:root{
  --bg:#080a0f;
  --bg-2:#0c0f16;
  --panel:rgba(19,23,32,.72);
  --panel-solid:#131720;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#eef1f7;
  --muted:#8d96ab;
  --dim:#6a7285;
  --accent:#5b8cff;
  --accent-2:#8b5cf6;
  --hot:#ff6b4a;
  --gold:#f5b544;
  --radius:18px;
  --shadow:0 18px 44px -18px rgba(0,0,0,.85);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -10%,rgba(91,140,255,.16),transparent 62%),
    radial-gradient(760px 500px at 88% 4%,rgba(139,92,246,.13),transparent 60%),
    radial-gradient(680px 420px at 50% 108%,rgba(255,107,74,.06),transparent 65%),
    linear-gradient(180deg,#080a0f 0%,#0a0d13 45%,#080a0f 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:60;background:rgba(8,10,15,.72);backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(145deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 22px -8px rgba(91,140,255,.9),inset 0 1px 0 rgba(255,255,255,.28);
  font-size:17px;color:#fff;
}
.brand h1{margin:0;font-size:19px;font-weight:800;letter-spacing:.2px;
  background:linear-gradient(92deg,#fff 10%,#b9c8ff 55%,#c9b6ff 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.brand p{margin:3px 0 0;font-size:12px;color:var(--dim);display:flex;align-items:center;gap:7px;white-space:nowrap}
.live{width:7px;height:7px;border-radius:50%;background:#37d67a;box-shadow:0 0 0 0 rgba(55,214,122,.55);animation:pulse 2.4s infinite}
.live.busy{background:var(--gold);animation-duration:.9s}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(55,214,122,.5)}70%{box-shadow:0 0 0 8px rgba(55,214,122,0)}100%{box-shadow:0 0 0 0 rgba(55,214,122,0)}}
.tools{display:flex;align-items:center;gap:10px}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:12px;width:15px;height:15px;stroke:var(--dim);fill:none;stroke-width:2;pointer-events:none}
#search{width:260px;padding:10px 14px 10px 34px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);color:var(--text);font-size:13px;outline:none;transition:.2s var(--ease)}
#search::placeholder{color:var(--dim)}
#search:focus{border-color:rgba(91,140,255,.6);background:rgba(91,140,255,.07);box-shadow:0 0 0 4px rgba(91,140,255,.1)}
.btn{cursor:pointer;padding:10px 18px;border-radius:12px;border:1px solid transparent;font-size:13px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--accent),#6a6bff);transition:.2s var(--ease);white-space:nowrap;
  box-shadow:0 10px 24px -12px rgba(91,140,255,.9)}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn:active{transform:translateY(0) scale(.99)}
.btn[disabled]{opacity:.55;cursor:default;transform:none;box-shadow:none}
.btn.ghost{background:rgba(255,255,255,.045);border-color:var(--line-2);color:var(--text);box-shadow:none;font-weight:600}
.btn.ghost:hover{background:rgba(255,255,255,.08)}

/* ---------- 分类 ---------- */
.cats{position:sticky;top:69px;z-index:50;background:rgba(8,10,15,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.cats .wrap{display:flex;gap:9px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.cats .wrap::-webkit-scrollbar{display:none}
.chip{cursor:pointer;white-space:nowrap;padding:7px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);font-size:13px;font-weight:600;transition:.2s var(--ease)}
.chip:hover{color:var(--text);border-color:var(--line-2);background:rgba(255,255,255,.06)}
.chip.on{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 10px 22px -12px rgba(91,140,255,.95)}

/* ---------- 焦点大图 ---------- */
main{padding-bottom:20px}
.hero{position:relative;margin:28px 0 8px;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  min-height:400px;display:flex;align-items:flex-end;cursor:pointer;background:var(--panel-solid);box-shadow:var(--shadow);
  isolation:isolate;transition:.35s var(--ease)}
.hero:hover{border-color:rgba(91,140,255,.45);transform:translateY(-2px)}
.hero .bg{position:absolute;inset:0;z-index:-2}
.hero .bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.02);transition:transform 1.2s var(--ease)}
.hero:hover .bg img{transform:scale(1.07)}
.hero .scrim{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(8,10,15,.05) 0%,rgba(8,10,15,.35) 42%,rgba(8,10,15,.94) 100%)}
.hero .no-img{position:absolute;inset:0;z-index:-2;background:
  radial-gradient(600px 300px at 20% 10%,rgba(91,140,255,.35),transparent 60%),
  radial-gradient(500px 300px at 85% 30%,rgba(139,92,246,.3),transparent 62%),#10141d}
.hero-body{padding:34px 36px 32px;max-width:820px;display:flex;flex-direction:column;gap:12px}
.kicker{display:flex;align-items:center;gap:9px;font-size:12px;color:#cfd7ea;flex-wrap:wrap}
.kicker .pill{padding:3px 10px;border-radius:999px;font-weight:700;letter-spacing:.4px;
  background:linear-gradient(135deg,rgba(91,140,255,.95),rgba(139,92,246,.95));color:#fff;font-size:11px}
.kicker .sep{color:rgba(255,255,255,.35)}
.hero h2{margin:0;font-size:clamp(24px,3.2vw,38px);line-height:1.28;font-weight:800;letter-spacing:-.4px;
  text-shadow:0 3px 24px rgba(0,0,0,.55)}
.hero p{margin:0;color:#b9c1d4;font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero .go{margin-top:6px;font-size:13px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:7px;opacity:.92}
.hero .go i{transition:transform .25s var(--ease);font-style:normal}
.hero:hover .go i{transform:translateX(5px)}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:26px 0 8px}
@media (max-width:1080px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:660px){.grid{grid-template-columns:1fr}}
.card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);cursor:pointer;box-shadow:0 10px 26px -20px rgba(0,0,0,.9);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
  opacity:0;transform:translateY(14px)}
.card.in{opacity:1;transform:none}
.card:hover{transform:translateY(-4px);border-color:rgba(110,150,255,.4);
  box-shadow:0 26px 46px -26px rgba(0,0,0,.95),0 0 0 1px rgba(110,150,255,.12)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0e121a}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease),filter .3s}
.card:hover .thumb img{transform:scale(1.06)}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,10,15,.55));pointer-events:none}
.card.no-img .thumb{display:none}
.card.no-img .body::before{content:"";display:block;height:2px;width:44px;border-radius:2px;margin-bottom:14px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.body{padding:16px 18px 15px;display:flex;flex-direction:column;gap:9px;flex:1}
.meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--dim);flex-wrap:wrap;letter-spacing:.2px}
.src{color:#a9bcff;font-weight:700}
.tag{padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:10.5px;color:#a6afc4}
.title{margin:0;font-size:16.5px;line-height:1.5;font-weight:700;letter-spacing:-.1px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.card:hover .title{color:#cfd9ff}
.sum{margin:0;font-size:13px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.foot-row{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between}
.badge-video{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;color:#fff;padding:3px 9px;border-radius:999px;
  background:linear-gradient(135deg,var(--hot),#ff8a5c);box-shadow:0 8px 18px -10px rgba(255,107,74,.9)}
.read{font-size:12px;color:var(--dim);transition:.2s}
.card:hover .read{color:var(--accent)}
.card:hover .read::after{content:" →";}

/* ---------- 独立文章页 ---------- */
.article-wrap{padding-top:26px;padding-bottom:20px}
.back{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin:6px 0 18px;transition:.2s}
.back:hover{color:var(--accent)}
.article{max-width:860px;margin:0 auto;background:linear-gradient(180deg,#141925 0%,#10141d 100%);
  border:1px solid var(--line);border-radius:20px;padding:34px 38px 40px;box-shadow:var(--shadow)}
.a-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--dim);margin-bottom:16px}
.article h1{margin:0 0 20px;font-size:clamp(24px,3vw,32px);line-height:1.4;font-weight:800;letter-spacing:-.4px}
.article img.hero{width:100%;border-radius:14px;margin:4px 0 22px;display:block;border:1px solid var(--line)}
.article video{width:100%;border-radius:14px;margin:4px 0 22px;background:#000;display:block}
.article iframe.embed{width:100%;aspect-ratio:16/9;border-radius:14px;margin:4px 0 22px;border:0;background:#000;display:block}
.article .content p{font-size:16px;line-height:1.95;color:#c6cddd;margin:0 0 17px;letter-spacing:.2px}
.article .content p:first-of-type::first-letter{font-size:2.2em;font-weight:800;float:left;line-height:.9;padding:6px 10px 0 0;color:#fff}
.article .actions{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}

@media (max-width:760px){
  .article{padding:22px 18px 26px;border-radius:16px}
  .article .content p{font-size:15px}
}

/* ---------- 骨架屏 ---------- */
.skel{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel-solid);min-height:250px}
.skel .bar{height:170px;background:linear-gradient(100deg,#12161f 20%,#1a2030 38%,#12161f 56%);background-size:220% 100%;animation:shimmer 1.4s infinite linear}
.skel .lines{padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.skel .lines i{display:block;height:11px;border-radius:6px;background:linear-gradient(100deg,#12161f 20%,#1a2030 38%,#12161f 56%);background-size:220% 100%;animation:shimmer 1.4s infinite linear}
.skel .lines i:nth-child(1){width:70%;height:15px}
.skel .lines i:nth-child(3){width:88%}
@keyframes shimmer{0%{background-position:120% 0}100%{background-position:-40% 0}}

.more{display:flex;justify-content:center;padding:18px 0 54px}
.empty{text-align:center;color:var(--muted);padding:70px 0;font-size:14px}
.foot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--dim);font-size:12px;
  border-top:1px solid var(--line);padding-top:20px;padding-bottom:34px;margin-top:16px}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-start;justify-content:center;
  padding:44px 18px;overflow-y:auto;background:rgba(4,6,10,.78);backdrop-filter:blur(8px);animation:fade .18s ease}
.modal[hidden]{display:none}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.modal-box{position:relative;width:100%;max-width:860px;border-radius:20px;border:1px solid var(--line-2);
  background:linear-gradient(180deg,#141925 0%,#10141d 100%);box-shadow:0 40px 90px -30px #000;
  padding:34px 38px 40px;animation:rise .26s var(--ease)}
.close{position:absolute;right:16px;top:14px;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--muted);font-size:19px;line-height:1;cursor:pointer;transition:.2s}
.close:hover{color:#fff;background:rgba(255,255,255,.1)}
.modal h2{margin:0 0 12px;font-size:26px;line-height:1.42;font-weight:800;letter-spacing:-.3px;padding-right:40px}
.m-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--dim);margin-bottom:20px;
  padding-bottom:16px;border-bottom:1px solid var(--line)}
.m-meta .src{color:#a9bcff}
.modal img.hero{width:100%;border-radius:14px;margin:4px 0 20px;display:block;border:1px solid var(--line)}
.modal video{width:100%;border-radius:14px;margin:4px 0 20px;background:#000;display:block}
.modal iframe.embed{width:100%;aspect-ratio:16/9;border-radius:14px;margin:4px 0 20px;border:0;background:#000;display:block}
.modal .content p{font-size:15.5px;line-height:1.95;color:#c6cddd;margin:0 0 16px;letter-spacing:.2px}
.modal .content p:first-of-type::first-letter{font-size:2.2em;font-weight:800;float:left;line-height:.9;padding:6px 10px 0 0;color:#fff}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.actions .btn{padding:9px 16px;font-size:12.5px}
.loading{color:var(--muted);font-size:13px;padding:26px 0;text-align:center}

@media (max-width:760px){
  .wrap{padding:0 16px}
  .topbar .wrap{padding-top:11px;padding-bottom:11px;gap:12px}
  #search{width:150px;padding:9px 12px 9px 32px}
  .brand h1{font-size:17px}
  .brand p{display:none}
  .cats{top:63px}
  .hero{margin-top:18px;min-height:320px;border-radius:18px}
  .hero-body{padding:22px 20px 22px}
  .hero p{display:none}
  .grid{gap:14px;padding-top:18px}
  .modal{padding:14px 10px}
  .modal-box{padding:24px 18px 28px;border-radius:16px}
  .modal h2{font-size:20px}
  .modal .content p{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}