/* roulang page: index */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 16px 40px -20px rgba(0,0,0,.8);
  --shadow-card-hover:0 1px 0 rgba(255,255,255,.07) inset,0 24px 52px -22px rgba(0,0,0,.9);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Display","JetBrains Mono",ui-monospace,system-ui,sans-serif;
  --pad-section:96px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.rl-drawer-open{overflow:hidden;}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--text-1);}
img{max-width:100%;display:block;border-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(43,98,255,.45);color:#fff;}
.rl-container{max-width:1200px;margin:0 auto;padding:0 var(--gutter);width:100%;}
.rl-section{padding:var(--pad-section) 0;position:relative;}
.rl-section--tight{padding:72px 0;}
.rl-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--cyan);
  padding:6px 12px;border:1px solid var(--line-strong);border-radius:999px;
  background:var(--surface-2);text-transform:none;
}
.rl-eyebrow .rl-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.rl-h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;font-weight:700;color:#fff;}
.rl-h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:650;color:#fff;}
.rl-h3{font-size:20px;line-height:1.4;font-weight:600;color:#fff;}
.rl-lead{font-size:17px;line-height:1.8;color:var(--text-2);}
.rl-muted{color:var(--text-3);font-size:13px;line-height:1.6;}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.rl-section-head p{color:var(--text-2);font-size:15px;max-width:620px;}
.rl-text-link{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:15px;font-weight:500;}
.rl-text-link i{transition:transform .2s ease;}
.rl-text-link:hover i{transform:translateX(4px);}
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.rl-btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8);
}
.rl-btn-primary:hover{
  color:#fff;filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(53,214,240,.5),0 0 36px -6px rgba(43,98,255,.95);
}
.rl-btn-primary:active{transform:translateY(1px);}
.rl-btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text-1);border:1px solid var(--line-strong);
}
.rl-btn-ghost:hover{border-color:var(--cyan);background:var(--surface-2);color:#fff;}
.rl-btn-wide{width:100%;}
.rl-card{
  background:linear-gradient(180deg,var(--surface-2),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rl-glass{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03);
}
.rl-badge--cyan{border-color:rgba(53,214,240,.42);color:var(--cyan);}
.rl-badge--live{border-color:rgba(255,77,94,.45);color:#FFB4BB;background:rgba(255,77,94,.12);}
.rl-live-dot{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 10px var(--live);animation:rlPulse 1.6s ease-in-out infinite;}
@keyframes rlPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

/* ============ 顶部公告条 ============ */
.rl-notice{
  background:var(--bg-deep);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);position:relative;z-index:60;
}
.rl-notice-inner{height:36px;display:flex;align-items:center;gap:10px;}
.rl-notice-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 10px rgba(242,163,60,.8);}
.rl-notice-text{flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;color:var(--text-2);}
.rl-notice-close{color:var(--text-3);font-size:16px;line-height:1;padding:4px 6px;border-radius:6px;}
.rl-notice-close:hover{color:var(--text-1);background:var(--surface-2);}

/* ============ 导航 ============ */
.rl-header{position:sticky;top:0;z-index:80;}
.rl-nav{
  background:rgba(7,12,22,.82);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rl-nav.is-stuck{background:rgba(5,9,18,.95);border-bottom-color:var(--line);box-shadow:0 18px 32px -26px rgba(0,0,0,.95);}
.rl-nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  min-height:70px;
}
.rl-nav-group{display:flex;align-items:center;gap:28px;}
.rl-nav-left{justify-content:flex-start;}
.rl-nav-right{justify-content:flex-end;display:flex;align-items:center;gap:28px;}
.rl-nav-group li a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text-2);font-weight:500;
}
.rl-nav-group li a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.rl-nav-group li a:hover{color:var(--text-1);}
.rl-nav-group li a:hover::after{transform:scaleX(1);}
.rl-nav-group li a.is-active{color:#fff;}
.rl-nav-group li a.is-active::after{transform:scaleX(1);}
.rl-logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.rl-logo-mark{
  width:30px;height:30px;border-radius:50%;border:2px solid var(--cyan);position:relative;
  display:inline-block;flex:0 0 auto;box-shadow:0 0 18px -4px rgba(53,214,240,.85);
}
.rl-logo-mark span{
  position:absolute;inset:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
}
.rl-logo-text{font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em;}
.rl-nav-cta{padding:10px 20px;font-size:14px;}
.rl-burger,.rl-nav-icon{display:none;color:var(--text-1);}
.rl-burger{
  width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);
  align-items:center;justify-content:center;font-size:16px;background:rgba(255,255,255,.03);
}
.rl-nav-icon{
  width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);
  align-items:center;justify-content:center;font-size:15px;background:rgba(255,255,255,.03);color:var(--text-2);
}
.rl-nav-icon:hover{border-color:var(--cyan);color:var(--cyan);}
.rl-drawer{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
  background:rgba(5,9,18,.97);backdrop-filter:blur(12px);
  padding:24px;display:none;flex-direction:column;gap:8px;overflow-y:auto;
}
.rl-drawer.is-open{display:flex;}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.rl-drawer-close{width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.rl-drawer-close:hover{border-color:var(--cyan);color:var(--cyan);}
.rl-drawer a.rl-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;color:var(--text-1);font-size:16px;
  border-bottom:1px solid var(--line);
}
.rl-drawer a.rl-drawer-link.is-active{color:var(--cyan);}
.rl-drawer .rl-btn{margin-top:24px;}

/* ============ Hero ============ */
.rl-hero{
  position:relative;overflow:hidden;padding:88px 0 96px;
  background:
    radial-gradient(760px 420px at 88% 6%,rgba(43,98,255,.18),transparent 62%),
    radial-gradient(680px 420px at 6% 92%,rgba(53,214,240,.16),transparent 64%),
    var(--bg-base);
}
.rl-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(138,170,225,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(138,170,225,.07) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(circle at 50% 40%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 25%,transparent 78%);
}
.rl-hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.rl-hero-copy{max-width:560px;}
.rl-hero h1{margin:22px 0 18px;}
.rl-hero-sub{font-size:18px;line-height:1.7;color:var(--text-2);margin-bottom:30px;}
.rl-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.rl-hero-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px;color:var(--text-3);font-size:13px;}
.rl-hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.rl-status-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.rl-hero-media{position:relative;}
.rl-cover-card{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line-strong);
  background:var(--surface-1);box-shadow:0 30px 70px -34px rgba(0,0,0,.95);
  aspect-ratio:16/9;
}
.rl-cover-card img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.rl-cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,18,.15) 0%,rgba(5,9,18,.72) 100%);}
.rl-cover-live{position:absolute;top:14px;right:14px;z-index:2;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#fff;background:rgba(255,77,94,.16);border:1px solid rgba(255,77,94,.5);padding:5px 11px;border-radius:999px;}
.rl-cover-bar{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px 18px;
  background:linear-gradient(180deg,rgba(5,9,18,0),rgba(5,9,18,.86));
  font-size:14px;color:var(--text-1);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.rl-cover-bar em{font-style:normal;color:var(--text-3);font-size:12px;font-family:var(--font-num);}
.rl-hero-stat{
  position:absolute;left:-26px;bottom:-26px;z-index:3;padding:16px 18px;border-radius:var(--radius-md);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line-strong);backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.rl-hero-stat strong{display:block;font-family:var(--font-num);font-size:24px;color:var(--accent);line-height:1.2;}
.rl-hero-stat span{font-size:12px;color:var(--text-3);}

/* ============ 倒计时 ============ */
.rl-countdown{padding:0 0 var(--pad-section);}
.rl-countdown-card{padding:32px;display:grid;grid-template-columns:1fr 1.35fr;gap:36px;align-items:center;}
.rl-countdown-title{font-size:20px;font-weight:600;color:#fff;margin-bottom:10px;}
.rl-countdown-desc{font-size:14px;color:var(--text-2);line-height:1.7;}
.rl-clock{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.rl-clock-cell{
  position:relative;background:var(--bg-deep);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 8px 14px;text-align:center;
}
.rl-clock-cell+.rl-clock-cell::before{
  content:"";position:absolute;left:-8px;top:18%;bottom:18%;width:1px;background:var(--line);
}
.rl-clock-num{font-family:var(--font-num);font-size:40px;line-height:1;font-weight:600;color:var(--accent);letter-spacing:.02em;}
.rl-clock-label{display:block;margin-top:10px;font-size:12px;color:var(--text-3);}

/* ============ 看点列表 ============ */
.rl-points{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 48px;position:relative;padding-left:26px;}
.rl-points::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:1px;background:var(--line);}
.rl-point{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.rl-point-num{
  font-family:var(--font-num);font-size:48px;line-height:1;font-weight:600;color:var(--cyan);
  opacity:.5;flex:0 0 auto;width:74px;
}
.rl-point h3{margin-bottom:8px;font-size:19px;}
.rl-point p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ============ 订阅 ============ */
.rl-subscribe{padding:0 0 var(--pad-section);}
.rl-subscribe-card{padding:36px;display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center;}
.rl-subscribe-title{font-size:24px;font-weight:650;color:#fff;margin-bottom:12px;}
.rl-subscribe-desc{font-size:15px;color:var(--text-2);margin-bottom:12px;}
.rl-privacy{font-size:13px;color:var(--text-3);}
.rl-form-inline{display:flex;gap:12px;flex-wrap:wrap;}
.rl-input{
  flex:1 1 200px;min-width:0;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:var(--surface-1);border:1px solid var(--line-strong);color:var(--text-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-input::placeholder{color:var(--text-3);}
.rl-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,214,240,.16);}
.rl-form-msg{margin-top:12px;font-size:13px;min-height:18px;}
.rl-form-msg.is-ok{color:var(--ok);}
.rl-form-msg.is-err{color:var(--live);}

/* ============ 资讯卡片 ============ */
.rl-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rl-post{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,var(--surface-2),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rl-post:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card-hover);}
.rl-post-thumb{position:relative;aspect-ratio:16/10;background:var(--surface-1);overflow:hidden;}
.rl-post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rl-post:hover .rl-post-thumb img{transform:scale(1.04);}
.rl-post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rl-post-title{
  font-size:18px;font-weight:600;color:#fff;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-post:hover .rl-post-title{color:#fff;}
.rl-post-sum{
  font-size:14px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.rl-post-foot i{color:var(--cyan);transition:transform .2s ease;}
.rl-post:hover .rl-post-foot i{transform:translateX(4px);}
.rl-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:rgba(255,255,255,.015);
}
.rl-empty i{font-size:28px;color:var(--text-3);margin-bottom:14px;display:block;}
.rl-empty p{color:var(--text-2);font-size:15px;margin-bottom:14px;}

/* ============ 回放与入口 ============ */
.rl-replay-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start;}
.rl-replay-list{display:flex;flex-direction:column;gap:14px;}
.rl-replay-item{
  display:flex;align-items:center;gap:18px;padding:14px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.rl-replay-item:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateY(-2px);}
.rl-replay-thumb{width:96px;height:64px;flex:0 0 auto;border-radius:8px;overflow:hidden;background:var(--surface-1);}
.rl-replay-thumb img{width:100%;height:100%;object-fit:cover;}
.rl-replay-info{min-width:0;}
.rl-replay-info h3{font-size:16px;margin-bottom:6px;}
.rl-replay-info span{font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.rl-entry{padding:32px;}
.rl-entry .rl-h2{font-size:26px;margin-bottom:14px;}
.rl-entry p{color:var(--text-2);font-size:15px;margin-bottom:24px;}

/* ============ FAQ ============ */
.rl-faq{max-width:860px;margin:0 auto;}
.rl-faq-item{border-bottom:1px solid var(--line);}
.rl-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--text-1);
}
.rl-faq-q:hover{color:#fff;}
.rl-faq-q i{color:var(--cyan);font-size:14px;transition:transform .25s ease;flex:0 0 auto;}
.rl-faq-item.is-open .rl-faq-q i{transform:rotate(45deg);}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.rl-faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ CTA ============ */
.rl-cta-wrap{padding:0 0 96px;}
.rl-cta{
  position:relative;overflow:hidden;border-radius:20px;padding:52px;
  background:linear-gradient(118deg,#12245C 0%,#0A1430 48%,#050912 100%);
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.rl-cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,240,.22),transparent 68%);
}
.rl-cta-copy{position:relative;z-index:1;max-width:620px;}
.rl-cta-copy h2{margin-bottom:12px;}
.rl-cta-copy p{color:var(--text-2);font-size:15px;}
.rl-cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.rl-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 32px;}
.rl-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.rl-footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;margin:18px 0;max-width:300px;}
.rl-footer-contact{font-size:14px;color:var(--text-2);line-height:2;}
.rl-social{display:flex;gap:12px;margin-top:20px;}
.rl-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:14px;
  background:rgba(255,255,255,.02);
}
.rl-social a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.rl-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.rl-footer-links li{margin-bottom:12px;}
.rl-footer-links a{font-size:14px;color:var(--text-3);display:inline-block;transition:transform .2s ease,color .2s ease;}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(2px);}
.rl-qr{
  width:120px;height:120px;border-radius:var(--radius-md);border:1px dashed var(--line-strong);
  background:rgba(255,255,255,.02);display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:12px;text-align:center;padding:8px;line-height:1.6;
}
.rl-footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--pad-section:72px;--gutter:24px;}
  .rl-hero{padding:64px 0 72px;}
  .rl-hero-grid{grid-template-columns:1fr;gap:44px;}
  .rl-hero-copy{max-width:none;}
  .rl-hero-stat{left:auto;right:18px;bottom:-22px;}
  .rl-countdown-card{grid-template-columns:1fr;gap:28px;padding:28px;}
  .rl-subscribe-card{grid-template-columns:1fr;gap:24px;padding:28px;}
  .rl-grid-3{grid-template-columns:repeat(2,1fr);}
  .rl-replay-grid{grid-template-columns:1fr;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .rl-clock-num{font-size:34px;}
}
@media screen and (max-width:899px){
  .rl-nav-left,.rl-nav-right .rl-nav-group,.rl-nav-cta{display:none;}
  .rl-nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:12px;}
  .rl-burger,.rl-nav-icon{display:inline-flex;}
  .rl-logo{justify-self:center;}
  .rl-logo-text{font-size:17px;}
}
@media screen and (max-width:639px){
  :root{--pad-section:56px;--gutter:20px;}
  .rl-section--tight{padding:56px 0;}
  .rl-points{grid-template-columns:1fr;gap:0;padding-left:18px;}
  .rl-point-num{font-size:36px;width:56px;}
  .rl-clock{grid-template-columns:repeat(2,1fr);gap:10px;}
  .rl-clock-cell+.rl-clock-cell::before{display:none;}
  .rl-clock-num{font-size:32px;}
  .rl-grid-3{grid-template-columns:1fr;}
  .rl-cta{padding:32px 24px;}
  .rl-cta-actions{width:100%;}
  .rl-cta-actions .rl-btn{width:100%;}
  .rl-hero-actions{width:100%;}
  .rl-hero-actions .rl-btn{width:100%;}
  .rl-footer-grid{grid-template-columns:1fr;}
  .rl-footer-bottom{flex-direction:column;align-items:flex-start;}
  .rl-hero-stat{position:static;margin-top:18px;display:inline-block;}
  .rl-replay-item{align-items:flex-start;}
  .rl-form-inline .rl-btn{width:100%;}
  .rl-subscribe-card,.rl-countdown-card{padding:22px;}
}

/* roulang page: article */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 16px 40px -20px rgba(0,0,0,.8);
  --shadow-card-hover:0 1px 0 rgba(255,255,255,.06) inset, 0 24px 54px -22px rgba(0,0,0,.9);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SF Pro Display","PingFang SC",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(138,170,225,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(138,170,225,.045) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:650;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,98,255,.45);color:#fff}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 顶部公告条 ---------- */
.rl-topbar{
  height:36px;
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:60;
}
.rl-topbar-inner{display:flex;align-items:center;gap:10px;height:36px}
.rl-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 10px rgba(62,213,152,.85);
  flex:0 0 auto;
  animation:rlPulse 2.4s ease-in-out infinite;
}
@keyframes rlPulse{0%,100%{opacity:1}50%{opacity:.35}}
.rl-topbar-text{
  flex:1;
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rl-topbar-close{
  background:transparent;border:0;color:var(--text-3);cursor:pointer;
  width:26px;height:26px;border-radius:8px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:color .2s ease,background-color .2s ease;
}
.rl-topbar-close:hover{color:var(--text-1);background:var(--surface-2)}
.rl-topbar.is-hidden{display:none}

/* ---------- 导航 ---------- */
.rl-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rl-header.is-stuck{
  background:rgba(5,9,18,.95);
  border-bottom-color:var(--line);
  box-shadow:0 14px 40px -28px rgba(0,0,0,.95);
}
.rl-nav{display:block}
.rl-nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.rl-nav-group{
  display:flex;
  align-items:center;
  gap:26px;
  margin:0;padding:0;
}
.rl-nav-left{flex:1;justify-content:flex-start}
.rl-nav-right{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:26px}
.rl-nav-group a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.rl-nav-group a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--brand));
  transition:width .26s ease;
  border-radius:2px;
}
.rl-nav-group a:hover{color:var(--text-1)}
.rl-nav-group a:hover::after{width:100%}
.rl-nav-group a.is-active{color:var(--text-1)}
.rl-nav-group a.is-active::after{width:100%}
.rl-logo{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.rl-logo-mark{
  width:32px;height:32px;
  border-radius:10px;
  border:1.5px solid rgba(53,214,240,.6);
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;
  background:linear-gradient(180deg,rgba(53,214,240,.14),rgba(43,98,255,.06));
  flex:0 0 auto;
}
.rl-logo-mark::after{
  content:"";position:absolute;inset:4px;border-radius:6px;
  border:1px solid rgba(43,98,255,.45);
}
.rl-logo-mark span{
  width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--brand));
  box-shadow:0 0 12px rgba(53,214,240,.85);
}
.rl-logo-text{
  font-size:19px;
  font-weight:650;
  letter-spacing:.01em;
  color:var(--text-1);
  white-space:nowrap;
}
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,filter .2s ease;
  white-space:nowrap;
}
.rl-btn-primary{
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  color:#fff;
  box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8);
}
.rl-btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,214,240,.5),0 0 36px -4px rgba(43,98,255,.9)}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text-1);
}
.rl-btn-ghost:hover{border-color:var(--cyan);background:var(--surface-2)}
.rl-btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-size:15px;font-weight:600;
  background:transparent;border:0;padding:0;cursor:pointer;
}
.rl-btn-text i{transition:transform .22s ease}
.rl-btn-text:hover i{transform:translateX(4px)}
.rl-nav-cta{height:40px;padding:0 18px;font-size:14px}
.rl-burger,.rl-nav-icon{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface-2);
  color:var(--text-1);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex:0 0 auto;
}
.rl-burger:hover,.rl-nav-icon:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 面包屑 ---------- */
.rl-crumb-bar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,20,36,.6),rgba(7,12,22,0));
}
.rl-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding:18px 0;
}
.rl-crumb a{color:var(--text-3)}
.rl-crumb a:hover{color:var(--cyan)}
.rl-crumb .sep{color:rgba(110,126,150,.6)}
.rl-crumb .current{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.rl-article-head{padding:56px 0 0}
.rl-article-head-inner{max-width:860px}
.rl-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(53,214,240,.35);
  background:rgba(53,214,240,.08);
  color:var(--cyan);
  letter-spacing:.02em;
}
.rl-badge-accent{
  border-color:rgba(242,163,60,.4);
  background:rgba(242,163,60,.09);
  color:var(--accent);
}
.rl-article-head h1{
  font-size:clamp(28px,4vw,42px);
  line-height:1.28;
  font-weight:700;
  margin:20px 0 18px;
  color:#fff;
}
.rl-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 12px;
  font-size:13px;
  color:var(--text-3);
}
.rl-meta i{font-size:12px;color:var(--text-3)}
.rl-meta span{display:inline-flex;align-items:center;gap:6px}
.rl-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(110,126,150,.7)}
.rl-head-rule{height:1px;background:var(--line);margin-top:26px}

/* ---------- 特色图 ---------- */
.rl-feature{position:relative;margin:34px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-1)}
.rl-feature img{width:100%;aspect-ratio:21/9;object-fit:cover}
.rl-feature::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,0) 45%,rgba(7,12,22,.55) 100%);
  pointer-events:none;
}
.rl-figcap{text-align:center;font-size:13px;color:var(--text-3);margin-top:12px}

/* ---------- 布局：正文 + 目录 ---------- */
.rl-main-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  padding:48px 0 0;
}
.rl-prose-wrap{min-width:0}
.rl-prose{
  max-width:800px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.rl-prose > * + *{margin-top:1.35em}
.rl-prose h2{
  font-size:clamp(22px,2.4vw,28px);
  color:var(--text-1);
  font-weight:650;
  margin-top:48px;
  padding-left:14px;
  border-left:3px solid var(--cyan);
  line-height:1.4;
}
.rl-prose h3{
  font-size:21px;
  color:var(--text-1);
  font-weight:600;
  margin-top:34px;
}
.rl-prose h4{font-size:18px;color:var(--text-1);margin-top:26px}
.rl-prose p{color:var(--text-2)}
.rl-prose strong{color:var(--text-1);font-weight:650}
.rl-prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.rl-prose a:hover{color:#fff}
.rl-prose ul,.rl-prose ol{padding-left:2px}
.rl-prose li{
  position:relative;
  padding-left:20px;
  line-height:1.8;
  margin-top:10px;
  color:var(--text-2);
}
.rl-prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:2px;
  background:var(--cyan);
}
.rl-prose ol{counter-reset:rlol}
.rl-prose ol li{padding-left:26px}
.rl-prose ol li::before{
  counter-increment:rlol;
  content:counter(rlol);
  position:absolute;left:0;top:.16em;
  width:18px;height:18px;border-radius:5px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--cyan);
  border:1px solid rgba(53,214,240,.4);
  background:rgba(53,214,240,.07);
}
.rl-prose blockquote{
  border-left:3px solid var(--accent);
  background:var(--surface-2);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 22px;
  color:var(--text-2);
  font-size:16px;
}
.rl-prose blockquote p{color:var(--text-2)}
.rl-prose img{border-radius:var(--r-md);width:100%;margin:26px auto 8px}
.rl-prose figure{margin:26px 0}
.rl-prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.rl-prose table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  background:var(--surface-1);
  border-radius:var(--r-md);
  overflow:hidden;
}
.rl-prose thead th{
  background:rgba(43,98,255,.12);
  color:var(--text-1);
  font-weight:600;
  text-align:left;
}
.rl-prose th,.rl-prose td{
  padding:12px 16px;
  border:0;
  border-bottom:1px solid var(--line);
}
.rl-prose tbody tr:last-child td{border-bottom:0}
.rl-prose hr{border:0;height:1px;background:var(--line);margin:40px 0}
.rl-prose code{
  font-family:var(--font-mono);
  font-size:14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  color:var(--cyan);
}

/* ---------- 侧边目录 ---------- */
.rl-toc{display:none}
.rl-toc-inner{
  position:sticky;
  top:104px;
  border-left:1px solid var(--line);
  padding-left:18px;
}
.rl-toc-title{font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:14px}
.rl-toc a{
  display:block;
  font-size:13px;
  line-height:1.6;
  color:var(--text-3);
  padding:7px 0 7px 12px;
  border-left:2px solid transparent;
  margin-left:-19px;
  transition:color .2s ease,border-color .2s ease;
}
.rl-toc a:hover{color:var(--text-1)}
.rl-toc a.is-current{color:var(--cyan);border-left-color:var(--cyan)}

/* ---------- 文章尾 ---------- */
.rl-article-foot{max-width:800px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}
.rl-tags{display:flex;flex-wrap:wrap;gap:10px}
.rl-tag{
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  background:var(--surface-2);
  transition:border-color .2s ease,color .2s ease;
}
.rl-tag:hover{border-color:var(--cyan);color:var(--cyan)}
.rl-foot-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:26px;
}
.rl-share{display:flex;align-items:center;gap:10px}
.rl-share span{font-size:13px;color:var(--text-3)}
.rl-share a{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface-2);
  color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.rl-share a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

/* ---------- 空态 ---------- */
.rl-empty{
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:var(--surface-1);
  padding:64px 28px;
  text-align:center;
}
.rl-empty i{font-size:30px;color:var(--text-3)}
.rl-empty h3{margin-top:18px;font-size:20px;color:var(--text-1)}
.rl-empty p{margin-top:10px;color:var(--text-3);font-size:15px}
.rl-empty .rl-btn{margin-top:22px}

/* ---------- 通用板块 ---------- */
.rl-section{padding:96px 0 0}
.rl-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.rl-section-head h2{
  font-size:clamp(23px,2.6vw,32px);
  font-weight:650;
  color:var(--text-1);
}
.rl-section-head p{margin-top:10px;font-size:15px;color:var(--text-3);max-width:640px}
.rl-eyebrow{
  display:block;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
  margin-bottom:10px;
}

/* ---------- 卡片 ---------- */
.rl-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rl-card{
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rl-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card-hover)}
.rl-card-media{position:relative;background:var(--surface-1);overflow:hidden}
.rl-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.rl-card:hover .rl-card-media img{transform:scale(1.04)}
.rl-card-media .rl-badge{position:absolute;left:12px;top:12px;background:rgba(7,12,22,.78);backdrop-filter:blur(6px)}
.rl-card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.rl-card-body h3{
  font-size:17px;
  line-height:1.5;
  color:var(--text-1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rl-card-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rl-card-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.rl-card-foot i{color:var(--cyan);transition:transform .22s ease}
.rl-card:hover .rl-card-foot i{transform:translateX(4px)}

/* ---------- CTA ---------- */
.rl-cta{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,#0d1a3a 0%,#101c3d 42%,#070c16 100%);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.rl-cta::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:400px;height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,240,.22),transparent 65%);
  pointer-events:none;
}
.rl-cta-text{position:relative;z-index:1;max-width:640px}
.rl-cta-text h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.rl-cta-text p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.75}
.rl-cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.rl-footer{
  margin-top:96px;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;
  z-index:1;
}
.rl-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.rl-footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.rl-footer-contact{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.9}
.rl-social{display:flex;gap:10px;margin-top:20px}
.rl-social a{
  width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line);
  background:var(--surface-2);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.rl-social a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.rl-footer h4{font-size:14px;color:var(--text-1);margin-bottom:18px;font-weight:600}
.rl-footer-links li{margin-bottom:12px}
.rl-footer-links a{font-size:14px;color:var(--text-3);display:inline-block}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(-2px)}
.rl-qr{
  width:132px;height:132px;
  border-radius:var(--r-md);
  border:1px dashed var(--line-strong);
  background:var(--surface-1);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  padding:14px;
  line-height:1.6;
}
.rl-footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .rl-main-grid{grid-template-columns:minmax(0,1fr) 220px;gap:56px}
  .rl-toc{display:block}
}
@media (min-width:900px){
  .rl-burger,.rl-nav-icon{display:none}
}
@media (max-width:899px){
  .rl-nav-inner{
    flex-wrap:wrap;
    gap:14px;
    min-height:64px;
    padding:10px 0;
  }
  .rl-burger{display:inline-flex;order:1}
  .rl-logo{order:2;margin:0 auto}
  .rl-nav-icon{display:inline-flex;order:3}
  .rl-logo-text{font-size:17px}
  .rl-nav-left,.rl-nav-right{
    order:4;
    flex:0 0 100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .rl-menu-open .rl-nav-left,
  .rl-menu-open .rl-nav-right{
    display:flex;
  }
  .rl-menu-open .rl-nav-right{padding-bottom:18px}
  .rl-nav-group{flex-direction:column;align-items:stretch;gap:0}
  .rl-nav-group a{
    font-size:16px;
    line-height:48px;
    padding:0;
    border-bottom:1px solid var(--line);
  }
  .rl-nav-group a::after{display:none}
  .rl-nav-group a.is-active{color:var(--cyan)}
  .rl-nav-right{gap:0}
  .rl-nav-cta{width:100%;height:46px;margin-top:14px}
  .rl-nav-right ul.rl-nav-group{width:100%}
}
@media (max-width:1023px){
  .rl-section{padding-top:72px}
  .rl-footer{margin-top:72px}
  .rl-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .rl-cta{padding:38px;flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .rl-container{padding:0 20px}
  .rl-article-head{padding-top:36px}
  .rl-main-grid{padding-top:32px;gap:32px}
  .rl-prose{font-size:16px;line-height:1.85}
  .rl-feature img{aspect-ratio:16/10}
  .rl-section{padding-top:56px}
  .rl-cards{grid-template-columns:minmax(0,1fr);gap:16px}
  .rl-section-head{flex-direction:column;align-items:flex-start}
  .rl-cta{padding:28px 22px;border-radius:16px}
  .rl-cta-actions{width:100%}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-footer{padding-top:56px}
  .rl-footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:36px}
  .rl-footer-bottom{flex-direction:column;gap:8px}
  .rl-crumb .current{max-width:100%}
  .rl-prose table{font-size:14px}
  .rl-prose th,.rl-prose td{padding:10px 12px}
}
@media (max-width:520px){
  .rl-topbar-text{font-size:12px}
  .rl-article-head h1{font-size:26px}
  .rl-btn{width:100%}
  .rl-burger,.rl-nav-icon,.rl-topbar-close{width:auto}
  .rl-burger,.rl-nav-icon{width:42px}
  .rl-share a{width:38px;height:38px}
}

/* roulang page: category1 */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(720px 480px at 92% -8%, rgba(43,98,255,.18), transparent 70%),
    radial-gradient(660px 460px at -10% 84%, rgba(53,214,240,.10), transparent 70%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0}
p{margin:0}
figure{margin:0}
table{border-collapse:collapse;width:100%}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.rl-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.rl-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部公告条 ---------- */
.rl-topbar{
  position:relative;
  z-index:60;
  height:36px;
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
}
.rl-topbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  font-size:13px;
  color:var(--text-2);
}
.rl-pulse{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,214,240,.14);
  flex:0 0 auto;
}
.rl-topbar-text{
  flex:1 1 auto;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rl-topbar-text strong{color:var(--text-1);font-weight:600}
.rl-topbar-close{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  color:var(--text-3);
  transition:color .2s,background .2s;
}
.rl-topbar-close:hover{color:var(--text-1);background:var(--surface-2)}

/* ---------- 导航 ---------- */
.rl-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,12,22,.74);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.rl-header.is-scrolled{
  background:rgba(5,9,18,.94);
  box-shadow:0 14px 34px -24px rgba(0,0,0,.95);
}
.rl-nav{position:relative}
.rl-nav-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:76px;
}
.rl-nav-group{display:flex;align-items:center;gap:26px}
.rl-nav-group a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s ease;
}
.rl-nav-group a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s ease;
}
.rl-nav-group a:hover{color:var(--text-1)}
.rl-nav-group a:hover::after{transform:scaleX(1)}
.rl-nav-group a.is-active{color:var(--text-1)}
.rl-nav-group a.is-active::after{transform:scaleX(1)}
.rl-nav-right{display:flex;align-items:center;gap:22px}
.rl-logo{display:inline-flex;align-items:center;gap:10px}
.rl-nav-inner .rl-logo{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
}
.rl-logo-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:9px;
  background:linear-gradient(140deg,var(--brand),var(--cyan));
  display:grid;place-items:center;
  box-shadow:0 0 22px -6px rgba(43,98,255,.9);
  flex:0 0 auto;
}
.rl-logo-mark span{
  width:10px;height:10px;
  border-radius:3px;
  background:var(--bg-base);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);
}
.rl-logo-text{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:filter .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.rl-btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8);
}
.rl-btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(53,214,240,.5),0 0 36px -6px rgba(43,98,255,.95);
}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-ghost{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--text-1);
}
.rl-btn-ghost:hover{border-color:var(--cyan);background:var(--surface-2)}
.rl-nav-cta{height:40px;padding:0 18px;font-size:14px}
.rl-burger,.rl-nav-icon{display:none}

/* ---------- 移动抽屉 ---------- */
.rl-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  padding:88px 24px 32px;
  background:rgba(5,9,18,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transform:translateY(-100%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.rl-drawer.is-open{transform:translateY(0)}
.rl-drawer-close{
  position:absolute;
  top:22px;right:22px;
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-2);
}
.rl-drawer-close:hover{color:var(--text-1);border-color:var(--line-strong)}
.rl-drawer-title{
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.rl-drawer-links li{border-bottom:1px solid var(--line)}
.rl-drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  font-size:16px;
  color:var(--text-2);
}
.rl-drawer-links a:hover,.rl-drawer-links a.is-active{color:var(--text-1)}
.rl-drawer-cta{margin-top:32px}
.rl-drawer-cta .rl-btn{width:100%}

/* ---------- 按钮补充 ---------- */
.rl-btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-size:14px;
  font-weight:600;
}
.rl-btn-link i{transition:transform .22s ease}
.rl-btn-link:hover i{transform:translateX(4px)}

/* ---------- 首屏 ---------- */
.rl-hero{position:relative;z-index:1;padding:80px 0 96px;overflow:hidden}
.rl-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.rl-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  color:var(--cyan);
  border:1px solid rgba(53,214,240,.35);
  background:rgba(53,214,240,.08);
}
.rl-hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.2;
  font-weight:700;
  color:var(--text-1);
}
.rl-hero-sub{
  margin-top:18px;
  max-width:540px;
  font-size:17px;
  line-height:1.75;
  color:var(--text-2);
}
.rl-hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.rl-meta-row{
  margin-top:26px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.rl-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(62,213,152,.16);
  flex:0 0 auto;
}
.rl-hero-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 30px 60px -30px rgba(0,0,0,.9);
}
.rl-hero-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.rl-hero-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:16px 20px;
  font-size:13px;
  color:var(--text-2);
  background:linear-gradient(180deg,rgba(5,9,18,0),rgba(5,9,18,.92));
}
.rl-live-badge{
  position:absolute;
  top:14px;right:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:999px;
  font-size:12px;
  color:#ffd7dc;
  background:rgba(255,77,94,.16);
  border:1px solid rgba(255,77,94,.42);
}
.rl-live-badge i{
  width:6px;height:6px;border-radius:50%;
  background:var(--live);
  animation:rlPulse 1.8s ease-in-out infinite;
}
@keyframes rlPulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.8)}
}

/* ---------- 板块通用 ---------- */
.rl-section{position:relative;z-index:1;padding:96px 0}
.rl-section-alt{
  background:linear-gradient(180deg,rgba(12,20,36,.72),rgba(7,12,22,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.rl-section-head{max-width:720px;margin-bottom:44px}
.rl-section-head h2{
  font-size:clamp(24px,2.8vw,36px);
  line-height:1.25;
  font-weight:600;
  color:var(--text-1);
}
.rl-section-head p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2)}
.rl-eyebrow{
  display:inline-block;
  margin-bottom:16px;
  font-size:12px;
  color:var(--cyan);
  letter-spacing:.06em;
}

/* ---------- 特色错落块 ---------- */
.rl-feature-grid{
  display:grid;
  grid-template-columns:1.12fr 1fr;
  gap:24px;
}
.rl-feature{
  position:relative;
  padding:28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rl-feature:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 22px 44px -28px rgba(0,0,0,.9);
}
.rl-feature-tall{
  grid-row:span 2;
  display:flex;
  flex-direction:column;
  justify-content:center;
  background:linear-gradient(160deg,rgba(43,98,255,.18),rgba(255,255,255,.02));
}
.rl-feature-num{
  font-family:var(--font-mono);
  font-size:42px;
  font-weight:700;
  line-height:1;
  color:rgba(53,214,240,.5);
}
.rl-feature h3{margin-top:18px;font-size:20px;font-weight:600;color:var(--text-1)}
.rl-feature p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2)}
.rl-list{margin-top:16px}
.rl-list li{
  position:relative;
  padding-left:18px;
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.rl-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--cyan);
}
.rl-stat-value{
  font-family:var(--font-mono);
  font-size:52px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
}
.rl-stat-value span{
  margin-left:8px;
  font-size:16px;
  font-weight:500;
  color:var(--text-3);
}

/* ---------- 表格 ---------- */
.rl-table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface-1);
}
.rl-table{width:100%;font-size:15px}
.rl-table th{
  padding:16px 22px;
  text-align:left;
  font-size:13px;
  font-weight:600;
  color:var(--text-3);
  letter-spacing:.04em;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.rl-table td{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  vertical-align:top;
  line-height:1.7;
}
.rl-table tbody tr:last-child td{border-bottom:0}
.rl-table tbody tr{transition:background .2s ease}
.rl-table tbody tr:hover{background:rgba(43,98,255,.06)}
.rl-table td:first-child{color:var(--text-1);font-weight:600;white-space:nowrap}
.rl-table td:nth-child(2){font-family:var(--font-mono);font-size:14px;color:var(--text-1)}
.rl-table-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 图文分栏 ---------- */
.rl-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  margin-bottom:88px;
}
.rl-split:last-child{margin-bottom:0}
.rl-split-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-deep);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 24px 50px -32px rgba(0,0,0,.9);
}
.rl-split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rl-split-copy h3{
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.35;
  font-weight:600;
  color:var(--text-1);
}
.rl-split-copy p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- FAQ ---------- */
.rl-faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.rl-faq-item{border-bottom:1px solid var(--line)}
.rl-faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text-1);
  transition:color .2s ease;
}
.rl-faq-q:hover{color:var(--cyan)}
.rl-faq-q i{font-size:14px;color:var(--cyan);transition:transform .28s ease;flex:0 0 auto}
.rl-faq-item.is-open .rl-faq-q i{transform:rotate(45deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.rl-faq-a p{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.rl-cta{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:40px;
  align-items:center;
  padding:56px;
  border-radius:20px;
  border:1px solid var(--line-strong);
  background:linear-gradient(118deg,#12245C 0%,#0A1226 58%,#070C16 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 34px 70px -40px rgba(0,0,0,.95);
}
.rl-cta::after{
  content:"";
  position:absolute;
  right:-90px;top:-100px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,240,.26),transparent 70%);
  pointer-events:none;
}
.rl-cta-copy{position:relative;z-index:1}
.rl-cta-copy h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
  font-weight:600;
  color:var(--text-1);
}
.rl-cta-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:560px}
.rl-cta-note{margin-top:14px;font-size:13px;color:var(--text-3)}
.rl-cta-form{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.rl-cta-form input{
  flex:1 1 220px;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:var(--surface-1);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.rl-cta-form input::placeholder{color:var(--text-3)}
.rl-cta-form input:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,214,240,.14);
}

/* ---------- 页脚 ---------- */
footer.rl-footer{
  position:relative;
  z-index:1;
  padding:72px 0 32px;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
}
.rl-footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr .9fr;
  gap:40px;
}
.rl-footer-brand p{
  margin-top:18px;
  max-width:340px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.rl-footer-contact{margin-top:18px;font-size:13px;line-height:2;color:var(--text-3)}
.rl-social{display:flex;gap:10px;margin-top:20px}
.rl-social a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.rl-social a:hover{color:var(--cyan);border-color:var(--line-strong);background:var(--surface-2)}
footer.rl-footer h4{
  margin-bottom:18px;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
}
.rl-footer-links li{margin-bottom:12px}
.rl-footer-links a{
  display:inline-block;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease,transform .2s ease;
}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(-2px)}
.rl-qr{
  width:120px;height:120px;
  display:grid;place-items:center;
  padding:10px;
  border-radius:12px;
  border:1px dashed var(--line-strong);
  background:var(--surface-1);
  font-size:12px;
  line-height:1.6;
  color:var(--text-3);
  text-align:center;
}
.rl-footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .rl-section{padding:72px 0}
  .rl-hero{padding:64px 0 72px}
  .rl-hero-grid{gap:40px}
  .rl-cta{padding:44px;grid-template-columns:1fr;gap:28px}
  footer.rl-footer{padding:60px 0 28px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .rl-nav-left,.rl-nav-right{display:none}
  .rl-burger,.rl-nav-icon{
    display:inline-flex;
    width:40px;height:40px;
    align-items:center;justify-content:center;
    border-radius:var(--radius-sm);
    border:1px solid var(--line);
    color:var(--text-2);
    transition:color .2s ease,border-color .2s ease;
  }
  .rl-burger:hover,.rl-nav-icon:hover{color:var(--text-1);border-color:var(--line-strong)}
  .rl-nav-inner{min-height:64px}
  .rl-nav-inner .rl-logo{position:static;transform:none;margin:0 auto}
  .rl-logo-text{font-size:17px}
  .rl-hero-grid{grid-template-columns:1fr;gap:36px}
  .rl-feature-grid{grid-template-columns:1fr}
  .rl-feature-tall{grid-row:auto}
  .rl-split{grid-template-columns:1fr;gap:28px;margin-bottom:64px}
  .rl-split-media img{aspect-ratio:16/9}
}
@media (max-width:640px){
  .rl-container{padding:0 20px}
  .rl-section{padding:56px 0}
  .rl-hero{padding:48px 0 56px}
  .rl-hero h1{font-size:clamp(28px,8vw,34px)}
  .rl-hero-sub{font-size:16px}
  .rl-hero-actions .rl-btn{width:100%}
  .rl-cta{padding:32px 22px;border-radius:16px}
  .rl-cta-form{flex-direction:column}
  .rl-cta-form .rl-btn{width:100%}
  .rl-section-head{margin-bottom:32px}
  .rl-feature{padding:22px}
  .rl-faq-q{font-size:16px;padding:18px 2px}
  .rl-footer-grid{grid-template-columns:1fr;gap:32px}
  .rl-footer-bottom{margin-top:40px;flex-direction:column}
  .rl-table-wrap{border:0;background:transparent;border-radius:0;overflow:visible}
  .rl-table,.rl-table tbody,.rl-table tr,.rl-table td{display:block;width:100%}
  .rl-table thead{display:none}
  .rl-table tr{
    border-bottom:1px solid var(--line);
    padding:10px 0;
  }
  .rl-table tbody tr:last-child{border-bottom:0}
  .rl-table td{
    border:0;
    padding:8px 4px;
   
  }
  .rl-table td::before{
    content:attr(data-label);
    display:block;
    margin-bottom:4px;
    font-size:12px;
    color:var(--text-3);
  }
  .rl-table td:first-child{white-space:normal}
}
@media (max-width:520px){
  .rl-topbar-text{font-size:12px}
  .rl-stat-value{font-size:42px}
  .rl-feature-num{font-size:34px}
}

/* roulang page: category2 */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Display",var(--font-sans);
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 16px 40px -20px rgba(0,0,0,.8);
  --shadow-card-hover:0 1px 0 rgba(255,255,255,.06) inset, 0 22px 48px -20px rgba(0,0,0,.9);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg-base);color:var(--text-1);font-family:var(--font-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease}
a:hover{color:#7ce6fb}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--text-1)}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:700;line-height:1.2}
h2{font-size:clamp(24px,2.8vw,36px);font-weight:650;line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(43,98,255,.45);color:#fff}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-section{padding:96px 0}
.rl-section-alt{background:linear-gradient(180deg,rgba(12,20,36,.65),rgba(7,12,22,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rl-eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;font-family:var(--font-num);margin-bottom:14px}
.rl-section-head{max-width:760px;margin-bottom:44px}
.rl-section-head h2{margin-bottom:14px}
.rl-section-desc{color:var(--text-2);font-size:16px;line-height:1.8}

/* 公告条 */
.rl-announce{background:var(--bg-deep);border-bottom:1px solid var(--line)}
.rl-announce-inner{height:36px;display:flex;align-items:center;gap:12px}
.rl-announce-dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,214,240,.9)}
.rl-announce-text{flex:1 1 auto;font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rl-announce-close{flex:0 0 auto;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;border:0;background:transparent;color:var(--text-3);cursor:pointer;transition:all .2s ease;appearance:none}
.rl-announce-close:hover{color:var(--text-1);background:var(--surface-2)}

/* 头部与导航 */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(7,12,22,.74);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease}
.rl-header.is-scrolled{background:rgba(6,10,20,.95);border-bottom-color:var(--line);box-shadow:0 12px 32px -24px rgba(0,0,0,.95)}
.rl-nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.rl-nav-group{display:flex;align-items:center;gap:26px;font-size:15px}
.rl-nav-left{flex:1 1 0;justify-content:flex-start}
.rl-nav-right{flex:1 1 0;display:flex;align-items:center;justify-content:flex-end;gap:20px}
.rl-nav-group a{position:relative;color:var(--text-2);padding:6px 0;font-size:15px;transition:color .2s ease}
.rl-nav-group a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px}
.rl-nav-group a:hover{color:var(--text-1)}
.rl-nav-group a:hover::after{transform:scaleX(1)}
.rl-nav-group a.is-active{color:var(--text-1)}
.rl-nav-group a.is-active::after{transform:scaleX(1)}
.rl-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.rl-logo:hover{color:var(--text-1)}
.rl-logo-mark{position:relative;width:30px;height:30px;border-radius:9px;display:inline-grid;place-items:center;border:1.5px solid rgba(53,214,240,.7);background:linear-gradient(135deg,rgba(43,98,255,.4),rgba(53,214,240,.1))}
.rl-logo-mark::before{content:"";position:absolute;inset:5px;border:1px solid rgba(138,170,225,.35);border-radius:5px}
.rl-logo-mark span{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(53,214,240,.95)}
.rl-logo-text{font-size:19px;font-weight:700;letter-spacing:.02em}
.rl-burger,.rl-nav-icon{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-1);cursor:pointer;appearance:none;transition:all .2s ease}
.rl-burger:hover,.rl-nav-icon:hover{border-color:var(--line-strong);color:#fff}
.rl-drawer{position:fixed;inset:0;z-index:120;background:rgba(5,9,18,.98);backdrop-filter:blur(12px);padding:22px;display:none;flex-direction:column;gap:8px}
.rl-drawer.is-open{display:flex}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.rl-drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-1);cursor:pointer;appearance:none}
.rl-drawer-links{display:flex;flex-direction:column;margin-top:8px}
.rl-drawer-links a{display:flex;align-items:center;height:48px;color:var(--text-2);font-size:16px;border-bottom:1px solid var(--line)}
.rl-drawer-links a.is-active{color:var(--cyan)}
.rl-drawer-cta{margin-top:auto}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .2s ease,filter .2s ease;white-space:nowrap;appearance:none;line-height:1}
.rl-btn-primary{color:#fff;background:linear-gradient(180deg,var(--brand),var(--brand-deep));box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8)}
.rl-btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,214,240,.55),0 0 36px -6px rgba(43,98,255,.95)}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-ghost{color:var(--text-1);background:transparent;border-color:var(--line-strong)}
.rl-btn-ghost:hover{color:#fff;border-color:var(--cyan);background:var(--surface-2)}
.rl-btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:15px;font-weight:600;background:none;border:0;padding:0;cursor:pointer}
.rl-btn-text i{transition:transform .2s ease}
.rl-btn-text:hover i{transform:translateX(4px)}
.rl-nav-cta{height:40px;padding:0 18px;font-size:14px}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* 页面标题区 */
.rl-page-head{position:relative;overflow:hidden;padding:76px 0 64px;border-bottom:1px solid var(--line);background-image:linear-gradient(180deg,rgba(7,12,22,.88),rgba(7,12,22,.97)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.rl-page-head::after{content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(43,98,255,.22),transparent 68%);pointer-events:none}
.rl-page-head-inner{position:relative;z-index:2;max-width:820px}
.rl-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.rl-breadcrumb a{color:var(--text-3)}
.rl-breadcrumb a:hover{color:var(--text-1)}
.rl-breadcrumb .is-current{color:var(--text-2)}
.rl-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.04em;color:var(--cyan);background:rgba(53,214,240,.08);border:1px solid rgba(53,214,240,.32);margin-bottom:20px}
.rl-page-head h1{margin-bottom:18px}
.rl-lede{color:var(--text-2);font-size:17px;line-height:1.8;max-width:640px}
.rl-meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:22px;font-size:13px;color:var(--text-3);font-family:var(--font-num)}
.rl-meta-sep{color:rgba(138,170,225,.35)}
.rl-dot-live{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(62,213,152,.6);animation:rl-pulse 2.4s infinite}
@keyframes rl-pulse{0%{box-shadow:0 0 0 0 rgba(62,213,152,.55)}70%{box-shadow:0 0 0 10px rgba(62,213,152,0)}100%{box-shadow:0 0 0 0 rgba(62,213,152,0)}}
.rl-head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* 时间线 */
.rl-timeline{position:relative;max-width:920px;margin:0;padding:0;list-style:none}
.rl-timeline::before{content:"";position:absolute;left:25px;top:16px;bottom:44px;width:1px;background:linear-gradient(180deg,rgba(53,214,240,.55),rgba(53,214,240,.16) 62%,rgba(53,214,240,0))}
.rl-tl-item{position:relative;display:flex;gap:28px;padding-bottom:42px}
.rl-tl-item:last-child{padding-bottom:0}
.rl-tl-num{position:relative;z-index:2;flex:0 0 52px;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:15px;color:var(--cyan);background:var(--surface-1);border:1px solid var(--line-strong);box-shadow:0 0 26px -12px rgba(53,214,240,.85)}
.rl-tl-body{flex:1 1 auto;min-width:0;padding-top:2px}
.rl-tl-body h3{margin-bottom:10px}
.rl-tl-body p{color:var(--text-2);font-size:16px;line-height:1.8;margin-bottom:14px}
.rl-tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.rl-tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--line)}
.rl-tl-item.is-key .rl-tl-num{color:var(--accent);border-color:rgba(242,163,60,.45);box-shadow:0 0 28px -12px rgba(242,163,60,.9)}

/* 图文交替 */
.rl-split{display:flex;align-items:center;gap:56px;flex-wrap:wrap}
.rl-split>.cell{flex:1 1 400px;min-width:0;width:auto}
.rl-split.is-reverse{flex-direction:row-reverse}
.rl-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-1);box-shadow:var(--shadow-card)}
.rl-figure img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.rl-split-body h2{margin-bottom:16px}
.rl-split-body p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:20px}
.rl-check-list{display:flex;flex-direction:column;gap:12px}
.rl-check-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:15.5px;line-height:1.7}
.rl-check-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--cyan);box-shadow:0 0 10px rgba(53,214,240,.7)}
.rl-split-quote{margin-top:24px;padding:16px 20px;border-left:3px solid var(--accent);background:rgba(242,163,60,.06);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-2);font-size:15px;line-height:1.75}

/* FAQ */
.rl-faq{max-width:860px;max-width:none}
.rl-faq-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:0}
.rl-faq-item{border-bottom:1px solid var(--line)}
.rl-faq-item:first-child{border-top:1px solid var(--line)}
.rl-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 0;background:none;border:0;text-align:left;color:var(--text-1);font-size:17px;font-weight:600;line-height:1.5;cursor:pointer;appearance:none;transition:color .2s ease}
.rl-faq-q:hover{color:#fff}
.rl-faq-q i{flex:0 0 auto;color:var(--cyan);font-size:15px;transition:transform .28s ease}
.rl-faq-item.is-open .rl-faq-q i{transform:rotate(45deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.rl-faq-a p{padding:0 0 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:760px}

/* CTA */
.rl-cta{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line-strong);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;background:linear-gradient(118deg,#12224a 0%,#0a1730 46%,#0b1220 100%)}
.rl-cta::after{content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(43,98,255,.42),transparent 70%);pointer-events:none}
.rl-cta-text{position:relative;z-index:2;max-width:600px}
.rl-cta-text h2{margin-bottom:14px}
.rl-cta-text p{color:var(--text-2);font-size:16px;line-height:1.8}
.rl-cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* 页脚 */
footer.rl-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:96px}
.rl-footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.rl-footer-brand .rl-logo{margin-bottom:16px}
.rl-footer-brand>p{color:var(--text-2);font-size:15px;line-height:1.8;max-width:340px}
.rl-footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-3);font-family:var(--font-num)}
.rl-social{display:flex;gap:12px;margin-top:20px}
.rl-social a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:var(--surface-2);transition:all .2s ease}
.rl-social a:hover{color:#fff;border-color:var(--cyan);transform:translateY(-2px)}
.rl-footer-grid h4{font-size:15px;margin-bottom:18px;color:var(--text-1)}
.rl-footer-links{display:flex;flex-direction:column;gap:12px}
.rl-footer-links a{color:var(--text-2);font-size:14.5px;transition:color .2s ease,transform .2s ease;display:inline-block}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(2px)}
.rl-qr{width:132px;height:132px;border-radius:var(--radius-md);border:1px dashed var(--line-strong);background:var(--surface-1);display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;font-size:12px;color:var(--text-3);line-height:1.6}
.rl-footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3);font-family:var(--font-num)}

/* 响应式 */
@media (max-width:1023px){
  .rl-section{padding:72px 0}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  footer.rl-footer{padding-top:56px;margin-top:72px}
  .rl-split{gap:36px}
  .rl-cta{padding:40px}
}
@media (max-width:899px){
  .rl-nav-left,.rl-nav-right{display:none}
  .rl-burger,.rl-nav-icon{display:inline-flex}
  .rl-nav-inner{justify-content:space-between}
  .rl-page-head{padding:56px 0 48px}
}
@media (max-width:767px){
  .rl-container{padding:0 20px}
  .rl-section{padding:56px 0}
  .rl-timeline::before{left:19px}
  .rl-tl-item{gap:18px;padding-bottom:32px}
  .rl-tl-num{flex:0 0 40px;width:40px;height:40px;font-size:13px}
  .rl-tl-body h3{font-size:18px}
  .rl-split{flex-direction:column;align-items:stretch}
  .rl-split.is-reverse{flex-direction:column}
  .rl-split>.cell{flex:1 1 auto}
  .rl-cta{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .rl-cta-actions{width:100%}
  .rl-cta-actions .rl-btn{flex:1 1 auto}
  .rl-head-actions{width:100%}
  .rl-head-actions .rl-btn{flex:1 1 auto}
}
@media (max-width:560px){
  .rl-announce-text{font-size:12px}
  .rl-announce-dot{display:none}
  .rl-footer-grid{grid-template-columns:1fr}
  .rl-footer-bottom{flex-direction:column;gap:8px}
  .rl-logo-text{font-size:17px}
  h1{font-size:27px}
  .rl-faq-q{font-size:16px;padding:20px 0}
  .rl-btn{width:100%}
  .rl-btn-text{width:auto}
}

/* roulang page: category3 */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"JetBrains Mono","Inter","SF Pro Display",ui-monospace,monospace;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 16px 40px -20px rgba(0,0,0,.8);
  --shadow-hover:0 1px 0 rgba(255,255,255,.06) inset,0 22px 48px -18px rgba(0,0,0,.9);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.rl-body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 520px at 92% -8%,rgba(43,98,255,.16),transparent 72%),
    radial-gradient(720px 480px at -6% 44%,rgba(53,214,240,.10),transparent 70%),
    linear-gradient(rgba(138,170,225,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(138,170,225,.045) 1px,transparent 1px);
  background-size:auto,auto,26px 26px,26px 26px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--text-1);font-family:var(--font-cn)}
h1{font-size:clamp(30px,4vw,46px);line-height:1.2;font-weight:700;margin:0 0 18px;letter-spacing:0}
h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:650;margin:0 0 12px}
h3{font-size:20px;line-height:1.4;font-weight:600;margin:0}
p{margin:0 0 16px}
ul{list-style:none}
a:focus-visible,button:focus-visible,.rl-btn:focus-visible,.rl-chip:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;
}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.rl-section{padding:96px 0}
.rl-section-tight{padding:64px 0 96px}
.rl-eyebrow{font-family:var(--font-num);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin:0 0 12px}
.rl-sep{color:var(--text-3);opacity:.6;padding:0 2px}

/* 顶部公告条 */
.rl-topbar{background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.rl-topbar-inner{display:flex;align-items:center;gap:10px;height:36px}
.rl-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);flex:none}
.rl-topbar-text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:36px}
.rl-topbar-close{background:none;border:0;color:var(--text-3);cursor:pointer;padding:4px 8px;border-radius:6px;font-size:13px;line-height:1}
.rl-topbar-close:hover{color:var(--text-1);background:var(--surface-2)}

/* 导航 */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(7,12,22,.74);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,box-shadow .3s}
.rl-header.is-scrolled{background:rgba(5,9,18,.94);border-bottom-color:var(--line);box-shadow:0 14px 34px -26px rgba(0,0,0,.95)}
.rl-nav{position:relative;z-index:61}
.rl-nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:70px}
.rl-nav-group{display:flex;align-items:center;gap:6px;margin:0;padding:0}
.rl-nav-left{justify-content:flex-start}
.rl-nav-right{display:flex;align-items:center;gap:14px;justify-content:flex-end}
.rl-nav-group a{position:relative;display:inline-block;padding:8px 10px;font-size:15px;color:var(--text-2);transition:color .2s}
.rl-nav-group a::after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;border-radius:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.rl-nav-group a:hover{color:var(--text-1)}
.rl-nav-group a:hover::after{transform:scaleX(1)}
.rl-nav-group a.is-active{color:var(--text-1)}
.rl-nav-group a.is-active::after{transform:scaleX(1)}
.rl-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-1)}
.rl-logo-mark{width:30px;height:30px;border-radius:9px;border:1px solid var(--line-strong);display:grid;place-items:center;background:linear-gradient(140deg,rgba(43,98,255,.38),rgba(53,214,240,.16))}
.rl-logo-mark span{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.rl-logo-text{font-size:18px;font-weight:700;letter-spacing:.02em}
.rl-burger,.rl-nav-icon{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);cursor:pointer;padding:0;transition:.2s}
.rl-burger:hover,.rl-nav-icon:hover{color:var(--cyan);border-color:var(--line-strong)}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:12px 20px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .25s,background .25s,border-color .2s,filter .2s,color .2s}
.rl-btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8)}
.rl-btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#fff;box-shadow:0 0 0 1px rgba(53,214,240,.5),0 0 36px -4px rgba(43,98,255,.9)}
.rl-btn-primary:active{transform:translateY(1px)}
.rl-btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-1)}
.rl-btn-ghost:hover{border-color:var(--cyan);background:var(--surface-2);color:var(--text-1)}
.rl-btn-text{color:var(--cyan);background:none;border:0;padding:10px 0;font-weight:600}
.rl-btn-text i{transition:transform .2s}
.rl-btn-text:hover i{transform:translateX(4px)}
.rl-btn-lg{padding:14px 26px;font-size:16px}
.rl-nav-cta{padding:10px 18px;font-size:14px}

/* 移动抽屉 */
.rl-drawer{position:fixed;inset:0;z-index:80;background:rgba(4,7,14,.94);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;padding:78px 20px 28px;overflow-y:auto}
.rl-drawer.is-open{opacity:1;visibility:visible}
.rl-drawer ul{margin:0 0 22px;padding:0}
.rl-drawer li{border-bottom:1px solid var(--line)}
.rl-drawer a{display:flex;align-items:center;justify-content:space-between;min-height:48px;font-size:16px;color:var(--text-2);padding:0 4px}
.rl-drawer a.is-active{color:var(--text-1)}
.rl-drawer a.is-active::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--cyan);margin-right:10px;display:inline-block}
.rl-drawer .rl-btn{width:100%}

/* Hero */
.rl-hero{position:relative;padding:76px 0 60px;border-bottom:1px solid var(--line);overflow:hidden}
.rl-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;opacity:.24;filter:saturate(.85)}
.rl-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,22,.55),rgba(7,12,22,.94))}
.rl-hero .rl-container{position:relative;z-index:2}
.rl-hero-inner{max-width:820px}
.rl-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--cyan);border:1px solid rgba(53,214,240,.4);background:rgba(53,214,240,.08);padding:6px 12px;border-radius:999px;margin-bottom:20px}
.rl-hero-sub{font-size:17px;color:var(--text-2);max-width:660px;margin:0 0 22px}
.rl-meta-line{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--text-3);font-family:var(--font-num);margin-bottom:26px}
.rl-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* 板块标题 */
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.rl-section-head p{margin:0;color:var(--text-2);font-size:15px;max-width:660px}

/* 筛选胶囊 */
.rl-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.rl-chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);white-space:nowrap;transition:.2s}
.rl-chip:hover{color:var(--text-1);border-color:var(--line-strong)}
.rl-chip.is-active{color:#fff;background:rgba(43,98,255,.22);border-color:rgba(53,214,240,.5);box-shadow:0 0 22px -10px rgba(43,98,255,.9)}

/* 卡片网格（Foundation grid-x / cell + 自定义定制） */
.rl-grid{display:flex;flex-wrap:wrap;gap:24px}
.rl-grid>.rl-cell{flex:0 0 calc(33.3333% - 16px);max-width:calc(33.3333% - 16px);width:auto}
.rl-card{display:flex;height:100%;width:100%;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));box-shadow:var(--shadow-card);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.rl-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.rl-card-link{display:flex;flex-direction:column;width:100%}
.rl-card-media{position:relative;aspect-ratio:16/10;background:var(--surface-1);overflow:hidden}
.rl-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.rl-card:hover .rl-card-media img{transform:scale(1.04)}
.rl-card-region{position:absolute;left:12px;top:12px;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(5,9,18,.74);border:1px solid var(--line-strong);color:var(--text-1);backdrop-filter:blur(6px)}
.rl-card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 18px 16px}
.rl-tag{font-size:12px;letter-spacing:.06em;color:var(--cyan)}
.rl-card-body h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-body p{margin:0;font-size:14px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.rl-card-foot i{transition:transform .25s,color .25s}
.rl-card:hover .rl-card-foot i{transform:translateX(4px);color:var(--cyan)}

/* 加载更多 */
.rl-more{margin-top:44px;text-align:center}
.rl-more p{margin:16px 0 0;font-size:13px;color:var(--text-3)}

/* 图文区块 */
.rl-split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.rl-split-media{border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;background:var(--surface-1);aspect-ratio:16/11}
.rl-split-media img{width:100%;height:100%;object-fit:cover}
.rl-split-body p{color:var(--text-2);font-size:16px}
.rl-list{margin:0;padding:0;display:grid;gap:14px}
.rl-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2);line-height:1.75}
.rl-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--cyan);box-shadow:0 0 12px rgba(53,214,240,.7)}
.rl-list li b{color:var(--text-1);font-weight:600}

/* FAQ */
.rl-faq{max-width:860px;margin:0 auto}
.rl-faq-item{border-bottom:1px solid var(--line)}
.rl-faq-q{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;width:100%;background:none;border:0;padding:22px 0;font-family:inherit;font-size:17px;font-weight:600;color:var(--text-1);text-align:left;cursor:pointer}
.rl-faq-q i{color:var(--cyan);font-size:14px;margin-top:6px;transition:transform .3s;flex:none}
.rl-faq-item.is-open .rl-faq-q i{transform:rotate(45deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.rl-faq-item.is-open .rl-faq-a{max-height:360px}
.rl-faq-a p{margin:0 0 22px;padding-right:44px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* CTA */
.rl-cta{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line-strong);padding:48px;background:linear-gradient(118deg,rgba(27,63,214,.34),rgba(7,12,22,.92) 58%),var(--surface-1);box-shadow:var(--shadow-card)}
.rl-cta::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(53,214,240,.22),transparent 68%)}
.rl-cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px}
.rl-cta-inner h2{margin-bottom:10px}
.rl-cta-inner p{margin:0;color:var(--text-2);font-size:15px;max-width:560px}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* 页脚 */
footer.rl-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px}
.rl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.rl-footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin:16px 0}
.rl-footer-contact{font-size:13px;color:var(--text-3);line-height:1.95}
.rl-footer h4{font-size:15px;font-weight:600;margin:0 0 16px;color:var(--text-1)}
.rl-footer-links{margin:0;padding:0;display:grid;gap:10px}
.rl-footer-links a{display:inline-block;font-size:14px;color:var(--text-2);transition:color .2s,transform .2s}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(-2px)}
.rl-social{display:flex;gap:10px;margin-top:18px}
.rl-social a{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);color:var(--text-2);transition:.2s}
.rl-social a:hover{color:var(--cyan);border-color:var(--line-strong);background:var(--surface-2)}
.rl-qr{border:1px dashed var(--line-strong);border-radius:12px;padding:24px 14px;text-align:center;font-size:13px;color:var(--text-3);background:var(--surface-2)}
.rl-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

@media (max-width:1023px){
  .rl-section{padding:72px 0}
  .rl-section-tight{padding:52px 0 72px}
  .rl-grid>.rl-cell{flex:0 0 calc(50% - 12px);max-width:calc(50% - 12px)}
  .rl-split{grid-template-columns:1fr;gap:32px}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  footer.rl-footer{margin-top:72px}
}
@media (max-width:899px){
  .rl-burger{display:inline-flex}
  .rl-nav-icon{display:inline-flex}
  .rl-nav-inner{grid-template-columns:auto 1fr auto;height:62px}
  .rl-logo{justify-self:center}
  .rl-nav-left,.rl-nav-right{display:none}
  .rl-topbar-text{max-width:100%}
}
@media (max-width:639px){
  .rl-container{padding:0 20px}
  .rl-section{padding:56px 0}
  .rl-section-tight{padding:40px 0 56px}
  .rl-grid{gap:16px}
  .rl-grid>.rl-cell{flex:0 0 100%;max-width:100%}
  .rl-hero{padding:56px 0 44px}
  .rl-hero-sub{font-size:16px}
  .rl-cta{padding:30px 22px}
  .rl-cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .rl-cta-actions{width:100%}
  .rl-cta-actions .rl-btn{width:100%}
  .rl-hero-actions{width:100%}
  .rl-hero-actions .rl-btn-ghost{width:100%}
  .rl-section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .rl-faq-a p{padding-right:0}
  .rl-footer-grid{grid-template-columns:1fr;gap:28px}
  footer.rl-footer{padding:48px 0 24px;margin-top:56px}
}

/* roulang page: category4 */
:root{
  --bg-base:#070C16;
  --bg-deep:#050912;
  --surface-1:#0C1424;
  --surface-2:rgba(255,255,255,.045);
  --line:rgba(138,170,225,.14);
  --line-strong:rgba(138,170,225,.28);
  --brand:#2B62FF;
  --brand-deep:#1B3FD6;
  --cyan:#35D6F0;
  --accent:#F2A33C;
  --live:#FF4D5E;
  --ok:#3ED598;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7E96;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 16px 40px -20px rgba(0,0,0,.8);
  --shadow-hover:0 1px 0 rgba(255,255,255,.06) inset, 0 24px 52px -22px rgba(0,0,0,.9);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Display","JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.3;color:var(--text-1);}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;font-weight:700;letter-spacing:0;}
h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 16px;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
::selection{background:rgba(53,214,240,.28);color:#fff;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.rl-mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* 顶部公告条 */
.rl-topbar{
  height:36px;
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
  display:flex;
  align-items:center;
}
.rl-topbar-inner{display:flex;align-items:center;gap:10px;width:100%;}
.rl-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,214,240,.9);flex:0 0 auto;}
.rl-topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto;}
.rl-topbar-text b{color:var(--text-2);font-weight:600;}
.rl-topbar-close{color:var(--text-3);font-size:12px;padding:4px 6px;border-radius:6px;flex:0 0 auto;}
.rl-topbar-close:hover{color:var(--text-1);background:var(--surface-2);}

/* 导航 */
.rl-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rl-header.is-stuck{background:rgba(5,9,18,.94);border-bottom-color:var(--line);box-shadow:0 14px 40px -28px rgba(0,0,0,.95);}
.rl-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.rl-nav-group{display:flex;align-items:center;gap:26px;}
.rl-nav-group a{
  font-size:15px;
  color:var(--text-2);
  position:relative;
  padding:6px 0;
  white-space:nowrap;
}
.rl-nav-group a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--cyan);
  border-radius:2px;
  transition:width .24s ease;
}
.rl-nav-group a:hover{color:var(--text-1);}
.rl-nav-group a:hover::after{width:100%;}
.rl-nav-group a.is-active{color:var(--text-1);font-weight:600;}
.rl-nav-group a.is-active::after{width:100%;}
.rl-logo{display:inline-flex;align-items:center;gap:10px;}
.rl-logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 22px -6px rgba(43,98,255,.85);
  flex:0 0 auto;
}
.rl-logo-mark span{width:12px;height:12px;border-radius:50%;border:2px solid rgba(234,241,251,.92);display:block;position:relative;}
.rl-logo-mark span::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--cyan);}
.rl-logo-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text-1);}
.rl-nav-right{display:flex;align-items:center;gap:26px;}
.rl-nav-cta{white-space:nowrap;}
.rl-nav-icon{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  align-items:center;justify-content:center;
  flex:0 0 auto;
}
.rl-nav-icon:hover{color:var(--text-1);border-color:var(--cyan);}
.rl-burger{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  align-items:center;justify-content:center;
  flex:0 0 auto;
}
.rl-burger:hover{color:var(--text-1);border-color:var(--cyan);}
.rl-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(5,9,18,.98);
  padding:12px 0 24px;
}
.rl-drawer.is-open{display:block;}
.rl-drawer ul li a{
  display:block;
  height:48px;
  line-height:48px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.rl-drawer ul li a.is-active{color:var(--text-1);font-weight:600;}
.rl-drawer .rl-btn{margin-top:18px;width:100%;}

/* 按钮 */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  border:1px solid transparent;
}
.rl-btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  box-shadow:0 0 0 1px rgba(53,214,240,.35),0 0 28px -6px rgba(43,98,255,.8);
}
.rl-btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,214,240,.5),0 0 36px -4px rgba(43,98,255,.9);}
.rl-btn-primary:active{transform:translateY(1px);}
.rl-btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line-strong);
  color:var(--text-1);
}
.rl-btn-ghost:hover{border-color:var(--cyan);background:var(--surface-2);}
.rl-btn-text{color:var(--cyan);padding:6px 0;font-size:15px;font-weight:600;}
.rl-btn-text i{transition:transform .2s ease;}
.rl-btn-text:hover i{transform:translateX(4px);}

/* 徽章与标签 */
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(53,214,240,.42);
  color:var(--cyan);
  background:rgba(53,214,240,.07);
  letter-spacing:.06em;
}
.rl-badge-accent{border-color:rgba(242,163,60,.45);color:var(--accent);background:rgba(242,163,60,.08);}
.rl-badge-live{border-color:rgba(255,77,94,.45);color:#ffb3ba;background:rgba(255,77,94,.1);}
.rl-badge-live .rl-pulse{width:6px;height:6px;border-radius:50%;background:var(--live);animation:rlPulse 1.8s ease-in-out infinite;}
@keyframes rlPulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,77,94,.6);}50%{opacity:.55;box-shadow:0 0 0 6px rgba(255,77,94,0);}}

/* Hero */
.rl-hero{
  position:relative;
  padding:84px 0 64px;
  background:
    radial-gradient(circle at 88% 8%, rgba(43,98,255,.18), transparent 52%),
    radial-gradient(circle at 4% 92%, rgba(53,214,240,.16), transparent 54%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat,
    var(--bg-base);
  overflow:hidden;
}
.rl-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(138,170,225,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(138,170,225,.055) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.rl-hero-inner{position:relative;z-index:1;max-width:860px;}
.rl-breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.rl-breadcrumb a{color:var(--text-3);}
.rl-breadcrumb a:hover{color:var(--cyan);}
.rl-breadcrumb .rl-sep{color:rgba(110,126,150,.7);}
.rl-breadcrumb .rl-current{color:var(--text-2);}
.rl-hero h1{margin-bottom:18px;}
.rl-hero-sub{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:22px;}
.rl-hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
  padding-top:18px;border-top:1px solid var(--line);
}
.rl-hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.rl-hero-meta i{color:var(--cyan);font-size:12px;}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* 统计条 */
.rl-stats{padding:56px 0 8px;}
.rl-stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.rl-stat-num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--text-1);line-height:1.1;}
.rl-stat-num em{font-style:normal;color:var(--accent);}
.rl-stat-label{font-size:13px;color:var(--text-3);margin-top:8px;}

/* 通用板块 */
.rl-section{padding:96px 0;}
.rl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.rl-section-head p{color:var(--text-3);font-size:15px;margin:12px 0 0;max-width:660px;}
.rl-eyebrow{font-size:12px;letter-spacing:.1em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px;display:block;}

/* FAQ */
.rl-faq-grid{row-gap:24px;}
.rl-faq-col{display:flex;flex-direction:column;gap:14px;}
.rl-faq-item{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.rl-faq-item:hover{border-color:var(--line-strong);}
.rl-faq-item.is-open{border-color:rgba(53,214,240,.42);box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 18px 46px -22px rgba(43,98,255,.6);}
.rl-faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text-1);
  line-height:1.5;
}
.rl-faq-icon{
  position:relative;
  width:18px;height:18px;flex:0 0 auto;
  transition:transform .28s ease;
}
.rl-faq-icon::before,.rl-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--cyan);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.rl-faq-icon::before{width:14px;height:2px;}
.rl-faq-icon::after{width:2px;height:14px;}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg);}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.rl-faq-item.is-open .rl-faq-a{max-height:420px;}
.rl-faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-3);
  border-top:1px solid var(--line);
  padding-top:16px;
  margin:0 22px 22px;
  padding-left:0;padding-right:0;
}
.rl-faq-a-inner strong{color:var(--text-2);font-weight:600;}

/* 图文信息块 */
.rl-info{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rl-info-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.rl-info-row + .rl-info-row{margin-top:88px;}
.rl-info-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:linear-gradient(180deg,rgba(12,20,36,.9),rgba(5,9,18,.95));
}
.rl-info-media img{width:100%;height:100%;object-fit:cover;}
.rl-info-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,0) 40%,rgba(7,12,22,.72));
}
.rl-info-body h3{margin-bottom:14px;font-size:clamp(22px,2.2vw,28px);}
.rl-info-body p{color:var(--text-2);font-size:16px;}
.rl-check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.rl-check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.rl-check-list i{color:var(--cyan);margin-top:6px;font-size:12px;flex:0 0 auto;}

/* 表单 */
.rl-form-card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:var(--shadow-card);
}
.rl-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.rl-field{display:flex;flex-direction:column;gap:8px;}
.rl-field-full{grid-column:1 / -1;}
.rl-field label{font-size:14px;color:var(--text-2);}
.rl-field input,.rl-field textarea{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:13px 14px;
  font-size:15px;
  color:var(--text-1);
  transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.rl-field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.rl-field input::placeholder,.rl-field textarea::placeholder{color:var(--text-3);}
.rl-field input:focus,.rl-field textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 1px rgba(53,214,240,.45),0 0 22px -6px rgba(53,214,240,.75);
}
.rl-field.has-error input,.rl-field.has-error textarea{border-color:var(--live);box-shadow:0 0 0 1px rgba(255,77,94,.4);}
.rl-field-error{font-size:13px;color:#ff8d98;}
.rl-form-note{font-size:13px;color:var(--text-3);margin-top:16px;}
.rl-alert{
  display:flex;align-items:center;gap:10px;
  border-radius:var(--radius-sm);
  padding:12px 16px;
  font-size:14px;
  margin-bottom:22px;
}
.rl-alert-ok{background:rgba(62,213,152,.1);border:1px solid rgba(62,213,152,.4);color:#9df0c6;}
.rl-alert-err{background:rgba(255,77,94,.1);border:1px solid rgba(255,77,94,.42);color:#ffb3ba;}

/* CTA */
.rl-cta-wrap{padding:96px 0 104px;}
.rl-cta{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  border-radius:var(--radius-lg);
  padding:48px;
  background:
    radial-gradient(circle at 90% 20%, rgba(53,214,240,.22), transparent 55%),
    linear-gradient(120deg,#12245e 0%,#0a1730 55%,#050912 100%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
}
.rl-cta h2{max-width:640px;margin-bottom:12px;}
.rl-cta p{color:var(--text-2);margin:0;max-width:600px;font-size:15px;}
.rl-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
footer.rl-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:72px 0 32px;
}
.rl-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.rl-footer-brand p{color:var(--text-3);font-size:14px;margin:18px 0;max-width:340px;}
.rl-footer-contact{font-size:13.5px;color:var(--text-3);line-height:2;}
.rl-social{display:flex;gap:10px;margin-top:18px;}
.rl-social a{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.rl-social a:hover{color:var(--cyan);border-color:var(--cyan);background:var(--surface-2);}
.rl-footer-grid h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--text-1);}
.rl-footer-links{display:flex;flex-direction:column;gap:12px;}
.rl-footer-links a{font-size:14px;color:var(--text-3);display:inline-block;transition:transform .2s ease,color .2s ease;}
.rl-footer-links a:hover{color:var(--text-1);transform:translateX(2px);}
.rl-qr{
  width:132px;height:132px;
  border-radius:var(--radius-sm);
  border:1px dashed var(--line-strong);
  background:
    repeating-linear-gradient(45deg,rgba(53,214,240,.05) 0 8px,transparent 8px 16px),
    var(--surface-1);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12.5px;
  color:var(--text-3);
  padding:14px;
  line-height:1.6;
}
.rl-footer-bottom{
  margin-top:56px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* 响应式 */
@media (min-width:900px){
  .rl-nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;}
  .rl-nav-left{justify-self:start;}
  .rl-nav-right{justify-self:end;}
}
@media (max-width:1023px){
  .rl-section{padding:72px 0;}
  .rl-hero{padding:64px 0 52px;}
  .rl-stats-grid{grid-template-columns:repeat(2,1fr);padding:24px;}
  .rl-info-row{gap:36px;}
  .rl-footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:899px){
  .rl-nav-group,.rl-nav-cta{display:none;}
  .rl-burger{display:inline-flex;}
  .rl-nav-icon{display:inline-flex;}
  .rl-nav-inner{height:64px;}
  .rl-nav-right{display:none;}
}
@media (max-width:767px){
  .rl-info-row{grid-template-columns:1fr;gap:24px;}
  .rl-info-row + .rl-info-row{margin-top:56px;}
  .rl-form-grid{grid-template-columns:1fr;}
  .rl-cta{padding:32px;}
}
@media (max-width:640px){
  .rl-container{padding:0 20px;}
  .rl-section{padding:56px 0;}
  .rl-hero{padding:52px 0 44px;}
  .rl-hero-sub{font-size:16px;}
  .rl-hero-actions .rl-btn{width:100%;}
  .rl-stats{padding:40px 0 0;}
  .rl-stats-grid{grid-template-columns:1fr;gap:18px;}
  .rl-stat-num{font-size:28px;}
  .rl-form-card{padding:24px;}
  .rl-faq-q{font-size:16px;padding:18px;}
  .rl-cta-actions .rl-btn{width:100%;}
  .rl-footer-grid{grid-template-columns:1fr;gap:32px;}
  .rl-footer-bottom{flex-direction:column;gap:8px;}
}