:root {
    --peach-50:#fff9f2; --peach-100:#fff0df; --peach-200:#ffdfbd; --peach-300:#ffc486;
    --peach-400:#f7a657; --peach-500:#ed872f; --peach-600:#cd6619; --peach-700:#9c4615;
    --ink:#2b211b; --ink-soft:#61534a; --cream:#fffdf9; --line:#eadfd4; --paper:#ffffff;
    --green:#496b5a; --dark:#27201d; --radius:20px; --radius-small:12px;
    --shadow:0 18px 50px rgba(80,47,22,.10); --container:min(1180px, calc(100% - 40px));
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--cream); font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif; font-size:16px; line-height:1.75; }
body.modal-open { overflow:hidden; }
img { display:block; max-width:100%; height:auto; }
a { color:inherit; text-decoration:none; }
button,input { font:inherit; }
button { cursor:pointer; }
.container { width:var(--container); margin-inline:auto; }
.skip-link { position:fixed; left:16px; top:-80px; z-index:999; padding:10px 16px; background:var(--dark); color:#fff; border-radius:8px; }
.skip-link:focus { top:16px; }
.site-header { position:sticky; top:0; z-index:50; background:rgba(255,253,249,.95); backdrop-filter:blur(14px); border-bottom:1px solid rgba(234,223,212,.8); }
.header-inner { min-height:78px; display:flex; align-items:center; gap:24px; }
.brand { display:flex; align-items:center; gap:11px; flex:none; }
.brand img { width:46px; height:46px; object-fit:contain; }
.brand span { display:flex; flex-direction:column; line-height:1.25; }
.brand strong { font-size:18px; letter-spacing:.02em; }
.brand small { color:var(--ink-soft); font-size:11px; margin-top:3px; }
.primary-nav { display:flex; justify-content:center; align-items:center; gap:4px; flex:1; }
.primary-nav a { padding:9px 10px; border-radius:9px; color:#4c413a; font-size:14px; white-space:nowrap; }
.primary-nav a:hover,.primary-nav a[aria-current="page"] { color:var(--peach-700); background:var(--peach-100); }
.search-trigger { flex:none; border:1px solid var(--line); color:var(--ink); background:#fff; border-radius:999px; padding:9px 15px; }
.search-trigger:hover { border-color:var(--peach-400); color:var(--peach-700); }
.menu-toggle { display:none; width:44px; height:42px; border:0; border-radius:10px; background:var(--peach-100); padding:9px; }
.menu-toggle span { display:block; width:22px; height:2px; margin:4px auto; background:var(--ink); }
.menu-toggle b { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
.search-modal[hidden] { display:none !important; }
.search-modal { position:fixed; inset:0; z-index:100; display:grid; place-items:start center; padding:11vh 20px 20px; }
.search-backdrop { position:absolute; inset:0; background:rgba(31,25,22,.7); backdrop-filter:blur(5px); }
.search-panel { position:relative; z-index:1; width:min(680px,100%); padding:38px; border-radius:24px; background:var(--cream); box-shadow:0 30px 100px rgba(0,0,0,.25); }
.search-panel h2 { margin:0 0 22px; font-size:clamp(25px,4vw,38px); }
.search-close { position:absolute; top:16px; right:16px; width:40px; height:40px; border:0; border-radius:50%; background:var(--peach-100); font-size:26px; line-height:1; }
.search-panel label,.search-page-form label { display:block; font-weight:700; margin-bottom:8px; }
.search-form-row,.search-page-form>div { display:flex; gap:10px; }
.search-form-row input,.search-page-form input { min-width:0; flex:1; border:1px solid #cdbfb5; border-radius:12px; background:#fff; padding:13px 16px; }
.search-form-row input:focus,.search-page-form input:focus { outline:3px solid rgba(237,135,47,.2); border-color:var(--peach-500); }
.search-form-row button,.search-page-form button { border:0; border-radius:12px; padding:12px 22px; color:#fff; background:var(--peach-600); font-weight:700; }
.search-hint { margin:14px 0 0; color:var(--ink-soft); font-size:14px; }
.site-main { min-height:65vh; overflow:hidden; }
.hero { position:relative; background:linear-gradient(130deg,#fffaf3 0%,#fff1dc 65%,#ffe1bd 100%); border-bottom:1px solid #f3d7bb; }
.hero::before { content:""; position:absolute; width:420px; height:420px; left:-250px; top:60px; border-radius:50%; border:70px solid rgba(255,255,255,.6); }
.hero-grid { position:relative; display:grid; grid-template-columns:1.05fr .95fr; align-items:center; gap:56px; min-height:670px; padding-block:70px; }
.eyebrow { margin:0 0 12px; color:var(--peach-700); font-size:12px; font-weight:800; letter-spacing:.18em; text-transform:uppercase; }
.hero h1 { max-width:660px; margin:0 0 22px; font-family:Georgia,"Songti SC",serif; font-size:clamp(42px,5.3vw,72px); line-height:1.12; letter-spacing:-.03em; }
.hero-lead { max-width:670px; margin:0 0 28px; color:#54483f; font-size:19px; line-height:1.85; }
.button-row { display:flex; flex-wrap:wrap; gap:12px; align-items:center; }
.button { display:inline-flex; justify-content:center; align-items:center; min-height:47px; padding:10px 20px; border:1px solid transparent; border-radius:999px; font-weight:700; transition:.2s ease; }
.button:hover { transform:translateY(-2px); }
.button.primary { color:#fff; background:var(--peach-600); box-shadow:0 10px 25px rgba(205,102,25,.22); }
.button.primary:hover { background:var(--peach-700); }
.button.secondary { border-color:#d8c8bc; background:#fff; }
.button.secondary:hover { border-color:var(--peach-500); color:var(--peach-700); }
.button.light { color:var(--dark); background:var(--peach-200); }
.hero-notes { display:flex; flex-wrap:wrap; gap:8px 22px; padding:0; margin:27px 0 0; list-style:none; color:#6b594d; font-size:13px; }
.hero-notes li::before { content:"✓"; margin-right:7px; color:var(--green); font-weight:800; }
.hero-media { position:relative; margin:0; }
.hero-media img { width:100%; aspect-ratio:1.1/1; object-fit:cover; border-radius:42% 42% 18% 18%; box-shadow:var(--shadow); }
.hero-media figcaption { position:absolute; left:-22px; bottom:30px; padding:12px 18px; border-radius:12px; color:#fff; background:rgba(39,32,29,.88); font-size:13px; }
.section { padding-block:88px; }
.section-tint { background:#f7f2ec; }
.section-peach { background:var(--peach-100); }
.section-heading { max-width:760px; margin-bottom:36px; }
.section-heading.split { max-width:none; display:flex; justify-content:space-between; align-items:end; gap:30px; }
.section-heading h2,.intro-band h2,.feature-split h2,.two-column h2,.final-cta h2,.compact-callout h2,.guide-strip h2 { margin:0; font-family:Georgia,"Songti SC",serif; font-size:clamp(30px,4vw,47px); line-height:1.24; }
.section-heading p:not(.eyebrow) { margin:12px 0 0; color:var(--ink-soft); font-size:17px; }
.intro-band { display:grid; grid-template-columns:.75fr 1.25fr; gap:70px; border-bottom:1px solid var(--line); }
.prose p { margin:0 0 16px; color:#544a43; font-size:17px; }
.category-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.category-card { overflow:hidden; border:1px solid var(--line); border-radius:var(--radius); background:#fff; transition:.25s ease; }
.category-card:hover { transform:translateY(-5px); box-shadow:var(--shadow); border-color:#e1c4a6; }
.category-card img { width:100%; aspect-ratio:1.5/1; object-fit:cover; }
.category-card div { padding:24px; }
.category-card span,.category-directory article span { color:var(--peach-700); font-size:12px; font-weight:800; letter-spacing:.08em; }
.category-card h3 { margin:5px 0 9px; font-size:23px; }
.category-card p { margin:0 0 17px; color:var(--ink-soft); font-size:14px; }
.category-card b { color:var(--peach-700); font-size:14px; }
.text-link { color:var(--peach-700); font-weight:700; }
.text-link:hover { text-decoration:underline; text-underline-offset:4px; }
.editorial-grid { display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:24px; }
.story-card { padding:25px 0 0; border-top:2px solid var(--ink); }
.story-card img { width:100%; aspect-ratio:1.55/1; margin-bottom:20px; object-fit:cover; border-radius:15px; }
.story-card h3 { margin:7px 0 8px; font-family:Georgia,"Songti SC",serif; font-size:22px; line-height:1.4; }
.story-card h3 a:hover { color:var(--peach-700); }
.story-card p { margin:0 0 12px; color:var(--ink-soft); font-size:14px; }
.story-card-lead { grid-row:span 2; }
.story-card-lead h3 { font-size:31px; }
.story-meta { color:#816f62; font-size:12px; font-weight:700; }
.dark-feature { color:#fdf8f2; background:var(--dark); }
.feature-split { display:grid; grid-template-columns:.9fr 1.1fr; align-items:center; gap:70px; }
.feature-split>img { width:100%; max-height:500px; object-fit:cover; border-radius:26px; }
.feature-split p { color:#d6c9bf; }
.feature-split .eyebrow { color:var(--peach-300); }
.check-list { display:grid; grid-template-columns:1fr 1fr; gap:13px; padding:0; margin:28px 0; list-style:none; }
.check-list li { position:relative; padding-left:28px; }
.check-list li::before { content:"✓"; position:absolute; left:0; color:var(--peach-300); font-weight:900; }
.check-list.peach li::before { color:var(--peach-600); }
.topic-list { border-top:1px solid var(--line); }
.topic-row { display:grid; grid-template-columns:220px 1fr; align-items:center; gap:30px; padding:24px 0; border-bottom:1px solid var(--line); }
.topic-row img { width:220px; height:140px; object-fit:cover; border-radius:14px; }
.topic-row h3 { margin:0 0 6px; font-size:24px; }
.topic-row p { margin:0 0 8px; color:var(--ink-soft); }
.topic-row span { color:var(--peach-700); font-weight:700; }
.topic-row:hover h3 { color:var(--peach-700); }
.guide-strip { display:grid; grid-template-columns:.65fr 1.35fr; gap:56px; align-items:start; }
.guide-strip ol { display:grid; grid-template-columns:1fr 1fr; gap:26px; counter-reset:guide; padding:0; margin:0; list-style:none; }
.guide-strip li { position:relative; padding-left:50px; }
.guide-strip li::before { counter-increment:guide; content:"0" counter(guide); position:absolute; left:0; top:0; color:var(--peach-700); font-weight:900; }
.guide-strip h3 { margin:0 0 7px; }
.guide-strip p { margin:0; color:var(--ink-soft); font-size:14px; }
.guide-strip>.button { grid-column:2; justify-self:start; }
.two-column { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:70px; }
.two-column>img { width:100%; max-height:420px; object-fit:cover; border-radius:20px; }
.two-column p:not(.eyebrow) { color:var(--ink-soft); font-size:17px; }
.faq-preview { background:#f6f0e9; }
.faq-list { max-width:900px; margin-bottom:24px; border-top:1px solid #d8cbc0; }
.faq-list details { border-bottom:1px solid #d8cbc0; }
.faq-list summary { position:relative; padding:20px 52px 20px 0; cursor:pointer; list-style:none; font-size:18px; font-weight:750; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content:"+"; position:absolute; right:6px; top:15px; color:var(--peach-700); font-size:27px; font-weight:400; }
.faq-list details[open] summary::after { content:"−"; }
.faq-list details p { max-width:760px; margin:-4px 0 22px; color:var(--ink-soft); }
.faq-list.large { max-width:960px; }
.faq-list.large summary { font-size:20px; padding-block:25px; }
.faq-list.large details p { font-size:17px; }
.final-cta { display:grid; grid-template-columns:.75fr 1.25fr; gap:60px; align-items:center; }
.final-cta img { width:100%; border-radius:20px; object-fit:cover; }
.final-cta p:not(.eyebrow) { color:var(--ink-soft); font-size:17px; }
.site-footer { color:#e8ddd4; background:#211b18; padding:70px 0 20px; }
.footer-grid { display:grid; grid-template-columns:1.7fr repeat(3,1fr); gap:48px; }
.footer-grid h2,.footer-grid h3 { color:#fff; }
.footer-about img { border-radius:12px; }
.footer-about h2 { margin:12px 0 7px; }
.footer-about p { max-width:390px; color:#bfb0a5; }
.footer-grid>div:not(.footer-about) { display:flex; flex-direction:column; align-items:flex-start; gap:9px; }
.footer-grid h3 { margin:0 0 10px; font-size:15px; }
.footer-grid a { color:#bfb0a5; font-size:14px; }
.footer-grid a:hover { color:var(--peach-300); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; margin-top:50px; padding-top:20px; border-top:1px solid #443832; color:#97887e; font-size:13px; }
.breadcrumbs { padding-top:24px; }
.breadcrumbs ol { display:flex; flex-wrap:wrap; gap:5px; padding:0; margin:0; list-style:none; color:#85766b; font-size:13px; }
.breadcrumbs li:not(:last-child)::after { content:"/"; margin-left:5px; color:#baa99d; }
.breadcrumbs a:hover { color:var(--peach-700); }
.page-hero { display:grid; grid-template-columns:1.05fr .95fr; align-items:center; gap:60px; padding-top:52px; padding-bottom:72px; border-bottom:1px solid var(--line); }
.page-hero.simple { display:block; max-width:900px; margin-left:calc((100% - min(1180px, calc(100% - 40px)))/2); }
.page-hero h1 { margin:0 0 18px; font-family:Georgia,"Songti SC",serif; font-size:clamp(38px,5vw,62px); line-height:1.18; }
.page-hero p:not(.eyebrow) { max-width:710px; margin:0; color:var(--ink-soft); font-size:18px; }
.page-hero img { width:100%; max-height:430px; object-fit:cover; border-radius:22px; }
.page-hero.dark-page { width:min(1240px, calc(100% - 40px)); margin-top:28px; padding:60px; color:#fff; background:var(--dark); border-radius:28px; border:0; }
.page-hero.dark-page p:not(.eyebrow) { color:#d4c7bd; }
.page-hero.dark-page .eyebrow { color:var(--peach-300); }
.article-list { display:grid; gap:0; border-top:1px solid var(--line); }
.article-list-item { display:grid; grid-template-columns:300px 1fr; align-items:center; gap:36px; padding:28px 0; border-bottom:1px solid var(--line); }
.article-list-item img { width:300px; height:190px; object-fit:cover; border-radius:14px; }
.article-list-item h2 { margin:6px 0 8px; font-family:Georgia,"Songti SC",serif; font-size:27px; line-height:1.35; }
.article-list-item h2 a:hover { color:var(--peach-700); }
.article-list-item p { margin:0 0 12px; color:var(--ink-soft); }
.article-list-item.text-only { grid-template-columns:1fr; }
.compact-callout { display:flex; justify-content:space-between; align-items:center; gap:40px; }
.compact-callout h2 { font-size:35px; }
.compact-callout p { margin:7px 0 0; color:var(--ink-soft); }
.category-directory { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.category-directory article { overflow:hidden; border:1px solid var(--line); border-radius:22px; background:#fff; }
.category-directory img { width:100%; aspect-ratio:1.65/1; object-fit:cover; }
.category-directory article>div { padding:28px; }
.category-directory h2 { margin:5px 0 8px; font-size:28px; }
.category-directory p { margin:0 0 20px; color:var(--ink-soft); }
.empty-state { padding:50px; border:1px dashed #d5bda9; border-radius:20px; background:var(--peach-50); text-align:center; }
.empty-state h2 { margin-top:0; }
.empty-state p { color:var(--ink-soft); }
.link-cloud { display:grid; grid-template-columns:repeat(5,1fr); gap:12px; }
.link-cloud a { padding:18px; border:1px solid var(--line); border-radius:12px; background:#fff; font-weight:700; }
.link-cloud span { display:block; margin-top:3px; color:var(--ink-soft); font-size:12px; font-weight:400; }
.link-cloud a:hover { border-color:var(--peach-400); }
.article-shell { padding-top:45px; }
.article-header { max-width:920px; margin:auto; text-align:center; }
.article-header h1 { margin:12px auto 18px; font-family:Georgia,"Songti SC",serif; font-size:clamp(38px,5vw,60px); line-height:1.2; }
.article-header>p { max-width:760px; margin:0 auto 35px; color:var(--ink-soft); font-size:19px; }
.article-header>img { width:100%; max-height:540px; object-fit:cover; border-radius:24px; }
.article-layout { display:grid; grid-template-columns:250px minmax(0,720px); justify-content:center; gap:70px; margin-top:65px; }
.article-toc { position:sticky; top:110px; align-self:start; padding:22px; border:1px solid var(--line); border-radius:15px; background:#fff; }
.article-toc strong { font-size:14px; }
.article-toc ol { padding-left:20px; margin:12px 0 20px; color:var(--ink-soft); font-size:13px; }
.article-toc li { margin-bottom:8px; }
.article-toc a:hover { color:var(--peach-700); }
.article-toc>a { color:var(--peach-700); font-size:13px; font-weight:700; }
.article-body section { scroll-margin-top:120px; margin-bottom:48px; }
.article-body h2 { margin:0 0 15px; font-family:Georgia,"Songti SC",serif; font-size:31px; line-height:1.35; }
.article-body p { margin:0; color:#4f4540; font-family:Georgia,"Songti SC",serif; font-size:18px; line-height:2; }
.article-note { padding:28px; border-left:4px solid var(--peach-500); background:var(--peach-50); }
.article-note h2 { font-size:23px; }
.article-note p { font-family:inherit; font-size:15px; line-height:1.8; }
.related-section { padding-top:70px; }
.related-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.related-grid a { padding:25px; border:1px solid var(--line); border-radius:16px; background:#fff; }
.related-grid a:hover { border-color:var(--peach-400); transform:translateY(-2px); }
.related-grid span { color:var(--peach-700); font-size:12px; font-weight:700; }
.related-grid h3 { margin:7px 0; font-size:20px; line-height:1.4; }
.related-grid p { margin:0; color:var(--ink-soft); font-size:14px; }
.step-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; padding:0; list-style:none; }
.step-grid li { padding:25px; border:1px solid var(--line); border-radius:17px; background:#fff; }
.step-grid span { color:var(--peach-600); font-size:29px; font-weight:900; }
.step-grid h3 { margin:12px 0 8px; }
.step-grid p { margin:0; color:var(--ink-soft); font-size:14px; }
.app-details { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:60px; }
.app-details img { width:100%; border-radius:22px; }
.issue-table { display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.issue-table>div { padding:25px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.issue-table strong { font-size:18px; }
.issue-table p { margin:6px 0 0; color:var(--ink-soft); }
.guide-chapters { max-width:930px; margin:auto; }
.guide-chapters article { display:grid; grid-template-columns:90px 1fr; gap:26px; padding:35px 0; border-bottom:1px solid var(--line); }
.guide-chapters article>span { color:var(--peach-300); font-family:Georgia,serif; font-size:55px; line-height:1; font-weight:800; }
.guide-chapters h2 { margin:0 0 10px; font-size:29px; }
.guide-chapters p { color:var(--ink-soft); }
.scenario-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.scenario-grid article { padding:25px; border-radius:16px; background:#fff; }
.scenario-grid h3 { margin-top:0; }
.scenario-grid p { margin-bottom:0; color:var(--ink-soft); font-size:14px; }
.topic-directory { display:grid; gap:40px; }
.topic-directory article { position:relative; display:grid; grid-template-columns:.9fr 1.1fr; align-items:center; gap:45px; padding:30px; border:1px solid var(--line); border-radius:24px; background:#fff; }
.topic-directory img { width:100%; border-radius:17px; }
.topic-directory h2 { margin:7px 0 10px; font-size:31px; }
.topic-directory p { color:var(--ink-soft); }
.topic-number { color:var(--peach-700); font-size:12px; font-weight:800; letter-spacing:.12em; }
.status-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.status-grid article { padding:28px; border:1px solid var(--line); border-radius:18px; }
.status-grid h2 { margin:14px 0 8px; font-size:22px; }
.status-grid p { margin:0; color:var(--ink-soft); }
.status { display:inline-block; padding:5px 10px; border-radius:999px; font-size:12px; font-weight:800; }
.status.confirmed { color:#315844; background:#dfefe5; }
.status.context { color:#705019; background:#faebc7; }
.status.pending { color:#7b3d2c; background:#f6dfd7; }
.source-feature { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:60px; }
.source-feature img { border-radius:20px; }
.source-feature h2 { margin:0; font-size:36px; }
.source-feature ol { padding-left:22px; color:var(--ink-soft); }
.source-feature li { margin:7px 0; }
.prose-page { max-width:860px; }
.prose-page h2 { margin:42px 0 10px; font-family:Georgia,"Songti SC",serif; font-size:30px; }
.prose-page h2:first-child { margin-top:0; }
.prose-page p { color:#4f4540; font-family:Georgia,"Songti SC",serif; font-size:17px; line-height:2; }
.safety-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.safety-grid article { padding:30px; border:1px solid var(--line); border-radius:18px; background:#fff; }
.safety-grid h2 { margin-top:0; }
.safety-grid p { margin-bottom:0; color:var(--ink-soft); }
.feature-split ol { padding-left:21px; color:#d6c9bf; }
.feature-split ol li { margin:9px 0; }
.contact-layout { display:grid; grid-template-columns:1.25fr .75fr; gap:60px; align-items:start; }
.contact-layout h2 { margin-top:0; font-size:30px; }
.contact-steps { padding:0; list-style:none; counter-reset:contact; }
.contact-steps li { display:grid; grid-template-columns:160px 1fr; gap:20px; padding:22px 0; border-bottom:1px solid var(--line); }
.contact-steps li::before { counter-increment:contact; content:"0" counter(contact); color:var(--peach-400); font-size:25px; font-weight:900; }
.contact-steps strong { grid-column:1; margin-top:-40px; padding-left:50px; }
.contact-steps span { grid-column:2; color:var(--ink-soft); }
.contact-card { padding:32px; border-radius:20px; background:var(--peach-100); }
.contact-card p { color:var(--ink-soft); }
.search-page { padding:60px 0 90px; }
.search-page>h1 { margin:0 0 30px; font-family:Georgia,"Songti SC",serif; font-size:clamp(37px,5vw,58px); }
.search-page-form { max-width:760px; margin-bottom:40px; }
.result-count { color:var(--ink-soft); }
.error-page { padding:110px 0 150px; text-align:center; }
.error-page h1 { margin:0 auto 15px; font-family:Georgia,"Songti SC",serif; font-size:clamp(40px,6vw,70px); }
.error-page p:not(.eyebrow) { max-width:650px; margin:0 auto 25px; color:var(--ink-soft); }
.error-page .button-row { justify-content:center; }
@media (max-width:1100px) {
    .header-inner { gap:14px; }
    .primary-nav a { padding-inline:7px; font-size:13px; }
    .hero-grid { gap:35px; min-height:610px; }
    .category-grid { grid-template-columns:repeat(2,1fr); }
    .editorial-grid { grid-template-columns:1fr 1fr; }
    .story-card-lead { grid-row:auto; }
    .step-grid,.scenario-grid { grid-template-columns:1fr 1fr; }
    .link-cloud { grid-template-columns:repeat(3,1fr); }
}
@media (max-width:900px) {
    :root { --container:min(100% - 32px, 760px); }
    .menu-toggle { display:block; margin-left:auto; }
    .primary-nav { position:absolute; left:16px; right:16px; top:70px; display:none; padding:12px; border:1px solid var(--line); border-radius:15px; background:#fff; box-shadow:var(--shadow); }
    .primary-nav.is-open { display:grid; grid-template-columns:1fr 1fr; }
    .primary-nav a { padding:11px; }
    .search-trigger { padding:9px 12px; }
    .hero-grid,.page-hero,.feature-split,.two-column,.final-cta,.source-feature,.app-details { grid-template-columns:1fr; }
    .hero-grid { padding-block:55px; }
    .hero-media { max-width:620px; }
    .hero-media img { aspect-ratio:1.5/1; border-radius:24px; }
    .hero-media figcaption { left:18px; }
    .intro-band { grid-template-columns:1fr; gap:20px; }
    .editorial-grid { grid-template-columns:1fr 1fr; }
    .guide-strip { grid-template-columns:1fr; }
    .guide-strip>.button { grid-column:1; }
    .footer-grid { grid-template-columns:1.4fr 1fr 1fr; }
    .footer-about { grid-column:1/-1; }
    .article-layout { grid-template-columns:1fr; gap:30px; }
    .article-toc { position:static; }
    .status-grid,.related-grid { grid-template-columns:1fr; }
    .topic-directory article { grid-template-columns:1fr; }
    .contact-layout { grid-template-columns:1fr; }
}
@media (max-width:650px) {
    :root { --container:calc(100% - 28px); }
    body { font-size:15px; }
    .brand small { display:none; }
    .brand strong { font-size:16px; }
    .brand img { width:40px; height:40px; }
    .header-inner { min-height:67px; }
    .search-trigger { font-size:0; width:40px; height:40px; padding:0; }
    .search-trigger::before { content:"⌕"; font-size:23px; }
    .search-panel { padding:30px 20px; }
    .search-form-row,.search-page-form>div { flex-direction:column; }
    .hero h1 { font-size:40px; }
    .hero-lead { font-size:16px; }
    .hero-notes { display:block; }
    .hero-notes li { margin:5px 0; }
    .section { padding-block:62px; }
    .category-grid,.editorial-grid,.category-directory,.guide-strip ol,.safety-grid { grid-template-columns:1fr; }
    .section-heading.split { display:block; }
    .section-heading.split .text-link { display:inline-block; margin-top:10px; }
    .check-list { grid-template-columns:1fr; }
    .topic-row { grid-template-columns:110px 1fr; gap:16px; }
    .topic-row img { width:110px; height:100px; }
    .topic-row h3 { font-size:19px; }
    .topic-row p { font-size:13px; }
    .guide-strip li { padding-left:43px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:35px 20px; }
    .footer-bottom { display:block; }
    .page-hero { gap:30px; padding-top:35px; padding-bottom:50px; }
    .page-hero.dark-page { width:calc(100% - 28px); padding:30px 22px; }
    .article-list-item { grid-template-columns:1fr; gap:20px; }
    .article-list-item img { width:100%; height:auto; }
    .compact-callout { display:block; }
    .compact-callout .button { margin-top:18px; }
    .link-cloud { grid-template-columns:1fr 1fr; }
    .article-header { text-align:left; }
    .article-header h1 { font-size:37px; }
    .article-body p { font-size:17px; }
    .step-grid,.scenario-grid { grid-template-columns:1fr; }
    .issue-table { grid-template-columns:1fr; }
    .guide-chapters article { grid-template-columns:55px 1fr; gap:15px; }
    .guide-chapters article>span { font-size:38px; }
    .contact-steps li { display:block; }
    .contact-steps li::before { margin-right:12px; }
    .contact-steps strong { margin:0; padding:0; }
    .contact-steps span { display:block; margin-top:6px; }
}
@media (max-width:390px) {
    .button-row .button { width:100%; }
    .primary-nav.is-open { grid-template-columns:1fr; max-height:70vh; overflow:auto; }
    .hero h1 { font-size:35px; }
    .section-heading h2,.intro-band h2,.feature-split h2,.two-column h2,.final-cta h2,.guide-strip h2 { font-size:31px; }
    .topic-row { grid-template-columns:1fr; }
    .topic-row img { width:100%; height:150px; }
    .footer-grid { grid-template-columns:1fr; }
    .link-cloud { grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce) {
    html { scroll-behavior:auto; }
    *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}