:root{--sgs-primary:#4f46e5;--sgs-dark:#0f172a;--sgs-text:#334155;--sgs-light:#f8fafc;--sgs-border:#e2e8f0;--sgs-radius:16px}.sgs-bs-wrap{font-family:'Inter',system-ui,sans-serif;color:var(--sgs-text);line-height:1.6}.sgs-bs-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem}.sgs-bs-hero{background:linear-gradient(135deg,#f8fafc 0%,#eef2ff 100%);padding:4rem 0}.sgs-bs-hero__inner{display:grid;grid-template-columns:1.5fr 1fr;gap:3rem;align-items:center}.sgs-bs-hero__kicker{font-size:.875rem;font-weight:700;color:var(--sgs-primary);margin-bottom:1rem}.sgs-bs-hero__title{font-size:3rem;font-weight:900;color:var(--sgs-dark);margin:0 0 1rem;line-height:1.1}.sgs-bs-hero__title-year{color:var(--sgs-primary)}.sgs-bs-hero__subtitle{font-size:1.25rem;color:var(--sgs-text);margin-bottom:1.5rem}.sgs-bs-hero__meta{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:2rem}.sgs-bs-meta-pill{background:#fff;border:1px solid var(--sgs-border);padding:.5rem 1rem;border-radius:999px;font-size:.875rem;font-weight:600}.sgs-bs-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:12px;font-weight:700;text-decoration:none;transition:all 0.2s ease;border:none;cursor:pointer;font-size:.95rem}.sgs-bs-btn--primary{background:var(--sgs-primary);color:#fff}.sgs-bs-btn--primary:hover{background:#4338ca;color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgb(79 70 229 / .3)}.sgs-bs-btn--outline{background:#fff0;border:2px solid var(--sgs-dark);color:var(--sgs-dark)}.sgs-bs-btn--outline:hover{background:var(--sgs-dark);color:#fff}.sgs-bs-btn--ghost{background:#fff0;color:var(--sgs-primary);border:1px solid var(--sgs-border)}.sgs-bs-btn--ghost:hover{background:var(--sgs-primary);color:#fff;border-color:var(--sgs-primary)}.sgs-bs-btn--lg{padding:1rem 2rem;font-size:1.1rem}.sgs-bs-btn--sm{padding:.6rem 1.2rem;font-size:.875rem}.sgs-bs-btn--disabled{background:#e2e8f0;color:#94a3b8;cursor:not-allowed}.sgs-bs-hero__actions{display:flex;gap:1rem;flex-wrap:wrap}.sgs-bs-highlight-panel__title{font-size:1.25rem;font-weight:800;color:var(--sgs-dark);margin-bottom:1rem}.sgs-bs-highlight-panel__body{margin-bottom:1rem;color:var(--sgs-text)}.sgs-bs-highlight-panel__list{list-style:none;padding:0;margin:0}.sgs-bs-highlight-panel__list li{padding:.5rem 0;border-bottom:1px solid var(--sgs-border);font-weight:600;color:var(--sgs-dark)}.sgs-bs-highlight-panel__list li:last-child{border-bottom:none}.sgs-bs-trust-bar{background:var(--sgs-dark);color:#fff;padding:1.5rem 0}.sgs-bs-trust-bar__inner{display:flex;justify-content:space-around;flex-wrap:wrap;gap:1rem}.sgs-bs-trust-bar__item{display:flex;align-items:center;gap:.5rem;font-weight:600;font-size:.9rem}.sgs-bs-section{padding:4rem 0}.sgs-bs-section--related{background:var(--sgs-light);border-top:1px solid var(--sgs-border);border-bottom:1px solid var(--sgs-border)}.sgs-bs-section__header{text-align:center;margin-bottom:3rem}.sgs-bs-section__tag{display:inline-block;background:#eef2ff;color:var(--sgs-primary);padding:.5rem 1rem;border-radius:999px;font-size:.875rem;font-weight:800;margin-bottom:1rem;text-transform:uppercase;letter-spacing:.05em}.sgs-bs-section__title{font-size:2.5rem;font-weight:900;color:var(--sgs-dark);margin:0 0 .5rem}.sgs-bs-section__subtitle{font-size:1.1rem;color:var(--sgs-text);max-width:600px;margin:0 auto}.sgs-bs-product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.sgs-bs-product-card{background:#fff;border:1px solid var(--sgs-border);border-radius:var(--sgs-radius);overflow:hidden;display:flex;flex-direction:column;transition:transform 0.2s ease,box-shadow 0.2s ease}.sgs-bs-product-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px -5px rgb(0 0 0 / .1)}.sgs-bs-product-card__image{background:var(--sgs-light);padding:2rem;display:flex;align-items:center;justify-content:center;height:250px}.sgs-bs-product-img{max-width:100%;max-height:100%;object-fit:contain}.sgs-bs-product-card__header{padding:1.5rem 1.5rem 0;display:flex;justify-content:space-between;align-items:center}.sgs-bs-product-card__rank{font-size:1.5rem;font-weight:900;color:var(--sgs-primary)}.sgs-bs-product-card__tags{display:flex;gap:.5rem;flex-wrap:wrap}.sgs-bs-product-tag,.sgs-bs-badge{font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}.sgs-bs-product-tag{background:#f1f5f9;color:var(--sgs-text)}.sgs-bs-badge--gold{background:#fef3c7;color:#92400e}.sgs-bs-badge--blue{background:#dbeafe;color:#1e40af}.sgs-bs-badge--purple{background:#ede9fe;color:#5b21b6}.sgs-bs-badge--green{background:#d1fae5;color:#065f46}.sgs-bs-badge--orange{background:#ffedd5;color:#9a3412}.sgs-bs-product-card__name{font-size:1.5rem;font-weight:800;color:var(--sgs-dark);margin:1rem 1.5rem .5rem}.sgs-bs-product-card__desc{padding:0 1.5rem;flex-grow:1;color:var(--sgs-text);line-height:1.6}.sgs-bs-product-card__actions{padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;margin-top:auto}.sgs-bs-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.sgs-bs-related-card{background:#fff;border:1px solid var(--sgs-border);border-radius:var(--sgs-radius);padding:2rem;text-align:center;transition:transform 0.2s ease,box-shadow 0.2s ease,border-color 0.2s ease;display:flex;flex-direction:column;align-items:center}.sgs-bs-related-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px -5px rgb(0 0 0 / .1);border-color:var(--sgs-primary)}.sgs-bs-related-card__icon{font-size:3rem;margin-bottom:1rem}.sgs-bs-related-card__tag{display:inline-block;background:rgb(79 70 229 / .1);color:var(--sgs-primary);padding:.4rem .8rem;border-radius:999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}.sgs-bs-related-card__title{font-size:1.25rem;font-weight:800;color:var(--sgs-dark);margin:0 0 .75rem}.sgs-bs-related-card__desc{font-size:.9rem;color:var(--sgs-text);margin:0 0 1.5rem;line-height:1.6;flex-grow:1}.sgs-bs-faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}.sgs-bs-faq-item{border:1px solid var(--sgs-border);border-radius:var(--sgs-radius);overflow:hidden;background:#fff}.sgs-bs-faq-item__question{padding:1.5rem;font-size:1.1rem;font-weight:700;color:var(--sgs-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;list-style:none}.sgs-bs-faq-item__question::-webkit-details-marker{display:none}.sgs-bs-faq-item__icon{font-size:1.5rem;color:var(--sgs-primary);transition:transform 0.2s ease}.sgs-bs-faq-item[open] .sgs-bs-faq-item__icon{transform:rotate(45deg)}.sgs-bs-faq-item__answer{padding:0 1.5rem 1.5rem;color:var(--sgs-text);line-height:1.7}.sgs-bs-author-box{background:var(--sgs-light);border-radius:var(--sgs-radius);padding:2.5rem;display:flex;gap:2rem;align-items:center;border:1px solid var(--sgs-border)}.sgs-bs-author-avatar-img{width:96px;height:96px;border-radius:50%;object-fit:cover;border:4px solid #fff;box-shadow:0 4px 6px -1px rgb(0 0 0 / .1)}.sgs-bs-author-box__name{font-size:1.5rem;font-weight:800;color:var(--sgs-dark);margin:0 0 .25rem}.sgs-bs-author-box__role{color:var(--sgs-primary);font-weight:700;margin-bottom:1rem}.sgs-bs-author-box__bio{color:var(--sgs-text);line-height:1.7;margin-bottom:1.5rem}.sgs-bs-author-box__credentials{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem}.sgs-bs-credential{background:#fff;border:1px solid var(--sgs-border);padding:.5rem 1rem;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--sgs-dark)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:768px){.sgs-bs-hero__inner{grid-template-columns:1fr;gap:2rem}.sgs-bs-hero__title{font-size:2.25rem}.sgs-bs-section__title{font-size:2rem}.sgs-bs-section{padding:3rem 0}.sgs-bs-product-grid{grid-template-columns:1fr}.sgs-bs-related-grid{grid-template-columns:1fr}.sgs-bs-author-box{flex-direction:column;text-align:center}.sgs-bs-author-box__credentials{justify-content:center}.sgs-bs-trust-bar__inner{flex-direction:column;gap:.75rem}}@media (max-width:480px){.sgs-bs-hero__title{font-size:1.875rem}.sgs-bs-btn--lg{padding:.875rem 1.5rem;font-size:1rem}.sgs-bs-product-card__name{font-size:1.25rem}}