/* PAY CHINA GUIDE — shared single-column reading and tool system. */
.tool-form fieldset{min-width:0;border:0;padding:0;margin:0}
#manual-copy label{display:block;font-weight:700;margin-bottom:8px}#manual-copy textarea{width:100%;min-height:120px;border:2px solid var(--control-border);border-radius:8px;padding:12px;font-size:16px;background:#fff;color:var(--text-main)}
.flow-image{display:block;margin:0 auto 24px;max-width:360px;width:100%;height:auto}
details>summary{min-height:44px;padding:8px 0;cursor:pointer;font-weight:700}
:root{--primary:#1e3a8a;--primary-light:#2563eb;--primary-dark:#10254c;--primary-bg:#eff6ff;--text-main:#0f172a;--text-sub:#334155;--text-muted:#52647a;--bg-main:#f5f7fb;--bg-card:#fff;--accent-light:#f59e0b;--border-color:#dce3ed;--control-border:#64748b;--success-bg:#ecfdf5;--success:#065f46;--warning-bg:#fffbeb;--warning:#92400e;--danger-bg:#fef2f2;--danger:#991b1b;--shadow:0 2px 6px rgba(15,23,42,.04);--radius:18px;--page-width:800px;--header-offset:150px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-offset)}body{margin:0;color:var(--text-main);background:var(--bg-main);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;font-size:16px;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}button,input,select,textarea{font:inherit}a{color:var(--primary);text-underline-offset:4px}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b45309;outline-offset:4px}h1,h2,h3,p,ul,ol,figure{margin-top:0}h1,h2,h3{line-height:1.4;letter-spacing:-.04em}h1{font-size:38px;font-weight:800;margin-bottom:20px}h2{font-size:26px;font-weight:800;margin-bottom:16px}h3{font-size:20px;font-weight:750;margin-bottom:12px}p{margin-bottom:20px}li+li{margin-top:10px}img,svg{max-width:100%;vertical-align:middle}img{height:auto}section,[id]{scroll-margin-top:var(--header-offset)}[hidden]{display:none!important}.container{width:min(var(--page-width),calc(100% - 40px));margin-inline:auto;min-width:0}.skip-link{position:fixed;top:-200px;left:16px;z-index:1000;background:#fff;padding:12px 20px;border:2px solid var(--primary);border-radius:8px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.utility-bar{background:var(--primary-dark);color:#dce8ff;text-align:center;font-size:12px;letter-spacing:.04em;padding:7px 20px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.98);border-bottom:1px solid var(--border-color)}.header-inner{min-height:76px;display:flex;align-items:center;gap:12px;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--text-main);min-width:0;line-height:1.3}.brand-mark{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800;flex-shrink:0}.brand-en{display:block;font-size:17px;font-weight:850;letter-spacing:.045em;white-space:nowrap}.brand-ko{display:block;font-size:11px;color:var(--text-muted);letter-spacing:.08em;margin-top:4px}.header-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}.icon-button{width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-color);border-radius:10px;background:#fff;color:var(--text-main);text-decoration:none}.main-nav{border-top:1px solid #edf1f6}.nav-inner{display:flex;justify-content:space-between;gap:12px}.main-nav a{display:block;padding:11px 0;font-size:14px;color:var(--text-sub);text-decoration:none;font-weight:700;border-bottom:3px solid transparent}.main-nav a[aria-current=page]{color:var(--primary);border-color:var(--primary-light)}.menu-toggle{display:none}.hero{background:#fff;border-bottom:1px solid var(--border-color);position:relative}.hero-inner{padding-block:48px 40px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px;margin-bottom:20px}.eyebrow:before{content:"";width:24px;height:3px;background:var(--accent-light)}.hero h1{font-size:40px;max-width:670px;margin-bottom:20px}.hero h1 em{font-style:normal;color:var(--primary-light)}.hero-copy{font-size:17px;color:var(--text-sub);max-width:640px;margin-bottom:26px}.hero-note{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--text-muted);font-size:13px;border-top:1px solid var(--border-color);padding-top:20px;margin-top:28px}.hero-note span{display:flex;align-items:center;gap:6px}.hero-note span:before{content:"✓";color:var(--primary);font-weight:800}.search-form{margin-block:24px}.search-input-group{display:flex;gap:8px;background:#fff;border:2px solid var(--primary);padding:6px;border-radius:14px}.search-input-group input{border:0;border-radius:8px;min-width:0;flex:1;padding:9px 12px;font-size:16px;min-height:48px;color:var(--text-main);background:#fff}.search-input-group button{background:var(--primary);border:0;color:#fff;min-height:48px;min-width:64px;padding:8px 18px;border-radius:9px;font-weight:750}.search-hint{color:var(--text-muted);font-size:13px;margin-top:10px}.page-main{padding-block:36px 64px}.section{margin-bottom:40px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}.section-heading h2{margin:0}.section-count{font-size:12px;color:var(--text-muted);white-space:nowrap}.section-intro{color:var(--text-sub);margin-bottom:20px}.stack{display:flex;flex-direction:column;gap:16px}.card,.content-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.link-card{display:flex;align-items:center;gap:18px;text-decoration:none;color:var(--text-main);background:#fff;border:1px solid var(--border-color);border-radius:16px;padding:22px 24px;box-shadow:var(--shadow);min-width:0}.link-card .link-text{min-width:0;flex:1}.link-card h2,.link-card h3{margin:0 0 7px;font-size:20px;letter-spacing:-.025em}.link-card p{margin:0;font-size:14px;line-height:1.7;color:var(--text-muted)}.link-card .arrow{color:var(--primary);font-size:22px;flex-shrink:0}.feature-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:13px;font-weight:800;font-size:15px;flex-shrink:0;color:var(--primary);background:var(--primary-bg)}.role-prepare .feature-icon{background:#eff6ff;color:#1e3a8a}.role-pay .feature-icon{background:#f2efff;color:#55319a}.role-solve .feature-icon{background:#eaf6f7;color:#145d66}.quick-links{margin-top:20px}.quick-links .link-card{border-left:4px solid var(--primary-light)}.text-link{display:inline-block;min-height:44px;padding:9px 0;font-weight:700}.category-label{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:.04em;margin-bottom:6px}.article-list{margin:0;padding:0;list-style:none}.article-list>li{margin:0}.article-list>li+li{border-top:1px solid var(--border-color)}.article-list a{display:flex;gap:16px;padding:18px 0;text-decoration:none;color:var(--text-main);align-items:baseline;justify-content:space-between;min-height:48px}.article-list a span:last-child{color:var(--primary);flex-shrink:0}.article-list small{color:var(--text-muted);font-size:13px;display:block;font-weight:400}.article-list strong{font-size:16px;font-weight:700}.number{color:var(--primary);font-size:13px;letter-spacing:.08em;font-weight:800;margin-bottom:10px}.notice{padding:18px 20px;border-radius:12px;background:var(--primary-bg);color:var(--primary);border-left:4px solid var(--primary-light);margin-block:20px}.notice p:last-child{margin-bottom:0}.notice-warning{background:var(--warning-bg);color:var(--warning);border-color:var(--accent-light)}.notice-error{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.notice-success{background:var(--success-bg);color:var(--success);border-color:var(--success)}.badge{display:inline-block;border:1px solid #c9d8f2;background:var(--primary-bg);color:var(--primary);padding:3px 9px;border-radius:6px;font-size:12px;font-weight:700;line-height:1.6}.badge-warning{color:var(--warning);background:var(--warning-bg);border-color:#e6c780}.metadata{display:flex;flex-wrap:wrap;gap:8px 16px;color:var(--text-muted);font-size:13px;align-items:center;margin-block:20px}.breadcrumbs{font-size:13px;color:var(--text-muted);margin-bottom:24px}.breadcrumbs ol{display:flex;gap:7px;flex-wrap:wrap;list-style:none;padding:0;margin:0}.breadcrumbs li{margin:0}.breadcrumbs li+li:before{content:"/";padding-right:7px;color:#64748b}.breadcrumbs a{color:var(--text-muted)}.article-header{padding-bottom:8px}.article-header .lead{color:var(--text-sub);font-size:17px;line-height:1.85}.summary-box{border-left:4px solid var(--primary-light);background:var(--primary-bg);padding:24px;border-radius:0 14px 14px 0;margin-block:24px}.summary-box h2{font-size:20px}.summary-box ul{padding-left:22px;margin:0}.toc{background:#fff;border:1px solid var(--border-color);padding:24px 28px;border-radius:16px;margin-block:24px}.toc h2{font-size:18px;margin-bottom:12px}.toc ol{padding-left:22px;margin:0;display:flex;flex-direction:column;gap:0}.toc li{margin:0}.toc a{display:block;min-height:44px;padding:7px 0;font-size:15px;line-height:1.8}.article-body .content-card{margin-bottom:24px}.article-body p:last-child{margin-bottom:0}.procedure-list{list-style:none;padding:0;counter-reset:steps;margin:0}.procedure-step{position:relative;padding:0 0 24px 48px;counter-increment:steps}.procedure-step:last-child{padding-bottom:0}.procedure-step:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:1px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--primary-bg);color:var(--primary);font-size:13px;font-weight:800;border-radius:9px}.procedure-step h3{font-size:17px;margin-bottom:8px}.procedure-step p{margin:0;color:var(--text-sub)}.faq-item{padding-block:18px;border-bottom:1px solid var(--border-color)}.faq-item:last-child{border-bottom:0;padding-bottom:0}.faq-item h3{font-size:17px;margin-bottom:10px}.faq-item p{color:var(--text-sub);font-size:15px;margin:0}.subtopics{padding-left:22px;color:var(--text-sub)}.subtopics li{font-size:15px}.sources{font-size:14px}.source-item{border-bottom:1px solid var(--border-color);padding-block:16px}.source-item:last-child{border:0}.source-item a{font-weight:700}.source-item p{font-size:13px;color:var(--text-muted);margin:8px 0 0}.official-card{background:var(--primary-bg);border:1px solid #bfd1ec;border-radius:14px;padding:24px;margin-block:24px}.official-url{font-size:13px;color:var(--text-sub);overflow-wrap:anywhere;margin-block:8px 16px}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:48px;padding:11px 20px;border:2px solid var(--primary);border-radius:10px;color:#fff;background:var(--primary);font-weight:750;text-decoration:none;line-height:1.6;max-width:100%}.button-secondary{background:#fff;color:var(--primary);border-color:#b3c2d6}.button-subtle{background:var(--primary-bg);color:var(--primary);border-color:var(--primary-bg)}.button-wide{width:100%}.button:disabled{opacity:.65}.copy-feedback{color:var(--success);font-size:14px;min-height:25px;margin:10px 0 0}.ad-placement{margin:32px 0;padding-block:12px 20px;min-height:120px;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);background:transparent}.ad-label{display:block;text-align:center;font-size:11px;letter-spacing:.1em;color:var(--text-muted);margin-bottom:12px}.adsbygoogle{display:block;min-width:0}.site-footer{background:#fff;border-top:1px solid var(--border-color);padding-block:36px 30px;color:var(--text-muted);font-size:13px}.footer-brand{font-size:17px;font-weight:800;color:var(--text-main);letter-spacing:.04em;margin-bottom:12px}.footer-nav{display:flex;flex-wrap:wrap;gap:4px 18px;margin-block:16px}.footer-nav a{color:var(--text-sub);padding-block:8px;min-height:40px}.site-footer p{margin-bottom:12px}.copyright{font-size:12px;border-top:1px solid var(--border-color);padding-top:20px;margin-top:20px}.to-top{display:inline-block;min-height:44px;padding:8px 0}.calc-form-card{border-top:4px solid var(--primary-light);margin-bottom:24px}.field{margin-bottom:22px;padding:18px;background:var(--bg-main);border:1px solid var(--border-color);border-radius:12px}.field:last-of-type{margin-bottom:28px}.field label{display:block;font-weight:750;line-height:1.6;margin-bottom:10px}.field input:not([type=checkbox]),.field select,.field textarea{width:100%;min-width:0;min-height:52px;border:2px solid var(--control-border);border-radius:8px;background:#fff;color:var(--text-main);padding:11px 12px;font-size:16px}.field select{padding-right:24px}.field-help{font-size:13px;color:var(--text-muted);line-height:1.7;margin:8px 0 0}.field-error{color:var(--danger);font-size:14px;margin:8px 0 0}.field [aria-invalid=true]{border-color:var(--danger)}.check-field label{display:flex;align-items:flex-start;gap:12px;min-height:44px;margin:0;font-size:16px;cursor:pointer}.check-field input{appearance:auto;min-width:22px;width:22px;height:22px;flex-shrink:0;accent-color:var(--primary);margin:3px 0 0}.form-footer{border-top:1px solid var(--border-color);padding-top:24px;margin-top:4px}.privacy-note{font-size:13px;line-height:1.7;color:var(--text-muted);margin-top:12px}.calc-result-card{border-top:5px solid var(--accent-light);padding:0;margin-block:24px;overflow:visible}.result-heading{background:var(--primary-dark);color:#fff;padding:24px 28px;border-radius:12px 12px 0 0}.result-heading h2{font-size:23px;margin-bottom:6px}.result-heading p{font-size:14px;color:#dce8ff;margin:0}.result-content{padding:28px}.result-summary{font-size:19px;font-weight:750;color:var(--primary);margin-bottom:20px}.result-number{font-size:36px;line-height:1.4;letter-spacing:-.02em;display:block;font-weight:800}.summary-row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border-color);padding:13px 0;align-items:baseline}.summary-row span{color:var(--text-sub)}.summary-row strong{font-size:17px;text-align:right}.result-steps{padding-left:24px;margin-block:22px}.result-steps li{padding-left:3px}.result-links{margin-top:24px}.result-links a{display:block;border-left:3px solid var(--primary-light);padding:13px 16px;background:var(--primary-bg);border-radius:0 8px 8px 0;margin-bottom:12px;min-height:44px;font-weight:700}.result-copy{white-space:pre-line;background:var(--bg-main);border:1px solid var(--border-color);border-radius:12px;padding:20px;margin-block:20px;font-size:16px;line-height:1.9}.stale{background:var(--warning-bg);color:var(--warning);padding:12px 18px;margin:0}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-block:18px}.filter-chip{background:#fff;border:1px solid #b3c2d6;border-radius:8px;min-height:44px;padding:8px 14px;color:var(--text-sub);font-size:14px}.filter-chip[aria-pressed=true]{background:var(--primary);color:#fff;border-color:var(--primary)}.search-status{color:var(--text-muted);font-size:14px}.search-results{padding:0;list-style:none}.search-results li{margin-block:14px}.search-results .link-card{display:block}.search-results .link-card h2{font-size:19px}.search-results small{display:block;color:var(--text-muted);font-size:13px;margin-top:10px}.flow-illustration{padding:24px;background:#f5f8fc;border:1px solid var(--border-color);border-radius:12px}.flow-illustration ol{margin:0;padding-left:24px}.flow-caption{font-size:12px;color:var(--text-muted);margin:14px 0 0}.table-wrap{overflow-x:auto;margin-block:20px}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}caption{text-align:left;font-weight:700;padding-bottom:10px}th,td{border-bottom:1px solid var(--border-color);padding:12px;vertical-align:top}th{background:var(--primary-bg);color:var(--primary)}.print-sheet{border:2px solid var(--primary);border-radius:12px;padding:28px;background:#fff}.print-sheet h3{font-size:26px}.print-sheet li{font-size:20px;margin-bottom:20px;line-height:1.65}.empty-state{padding:24px;border:1px dashed var(--control-border);border-radius:12px;background:#fff}.mono{font-variant-numeric:tabular-nums}.review-note{font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:22px;padding-top:16px}
@media(hover:hover){.link-card:hover{border-color:#7c9ccc;box-shadow:0 5px 18px rgba(30,58,138,.08);transform:translateY(-1px)}.main-nav a:hover,.article-list a:hover{color:var(--primary-light)}.button:hover,.search-input-group button:hover{background:#172d6b;color:#fff}.button-secondary:hover{background:var(--primary-bg);color:var(--primary)}}
@media(max-width:1060px){.menu-toggle{display:flex}.main-nav:not(.is-open){display:none}.main-nav .nav-inner{flex-direction:column;gap:0;padding-block:10px}.main-nav a{padding:10px 12px;min-height:44px;border-bottom:0;border-radius:8px}.main-nav a[aria-current=page]{background:var(--primary-bg)}.main-nav.is-open{max-height:70vh;overflow-y:auto}:root{--header-offset:100px}}
@media(max-width:600px){.container{width:calc(100% - 32px)}h1{font-size:28px;line-height:1.4}h2{font-size:23px}.hero-inner{padding-block:32px}.hero h1{font-size:30px}.hero-copy{font-size:16px}.header-inner{min-height:72px}.brand-en{font-size:14px;letter-spacing:.015em}.brand-ko{font-size:10px;letter-spacing:.025em}.brand-mark{width:34px;height:36px;font-size:22px;border-radius:10px}.brand{gap:8px}.icon-button{width:42px;min-height:44px}.header-actions{gap:5px}.utility-bar{font-size:10px;letter-spacing:0}.page-main{padding-top:24px}.card,.content-card{padding:20px}.link-card{padding:20px 18px;gap:12px}.link-card h2,.link-card h3{font-size:18px}.feature-icon{width:40px;height:44px;border-radius:11px;font-size:13px}.link-card .arrow{font-size:19px}.section{margin-bottom:32px}.summary-box{padding:20px}.toc{padding:20px}.field{padding:14px}.result-heading,.result-content{padding:20px}.result-heading h2{font-size:21px}.summary-row{flex-wrap:wrap;gap:3px 12px}.summary-row strong{margin-left:auto}.procedure-step{padding-left:42px}.result-number{font-size:32px}.official-card{padding:20px}.search-input-group input{padding-left:8px}.search-input-group button{min-width:54px;padding-inline:12px}.actions .button{flex:1 1 180px}.print-sheet{padding:20px}.print-sheet h3{font-size:23px}.print-sheet li{font-size:18px}.ad-placement{min-height:100px}.section-count{white-space:normal;text-align:right}.site-footer{padding-block:28px}.article-header .lead{font-size:16px}}
@media(max-width:350px){.brand-en{font-size:12px}.brand-ko{font-size:9px}.brand-mark{width:30px;height:34px}.header-actions{gap:4px}.icon-button{width:38px}.container{width:calc(100% - 28px)}.link-card{padding:18px 14px}.link-card .feature-icon{display:none}.field{padding:12px}.card,.content-card{padding:18px}.search-input-group button{padding-inline:10px;min-width:50px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}.link-card:hover{transform:none}}
@media print{@page{size:A4;margin:14mm}body{background:#fff;font-size:12pt}.utility-bar,.site-header,.site-footer,.ad-placement,.breadcrumbs,.toc,.tool-form,.no-print,.article-header,.tool-intro,.article-body,.share-actions,.result-heading,.result-links,.copy-feedback,.privacy-note,.stale{display:none!important}main,.container,.page-main{width:100%;max-width:none;margin:0;padding:0}.calc-result-card,.result-content,.content-card{border:0;box-shadow:none;padding:0;margin:0}.print-sheet{border:0;padding:0;break-inside:avoid}.print-sheet h3{font-size:24pt}.print-sheet li{font-size:16pt;margin-bottom:18pt}.print-sheet .review-note{font-size:10pt}.result-summary,.result-content>.summary-row,.result-content>.result-steps,.result-content>.result-copy{display:none}.print-sheet a{color:#111}a{text-decoration:none}}

/* Long-form input reference for the separate usage guides. */
.fact-grid{margin:20px 0}.fact-grid dt{font-weight:750;color:var(--primary);padding-top:16px}.fact-grid dd{margin:0;padding:6px 0 16px;border-bottom:1px solid var(--border-color);overflow-wrap:anywhere}.evidence-panel td{font-variant-numeric:tabular-nums}.metadata a{color:inherit}
.input-reference{margin:0}.input-reference dt{padding-top:1.25rem;border-top:1px solid var(--border,#dbe3ed)}.input-reference dt:first-child{padding-top:0;border:0}.input-reference dd{margin:0 0 1.25rem;padding-top:.4rem}.input-reference dd p{overflow-wrap:anywhere}.child-guides{scroll-margin-top:10rem}