:root {
  --blue: #4074f8;
  --blue-dark: #315fe8;
  --purple: #7458f5;
  --cyan: #25b7e8;
  --ink: #222b4f;
  --text: #4d5878;
  --muted: #77819d;
  --line: #e5e9f3;
  --page: #f6f8fc;
  --surface: #ffffff;
  --radius: 8px;
  --shadow: 0 14px 34px rgba(49, 68, 126, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--page); font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { max-width: 100%; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(64, 116, 248, .32); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.page-shell, .nav-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 30; height: 68px; border-bottom: 1px solid rgba(224, 229, 241, .9); background: rgba(255, 255, 255, .9); box-shadow: 0 2px 12px rgba(35, 45, 83, .05); backdrop-filter: blur(16px); }
.nav-shell { display: flex; align-items: center; height: 68px; gap: 32px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; gap: 10px; color: var(--ink); font-size: 20px; font-weight: 750; letter-spacing: 0; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; color: #fff; border-radius: 8px; background: linear-gradient(135deg, var(--cyan), var(--blue) 54%, var(--purple)); font-size: 23px; font-weight: 800; font-style: italic; }
.brand-logo { display: block; width: 38px; height: 38px; flex: 0 0 38px; object-fit: contain; }
.primary-nav { display: flex; align-self: stretch; align-items: center; gap: 27px; }
.primary-nav a { display: flex; align-items: center; height: 100%; color: #5d657d; border-bottom: 2px solid transparent; font-size: 14px; transition: color .2s ease, border-color .2s ease; }
.primary-nav a:hover, .primary-nav .is-active { color: var(--blue); border-bottom-color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; white-space: nowrap; font-size: 14px; }
.text-link:hover { color: var(--blue); }
.register-link, .button-primary { color: #fff; background: linear-gradient(100deg, var(--blue), var(--purple)); box-shadow: 0 8px 20px rgba(74, 91, 225, .2); }
.register-link { display: inline-flex; min-height: 36px; align-items: center; padding: 5px 17px; border-radius: 6px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 9px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 21px; height: 2px; margin: 4px auto; background: var(--ink); }

.hero-section { position: relative; overflow: hidden; min-height: 510px; background: #eef1ff; }
.hero-network { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(239, 242, 255, .99) 0%, rgba(239, 242, 255, .92) 42%, rgba(239, 242, 255, .25) 78%), url("./images/help-hero-network.jpg") right center / cover no-repeat; }
.hero-section::after { position: absolute; right: 9%; bottom: 0; width: 34%; height: 4px; content: ""; background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent); opacity: .75; }
.hero-content { position: relative; z-index: 1; padding-top: 102px; padding-bottom: 70px; }
.eyebrow { margin: 0 0 8px; color: var(--blue); font-size: 13px; font-weight: 700; }
.hero-content h1, .page-intro h1, .article-header h1 { margin: 0; color: var(--ink); font-size: 48px; line-height: 1.22; letter-spacing: 0; }
.hero-content h1 { width: fit-content; color: transparent; background: linear-gradient(95deg, #25325f 0%, var(--blue) 56%, var(--purple)); background-clip: text; -webkit-background-clip: text; }
.hero-copy { max-width: 540px; margin: 18px 0 25px; color: #596483; font-size: 17px; }
.search-box { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; width: min(620px, 100%); min-height: 58px; padding: 6px 7px 6px 18px; border: 1px solid rgba(117, 119, 204, .2); border-radius: 8px; background: #fff; box-shadow: 0 18px 40px rgba(75, 76, 151, .14); }
.search-box svg { width: 22px; fill: none; stroke: #8490ae; stroke-width: 1.8; }
.search-box input { width: 100%; height: 44px; padding: 0 14px; color: var(--ink); border: 0; outline: 0; background: transparent; }
.search-box input::placeholder { color: #9aa3b7; }
.search-box button { min-width: 82px; min-height: 44px; padding: 8px 18px; color: #fff; border: 0; border-radius: 6px; background: linear-gradient(100deg, var(--blue), var(--purple)); cursor: pointer; }
.search-results { position: absolute; z-index: 5; width: min(620px, calc(100% - 40px)); max-height: 330px; margin-top: 8px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: 0 18px 42px rgba(41, 50, 93, .16); }
.search-result-status { margin: 0; padding: 18px 20px; color: var(--muted); font-size: 14px; }
.search-result-list { margin: 0; padding: 8px; list-style: none; }
.search-result-list li + li { border-top: 1px solid var(--line); }
.search-result-list a { display: grid; gap: 2px; padding: 12px; border-radius: 6px; }
.search-result-list a:hover { background: #f3f6ff; }
.search-result-list strong { color: var(--ink); font-size: 14px; }
.search-result-list span { color: var(--muted); font-size: 12px; }
.hero-links { display: flex; gap: 10px; margin-top: 18px; color: #65708e; font-size: 13px; }
.hero-links a:hover { color: var(--blue); }

.section { padding: 76px 0; }
.section-muted { background: #eff3ff; }
.section-heading { max-width: 650px; margin-bottom: 30px; }
.section-heading h2 { margin: 0; color: var(--ink); font-size: 30px; line-height: 1.3; letter-spacing: 0; }
.section-heading p:not(.eyebrow) { margin: 10px 0 0; color: var(--muted); }
.section-heading.compact { margin-bottom: 24px; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.category-card { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 15px; align-items: start; min-height: 164px; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(49, 68, 126, .05); transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.category-card:hover { border-color: #bdc9ff; transform: translateY(-3px); box-shadow: var(--shadow); }
.category-icon { display: grid; width: 48px; height: 48px; place-items: center; color: var(--blue); border-radius: 8px; background: #edf3ff; }
.category-card:nth-child(3n + 2) .category-icon { color: var(--purple); background: #f1efff; }
.category-card:nth-child(3n) .category-icon { color: #128cb8; background: #eaf9fd; }
.category-icon svg, .side-card-icon svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.category-copy { display: grid; min-width: 0; gap: 5px; }
.category-copy strong { color: var(--ink); font-size: 17px; }
.category-copy small { color: var(--muted); font-size: 13px; line-height: 1.55; }
.category-copy em { margin-top: 6px; color: var(--blue); font-size: 12px; font-style: normal; }
.arrow, .feed-link span, .inline-link span { color: var(--blue); font-size: 19px; transition: transform .2s ease; }
.category-card:hover .arrow, .feed-link:hover span, .inline-link:hover span { display: inline-block; transform: translateX(3px); }

.article-feed { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.feed-item { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 25px 30px; border-bottom: 1px solid var(--line); }
.feed-item:last-child { border-bottom: 0; }
.article-meta { margin: 0 0 5px; color: #8b95ab; font-size: 13px; }
.feed-item h3, .feed-item h2 { margin: 0; color: var(--ink); font-size: 18px; line-height: 1.45; }
.feed-item h3 a:hover, .feed-item h2 a:hover, .news-card h2 a:hover { color: var(--blue); }
.feed-item p:not(.article-meta) { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.feed-link { color: var(--blue); font-size: 14px; font-weight: 700; white-space: nowrap; }
.empty-state { display: grid; min-height: 180px; place-content: center; padding: 32px; text-align: center; color: var(--muted); }
.empty-state strong { color: var(--ink); }
.empty-state p { margin: 5px 0 0; font-size: 14px; }
.empty-state.wide { grid-column: 1 / -1; background: var(--surface); }

.page-intro { padding: 62px 0 58px; background: linear-gradient(115deg, #edf2ff, #f7f7ff 55%, #f2efff); }
.news-intro { background: linear-gradient(115deg, #edf4ff, #fff 55%, #f4f0ff); }
.breadcrumb { display: flex; gap: 9px; align-items: center; margin-bottom: 24px; overflow: hidden; color: #8a94a8; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.breadcrumb a:hover { color: var(--blue); }
.page-intro h1 { font-size: 36px; }
.page-intro p:last-child { max-width: 680px; margin: 11px 0 0; color: var(--muted); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; align-items: start; gap: 28px; }
.article-feed-card { min-width: 0; }
.side-card { display: flex; flex-direction: column; align-items: flex-start; padding: 27px; border: 1px solid #dce3ff; border-radius: var(--radius); background: linear-gradient(145deg, #f5f7ff, #f1efff); }
.side-card-icon { display: grid; width: 44px; height: 44px; place-items: center; color: var(--purple); border-radius: 8px; background: #fff; box-shadow: 0 7px 18px rgba(81, 76, 171, .1); }
.side-card h2 { margin: 18px 0 0; color: var(--ink); font-size: 19px; }
.side-card p { margin: 9px 0 18px; color: var(--muted); font-size: 14px; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 9px 20px; border: 1px solid transparent; border-radius: 7px; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-quiet { width: 100%; margin-top: 10px; color: var(--blue); border-color: #c8d4ff; background: #fff; }
.side-card .button-primary { width: 100%; }

.news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.news-grid { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.news-card { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 190px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 7px 20px rgba(49, 68, 126, .05); transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.news-card:hover { border-color: #cbd5f4; transform: translateY(-2px); box-shadow: var(--shadow); }
.news-cover { display: block; min-height: 190px; overflow: hidden; background: #e9efff; }
.news-cover img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.news-card:hover .news-cover img { transform: scale(1.025); }
.news-cover-placeholder { display: grid; place-items: center; color: rgba(255, 255, 255, .8); background: linear-gradient(125deg, var(--blue-dark), var(--purple)); font-size: 19px; font-weight: 700; }
.news-card-body { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; padding: 22px 26px; }
.news-card h2 { margin: 2px 0 8px; color: var(--ink); font-size: 20px; line-height: 1.45; }
.news-card p:not(.article-meta) { display: -webkit-box; margin: 0; overflow: hidden; color: var(--muted); overflow-wrap: anywhere; font-size: 14px; line-height: 1.7; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.inline-link { display: inline-flex; gap: 7px; align-items: center; margin-top: auto; padding-top: 14px; color: var(--blue); font-size: 14px; font-weight: 700; }
.news-sidebar { position: sticky; top: 92px; display: grid; gap: 16px; }
.sidebar-panel { padding: 23px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(49, 68, 126, .05); }
.sidebar-eyebrow { margin: 0 0 4px; color: var(--blue); font-size: 12px; font-weight: 700; }
.sidebar-panel h2 { margin: 0; color: var(--ink); font-size: 18px; line-height: 1.4; }
.sidebar-category-list { display: grid; margin-top: 14px; border-top: 1px solid var(--line); }
.sidebar-category-list a { display: flex; min-height: 44px; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); color: var(--text); font-size: 14px; transition: color .2s ease, padding .2s ease; }
.sidebar-category-list a:last-child { border-bottom: 0; }
.sidebar-category-list a:hover { padding-left: 4px; color: var(--blue); }
.sidebar-category-list a.is-active { color: var(--blue); font-weight: 700; }
.sidebar-category-list small { flex: 0 0 auto; color: #929bb0; font-size: 12px; }
.sidebar-category-list a.is-active small { color: var(--blue); }
.sidebar-empty { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.content-overview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.content-overview div { display: grid; gap: 1px; padding: 14px 0; }
.content-overview div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.content-overview strong { color: var(--ink); font-size: 24px; line-height: 1.2; }
.content-overview span, .latest-updated { color: var(--muted); font-size: 12px; }
.latest-updated { margin: 13px 0 8px; }
.sidebar-link-list { display: grid; border-top: 1px solid var(--line); }
.sidebar-link-list a { display: flex; min-height: 44px; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); color: var(--blue); font-size: 13px; font-weight: 700; }
.sidebar-link-list a:last-child { border-bottom: 0; }
.sidebar-service { border-color: #d7dfff; background: linear-gradient(145deg, #f6f8ff, #f2efff); }
.sidebar-service > p:not(.sidebar-eyebrow) { margin: 9px 0 17px; color: var(--muted); font-size: 13px; }
.sidebar-service .button-primary { width: 100%; }

.article-page { padding: 34px 0 80px; }
.article-sheet { padding: 54px 58px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.article-header { max-width: 850px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.article-header h1 { font-size: 42px; }
.article-header .article-meta { margin-top: 13px; }
.article-summary { margin: 16px 0 0; color: var(--muted); font-size: 16px; }
.article-hero-image { display: block; width: 100%; aspect-ratio: 16 / 8; margin-top: 30px; border-radius: 8px; object-fit: cover; }
.article-body-layout { display: grid; grid-template-columns: minmax(0, 800px) 240px; gap: 52px; align-items: start; padding-top: 34px; }
.article-main { min-width: 0; }
.article-content { color: #485372; }
.article-content h2, .article-content h3 { color: var(--ink); line-height: 1.4; scroll-margin-top: 90px; }
.article-content h2 { margin: 38px 0 14px; font-size: 25px; }
.article-content h3 { margin: 27px 0 10px; font-size: 19px; }
.article-content h2:first-child, .article-content h3:first-child { margin-top: 0; }
.article-content p, .article-content ul, .article-content ol { margin: 0 0 17px; }
.article-content li + li { margin-top: 7px; }
.article-content a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.article-content img { display: block; max-width: 100%; height: auto; margin: 25px auto; border-radius: 8px; }
.article-content blockquote { margin: 24px 0; padding: 15px 19px; border-left: 3px solid var(--purple); background: #f3f4ff; color: #60708e; }
.article-toc nav { position: sticky; top: 94px; padding: 20px; border-left: 2px solid #dfe5ff; }
.article-toc strong { color: var(--ink); font-size: 14px; }
.article-toc ol { display: grid; gap: 9px; margin: 13px 0 0; padding: 0; list-style: none; }
.article-toc li[data-level="3"] { padding-left: 12px; }
.article-toc a { display: block; color: var(--muted); font-size: 13px; line-height: 1.45; }
.article-toc a:hover, .article-toc a.is-active { color: var(--blue); }
.article-navigation { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 44px; }
.article-navigation a { display: grid; gap: 3px; min-height: 76px; padding: 15px; border: 1px solid var(--line); border-radius: 8px; transition: border-color .2s ease, background .2s ease; }
.article-navigation a:hover { border-color: #b8c7ff; background: #f5f7ff; }
.article-navigation small { color: #8b95ab; }
.article-navigation span { color: var(--ink); font-size: 14px; font-weight: 700; }
.recommended-section { margin-top: 48px; }
.recommended-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.recommended-list a { display: flex; justify-content: space-between; gap: 18px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-size: 14px; background: #fff; transition: background .2s ease, border-color .2s ease; }
.recommended-list a:hover { border-color: #b8c7ff; background: #f5f7ff; }
.recommended-list a span:last-child { color: var(--blue); }

.site-footer { padding-top: 56px; border-top: 1px solid var(--line); background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 44px; padding-bottom: 42px; }
.footer-brand { margin-bottom: 12px; }
.footer-grid p { max-width: 290px; margin: 0; color: var(--muted); font-size: 13px; }
.footer-grid h2 { margin: 3px 0 12px; color: var(--ink); font-size: 14px; }
.footer-grid > div:not(:first-child) { display: grid; align-content: start; gap: 7px; }
.footer-grid > div:not(:first-child) a { color: var(--muted); font-size: 13px; }
.footer-grid > div:not(:first-child) a:hover { color: var(--blue); }
.footer-bottom { padding: 18px 0; border-top: 1px solid var(--line); color: #919aab; font-size: 12px; }
.back-to-top { position: fixed; right: 24px; bottom: 24px; z-index: 20; width: 44px; height: 44px; border: 0; border-radius: 50%; color: #fff; background: linear-gradient(135deg, var(--blue), var(--purple)); box-shadow: 0 10px 22px rgba(57, 91, 210, .25); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .45s ease, transform .45s ease; }
[data-reveal].is-revealed { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .nav-shell { gap: 18px; }
  .primary-nav { gap: 17px; }
  .primary-nav a:nth-last-child(-n + 2) { display: none; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .news-layout { grid-template-columns: minmax(0, 1fr) 280px; }
  .news-card { grid-template-columns: 220px minmax(0, 1fr); }
  .article-sheet { padding: 44px 38px; }
  .article-body-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 32px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2; }
}

@media (max-width: 760px) {
  .page-shell, .nav-shell { width: min(100% - 32px, 1180px); }
  .site-header, .nav-shell { height: 62px; }
  .brand { font-size: 18px; }
  .brand-mark, .brand-logo { width: 34px; height: 34px; flex-basis: 34px; font-size: 20px; }
  .menu-toggle { display: block; margin-left: auto; }
  .primary-nav { display: none; position: absolute; top: 62px; right: 16px; left: 16px; height: auto; padding: 8px 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
  .primary-nav.is-open { display: grid; }
  .primary-nav a, .primary-nav a:nth-last-child(-n + 2) { display: flex; height: auto; min-height: 44px; padding: 8px 0; border-bottom: 1px solid var(--line); }
  .primary-nav a:last-child { border-bottom: 0; }
  .primary-nav a.is-active { border-bottom-color: var(--line); }
  .nav-actions { margin-left: 0; }
  .nav-actions .text-link { display: none; }
  .register-link { min-height: 34px; padding: 4px 12px; }
  .hero-section { min-height: 470px; }
  .hero-network { background: linear-gradient(90deg, rgba(239, 242, 255, .97), rgba(239, 242, 255, .86)), url("./images/help-hero-network.jpg") center / cover no-repeat; }
  .hero-content { padding-top: 72px; }
  .hero-content h1 { font-size: 36px; }
  .search-box { grid-template-columns: 22px minmax(0, 1fr); padding-right: 14px; }
  .search-box button { grid-column: 1 / -1; width: 100%; margin-top: 6px; }
  .section { padding: 56px 0; }
  .section-heading h2 { font-size: 26px; }
  .category-grid, .news-grid, .recommended-list { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 1fr; min-height: 0; }
  .news-cover { min-height: 0; aspect-ratio: 16 / 9; }
  .news-card-body { padding: 22px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar-service { grid-column: 1 / -1; }
  .content-layout { grid-template-columns: 1fr; }
  .feed-item { grid-template-columns: 1fr; gap: 13px; padding: 22px; }
  .feed-link { justify-self: start; }
  .page-intro { padding: 44px 0; }
  .page-intro h1 { font-size: 31px; }
  .article-page { padding: 22px 0 58px; }
  .article-sheet { padding: 28px 22px; }
  .article-header h1 { font-size: 32px; }
  .article-body-layout { display: flex; flex-direction: column; gap: 22px; padding-top: 25px; }
  .article-toc { order: -1; width: 100%; }
  .article-toc nav { position: static; padding: 17px; border: 1px solid var(--line); border-left: 3px solid var(--purple); border-radius: 8px; background: #f8f8ff; }
  .article-navigation { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .back-to-top { right: 16px; bottom: 16px; }
}

@media (max-width: 420px) {
  .category-card { grid-template-columns: 44px minmax(0, 1fr); padding: 20px; }
  .category-card .arrow { display: none; }
  .category-icon { width: 44px; height: 44px; }
  .news-sidebar { grid-template-columns: 1fr; }
  .sidebar-service { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}