/* Shared layout for guide pages (guides.html, guide-*.html, salary-converter.html) */
:root{--bg:#f7f4ee;--surface:#fffdf8;--surface-2:#eee7dc;--text:#202124;--muted:#5f6368;--line:#ded7cc;--accent:#2f6f62;--accent-soft:#e6f1ed;--shadow:0 16px 50px rgba(32,33,36,.08);--radius:8px}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-text-size-adjust:100%;text-size-adjust:100%}
a{color:inherit}
img{max-width:100%}
.skip-link{position:absolute;left:16px;top:-48px;z-index:20;background:var(--text);color:#fff;padding:10px 14px;border-radius:6px}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(247,244,238,.95);backdrop-filter:blur(12px)}
.nav{max-width:1120px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;white-space:nowrap}
.brand img,.brand-logo{width:auto;height:40px;max-width:164px;object-fit:contain;border-radius:6px;display:block}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{min-height:40px;display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text);background:var(--surface)}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.content{max-width:780px}
main{padding-bottom:48px}
.page-hero{padding:56px 0 24px}
.page-hero .wrap.content,.page-hero .wrap{margin:0 auto}
.eyebrow{margin:0 0 12px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
h1{margin:0 0 16px;font-size:clamp(32px,5.5vw,52px);line-height:1.12}
h2{font-size:clamp(22px,3vw,28px);line-height:1.25;margin:32px 0 10px}
h3{font-size:19px;margin:24px 0 8px}
p,li{font-size:17px}
.lead{color:var(--muted);font-size:clamp(17px,2.2vw,20px)}
.meta,.page-updated{color:var(--muted);font-size:14px}
article.wrap.content{margin:0 auto}
.callout{margin:20px 0;padding:16px 18px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:var(--radius)}
.section{padding:8px 0 48px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.article-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column}
.article-card h2{font-size:21px;margin:10px 0 8px}
.article-card p{color:var(--muted);font-size:15px;flex:1}
.tag{align-self:flex-start;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700}
.text-link{color:var(--accent);font-weight:700;text-decoration:none}
.text-link:hover{text-decoration:underline}
.calculator{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);max-width:780px}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:16px}
.fields label{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
.fields input,.fields select{width:100%;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff}
.calculator button{min-height:46px;padding:10px 20px;border:0;border-radius:999px;background:var(--text);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.result{margin-top:16px}
.site-footer{border-top:1px solid var(--line);background:var(--surface);margin-top:24px}
.footer-inner,.footer{max-width:1120px;margin:0 auto;padding:28px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}
@media (max-width:640px){.wrap{padding:0 16px}.page-hero{padding:32px 0 16px}.nav{padding:10px 16px}}
/* Rich guide components (old-pc troubleshooting) */
.kf-toc{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 24px;padding:0;list-style:none}
.kf-toc a{display:inline-flex;min-height:36px;align-items:center;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);text-decoration:none;font-size:14px;font-weight:600}
.kf-toc a:hover{background:var(--accent-soft);border-color:var(--accent)}
article h2[id]{scroll-margin-top:84px}
.principle{margin:20px 0;padding:16px 18px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:var(--radius)}
.warning{margin:20px 0;padding:16px 18px;border-left:4px solid #9f2d27;background:#fbeceb;border-radius:var(--radius)}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:16px 0 24px}
.flow div{position:relative;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.flow strong{display:block;color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.flow span{display:block;margin-top:4px;font-weight:700;font-size:15px;line-height:1.35}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:14px 0 24px}
.card{padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.card h4{margin:0 0 6px;font-size:17px;line-height:1.4}.card p{margin:0;font-size:15px;color:var(--muted)}
.card .number{display:inline-block;min-width:26px;color:var(--accent);font-weight:800}
.kf-guide-table{width:100%;border-collapse:collapse;margin:14px 0 24px;font-size:15px}
.kf-guide-table th,.kf-guide-table td{padding:10px;border:1px solid var(--line);text-align:left;vertical-align:top}
.kf-guide-table th{background:var(--surface-2)}
.kf-table-wrap{overflow-x:auto}
.checklist{columns:2;column-gap:28px}.checklist li{break-inside:avoid}
.small{color:var(--muted);font-size:14px}
@media (max-width:760px){.flow,.cards{grid-template-columns:1fr}.checklist{columns:1}}
@media print{.site-header,.site-footer,.kf-toc{display:none}body{background:#fff}}
html[lang^="zh"] body{font-family:"Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;line-height:1.85}
@media (max-width:640px){.site-header{position:static}.nav-links a{padding:6px 8px;font-size:14px;min-height:34px}.brand img{height:34px}}