/* ai813692 — Neon AI theme */
:root{
  --ai813692-bg:#070b18; --ai813692-bg2:#0d1224;
  --ai813692-card:rgba(255,255,255,.05); --ai813692-bd:rgba(120,255,220,.18);
  --ai813692-fg:#e8fbff; --ai813692-mute:#86a3b8;
  --ai813692-acc:#00ffd1; --ai813692-acc2:#ff3da8; --ai813692-acc3:#7a5cff;
  --ai813692-radius:18px;
  --ai813692-grad:linear-gradient(120deg,#00ffd1 0%,#7a5cff 50%,#ff3da8 100%);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body.ai813692-body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(900px 600px at 8% -10%,rgba(0,255,209,.15),transparent 60%),
    radial-gradient(700px 500px at 100% 10%,rgba(255,61,168,.12),transparent 55%),
    var(--ai813692-bg);
  color:var(--ai813692-fg);min-height:100vh;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s}
a:hover{color:var(--ai813692-acc)}
img{max-width:100%;display:block;border-radius:12px}

.ai813692-shell{max-width:1300px;margin:0 auto;padding:0 22px}
/* Sidebar layout */
.ai813692-topbar{position:sticky;top:0;z-index:60;backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  background:rgba(7,11,24,.65);border-bottom:1px solid var(--ai813692-bd)}
.ai813692-topbar-in{display:flex;align-items:center;gap:18px;padding:12px 22px;max-width:1300px;margin:0 auto;flex-wrap:wrap}
.ai813692-brand{display:flex;align-items:center;gap:10px;font-weight:700}
.ai813692-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--ai813692-grad);color:#0a0e18;font-weight:900;letter-spacing:1px;
  box-shadow:0 8px 24px rgba(0,255,209,.35)}
.ai813692-brand-txt strong{display:block;font-size:16px;letter-spacing:.5px}
.ai813692-brand-txt em{font-style:normal;font-size:11px;color:var(--ai813692-mute);letter-spacing:1.5px}
.ai813692-nav{flex:1;min-width:280px}
.ai813692-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.ai813692-nav a{display:inline-block;padding:8px 14px;border-radius:10px;font-size:14px;color:var(--ai813692-mute);
  border:1px solid transparent;transition:all .25s;font-weight:500}
.ai813692-nav a:hover{color:#fff;border-color:var(--ai813692-bd);background:rgba(255,255,255,.04)}
.ai813692-nav a.active{color:#0a0e18;background:var(--ai813692-grad);border-color:transparent;box-shadow:0 8px 22px rgba(0,255,209,.35)}
.ai813692-search{display:flex;background:rgba(255,255,255,.04);border:1px solid var(--ai813692-bd);border-radius:10px;padding:4px 4px 4px 12px;min-width:240px}
.ai813692-search input{background:0 0;border:0;outline:0;color:var(--ai813692-fg);width:100%;padding:8px}
.ai813692-search button{border:0;background:var(--ai813692-grad);color:#0a0e18;border-radius:8px;padding:0 12px;font-weight:700;cursor:pointer}

.ai813692-crumb{display:flex;gap:6px;color:var(--ai813692-mute);font-size:13px;margin:18px 0 10px;flex-wrap:wrap}
.ai813692-crumb i{font-style:normal;opacity:.5}

/* HERO — split layout */
.ai813692-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;
  padding:36px;margin:14px 0 30px;border-radius:24px;
  background:linear-gradient(120deg,rgba(0,255,209,.10),rgba(255,61,168,.08));
  border:1px solid var(--ai813692-bd);box-shadow:0 24px 60px rgba(0,0,0,.45);position:relative;overflow:hidden}
.ai813692-hero::before{content:"";position:absolute;inset:-2px;background:
   repeating-linear-gradient(45deg,rgba(0,255,209,.05) 0 12px,transparent 12px 24px);pointer-events:none}
@media(max-width:820px){.ai813692-hero{grid-template-columns:1fr}}
.ai813692-hero h1{font-size:clamp(24px,3.4vw,38px);margin:0 0 10px;line-height:1.2;
  background:var(--ai813692-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ai813692-hero p{margin:0 0 8px;color:#cfe9ec;line-height:1.7}
.ai813692-hero .mute{color:var(--ai813692-mute);font-size:13px;letter-spacing:1px;text-transform:uppercase}
.ai813692-hero .pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.ai813692-hero .pills a{padding:10px 18px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--ai813692-bd);font-weight:600}
.ai813692-hero .pills a:hover{background:var(--ai813692-grad);color:#0a0e18;border-color:transparent}
.ai813692-hero-mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;height:280px}
.ai813692-hero-mosaic span{display:block;border-radius:14px;background-size:cover;background-position:center;border:1px solid var(--ai813692-bd)}
.ai813692-hero-mosaic span:nth-child(1){grid-row:span 2}
.ai813692-hero-mosaic span:nth-child(4){grid-column:span 2}

/* SECTION + CARDS */
.ai813692-sec{margin:34px 0}
.ai813692-h2{font-size:clamp(20px,2.4vw,26px);margin:0 0 6px;letter-spacing:.5px;
  border-left:4px solid var(--ai813692-acc);padding-left:12px}
.ai813692-lead{color:var(--ai813692-mute);margin:0 0 20px}
.ai813692-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ai813692-grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:1024px){.ai813692-grid,.ai813692-grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.ai813692-grid,.ai813692-grid-3{grid-template-columns:1fr}}

.ai813692-card{background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-radius:var(--ai813692-radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s,border-color .35s}
.ai813692-card:hover{transform:translateY(-6px);border-color:var(--ai813692-acc);box-shadow:0 20px 48px rgba(0,255,209,.18)}
.ai813692-thumb{aspect-ratio:5/3;position:relative;overflow:hidden;display:block}
.ai813692-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s}
.ai813692-card:hover .ai813692-thumb img{transform:scale(1.06)}
.ai813692-thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,transparent 30%,rgba(0,0,0,.55));opacity:0;transition:opacity .35s}
.ai813692-thumb .play svg{width:60px;height:60px;transform:scale(.85);transition:transform .35s}
.ai813692-card:hover .play{opacity:1}
.ai813692-card:hover .play svg{transform:scale(1)}
.ai813692-pill{position:absolute;left:10px;top:10px;font-size:11px;padding:4px 10px;border-radius:8px;
  background:rgba(0,0,0,.55);color:#fff;backdrop-filter:blur(6px)}
.ai813692-meta{padding:14px 16px 16px}
.ai813692-meta h4{margin:0 0 6px;font-size:15px;line-height:1.4}
.ai813692-meta p{margin:0;color:var(--ai813692-mute);font-size:13px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ai813692-tags{list-style:none;margin:10px 0 0;padding:0;display:flex;gap:6px;flex-wrap:wrap}
.ai813692-tags li{font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(0,255,209,.12);border:1px solid rgba(0,255,209,.25);color:#bff7ee}

.ai813692-strip-head{display:flex;justify-content:space-between;align-items:center;margin:22px 0 12px}
.ai813692-strip-head h3{margin:0;font-size:18px}
.ai813692-strip-head .more{font-size:13px;color:var(--ai813692-mute)}

/* Cross/share/reviews/faq */
.ai813692-cross{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.ai813692-cross a{padding:14px 16px;background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-radius:14px;display:flex;flex-direction:column;gap:4px}
.ai813692-cross a strong{color:var(--ai813692-fg)}
.ai813692-cross a span{color:var(--ai813692-mute);font-size:12px}
.ai813692-cross a:hover{border-color:var(--ai813692-acc)}

.ai813692-reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.ai813692-rev{background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-left:3px solid var(--ai813692-acc2);border-radius:12px;padding:18px;margin:0}
.ai813692-rev p{margin:0 0 8px}
.ai813692-rev footer{color:var(--ai813692-mute);font-size:13px}

.ai813692-share{margin:34px 0;padding:22px;background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-radius:16px}
.ai813692-share h3{margin:0 0 12px}
.ai813692-share-row{display:flex;flex-wrap:wrap;gap:10px}
.ai813692-share-row a{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--ai813692-bd)}
.ai813692-share-row a:hover{background:var(--ai813692-grad);color:#0a0e18;border-color:transparent}

.ai813692-faq{margin:34px 0}
.ai813692-faq details{background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-radius:12px;padding:14px 16px;margin:8px 0}
.ai813692-faq summary{cursor:pointer;font-weight:600}
.ai813692-faq p{margin:8px 0 0;color:var(--ai813692-mute)}

.ai813692-contact{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
@media(max-width:820px){.ai813692-contact{grid-template-columns:1fr}}
.ai813692-contact-card{background:var(--ai813692-card);border:1px solid var(--ai813692-bd);border-radius:16px;padding:20px}
.ai813692-json{background:#03070f;color:#7afde2;padding:14px;border-radius:12px;font-size:13px;line-height:1.6;overflow:auto;border:1px solid rgba(122,253,226,.18)}

.ai813692-foot{margin-top:60px;padding:28px 0;border-top:1px solid var(--ai813692-bd);background:rgba(7,11,24,.5)}
.ai813692-foot-grid{max-width:1300px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px}
@media(max-width:820px){.ai813692-foot-grid{grid-template-columns:1fr}}
.ai813692-foot h4{margin:0 0 10px;color:var(--ai813692-acc)}
.ai813692-foot p,.ai813692-foot li{color:var(--ai813692-mute);font-size:13px;line-height:1.8}
.ai813692-foot ul{list-style:none;padding:0;margin:0}