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75%);text-align:center;padding:56px 24px 36px}.bt-guide-hero h1{font-size:clamp(2.4rem,5vw,4rem);font-weight:700;line-height:1.2;margin:0 auto 16px;max-width:800px}.bt-guide-hero-subtitle{font-size:clamp(1.4rem,2.2vw,1.8rem);line-height:1.65;color:#2f2f2fc7;max-width:680px;margin:0 auto 28px}.bt-guide-hero-cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.bt-guide-cta{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:var(--bt-radius-sm);font-family:var(--bt-font-hero);font-weight:600;font-size:1.4rem;text-decoration:none;transition:all var(--bt-transition);cursor:pointer}.bt-guide-cta--primary{background:var(--bt-sky);color:var(--bt-charcoal);border:2px solid var(--bt-sky)}.bt-guide-cta--primary:hover{background:#8fc9ee;border-color:#8fc9ee}.bt-guide-cta--secondary{background:transparent;color:var(--bt-charcoal);border:2px solid rgba(47,47,47,.16)}.bt-guide-cta--secondary:hover{border-color:#2f2f2f52}.bt-guide-trust-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 20px;padding:20px 24px;background:#7aa8850f;border-top:1px solid rgba(122,168,133,.12);border-bottom:1px solid rgba(122,168,133,.12)}.bt-guide-trust-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#fff;border-radius:100px;font-size:1.2rem;font-weight:600;color:var(--bt-charcoal);box-shadow:0 1px 4px #2f2f2f0f}.bt-guide-trust-icon{font-size:1.4rem;line-height:1}.bt-guide-section-header{text-align:center;max-width:720px;margin:0 auto 32px}.bt-guide-section-header h2{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:700;margin:0 0 12px}.bt-guide-section-header p{font-size:1.5rem;line-height:1.65;color:#2f2f2fb8;margin:0}.bt-guide-choose-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;max-width:1100px;margin:0 auto;padding:0 24px}.bt-guide-choose-card{background:#fff;border-radius:var(--bt-radius-md);padding:28px 24px;border:1px solid rgba(47,47,47,.05);box-shadow:var(--bt-shadow-card);transition:transform var(--bt-transition),box-shadow var(--bt-transition)}.bt-guide-choose-card:hover{transform:translateY(-3px);box-shadow:var(--bt-shadow-hover)}.bt-guide-choose-icon{font-size:2.4rem;margin-bottom:14px;display:block}.bt-guide-choose-card h3{font-size:1.6rem;font-weight:700;margin:0 0 8px}.bt-guide-choose-card p{font-size:1.35rem;line-height:1.6;color:#2f2f2fb3;margin:0}.bt-seo-category{padding:0 24px}.bt-seo-category__inner{max-width:1200px;margin:0 auto}.bt-seo-category__header{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}.bt-seo-category__icon{font-size:2.4rem;line-height:1}.bt-seo-category__title{font-family:var(--bt-font-hero);font-size:clamp(2rem,3vw,2.6rem);font-weight:700;margin:0;color:var(--bt-charcoal)}.bt-seo-category__tag{display:inline-block;padding:4px 14px;border-radius:100px;font-size:1.15rem;font-weight:600;letter-spacing:.3px;text-transform:uppercase}.bt-seo-category__tag--coral{background:#ed868926;color:#b85558}.bt-seo-category__tag--sage{background:#7aa88526;color:#4a7a55}.bt-seo-category__tag--sky{background:#a5d6f426;color:#3a7ca5}.bt-seo-category__tag--sunny{background:#ffd7002e;color:#8a7000}.bt-seo-category__description{font-size:1.45rem;line-height:1.65;color:#2f2f2fb8;max-width:680px;margin:8px 0 28px}.bt-seo-category__grid{display:grid;gap:24px}.bt-seo-category__grid--2{grid-template-columns:repeat(2,1fr)}.bt-seo-category__grid--3{grid-template-columns:repeat(3,1fr)}.bt-seo-category__grid--4{grid-template-columns:repeat(4,1fr)}.bt-seo-product-card{background:#fff;border-radius:var(--bt-radius-md);overflow:hidden;border:1px solid rgba(47,47,47,.05);box-shadow:var(--bt-shadow-card);transition:transform var(--bt-transition),box-shadow var(--bt-transition);display:flex;flex-direction:column}.bt-seo-product-card:hover{transform:translateY(-4px);box-shadow:var(--bt-shadow-hover)}.bt-seo-product-card__media{position:relative;aspect-ratio:1 / 1;overflow:hidden;background:#f8f8f6}.bt-seo-product-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.4,0,.2,1)}.bt-seo-product-card:hover .bt-seo-product-card__media img{transform:scale(1.04)}.bt-seo-product-card__age-badge{position:absolute;top:12px;left:12px;background:#fff;padding:4px 10px;border-radius:100px;font-size:1.1rem;font-weight:600;color:var(--bt-charcoal);box-shadow:0 2px 8px #0000001a}.bt-seo-product-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}.bt-seo-product-card__title{font-family:var(--bt-font-hero);font-size:1.5rem;font-weight:700;line-height:1.35;margin:0 0 6px;color:var(--bt-charcoal)}.bt-seo-product-card__title a{color:inherit;text-decoration:none}.bt-seo-product-card__title a:hover{color:var(--bt-sage)}.bt-seo-product-card__why{font-size:1.25rem;line-height:1.5;color:#2f2f2fa6;margin:0 0 auto;padding-bottom:14px}.bt-seo-product-card__footer{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(47,47,47,.06);padding-top:14px}.bt-seo-product-card__price{font-family:var(--bt-font-hero);font-size:1.7rem;font-weight:700;color:var(--bt-charcoal)}.bt-seo-product-card__price .bt-price-compare{font-size:1.2rem;text-decoration:line-through;color:#2f2f2f66;font-weight:400;margin-right:4px}.bt-seo-product-card__link{display:inline-flex;align-items:center;gap:4px;padding:8px 18px;background:var(--bt-sunny);color:var(--bt-charcoal);border-radius:var(--bt-radius-sm);font-size:1.2rem;font-weight:600;text-decoration:none;transition:background var(--bt-transition);white-space:nowrap}.bt-seo-product-card__link:hover{background:#ffed4e;color:var(--bt-charcoal)}.bt-guide-milestones{max-width:1100px;margin:0 auto;padding:0 24px}.bt-milestone-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.bt-milestone-card{background:#fff;border-radius:var(--bt-radius-md);padding:22px 20px;border:1px solid rgba(47,47,47,.05);box-shadow:var(--bt-shadow-card);text-align:center}.bt-milestone-icon{font-size:2.8rem;margin-bottom:10px;display:block}.bt-milestone-card h3{font-size:1.4rem;font-weight:700;margin:0 0 6px}.bt-milestone-card p{font-size:1.25rem;line-height:1.55;color:#2f2f2fad;margin:0}.bt-guide-expert{max-width:800px;margin:0 auto;padding:0 24px}.bt-guide-expert-card{background:linear-gradient(135deg,#ed86890f,#a5d6f40f);border-radius:var(--bt-radius-lg);padding:36px 32px;border:1px solid rgba(47,47,47,.05);display:flex;gap:24px;align-items:flex-start}.bt-guide-expert-avatar{width:72px;height:72px;border-radius:50%;background:var(--bt-sky);display:flex;align-items:center;justify-content:center;font-size:2.6rem;flex-shrink:0}.bt-guide-expert-body blockquote{font-size:1.5rem;line-height:1.65;font-style:italic;color:var(--bt-charcoal);margin:0 0 14px;padding:0;border:none}.bt-guide-expert-name{font-family:var(--bt-font-hero);font-weight:700;font-size:1.4rem;margin:0 0 2px}.bt-guide-expert-creds{font-size:1.2rem;color:#2f2f2f99;margin:0}.bt-guide-bg--cotton{background:var(--bt-cotton)}.bt-guide-bg--sage{background:#7aa8850d}.bt-guide-bg--sky{background:#a5d6f40d}.bt-guide-bg--coral{background:#ed86890a}.bt-guide-bg--warm{background:linear-gradient(180deg,#7aa88514,#7aa88505)}.bt-guide-divider{width:60px;height:3px;background:var(--bt-sunny);border-radius:3px;margin:0 auto}.bt-schema-hidden{display:none!important}@media screen and (max-width:749px){.bt-guide-hero{padding:40px 16px 28px}.bt-guide-trust-strip{gap:8px 12px;padding:16px}.bt-guide-trust-pill{font-size:1.1rem;padding:5px 10px}.bt-guide-choose-grid{grid-template-columns:1fr;gap:14px;padding:0 16px}.bt-guide-choose-card{padding:22px 20px}.bt-seo-category{padding:0 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