*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#f59e0b;--text:#1e293b;--text-light:#64748b;--bg:#f8fafc;--white:#fff;--border:#e2e8f0;--radius:12px;--shadow:0 2px 12px #00000014;--shadow-hover:0 8px 24px #2563eb26}body{background:var(--bg);color:var(--text);flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;display:flex}a{color:inherit;text-decoration:none}header{background:var(--primary);padding:20px 0;box-shadow:0 2px 8px #00000026}.logo{color:#fff;letter-spacing:-.5px;font-size:1.8rem;font-weight:800}.logo span{color:var(--accent)}.tagline{color:#fffc;margin-top:2px;font-size:.9rem}footer{background:var(--text);color:#fff9;margin-top:auto;padding:32px 0;font-size:.875rem}footer .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}footer nav{gap:20px;display:flex}footer a{color:#fff9}footer a:hover{color:#fff}.container{max-width:1100px;margin:0 auto;padding:0 20px}main{flex:1}.ad-banner{background:var(--border);border-radius:var(--radius);min-height:90px;color:var(--text-light);justify-content:center;align-items:center;margin:24px 0;font-size:.8rem;display:flex}.hero{text-align:center;padding:48px 0 32px}.hero h1{margin-bottom:12px;font-size:2.2rem;font-weight:800}.hero p{color:var(--text-light);font-size:1.1rem}.category{margin-bottom:48px}.category h2{border-bottom:2px solid var(--border);margin-bottom:20px;padding-bottom:10px;font-size:1.3rem;font-weight:700}.cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;display:grid}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:24px;transition:transform .2s,box-shadow .2s,border-color .2s;display:block}.card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary);transform:translateY(-3px)}.card-icon{margin-bottom:12px;font-size:2rem}.card h3{margin-bottom:8px;font-size:1rem;font-weight:700}.card p{color:var(--text-light);font-size:.875rem;line-height:1.5}.tag{color:#92400e;text-transform:uppercase;letter-spacing:.5px;background:#fef3c7;border-radius:99px;margin-top:10px;padding:2px 8px;font-size:.7rem;font-weight:700;display:inline-block}.calc-page{padding:40px 0 80px}.breadcrumb{color:var(--text-light);margin-bottom:24px;font-size:.875rem}.breadcrumb a{color:var(--primary)}.breadcrumb a:hover{text-decoration:underline}.calc-page h1{margin-bottom:8px;font-size:1.9rem;font-weight:800}.subtitle{color:var(--text-light);margin-bottom:36px;font-size:1rem}.calc-layout{grid-template-columns:1fr 1fr;align-items:start;gap:32px;display:grid}.calc-form{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.form-group{margin-bottom:20px}.form-group label{margin-bottom:6px;font-size:.9rem;font-weight:600;display:block}.form-group input,.form-group select{border:1.5px solid var(--border);width:100%;color:var(--text);background:var(--white);border-radius:8px;outline:none;padding:12px 14px;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.hint{color:var(--text-light);margin-top:4px;font-size:.78rem}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:8px;padding:14px;font-size:1rem;font-weight:700;transition:background .2s,transform .1s}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.calc-results{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.results-placeholder{text-align:center;color:var(--text-light);padding:40px 0}.results-placeholder .icon{margin-bottom:12px;font-size:3rem}.result-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;display:grid}.result-item{background:var(--bg);text-align:center;border-radius:8px;padding:16px}.result-item.highlight{background:var(--primary);color:#fff;grid-column:span 2}.result-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-light);margin-bottom:4px;font-size:.78rem;font-weight:600}.result-item.highlight .result-label{color:#fffc}.result-value{color:var(--text);font-size:1.6rem;font-weight:800}.result-item.highlight .result-value{color:#fff;font-size:2rem}.table-wrap{border:1px solid var(--border);border-radius:8px;max-height:340px;margin-top:24px;overflow:auto}table{border-collapse:collapse;width:100%;font-size:.875rem}th{background:var(--text);color:#fff;text-align:left;padding:10px 14px;font-weight:600;position:sticky;top:0}td{border-bottom:1px solid var(--border);padding:9px 14px}tr:nth-child(2n) td{background:var(--bg)}tr:last-child td{border-bottom:none}.info-box{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;margin-top:20px;padding:16px;font-size:.875rem}.intro-text{color:var(--text-light);max-width:760px;margin-bottom:32px;font-size:.95rem;line-height:1.8}.faq{margin-top:48px}.faq h2{border-bottom:2px solid var(--border);margin-bottom:20px;padding-bottom:10px;font-size:1.3rem;font-weight:700}details{border:1px solid var(--border);background:var(--white);border-radius:8px;margin-bottom:10px;overflow:hidden}details[open]{border-color:var(--primary)}summary{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:16px 20px;font-size:.95rem;font-weight:600;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--primary);flex-shrink:0;font-size:1.3rem;font-weight:400;transition:transform .2s}details[open] summary:after{content:"−"}.faq-answer{color:var(--text-light);padding:0 20px 16px;font-size:.9rem;line-height:1.7}.legal-content h2{color:var(--text);margin:28px 0 10px;font-size:1.1rem;font-weight:700}.legal-content p{color:var(--text-light);margin-bottom:12px;line-height:1.7}.legal-content ul{color:var(--text-light);margin:8px 0 16px 20px;line-height:1.8}.legal-content a{color:var(--primary)}.legal-content a:hover{text-decoration:underline}.related{margin-top:56px}.related h2{border-bottom:2px solid var(--border);margin-bottom:20px;padding-bottom:10px;font-size:1.3rem;font-weight:700}@media (max-width:768px){.calc-layout{grid-template-columns:1fr}.hero h1{font-size:1.6rem}.result-grid{grid-template-columns:1fr}.result-item.highlight{grid-column:span 1}}