.page-container[data-astro-cid-vljf6grp]{max-width:960px;margin:0 auto;padding:2rem 1.5rem 5rem}.breadcrumb[data-astro-cid-vljf6grp]{color:#78716c;align-items:center;gap:.5rem;margin-bottom:2rem;font-size:.88rem;display:flex}.breadcrumb[data-astro-cid-vljf6grp] a[data-astro-cid-vljf6grp]{color:#57534e;text-decoration:none}.breadcrumb[data-astro-cid-vljf6grp] a[data-astro-cid-vljf6grp]:hover{color:var(--primary)}.breadcrumb[data-astro-cid-vljf6grp] .sep[data-astro-cid-vljf6grp]{color:#d6d3d1}.breadcrumb[data-astro-cid-vljf6grp] .current[data-astro-cid-vljf6grp]{color:#a8a29e}.section-hero[data-astro-cid-vljf6grp]{text-align:center;max-width:780px;margin:0 auto 3.5rem}.badge-pill[data-astro-cid-vljf6grp]{color:#57534e;background:#fff;border:1px solid #e7e5e4;border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1.25rem;padding:.35rem .9rem;font-size:.8rem;font-weight:600;display:inline-flex;box-shadow:0 1px 2px #00000008}.badge-pill[data-astro-cid-vljf6grp] .dot[data-astro-cid-vljf6grp]{background:#c9372c;border-radius:50%;width:6px;height:6px}.hero-title[data-astro-cid-vljf6grp]{color:#1c1917;margin-bottom:1.25rem;font-size:2.25rem;font-weight:700;line-height:1.25}.accent-text[data-astro-cid-vljf6grp]{color:#c9372c}.hero-desc[data-astro-cid-vljf6grp]{color:#57534e;font-size:1.05rem;line-height:1.7}.rules-list[data-astro-cid-vljf6grp]{flex-direction:column;gap:2rem;margin-bottom:4rem;display:flex}.rule-card[data-astro-cid-vljf6grp]{background:#fff;border:1px solid #e7e5e4;border-radius:16px;padding:2rem;box-shadow:0 2px 8px #00000005}.rule-header[data-astro-cid-vljf6grp]{border-bottom:1px solid #f5f5f4;align-items:center;gap:1.25rem;margin-bottom:1.25rem;padding-bottom:1rem;display:flex}.rule-num[data-astro-cid-vljf6grp]{color:#c9372c;opacity:.9;font-size:2rem;font-weight:900;line-height:1}.rule-name-zh[data-astro-cid-vljf6grp]{color:#1c1917;margin:0;font-size:1.4rem;font-weight:700}.rule-summary[data-astro-cid-vljf6grp]{color:#292524;margin-bottom:.75rem;font-size:1.05rem;font-weight:600}.rule-principle[data-astro-cid-vljf6grp]{color:#57534e;margin-bottom:1.5rem;font-size:.95rem;line-height:1.7}.examples-wrap[data-astro-cid-vljf6grp]{background:#fafaf9;border:1px solid #f5f5f4;border-radius:12px;margin-bottom:1.25rem;padding:1.25rem}.examples-label[data-astro-cid-vljf6grp]{color:#78716c;margin-bottom:.85rem;font-size:.85rem;font-weight:600;display:block}.char-cards-grid[data-astro-cid-vljf6grp]{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.75rem;display:grid}.char-pill-card[data-astro-cid-vljf6grp]{color:inherit;background:#fff;border:1px solid #e7e5e4;border-radius:10px;align-items:center;gap:.75rem;padding:.65rem .85rem;text-decoration:none;transition:all .15s;display:flex}.char-pill-card[data-astro-cid-vljf6grp]:hover{border-color:#c9372c;transform:translateY(-1px);box-shadow:0 4px 10px #c9372c14}.pill-char[data-astro-cid-vljf6grp]{color:#1c1917;font-size:1.75rem;font-weight:700;line-height:1}.pill-meta[data-astro-cid-vljf6grp]{flex-direction:column;flex:1;display:flex}.pill-pinyin[data-astro-cid-vljf6grp]{color:#c9372c;font-size:.82rem;font-weight:600}.pill-strokes[data-astro-cid-vljf6grp]{color:#a8a29e;font-size:.75rem}.pill-arrow[data-astro-cid-vljf6grp]{color:#d6d3d1;font-size:.9rem}.rule-tip[data-astro-cid-vljf6grp]{color:#78716c;background:#fdfaf6;border-left:3px solid #c9372c;border-radius:4px;align-items:flex-start;gap:.65rem;padding:.65rem 1rem;font-size:.9rem;line-height:1.6;display:flex}.tip-text[data-astro-cid-vljf6grp]{margin:0}.exceptions-section[data-astro-cid-vljf6grp]{margin-bottom:4rem}.section-title-wrap[data-astro-cid-vljf6grp]{margin-bottom:2rem}.section-heading[data-astro-cid-vljf6grp]{color:#1c1917;align-items:center;gap:.75rem;margin-bottom:.5rem;font-size:1.5rem;display:flex}.accent-bar[data-astro-cid-vljf6grp]{background:#c9372c;border-radius:2px;width:4px;height:1.25rem}.section-lead[data-astro-cid-vljf6grp]{color:#78716c;margin:0;font-size:.95rem}.exceptions-grid[data-astro-cid-vljf6grp]{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;display:grid}.exception-card[data-astro-cid-vljf6grp]{background:#fff;border:1px solid #e7e5e4;border-radius:14px;padding:1.5rem}.exc-title-zh[data-astro-cid-vljf6grp]{color:#1c1917;margin-bottom:.75rem;font-size:1.1rem;font-weight:700}.exc-desc[data-astro-cid-vljf6grp]{color:#57534e;margin-bottom:1.25rem;font-size:.9rem;line-height:1.6}.exc-chars[data-astro-cid-vljf6grp]{flex-wrap:wrap;gap:.65rem;display:flex}.exc-char-badge[data-astro-cid-vljf6grp]{color:#1c1917;background:#fafaf9;border:1px solid #e7e5e4;border-radius:8px;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.25rem;font-weight:700;text-decoration:none;transition:all .15s;display:inline-flex}.exc-char-badge[data-astro-cid-vljf6grp]:hover{color:#fff;background:#c9372c;border-color:#c9372c}.faqs-section[data-astro-cid-vljf6grp]{margin-bottom:4rem}.faqs-list[data-astro-cid-vljf6grp]{flex-direction:column;gap:1rem;display:flex}.faq-item[data-astro-cid-vljf6grp]{background:#fff;border:1px solid #e7e5e4;border-radius:12px;padding:1rem 1.25rem}.faq-q[data-astro-cid-vljf6grp]{color:#1c1917;cursor:pointer;justify-content:space-between;align-items:center;font-size:1rem;font-weight:600;list-style:none;display:flex}.faq-q[data-astro-cid-vljf6grp]::-webkit-details-marker{display:none}.faq-a[data-astro-cid-vljf6grp]{color:#57534e;padding-top:.75rem;font-size:.92rem;line-height:1.7}.faq-a[data-astro-cid-vljf6grp] p[data-astro-cid-vljf6grp]{margin:0}.promo-wrap[data-astro-cid-vljf6grp]{margin-top:3rem}