:root{--primary:#1e3a8a;--primary-light:#2563eb;--primary-dark:#10233f;--primary-bg:#eff6ff;--accent:#b45309;--border:#dce4ee;--text:#334155;--muted:#64748b;--background:#f8fafc;--radius:16px;--shadow:0 4px 18px #19354d07}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;word-break:keep-all;overflow-wrap:break-word}
html{scroll-behavior:smooth;scroll-padding-top:90px}body{font-family:"Pretendard","Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;color:var(--text);background:var(--background);font-size:16px;line-height:1.75}a{color:var(--primary);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}button:focus-visible,a:focus-visible{outline:3px solid var(--primary-light);outline-offset:4px}[hidden]{display:none!important}.icon{width:24px;height:24px;display:inline-block;flex-shrink:0;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;top:-70px;left:12px;z-index:300;background:white;padding:12px 20px;border:2px solid var(--primary)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:100;background:#ffffffed;border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.header-inner{max-width:1420px;min-height:72px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;text-decoration:none;color:var(--primary-dark);font-size:19px;font-weight:800;flex-shrink:0}.logo-mark{background:var(--primary-dark);color:white;border-radius:11px;width:38px;height:38px;display:grid;place-items:center}.main-nav{display:flex;gap:4px;align-items:center;flex-wrap:nowrap}.nav-link{white-space:nowrap;flex-shrink:0;font-size:14px;font-weight:700;text-decoration:none;padding:9px 12px;border-radius:8px;color:#475569}.nav-link:hover,.nav-link[aria-current=page]{background:var(--primary-bg);color:var(--primary)}.mobile-menu-btn{display:none;align-items:center;justify-content:center;background:white;border:1px solid var(--border);border-radius:8px;width:44px;height:44px}.mobile-nav{padding:12px 20px;border-top:1px solid var(--border);background:white;max-height:70vh;overflow-y:auto}.mobile-nav a{display:block;padding:10px;text-decoration:none;font-weight:700}.container,.calc-single-column-container{width:100%;max-width:820px;margin:0 auto;padding:0 24px}.calc-single-column-container{display:flex;flex-direction:column;gap:24px}.breadcrumbs{margin:25px 0 18px;font-size:13px;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted)}.breadcrumbs a{text-decoration:none}.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.11em;font-size:12px;font-weight:800;color:var(--primary);margin-bottom:12px}.eyebrow::before{content:"";display:block;width:7px;height:7px;border-radius:50%;background:var(--primary-light)}.hero{padding:22px 0 0}.hero-title{font-size:38px;font-weight:800;line-height:1.35;letter-spacing:-.045em;color:var(--primary-dark)}.hero-title-line{display:inline-block;white-space:nowrap}.hero-title .accent-text{color:var(--primary-light)}.hero-description{font-size:16px;color:#526277;margin-top:16px;max-width:660px}.hero-meta{font-size:12px;color:var(--muted);margin-top:12px}.geo-summary-box{background:#eef7ff;border:1px solid #bfd9f5;border-left:4px solid var(--primary-light);border-radius:12px;padding:18px 22px;margin:24px 0 0}.summary-header{display:flex;align-items:center;gap:9px;color:var(--primary);font-size:14px;margin-bottom:7px}.summary-list{list-style:none;display:flex;flex-direction:column;gap:4px}.summary-list li{font-size:14px;line-height:1.7;padding-left:13px;position:relative}.summary-list li::before{content:"•";position:absolute;left:0;color:var(--primary-light)}.ad-placement{width:100%;max-width:820px;margin:28px auto;padding:14px 12px;text-align:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}.ad-caption{font-size:11px;letter-spacing:.12em;color:#94a3b8;margin-bottom:8px}.ad-placement ins.adsbygoogle{display:block}.section{margin:38px 0}.section-heading{margin-bottom:18px}.section-label{font-size:12px;letter-spacing:.08em;font-weight:800;color:var(--primary);margin-bottom:4px}.section h2,.section-heading h2{font-size:25px;font-weight:800;letter-spacing:-.035em;color:var(--primary-dark);line-height:1.4;margin-bottom:7px}.section-heading p{font-size:14px;color:var(--muted)}.card,.calc-form-card,.calc-result-card{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin:18px 0}.card h2,.card h3{color:var(--primary-dark);line-height:1.45}.card h3{font-size:20px;margin-bottom:9px}.card--calc{border-top:5px solid var(--primary-light)}.card--diagnose{border-top:5px solid #7c3aed}.card--consumable{border-top:5px solid #0d9488}.card--guide{border-top:5px solid #475569}.hub-card{display:flex;align-items:center;gap:18px;background:white;border:1px solid var(--border);border-left:5px solid var(--primary-light);border-radius:14px;padding:22px 24px;margin:14px 0;box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:transform .18s,box-shadow .18s}.hub-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #19354d12}.hub-icon{width:48px;height:48px;flex:0 0 48px;border-radius:12px;background:var(--primary-bg);color:var(--primary-light);display:grid;place-items:center}.hub-card h3{font-size:19px;font-weight:800;color:var(--primary-dark);margin-bottom:5px}.hub-card p{font-size:14px;color:var(--muted)}.hub-card .arrow{margin-left:auto;flex-shrink:0;color:var(--primary-light)}.hub-card--purple{border-left-color:#7c3aed}.hub-card--purple .hub-icon{background:#f3e8ff;color:#7c3aed}.hub-card--teal{border-left-color:#0d9488}.hub-card--teal .hub-icon{background:#ecfdf5;color:#0d9488}.document-links{display:flex;flex-direction:column;gap:10px;margin-top:16px}.text-link{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:60px;padding:14px 18px;border:1px solid #c5d7f0;border-left:4px solid var(--primary-light);border-radius:12px;background:var(--primary-bg);color:var(--primary-dark);font-size:15px;font-weight:750;line-height:1.65;text-decoration:none;white-space:normal}.document-link-label{flex:1;min-width:0;overflow-wrap:anywhere}.document-link-arrow{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--primary);color:white}.text-link:hover,.text-link:focus-visible{background:#dbeafe;border-color:var(--primary)}.text-link:hover .document-link-label,.text-link:focus-visible .document-link-label{text-decoration:underline}.search-card{padding:26px;background:white;border:1px solid #bfcef0;border-top:5px solid var(--primary-light);border-radius:16px;box-shadow:0 8px 28px #19354d0b}.search-card h2{font-size:21px;color:var(--primary-dark);margin-bottom:15px}.search-row{display:flex;gap:10px;align-items:stretch}.search-row input{min-width:0;flex:1}.search-row .button{flex-shrink:0}.search-hint{font-size:13px;margin-top:12px;color:var(--muted)}label,.field-label{display:block;font-size:15px;font-weight:700;color:var(--primary-dark);margin-bottom:8px}input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;min-height:50px;padding:12px 14px;border:2px solid #cbd5e1;border-radius:10px;background:white;color:var(--primary-dark)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px #2563eb26}.field{margin:19px 0}.field small{display:block;color:var(--muted);font-size:13px;margin-top:6px}.button,.btn-view-result,.btn-share-url{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:10px;padding:12px 20px;background:var(--primary);color:white;font-size:15px;font-weight:750;text-decoration:none;line-height:1.5}.button:hover{background:#152d70}.button.secondary{border:1px solid var(--border);background:white;color:var(--primary);box-shadow:none}.button.secondary:hover{background:var(--primary-bg)}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.btn-view-result{width:100%;background:linear-gradient(120deg,#1e3a8a,#2563eb);font-size:17px;padding:17px 20px}.result-action-box{border-top:1px dashed #b5c5db;padding-top:22px}.result-action-tip{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:10px}.result-column-wrapper{scroll-margin-top:90px;margin:28px 0}.mobile-result-divider{font-size:12px;text-align:center;letter-spacing:.1em;color:var(--muted);padding:10px}.result-section-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;background:var(--primary-dark);color:white;border-radius:13px;border-left:5px solid #eab558}.result-section-header h2{font-size:20px;color:white;margin:0}.result-header-badge{font-size:12px;color:#b6d5ff}.result-card{border-top:5px solid var(--primary-light)}.result-number{font-size:38px;font-weight:800;letter-spacing:-.04em;color:var(--primary);line-height:1.3;margin:12px 0 4px}.result-label{font-size:14px;color:var(--muted)}.share-banner-box{border:1px dashed #e7b97a;border-radius:12px;padding:18px;background:#fff8ee;margin:16px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}.share-banner-box strong{font-size:15px;color:#92400e}.share-banner-box p{font-size:13px;color:#975b25}.btn-share-url{background:#b45309;font-size:13px}.notice-box{padding:18px 20px;border-radius:12px;border:1px solid #f3d094;border-left:4px solid #d97706;background:#fffbeb;margin:18px 0;font-size:14px}.notice-box strong{display:block;color:#92400e;margin-bottom:4px}.notice-box.success{border-color:#a7dfc6;border-left-color:#059669;background:#ecfdf5}.notice-box.success strong{color:#047857}.notice-box.error{border-color:#fecaca;border-left-color:#dc2626;background:#fff1f2}.notice-box.error strong{color:#b91c1c}.official-links{margin:20px 0}.official-link{background:white;padding:20px;border:1px solid var(--border);border-radius:12px;margin:12px 0}.official-link strong{color:var(--primary-dark)}.official-url{display:block;font-size:12px;color:var(--muted);overflow-wrap:anywhere;margin-top:4px}.official-link .button{font-size:13px;min-height:44px}.toc{margin:24px 0;background:white;border:1px solid var(--border);border-radius:12px;padding:20px 24px}.toc strong{display:block;font-size:15px;color:var(--primary-dark)}.toc ol{display:flex;flex-direction:column;flex-wrap:nowrap;align-items:stretch;margin:12px 0 0;padding-left:1.6em;list-style:decimal outside}.toc li{min-width:0;padding-left:4px;border-bottom:1px solid var(--border)}.toc li:last-child{border:0}.toc li::marker{color:var(--primary);font-weight:700}.toc a{display:block;min-height:44px;padding:10px 8px;border-radius:6px;font-size:15px;font-weight:600;line-height:1.65;text-decoration:none;white-space:normal;overflow-wrap:anywhere}.toc a:hover,.toc a:focus-visible{background:var(--primary-bg);text-decoration:underline}.procedure-step-card{border-left:4px solid var(--primary-light);padding:20px 22px;margin:14px 0;background:white;border-radius:12px;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.step-label{font-size:12px;font-weight:800;color:var(--primary-light);letter-spacing:.1em}.procedure-step-card p{margin-top:7px}.table-wrap{overflow-x:auto;max-width:100%;margin:14px 0;border:1px solid var(--border);border-radius:12px}table{width:100%;border-collapse:collapse;background:white;font-size:14px}th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--primary-dark);background:#f1f5fa;font-weight:750}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}.spec-table th{width:36%}.badge{display:inline-block;padding:3px 9px;border-radius:6px;background:var(--primary-bg);color:var(--primary);font-size:12px;font-weight:700}.badge.muted{background:#f1f5f9;color:#526277}.badge.verified{background:#e7f8ef;color:#047857}.brand-options,.quick-adjust-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.brand-options a,.brand-options button,.quick-adjust-chips button{border:1px solid var(--border);border-radius:9px;padding:8px 14px;background:white;color:var(--primary-dark);text-decoration:none;font-size:14px;font-weight:700;min-height:44px}.brand-options a:hover,.brand-options button[aria-pressed=true]{background:var(--primary-dark);color:white;border-color:var(--primary-dark)}.model-list{display:flex;flex-direction:column;gap:10px}.model-item{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--border);border-radius:12px;background:white;padding:17px 20px;text-decoration:none;min-height:64px}.model-item strong{font-size:16px;color:var(--primary-dark);display:block}.model-item small{display:block;font-size:12px;color:var(--muted)}.model-item:hover{border-color:#82a7db;background:#f4f8ff}.model-item .icon{color:var(--primary-light)}.results-status{font-size:14px;color:var(--muted);margin:14px 0}.empty-state{padding:26px;background:#f1f5f9;border-radius:12px;text-align:center}.faq details{border-bottom:1px solid var(--border);padding:16px 0}.faq summary{cursor:pointer;font-weight:750;color:var(--primary-dark)}.faq details p{font-size:14px;padding-top:10px}.references{font-size:13px;color:var(--muted);border-top:1px solid var(--border);padding-top:24px;margin-top:28px}.references h2{font-size:17px!important}.references ul{padding-left:20px;margin-top:12px}.references a{overflow-wrap:anywhere}.related-nexus-section{margin:32px 0 48px}.related-nexus-section h2{font-size:24px;color:var(--primary-dark)}.nexus-badge{font-size:12px;color:var(--primary);font-weight:800}.related-nexus-section>p{font-size:14px;color:var(--muted);margin-top:6px}.sticky-progress-card{position:sticky;top:80px;z-index:85;background:var(--primary-dark);color:white;border-radius:12px;padding:16px 20px;margin:24px 0;box-shadow:var(--shadow)}progress{width:100%;height:9px;accent-color:#60a5fa;display:block;margin-top:10px}.check-item{display:flex;gap:12px;align-items:flex-start;font-weight:500;padding:15px 0;border-bottom:1px solid var(--border);cursor:pointer}.check-item input{width:20px;height:20px;margin-top:5px;flex-shrink:0;accent-color:var(--primary-light)}.check-item:last-child{border-bottom:0}.input-with-unit{position:relative}.input-with-unit input{padding-right:56px!important}.input-unit{position:absolute;right:16px;top:12px;color:var(--muted)}.korean-currency-badge{display:block;font-size:13px;color:#1e40af;margin-top:6px}.price-breakdown{list-style:none;margin-top:16px}.price-breakdown li{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.affiliate-disclosure{color:#8a4c16;background:#fff7ed;border:1px solid #fed7aa;padding:14px 18px;border-radius:10px;font-size:13px;margin:16px 0}.product-card{background:white;border:1px solid var(--border);border-radius:12px;padding:20px;margin:14px 0}.product-card img{max-width:120px;height:auto;display:block;margin:0 0 16px}.product-card h3{font-size:17px}.product-price{font-size:24px;font-weight:800;color:var(--primary);margin:10px 0}.prose p{margin:12px 0}.prose ul{margin:12px 0;padding-left:22px}.site-footer{background:white;border-top:1px solid var(--border);margin-top:48px;padding:34px 0}.footer-logo{font-size:17px;font-weight:800;color:var(--primary-dark);margin-bottom:10px}.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin:18px 0}.footer-links a{font-size:13px;color:var(--muted);text-decoration:none}.footer-admin-bar{border-top:1px solid var(--border);padding-top:18px;color:var(--muted);font-size:12px;line-height:1.9}.footer-admin-bar a{color:var(--muted)}.footer-copy{font-size:11px;color:#8290a3;margin-top:12px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:250;background:var(--primary-dark);color:white;padding:13px 20px;border-radius:12px;box-shadow:0 8px 28px #10233f33;font-size:14px;max-width:calc(100% - 32px);text-align:center}.highlight-pulse{animation:pulse 1.2s ease-out}@keyframes pulse{0%,100%{box-shadow:var(--shadow)}50%{box-shadow:0 0 0 5px #2563eb35}}
@media(max-width:1060px){.main-nav{display:none}.mobile-menu-btn{display:flex}.header-inner{padding:0 20px}}
@media(max-width:540px){.container,.calc-single-column-container{padding:0 18px}.header-inner{min-height:66px;padding:0 16px}.site-logo{font-size:16px}.logo-mark{width:34px;height:34px}.hero{padding-top:12px}.hero-title{font-size:28px}.hero-title-line{display:block;white-space:nowrap}.hero-description{font-size:15px}.card,.calc-form-card,.calc-result-card,.search-card{padding:20px 18px}.hub-card{padding:18px 16px;gap:13px}.hub-card h3{font-size:18px}.hub-icon{width:42px;height:42px;flex-basis:42px}.hub-card p{font-size:13px}.section h2,.section-heading h2{font-size:23px}.geo-summary-box{padding:16px 18px}.ad-placement{margin:20px auto;padding:10px 8px}.search-row{flex-direction:column}.search-row .button{width:100%}.result-section-header{padding:16px 18px;flex-wrap:wrap}.result-section-header h2{font-size:19px}.text-link{padding:13px 14px;gap:12px}.toc{padding:18px}.result-number{font-size:34px}.sticky-progress-card{top:74px;padding:12px 16px}.model-item{padding:15px 16px}th,td{padding:11px 12px}.section{margin:32px 0}}
@media(max-width:350px){.hero-title{font-size:26px}.site-logo{font-size:15px}.brand-options a,.brand-options button{padding:8px 11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.ad-placement,.official-links,.share-banner-box,.button-row,.toast,.related-nexus-section{display:none}body{background:white}.container{max-width:100%;padding:0}.card{box-shadow:none;break-inside:avoid}.sticky-progress-card{position:static}}
/* Persistent affiliate links: one-column cards and a visible opening disclosure. */
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:7px 10px;list-style:none;margin:0;padding:0;font-size:13px;line-height:1.6}
.breadcrumbs li{display:inline;overflow-wrap:anywhere}
.breadcrumbs li+li::before{content:"/";display:inline;margin-right:10px;color:#64748b}
.direct-question{font-size:15px;font-weight:700;color:#334155;margin:14px 0 7px;line-height:1.6}
.document-meta{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:#475569;margin-top:12px}
.document-meta a{color:#475569;text-decoration:underline;text-underline-offset:3px}
.affiliate-disclosure-top{margin:12px 0 22px;padding:18px 20px;border:2px solid #b94714;border-radius:14px;background:#fff6eb;color:#52260f;font-size:16px;line-height:1.7}
.affiliate-disclosure-top strong{display:block;font-size:17px;color:#8e3210;margin-bottom:4px}
.affiliate-disclosure-top p{margin:0;color:inherit;font-size:inherit}
.affiliate-panel{margin:28px 0 32px;border:2px solid #e7ab82;border-radius:20px;padding:24px;background:linear-gradient(160deg,#fff4e6 0%,#fffaf6 65%,#ffffff 100%)}
.affiliate-eyebrow{margin:0 0 7px;color:#943a17;font-size:12px;font-weight:800;letter-spacing:.08em}
.affiliate-panel-heading h2{margin:0 0 10px;font-size:25px;line-height:1.4;color:#54270f}
.affiliate-panel-heading>p:last-child{margin:0 0 20px;color:#654b39;line-height:1.7}
.affiliate-cards{display:flex;flex-direction:column;gap:16px}
.affiliate-card{padding:20px;border:1px solid #edc8ac;border-radius:14px;background:#fff;box-shadow:0 4px 16px rgba(125,61,21,.05);min-width:0}
.affiliate-card-heading{display:flex;align-items:center;gap:13px}
.affiliate-shop-icon{display:flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:#fff0df;color:#a64014}
.affiliate-shop-icon .icon{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.affiliate-card-label{display:block;font-size:12px;font-weight:700;color:#9a411a;margin-bottom:3px}
.affiliate-card-heading h3{margin:0;font-size:19px;line-height:1.4;overflow-wrap:anywhere;color:#362519}
.affiliate-card-hint{margin:12px 0 16px;color:#67574b;font-size:14px;line-height:1.7}
.affiliate-product{margin-top:16px;padding-top:16px;border-top:1px solid #f1e5dc}
.affiliate-product-name{margin:0 0 12px;font-size:16px;font-weight:600;line-height:1.6;color:#362519;overflow-wrap:anywhere}
.affiliate-buy-link{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:50px;padding:13px 17px;background:#b94714;border:2px solid #b94714;border-radius:10px;color:#fff;font-size:16px;font-weight:800;line-height:1.5;text-decoration:none;overflow-wrap:anywhere}
.affiliate-buy-link:hover{background:#96370f;border-color:#96370f;color:#fff;text-decoration:none}
.affiliate-buy-link:focus-visible,.affiliate-search-link:focus-visible{outline:3px solid #1367b4;outline-offset:4px}
.affiliate-buy-link>span:last-child{flex-shrink:0}
.affiliate-search-link{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding:11px 2px;color:#96370f;font-size:14px;font-weight:700;line-height:1.6;text-decoration:underline;text-underline-offset:4px}
.affiliate-search-link:hover{color:#682608}
@media(max-width:540px){.affiliate-disclosure-top{padding:15px 16px}.affiliate-panel{padding:18px 14px;border-radius:16px}.affiliate-panel-heading h2{font-size:22px}.affiliate-card{padding:17px 14px}.affiliate-card-heading h3{font-size:18px}.affiliate-buy-link{padding:12px 13px;font-size:15px}}
@media print{.affiliate-panel{background:#fff;box-shadow:none}.affiliate-card{box-shadow:none;break-inside:avoid}.affiliate-buy-link{background:#fff;color:#8e3210}}