.page-wrapper[data-astro-cid-gx2gp4rz]{max-width:1160px;margin:0 auto;padding:0 16px 60px}.hero-section[data-astro-cid-gx2gp4rz]{text-align:center;padding:28px 0 36px}.hero-badge[data-astro-cid-gx2gp4rz]{display:inline-block;background:#ecfdf5;border:1px solid #bbf7d0;color:#166534;padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:700;margin-bottom:16px}.hero-icon[data-astro-cid-gx2gp4rz]{font-size:72px;margin-bottom:12px}.hero-section[data-astro-cid-gx2gp4rz] h1[data-astro-cid-gx2gp4rz]{font-size:clamp(2rem,5vw,3rem);line-height:1.1;font-weight:800;margin-bottom:14px;color:#111827}.hero-description[data-astro-cid-gx2gp4rz]{max-width:760px;margin:0 auto;font-size:1.05rem;line-height:1.7;color:#4b5563}.last-updated[data-astro-cid-gx2gp4rz]{margin-top:12px;font-size:.85rem;color:#6b7280}.calculator-card[data-astro-cid-gx2gp4rz]{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:28px;box-shadow:0 10px 35px #0000000f;margin-bottom:50px}.input-grid[data-astro-cid-gx2gp4rz]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:24px}.input-group[data-astro-cid-gx2gp4rz]{display:flex;flex-direction:column}.input-group[data-astro-cid-gx2gp4rz] label[data-astro-cid-gx2gp4rz]{font-size:.85rem;font-weight:700;margin-bottom:8px;color:#374151}.input-group[data-astro-cid-gx2gp4rz] select[data-astro-cid-gx2gp4rz],.input-group[data-astro-cid-gx2gp4rz] input[data-astro-cid-gx2gp4rz]{padding:12px 14px;border:1px solid #d1d5db;border-radius:12px;background:#fff;font-size:.95rem}.custom-section[data-astro-cid-gx2gp4rz]{background:#f9fafb;padding:20px;border-radius:16px;margin-bottom:22px}.custom-section[data-astro-cid-gx2gp4rz] h3[data-astro-cid-gx2gp4rz]{margin-bottom:12px;font-size:1rem;font-weight:700}.button-row[data-astro-cid-gx2gp4rz]{display:flex;gap:12px;flex-wrap:wrap}.btn-primary[data-astro-cid-gx2gp4rz]{background:#16a34a;color:#fff;border:none;padding:14px 22px;border-radius:12px;font-weight:700;cursor:pointer}.btn-secondary[data-astro-cid-gx2gp4rz]{background:#fff;border:1px solid #d1d5db;padding:14px 22px;border-radius:12px;font-weight:700;cursor:pointer}.result-box[data-astro-cid-gx2gp4rz]{margin-top:30px;padding:24px;border-radius:18px;background:#f8fafc;border:1px solid #e5e7eb}.result-header[data-astro-cid-gx2gp4rz] h2[data-astro-cid-gx2gp4rz]{margin-bottom:18px}.weight-meter[data-astro-cid-gx2gp4rz]{height:18px;background:#e5e7eb;border-radius:999px;overflow:hidden;margin-bottom:18px}.weight-fill[data-astro-cid-gx2gp4rz]{height:100%;width:0%;background:linear-gradient(90deg,#22c55e,#f59e0b,#ef4444);transition:width .4s ease}.share-buttons[data-astro-cid-gx2gp4rz]{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}.share-buttons[data-astro-cid-gx2gp4rz] button[data-astro-cid-gx2gp4rz]{padding:12px 18px;border:none;border-radius:12px;cursor:pointer;font-weight:700}.content-section[data-astro-cid-gx2gp4rz]{margin-bottom:48px}.content-section[data-astro-cid-gx2gp4rz] h2[data-astro-cid-gx2gp4rz]{font-size:1.8rem;margin-bottom:14px;font-weight:800;color:#111827}.content-section[data-astro-cid-gx2gp4rz] h3[data-astro-cid-gx2gp4rz]{font-size:1.15rem;margin-bottom:10px;font-weight:700}.content-section[data-astro-cid-gx2gp4rz] p[data-astro-cid-gx2gp4rz]{line-height:1.8;margin-bottom:14px;color:#374151}.content-section[data-astro-cid-gx2gp4rz] ul[data-astro-cid-gx2gp4rz],.content-section[data-astro-cid-gx2gp4rz] ol[data-astro-cid-gx2gp4rz]{padding-left:24px;line-height:1.8}.class-grid[data-astro-cid-gx2gp4rz]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.class-card[data-astro-cid-gx2gp4rz]{padding:22px;border-radius:18px}.class-card[data-astro-cid-gx2gp4rz].light{background:#ecfdf5;border:1px solid #bbf7d0}.class-card[data-astro-cid-gx2gp4rz].medium{background:#fffbeb;border:1px solid #fde68a}.class-card[data-astro-cid-gx2gp4rz].heavy{background:#fef2f2;border:1px solid #fecaca}.formula-box[data-astro-cid-gx2gp4rz]{padding:20px;border-radius:14px;background:#111827;color:#fff;font-size:1.1rem;font-weight:700;text-align:center;margin:20px 0}.example-card[data-astro-cid-gx2gp4rz]{background:#f9fafb;padding:20px;border-radius:16px;border:1px solid #e5e7eb;margin-bottom:16px}.faq-item[data-astro-cid-gx2gp4rz]{margin-bottom:24px}.faq-item[data-astro-cid-gx2gp4rz] h3[data-astro-cid-gx2gp4rz]{margin-bottom:8px}@media(max-width:900px){.input-grid[data-astro-cid-gx2gp4rz]{grid-template-columns:1fr 1fr}.class-grid[data-astro-cid-gx2gp4rz]{grid-template-columns:1fr}}@media(max-width:640px){.input-grid[data-astro-cid-gx2gp4rz]{grid-template-columns:1fr}.calculator-card[data-astro-cid-gx2gp4rz]{padding:20px}.hero-icon[data-astro-cid-gx2gp4rz]{font-size:58px}.hero-section[data-astro-cid-gx2gp4rz] h1[data-astro-cid-gx2gp4rz]{font-size:2rem}}