/* ===== Tokens（沿用 resources.parallelworld.com 的视觉） ===== */
:root{
  --primary:#6366f1; --primary-dark:#4f46e5; --accent:#ec4899; --cyan:#19e6f5;
  --bg:#0b1020; --bg-card:#161d31; --bg-soft:#1e2740; --bg-hover:#2a3350;
  --text:#f1f5f9; --text-dim:#b4c0d3; --text-mute:#8291ab;
  --border:#2a3350;
  --r-sm:6px; --r:10px; --r-lg:14px;
  --sh:0 2px 8px rgba(0,0,0,.35);
  --sh-lg:0 12px 28px rgba(0,0,0,.5);
  --t:.18s ease;
  --nav-w:252px; --hd-h:52px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:15px}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg); color:var(--text); line-height:1.45;
  height:100vh; overflow:hidden;
}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::-webkit-scrollbar{width:7px;height:7px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}
button:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ===== 手机顶栏 ===== */
.mhead{
  display:none; position:fixed; inset:0 0 auto 0; height:var(--hd-h); z-index:60;
  align-items:center; gap:12px; padding:0 14px;
  background:rgba(11,16,32,.95); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.logo-m{height:26px;width:auto}
.mhead-title{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute)}
.burger{display:flex;flex-direction:column;gap:4px;padding:6px}
.burger span{width:19px;height:2px;background:var(--text);border-radius:2px;transition:var(--t)}
.burger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.scrim{display:none;position:fixed;inset:0;background:rgba(2,8,26,.7);z-index:45}
.scrim.on{display:block}

/* ===== 两栏布局 ===== */
.shell{display:flex;height:100vh;overflow:hidden}

/* ===== 侧边栏 ===== */
.side{
  width:var(--nav-w); flex-shrink:0; z-index:50;
  display:flex; flex-direction:column;
  background:var(--bg-card); border-right:1px solid var(--border);
  transition:transform var(--t);
}
.side-top{flex-shrink:0;padding:16px 14px 10px;border-bottom:1px solid var(--border);position:relative}
.logo{width:100%;max-width:120px;height:auto;margin:0 auto;filter:drop-shadow(0 2px 10px rgba(25,230,245,.25))}
.brand-sub{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute);margin-top:5px;text-align:center}
.side-close{display:none;position:absolute;top:12px;right:12px;font-size:1.5rem;line-height:1;color:var(--text-dim)}
.event-list{flex:1;min-height:0;overflow-y:auto;list-style:none;padding:10px}
.event-list li+li{margin-top:7px}
.side-foot{flex-shrink:0;padding:10px 14px;border-top:1px solid var(--border);font-size:.65rem;color:var(--text-mute);letter-spacing:.06em}

.banner{
  position:relative; display:block; height:60px;
  border-radius:var(--r); overflow:hidden; text-decoration:none;
  border:1px solid var(--border); transition:var(--t); background:var(--bg-soft);
}
.banner img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; filter:brightness(.48) saturate(1.1);
  transition:transform .4s ease, filter var(--t);
}
.banner::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,32,.88) 0%,rgba(11,16,32,.3) 72%,transparent 100%)}
.banner-txt{position:absolute;left:13px;right:10px;top:50%;transform:translateY(-50%);z-index:2}
.banner-name{display:block;font-size:.9rem;font-weight:700;color:#fff;text-shadow:0 1px 3px #000,0 2px 10px rgba(0,0,0,.9);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.banner-sub{display:block;font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:#aebbd0;text-shadow:0 1px 3px rgba(0,0,0,.95)}
.banner:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--sh)}
.banner:hover img{transform:scale(1.07);filter:brightness(.58) saturate(1.2)}
.banner-sheen{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.banner-sheen::before{content:'';position:absolute;top:0;bottom:0;left:-60%;width:45%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.16),transparent);transform:skewX(-18deg);opacity:0}
.banner:hover .banner-sheen::before{animation:sheen .65s ease-out}
@keyframes sheen{0%{left:-60%;opacity:1}100%{left:120%;opacity:0}}
.banner.on{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 0 18px rgba(99,102,241,.34)}
.banner.on img{filter:brightness(.6) saturate(1.25)}
.banner.on::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;z-index:3;background:linear-gradient(180deg,var(--primary),var(--accent));box-shadow:0 0 10px var(--primary)}

/* ===== 主区域 ===== */
.main{flex:1;min-width:0;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth}
.wrap{max-width:1500px;margin:0 auto;padding:16px}

/* Hero */
.hero{margin-bottom:18px}
.hero-card{position:relative;min-height:226px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);background:var(--bg-card)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.62);transition:opacity .4s}
.hero-bg.swap{animation:fadeIn .5s ease}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,16,32,.92),transparent 72%)}
.hero-txt{position:relative;z-index:2;height:100%;min-height:226px;display:flex;flex-direction:column;justify-content:flex-end;padding:18px 20px}
.hero-txt::before{content:'';position:absolute;top:0;bottom:0;left:0;width:76%;z-index:-1;background:linear-gradient(90deg,rgba(11,16,32,.9) 0%,rgba(11,16,32,.5) 55%,transparent 100%)}
.hero-kicker{font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px;text-shadow:0 1px 4px rgba(0,0,0,.8)}
.hero-txt h1{font-size:1.9rem;font-weight:800;letter-spacing:-.02em;text-shadow:0 2px 10px rgba(0,0,0,.8)}
.hero-txt p{font-size:.82rem;color:var(--text-dim);text-shadow:0 1px 5px rgba(0,0,0,.8)}
.hero-tagline{margin-top:4px;max-width:60ch}
.hero-tagline:empty{display:none}
.hero-stats{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.stat{
  font-size:.68rem;padding:3px 9px;border-radius:99px;
  background:rgba(255,255,255,.1);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14);color:var(--text-dim);
  animation:statIn .4s cubic-bezier(.2,.8,.3,1) backwards;
}
.stat b{color:#fff;margin-right:3px}
.stat:nth-child(2){animation-delay:.06s}
.stat:nth-child(3){animation-delay:.12s}
@keyframes statIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}


/* 区块 */
.block{margin-bottom:22px}
.block-title{
  display:flex;align-items:center;gap:8px;margin-bottom:10px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);
}
.count{font-size:.65rem;font-weight:700;color:#fff;background:var(--primary);border-radius:99px;padding:1px 8px;min-width:22px;text-align:center}
.grid{display:grid;gap:12px}
.grid-video{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.grid-photo{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.empty{grid-column:1/-1;padding:28px;border:1px dashed var(--border);border-radius:var(--r);color:var(--text-mute);font-size:.8rem;text-align:center}

.card{
  position:relative;display:block;border-radius:var(--r);overflow:hidden;
  background:var(--bg-card);border:1px solid var(--border);
  transition:var(--t);text-align:left;width:100%;padding:0;
}
.card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-lg)}
.card img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;background:var(--bg-soft)}
.card:hover img{transform:scale(1.04)}
.card-video img{aspect-ratio:16/10}
.card-num{
  position:absolute;left:8px;top:8px;z-index:2;
  font-size:.62rem;font-weight:700;padding:2px 7px;border-radius:99px;
  background:rgba(11,16,32,.8);border:1px solid rgba(255,255,255,.14);color:var(--text-dim);
}
.play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:54px;height:54px;border-radius:50%;
  background:rgba(11,16,32,.72);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;transition:var(--t);pointer-events:none;
}
.play::after{content:'';margin-left:4px;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}
.card:hover .play{background:var(--primary);border-color:var(--primary);box-shadow:0 0 22px rgba(99,102,241,.6)}
.card-foot{padding:9px 11px;font-size:.78rem;display:flex;justify-content:space-between;gap:8px;color:var(--text-dim)}
.card-foot b{color:var(--text);font-weight:600}
.card-foot span{color:var(--text-mute);font-size:.7rem;white-space:nowrap}

.foot{padding:16px 0 8px;text-align:center;font-size:.68rem;color:var(--text-mute);letter-spacing:.06em}

/* ===== 灯箱 ===== */
.lb{position:fixed;inset:0;z-index:100;background:rgba(2,8,26,.94);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center}
.lb[hidden]{display:none}
.lb-stage{max-width:min(92vw,1500px);max-height:84vh;display:flex;align-items:center;justify-content:center}
.lb-stage img,.lb-stage video{max-width:92vw;max-height:84vh;width:auto;height:auto;border-radius:var(--r);box-shadow:var(--sh-lg);object-fit:contain;animation:fadeIn .25s ease}
.lb-stage video{background:#000;min-width:min(92vw,560px)}
.lb-close{position:absolute;top:14px;right:18px;font-size:2rem;line-height:1;color:var(--text-dim);width:44px;height:44px;border-radius:50%}
.lb-close:hover{color:#fff;background:rgba(255,255,255,.1)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:2.6rem;line-height:1;width:52px;height:72px;border-radius:var(--r);color:var(--text-dim)}
.lb-nav:hover{color:#fff;background:rgba(255,255,255,.1)}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-nav[hidden]{display:none}
.lb-cap{position:absolute;bottom:18px;left:0;right:0;text-align:center;font-size:.78rem;color:var(--text-dim);letter-spacing:.04em}
body.lb-open{overflow:hidden}

/* ===== 响应式 ===== */
@media (max-width:860px){
  html{font-size:14px}
  .mhead{display:flex}
  .shell{height:auto;display:block;padding-top:var(--hd-h)}
  body{height:auto;overflow:auto}
  .side{position:fixed;top:0;bottom:0;left:0;transform:translateX(-100%);width:min(300px,86vw);box-shadow:var(--sh-lg)}
  .side.on{transform:none}
  .side-close{display:block}
  .main{height:auto;overflow:visible}
  .hero-card,.hero-txt{min-height:200px}
  .grid-photo{grid-template-columns:repeat(2,1fr);gap:8px}
  .grid-video{grid-template-columns:1fr}
  .wrap{padding:12px 16px}
  .lb-nav{width:40px;font-size:2rem}
}
@media (max-width:480px){.grid-photo{grid-template-columns:repeat(2,1fr)}.hero-txt h1{font-size:1.5rem}}