margin-top: 10px; font-size: 11px; }
.closing-section { background: var(--yellow); padding: 52px 0; }
.closing-layout { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.closing-note { font: 600 24px/1.4 "Caveat", cursive; color: #4c4b36; }
.closing-layout h2 { font-size: clamp(24px, 2.6vw, 34px); margin-top: 6px; }
.closing-link { display: flex; align-items: center; justify-content: space-between; gap: 38px; min-height: 50px; border-bottom: 1px solid var(--ink); font-size: 14px; text-decoration: none; white-space: nowrap; }
.closing-link span { font-size: 24px; transition: transform .2s; }
.closing-link:hover span { transform: translate(3px, -3px); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 36px; padding-bottom: 36px; }
.footer-brand { font: 700 22px/1.3 var(--display); text-decoration: none; }
.footer-brand span { font: 500 11px/1 var(--sans); margin-left: 13px; }
.site-footer p { font-size: 10px; color: var(--ink-faint); margin-top: 7px; }
.footer-links { display: grid; gap: 7px; text-align: right; font-size: 10px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-links span { color: var(--ink-faint); font-size: 9px; }
.mobile-break { display: none; }
@media (min-width: 1500px) { .hero h1 { font-size: 62px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .hero h1 { font-size: clamp(36px, 4.2vw, 50px); }
  .app-navigation { gap: 18px; }
  .header-link { display: none; }
  .download-card { padding: 26px 23px; }
  .download-card h3 { font-size: 26px; }
  .download-card h3 span { font-size: 12px; }
  .download-button { padding: 12px 13px; font-size: 12px; }
  .hero-bottom > span { display: none; }
  .archive-layout { gap: 55px; }
  .folder-example { padding: 22px 18px 15px; }
  .folder-row { gap: 10px; font-size: 11px; }
}
@media (max-width: 900px) {
  .hero { min-height: auto; padding-top: 44px; }
  .hero-layout { grid-template-columns: 1fr; gap: 15px; }
  .hero-text { padding-bottom: 0; }
  .hero h1 { font-size: clamp(39px, 7vw, 60px); }
  .hero-visual { width: min(100%, 640px); margin: 0 auto; padding-top: 5px; }
  .hand-note { margin-right: 5%; }
  .hero-visual img { margin-top: -10px; }
  .hero-visual figcaption { margin-top: 0; }
  .hero-bottom { margin-top: 35px; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card { display: grid; grid-template-columns: 1fr 1fr; gap: 0 35px; padding: 30px; }
  .download-card + .download-card { border-left: 0; border-top: 1px solid #d7d8d1; }
  .card-heading { grid-column: 1 / -1; margin-bottom: 15px; }
  .download-card h3, .card-description, .system-requirement { grid-column: 1; }
  .download-button { grid-column: 2; grid-row: 2 / 4; margin-top: 0; align-self: center; }
  .asset-meta { grid-column: 2; grid-row: 4; }
  .archive-layout { grid-template-columns: 1fr; gap: 48px; }
  .archive-copy h2 br { display: none; }
  .archive-copy p { margin: 17px 0; }
  .folder-example { padding: 24px 28px 16px; }
  .feature-notes { gap: 30px; }
  .feature-notes p { font-size: 12px; }
  .steps-layout { gap: 26px; }
  .start-note { font-size: 22px; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .faq-heading { position: static; }
  .faq-heading h2 br, .faq-heading p br { display: none; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 135px; }
  .container { width: calc(100% - 40px); }
  .section { padding: 60px 0; }
  .app-header-inner { flex-direction: column; align-items: flex-start; gap: 5px; padding-top: 14px; min-height: 104px; }
  .brand img { width: 34px; height: 34px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 8px; }
  .app-navigation { width: 100%; justify-content: space-between; gap: 10px; }
  .app-navigation a { min-height: 42px; font-size: 12px; }
  .hero { padding-top: 37px; }
  .label-caps { font-size: 9px; margin-bottom: 18px; letter-spacing: .12em; }
  .hero h1 { font-size: clamp(30px, 7.6vw, 45px); letter-spacing: -.06em; }
  .hero-description { margin-top: 21px; font-size: 12px; line-height: 1.9; }
  .hero-actions { gap: 24px; margin-top: 23px; }
  .cta-button { min-height: 50px; padding: 12px 22px; gap: 24px; font-size: 13px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-note { font-size: 10px; }
  .hero-visual { padding-top: 24px; }
  .hand-note { font-size: 24px; }
  .hero-visual figcaption { font-size: 10px; gap: 8px; }
  .figure-index { margin-left: 10px; font-size: 8px; }
  .hero-bottom { margin-top: 30px; flex-direction: column; gap: 9px; align-items: flex-start; padding: 19px 0; }
  .hero-bottom p { font-size: 11px; }
  .hero-bottom i { margin: 0 7px; }
  .hero-bottom a { font-size: 10px; }
  .section-heading { align-items: flex-start; gap: 14px; margin-bottom: 25px; }
  .eyebrow { font-size: 9px; margin-bottom: 12px; }
  h2 { font-size: 26px; }
  .mobile-break { display: inline; }
  .release-info { padding-top: 25px; }
  .release-badge { padding: 6px 9px; font-size: 9px; gap: 6px; }
  .release-info p { font-size: 8px; }
  .platform-hint { font-size: 11px; }
  .download-card { display: block; padding: 27px; }
  .card-heading { margin-bottom: 18px; }
  .download-card h3 { font-size: 28px; }
  .download-card h3 span { font-size: 14px; }
  .card-description { margin-top: 14px; }
  .download-button { margin-top: 23px; font-size: 13px; padding: 12px 18px; }
  .download-footnotes { flex-direction: column; align-items: flex-start; gap: 4px; margin-bottom: 22px; font-size: 10px; }
  .download-notice { padding: 16px; gap: 10px; font-size: 10px; }
  .download-notice a { margin-left: 0; }
  .archive-section { padding: 65px 0; }
  .archive-copy h2 { font-size: 36px; }
  .archive-copy h2 br { display: inline; }
  .archive-copy p { font-size: 12px; }
  .archive-layout { gap: 36px; }
  .folder-example { padding: 20px 15px 14px; box-shadow: 5px 5px 0 #315982; transform: rotate(-1deg); }
  .folder-top { gap: 9px; }
  .folder-top strong { font-size: 11px; }
  .folder-top > span:last-child { font-size: 8px; }
  .folder-row { gap: 9px; min-height: 47px; font-size: 10px; }
  .folder-number { font-size: 12px; }
  .file-types { font-size: 7px; }
  .file-types i { margin: 0 2px; }
  .example-caption { font-size: 8px; }
  .feature-notes { grid-template-columns: 1fr; gap: 23px; margin-top: 35px; }
  .feature-notes > div { display: grid; grid-template-columns: 24px 1fr; gap: 0 13px; }
  .feature-notes h3 { margin: 0 0 5px; font-size: 13px; }
  .feature-notes p { grid-column: 2; font-size: 11px; }
  .getting-started .section-heading { flex-direction: column; gap: 15px; margin-bottom: 35px; }
  .start-note { font-size: 24px; align-self: flex-end; }
  .steps-layout { grid-template-columns: 1fr; gap: 29px; }
  .steps-layout li { display: grid; grid-template-columns: 45px 1fr; gap: 4px 22px; }
  .step-top { grid-row: 1 / 3; margin: 0; align-items: flex-start; }
  .step-top svg, .step-check { display: none; }
  .step-number { font-size: 36px; }
  .steps-layout h3 { font-size: 17px; margin: 0; }
  .steps-layout p { grid-column: 2; font-size: 11px; }
  .setup-note { margin-top: 30px; padding-top: 20px; }
  .faq-heading h2 br { display: inline; }
  .accordion-item { scroll-margin-top: 132px; }
  .accordion-item summary { gap: 13px; font-size: 12px; padding: 21px 0; }
  .faq-index { font-size: 13px; }
  .accordion-body { padding: 0 3px 22px 28px; font-size: 11px; }
  .closing-section { padding: 38px 0; }
  .closing-layout { flex-direction: column; align-items: flex-start; gap: 22px; }
  .closing-layout h2 { font-size: 24px; }
  .closing-note { font-size: 24px; }
  .closing-link { font-size: 13px; min-height: 43px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 24px; padding: 30px 0; }
  .footer-links { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .cta-button:hover, .download-button:hover, .closing-link:hover span { transform: none; }
}
