/* 易歪歪下载站参考模板：官网式横向导航、深色首屏、清晰内容分区。 */
:root {
  --brand: #376dae;
  --brand-hover: #29598f;
  --cyan: #38b8c8;
  --hero: #293238;
  --ink: #28343f;
  --muted: #687680;
  --line: #e2e7eb;
  --soft: #f5f7f9;
  --white: #fff;
  --container: 1140px;
  --shadow: 0 16px 44px rgb(29 46 64 / 10%);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img { display: block; max-width: 100%; height: auto; }
svg { flex-shrink: 0; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid #179cbb;
  outline-offset: 5px;
}
::selection { color: #fff; background: var(--brand); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--ink); font-weight: 650; line-height: 1.45; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -80px; left: 20px; padding: 10px 18px; color: #fff; background: var(--brand); border-radius: 4px; }
.skip-link:focus { top: 12px; color: #fff; }

/* Navigation */
.site-header { position: relative; z-index: 20; background: #fafbfc; border-bottom: 3px solid var(--brand); }
.header-inner { display: flex; align-items: center; gap: 30px; min-height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--brand); flex-shrink: 0; }
.brand:hover { color: var(--brand); }
.brand img { width: 49px; height: 49px; object-fit: contain; }
.brand-name { font-size: 29px; line-height: 1; font-weight: 700; letter-spacing: .5px; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 29px; margin-left: auto; }
.site-nav a { position: relative; display: block; padding: 20px 0; color: #515b64; font-size: 15px; white-space: nowrap; }
.site-nav a:hover, .site-nav a.active { color: var(--brand); }
.site-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 15px; height: 2px; background: var(--brand); }
.header-action { display: inline-flex; justify-content: center; align-items: center; min-height: 38px; padding: 6px 18px; color: var(--brand); font-size: 14px; border: 1px solid #b6c9df; border-radius: 3px; white-space: nowrap; }
.header-action:hover { color: #fff; background: var(--brand); border-color: var(--brand); }
.site-nav a.header-action { display: inline-flex; padding: 8px 18px; color: #fff; background: var(--brand); border-color: var(--brand); }
.site-nav a.header-action:hover { background: var(--brand-hover); }
.menu-toggle { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--brand); border: 1px solid #d5dee7; border-radius: 4px; background: transparent; }
.menu-toggle svg { width: 22px; height: 22px; }

/* Main visual */
.hero { color: #d3dce2; background: var(--hero); overflow: hidden; }
.hero-layout { display: grid; grid-template-columns: 1.26fr 1fr; gap: 60px; align-items: center; min-height: 505px; padding-block: 44px; }
.eyebrow { color: var(--brand); font-size: 13px; font-weight: 600; letter-spacing: 1.8px; line-height: 1.6; }
.hero .eyebrow { color: #c2cbd2; letter-spacing: 2.5px; margin-bottom: 14px; }
.hero h1 { color: #fff; font-size: clamp(34px, 3.65vw, 47px); line-height: 1.35; font-weight: 500; letter-spacing: .5px; }
.brand-accent { color: var(--cyan); font-weight: 650; }
.hero-lead { margin-top: 19px; color: #ecf0f3; font-size: 21px; line-height: 1.7; }
.hero-subtext { max-width: 520px; margin-top: 11px; color: #b6c1c9; font-size: 15px; line-height: 1.95; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 25px; margin-top: 24px; color: #d2dce3; font-size: 13px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); flex-shrink: 0; }
.hero-download-label { margin-top: 26px; color: #aab6bf; font-size: 12px; letter-spacing: .5px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 49px; padding: 11px 25px; border: 1px solid transparent; border-radius: 3px; font-size: 15px; font-weight: 550; line-height: 1.5; text-align: center; transition: background-color .15s ease, border-color .15s ease; }
.button .icon { width: 19px; height: 19px; }
.button-primary { color: #fff; background: var(--brand); border-color: var(--brand); }
.button-primary:hover { color: #fff; background: var(--brand-hover); border-color: var(--brand-hover); }
.button-secondary { color: #d7e4ed; border-color: #68747e; background: transparent; }
.button-secondary:hover { color: #fff; background: #37434c; border-color: #a0aeb9; }
.hero-note { margin-top: 14px; color: #9eacb7; font-size: 12px; line-height: 1.85; }
.hero-note a { color: #b6d3ed; text-underline-offset: 3px; }
.hero-note a:hover { color: #fff; text-decoration: underline; }
.hero-art { display: flex; flex-direction: column; align-items: center; justify-content: center; align-self: stretch; padding-top: 12px; }
.hero-art > picture { display: block; max-width: 100%; }
.mascot { width: 300px; max-height: 350px; object-fit: contain; filter: drop-shadow(0 18px 12px rgb(0 0 0 / 8%)); }
.art-caption { margin-top: 17px; padding-top: 11px; border-top: 1px solid #49545b; color: #bac5cd; font-size: 13px; letter-spacing: 2px; }

/* Broad, uncluttered page sections */
.benefits { padding-block: 57px 53px; border-bottom: 1px solid var(--line); }
.three-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 46px; }
.benefit { text-align: center; }
.benefit img { width: 110px; height: 110px; margin: 0 auto 23px; object-fit: contain; }
.benefit h2 { font-size: 21px; font-weight: 550; }
.benefit p { max-width: 292px; margin: 11px auto 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.section { padding-block: 70px 74px; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 740px; margin: 0 auto 36px; text-align: center; }
.section-heading .eyebrow { margin-bottom: 9px; }
.section-heading h2 { font-size: 30px; font-weight: 550; }
.section-heading p { margin-top: 13px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.preview-window { width: min(100%, 1020px); margin: 0 auto; overflow: hidden; border: 1px solid #d3dae2; border-radius: 5px; background: #fff; box-shadow: var(--shadow); }
.window-bar { display: flex; align-items: center; gap: 6px; min-height: 32px; padding: 7px 13px; color: #83909c; border-bottom: 1px solid #dde3e9; background: #eef1f5; font-size: 11px; line-height: 1; }
.window-bar span { display: block; width: 7px; height: 7px; border-radius: 50%; background: #b9c3ce; }
.window-bar span:nth-child(1) { background: #dfa1a0; }
.window-bar span:nth-child(2) { background: #dec498; }
.window-bar span:nth-child(3) { background: #a6c7b0; }
.window-bar em { margin-left: 8px; font-style: normal; }
.preview-window > img { width: 100%; }
.preview-caption { padding: 13px 22px; border-top: 1px solid var(--line); color: #6f7b86; background: #fff; text-align: center; font-size: 12px; line-height: 1.8; }
.content-card { padding: 4px 0; }
.content-card h3 { font-size: 22px; font-weight: 550; }
.content-card p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.95; }
.text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--brand); font-size: 14px; font-weight: 550; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 58px; }
.two-columns .content-card { padding: 22px 0 24px; border-top: 2px solid #9cb9d6; }
.two-columns .content-card p { max-width: 490px; }
.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.step-card { position: relative; padding-top: 1px; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 37px; height: 37px; margin-bottom: 17px; color: #fff; background: var(--brand); border-radius: 50%; font-size: 15px; font-weight: 600; }
.step-card h3 { font-size: 18px; font-weight: 550; }
.step-card p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 55px; row-gap: 31px; }
.feature-item { position: relative; padding: 0 0 21px 38px; border-bottom: 1px solid var(--line); }
.feature-mark { position: absolute; top: 2px; left: 0; display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; color: var(--brand); background: #e5eef8; border-radius: 4px; font-size: 13px; font-weight: 600; }
.feature-item h3 { font-size: 17px; font-weight: 550; }
.feature-item p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.faq-list { max-width: 900px; margin-inline: auto; border-top: 1px solid #dbe2e8; }
.faq-list details { border-bottom: 1px solid #dbe2e8; }
.faq-list summary { position: relative; padding: 21px 35px 21px 0; color: #344755; list-style: none; cursor: pointer; font-size: 16px; font-weight: 550; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 18px; right: 3px; color: #63819c; font-size: 24px; font-weight: 400; line-height: 1.3; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details[open] summary { color: var(--brand); padding-bottom: 10px; }
.faq-list details p { max-width: 830px; padding: 0 25px 22px 0; color: var(--muted); font-size: 14px; line-height: 1.95; }
.cta-band { padding-block: 36px; color: #dce7f2; background: #315f92; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; column-gap: 40px; }
.cta-inner h2 { color: #fff; font-size: 26px; font-weight: 500; }
.cta-inner p { grid-column: 1; margin-top: 8px; color: #d0dfed; font-size: 14px; }
.cta-inner > .button { grid-column: 2; grid-row: 1 / 3; min-width: 162px; color: #315f92; border-color: #fff; background: #fff; }
.cta-inner > .button:hover { color: #244d79; background: #edf4fb; }

/* Footer */
.site-footer { padding-top: 41px; color: #7c8792; background: #f3f5f7; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 55px; padding-bottom: 31px; }
.footer-brand .brand { gap: 9px; margin-bottom: 12px; }
.footer-brand .brand img { width: 35px; height: 35px; }
.footer-brand .brand-name { font-size: 22px; }
.footer-brand p { max-width: 480px; font-size: 12px; line-height: 1.95; }
.footer-links h2, .footer-links h3 { margin-bottom: 10px; color: #536574; font-size: 14px; font-weight: 550; }
.footer-links a { display: block; width: fit-content; padding-block: 3px; color: #77838d; font-size: 12px; }
.footer-links a:hover { color: var(--brand); }
.footer-bottom { padding-block: 16px; border-top: 1px solid #dfe5eb; color: #88939d; font-size: 11px; text-align: center; line-height: 1.9; }
.footer-bottom a { color: #6e8397; }

/* Download and guide pages */
.page-hero { padding-block: 33px 40px; border-bottom: 1px solid #e5eaf0; background: #f1f5f9; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 17px; color: #8794a0; font-size: 12px; }
.breadcrumb a { color: #6a7f91; }
.breadcrumb a:hover { color: var(--brand); }
.page-hero h1 { font-size: 34px; font-weight: 550; }
.page-hero p { max-width: 800px; margin-top: 12px; color: #6e7e8c; font-size: 15px; line-height: 1.9; }
.page-content { padding-block: 43px 68px; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 233px; gap: 53px; align-items: start; }
.article-stack { min-width: 0; }
.article-section { margin-bottom: 40px; }
.article-section:last-child { margin-bottom: 0; }
.article-section h2 { margin-bottom: 14px; font-size: 24px; font-weight: 550; }
.article-section h3 { margin-top: 23px; margin-bottom: 9px; font-size: 18px; font-weight: 550; }
.article-section p { margin-block: 9px 13px; color: #657380; font-size: 14px; line-height: 1.95; }
.article-section ul, .article-section ol { padding-left: 24px; margin-block: 12px 17px; color: #657380; font-size: 14px; line-height: 1.95; }
.article-section li { padding-left: 3px; margin-bottom: 6px; }
.article-section li::marker { color: #718dab; }
.note { margin-block: 18px; padding: 15px 18px; color: #657787; border-left: 3px solid #95b2cd; background: #f0f5fa; font-size: 13px; line-height: 1.95; }
.note p:last-child { margin-bottom: 0; }
.table-wrap { margin-block: 20px; overflow-x: auto; border: 1px solid #dde4eb; border-radius: 3px; }
table { width: 100%; border-collapse: collapse; color: #687885; font-size: 13px; line-height: 1.8; text-align: left; }
th, td { padding: 13px 17px; border-bottom: 1px solid #e1e7ed; vertical-align: top; }
th { color: #3d556b; background: #f1f5f9; font-weight: 550; }
tr:last-child td { border-bottom: 0; }
.download-panel { padding: 24px 27px 25px; border: 1px solid #cbd9e7; border-top: 3px solid var(--brand); border-radius: 3px; background: #f7fafd; }
.download-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 11px; margin-bottom: 16px; }
.download-heading h2, .download-heading h3 { margin: 0; }
.download-heading > span { padding: 2px 9px; color: #617f9b; border: 1px solid #d2dfeb; border-radius: 2px; font-size: 11px; background: #edf4fb; }
.package-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 22px; margin-block: 16px 22px; }
.package-item { min-width: 0; margin: 0; }
.package-item dt { margin-bottom: 3px; color: #7f8e9b; font-size: 12px; }
.package-item dd { margin: 0; color: #475f73; font-size: 13px; overflow-wrap: anywhere; }
.download-panel .button { min-height: 45px; padding: 10px 24px; }
.download-help { margin-top: 12px; color: #7b8e9f; font-size: 12px; }
.download-help a { text-decoration: underline; text-underline-offset: 3px; }
.related-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; }
.sidebar { position: sticky; top: 28px; padding: 19px 20px; background: #f6f8fa; border: 1px solid #e3e9ef; border-radius: 3px; }
.sidebar-title { margin-bottom: 11px; color: #445d72; font-size: 15px; font-weight: 550; }
.sidebar > a { display: block; padding-block: 8px; color: #738494; border-bottom: 1px solid #e3e9ef; font-size: 13px; }
.sidebar > a:last-child { border-bottom: 0; }
.sidebar > a.active, .sidebar > a:hover { color: var(--brand); }
.link-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
.link-list a { display: block; padding-block: 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
.article-section .preview-window { margin-top: 20px; box-shadow: 0 9px 27px rgb(29 46 64 / 7%); }
.center-action { margin-top: 24px; text-align: center; }
.narrow { max-width: 900px; }
.preview-caption { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 18px; }
.preview-caption button.text-link { margin: 0; padding: 4px 0; border: 0; background: transparent; font-size: 12px; }
caption { padding: 10px 17px; background: #f8fafc; text-align: left; color: var(--muted); font-size: 12px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.sidebar-separator { width: 100%; height: 1px; margin: 10px 0; background: var(--line); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: #687680; }
.breadcrumb .text-link { margin: 0; font-size: inherit; font-weight: 400; }
.section-heading .eyebrow { color: #376dae; }
.footer-brand p, .footer-links a, .footer-links h2, .footer-bottom { color: #596673; }
.breadcrumb, .breadcrumb a, .sidebar > a, .download-help, .package-item dt { color: #596b7a; }
.section-heading p, .page-hero p, .step-card p, .content-card p, .benefit p { color: #5d6d7a; }

/* Responsive */
@media (max-width: 1060px) {
  .header-inner { gap: 22px; }
  .site-nav { gap: 19px; }
  .site-nav a { font-size: 14px; }
  .brand-name { font-size: 26px; }
  .brand img { width: 44px; height: 44px; }
  .header-action { padding-inline: 12px; font-size: 13px; }
  .hero-layout { grid-template-columns: 1.3fr 1fr; gap: 33px; }
  .mascot { width: 310px; }
  .hero h1 { font-size: 39px; }
  .three-columns { gap: 31px; }
  .content-layout { gap: 32px; grid-template-columns: minmax(0, 1fr) 210px; }
  .feature-grid { gap: 28px; }
}

@media (max-width: 850px) {
  html { scroll-padding-top: 25px; }
  .header-inner { position: relative; min-height: 74px; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .header-action { display: none; }
  .site-nav { position: absolute; top: 74px; left: -24px; right: -24px; display: none; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 9px 24px 15px; border-bottom: 2px solid var(--brand); background: #fafbfc; box-shadow: 0 10px 14px rgb(32 50 68 / 7%); }
  html:not(.js) .header-inner { flex-wrap: wrap; padding-block: 15px; }
  html:not(.js) .site-nav { display: flex; position: static; width: 100%; padding: 0; box-shadow: none; border: 0; }
  html:not(.js) .menu-toggle { display: none; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 11px 0; border-bottom: 1px solid #e5eaf0; font-size: 14px; }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav a.header-action { width: fit-content; margin-top: 12px; padding: 8px 18px; }
  .site-nav a.active::after { display: none; }
  .hero-layout { min-height: 515px; grid-template-columns: 1.3fr 1fr; gap: 24px; padding-block: 42px; }
  .hero h1 { font-size: 34px; }
  .hero-lead { font-size: 19px; }
  .hero-subtext { font-size: 14px; }
  .hero-meta { gap: 8px 17px; margin-top: 19px; }
  .mascot { width: 255px; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { padding-inline: 16px; font-size: 14px; }
  .art-caption { letter-spacing: 1px; font-size: 11px; }
  .section { padding-block: 53px 57px; }
  .section-heading h2 { font-size: 27px; }
  .benefits { padding-block: 43px; }
  .benefit img { width: 73px; height: 73px; margin-bottom: 17px; }
  .benefit h2 { font-size: 19px; }
  .benefit p { font-size: 13px; }
  .three-columns { gap: 26px; }
  .content-card h3 { font-size: 20px; }
  .content-card p { font-size: 13px; }
  .two-columns { gap: 33px; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 27px 34px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 25px 32px; }
  .cta-inner h2 { font-size: 23px; }
  .footer-grid { gap: 32px; grid-template-columns: 1.7fr 1fr 1fr; }
  .page-hero h1 { font-size: 30px; }
  .content-layout { grid-template-columns: minmax(0, 1fr); gap: 35px; }
  .sidebar { position: static; display: flex; flex-wrap: wrap; gap: 3px 22px; padding: 17px 20px; }
  .sidebar-title { width: 100%; margin-bottom: 3px; }
  .sidebar > a { border-bottom: 0; padding-block: 4px; }
}

@media (max-width: 600px) {
  .container { width: min(calc(100% - 36px), var(--container)); }
  .header-inner { min-height: 69px; }
  .brand { gap: 9px; }
  .brand-name { font-size: 25px; }
  .brand img { width: 41px; height: 41px; }
  .menu-toggle { width: 38px; height: 38px; }
  .site-nav { top: 69px; left: -18px; right: -18px; padding-inline: 18px; }
  .hero-layout { grid-template-columns: minmax(0, 1fr); gap: 21px; min-height: 0; padding-block: 36px 32px; }
  .hero h1 { font-size: 33px; line-height: 1.4; letter-spacing: 0; }
  .hero .eyebrow { font-size: 12px; margin-bottom: 12px; }
  .hero-lead { margin-top: 13px; font-size: 19px; }
  .hero-subtext { margin-top: 9px; font-size: 14px; line-height: 1.9; }
  .hero-meta { gap: 8px 21px; margin-top: 19px; font-size: 12px; }
  .hero-download-label { margin-top: 21px; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { flex: 1 1 145px; min-height: 46px; padding-inline: 12px; }
  .hero-note { margin-top: 12px; }
  .hero-art { padding-top: 3px; }
  .mascot { width: 212px; max-height: 238px; }
  .art-caption { margin-top: 7px; padding-top: 8px; font-size: 11px; }
  .benefits { padding-block: 36px; }
  .three-columns { grid-template-columns: minmax(0, 1fr); gap: 29px; }
  .benefit { display: grid; grid-template-columns: 68px minmax(0, 1fr); align-items: start; column-gap: 18px; text-align: left; }
  .benefit img { grid-row: 1 / 3; width: 65px; height: 65px; margin: 2px 0 0; }
  .benefit h2 { font-size: 19px; }
  .benefit p { max-width: 100%; margin: 7px 0 0; font-size: 13px; }
  .section { padding-block: 42px 45px; }
  .section-heading { margin-bottom: 26px; }
  .section-heading .eyebrow { font-size: 11px; letter-spacing: 1.4px; }
  .section-heading h2 { font-size: 25px; }
  .section-heading p { margin-top: 10px; font-size: 14px; }
  .preview-window { border-radius: 3px; box-shadow: 0 10px 28px rgb(29 46 64 / 8%); }
  .window-bar { min-height: 27px; padding: 7px 10px; gap: 5px; font-size: 10px; }
  .window-bar span { width: 6px; height: 6px; }
  .preview-caption { padding: 10px 13px; font-size: 11px; }
  .content-card { padding: 0 0 23px; border-bottom: 1px solid var(--line); }
  .three-columns .content-card:last-child { padding-bottom: 0; border-bottom: 0; }
  .content-card h3 { font-size: 21px; }
  .content-card p { font-size: 14px; margin-top: 9px; }
  .text-link { margin-top: 12px; font-size: 13px; }
  .two-columns { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .two-columns .content-card { padding-block: 17px 0; border-bottom: 0; }
  .steps-grid { gap: 28px 22px; }
  .step-number { width: 32px; height: 32px; margin-bottom: 12px; font-size: 13px; }
  .step-card h3 { font-size: 17px; }
  .step-card p { font-size: 13px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .feature-item { padding-bottom: 20px; }
  .feature-item h3 { font-size: 18px; }
  .feature-item p { font-size: 14px; }
  .faq-list summary { padding-top: 17px; padding-bottom: 17px; font-size: 15px; }
  .faq-list summary::after { top: 14px; }
  .faq-list details p { font-size: 13px; padding-right: 6px; }
  .cta-band { padding-block: 30px; }
  .cta-inner { display: block; text-align: center; }
  .cta-inner h2 { font-size: 23px; }
  .cta-inner p { font-size: 13px; margin-top: 8px; }
  .cta-inner > .button { min-height: 45px; margin-top: 20px; font-size: 14px; }
  .site-footer { padding-top: 32px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 30px; padding-bottom: 25px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 100%; }
  .footer-links h3 { margin-bottom: 7px; }
  .footer-bottom { font-size: 10px; padding-block: 13px; }
  .page-hero { padding-block: 24px 29px; }
  .breadcrumb { margin-bottom: 13px; font-size: 11px; }
  .page-hero h1 { font-size: 27px; }
  .page-hero p { font-size: 14px; margin-top: 10px; }
  .page-content { padding-block: 30px 44px; }
  .article-section { margin-bottom: 32px; }
  .article-section h2 { font-size: 22px; margin-bottom: 12px; }
  .article-section h3 { font-size: 18px; }
  .article-section p, .article-section ul, .article-section ol { font-size: 14px; }
  .note { padding: 13px 14px; font-size: 13px; }
  th, td { padding: 11px 13px; }
  .table-wrap table { min-width: 500px; }
  .download-panel { padding: 20px 18px; }
  .download-heading { gap: 8px; }
  .download-heading h2 { font-size: 21px; }
  .package-grid { gap: 11px 16px; margin-block: 15px 19px; }
  .package-item dd { font-size: 12px; }
  .download-panel .button { display: flex; width: 100%; }
  .download-help { line-height: 1.9; }
  .related-links { gap: 8px 18px; font-size: 12px; }
  .link-list { grid-template-columns: minmax(0, 1fr); }
  .sidebar { gap: 3px 18px; padding: 15px 17px; }
}

@media (max-width: 370px) {
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 18px; }
  .hero-actions .button { font-size: 13px; gap: 7px; }
  .hero-meta { gap: 7px 17px; }
  .steps-grid { column-gap: 17px; }
  .step-card h3 { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}