:root { color-scheme: light; }
        [hidden] { display: none !important; }
        .wrap { max-width: 1200px; margin: auto; padding-inline: 24px; }
        .hero { max-width: none; padding: 144px 0 64px; }
        .hero h1 { max-width: 850px; font-size: clamp(2rem, 5vw + 1rem, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; margin: 18px 0 24px; }
        .eyebrow { color: var(--primary); font-size: 13px; font-weight: 700; }
        .lead { max-width: 780px; font-size: 1.25rem; color: var(--text-muted); margin-bottom: 24px; }
        .meta, .note { color: var(--text-muted); font-size: 14px; }
        .layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 64px; padding-block: 48px 64px; align-items: start; }
        article { min-width: 0; }
        .quick { padding: 24px; background: var(--bg-secondary); border-radius: 16px; margin-bottom: 32px; border: 1px solid var(--border-light); }
        .step { border-top: 1px solid var(--border-light); padding: 30px 0; }
        .step h2, .cta h2, .faq h2 { font-size: 1.5rem; margin-bottom: 16px; line-height: 1.35; }
        .step p { color: var(--text-muted); margin-bottom: 12px; }
        .number { display: block; color: var(--primary); font-size: 14px; font-weight: 800; margin-bottom: 10px; }
        aside { background: white; border: 1px solid var(--border-light); border-radius: 16px; padding: 20px; box-shadow: var(--shadow-card); }
        figure img { display: block; width: 100%; height: auto; border-radius: 12px; }
        figcaption { margin-top: 14px; font-size: 13px; color: var(--text-muted); }
        .faq { padding: 24px 0; }
        .faq-item { margin-bottom: 16px; }
        .cta { background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: 24px; padding: 32px; margin-top: 24px; }
        .cta p { margin-bottom: 20px; color: var(--text-muted); }
        .cta .note { margin: 16px 0 0; }
        .footer a:hover { color: var(--primary); }
        .guide-body { background: var(--bg-main); }
        @media (max-width: 780px) {
            .layout { grid-template-columns: 1fr; gap: 32px; }
            aside { max-width: 340px; margin-inline: auto; }
            .hero { padding: 120px 0 40px; text-align: center; }
            .hero h1 { font-size: 2rem; }
            .lead { font-size: 1rem; }
            .navbar-content { padding-inline: 16px; gap: 10px; }
            .nav-back-link { font-size: .8rem; }
            .logo { font-size: 1.15rem; gap: 8px; }
            .lang-btn { padding-inline: 10px; }
            .cta { padding: 24px; }
        }
        @media (max-width: 360px) { .logo img { width: 30px; height: 30px; } .navbar-content { padding-inline: 10px; gap: 6px; } }