:root{--color-primary: #a98746;--color-primary-dark: #B8941F;--color-primary-light: #E5C76B;--color-bg-dark: #121212;--color-bg-medium: #1A1A1A;--color-bg-light: #2A2A2A;--color-text-primary: #FFFFFF;--color-text-secondary: #CCCCCC;--color-text-muted: #999999;--color-border: #333333;--color-success: #4CAF50;--color-warning: #FF9800;--color-error: #F44336;--font-primary: "Montserrat", sans-serif;--font-display: "Playfair Display", serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-xxl: 4rem;--transition-fast: .2s ease;--transition-medium: .3s ease;--transition-slow: .5s ease;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .5);--shadow-gold: 0 0 20px rgba(212, 175, 55, .3)}.quick-nav{padding:var(--spacing-xxl) 0;background:var(--color-bg-dark)}.method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.method-card{background:var(--color-bg-medium);border:2px solid var(--color-border);border-radius:0;padding:var(--spacing-lg);text-align:center;transition:all var(--transition-medium);cursor:pointer;position:relative;text-decoration:none;color:var(--color-text-primary)}.method-card:hover{transform:translateY(-5px);border-color:var(--color-primary);color:var(--color-text-primary)}.method-card.recommended{border-color:var(--color-primary);background:linear-gradient(135deg,rgba(212,175,55,.1) 0%,var(--color-bg-medium) 100%)}.method-card i{font-size:3rem;color:var(--color-primary);margin-bottom:var(--spacing-sm)}.method-card h3{font-size:1.25rem;margin-bottom:var(--spacing-xs);color:var(--color-text-primary)}.time-badge{display:inline-block;background:var(--color-primary);color:var(--color-bg-dark);padding:.25rem .75rem;border-radius:20px;font-size:.875rem;font-weight:600;margin:var(--spacing-xs) 0}.method-card p{color:var(--color-text-muted);font-size:.9rem;margin:0}.recommended-badge{position:absolute;top:-12px;right:-12px;background:var(--color-primary);color:var(--color-bg-dark);padding:.5rem 1rem;border-radius:20px;font-size:.75rem;font-weight:700;text-transform:uppercase;box-shadow:var(--shadow-md)}.method-section{padding:var(--spacing-xxl) 0;border-bottom:1px solid var(--color-border)}.method-section.alt-bg{background:var(--color-bg-dark)}.method-section.featured-method{background:linear-gradient(135deg,rgba(212,175,55,.05) 0%,var(--color-bg-medium) 100%)}.method-header{text-align:center;margin-bottom:var(--spacing-xl)}.method-number{display:inline-block;background:var(--color-primary);color:var(--color-bg-dark);padding:.5rem 1.5rem;border-radius:30px;font-weight:700;font-size:.875rem;letter-spacing:2px;margin-bottom:var(--spacing-sm)}.method-header h2{margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.method-meta{display:flex;justify-content:center;align-items:center;gap:var(--spacing-md);flex-wrap:wrap}.badge{background:var(--color-bg-light);color:var(--color-text-secondary);padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:500}.rating{color:var(--color-primary);font-size:1.25rem}.recommended-badge-large{background:var(--color-primary);color:var(--color-bg-dark);padding:.75rem 1.5rem;border-radius:30px;font-weight:700;font-size:1rem;display:inline-block;margin-bottom:var(--spacing-sm)}.method-content{max-width:1100px;margin:0 auto}.intro-text{font-size:1.125rem;color:var(--color-text-secondary);text-align:center;margin-bottom:var(--spacing-lg);line-height:1.8}.intro-text.featured{font-size:1.25rem;color:var(--color-primary-light)}.two-column{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:var(--spacing-xl);margin-top:var(--spacing-lg)}.method-text h3{color:var(--color-primary);margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.method-text ul{list-style:none;padding-left:0;margin-bottom:var(--spacing-md)}.method-text ul li{padding-left:1.5rem;position:relative;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary)}.method-text ul li:before{content:"\2022";color:var(--color-primary);font-weight:700;position:absolute;left:0}.checkmark-list li:before{content:"\2713";color:var(--color-primary);display:none}.steps{margin-top:var(--spacing-lg)}.step{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--color-bg-light);border-radius:8px;border-left:4px solid var(--color-primary)}.step-number{flex-shrink:0;width:40px;height:40px;background:var(--color-primary);color:var(--color-bg-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem}.step h4{color:var(--color-primary);margin-bottom:.5rem}.step p{color:var(--color-text-secondary)}.instruction-steps{margin-top:var(--spacing-md)}.instruction-step{padding:var(--spacing-sm);margin-bottom:var(--spacing-sm);border-left:3px solid var(--color-primary);padding-left:var(--spacing-md)}.instruction-step strong{display:block;margin-bottom:.25rem;color:var(--color-primary)}.instruction-step p{color:var(--color-text-secondary)}.calculator-box{background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:12px;padding:var(--spacing-lg);box-shadow:var(--shadow-md);margin-top:var(--spacing-lg)}.calculator-box h3{color:var(--color-primary);text-align:center;margin-bottom:var(--spacing-md)}.calculator-form,.input-group{margin-bottom:var(--spacing-md)}.input-group label{display:block;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary);font-weight:500}.input-wrapper{position:relative;display:flex;align-items:center}.input-wrapper input{flex:1;padding:var(--spacing-sm) var(--spacing-md);padding-right:3rem;background:var(--color-bg-dark);border:2px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-size:1.125rem;transition:border-color var(--transition-fast)}.input-wrapper input:focus{outline:none;border-color:var(--color-primary)}.unit{position:absolute;right:var(--spacing-md);color:var(--color-text-muted);font-weight:600}.calculator-result{background:linear-gradient(135deg,rgba(212,175,55,.1) 0%,var(--color-bg-dark) 100%);border:2px solid var(--color-primary);border-radius:12px;padding:var(--spacing-lg);margin-top:var(--spacing-md)}.calculator-result h4{color:var(--color-primary);text-align:center;margin-bottom:var(--spacing-md)}.size-results{display:grid;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.size-item{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:var(--color-bg-dark);border-radius:8px}.size-item .flag,.size-item .icon{font-size:1.5rem}.size-item .label{color:var(--color-text-secondary)}.size-item .value{color:var(--color-primary);font-weight:700;font-size:1.25rem}.pro-tips{background:#d4af371a;border:1px solid var(--color-primary);border-radius:8px;padding:var(--spacing-md);margin-top:var(--spacing-md)}.pro-tips h4{color:var(--color-primary);margin-bottom:var(--spacing-sm);display:flex;align-items:center;gap:var(--spacing-xs)}.pro-tips i{color:var(--color-primary)}.pro-tips ul{list-style:none;padding:0}.pro-tips ul li{padding:.25rem 0;color:var(--color-text-secondary)}.chart-container h3{color:var(--color-primary);margin-bottom:var(--spacing-md)}.table-responsive{overflow-x:auto;border-radius:0;box-shadow:var(--shadow-md);max-width:calc(100vw - calc(2 * var(--spacing-sm)))}.size-table{width:100%;border-collapse:collapse;background:var(--color-bg-light);margin-bottom:0}.size-table thead{background:var(--color-primary);color:var(--color-bg-dark)}.size-table th,.size-table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border)}.size-table th{font-weight:600;text-transform:uppercase;font-size:.875rem;letter-spacing:1px}.size-table td{color:var(--color-text-secondary)}.size-table tbody tr{transition:background-color var(--transition-fast)}.size-table tbody tr:hover{background:#d4af370d}.size-table tbody tr.highlight{background:#d4af3726}.size-table tbody tr.highlight td{font-weight:600}.table-note{text-align:center;color:var(--color-text-muted);font-size:.875rem;margin-top:var(--spacing-sm);font-style:italic}.alert-box{padding:var(--spacing-md);border-radius:8px;margin:var(--spacing-md) 0;display:flex;gap:var(--spacing-sm)}.alert-box.warning{background:#ff98001a;border:2px solid var(--color-warning)}.alert-box.critical{background:#f443361a;border:2px solid var(--color-error)}.alert-box i{color:var(--color-warning);font-size:1.5rem;flex-shrink:0}.alert-box.critical i{color:var(--color-error)}.alert-box h4{color:var(--color-warning);margin-bottom:var(--spacing-xs)}.alert-box.critical h4{color:var(--color-error)}.alert-box p{color:var(--color-text-secondary)}.alert-box ul{list-style:none;padding-left:1.5rem;margin-top:var(--spacing-xs)}.alert-box ul li{color:var(--color-text-secondary);margin-bottom:var(--spacing-xs)}.form-box{background:var(--color-bg-light);border:2px solid var(--color-primary);border-radius:0;padding:var(--spacing-lg)}.form-box h3{color:var(--color-primary);text-align:center;margin-bottom:var(--spacing-md)}.sizer-form .form-group{margin-bottom:var(--spacing-md)}.sizer-form label{display:block;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary);font-weight:500;font-size:.9rem}.sizer-form input{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-dark);border:2px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-size:1rem;transition:border-color var(--transition-fast)}.sizer-form 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var(--color-primary);border-radius:8px}.stat-number{display:block;font-size:2.5rem;font-weight:700;color:var(--color-primary);line-height:1;margin-bottom:var(--spacing-xs)}.stat-label{display:block;font-size:.875rem;color:var(--color-text-secondary)}.download-section{text-align:center;margin:var(--spacing-xl) 0}.download-box{display:inline-block;background:linear-gradient(135deg,var(--color-bg-medium) 0%,var(--color-bg-light) 100%);border:2px solid var(--color-primary);border-radius:12px;padding:var(--spacing-xl);box-shadow:var(--shadow-gold)}button#downloadPdfBtn{display:flex;align-items:center;justify-content:center;gap:20px}.download-box i{font-size:4rem}.download-box h3{margin-bottom:var(--spacing-sm)}.download-box p{color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.charts-section{padding:var(--spacing-xxl) 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h4{margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.size-range{font-size:1.5rem;font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-xs)}.height-ref{color:var(--color-text-muted);font-size:.9rem}.disclaimer{text-align:center;color:var(--color-text-muted);font-size:.9rem;margin-top:var(--spacing-md);font-style:italic}.tips-section{padding:var(--spacing-xxl) 0}.faq-grid{max-width:900px;margin:50px auto 0}.faq-item{background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:0;margin-bottom:var(--spacing-md);overflow:hidden;transition:all var(--transition-medium)}.faq-item.active{border-color:var(--color-primary)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);background:none;border:none;color:var(--color-text-primary);font-size:1.125rem;font-weight:600;text-align:left;cursor:pointer;transition:all 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p{color:var(--color-text-secondary)}.cta-section{padding:var(--spacing-xxl) 0;text-align:center;background:linear-gradient(135deg,var(--color-bg-dark) 0%,var(--color-bg-medium) 100%)}.cta-section h2{margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.cta-section p{font-size:1.125rem;color:var(--color-text-secondary);margin-bottom:var(--spacing-lg)}.cta-buttons{display:flex;justify-content:center;gap:var(--spacing-md);flex-wrap:wrap}.btn-primary,.btn-secondary{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border-radius:8px;font-weight:600;text-transform:uppercase;letter-spacing:1px;font-size:.9rem;transition:all var(--transition-fast);cursor:pointer;border:2px solid 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