@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--sp-16: 64px;--sp-24: 96px;--sp-32: 128px;--rad-sm: 6px;--rad-md: 8px;--rad-lg: 12px;--rad-xl: 16px;--rad-full: 9999px;--bg-page: #fafafa;--bg-surface: #ffffff;--bg-hover: #f3f4f6;--bg-elevated: #ffffff;--border-subtle: #eaeaea;--border-strong: #d1d5db;--border-focus: #000000;--text-primary: #111827;--text-secondary: #4b5563;--text-tertiary: #9ca3af;--brand-primary: #000000;--brand-text: #ffffff;--brand-hover: #1f2937;--status-success-bg: #ecfdf5;--status-success-text: #059669;--status-warning-bg: #fffbeb;--status-warning-text: #d97706;--status-danger-bg: #fef2f2;--status-danger-text: #dc2626;--accent-blue: #0070f3;--accent-blue-bg: rgba(0, 112, 243, .1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .03);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .05), 0 10px 10px -5px rgba(0, 0, 0, .02)}:root[data-theme=dark]{--bg-page: #000000;--bg-surface: #0a0a0a;--bg-hover: #171717;--bg-elevated: #111111;--border-subtle: #27272a;--border-strong: #3f3f46;--border-focus: #ffffff;--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-tertiary: #6b7280;--brand-primary: #ffffff;--brand-text: #000000;--brand-hover: #e5e7eb;--status-success-bg: rgba(5, 150, 105, .15);--status-success-text: #10b981;--status-danger-bg: rgba(220, 38, 38, .15);--status-danger-text: #ef4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg-page: #000000;--bg-surface: #0a0a0a;--bg-hover: #171717;--bg-elevated: #111111;--border-subtle: #27272a;--border-strong: #3f3f46;--border-focus: #ffffff;--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-tertiary: #6b7280;--brand-primary: #ffffff;--brand-text: #000000;--brand-hover: #e5e7eb;--status-success-bg: rgba(5, 150, 105, .15);--status-success-text: #10b981;--status-danger-bg: rgba(220, 38, 38, .15);--status-danger-text: #ef4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-page);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color .2s}button{font-family:inherit}.eco-container{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--sp-6)}.eco-container-narrow{max-width:768px}.eco-section{padding:var(--sp-16) 0}.eco-split-layout{display:grid;grid-template-columns:45% 55%;gap:var(--sp-12);align-items:start}@media (max-width: 900px){.eco-split-layout{grid-template-columns:1fr;gap:var(--sp-8)}}.eco-nav{position:sticky;top:0;width:100%;height:64px;background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;z-index:50}.eco-nav-inner{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--sp-6);display:flex;justify-content:space-between;align-items:center}.eco-logo{font-weight:700;font-size:1.1rem;letter-spacing:-.02em}.eco-nav-links{display:flex;gap:var(--sp-6);align-items:center;font-size:.9rem;font-weight:500;color:var(--text-secondary)}.eco-nav-links a:hover{color:var(--text-primary)}.eco-hero{padding:var(--sp-24) 0 var(--sp-16)}.eco-hero-title{font-size:clamp(2.5rem,5vw,4rem);font-weight:700;letter-spacing:-.04em;line-height:1.1;margin-bottom:var(--sp-4)}.eco-hero-desc{font-size:1.25rem;color:var(--text-secondary);max-width:600px;line-height:1.6}.eco-hero-center{text-align:center}.eco-hero-center .eco-hero-desc{margin:0 auto}.eco-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 var(--sp-4);border-radius:var(--rad-md);font-size:.9rem;font-weight:500;transition:all .2s;cursor:pointer;border:1px solid transparent}.eco-btn-primary{background:var(--brand-primary);color:var(--brand-text)}.eco-btn-primary:hover{background:var(--brand-hover)}.eco-btn-outline{border-color:var(--border-strong);color:var(--text-primary);background:transparent}.eco-btn-outline:hover{background:var(--bg-hover)}.eco-btn-lg{height:48px;padding:0 var(--sp-6);font-size:1rem}.eco-hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--sp-6)}.eco-category-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--sp-6);color:var(--text-primary);border-bottom:1px solid var(--border-subtle);padding-bottom:var(--sp-3)}.eco-app-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--rad-xl);padding:var(--sp-6);display:flex;flex-direction:column;transition:all .3s ease;box-shadow:var(--shadow-sm);position:relative}.eco-app-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}.eco-app-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--sp-4)}.eco-app-icon{width:48px;height:48px;border-radius:var(--rad-lg);background:var(--bg-page);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-primary)}.eco-badge{padding:4px 8px;border-radius:var(--rad-full);font-size:.75rem;font-weight:600}.eco-badge-live{background:var(--status-success-bg);color:var(--status-success-text)}.eco-badge-time{background:var(--bg-page);color:var(--text-secondary);border:1px solid var(--border-subtle)}.eco-app-title{font-size:1.1rem;font-weight:600;margin-bottom:var(--sp-2)}.eco-app-desc{font-size:.9rem;color:var(--text-secondary);flex-grow:1;margin-bottom:var(--sp-6)}.eco-app-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-subtle);padding-top:var(--sp-4)}.eco-app-cta{font-size:.9rem;font-weight:500;color:var(--brand-primary);display:flex;align-items:center;gap:var(--sp-1)}.eco-app-card:hover .eco-app-cta{gap:var(--sp-2)}.eco-app-cta svg{transition:transform .2s}.eco-input-section{display:flex;flex-direction:column;gap:var(--sp-6)}.eco-input-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--rad-lg);padding:var(--sp-6);box-shadow:var(--shadow-sm);transition:border-color .2s}.eco-input-card:focus-within{border-color:var(--border-focus)}.eco-input-header{display:flex;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-4)}.eco-input-icon{width:32px;height:32px;border-radius:var(--rad-sm);background:var(--bg-page);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;font-size:1rem}.eco-input-title{font-size:1rem;font-weight:600}.eco-input-desc{font-size:.85rem;color:var(--text-tertiary);margin-top:2px}.eco-input-field-wrapper{display:flex;align-items:center;border-bottom:2px solid var(--border-subtle);padding-bottom:var(--sp-2);margin-bottom:var(--sp-4);transition:border-color .2s}.eco-input-card:focus-within .eco-input-field-wrapper{border-color:var(--brand-primary)}.eco-input-prefix,.eco-input-suffix{font-size:1.25rem;font-weight:500;color:var(--text-tertiary)}.eco-input{flex-grow:1;border:none;background:transparent;outline:none;font-size:1.5rem;font-weight:600;color:var(--text-primary);text-align:right;font-feature-settings:"tnum"}.eco-slider-container{height:24px;display:flex;align-items:center;position:relative}.eco-slider{-webkit-appearance:none;width:100%;height:6px;background:var(--bg-hover);border-radius:var(--rad-full);outline:none;cursor:pointer;background-image:linear-gradient(var(--brand-primary),var(--brand-primary));background-size:var(--progress, 0%) 100%;background-repeat:no-repeat}.eco-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--bg-surface);border:2px solid var(--border-strong);box-shadow:var(--shadow-sm);transition:transform .1s}.eco-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.eco-slider::-webkit-slider-thumb:active{transform:scale(.9)}.eco-result-section{position:sticky;top:100px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--rad-xl);padding:var(--sp-10) var(--sp-8);box-shadow:var(--shadow-lg);display:flex;flex-direction:column}.eco-result-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600;color:var(--text-secondary);margin-bottom:var(--sp-4)}.eco-result-value{font-size:clamp(3rem,6vw,4.5rem);font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--text-primary);margin-bottom:var(--sp-6);font-feature-settings:"tnum"}.eco-status{display:inline-flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);border-radius:var(--rad-full);font-size:.9rem;font-weight:600;margin-bottom:var(--sp-8)}.eco-status.good{background:var(--status-success-bg);color:var(--status-success-text)}.eco-status.bad{background:var(--status-danger-bg);color:var(--status-danger-text)}.eco-metrics{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-6);border-top:1px solid var(--border-subtle);padding-top:var(--sp-8)}.eco-metric-label{font-size:.85rem;color:var(--text-secondary);margin-bottom:var(--sp-1)}.eco-metric-value{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.eco-insight{background:var(--bg-surface);border-left:3px solid var(--brand-primary);padding:var(--sp-6);margin-bottom:var(--sp-4);box-shadow:var(--shadow-sm);border-radius:0 var(--rad-md) var(--rad-md) 0}.eco-insight-title{font-weight:600;font-size:1.1rem;margin-bottom:var(--sp-2)}.eco-insight-text{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.eco-footer{border-top:1px solid var(--border-subtle);padding:var(--sp-12) 0;margin-top:var(--sp-24);text-align:center}.eco-footer-logo{font-weight:700;font-size:1.25rem;margin-bottom:var(--sp-2)}.eco-footer-text{color:var(--text-secondary);font-size:.9rem}.eco-article{max-width:760px;margin:0 auto;padding:var(--sp-16) 0 var(--sp-24) 0;color:var(--text-secondary);font-size:1.125rem;line-height:1.8}.eco-article h2{color:var(--text-primary);font-size:2rem;font-weight:600;letter-spacing:-.02em;margin:var(--sp-12) 0 var(--sp-6) 0}.eco-article h3{color:var(--text-primary);font-size:1.5rem;font-weight:600;letter-spacing:-.01em;margin:var(--sp-8) 0 var(--sp-4) 0}.eco-article p{margin-bottom:var(--sp-6)}.eco-article ul,.eco-article ol{margin-bottom:var(--sp-6);padding-left:var(--sp-6)}.eco-article li{margin-bottom:var(--sp-3)}.eco-article strong{color:var(--text-primary);font-weight:600}.eco-article a{color:var(--accent-blue);text-decoration:underline;text-underline-offset:4px;text-decoration-color:#0071e34d;transition:all .2s}.eco-article a:hover{text-decoration-color:var(--accent-blue)}.eco-article .eco-callout{background:var(--bg-hover);border-left:4px solid var(--accent-blue);padding:var(--sp-6) var(--sp-8);border-radius:0 var(--rad-md) var(--rad-md) 0;margin:var(--sp-8) 0}.eco-article .eco-callout-title{color:var(--text-primary);font-weight:600;margin-bottom:var(--sp-2)}.eco-faq-item{border-top:1px solid var(--border-subtle);padding:var(--sp-6) 0}.eco-faq-question{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin-bottom:var(--sp-3)}.eco-faq-answer{color:var(--text-secondary)}.market-context-section select{border:1px solid var(--border);padding:12px 16px;border-radius:8px;color:var(--ink);font-weight:600;font-size:14px;transition:all .2s;cursor:pointer}.market-context-section select:hover{border-color:var(--primary)}.market-context-section select:focus{box-shadow:0 0 0 3px #5b3fff26;border-color:var(--primary)}.tooltip{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;background:var(--text-muted);color:#fff;border-radius:50%;font-size:10px;font-weight:700;cursor:help;position:relative;margin-left:4px}.tooltip .tooltip-text{visibility:hidden;width:220px;background-color:var(--ink);color:#fff;text-align:center;border-radius:6px;padding:8px;position:absolute;z-index:1;bottom:125%;left:50%;margin-left:-110px;opacity:0;transition:opacity .3s;font-size:12px;font-weight:500;line-height:1.4;box-shadow:var(--shadow-md)}.tooltip:hover .tooltip-text{visibility:visible;opacity:1}@media print{body{background:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}nav,.hero,.market-context-section,.calc-panel:first-child,footer,.calc-mq-wrap,billazz-announce{display:none!important}.calc-grid{display:block!important}#premium-result-card{border:none!important;box-shadow:none!important;position:static!important;max-width:100%!important;margin:0!important}#premium-result-card .btn{display:none!important}}.scen-premium-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:32px;box-shadow:var(--shadow-sm);transition:all .4s cubic-bezier(.25,1,.5,1);position:relative;overflow:hidden}.scen-premium-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .4s ease}.scen-premium-card:hover{transform:translateY(-8px);box-shadow:0 24px 48px #5b3fff1f;border-color:#5b3fff4d}.scen-premium-card:hover:before{opacity:1}.scen-p-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.scen-p-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center}.scen-p-badge{padding:4px 12px;border-radius:999px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px}.scen-p-rate{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}.scen-p-market{background:var(--bg-input);padding:16px;border-radius:12px;margin-bottom:24px}.scen-p-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.scen-p-stat{background:#fff;border:1px solid var(--border);padding:12px;border-radius:8px}.scen-p-stat .lbl{display:block;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}.scen-p-stat .val{display:block;font-size:15px;font-weight:800;color:var(--ink)}.scen-p-insight{font-size:14px;color:var(--text-secondary);line-height:1.6;padding-top:16px;border-top:1px solid var(--border)}.scen-p-insight strong{color:var(--ink)}.toast-container{position:fixed;bottom:32px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:12px;pointer-events:none}.billazz-toast{background:#fff;border:1px solid var(--border);box-shadow:0 16px 32px #0000001f;border-radius:999px;padding:12px 24px;display:flex;align-items:center;gap:12px;transform:translateY(100px) scale(.9);opacity:0;transition:all .4s cubic-bezier(.175,.885,.32,1.275)}.billazz-toast.show{transform:translateY(0) scale(1);opacity:1}.toast-success .toast-icon{color:#10b981;display:flex;align-items:center}.toast-error .toast-icon{color:#ef4444;display:flex;align-items:center}.toast-msg{font-size:14px;font-weight:600;color:var(--ink)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9998;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.modal-backdrop.show{opacity:1}.modal-card{background:#fff;border-radius:16px;padding:32px;max-width:400px;width:90%;box-shadow:0 24px 48px #0003;transform:translateY(20px) scale(.95);opacity:0;transition:all .3s cubic-bezier(.25,1,.5,1)}.modal-backdrop.show .modal-card{transform:translateY(0) scale(1);opacity:1}@media print{#billazz-toast-container,#billazz-reset-modal,.res-actions,.why-rate-box,.panel-title:first-child,.calc-panel:first-child{display:none!important}}