:root{
  --bg:#f7f7fb;--bg-alt:#eeeef6;--card:#ffffff;--text:#16161d;--muted:#5d5d6e;
  --border:#e2e2ec;--accent:#7c5cff;--accent-2:#ff4d8d;--shadow:0 6px 24px rgba(20,20,40,.08);
  --radius:18px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f0f15;--bg-alt:#15151e;--card:#1b1b26;--text:#f1f1f6;--muted:#a3a3b8;
    --border:#2a2a3a;--shadow:0 6px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0f0f15;--bg-alt:#15151e;--card:#1b1b26;--text:#f1f1f6;--muted:#a3a3b8;
  --border:#2a2a3a;--shadow:0 6px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans HK","PingFang HK","Microsoft JhengHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.container{width:min(1140px,100% - 2.5rem);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{left:1rem}

/* Top bar */
.topbar{position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.5) blur(12px);
  background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;gap:1rem;height:62px}
.brand{font-weight:800;text-decoration:none;display:flex;align-items:center;gap:.55rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-dot{width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));flex:none}
.nav{margin-left:auto;display:flex;gap:1.25rem}
.nav a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--text)}
.icon-btn{border:1px solid var(--border);background:var(--card);color:var(--text);width:40px;height:40px;border-radius:12px;cursor:pointer;font-size:1.1rem;flex:none}

/* Hero */
.hero{position:relative;overflow:hidden;padding:5rem 0 4rem;text-align:center}
.hero::before{content:"";position:absolute;inset:-40% -10% auto;height:120%;z-index:-1;
  background:radial-gradient(45% 50% at 30% 40%,color-mix(in srgb,var(--accent) 35%,transparent),transparent 70%),
             radial-gradient(40% 45% at 72% 35%,color-mix(in srgb,var(--accent-2) 30%,transparent),transparent 70%);filter:blur(10px)}
.hero-inner{display:flex;flex-direction:column;align-items:center}
.avatar{width:96px;height:96px;border-radius:28px;display:grid;place-items:center;font-size:3rem;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:var(--shadow);margin-bottom:1.25rem}
.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700;color:var(--accent)}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;margin:.4rem 0 .6rem;letter-spacing:-.01em}
.tagline{color:var(--muted);font-size:clamp(1rem,2.2vw,1.2rem);max-width:40ch;margin:0 0 1.8rem}
.subscribe{display:flex;flex-wrap:wrap;justify-content:center;gap:.65rem}
.stats{list-style:none;padding:0;margin:2.2rem 0 0;display:flex;gap:2.5rem;justify-content:center;flex-wrap:wrap}
.stats strong{display:block;font-size:1.5rem}
.stats span{color:var(--muted);font-size:.85rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.15rem;border-radius:999px;font-weight:700;font-size:.95rem;
  text-decoration:none;border:1px solid var(--border);background:var(--card);color:var(--text);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:0}
.btn svg{width:18px;height:18px;flex:none}
.btn.youtube svg{color:#ff0033}.btn.spotify svg{color:#1db954}.btn.apple svg{color:#a24bf5}.btn.instagram svg{color:#e1306c}.btn.rss svg{color:#f99000}

/* Sections */
.section{padding:4rem 0}
.section.alt{background:var(--bg-alt)}
.section h2,.footer h2{font-size:1.7rem;margin:0}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.controls{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}
.tabs{display:flex;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:4px}
.tab{border:0;background:transparent;color:var(--muted);font:inherit;font-weight:700;padding:.45rem 1rem;border-radius:999px;cursor:pointer}
.tab.active{background:var(--text);color:var(--bg)}
.search input{font:inherit;padding:.6rem 1rem;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text);width:230px}
.search input:focus,.tab:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.result-count{color:var(--muted);font-size:.9rem;margin:0 0 1.25rem}
.empty{text-align:center;color:var(--muted);padding:3rem 0}

/* Grid & cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.4rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.card-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.meta{display:flex;gap:.5rem;align-items:center;font-size:.8rem;color:var(--muted)}
.badge{font-weight:800;font-size:.7rem;letter-spacing:.05em;padding:.2rem .55rem;border-radius:999px;color:#fff}
.badge.podcast{background:#1db954}.badge.youtube{background:#ff0033}
.card h3{margin:0;font-size:1.08rem;line-height:1.4}
.card p{margin:0;color:var(--muted);font-size:.92rem}
.tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:auto;padding-top:.35rem}
.tag{font-size:.75rem;padding:.15rem .55rem;border-radius:999px;background:var(--bg-alt);color:var(--muted);border:1px solid var(--border);cursor:pointer;font-family:inherit}
.media{position:relative;aspect-ratio:16/9;background:#000}
.media iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-thumb{all:unset;cursor:pointer;position:absolute;inset:0;display:block}
.yt-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:opacity .2s}
.yt-thumb:hover img{opacity:1}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:48px;border-radius:14px;background:#ff0033;display:grid;place-items:center;box-shadow:0 4px 16px rgba(0,0,0,.4)}
.play::after{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.pod-cover{aspect-ratio:16/9;display:grid;place-items:center;font-size:3.2rem;
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 85%,#000),color-mix(in srgb,var(--accent-2) 80%,#000))}
.player{padding:0 1.2rem 1.2rem}
.player audio{width:100%;height:42px}
.spotify-wrap{min-height:152px;border-radius:12px;overflow:hidden;background:var(--bg-alt);display:grid;place-items:center}
.spotify-wrap iframe{width:100%;height:152px;border:0;display:block}
.load-spotify{font:inherit;font-weight:700;border:0;border-radius:999px;padding:.6rem 1.1rem;background:#1db954;color:#fff;cursor:pointer}

/* About & footer */
.about{max-width:760px;text-align:center}
.about p{color:var(--muted);font-size:1.05rem;margin-top:1rem}
.footer{padding:3.5rem 0 1.5rem;border-top:1px solid var(--border)}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}
.footer p{color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:.6rem;max-width:520px}
.copyright{color:var(--muted);font-size:.85rem;margin-top:2.5rem}

/* 404 */
.notfound{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem}
.notfound p{color:var(--muted)}

@media (max-width:640px){
  .nav{display:none}
  .topbar-inner{justify-content:space-between}
  .hero{padding:3.5rem 0 3rem}
  .stats{gap:1.6rem}
  .grid{grid-template-columns:1fr}
  .controls,.search,.search input{width:100%}
  .tabs{width:100%}.tab{flex:1}
  .section{padding:3rem 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== v2: real podcast & SEO pages ===== */
.brand-logo{width:28px;height:28px;border-radius:8px;object-fit:cover;flex:none}
.cover-art{width:160px;height:160px;border-radius:28px;object-fit:cover;box-shadow:var(--shadow);margin-bottom:1.25rem}
.pod-cover.has-img{display:block;aspect-ratio:16/9;overflow:hidden;background:#111}
.pod-cover.has-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .pod-cover.has-img img{transform:scale(1.03)}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.clamp{display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.more{font-weight:700;font-size:.9rem;color:var(--accent);text-decoration:none}
.center{text-align:center;margin-top:2rem}
.prose{line-height:1.85;overflow-wrap:anywhere}
.prose a{color:var(--accent)}
.prose h2{font-size:1.35rem;margin:2rem 0 .75rem}
.prose h3,.prose h4{margin:1.5rem 0 .5rem}
.prose blockquote{margin:1rem 0;padding:.5rem 1rem;border-left:4px solid var(--accent);background:var(--bg-alt);border-radius:8px}
.about .prose{color:var(--muted);text-align:center}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:1.25rem auto 0;font-size:.88rem;color:var(--muted)}
.breadcrumb li+li::before{content:"›";margin-right:.4rem}
.breadcrumb a{text-decoration:none}.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60ch}
.section.slim{padding:1.5rem 0 4rem}
.page-title{font-size:clamp(1.6rem,4vw,2.3rem);margin:.5rem 0 1.5rem}
.page-title small{font-size:.55em;color:var(--muted);font-weight:600}
.ep-list{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.ep-row{display:grid;grid-template-columns:120px 1fr;gap:1.1rem;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.ep-row h2{font-size:1.1rem;margin:.2rem 0 .3rem;line-height:1.45}
.ep-row h2 a{text-decoration:none}.ep-row h2 a:hover{color:var(--accent)}
.ep-row p{margin:0;color:var(--muted);font-size:.92rem}
.ep-thumb img{width:120px;height:120px;border-radius:14px;object-fit:cover}
.episode{max-width:860px;padding-bottom:4rem}
.ep-head{display:grid;grid-template-columns:220px 1fr;gap:2rem;align-items:center;margin:1.5rem 0 1rem}
.ep-art{width:220px;height:220px;border-radius:22px;object-fit:cover;box-shadow:var(--shadow)}
.ep-head h1{font-size:clamp(1.45rem,3.6vw,2.1rem);line-height:1.3;margin:.3rem 0 .5rem}
.player.big{padding:1rem 0 .5rem}
.ep-links{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}
.btn.small{padding:.45rem .85rem;font-size:.85rem}
.btn.soundon svg{color:#ff5a36}
.extra{margin-top:2rem;padding:1.25rem 1.5rem;border:1px dashed var(--accent);border-radius:var(--radius);background:color-mix(in srgb,var(--accent) 6%,transparent)}
.extra h2{margin-top:.25rem}
.ep-nav{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:3rem}
.ep-nav .btn{max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
@media (max-width:640px){
  .ep-head{grid-template-columns:1fr;text-align:left}
  .ep-art{width:100%;height:auto;aspect-ratio:1}
  .ep-row{grid-template-columns:80px 1fr;padding:.8rem}
  .ep-thumb img{width:80px;height:80px}
  .cover-art{width:128px;height:128px}
  .ep-nav .btn{width:100%}
}

/* ===== v4: articles ===== */
.badge.article{background:var(--accent)}
.muted{color:var(--muted)}
.article-head{margin:1.5rem 0 1rem}
.article-head h1{font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.3;margin:.3rem 0 .6rem}
.article-body{font-size:1.05rem}
.article-body img{border-radius:12px;margin:1rem 0}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2rem 0}
.prose code{background:var(--bg-alt);padding:.1rem .35rem;border-radius:6px;font-size:.9em}
.related{margin-top:2.5rem}
.related h2{font-size:1.25rem}
.related-list{padding-left:1.2rem;line-height:2}
.related-list a{color:var(--accent)}
.related-ep{margin-top:2.5rem;padding:1.25rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow)}
.related-ep h2{font-size:1.15rem;margin:0 0 .8rem}
.related-ep-inner{display:grid;grid-template-columns:120px 1fr;gap:1rem;align-items:center}
.related-ep-inner img{width:120px;height:120px;border-radius:14px;object-fit:cover}
.related-ep h3{margin:0;font-size:1.02rem;line-height:1.4}
.related-ep h3 a{text-decoration:none}
.related-ep .player{padding:.6rem 0 0}
.section-head .more{white-space:nowrap}
@media (max-width:640px){.related-ep-inner{grid-template-columns:80px 1fr}.related-ep-inner img{width:80px;height:80px}}

/* ===== v4: blog, submit ===== */
.post-cover{width:100%;height:auto;max-height:460px;object-fit:cover;border-radius:var(--radius);margin:0 0 1.5rem;box-shadow:var(--shadow)}
.article-head .eyebrow a{color:inherit;text-decoration:none}
.tags a.tag{text-decoration:none}
.cat-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 1.5rem}
.cat-nav a{text-decoration:none;font-weight:700;font-size:.9rem;padding:.4rem .9rem;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--muted)}
.cat-nav a[aria-current]{background:var(--text);color:var(--bg);border-color:var(--text)}
.cat-nav .cat-submit{margin-left:auto;color:var(--accent)}
.pager{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:2rem}
.submit-cta{margin-top:2rem;padding:1rem 1.2rem;border-radius:var(--radius);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.submit-cta a{color:var(--accent);font-weight:700}
.submit-wrap{max-width:760px}
.submit-form{margin-top:1.5rem}
.form{display:grid;gap:.9rem}
.form label{display:grid;gap:.3rem;font-weight:600;font-size:.92rem}
.form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.9rem}
.form input[type=text],.form input[type=email],.form select,.form textarea{font:inherit;font-weight:400;padding:.65rem .85rem;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);width:100%}
.form textarea{min-height:260px;resize:vertical;line-height:1.7}
.form label.consent{display:flex;gap:.6rem;align-items:flex-start;font-weight:400}
.form label.consent input{margin-top:.35rem;flex:none}
.req{color:#e5484d}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-msg{margin:0;font-weight:700}
.form-msg.ok{color:#1a9a50}.form-msg.err{color:#e5484d}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}