*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--orange: #F47B20;--orange-light: #FFF3E8;--orange-mid: #FFE0C0;--bg: #FDFAF4;--text-primary: #1A1A1A;--text-secondary: #666;--text-hint: #AAAAAA;--border: #E8E0D5;--green: #2E9E6B;--red: #E04040;--radius: 12px;--radius-sm: 8px}body{font-family:Noto Sans KR,sans-serif;background:var(--bg);color:var(--text-primary);min-height:100vh;padding-bottom:60px}.site-header{background:var(--orange);padding:14px 20px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;color:#fff}.logo-icon{width:38px;height:38px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;box-shadow:0 2px 6px #0000001f}.logo-name{display:block;font-weight:900;font-size:16px;letter-spacing:-.3px}.logo-sub{display:block;font-size:10px;opacity:.85}.ai-wrap{display:flex;align-items:center;gap:8px;background:#ffffff26;border-radius:20px;padding:6px 12px}.ai-wrap>label{color:#fff;font-size:12px;font-weight:500;cursor:pointer}.switch{position:relative;width:38px;height:20px;display:inline-block}.switch input{opacity:0;width:0;height:0;position:absolute}.slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff4d;border-radius:10px;cursor:pointer;transition:background .25s}.slider:before{content:"";position:absolute;width:14px;height:14px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .25s}.switch input:checked+.slider{background:#4caf50}.switch input:checked+.slider:before{transform:translate(18px)}.ai-banner{background:linear-gradient(135deg,#2d5be3,#5b8def);color:#fff;text-align:center;padding:14px 20px;font-size:14px;font-weight:500}.hero{padding:32px 20px 0;max-width:680px;margin:0 auto}.hero h1{font-size:28px;font-weight:700;letter-spacing:-.5px;margin-bottom:14px}.notice{background:#f0faf4;border-left:4px solid #6DC98A;border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 16px}.notice-title{color:#1e7a3e;font-size:13px;font-weight:700;margin-bottom:6px}.notice p{color:#1e7a3e;font-size:13px;line-height:1.7;opacity:.85}.card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:28px 24px;max-width:680px;margin:10px auto 20px;box-shadow:0 2px 16px #0000000a}.section-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}.section-head h2{font-size:17px;font-weight:700}.section-desc{color:var(--text-secondary);font-size:13px;margin-bottom:20px;margin-top:2px}.divider{height:1px;background:var(--border);margin:28px 0}.checkbox-row{display:flex;align-items:center;gap:10px;background:var(--orange-light);border:1px solid var(--orange-mid);border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:18px;cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox-row input{width:18px;height:18px;accent-color:var(--orange);flex-shrink:0}.checkbox-row span{font-size:14px;font-weight:500}.field{margin-bottom:16px}.field-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:7px}.required{color:var(--orange);font-size:12px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.input-wrap{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:#fafafa;overflow:hidden;transition:border-color .15s}.input-wrap:focus-within{border-color:var(--orange);background:#fff}.input-wrap.disabled{opacity:.35}.input-wrap input{flex:1;border:none;background:transparent;padding:13px 14px;font-size:15px;font-family:Noto Sans KR,sans-serif;color:var(--text-primary);outline:none}.input-wrap input::placeholder{color:var(--text-hint)}.input-wrap input:disabled{cursor:not-allowed}.input-unit{padding:0 14px;font-size:13px;color:var(--text-secondary);font-weight:500;border-left:1px solid var(--border);background:#f5f3ef;display:flex;align-items:center;min-height:48px}.calc-btn{width:100%;padding:17px;background:var(--orange);color:#fff;border:none;border-radius:var(--radius-sm);font-size:17px;font-weight:700;font-family:Noto Sans KR,sans-serif;cursor:pointer;letter-spacing:-.3px;margin-top:8px;transition:background .15s,transform .1s}.calc-btn:hover{background:#e06a10}.calc-btn:active{transform:scale(.99)}.result-card{background:#fff;border-radius:var(--radius);border:2px solid var(--orange);padding:28px 24px;max-width:680px;margin:0 auto 20px;box-shadow:0 4px 20px #f47b201f;animation:slideUp .35s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.result-header{text-align:center;margin-bottom:24px}.result-header h3{font-size:16px;color:var(--text-secondary);font-weight:500;margin-bottom:6px}.result-main{font-size:38px;font-weight:900;letter-spacing:-1px;line-height:1}.result-main.positive{color:var(--orange)}.result-main.negative{color:var(--red)}.result-badge{display:inline-block;margin-top:10px;padding:4px 14px;border-radius:20px;font-size:13px;font-weight:700}.result-badge.positive{background:var(--orange-light);color:var(--orange)}.result-badge.negative{background:#fff0f0;color:var(--red)}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.result-item{background:var(--bg);border-radius:var(--radius-sm);padding:14px;border:1px solid var(--border)}.r-label{font-size:11px;color:var(--text-hint);margin-bottom:4px}.r-value{font-size:17px;font-weight:700}.r-value.orange{color:var(--orange)}.r-value.green{color:var(--green)}.r-value.red{color:var(--red)}.bar-title{font-size:14px;font-weight:700;margin-bottom:12px}.bar-row{margin-bottom:10px}.bar-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary);margin-bottom:4px}.bar-bg{height:10px;background:#f0ede8;border-radius:5px;overflow:hidden}.bar-fill{height:100%;border-radius:5px;transition:width .6s ease}.calc-table{margin-top:24px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.calc-row{display:flex;justify-content:space-between;align-items:center;padding:13px 18px;border-bottom:1px solid #F5F0E8;font-size:14px}.calc-row:last-child{border-bottom:none}.calc-row.sub{background:#fafaf7;padding-left:28px;font-size:13px}.calc-row.subtotal{background:#fff8f2;font-weight:600}.calc-row.final{background:#fff;font-weight:700;font-size:15px;padding:16px 18px}.calc-row.total-cost-row{border-bottom:none}.calc-label{color:var(--text-secondary)}.calc-row.subtotal .calc-label,.calc-row.final .calc-label{color:var(--text-primary)}.calc-value{font-weight:600;color:var(--text-primary);text-align:right}.calc-value.orange{color:var(--orange)}.calc-value.green{color:var(--green)}.calc-value.red{color:var(--red)}.calc-value.final-val{font-size:18px;font-weight:900}.calc-divider-line{height:1px;background:var(--border)}.calc-divider-line.thick{height:2px;background:var(--orange);opacity:.3}footer{text-align:center;padding:20px;color:var(--text-hint);font-size:12px;line-height:1.8;max-width:680px;margin:0 auto}@media (max-width: 480px){.field-row{grid-template-columns:1fr}.hero h1{font-size:24px}.result-main{font-size:30px}}