:root{--color-bg: #f1f5f9;--color-bg-wash: #eef2f7;--color-card: #ffffff;--color-primary: #1e3a5f;--color-primary-hover: #15304f;--color-primary-soft: #e0e7f3;--color-accent: #0ea5e9;--color-accent-soft: #e0f2fe;--color-success: #10b981;--color-success-bg: #ecfdf5;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-border: #e2e8f0;--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow: 0 4px 16px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 40px rgba(15, 23, 42, .1);--font: -apple-system, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);line-height:1.65;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;font-size:15px}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}img{max-width:100%;display:block}.container{max-width:1120px;margin:0 auto;padding:0 24px;width:100%}.navbar{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.6)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.navbar-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit}.navbar-logo .logo-icon{width:32px;height:32px;color:var(--color-primary);flex-shrink:0}.navbar-logo .logo-text{display:inline-flex;flex-direction:column;line-height:1;gap:3px}.navbar-logo .logo-main{font-size:1.3rem;font-weight:800;color:var(--color-primary);letter-spacing:-.01em}.navbar-logo .logo-accent{color:var(--color-accent)}.navbar-logo .logo-sub{font-size:.6rem;font-weight:500;color:var(--color-text-muted);letter-spacing:.05em}.navbar-links{display:flex;gap:28px;list-style:none}.navbar-links a{color:var(--color-text-secondary);font-size:.92rem;font-weight:500;transition:color .15s}.navbar-links a:hover{color:var(--color-primary)}.hero{position:relative;padding:80px 0 64px;overflow:hidden}.hero:before{content:"";position:absolute;top:-120px;right:-80px;width:480px;height:480px;background:radial-gradient(circle,rgba(30,58,95,.08),transparent 70%);pointer-events:none}.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--color-primary-soft);color:var(--color-primary);font-size:.78rem;font-weight:500;padding:5px 12px;border-radius:999px;margin-bottom:20px}.hero-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-primary)}.hero-title{font-size:2.6rem;font-weight:800;line-height:1.15;color:var(--color-primary);margin-bottom:16px;letter-spacing:-.02em}.hero-title .highlight{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:1rem;color:var(--color-text-secondary);margin-bottom:28px;max-width:460px;line-height:1.75}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:.95rem;font-weight:600;font-family:var(--font);cursor:pointer;transition:all .2s ease;border:1px solid transparent}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px #1e3a5f40}.btn-ghost{background:#fff;color:var(--color-primary);border-color:var(--color-border)}.btn-ghost:hover{border-color:var(--color-primary);background:var(--color-primary-soft)}.btn-arrow:after{content:"→";font-size:1.05em;transition:transform .15s}.btn-arrow:hover:after{transform:translate(2px)}.hero-preview{background:linear-gradient(135deg,#1e3a5f,#2563eb);border-radius:20px;padding:32px;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.hero-preview:after{content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 70%);pointer-events:none}.hero-preview-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.hero-preview-label{font-size:.82rem;opacity:.85;font-weight:500}.hero-preview-badge{background:#ffffff26;padding:4px 10px;border-radius:6px;font-size:.72rem;font-weight:500}.hero-preview-amount{font-size:1.3rem;font-weight:700;margin-bottom:20px}.hero-preview-amount .value{font-size:2.6rem;font-weight:800;line-height:1;display:block;margin-top:6px}.hero-preview-row{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid rgba(255,255,255,.15);font-size:.85rem}.hero-preview-row:first-of-type{border-top:none;padding-top:0}.hero-preview-row .k{opacity:.75}.hero-preview-row .v{font-weight:600}.section-head{text-align:center;padding:48px 0 32px}.section-title{font-size:1.8rem;font-weight:800;color:var(--color-primary);margin-bottom:8px;letter-spacing:-.01em}.section-sub{font-size:.95rem;color:var(--color-text-secondary)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px}.tool-card-dark{grid-column:span 3;background:linear-gradient(135deg,#1e3a5f,#2563eb);border-radius:var(--radius);padding:36px;color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);transition:transform .2s}.tool-card-dark:hover{transform:translateY(-2px)}.tool-card-dark:after{content:"";position:absolute;top:-80px;right:-40px;width:240px;height:240px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);pointer-events:none}.tool-card-dark-content{position:relative;z-index:1}.tool-card-dark-badge{display:inline-flex;align-items:center;gap:6px;background:#10b98140;color:#6ee7b7;font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:6px;margin-bottom:14px}.tool-card-dark-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:#34d399}.tool-card-dark h3{font-size:1.5rem;font-weight:800;margin-bottom:8px}.tool-card-dark p{font-size:.9rem;opacity:.85;line-height:1.7;margin-bottom:18px}.tool-card-dark-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;position:relative;z-index:1}.tool-stat{background:#ffffff1f;backdrop-filter:blur(4px);padding:16px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.12)}.tool-stat .num{font-size:1.6rem;font-weight:800;line-height:1;margin-bottom:4px}.tool-stat .lbl{font-size:.78rem;opacity:.8}.tool-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--color-border);transition:all .2s ease;display:block;text-decoration:none;color:var(--color-text);position:relative}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;color:var(--color-text)}.tool-card.disabled{opacity:.85}.tool-card.disabled:hover{transform:none;box-shadow:none}.tool-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:14px;background:var(--color-accent-soft);color:var(--color-primary)}.tool-icon.blue{background:#eff6ff;color:#2563eb}.tool-icon.pink{background:#fce7f3;color:#db2777}.tool-icon.orange{background:#fff7ed;color:#ea580c}.tool-icon.green{background:#ecfdf5;color:#059669}.tool-icon.purple{background:#f5f3ff;color:#7c3aed}.tool-icon.teal{background:#f0fdfa;color:#0d9488}.tool-card h4{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--color-text)}.tool-card p{font-size:.82rem;color:var(--color-text-secondary);line-height:1.65;margin-bottom:14px}.tool-card-badge{display:inline-block;font-size:.72rem;font-weight:500;color:var(--color-text-muted);background:var(--color-bg);padding:4px 10px;border-radius:6px}.trust-section{padding:48px 0}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.trust-item{text-align:center}.trust-icon{width:48px;height:48px;margin:0 auto 12px;background:var(--color-primary-soft);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}.trust-item h4{font-size:.95rem;font-weight:700;color:var(--color-primary);margin-bottom:4px}.trust-item p{font-size:.82rem;color:var(--color-text-secondary)}.about-section{padding:48px 0}.about-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}.about-text h2{font-size:1.6rem;font-weight:800;color:var(--color-primary);margin-bottom:16px;letter-spacing:-.01em}.about-text p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.85;margin-bottom:14px}.about-list{list-style:none;margin-top:18px}.about-list li{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--color-text);font-weight:500;padding:6px 0}.about-list li:before{content:"";width:18px;height:18px;border-radius:50%;background:var(--color-success);flex-shrink:0;position:relative}.about-list li:after{content:"";position:absolute;left:5px;width:5px;height:9px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg);margin-left:2px}.about-visual{display:flex;justify-content:center}.about-visual-card{background:#fff;border:1px solid var(--color-border);border-radius:20px;padding:40px;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:var(--shadow)}.about-visual-card svg{width:96px;height:96px}.about-visual-card p{font-size:.82rem;color:var(--color-text-secondary);text-align:center;line-height:1.6}.footer{background:#fff;border-top:1px solid var(--color-border);padding:32px 0;text-align:center;color:var(--color-text-secondary);font-size:.82rem;margin-top:auto}.footer-links{list-style:none;display:flex;justify-content:center;gap:20px;margin-bottom:14px;flex-wrap:wrap}.footer-links a{color:var(--color-text-secondary)}.footer-links a:hover{color:var(--color-primary)}.footer .copyright{margin-bottom:4px;font-weight:500;color:var(--color-text)}.footer .disclaimer-foot{font-size:.78rem;color:var(--color-text-muted)}.calc-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.calc-card{background:var(--color-card);border-radius:var(--radius);border:1px solid var(--color-border);padding:28px}.calc-card h2{font-size:1.1rem;font-weight:700;color:var(--color-primary);margin-bottom:20px;display:flex;align-items:center;gap:8px}.calc-card h2:before{content:"";width:4px;height:18px;border-radius:2px;background:var(--color-primary)}.form-group{margin-bottom:18px}.form-group label{display:block;font-weight:600;margin-bottom:8px;font-size:.88rem;color:var(--color-text)}.form-group label .val{color:var(--color-primary);font-weight:700;font-size:.92rem;background:var(--color-primary-soft);padding:2px 10px;border-radius:6px}.form-group input[type=number],.form-group select{width:100%;padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.95rem;font-family:var(--font);background:#fff;color:var(--color-text);transition:border-color .2s ease,box-shadow .2s ease}.form-group input[type=number]:focus,.form-group select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1e3a5f1f}.slider-row{display:flex;align-items:center;gap:12px}.slider-row input[type=range]{flex:1;-webkit-appearance:none;appearance:none;height:6px;background:var(--color-border);border-radius:3px;outline:none;cursor:pointer}.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:3px solid #ffffff;box-shadow:0 2px 6px #1e3a5f4d;transition:transform .15s}.slider-row input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}.slider-row input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:3px solid #ffffff;box-shadow:0 2px 6px #1e3a5f4d}.slider-value{font-size:.92rem;font-weight:700;color:var(--color-primary);background:var(--color-primary-soft);padding:4px 12px;border-radius:6px;min-width:70px;text-align:center;font-variant-numeric:tabular-nums}.radio-group{display:flex;gap:8px;background:var(--color-bg);padding:4px;border-radius:var(--radius-sm)}.radio-group input[type=radio]{display:none}.radio-group label{flex:1;text-align:center;padding:10px 14px;border-radius:8px;cursor:pointer;font-size:.88rem;font-weight:600;color:var(--color-text-secondary);background:transparent;transition:all .2s ease;margin-bottom:0}.radio-group input[type=radio]:checked+label{background:#fff;color:var(--color-primary);box-shadow:var(--shadow-sm)}.calc-actions{margin-top:8px;text-align:center}.result-main{background:linear-gradient(135deg,#1e3a5f,#2563eb);border-radius:16px;padding:28px;color:#fff;margin-bottom:16px;position:relative;overflow:hidden}.result-main:after{content:"";position:absolute;bottom:-40px;right:-40px;width:180px;height:180px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);pointer-events:none}.result-main-label{font-size:.82rem;opacity:.85;margin-bottom:6px;position:relative;z-index:1}.result-main-amount{font-size:2.4rem;font-weight:800;line-height:1.1;margin-bottom:4px;position:relative;z-index:1;letter-spacing:-.01em}.result-main-sub{font-size:.82rem;opacity:.8;position:relative;z-index:1}.result-secondary{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.result-sec-item{background:#fff;border:1px solid var(--color-border);border-radius:12px;padding:16px}.result-sec-item.green{border-color:#bbf7d0;background:#f0fdf4}.result-sec-item.green .sec-icon{background:#bbf7d0;color:#16a34a}.result-sec-item.red{border-color:#fecaca;background:#fef2f2}.result-sec-item.red .sec-icon{background:#fecaca;color:#dc2626}.result-sec-item.blue{border-color:#bfdbfe;background:#eff6ff}.result-sec-item.blue .sec-icon{background:#bfdbfe;color:#2563eb}.result-sec-item.yellow{border-color:#fde68a;background:#fffbeb}.result-sec-item.yellow .sec-icon{background:#fde68a;color:#d97706}.result-sec-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.sec-icon{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700}.result-sec-label{font-size:.78rem;color:var(--color-text-secondary);font-weight:600}.result-sec-value{font-size:1.05rem;font-weight:700;color:var(--color-text);font-variant-numeric:tabular-nums}.chart-row{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--color-border);border-radius:12px;padding:20px}.chart-ring{width:120px;height:120px;flex-shrink:0}.chart-ring circle{fill:none;stroke-width:14;stroke-linecap:round;transition:stroke-dashoffset .6s ease}.chart-center-text{fill:var(--color-text);font-size:11px;font-weight:700;text-anchor:middle;font-family:var(--font)}.chart-center-label{fill:var(--color-text-muted);font-size:8px;font-weight:500;text-anchor:middle;font-family:var(--font)}.chart-legend{display:flex;flex-direction:column;gap:10px}.chart-legend-item{display:flex;align-items:center;justify-content:space-between;gap:10px}.legend-left{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--color-text-secondary)}.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.legend-right{font-size:.85rem;font-weight:700;color:var(--color-text);font-variant-numeric:tabular-nums;text-align:right}.detail-list{list-style:none;padding:0;margin:0 0 16px}.detail-list li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--color-border);font-size:.88rem}.detail-list li:last-child{border-bottom:none}.detail-list .detail-label{color:var(--color-text-secondary)}.detail-list .detail-value{font-weight:500;color:var(--color-text)}.payment-table-wrapper{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff}.payment-table{width:100%;border-collapse:collapse;font-size:.85rem}.payment-table th,.payment-table td{padding:10px 14px;text-align:right;border-bottom:1px solid var(--color-border);font-variant-numeric:tabular-nums}.payment-table th:first-child,.payment-table td:first-child{text-align:center}.payment-table thead th{background:var(--color-bg);font-weight:600;color:var(--color-text-secondary);font-size:.78rem}.payment-table tbody tr:last-child td{border-bottom:none}.payment-table tbody tr:hover{background:var(--color-bg)}.payment-toggle{text-align:center;margin-bottom:16px}.payment-toggle button{background:var(--color-primary-soft);border:none;color:var(--color-primary);padding:10px 22px;border-radius:10px;cursor:pointer;font-family:var(--font);font-size:.9rem;font-weight:600;transition:all .2s ease}.payment-toggle button:hover{background:var(--color-primary);color:#fff}.disclaimer{background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius-sm);padding:16px 20px;margin-top:20px;font-size:.82rem;color:#92400e;line-height:1.7}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.info-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:24px}.info-card h3{font-size:1rem;font-weight:700;margin-bottom:10px;color:var(--color-primary)}.info-card p{font-size:.85rem;color:var(--color-text-secondary);line-height:1.8}.fade-in{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 960px){.hero-inner{grid-template-columns:1fr;gap:32px}.tool-grid{grid-template-columns:repeat(2,1fr)}.tool-card-dark{grid-column:span 2}.calc-layout,.info-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:repeat(2,1fr)}.about-inner{grid-template-columns:1fr}}@media (max-width: 560px){.hero{padding:48px 0 32px}.hero-title{font-size:1.9rem}.tool-grid{grid-template-columns:1fr}.tool-card-dark{grid-column:span 1;padding:28px}.tool-card-dark{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr 1fr}.navbar-inner{height:56px}.navbar-links{gap:16px}.container{padding:0 16px}.result-secondary{grid-template-columns:1fr}.chart-row{grid-template-columns:1fr;text-align:center}.result-main-amount{font-size:1.8rem}.section-title{font-size:1.5rem}}