/* 校稿桌・讀者版：稿紙、墨黑、朱印。系統字體，無外部資源。 */
:root{--paper:#f3eee3;--card:#fbf8f1;--ink:#1f1b16;--muted:#5c5444;--rule:#d6ccb6;--seal:#b82e1a;--seal-soft:#f5ded8;--code-bg:#ebe4d3;--on-seal:#fff;
--serif:"Songti TC","Noto Serif TC","Source Han Serif TC",serif;--sans:system-ui,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--measure:37em;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--paper:#17140f;--card:#1d1912;--ink:#ece4d2;--muted:#a89f8b;--rule:#3a3326;--seal:#ff7a5c;--seal-soft:#3d1f17;--code-bg:#221e16;--on-seal:#1a0e0a}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;font:1.0625rem/1.8 var(--sans);color:var(--ink);background:var(--paper) linear-gradient(var(--rule),var(--rule)) 0 0/100% 3px no-repeat;overflow-wrap:anywhere}
a{color:var(--seal);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--seal);outline-offset:3px;border-radius:2px}
::selection{background:var(--seal);color:var(--on-seal)}
.skip-link{position:absolute;left:12px;top:-100px;z-index:10;background:var(--ink);color:var(--paper);padding:12px 16px;min-height:44px;border-radius:0 0 4px 4px}
.skip-link:focus{top:0}
.site-header,.container,.site-footer{width:100%;max-width:46rem;margin-inline:auto;padding-inline:20px}
.site-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 20px;padding-block:20px 8px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;font:700 1.25rem/1.2 var(--serif);letter-spacing:.08em;color:var(--ink);text-decoration:none}
.brand::before{content:"";width:14px;height:14px;background:var(--seal);border-radius:2px;transform:rotate(-6deg);transition:transform .25s}
.brand:hover::before{transform:rotate(6deg) scale(1.15)}
.site-nav ul{display:flex;flex-wrap:wrap;gap:0 4px;margin:0 -10px;padding:0;list-style:none}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;color:var(--muted);text-decoration:none;font-size:.9375rem;letter-spacing:.06em;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--ink);border-bottom-color:var(--seal)}
.container{flex:1;padding-block:32px 56px}
.preview-banner{margin:0 0 24px;padding:10px 14px;background:var(--seal-soft);color:var(--ink);border:1px solid var(--seal);border-left-width:6px;border-radius:2px;font-size:.875rem}
/* 列表 */
.list-header{margin:0 0 36px;padding-bottom:20px;border-bottom:2px solid var(--ink)}
.list-header h1{margin:0;font:900 clamp(1.875rem,7vw,2.75rem)/1.25 var(--serif);letter-spacing:.04em;text-wrap:balance}
.list-intro{margin:10px 0 0;color:var(--muted);max-width:var(--measure)}
.post-list{list-style:none;margin:0;padding:0}
.post-card{display:flex;flex-direction:column;padding:24px 0;border-bottom:1px solid var(--rule);animation:rise .5s both}
.post-card:nth-child(2){animation-delay:.05s}.post-card:nth-child(3){animation-delay:.1s}.post-card:nth-child(n+4){animation-delay:.15s}
.post-card time{order:-1;margin-bottom:4px;font:.8125rem/1.6 var(--mono);letter-spacing:.06em;color:var(--muted)}
.post-card-title{margin:0;font:700 1.375rem/1.45 var(--serif);text-wrap:balance}
.post-card-title a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;background:linear-gradient(var(--seal),var(--seal)) 0 100%/0 2px no-repeat;transition:background-size .3s}
.post-card-title a:hover{background-size:100% 2px}
.post-card-excerpt{margin:8px 0 0;max-width:var(--measure);color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.empty{padding:48px 0;text-align:center;color:var(--muted);font-family:var(--serif)}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:32px;font-size:.9375rem}
.pagination a{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;font-weight:600}
.pagination-status{color:var(--muted);font-family:var(--mono);font-size:.8125rem;text-align:center}
/* 內頁 */
.entry-header{max-width:var(--measure);margin:0 0 32px}
.entry-categories{margin:0 0 6px;font-size:.8125rem;letter-spacing:.12em}
.entry-categories a{display:inline-flex;align-items:center;min-height:44px;margin-right:14px;font-weight:600;text-decoration:none}
.entry-title{margin:0;font:900 clamp(1.875rem,7.5vw,2.875rem)/1.3 var(--serif);letter-spacing:.02em;text-wrap:balance}
.entry-meta{display:flex;flex-wrap:wrap;gap:0 14px;margin:16px 0 0;padding-top:12px;border-top:2px solid var(--ink);color:var(--muted);font-size:.875rem}
.entry-meta time{font-family:var(--mono);font-size:.8125rem}
.entry-footer{max-width:var(--measure);margin-top:48px;padding-top:12px;border-top:1px solid var(--rule)}
.tag-list{display:flex;flex-wrap:wrap;gap:0 6px;margin:0;padding:0;list-style:none}
.tag-list a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;color:var(--muted);text-decoration:none;font-size:.9375rem}
.tag-list a:hover{color:var(--seal)}
/* 內文 */
.prose{max-width:var(--measure)}
.prose>*{margin-block:0 1.15em}
.prose>:last-child{margin-bottom:0}
.prose h2,.prose h3,.prose h4{font-family:var(--serif);line-height:1.5;text-wrap:balance;margin-block:2em .7em}
.prose h2{font-size:1.5rem;font-weight:900;padding-left:.7em;border-left:5px solid var(--seal)}
.prose h3{font-size:1.25rem;font-weight:700}
.prose h4{font-size:1.0625rem;font-weight:700;color:var(--muted);letter-spacing:.08em}
.prose :is(h2,h3,h4):first-child{margin-top:0}
.prose ul,.prose ol{padding-left:1.6em}
.prose li{margin-block:.3em}
.prose li>:is(ul,ol){margin-block:.3em 0}
.prose li::marker{color:var(--seal)}
.prose blockquote{margin-inline:0;padding:.6em 1.2em;background:var(--card);border-left:4px solid var(--seal);font-family:var(--serif);color:var(--muted)}
.prose blockquote>:last-child{margin-bottom:0}
.prose blockquote p{margin:0 0 .8em}
.prose pre{margin-inline:-20px;padding:16px 20px;overflow-x:auto;background:var(--code-bg);border-block:1px solid var(--rule);font:.875rem/1.65 var(--mono);tab-size:2;-webkit-overflow-scrolling:touch}
.prose pre code{padding:0;background:none;font:inherit;overflow-wrap:normal;word-break:normal;white-space:pre}
.prose code{padding:.1em .35em;background:var(--code-bg);border-radius:3px;font:.875em var(--mono)}
.prose strong{font-weight:700}
.prose s{color:var(--muted)}
.prose a{overflow-wrap:anywhere}
.prose img{display:block;max-width:100%;height:auto;margin-inline:auto;background:var(--code-bg);border-radius:2px}
.prose hr{width:3em;height:0;margin:2.4em 0;border:0;border-top:3px solid var(--seal)}
/* 404 */
.not-found{padding:48px 0;max-width:var(--measure)}
.not-found h1{margin:0 0 12px;font:900 clamp(1.875rem,7vw,2.75rem)/1.3 var(--serif)}
.not-found a{display:inline-flex;align-items:center;min-height:44px;font-weight:600}
/* 頁尾 */
.site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:0 16px;padding-block:12px 28px;border-top:1px solid var(--rule);color:var(--muted);font-size:.8125rem}
.site-footer p{margin:0}
.site-footer a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted)}
.site-footer a:hover{color:var(--seal)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
@media(min-width:640px){body{font-size:1.125rem}.site-header,.container,.site-footer{padding-inline:32px}.prose pre{margin-inline:0;border:1px solid var(--rule);border-radius:3px}.post-card-title{font-size:1.5rem}.prose{--measure:37em}}
@media(prefers-reduced-motion:reduce){*,::before,::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:#fff;color:#000;font-size:11pt;display:block}.site-header,.site-footer,.skip-link,.pagination,.preview-banner{display:none}.container{max-width:none;padding:0}.prose a{color:#000}.prose a[href^="http"]::after{content:" (" attr(href) ")";font-size:.8em}.prose pre{white-space:pre-wrap;overflow:visible;border:1px solid #999;background:#fff}.post-card{animation:none;break-inside:avoid}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.search-form{display:flex;gap:8px;margin-block:16px 8px}
.search-form input{flex:1;min-width:0;min-height:44px;padding:0 12px;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--muted);border-radius:3px}
.search-form input:focus{outline:2px solid var(--seal);outline-offset:1px}
.search-form button{min-height:44px;padding:0 18px;font:inherit;color:var(--on-seal);background:var(--seal);border:0;border-radius:3px;cursor:pointer}
.search-snippet mark{background:var(--seal-soft);color:var(--ink);padding:0 2px;border-radius:2px}