/* roulang page: index */
:root{
  --bg-0:#070A12;
  --bg-1:#0C1220;
  --bg-2:#111A2B;
  --t-1:#EAF1FF;
  --t-2:#9FB0C8;
  --t-3:#63758F;
  --primary:#35E0D0;
  --primary-dim:rgba(53,224,208,.14);
  --second:#7C6BFF;
  --accent:#FF8A3D;
  --line:rgba(120,160,255,.14);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.10);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --pill:999px;
  --glow:0 0 0 1px rgba(53,224,208,.35),0 8px 30px rgba(53,224,208,.22);
  --shadow:0 18px 50px rgba(6,12,28,.55);
  --sans:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background-color:var(--bg-0);
  background-image:radial-gradient(rgba(120,160,255,.08) 1px,transparent 1px);
  background-size:22px 22px;
  color:var(--t-2);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4{color:var(--t-1);margin:0 0 12px;font-weight:700;line-height:1.25;letter-spacing:0}
p{margin:0 0 14px}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none;margin:0;padding:0}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(53,224,208,.28);color:#fff}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x.gap{margin-left:-12px;margin-right:-12px}
.grid-x.gap>.cell{padding-left:12px;padding-right:12px}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,rgba(53,224,208,0),var(--primary),rgba(124,107,255,.65),rgba(53,224,208,0));opacity:.32}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,10,18,.72);
  border-bottom:1px solid transparent;
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(53,224,208,0),rgba(53,224,208,.55),rgba(124,107,255,.55),rgba(53,224,208,0));
  opacity:.5;
}
.site-header.is-scrolled{
  background:rgba(7,10,18,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--glass-line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t-1);font-weight:700}
.brand:hover{color:var(--t-1)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--second));
  box-shadow:var(--glow);position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;
  background:rgba(4,16,26,.85);
}
.brand-text{font-size:16px;letter-spacing:0;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--pill);
  font-size:15px;color:var(--t-2);white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity .25s ease,transform .25s ease;
  box-shadow:0 0 12px rgba(53,224,208,.8);
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04)}
.nav-link:hover::after{opacity:.4;transform:scaleX(1)}
.nav-link.active{color:var(--t-1);background:rgba(53,224,208,.08)}
.nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--t-2);transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.08)}
.icon-btn svg{width:17px;height:17px;fill:currentColor}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);position:relative}
.menu-toggle span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--t-1);transition:transform .25s ease,opacity .25s ease}
.menu-toggle span:nth-child(1){top:14px}
.menu-toggle span:nth-child(2){top:20px}
.menu-toggle span:nth-child(3){top:26px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:#0A101C;border-left:1px solid var(--glass-line);
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  padding:88px 22px 30px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer .drawer-link{
  display:block;padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--t-2);font-size:15px;
}
.nav-drawer .drawer-link.active{color:var(--primary)}
.nav-drawer .drawer-cta{margin-top:22px}
.nav-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.7);backdrop-filter:blur(3px);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.nav-mask.open{opacity:1;pointer-events:auto}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--second));color:#04101A;box-shadow:var(--glow)}
.btn-primary:hover{color:#04101A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 36px rgba(53,224,208,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--t-1);backdrop-filter:blur(10px)}
.btn-ghost:hover{color:var(--t-1);border-color:rgba(53,224,208,.55);background:rgba(53,224,208,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color .2s ease,gap .2s ease}
.link-arrow:hover{border-color:var(--primary);gap:10px}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:52px 0 44px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.13;
}
.hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.22),rgba(124,107,255,.10) 45%,transparent 70%);
  filter:blur(20px);pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--pill);
  background:rgba(53,224,208,.10);border:1px solid rgba(53,224,208,.32);
  color:var(--primary);font-size:12px;letter-spacing:.08em;margin-bottom:18px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-grid{align-items:center}
.cover-box{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:#0B1020;
  border:1px solid var(--glass-line);aspect-ratio:16/9;box-shadow:var(--shadow);
}
.cover-box img{width:100%;height:100%;object-fit:cover}
.cover-box::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.35),rgba(7,10,18,.05) 40%,rgba(7,10,18,.72));
}
.cover-live{
  position:absolute;top:16px;left:16px;z-index:3;display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;border-radius:var(--pill);
  background:linear-gradient(120deg,var(--accent),#FF6A2A);color:#1B0A02;
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.cover-live .dot{width:6px;height:6px;border-radius:50%;background:#1B0A02;animation:pulse 1.4s infinite}
.cover-meta{
  position:absolute;right:16px;bottom:16px;z-index:3;display:flex;gap:8px;
}
.cover-meta span{
  height:26px;padding:0 11px;display:inline-flex;align-items:center;border-radius:var(--pill);
  background:rgba(7,10,18,.62);border:1px solid var(--glass-line);
  color:var(--t-1);font-size:12px;font-family:var(--mono);
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:82px;height:82px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:center;color:#fff;transition:all .25s ease;
}
.play-btn:hover{background:rgba(53,224,208,.24);border-color:rgba(53,224,208,.7);transform:translate(-50%,-50%) scale(1.06)}
.play-btn svg{width:26px;height:26px;fill:currentColor;margin-left:4px}
.hero-title{font-size:clamp(30px,4.4vw,48px);line-height:1.16;font-weight:700;margin:0 0 14px;color:var(--t-1)}
.hero-sub{font-size:16px;color:var(--t-2);margin:0 0 22px;max-width:520px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 24px;max-width:520px}
.cd-cell{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  padding:12px 6px;text-align:center;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cd-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--primary);line-height:1.15;text-shadow:0 0 16px rgba(53,224,208,.5)}
.cd-cell.accent .cd-num{color:var(--accent);text-shadow:0 0 16px rgba(255,138,61,.5)}
.cd-cell.accent .cd-num.flash{animation:flash .35s ease}
@keyframes flash{0%{opacity:.35}100%{opacity:1}}
.cd-label{font-size:12px;color:var(--t-3);letter-spacing:.08em;margin-top:4px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-status{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);padding-top:18px}
.status-item{flex:1 1 150px;min-width:130px}
.status-item dt{font-size:12px;color:var(--t-3);letter-spacing:.06em;margin-bottom:4px}
.status-item dd{margin:0;font-size:14px;color:var(--t-1);font-family:var(--mono)}

/* ============ section base ============ */
.sec{padding:76px 0;position:relative}
.sec--alt{background:var(--bg-1)}
.sec--deep{background:linear-gradient(180deg,var(--bg-0),var(--bg-2))}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:0 0 10px}
.sec-head p{margin:0;color:var(--t-3);font-size:14px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--primary);margin-bottom:10px}

/* ============ 看点列表 ============ */
.points-grid{display:grid;grid-template-columns:1fr;gap:0}
@media screen and (min-width:768px){.points-grid{grid-template-columns:1fr 1fr;column-gap:36px}}
.point{
  display:flex;gap:16px;padding:18px 16px 18px 14px;border-radius:var(--r-sm);
  border-bottom:1px solid var(--line);border-left:3px solid transparent;
  transition:background .22s ease,border-left-color .22s ease,transform .22s ease;
}
.point:hover{background:rgba(53,224,208,.05);border-left-color:var(--primary);transform:translateX(2px)}
.point-no{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--primary);flex:0 0 30px;padding-top:3px}
.point h3{font-size:18px;margin:0 0 6px;font-weight:600}
.point p{margin:0;font-size:14px;color:var(--t-2);line-height:1.7}

/* ============ 提醒订阅 ============ */
.panel{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:34px;box-shadow:var(--shadow);
}
.sub-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.field{flex:1 1 280px;min-width:0}
.field input{
  width:100%;height:48px;padding:0 18px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  color:var(--t-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--t-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(53,224,208,.16)}
.msg{min-height:22px;margin-top:14px;font-size:14px;color:var(--t-3)}
.msg.ok{color:var(--primary)}
.msg.err{color:var(--accent)}

/* ============ 分类入口 ============ */
.cat-card{
  display:block;height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:0 18px 44px rgba(6,12,28,.6)}
.cat-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.cat-card:hover .cat-thumb img{transform:scale(1.04)}
.cat-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0),rgba(7,10,18,.7))}
.cat-body{padding:20px 22px 24px}
.cat-body h3{font-size:18px;margin:0 0 8px}
.cat-body p{margin:0 0 14px;font-size:14px;color:var(--t-2)}

/* ============ 内容卡片 ============ */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:0 18px 44px rgba(6,12,28,.6)}
.news-cover{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1020}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--pill);
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.3);
  color:var(--primary);font-size:12px;letter-spacing:.08em;
}
.badge--solid{position:absolute;top:12px;left:12px;background:rgba(7,10,18,.72);backdrop-filter:blur(8px)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{
  font-size:17px;line-height:1.5;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--t-1)}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{
  font-size:14px;color:var(--t-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;
}
.news-time{font-family:var(--mono);font-size:12px;color:var(--t-3)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:rgba(255,255,255,.02);text-align:center;padding:30px;
}
.empty-state .ico{
  width:46px;height:46px;border-radius:50%;background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.3);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.empty-state strong{color:var(--t-1);font-size:16px;font-weight:600}
.empty-state span{color:var(--t-3);font-size:13px}

/* ============ 回放条 ============ */
.replay-strip{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.replay-strip::-webkit-scrollbar{height:6px}
.replay-strip::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px}
.replay-strip::-webkit-scrollbar-thumb{background:rgba(53,224,208,.35);border-radius:99px}
.replay-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:transform .25s ease,border-color .25s ease;
}
.replay-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4)}
.replay-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.replay-cover img{width:100%;height:100%;object-fit:cover}
.replay-cover .dur{
  position:absolute;right:10px;bottom:10px;height:24px;padding:0 10px;border-radius:var(--pill);
  background:rgba(7,10,18,.7);color:var(--t-1);font-size:12px;font-family:var(--mono);display:inline-flex;align-items:center;
}
.replay-cover .st{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:var(--pill);
  background:rgba(53,224,208,.14);border:1px solid rgba(53,224,208,.34);color:var(--primary);
  font-size:12px;display:inline-flex;align-items:center;
}
.replay-body{padding:14px 16px 18px}
.replay-body h3{font-size:15px;margin:0 0 6px;line-height:1.5}
.replay-body time{font-family:var(--mono);font-size:12px;color:var(--t-3)}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  padding:26px 30px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-bar h3{font-size:19px;margin:0 0 4px}
.cta-bar p{margin:0;font-size:13px;color:var(--t-3)}
.cta-bar .acts{display:flex;flex-wrap:wrap;gap:12px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease;
}
.faq-item.open{border-color:rgba(53,224,208,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;color:var(--t-1);text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--glass-line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:15px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:rgba(53,224,208,.14);border-color:rgba(53,224,208,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{margin:0;padding:0 22px 20px;font-size:14px;color:var(--t-2);line-height:1.8;animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ============ final cta ============ */
.final-cta{position:relative;overflow:hidden;padding:80px 0}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.final-cta .container{position:relative;z-index:2;text-align:center}
.final-cta h2{font-size:clamp(26px,3.4vw,38px);margin:0 0 14px}
.final-cta p{max-width:620px;margin:0 auto 26px;color:var(--t-2)}

/* ============ footer ============ */
.site-footer{background:#05080F;border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--t-1);font-weight:700}
.site-footer p{font-size:13px;color:var(--t-3);line-height:1.9;margin:0}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--t-3);font-weight:600;margin:0 0 16px;text-transform:none}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--t-2);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom span{font-size:13px;color:var(--t-3)}

/* ============ responsive ============ */
@media screen and (max-width:1023px){
  .main-nav,.nav-actions .btn{display:none}
  .menu-toggle{display:block}
  .nav-wrap{height:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:60px 0}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .grid-x.gap{margin-left:-8px;margin-right:-8px}
  .grid-x.gap>.cell{padding-left:8px;padding-right:8px}
  .hero{padding:34px 0 30px}
  .countdown{grid-template-columns:repeat(2,1fr);max-width:100%}
  .panel{padding:24px}
  .cta-bar{padding:22px}
  .cta-bar .acts{width:100%}
  .cta-bar .acts .btn{flex:1 1 auto}
  .play-btn{width:62px;height:62px}
  .play-btn svg{width:20px;height:20px}
  .sec{padding:52px 0}
  .replay-card{flex:0 0 250px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-status{gap:14px}
  .status-item{flex:1 1 100%}
}
@media screen and (max-width:519px){
  .brand-text{font-size:14px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .grid-x.gap{margin-left:0;margin-right:0}
  .grid-x.gap>.cell{padding-left:0;padding-right:0}
  .grid-x.gap>.cell+.cell{margin-top:16px}
  .cat-card,.news-card{margin-bottom:0}
  .replay-card{flex:0 0 82vw}
}

/* roulang page: article */
:root{
  --bg-0:#070A12;
  --bg-1:#0C1220;
  --bg-2:#111A2B;
  --primary:#35E0D0;
  --violet:#7C6BFF;
  --amber:#FF8A3D;
  --t-1:#EAF1FF;
  --t-2:#9FB0C8;
  --t-3:#63758F;
  --line:rgba(120,160,255,.14);
  --glass:rgba(255,255,255,.06);
  --glass-brd:rgba(255,255,255,.10);
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 8px 30px rgba(53,224,208,.22);
  --shadow:0 24px 60px rgba(6,12,28,.55);
  --r-1:10px;
  --r-2:16px;
  --r-3:22px;
  --r-pill:999px;
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(124,107,255,.16),transparent 62%),
    radial-gradient(900px 500px at 6% 0%,rgba(53,224,208,.13),transparent 60%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;}
.section-head p{margin-top:10px;color:var(--t-2);font-size:15px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(7,10,18,.94);box-shadow:0 12px 34px rgba(3,8,20,.6);}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--violet),transparent);
  opacity:.55;
  pointer-events:none;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:22px;height:22px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 14px rgba(53,224,208,.5);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--t-1);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--t-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--t-1);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(53,224,208,.85);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--glass-brd);
  background:rgba(255,255,255,.04);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:transform .2s ease,opacity .2s ease;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),#4FD9FF);
  color:#04101A;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 36px rgba(53,224,208,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-brd);
  color:var(--t-1);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(53,224,208,.08);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 6px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3);}
.breadcrumb a{color:var(--t-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(99,117,143,.6);}
.breadcrumb .current{color:var(--t-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:18px 0 0;}
.grid-margin-x.article-layout{margin-left:-12px;margin-right:-12px;}
.article-layout > .cell{padding-left:12px;padding-right:12px;}
.article-shell{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-3);
  padding:clamp(22px,3.2vw,44px);
  box-shadow:var(--shadow);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--primary);
  background:rgba(53,224,208,.12);
  border:1px solid rgba(53,224,208,.35);
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.005em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-top:16px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--t-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:rgba(53,224,208,.7);}

/* 移动端导读 */
.mobile-toc{
  display:none;
  margin-top:22px;
  background:var(--glass);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-2);
  padding:14px 18px;
}
.mobile-toc summary{
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:600;
  color:var(--t-1);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.mobile-toc summary::-webkit-details-marker{display:none;}
.mobile-toc summary::after{content:"+";color:var(--primary);font-size:18px;}
.mobile-toc[open] summary::after{content:"−";}
.mobile-toc ul{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.mobile-toc a{font-size:14px;color:var(--t-2);}
.mobile-toc a:hover{color:var(--primary);}

/* 正文排版 */
.article-body{margin-top:26px;font-size:16px;line-height:1.85;color:rgba(234,241,255,.86);word-wrap:break-word;}
.article-body p{margin:18px 0;}
.article-body h2{
  position:relative;
  margin:44px 0 16px;
  padding-left:16px;
  font-size:clamp(21px,2.5vw,27px);
  line-height:1.35;
  font-weight:700;
  color:var(--t-1);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;bottom:.34em;width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--violet));
  box-shadow:0 0 12px rgba(53,224,208,.55);
}
.article-body h3{margin:30px 0 12px;font-size:19px;line-height:1.45;font-weight:600;color:var(--t-1);}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--t-1);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(53,224,208,.4);}
.article-body a:hover{color:#7CF3E6;border-bottom-color:rgba(124,243,230,.7);}
.article-body ul,.article-body ol{margin:16px 0;padding-left:22px;}
.article-body ul li{list-style:disc;margin:8px 0;}
.article-body ol li{list-style:decimal;margin:8px 0;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--primary);
  background:rgba(255,255,255,.045);
  border-radius:0 var(--r-2) var(--r-2) 0;
  color:var(--t-2);
}
.article-body img{border-radius:16px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--t-3);}
.article-body pre{
  margin:22px 0;
  padding:16px 18px;
  background:#050810;
  border:1px solid var(--line);
  border-radius:12px;
  overflow-x:auto;
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.7;
  color:#A9C4E6;
}
.article-body code{
  font-family:var(--font-mono);
  font-size:.92em;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(53,224,208,.1);
  color:#8FF3E8;
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:rgba(53,224,208,.07);font-weight:600;color:var(--t-1);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body hr{border:0;height:1px;margin:34px 0;background:linear-gradient(90deg,transparent,rgba(53,224,208,.5),rgba(124,107,255,.4),transparent);}

.article-empty{
  margin-top:26px;
  min-height:260px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  background:var(--glass);
  border:1px dashed var(--glass-brd);
  border-radius:var(--r-2);
  padding:36px 22px;
}
.article-empty h2{font-size:20px;font-weight:700;}
.article-empty p{color:var(--t-2);font-size:14px;max-width:420px;}

/* 侧栏 */
.aside-sticky{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px;}
.panel{
  background:var(--glass);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-3);
  padding:20px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.panel-title{font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--t-1);margin-bottom:14px;}
.panel-list{display:flex;flex-direction:column;gap:4px;}
.panel-list a{
  display:block;
  padding:9px 12px;
  border-radius:var(--r-1);
  font-size:14px;
  color:var(--t-2);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.panel-list a:hover{background:rgba(53,224,208,.09);color:var(--t-1);padding-left:16px;}
.hot-list{display:flex;flex-direction:column;gap:12px;}
.hot-list li{border-bottom:1px solid var(--line);padding-bottom:12px;}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list a{display:block;font-size:14px;font-weight:600;color:var(--t-1);}
.hot-list a:hover{color:var(--primary);}
.hot-list a span{display:block;margin-top:4px;font-size:12.5px;font-weight:400;color:var(--t-3);line-height:1.6;}
.panel-cta p{font-size:13.5px;color:var(--t-2);margin-bottom:16px;}
.panel-cta .panel-title{margin-bottom:8px;}

/* 相关推荐 */
.section-related{padding-top:64px;}
.grid-margin-x.rec-grid{margin-left:-12px;margin-right:-12px;}
.rec-cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.rec-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-3);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.3);box-shadow:var(--shadow);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0) 40%,rgba(7,10,18,.72));}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rec-tag{align-self:flex-start;font-size:11px;letter-spacing:.08em;color:var(--amber);border:1px solid rgba(255,138,61,.4);background:rgba(255,138,61,.1);padding:2px 9px;border-radius:var(--r-pill);}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--t-1);}
.rec-body p{font-size:13.5px;line-height:1.7;color:var(--t-2);}
.rec-more{margin-top:auto;font-size:13px;color:var(--primary);}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-2);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(53,224,208,.28);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--t-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:none;
  font-size:20px;
  line-height:1;
  color:var(--primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 20px 18px;font-size:14.5px;line-height:1.8;color:var(--t-2);animation:faqFade .18s ease;}
@keyframes faqFade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* CTA 条 */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  padding:32px;
  border-radius:var(--r-3);
  border:1px solid var(--glass-brd);
  background:linear-gradient(120deg,rgba(53,224,208,.14),rgba(124,107,255,.18));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.3;font-weight:700;}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--t-2);max-width:560px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{margin-top:72px;padding:56px 0 0;background:#05080F;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:700;color:var(--t-1);}
.footer-col h4{margin:0 0 14px;font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--t-3);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--t-2);}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.8;color:var(--t-2);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .aside-sticky{position:static;}
  .mobile-toc{display:block;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1024px){
  .mobile-toc{display:none;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:fixed;
    top:68px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 18px 26px;
    background:rgba(7,10,18,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);
    opacity:0;
    pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:0;font-size:15.5px;}
  .nav-link.active::after{display:none;}
  .grid-margin-x.article-layout,
  .grid-margin-x.rec-grid{margin-left:-8px;margin-right:-8px;}
  .article-layout > .cell,
  .rec-cell{padding-left:8px;padding-right:8px;}
  .cta-band{padding:24px;}
  .breadcrumb .current{max-width:calc(100vw - 90px);}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .article-shell{padding:20px 18px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{flex:1;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070A12;
  --bg-1:#0C1220;
  --bg-2:#111A2B;
  --c-1:#35E0D0;
  --c-2:#7C6BFF;
  --c-3:#FF8A3D;
  --t-1:#EAF1FF;
  --t-2:#9FB0C8;
  --t-3:#63758F;
  --line:rgba(120,160,255,.14);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.10);
  --glow:0 0 0 1px rgba(53,224,208,.35),0 8px 30px rgba(53,224,208,.22);
  --r-1:10px;
  --r-2:16px;
  --r-3:22px;
  --pill:999px;
  --shadow:0 18px 50px rgba(6,12,28,.55);
  --shadow-soft:0 10px 30px rgba(6,12,28,.4);
  --max:1240px;
}

*,
*::before,
*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-2);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--t-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-1);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-1);outline-offset:2px;}

.mono{font-family:ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶栏导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,10,18,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,10,18,.94);
  box-shadow:0 12px 34px rgba(3,6,14,.6);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.55),rgba(124,107,255,.5),transparent);
  opacity:.7;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:70px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:16px;
  font-weight:700;
  color:var(--t-1);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--t-1);}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--c-1),var(--c-2));
  box-shadow:0 0 18px rgba(53,224,208,.5);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:3px;
  background:var(--bg-0);
  opacity:.85;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:14px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:var(--pill);
  font-size:14.5px;
  color:var(--t-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--c-1),var(--c-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease,opacity .22s ease;
  opacity:.4;
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);opacity:.75;}
.nav-link.active{
  color:var(--t-1);
  background:rgba(53,224,208,.08);
  box-shadow:var(--glow);
}
.nav-link.active::after{transform:scaleX(1);opacity:1;}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--pill);
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--t-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--c-1);border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.08);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-1),var(--c-2));
  color:#04101A;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04101A;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 36px rgba(53,224,208,.3);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--glass-line);
  color:var(--t-1);
}
.btn-ghost:hover{
  color:var(--t-1);
  border-color:rgba(53,224,208,.55);
  background:rgba(53,224,208,.08);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 通用标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--pill);
  font-size:12px;
  letter-spacing:.08em;
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--t-2);
}
.badge-live{
  border-color:rgba(255,138,61,.5);
  background:rgba(255,138,61,.12);
  color:var(--c-3);
}
.badge-teal{
  border-color:rgba(53,224,208,.45);
  background:rgba(53,224,208,.1);
  color:var(--c-1);
}

.section{padding:76px 0;position:relative;}
.section-alt{background:var(--bg-1);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--t-1);
  letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--t-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-1);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:linear-gradient(90deg,var(--c-1),transparent);
}
.divider-neon{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.5),rgba(124,107,255,.35),transparent);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t-3);
  padding:18px 0 0;
}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--c-1);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--t-2);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:34px 0 60px;
  background:
    linear-gradient(180deg,rgba(7,10,18,.72),rgba(7,10,18,.94)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-140px;
  top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.22),transparent 65%);
  filter:blur(10px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(160,200,255,.1) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:36px;
  align-items:start;
  margin-top:26px;
}
.hero-title{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  font-weight:700;
  color:var(--t-1);
  letter-spacing:-.02em;
}
.hero-lead{
  margin-top:18px;
  font-size:16.5px;
  color:var(--t-2);
  max-width:640px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-panel{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-3);
  padding:22px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.hero-panel h3{
  font-size:17px;
  color:var(--t-1);
  font-weight:600;
  margin-bottom:14px;
}
.hero-panel .stat-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.hero-panel .stat-row:last-of-type{border-bottom:0;}
.hero-panel .stat-row span:first-child{color:var(--t-3);}
.hero-panel .stat-row span:last-child{color:var(--t-1);font-weight:600;}
.hero-panel .stat-row .mono{color:var(--c-1);}

/* ---------- 左图右表 ---------- */
.split-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:36px;
  align-items:start;
}
.media-frame{
  position:relative;
  border-radius:var(--r-3);
  overflow:hidden;
  border:1px solid var(--glass-line);
  background:var(--bg-2);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.media-frame:hover img{transform:scale(1.04);}
.media-frame .media-tag{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  background:rgba(7,10,18,.72);
  border:1px solid rgba(255,138,61,.45);
  color:var(--c-3);
  font-size:12px;
  letter-spacing:.08em;
  padding:4px 12px;
  border-radius:var(--pill);
  backdrop-filter:blur(8px);
}
.media-frame .media-note{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(7,10,18,.9));
  font-size:13px;
  color:var(--t-2);
}

.point-list{display:grid;gap:14px;}
.point-item{
  display:flex;
  gap:16px;
  padding:18px 20px;
  border-radius:var(--r-2);
  border:1px solid var(--glass-line);
  background:var(--glass);
  transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.point-item:hover{
  background:rgba(53,224,208,.06);
  border-color:rgba(53,224,208,.32);
  transform:translateY(-3px);
  box-shadow:var(--shadow-soft);
}
.point-item .pi-index{
  flex:0 0 auto;
  width:34px;
  height:34px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:14px;
  color:var(--c-1);
  background:rgba(53,224,208,.1);
  border:1px solid rgba(53,224,208,.28);
}
.point-item h3{
  font-size:16.5px;
  font-weight:600;
  color:var(--t-1);
  margin-bottom:6px;
}
.point-item p{font-size:14.5px;color:var(--t-2);}

/* ---------- 流程时间线 ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
  margin-top:12px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:22px;
  right:22px;
  top:19px;
  height:2px;
  background:linear-gradient(90deg,rgba(53,224,208,.55),rgba(124,107,255,.35),transparent);
  border-radius:2px;
}
.tl-item{position:relative;padding-top:56px;}
.tl-item::before{
  content:"";
  position:absolute;
  top:10px;
  left:0;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--c-1);
  box-shadow:0 0 0 5px rgba(53,224,208,.12),0 0 18px rgba(53,224,208,.5);
}
.tl-item .tl-step{
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-1);
}
.tl-item h3{
  margin-top:8px;
  font-size:17px;
  font-weight:600;
  color:var(--t-1);
}
.tl-item p{margin-top:8px;font-size:14.5px;color:var(--t-2);}

/* ---------- 场次卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.show-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-3);
  border:1px solid var(--glass-line);
  background:var(--bg-2);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.show-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,208,.34);
  box-shadow:var(--shadow);
}
.show-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-1);
}
.show-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.show-card:hover .show-cover img{transform:scale(1.04);}
.show-cover .cover-tag{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  font-size:12px;
  letter-spacing:.08em;
  padding:4px 11px;
  border-radius:var(--pill);
  background:rgba(7,10,18,.75);
  border:1px solid rgba(255,138,61,.45);
  color:var(--c-3);
  backdrop-filter:blur(8px);
}
.show-cover .cover-time{
  position:absolute;
  right:12px;
  bottom:12px;
  z-index:2;
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--pill);
  background:rgba(7,10,18,.78);
  border:1px solid var(--glass-line);
  color:var(--t-2);
  font-family:ui-monospace,"JetBrains Mono",monospace;
}
.show-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.show-body h3{
  font-size:17.5px;
  font-weight:600;
  color:var(--t-1);
  line-height:1.45;
}
.show-body p{font-size:14.5px;color:var(--t-2);flex:1 1 auto;}
.show-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--t-3);
}
.show-foot .mono{color:var(--t-2);}

/* ---------- 订阅表单 ---------- */
.subscribe-panel{
  border-radius:var(--r-3);
  border:1px solid var(--glass-line);
  background:linear-gradient(135deg,rgba(53,224,208,.09),rgba(124,107,255,.08));
  backdrop-filter:blur(14px);
  padding:34px;
  box-shadow:var(--shadow-soft);
}
.subscribe-panel h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--t-1);
  font-weight:700;
  line-height:1.28;
}
.subscribe-panel > p{margin-top:12px;font-size:15px;color:var(--t-2);max-width:620px;}
.subscribe-form{
  display:flex;
  gap:12px;
  margin-top:24px;
  flex-wrap:wrap;
}
.subscribe-form input[type="email"]{
  flex:1 1 300px;
  min-width:0;
  height:48px;
  padding:0 18px;
  border-radius:var(--r-1);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  color:var(--t-1);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.subscribe-form input[type="email"]::placeholder{color:var(--t-3);}
.subscribe-form input[type="email"]:focus{
  outline:none;
  border-color:var(--c-1);
  background:rgba(53,224,208,.06);
  box-shadow:0 0 0 4px rgba(53,224,208,.14);
}
.form-msg{
  margin-top:14px;
  font-size:14px;
  min-height:22px;
  color:var(--t-3);
}
.form-msg.is-ok{color:var(--c-1);}
.form-msg.is-err{color:var(--c-3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-2);
  border:1px solid var(--glass-line);
  background:var(--glass);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item.is-open{border-color:rgba(53,224,208,.35);background:rgba(53,224,208,.06);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--t-1);
  line-height:1.5;
}
.faq-q:hover{color:var(--c-1);}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--glass-line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-1);
  font-size:14px;
  transition:transform .22s ease,background .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(53,224,208,.14);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{
  padding:0 22px 20px;
  font-size:14.5px;
  color:var(--t-2);
  opacity:0;
  transition:opacity .18s ease;
}
.faq-item.is-open .faq-a p{opacity:1;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  border-radius:var(--r-3);
  border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(53,224,208,.12),rgba(124,107,255,.12));
  backdrop-filter:blur(14px);
  padding:30px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-soft);
}
.cta-bar h2{
  font-size:clamp(20px,2.3vw,26px);
  color:var(--t-1);
  font-weight:700;
  line-height:1.35;
}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--t-2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#05080F;
  border-top:1px solid var(--line);
  padding:58px 0 26px;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--t-1);
  margin-bottom:14px;
}
.footer-col p{font-size:14px;color:var(--t-3);line-height:1.8;max-width:340px;}
.footer-col h4{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--t-3);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--t-2);
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-col ul a:hover{color:var(--c-1);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{min-height:64px;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    width:min(320px,84vw);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:86px 20px 26px;
    background:rgba(9,13,24,.98);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:90;
    margin-left:0;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 12px;border-radius:var(--r-1);font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:rgba(53,224,208,.1);}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .split-grid{grid-template-columns:1fr;gap:26px;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px;}
  .timeline::before{display:none;}
  .tl-item{padding-top:44px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero{padding:22px 0 46px;}
  .hero-grid{margin-top:20px;}
  .hero-actions .btn{flex:1 1 auto;}
  .subscribe-panel{padding:24px;}
  .cta-bar{padding:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .card-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .hero-title{font-size:clamp(26px,7.5vw,34px);}
  .show-foot{flex-direction:column;align-items:flex-start;gap:6px;}
  .point-item{padding:16px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070A12;
  --bg-1:#0C1220;
  --bg-2:#111A2B;
  --t-1:#EAF1FF;
  --t-2:#9FB0C8;
  --t-3:#63758F;
  --c-1:#35E0D0;
  --c-2:#7C6BFF;
  --c-3:#FF8A3D;
  --line:rgba(120,160,255,.14);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.10);
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-pill:999px;
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 8px 30px rgba(53,224,208,.22);
  --shadow:0 18px 45px rgba(6,12,28,.55);
  --maxw:1240px;
  --font-cn:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(53,224,208,.10), transparent 62%),
    radial-gradient(760px 480px at 6% 12%, rgba(124,107,255,.10), transparent 60%),
    var(--bg-0);
  color:var(--t-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--t-1);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
img{max-width:100%;display:block;border-radius:var(--r-m);}
button,input{font-family:inherit;font-size:inherit;}
ul{list-style:none;margin:0;padding:0;}
::selection{background:rgba(53,224,208,.3);color:#fff;}
:focus-visible{outline:2px solid var(--c-1);outline-offset:3px;border-radius:6px;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:78px 0;position:relative;}
.section.alt{background:var(--bg-1);}
.section-sep{height:1px;background:linear-gradient(90deg,transparent,rgba(53,224,208,.55),rgba(124,107,255,.4),transparent);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--c-1);text-transform:uppercase;margin-bottom:14px;}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-1),var(--c-2));}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
h3{font-size:19px;line-height:1.45;}
.sec-head p{margin-top:14px;color:var(--t-2);font-size:15.5px;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.6),rgba(124,107,255,.5),transparent);
  opacity:.5;transition:opacity .28s ease;
}
.site-header.scrolled{background:rgba(7,10,18,.92);backdrop-filter:blur(14px);border-bottom-color:var(--glass-line);}
.site-header.scrolled::after{opacity:1;}
.nav-inner{display:flex;align-items:center;gap:26px;height:70px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-1),var(--c-2));
  box-shadow:0 0 18px rgba(53,224,208,.55);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;background:rgba(7,10,18,.85);
}
.brand-text{color:var(--t-1);font-weight:700;font-size:16px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:var(--r-s);
  font-size:14.5px;color:var(--t-2);white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-1),var(--c-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;opacity:.85;
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(.45);}
.nav-link.active{color:var(--t-1);text-shadow:0 0 14px rgba(53,224,208,.6);}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(53,224,208,.7);}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-s);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  color:var(--t-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:.22s ease;
}
.icon-btn:hover{color:var(--c-1);border-color:rgba(53,224,208,.4);background:rgba(53,224,208,.08);}
.hamburger{
  display:none;width:42px;height:40px;border-radius:var(--r-s);cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:.25s;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:80;
  background:linear-gradient(180deg,#0A101C,#070A12);
  border-left:1px solid var(--glass-line);
  transform:translateX(105%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  padding:26px 22px;overflow-y:auto;
  box-shadow:-24px 0 60px rgba(0,0,0,.5);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-head .brand-text{font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer-nav a{
  padding:13px 12px;border-radius:var(--r-s);color:var(--t-2);font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--t-1);background:rgba(53,224,208,.08);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.66);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .3s ease;backdrop-filter:blur(3px);
}
.drawer-mask.show{opacity:1;pointer-events:auto;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-1),#4FC9FF 55%,var(--c-2));
  color:#04101A;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 38px rgba(53,224,208,.32);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:var(--glass);border-color:var(--glass-line);color:var(--t-1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(53,224,208,.55);background:rgba(53,224,208,.08);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:7px;color:var(--c-1);font-weight:600;font-size:14.5px;
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-text:hover{border-bottom-color:var(--c-1);}

/* ============ Badges / Tags ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.32);color:#8FF3E9;
}
.badge-live{background:rgba(255,138,61,.16);border-color:rgba(255,138,61,.42);color:#FFC49A;}
.badge-violet{background:rgba(124,107,255,.16);border-color:rgba(124,107,255,.36);color:#C6BEFF;}

/* ============ Hero banner ============ */
.page-hero{
  position:relative;padding:92px 0 74px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,10,18,.82),rgba(7,10,18,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.72;
}
.page-hero .hero-glow{
  position:absolute;width:520px;height:520px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.22),transparent 68%);
  filter:blur(18px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--t-3);margin-bottom:24px;}
.crumb a:hover{color:var(--c-1);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--t-2);}
.page-hero h1{
  font-size:clamp(34px,5vw,56px);line-height:1.15;font-weight:700;max-width:940px;
}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--c-1),#7FE9FF 45%,var(--c-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{margin-top:20px;font-size:16.5px;line-height:1.8;color:var(--t-2);max-width:720px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

/* ============ Subnav ============ */
.subnav{
  position:sticky;top:70px;z-index:40;
  background:rgba(12,18,32,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:12px 0;
}
.subnav-inner{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav a{
  flex-shrink:0;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--t-2);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);transition:.22s;
}
.subnav a:hover{color:var(--t-1);border-color:rgba(53,224,208,.45);background:rgba(53,224,208,.09);}

/* ============ Stat cards ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-l);
  padding:24px 22px;backdrop-filter:blur(14px);transition:.28s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.32);box-shadow:var(--shadow);}
.stat-card .num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--c-1);line-height:1.1;
  text-shadow:0 0 20px rgba(53,224,208,.4);
}
.stat-card .num small{font-size:14px;color:var(--t-3);margin-left:4px;font-weight:500;}
.stat-card h3{font-size:15px;margin-top:12px;font-weight:600;}
.stat-card p{font-size:13.5px;color:var(--t-3);margin-top:7px;line-height:1.6;}

/* ============ Timeline ============ */
.timeline{position:relative;max-width:1020px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(53,224,208,0),rgba(53,224,208,.6) 12%,rgba(124,107,255,.5) 78%,rgba(124,107,255,0));
}
.tl-item{position:relative;width:50%;padding:0 52px 34px 0;}
.tl-item.right{margin-left:50%;padding:0 0 34px 52px;}
.tl-item::after{
  content:"";position:absolute;top:26px;width:13px;height:13px;border-radius:50%;
  background:var(--c-1);box-shadow:0 0 0 5px rgba(53,224,208,.13),0 0 20px rgba(53,224,208,.85);
  z-index:3;
}
.tl-item.left::after{right:-7px;}
.tl-item.right::after{left:-7px;}
.tl-item.right::after{background:var(--c-2);box-shadow:0 0 0 5px rgba(124,107,255,.13),0 0 20px rgba(124,107,255,.8);}
.tl-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:18px;
  padding:20px 22px;backdrop-filter:blur(14px);transition:.28s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.36);box-shadow:var(--shadow);}
.tl-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.tl-date{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px;font-weight:600;color:var(--c-1);letter-spacing:.05em;}
.tl-card h3{font-size:17.5px;margin-bottom:8px;}
.tl-card p{font-size:14px;color:var(--t-2);line-height:1.7;}

/* ============ Scope cards ============ */
.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scope-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;display:flex;flex-direction:column;transition:.3s ease;
}
.scope-card:hover{transform:translateY(-5px);border-color:rgba(53,224,208,.34);box-shadow:var(--shadow);}
.scope-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.scope-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.scope-card:hover .scope-media img{transform:scale(1.04);}
.scope-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.05),rgba(17,26,43,.85));}
.scope-media .badge{position:absolute;left:14px;top:14px;z-index:3;background:rgba(7,10,18,.7);backdrop-filter:blur(6px);}
.scope-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scope-body h3{font-size:18px;}
.scope-body p{font-size:14px;color:var(--t-2);}
.scope-list{margin-top:2px;display:flex;flex-direction:column;gap:8px;}
.scope-list li{font-size:13.5px;color:var(--t-2);padding-left:18px;position:relative;}
.scope-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;
  background:linear-gradient(135deg,var(--c-1),var(--c-2));
}

/* ============ Subscribe ============ */
.subscribe-panel{
  background:linear-gradient(135deg,rgba(53,224,208,.10),rgba(124,107,255,.10));
  border:1px solid var(--glass-line);border-radius:var(--r-l);
  padding:38px 34px;backdrop-filter:blur(14px);
}
.subscribe-panel h2{font-size:clamp(22px,2.6vw,30px);}
.subscribe-panel > p{margin-top:12px;font-size:15px;color:var(--t-2);max-width:620px;}
.sub-form{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.sub-form input{
  flex:1;min-width:230px;height:48px;padding:0 18px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--t-1);
  transition:.22s ease;
}
.sub-form input::placeholder{color:var(--t-3);}
.sub-form input:focus{outline:none;border-color:var(--c-1);box-shadow:0 0 0 3px rgba(53,224,208,.16);}
.form-msg{margin-top:14px;font-size:13.5px;min-height:20px;color:var(--c-1);}
.form-msg.err{color:#FF9E8A;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-m);
  backdrop-filter:blur(12px);overflow:hidden;transition:.26s ease;
}
.faq-item[open]{border-color:rgba(53,224,208,.36);box-shadow:0 12px 34px rgba(6,12,28,.5);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;
  color:var(--t-1);font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  margin-left:auto;width:24px;height:24px;flex-shrink:0;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.3);
  color:var(--c-1);font-size:14px;transition:transform .24s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--t-2);animation:fade .18s ease;}
@keyframes fade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ CTA bar ============ */
.cta-bar{
  background:linear-gradient(120deg,rgba(53,224,208,.14),rgba(124,107,255,.14));
  border:1px solid var(--glass-line);border-radius:var(--r-l);
  padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  backdrop-filter:blur(14px);flex-wrap:wrap;
}
.cta-bar h3{font-size:21px;}
.cta-bar p{font-size:14px;color:var(--t-2);margin-top:8px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{background:#05080F;border-top:1px solid var(--line);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--t-1);font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--t-3);line-height:1.75;max-width:330px;}
.footer-col h4{font-size:12.5px;letter-spacing:.14em;color:var(--t-3);text-transform:uppercase;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--t-2);display:inline-block;transition:transform .22s ease,color .22s ease;}
.footer-col ul a:hover{color:var(--c-1);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .nav-inner{height:64px;gap:16px;}
  .subnav{top:64px;}
  .section{padding:64px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .scope-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .page-hero{padding:66px 0 54px;}
  .hero-lead{font-size:15.5px;}
  .timeline::before{left:9px;transform:none;}
  .tl-item,.tl-item.right{width:100%;margin-left:0;padding:0 0 26px 38px;}
  .tl-item.left::after,.tl-item.right::after{left:3px;right:auto;top:24px;}
  .scope-grid{grid-template-columns:1fr;}
  .subscribe-panel{padding:28px 22px;}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:14.5px;}
  .btn{width:100%;}
  .nav-tools .btn{width:auto;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070A12; --bg-1:#0C1220; --bg-2:#111A2B;
  --t-1:#EAF1FF; --t-2:#9FB0C8; --t-3:#63758F;
  --main:#35E0D0; --main-2:#7C6BFF; --accent:#FF8A3D;
  --line:rgba(120,160,255,.14); --glass:rgba(255,255,255,.06); --glass-line:rgba(255,255,255,.10);
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 8px 30px rgba(53,224,208,.22);
  --shadow:0 18px 40px rgba(6,12,28,.55);
  --r-s:10px; --r-m:16px; --r-l:22px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--bg-0);color:var(--t-2);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--t-1);margin:0;font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.16}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0 0 16px}
a{color:var(--main);text-decoration:none;transition:color .2s}
a:hover{color:#7ff2e6}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:76px 0;position:relative}
.section.alt{background:var(--bg-1)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  color:var(--main);text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--main),transparent)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head p{margin:12px 0 0;color:var(--t-2);font-size:15.5px}
.divider-neon{height:1px;background:linear-gradient(90deg,var(--main),var(--main-2),transparent);opacity:.55;border:0;margin:0}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,10,18,.80);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s,border-color .25s;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.55),rgba(124,107,255,.45),transparent);
  opacity:.75;
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:0 24px;height:70px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--t-1);font-weight:700;font-size:17px;white-space:nowrap;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--main),var(--main-2));
  box-shadow:0 0 16px rgba(53,224,208,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;background:rgba(4,16,26,.85);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:22px;flex:1 1 auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;
  color:var(--t-2);font-size:14.5px;white-space:nowrap;transition:color .22s,background .22s;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--main),var(--main-2));
  transform:scaleX(0);transform-origin:center;transition:transform .24s;opacity:.9;
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(.4)}
.nav-link.active{color:#fff;background:rgba(53,224,208,.08)}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(53,224,208,.6)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--t-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.22s;
}
.icon-btn:hover{color:var(--main);border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.08)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;font-weight:600;
  transition:transform .2s,box-shadow .25s,background .25s,border-color .25s,color .25s,filter .25s;
  text-align:center;line-height:1.2;
}
.btn-primary{
  height:46px;padding:0 22px;border-radius:999px;color:#04101A;
  background:linear-gradient(135deg,var(--main),#59e8c9 55%,var(--main-2));
  box-shadow:var(--glow);font-size:15px;
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04101A;box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 36px rgba(53,224,208,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  height:46px;padding:0 20px;border-radius:999px;font-size:15px;
  color:var(--t-1);background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:#fff;border-color:rgba(53,224,208,.55);background:rgba(53,224,208,.08);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:12px}
.btn:focus-visible,.icon-btn:focus-visible,a:focus-visible{outline:2px solid var(--main);outline-offset:2px}
.nav-cta{height:42px;padding:0 18px;font-size:14.5px}
.hamburger{display:none}

.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,16,.62);z-index:190;opacity:0;pointer-events:none;transition:opacity .28s;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:200;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,.9,.3,1);
  display:flex;flex-direction:column;padding:22px 20px 26px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  color:var(--t-2);padding:14px 12px;border-radius:12px;font-size:15px;
  border-bottom:1px solid rgba(120,160,255,.08);transition:.2s;
}
.drawer-nav a:hover{color:#fff;background:rgba(53,224,208,.07)}
.drawer-nav a.active{color:var(--main);background:rgba(53,224,208,.10)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- hero banner ---------- */
.page-hero{
  position:relative;padding:66px 0 58px;overflow:hidden;
  background:linear-gradient(180deg,rgba(7,10,18,.72),rgba(7,10,18,.94)),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.20),transparent 68%);filter:blur(6px);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t-3);margin-bottom:20px}
.crumbs a{color:var(--t-2)}
.crumbs a:hover{color:var(--main)}
.crumbs span.sep{color:var(--t-3);opacity:.7}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.35);
  color:var(--main);font-size:12px;letter-spacing:.08em;font-weight:600;margin-bottom:18px;
}
.hero-badge i{font-size:11px}
.page-hero p.lead{max-width:720px;font-size:16.5px;color:var(--t-2);margin:18px 0 26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;color:var(--t-2);background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.tag i{color:var(--main);font-size:11px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;
}
.stat-card{
  flex:1 1 180px;min-width:170px;padding:16px 18px;border-radius:var(--r-m);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.stat-card b{display:block;font-family:var(--mono);font-size:26px;color:var(--main);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-card span{font-size:13px;color:var(--t-3)}

/* ---------- anchor filter bar ---------- */
.anchor-bar{
  position:sticky;top:70px;z-index:80;
  background:rgba(12,18,32,.90);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:12px 24px;max-width:1240px;margin:0 auto;
  scrollbar-width:thin;
}
.anchor-scroll::-webkit-scrollbar{height:4px}
.anchor-scroll::-webkit-scrollbar-thumb{background:rgba(53,224,208,.35);border-radius:4px}
.anchor-scroll a{
  flex:0 0 auto;padding:8px 15px;border-radius:999px;font-size:13.5px;color:var(--t-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);transition:.22s;white-space:nowrap;
}
.anchor-scroll a:hover{color:#fff;border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.09)}
.anchor-scroll a.active{
  color:#04101A;background:linear-gradient(135deg,var(--main),#59e8c9);
  border-color:transparent;box-shadow:0 0 0 1px rgba(53,224,208,.4),0 8px 22px rgba(53,224,208,.22);
}

/* ---------- layout: 左标签 + 右紧凑列表 ---------- */
.split-grid{gap:34px}
.filter-panel{
  position:sticky;top:150px;
  padding:20px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.filter-panel h3{font-size:14px;letter-spacing:.06em;color:var(--t-3);font-weight:600;margin-bottom:14px;text-transform:none}
.filter-list{display:flex;flex-direction:column;gap:6px}
.filter-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:var(--r-s);font-size:14px;color:var(--t-2);
  border-left:3px solid transparent;transition:.2s;
}
.filter-list a:hover{background:rgba(53,224,208,.06);color:#fff;border-left-color:rgba(53,224,208,.55)}
.filter-list a.active{background:rgba(53,224,208,.10);color:var(--main);border-left-color:var(--main)}
.filter-list a .cnt{font-family:var(--mono);font-size:12px;color:var(--t-3)}
.filter-note{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t-3);line-height:1.7}

.compact-group{margin-bottom:34px}
.compact-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.group-head .idx{
  font-family:var(--mono);font-size:13px;color:var(--main);
  padding:3px 9px;border-radius:8px;background:rgba(53,224,208,.10);border:1px solid rgba(53,224,208,.28);
}
.qa-list{
  border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);
  background:rgba(255,255,255,.028);
}
.qa-row{
  display:grid;grid-template-columns:40px 1fr auto;gap:14px;align-items:start;
  padding:13px 16px;border-bottom:1px solid var(--line);
  transition:background .2s,box-shadow .2s;
}
.qa-row:last-child{border-bottom:0}
.qa-row:hover{background:rgba(53,224,208,.055);box-shadow:inset 3px 0 0 var(--main)}
.qa-row .no{font-family:var(--mono);font-size:13px;color:var(--t-3);padding-top:3px;font-variant-numeric:tabular-nums}
.qa-row h3{font-size:15.5px;font-weight:600;margin-bottom:3px}
.qa-row p{margin:0;font-size:13.5px;color:var(--t-2);line-height:1.65}
.mini-tag{
  flex:0 0 auto;font-size:11.5px;padding:3px 10px;border-radius:999px;
  color:var(--main);background:rgba(53,224,208,.10);border:1px solid rgba(53,224,208,.25);
  white-space:nowrap;
}
.mini-tag.warn{color:var(--accent);background:rgba(255,138,61,.10);border-color:rgba(255,138,61,.30)}

/* ---------- ranking ---------- */
.rank-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start}
.rank-list{display:flex;flex-direction:column;gap:10px}
.rank-item{
  display:grid;grid-template-columns:34px 1fr auto;gap:14px;align-items:center;
  padding:14px 16px;border-radius:var(--r-m);
  background:rgba(255,255,255,.03);border:1px solid var(--line);transition:.24s;
}
.rank-item:hover{transform:translateY(-3px);border-color:rgba(53,224,208,.45);background:rgba(53,224,208,.06);box-shadow:0 14px 30px rgba(6,12,28,.5)}
.rank-item .num{font-family:var(--mono);font-size:17px;color:var(--main);font-variant-numeric:tabular-nums}
.rank-item h3{font-size:15px;font-weight:600;margin-bottom:6px}
.meter{height:4px;border-radius:4px;background:rgba(120,160,255,.14);overflow:hidden}
.meter i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--main),var(--main-2))}
.rank-item .heat{font-family:var(--mono);font-size:12.5px;color:var(--t-3);white-space:nowrap}
.rank-photo{
  border-radius:var(--r-l);overflow:hidden;border:1px solid var(--glass-line);
  background:var(--glass);box-shadow:var(--shadow);
}
.rank-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.rank-photo figcaption{padding:14px 18px;font-size:13.5px;color:var(--t-2);line-height:1.7;border-top:1px solid var(--line)}
.rank-photo figcaption b{color:var(--t-1);display:block;margin-bottom:4px;font-size:15px}

/* ---------- compare cards ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-card{
  padding:22px;border-radius:var(--r-l);border:1px solid var(--line);
  background:rgba(255,255,255,.03);transition:.24s;
}
.compare-card:hover{border-color:rgba(53,224,208,.4);box-shadow:0 16px 34px rgba(6,12,28,.5)}
.compare-card h3{display:flex;align-items:center;gap:9px;font-size:16px;margin-bottom:14px}
.compare-card h3 i{font-size:14px}
.compare-card.bad h3 i{color:var(--accent)}
.compare-card.good h3 i{color:var(--main)}
.compare-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.compare-card li{position:relative;padding-left:20px;font-size:14px;color:var(--t-2);line-height:1.7}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--t-3)}
.compare-card.good li::before{background:var(--main);box-shadow:0 0 8px rgba(53,224,208,.6)}
.compare-card.bad li::before{background:var(--accent);box-shadow:0 0 8px rgba(255,138,61,.5)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border-radius:var(--r-m);border:1px solid var(--line);
  background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  margin-bottom:12px;overflow:hidden;transition:border-color .24s,background .24s;
}
.faq-item[open]{border-color:rgba(53,224,208,.42);background:rgba(53,224,208,.045)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  color:var(--t-1);font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--main)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(53,224,208,.10);color:var(--main);font-size:13px;transition:transform .22s;
}
.faq-item[open] .faq-icon{transform:rotate(135deg)}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--t-2);line-height:1.8;animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.cta-bar{
  border-radius:var(--r-l);padding:30px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(53,224,208,.14),rgba(124,107,255,.12));
  border:1px solid var(--glass-line);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:6px}
.cta-bar p{margin:0;font-size:14.5px;color:var(--t-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#05080F;border-top:1px solid var(--line);padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--t-1);font-weight:700;font-size:16.5px;margin-bottom:14px}
.footer-col p{font-size:13.8px;color:var(--t-3);line-height:1.8;margin:0}
.footer-col h4{font-size:12.5px;letter-spacing:.12em;color:var(--t-3);font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col ul a{color:var(--t-2);font-size:14px;display:inline-block;transition:.2s}
.footer-col ul a:hover{color:var(--main);transform:translateX(2px)}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-actions .icon-btn.search{display:none}
  .hamburger{display:inline-flex}
  .split-grid{gap:20px}
  .filter-panel{position:static;margin-bottom:8px}
  .filter-list{flex-direction:row;flex-wrap:wrap}
  .filter-list a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px}
  .filter-list a.active{border-color:rgba(53,224,208,.5)}
  .rank-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{padding:0 18px;height:64px}
  .brand{font-size:15.5px}
  .section{padding:56px 0}
  .page-hero{padding:48px 0 42px}
  .anchor-bar{top:64px}
  .anchor-scroll{padding:10px 18px}
  .compare-grid{grid-template-columns:1fr}
  .qa-row{grid-template-columns:32px 1fr;gap:10px}
  .qa-row .mini-tag{grid-column:2;justify-self:start;margin-top:6px}
  .cta-bar{padding:24px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media screen and (max-width:520px){
  h1{font-size:28px}
  .hero-stats{gap:10px}
  .stat-card{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .nav-cta{display:none}
  .rank-item{grid-template-columns:28px 1fr;gap:10px}
  .rank-item .heat{grid-column:2;justify-self:start}
}