/* 花草溧 共用樣式（blog 用；官網 index.html 目前自帶 inline style） */
:root{
  --bg:#F4F5F0; --bg-2:#EAEDE4; --paper:#FFFFFF;
  --ink:#1E2A22; --ink-2:#4B5A50; --ink-3:#7C8A80; --line:#D6DBD0;
  --pine:#2E4A3A; --pine-2:#3D6350; --moss:#7C9468;
  --wine:#7A2C3A; --wine-2:#95394A; --brass:#A98A55;
  --shadow:0 18px 40px -24px rgba(30,42,34,.35); --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131A16; --bg-2:#1A231E; --paper:#1F2A24;
    --ink:#EEF1EA; --ink-2:#BFC8BE; --ink-3:#8B978D; --line:#2F3B34;
    --pine:#9DBBA6; --pine-2:#7FA58E; --moss:#8FA97C;
    --wine:#D98A98; --wine-2:#C56F80; --brass:#C9AA72;
    --shadow:0 18px 40px -24px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --bg:#131A16; --bg-2:#1A231E; --paper:#1F2A24;
  --ink:#EEF1EA; --ink-2:#BFC8BE; --ink-3:#8B978D; --line:#2F3B34;
  --pine:#9DBBA6; --pine-2:#7FA58E; --moss:#8FA97C;
  --wine:#D98A98; --wine-2:#C56F80; --brass:#C9AA72;
  --shadow:0 18px 40px -24px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
img{max-width:100%;display:block}
a{color:var(--pine);text-underline-offset:3px}
h1,h2,h3{font-family:"Noto Serif TC","Songti TC",serif;margin:0;line-height:1.3;text-wrap:balance}
.fr{font-family:"Cormorant Garamond",Georgia,serif}
.wrap{width:min(720px,calc(100% - 40px));margin:0 auto}
.wrap-wide{width:min(1000px,calc(100% - 40px));margin:0 auto}

.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0;gap:20px;
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}
.brand .zh{font-family:"Noto Serif TC",serif;font-weight:600;font-size:19px;letter-spacing:.18em}
.brand .fr{font-size:15px;color:var(--ink-3);font-style:italic}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;font-size:14px}
.nav ul a{text-decoration:none;color:var(--ink-2)}
.nav ul a:hover{color:var(--ink)}
@media (max-width:640px){.nav ul{gap:14px;font-size:13px}.brand .fr{display:none}}

.post{padding:48px 0 20px}
.post .eyebrow{font-size:12.5px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
.post h1{font-size:clamp(28px,4.4vw,42px);font-weight:600;margin:10px 0 14px}
.post .lede{font-size:18px;color:var(--ink-2);margin:0 0 28px}
.post .cover{border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:34px;width:100%}
.post-body h2{font-size:24px;font-weight:600;margin:40px 0 12px;padding-top:6px}
.post-body h3{font-size:19px;font-weight:600;margin:28px 0 8px}
.post-body p{margin:0 0 18px}
.post-body ul,.post-body ol{margin:0 0 20px;padding-left:22px}
.post-body li{margin-bottom:8px}
.post-body img{border-radius:10px;margin:24px 0}
.post-body blockquote{margin:24px 0;padding:2px 0 2px 18px;border-left:3px solid var(--moss);color:var(--ink-2)}
.post-body code{background:var(--bg-2);padding:2px 6px;border-radius:5px;font-size:.9em}
.post-body table{border-collapse:collapse;width:100%;font-size:15.5px;margin:20px 0}
.post-body th,.post-body td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.post-body th{color:var(--ink-3);font-weight:500;font-size:13px;letter-spacing:.06em}
.post-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:32px 0 0}
.tags span{font-size:12.5px;color:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:3px 12px}

.cta-card{margin:44px 0 10px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;display:grid;grid-template-columns:110px 1fr;gap:22px;align-items:center;box-shadow:var(--shadow)}
.cta-card img{border-radius:10px;aspect-ratio:1;object-fit:cover}
.cta-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
.cta-card p{margin:0 0 14px;color:var(--ink-2);font-size:15px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  font-weight:500;text-decoration:none;border:1px solid transparent;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--wine);color:#fff}
.btn-primary:hover{background:var(--wine-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
@media (max-width:560px){.cta-card{grid-template-columns:1fr}.cta-card img{width:100px}}

.list-head{padding:52px 0 8px}
.list-head h1{font-size:clamp(28px,4vw,38px);font-weight:600;margin:8px 0 10px}
.list-head p{color:var(--ink-2);margin:0;max-width:38em}
.posts{display:grid;gap:18px;padding:28px 0 10px;list-style:none;margin:0}
.posts li{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.posts a{display:grid;grid-template-columns:200px 1fr;gap:0;text-decoration:none;color:inherit}
.posts img{height:100%;min-height:150px;object-fit:cover}
.posts .txt{padding:22px 24px}
.posts h2{font-size:20px;font-weight:600;margin-bottom:6px}
.posts time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.posts p{margin:8px 0 0;color:var(--ink-2);font-size:15px}
.posts li:hover{border-color:var(--moss)}
@media (max-width:640px){.posts a{grid-template-columns:1fr}.posts img{min-height:180px}}
.empty{color:var(--ink-3);padding:30px 0}

footer{border-top:1px solid var(--line);margin-top:60px;padding:24px 0 44px;font-size:13px;color:var(--ink-3);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* share */
.share-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;font-size:13.5px;color:var(--ink-3)}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--line);border-radius:2px;background:transparent;color:var(--pine);font:inherit;font-size:13.5px;cursor:pointer;text-decoration:none;letter-spacing:.04em;transition:background .15s ease}
.share-btn:hover{background:var(--bg-2)}
.share-btn.ok{border-color:var(--moss);color:var(--moss)}
.share-btn::before{content:"";width:14px;height:14px;background:currentColor;-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M4 12v7a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-7'/><path d='M16 6l-4-4-4 4'/><path d='M12 2v13'/></svg>") center/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M4 12v7a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-7'/><path d='M16 6l-4-4-4 4'/><path d='M12 2v13'/></svg>") center/contain no-repeat}
.share-btn[data-share-line]::before{-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 3C6.5 3 2 6.6 2 11c0 3.9 3.5 7.2 8.2 7.9.3.1.7.2.8.5.1.3.1.6 0 .9l-.1.8c0 .2-.2.9.8.5s5.4-3.2 7.4-5.5c1.4-1.5 2-3.1 2-4.9 0-4.4-4.5-8-10-8z'/></svg>") center/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 3C6.5 3 2 6.6 2 11c0 3.9 3.5 7.2 8.2 7.9.3.1.7.2.8.5.1.3.1.6 0 .9l-.1.8c0 .2-.2.9.8.5s5.4-3.2 7.4-5.5c1.4-1.5 2-3.1 2-4.9 0-4.4-4.5-8-10-8z'/></svg>") center/contain no-repeat}
footer .share-row{justify-content:center;margin-bottom:14px}
.post .share-row{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}

/* early bird */
.cta-card .promo{display:inline-block;margin:-4px 0 14px;padding:6px 12px;border:1px solid var(--wine);border-radius:4px;color:var(--wine);font-size:14px;font-weight:600}
.callout-eb{margin:22px 0;padding:18px 22px;border:1px solid var(--wine);border-radius:var(--radius);background:var(--paper);display:flex;align-items:center;gap:14px 26px;flex-wrap:wrap}
.callout-eb .tag{font-size:13px;letter-spacing:.12em;color:var(--wine);font-weight:600}
.callout-eb .big{font-size:32px;font-weight:600;color:var(--wine);line-height:1;font-variant-numeric:tabular-nums}
.callout-eb .big small{font-size:14px;font-weight:400;color:var(--ink-2);margin-left:4px}
.callout-eb .was{font-size:15px;color:var(--ink-3);text-decoration:line-through;margin-left:8px}
.callout-eb .cond{flex:1 1 16em;margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.callout-eb .cond b{color:var(--ink)}

/* 文章內常見問題（與首頁 .qa 同結構，build.py 會抓成 FAQPage） */
.post-body .qa{border-bottom:1px solid var(--line);padding:18px 0;margin:0}
.post-body .qa h3{font-size:17px;font-weight:600;margin:0;letter-spacing:.02em}
.post-body .qa p{margin:10px 0 0;color:var(--ink-2);font-size:15px;line-height:1.9}
.post .eyebrow .upd{margin-left:6px;text-transform:none}