/* roulang page: index */
:root{
  --bg:#070B16;
  --panel:#0B1224;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.07);
  --cold-1:#1B6BFF;
  --cold-2:#3DDCFF;
  --warm-1:#FF7A1A;
  --warm-2:#FFB347;
  --purple:#7C5CFF;
  --green:#2ED47A;
  --red:#FF4D6D;
  --text:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6F7C9B;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 32px rgba(0,0,0,.32);
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:200ms;
  --container:1200px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Roboto Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 18% -6%, rgba(27,107,255,.12), transparent 62%),
    radial-gradient(620px 400px at 88% 4%, rgba(124,92,255,.08), transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--cold-2);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1.4;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--warm-1),var(--warm-2));
  color:#1A0D02;
  box-shadow:0 10px 28px rgba(255,122,26,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,122,26,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(61,220,255,.55);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--cold-2);font-weight:600;
  transition:gap var(--dur) var(--ease),color var(--dur) var(--ease);
}
.link-more:hover{gap:12px;color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),height var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,22,.94);box-shadow:0 10px 34px rgba(0,0,0,.5)}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-dot{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--cold-1),var(--cold-2));
  box-shadow:0 6px 18px rgba(27,107,255,.4);
  position:relative;flex-shrink:0;
}
.brand-dot::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:linear-gradient(135deg,var(--warm-1),var(--warm-2));
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:8px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);font-weight:500;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:var(--glass)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(120deg,rgba(27,107,255,.24),rgba(61,220,255,.14));
  border:1px solid rgba(61,220,255,.28);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:280px;padding:9px 12px;border-radius:11px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-3);font-size:13.5px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.cmd-search:hover{border-color:rgba(61,220,255,.35);background:var(--glass-strong)}
.cmd-search svg{flex-shrink:0;opacity:.8}
.cmd-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text);
}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-kbd{
  font-family:var(--mono);font-size:11px;letter-spacing:.5px;
  padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-3);
}
.icon-btn{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.icon-btn:hover{transform:translateY(-2px);color:#fff;border-color:rgba(61,220,255,.45)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;
  background:var(--glass);border:1px solid var(--line);
  place-items:center;color:var(--text);
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.6px;background:currentColor;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 0;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.2;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.02fr 1fr;gap:52px;align-items:center;
  padding-bottom:56px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(27,107,255,.12);border:1px solid rgba(61,220,255,.26);
  font-size:13px;color:var(--cold-2);font-weight:600;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
.hero-title{
  font-size:clamp(32px,4.6vw,54px);
  font-weight:700;line-height:1.18;letter-spacing:-.5px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cold-2),#9BE8FF 60%,#fff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.9;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;
  background:linear-gradient(120deg,var(--cold-2),#fff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px}

.media-frame{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);
  background:linear-gradient(140deg,#0E1730,#0A1020);
  aspect-ratio:16/9;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.media-frame:hover img{transform:scale(1.03)}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(7,11,22,.86),rgba(7,11,22,.12) 55%);
}
.badge-live{
  position:absolute;z-index:2;top:14px;right:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,77,109,.16);border:1px solid rgba(255,77,109,.45);
  color:#FFD9E1;font-size:12px;font-weight:600;
}
.badge-live i{
  width:7px;height:7px;border-radius:50%;background:var(--red);
  box-shadow:0 0 0 0 rgba(255,77,109,.7);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.6)}
  70%{box-shadow:0 0 0 10px rgba(255,77,109,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0)}
}
.play-btn{
  position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--warm-1),var(--warm-2));
  color:#1A0D02;
  box-shadow:0 0 0 10px rgba(255,122,26,.12),0 14px 34px rgba(255,122,26,.45);
  transition:transform var(--dur) var(--ease);
}
.media-frame:hover .play-btn{transform:translate(-50%,-50%) scale(1.06)}
.media-meta{
  position:absolute;z-index:2;left:18px;right:18px;bottom:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.media-meta h3{font-size:17px;font-weight:600}
.media-meta p{font-size:13px;color:var(--text-2);margin-top:2px}
.time-chip{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12px;padding:5px 10px;border-radius:8px;
  background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--text-2);
  white-space:nowrap;
}

/* ---------- 倒计时 ---------- */
.countdown-bar{
  position:relative;z-index:1;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(27,107,255,.08),rgba(124,92,255,.06) 60%,transparent);
}
.cd-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:26px 0;flex-wrap:wrap;
}
.cd-label{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--text)}
.cd-label small{display:block;font-size:12.5px;color:var(--text-3);font-weight:400}
.cd-grid{display:flex;align-items:center;gap:12px}
.cd-cell{
  min-width:82px;text-align:center;
  padding:12px 10px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cd-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;line-height:1.2;
  background:linear-gradient(120deg,var(--warm-1),var(--warm-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 26px rgba(255,122,26,.25);
}
.cd-unit{font-size:12px;color:var(--text-3);margin-top:2px}
.cd-cell.is-live .cd-num{background:none;color:var(--red);-webkit-text-fill-color:var(--red)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;position:relative;z-index:1}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-2);max-width:660px}
.section-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:1px;
  color:var(--purple);margin-bottom:10px;text-transform:uppercase;
}

/* ---------- 看点列表 ---------- */
.highlight-list{border-top:1px solid var(--line-soft)}
.highlight-item{
  display:flex;gap:24px;align-items:flex-start;
  padding:24px 4px;border-bottom:1px solid var(--line-soft);
  transition:background var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.highlight-item:hover{background:rgba(255,255,255,.03);padding-left:12px}
.hi-index{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;color:var(--warm-2);
  text-shadow:0 0 18px rgba(255,122,26,.45);
  flex-shrink:0;width:44px;
}
.hi-body h3{font-size:17.5px;font-weight:600;margin-bottom:4px}
.hi-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 提醒订阅 ---------- */
.subscribe-panel{
  border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.06);
  padding:34px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:center;
}
.sub-copy h2{font-size:24px;font-weight:700}
.sub-copy p{margin-top:10px;font-size:14.5px;color:var(--text-2)}
.sub-form{display:flex;flex-direction:column;gap:14px}
.field-row{display:flex;gap:12px;align-items:center}
.field{flex:1;position:relative}
.input{
  width:100%;padding:13px 16px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:15px;outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.input::placeholder{color:var(--text-3)}
.input:focus{border-color:rgba(61,220,255,.6);box-shadow:0 0 0 3px rgba(61,220,255,.14)}
.field.invalid .input{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.field-msg{font-size:12.5px;color:var(--red);margin-top:6px;display:none}
.field.invalid .field-msg{display:block}
.checkbox-row{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2)}
.checkbox-row input{width:16px;height:16px;accent-color:var(--warm-1)}
.form-success{
  display:none;align-items:center;gap:10px;
  padding:14px 16px;border-radius:12px;
  background:rgba(46,212,122,.1);border:1px solid rgba(46,212,122,.4);
  color:#BDF5D8;font-size:14.5px;
}
.form-success.show{display:flex}
.form-success svg{flex-shrink:0}

/* ---------- 回放条 ---------- */
.replay-strip{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;
}
.replay-strip::-webkit-scrollbar{height:6px}
.replay-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.replay-card{
  flex:0 0 300px;scroll-snap-align:start;
  border-radius:var(--radius);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.replay-card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4);box-shadow:var(--shadow)}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#101A38,#0A1020)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 380ms var(--ease)}
.replay-card:hover .replay-thumb img{transform:scale(1.04)}
.duration{
  position:absolute;right:10px;bottom:10px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12px;padding:3px 8px;border-radius:7px;
  background:rgba(7,11,22,.82);border:1px solid var(--line);color:var(--text-2);
}
.replay-body{padding:16px 18px 20px}
.replay-body h3{font-size:15.5px;font-weight:600;line-height:1.6;margin-bottom:6px}
.replay-body p{font-size:13px;color:var(--text-3)}
.replay-more{
  flex:0 0 220px;display:grid;place-items:center;gap:8px;
  border-radius:var(--radius);border:1px dashed rgba(255,255,255,.18);
  background:rgba(255,255,255,.02);color:var(--cold-2);
  font-size:14.5px;font-weight:600;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
  scroll-snap-align:start;
}
.replay-more:hover{border-color:rgba(61,220,255,.6);background:rgba(61,220,255,.06)}

/* ---------- 资讯网格 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4);box-shadow:var(--shadow)}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#101A38,#0A1020)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 380ms var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cover .badge{
  position:absolute;left:12px;top:12px;
  padding:4px 10px;border-radius:999px;
  background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.45);
  color:#DCD3FF;font-size:12px;font-weight:600;
  backdrop-filter:blur(6px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-title{
  font-size:17px;font-weight:600;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--text-3);
}
.news-meta .cat{color:var(--cold-2);font-weight:600}
.news-meta time{font-family:var(--mono);font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;
  display:grid;place-items:center;gap:12px;
  padding:64px 24px;text-align:center;
  border-radius:var(--radius);border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
}
.empty-state svg{color:var(--text-3)}
.empty-state p{font-size:14.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-item.open{border-color:rgba(61,220,255,.38);background:rgba(61,220,255,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--cold-2);font-size:15px;line-height:1;
  transition:transform 220ms var(--ease),background var(--dur) var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:rgba(255,122,26,.16);color:var(--warm-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:14.8px;color:var(--text-2)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-radius:22px;
  padding:48px 44px;
  background:
    radial-gradient(560px 260px at 12% 0%, rgba(27,107,255,.22), transparent 65%),
    radial-gradient(420px 220px at 92% 100%, rgba(255,122,26,.18), transparent 65%),
    rgba(255,255,255,.045);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(to bottom,rgba(27,107,255,.05),transparent 60%);
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px;line-height:1.85}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.8px;color:var(--text-3);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:#fff}
.footer-col li span{font-size:13.8px;color:var(--text-3)}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:22px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .cmd-search{width:220px}
  .nav-inner{gap:18px}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding-top:52px}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .subscribe-panel{grid-template-columns:1fr;gap:24px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 24px 22px;
    background:rgba(9,13,26,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.5);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid}
  .cmd-search{display:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-stats{gap:24px}
  .cd-inner{gap:18px}
  .cd-cell{min-width:68px;padding:10px 8px}
  .cd-num{font-size:23px}
  .cta-band{padding:32px 24px}
  .sub-copy h2{font-size:21px}
  .highlight-item{gap:16px;padding:20px 0}
  .hi-index{width:34px;font-size:17px}
}
@media (max-width:520px){
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .field-row{flex-direction:column;align-items:stretch}
  .btn{width:100%;justify-content:center}
  .hero-cta{gap:10px}
  .cd-grid{gap:8px;width:100%}
  .cd-cell{flex:1;min-width:0}
  .replay-card{flex:0 0 250px}
  .replay-more{flex:0 0 180px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#070B16;
  --bg-soft:#0B1224;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --blue:#1B6BFF;
  --cyan:#3DDCFF;
  --orange:#FF7A1A;
  --amber:#FFB347;
  --purple:#7C5CFF;
  --green:#2ED47A;
  --red:#FF4D6D;
  --text:#EAF0FF;
  --text-2:#B7C2DA;
  --text-3:#8A96B4;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 34px rgba(0,0,0,.32);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(27,107,255,.12),transparent 62%),
    radial-gradient(760px 460px at 92% 2%,rgba(124,92,255,.08),transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,button{font-size:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,32px)}
.section-head p{font-size:14px;color:var(--text-3);max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--cyan);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,22,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;white-space:nowrap}
.brand:hover{color:#fff}
.brand-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 0 0 4px rgba(61,220,255,.14),0 0 18px rgba(61,220,255,.7);
  flex:none;
}
.brand-text{letter-spacing:.01em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:#fff;background:var(--panel);border-color:var(--line)}
.nav-link.active{
  color:#fff;background:linear-gradient(135deg,rgba(27,107,255,.28),rgba(61,220,255,.16));
  border-color:rgba(61,220,255,.36);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:280px;height:40px;padding:0 12px;
  border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-3);cursor:text;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(61,220,255,.55);box-shadow:0 0 0 3px rgba(61,220,255,.12)}
.cmd-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--text);outline:none;font-size:14px;
}
.cmd-search input::placeholder{color:#6F7C9B}
.cmd-kbd{
  font-size:11px;font-family:var(--mono);color:var(--text-3);padding:2px 6px;
  border:1px solid var(--line);border-radius:6px;background:rgba(255,255,255,.04);
}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  color:var(--text-2);background:var(--panel);border:1px solid var(--line);
  transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(61,220,255,.4);transform:translateY(-2px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  color:#1C0C02;
  background:linear-gradient(135deg,var(--orange),var(--amber));
  box-shadow:0 10px 28px rgba(255,122,26,.32);
}
.btn-primary:hover{color:#1C0C02;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,122,26,.42)}
.btn-ghost{color:var(--text);background:var(--panel);border-color:var(--line-strong)}
.btn-ghost:hover{color:#fff;border-color:rgba(61,220,255,.5);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;background:var(--panel);
  border:1px solid var(--line);color:#fff;position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:2px;background:#fff;border-radius:2px;transform:translateX(-50%);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:19px}
.nav-toggle span::before{content:"";top:-5px;left:0;transform:none}
.nav-toggle span::after{content:"";top:5px;left:0;transform:none}

/* ============ 文章头部 ============ */
.page-hero{
  position:relative;padding:44px 0 34px;
  background-image:linear-gradient(180deg,rgba(7,11,22,.86),rgba(7,11,22,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.38);color:#C9BBFF;
}
.badge-cold{background:rgba(61,220,255,.12);border-color:rgba(61,220,255,.32);color:#9DEAFF}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.2;margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.article-meta time{font-variant-numeric:tabular-nums;color:var(--text-2)}

/* ============ 正文布局 ============ */
.article-wrap{padding:48px 0 8px}
.article-layout{
  display:grid;grid-template-columns:230px minmax(0,1fr);gap:44px;align-items:start;
}
.toc{
  position:sticky;top:100px;padding:20px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px) saturate(140%);
}
.toc h3{font-size:13px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.toc ol{counter-reset:toc}
.toc li{margin-bottom:4px}
.toc a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:7px 10px;border-radius:9px;
  border-left:2px solid transparent;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc a:hover,.toc a.active{color:#fff;background:rgba(61,220,255,.08);border-left-color:var(--cyan)}
.article-main{min-width:0;max-width:820px}
.article-body{
  font-size:16px;line-height:1.9;color:var(--text-2);
  overflow-wrap:break-word;
}
.article-body > * + *{margin-top:20px}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);margin:42px 0 0;padding-left:14px;position:relative;color:#fff;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--blue),var(--cyan));
}
.article-body h3{font-size:19px;margin:32px 0 0;color:#fff}
.article-body h4{font-size:16.5px;margin:26px 0 0;color:#fff}
.article-body p{margin-top:18px}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin-top:18px;padding-left:4px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 0 10px rgba(61,220,255,.6);
}
.article-body ol{counter-reset:ol;padding-left:0}
.article-body ol li{counter-increment:ol;padding-left:34px}
.article-body ol li::before{
  content:counter(ol,decimal-leading-zero);position:absolute;left:0;top:2px;
  font-family:var(--mono);font-size:13px;color:var(--amber);
}
.article-body blockquote{
  margin-top:24px;padding:18px 22px;border-radius:var(--radius-md);
  background:rgba(61,220,255,.06);border:1px solid rgba(61,220,255,.2);border-left:3px solid var(--cyan);
  color:var(--text);
}
.article-body blockquote p{margin:0}
.article-body img{
  width:100%;height:auto;border-radius:14px;margin-top:26px;border:1px solid var(--line);
  background:linear-gradient(135deg,#132244,#0B1224);
}
.article-body figure{margin-top:26px}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#fff}
.article-body code{
  font-family:var(--mono);font-size:14px;padding:2px 7px;border-radius:6px;
  background:rgba(61,220,255,.12);color:#9DEAFF;
}
.article-body pre{
  margin-top:24px;padding:16px 18px;border-radius:var(--radius-md);overflow-x:auto;
  background:#060A13;border:1px solid var(--line);
}
.article-body pre code{background:none;color:#C6D4F5;padding:0}
.article-body table{width:100%;margin-top:24px;border-collapse:collapse;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:rgba(255,255,255,.05);color:#fff;font-weight:600}
.article-body hr{margin-top:32px;border:0;border-top:1px solid var(--line)}
.empty-state{
  padding:56px 28px;text-align:center;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.empty-state .icon{
  width:54px;height:54px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;
  background:rgba(255,77,109,.12);border:1px solid rgba(255,77,109,.36);color:var(--red);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:22px}

/* ============ 标签 / 翻页 / 推荐 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;font-size:13px;
  color:var(--text-2);background:var(--panel);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:#fff;border-color:rgba(61,220,255,.45);transform:translateY(-2px)}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px}
.pager a{
  display:block;padding:20px 22px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pager a:hover{transform:translateY(-3px);border-color:rgba(61,220,255,.4);box-shadow:var(--shadow-soft)}
.pager .k{font-size:12.5px;color:var(--text-3);letter-spacing:.1em;display:block;margin-bottom:8px}
.pager .t{font-size:16px;font-weight:600;color:#fff;line-height:1.6}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#132244,#0B1224)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.7));
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}
.card-body h3{font-size:17px;line-height:1.55}
.card-body p{font-size:14.5px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:2px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);font-weight:600}
.text-link::after{content:"→";transition:transform .2s var(--ease)}
.text-link:hover::after{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--radius-md);background:var(--panel);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item[open]{border-color:rgba(61,220,255,.36);background:rgba(255,255,255,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;color:var(--cyan);line-height:1;transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .answer{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;padding:44px 40px;
  background:linear-gradient(135deg,rgba(27,107,255,.2),rgba(255,122,26,.12));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:560px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;border-top:1px solid var(--line);padding:56px 0 28px;
  background:linear-gradient(180deg,rgba(27,107,255,.06),transparent 40%);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#6F7C9B;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .cmd-search{width:220px}
  .article-layout{grid-template-columns:210px minmax(0,1fr);gap:32px}
}
@media (max-width:1024px){
  .nav-menu{
    position:absolute;top:72px;left:16px;right:16px;flex-direction:column;align-items:stretch;
    gap:6px;padding:14px;border-radius:var(--radius-lg);border:1px solid var(--line);
    background:#0B1224;box-shadow:var(--shadow-card);display:none;
  }
  .nav-menu.open{display:flex}
  .nav-link{height:44px;border-radius:12px}
  .nav-toggle{display:block}
  .cmd-search{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .article-main{max-width:820px;margin:0 auto}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .brand-text{font-size:15px}
  .icon-btn{display:none}
  .page-hero{padding:32px 0 26px}
  .article-wrap{padding:34px 0 0}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .nav-inner{height:60px;gap:10px}
  .nav-menu{top:60px}
  .btn{padding:0 18px;font-size:14.5px}
  .btn-sm{height:34px;padding:0 13px;font-size:13.5px}
  .page-hero h1{font-size:26px}
  .article-body{font-size:15.5px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --bg:#070B16;
  --panel:#0B1224;
  --panel-2:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#E8EEF9;
  --muted:#93A2C0;
  --blue:#1B6BFF;
  --cyan:#3DDCFF;
  --orange:#FF7A1A;
  --amber:#FFB347;
  --purple:#7C5CFF;
  --green:#2ED47A;
  --red:#FF4D6D;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.8,.2,1);
  --grad-cool:linear-gradient(135deg,#1B6BFF 0%,#3DDCFF 100%);
  --grad-warm:linear-gradient(135deg,#FF7A1A 0%,#FFB347 100%);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(27,107,255,.12), transparent 65%),
    radial-gradient(760px 460px at 88% 2%, rgba(124,92,255,.08), transparent 62%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:min(1200px,100% - 48px);margin:0 auto}
.section{padding:88px 0}
.section-alt{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-top:8px}
.section-head p{color:var(--muted);font-size:14.5px;max-width:560px;margin-top:6px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--cyan);text-transform:uppercase}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 命令栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease), box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,22,.92);box-shadow:0 12px 36px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px;color:#fff;white-space:nowrap}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--grad-warm);box-shadow:0 0 0 4px rgba(255,122,26,.14),0 0 18px rgba(255,122,26,.6);flex:none}
.brand-text{font-size:16px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(27,107,255,.3),rgba(61,220,255,.16));
  box-shadow:inset 0 0 0 1px rgba(61,220,255,.28);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.cmd-search{
  display:flex;align-items:center;gap:9px;width:250px;padding:8px 12px;
  border-radius:var(--radius-sm);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--muted);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(61,220,255,.5);box-shadow:0 0 0 3px rgba(61,220,255,.12)}
.cmd-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--text);font-size:13.5px}
.cmd-search input::placeholder{color:#6C7A96}
.cmd-kbd{font-size:11px;padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:#8D9AB6}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(61,220,255,.45);transform:translateY(-2px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);place-items:center;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;transition:transform .22s var(--ease)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.btn-primary{background:var(--grad-warm);color:#1A0E02;box-shadow:0 10px 30px rgba(255,122,26,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,122,26,.42)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:rgba(61,220,255,.5);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:11px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.45;pointer-events:none}
.link-more{color:var(--cyan);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease)}
.link-more:hover{gap:11px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.4;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(11,18,36,.78);color:#CFE0F7;backdrop-filter:blur(6px);
}
.badge-soon{color:#BFE9FF;border-color:rgba(61,220,255,.4);background:rgba(61,220,255,.14)}
.badge-live{color:#FFD5DD;border-color:rgba(255,77,109,.5);background:rgba(255,77,109,.16)}
.badge-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red);animation:pulse 1.6s infinite}
.badge-ok{color:#B9F5D6;border-color:rgba(46,212,122,.45);background:rgba(46,212,122,.14)}
.badge-tag{color:#D6CDFF;border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.16)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.78)}}

/* ============ 横幅 ============ */
.banner{
  position:relative;overflow:hidden;
  padding:80px 0 72px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(7,11,22,.95) 0%,rgba(7,11,22,.8) 48%,rgba(7,11,22,.6) 100%);
}
.banner .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{color:#4B5878}
.banner h1{font-size:clamp(30px,4vw,48px);font-weight:700;line-height:1.18;margin:14px 0 16px}
.banner .lead{max-width:660px;color:#B9C6DE;font-size:16px;line-height:1.9}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  font-size:13px;color:#C7D5EE;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
}

/* ============ 时间轴场次流 ============ */
.timeline{display:grid;gap:20px}
.timeline-item{position:relative;display:grid;grid-template-columns:118px 1fr;gap:22px}
.timeline-item::before{
  content:"";position:absolute;left:117px;top:8px;bottom:-20px;width:1px;
  background:linear-gradient(180deg,rgba(61,220,255,.45),rgba(255,255,255,.06));
}
.timeline-item:last-child::before{display:none}
.tl-time{padding-top:16px}
.tl-day{display:block;font-size:13px;color:var(--muted);margin-bottom:2px}
.tl-time strong{
  font-family:var(--mono);font-size:22px;font-weight:600;color:var(--amber);
  font-variant-numeric:tabular-nums;text-shadow:0 0 20px rgba(255,179,71,.45);
}
.session-card{
  display:grid;grid-template-columns:236px 1fr;gap:22px;padding:20px;
  border-radius:var(--radius-lg);background:var(--panel-2);
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.session-card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4);box-shadow:0 26px 70px rgba(0,0,0,.55)}
.session-cover{position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;background:#0B1224}
.session-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.session-card:hover .session-cover img{transform:scale(1.03)}
.session-cover .badge{position:absolute;top:10px;left:10px}
.session-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:4px 0 12px}
.points{display:grid;gap:8px;margin-bottom:16px}
.points li{position:relative;padding-left:17px;font-size:14.5px;line-height:1.75;color:#B9C6DE}
.points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--grad-cool)}
.session-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--line)}
.meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ============ 订阅条 ============ */
.subscribe{
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
  padding:30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(27,107,255,.15),rgba(124,92,255,.1));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
}
.subscribe h2{font-size:22px;margin-bottom:8px}
.subscribe p{color:#B9C6DE;font-size:14.5px;max-width:520px}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-end}
.field{display:block}
.field input{
  width:286px;padding:13px 16px;border-radius:var(--radius-sm);
  background:rgba(7,11,22,.6);border:1px solid var(--line-strong);
  color:var(--text);font-size:14.5px;outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#6C7A96}
.field input:focus{border-color:rgba(61,220,255,.6);box-shadow:0 0 0 3px rgba(61,220,255,.14)}
.field.error input{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.check{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);cursor:pointer}
.check input{width:15px;height:15px;accent-color:#FF7A1A}
.form-msg{flex-basis:100%;text-align:right;font-size:13px;color:var(--muted);margin:0}
.form-msg.err{color:var(--red)}
.form-msg.ok{color:var(--green)}
.subscribe-form.done .field,
.subscribe-form.done .check,
.subscribe-form.done .btn{display:none}
.done-tip{display:none;align-items:center;gap:10px;color:#B9F5D6;font-size:15px;font-weight:600;justify-self:end}
.subscribe-form.done ~ .done-tip{display:inline-flex}

/* ============ 栏目排期列表 ============ */
.schedule-list{
  border-radius:var(--radius-lg);border:1px solid var(--line);overflow:hidden;
  background:rgba(255,255,255,.03);
}
.schedule-row{
  display:grid;grid-template-columns:58px 1fr 170px 148px;gap:18px;align-items:center;
  padding:18px 24px;border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .2s var(--ease);
}
.schedule-row:last-child{border-bottom:0}
.schedule-row:hover{background:rgba(61,220,255,.05)}
.seq{font-family:var(--mono);font-size:15px;color:var(--cyan);text-shadow:0 0 16px rgba(61,220,255,.45)}
.schedule-row h3{font-size:16.5px;font-weight:600;margin-bottom:3px}
.schedule-row p{font-size:13.5px;color:var(--muted);line-height:1.7}
.row-time{font-family:var(--mono);font-size:14px;color:#C7D5EE;font-variant-numeric:tabular-nums}
.row-cta{text-align:right}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:24px;border-radius:16px;background:var(--panel-2);border:1px solid var(--line)}
.stat b{display:block;font-family:var(--mono);font-size:28px;color:#fff;font-variant-numeric:tabular-nums;margin-bottom:6px}
.stat span{font-size:13px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{border-radius:16px;border:1px solid var(--line);background:var(--panel-2);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item.open{border-color:rgba(61,220,255,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-icon{position:relative;width:16px;height:16px;flex:none;transition:transform .22s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--cyan);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 22px 20px;color:#B9C6DE;font-size:14.8px;line-height:1.9}

/* ============ 底部 CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:40px;border-radius:20px;
  background:linear-gradient(120deg,rgba(255,122,26,.16),rgba(27,107,255,.12));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px}
.cta-band p{color:#B9C6DE;font-size:14.8px;max-width:560px}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;border-top:1px solid var(--line);background:rgba(11,18,36,.66);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:760px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,220,255,.1),transparent 70%);
}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 36px;
}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.9;margin-top:16px;max-width:340px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{color:var(--muted);font-size:14px;line-height:1.7;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  position:relative;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 34px;border-top:1px solid var(--line);color:#7C8AA6;font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .cmd-search{width:210px}
}
@media (max-width:1024px){
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;padding:14px;
    background:#0B1224;border-bottom:1px solid var(--line);
    box-shadow:0 24px 50px rgba(0,0,0,.5);
  }
  .nav-menu.open{display:flex}
  .nav-link{padding:12px 16px;border-radius:12px}
  .nav-toggle{display:grid}
  .session-card{grid-template-columns:196px 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .schedule-row{grid-template-columns:52px 1fr 150px}
  .row-cta{display:none}
}
@media (max-width:768px){
  .container{width:calc(100% - 32px)}
  .nav-inner{height:60px}
  .site-header.is-scrolled .nav-inner{height:58px}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .section{padding:56px 0}
  .section-alt{padding:48px 0}
  .banner{padding:56px 0 52px}
  .timeline-item{grid-template-columns:1fr;gap:12px}
  .timeline-item::before{display:none}
  .tl-time{padding-top:0;display:flex;align-items:baseline;gap:12px}
  .tl-day{margin:0}
  .session-card{grid-template-columns:1fr}
  .subscribe{grid-template-columns:1fr;padding:24px}
  .subscribe-form{justify-content:flex-start}
  .field,.field input{width:100%}
  .form-msg{text-align:left}
  .done-tip{justify-self:start}
  .schedule-row{grid-template-columns:44px 1fr;gap:14px;padding:16px 18px}
  .row-time{grid-column:2;color:var(--muted)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media (max-width:520px){
  .brand-text{font-size:14.5px}
  .btn{padding:11px 18px;font-size:14px}
  .stats{grid-template-columns:1fr}
  .hero-tags li{font-size:12.5px;padding:6px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --bg:#070B16;
  --bg-soft:#0B1224;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --text:#EAF0FF;
  --muted:#93A0C0;
  --muted-2:#6E7B9B;
  --blue:#1B6BFF;
  --cyan:#3DDCFF;
  --orange:#FF7A1A;
  --orange-2:#FFB347;
  --purple:#7C5CFF;
  --green:#2ED47A;
  --red:#FF4D6D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-sm:0 10px 30px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --head-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 18% -6%, rgba(27,107,255,.12), transparent 62%),
    radial-gradient(620px 400px at 92% 4%, rgba(124,92,255,.08), transparent 60%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;height:46px;border-radius:12px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-primary{
  color:#1B0E02;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  box-shadow:0 10px 28px rgba(255,122,26,.32),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,122,26,.42),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,122,26,.3)}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border:1px solid var(--line-2);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(61,220,255,.55);background:rgba(61,220,255,.08)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-size:14px;font-weight:600;
}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.74);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,22,.94);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.nav-inner{display:flex;align-items:center;gap:22px;height:var(--head-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 16px rgba(61,220,255,.75);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand:hover .brand-text{color:#fff}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.active{
  color:#EAF0FF;
  background:linear-gradient(135deg,rgba(61,220,255,.16),rgba(27,107,255,.12));
  border-color:rgba(61,220,255,.3);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:280px;height:38px;padding:0 10px 0 12px;
  border-radius:12px;background:var(--glass);border:1px solid var(--line);
  color:var(--muted-2);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(61,220,255,.55);box-shadow:0 0 0 3px rgba(61,220,255,.12)}
.cmd-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--text);
}
.cmd-search input::placeholder{color:var(--muted-2)}
.cmd-kbd{
  font-size:11px;line-height:1;padding:3px 5px;border-radius:6px;
  border:1px solid var(--line-2);color:var(--muted-2);
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
}
.icon-btn:hover{color:#fff;border-color:rgba(61,220,255,.5);transform:translateY(-2px)}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--text);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- Hero ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:52px 0 46px;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,11,22,.78) 0%,rgba(7,11,22,.94) 100%),
    radial-gradient(560px 320px at 22% 0%, rgba(27,107,255,.18), transparent 62%);
}
.page-banner .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-2);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb span.sep{opacity:.5}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#D6E4FF;background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.36);
}
.banner-tag i{width:6px;height:6px;border-radius:50%;background:var(--purple);box-shadow:0 0 10px var(--purple)}
.page-banner h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;letter-spacing:-.5px;margin:18px 0 14px;max-width:20ch;
}
.page-banner h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-lead{max-width:62ch;color:var(--muted);font-size:16.5px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--muted);
  background:var(--glass);border:1px solid var(--line);
}
.chip b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.chip .dot-orange{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange)}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;margin-top:34px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
}
.stat-cell{background:rgba(11,18,36,.72);padding:18px 20px}
.stat-cell .num{
  font-size:26px;font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#FFFFFF,#9CC6FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-cell .lbl{font-size:13px;color:var(--muted-2);margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-slim{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.8vw,34px);letter-spacing:-.3px}
.section-head .sub{color:var(--muted);font-size:14.5px;margin-top:10px;max-width:64ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:1.4px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 首发阵容布局 ---------- */
.launch-layout{display:grid;grid-template-columns:236px 1fr;gap:28px;align-items:start}
.filter-rail{
  position:sticky;top:calc(var(--head-h) + 20px);
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px 18px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-sm);
}
.filter-rail h3{font-size:15px;font-weight:600;margin-bottom:6px}
.filter-rail .rail-note{font-size:12.5px;color:var(--muted-2);line-height:1.7;margin-bottom:16px}
.filter-list{display:flex;flex-direction:column;gap:8px}
.filter-btn{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--muted);text-align:left;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:all .2s var(--ease);
}
.filter-btn:hover{color:#fff;border-color:rgba(61,220,255,.4);transform:translateY(-1px)}
.filter-btn.is-active{
  color:#EAF0FF;
  background:linear-gradient(135deg,rgba(61,220,255,.15),rgba(27,107,255,.1));
  border-color:rgba(61,220,255,.42);
  box-shadow:inset 0 0 0 1px rgba(61,220,255,.08);
}
.filter-btn .count{
  font-size:12px;color:var(--muted-2);font-variant-numeric:tabular-nums;
}
.filter-btn.is-active .count{color:var(--cyan)}
.rail-cta{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.rail-cta p{font-size:12.5px;color:var(--muted-2);line-height:1.7;margin-bottom:12px}
.rail-cta .btn{width:100%}

.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mosaic-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  position:relative;
}
.mosaic-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(61,220,255,.6),transparent 70%);
  opacity:.7;
}
.mosaic-card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4);box-shadow:var(--shadow)}
.mosaic-card .thumb{position:relative;overflow:hidden;background:#0B1224}
.mosaic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.mosaic-card:hover .thumb img{transform:scale(1.03)}
.mosaic-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,22,0) 40%,rgba(7,11,22,.82) 100%);
}
.mosaic-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.mosaic-card h3{font-size:17px;font-weight:600;line-height:1.4}
.mosaic-card .desc{font-size:13.5px;line-height:1.75;color:var(--muted)}
.mosaic-card .meta{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted-2);
  border-top:1px solid var(--line);padding-top:12px;
}
.mosaic-card .meta .time{font-variant-numeric:tabular-nums;color:#C6D4F2}
.mosaic-card.featured{grid-column:span 2;grid-row:span 2}
.mosaic-card.featured .thumb{aspect-ratio:16/8;max-height:none}
.mosaic-card.featured h3{font-size:22px}
.mosaic-card.featured .desc{font-size:14.5px}
.mosaic-card .thumb{aspect-ratio:16/9}
.thumb-badges{position:absolute;top:12px;left:12px;display:flex;gap:8px;z-index:2}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid var(--line-2);background:rgba(11,18,36,.78);color:#D9E3FA;
  backdrop-filter:blur(8px);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.badge-green{color:var(--green);border-color:rgba(46,212,122,.4);background:rgba(46,212,122,.12)}
.badge-purple{color:#B9A6FF;border-color:rgba(124,92,255,.42);background:rgba(124,92,255,.14)}
.badge-orange{color:var(--orange-2);border-color:rgba(255,122,26,.42);background:rgba(255,122,26,.14)}
.badge-cyan{color:var(--cyan);border-color:rgba(61,220,255,.4);background:rgba(61,220,255,.12)}
.badge-red{color:#FFB0BE;border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.16)}
.badge-red::before{animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.hollow-note{
  margin-top:22px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px dashed var(--line-2);
  font-size:13px;color:var(--muted-2);text-align:center;
}

/* ---------- 首发日历条 ---------- */
.calendar-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(11,18,36,.5)}
.calendar-strip{
  display:flex;gap:16px;overflow-x:auto;padding:6px 2px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.calendar-strip::-webkit-scrollbar{height:6px}
.calendar-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.date-card{
  min-width:220px;scroll-snap-align:start;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 16px 18px;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.date-card:hover{transform:translateY(-3px);border-color:rgba(61,220,255,.4)}
.date-card .date{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#CFE0FF;letter-spacing:.5px;
}
.date-card .week{font-size:12.5px;color:var(--muted-2);margin-top:2px}
.date-card .game{font-size:15px;font-weight:600;margin:12px 0 8px;line-height:1.45}
.date-card .clock{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;padding:22px 20px 24px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.4)}
.step .idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;font-weight:700;color:var(--orange);
  text-shadow:0 0 14px rgba(255,122,26,.6);
  letter-spacing:1px;
}
.step h3{font-size:16.5px;font-weight:600;margin:10px 0 8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8}
.step::after{
  content:"";position:absolute;top:34px;right:-14px;width:8px;height:8px;
  border-right:1px solid rgba(61,220,255,.5);border-bottom:1px solid rgba(61,220,255,.5);
  transform:rotate(-45deg);
}
.step:last-child::after{display:none}

/* ---------- 订阅条 ---------- */
.remind-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  padding:34px 34px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(27,107,255,.14),rgba(255,122,26,.08)),rgba(11,18,36,.7);
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
}
.remind-panel h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.remind-panel p{font-size:14.5px;color:var(--muted);max-width:52ch}
.remind-form{display:flex;flex-direction:column;gap:12px}
.field-row{display:flex;gap:10px}
.field{
  flex:1;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  color:var(--text);font-size:14.5px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field::placeholder{color:var(--muted-2)}
.field:focus{border-color:rgba(61,220,255,.65);box-shadow:0 0 0 3px rgba(61,220,255,.14)}
.field.is-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.checkbox{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.checkbox input{width:16px;height:16px;accent-color:#FF7A1A}
.form-hint{font-size:12.5px;color:var(--muted-2)}
.form-hint.error{color:var(--red)}
.form-success{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(46,212,122,.1);border:1px solid rgba(46,212,122,.4);
  color:#CFF6E2;font-size:14.5px;
}
.form-success svg{flex-shrink:0;color:var(--green)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(14px) saturate(140%);overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(61,220,255,.4);background:rgba(255,255,255,.06)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 20px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-q .sign{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);color:var(--cyan);font-size:16px;line-height:1;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-item.is-open .sign{transform:rotate(45deg);background:rgba(61,220,255,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:46px 40px;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,22,.84),rgba(7,11,22,.94));
}
.cta-band .inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-band h2{font-size:clamp(23px,3vw,34px);margin-bottom:14px}
.cta-band p{color:var(--muted);font-size:15px;margin-bottom:26px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;border-top:1px solid var(--line);
  background:rgba(9,14,28,.86);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 20% 0%, rgba(27,107,255,.1), transparent 65%);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 34px;
}
.footer-brand p{font-size:13.5px;color:var(--muted-2);line-height:1.85;margin-top:14px;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#D8E2FA;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted-2);line-height:1.7}
.footer-col a:hover{color:#fff}
.footer-bottom{
  position:relative;z-index:1;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{width:220px}
  .mosaic{grid-template-columns:repeat(3,1fr)}
  .mosaic-card.featured{grid-column:span 3;grid-row:span 1}
  .mosaic-card.featured .thumb{aspect-ratio:16/6}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .nav-menu{
    position:fixed;top:var(--head-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 24px 22px;
    background:#0B1224;border-bottom:1px solid var(--line);
    box-shadow:0 24px 50px rgba(0,0,0,.5);
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .cmd-search{width:180px}
  .launch-layout{grid-template-columns:1fr}
  .filter-rail{position:static}
  .filter-list{flex-direction:row;flex-wrap:wrap}
  .filter-btn{width:auto;flex:0 0 auto;gap:8px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .remind-panel{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .page-banner{padding:38px 0 34px}
  .page-banner h1{max-width:none}
  .banner-lead{font-size:15px}
  .stat-bar{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:repeat(2,1fr);gap:16px}
  .mosaic-card.featured{grid-column:span 2}
  .mosaic-card.featured .thumb{aspect-ratio:16/9}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-band{padding:34px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .field-row{flex-direction:column}
  .field-row .btn{width:100%}
  .mosaic{grid-template-columns:1fr}
  .mosaic-card.featured{grid-column:span 1}
  .stat-cell .num{font-size:22px}
  .nav-tools .btn-primary{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
}

/* roulang page: category3 */
:root{
  --bg:#070B16;
  --panel:#0B1224;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.07);
  --text:#E9EFFA;
  --text-2:#C3CEE2;
  --muted:#8B9AB6;
  --blue:#1B6BFF;
  --cyan:#3DDCFF;
  --orange:#FF7A1A;
  --amber:#FFB347;
  --purple:#7C5CFF;
  --green:#2ED47A;
  --danger:#FF4D6D;
  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 10px 30px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:72px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 420px at 18% -6%, rgba(27,107,255,.20), transparent 62%),
    radial-gradient(620px 380px at 88% 4%, rgba(124,92,255,.13), transparent 66%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#fff;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:#fff;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.18;}
h2{font-size:clamp(23px,2.7vw,32px);}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:height .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(7,11,22,.94);
  box-shadow:0 12px 36px rgba(0,0,0,.5);
}
.nav-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;letter-spacing:.2px;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand-dot{
  width:12px;height:12px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--orange),var(--amber));
  box-shadow:0 0 0 4px rgba(255,122,26,.14),0 0 16px rgba(255,122,26,.6);
}
.brand-text{background:linear-gradient(92deg,#fff 32%,#9FD8FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;color:var(--muted);
  border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{
  color:#fff;
  background:rgba(27,107,255,.16);
  border-color:rgba(61,220,255,.3);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:268px;height:40px;padding:0 12px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(61,220,255,.55);box-shadow:0 0 0 3px rgba(61,220,255,.12);background:rgba(255,255,255,.06);}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;color:var(--text);
  font-size:14px;outline:none;
}
.cmd-search input::placeholder{color:#6C7B96;}
.cmd-kbd{
  font-size:11px;line-height:1;padding:5px 7px;border-radius:7px;
  background:rgba(255,255,255,.07);color:#93A3BF;border:1px solid var(--line);
}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(61,220,255,.5);background:rgba(255,255,255,.08);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#DCE6F7;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#DCE6F7;border-radius:2px;
  transition:transform .22s var(--ease),top .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px;}
.btn-primary{
  background:linear-gradient(120deg,var(--orange),var(--amber));
  color:#20120A;
  box-shadow:0 12px 32px rgba(255,122,26,.34);
}
.btn-primary:hover{color:#20120A;transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,122,26,.46);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--glass);border-color:var(--line);color:var(--text);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{color:#fff;border-color:rgba(61,220,255,.55);transform:translateY(-2px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--cyan);
  background:none;border:0;padding:0;
}
.btn-link svg{transition:transform .2s var(--ease);}
.btn-link:hover svg{transform:translateX(4px);}

/* ============ badges / tags ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;font-size:12.5px;line-height:1.3;
  background:rgba(124,92,255,.14);
  border:1px solid rgba(124,92,255,.34);
  color:#C9BBFF;
}
.tag-cool{background:rgba(27,107,255,.14);border-color:rgba(61,220,255,.32);color:#9FD8FF;}
.tag-warm{background:rgba(255,122,26,.14);border-color:rgba(255,179,71,.34);color:#FFC98A;}
.tag-live{background:rgba(255,77,109,.16);border-color:rgba(255,77,109,.4);color:#FFB0BE;}
.pulse-dot{
  width:7px;height:7px;border-radius:50%;background:var(--danger);
  box-shadow:0 0 0 0 rgba(255,77,109,.5);animation:pulse 1.8s infinite;
}
.tag-live .pulse-dot{background:var(--danger);}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.5);}
  70%{box-shadow:0 0 0 9px rgba(255,77,109,0);}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0);}
}

/* ============ banner ============ */
.page-banner{
  position:relative;
  padding:76px 0 62px;
  background-image:linear-gradient(180deg,rgba(7,11,22,.62) 0%,rgba(7,11,22,.88) 58%,var(--bg) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 18%;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,220,255,.5),transparent);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.banner-title{margin-bottom:16px;max-width:900px;}
.banner-sub{max-width:720px;color:var(--text-2);font-size:16.5px;margin-bottom:24px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* ============ section base ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}

/* ============ layout: anchor + content ============ */
.layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:34px;align-items:start;}
.anchor-nav{
  position:sticky;top:96px;
  padding:20px 18px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.anchor-nav h3{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.5px;margin-bottom:14px;}
.anchor-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-list a:hover{color:#fff;background:rgba(255,255,255,.05);}
.anchor-list a.is-active{
  color:#fff;background:rgba(27,107,255,.14);
  border-left-color:var(--cyan);
}
.anchor-list .num{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
.anchor-list a.is-active .num{color:var(--cyan);}

.grade-block{
  padding:30px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  position:relative;overflow:hidden;
  margin-bottom:26px;
  scroll-margin-top:96px;
}
.grade-block::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(61,220,255,.6),rgba(124,92,255,.28),transparent);
}
.grade-block .block-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.grade-block h3{margin-bottom:0;}
.grade-block .lead{color:var(--text-2);font-size:15.5px;margin-bottom:18px;}
.point-list{list-style:none;display:flex;flex-direction:column;}
.point-list li{
  padding:16px 0;border-top:1px solid var(--line-soft);
  display:flex;gap:14px;align-items:flex-start;
  font-size:15.5px;color:var(--text-2);
}
.point-list li:first-child{border-top:0;padding-top:6px;}
.point-list .idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#FFC98A;background:rgba(255,122,26,.12);
  border:1px solid rgba(255,179,71,.28);
  box-shadow:0 0 18px rgba(255,122,26,.18);
}
.point-list b{color:#fff;font-weight:600;}

.stage-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:6px;}
.stage-card{
  padding:18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.stage-card:hover{transform:translateY(-3px);border-color:rgba(61,220,255,.4);}
.stage-card .stage-tag{font-size:12.5px;color:var(--cyan);letter-spacing:.6px;}
.stage-card strong{display:block;margin:8px 0 8px;font-size:16px;color:#fff;}
.stage-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ rating bars ============ */
.rating-panel{margin-top:8px;}
.rating-list{list-style:none;display:flex;flex-direction:column;gap:16px;}
.rating-row{display:grid;grid-template-columns:96px 1fr 58px;align-items:center;gap:16px;}
.rating-name{font-size:14px;color:var(--text-2);}
.rating-bar{
  height:9px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;
  border:1px solid rgba(255,255,255,.05);
}
.rating-bar i{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  box-shadow:0 0 16px rgba(61,220,255,.45);
}
.rating-row.warm .rating-bar i{background:linear-gradient(90deg,var(--orange),var(--amber));box-shadow:0 0 16px rgba(255,122,26,.45);}
.rating-score{
  font-size:15px;font-weight:700;color:#fff;text-align:right;
  font-variant-numeric:tabular-nums;
}
.rating-note{margin-top:18px;font-size:13.5px;color:var(--muted);}

/* ============ editorial note ============ */
.editor-note{
  margin-top:22px;padding:22px 24px;border-radius:var(--r-md);
  background:linear-gradient(120deg,rgba(27,107,255,.10),rgba(124,92,255,.07));
  border:1px solid rgba(61,220,255,.22);
  backdrop-filter:blur(12px) saturate(140%);
  position:relative;
}
.editor-note::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--purple));
}
.editor-note h4{font-size:14px;color:var(--cyan);letter-spacing:.6px;margin-bottom:8px;}
.editor-note p{margin:0;font-size:15px;color:var(--text-2);}

/* ============ figure ============ */
.figure-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;align-items:center;margin-top:22px;}
.figure-media{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(140deg,#0B1224,#111C33);
  aspect-ratio:16/10;
}
.figure-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.figure-media:hover img{transform:scale(1.03);}
.figure-copy p:last-child{margin-bottom:0;}
.stat-row{display:flex;gap:24px;flex-wrap:wrap;margin-top:14px;}
.stat-item{display:flex;flex-direction:column;}
.stat-item .num{
  font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  text-shadow:0 0 22px rgba(255,122,26,.35);
}
.stat-item .num.cool{text-shadow:0 0 22px rgba(61,220,255,.35);}
.stat-item .label{font-size:12.5px;color:var(--muted);}

/* ============ related reading ============ */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.read-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.read-card:hover{transform:translateY(-4px);border-color:rgba(61,220,255,.4);box-shadow:var(--shadow-card);}
.read-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#0B1224,#152241);}
.read-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.read-card:hover .read-cover img{transform:scale(1.03);}
.read-cover .badge-float{
  position:absolute;left:12px;top:12px;
  padding:5px 10px;border-radius:999px;font-size:12px;
  background:rgba(7,11,22,.72);border:1px solid var(--line);color:#CFE0F7;
  backdrop-filter:blur(8px);
}
.read-body{padding:20px 22px 22px;}
.read-body h3{font-size:18px;margin-bottom:10px;}
.read-body p{margin:0 0 14px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.read-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}
.read-meta .dot{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6;}

/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(61,220,255,.4);background:rgba(255,255,255,.06);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:none;border:0;color:#fff;text-align:left;
  font-size:16.5px;font-weight:600;line-height:1.5;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--cyan);font-size:16px;line-height:1;position:relative;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:rgba(61,220,255,.14);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-strip{
  position:relative;overflow:hidden;
  padding:44px 46px;border-radius:var(--r-xl);
  background:linear-gradient(115deg,rgba(27,107,255,.16),rgba(124,92,255,.10) 46%,rgba(255,122,26,.13));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-strip::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,220,255,.18),transparent 68%);
}
.cta-strip h2{margin-bottom:10px;}
.cta-strip p{margin:0;color:var(--text-2);font-size:15.5px;max-width:560px;}

/* ============ footer ============ */
.site-footer{
  margin-top:40px;padding:64px 0 32px;
  background:linear-gradient(180deg,rgba(11,18,36,.5),rgba(7,11,22,.96));
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:520px;height:1px;background:linear-gradient(90deg,transparent,rgba(61,220,255,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin:16px 0 0;max-width:330px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;letter-spacing:.4px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{color:var(--muted);font-size:14px;transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6E7D97;
}

/* ============ back to top ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(11,18,36,.9);border:1px solid var(--line);color:var(--cyan);
  backdrop-filter:blur(12px);
  box-shadow:0 14px 36px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,border-color .2s var(--ease),color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top:hover{color:#fff;border-color:rgba(61,220,255,.55);transform:translateY(-2px);}

/* ============ responsive ============ */
@media (max-width:1280px){
  .container{padding:0 22px;}
  .cmd-search{width:220px;}
}
@media (max-width:1080px){
  .layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;}
  .anchor-list{flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:4px;}
  .anchor-list li{flex:0 0 auto;}
  .anchor-list a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:10px;}
  .anchor-list a.is-active{border-bottom-color:var(--cyan);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  :root{--nav-h:60px;}
  .nav-menu{
    position:fixed;left:16px;right:16px;top:calc(var(--nav-h) + 10px);
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    padding:14px;border-radius:16px;
    background:rgba(11,18,36,.98);border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .22s var(--ease),opacity .22s var(--ease),visibility .22s;
    max-height:calc(100vh - 100px);overflow:auto;
  }
  .nav-menu.is-open{transform:none;opacity:1;visibility:visible;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .cmd-search{display:none;}
  .section{padding:72px 0;}
  .page-banner{padding:56px 0 48px;}
  .stage-flow{grid-template-columns:1fr;}
  .figure-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-tools .icon-btn{display:none;}
  .nav-tools .btn-primary{padding:9px 14px;font-size:13.5px;}
  .section{padding:56px 0;}
  .grade-block{padding:22px 18px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-strip{padding:30px 22px;}
  .rating-row{grid-template-columns:78px 1fr 46px;gap:10px;}
  .to-top{right:16px;bottom:18px;width:42px;height:42px;}
  .stat-row{gap:18px;}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .banner-sub{font-size:15px;}
  .point-list li{font-size:15px;}
  .section-head{margin-bottom:24px;}
  .brand-text{font-size:14.5px;}
  .brand-dot{width:10px;height:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}