@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;700&display=swap";:root{--bg-primary: #F5F7FA;--bg-card: #FFFFFF;--bg-secondary: #F0F2F5;--bg-hover: #E8ECF1;--bg-input: #FFFFFF;--bg-overlay: rgba(0,0,0,.5);--bg-nav: #0B2D45;--bg-nav-hover: #103D5C;--bg-sidebar: #FFFFFF;--border-light: #E5E7EB;--border-medium: #D1D5DB;--border-focus: #1DBCCE;--text-primary: #1F2937;--text-secondary: #6B7280;--text-muted: #9CA3AF;--text-label: #4B5563;--text-number: #0D8FA2;--text-nav: #F9FAFB;--text-nav-muted: #94A3B8;--brand-primary: #0D8FA2;--brand-primary-light: rgba(13,143,162,.1);--brand-primary-hover: #0B7A8C;--brand-secondary: #059669;--brand-secondary-light: rgba(5,150,105,.08);--brand-dark: #0B2D45;--color-success: #059669;--color-success-light: rgba(5,150,105,.08);--color-success-border: rgba(5,150,105,.25);--color-success-bg: #ECFDF5;--color-warning: #D97706;--color-warning-light: rgba(217,119,6,.08);--color-warning-border: rgba(217,119,6,.25);--color-warning-bg: #FFFBEB;--color-danger: #DC2626;--color-danger-light: rgba(220,38,38,.08);--color-danger-border: rgba(220,38,38,.25);--color-danger-bg: #FEF2F2;--color-info: #0D8FA2;--color-info-light: rgba(13,143,162,.1);--color-purple: #7C3AED;--color-purple-light: rgba(124,58,237,.08);--cyan: #1DBCCE;--cyan-dim: rgba(29,188,206,.1);--radius-xs: 4px;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-xs: 0 1px 2px rgba(0,0,0,.05);--shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.05);--font-main: "Inter", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "Inter", "Noto Sans TC", sans-serif;--font-mono: "IBM Plex Mono", "JetBrains Mono", "Fira Code", 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#2563eb26}.mode-icon{font-size:1.4rem}.mode-label{font-size:.72rem;font-weight:700;color:var(--text-primary)}.mode-desc{font-size:.62rem;color:var(--text-muted)}.mode-delta{font-size:.62rem;color:var(--brand-primary);font-weight:600;font-family:var(--font-mono)}.custom-delta-section{margin-bottom:10px}.effective-delta-badge{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--color-info-light);border:1px solid rgba(37,99,235,.15);border-radius:var(--radius-sm);font-size:.78rem;color:var(--text-secondary);margin-bottom:8px}.effective-delta-badge strong{color:var(--brand-primary);font-family:var(--font-mono)}.compensation-preview{color:var(--text-muted);font-family:var(--font-mono);font-size:.72rem}.qty-input-section{margin:12px 0}.life-comparison{display:flex;gap:8px;padding:10px 12px;border-radius:var(--radius-sm);align-items:flex-start;margin-top:8px}.life-comparison-safe{background:var(--color-success-bg);border:1px solid 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.adsbygoogle{display:block!important}.reverse-desc{color:var(--text-secondary);font-size:.88rem;margin-bottom:20px;line-height:1.6}.reverse-input-row{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:20px}.reverse-input-row .input-group{display:flex;flex-direction:column;gap:6px;flex:1;min-width:160px}.reverse-input-row .input-group label{font-size:.78rem;font-weight:600;color:var(--text-label);text-transform:uppercase;letter-spacing:.3px}.reverse-btn{white-space:nowrap;padding:9px 24px;flex-shrink:0}.reverse-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.filter-chip{padding:4px 14px;border-radius:20px;font-size:.78rem;font-weight:500;border:1px solid var(--border-light);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;transition:all .15s}.filter-chip:hover{border-color:var(--brand-primary);color:var(--brand-primary)}.filter-chip.active{background:var(--brand-primary);border-color:var(--brand-primary);color:#fff}.reverse-results{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border-light);margin-top:4px}.reverse-table{width:100%;border-collapse:collapse;font-size:.85rem;min-width:560px}.reverse-table thead tr{background:var(--bg-secondary)}.reverse-table th{padding:10px 16px;text-align:left;font-size:.75rem;font-weight:700;color:var(--text-label);text-transform:uppercase;letter-spacing:.4px;border-bottom:2px solid var(--border-light);white-space:nowrap}.reverse-table th:first-child,.reverse-table td:first-child{width:44px;text-align:center;color:var(--text-muted);font-size:.78rem}.reverse-table td{padding:10px 16px;border-bottom:1px solid var(--border-light);color:var(--text-primary);white-space:nowrap;vertical-align:middle}.reverse-table tbody tr:last-child td{border-bottom:none}.reverse-table tbody tr:hover td{background:var(--bg-secondary)}.reverse-table tbody tr.match-close td{background:#22c55e12}.reverse-table tbody tr.match-close:hover td{background:#22c55e21}.spec-cell{font-family:var(--font-mono);font-size:.9rem;letter-spacing:.2px}.spec-cell strong{color:var(--brand-primary)}.reverse-table th:last-child{text-align:right}.deviation-cell{font-family:var(--font-mono);font-weight:600;font-size:.85rem;text-align:right}.dev-pos{color:var(--color-success, #22c55e)}.dev-neg{color:var(--color-danger, #ef4444)}@media(max-width:600px){.reverse-input-row{flex-direction:column;align-items:stretch}.reverse-btn{width:100%}}.landing-root{min-height:100vh;background:#f8fafc;font-family:var(--font-main)}.landing-hero-bg{background:#0b2d45}.landing-hero{display:flex;align-items:center;justify-content:center;gap:60px;max-width:1200px;margin:0 auto;padding:80px 32px 64px}.landing-hero-inner{flex:1;max-width:560px}.landing-hero-visual{flex:1;max-width:420px}.landing-logo-mark{display:flex;align-items:center;gap:12px;margin-bottom:40px}.landing-brand{font-size:1.25rem;font-weight:800;color:#f1f5f9;letter-spacing:-.3px}.landing-hero-title{font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:800;color:#f1f5f9;line-height:1.15;letter-spacing:-.5px;margin-bottom:20px}.landing-hero-sub{font-size:1.05rem;color:#94a3b8;line-height:1.7;margin-bottom:36px;max-width:480px}.landing-cta-group{display:flex;align-items:center;gap:16px;margin-bottom:16px}.landing-btn-primary{padding:14px 32px;background:#1dbcce;color:#0b2d45;border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;font-family:var(--font-main);transition:background .2s,transform .15s;box-shadow:0 4px 20px #1dbcce4d;white-space:nowrap}.landing-btn-primary:hover{background:#17a3b4;transform:translateY(-1px)}.landing-cta-note{font-size:.82rem;color:#64748b}.landing-login-link{background:none;border:none;cursor:pointer;font-size:.88rem;color:#5ecfdd;font-family:var(--font-main);text-decoration:underline;padding:0}.landing-login-link:hover{color:#1dbcce}.landing-mockup{background:#fff;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 8px 32px #0f172a1a;overflow:hidden}.mockup-header{display:flex;align-items:center;gap:6px;padding:12px 16px;background:#f1f5f9;border-bottom:1px solid #E2E8F0}.mockup-dot{width:10px;height:10px;border-radius:50%}.mockup-dot.red{background:#ff5f57}.mockup-dot.yellow{background:#ffbd2e}.mockup-dot.green{background:#28c840}.mockup-title{font-size:.78rem;color:#64748b;font-weight:600;margin-left:4px}.mockup-body{padding:20px}.mockup-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid #F1F5F9}.mockup-row:last-of-type{border-bottom:none}.mockup-label{font-size:.8rem;color:#64748b;flex:1}.mockup-value{font-family:var(--font-mono);font-size:.9rem;font-weight:600;color:#0f172a}.mockup-conf{font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:12px}.mockup-conf.high{background:#dcfce7;color:#15803d}.mockup-conf.medium{background:#fef9c3;color:#854d0e}.mockup-divider{height:1px;background:#e2e8f0;margin:12px 0}.mockup-result-row{display:flex;justify-content:space-between;align-items:center;padding-top:4px}.mockup-result-label{font-size:.85rem;color:#475569;font-weight:600}.mockup-result-value{font-family:var(--font-mono);font-size:1.05rem;font-weight:700;color:#0d8fa2}.landing-features{padding:48px 32px;background:#fff;border-top:1px solid #E2E8F0;border-bottom:1px solid #E2E8F0}.landing-section-inner{max-width:1100px;margin:0 auto}.landing-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}.landing-feature-card{padding:24px;border-radius:10px;border:1px solid #E2E8F0;background:#f8fafc;transition:box-shadow .2s,transform .2s}.landing-feature-card:hover{box-shadow:0 4px 16px #0f172a14;transform:translateY(-2px)}.feature-icon{font-size:1.6rem;display:block;margin-bottom:12px}.feature-title{font-size:1rem;font-weight:700;color:#0f172a;margin-bottom:8px}.feature-desc{font-size:.85rem;color:#64748b;line-height:1.6;margin:0}.landing-trust{padding:40px 32px;text-align:center}.landing-trust-label{font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;margin-bottom:16px}.landing-trust-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.trust-badge{padding:8px 20px;border:1px solid #E2E8F0;border-radius:100px;font-size:.88rem;font-weight:600;color:#475569;background:#fff}.landing-pricing{padding:64px 32px;background:#fff;border-top:1px solid #E2E8F0}.landing-section-title{text-align:center;font-size:1.75rem;font-weight:800;color:#0f172a;margin-bottom:40px;letter-spacing:-.3px}.landing-plan-row{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:24px}.landing-plan-card{width:280px;padding:32px 28px;border-radius:12px;border:1px solid #E2E8F0;background:#f8fafc;position:relative}.landing-plan-card.featured{border-color:#1dbcce;background:#fff;box-shadow:0 8px 32px #1dbcce26}.plan-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:#0b2d45;color:#fff;font-size:.72rem;font-weight:700;padding:3px 14px;border-radius:100px;text-transform:uppercase;letter-spacing:.05em}.plan-trial-badge{display:inline-block;margin-bottom:10px;background:#1dbcce1f;color:#0b7a8c;font-size:.78rem;font-weight:600;padding:3px 12px;border-radius:100px;border:1px solid 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0}.landing-pricing-link{display:block;text-align:center;background:none;border:none;color:#0d8fa2;font-size:.9rem;font-weight:600;cursor:pointer;font-family:var(--font-main);text-decoration:underline}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0b2d45,#103d5c 60%,#0d5c6e);padding:24px 16px}.login-card{width:100%;max-width:400px;background:#fff;border-radius:16px;padding:40px 36px 32px;box-shadow:0 20px 60px #00000059}.login-header{text-align:center;margin-bottom:28px}.login-logo{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:14px;margin-bottom:14px;box-shadow:0 4px 16px #0b2d454d}.login-title{font-size:1.4rem;font-weight:800;color:#0b2d45;margin:0 0 4px;letter-spacing:-.3px}.login-subtitle{font-size:.82rem;color:var(--text-secondary);margin:0}.login-oauth-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:11px 16px;border-radius:8px;font-size:.9rem;font-weight:600;font-family:var(--font-main);cursor:pointer;transition:background .2s,box-shadow .2s,transform .15s;border:1.5px solid #E5E7EB;background:#fff;color:#1f2937;margin-bottom:4px}.login-oauth-btn:hover{background:#f8fafc;border-color:#d1d5db;transform:translateY(-1px);box-shadow:0 2px 8px #00000014}.login-oauth-btn.facebook{background:#1877f2;border-color:#1877f2;color:#fff}.login-oauth-btn.facebook:hover{background:#166fe5;border-color:#166fe5;box-shadow:0 2px 8px #1877f259}.login-divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--text-muted);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#e5e7eb}.login-input{width:100%;padding:11px 14px;border:1.5px solid #E5E7EB;border-radius:8px;font-size:.9rem;font-family:var(--font-main);color:#1f2937;background:#f8fafc;margin-bottom:10px;transition:border-color .2s,box-shadow .2s;box-sizing:border-box;outline:none}.login-input:focus{border-color:#1dbcce;background:#fff;box-shadow:0 0 0 3px #1dbcce1f}.login-submit-btn{width:100%;padding:12px 16px;background:#1dbcce;color:#0b2d45;border:none;border-radius:8px;font-size:.95rem;font-weight:700;font-family:var(--font-main);cursor:pointer;margin-top:4px;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 4px 16px #1dbcce4d}.login-submit-btn:hover:not(:disabled){background:#17a3b4;transform:translateY(-1px);box-shadow:0 6px 20px #1dbcce61}.login-submit-btn:disabled{opacity:.6;cursor:not-allowed}.login-message{margin:12px 0 0;padding:10px 14px;border-radius:8px;font-size:.83rem;line-height:1.5;background:#f0fdf4;color:#059669;border:1px solid #BBF7D0}.login-message.error{background:#fef2f2;color:#dc2626;border-color:#fecaca}.login-mode-switch{display:flex;justify-content:center;gap:16px;margin-top:20px;flex-wrap:wrap}.login-mode-switch button{background:none;border:none;color:#0d8fa2;font-size:.83rem;font-weight:600;cursor:pointer;font-family:var(--font-main);padding:0;transition:color .15s;text-decoration:underline;text-underline-offset:2px}.login-mode-switch button:hover{color:#0b7a8c}.login-terms{margin-top:20px;text-align:center;font-size:.73rem;color:var(--text-muted);line-height:1.5}@media(max-width:768px){.landing-hero{flex-direction:column;gap:40px;padding:48px 20px 40px}.landing-hero-visual{width:100%;max-width:100%}.landing-hero-title{font-size:2rem}.landing-cta-group{flex-direction:column;align-items:flex-start}.landing-features,.landing-trust,.landing-pricing{padding:40px 20px}.login-card{padding:32px 24px 24px}}