/* roulang page: index */
:root{
  --bg:#070B16;
  --panel:#0C1424;
  --panel-up:#101A2E;
  --footer-bg:#050810;
  --brand:#23E6D0;
  --brand-deep:#12A897;
  --brand-light:#7BF5E6;
  --coral:#FF7A45;
  --alert:#FF4D6D;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(35,230,208,.45);
  --glow-brand:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --gap-section:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 70% 12%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 12%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-light);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.grid-container{max-width:1200px;}
.section{padding:var(--gap-section) 0;position:relative;z-index:1;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;}
.section-head p{color:var(--text-2);font-size:14px;margin-top:8px;}
.section-head .more-link{font-size:14px;color:var(--brand);white-space:nowrap;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;font-weight:600;}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--brand);display:inline-block;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;
  background:rgba(7,11,22,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(35,230,208,.16);
}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:var(--glow-brand);
  position:relative;
}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:rgba(5,16,20,.75);}
.logo-text b{display:block;font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.2;}
.logo-text span{display:block;font-size:11px;color:var(--text-3);letter-spacing:.14em;line-height:1.4;}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-main a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-weight:600;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  padding:12px 26px;border-radius:999px;font-size:15px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#051014;box-shadow:var(--glow-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(35,230,208,.42);color:#051014;}
.btn-ghost{
  padding:12px 24px;border-radius:999px;font-size:15px;
  background:rgba(255,255,255,.03);color:var(--text);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--brand-light);transform:translateY(-2px);}
.btn-coral{
  padding:12px 24px;border-radius:999px;font-size:15px;
  background:rgba(255,122,69,.12);color:var(--coral);border:1px solid rgba(255,122,69,.4);
}
.btn-coral:hover{box-shadow:var(--glow-coral);color:#FFD8C6;transform:translateY(-2px);}

/* Hero */
.hero{
  position:relative;
  padding:72px 0 64px;
  background-image:linear-gradient(90deg,rgba(7,11,22,.96) 0%,rgba(7,11,22,.86) 46%,rgba(7,11,22,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  overflow:hidden;
  z-index:1;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,230,208,.18) 0%,rgba(35,230,208,0) 68%);
  pointer-events:none;
}
.hero-copy{position:relative;z-index:2;}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  margin:16px 0 18px;
  max-width:13em;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{color:var(--text-2);font-size:17px;max-width:600px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(35,230,208,.8);}
.chip .dot.coral{background:var(--coral);box-shadow:0 0 10px rgba(255,122,69,.8);}
.glass{
  background:linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.14);
  border-radius:var(--radius-card);
}
.hero-cover{position:relative;z-index:2;}
.cover-frame{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line-hover);
  box-shadow:var(--shadow-card),0 0 34px rgba(35,230,208,.14);
  aspect-ratio:16/9;
  background:var(--panel);
}
.cover-frame img{width:100%;height:100%;object-fit:cover;}
.cover-frame::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px);
  opacity:.5;pointer-events:none;
}
.live-badge{
  position:absolute;left:14px;top:14px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,122,69,.16);border:1px solid rgba(255,122,69,.5);
  color:var(--coral);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.live-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--alert);animation:pulse 1.8s ease-out infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,77,109,.6);}70%{box-shadow:0 0 0 10px rgba(255,77,109,0);}100%{box-shadow:0 0 0 0 rgba(255,77,109,0);}}
.play-disc{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  width:74px;height:74px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(12,20,36,.55);border:1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--brand);font-size:22px;transition:all .2s ease-out;
}
.cover-frame:hover .play-disc{background:rgba(35,230,208,.22);color:#fff;}
.corner-tag{
  position:absolute;right:14px;top:14px;z-index:3;
  padding:6px 12px;font-size:12px;border-radius:8px;
  background:rgba(7,11,22,.72);border:1px solid var(--line);color:var(--text-2);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.cover-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-3);font-size:13px;}

/* 倒计时 */
.countdown-band{
  padding:56px 0;
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;z-index:1;
}
.countdown-inner{max-width:640px;margin:0 auto;text-align:center;}
.countdown-grid{display:flex;justify-content:center;gap:14px;margin:26px 0 18px;}
.cd-cell{
  flex:1 1 0;min-width:0;max-width:132px;
  padding:18px 8px 14px;
  border-radius:14px;
  background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.cd-num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(28px,4.6vw,44px);font-weight:700;line-height:1;color:var(--brand);letter-spacing:.02em;
}
.cd-num.tick{animation:tickUp .12s ease-out;}
@keyframes tickUp{from{transform:translateY(6px);opacity:.4;}to{transform:translateY(0);opacity:1;}}
.cd-unit{display:block;margin-top:8px;font-size:12px;color:var(--text-3);letter-spacing:.08em;}
.countdown-note{color:var(--text-3);font-size:14px;font-variant-numeric:tabular-nums;}

/* 看点列表 */
.spot-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;}
.spot-item{
  position:relative;
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 18px 20px 20px;
  border-bottom:1px solid var(--line);
  transition:transform .2s ease-out,background .2s ease-out;
}
.spot-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity .2s ease-out;
}
.spot-item:hover{transform:translateX(6px);background:rgba(35,230,208,.04);}
.spot-item:hover::before{opacity:1;}
.spot-idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;color:var(--brand);padding-top:3px;}
.spot-body{flex:1 1 auto;min-width:0;}
.spot-body h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:4px;}
.spot-body p{font-size:14px;color:var(--text-2);line-height:1.7;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;letter-spacing:.02em;
  background:rgba(35,230,208,.08);color:var(--brand);border:1px solid rgba(35,230,208,.24);white-space:nowrap;
}
.tag.coral{background:rgba(255,122,69,.1);color:var(--coral);border-color:rgba(255,122,69,.28);}
.tag.muted{background:rgba(255,255,255,.04);color:var(--text-2);border-color:var(--line);}

/* 订阅 */
.subscribe-panel{padding:36px;}
.subscribe-panel h2{font-size:clamp(22px,2.4vw,28px);font-weight:600;line-height:1.35;margin-bottom:12px;}
.subscribe-panel p{color:var(--text-2);font-size:15px;}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch;}
.field{flex:1 1 260px;min-width:0;}
.field label{display:block;font-size:13px;color:var(--text-3);margin-bottom:6px;}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(7,11,22,.6);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{outline:none;border-color:var(--line-hover);box-shadow:0 0 0 3px rgba(35,230,208,.12);}
.form-actions{flex:0 0 auto;display:flex;align-items:flex-end;}
.form-actions .btn-primary{height:48px;padding:0 30px;}
.channel-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px;font-size:13px;color:var(--text-2);}
.channel-row span{display:inline-flex;align-items:center;gap:7px;}
.channel-row i{color:var(--brand);}
.privacy-note{margin-top:12px;font-size:12px;color:var(--text-3);}
.form-status{margin-top:14px;font-size:14px;min-height:22px;}
.form-status.ok{color:var(--brand);}
.form-status.err{color:var(--coral);}
.form-status.err strong{color:var(--alert);}

/* 回放网格 */
.replay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.replay-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);
  background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-hover);}
.replay-card.is-wide{grid-column:span 2;}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-up);}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.replay-card:hover .replay-thumb img{transform:scale(1.03);}
.duration{
  position:absolute;right:12px;bottom:12px;
  padding:4px 10px;border-radius:8px;font-size:12px;
  background:rgba(7,11,22,.78);border:1px solid var(--line);color:var(--text-2);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.replay-body{padding:20px 22px 22px;}
.replay-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.replay-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--text-3);}
.meta-row .cat{color:var(--brand);}

/* 最新信息 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;
  display:flex;flex-direction:column;
  padding:24px;
  border-radius:var(--radius-card);
  background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-card::before{content:"";position:absolute;left:24px;top:0;width:44px;height:2px;background:var(--brand);border-radius:2px;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-hover);}
.news-card.is-featured{grid-column:span 2;}
.news-card h3{font-size:18px;font-weight:600;line-height:1.5;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--brand-light);}
.news-card .excerpt{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .meta-row{margin-top:auto;padding-top:18px;}
.badge-cat{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;
  background:rgba(35,230,208,.08);color:var(--brand);border:1px solid rgba(35,230,208,.24);
}
.empty-state{
  grid-column:1/-1;
  padding:52px 24px;text-align:center;border-radius:var(--radius-card);
  border:1px dashed var(--line);background:rgba(12,20,36,.6);
}
.empty-state i{font-size:26px;color:var(--text-3);display:block;margin-bottom:12px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:14px;}
.skeleton{height:180px;border-radius:var(--radius-card);background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.09),rgba(255,255,255,.05));background-size:200% 100%;animation:sk 1.2s ease-in-out infinite;}
@keyframes sk{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--radius-card);
  background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09);
  overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q .sign{flex:0 0 auto;color:var(--brand);font-size:18px;transition:transform .24s ease-out;}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;border-top:1px solid var(--line);padding-top:18px;margin:0 0 0 0;}

/* CTA */
.cta-band{padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:600;line-height:1.4;margin-bottom:8px;}
.cta-band p{color:var(--text-2);font-size:15px;}

/* 页脚 */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid var(--line);
  box-shadow:0 -1px 0 rgba(35,230,208,.16);
  padding:64px 0 0;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--text-2);font-size:14px;}
.footer-col a:hover{color:var(--brand);}
.footer-sub{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 150px;min-width:0;height:42px;padding:0 14px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:14px;
}
.footer-sub input:focus{outline:none;border-color:var(--line-hover);}
.footer-sub .btn-primary{height:42px;padding:0 20px;font-size:14px;}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* 移动端底部 Tab */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:64px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,11,22,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  box-shadow:0 -1px 0 rgba(35,230,208,.14);
}
.mobile-tabbar a{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--text-3);font-size:11px;position:relative;
}
.mobile-tabbar a i{font-size:19px;}
.mobile-tabbar a.is-active{color:var(--brand);}
.mobile-tabbar a.is-active::before{
  content:"";position:absolute;top:6px;width:18px;height:3px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(35,230,208,.8);
}

@media screen and (max-width:1023px){
  :root{--gap-section:72px;}
  .replay-grid{grid-template-columns:repeat(2,1fr);}
  .replay-card.is-wide{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card.is-featured{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .spot-list{grid-template-columns:1fr;}
}
@media screen and (max-width:767px){
  :root{--gap-section:56px;}
  body{padding-bottom:72px;}
  .site-header{height:60px;}
  .nav-wrap{height:60px;}
  .nav-main{display:none;}
  .nav-actions .btn-primary{display:none;}
  .mobile-tabbar{display:flex;}
  .glass,.replay-card,.news-card,.faq-item,.cd-cell,.cover-frame{
    -webkit-backdrop-filter:none;backdrop-filter:none;
    background:rgba(12,20,36,.92);
  }
  .hero{padding:52px 0 46px;}
  .hero-sub{font-size:15px;}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{flex:1 1 auto;}
  .countdown-grid{gap:8px;}
  .cd-cell{padding:14px 4px 12px;}
  .subscribe-panel{padding:24px;}
  .subscribe-form .field{flex:1 1 100%;}
  .form-actions{flex:1 1 100%;}
  .form-actions .btn-primary{width:100%;}
  .replay-grid,.news-grid{grid-template-columns:1fr;}
  .replay-card.is-wide,.news-card.is-featured{grid-column:span 1;}
  .cta-band{padding:26px 22px;}
  .cta-band .btn-primary{width:100%;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:16px 18px 20px;}
}
@media screen and (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .countdown-note{font-size:13px;}
  .logo-text b{font-size:15px;}
}

/* roulang page: category1 */
:root{
  --bg:#070B16;
  --bg-2:#0C1424;
  --bg-3:#101A2E;
  --bg-footer:#050810;
  --brand:#23E6D0;
  --brand-deep:#12A897;
  --brand-light:#7BF5E6;
  --coral:#FF7A45;
  --warn:#FF4D6D;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --ink:#051014;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(35,230,208,.45);
  --glass:linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,.02));
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --glow-brand:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --gap:24px;
  --section:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"DIN Alternate",Consolas,"SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--brand-light);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;color:var(--text);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.82);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(35,230,208,.10),0 10px 30px rgba(0,0,0,.35);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:var(--glow-brand);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 8px auto 8px;height:3px;border-radius:2px;
  background:rgba(5,16,20,.75);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:.02em;}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  position:relative;color:var(--text-2);font-size:15px;padding:8px 14px;border-radius:10px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-main a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--text);}
.nav-main a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover);box-shadow:var(--glow-brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:var(--ink);border-radius:999px;box-shadow:var(--glow-brand);
}
.btn-primary:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 0 30px rgba(35,230,208,.45);}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line-strong);border-radius:999px;
}
.btn-ghost:hover{color:var(--brand-light);border-color:var(--line-hover);transform:translateY(-2px);}
.btn-coral{
  background:linear-gradient(135deg,var(--coral),#E85F2C);color:#1A0A03;
  border-radius:999px;box-shadow:var(--glow-coral);
}
.btn-coral:hover{color:#1A0A03;transform:translateY(-2px);}

/* ---------- page band ---------- */
.page-band{
  position:relative;overflow:hidden;
  background-color:var(--bg-2);
  background-image:
    linear-gradient(rgba(7,11,22,.86),rgba(7,11,22,.94)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 92%);
}
.page-band .inner{position:relative;padding:44px 0 48px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .cur{color:var(--brand);}
.band-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end;}
.band-grid h1{font-size:clamp(28px,4.4vw,44px);font-weight:700;line-height:1.25;letter-spacing:.01em;}
.band-grid h1 em{
  font-style:normal;color:var(--brand);
  text-shadow:0 0 26px rgba(35,230,208,.35);
}
.band-lead{margin:16px 0 0;max-width:720px;color:var(--text-2);font-size:16px;}
.band-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(35,230,208,.08);border:1px solid rgba(35,230,208,.28);
}
.stat-badge i{color:var(--brand);font-size:12px;}
.stat-badge b{color:var(--text);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.band-side{display:flex;align-items:center;gap:10px;}
.pulse-dot{
  width:9px;height:9px;border-radius:50%;background:var(--coral);
  box-shadow:var(--glow-coral);animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.live-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;color:#1A0A03;background:var(--coral);
  box-shadow:var(--glow-coral);font-weight:700;
}

/* ---------- section base ---------- */
.section{padding:var(--section) 0;}
.section--tight{padding:64px 0 var(--section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;}
.section-head p{margin:10px 0 0;color:var(--text-2);font-size:15px;max-width:640px;}
.section-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.hairline{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- glass card ---------- */
.glass{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
}

/* ---------- focus session ---------- */
.focus-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:stretch;}
.focus-media{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:var(--bg-3);
}
.focus-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.focus-media:hover img{transform:scale(1.03);}
.focus-media .badge-live{
  position:absolute;top:16px;left:16px;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#1A0A03;background:var(--coral);box-shadow:var(--glow-coral);
}
.focus-media .corner-time{
  position:absolute;right:16px;bottom:16px;
  padding:8px 14px;border-radius:999px;font-size:13px;color:var(--text);
  background:rgba(12,20,36,.82);border:1px solid var(--line-strong);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.focus-body{padding:28px;display:flex;flex-direction:column;gap:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;color:var(--brand);
  background:rgba(35,230,208,.08);border:1px solid rgba(35,230,208,.24);
}
.tag--coral{color:var(--coral);background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.30);}
.tag--muted{color:var(--text-2);background:rgba(255,255,255,.05);border-color:var(--line);}
.focus-body h3{font-size:22px;line-height:1.4;}
.focus-body p{color:var(--text-2);font-size:15px;margin:0;}
.meta-list{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.meta-list li{
  display:flex;justify-content:space-between;gap:16px;font-size:14px;
  color:var(--text-2);padding-bottom:10px;border-bottom:1px solid var(--line);
}
.meta-list li:last-child{border-bottom:0;padding-bottom:0;}
.meta-list b{color:var(--text);font-weight:600;font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.focus-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;}

/* ---------- timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:28px;}
.tl-day{display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px;align-items:start;}
.tl-date{
  position:sticky;top:88px;
  padding:18px 16px;border-radius:var(--radius-card);
  background:rgba(16,26,46,.72);border:1px solid var(--line);
  text-align:center;
}
.tl-date b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;color:var(--brand);letter-spacing:.02em;
}
.tl-date span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.tl-items{display:flex;flex-direction:column;gap:16px;}
.session-card{
  position:relative;display:grid;grid-template-columns:92px minmax(0,1fr) auto;
  gap:20px;align-items:center;padding:20px 22px;
  background:rgba(12,20,36,.72);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.session-card::after{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;
}
.session-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover);}
.session-card:hover::after{transform:scaleY(1);}
.session-time{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;color:var(--text);
}
.session-time small{display:block;font-size:12px;color:var(--text-3);font-family:var(--font-cn);margin-top:4px;font-weight:400;}
.session-main h3{font-size:17px;margin-bottom:6px;}
.session-main p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;}
.session-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;text-align:right;}
.session-side .dur{font-size:13px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.link-mini{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-mini:hover{gap:10px;}

/* ---------- subscribe ---------- */
.subscribe-wrap{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:36px;
  padding:40px;align-items:center;
}
.subscribe-wrap h2{font-size:clamp(22px,2.4vw,28px);}
.subscribe-wrap .sub-copy{margin-top:14px;color:var(--text-2);font-size:15px;}
.sub-form{display:flex;flex-direction:column;gap:14px;}
.field-label{font-size:13px;color:var(--text-2);letter-spacing:.02em;}
.field-row{display:flex;gap:12px;flex-wrap:wrap;}
.field-row input{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:12px;
  background:rgba(7,11,22,.7);border:1px solid var(--line-strong);color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field-row input::placeholder{color:var(--text-3);}
.field-row input:focus{outline:none;border-color:var(--line-hover);box-shadow:0 0 0 3px rgba(35,230,208,.16);}
.channel-row{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-2);}
.channel-row span{display:inline-flex;align-items:center;gap:7px;}
.channel-row i{color:var(--brand);font-size:12px;}
.form-note{font-size:12px;color:var(--text-3);}
.form-state{margin:0;font-size:14px;display:none;}
.form-state.is-ok{display:block;color:var(--brand);}
.form-state.is-error{display:block;color:var(--warn);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:border-color .2s ease-out;
}
.faq-item[open]{border-color:var(--line-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;position:relative;
  background:rgba(35,230,208,.12);transition:transform .24s ease-out;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:12px;height:2px;}
.faq-item summary .plus::after{width:2px;height:12px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-body{
  padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;
  border-top:1px solid var(--line);margin-top:-1px;padding-top:18px;
}

/* ---------- cta strip ---------- */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,230,208,.22),transparent 68%);
  pointer-events:none;
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);}
.cta-strip p{margin:10px 0 0;color:var(--text-2);font-size:15px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);margin-top:0;}
.site-footer .footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:420px;}
.footer-sub{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 180px;height:46px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text);
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{outline:none;border-color:var(--line-hover);box-shadow:0 0 0 3px rgba(35,230,208,.14);}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{color:var(--text-2);font-size:14px;}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none;}
@media (max-width:767px){
  .nav-main{display:none;}
  .nav-actions .btn-primary{display:none;}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .mobile-tab{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(7,11,22,.94);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    backdrop-filter:blur(10px);
  }
  .mobile-tab ul{display:grid;grid-template-columns:repeat(5,1fr);height:64px;}
  .mobile-tab a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    color:var(--text-3);font-size:11px;position:relative;
  }
  .mobile-tab a i{font-size:19px;}
  .mobile-tab a.is-active{color:var(--brand);}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:6px;width:18px;height:3px;border-radius:3px;
    background:var(--brand);box-shadow:var(--glow-brand);
  }
  .glass,.faq-item,.cta-strip,.session-card{
    backdrop-filter:none;
    background:rgba(12,20,36,.92);
  }
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--section:72px;}
  .focus-grid{grid-template-columns:1fr;}
  .subscribe-wrap{grid-template-columns:1fr;padding:32px;}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
}
@media (max-width:767px){
  :root{--section:56px;}
  .grid-container{padding:0 16px;}
  .band-grid{grid-template-columns:1fr;align-items:start;}
  .band-grid h1{font-size:clamp(26px,7vw,34px);}
  .tl-day{grid-template-columns:1fr;}
  .tl-date{position:static;display:flex;align-items:baseline;gap:12px;text-align:left;padding:14px 16px;}
  .tl-date b{font-size:20px;}
  .tl-date span{margin-top:0;}
  .session-card{grid-template-columns:1fr;gap:12px;padding:18px;}
  .session-side{align-items:flex-start;text-align:left;}
  .cta-strip{padding:26px 22px;}
  .faq-item summary{padding:18px;}
  .faq-item .faq-body{padding:16px 18px 20px;}
  .subscribe-wrap{padding:26px 22px;}
}
@media (max-width:520px){
  .site-footer .footer-grid{grid-template-columns:1fr;}
  .logo-text span{letter-spacing:.1em;}
  .session-time{font-size:18px;}
}

/* roulang page: article */
:root{
  --bg:#070B16;
  --panel:#0C1424;
  --panel-2:#101A2E;
  --panel-3:#152340;
  --footer-bg:#050810;
  --brand:#23E6D0;
  --brand-dark:#12A897;
  --brand-light:#7BF5E6;
  --coral:#FF7A45;
  --alert:#FF4D6D;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --ink:#051014;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(35,230,208,.45);
  --glow-brand:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;background-color:transparent;transition:color .2s ease-out,border-color .2s ease-out}
a:hover,a:focus{color:var(--brand-light)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:100%;margin:0}
button{cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.grid-container{width:100%;max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%}
@media (min-width:768px){
  .grid-x>.medium-6{width:50%}
  .grid-x>.medium-4{width:33.3333%}
}
@media (min-width:1024px){
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-3{width:25%}
  .grid-x>.large-8{width:66.6667%}
}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;color:var(--text)}
.section-head p{color:var(--text-3);font-size:14px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);box-shadow:var(--glow-brand)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;white-space:nowrap}
.btn-primary{background:var(--brand);color:var(--ink);border-radius:999px;box-shadow:var(--glow-brand)}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-light);color:var(--ink);transform:translateY(-2px);box-shadow:0 0 30px rgba(35,230,208,.45)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line)}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand);border-color:var(--line-hover);background:rgba(35,230,208,.08);transform:translateY(-2px)}
.btn-coral{background:var(--coral);color:#1A0A02;border-radius:999px;box-shadow:var(--glow-coral)}
.btn-coral:hover,.btn-coral:focus{background:#FF9366;color:#1A0A02;transform:translateY(-2px)}
.btn-coral:hover,.btn-coral:focus{color:#1A0A02}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,22,.78);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(35,230,208,.5),transparent)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.logo:hover,.logo:focus{color:var(--text)}
.logo-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:linear-gradient(140deg,var(--brand),var(--brand-dark));box-shadow:var(--glow-brand);position:relative}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:rgba(5,16,20,.85);clip-path:polygon(0 0,100% 0,100% 62%,58% 100%,0 100%)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:.02em}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.18em}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-main a{position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:8px;transition:color .2s ease-out}
.nav-main a::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;box-shadow:var(--glow-brand)}
.nav-main a:hover,.nav-main a:focus{color:var(--text)}
.nav-main a:hover::after,.nav-main a:focus::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--text);font-weight:600}
.nav-main a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out}
.icon-btn:hover,.icon-btn:focus{color:var(--brand);border-color:var(--line-hover);background:rgba(35,230,208,.08)}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;padding-bottom:env(safe-area-inset-bottom);background:rgba(5,8,16,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.mobile-tabbar a{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-3);font-size:11px;letter-spacing:.02em;height:64px;transition:color .2s ease-out}
.mobile-tabbar a i{font-size:19px}
.mobile-tabbar a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);box-shadow:var(--glow-brand);transition:transform .2s ease-out}
.mobile-tabbar a.is-active{color:var(--brand)}
.mobile-tabbar a.is-active::before{transform:translateX(-50%) scaleX(1)}
.mobile-tabbar a:hover,.mobile-tabbar a:focus{color:var(--brand-light)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:linear-gradient(180deg,rgba(16,26,46,.85),rgba(7,11,22,0));border-bottom:1px solid var(--line)}
.crumb-bar .grid-container{padding-top:20px;padding-bottom:20px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);line-height:1.6}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.2)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover,.breadcrumb a:focus{color:var(--brand)}
.breadcrumb .crumb-current{color:var(--brand)}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;padding:48px 0 40px;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;opacity:.18}
.article-hero::after{content:"";position:absolute;inset:0;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:52px 52px;mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%)}
.article-hero .grid-container{position:relative;z-index:2}
.article-hero h1{font-size:clamp(26px,3.8vw,40px);line-height:1.28;font-weight:700;color:var(--text);max-width:900px;margin:16px 0 20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}
.article-meta i{color:var(--brand);margin-right:6px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(35,230,208,.10);color:var(--brand);border:1px solid rgba(35,230,208,.28)}
.badge-coral{background:rgba(255,122,69,.12);color:var(--coral);border-color:rgba(255,122,69,.32)}

/* ---------- 文章主体布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;padding:56px 0 72px}
.article-main{min-width:0}
.article-card{position:relative;background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-card);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%)}
.article-card::before{content:"";position:absolute;left:18px;right:18px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.article-body{max-width:760px;color:var(--text-2);font-size:16px;line-height:1.85;word-wrap:break-word;overflow-wrap:anywhere}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;padding-left:16px;margin:40px 0 16px;font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:600;color:var(--text)}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand);box-shadow:var(--glow-brand)}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.4;font-weight:600;color:var(--text)}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul li{list-style:none;position:relative;padding-left:16px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.9}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:8px;padding-left:4px}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{margin:24px 0;padding:16px 22px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border-left:3px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:20px 0;border:1px solid var(--line)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover,.article-body a:focus{color:var(--brand-light)}
.article-body strong{color:var(--text);font-weight:600}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:20px 0;font-size:14px;color:var(--text-2)}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(35,230,208,.08);color:var(--text);font-weight:600}
.article-body pre{max-width:100%;overflow-x:auto;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-img);padding:16px 18px;font-size:13px;line-height:1.7;color:var(--brand-light);font-family:ui-monospace,"DIN Alternate",Consolas,monospace}
.article-body code{font-family:ui-monospace,"DIN Alternate",Consolas,monospace;font-size:.92em;background:rgba(35,230,208,.10);color:var(--brand-light);padding:2px 6px;border-radius:6px}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:-8px}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;font-size:12px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out}
.tag:hover,.tag:focus{color:var(--brand);border-color:var(--line-hover);background:rgba(35,230,208,.08)}

/* ---------- 空状态 ---------- */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.02)}
.empty-state i{font-size:34px;color:var(--brand);opacity:.85}
.empty-state h3{font-size:20px;color:var(--text);font-weight:600}
.empty-state p{color:var(--text-3);font-size:14px;max-width:420px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px}
.related h2{font-size:22px;font-weight:600;color:var(--text);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.related h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand);box-shadow:var(--glow-brand)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{position:relative;display:flex;flex-direction:column;background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card::before{content:"";position:absolute;left:14px;right:14px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);z-index:2}
.card:hover,.card:focus-within{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover),var(--glow-brand)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-cat{position:absolute;left:12px;top:12px;z-index:2}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.45;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3)}
.card-meta .more{color:var(--brand);font-weight:600}

/* ---------- 侧边栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{position:relative;background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%)}
.side-card::before{content:"";position:absolute;left:16px;right:16px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent)}
.side-card h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand);font-size:14px}
.side-list li+li{margin-top:12px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--text-2);padding-bottom:12px;border-bottom:1px solid var(--line);transition:color .2s ease-out,padding-left .2s ease-out}
.side-list li:last-child a{border-bottom:0;padding-bottom:0}
.side-list a i{font-size:11px;color:var(--text-3);transition:transform .2s ease-out,color .2s ease-out}
.side-list a:hover,.side-list a:focus{color:var(--brand);padding-left:4px}
.side-list a:hover i,.side-list a:focus i{color:var(--brand);transform:translateX(3px)}
.info-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;font-size:13px;padding:10px 0;border-bottom:1px solid var(--line)}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list .k{color:var(--text-3);flex:0 0 auto}
.info-list .v{color:var(--text);text-align:right;word-break:break-all}
.side-cta{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.side-cta .btn{width:100%}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;border:1px solid var(--line);border-radius:var(--r-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(120deg,rgba(35,230,208,.10),rgba(255,255,255,.03) 55%,rgba(255,122,69,.10));backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);overflow:hidden}
.cta-band::before{content:"";position:absolute;left:20px;right:20px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:600;color:var(--text);line-height:1.4}
.cta-band p{color:var(--text-2);font-size:14px;margin-top:8px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(35,230,208,.5),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:64px 0 44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.footer-sub{display:flex;gap:10px;margin-top:18px;max-width:340px}
.footer-sub input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:14px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:var(--glow-brand)}
.footer-sub .btn{height:44px;padding:0 20px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--text-3)}
.footer-col ul a{color:var(--text-3);font-size:14px}
.footer-col ul a:hover,.footer-col ul a:focus{color:var(--brand)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover,.footer-bottom a:focus{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .grid-container{max-width:1140px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:36px;padding:44px 0 60px}
  .side-stack{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px}
  .section{padding:72px 0}
  .article-card{padding:26px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .cta-actions{width:100%}
}
@media (max-width:767px){
  :root{--gutter:16px}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .nav-main{display:none}
  .nav-actions .btn-primary{display:none}
  .mobile-tabbar{display:flex}
  .card{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(12,20,36,.92)}
  .article-card,.side-card,.cta-band{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(12,20,36,.92)}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .article-hero{padding:32px 0 28px}
  .article-card{padding:20px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
}
@media (max-width:520px){
  .article-body{font-size:15.5px}
  .cta-actions .btn{width:100%}
  .article-meta{font-size:12px;gap:8px 12px}
}

/* roulang page: category2 */
:root{
  --bg:#070B16;
  --panel:#0C1424;
  --panel-2:#101A2E;
  --footer-bg:#050810;
  --brand:#23E6D0;
  --brand-dark:#12A897;
  --brand-light:#7BF5E6;
  --coral:#FF7A45;
  --alert:#FF4D6D;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --on-brand:#051014;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(35,230,208,.45);
  --glow:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --mono:ui-monospace,"DIN Alternate",Consolas,"Courier New",monospace;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 82% -8%,rgba(35,230,208,.14),transparent 62%),
    radial-gradient(680px 420px at 6% 12%,rgba(255,122,69,.09),transparent 60%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-position:center top,left top,center top,center top;
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,opacity .2s ease-out;}
a:hover{color:var(--brand-light);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{line-height:1.8;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(35,230,208,.28);}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}
@media (max-width:767px){.grid-container{padding-left:16px;padding-right:16px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.78);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px rgba(0,0,0,.4),0 1px 0 rgba(35,230,208,.16);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark) 70%);
  box-shadow:var(--glow);position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 8px 8px 8px;border-radius:3px;
  background:var(--bg);clip-path:polygon(0 0,100% 50%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:.02em;}
.logo-text span{font-size:11px;color:var(--text-2);letter-spacing:.14em;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto;}
.nav-main a{
  position:relative;display:inline-block;padding:22px 14px;font-size:15px;color:var(--text-2);
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease-out;opacity:.9;
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(35,230,208,.6);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover);background:rgba(35,230,208,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-weight:600;letter-spacing:.02em;
  padding:12px 22px;border-radius:var(--radius-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:var(--on-brand);border-radius:var(--radius-pill);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 0 32px rgba(35,230,208,.42);color:var(--on-brand);}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--brand);transform:translateY(-4px);}
.btn-coral{
  background:linear-gradient(140deg,var(--coral),#e85f2c);color:#1a0800;border-radius:var(--radius-pill);
  box-shadow:var(--glow-coral);
}
.btn-coral:hover{transform:translateY(-4px);color:#1a0800;}

/* ============ 页头 band ============ */
.page-band{
  position:relative;
  padding:52px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:32px 32px;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 80%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 80%);
  pointer-events:none;
}
.page-band::after{
  content:"";position:absolute;top:-120px;right:-80px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,230,208,.18),transparent 66%);pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--text-3);letter-spacing:.02em;margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:rgba(255,255,255,.2);}
.breadcrumb .cur{color:var(--brand);}
.band-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;color:var(--brand);
  background:rgba(35,230,208,.1);border:1px solid rgba(35,230,208,.28);
  padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.eyebrow i{font-size:11px;}
.band-text h1{max-width:760px;}
.band-text h1 em{font-style:normal;color:var(--brand);}
.band-lead{margin-top:16px;max-width:720px;color:var(--text-2);font-size:16px;}
.band-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--text-2);
}
.stat-chip b{color:var(--text);font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:600;}
.stat-chip i{color:var(--brand);font-size:12px;}
.band-media{position:relative;}
.band-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.band-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  box-shadow:0 0 0 1px rgba(35,230,208,.22),0 0 46px rgba(35,230,208,.16) inset;
  pointer-events:none;
}
.band-tag{
  position:absolute;left:14px;top:14px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,122,69,.92);color:#1a0800;font-weight:700;
  font-size:12px;letter-spacing:.06em;padding:6px 13px;border-radius:var(--radius-pill);
  box-shadow:var(--glow-coral);
}
.band-tag .dot{width:7px;height:7px;border-radius:50%;background:#1a0800;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(12,20,36,.6),rgba(7,11,22,0));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.section-head .kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.1em;color:var(--brand);
  margin-bottom:12px;
}
.glass{
  background:linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);opacity:.35;
}

/* ============ 步骤流水线 ============ */
.steps{row-gap:24px;}
.step{
  padding:28px 24px;position:relative;
}
.step::after{
  content:"";position:absolute;top:56px;right:-14px;width:28px;height:1px;
  background:linear-gradient(90deg,rgba(35,230,208,.65),rgba(35,230,208,0));
}
.step:last-child::after{display:none;}
.step-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:32px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(35,230,208,.75);
  display:block;margin-bottom:18px;
}
.step h3{margin-bottom:12px;}
.step p{color:var(--text-2);font-size:14.5px;margin-bottom:16px;}
.dot-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);
  margin-bottom:8px;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(35,230,208,.6);
}
.step-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}

/* ============ 组合矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{padding:0;overflow:hidden;}
.matrix-head{
  padding:16px 22px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
  background:linear-gradient(90deg,rgba(35,230,208,.12),rgba(35,230,208,0));
}
.matrix-head i{color:var(--brand);}
.matrix-head b{font-size:15px;font-weight:600;}
.matrix-body{padding:22px;}
.matrix-body dl{margin:0;}
.matrix-body dt{
  font-size:12.5px;color:var(--text-3);letter-spacing:.06em;margin-bottom:4px;
}
.matrix-body dd{margin:0 0 16px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.matrix-body dd:last-child{margin-bottom:0;}

/* ============ 要点速览 ============ */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.point{
  display:flex;gap:16px;padding:20px 22px;
  border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(16,26,46,.55);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.point:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover);}
.point-idx{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:14px;color:var(--brand);flex:0 0 34px;padding-top:2px;
}
.point h3{font-size:16px;margin-bottom:6px;}
.point p{font-size:14px;color:var(--text-2);}

/* ============ 短答列表 ============ */
.qa-list{display:flex;flex-direction:column;gap:14px;}
.qa-item{padding:22px 24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,20,36,.72);}
.qa-item h3{font-size:16.5px;display:flex;gap:12px;align-items:flex-start;margin-bottom:10px;}
.qa-item h3 .mk{
  flex:0 0 26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:rgba(35,230,208,.14);color:var(--brand);
}
.qa-item p{font-size:14.5px;color:var(--text-2);padding-left:38px;}

/* ============ 图文卡 ============ */
.entry-card{display:grid;grid-template-columns:1.05fr 1fr;gap:0;align-items:stretch;}
.entry-card .media{position:relative;overflow:hidden;}
.entry-card .media img{width:100%;height:100%;min-height:280px;object-fit:cover;border-radius:0;}
.entry-card .body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.entry-card .body p{color:var(--text-2);font-size:15px;}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;letter-spacing:.02em;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(35,230,208,.1);color:var(--brand);border:1px solid rgba(35,230,208,.24);
}
.tag-warm{background:rgba(255,122,69,.12);color:var(--coral);border-color:rgba(255,122,69,.28);}

/* ============ CTA ============ */
.cta-band{padding:0 0 88px;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 36px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(35,230,208,.14),rgba(255,122,69,.08) 60%,rgba(255,255,255,.02));
  border:1px solid rgba(35,230,208,.28);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:14.5px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 24px;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,230,208,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand p{color:var(--text-2);font-size:14px;margin:16px 0 20px;max-width:360px;}
.footer-sub{display:flex;gap:10px;max-width:360px;}
.footer-sub input{
  flex:1 1 auto;height:46px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{outline:none;border-color:var(--line-hover);box-shadow:0 0 0 3px rgba(35,230,208,.14);}
.footer-sub .btn{padding:12px 20px;border-radius:var(--radius-sm);}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{font-size:14px;color:var(--text-2);margin-bottom:10px;}
.footer-col ul li a{color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 移动端底部 Tab ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,11,22,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.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;padding-top:6px;
}
.mobile-tabbar a i{font-size:18px;}
.mobile-tabbar a.is-active{color:var(--brand);}
.mobile-tabbar a.is-active::before{
  content:"";position:absolute;top:0;width:26px;height:3px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(35,230,208,.7);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .band-grid{grid-template-columns:1fr;gap:28px;}
  .matrix{grid-template-columns:1fr;}
  .points{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .entry-card{grid-template-columns:1fr;}
  .entry-card .media img{min-height:220px;}
  .step::after{display:none;}
}
@media (max-width:767px){
  .nav-main{display:none;}
  .nav-actions .btn-primary{display:none;}
  .logo-text span{display:none;}
  .mobile-tabbar{display:flex;}
  body{padding-bottom:76px;}
  .glass{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(12,20,36,.92);}
  .section{padding:56px 0;}
  .page-band{padding:36px 0 44px;}
  .section-head{margin-bottom:28px;}
  .step{padding:24px 20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .cta-band{padding-bottom:64px;}
  .qa-item p{padding-left:0;}
  .band-stats{gap:10px;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-sub{flex-direction:column;}
  .footer-sub .btn{width:100%;}
  .entry-card .body{padding:26px 20px;}
  .stat-chip{font-size:12.5px;padding:7px 13px;}
}

/* roulang page: category3 */
:root{
  --bg:#070B16;
  --panel:#0C1424;
  --panel-2:#101A2E;
  --footer-bg:#050810;
  --brand:#23E6D0;
  --brand-dark:#12A897;
  --brand-light:#7BF5E6;
  --coral:#FF7A45;
  --danger:#FF4D6D;
  --text:#EAF2FF;
  --muted:#9FB0CC;
  --dim:#6B7C99;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(35,230,208,.45);
  --on-brand:#051014;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --glow:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --glass:linear-gradient(rgba(255,255,255,.08), rgba(255,255,255,.02));
  --sec-space:96px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(35,230,208,.14), transparent 62%),
    radial-gradient(700px 420px at 6% 12%, rgba(255,122,69,.08), transparent 65%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  background-attachment:fixed, fixed, scroll, scroll;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-light);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-family:ui-monospace,"DIN Alternate",Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ---------- 通用容器与板块 ---------- */
.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--sec-space) 0;}
.section.is-tight{padding-top:64px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .head-text{max-width:760px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.7;}
.head-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.head-link:hover{gap:10px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(9,14,26,.82);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(35,230,208,.12);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,230,208,.5),transparent);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  flex-shrink:0;
}
.logo:hover{color:var(--text);}
.logo-mark{
  width:28px;height:28px;
  border-radius:9px;
  background:conic-gradient(from 140deg,var(--brand),var(--brand-dark) 45%,var(--coral) 100%);
  box-shadow:var(--glow);
  position:relative;
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:3px;
  background:#070B16;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:15px;font-weight:700;letter-spacing:.02em;}
.logo-text span{font-size:11px;color:var(--dim);letter-spacing:.08em;}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-main a{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--muted);
  border-radius:8px;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--brand);
  box-shadow:var(--glow);
  transform:scaleX(0);
  transition:transform .2s ease-out;
  border-radius:2px;
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  cursor:pointer;
  transition:all .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover);box-shadow:var(--glow);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:var(--on-brand);
  border-radius:999px;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:var(--on-brand);
  transform:translateY(-2px);
  box-shadow:0 0 32px rgba(35,230,208,.42);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:var(--line-hover);
  box-shadow:var(--glow);
  transform:translateY(-2px);
}
.btn-coral{
  background:linear-gradient(135deg,var(--coral),#E4572A);
  color:#180A05;
  border-radius:999px;
  box-shadow:var(--glow-coral);
}
.btn-coral:hover{color:#180A05;transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--dim);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--dim);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(107,124,153,.6);}
.breadcrumb .current{color:var(--brand);}

/* ---------- 页头 band ---------- */
.page-band{
  position:relative;
  padding:72px 0 56px;
  background-image:linear-gradient(180deg,rgba(7,11,22,.74),rgba(7,11,22,.96)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent);
  pointer-events:none;
}
.page-band .grid-container{position:relative;z-index:2;}
.page-band h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  max-width:900px;
  letter-spacing:.01em;
}
.page-band .band-lead{
  margin-top:16px;
  max-width:760px;
  color:var(--muted);
  font-size:16px;
  line-height:1.8;
}
.band-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.band-stats li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(10px) saturate(140%);
}
.band-stats li b{
  font-size:18px;
  color:var(--brand);
  font-family:ui-monospace,"DIN Alternate",Consolas,monospace;
  font-variant-numeric:tabular-nums;
}
.band-stats li span{font-size:13px;color:var(--muted);}

/* ---------- 攻略大卡 ---------- */
.guide-card{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:40px;
  align-items:center;
  padding:28px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  margin-bottom:32px;
  position:relative;
  overflow:hidden;
}
.guide-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
}
.guide-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:var(--shadow-hover),var(--glow);
}
.guide-media{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--panel-2);
}
.guide-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.guide-card:hover .guide-media img{transform:scale(1.03);}
.guide-card.is-reverse .guide-media{order:2;}
.guide-card.is-reverse .guide-body{order:1;}
.guide-body h3{font-size:20px;line-height:1.4;font-weight:600;}
.guide-body > p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.8;}
.guide-points{margin-top:18px;display:grid;gap:10px;}
.guide-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.guide-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(35,230,208,.5);
  border-radius:2px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.02em;
  background:rgba(35,230,208,.1);
  color:var(--brand-light);
  border:1px solid rgba(35,230,208,.22);
}
.badge-coral{
  background:rgba(255,122,69,.12);
  color:#FFB093;
  border-color:rgba(255,122,69,.28);
}
.guide-meta{
  margin-top:22px;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--dim);
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- 要点速览 ---------- */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.quick-item{
  display:flex;
  gap:16px;
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.015));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.quick-item:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:var(--shadow-hover);
}
.quick-no{
  font-family:ui-monospace,"DIN Alternate",Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:20px;
  color:var(--brand);
  line-height:1.2;
  min-width:38px;
}
.quick-item h3{font-size:16px;font-weight:600;line-height:1.5;}
.quick-item p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--muted);}

/* ---------- 节奏参考 ---------- */
.rhythm-wrap{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
}
.rhythm-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.rhythm-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  font-size:14px;
}
table.rhythm-table th,
table.rhythm-table td{
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.rhythm-table th{
  font-size:13px;
  font-weight:600;
  color:var(--brand-light);
  letter-spacing:.02em;
  background:rgba(35,230,208,.05);
  white-space:nowrap;
}
table.rhythm-table td{color:var(--muted);line-height:1.7;}
table.rhythm-table td:first-child{color:var(--text);font-weight:600;}
table.rhythm-table tr:last-child td{border-bottom:none;}
table.rhythm-table tbody tr:hover{background:rgba(35,230,208,.04);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.015));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.is-open{border-color:var(--line-hover);box-shadow:var(--shadow-card),var(--glow);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  line-height:1.5;
}
.faq-q .faq-icon{
  flex-shrink:0;
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:16px;
  transition:transform .24s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease-out;
}
.faq-a-inner{
  padding:0 22px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ---------- CTA ---------- */
.cta-band{
  padding:0 0 var(--sec-space);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:34px 36px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(35,230,208,.12),rgba(255,255,255,.02) 55%,rgba(255,122,69,.1));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:600;line-height:1.4;}
.cta-inner p{margin-top:10px;color:var(--muted);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid var(--line);
  position:relative;
  padding-top:64px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,230,208,.45),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.15fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;max-width:420px;}
.footer-sub{
  margin-top:20px;
  display:flex;
  gap:10px;
  max-width:400px;
}
.footer-sub input{
  flex:1;
  height:44px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--dim);}
.footer-sub input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:var(--glow);
}
.footer-sub .btn{height:44px;padding:0 20px;font-size:14px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col li{color:var(--muted);font-size:14px;line-height:1.6;}
.footer-col a{color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--dim);
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  height:64px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,14,26,.96);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 30px rgba(0,0,0,.5);
  backdrop-filter:blur(14px);
}
.mobile-tabbar ul{
  display:flex;
  height:64px;
}
.mobile-tabbar li{flex:1;}
.mobile-tabbar a{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  height:100%;
  font-size:11px;
  color:var(--dim);
  letter-spacing:.02em;
}
.mobile-tabbar a i{font-size:18px;line-height:1;}
.mobile-tabbar a.is-active{color:var(--brand);}
.mobile-tabbar a.is-active::before{
  content:"";
  position:absolute;
  top:6px;
  width:20px;height:3px;
  border-radius:3px;
  background:var(--brand);
  box-shadow:var(--glow);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-space:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .guide-card{grid-template-columns:1fr;gap:24px;}
  .guide-card.is-reverse .guide-media{order:0;}
  .guide-card.is-reverse .guide-body{order:0;}
}
@media (max-width:767px){
  :root{--sec-space:56px;}
  body{padding-bottom:72px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-main{display:none;}
  .nav-actions .btn{display:none;}
  .site-header{backdrop-filter:none;background:rgba(9,14,26,.94);}
  .page-band{padding:44px 0 40px;}
  .guide-card{padding:20px;}
  .guide-media{aspect-ratio:16/9;}
  .quick-grid{grid-template-columns:1fr;}
  .cta-inner{padding:24px 20px;}
  .quick-item,
  .faq-item,
  .rhythm-wrap{backdrop-filter:none;background:rgba(12,20,36,.92);}
  .mobile-tabbar{display:block;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-sub{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .page-band h1{font-size:26px;}
  .band-stats li{padding:8px 14px;}
  .band-stats li b{font-size:16px;}
  .guide-body h3{font-size:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --bg:#070B16;
  --panel:#0C1424;
  --raised:#101A2E;
  --footer-bg:#050810;
  --primary:#23E6D0;
  --primary-deep:#12A897;
  --primary-light:#7BF5E6;
  --coral:#FF7A45;
  --alert:#FF4D6D;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --on-primary:#051014;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(35,230,208,.45);
  --glow-primary:0 0 24px rgba(35,230,208,.28);
  --glow-coral:0 0 18px rgba(255,122,69,.30);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --gap-sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1200px 620px at 85% -12%, rgba(35,230,208,.10), transparent 62%),
    radial-gradient(900px 520px at 2% 34%, rgba(255,122,69,.06), transparent 62%),
    var(--bg);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
h1{font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(35,230,208,.3);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:var(--gap-sec) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);font-weight:600}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-deep));box-shadow:var(--glow-primary)}
.sec-desc{font-size:14px;color:var(--text-2);max-width:620px}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,22,.82);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--primary-light),var(--primary-deep));box-shadow:var(--glow-primary);position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:8px;border:2px solid rgba(5,16,20,.78);border-radius:3px;transform:rotate(45deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.logo-text span{font-size:11px;letter-spacing:.14em;color:var(--text-3)}
.nav-main{flex:1;display:flex;justify-content:center;align-self:stretch}
.nav-main a{position:relative;display:flex;align-items:center;padding:0 14px;font-size:15px;color:var(--text-2);transition:color .2s ease-out}
.nav-main a::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--primary);box-shadow:0 0 12px rgba(35,230,208,.6);transform:scaleX(0);transform-origin:center;transition:transform .2s ease-out}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after{transform:scaleX(.6)}
.nav-main a.is-active{color:var(--text);font-weight:600}
.nav-main a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);cursor:pointer;transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out}
.icon-btn:hover{color:var(--primary);border-color:var(--line-hover);background:rgba(35,230,208,.08)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary-light),var(--primary));color:var(--on-primary);border-radius:var(--r-pill);box-shadow:var(--glow-primary)}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 0 34px rgba(35,230,208,.45)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text);border-radius:var(--r-pill)}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--primary-light);transform:translateY(-4px);box-shadow:0 0 22px rgba(35,230,208,.18)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.02em;color:var(--primary-light);background:rgba(35,230,208,.08);border:1px solid rgba(35,230,208,.22)}
.badge-coral{color:#FFB59B;background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.28)}
.badge i{font-size:11.5px}

/* page band */
.page-band{position:relative;overflow:hidden;padding:56px 0 44px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(7,11,22,.86),rgba(7,11,22,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;}
.band-grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(35,230,208,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(35,230,208,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(circle at 74% 26%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 74% 26%,#000,transparent 72%);}
.page-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(35,230,208,.55),transparent)}
.page-band .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-3);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
.breadcrumb .cur{color:var(--primary)}
.page-band h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;max-width:900px}
.band-sub{margin-top:16px;max-width:760px;font-size:16px;line-height:1.8;color:var(--text-2)}
.band-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* faq layout */
.faq-layout{padding-top:72px;padding-bottom:72px}
.faq-main{margin-bottom:0}
.faq-intro{margin-bottom:24px;font-size:15px;color:var(--text-2);max-width:760px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item[open]{border-color:var(--line-hover);box-shadow:var(--shadow-hover),0 0 0 1px rgba(35,230,208,.12) inset}
.faq-q{list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease-out}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{content:""}
.faq-q:hover{color:var(--primary-light)}
.faq-q .mark{flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:3px;transition:transform .24s ease-out}
.faq-q .mark::before,.faq-q .mark::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-q .mark::before{left:50%;top:4px;bottom:4px;width:2px;transform:translateX(-50%)}
.faq-q .mark::after{top:50%;left:4px;right:4px;height:2px;transform:translateY(-50%)}
.faq-item[open] .faq-q .mark{transform:rotate(45deg)}
.faq-a{padding:0 22px 22px;font-size:15px;color:var(--text-2);max-width:760px}
.faq-a p:last-child{margin-bottom:0}
.faq-a strong{color:var(--primary-light);font-weight:600}

/* sidebar */
.side-stack{display:flex;flex-direction:column;gap:20px}
.side-card{background:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;position:relative;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.side-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent)}
.side-card:hover{border-color:var(--line-hover);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.side-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-pad{padding:22px}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:12px}
.side-card p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:0}
.side-links li+li{margin-top:10px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out}
.side-links a:hover{border-color:var(--line-hover);background:rgba(35,230,208,.07);transform:translateX(4px)}
.side-links a b{font-weight:500;font-size:14px;color:var(--text)}
.side-links a small{font-size:12.5px;color:var(--text-3)}
.contact-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);padding:7px 0}
.contact-list li i{color:var(--primary);font-size:13px;margin-top:7px}
.contact-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--text-3)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;font-weight:600;color:var(--primary);transition:gap .2s ease-out,color .2s ease-out}
.link-arrow:hover{gap:12px;color:var(--primary-light)}

/* cta */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:34px 36px;border-radius:var(--r-card);border:1px solid var(--line);position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(16,26,46,.94),rgba(7,11,22,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(35,230,208,.6),transparent)}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:clamp(20px,2.4vw,28px);font-weight:600;margin-bottom:10px}
.cta-text p{margin:0;font-size:14.5px;color:var(--text-2)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--footer-bg);border-top:1px solid rgba(35,230,208,.28);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.75;color:var(--text-3);max-width:360px}
.footer-sub{display:flex;gap:10px;margin-top:18px;max-width:360px}
.footer-sub input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:14px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--line-hover);box-shadow:var(--glow-primary)}
.footer-sub .btn{height:44px;padding:0 18px;font-size:14px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul li{font-size:13.5px;color:var(--text-3);padding:6px 0}
.footer-col ul li a{color:var(--text-3);transition:color .2s ease-out}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3);transition:color .2s ease-out}
.footer-bottom a:hover{color:var(--primary)}

/* mobile tab */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;background:rgba(5,8,16,.96);border-top:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding-bottom:env(safe-area-inset-bottom)}
.mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;height:64px;font-size:11px;color:var(--text-3);position:relative;transition:color .2s ease-out}
.mobile-tab a i{font-size:22px}
.mobile-tab a.is-active{color:var(--primary)}
.mobile-tab a.is-active::before{content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--primary);box-shadow:0 0 10px rgba(35,230,208,.8)}

@media (max-width:1023px){
  :root{--gap-sec:72px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .side-stack{margin-top:32px}
  .faq-layout{padding-top:56px;padding-bottom:56px}
}
@media (max-width:767px){
  :root{--gap-sec:56px}
  .grid-container{padding-left:16px;padding-right:16px}
  body{padding-bottom:72px}
  .nav-main{display:none}
  .nav-actions .btn{display:none}
  .mobile-tab{display:flex}
  .page-band{padding:36px 0 32px}
  .band-sub{font-size:15px}
  .cta-band{padding:26px 22px}
  .gap, .side-card:hover{transform:none}
  .side-card, .faq-item, .cta-band{backdrop-filter:none}
  .side-card:hover{transform:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:599px){
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}