:root{
  --ink:#0D1B2A;
  --teal:#2EC4B6;
  --bg:#E0E1DD;
  --paper:#F4F5F2;
  --line:rgba(13,27,42,.14);
  --muted:#40566B;
  --radius:0px;
  --shadow:0 10px 26px rgba(13,27,42,.14);
  --shadow-hover:0 16px 38px rgba(13,27,42,.22);
  --gap-s:12px;
  --gap-m:18px;
  --gap-l:26px;
  --sec:44px;
  --pad-x:18px;
}
*{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.75;
  overflow-x:hidden;
}
img{width:100%;height:100%;object-fit:cover;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,p{margin:0}
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--pad-x)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* header */
.site-header{background:var(--ink);color:#F4F5F2;position:sticky;top:0;z-index:50;border-bottom:2px solid var(--teal)}
.nav-bar{display:flex;align-items:center;gap:14px;min-height:58px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.5px;font-size:18px;color:#F4F5F2;flex:0 0 auto}
.brand-mark{width:26px;height:26px;border:2px solid var(--teal);border-radius:50%;position:relative;display:inline-block}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--teal);border-radius:50%}
.nav-links{display:none;gap:4px;flex:1 1 auto}
.nav-links a{padding:8px 11px;font-size:13.5px;color:#C8D4DE;border-radius:var(--radius);transition:background .2s,color .2s}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(46,196,182,.16);color:var(--teal);outline:none}
.search-box{display:flex;align-items:center;gap:0;margin-left:auto;flex:0 1 auto}
.search-box input{
  width:120px;height:38px;border:1px solid rgba(224,225,221,.28);background:rgba(224,225,221,.08);
  color:#F4F5F2;padding:0 12px;font-size:13.5px;border-radius:var(--radius);outline:none;
}
.search-box input::placeholder{color:#9FB0BE}
.search-box input:focus{border-color:var(--teal);background:rgba(46,196,182,.1)}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  background:transparent;border:1px solid rgba(224,225,221,.3);color:#F4F5F2;border-radius:var(--radius);cursor:pointer;font-size:18px;
}
.menu-btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.mobile-menu{display:none;padding:6px 0 14px;border-top:1px solid rgba(224,225,221,.16)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 4px;font-size:14.5px;color:#D7E1E9;border-bottom:1px solid rgba(224,225,221,.1)}
.mobile-menu a:hover{color:var(--teal)}

/* breadcrumb */
.crumb{padding:16px 0 4px;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--muted);border-bottom:1px solid transparent}
.crumb a:hover{color:var(--ink);border-bottom-color:var(--teal)}
.crumb span.sep{opacity:.5}
.crumb [aria-current="page"]{color:var(--ink);font-weight:700}

/* hero */
.hero{position:relative;padding:18px 0 8px;overflow:hidden}
.hero::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(46,196,182,.18);top:-140px;right:-120px;pointer-events:none}
.hero::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;border:2px dashed rgba(13,27,42,.15);bottom:-90px;left:-70px;pointer-events:none}
.hero-inner{position:relative;display:flex;flex-direction:column;gap:16px}
.hero-poster{position:relative;aspect-ratio:16/8;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--ink)}
.hero-poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,42,.15),rgba(13,27,42,.55))}
.hero-poster .poster-tag{position:absolute;left:14px;top:14px;z-index:2;background:var(--teal);color:var(--ink);font-size:12.5px;font-weight:800;padding:5px 12px;letter-spacing:.5px}
.hero-copy{text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center}
.hero-copy h1{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:.2px;max-width:20ch}
.hero-hook{font-size:15px;line-height:1.75;color:var(--muted);max-width:60ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.tag{display:inline-block;font-size:12.5px;line-height:1.4;padding:5px 11px;border:1px solid var(--line);color:var(--muted);background:var(--paper);border-radius:var(--radius)}
.tag.accent{border-color:var(--teal);color:var(--ink);background:rgba(46,196,182,.16);font-weight:700}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;font-size:13.5px;color:var(--muted)}
.hero-meta b{color:var(--ink);font-size:15px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:2px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;font-size:14px;
  border-radius:var(--radius);border:1px solid transparent;cursor:pointer;font-weight:700;transition:transform .18s,box-shadow .18s,background .18s;
}
.btn-primary{background:var(--ink);color:#F4F5F2}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--teal);color:var(--ink);box-shadow:var(--shadow);outline:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(46,196,182,.18);border-color:var(--teal);outline:none}

/* section shell */
section{margin-top:var(--sec)}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 16px;margin-bottom:18px}
.sec-head h2{font-size:22px;line-height:1.3;font-weight:800;letter-spacing:.2px;position:relative;padding-left:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--teal)}
.sec-desc{font-size:14px;line-height:1.7;color:var(--muted);max-width:64ch;flex:1 1 240px}
.sec-more{font-size:13.5px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--teal);padding-bottom:2px;white-space:nowrap}
.sec-more:hover{color:var(--teal)}

/* category nav */
.cat-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:76%;gap:14px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.cat-card{scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);cursor:pointer;text-align:left;transition:box-shadow .18s,transform .18s,border-color .18s}
.cat-card:hover,.cat-card:focus-visible{border-color:var(--teal);box-shadow:var(--shadow-hover);outline:none;transform:translateY(-2px)}
.cat-card h3{font-size:16.5px;line-height:1.4;font-weight:800;margin-bottom:6px}
.cat-card p{font-size:13.5px;line-height:1.65;color:var(--muted)}
.cat-card .cat-count{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:800;color:var(--ink);background:rgba(46,196,182,.2);padding:3px 9px}

/* grid & cards */
.grid{display:grid;gap:var(--gap-m)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;transition:box-shadow .18s,transform .18s;
}
.card:hover,.card:focus-within{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.card-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--ink)}
.card-media .ribbon{position:absolute;left:0;top:0;background:var(--ink);color:var(--teal);font-size:12px;font-weight:800;padding:4px 10px;letter-spacing:.5px;z-index:2}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.card-body h3{font-size:16.5px;line-height:1.4;font-weight:800}
.card-body h3 a:hover{color:var(--teal)}
.card-body p{font-size:13.5px;line-height:1.65;color:var(--muted)}
.card-meta{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px;border-top:1px dashed var(--line)}
.card-link{font-size:13px;font-weight:800;color:var(--ink);align-self:flex-start;border-bottom:2px solid var(--teal);padding-bottom:1px}
.card-link:hover{color:var(--teal)}

/* story / intro */
.story-box{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow)}
.story-box p{font-size:15px;line-height:1.78;color:var(--ink)}
.story-box p+p{margin-top:14px}
.story-note{font-size:13px;color:var(--muted);margin-top:14px;font-style:normal}

/* highlights */
.hl-list{display:grid;gap:14px}
.hl-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start}
.hl-num{flex:0 0 auto;width:38px;height:38px;border-radius:50%;border:2px solid var(--teal);color:var(--ink);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;background:rgba(46,196,182,.14)}
.hl-item h3{font-size:16px;line-height:1.4;font-weight:800;margin-bottom:5px}
.hl-item p{font-size:13.8px;line-height:1.68;color:var(--muted)}

/* people */
.people{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.person{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);text-align:center}
.person-avatar{width:72px;height:72px;border-radius:50%;overflow:hidden;margin:0 auto 12px;border:3px solid var(--teal);background:var(--ink)}
.person h3{font-size:16px;line-height:1.4;font-weight:800;margin-bottom:4px}
.person .role{display:inline-block;font-size:12.5px;color:var(--ink);background:rgba(46,196,182,.2);padding:2px 9px;margin-bottom:8px;font-weight:700}
.person p{font-size:13.5px;line-height:1.65;color:var(--muted);text-align:left}

/* episode queue */
.ep-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.ep-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:16px 18px;border-bottom:1px solid var(--line);background:rgba(46,196,182,.08)}
.ep-toolbar strong{font-size:15px;font-weight:800}
.ep-counter{font-size:13px;color:var(--muted)}
.ep-counter b{font-size:16px;color:var(--ink);font-weight:800}
.ep-list{list-style:none;margin:0;padding:0}
.ep{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 16px;padding:16px 18px;border-bottom:1px solid var(--line)}
.ep:last-child{border-bottom:0}
.ep-no{flex:0 0 auto;font-size:13px;font-weight:800;color:var(--ink);background:rgba(46,196,182,.2);padding:3px 10px}
.ep-main{flex:1 1 220px;min-width:0}
.ep-main h3{font-size:16px;line-height:1.4;font-weight:800}
.ep-main p{font-size:13.5px;line-height:1.65;color:var(--muted);margin-top:4px}
.ep-sub{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;color:var(--muted);margin-top:6px}
.ep-btn{flex:0 0 auto}
.ep-btn.on{background:var(--teal);color:var(--ink);border-color:var(--teal)}
.ep-extra{display:none}
.ep-extra.show{display:flex}
.ep-toggle{width:100%;background:transparent;border:0;border-top:1px solid var(--line);padding:14px;font-size:14px;font-weight:800;color:var(--ink);cursor:pointer;min-height:44px}
.ep-toggle:hover,.ep-toggle:focus-visible{background:rgba(46,196,182,.12);outline:none}

/* tags cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud button{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:8px 14px;font-size:13.5px;color:var(--ink);cursor:pointer;min-height:40px;transition:background .18s,border-color .18s}
.tag-cloud button:hover,.tag-cloud button:focus-visible{border-color:var(--teal);background:rgba(46,196,182,.16);outline:none}

/* related */
.rel-card{display:flex;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);transition:box-shadow .18s}
.rel-card:hover{box-shadow:var(--shadow-hover)}
.rel-media{flex:0 0 84px;aspect-ratio:3/4;overflow:hidden;background:var(--ink)}
.rel-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px}
.rel-body h3{font-size:16px;line-height:1.4;font-weight:800}
.rel-body h3 a:hover{color:var(--teal)}
.rel-body p{font-size:13.5px;line-height:1.65;color:var(--muted)}
.rel-body .tag{align-self:flex-start;font-size:12px;padding:3px 9px}

/* faq */
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 18px;font-size:15px;font-weight:800;line-height:1.5;display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--teal);font-size:20px;line-height:1;font-weight:800;flex:0 0 auto}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover,.faq-item summary:focus-visible{color:var(--teal);outline:none}
.faq-item .faq-a{padding:0 18px 18px;font-size:14px;line-height:1.72;color:var(--muted)}

/* links */
.links-block{margin-top:var(--sec)}
.links-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;background:var(--paper);border:1px solid var(--line);padding:18px;box-shadow:var(--shadow);border-radius:var(--radius)}
.links-grid a{font-size:13.5px;color:var(--muted);padding:4px 0;border-bottom:1px dashed transparent;word-break:break-all}
.links-grid a:hover,.links-grid a:focus-visible{color:var(--ink);border-bottom-color:var(--teal);outline:none}

/* footer */
.site-footer{background:var(--ink);color:#C8D4DE;margin-top:var(--sec);padding-top:46px}
.footer-grid{display:grid;gap:26px;padding-bottom:28px}
.footer-grid h3{font-size:15px;color:#F4F5F2;font-weight:800;margin-bottom:10px}
.footer-grid p{font-size:13.5px;line-height:1.75;color:#A9B9C6}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.footer-grid a{font-size:13.5px;color:#B8C6D2}
.footer-grid a:hover,.footer-grid a:focus-visible{color:var(--teal);outline:none}
.footer-bottom{border-top:1px solid rgba(224,225,221,.14);padding:18px 0 28px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.7;color:#93A5B3}
.footer-bottom a{color:#B8C6D2}
.footer-bottom a:hover{color:var(--teal)}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.to-top{
  position:fixed;right:16px;bottom:16px;z-index:60;width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:var(--teal);border:2px solid var(--teal);font-size:16px;font-weight:800;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover,.to-top:focus-visible{background:var(--teal);color:var(--ink);outline:none}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--ink);color:#F4F5F2;font-size:13.5px;padding:11px 20px;border-left:4px solid var(--teal);box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:80;max-width:90vw}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (min-width:560px){
  .hero-copy h1{font-size:36px}
  .cat-scroll{grid-auto-columns:46%}
  .people{grid-template-columns:repeat(2,minmax(0,1fr))}
  .links-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:720px){
  :root{--pad-x:32px;--gap-m:20px;--sec:56px}
  body{font-size:16px}
  .g2{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cat-scroll{grid-auto-columns:31%}
  .hero-poster{aspect-ratio:21/8}
  .hero-copy h1{font-size:42px}
  .sec-head h2{font-size:26px}
  .story-box p{font-size:16px}
  .hl-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .people{grid-template-columns:repeat(4,minmax(0,1fr))}
  .rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .to-top{right:28px;bottom:28px}
}
@media (min-width:980px){
  :root{--pad-x:40px;--gap-m:22px;--sec:72px}
  .nav-links{display:flex}
  .menu-btn{display:none}
  .mobile-menu{display:none !important}
  .search-box input{width:200px}
  .g2{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cat-scroll{grid-auto-columns:22%;overflow:visible;grid-auto-flow:row;grid-template-columns:repeat(6,minmax(0,1fr));padding-bottom:0}
  .cat-card{scroll-snap-align:none}
  .hero-poster{aspect-ratio:24/7}
  .hero-copy h1{font-size:48px}
  .hero-hook{font-size:16.5px}
  .hero-inner{gap:22px}
  .g3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .links-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}