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td{border-bottom:none}.tips-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px}.tips-title{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px}.tips-list{list-style:none;display:flex;flex-direction:column;gap:10px}.tips-list li{font-size:.82rem;color:var(--text-secondary);padding-left:16px;position:relative;line-height:1.6}.tips-list li:before{content:"›";position:absolute;left:0;color:var(--gold-400);font-weight:700;font-size:1rem}.info-section{padding:60px 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var(--border-subtle);text-align:center}.footer-disclaimer{font-size:.72rem;color:var(--text-muted);max-width:650px;margin:0 auto 8px;line-height:1.5}.footer-copy{font-size:.72rem;color:var(--text-muted)}.modal-overlay{display:none;position:fixed;inset:0;z-index:200;background:#000000b3;backdrop-filter:blur(8px);align-items:center;justify-content:center;padding:24px}.modal-overlay.visible{display:flex;animation:fadeIn .3s ease}.modal-card{background:var(--bg-card-solid);border:1px solid var(--border-normal);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-gold-lg);animation:resultReveal .4s var(--ease-out)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 14px;border-bottom:1px solid var(--border-subtle)}.modal-title{font-family:var(--font-heading);font-size:1.1rem;font-weight:700}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--text-muted);border-radius:50%;transition:var(--transition-fast)}.modal-close:hover{color:var(--text-primary);background:#ffffff0d}.modal-body{padding:16px 24px}.modal-description{font-size:.85rem;color:var(--text-secondary);margin-bottom:20px;line-height:1.6}.api-source-block{background:#c9a84c08;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px;margin-bottom:12px}.api-source-block.fallback-block{background:#6464780d}.api-source-header{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}.api-priority{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--gold-400);background:#c9a84c1a;padding:2px 6px;border-radius:4px}.api-tag{font-size:.65rem;font-weight:600;padding:2px 6px;border-radius:4px;background:#22c55e26;color:var(--green)}.api-tag.secondary{background:#6464c81a;color:#8b8bcc}.api-tag.tertiary{background:#9696961a;color:var(--text-muted)}.api-source-desc{font-size:.78rem;color:var(--text-secondary);margin-bottom:10px;line-height:1.5}.api-input-group{display:flex;flex-direction:column;gap:4px}.api-input-group label{font-size:.72rem;font-weight:600;color:var(--text-muted)}.api-status{min-height:18px;margin-top:8px;font-size:.82rem;font-weight:500;text-align:center}.api-status.saving{color:var(--gold-300)}.api-status.success{color:var(--green)}.api-status.error{color:var(--red)}.modal-footer{padding:12px 24px 20px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@media (max-width: 1024px){.atf-grid{grid-template-columns:1fr 300px}.ref-cards-grid{grid-template-columns:1fr}}@media (max-width: 768px){.header-nav{display:none}.mobile-menu-btn{display:flex}.main-content{padding:72px 0 16px}.hero-heading{flex-direction:column;align-items:center;gap:12px;margin-bottom:16px}.hero-title{font-size:1.6rem}.hero-subtitle{font-size:.85rem}.atf-grid{grid-template-columns:1fr}.sidebar{position:static;flex-direction:row;flex-wrap:wrap}.sidebar>*{flex:1;min-width:250px}.calculator-card{padding:20px}.form-grid{grid-template-columns:1fr;gap:12px}.gold-price-bar{flex-direction:column;align-items:flex-start}.steps-grid{grid-template-columns:1fr;gap:14px}.formula-display{flex-direction:column;gap:6px}.chart-container{height:220px}.chart-header{flex-direction:column}.footer-content{flex-direction:column;gap:16px;text-align:center}.footer-links{flex-wrap:wrap;justify-content:center}}.lang-section{padding:40px 0;border-top:1px solid var(--border-subtle);background:var(--bg-secondary);position:relative;z-index:1}.lang-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:10px;margin-top:20px}.lang-pill{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#c9a84c0d;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.82rem;font-weight:500;transition:var(--transition-fast);text-decoration:none}.lang-pill:hover{background:#c9a84c26;border-color:var(--border-hover);color:var(--gold-200);transform:translateY(-2px)}.lang-pill.active{background:var(--gold-gradient);color:#000;font-weight:700;border-color:var(--gold-400)}.lang-flag{font-size:1.1rem}