:root {
    --brand: #B93A4A;
    --brand-soft: #D9828D;
    --ink: #332D2F;
    --ink-strong: #2B2528;
    --muted: #756B6E;
    --bg: #FFF9F7;
    --surface: #FFFFFF;
    --surface-soft: #F6ECEB;
    --accent: #E45B4F;
    --line: #E8D9D8;
    --shadow: 0 18px 45px rgba(85, 45, 49, .10);
    --radius-lg: 30px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --shell: 1180px;
    --text-width: 760px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif; line-height: 1.75; text-rendering: optimizeLegibility; }
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #8F2937; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(228, 91, 79, .48); outline-offset: 3px; }
.shell { width: min(var(--shell), calc(100% - 48px)); margin-inline: auto; }
.section-space { padding: 88px 0; }
.eyebrow { margin: 0 0 10px; color: var(--brand); font-size: .82rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; left: 18px; top: 12px; z-index: 1000; transform: translateY(-180%); background: var(--ink-strong); color: #fff; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 80; background: rgba(255,249,247,.94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(185,58,74,.10); }
.header-inner { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink-strong); text-decoration: none; min-width: 180px; }
.brand img { width: 46px; height: 46px; object-fit: contain; border-radius: 12px; }
.brand span { display: grid; line-height: 1.18; }
.brand strong { font-size: 1.08rem; }
.brand small { color: var(--muted); margin-top: 4px; font-size: .72rem; }
.site-nav { display: flex; justify-content: center; align-items: center; gap: 4px; }
.site-nav a { color: var(--ink); text-decoration: none; padding: 9px 10px; border-radius: 12px; font-size: .92rem; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--surface-soft); color: var(--brand); }
.search-open, .menu-toggle { border: 1px solid var(--line); background: var(--surface); color: var(--ink-strong); border-radius: 999px; padding: 10px 15px; cursor: pointer; font-weight: 700; }
.search-open:hover, .menu-toggle:hover { border-color: var(--brand-soft); }
.menu-toggle { display: none; }
.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: start center; padding: 12vh 20px 20px; }
.search-backdrop { position: absolute; inset: 0; background: rgba(43,37,40,.62); }
.search-panel { position: relative; width: min(690px, 100%); background: var(--surface); border-radius: var(--radius-lg); padding: 38px; box-shadow: 0 26px 90px rgba(30,20,22,.28); }
.search-panel h2 { margin: 0 0 20px; font-size: clamp(1.7rem, 4vw, 2.5rem); }
.search-close { position: absolute; top: 20px; right: 20px; border: 0; background: var(--surface-soft); border-radius: 999px; padding: 8px 12px; cursor: pointer; }
.search-form label { display: block; font-weight: 700; margin-bottom: 8px; }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-row input, .inline-search input { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; background: #fff; color: var(--ink); }
.search-row button, .inline-search button { border: 0; border-radius: 14px; padding: 12px 18px; background: var(--brand); color: #fff; cursor: pointer; font-weight: 800; }
.search-note { color: var(--muted); margin: 14px 0 0; font-size: .9rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; border-radius: 999px; padding: 11px 20px; font-weight: 800; text-decoration: none; border: 1px solid transparent; }
.button.primary { background: var(--brand); color: #fff; box-shadow: 0 12px 25px rgba(185,58,74,.18); }
.button.primary:hover { background: #9F3040; color: #fff; }
.button.secondary { background: transparent; color: var(--brand); border-color: rgba(185,58,74,.32); }
.button.secondary:hover { background: #fff; border-color: var(--brand); }
.text-link { font-weight: 800; text-decoration: none; }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading h2 { margin: 0; color: var(--ink-strong); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.25; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; }
.split-heading > p { margin: 0; color: var(--muted); }
.home-hero { padding: 74px 0 76px; background: linear-gradient(180deg, #FFF9F7 0%, #F6ECEB 100%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero-copy h1 { margin: 0; color: var(--ink-strong); font-size: clamp(2.6rem, 5vw, 5rem); line-height: 1.04; letter-spacing: -.045em; }
.hero-lead { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: grid; gap: 8px; list-style: none; padding: 0; margin: 28px 0 0; color: var(--muted); }
.hero-points li { position: relative; padding-left: 22px; }
.hero-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-soft); }
.hero-media { margin: 0; position: relative; }
.hero-media img { width: 100%; aspect-ratio: 1.08 / 1; object-fit: cover; border-radius: 38px; box-shadow: var(--shadow); }
.hero-media figcaption { position: absolute; right: 18px; bottom: 18px; left: 18px; padding: 14px 16px; border-radius: 18px; background: rgba(255,249,247,.92); color: var(--ink); font-size: .88rem; backdrop-filter: blur(12px); }
.pathway-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pathway-card { overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: 0 12px 30px rgba(70,40,43,.05); }
.pathway-card img { width: 100%; aspect-ratio: 1.52 / 1; object-fit: cover; }
.pathway-card > div { padding: 22px; }
.pathway-card h3 { margin: 0 0 8px; font-size: 1.35rem; color: var(--ink-strong); }
.pathway-card p { margin: 0; color: var(--muted); }
.pathway-card a { display: inline-block; margin-top: 18px; font-weight: 800; text-decoration: none; }
.identity-band { background: var(--ink-strong); color: #f8efee; }
.identity-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; align-items: center; }
.identity-media img { width: 100%; min-height: 420px; object-fit: cover; border-radius: var(--radius-lg); }
.identity-copy h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.15; color: #fff; }
.identity-copy p:not(.eyebrow) { color: #d9cdcf; }
.identity-copy .text-link { color: #fff; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quick-item { padding: 30px 26px; border-right: 1px solid var(--line); }
.quick-item:last-child { border-right: 0; }
.quick-number { display: inline-block; color: var(--brand-soft); font-weight: 900; letter-spacing: .12em; margin-bottom: 22px; }
.quick-item h3 { margin: 0 0 9px; color: var(--ink-strong); }
.quick-item p { margin: 0 0 16px; color: var(--muted); }
.quick-item a { text-decoration: none; font-weight: 800; }
.browser-band { background: var(--surface-soft); }
.browser-grid { display: grid; grid-template-columns: 1fr .88fr; gap: 60px; align-items: center; }
.browser-grid h2, .mobile-grid h2, .safety-copy h2, .home-end h2 { margin: 0; color: var(--ink-strong); font-size: clamp(2rem, 3.5vw, 3.2rem); line-height: 1.15; }
.browser-grid p:not(.eyebrow), .mobile-grid p:not(.eyebrow), .safety-copy p:not(.eyebrow), .home-end p:not(.eyebrow) { color: var(--muted); }
.browser-grid img, .safety-grid img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; }
.inline-links { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 24px; }
.inline-links a { font-weight: 800; text-decoration: none; }
.mobile-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.mobile-grid > img { width: 100%; max-height: 620px; object-fit: cover; border-radius: 160px 160px 28px 28px; }
.check-list { padding: 0; margin: 24px 0; list-style: none; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }
.safety-panel { background: #3A3033; color: #f8efee; }
.safety-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 64px; align-items: center; }
.safety-copy h2 { color: #fff; }
.safety-copy p:not(.eyebrow) { color: #d9cdcf; }
.safety-copy .text-link { color: #fff; }
.faq-preview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.faq-preview-grid article { background: var(--surface); padding: 28px; }
.faq-preview-grid h3 { margin: 0 0 10px; color: var(--ink-strong); font-size: 1.08rem; }
.faq-preview-grid p { margin: 0; color: var(--muted); }
.search-band { padding-top: 36px; }
.search-band-inner { display: grid; grid-template-columns: .7fr 1.3fr; gap: 54px; align-items: center; padding: 42px 48px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.search-band-inner img { width: 100%; max-height: 260px; object-fit: cover; border-radius: 20px; }
.search-band h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.2; }
.search-band p:not(.eyebrow) { color: var(--muted); }
.inline-search { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 18px; }
.principles-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.principle-list { display: grid; }
.principle-list article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); }
.principle-list article:last-child { border-bottom: 1px solid var(--line); }
.principle-list > article > span { color: var(--brand-soft); font-weight: 900; }
.principle-list h3 { margin: 0 0 6px; color: var(--ink-strong); }
.principle-list p { margin: 0; color: var(--muted); }
.home-end { padding-top: 24px; }
.home-end-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; background: var(--surface-soft); border-radius: var(--radius-lg); padding: 30px; }
.home-end img { width: 100%; border-radius: 22px; object-fit: cover; }
.page-hero { padding: 64px 0 58px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #FFF9F7 0%, #FAF1EF 100%); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.page-hero-copy h1 { margin: 0; color: var(--ink-strong); font-size: clamp(2.5rem, 5vw, 4.7rem); line-height: 1.07; letter-spacing: -.035em; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 760px; margin: 22px 0 0; }
.page-hero-media { margin: 0; }
.page-hero-media img { width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.compact-hero .page-hero-media img { aspect-ratio: 1.5 / 1; }
.breadcrumb { margin-bottom: 26px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; color: var(--muted); font-size: .86rem; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #b7a9ac; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 72px; align-items: start; padding-top: 72px; padding-bottom: 88px; }
.article-body { min-width: 0; }
.prose-section { max-width: var(--text-width); padding: 0 0 50px; margin-bottom: 50px; border-bottom: 1px solid var(--line); }
.prose-section h2 { margin: 0 0 18px; color: var(--ink-strong); font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.25; }
.prose-section p { margin: 0 0 16px; font-size: 1.02rem; }
.prose-section p:last-child { margin-bottom: 0; }
.article-aside { min-width: 0; }
.sticky-card { position: sticky; top: 106px; }
.aside-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.aside-card h2 { margin: 0 0 18px; font-size: 1.25rem; line-height: 1.3; }
.aside-card nav { display: grid; }
.aside-card nav a { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-top: 1px solid var(--line); text-decoration: none; font-weight: 700; }
.end-cta { padding: 64px 0; background: var(--surface-soft); border-top: 1px solid var(--line); }
.end-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; }
.end-cta h2 { margin: 0; color: var(--ink-strong); font-size: clamp(1.6rem, 3vw, 2.5rem); }
.end-cta p:not(.eyebrow) { margin: 10px 0 0; color: var(--muted); }
.narrow-content { max-width: 900px; padding-top: 64px; padding-bottom: 88px; }
.intro-band { padding: 28px 30px; border-radius: var(--radius-md); background: var(--surface-soft); margin-bottom: 32px; }
.intro-band h2 { margin: 0 0 8px; font-size: 1.4rem; }
.intro-band p { margin: 0; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list > h2 { margin: 0 0 12px; font-size: 2rem; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.faq-list summary { list-style: none; cursor: pointer; padding: 19px 52px 19px 20px; font-weight: 800; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 20px; top: 16px; color: var(--brand); font-size: 1.35rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details > div { padding: 0 20px 20px; color: var(--muted); }
.faq-list details p { margin: 0; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 58px; }
.related-grid .section-heading { grid-column: 1 / -1; margin-bottom: 6px; }
.text-card { display: grid; gap: 8px; min-height: 126px; align-content: center; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; text-decoration: none; }
.text-card strong { color: var(--ink-strong); }
.text-card span { color: var(--muted); font-size: .9rem; }
.search-hero { padding-bottom: 44px; }
.search-page-grid { display: grid; grid-template-columns: 1.1fr .7fr; gap: 60px; align-items: center; }
.search-page-grid h1 { margin: 0; font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1.08; }
.search-page-grid img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; }
.wide-search { max-width: 660px; }
.search-results { min-height: 420px; }
.result-list { display: grid; gap: 14px; }
.result-item { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 24px 26px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.result-kicker { margin: 0 0 4px; color: var(--brand); font-weight: 800; font-size: .8rem; }
.result-item h3 { margin: 0 0 7px; font-size: 1.35rem; }
.result-item h3 a { color: var(--ink-strong); text-decoration: none; }
.result-item p:not(.result-kicker) { margin: 0; color: var(--muted); }
.result-arrow { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--surface-soft); text-decoration: none; font-size: 1.4rem; }
.empty-state { text-align: center; max-width: 680px; margin: 30px auto; padding: 46px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.empty-state h2 { margin: 0 0 10px; font-size: 2rem; }
.empty-state p { color: var(--muted); margin-bottom: 24px; }
.error-main { min-height: 66vh; display: grid; align-items: center; padding: 74px 0; }
.error-card { display: grid; grid-template-columns: 1fr .8fr; gap: 60px; align-items: center; padding: 44px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.error-card h1 { margin: 0; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: 1.08; color: var(--ink-strong); }
.error-card p:not(.eyebrow) { color: var(--muted); }
.error-card img { width: 100%; border-radius: 22px; }
.site-footer { padding: 64px 0 24px; background: var(--ink-strong); color: #d9cdcf; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .8fr); gap: 48px; }
.footer-brand p { max-width: 410px; }
.footer-logo { display: flex; gap: 12px; align-items: center; color: #fff; font-size: 1.15rem; }
.footer-logo img { border-radius: 10px; object-fit: contain; }
.domain-line { font-size: .86rem; color: #b9aaad; }
.site-footer nav { display: grid; align-content: start; gap: 8px; }
.site-footer nav h2 { margin: 0 0 10px; color: #fff; font-size: .95rem; }
.site-footer nav a { color: #d9cdcf; text-decoration: none; font-size: .9rem; }
.site-footer nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; align-items: center; border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; font-size: .82rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #fff; }
.back-top { position: fixed; right: 22px; bottom: 22px; z-index: 70; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--brand); box-shadow: 0 8px 24px rgba(40,30,32,.14); cursor: pointer; font-weight: 900; }
@media (max-width: 1080px) {
    .shell { width: min(100% - 40px, var(--shell)); }
    .header-inner { grid-template-columns: auto auto 1fr auto; gap: 14px; }
    .menu-toggle { display: inline-flex; justify-self: end; }
    .site-nav { display: none; position: absolute; left: 20px; right: 20px; top: 72px; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: 11px 12px; }
    .search-open { grid-column: 4; }
    .hero-grid, .identity-grid, .browser-grid, .mobile-grid, .safety-grid, .page-hero-grid, .search-page-grid { gap: 42px; }
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-item:nth-child(2) { border-right: 0; }
    .quick-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .article-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 44px; }
    .footer-grid { grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; }
}
@media (max-width: 900px) {
    .section-space { padding: 68px 0; }
    .hero-grid, .identity-grid, .browser-grid, .mobile-grid, .safety-grid, .page-hero-grid, .search-page-grid, .principles-grid, .home-end-inner, .search-band-inner { grid-template-columns: 1fr; }
    .hero-media { max-width: 700px; }
    .pathway-grid { grid-template-columns: 1fr; }
    .pathway-card { display: grid; grid-template-columns: .9fr 1.1fr; }
    .pathway-card img { height: 100%; aspect-ratio: auto; min-height: 260px; }
    .identity-media { order: 2; }
    .mobile-grid > img { max-width: 520px; max-height: 540px; }
    .article-layout { grid-template-columns: 1fr; }
    .prose-section { max-width: none; }
    .sticky-card { position: static; }
    .aside-card nav { grid-template-columns: repeat(2, 1fr); gap: 0 18px; }
    .end-cta-inner { grid-template-columns: 1fr; }
    .split-heading { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
    .search-band-inner img { max-width: 520px; }
}
@media (max-width: 680px) {
    .shell { width: min(100% - 28px, var(--shell)); }
    .header-inner { min-height: 68px; grid-template-columns: 1fr auto auto; gap: 8px; }
    .brand { min-width: 0; }
    .brand img { width: 40px; height: 40px; }
    .brand small { display: none; }
    .menu-toggle { grid-column: 2; padding: 8px 11px; }
    .search-open { grid-column: 3; padding: 8px 11px; font-size: .84rem; }
    .site-nav { top: 66px; left: 14px; right: 14px; }
    .section-space { padding: 54px 0; }
    .home-hero { padding: 48px 0 54px; }
    .hero-copy h1 { font-size: clamp(2.25rem, 12vw, 3.6rem); }
    .hero-actions { display: grid; }
    .button { width: 100%; }
    .hero-media img { border-radius: 26px; }
    .pathway-card { grid-template-columns: 1fr; }
    .pathway-card img { min-height: 0; aspect-ratio: 1.55 / 1; }
    .quick-grid { grid-template-columns: 1fr; }
    .quick-item { border-right: 0; border-bottom: 1px solid var(--line); }
    .quick-item:last-child { border-bottom: 0; }
    .faq-preview-grid { grid-template-columns: 1fr; }
    .search-band-inner, .home-end-inner { padding: 22px; }
    .inline-search, .search-row { grid-template-columns: 1fr; }
    .page-hero { padding: 42px 0 40px; }
    .page-hero-copy h1 { font-size: clamp(2.2rem, 12vw, 3.5rem); }
    .article-layout { padding-top: 50px; padding-bottom: 60px; }
    .prose-section { padding-bottom: 38px; margin-bottom: 38px; }
    .aside-card nav { grid-template-columns: 1fr; }
    .end-cta { padding: 50px 0; }
    .related-grid { grid-template-columns: 1fr; }
    .result-item { grid-template-columns: 1fr; }
    .result-arrow { display: none; }
    .error-card { grid-template-columns: 1fr; padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
    .search-panel { padding: 30px 22px 24px; }
    .search-modal { padding-top: 8vh; }
}
@media (max-width: 420px) {
    .shell { width: min(100% - 22px, var(--shell)); }
    .brand strong { font-size: .96rem; }
    .brand img { width: 36px; height: 36px; }
    .search-open { font-size: 0; width: 40px; height: 40px; position: relative; }
    .search-open::after { content: "搜"; font-size: .84rem; position: absolute; inset: 0; display: grid; place-items: center; }
    .hero-copy h1, .page-hero-copy h1 { letter-spacing: -.02em; }
    .hero-media figcaption { position: static; margin-top: 10px; background: transparent; padding: 0; }
    .browser-grid h2, .mobile-grid h2, .safety-copy h2, .home-end h2 { font-size: 2rem; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print {
    .site-header, .site-footer, .search-modal, .back-top, .article-aside, .hero-actions, .end-cta { display: none !important; }
    body { background: #fff; color: #000; }
    .shell { width: 100%; }
    .page-hero { background: #fff; border: 0; }
    .page-hero-grid { grid-template-columns: 1fr; }
    .page-hero-media { display: none; }
    .article-layout { display: block; padding-top: 20px; }
    a { color: #000; text-decoration: none; }
}