/* Shared secondary-page theme: the homepage palette, map and gradient accents. */
:root {
  --support-ink: #252938;
  --support-muted: #606572;
  --support-night: #010204;
  --support-line: #e4e6ec;
  --support-accent: linear-gradient(100deg, #fa4863, #fc7c60);
  --download-brand-gradient: linear-gradient(135deg, #ae87fe 0%, #5396ed 50%, #133ee2 100%);
  --support-button: var(--download-brand-gradient);
  --download-windows-mask: url("data:image/png;base64,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");
}
/* Download controls share the logo's violet-to-blue palette. QR codes stay unchanged. */
.mobile-download-bar .download-button,
.mobile-download-bar .download-button:hover {
  background: var(--download-brand-gradient);
  box-shadow: 0 2px 8px rgb(45 98 229 / 30%);
}
.mobile-download-bar .download-button:active { box-shadow: 0 1px 4px rgb(45 98 229 / 30%); }
@supports (mask-image: url("/public/index/images/windows-platform.png")) or (-webkit-mask-image: url("/public/index/images/windows-platform.png")) {
  .download-art-windows > img { opacity: 0; }
  .download-art-windows::after {
    content: "";
    position: absolute;
    inset: 9px;
    pointer-events: none;
    background: var(--download-brand-gradient);
    -webkit-mask: var(--download-windows-mask) center / contain no-repeat;
    mask: var(--download-windows-mask) center / contain no-repeat;
    transition: transform 0.3s;
  }
  .download-art-windows:hover::after { transform: scale(1.3); }
}
@media (prefers-reduced-motion: reduce) {
  .download-art-windows::after { transition: none; }
}
.subpage {
  margin: 0;
  background: #fff;
  color: var(--support-ink);
  font: 16px/1.85 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
.subpage *, .subpage *::before, .subpage *::after { box-sizing: border-box; }
.subpage :is(h1,h2,h3,p,ul,ol,dl,dd,figure) { margin: 0; }
.subpage :is(h1,h2,h3,p,ul,ol,dl,dd,figure,input,button) { font-family: inherit; }
.subpage img { max-width: 100%; height: auto; }
.subpage a { color: #5e49bb; text-underline-offset: 4px; overflow-wrap: anywhere; }
.subpage a:hover { color: #bd294d; }
.subpage a:focus-visible, .subpage button:focus-visible, .subpage summary:focus-visible {
  outline: 3px solid #fb705f;
  outline-offset: 5px;
}
.support-container { width: min(1024px, calc(100% - 48px)); margin-inline: auto; }
.support-header { background: var(--support-night); border-bottom: 1px solid #262a32; }
.support-header-inner { min-height: 90px; display: flex; align-items: center; gap: 28px; }
.support-brand { display: inline-flex; align-items: center; gap: 12px; flex: none; text-decoration: none; }
.support-brand img { width: 48px; height: 48px; }
.support-brand span { color: #fff; font-size: 26px; font-weight: 700; letter-spacing: 2px; }
.support-nav { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.support-nav a { color: #c5c7ce; font-size: 14px; text-decoration: none; white-space: nowrap; }
.support-nav a:hover, .support-nav a[aria-current="page"] { color: #fff; }
.support-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: #fa5862; text-underline-offset: 10px; }
.support-nav .nav-download { border-radius: 20px; padding: 5px 20px; color: #fff; background: var(--support-button); }
.support-menu-toggle { display: none; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 50; background: #fff; padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.support-hero { padding: 28px 0 56px; background: #010204 url("/public/index/images/world-map-background.png") center / 1920px 580px no-repeat; color: #fff; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; color: #a9adb9; font-size: 13px; }
.breadcrumbs a { color: #c6c9d3; text-decoration: none; }
.breadcrumbs [aria-current] { color: #fff; }
.support-eyebrow { color: #969caf; font: 700 22px/1.4 Arial, sans-serif; letter-spacing: 3px; }
.support-hero h1 { margin-top: 6px; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.35; letter-spacing: 1px; }
.support-lead { max-width: 740px; margin-top: 18px !important; color: #d5d7df; font-size: 16px; }
.hero-rule { width: 86px; height: 5px; margin-top: 25px; border-radius: 3px; background: var(--support-accent); }
.support-main { padding-block: 52px 64px; }
.support-main > * + * { margin-top: 40px; }
.support-main h2 { margin-bottom: 16px; font-size: 25px; line-height: 1.5; }
.support-main h3 { margin-bottom: 10px; font-size: 19px; line-height: 1.6; }
.support-main p + p { margin-top: 14px; }
.support-main :is(ul,ol) { padding-left: 1.35em; }
.support-main li + li { margin-top: 8px; }
.support-main :is(p,li,dd,td) { overflow-wrap: anywhere; }
.support-main strong { font-weight: 700; }
.support-muted { color: var(--support-muted); }
.support-small { font-size: 14px; }
.support-note { border-left: 4px solid #fa5862; border-radius: 0 10px 10px 0; padding: 18px 22px; background: #f7f7fa; }
.support-note p { margin: 0; }
.draft-notice { border: 1px solid #edc790; border-left: 4px solid #ba6c19; background: #fff9ef; padding: 20px 24px; border-radius: 10px; }
.draft-notice strong { display: block; margin-bottom: 5px; color: #804714; }
.platform-grid, .article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.platform-card { display: flex; flex-direction: column; padding: 26px; border: 1px solid #dfe2e9; border-radius: 14px; background: #fff; }
.platform-label { font: 700 30px/1.2 Arial, sans-serif; margin-bottom: 20px; color: #252938; }
.platform-card p { margin-bottom: 20px; color: var(--support-muted); }
.platform-card .support-button { margin-top: auto; }
.support-button, .subpage a.support-button, .subpage a.support-button:hover {
  display: inline-block; border: 0; border-radius: 22px; padding: 9px 22px;
  background: var(--support-button); color: #fff; font-weight: 700; font-size: 15px;
  line-height: 1.8; text-align: center; text-decoration: none;
}
.platform-secondary { margin-top: 12px; font-size: 14px; text-align: center; }
.support-table-wrap { overflow-x: auto; border: 1px solid var(--support-line); border-radius: 12px; }
.support-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.support-table caption { padding: 12px 18px; text-align: left; color: var(--support-muted); }
.support-table th, .support-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--support-line); vertical-align: top; }
.support-table thead th { background: #f5f5f8; color: #252938; }
.support-table tr:last-child td, .support-table tr:last-child th { border-bottom: 0; }
.support-table th[scope="row"] { width: 23%; }
.support-toc { padding: 22px 26px; border: 1px solid var(--support-line); border-radius: 12px; }
.support-toc h2 { font-size: 18px; margin-bottom: 8px; }
.support-toc ul { display: flex; flex-wrap: wrap; column-gap: 30px; row-gap: 5px; list-style: none; padding: 0; }
.support-toc li + li { margin-top: 0; }
.support-toc a { font-size: 14px; }
.guide-row { display: grid; grid-template-columns: minmax(0,1fr) 220px; gap: 54px; align-items: center; padding-block: 22px; }
.guide-row + .guide-row { border-top: 1px solid var(--support-line); }
.guide-row figure { text-align: center; }
.guide-row img { width: 185px; height: auto; }
.guide-row figcaption { margin-top: 12px; font-size: 12px; color: #676c79; }
.guide-row:nth-of-type(even) { background: none; }
.support-section { scroll-margin-top: 24px; }
.support-section > p + :is(ul,ol), .support-section > :is(ul,ol) + p { margin-top: 16px; }
.faq-list details { border-bottom: 1px solid var(--support-line); padding: 20px 0; }
.faq-list details:first-child { border-top: 1px solid var(--support-line); }
.faq-list summary { cursor: pointer; color: #252938; font-size: 17px; font-weight: 700; line-height: 1.7; }
.faq-list details[open] summary { margin-bottom: 14px; }
.faq-list details > div { padding-left: 22px; }
.faq-list details > div p { color: #505664; }
.article-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--support-line); border-radius: 14px; }
.article-card-art { display: flex; justify-content: center; align-items: center; height: 178px; overflow: hidden; background: #080b13 url("/public/index/images/world-map-background.png") center / 600px auto no-repeat; }
.article-card-art img { width: auto; height: 142px; object-fit: contain; }
.article-card-content { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.article-category { color: #bd3655; font-size: 13px; margin-bottom: 8px; }
.article-card h2 { font-size: 19px; margin-bottom: 12px; }
.article-card h2 a { color: #252938; text-decoration: none; }
.article-card p { font-size: 14px; color: var(--support-muted); }
.article-card .article-read { margin-top: auto; padding-top: 22px; font-size: 14px; }
.article-date { color: #737885; font-size: 12px; margin-top: 14px; }
.reading-width { max-width: 820px; }
.article-meta { margin-bottom: 26px; color: #737885; font-size: 13px; }
.article-content > * + * { margin-top: 24px; }
.article-content h2 { margin-top: 34px; margin-bottom: 14px; }
.article-content h3 { margin-top: 24px; }
.article-content :is(ul,ol) { margin-top: 14px; }
.article-content figure { text-align: center; }
.article-content figure img { max-width: 240px; max-height: 340px; object-fit: contain; }
.article-content figcaption { font-size: 13px; color: var(--support-muted); margin-top: 10px; }
.related-links { display: flex; flex-wrap: wrap; gap: 14px 28px; border-top: 1px solid var(--support-line); padding-top: 24px; }
.support-sources { border-top: 1px solid var(--support-line); padding-top: 22px; font-size: 13px; color: var(--support-muted); }
.support-sources h2 { font-size: 16px; }
.support-sources a { overflow-wrap: anywhere; }
.info-list { display: grid; grid-template-columns: 180px minmax(0,1fr); border-top: 1px solid var(--support-line); }
.info-list dt, .info-list dd { padding: 18px 0; border-bottom: 1px solid var(--support-line); }
.info-list dt { font-weight: 700; }
.info-list dd { color: #515663; }
.site-directory { box-sizing: border-box; padding: 30px 24px; border-top: 1px solid #252934; background: #010204; }
.site-directory-inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 26px; max-width: 1024px; margin-inline: auto; }
.site-directory a { color: #babec8; font: 14px/1.8 "Microsoft YaHei", "PingFang SC", sans-serif; text-decoration: none; }
.site-directory a:hover, .site-directory a[aria-current="page"] { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
.support-footer { padding: 30px 24px; background: #010204; color: #999; }
.support-footer-inner { display: flex; align-items: center; justify-content: center; gap: 20px; }
.support-footer img { width: 46px; height: 46px; }
.support-footer small { font-size: 13px; }
.support-footer-mobile { display: none; }

@media (max-width: 900px) {
  .support-header-inner { gap: 18px; }
  .support-nav { gap: 14px; }
  .support-brand span { font-size: 23px; }
  .platform-grid, .article-grid { grid-template-columns: 1fr; }
  .platform-card { padding: 26px; }
  .platform-card .support-button { align-self: flex-start; }
  .platform-secondary { align-self: flex-start; }
  .article-card { display: grid; grid-template-columns: 230px minmax(0,1fr); }
  .article-card-art { height: 100%; min-height: 220px; }
}
@media (max-width: 700px) {
  .support-container { width: calc(100% - 36px); }
  .support-header-inner { flex-wrap: wrap; padding-block: 16px; min-height: 78px; }
  .support-brand img { width: 42px; height: 42px; }
  .support-nav { width: 100%; margin: 0; justify-content: flex-start; gap: 15px 20px; padding-block: 8px; }
  .nav-enhanced .support-menu-toggle { display: block; margin-left: auto; padding: 6px 14px; border: 1px solid #555b68; border-radius: 18px; color: #fff; background: transparent; font: inherit; font-size: 14px; }
  .nav-enhanced .support-nav[hidden] { display: none; }
  .support-hero { padding: 22px 0 40px; background-size: 1100px auto; }
  .breadcrumbs { margin-bottom: 24px; }
  .support-eyebrow { font-size: 17px; letter-spacing: 2px; }
  .support-lead { font-size: 15px; }
  .support-main { padding-block: 32px 44px; }
  .support-main > * + * { margin-top: 30px; }
  .support-main h2 { font-size: 22px; }
  .guide-row { grid-template-columns: 1fr; gap: 26px; }
  .guide-row img { width: 180px; }
  .support-note, .draft-notice { padding: 16px 18px; }
  .support-toc { padding: 18px; }
  .support-toc ul { display: block; }
  .support-toc li + li { margin-top: 5px; }
  .support-table { font-size: 13px; min-width: 570px; }
  .support-table th, .support-table td { padding: 12px; }
  .article-card { display: flex; }
  .article-card-art { min-height: 0; height: 178px; }
  .info-list { grid-template-columns: 1fr; }
  .info-list dt { padding-bottom: 2px; border-bottom: 0; }
  .info-list dd { padding-top: 6px; }
  .site-directory { padding: 26px 18px; }
  .site-directory-inner { gap: 12px 20px; }
  .support-footer-inner { gap: 14px; }
  .support-footer-desktop { display: none; }
  .support-footer-mobile { display: inline; }
}
@media (prefers-reduced-motion: reduce) {
  .subpage * { scroll-behavior: auto !important; }
}