:root{--spd-primary:#00649b;--spd-primary-light:#0080c7;--spd-primary-dark:#004d78;--spd-accent:#00b0d8;--spd-accent-light:#33c4e5;--spd-success:#2e7d32;--spd-warning:#e67e22;--spd-danger:#dc2626;--spd-text:#333333;--spd-text-light:#666666;--spd-text-muted:#888888;--spd-bg:#e8f4fd;--spd-bg-light:#f0f8ff;--spd-border:#c5ddef;--spd-border-light:#e0eef7;--spd-white:#ffffff;--spd-shadow:0 4px 20px rgba(0, 0, 0, 0.06);--spd-shadow-hover:0 8px 30px rgba(0, 100, 155, 0.12);--spd-radius:12px;--spd-radius-sm:8px;--spd-transition:0.3s ease}.spd-calc-page{max-width:1200px;margin:0 auto;padding:20px;font-family:Ubuntu,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--spd-text);line-height:1.5}.spd-calc-page *,.spd-calc-page ::after,.spd-calc-page ::before{box-sizing:border-box}.spd-calc-hero{text-align:center;padding:40px 20px;background:#fff;border:2px solid var(--spd-primary);border-radius:16px;margin-bottom:30px;box-shadow:0 4px 20px rgba(0,100,155,.08)}.spd-hero-icon{font-size:52px;margin-bottom:16px;display:block}.spd-calc-hero h1{font-size:28px;margin:0 0 10px 0;font-weight:700;color:#333}.spd-hero-subtitle{font-size:16px;color:#555;margin:0 0 16px 0;max-width:600px;margin-left:auto;margin-right:auto}.spd-hero-standard{display:inline-block;margin-top:8px;padding:8px 20px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:24px;font-size:13px;color:rgba(255,255,255,.95);backdrop-filter:blur(4px)}.spd-calc-container{background:var(--spd-white);border-radius:var(--spd-radius);box-shadow:var(--spd-shadow);overflow:hidden;margin-bottom:40px;border:1px solid var(--spd-border-light)}.spd-calc-page .wizard-progress{display:flex;padding:20px;background:var(--spd-bg-light);border-bottom:1px solid var(--spd-border-light);gap:10px}.spd-calc-page .wizard-step{flex:1;display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--spd-white);border-radius:var(--spd-radius-sm);border:2px solid var(--spd-border-light);opacity:.5;transition:all var(--spd-transition);cursor:default}.spd-calc-page .wizard-step.active{opacity:1;border-color:var(--spd-primary);background:var(--spd-white)}.spd-calc-page .wizard-step.completed{opacity:1;border-color:var(--spd-success);background:#f0fff0}.spd-calc-page .step-num{width:30px;height:30px;border-radius:50%;background:var(--spd-border-light);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--spd-text-light);flex-shrink:0;transition:all var(--spd-transition)}.spd-calc-page .wizard-step.active .step-num{background:var(--spd-primary);color:var(--spd-white)}.spd-calc-page .wizard-step.completed .step-num{background:var(--spd-success);color:var(--spd-white)}.spd-calc-page .step-label{font-size:14px;font-weight:500;color:var(--spd-text-light);line-height:1.3}.spd-calc-page .wizard-step.active .step-label{color:var(--spd-text);font-weight:600}.spd-calc-page .wizard-step.completed .step-label{color:var(--spd-text)}.spd-calc-page .wizard-panel{display:none;padding:30px}.spd-calc-page .wizard-panel.active{display:block;animation:spdFadeIn .3s ease}@keyframes spdFadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.spd-calc-page .wizard-panel h2{font-size:22px;margin:0 0 10px 0;color:var(--spd-text);font-weight:700}.spd-calc-page .step-hint{color:var(--spd-text-light);margin:0 0 25px 0;font-size:14px;line-height:1.6}.spd-calc-page .mode-toggle{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:30px;padding:16px 24px;background:var(--spd-bg-light);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius)}.spd-calc-page .mode-hint{flex-basis:100%;text-align:center;margin:0;font-size:13px;color:var(--spd-text-light)}.spd-calc-page .mode-toggle-label{font-size:14px;font-weight:500;color:var(--spd-text-light);transition:color var(--spd-transition);cursor:pointer;user-select:none}.spd-calc-page .mode-toggle-label.active{color:var(--spd-primary);font-weight:700}.spd-calc-page .toggle-switch{position:relative;width:52px;height:28px;flex-shrink:0}.spd-calc-page .toggle-switch input{opacity:0;width:0;height:0;position:absolute}.spd-calc-page .toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#b0c4de;border-radius:28px;transition:background var(--spd-transition)}.spd-calc-page .toggle-slider::before{content:'';position:absolute;height:22px;width:22px;left:3px;bottom:3px;background:var(--spd-white);border-radius:50%;transition:transform var(--spd-transition);box-shadow:0 2px 4px rgba(0,0,0,.15)}.spd-calc-page .toggle-switch input:checked+.toggle-slider{background:var(--spd-primary)}.spd-calc-page .toggle-switch input:checked+.toggle-slider::before{transform:translateX(24px)}.spd-calc-page .toggle-switch input:focus+.toggle-slider{box-shadow:0 0 0 3px rgba(0,100,155,.2)}.spd-calc-page .toggle-simple{display:inline}.spd-calc-page .toggle-pro{display:inline}.spd-calc-page .mode-toggle:has(.toggle-switch input:not(:checked)) .toggle-simple-label,.spd-calc-page .toggle-switch input:not(:checked)~.toggle-simple{color:var(--spd-primary);font-weight:700}.spd-calc-page .mode-toggle:has(.toggle-switch input:checked) .toggle-pro-label,.spd-calc-page .toggle-switch input:checked~.toggle-pro{color:var(--spd-primary);font-weight:700}.spd-calc-page .spd-form-section{margin-bottom:30px}.spd-calc-page .spd-form-section-title{font-size:18px;font-weight:600;color:var(--spd-primary);margin:0 0 20px 0;padding-bottom:10px;border-bottom:2px solid var(--spd-bg);display:flex;align-items:center;gap:10px}.spd-calc-page .spd-form-section-title .icon{font-size:22px}.spd-calc-page .form-row{margin-bottom:22px}.spd-calc-page .form-label{display:block;font-size:14px;font-weight:600;color:var(--spd-text);margin-bottom:8px;line-height:1.4}.spd-calc-page .form-label .required{color:var(--spd-danger);margin-left:2px}.spd-calc-page .spd-help-trigger{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;background:var(--spd-accent);color:var(--spd-white);border-radius:50%;font-size:11px;font-weight:700;cursor:pointer;margin-left:6px;transition:background var(--spd-transition);vertical-align:middle;line-height:1}.spd-calc-page .spd-help-trigger:hover{background:var(--spd-primary)}.spd-calc-page .form-hint{font-size:13px;color:var(--spd-text-muted);margin-top:6px;line-height:1.5}.spd-calc-page .form-row--half{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:22px}.spd-calc-page .form-half{width:100%}.spd-input{width:100%;height:46px;padding:0 16px;border:2px solid var(--spd-border);border-radius:var(--spd-radius-sm);font-size:15px;font-family:inherit;color:var(--spd-text);background:var(--spd-white);transition:border-color var(--spd-transition),box-shadow var(--spd-transition)}.spd-input:focus{outline:0;border-color:var(--spd-accent);box-shadow:0 0 0 3px rgba(0,176,216,.15)}.spd-input:hover:not(:focus){border-color:var(--spd-primary)}.spd-input::placeholder{color:#aab}.spd-input.small{width:100px;text-align:center}.spd-input[type=number]{-moz-appearance:textfield}.spd-input[type=number]::-webkit-inner-spin-button,.spd-input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.spd-select{width:100%;height:46px;padding:0 16px;border:2px solid var(--spd-border);border-radius:var(--spd-radius-sm);font-size:15px;font-family:inherit;color:var(--spd-text);background:var(--spd-white);cursor:pointer;transition:border-color var(--spd-transition),box-shadow var(--spd-transition);-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}.spd-select:focus{outline:0;border-color:var(--spd-accent);box-shadow:0 0 0 3px rgba(0,176,216,.15)}.spd-select:hover:not(:focus){border-color:var(--spd-primary)}.spd-calc-page .spd-textarea{width:100%;min-height:80px;padding:12px 16px;border:2px solid var(--spd-border);border-radius:var(--spd-radius-sm);font-size:14px;font-family:inherit;color:var(--spd-text);background:var(--spd-white);resize:vertical;transition:border-color var(--spd-transition),box-shadow var(--spd-transition)}.spd-calc-page .spd-textarea:focus{outline:0;border-color:var(--spd-accent);box-shadow:0 0 0 3px rgba(0,176,216,.15)}.spd-input-group{display:flex;align-items:center;gap:10px}.spd-input-group .spd-input{flex:1}.spd-input-unit{font-size:14px;color:var(--spd-text-light);font-weight:500;white-space:nowrap}.spd-error-field{border-color:var(--spd-danger)!important;background-color:#fff5f5!important;box-shadow:0 0 0 3px rgba(220,38,38,.12)!important}.spd-error-message{color:var(--spd-danger);font-size:12px;margin-top:5px;font-weight:500}.spd-calc-page .radio-group{display:flex;gap:12px;flex-wrap:wrap}.spd-calc-page .radio-item{display:flex;align-items:center;gap:8px;padding:12px 20px;border:2px solid var(--spd-border);border-radius:var(--spd-radius-sm);cursor:pointer;transition:all .2s;background:var(--spd-white);flex:1;min-width:140px}.spd-calc-page .radio-item:hover{border-color:var(--spd-accent);background:var(--spd-bg-light)}.spd-calc-page .radio-item.selected,.spd-calc-page .radio-item:has(input[type=radio]:checked){border-color:var(--spd-primary);background:var(--spd-bg);box-shadow:0 0 0 3px rgba(0,100,155,.08)}.spd-calc-page .radio-item input[type=radio]{accent-color:var(--spd-primary);width:18px;height:18px;cursor:pointer}.spd-calc-page .radio-item input[type=radio]:checked+span{font-weight:600;color:var(--spd-primary)}.spd-calc-page .radio-item span{font-size:14px;color:var(--spd-text)}.spd-calc-page .checkbox-label{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border:2px solid var(--spd-border-light);border-radius:var(--spd-radius-sm);cursor:pointer;transition:all .2s;background:var(--spd-white);font-size:14px;color:var(--spd-text);line-height:1.5}.spd-calc-page .checkbox-label:hover{border-color:var(--spd-accent);background:var(--spd-bg-light)}.spd-calc-page .checkbox-label input[type=checkbox]{accent-color:var(--spd-primary);width:18px;height:18px;margin-top:1px;cursor:pointer;flex-shrink:0}.spd-calc-page .checkbox-label input[type=checkbox]:checked+span{font-weight:500}.spd-calc-page .options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.spd-calc-page .option-card{padding:18px 16px;border:2px solid var(--spd-border-light);border-radius:var(--spd-radius);cursor:pointer;transition:all .2s;text-align:center;background:var(--spd-white)}.spd-calc-page .option-card:hover{border-color:var(--spd-accent);background:var(--spd-bg-light)}.spd-calc-page .option-card.selected{border-color:var(--spd-primary);background:var(--spd-bg);box-shadow:0 0 0 3px rgba(0,100,155,.1)}.spd-calc-page .option-card-icon{font-size:32px;margin-bottom:8px;display:block}.spd-calc-page .option-card-title{font-size:15px;font-weight:600;color:var(--spd-text);margin-bottom:4px}.spd-calc-page .option-card-desc{font-size:12px;color:var(--spd-text-muted);line-height:1.4}.spd-calc-page .pro-params{display:none;margin-top:24px;padding:24px;background:var(--spd-bg-light);border:1px dashed var(--spd-border);border-radius:var(--spd-radius)}.spd-calc-page .pro-params.visible{display:block;animation:spdFadeIn .3s ease}.spd-calc-page .pro-params-title{font-size:16px;font-weight:600;color:var(--spd-primary);margin:0 0 20px 0;display:flex;align-items:center;gap:8px}.spd-calc-page .pro-params-title::before{content:'';display:inline-block;width:4px;height:20px;background:var(--spd-accent);border-radius:2px}.spd-calc-page .pro-params .form-row{margin-bottom:18px}.spd-calc-page .pro-params .form-row:last-child{margin-bottom:0}.spd-calc-page .wizard-nav{display:flex;justify-content:space-between;padding-top:24px;border-top:1px solid var(--spd-border-light);margin-top:30px;gap:12px}.spd-calc-page .btn-wizard{padding:14px 32px;border:none;border-radius:var(--spd-radius-sm);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.spd-calc-page .btn-wizard.btn-back{background:#f0f4f8;color:var(--spd-text-light);border:2px solid var(--spd-border)}.spd-calc-page .btn-wizard.btn-back:hover{background:var(--spd-border-light);border-color:var(--spd-primary);color:var(--spd-text)}.spd-calc-page .btn-wizard.btn-next{background:var(--spd-primary);color:var(--spd-white);border:2px solid var(--spd-primary)}.spd-calc-page .btn-wizard.btn-next:hover{background:var(--spd-primary-dark);border-color:var(--spd-primary-dark)}.spd-calc-page .btn-wizard.btn-next:disabled{background:#b0c4de;border-color:#b0c4de;cursor:not-allowed;opacity:.7}.spd-calc-page .btn-wizard.btn-calculate{background:var(--spd-success);color:var(--spd-white);border:2px solid var(--spd-success);font-size:16px;padding:14px 40px}.spd-calc-page .btn-wizard.btn-calculate:hover{background:#256b29;border-color:#256b29}.spd-calc-page .result-card{background:var(--spd-white);border-radius:var(--spd-radius);box-shadow:var(--spd-shadow);padding:30px;margin-bottom:30px;border:1px solid var(--spd-border-light)}.spd-calc-page .result-header{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:2px solid var(--spd-bg);margin-bottom:25px}.spd-calc-page .result-icon{font-size:40px;flex-shrink:0}.spd-calc-page .result-header h2{margin:0;font-size:24px;font-weight:700;color:var(--spd-text);line-height:1.3}.spd-calc-page .result-header-sub{font-size:14px;color:var(--spd-text-light);margin-top:4px}.spd-calc-page .result-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:30px}.spd-calc-page .result-metric{background:var(--spd-bg-light);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius);padding:20px 16px;text-align:center;transition:transform .2s,box-shadow .2s}.spd-calc-page .result-metric:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,100,155,.08)}.spd-calc-page .result-metric.highlight{background:linear-gradient(135deg,#e8f4fd 0,#d0ebfa 100%);border-color:var(--spd-accent);border-width:2px}.spd-calc-page .result-metric.highlight .metric-value{color:var(--spd-primary)}.spd-calc-page .metric-icon{font-size:28px;margin-bottom:8px;display:block}.spd-calc-page .metric-label{font-size:12px;color:var(--spd-text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-weight:500}.spd-calc-page .metric-value{font-size:28px;font-weight:700;color:var(--spd-text);line-height:1.2}.spd-calc-page .metric-unit{font-size:14px;color:var(--spd-text-light);font-weight:400;margin-left:4px}.spd-calc-page .metric-designation{font-size:13px;color:var(--spd-primary);margin-top:6px;font-weight:500;word-break:break-word}.spd-calc-page .metric-note{font-size:11px;color:var(--spd-text-muted);margin-top:4px}.spd-calc-page .result-section{margin-bottom:24px;padding:20px;border-radius:var(--spd-radius);background:var(--spd-white)}.spd-calc-page .result-section:last-child{margin-bottom:0}.spd-calc-page .result-section h3{font-size:17px;font-weight:600;margin:0 0 16px 0;color:var(--spd-text);display:flex;align-items:center;gap:8px}.spd-calc-page .result-section h3 .icon{font-size:20px}.spd-calc-page .formulas-block{background:var(--spd-bg-light);border:1px dashed var(--spd-border);border-radius:var(--spd-radius);padding:20px 24px;margin-bottom:20px}.spd-calc-page .formulas-block h3{font-size:15px;color:var(--spd-primary);margin:0 0 16px 0}.spd-calc-page .formula-item{margin-bottom:14px;padding:12px 16px;background:var(--spd-white);border-radius:var(--spd-radius-sm);border:1px solid var(--spd-border-light)}.spd-calc-page .formula-item:last-child{margin-bottom:0}.spd-calc-page .formula-name{font-size:13px;color:var(--spd-text-light);margin-bottom:6px;font-weight:500}.spd-calc-page .formula-expression{font-family:'Courier New',Consolas,monospace;font-size:14px;color:var(--spd-text);line-height:1.6;word-break:break-all}.spd-calc-page .formula-result{font-family:'Courier New',Consolas,monospace;font-size:14px;color:var(--spd-primary);font-weight:700;margin-top:4px}.spd-calc-page .warnings-block{margin-bottom:20px}.spd-calc-page .warning-item{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:var(--spd-radius-sm);margin-bottom:10px;font-size:14px;line-height:1.6}.spd-calc-page .warning-item:last-child{margin-bottom:0}.spd-calc-page .warning-item.warning-orange{background:#fff8e1;border-left:4px solid var(--spd-warning);color:#6d4c00}.spd-calc-page .warning-item.warning-red{background:#ffebee;border-left:4px solid var(--spd-danger);color:#8b1a1a}.spd-calc-page .warning-item.warning-blue{background:var(--spd-bg);border-left:4px solid var(--spd-accent);color:var(--spd-primary-dark)}.spd-calc-page .warning-item.warning-green{background:#e8f5e9;border-left:4px solid var(--spd-success);color:#1b5e20}.spd-calc-page .warning-icon{font-size:20px;flex-shrink:0;line-height:1}.spd-calc-page .warning-text{flex:1;font-size:14px;line-height:1.6}.spd-calc-page .warning-text strong{font-weight:600}.spd-calc-page .station-block{background:var(--spd-bg);border:1px solid var(--spd-border);border-radius:var(--spd-radius);padding:24px;margin-bottom:24px}.spd-calc-page .station-block h3{font-size:18px;color:var(--spd-primary);margin:0 0 16px 0}.spd-calc-page .station-specs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.spd-calc-page .station-spec{display:flex;justify-content:space-between;align-items:baseline;padding:10px 14px;background:var(--spd-white);border-radius:var(--spd-radius-sm);font-size:14px}.spd-calc-page .station-spec-label{color:var(--spd-text-light)}.spd-calc-page .station-spec-value{font-weight:700;color:var(--spd-text)}.spd-calc-page .station-designation{text-align:center;margin-top:16px;padding:14px;background:var(--spd-white);border:2px solid var(--spd-primary);border-radius:var(--spd-radius-sm);font-size:16px;font-weight:700;color:var(--spd-primary);letter-spacing:.5px}.spd-calc-page .products-block{background:var(--spd-bg-light);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius);padding:24px;margin-bottom:24px}.spd-calc-page .products-block h3{font-size:17px;color:var(--spd-text);margin:0 0 16px 0}.spd-calc-page .products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.spd-calc-page .product-card{background:var(--spd-white);border-radius:var(--spd-radius);padding:16px;border:2px solid var(--spd-border-light);display:flex;gap:16px;text-decoration:none;color:var(--spd-text);transition:all .2s;align-items:flex-start}.spd-calc-page .product-card:hover{border-color:var(--spd-primary);box-shadow:0 4px 16px rgba(0,100,155,.1);text-decoration:none;color:var(--spd-text)}.spd-calc-page .product-card img{width:90px;height:90px;object-fit:contain;border-radius:var(--spd-radius-sm);background:#f8f9fa;flex-shrink:0;padding:4px}.spd-calc-page .product-info{flex:1;min-width:0}.spd-calc-page .product-name{font-size:14px;font-weight:600;margin-bottom:6px;line-height:1.4;color:var(--spd-text)}.spd-calc-page .product-specs{font-size:12px;color:var(--spd-text-muted);margin-bottom:8px;line-height:1.4}.spd-calc-page .product-price{font-size:17px;font-weight:700;color:var(--spd-primary)}.spd-calc-page .product-link{font-size:13px;color:var(--spd-accent);text-decoration:none;font-weight:500}.spd-calc-page .product-link:hover{color:var(--spd-primary);text-decoration:underline}.spd-calc-page .product-loading{grid-column:1/-1;text-align:center;padding:30px;color:var(--spd-text-muted);font-size:14px}.spd-calc-page .product-empty{grid-column:1/-1;text-align:center;padding:30px;color:var(--spd-text-muted);font-size:14px;background:var(--spd-bg-light);border-radius:var(--spd-radius-sm)}.spd-calc-page #products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.spd-calc-page .spd-equipment-card{background:var(--spd-white);border:2px solid var(--spd-border-light);border-radius:var(--spd-radius);display:flex;flex-direction:column;overflow:hidden;transition:all .2s;height:100%}.spd-calc-page .spd-equipment-card:hover{border-color:var(--spd-primary);box-shadow:0 4px 16px rgba(0,100,155,.12)}.spd-calc-page .spd-ec-header{background:#f8f9fa;padding:10px 16px;font-weight:700;font-size:13px;border-bottom:1px solid #eee;color:var(--spd-text-light)}.spd-calc-page .spd-ec-body{padding:16px;flex:1}.spd-calc-page .spd-ec-image{display:flex;align-items:center;justify-content:center;height:180px;background:#f5f7fa;border-radius:8px;margin-bottom:12px;overflow:hidden}.spd-calc-page .spd-ec-image img{max-width:100%;max-height:100%;object-fit:contain}.spd-calc-page .ec-no-image{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--spd-text-muted);font-size:13px}.spd-calc-page .spd-ec-name{font-size:14px;font-weight:600;line-height:1.4;color:var(--spd-text);margin-bottom:10px}.spd-calc-page .spd-ec-specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:var(--spd-bg-light);border-radius:8px;padding:10px}.spd-calc-page .spd-ec-spec{display:flex;flex-direction:column;gap:2px}.spd-calc-page .spd-ec-spec-label{font-size:10px;color:var(--spd-text-muted);text-transform:uppercase;letter-spacing:.3px}.spd-calc-page .spd-ec-spec-value{font-size:14px;font-weight:700;color:var(--spd-primary)}.spd-calc-page .spd-ec-footer{padding:12px 16px;background:#f8f9fa;border-top:1px solid #eee}.spd-calc-page .spd-ec-btn{display:block;width:100%;padding:10px;background:var(--spd-primary);color:#fff;border:none;border-radius:8px;font-weight:600;text-align:center;text-decoration:none;font-size:14px;cursor:pointer;box-sizing:border-box;transition:background .2s}.spd-calc-page .spd-ec-btn:hover{background:var(--spd-accent);color:#fff;text-decoration:none}.spd-calc-page .no-equipment{text-align:center;padding:24px;color:var(--spd-text-muted);font-size:14px;background:var(--spd-bg-light);border-radius:var(--spd-radius-sm)}.spd-calc-page .badge{display:inline-block;font-size:11px;font-weight:600;padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px;margin-right:8px}.spd-calc-page .badge-success{background:#2e7d32;color:#fff}.spd-calc-page .badge-info{background:var(--spd-primary);color:#fff}.spd-calc-page .result-actions{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap}.spd-calc-page .btn-action{flex:1;min-width:200px;display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 24px;border:none;border-radius:var(--spd-radius);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s;text-decoration:none}.spd-calc-page .btn-action .action-icon{font-size:18px}.spd-calc-page .btn-pdf{background:linear-gradient(135deg,var(--spd-primary) 0,var(--spd-accent) 100%);color:var(--spd-white);box-shadow:0 4px 12px rgba(0,100,155,.2)}.spd-calc-page .btn-pdf:hover{background:linear-gradient(135deg,var(--spd-primary-dark) 0,var(--spd-primary) 100%);box-shadow:0 6px 18px rgba(0,100,155,.3);transform:translateY(-1px);color:var(--spd-white);text-decoration:none}.spd-calc-page .btn-pdf:disabled{background:#b0c4de;box-shadow:none;cursor:not-allowed;transform:none}.spd-calc-page .btn-consult{background:var(--spd-white);color:var(--spd-primary);border:2px solid var(--spd-primary)}.spd-calc-page .btn-consult:hover{background:var(--spd-bg);color:var(--spd-primary-dark);border-color:var(--spd-primary-dark);text-decoration:none}.spd-calc-page .btn-recalc{background:var(--spd-bg-light);color:var(--spd-text);border:2px solid var(--spd-border)}.spd-calc-page .btn-recalc:hover{border-color:var(--spd-primary);background:var(--spd-bg)}.spd-calc-page .btn-quote{background:var(--spd-success);color:var(--spd-white);border:2px solid var(--spd-success)}.spd-calc-page .btn-quote:hover{background:#256b29;border-color:#256b29}.spd-calc-page .lead-gate{margin-top:24px;padding:24px;background:var(--spd-bg-light);border:2px solid var(--spd-border);border-radius:var(--spd-radius);animation:spdFadeIn .3s ease}.spd-calc-page .lead-gate-title{font-weight:600;font-size:17px;color:var(--spd-primary);margin-bottom:6px}.spd-calc-page .lead-gate-subtitle{font-size:13px;color:var(--spd-text-muted);margin-bottom:16px}.spd-calc-page .lead-gate-fields{display:flex;gap:12px;margin-bottom:12px}.spd-calc-page .lead-gate-fields .spd-input{flex:1}.spd-calc-page .lead-gate-consent{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--spd-text-light);margin-bottom:14px;cursor:pointer}.spd-calc-page .lead-gate-consent input[type=checkbox]{accent-color:var(--spd-primary);width:16px;height:16px}.spd-calc-page .lead-gate-consent.spd-error-field{color:var(--spd-danger)}.spd-calc-page .lead-gate-consent a{color:var(--spd-primary);text-decoration:underline}.spd-calc-page .lead-gate-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--spd-primary) 0,var(--spd-accent) 100%);color:var(--spd-white);border:none;border-radius:var(--spd-radius-sm);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s}.spd-calc-page .lead-gate-btn:hover{background:linear-gradient(135deg,var(--spd-primary-dark) 0,var(--spd-primary) 100%)}.spd-calc-page .lead-gate-btn:disabled{background:#b0c4de;cursor:not-allowed}.spd-calc-page .lead-gate-success{padding:16px;background:#f0fdf4;border:1px solid #86efac;border-radius:var(--spd-radius-sm);color:#166534;font-size:14px;line-height:1.6}.spd-calc-page .lead-gate-success a{color:var(--spd-primary);font-weight:600}.spd-calc-page .lead-gate-error{padding:14px;background:#ffebee;border:1px solid #ef9a9a;border-radius:var(--spd-radius-sm);color:var(--spd-danger);font-size:14px;margin-top:10px}.spd-info-block{margin-bottom:40px}.spd-info-block h2{font-size:24px;text-align:center;margin-bottom:8px;color:var(--spd-text);font-weight:700}.spd-info-block .section-subtitle{text-align:center;color:var(--spd-text-light);font-size:15px;margin-bottom:28px}.spd-calc-page .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.spd-calc-page .info-card{background:var(--spd-white);border-radius:var(--spd-radius);padding:28px 24px;text-align:center;box-shadow:var(--spd-shadow);border:1px solid var(--spd-border-light);transition:transform .2s,box-shadow .2s}.spd-calc-page .info-card:hover{transform:translateY(-3px);box-shadow:var(--spd-shadow-hover)}.spd-calc-page .info-icon{font-size:36px;margin-bottom:14px;display:block}.spd-calc-page .info-card h4{font-size:16px;margin:0 0 10px 0;color:var(--spd-text);font-weight:600}.spd-calc-page .info-card p{font-size:13px;color:var(--spd-text-light);margin:0;line-height:1.6}.spd-faq{margin-bottom:40px}.spd-faq h2{font-size:24px;text-align:center;margin-bottom:24px;color:var(--spd-text);font-weight:700}.spd-faq details{background:var(--spd-white);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius);margin-bottom:10px;overflow:hidden;transition:box-shadow .2s}.spd-faq details:hover{box-shadow:0 2px 8px rgba(0,100,155,.06)}.spd-faq details[open]{border-color:var(--spd-border);box-shadow:0 2px 12px rgba(0,100,155,.08)}.spd-faq summary{padding:18px 24px;font-size:15px;font-weight:600;color:var(--spd-text);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:background .2s;user-select:none}.spd-faq summary::-webkit-details-marker{display:none}.spd-faq summary::after{content:'+';font-size:22px;font-weight:300;color:var(--spd-accent);flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--spd-bg-light);transition:all .2s}.spd-faq details[open] summary::after{content:'\2212';background:var(--spd-bg);color:var(--spd-primary)}.spd-faq summary:hover{background:var(--spd-bg-light)}.spd-faq details[open] summary{border-bottom:1px solid var(--spd-border-light);background:var(--spd-bg-light)}.spd-faq .faq-answer{padding:20px 24px;font-size:14px;color:var(--spd-text-light);line-height:1.7}.spd-faq .faq-answer p{margin:0 0 12px 0}.spd-faq .faq-answer p:last-child{margin-bottom:0}.spd-faq .faq-answer ul{margin:8px 0;padding-left:20px}.spd-faq .faq-answer li{margin-bottom:6px}.spd-cta{background:linear-gradient(135deg,var(--spd-bg) 0,#d6edf8 100%);border:1px solid var(--spd-border);color:var(--spd-text);padding:48px 40px;border-radius:16px;text-align:center;margin-bottom:40px;position:relative;overflow:hidden}.spd-cta::before{content:'';position:absolute;top:-60px;right:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(0,176,216,.08) 0,transparent 70%);pointer-events:none}.spd-cta h3{font-size:24px;margin:0 0 12px 0;font-weight:700;color:var(--spd-text)}.spd-cta p{margin:0 0 24px 0;font-size:15px;color:var(--spd-text-light);max-width:500px;margin-left:auto;margin-right:auto;margin-bottom:24px}.spd-cta .btn-cta{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;background:var(--spd-primary);color:var(--spd-white);border:none;border-radius:var(--spd-radius);font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s;text-decoration:none}.spd-cta .btn-cta:hover{background:var(--spd-primary-dark);box-shadow:0 4px 16px rgba(0,100,155,.25);transform:translateY(-1px);text-decoration:none;color:var(--spd-white)}.spd-cta .button{background:#b8fa2c!important;color:#000!important}.spd-calc-page .related-tools{margin-bottom:40px}.spd-calc-page .related-tools h3{font-size:20px;margin-bottom:18px;color:var(--spd-text);font-weight:600}.spd-calc-page .tools-grid{display:flex;gap:16px;flex-wrap:wrap}.spd-calc-page .tool-card{display:flex;align-items:center;gap:12px;padding:16px 24px;background:var(--spd-white);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius);text-decoration:none;color:var(--spd-text);transition:all .2s;flex:1;min-width:200px}.spd-calc-page .tool-card:hover{border-color:var(--spd-primary);background:var(--spd-bg-light);box-shadow:0 4px 12px rgba(0,100,155,.08);text-decoration:none;color:var(--spd-text)}.spd-calc-page .tool-icon{font-size:28px;flex-shrink:0}.spd-calc-page .tool-name{font-weight:600;font-size:14px}.spd-calc-page .tool-desc{font-size:12px;color:var(--spd-text-muted);margin-top:2px}.spd-calc-page .error-card{text-align:center;padding:48px 30px;background:var(--spd-white);border-radius:var(--spd-radius);border:1px solid var(--spd-border-light);box-shadow:var(--spd-shadow);margin-bottom:30px}.spd-calc-page .error-icon{font-size:52px;margin-bottom:16px;display:block}.spd-calc-page .error-card h3{font-size:22px;margin:0 0 12px 0;color:var(--spd-warning);font-weight:700}.spd-calc-page .error-card p{color:var(--spd-text-light);margin:0 0 24px 0;font-size:15px;max-width:450px;margin-left:auto;margin-right:auto;margin-bottom:24px;line-height:1.6}.spd-calc-page .error-card .btn-retry{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:var(--spd-primary);color:var(--spd-white);border:none;border-radius:var(--spd-radius-sm);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s}.spd-calc-page .error-card .btn-retry:hover{background:var(--spd-primary-dark)}.spd-calc-page .spd-rfq-panel{background:var(--spd-bg-light);border:2px solid var(--spd-border);border-radius:var(--spd-radius);padding:28px;margin-top:24px}.spd-calc-page .spd-rfq-panel h3{font-size:18px;margin:0 0 6px 0;color:var(--spd-primary);font-weight:700}.spd-calc-page .spd-rfq-subtitle{font-size:13px;color:var(--spd-text-muted);margin:0 0 20px 0}.spd-calc-page .spd-rfq-summary{background:var(--spd-white);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius-sm);padding:16px;margin-bottom:20px}.spd-calc-page .spd-rfq-summary-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;border-bottom:1px dashed var(--spd-border-light)}.spd-calc-page .spd-rfq-summary-row:last-child{border-bottom:none}.spd-calc-page .spd-rfq-contacts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:16px}.spd-calc-page .spd-rfq-consent{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--spd-text-light);margin-bottom:16px;cursor:pointer}.spd-calc-page .spd-rfq-consent input[type=checkbox]{accent-color:var(--spd-primary)}.spd-calc-page .spd-rfq-success{background:#e8f5e9;border:1px solid #a5d6a7;border-radius:var(--spd-radius-sm);padding:20px;text-align:center;margin-top:16px}.spd-calc-page .spd-rfq-success h4{color:var(--spd-success);margin:0 0 8px 0}.spd-calc-page .spd-rfq-error{background:#ffebee;border:1px solid #ef9a9a;border-radius:var(--spd-radius-sm);padding:14px;text-align:center;color:var(--spd-danger);margin-top:12px;font-size:14px}.spd-calc-page .spd-legal-block{background:var(--spd-bg);border:1px solid var(--spd-border);border-radius:var(--spd-radius);padding:20px;margin-bottom:20px}.spd-calc-page .spd-legal-text{font-size:14px;line-height:1.7;color:#444;margin-bottom:16px}.spd-calc-page .spd-legal-text strong{color:var(--spd-primary)}.spd-calc-page .spd-legal-text:last-child{margin-bottom:0}.spd-calc-page .spd-tech-block{background:#fff8e1;border:1px solid #ffe082;border-radius:var(--spd-radius);padding:20px;margin-bottom:20px}.spd-calc-page .spd-tech-text{font-size:14px;line-height:1.6;color:#5d4037;margin-bottom:12px}.spd-calc-page .spd-tech-text:last-child{margin-bottom:0}.spd-calc-page .spd-loading{position:relative;opacity:.6;pointer-events:none}.spd-calc-page .spd-loading::after{content:'';position:absolute;top:50%;left:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border:4px solid var(--spd-border);border-top-color:var(--spd-primary);border-radius:50%;animation:spdSpin .8s linear infinite}@keyframes spdSpin{to{transform:rotate(360deg)}}.spd-calc-page .spd-spinner-inline{display:inline-block;width:20px;height:20px;border:3px solid var(--spd-border-light);border-top-color:var(--spd-primary);border-radius:50%;animation:spdSpin .8s linear infinite;vertical-align:middle;margin-right:8px}.spd-calc-page .spd-pump-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:20px;background:var(--spd-white);border-radius:var(--spd-radius-sm);overflow:hidden;border:1px solid var(--spd-border-light)}.spd-calc-page .spd-pump-table thead{background:var(--spd-bg)}.spd-calc-page .spd-pump-table th{padding:12px 16px;text-align:left;font-weight:600;font-size:13px;color:var(--spd-text-light);text-transform:uppercase;letter-spacing:.3px;border-bottom:2px solid var(--spd-border)}.spd-calc-page .spd-pump-table td{padding:12px 16px;border-bottom:1px solid var(--spd-border-light);color:var(--spd-text)}.spd-calc-page .spd-pump-table tbody tr:hover{background:var(--spd-bg-light)}.spd-calc-page .spd-pump-table tbody tr:last-child td{border-bottom:none}.spd-calc-page .spd-pump-table tbody tr.recommended{background:#e8f5e9;font-weight:500}.spd-calc-page .spd-scheme{background:var(--spd-white);border:1px solid var(--spd-border-light);border-radius:var(--spd-radius);padding:20px;text-align:center;margin-bottom:20px}.spd-calc-page .spd-scheme img{max-width:100%;height:auto;border-radius:var(--spd-radius-sm)}.spd-calc-page .spd-scheme-caption{font-size:13px;color:var(--spd-text-muted);margin-top:10px}.spd-calc-page .spd-cart-banner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#f0fdf4;border:1px solid #86efac;border-radius:var(--spd-radius);margin-bottom:16px;animation:spdSlideDown .3s ease}.spd-calc-page .spd-cart-banner-text{font-weight:600;color:#166534;font-size:14px}.spd-calc-page .spd-cart-banner-link{color:var(--spd-primary);font-weight:600;text-decoration:underline;font-size:14px}@keyframes spdSlideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.spd-calc-page .spd-legal-note{margin-top:30px;padding:20px;background:#fff8e1;border-radius:var(--spd-radius);border-left:4px solid var(--spd-warning);font-size:13px;color:var(--spd-text);line-height:1.6}.spd-calc-page .spd-legal-note a{color:var(--spd-primary);text-decoration:underline}.spd-calc-page .spd-tooltip{position:relative;display:inline-block}.spd-calc-page .spd-tooltip .spd-tooltip-text{visibility:hidden;position:absolute;bottom:125%;left:50%;transform:translateX(-50%);background:#1a1a2e;color:var(--spd-white);padding:8px 14px;border-radius:6px;font-size:12px;white-space:nowrap;z-index:100;opacity:0;transition:opacity .2s,visibility .2s;pointer-events:none}.spd-calc-page .spd-tooltip .spd-tooltip-text::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:#1a1a2e}.spd-calc-page .spd-tooltip:hover .spd-tooltip-text{visibility:visible;opacity:1}.spd-calc-page .spd-comparison{margin-bottom:24px;overflow-x:auto}.spd-calc-page .spd-comparison table{width:100%;border-collapse:collapse;font-size:14px;background:var(--spd-white);border-radius:var(--spd-radius-sm);overflow:hidden}.spd-calc-page .spd-comparison th{background:var(--spd-bg);padding:12px 16px;text-align:left;font-weight:600;font-size:13px;color:var(--spd-text);border-bottom:2px solid var(--spd-border)}.spd-calc-page .spd-comparison td{padding:10px 16px;border-bottom:1px solid var(--spd-border-light)}.spd-calc-page .spd-comparison tbody tr:last-child td{border-bottom:none}.spd-calc-page .spd-comparison tbody tr:hover{background:var(--spd-bg-light)}@media print{.spd-calc-page{max-width:100%;padding:0}.spd-calc-hero{background:var(--spd-white)!important;color:var(--spd-text)!important;border:2px solid var(--spd-primary);box-shadow:none}.spd-calc-hero h1,.spd-hero-subtitle{color:var(--spd-text)!important}.spd-calc-page .btn-action,.spd-calc-page .btn-wizard,.spd-calc-page .lead-gate,.spd-calc-page .mode-toggle,.spd-calc-page .related-tools,.spd-calc-page .result-actions,.spd-calc-page .wizard-nav,.spd-calc-page .wizard-progress,.spd-cta,.spd-rfq-panel{display:none!important}.spd-calc-page .info-card,.spd-calc-page .result-card,.spd-calc-page .result-metric{box-shadow:none!important;border:1px solid #ccc}.spd-calc-page .wizard-panel{display:block!important}.spd-faq details{border:1px solid #ccc}.spd-faq details[open] summary{border-bottom:1px solid #ccc}}@media (max-width:992px){.spd-calc-page{max-width:100%;padding:16px}.spd-calc-page .result-cards-grid{grid-template-columns:repeat(2,1fr)}.spd-calc-page .info-grid{grid-template-columns:repeat(2,1fr)}.spd-calc-page .station-specs{grid-template-columns:1fr}.spd-calc-page .spd-rfq-contacts{grid-template-columns:1fr 1fr}}@media (max-width:768px){.spd-calc-page{padding:12px}.spd-calc-page #products-grid{grid-template-columns:1fr}.spd-calc-hero{padding:32px 20px;border-radius:12px;margin-bottom:20px}.spd-calc-hero h1{font-size:22px}.spd-hero-subtitle{font-size:14px}.spd-hero-icon{font-size:40px}.spd-calc-page .wizard-progress{flex-direction:column;padding:14px;gap:8px}.spd-calc-page .wizard-step{padding:10px 14px}.spd-calc-page .step-label{font-size:12px}.spd-calc-page .step-num{width:26px;height:26px;font-size:12px}.spd-calc-page .wizard-panel{padding:20px 16px}.spd-calc-page .wizard-panel h2{font-size:18px}.spd-calc-page .form-row--half{grid-template-columns:1fr;gap:16px}.spd-input,.spd-select{height:44px;font-size:14px}.spd-calc-page .radio-group{flex-direction:column}.spd-calc-page .radio-item{min-width:unset}.spd-calc-page .options-grid{grid-template-columns:1fr}.spd-calc-page .mode-toggle{padding:12px 16px;gap:10px}.spd-calc-page .mode-toggle-label{font-size:13px}.spd-calc-page .result-cards-grid{grid-template-columns:1fr;gap:12px}.spd-calc-page .result-metric{padding:16px 14px}.spd-calc-page .metric-value{font-size:24px}.spd-calc-page .metric-label{font-size:11px}.spd-calc-page .result-header{flex-direction:column;text-align:center;gap:10px}.spd-calc-page .result-header h2{font-size:20px}.spd-calc-page .products-grid{grid-template-columns:1fr}.spd-calc-page .product-card img{width:70px;height:70px}.spd-calc-page .result-actions{flex-direction:column}.spd-calc-page .btn-action{min-width:unset;width:100%}.spd-calc-page .lead-gate-fields{flex-direction:column}.spd-calc-page .info-grid{grid-template-columns:1fr}.spd-calc-page .station-specs{grid-template-columns:1fr}.spd-calc-page .spd-rfq-contacts{grid-template-columns:1fr}.spd-cta{padding:32px 20px}.spd-cta h3{font-size:20px}.spd-calc-page .tools-grid{flex-direction:column}.spd-calc-page .tool-card{min-width:unset}.spd-faq summary{padding:14px 18px;font-size:14px}.spd-faq .faq-answer{padding:16px 18px;font-size:13px}.spd-calc-page .wizard-nav{padding-top:16px;margin-top:20px}.spd-calc-page .btn-wizard{padding:12px 20px;font-size:14px}.spd-calc-page .pro-params{padding:18px}.spd-calc-page .spd-cart-banner{flex-direction:column;gap:8px;text-align:center}.spd-calc-page .spd-pump-table{display:block;overflow-x:auto}.spd-calc-page .error-card{padding:32px 20px}.spd-calc-page .error-icon{font-size:42px}.spd-calc-page .error-card h3{font-size:18px}.spd-calc-page .formula-expression{font-size:12px;word-break:break-all}}@media (max-width:480px){.spd-calc-hero h1{font-size:19px}.spd-hero-subtitle{font-size:13px}.spd-calc-page .wizard-panel{padding:16px 12px}.spd-calc-page .result-card{padding:20px 16px}.spd-calc-page .metric-value{font-size:22px}.spd-calc-page .products-block{padding:16px}.spd-cta{padding:24px 16px}.spd-cta h3{font-size:18px}.spd-calc-page .btn-wizard{padding:10px 16px;font-size:13px}.spd-calc-page .lead-gate{padding:18px}.spd-calc-page .mode-toggle{flex-wrap:wrap;justify-content:center}}