/* roulang page: index */
:root{
  --bg:#0B0F14;
  --bg-soft:#10161E;
  --panel:#151C26;
  --panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --primary:#2BE0B7;
  --primary-ink:#04140F;
  --accent:#7A5CFF;
  --hot:#FF6A3D;
  --text:#E9EEF6;
  --text-2:#9BA8BC;
  --text-3:#6B788C;
  --danger:#FF5E5E;
  --radius-card:14px;
  --radius-media:18px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 18px 40px rgba(0,0,0,.5);
  --container:1200px;
  --space:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:76px;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--primary);}
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(--primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:600px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){:root{--container:1280px;}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 20px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:var(--primary-ink);}
.btn-primary:hover{background:#3AECc4;color:var(--primary-ink);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(43,224,183,.18),0 14px 28px rgba(43,224,183,.18);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.2);}
.btn-ghost:hover{background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.55);color:var(--text);transform:translateY(-1px);}
.btn-hot{background:rgba(255,106,61,.14);color:var(--hot);border-color:rgba(255,106,61,.38);}
.btn-hot:hover{background:rgba(255,106,61,.22);color:#FFB79A;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary);}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}
.link-underline{position:relative;color:var(--primary);}
.link-underline::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--primary);transition:width .25s ease;}
.link-underline:hover::after{width:100%;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  line-height:1.5;
  white-space:nowrap;
}
.badge-live{background:rgba(255,106,61,.16);color:var(--hot);}
.badge-soon{background:rgba(122,92,255,.18);color:#B5A4FF;}
.badge-replay{background:rgba(155,168,188,.16);color:var(--text-2);}
.badge-soft{background:rgba(43,224,183,.14);color:var(--primary);}

.section{padding:56px 0;}
@media (min-width:600px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,3.4vw,32px);font-weight:700;letter-spacing:.4px;}
.section-head p{margin-top:8px;color:var(--text-2);font-size:14px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--primary);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:inline-block;border-radius:2px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#12A98B);
  color:var(--primary-ink);font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(43,224,183,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:1.6px;line-height:1.4;}
.main-nav{display:none;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--primary);background:rgba(43,224,183,.1);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;}
.header-actions .btn-primary{display:none;}
.icon-btn{
  width:44px;height:44px;border-radius:11px;
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  display:grid;place-items:center;font-size:16px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.5);background:rgba(43,224,183,.06);}
@media (min-width:1024px){
  .main-nav{display:flex;}
  .header-actions .btn-primary{display:inline-flex;}
  .header-inner{min-height:74px;}
}

/* 移动底部 Tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:flex;align-items:stretch;
  background:rgba(16,22,30,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:62px;font-size:11px;color:var(--text-3);position:relative;
  transition:color .2s ease;
}
.mobile-tab a i{font-size:20px;}
.mobile-tab a.active{color:var(--primary);}
.mobile-tab a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--primary);border-radius:2px;}
@media (min-width:1024px){.mobile-tab{display:none;} body{padding-bottom:0;}}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 48px;
  background-image:linear-gradient(180deg,rgba(11,15,20,.86),rgba(11,15,20,.96)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){
  .hero{padding:84px 0 72px;}
  .hero-grid{grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;}
  .hero-copy{grid-column:span 6;}
  .hero-media{grid-column:span 6;}
}
.hero-title{
  font-size:clamp(30px,6vw,52px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:16px;
}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:16px;color:var(--text-2);max-width:560px;margin-bottom:26px;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats div strong{
  display:block;font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.hero-stats div span{font-size:12.5px;color:var(--text-3);}

.cover-card{
  position:relative;
  border-radius:var(--radius-media);
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cover-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#0F151D;}
.cover-card .cover-shade{
  position:absolute;left:0;right:0;bottom:0;height:62%;
  background:linear-gradient(180deg,rgba(11,15,20,0),rgba(11,15,20,.92));
  pointer-events:none;
}
.cover-card .badge{position:absolute;top:14px;left:14px;z-index:2;}
.cover-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(43,224,183,.92);color:var(--primary-ink);
  display:grid;place-items:center;font-size:20px;
  box-shadow:0 12px 32px rgba(43,224,183,.35);
  transition:transform .2s ease,box-shadow .2s ease;
}
.cover-card:hover .cover-play{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 16px 40px rgba(43,224,183,.45);}
.cover-meta{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;}
.cover-meta h3{font-size:17px;font-weight:700;line-height:1.4;}
.cover-meta span{font-size:12.5px;color:var(--text-2);display:block;margin-top:4px;}
.cover-meta .time{font-size:13px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ============ 倒计时 ============ */
.countdown-strip{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:32px 0;
}
.countdown-wrap{display:grid;gap:24px;align-items:center;}
@media (min-width:900px){.countdown-wrap{grid-template-columns:1fr auto;gap:40px;}}
.countdown-info h2{font-size:20px;font-weight:700;margin-bottom:6px;}
.countdown-info p{font-size:13.5px;color:var(--text-2);}
.countdown-clock{display:flex;align-items:center;gap:10px;}
.cd-block{
  min-width:74px;padding:12px 8px;border-radius:12px;background:var(--panel-2);
  border:1px solid var(--line);text-align:center;
}
.cd-block b{
  display:block;font-size:26px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.cd-block span{font-size:12px;color:var(--text-3);}
.cd-sep{color:var(--primary);font-weight:800;}
.cd-done{
  display:none;padding:12px 20px;border-radius:12px;background:rgba(255,106,61,.16);
  color:var(--hot);font-weight:700;font-size:15px;border:1px solid rgba(255,106,61,.35);
}

/* ============ 看点列表 ============ */
.point-list{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:900px){.point-list{grid-template-columns:1fr 1fr;column-gap:56px;}}
.point-item{
  display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.point-item:hover{background:rgba(255,255,255,.02);}
.point-num{
  flex-shrink:0;font-size:32px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--primary);
  font-variant-numeric:tabular-nums;min-width:52px;
}
.point-body h3{font-size:17.5px;font-weight:700;margin-bottom:6px;}
.point-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ 订阅表单 ============ */
.subscribe-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-media);
  padding:28px 22px;
  box-shadow:var(--shadow);
}
@media (min-width:600px){.subscribe-panel{padding:36px 32px;}}
.subscribe-panel h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.subscribe-panel > p{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.sub-form{display:grid;gap:12px;}
@media (min-width:768px){.sub-form{grid-template-columns:1fr auto;align-items:center;}}
.sub-form input{
  height:48px;width:100%;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  color:var(--text);
  padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,224,183,.16);}
.sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,94,94,.14);}
.sub-form .btn{height:48px;padding:0 26px;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;}
.form-msg{margin-top:10px;font-size:13.5px;display:none;}
.form-msg.err{display:block;color:var(--danger);}
.form-msg.ok{display:block;color:var(--primary);}

/* ============ 排期卡片 ============ */
.schedule-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:600px){.schedule-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.schedule-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.card-cover{position:relative;overflow:hidden;background:#0F151D;}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .badge{position:absolute;top:12px;left:12px;z-index:2;}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-time{font-size:12.5px;color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.4px;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);}
.card-foot .kind{font-size:12.5px;color:var(--text-3);}

/* ============ 回放/入口区 ============ */
.replay-band{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.replay-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,92,255,.22),transparent 70%);
  pointer-events:none;
}
.replay-grid{display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:768px){.replay-grid{grid-template-columns:repeat(3,1fr);}}
.replay-item{
  display:flex;align-items:center;gap:14px;
  padding:16px;border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.replay-item:hover{border-color:rgba(43,224,183,.4);transform:translateY(-3px);background:var(--panel-2);}
.replay-item .thumb{
  width:64px;height:64px;flex-shrink:0;border-radius:12px;overflow:hidden;background:#0F151D;
  border:1px solid var(--line);
}
.replay-item .thumb img{width:100%;height:100%;object-fit:cover;}
.replay-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px;}
.replay-item span{font-size:12.5px;color:var(--text-3);}

/* ============ CMS 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:600px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);color:var(--text);}
.news-card .news-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:#0F151D;border-bottom:1px solid var(--line);}
.news-card .news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);}
.news-empty{
  grid-column:1/-1;text-align:center;padding:48px 20px;border-radius:var(--radius-card);
  background:var(--panel);border:1px dashed var(--line);color:var(--text-2);font-size:14.5px;
}
.news-empty .btn{margin-top:16px;}

/* ============ 平台能力 ============ */
.feature-row{display:grid;gap:28px;align-items:center;padding:32px 0;border-bottom:1px solid var(--line);}
.feature-row:last-child{border-bottom:0;}
@media (min-width:900px){
  .feature-row{grid-template-columns:1fr 1fr;gap:56px;padding:44px 0;}
  .feature-row.reverse .feature-media{order:2;}
}
.feature-media{border-radius:var(--radius-media);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#0F151D;}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-copy .idx{
  display:inline-block;font-size:13px;font-weight:800;color:var(--primary);
  letter-spacing:2px;margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.feature-copy h3{font-size:clamp(20px,2.6vw,26px);font-weight:700;margin-bottom:12px;line-height:1.4;}
.feature-copy p{font-size:15px;color:var(--text-2);margin-bottom:14px;}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);padding:6px 0;}
.feature-list li i{color:var(--primary);margin-top:6px;font-size:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.accordion .accordion-item.is-active{border-color:rgba(43,224,183,.3);}
.accordion .accordion-title{
  padding:18px 52px 18px 20px;
  font-size:16px;font-weight:700;color:var(--text);
  border:0;
  position:relative;
  line-height:1.6;
}
.accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--primary);
  transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.accordion .accordion-title:hover{background:rgba(255,255,255,.03);}
.accordion .accordion-content{
  padding:0 20px 20px;
  background:transparent;
  border:0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;
  padding:64px 0;
  background-image:linear-gradient(120deg,rgba(11,15,20,.92),rgba(11,15,20,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,183,.2),transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:26px;align-items:center;}
@media (min-width:900px){.cta-inner{grid-template-columns:1fr auto;gap:40px;}}
.cta-inner h2{font-size:clamp(22px,3.4vw,32px);font-weight:800;margin-bottom:10px;line-height:1.35;}
.cta-inner p{font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 24px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:320px;line-height:1.85;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;}
.footer-contact i{color:var(--primary);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}
@media (max-width:1023px){.site-footer{padding-bottom:88px;}}

/* roulang page: article */
:root{
  --bg:#0B0F14;
  --bg-soft:#10161E;
  --panel:#151C26;
  --panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --primary:#2BE0B7;
  --primary-ink:#04140F;
  --accent:#7A5CFF;
  --hot:#FF6A3D;
  --text:#E9EEF6;
  --text-2:#9BA8BC;
  --text-3:#6B788C;
  --danger:#FF5E5E;
  --radius-card:14px;
  --radius-media:18px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 18px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:1px solid rgba(255,255,255,.06);background:#0F151D;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(43,224,183,.18);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.2);}
.btn-ghost:hover{background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.5);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14px;font-weight:600;min-height:36px;position:relative;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:4px;height:1px;width:100%;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.btn-link:hover::after{transform:scaleX(1);}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-btn);
  color:var(--text-2);transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.5);background:rgba(43,224,183,.08);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  border:1px solid transparent;
}
.badge-live{background:rgba(255,106,61,.14);color:#FF9169;border-color:rgba(255,106,61,.35);}
.badge-soon{background:rgba(122,92,255,.16);color:#A794FF;border-color:rgba(122,92,255,.38);}
.badge-replay{background:rgba(155,168,188,.14);color:var(--text-2);border-color:rgba(155,168,188,.3);}
.badge-cat{background:rgba(43,224,183,.12);color:var(--primary);border-color:rgba(43,224,183,.35);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#17A98A);
  color:var(--primary-ink);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(43,224,183,.25);
}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;letter-spacing:.2px;line-height:1.25;color:var(--text);}
.brand-text small{font-size:10px;letter-spacing:1.6px;color:var(--text-3);font-weight:500;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  padding:9px 13px;border-radius:8px;font-size:15px;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--primary);background:rgba(43,224,183,.1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ============ 内页横幅 ============ */
.page-banner{
  position:relative;
  padding:38px 0 34px;
  background-image:
    linear-gradient(180deg,rgba(11,15,20,.86),rgba(11,15,20,.97)),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-2);}

/* ============ 文章布局 ============ */
.article-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  padding:48px 0 72px;
  align-items:start;
}
.article-main{min-width:0;max-width:820px;}
.article-head{margin-bottom:26px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:18px;padding-bottom:18px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.article-title{
  font-size:clamp(24px,3.4vw,36px);
  font-weight:800;line-height:1.35;letter-spacing:.2px;
  margin-top:14px;
}
.article-lead{
  margin-top:16px;font-size:16px;color:var(--text-2);line-height:1.9;
  padding-left:16px;border-left:3px solid var(--primary);
}

/* ============ 正文排版 ============ */
.article-body{font-size:16px;line-height:1.9;color:#D8E1EE;}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  font-size:22px;font-weight:700;color:var(--text);
  margin-top:2.2em;padding-left:12px;border-left:3px solid var(--primary);
  line-height:1.5;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--text);margin-top:1.8em;}
.article-body h4{font-size:16px;font-weight:700;color:var(--text-2);margin-top:1.6em;}
.article-body p{color:#CDD8E6;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(43,224,183,.4);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body ul,.article-body ol{padding-left:4px;}
.article-body li{position:relative;padding-left:20px;margin-top:.6em;color:#CDD8E6;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.article-body ol{counter-reset:listnum;}
.article-body ol > li{counter-increment:listnum;}
.article-body ol > li::before{
  content:counter(listnum);
  position:absolute;left:0;top:0;color:var(--primary);font-weight:700;font-size:14px;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--panel);border-left:3px solid var(--primary);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--text-2);
}
.article-body blockquote p{margin:0;color:var(--text-2);}
.article-body img{border-radius:12px;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14px;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--radius-card);
}
.article-body th,.article-body td{
  padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;
}
.article-body th{background:var(--panel-2);color:var(--text);font-weight:600;}
.article-body td{color:var(--text-2);}
.article-body pre{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;overflow-x:auto;font-size:13px;color:#B9E6D8;
}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;}
.article-body strong{color:var(--text);}

/* ============ 空态 ============ */
.empty-state{
  margin-top:26px;padding:48px 24px;text-align:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state h2{font-size:20px;margin-top:14px;color:var(--text);}
.empty-state p{margin-top:10px;color:var(--text-2);font-size:15px;}
.empty-state .actions{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:var(--panel);border:1px solid var(--line);
  transition:all .2s ease;
}
.tag:hover{color:var(--primary);border-color:rgba(43,224,183,.45);background:rgba(43,224,183,.08);}

/* ============ 上下篇 ============ */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;
}
.post-nav a{
  display:block;padding:18px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:all .22s ease;
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.post-nav .direction{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px;}
.post-nav .p-title{margin-top:8px;font-size:15px;font-weight:600;color:var(--text);line-height:1.6;}
.post-nav .p-desc{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6;}
.post-nav .next{text-align:right;}
.post-nav .next .direction{justify-content:flex-end;}

/* ============ 相关推荐 ============ */
.related{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:22px;color:var(--text);}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rel-card{
  display:block;overflow:hidden;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:all .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.rel-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0F151D;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;border:0;transition:transform .35s ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,0) 45%,rgba(11,15,20,.82));
}
.rel-card .thumb .badge{position:absolute;left:12px;top:12px;z-index:2;}
.rel-card .body{padding:16px 18px 20px;}
.rel-card h3{font-size:16px;color:var(--text);line-height:1.55;}
.rel-card p{margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .foot{margin-top:14px;font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:8px;}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:15px;color:var(--text);display:flex;align-items:center;gap:8px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-card h3 i{color:var(--primary);font-size:13px;}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 6px 6px 0;
  transition:all .18s ease;
}
.toc-list a:hover{color:var(--primary);background:rgba(43,224,183,.07);border-left-color:var(--primary);}
.toc-list a.is-sub{padding-left:22px;font-size:13px;color:var(--text-3);}
.side-list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:10px;
  transition:background-color .2s ease;
}
.side-list a:hover{background:rgba(255,255,255,.04);}
.side-list .num{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;width:20px;
}
.side-list .txt{font-size:14px;color:var(--text-2);line-height:1.65;}
.side-list a:hover .txt{color:var(--text);}
.side-cta{
  background:linear-gradient(160deg,rgba(43,224,183,.14),rgba(122,92,255,.14));
  border:1px solid rgba(43,224,183,.28);
}
.side-cta h3{border-bottom-color:rgba(255,255,255,.12);}
.side-cta p{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.8;}
.side-cta .btn{margin-top:16px;}

/* ============ 底部 CTA ============ */
.cta-band{
  padding:64px 0;
  background-image:
    linear-gradient(120deg,rgba(11,15,20,.94),rgba(16,22,30,.9)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
}
.cta-inner h2{font-size:clamp(22px,3vw,30px);line-height:1.4;}
.cta-inner h2 em{color:var(--primary);font-style:normal;}
.cta-inner p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;}
.cta-facts{display:grid;gap:14px;}
.fact{
  display:flex;align-items:center;gap:14px;padding:16px 18px;
  background:rgba(21,28,38,.78);border:1px solid var(--line);border-radius:var(--radius-card);
}
.fact i{color:var(--primary);font-size:18px;width:22px;text-align:center;}
.fact b{display:block;font-size:15px;color:var(--text);}
.fact span{font-size:13px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-soft);border-top:1px solid var(--line);
  padding:56px 0 24px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;
  padding-bottom:32px;border-bottom:1px solid var(--line);
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-3);line-height:1.7;}
.footer-contact i{color:var(--primary);margin-top:6px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:20px;font-size:13px;color:var(--text-3);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;
  background:rgba(16,22,30,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar nav{display:flex;height:62px;}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);position:relative;min-height:44px;
}
.tabbar a i{font-size:19px;}
.tabbar a.active{color:var(--primary);}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--primary);border-radius:0 0 2px 2px;
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1023px){
  .article-wrap{grid-template-columns:1fr;gap:32px;padding:36px 0 56px;}
  .article-main{max-width:100%;}
  .sidebar{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .main-nav a{padding:8px 10px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
  .tabbar{display:block;}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom));}
}
@media (max-width:768px){
  :root{--gutter:20px;}
  .main-nav{display:none;}
  .header-inner{min-height:64px;gap:12px;}
  .header-actions .btn{display:none;}
  .brand-text{font-size:15px;}
  .article-body{font-size:15px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .post-nav .next .direction{justify-content:flex-start;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .page-banner{padding:28px 0 26px;}
  .cta-band{padding:48px 0;}
}
@media (max-width:520px){
  .article-title{font-size:22px;}
  .article-meta{font-size:12px;gap:8px 12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .related-grid{gap:14px;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0F14;
  --bg-soft:#10161E;
  --panel:#151C26;
  --panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#2BE0B7;
  --primary-ink:#04140F;
  --accent:#7A5CFF;
  --hot:#FF6A3D;
  --text:#E9EEF6;
  --text-2:#9BA8BC;
  --text-3:#6B788C;
  --danger:#FF5E5E;
  --radius-card:14px;
  --radius-media:18px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-card-hover:0 18px 40px rgba(0,0,0,.5);
  --gutter:20px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* ---------- 布局容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.section{padding:56px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:24px;line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-head p{color:var(--text-2);font-size:14px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:block;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#1BA98A);
  color:var(--primary-ink);font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(43,224,183,.22);
}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.2;color:var(--text);}
.brand-text small{font-size:10px;letter-spacing:.18em;color:var(--text-3);font-weight:500;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:8px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--primary);}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);cursor:pointer;display:inline-flex;
  align-items:center;justify-content:center;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.45);background:rgba(43,224,183,.06);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  line-height:1;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
.btn-primary{background:var(--primary);color:var(--primary-ink);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(43,224,183,.16);color:var(--primary-ink);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.5);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-link{background:none;border:0;padding:0;color:var(--primary);font-weight:600;position:relative;}
.btn-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--primary);transition:width .25s ease;}
.btn-link:hover::after{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  border-bottom:1px solid var(--line);
  overflow:hidden;
  background-color:#0F151D;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,15,20,.72),rgba(11,15,20,.94)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0;}
.hero-copy .breadcrumb{font-size:12.5px;color:var(--text-3);margin-bottom:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.hero-copy .breadcrumb a{color:var(--text-3);}
.hero-copy .breadcrumb a:hover{color:var(--primary);}
.hero-copy h1{
  font-size:clamp(30px,6vw,52px);line-height:1.2;font-weight:800;letter-spacing:-.4px;
  margin-bottom:18px;
}
.hero-copy h1 em{font-style:normal;color:var(--primary);}
.hero-sub{color:var(--text-2);font-size:16px;line-height:1.8;max-width:560px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats .stat{
  flex:1 1 150px;min-width:130px;
  background:rgba(21,28,38,.72);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px 16px;
}
.hero-stats .stat b{display:block;font-size:18px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:12.5px;color:var(--text-2);}

.hero-media{position:relative;}
.cover-card{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid var(--line);background:#0F151D;
  box-shadow:0 18px 44px rgba(0,0,0,.5);
}
.cover-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.cover-card .cover-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,.05) 30%,rgba(11,15,20,.92));
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;line-height:1.6;
}
.badge-live{background:rgba(255,106,61,.16);color:var(--hot);}
.badge-soon{background:rgba(122,92,255,.18);color:#B7A6FF;}
.badge-replay{background:rgba(155,168,188,.16);color:var(--text-2);}
.cover-top{position:absolute;top:14px;left:14px;z-index:3;display:flex;gap:8px;}
.cover-bottom{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:18px 20px;}
.cover-bottom h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.cover-bottom p{font-size:13px;color:var(--text-2);}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:62px;height:62px;border-radius:50%;z-index:3;
  background:rgba(43,224,183,.92);color:var(--primary-ink);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 0 0 8px rgba(43,224,183,.12);
  transition:transform .2s ease,box-shadow .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 0 0 14px rgba(43,224,183,.16);color:var(--primary-ink);}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.split .media{
  border-radius:var(--radius-media);overflow:hidden;border:1px solid var(--line);
  background:#0F151D;box-shadow:var(--shadow-card);
}
.split .media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:14px;}
.split p{color:var(--text-2);font-size:15.5px;margin-bottom:14px;}
.plain-list{display:grid;gap:10px;margin-top:6px;}
.plain-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.plain-list li::before{
  content:"";flex-shrink:0;width:7px;height:7px;margin-top:11px;
  background:var(--primary);border-radius:2px;
}

/* ---------- 步骤流程 ---------- */
.steps-wrap{display:grid;grid-template-columns:1fr;gap:28px;}
.steps-visual{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid var(--line);background:#0F151D;box-shadow:var(--shadow-card);
}
.steps-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.steps-visual .steps-visual-cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(11,15,20,.94));
  font-size:13px;color:var(--text-2);
}
.steps{display:grid;gap:0;}
.step{
  display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:0;}
.step-num{
  flex-shrink:0;width:46px;height:46px;border-radius:12px;
  border:1px solid rgba(43,224,183,.4);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(43,224,183,.06);
}
.step-body h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.step-body p{font-size:15px;color:var(--text-2);}

/* ---------- 数据卡 ---------- */
.data-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.data-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.data-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(43,224,183,.4);}
.data-card i{font-size:20px;color:var(--primary);margin-bottom:12px;display:block;}
.data-card b{display:block;font-size:17px;font-weight:700;margin-bottom:8px;font-variant-numeric:tabular-nums;}
.data-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:12px;padding:18px 20px;font-size:14.5px;color:var(--text-2);
}
.notice i{color:var(--primary);margin-top:5px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-color:#0E141B;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(11,15,20,.94),rgba(11,15,20,.72)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{display:grid;gap:22px;padding:52px 0;align-items:center;}
.cta-inner h2{font-size:clamp(22px,4vw,30px);font-weight:800;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq details{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:0 20px;transition:border-color .2s ease,background-color .2s ease;
}
.faq details[open]{border-color:rgba(43,224,183,.35);background:var(--panel-2);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0;font-size:16px;font-weight:700;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .mark{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq details[open] summary .mark{transform:rotate(45deg);color:var(--primary);border-color:rgba(43,224,183,.5);}
.faq .answer{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line);padding-top:16px;}

/* ---------- 表单 ---------- */
.subscribe-form{display:grid;gap:12px;max-width:620px;margin-top:24px;}
.field{
  min-height:48px;width:100%;border-radius:var(--radius-input);
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  padding:0 16px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field::placeholder{color:var(--text-3);}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,224,183,.14);}
.form-hint{font-size:12.5px;color:var(--text-3);}
.form-error{font-size:13px;color:var(--danger);display:none;}
.form-error.show{display:block;}
.form-success{font-size:13px;color:var(--primary);display:none;}
.form-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding-top:52px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:14px;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text);letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);align-items:flex-start;}
.footer-contact i{color:var(--primary);margin-top:6px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:flex;align-items:stretch;
  background:rgba(16,22,30,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab .tab-item{
  flex:1;min-height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;font-size:11px;color:var(--text-3);position:relative;padding-top:3px;
}
.mobile-tab .tab-item i{font-size:19px;}
.mobile-tab .tab-item.active{color:var(--primary);}
.mobile-tab .tab-item.active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--primary);border-radius:2px;
}
.mobile-tab .tab-item:hover{color:var(--primary);}

/* ---------- 断点 ---------- */
@media (min-width:600px){
  :root{--gutter:24px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:28px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0;}
  .split{grid-template-columns:1fr 1fr;gap:40px;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .subscribe-form{grid-template-columns:1fr auto;align-items:start;}
  .form-hint,.form-error,.form-success{grid-column:1 / -1;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1.4fr 1fr;padding:64px 0;}
  .cta-actions{justify-content:flex-end;}
}
@media (min-width:1024px){
  :root{--gutter:32px;}
  .section{padding:88px 0;}
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:84px 0;}
  .steps-wrap{grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
  .data-grid{grid-template-columns:repeat(4,1fr);}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .mobile-tab{display:none;}
  body{padding-bottom:0;}
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-actions .btn-sm{display:none;}
}
@media (max-width:520px){
  .hero-copy h1{font-size:30px;}
  .hero-cta .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .brand-text{font-size:14px;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0F14;--bg-soft:#10161E;--panel:#151C26;--panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --primary:#2BE0B7;--primary-ink:#04140F;--accent:#7A5CFF;--hot:#FF6A3D;
  --text:#E9EEF6;--text-2:#9BA8BC;--text-3:#6B788C;--danger:#FF5E5E;
  --radius-card:14px;--radius-media:18px;--radius-btn:10px;--radius-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 18px 40px rgba(0,0,0,.5);
  --gutter:20px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,6vw,52px);line-height:1.2;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3.4vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:18px;line-height:1.5;font-weight:700;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
@media (min-width:768px){.container{padding:0 24px;--gutter:24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),#19b795);
  color:var(--primary-ink);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(43,224,183,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;font-weight:800;color:var(--text);}
.brand-text small{font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--text-3);margin-top:2px;}
.brand:hover .brand-text{color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:8px;font-size:15px;color:var(--text-2);font-weight:500;white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.main-nav a.active{color:var(--primary);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:.2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.45);background:rgba(43,224,183,.08);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:var(--primary-ink);}
.btn-primary:hover{color:var(--primary-ink);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(43,224,183,.18),0 12px 26px rgba(43,224,183,.24);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.2);color:var(--text);}
.btn-ghost:hover{color:var(--text);background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.5);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-soon{background:rgba(122,92,255,.16);color:#B5A4FF;}
.badge-live{background:rgba(255,106,61,.16);color:#FF9A78;}
.badge-replay{background:rgba(155,168,188,.14);color:var(--text-2);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}
.badge-live .badge-dot{animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:64px 0 56px;
  background:
    radial-gradient(900px 420px at 88% -12%,rgba(122,92,255,.20),transparent 65%),
    radial-gradient(760px 380px at 4% 8%,rgba(43,224,183,.16),transparent 62%),
    linear-gradient(180deg,rgba(11,15,20,.55),rgba(11,15,20,.96)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(43,224,183,.1);border:1px solid rgba(43,224,183,.3);
  color:var(--primary);font-size:13px;font-weight:700;margin-bottom:20px;
}
.hero-title{color:var(--text);margin-bottom:18px;}
.hero-title span{color:var(--primary);}
.hero-sub{font-size:16px;line-height:1.9;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:620px;}
.stat{
  background:rgba(21,28,38,.72);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;
}
.stat strong{display:block;font-size:20px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;line-height:1.5;}
.hero-media{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid rgba(255,255,255,.06);background:#0F151D;
  box-shadow:var(--shadow-card);aspect-ratio:16/10;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,.05) 30%,rgba(11,15,20,.9) 100%);
}
.hero-media-badge{position:absolute;top:14px;left:14px;z-index:2;}
.hero-media-info{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;}
.hero-media-info h3{font-size:17px;color:#fff;margin-bottom:4px;}
.hero-media-info p{font-size:13px;color:var(--text-2);}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:62px;height:62px;border-radius:50%;border:1px solid rgba(255,255,255,.4);
  background:rgba(11,15,20,.55);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;cursor:pointer;transition:.22s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.play-btn:hover{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);transform:translate(-50%,-50%) scale(1.06);}

/* ---------- countdown ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:12px;color:var(--text);}
.section-head p{color:var(--text-2);font-size:15.5px;}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--primary);text-transform:uppercase;margin-bottom:10px;
}
.countdown-panel{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(27,36,48,.95),rgba(21,28,38,.95));
  padding:24px;display:grid;gap:20px;
  box-shadow:var(--shadow-card);
}
@media (min-width:768px){.countdown-panel{grid-template-columns:1fr auto;align-items:center;padding:28px 32px;}}
.cd-title{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text-2);margin-bottom:10px;}
.cd-title i{color:var(--hot);}
.cd-headline{font-size:19px;font-weight:800;color:var(--text);}
.cd-grid{display:flex;align-items:center;gap:10px;}
.cd-cell{
  min-width:74px;padding:10px 8px;border-radius:12px;background:var(--panel-2);
  border:1px solid var(--line);text-align:center;
}
.cd-num{display:block;font-size:clamp(26px,6vw,38px);font-weight:800;line-height:1.1;color:var(--primary);font-variant-numeric:tabular-nums;}
.cd-unit{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}
.cd-sep{width:2px;height:34px;border-radius:2px;background:rgba(43,224,183,.45);}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(43,224,183,.6),rgba(122,92,255,.35),rgba(255,255,255,.06));
}
@media (min-width:768px){.timeline::before{left:96px;}}
.tl-item{position:relative;padding-left:32px;padding-bottom:20px;}
@media (min-width:768px){.tl-item{padding-left:0;display:grid;grid-template-columns:96px 1fr;gap:26px;padding-bottom:22px;}}
.tl-item::before{
  content:"";position:absolute;left:0;top:22px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);
}
@media (min-width:768px){.tl-item::before{left:91px;}}
.tl-item.is-live::before{border-color:var(--hot);box-shadow:0 0 0 4px rgba(255,106,61,.18);}
.tl-time{display:flex;align-items:baseline;gap:10px;margin-bottom:6px;}
@media (min-width:768px){
  .tl-time{flex-direction:column;align-items:flex-end;gap:2px;margin:0;padding-right:26px;text-align:right;}
}
.tl-day{font-size:13px;color:var(--text-3);font-weight:600;}
.tl-time strong{font-size:18px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.tl-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.tl-card-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.tl-card-head h3{font-size:17.5px;}
.tl-card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.tl-card-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.tl-meta{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px;}

/* ---------- cards ---------- */
.card{
  height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.card-media{
  position:relative;aspect-ratio:16/9;background:#0F151D;overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;top:12px;left:12px;z-index:2;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:17.5px;margin-bottom:8px;}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:14px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.card-foot span{font-size:13px;color:var(--text-3);}
.grid-cards{margin-top:8px;}

/* ---------- subscribe form ---------- */
.subscribe-panel{
  border-radius:var(--radius-media);border:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 90% 0%,rgba(122,92,255,.16),transparent 60%),
    linear-gradient(150deg,var(--panel-2),var(--panel));
  padding:28px 24px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.subscribe-panel{padding:40px;}}
.subscribe-form{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
@media (min-width:768px){.subscribe-form{flex-direction:row;align-items:flex-start;}}
.field{flex:1 1 auto;width:100%;}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-input);
  background:rgba(11,15,20,.6);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,224,183,.16);}
.field.is-error input{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,94,94,.14);}
.form-msg{font-size:13px;line-height:1.6;margin-top:8px;color:var(--text-3);}
.form-msg.error{color:var(--danger);display:none;}
.form-msg.success{color:var(--primary);display:none;}
.form-msg.error.show,.form-msg.success.show{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}

/* ---------- feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media (min-width:1024px){
  .feature-row{grid-template-columns:1fr 1fr;gap:56px;}
  .feature-row.reverse .feature-media{order:2;}
}
.feature-media{
  border-radius:var(--radius-media);overflow:hidden;border:1px solid rgba(255,255,255,.06);
  background:#0F151D;aspect-ratio:16/10;box-shadow:var(--shadow-card);
}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-list{margin-top:22px;display:grid;gap:14px;}
.feature-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.feature-list i{color:var(--primary);margin-top:6px;font-size:13px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item.open{border-color:rgba(43,224,183,.32);background:var(--panel-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q i{flex:0 0 auto;color:var(--primary);transition:transform .25s ease;font-size:14px;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-band{
  border-radius:var(--radius-media);border:1px solid rgba(43,224,183,.28);
  background:
    radial-gradient(700px 320px at 15% 0%,rgba(43,224,183,.16),transparent 62%),
    linear-gradient(150deg,rgba(27,36,48,.96),rgba(16,22,30,.96));
  padding:36px 24px;text-align:center;position:relative;overflow:hidden;
}
@media (min-width:768px){.cta-band{padding:56px 48px;}}
.cta-band h2{margin-bottom:14px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:640px;margin:0 auto 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-soft);border-top:1px solid var(--line);
  padding:52px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
@media (min-width:600px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.footer-contact i{color:var(--primary);margin-top:6px;font-size:12px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none;}
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-inner{min-height:64px;}
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom));}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(11,15,20,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .mobile-tab a{
    flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-height:48px;color:var(--text-3);font-size:11px;position:relative;border-radius:8px;
  }
  .mobile-tab a i{font-size:19px;}
  .mobile-tab a.active{color:var(--primary);}
  .mobile-tab a.active::before{
    content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--primary);
  }
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .brand-text small{display:none;}
  .brand-mark{width:34px;height:34px;font-size:17px;}
  .header-actions .btn{padding:0 12px;font-size:13px;min-height:38px;}
  .icon-btn{display:none;}
  .hero-stats{grid-template-columns:1fr;}
  .cd-cell{min-width:60px;padding:8px 6px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg:#0B0F14;
  --bg-soft:#10161E;
  --panel:#151C26;
  --panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --primary:#2BE0B7;
  --primary-ink:#04140F;
  --accent:#7A5CFF;
  --hot:#FF6A3D;
  --text:#E9EEF6;
  --text-2:#9BA8BC;
  --text-3:#6B788C;
  --danger:#FF5E5E;
  --radius-card:14px;
  --radius-media:18px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 18px 40px rgba(0,0,0,.5);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media screen and (min-width:600px){ .container{padding:0 24px;} }
@media screen and (min-width:1024px){ .container{padding:0 32px;} }
@media screen and (min-width:1440px){ .container{max-width:1280px;} }

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 22px rgba(43,224,183,.18);}
.btn-primary:hover{color:var(--primary-ink);background:#43ecc5;transform:translateY(-1px);box-shadow:0 10px 26px rgba(43,224,183,.32),0 0 0 4px rgba(43,224,183,.16);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.2);color:var(--text);background:transparent;}
.btn-ghost:hover{background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.5);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .28s ease;
}
.btn-line:hover{background-size:100% 1px;color:var(--primary);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),#19b898);
  color:var(--primary-ink);
  font-weight:800;font-size:19px;
  border-radius:11px;
  box-shadow:0 6px 18px rgba(43,224,183,.22);
}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;letter-spacing:.3px;line-height:1.25;}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:1.6px;color:var(--text-3);}
.main-nav{display:none;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;
  padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:8px;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.main-nav a.active{color:var(--primary);}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.main-nav + .header-actions{margin-left:0;}
.icon-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.45);background:rgba(43,224,183,.06);}
@media screen and (max-width:1023px){
  .header-actions .btn{display:none;}
}
@media screen and (min-width:1024px){
  .main-nav{display:flex;}
  .header-inner{min-height:74px;}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;
  background:rgba(16,22,30,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  height:64px;
}
.mobile-tabbar a{
  flex:1 1 0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);position:relative;min-height:44px;
}
.mobile-tabbar a i{font-size:18px;}
.mobile-tabbar a.active{color:var(--primary);}
.mobile-tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--primary);
}
@media screen and (min-width:1024px){
  .mobile-tabbar{display:none;}
  body{padding-bottom:0;}
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:
    linear-gradient(180deg,rgba(11,15,20,.72) 0%,rgba(11,15,20,.92) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 22% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 22% 30%,#000 0%,transparent 72%);
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb span.dot{color:var(--text-3);opacity:.6;}
.tagline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.4px;
  color:var(--primary);background:rgba(43,224,183,.1);
  border:1px solid rgba(43,224,183,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;text-transform:uppercase;
}
.page-hero h1{
  font-size:clamp(30px,6vw,52px);
  font-weight:800;line-height:1.2;letter-spacing:.5px;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  font-size:clamp(15px,2.4vw,17px);
  color:var(--text-2);line-height:1.9;max-width:720px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:14px;max-width:720px;
}
.hero-stat{
  background:rgba(21,28,38,.72);
  border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;
  box-shadow:0 10px 26px rgba(0,0,0,.28);
}
.hero-stat b{
  display:block;font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;line-height:1.3;
}
.hero-stat span{font-size:12.5px;color:var(--text-2);}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
@media screen and (min-width:600px){ .section{padding:72px 0;} }
@media screen and (min-width:1024px){ .section{padding:88px 0;} }
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.6px;
  color:var(--accent);margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,3.4vw,32px);font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.9;}
.section-head.with-action{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;max-width:none;
}

/* ---------- 数据卡 ---------- */
.metric-grid{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media screen and (min-width:600px){ .metric-grid{grid-template-columns:repeat(2,1fr);} }
@media screen and (min-width:1024px){ .metric-grid{grid-template-columns:repeat(4,1fr);} }
.metric-card{
  position:relative;overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,183,.4);}
.metric-card::before{
  content:"";position:absolute;left:0;top:0;width:44px;height:3px;background:var(--primary);border-radius:0 0 3px 0;
}
.metric-card .label{font-size:13px;color:var(--text-3);margin-bottom:10px;letter-spacing:.4px;}
.metric-card .value{
  font-size:30px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:8px;
}
.metric-card .value small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px;}
.metric-card .desc{font-size:13px;color:var(--text-2);line-height:1.7;}

/* ---------- 图文交替 ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
}
@media screen and (min-width:900px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px;}
  .alt-row.reverse .alt-media{order:2;}
  .alt-row.reverse .alt-body{order:1;}
}
.alt-media{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid var(--line);background:#0F151D;
  box-shadow:var(--shadow-card);
}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.alt-media:hover img{transform:scale(1.03);}
.alt-media .media-mask{
  position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(180deg,transparent,rgba(7,11,15,.9));
}
.alt-media .media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  font-size:12px;font-weight:600;color:var(--text);
  background:rgba(11,15,20,.7);border:1px solid rgba(255,255,255,.14);
  padding:6px 12px;border-radius:999px;backdrop-filter:blur(6px);
}
.alt-body h3{font-size:clamp(20px,2.8vw,26px);margin-bottom:14px;}
.alt-body > p{color:var(--text-2);font-size:15px;line-height:1.9;margin-bottom:20px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2);line-height:1.8;
}
.check-list li:last-child{border-bottom:0;}
.check-list li i{color:var(--primary);font-size:15px;margin-top:5px;flex:0 0 auto;}
.check-list li strong{color:var(--text);font-weight:600;}
.alt-stack{display:grid;gap:64px;}
@media screen and (min-width:600px){ .alt-stack{gap:72px;} }
@media screen and (min-width:1024px){ .alt-stack{gap:88px;} }

/* ---------- 版本时间轴 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(122,92,255,.5),rgba(255,255,255,.06));
  border-radius:2px;
}
@media screen and (min-width:1024px){ .timeline{padding-left:34px;} .timeline::before{left:9px;} }
.tl-item{position:relative;padding:0 0 34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(43,224,183,.12);
}
@media screen and (min-width:1024px){ .tl-item::before{left:-34px;width:14px;height:14px;} }
.tl-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;
}
.tl-date{
  font-size:13px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.6px;
}
.tl-ver{
  font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;background:var(--panel);
}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 11px;line-height:1.5;
}
.badge-live{background:rgba(255,106,61,.14);color:var(--hot);border:1px solid rgba(255,106,61,.3);}
.badge-soon{background:rgba(122,92,255,.14);color:#A493FF;border:1px solid rgba(122,92,255,.32);}
.badge-replay{background:rgba(155,168,188,.12);color:var(--text-2);border:1px solid rgba(155,168,188,.24);}
.badge-new{background:rgba(43,224,183,.12);color:var(--primary);border:1px solid rgba(43,224,183,.3);}

/* ---------- 能力条 ---------- */
.cap-strip{
  display:grid;grid-template-columns:1fr;gap:18px;
  background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-card);
}
@media screen and (min-width:768px){ .cap-strip{grid-template-columns:repeat(3,1fr);gap:28px;} }
.cap-item{display:flex;gap:14px;align-items:flex-start;}
.cap-item .num{
  font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
  border:1px solid rgba(43,224,183,.35);border-radius:10px;
  padding:4px 10px;flex:0 0 auto;
}
.cap-item h4{font-size:16px;margin-bottom:6px;}
.cap-item p{font-size:13.5px;color:var(--text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:rgba(43,224,183,.3);box-shadow:0 12px 30px rgba(0,0,0,.34);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(43,224,183,.1);color:var(--primary);
  font-size:13px;transition:transform .25s ease,background-color .25s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:rgba(43,224,183,.2);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.85;
}

/* ---------- CTA 通栏 ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-media);
  border:1px solid rgba(43,224,183,.22);
  background:
    linear-gradient(120deg,rgba(11,15,20,.94),rgba(17,26,34,.86)),
    url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  padding:44px 26px;
  box-shadow:var(--shadow-card);
}
.cta-banner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary);
}
.cta-inner{position:relative;z-index:2;max-width:680px;}
.cta-banner h2{font-size:clamp(22px,3.4vw,30px);margin-bottom:12px;}
.cta-banner p{color:var(--text-2);font-size:15px;line-height:1.9;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media screen and (min-width:768px){ .cta-banner{padding:56px 48px;} }

/* ---------- 表单 ---------- */
.sub-form{
  display:grid;grid-template-columns:1fr;gap:12px;max-width:620px;
}
@media screen and (min-width:768px){ .sub-form{grid-template-columns:1fr auto;} }
.form-input{
  height:48px;width:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-input);
  padding:0 16px;color:var(--text);font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input::placeholder{color:var(--text-3);}
.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,224,183,.16);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.form-status{font-size:13px;margin-top:10px;min-height:18px;}
.form-status.err{color:var(--danger);}
.form-status.ok{color:var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
}
@media screen and (min-width:600px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media screen and (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;} }
.footer-brand p{
  margin-top:16px;font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:340px;
}
.footer-col h4{
  font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);letter-spacing:.6px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:13.5px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:12px;
}
.footer-contact li i{color:var(--primary);margin-top:5px;flex:0 0 auto;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
@media screen and (max-width:1023px){ .site-footer{padding-bottom:96px;} }

/* roulang page: category4 */
:root{
  --bg:#0B0F14;
  --bg-soft:#10161E;
  --panel:#151C26;
  --panel-2:#1B2430;
  --line:rgba(255,255,255,.08);
  --primary:#2BE0B7;
  --primary-ink:#04140F;
  --accent:#7A5CFF;
  --hot:#FF6A3D;
  --text:#E9EEF6;
  --text-2:#9BA8BC;
  --text-3:#6B788C;
  --danger:#FF5E5E;
  --radius-card:14px;
  --radius-media:18px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 18px 40px rgba(0,0,0,.5);
  --container:1200px;
  --gutter:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(43,224,183,.3);}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,15,20,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#18a98a);
  color:var(--primary-ink);
  font-weight:800;
  font-size:17px;
  box-shadow:0 6px 18px rgba(43,224,183,.25);
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:15px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:.01em;
}
.brand-text small{
  font-size:9.5px;
  font-weight:500;
  letter-spacing:.2em;
  color:var(--text-3);
}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 13px;
  border-radius:8px;
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.main-nav a.active{
  color:var(--primary);
  background:rgba(43,224,183,.1);
  font-weight:600;
}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,183,.4);background:rgba(43,224,183,.08);}
.icon-btn:active{transform:translateY(1px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 0 0 4px rgba(43,224,183,.18),0 10px 24px rgba(43,224,183,.18);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.2);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(43,224,183,.08);border-color:rgba(43,224,183,.45);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:9px 15px;font-size:13.5px;}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);
  font-size:14px;font-weight:600;
  position:relative;
}
.link-btn::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  height:1px;width:0;
  background:var(--primary);
  transition:width .25s ease;
}
.link-btn:hover::after{width:100%;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-primary{color:var(--primary);background:rgba(43,224,183,.12);border:1px solid rgba(43,224,183,.3);}
.badge-accent{color:#C4B8FF;background:rgba(122,92,255,.16);border:1px solid rgba(122,92,255,.35);}
.badge-hot{color:#FFD3C4;background:rgba(255,106,61,.16);border:1px solid rgba(255,106,61,.35);}
.badge-muted{color:var(--text-2);background:rgba(255,255,255,.06);border:1px solid var(--line);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:60px 0 56px;
  background-color:var(--bg-soft);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,20,.88) 0%,rgba(11,15,20,.93) 55%,var(--bg) 100%);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 20% 10%,rgba(0,0,0,.9),transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 20% 10%,rgba(0,0,0,.9),transparent 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--primary);
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(43,224,183,.3);
  background:rgba(43,224,183,.08);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,6vw,50px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
}
.hero-sub{
  margin-top:18px;
  max-width:560px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 34px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-points .point{display:flex;flex-direction:column;gap:2px;}
.hero-points .point strong{
  font-size:22px;
  font-weight:800;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-points .point span{font-size:13px;color:var(--text-3);}
.hero-media{
  position:relative;
  border-radius:var(--radius-media);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-card);
  background:#0F151D;
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:55%;
  background:linear-gradient(180deg,transparent,rgba(11,15,20,.92));
  pointer-events:none;
}
.hero-media .media-top{position:absolute;top:14px;left:14px;z-index:2;}
.hero-media .media-bottom{
  position:absolute;
  left:16px;right:16px;bottom:14px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-2);
}
.hero-media .media-bottom strong{color:var(--text);font-weight:600;}

/* ---------- section base ---------- */
.section{padding:56px 0;position:relative;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-eyebrow{
  display:block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--primary);
  margin-bottom:12px;
  font-weight:600;
}
.section-head h2{
  font-size:clamp(23px,3.4vw,32px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- anchor nav ---------- */
.anchor-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  max-width:860px;
  margin:0 auto;
}
.anchor-nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  font-size:14px;
  transition:all .2s ease;
}
.anchor-nav a i{font-size:13px;color:var(--primary);}
.anchor-nav a:hover{
  color:var(--text);
  border-color:rgba(43,224,183,.4);
  background:rgba(43,224,183,.08);
  transform:translateY(-1px);
}

/* ---------- info strip ---------- */
.info-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  max-width:860px;
  margin:0 auto 34px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  overflow:hidden;
}
.info-strip .cell{
  padding:20px 22px;
  border-right:1px solid var(--line);
}
.info-strip .cell:last-child{border-right:none;}
.info-strip .cell strong{
  display:block;
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  line-height:1.4;
}
.info-strip .cell span{font-size:13px;color:var(--text-3);}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-group-title{
  display:flex;
  align-items:center;
  gap:12px;
  margin:36px 0 16px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--text-3);
  font-weight:600;
}
.faq-group-title::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
.faq-group-title:first-of-type{margin-top:0;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16);}
.faq-item[open]{
  border-color:rgba(43,224,183,.35);
  box-shadow:0 12px 30px rgba(0,0,0,.3);
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:44px;
  padding:17px 20px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:8px;
  background:rgba(43,224,183,.1);
  color:var(--primary);
  font-size:17px;
  font-weight:500;
  line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  background:rgba(43,224,183,.18);
}
.faq-answer{
  padding:0 20px 20px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.88;
  border-top:1px solid var(--line);
  padding-top:16px;
  margin:0 20px 18px;
}
.faq-answer p + p{margin-top:10px;}
.faq-answer strong{color:var(--text);font-weight:600;}

/* ---------- troubleshoot steps ---------- */
.trouble-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.trouble-item{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:24px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.trouble-num{
  font-size:44px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(43,224,183,.55);
  font-variant-numeric:tabular-nums;
}
.trouble-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.trouble-body p{color:var(--text-2);font-size:15px;line-height:1.85;}
.trouble-body .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.trouble-body .tags span{
  font-size:12px;
  color:var(--text-2);
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel-2);
}

/* ---------- split media block ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  max-width:1000px;
  margin:0 auto;
}
.split-media{
  border-radius:var(--radius-media);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:#0F151D;
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-copy h2{font-size:clamp(22px,3vw,28px);font-weight:700;line-height:1.4;}
.split-copy p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.88;}
.split-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.split-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.split-list li i{color:var(--primary);font-size:14px;margin-top:6px;}

/* ---------- form ---------- */
.form-card{
  max-width:860px;
  margin:0 auto;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--text-2);font-weight:600;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--radius-input);
  border:1px solid var(--line);
  background:var(--panel-2);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(43,224,183,.14);
  background:#1E2735;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{
  border-color:var(--danger);
  box-shadow:0 0 0 4px rgba(255,94,94,.12);
}
.err-msg{display:none;font-size:13px;color:var(--danger);}
.field.has-error .err-msg{display:block;}
.form-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:22px;
}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7;max-width:460px;}
.form-success{
  display:none;
  margin-top:18px;
  padding:14px 16px;
  border-radius:10px;
  border:1px solid rgba(43,224,183,.4);
  background:rgba(43,224,183,.1);
  color:var(--primary);
  font-size:14px;
}
.form-success.show{display:block;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-media);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(43,224,183,.14),rgba(122,92,255,.14) 60%,rgba(255,106,61,.1)),var(--panel);
  padding:40px 36px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,183,.28),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,3vw,28px);font-weight:700;line-height:1.4;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:8px;
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:34px;
}
.footer-brand p{
  margin-top:16px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text);
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
}
.footer-contact li i{color:var(--primary);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  display:none;
  background:rgba(11,15,20,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  flex:1;
  min-height:62px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--text-3);
  position:relative;
}
.tabbar a i{font-size:18px;}
.tabbar a.active{color:var(--primary);}
.tabbar a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  border-radius:2px;
  background:var(--primary);
}

/* ---------- responsive ---------- */
@media (min-width:600px){
  :root{--gutter:24px;}
  .section{padding:72px 0;}
}
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .tabbar{display:flex;}
  body{padding-bottom:66px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .info-strip{grid-template-columns:1fr;max-width:760px;}
  .info-strip .cell{border-right:none;border-bottom:1px solid var(--line);}
  .info-strip .cell:last-child{border-bottom:none;}
}
@media (min-width:1024px){
  .section{padding:88px 0;}
}
@media (max-width:767px){
  .header-actions .btn{display:none;}
  .form-grid{grid-template-columns:1fr;gap:16px;}
  .trouble-item{grid-template-columns:1fr;gap:12px;}
  .trouble-num{font-size:36px;}
  .cta-band{padding:28px 22px;}
  .form-card{padding:22px;}
  .hero{padding:44px 0 46px;}
  .hero-cta .btn{flex:1 1 100%;}
}
@media (max-width:599px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .hero-points{gap:18px 24px;}
  .hero-points .point strong{font-size:19px;}
  .faq-item summary{font-size:15.5px;padding:15px 16px;}
  .faq-answer{margin:0 16px 16px;padding-left:0;padding-right:0;}
  .cta-actions .btn{flex:1 1 100%;}
}