:root {
  --bg: #fff7fb;
  --paper: #fffdf8;
  --paper-strong: #ffffff;
  --cream: #fff0b8;
  --ink: #372733;
  --muted: #78626f;
  --line: #372733;
  --violet: #9a80ff;
  --lavender: #eadfff;
  --mint: #4edfa6;
  --sun: #ffd45f;
  --peach: #ff9f82;
  --sky: #79dfff;
  --pink: #ff8fca;
  --soft: #f7dfe9;
  --wash: #fff3e5;
  --shadow: 6px 7px 0 rgba(55, 39, 51, .13);
  --shadow-soft: 0 22px 50px rgba(95, 62, 91, .12);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: .35;
  background-image: radial-gradient(rgba(55,39,51,.22) .7px, transparent .8px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 72%);
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
.wrap { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(55,39,51,.12);
  background: rgba(255,253,248,.86);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 44px; height: 44px; flex: 0 0 44px; filter: drop-shadow(3px 3px 0 rgba(55,39,51,.16)); }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 1.03rem; font-weight: 900; letter-spacing: -.03em; }
.brand-copy small { margin-top: 6px; color: var(--muted); font: 700 .66rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.main-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 4px; }
.main-nav a { padding: 8px 11px; border: 1px solid transparent; border-radius: 12px; color: var(--muted); font-size: .8rem; font-weight: 800; text-decoration: none; transition: .2s ease; }
.main-nav a:hover { color: var(--ink); border-color: rgba(55,39,51,.16); background: var(--paper-strong); transform: translateY(-1px); }
.main-nav .nav-download { color: var(--ink); border-color: var(--line); background: var(--sun); box-shadow: 3px 3px 0 var(--line); }
.language-menu { position: relative; flex: 0 0 auto; }
.language-menu summary { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 8px 10px; border: 1px solid rgba(55,39,51,.2); border-radius: 12px; color: var(--muted); background: var(--paper-strong); font: 800 .75rem/1 var(--sans); cursor: pointer; list-style: none; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary:hover, .language-menu[open] summary { color: var(--ink); border-color: var(--line); box-shadow: 3px 3px 0 rgba(55,39,51,.1); }
.language-chevron { color: var(--violet); font-size: 1rem; line-height: .7; }
.language-menu-list { position: absolute; top: calc(100% + 8px); right: 0; z-index: 30; min-width: 150px; padding: 7px; border: 2px solid var(--line); border-radius: 14px; background: var(--paper-strong); box-shadow: 5px 6px 0 rgba(55,39,51,.13); }
.language-menu-list a { display: block; padding: 8px 10px; border-radius: 9px; color: var(--muted); font-size: .76rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.language-menu-list a:hover, .language-menu-list a[aria-current="page"] { color: var(--ink); background: var(--lavender); }

.home-shell, .page-shell { padding-bottom: 80px; }
.home-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .94fr); align-items: center; gap: 64px; min-height: 620px; padding-top: 62px; }
.home-hero-copy { max-width: 650px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 14px; color: var(--muted); font: 800 .71rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 9px; height: 9px; border: 2px solid var(--line); border-radius: 50%; background: var(--mint); box-shadow: 13px 0 0 var(--sun); margin-right: 11px; }
h1, h2, h3 { letter-spacing: -.045em; }
h1 { max-width: 760px; margin: 0 0 22px; font-size: clamp(2.9rem, 6vw, 5.8rem); line-height: .98; font-weight: 900; }
h2 { margin: 0 0 14px; font-size: clamp(2rem, 3.4vw, 3.25rem); line-height: 1.04; font-weight: 900; }
h3 { margin: 0 0 8px; font-size: 1.18rem; line-height: 1.15; font-weight: 850; }
p { margin: 0 0 1rem; }
.hero-lead { max-width: 650px; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.hero-actions, .page-actions { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 12px; margin-top: 24px; }
.button, .download-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 17px; border: 2px solid var(--line); border-radius: 15px; color: var(--ink); background: var(--paper-strong); box-shadow: 4px 4px 0 rgba(55,39,51,.13); font-size: .89rem; font-weight: 850; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover, .download-button:hover { transform: translate(-2px, -3px); box-shadow: 7px 7px 0 rgba(55,39,51,.14); }
.button.primary, .primary-button { color: #fff; background: var(--ink); }
.button.secondary { background: var(--paper-strong); }
.button.sun { background: var(--sun); }
.download-button { cursor: pointer; }
.download-button-arrow { font-size: 1.2rem; line-height: 1; }
.download-button.is-counting { cursor: wait; color: #fff; background: var(--violet); }
.download-button.is-counting:hover { transform: none; box-shadow: 4px 4px 0 rgba(55,39,51,.13); }
.download-action-wrap { min-width: 250px; }
.download-action-wrap .download-button { width: 100%; }
.download-status { display: flex; align-items: center; gap: 10px; min-height: 48px; margin: 10px 2px 0; padding: 10px 12px; border: 2px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--cream); box-shadow: 3px 3px 0 rgba(55,39,51,.13); font: 800 .78rem/1.35 var(--mono); }
.download-status::before { content: ""; width: 11px; height: 11px; flex: 0 0 11px; border: 2px solid var(--line); border-top-color: var(--violet); border-radius: 50%; animation: download-status-spin .8s linear infinite; }
.download-status-text { flex: 1; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.download-cancel { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; margin: 8px 2px 0; padding: 8px 12px; border: 1.5px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--paper-strong); box-shadow: 2px 2px 0 rgba(55,39,51,.12); font: 800 .72rem/1 var(--mono); text-decoration: none; cursor: pointer; }
.download-cancel:hover { color: var(--ink); background: var(--lavender); transform: translateY(-1px); }
.download-button:focus-visible, .download-cancel:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
@keyframes download-status-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .download-status::before { animation: none; }
  .download-button, .download-cancel { transition: none; }
}
.download-file-meta { display: flex; justify-content: space-between; gap: 10px; margin: 8px 2px 0; color: var(--muted); font: 600 .68rem/1.4 var(--mono); }
.download-file-meta span:first-child { overflow-wrap: anywhere; }
.secondary-download-link { display: block; margin-top: 10px; color: var(--muted); font: 700 .7rem/1.45 var(--mono); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.secondary-download-link:hover { color: var(--ink); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 23px; color: var(--muted); font: 700 .68rem/1.5 var(--mono); }
.hero-meta span { display: inline-flex; gap: 5px; align-items: center; }
.hero-meta span + span::before { content: "·"; color: var(--peach); }
.hero-meta strong { color: var(--ink); }
.home-hero-media, .page-hero-media { margin: 0; padding: 12px; border: 2px solid var(--line); border-radius: 26px; background: var(--paper-strong); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.home-hero-media img, .page-hero-media img { display: block; width: 100%; aspect-ratio: 1.46; object-fit: cover; border-radius: 16px; background: var(--lavender); }
figcaption { margin: 10px 4px 0; color: var(--muted); font-size: .72rem; line-height: 1.45; }

.home-facts, .fact-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 28px; }
.fact-item { min-height: 78px; padding: 14px 16px; border: 1.5px solid rgba(55,39,51,.18); border-radius: 16px; background: rgba(255,253,248,.74); }
.fact-item span { display: block; margin-bottom: 3px; color: var(--muted); font: 700 .66rem/1.3 var(--mono); text-transform: uppercase; }
.fact-item strong { display: block; font-size: .93rem; line-height: 1.25; }

.home-section, .content-page { scroll-margin-top: 94px; }
.home-section { padding-top: 106px; }
.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading > p:not(.eyebrow) { color: var(--muted); font-size: 1rem; }
.download-section { padding-top: 88px; }
.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.platform-card { display: flex; flex-direction: column; min-height: 310px; padding: 20px; border: 2px solid var(--line); border-radius: 22px; background: var(--paper-strong); box-shadow: 4px 5px 0 rgba(55,39,51,.09); }
.platform-card:nth-child(1) { background: linear-gradient(145deg, #fffdf8, #fff2cf); }
.platform-card:nth-child(2) { background: linear-gradient(145deg, #fffdf8, #e9fff6); }
.platform-card:nth-child(3) { background: linear-gradient(145deg, #fffdf8, #efe9ff); }
.platform-card-head { display: flex; gap: 12px; align-items: flex-start; min-height: 72px; }
.platform-icon { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 42px; border: 2px solid var(--line); border-radius: 13px; background: var(--sun); font-size: 1.35rem; font-weight: 900; box-shadow: 3px 3px 0 var(--line); }
.platform-card:nth-child(2) .platform-icon { background: var(--mint); }
.platform-card:nth-child(3) .platform-icon { background: var(--violet); color: #fff; }
.platform-card-head p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.platform-card .download-action-wrap { margin-top: auto; }
.compact-button { min-height: 44px; padding: 10px 13px; background: var(--ink); color: #fff; font-size: .78rem; }
.text-link { display: inline-block; margin-top: 13px; color: var(--ink); font-size: .78rem; font-weight: 850; text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.download-trust-note { margin: 18px 0 0; color: var(--muted); font-size: .77rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { overflow: hidden; border: 2px solid var(--line); border-radius: 22px; background: var(--paper-strong); box-shadow: 4px 5px 0 rgba(55,39,51,.08); }
.feature-card img { display: block; width: 100%; aspect-ratio: 1.55; object-fit: cover; background: var(--lavender); }
.feature-card-copy { padding: 18px; }
.feature-card-copy p { color: var(--muted); font-size: .86rem; line-height: 1.6; }
.feature-card-copy a { color: var(--ink); font-size: .78rem; font-weight: 850; text-decoration: underline; text-underline-offset: 3px; }
.comparison-wrap, .table-scroll { overflow-x: auto; border: 2px solid var(--line); border-radius: 18px; background: var(--paper-strong); box-shadow: 4px 5px 0 rgba(55,39,51,.08); }
table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: .87rem; }
th, td { padding: 14px 16px; border-bottom: 1px solid rgba(55,39,51,.12); text-align: left; vertical-align: top; }
th { color: var(--muted); background: var(--wash); font: 800 .7rem/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
td strong { color: var(--ink); }
.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.step-item { position: relative; min-height: 190px; padding: 18px; border: 2px solid var(--line); border-radius: 20px; background: var(--paper-strong); box-shadow: 4px 5px 0 rgba(55,39,51,.07); }
.step-item > span { display: grid; place-items: center; width: 37px; height: 37px; margin-bottom: 18px; border: 2px solid var(--line); border-radius: 12px; background: var(--sun); box-shadow: 3px 3px 0 var(--line); font: 800 .72rem/1 var(--mono); }
.step-item p { color: var(--muted); font-size: .83rem; line-height: 1.55; }
.guide-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.guide-card { display: flex; flex-direction: column; min-height: 182px; padding: 17px; border: 1.5px solid rgba(55,39,51,.18); border-radius: 18px; background: rgba(255,253,248,.7); text-decoration: none; transition: .2s ease; }
.guide-card:hover { transform: translateY(-4px); border-color: var(--line); background: var(--paper-strong); box-shadow: 4px 5px 0 rgba(55,39,51,.1); }
.guide-icon { display: grid; place-items: center; width: 36px; height: 36px; margin-bottom: 15px; border: 2px solid var(--line); border-radius: 11px; background: var(--lavender); font-size: 1.1rem; }
.guide-card:nth-child(2) .guide-icon { background: var(--mint); }
.guide-card:nth-child(3) .guide-icon { background: var(--sun); }
.guide-card:nth-child(4) .guide-icon { background: var(--peach); }
.guide-card > span:not(.guide-icon) { margin-top: 5px; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.guide-card em { margin-top: auto; padding-top: 14px; color: var(--ink); font-size: .74rem; font-style: normal; font-weight: 850; }
.about-panel { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; padding: 30px; border: 2px solid var(--line); border-radius: 24px; background: linear-gradient(135deg, var(--cream), var(--paper-strong) 58%, var(--lavender)); box-shadow: var(--shadow); }
.about-panel p { color: var(--muted); font-size: .94rem; }

.page-shell { padding-top: 44px; }
.page-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr); align-items: center; gap: 56px; padding-bottom: 42px; }
.page-hero h1 { font-size: clamp(2.55rem, 5.6vw, 5rem); }
.page-lead { max-width: 780px; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }
.updated-line { margin-top: 15px; color: var(--muted); font: 700 .72rem/1.4 var(--mono); }
.fact-strip { margin-top: 0; margin-bottom: 42px; }
.article-body { max-width: 900px; }
.article-section { margin-top: 72px; }
.article-section h2 { max-width: 780px; }
.article-section p, .article-section li { color: #594751; font-size: .98rem; line-height: 1.82; }
.article-section a { font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.check-list { padding-left: 1.35rem; }
.check-list li + li { margin-top: 8px; }
.table-section table { min-width: 680px; }
.article-figure { margin: 70px 0 0; padding: 12px; border: 2px solid var(--line); border-radius: 22px; background: var(--paper-strong); box-shadow: 5px 6px 0 rgba(55,39,51,.08); }
.article-figure img { display: block; width: 100%; aspect-ratio: 1.55; object-fit: cover; border-radius: 13px; }
.article-callout { margin-top: 52px; padding: 20px 22px; border: 2px solid var(--line); border-radius: 18px; background: var(--cream); box-shadow: 4px 5px 0 rgba(55,39,51,.08); }
.article-callout.warning { background: #ffe0d4; }
.article-callout strong { display: block; margin-bottom: 5px; font-size: 1.05rem; }
.article-callout p { margin: 0; color: #594751; font-size: .9rem; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1.5px solid rgba(55,39,51,.2); border-radius: 15px; background: var(--paper-strong); }
.faq-list summary { padding: 16px 18px; cursor: pointer; list-style: none; font-weight: 850; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; color: var(--violet); font: 900 1.2rem/1 var(--mono); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { padding: 0 18px 17px; margin: 0; color: var(--muted); font-size: .88rem; }
.related-section { margin-top: 78px; padding-top: 30px; border-top: 1px solid rgba(55,39,51,.15); }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.related-card { position: relative; min-height: 145px; display: flex; flex-direction: column; padding: 17px; border: 1.5px solid rgba(55,39,51,.2); border-radius: 16px; background: var(--paper-strong); text-decoration: none; }
.related-card strong { font-size: .95rem; }
.related-card span:not(.related-arrow) { margin-top: 8px; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.related-arrow { margin-top: auto; align-self: flex-end; color: var(--violet); font-weight: 900; }
.legal-shell { padding-top: 48px; }
.legal-body { max-width: 820px; }
.legal-body h1 { font-size: clamp(2.5rem, 5vw, 4.4rem); }

.site-footer { padding: 58px 0 28px; border-top: 2px solid var(--line); background: var(--paper-strong); }
.footer-grid { display: grid; grid-template-columns: minmax(260px, .85fr) 1.15fr; gap: 54px; }
.footer-brand-link { margin-bottom: 18px; }
.footer-brand p { max-width: 470px; color: var(--muted); font-size: .86rem; }
.independent-note { color: var(--ink) !important; font-weight: 750; }
.support-link { color: var(--ink); font: 700 .75rem/1.4 var(--mono); text-decoration: underline; text-underline-offset: 3px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.footer-links h2 { margin-bottom: 11px; font: 800 .7rem/1.3 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.footer-links a { display: block; margin-top: 8px; color: var(--muted); font-size: .78rem; text-decoration: none; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 44px; padding-top: 18px; border-top: 1px solid rgba(55,39,51,.12); color: var(--muted); font: 600 .67rem/1.5 var(--mono); }

@media (max-width: 1080px) {
  .home-hero, .page-hero { grid-template-columns: 1fr; gap: 34px; }
  .home-hero-copy, .page-hero-copy { max-width: 800px; }
  .home-hero-media, .page-hero-media { max-width: 800px; width: 100%; justify-self: center; transform: none; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .header-inner { align-items: flex-start; padding: 14px 0; }
  .header-actions { align-items: flex-start; }
  .main-nav { max-width: 480px; }
  .main-nav a { padding: 7px 8px; font-size: .73rem; }
  .home-hero { min-height: auto; padding-top: 48px; }
  .home-facts, .fact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-panel, .footer-grid { grid-template-columns: 1fr; }
  .footer-links { max-width: 650px; }
}
@media (max-width: 560px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .site-header { position: relative; }
  .header-inner { display: block; }
  .header-actions { display: block; margin-top: 14px; }
  .main-nav { justify-content: flex-start; margin-top: 14px; overflow: visible; flex-wrap: wrap; gap: 6px; padding-bottom: 3px; }
  .main-nav a { flex: 0 0 auto; white-space: nowrap; }
  .main-nav .nav-download { margin-top: 2px; }
  .language-menu { display: inline-block; margin-top: 10px; }
  .language-menu-list { left: 0; right: auto; }
  h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
  h2 { font-size: 2rem; }
  .home-hero { padding-top: 36px; }
  .hero-lead { font-size: .96rem; }
  .hero-actions, .page-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions > *, .page-actions > * { width: 100%; }
  .download-action-wrap { min-width: 0; width: 100%; }
  .home-facts, .fact-strip, .feature-grid, .steps-grid, .guide-grid, .related-grid { grid-template-columns: 1fr; }
  .home-section { padding-top: 74px; }
  .feature-card img, .article-figure img, .home-hero-media img, .page-hero-media img { aspect-ratio: 1.3; }
  .about-panel { padding: 22px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
  .footer-links > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
}