/* Template viewer: full-screen live demo with a slim toolbar. */
:root{--ink:#141213;--mute:#6E676B;--line:rgba(20,18,19,.12);--bg:#F2F1EF;--paper:#fff;--wine:#702D41;--bar:64px;
  --cn:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;--ease:cubic-bezier(.19,1,.22,1)}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 var(--cn);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:8px}
.tv-skip{position:absolute;left:-999px;top:8px;z-index:50;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px}
.tv-skip:focus{left:12px}
.tv-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Toolbar */
.tv-bar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;height:var(--bar);padding:0 16px;background:rgba(250,249,247,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.tv-left{display:flex;align-items:center;gap:14px;min-width:0}
.tv-back{display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:0 12px;border-radius:10px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);white-space:nowrap;font-size:13px}
.tv-back:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.tv-title{min-width:0}
.tv-title h1{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tv-title p{font-size:12px;color:var(--mute);white-space:nowrap}
.tv-tools{display:flex;align-items:center;gap:14px}
.tv-seg{display:inline-flex;padding:3px;border-radius:12px;background:#E7E5E2}
.tv-seg button{border:0;background:transparent;min-height:36px;padding:0 16px;border-radius:9px;font:inherit;font-size:13px;color:#4A4447;cursor:pointer;transition:background .3s,color .3s}
.tv-seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 2px 8px -4px rgba(20,18,19,.4)}
.tv-pals{display:flex;gap:8px}
.tv-pals button{width:30px;height:30px;padding:0;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--a) 0 50%,var(--b) 50% 100%);box-shadow:inset 0 0 0 1px rgba(0,0,0,.15),0 0 0 2px #fff;transition:transform .3s var(--ease),box-shadow .3s}
.tv-pals button:hover{transform:scale(1.08)}
.tv-pals button[aria-checked="true"]{box-shadow:inset 0 0 0 1px rgba(0,0,0,.15),0 0 0 2px #fff,0 0 0 4px var(--ink)}
.tv-pal-name{font-size:12px;color:var(--mute);min-width:6em;white-space:nowrap}
.tv-actions{display:flex;justify-content:flex-end;gap:8px}
.tv-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:10px;background:var(--ink);color:#fff;font-size:13px;font-weight:500;white-space:nowrap;transition:background .3s}
.tv-btn:hover{background:var(--wine)}
.tv-btn-ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.tv-btn-ghost:hover{background:#fff;box-shadow:inset 0 0 0 1px var(--ink)}

/* Stage */
.tv-stage{position:relative;height:calc(100svh - var(--bar));display:grid;place-items:center;padding:14px 72px;overflow:hidden}
.tv-frame{width:100%;height:100%;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 30px 60px -40px rgba(20,18,19,.5),0 0 0 1px var(--line);transition:width .5s var(--ease),height .5s var(--ease),border-radius .5s var(--ease)}
.tv-frame iframe{width:100%;height:100%;border:0;display:block}
.tv-stage[data-device="mobile"] .tv-frame{width:390px;height:844px;flex:none;border-radius:46px;border:11px solid #1A1718;box-shadow:0 40px 70px -40px rgba(20,18,19,.6);transform:scale(var(--s,1));transform-origin:50% 50%}
.tv-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:6px;width:56px;color:var(--mute)}
.tv-nav span{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:inset 0 0 0 1px var(--line);font-size:24px;line-height:1;color:var(--ink);transition:box-shadow .3s,transform .4s var(--ease)}
.tv-nav:hover span{box-shadow:inset 0 0 0 1px var(--ink);transform:scale(1.06)}
.tv-nav small{font-size:11px;text-align:center;line-height:1.3;max-width:56px}
.tv-prev{left:10px}.tv-next{right:10px}

/* Info */
.tv-info{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;max-width:1180px;margin:0 auto;padding:64px 24px 24px}
.tv-k{font-size:12px;letter-spacing:.12em;color:var(--mute);margin-bottom:10px}
.tv-info h2{font-size:28px;font-weight:600;letter-spacing:-.01em}
.tv-desc{margin-top:12px;font-size:16px;line-height:1.8}
.tv-note{margin-top:16px;font-size:13px;color:var(--mute);max-width:40em}
.tv-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tv-cta .tv-btn{min-height:46px;padding:0 20px;font-size:14px}
.tv-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.tv-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.tv-small{margin-top:10px;font-size:12px;color:var(--mute)}
.tv-more{max-width:1180px;margin:0 auto;padding:40px 24px 80px}
.tv-more h2{font-size:20px;font-weight:600;margin-bottom:16px}
.tv-more-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.tv-card{display:block}
.tv-card img{width:100%;height:auto;aspect-ratio:960/667;object-fit:cover;border-radius:12px;box-shadow:0 0 0 1px var(--line);transition:transform .5s var(--ease)}
.tv-card:hover img{transform:translateY(-3px)}
.tv-card span{display:flex;gap:8px;align-items:baseline;padding:8px 2px 0}
.tv-card b{font-weight:500}
.tv-card small{color:var(--mute);font-size:12px}
.tv-all{display:inline-block;margin-top:20px;border-bottom:1px solid currentColor}

@media (max-width:1100px){
  .tv-bar{grid-template-columns:minmax(0,1fr) auto}
  .tv-tools{grid-column:1 / -1;grid-row:2;justify-content:space-between;padding-bottom:10px}
  .tv-bar{height:auto;padding-top:10px}
  :root{--bar:118px}
  .tv-pal-name{display:none}
}
@media (max-width:760px){
  :root{--bar:112px}
  .tv-seg{display:none}
  .tv-back span{display:none}
  .tv-actions .tv-btn-ghost{display:none}
  .tv-tools{justify-content:flex-start}
  .tv-pal-name{display:block}
  .tv-stage{padding:0}
  .tv-frame{border-radius:0;box-shadow:none}
  .tv-nav{display:none}
  .tv-info{grid-template-columns:1fr;gap:28px;padding-top:36px}
}
@media (prefers-reduced-motion:reduce){.tv-frame,.tv-pals button,.tv-nav span,.tv-card img{transition:none}}