:root{
    --gold:#D9A21B;--gold-soft:#F1C96A;--ink:#2B261D;--body:#302D28;--muted:#756F64;
    --paper:#FFFDF7;--sand:#F7F1E3;--accent:#E9673F;--line:#E8DDC6;--white:#fff;
    --shadow:0 18px 55px rgba(43,38,29,.10);--radius:24px;--radius-sm:14px;--max:1180px;
}
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@media(max-width:600px){.section-wrap,.breadcrumbs,.footer-grid,.footer-bottom{width:min(100% - 28px,var(--max))}.header-inner{width:calc(100% - 24px)}.brand-lockup small{display:none}.home-intro{gap:24px}.intro-copy h1{font-size:2.45rem}.page-hero h1,.topic-hero h1,.not-found h1,.article-header h1{font-size:2.25rem}.lead{font-size:1rem}.intro-actions{align-items:stretch;flex-direction:column}.button{width:100%}.category-line{grid-template-columns:90px 1fr;gap:14px}.category-line img{width:90px;height:78px}.category-line b{display:none}.editor-grid{grid-template-columns:1fr}.updates-band{padding:54px 0}.app-rail,.topic-rail,.home-close{padding:54px 0}.facts-row,.step-flow,.ai-principles,.related-list,.safety-checks>div{grid-template-columns:1fr}.catalog-section{padding:44px 0}.catalog-section h2{font-size:1.8rem}.article-page{padding-top:38px}.article-body h2{font-size:1.45rem}.app-checklist li{grid-template-columns:1fr;gap:4px}.feature-stack article{grid-template-columns:1fr}.feature-stack article>a{display:none}.guide-steps article{grid-template-columns:48px 1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:4px}.search-panel{padding:24px 20px}.search-form>div{flex-direction:column}.search-form button{min-height:44px}}
@media(max-width:375px){.brand-lockup img{width:38px;height:38px}.brand-lockup strong{font-size:.95rem}.menu-toggle{padding:8px 10px}.intro-copy h1{font-size:2.12rem}.page-hero h1,.topic-hero h1,.not-found h1,.article-header h1{font-size:1.98rem}.category-line{grid-template-columns:1fr}.category-line img{width:100%;height:150px}.quiet-band{padding:24px 20px}.footer-grid,.footer-bottom{width:calc(100% - 28px)}}

.method-index{padding:42px 0 78px}.method-index>header{max-width:800px;margin-bottom:22px}.method-index>header h2{font-size:2.2rem;color:var(--ink);margin:.1em 0}.method-index>header p:last-child{color:var(--muted)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.method-grid article{border:1px solid var(--line);background:#fff;border-radius:18px;padding:20px}.method-grid h3{font-size:1.05rem;line-height:1.45;color:var(--ink)}.method-grid p{font-size:.87rem;color:var(--muted)}@media(max-width:900px){.method-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.method-grid{grid-template-columns:1fr}}