*{box-sizing:border-box}
:root{
  --bg:#ffffff;
  --bg-alt:#f5f5f7;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --brand:#e11d48;
  --brand-soft:#fdf2f8;
}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;z-index:20;background:transparent;border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease}
.nav-wrap{max-width:1120px;margin:0 auto;padding:16px 64px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
 .brand{display:flex;margin-right:auto;align-items:center;gap:8px;font-weight:600;color:var(--text);text-decoration:none}
.brand:hover{opacity:.9}
.logo{height:35px;width:auto;flex-shrink:0;transition:height .2s ease,transform .2s ease}
.brand-text{font-size:15px}
.nav-links{display:flex;gap:12px;align-items:center;font-size:14px;flex-wrap:wrap}
.nav-links a{color:var(--muted);text-decoration:none;padding:6px 8px;border-radius:999px}
.nav-links a:hover{background:#f3f4f6;color:var(--text)}
.theme-toggle,.lang-toggle{
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  padding:6px 10px;
  font-size:12px;
  cursor:pointer;
}
.theme-toggle{margin-left:auto}
.lang-toggle{margin-left:6px}
body[data-theme="dark"] .theme-toggle,
body[data-theme="dark"] .lang-toggle{
  background:#020617;
  color:#e5e7eb;
}
.section{padding:60px 16px}
.section.alt{background:var(--bg-alt)}
.container.narrow{max-width:960px;margin:0 auto}
.hero{padding-top:72px;padding-bottom:56px;position:relative;background:radial-gradient(circle at top left,#fdf2f8 0,#ffffff 45%,#f9fafb 100%);}
.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 8px}
.hero h1{font-size:32px;line-height:1.2;margin:0 0 16px}

.lead{font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 20px}
.hero-actions.icon-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:10px}
.icon-btn{width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);box-shadow:0 1px 2px rgba(15,23,42,0.06);text-decoration:none;cursor:pointer}
.icon-btn img{width:40px;height:40px;border-radius:10px}
.icon-btn:hover{background:#f9fafb;transform:translateY(-1px);transition:transform 120ms ease, box-shadow 120ms ease;box-shadow:0 4px 10px rgba(15,23,42,0.12)}
h2{font-size:24px;margin:0 0 12px}
.section-intro{margin:0 0 24px;font-size:14px;color:var(--muted)}
.listen-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.listen-card{background:#fff;border-radius:16px;border:1px solid var(--border);padding:14px 14px 16px;position:relative;overflow:hidden;transition:transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;box-shadow:0 1px 3px rgba(15,23,42,0.04)}
.listen-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(15,23,42,0.18);border-color:rgba(248,113,113,0.5)}
.listen-card h3{margin:0 0 8px;font-size:15px}
.player{width:100%;height:180px;border:0;border-radius:12px}
.episode-list{display:grid;gap:16px}
.grid-episodes{grid-template-columns:repeat(3,minmax(0,1fr))}
.episode-card{background:#fff;border-radius:16px;border:1px solid var(--border);padding:14px 14px 16px;display:flex;flex-direction:column;row-gap:6px;position:relative;overflow:hidden;transition:transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;box-shadow:0 1px 3px rgba(15,23,42,0.04)}
.episode-card::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 20px);
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg,rgba(148,163,184,0),rgba(248,113,113,0.9),rgba(59,130,246,0.85),rgba(148,163,184,0));
  pointer-events:none;
}
.episode-card:hover{transform:translateY(-3px) scale(1.015);box-shadow:0 10px 25px rgba(15,23,42,0.18);border-color:rgba(248,113,113,0.5)}
.episode-meta{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.episode-tag{padding:2px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:500;font-size:11px}
.episode-duration-pill{padding:2px 8px;border-radius:999px;border:1px solid var(--border);font-size:11px;margin-left:6px;color:var(--muted)}
.episode-title{font-size:15px;font-weight:600;margin-top:2px}
.episode-desc{font-size:13px;color:var(--muted);margin-top:2px}
.episode-actions{margin-top:8px;display:flex;gap:8px;flex-wrap:wrap;font-size:12px}
.episode-actions a{padding:6px 10px;border-radius:999px;border:1px solid var(--border);text-decoration:none;color:var(--text);display:inline-flex;align-items:center;gap:6px}
.episode-actions a:hover{background:#f3f4f6}
.episode-play-overlay{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) scale(.94);
  padding:0;
  width:40px;
  height:40px;
  border-radius:999px;
  border:none;
  background:rgba(15,23,42,0.92);
  color:#f9fafb;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  transition:opacity .18s ease, transform .18s ease, box-shadow .18s ease;
  box-shadow:0 0 0 1px rgba(148,163,184,0.45);
}
.episode-card:hover .episode-play-overlay{
  opacity:1;
  transform:translate(-50%,-50%) scale(1);
  box-shadow:0 10px 30px rgba(15,23,42,0.8);
}
body[data-theme="dark"] .episode-play-overlay{
  background:rgba(15,23,42,0.96);
  box-shadow:0 0 0 1px rgba(148,163,184,0.7);
}
.episode-card:hover .episode-play-overlay{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) scale(.94);
  padding:0;
  width:40px;
  height:40px;
  border-radius:999px;
  border:none;
  background:rgba(15,23,42,0.92);
  color:#f9fafb;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  transition:opacity .18s ease, transform .18s ease, box-shadow .18s ease;
  box-shadow:0 0 0 1px rgba(148,163,184,0.45);
}
.episode-card:hover .episode-play-overlay{
  opacity:1;
  transform:translate(-50%,-50%) scale(1);
  box-shadow:0 10px 30px rgba(15,23,42,0.8);
}
body[data-theme="dark"] .episode-play-overlay{
  background:rgba(15,23,42,0.96);
  box-shadow:0 0 0 1px rgba(148,163,184,0.7);
}
.loading{text-align:center;justify-content:center;color:var(--muted)}
.section p{font-size:15px;line-height:1.7;color:var(--text)}
.contact-list{list-style:none;padding:0;margin:8px 0 0;font-size:14px;color:var(--text)}
.contact-list li+li{margin-top:4px}
.subscribe-form{margin-top:8px}
.subscribe-row{display:flex;gap:8px;flex-wrap:wrap}
.subscribe-row input[type=email]{flex:1 1 220px;padding:10px 12px;border-radius:999px;border:1px solid var(--border);font-size:14px;min-width:0}
.subscribe-row input[type=email]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 1px var(--brand-soft)}
.subscribe-note{margin-top:8px;font-size:12px;color:var(--muted)}
.subscribe-status{margin-top:6px;font-size:12px;}
.subscribe-status.ok{color:#16a34a;}
.subscribe-status.error{color:#b91c1c;}
body[data-theme="dark"] .subscribe-status.ok{color:#4ade80;}
body[data-theme="dark"] .subscribe-status.error{color:#fca5a5;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.site-footer{border-top:1px solid var(--border);padding:18px 16px;background:#fff}
.footer-inner{max-width:960px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.footer-right{text-align:right}
/* Dark mode */
body[data-theme="dark"]{
  --bg:#020617;
  --bg-alt:#020617;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --border:#1f2937;
  --brand:#f97316;
  --brand-soft:#4c1d95;
  background:radial-gradient(circle at top,#020617 0,#020617 40%,#020617 100%);
  color:var(--text);
}
body[data-theme="dark"] .site-header{background:transparent;border-color:transparent;}
body[data-theme="dark"] .nav-links a:hover{background:#111827;}
body[data-theme="dark"] .listen-card,
body[data-theme="dark"] .episode-card{background:#020617;border-color:#111827;}
body[data-theme="dark"] .site-footer{background:#020617;border-color:#111827;}
body[data-theme="dark"] .episode-play-overlay{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) scale(.94);
  padding:0;
  width:40px;
  height:40px;
  border-radius:999px;
  border:none;
  background:rgba(15,23,42,0.92);
  color:#f9fafb;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  transition:opacity .18s ease, transform .18s ease, box-shadow .18s ease;
  box-shadow:0 0 0 1px rgba(148,163,184,0.45);
}
.episode-card:hover .episode-play-overlay{
  opacity:1;
  transform:translate(-50%,-50%) scale(1);
  box-shadow:0 10px 30px rgba(15,23,42,0.8);
}
body[data-theme="dark"] .episode-play-overlay{
  background:rgba(15,23,42,0.96);
  box-shadow:0 0 0 1px rgba(148,163,184,0.7);
}
/* Language toggling */
.lang-zh{display:none;}
body[data-lang="zh"] .lang-en{display:none;}
body[data-lang="zh"] .lang-zh{display:inline;}
@media(max-width:900px){
  .grid-episodes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .listen-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav-wrap{
    max-width:none;
    padding:12px 16px;
    flex-wrap:nowrap;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:8px;
  }
  .brand{
    flex:0 0 auto;
  }
  .logo{
    height:30px;
  }
  .brand-text{
    font-size:13px;
  }
  .nav-links{
    flex-shrink:0;
    display:flex;
    gap:10px;
  }
  .nav-links a{
    font-size:13px;
    padding:4px 8px;
  }
  /* hide About & Episodes on mobile, keep Join us & Contact */
  .nav-links a:nth-child(1),
  .nav-links a:nth-child(2){
    display:none;
  }
  .theme-toggle,
  .lang-toggle{
    font-size:11px;
    padding:2px 6px;
  }
  .hero{
    padding-top:72px;
    padding-bottom:40px;
  }
  .hero h1{
    font-size:28px;
    line-height:1.25;
    margin:0 0 14px;
  }
  .footer-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
  }
  .grid-episodes{
    grid-template-columns:1fr;
  }
}

body.scrolled .logo{height:26px;}
body.scrolled .site-header{
  background:#ffffff;
  border-bottom:1px solid var(--border);
  box-shadow:0 18px 45px rgba(15,23,42,0.12);
}
body[data-theme="dark"].scrolled .site-header{
  background:#020617;
  border-color:#111827;
  box-shadow:0 18px 45px rgba(0,0,0,0.75);
}

body[data-theme="dark"] .icon-btn{
  background:#020617;
  border-color:#1f2937;
  box-shadow:0 0 0 1px rgba(148,163,184,0.15);
}
body[data-theme="dark"] .icon-btn:hover{
  background:#020617;
  box-shadow:0 0 18px rgba(251,113,133,0.5);
}
body[data-theme="dark"] .episode-card,
body[data-theme="dark"] .listen-card{
  background:#020617;
  border-color:#1f2937;
  box-shadow:0 18px 45px rgba(0,0,0,0.75);
}

.hero::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:0;
  width:min(960px,100% - 40px);
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(148,163,184,0.7),transparent);
  pointer-events:none;
}
.hero .container.narrow{max-width:760px;
  opacity:0;
  transform:translateY(10px) scale(.985);
  animation:heroIn .7s ease-out .05s forwards;
}
@keyframes heroIn{
  to{opacity:1;transform:translateY(0) scale(1);}
}
body[data-theme="dark"] .hero{
  background:radial-gradient(circle at top,#020617 0,#020617 45%,#020617 100%);
}
body[data-theme="dark"] .hero::after{
  background:linear-gradient(90deg,transparent,rgba(56,189,248,0.6),rgba(251,113,133,0.7),transparent);
}

body[data-theme="dark"] .episode-card::before{
  background:linear-gradient(90deg,rgba(15,23,42,0),rgba(56,189,248,0.9),rgba(251,113,133,0.9),rgba(15,23,42,0));
}

body.scrolled .brand-text{
  opacity:0;
  transform:translateY(-4px);
  pointer-events:none;
}
.brand-text{
  transition:opacity .18s ease,transform .18s ease;
}