:root{
  --ink:#1d1d1f; --muted:#6b6b6b; --gray:#808080; --accent:#9A261F; --accent-soft:#f6ecea;
  --bg:#ffffff; --surface:#f7f6f4; --line:#e4e1dc; --note:#fff7d6; --note-line:#e8d48a;
  --radius:14px; --maxw:880px; color-scheme:light;
  font-family:"Helvetica Neue",Helvetica,"PingFang TC","Noto Sans TC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.75;font-size:17px}
a{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.brand span{color:var(--accent)}
nav.links{display:flex;gap:16px;flex-wrap:wrap;font-size:.92rem}
nav.links a{color:var(--muted);text-decoration:none}
nav.links a:hover{color:var(--accent)}
section{padding:44px 0;border-bottom:1px solid var(--line)}
h1,h2,h3{line-height:1.35;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,6vw,2.8rem);letter-spacing:.01em}
h2{font-size:1.5rem}
h2 small{display:block;font-size:.85rem;font-weight:400;color:var(--muted);margin-top:4px}
h3{font-size:1.12rem}
.kicker{color:var(--accent);font-weight:700;font-size:.9rem;letter-spacing:.08em;margin-bottom:8px}
.lead{font-size:1.1rem;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 18px;border-radius:999px;font-weight:600;border:0;font:inherit;cursor:pointer}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card h3{margin-bottom:.35em}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.tag{font-size:.78rem;background:var(--accent-soft);color:var(--accent);padding:2px 9px;border-radius:999px}
.note{background:var(--note);border:1px dashed var(--note-line);border-radius:10px;padding:10px 14px;font-size:.88rem;margin:14px 0}
.note b{color:var(--ink)}
table.sessions{width:100%;border-collapse:collapse;font-size:.95rem}
table.sessions td{padding:10px 6px;border-bottom:1px solid var(--line);vertical-align:top}
table.sessions td.d{white-space:nowrap;color:var(--muted);width:7.5em}
table.sessions .done{color:var(--gray)}
.pod{margin:10px 0 18px}
.pod iframe{border:0;width:100%;height:160px;border-radius:10px}
.pod .t{font-weight:600}
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
footer{padding:32px 0 48px;color:var(--muted);font-size:.85rem}

/* 講義頁 */
.slide{margin:16px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.slide img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.pair .slide{margin:0}
blockquote{margin:14px 0;padding:10px 16px;border-left:4px solid var(--accent);background:var(--surface);border-radius:0 10px 10px 0}
.toc{columns:2 220px;font-size:.95rem;padding-left:1.2em}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.gallery figure{margin:0}
.gallery figcaption{font-size:.75rem;color:var(--muted);padding:4px 2px}
details summary{cursor:pointer;font-weight:600;color:var(--accent)}
#gate{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
#gate form{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
#gate input[type=password]{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin:12px 0 8px;background:var(--bg);color:var(--ink)}
#gate label{font-size:.88rem;color:var(--muted);display:block;margin-bottom:12px}
#gate .err{min-height:1.4em;font-size:.88rem;color:var(--accent);margin-top:8px}
[hidden]{display:none!important}

/* 場次：計數器＋主題分組 */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:18px 0 6px}
.stat{border-top:3px solid var(--accent);padding-top:10px}
.stat b{display:block;font-size:clamp(2.2rem,8vw,3.2rem);line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.stat > span{color:var(--muted);font-size:.9rem}
.groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:22px}
.group h3{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.group h3 small{color:var(--muted);font-weight:400;font-size:.85rem;white-space:nowrap}
.group ul{list-style:none;margin:0;padding:0;font-size:.92rem}
.group li{padding:6px 0;border-top:1px solid var(--line)}
.group li .d{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:6px}
.group li .v{color:var(--muted);font-size:.82rem}
.all{margin-top:22px}
.all h4{margin:16px 0 4px;color:var(--accent)}
.all ul{margin:0;padding-left:1.2em;font-size:.9rem}
.upcoming li .d{color:var(--accent)}

/* 照片 */
.about{display:flex;gap:20px;align-items:center}
.about .portrait{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:50% 25%;flex:none}
.about h2{margin-bottom:.3em}
.about p{margin:0}
.card .photo{margin:-18px -18px 14px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden}
.card .photo img{width:100%;aspect-ratio:3/2;object-fit:cover}


.pod.withphoto{display:grid;grid-template-columns:1fr;gap:12px;align-items:start}
@media(min-width:700px){.pod.withphoto{grid-template-columns:220px 1fr;gap:18px}}
.pod-photo{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:50% 30%;border-radius:10px}

/* 現場側拍：縮圖卡，點了才載入 YouTube 播放器 */
.reels{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;margin:10px 0 6px;max-width:760px}
.reel{display:block;position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface);color:var(--ink);text-decoration:none}
.reel:hover{border-color:var(--accent)}
.reel img{width:100%;aspect-ratio:9/16;object-fit:cover;display:block}
.reel .play{position:absolute;left:50%;top:calc((100% - var(--cap,86px)) / 2);transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(154,38,31,.92);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;padding-left:3px;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.reel-cap{display:block;padding:9px 11px 11px}
.reel-cap b{display:block;font-size:.88rem;line-height:1.45}
.reel-cap small{display:block;color:var(--muted);font-size:.76rem;margin-top:3px}
.reel.open{display:none}
.reel-frame{border:0;width:100%;aspect-ratio:9/16;border-radius:12px;display:block}