/* roulang page: index */
:root{
  --ink-950:#05070E; --ink-900:#0A1020; --ink-850:#101A2E;
  --glass-fill:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.13);
  --glass-top:rgba(255,255,255,.22);
  --accent:#2FE6C8; --amber:#FFB73D; --magenta:#FF5A8A; --success:#35D07F;
  --thi:#EAF2FF; --tmid:#A9B6D4; --tlow:#6C7A9C;
  --r-card:16px; --r-btn:12px;
  --shadow-deep:0 18px 40px -20px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,230,200,.35),0 10px 30px -10px rgba(47,230,200,.5);
  --glow-hover:0 0 0 1px rgba(47,230,200,.5),0 14px 42px -12px rgba(47,230,200,.7);
  --ctn:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.rl-body{
  margin:0;background:var(--ink-950);color:var(--tmid);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--tmid);text-decoration:none;transition:color .15s ease-out}
a:hover{color:var(--thi)}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.tnum{font-variant-numeric:tabular-nums}
.rl-container{max-width:var(--ctn);margin:0 auto;padding:0 16px;width:100%}
@media(min-width:640px){.rl-container{padding:0 24px}}
@media(min-width:1024px){.rl-container{padding:0 40px}}

/* ---------- 头部导航 ---------- */
.rl-header{position:sticky;top:0;z-index:60;height:56px;display:flex;align-items:center;
  background:rgba(5,7,14,.55);border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease}
.rl-header.is-scrolled{background:rgba(10,16,32,.78);backdrop-filter:blur(16px);border-bottom-color:var(--glass-line)}
@media(min-width:1024px){.rl-header{height:64px}}
.rl-nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.rl-logo{display:flex;flex-direction:column;line-height:1.1;gap:2px}
.rl-logo-mark{font-size:17px;font-weight:800;color:var(--thi);letter-spacing:.5px}
.rl-logo-sub{font-size:11px;letter-spacing:3px;color:var(--accent);font-weight:600}
.rl-nav-links{display:none;align-items:center;gap:6px}
@media(min-width:1024px){.rl-nav-links{display:flex}}
.rl-nav-link{position:relative;padding:8px 12px;font-size:14px;color:var(--tmid);border-radius:8px}
.rl-nav-link:hover{color:var(--thi)}
.rl-nav-link.is-active{color:var(--thi)}
.rl-nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(47,230,200,.75)}
.rl-nav-side{display:flex;align-items:center;gap:10px}
.rl-count-pill{display:none;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;
  background:var(--glass-fill);border:1px solid var(--glass-line);font-size:12px;color:var(--tlow)}
@media(min-width:768px){.rl-count-pill{display:inline-flex}}
.rl-count-pill b{color:var(--amber);font-weight:700;font-size:13px}
.rl-live-badge{display:none;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:rgba(255,90,138,.16);border:1px solid rgba(255,90,138,.5);color:#FFD9E4;font-size:12px;font-weight:600}
@media(min-width:640px){.rl-live-badge{display:inline-flex}}
.rl-dot{width:6px;height:6px;border-radius:50%;background:var(--magenta);animation:rl-breathe 1.6s ease-in-out infinite}
@keyframes rl-breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.rl-burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--thi);cursor:pointer}
@media(min-width:1024px){.rl-burger{display:none}}

/* ---------- 抽屉 ---------- */
.rl-mask{position:fixed;inset:0;background:rgba(2,4,9,.66);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80}
.rl-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,88vw);z-index:90;transform:translateX(102%);
  transition:transform .28s ease-out;background:rgba(10,16,32,.94);backdrop-filter:blur(18px);
  border-left:1px solid var(--glass-line);padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.rl-drawer.is-open{transform:translateX(0)}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--glass-line);margin-bottom:8px}
.rl-drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;font-size:15px;color:var(--tmid)}
.rl-drawer-link:hover{background:var(--glass-fill);color:var(--thi)}
.rl-drawer-link.is-active{color:var(--thi);background:rgba(47,230,200,.1);box-shadow:inset 2px 0 0 var(--accent)}

/* ---------- 按钮 ---------- */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  font-size:15px;font-weight:600;border-radius:var(--r-btn);cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease-out,box-shadow .15s ease-out,background .15s ease-out,color .15s ease-out,opacity .15s ease-out}
@media(min-width:1024px){.rl-btn{min-height:48px}}
.rl-btn-primary{background:var(--accent);color:#05070E;box-shadow:var(--glow)}
.rl-btn-primary:hover{color:#05070E;box-shadow:var(--glow-hover)}
.rl-btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-glass{background:var(--glass-fill);border-color:var(--glass-line);color:var(--thi)}
.rl-btn-glass:hover{color:var(--thi);border-color:rgba(47,230,200,.5);box-shadow:0 8px 26px -14px rgba(47,230,200,.6)}
.rl-btn-ghost{background:transparent;border-color:var(--glass-line);color:var(--tmid)}
.rl-btn-ghost:hover{color:var(--thi);border-color:rgba(255,255,255,.3)}
.rl-btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.rl-btn[disabled],.rl-btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.rl-text-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);background:none;border:0;padding:8px 0;cursor:pointer}
.rl-text-btn svg{transition:transform .15s ease-out}
.rl-text-btn:hover{color:#7FF3E1}
.rl-text-btn:hover svg{transform:translateX(3px)}

/* ---------- 通用块 ---------- */
.rl-section{position:relative;padding:56px 0}
@media(min-width:1024px){.rl-section{padding:104px 0}}
.rl-section--alt{background:var(--ink-900)}
.rl-aura{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(58% 52% at 50% -12%,rgba(47,230,200,.10),transparent 72%)}
.rl-grid-deco{position:absolute;inset:0 0 auto 0;height:220px;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%)}
.rl-h1{font-size:clamp(32px,4.6vw,52px);font-weight:800;line-height:1.25;letter-spacing:-.5px;color:var(--thi);margin:0 0 14px}
.rl-h2{font-size:clamp(24px,2.7vw,32px);font-weight:700;line-height:1.35;color:var(--thi);margin:0}
.rl-h2bar{position:relative;padding-left:14px}
.rl-h2bar::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 14px rgba(47,230,200,.6)}
.rl-h3{font-size:19px;font-weight:600;color:var(--thi);margin:0;line-height:1.5}
.rl-lead{font-size:16px;color:var(--tmid);margin:0;max-width:60ch}
.rl-muted{color:var(--tlow);font-size:13px;letter-spacing:.3px}
.rl-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
@media(min-width:1024px){.rl-head{margin-bottom:40px}}

/* ---------- 玻璃 ---------- */
.rl-glass{position:relative;background:var(--glass-fill);border:1px solid var(--glass-line);
  border-radius:var(--r-card);box-shadow:var(--shadow-deep);backdrop-filter:blur(12px)}
.rl-glass::before{content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-top),transparent)}
.rl-bevel{clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);border-radius:0}
.rl-bevel::before{left:0;right:0}

/* ---------- 徽章 ---------- */
.rl-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--tmid);white-space:nowrap}
.rl-pill--up{border-color:rgba(47,230,200,.55);color:#9BF4E5}
.rl-pill--live{background:var(--magenta);border-color:var(--magenta);color:#fff}
.rl-pill--replay{color:#9FB0D0;border-color:rgba(255,255,255,.18)}
.rl-pill--amber{color:var(--amber);border-color:rgba(255,183,61,.45)}

/* ---------- Hero ---------- */
.rl-hero{position:relative;padding:40px 0 56px}
@media(min-width:1024px){.rl-hero{padding:64px 0 104px}}
.rl-hero-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.rl-hero-grid{grid-template-columns:7fr 5fr;gap:28px;align-items:start}}
.rl-cover{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--ink-850)}
.rl-cover img{width:100%;height:100%;object-fit:cover}
.rl-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.15) 0%,rgba(5,7,14,.05) 40%,rgba(5,7,14,.86) 100%)}
.rl-cover-top{position:absolute;left:14px;top:14px;z-index:2}
.rl-cover-bottom{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  background:rgba(10,16,32,.6);border:1px solid var(--glass-line);border-radius:12px;padding:8px 12px;backdrop-filter:blur(10px)}
.rl-cover-bottom strong{color:var(--thi);font-size:14px;font-weight:600}
.rl-cover-bottom span{color:var(--tlow);font-size:12px}
.rl-points{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}
.rl-point{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--glass-fill);
  border:1px solid var(--glass-line);transition:border-color .15s ease,transform .15s ease}
.rl-point:hover{border-color:rgba(47,230,200,.4);transform:translateY(-2px)}
.rl-point-num{font-weight:700;font-size:13px;color:var(--accent)}
.rl-point-title{color:var(--thi);font-size:14px;font-weight:600}
.rl-point-time{margin-left:auto;font-size:12px;color:var(--amber)}

.rl-count-card{padding:24px}
.rl-count-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--glass-line);
  border-radius:12px;overflow:hidden;margin-bottom:18px}
.rl-count-cell{background:rgba(10,16,32,.72);padding:14px 6px;text-align:center}
.rl-count-num{font-size:clamp(24px,3.2vw,38px);font-weight:700;color:var(--amber);line-height:1.1}
@media(min-width:1024px){.rl-count-num{font-size:38px}}
.rl-count-unit{font-size:12px;color:var(--tlow);letter-spacing:.4px;margin-top:2px}
.rl-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.rl-cta-row .rl-btn{flex:1 1 160px}
.rl-heat{display:flex;align-items:center;gap:18px;padding-top:16px;border-top:1px solid var(--glass-line);font-size:13px;color:var(--tlow)}
.rl-heat b{color:var(--amber);font-weight:700}

/* ---------- 时间轴轨 ---------- */
.rl-rail-wrap{position:relative}
.rl-rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.rl-rail::-webkit-scrollbar{height:6px}
.rl-rail::-webkit-scrollbar-track{background:var(--ink-900);border-radius:99px}
.rl-rail::-webkit-scrollbar-thumb{background:var(--glass-line);border-radius:99px}
.rl-rail::-webkit-scrollbar-thumb:hover{background:rgba(47,230,200,.4)}
.rl-rail-item{flex:0 0 80%;scroll-snap-align:start;min-width:0}
@media(min-width:640px){.rl-rail-item{flex:0 0 calc((100% - 20px)/2)}}
@media(min-width:1024px){.rl-rail-item{flex:0 0 calc((100% - 60px)/4)}}
.rl-card{display:flex;flex-direction:column;gap:12px;padding:20px;border-radius:var(--r-card);
  background:var(--glass-fill);border:1px solid var(--glass-line);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.rl-card:hover{transform:translateY(-4px);border-color:rgba(47,230,200,.45);box-shadow:0 20px 44px -24px rgba(0,0,0,.9)}
.rl-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:12px;border:1px solid var(--glass-line);background:var(--ink-850)}
.rl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rl-card:hover .rl-thumb img{transform:scale(1.04)}
.rl-thumb-badge{position:absolute;left:10px;top:10px;z-index:2}
.rl-rail-time{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--amber);font-weight:700}
.rl-rail-time span{color:var(--tlow);font-weight:400}
.rl-clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}
.rl-rail-nav{display:none;gap:8px}
@media(min-width:1024px){.rl-rail-nav{display:flex}}
.rl-rail-btn{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--thi);cursor:pointer;transition:border-color .15s ease}
.rl-rail-btn:hover{border-color:rgba(47,230,200,.55)}

/* ---------- Bento ---------- */
.rl-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.rl-bento-big{position:relative;overflow:hidden;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;min-height:300px;
  border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--ink-850)}
.rl-bento-big img.rl-bento-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.rl-bento-big::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.3),rgba(5,7,14,.9))}
.rl-bento-big>*{position:relative;z-index:2}
.rl-bento-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.rl-bento-list li{display:flex;gap:10px;font-size:14px;color:var(--tmid)}
.rl-bento-list li::before{content:"";flex:0 0 6px;height:6px;margin-top:9px;border-radius:2px;background:var(--accent)}
.rl-strip{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--r-card);
  background:var(--glass-fill);border:1px solid var(--glass-line);transition:transform .18s ease,border-color .18s ease}
.rl-strip:hover{transform:translateY(-4px);border-color:rgba(47,230,200,.4)}
.rl-strip-icon{flex:0 0 44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,230,200,.12);border:1px solid rgba(47,230,200,.35);color:var(--accent)}
.rl-strip p{margin:4px 0 0;font-size:14px;color:var(--tmid)}

/* ---------- CMS 列表 ---------- */
.rl-posts{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.rl-posts{grid-template-columns:repeat(2,1fr)}}
.rl-post{display:flex;flex-direction:column;gap:14px;padding:20px;border-radius:var(--r-card);
  background:var(--glass-fill);border:1px solid var(--glass-line);height:100%;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.rl-post:hover{transform:translateY(-4px);border-color:rgba(47,230,200,.45);box-shadow:0 20px 44px -24px rgba(0,0,0,.9);color:inherit}
.rl-post-title{font-size:18px;font-weight:600;color:var(--thi);line-height:1.55;margin:0}
.rl-post-ex{font-size:15px;color:var(--tmid);margin:0}
.rl-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 20px;text-align:center;border-radius:var(--r-card);border:1px dashed var(--glass-line);background:var(--glass-fill)}
.rl-empty svg{opacity:.65}

/* ---------- 回放与转化 ---------- */
.rl-split{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.rl-split{grid-template-columns:8fr 4fr;gap:28px}}
.rl-replay-item{display:flex;gap:16px;align-items:center;padding:14px;border-radius:var(--r-card);
  background:var(--glass-fill);border:1px solid var(--glass-line);transition:transform .18s ease,border-color .18s ease}
.rl-replay-item:hover{transform:translateX(4px);border-color:rgba(47,230,200,.42)}
.rl-replay-thumb{flex:0 0 132px;aspect-ratio:16/9;overflow:hidden;border-radius:10px;border:1px solid var(--glass-line);background:var(--ink-850)}
.rl-replay-thumb img{width:100%;height:100%;object-fit:cover}
@media(max-width:520px){.rl-replay-thumb{flex:0 0 96px}}
.rl-play{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--accent)}
.rl-qr{width:112px;height:112px;border-radius:12px;border:1px dashed var(--glass-line);background:rgba(255,255,255,.04);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--tlow);font-size:11px}
.rl-social{display:flex;gap:10px;margin-top:16px}
.rl-social a{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--tmid)}
.rl-social a:hover{color:var(--thi);border-color:rgba(47,230,200,.5)}

/* ---------- 订阅条 ---------- */
.rl-subscribe{display:flex;flex-direction:column;gap:20px;padding:24px;align-items:stretch}
@media(min-width:768px){.rl-subscribe{flex-direction:row;align-items:center;justify-content:space-between;gap:32px;padding:28px 32px}}
.rl-form{display:flex;flex-wrap:wrap;gap:12px;width:100%}
@media(min-width:768px){.rl-form{width:auto;flex:0 0 auto}}
.rl-field{flex:1 1 220px;min-width:0;display:flex}
.rl-input{width:100%;min-height:48px;padding:0 16px;border-radius:var(--r-btn);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);color:var(--thi);transition:border-color .15s ease,box-shadow .15s ease}
.rl-input::placeholder{color:var(--tlow)}
.rl-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,230,200,.18)}
.rl-input.is-error{border-color:var(--magenta);box-shadow:0 0 0 3px rgba(255,90,138,.16)}
.rl-form-note{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--tlow);margin-top:10px;flex-basis:100%}
.rl-form-msg{font-size:13px;margin-top:8px;flex-basis:100%}
.rl-form-msg.is-ok{color:var(--success)}
.rl-form-msg.is-bad{color:var(--magenta)}

/* ---------- FAQ ---------- */
.rl-faq{max-width:820px;margin:0 auto;display:grid;gap:14px}
.rl-faq-item{border:1px solid var(--glass-line);border-radius:14px;background:var(--glass-fill);overflow:hidden;
  transition:border-color .18s ease,background .18s ease}
.rl-faq-item.is-open{border-color:rgba(47,230,200,.45);box-shadow:inset 2px 0 0 var(--accent);background:rgba(47,230,200,.05)}
.rl-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;
  padding:14px 18px;background:none;border:0;color:var(--thi);font-size:16px;font-weight:600;text-align:left;cursor:pointer}
.rl-faq-icon{flex:0 0 22px;transition:transform .22s ease-out;color:var(--accent)}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.rl-faq-a p{margin:0;padding:0 18px 18px;font-size:15px;color:var(--tmid);line-height:1.8}

/* ---------- 页脚 ---------- */
.rl-footer{position:relative;background:var(--ink-900);border-top:1px solid var(--glass-line);padding:56px 0 28px}
@media(min-width:1024px){.rl-footer{padding:72px 0 32px}}
.rl-footer-brand{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:flex-start;padding-bottom:32px;border-bottom:1px solid var(--glass-line)}
.rl-footer-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 20px;padding:32px 0}
@media(min-width:768px){.rl-footer-cols{grid-template-columns:repeat(4,1fr)}}
.rl-footer-title{font-size:13px;font-weight:700;color:var(--thi);letter-spacing:.8px;margin:0 0 14px}
.rl-footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.rl-footer-list a{font-size:14px;color:var(--tmid)}
.rl-footer-list a:hover{color:var(--thi)}
.rl-footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding-top:24px;border-top:1px solid var(--glass-line);font-size:12px;color:var(--tlow)}

/* roulang page: category1 */
:root{
  --ink-950:#05070E;
  --ink-900:#0A1020;
  --ink-850:#101a2e;
  --glass:rgba(255,255,255,0.055);
  --glass-strong:rgba(255,255,255,0.08);
  --glass-line:rgba(255,255,255,0.13);
  --glass-hi:rgba(255,255,255,0.22);
  --accent:#2FE6C8;
  --amber:#FFB73D;
  --magenta:#FF5A8A;
  --success:#35D07F;
  --thi:#EAF2FF;
  --tmid:#A9B6D4;
  --tlow:#6C7A9C;
  --r-card:16px;
  --r-lg:18px;
  --r-btn:12px;
  --shadow-deep:0 18px 40px -20px rgba(0,0,0,0.85);
  --shadow-glow:0 0 0 1px rgba(47,230,200,0.35), 0 10px 30px -10px rgba(47,230,200,0.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tmid);
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .15s ease-out}
a:hover{color:var(--thi)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--thi);font-weight:700;line-height:1.3}
p{margin:0}
input{font:inherit}
::selection{background:rgba(47,230,200,0.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.rl-container{padding:0 24px}}
@media (min-width:1024px){.rl-container{padding:0 40px}}

/* ---------- 顶部导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:80;
  height:64px;
  display:flex;align-items:center;
  background:rgba(5,7,14,0.55);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,backdrop-filter .2s ease-out;
}
.rl-header.is-scrolled{
  background:rgba(10,16,32,0.82);
  border-bottom-color:var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.rl-header-inner{display:flex;align-items:center;gap:16px;width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.rl-header-inner{padding:0 24px}}
@media (min-width:1024px){.rl-header-inner{padding:0 40px}}

.rl-logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0}
.rl-logo-mark{
  font-size:18px;font-weight:800;letter-spacing:-0.4px;color:var(--thi);
}
.rl-logo-sub{
  font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--accent);
  padding:2px 8px;border:1px solid rgba(47,230,200,0.4);border-radius:999px;
  background:rgba(47,230,200,0.08);
}
.rl-nav-links{display:none;align-items:center;gap:4px;margin-left:12px}
@media (min-width:1024px){.rl-nav-links{display:flex}}
.rl-nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 12px;
  font-size:14px;font-weight:500;color:var(--tmid);
  border-radius:10px;
}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.rl-nav-link:hover{color:var(--thi)}
.rl-nav-link:hover::after{transform:scaleX(1)}
.rl-nav-link.is-active{color:var(--thi);font-weight:600}
.rl-nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(47,230,200,0.7)}

.rl-header-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.rl-live-badge{
  display:none;align-items:center;gap:7px;
  height:34px;padding:0 12px;
  font-size:12px;font-weight:600;color:var(--magenta);
  border:1px solid rgba(255,90,138,0.4);border-radius:999px;
  background:rgba(255,90,138,0.09);
}
@media (min-width:768px){.rl-live-badge{display:inline-flex}}
.rl-dot{
  width:8px;height:8px;border-radius:50%;background:var(--magenta);
  box-shadow:0 0 0 0 rgba(255,90,138,0.6);
  animation:rl-breathe 2s infinite;
}
@keyframes rl-breathe{
  0%{box-shadow:0 0 0 0 rgba(255,90,138,0.55)}
  70%{box-shadow:0 0 0 9px rgba(255,90,138,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,138,0)}
}
.rl-count-pill{
  display:none;align-items:center;gap:6px;
  height:34px;padding:0 12px;font-size:12px;color:var(--tlow);
  border:1px solid var(--glass-line);border-radius:999px;background:var(--glass);
}
@media (min-width:1024px){.rl-count-pill{display:inline-flex}}
.rl-count-pill b{font-variant-numeric:tabular-nums;color:var(--amber);font-size:14px;font-weight:700}

.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  font-size:15px;font-weight:600;border-radius:var(--r-btn);
  transition:transform .15s ease-out,box-shadow .15s ease-out,background .15s ease-out,color .15s ease-out,border-color .15s ease-out;
}
@media (min-width:1024px){.rl-btn{min-height:48px;padding:0 24px}}
.rl-btn-primary{
  background:var(--accent);color:var(--ink-950);
  box-shadow:0 0 0 1px rgba(47,230,200,0.35), 0 10px 30px -12px rgba(47,230,200,0.5);
}
.rl-btn-primary:hover{background:#4ff0d5;color:var(--ink-950);box-shadow:0 0 0 1px rgba(47,230,200,0.5), 0 14px 38px -12px rgba(47,230,200,0.72)}
.rl-btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-ghost{
  background:transparent;color:var(--thi);
  border:1px solid var(--glass-line);
}
.rl-btn-ghost:hover{border-color:rgba(47,230,200,0.6);color:var(--thi);box-shadow:0 0 0 1px rgba(47,230,200,0.2)}
.rl-btn-ghost:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-glass{
  background:var(--glass);color:var(--thi);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(8px);
}
.rl-btn-glass:hover{background:var(--glass-strong);border-color:var(--glass-hi)}
.rl-btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.rl-header-cta{display:none}
@media (min-width:768px){.rl-header-cta{display:inline-flex}}

.rl-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);color:var(--thi);
}
@media (min-width:1024px){.rl-burger{display:none}}
.rl-burger:hover{border-color:rgba(47,230,200,0.55)}

.rl-drawer-mask{
  position:fixed;inset:0;background:rgba(3,5,10,0.7);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.rl-drawer-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(86vw,340px);
  padding:20px;
  background:rgba(10,16,32,0.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0)}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.rl-drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--glass-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--thi);
}
.rl-drawer a.rl-drawer-item{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--tmid);
  border:1px solid transparent;border-radius:12px;
}
.rl-drawer a.rl-drawer-item:hover{background:var(--glass);color:var(--thi)}
.rl-drawer a.rl-drawer-item.is-active{
  color:var(--thi);background:var(--glass);border-color:rgba(47,230,200,0.45);
}

/* ---------- 通用区块 ---------- */
.rl-section{padding:56px 0}
@media (min-width:1024px){.rl-section{padding:96px 0}}
.rl-section-alt{background:var(--ink-900)}
.rl-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.rl-h2{
  position:relative;font-size:24px;font-weight:700;padding-left:14px;
}
@media (min-width:1024px){.rl-h2{font-size:30px}}
.rl-h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:70%;border-radius:2px;background:var(--accent);
  box-shadow:0 0 14px rgba(47,230,200,0.7);
}
.rl-h3{font-size:18px;font-weight:600;line-height:1.5}
.rl-sub{margin-top:10px;padding-left:14px;font-size:14px;color:var(--tlow);letter-spacing:0.3px}
.rl-text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);
}
.rl-text-link svg{transition:transform .18s ease-out}
.rl-text-link:hover svg{transform:translateX(3px)}

/* ---------- Hero ---------- */
.rl-hero{
  position:relative;overflow:hidden;
  padding:44px 0 40px;
  background:
    radial-gradient(900px 380px at 12% -10%, rgba(47,230,200,0.10), transparent 70%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
  border-bottom:1px solid var(--glass-line);
}
.rl-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,0.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(620px 300px at 50% 0%, #000 0%, transparent 78%);
  mask-image:radial-gradient(620px 300px at 50% 0%, #000 0%, transparent 78%);
}
.rl-hero-grid{position:relative;z-index:2;display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:1024px){.rl-hero-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding:20px 0}}
.rl-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tlow);margin-bottom:18px}
.rl-crumb a:hover{color:var(--thi)}
.rl-crumb .rl-crumb-now{color:var(--tmid)}
.rl-h1{
  font-size:clamp(30px,5.2vw,50px);font-weight:800;line-height:1.25;letter-spacing:-0.5px;
}
.rl-h1 em{font-style:normal;color:var(--accent)}
.rl-hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--tmid);max-width:34em}
.rl-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rl-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;font-size:12px;font-weight:600;letter-spacing:0.3px;
  color:var(--tmid);background:var(--glass);border:1px solid var(--glass-line);border-radius:999px;
}
.rl-pill svg{color:var(--accent)}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.rl-hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-line);background:var(--ink-850);
  box-shadow:var(--shadow-deep);
}
.rl-hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rl-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,0) 35%,rgba(5,7,14,0.88) 100%);
}
.rl-hero-visual-tag{
  position:absolute;top:14px;left:14px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;font-size:12px;font-weight:600;color:var(--accent);
  background:rgba(5,7,14,0.72);border:1px solid rgba(47,230,200,0.45);border-radius:999px;
  backdrop-filter:blur(6px);
}
.rl-hero-visual-meta{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:3;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:14px;
  background:rgba(10,16,32,0.62);border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);
}
.rl-hero-visual-meta strong{display:block;font-size:14px;color:var(--thi);font-weight:600}
.rl-hero-visual-meta span{display:block;font-size:12px;color:var(--tlow)}
.rl-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--amber)}

/* ---------- 分类跳转 pill 条 ---------- */
.rl-cat-strip{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:18px 0 0;
}
.rl-cat-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;font-size:14px;font-weight:600;
  color:var(--tmid);background:transparent;border:1px solid var(--glass-line);border-radius:999px;
}
.rl-cat-link:hover{color:var(--thi);border-color:var(--glass-hi);background:var(--glass)}
.rl-cat-link.is-active{
  color:var(--accent);border-color:rgba(47,230,200,0.65);background:rgba(47,230,200,0.10);
  box-shadow:0 0 0 1px rgba(47,230,200,0.18);
}

/* ---------- 卡片网格 ---------- */
.rl-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.rl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rl-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

.rl-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.rl-card:hover{
  transform:translateY(-4px);
  border-color:var(--glass-hi);
  background:var(--glass-strong);
  box-shadow:var(--shadow-deep);
}
.rl-card-media{position:relative;overflow:hidden;background:var(--ink-850)}
.rl-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out}
.rl-card:hover .rl-card-media img{transform:scale(1.04)}
.rl-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,0.05) 40%,rgba(5,7,14,0.6) 100%);
}
.rl-card-badge{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:5px 11px;font-size:12px;font-weight:600;border-radius:999px;
  background:rgba(5,7,14,0.72);border:1px solid var(--glass-line);color:var(--tmid);
  backdrop-filter:blur(6px);
}
.rl-card-badge.is-accent{color:var(--accent);border-color:rgba(47,230,200,0.45)}
.rl-card-badge.is-amber{color:var(--amber);border-color:rgba(255,183,61,0.42)}
.rl-card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.rl-card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--thi);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-card-desc{font-size:15px;color:var(--tmid);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rl-card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:1px solid rgba(255,255,255,0.08);
}
.rl-card-time{font-size:12px;color:var(--tlow);font-variant-numeric:tabular-nums;letter-spacing:0.3px}
.rl-card-arrow{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--accent)}
.rl-card-arrow svg{transition:transform .18s ease-out}
.rl-card:hover .rl-card-arrow svg{transform:translateX(3px)}

/* ---------- 分页与加载更多 ---------- */
.rl-more-wrap{display:flex;justify-content:center;margin-top:32px}
.rl-pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.rl-page-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;font-size:14px;font-weight:600;color:var(--tmid);
  border:1px solid var(--glass-line);border-radius:10px;background:transparent;
  font-variant-numeric:tabular-nums;
}
.rl-page-num:hover{color:var(--thi);border-color:var(--glass-hi);background:var(--glass)}
.rl-page-num.is-current{
  background:var(--accent);color:var(--ink-950);border-color:var(--accent);
  box-shadow:0 8px 22px -12px rgba(47,230,200,0.8);
}
.rl-page-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;color:var(--tmid);
  border:1px solid var(--glass-line);background:transparent;
}
.rl-page-arrow:hover{color:var(--thi);border-color:var(--glass-hi);background:var(--glass)}

/* ---------- FAQ ---------- */
.rl-faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.rl-faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease-out,background .18s ease-out;
}
.rl-faq-item.is-open{border-color:rgba(47,230,200,0.45);box-shadow:0 0 0 1px rgba(47,230,200,0.14)}
.rl-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--thi);
}
.rl-faq-icon{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--glass-line);color:var(--accent);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg);border-color:rgba(47,230,200,0.6)}
.rl-faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease-out;
  border-left:2px solid transparent;
}
.rl-faq-item.is-open .rl-faq-a{border-left-color:var(--accent)}
.rl-faq-a-inner{padding:0 20px 20px 20px;font-size:15px;line-height:1.8;color:var(--tmid)}

/* ---------- CTA ---------- */
.rl-cta{
  position:relative;overflow:hidden;
  display:grid;gap:24px;grid-template-columns:1fr;
  padding:28px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(47,230,200,0.12),rgba(16,26,46,0.9) 55%);
  border:1px solid var(--glass-line);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
}
@media (min-width:1024px){.rl-cta{grid-template-columns:1.6fr 1fr;align-items:center;padding:40px}}
.rl-cta h2{font-size:24px;font-weight:700}
@media (min-width:1024px){.rl-cta h2{font-size:30px}}
.rl-cta p{margin-top:12px;font-size:15px;color:var(--tmid);max-width:46ch}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.rl-footer{
  position:relative;
  background:var(--ink-900);
  border-top:1px solid var(--glass-line);
  padding:48px 0 28px;
  margin-top:8px;
}
.rl-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,0.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 70%);
  mask-image:linear-gradient(180deg,#000,transparent 70%);
}
.rl-footer .rl-container{position:relative;z-index:2}
.rl-footer-brand{display:flex;flex-direction:column;gap:14px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,0.08)}
.rl-social{display:flex;gap:10px}
.rl-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;color:var(--tmid);
  border:1px solid var(--glass-line);background:var(--glass);
}
.rl-social a:hover{color:var(--accent);border-color:rgba(47,230,200,0.5)}
.rl-footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:32px 0}
@media (min-width:1024px){.rl-footer-cols{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rl-footer-title{font-size:14px;font-weight:700;color:var(--thi);margin-bottom:14px;letter-spacing:0.5px}
.rl-footer-list{display:flex;flex-direction:column;gap:10px}
.rl-footer-list a{font-size:14px;color:var(--tmid)}
.rl-footer-list a:hover{color:var(--thi)}
.rl-footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,0.08);
  font-size:13px;color:var(--tlow);
}
.rl-footer-bottom span{letter-spacing:0.3px}

/* 滚动条 */
.rl-scroll-x{overflow-x:auto;scrollbar-height:6px}
.rl-scroll-x::-webkit-scrollbar{height:6px}
.rl-scroll-x::-webkit-scrollbar-track{background:var(--ink-900);border-radius:3px}
.rl-scroll-x::-webkit-scrollbar-thumb{background:var(--glass-line);border-radius:3px}
.rl-scroll-x::-webkit-scrollbar-thumb:hover{background:rgba(47,230,200,0.4)}

/* 进场动画 */
.rl-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.rl-reveal.is-in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .rl-reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* roulang page: article */
:root{
  --ink-950:#05070E;
  --ink-900:#0A1020;
  --ink-850:#101A2E;
  --accent:#2FE6C8;
  --accent-dim:rgba(47,230,200,.35);
  --amber:#FFB73D;
  --magenta:#FF5A8A;
  --success:#35D07F;
  --thi:#EAF2FF;
  --tmid:#A9B6D4;
  --tlow:#6C7A9C;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.13);
  --line-hi:rgba(255,255,255,.22);
  --r-card:16px;
  --r-lg:18px;
  --r-btn:12px;
  --sh:0 18px 40px -20px rgba(0,0,0,.85);
  --sh-glow:0 0 0 1px rgba(47,230,200,.35), 0 10px 30px -10px rgba(47,230,200,.5);
  --t:150ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tmid);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0 0 auto 0;
  height:520px;
  background:radial-gradient(700px 340px at 76% -12%,rgba(47,230,200,.10),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--tmid);text-decoration:none;transition:color var(--t),border-color var(--t),opacity var(--t)}
a:hover{color:var(--thi)}
button,input{font:inherit}
button{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{color:var(--thi);margin:0}
ul,ol{margin:0;padding:0}
.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px;position:relative;z-index:1}
@media (min-width:768px){.rl-container{padding:0 24px}}
@media (min-width:1024px){.rl-container{padding:0 40px}}

/* ============ 按钮 ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
  white-space:nowrap;
}
@media (min-width:1024px){.rl-btn{min-height:48px}}
.rl-btn-primary{background:var(--accent);color:#04110E;box-shadow:var(--sh-glow)}
.rl-btn-primary:hover{color:#04110E;box-shadow:0 0 0 1px rgba(47,230,200,.45),0 14px 42px -10px rgba(47,230,200,.65)}
.rl-btn-ghost{background:var(--glass);border-color:var(--line);color:var(--thi)}
.rl-btn-ghost:hover{background:var(--glass-2);border-color:var(--line-hi);color:var(--thi)}
.rl-btn-line{background:transparent;border-color:var(--accent-dim);color:var(--accent)}
.rl-btn-line:hover{background:rgba(47,230,200,.09);border-color:var(--accent);color:var(--accent)}
.rl-btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.rl-btn:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:6px 0;
  color:var(--accent);font-size:14px;font-weight:600;cursor:pointer;
}
.rl-btn-text svg{transition:transform var(--t)}
.rl-btn-text:hover svg{transform:translateX(3px)}

/* ============ 导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,14,.62);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.rl-header.is-scrolled{background:rgba(8,12,24,.86);border-bottom-color:var(--line);box-shadow:0 14px 34px -26px rgba(0,0,0,.95)}
.rl-nav{display:flex;align-items:center;gap:16px;height:64px}
@media (max-width:1023px){.rl-nav{height:56px}}
.rl-logo{display:inline-flex;align-items:baseline;gap:6px;font-weight:800;letter-spacing:-.3px;flex:none}
.rl-logo-mark{
  font-size:19px;
  background:linear-gradient(90deg,#EAF2FF 20%,#2FE6C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rl-logo-sub{font-size:12px;font-weight:600;color:var(--tlow);letter-spacing:1px;border-left:1px solid var(--line);padding-left:7px}
.rl-nav-links{display:none}
@media (min-width:1024px){
  .rl-nav-links{display:flex;align-items:center;gap:2px;margin-left:14px}
}
.rl-nav-link{position:relative;display:inline-flex;align-items:center;height:64px;padding:0 12px;font-size:14px;color:var(--tmid)}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(47,230,200,.6);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.rl-nav-link:hover{color:var(--thi)}
.rl-nav-link.is-active{color:var(--thi)}
.rl-nav-link.is-active::after{transform:scaleX(1)}
.rl-nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.rl-count-pill{display:none}
@media (min-width:1024px){
  .rl-count-pill{
    display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 13px;border-radius:999px;
    background:var(--glass);border:1px solid var(--line);color:var(--tlow);font-size:12px;letter-spacing:.3px;
  }
}
.rl-count-pill b{color:var(--amber);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.6px}
.rl-live-badge{display:none}
@media (min-width:1024px){
  .rl-live-badge{
    display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 11px;border-radius:999px;
    background:rgba(255,90,138,.14);border:1px solid rgba(255,90,138,.45);color:var(--thi);font-size:12px;
  }
}
.rl-dot{width:7px;height:7px;border-radius:50%;background:var(--magenta);animation:rl-pulse 1.8s infinite}
@keyframes rl-pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,138,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,90,138,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,138,0)}
}
.rl-nav-cta{display:none}
@media (min-width:1024px){.rl-nav-cta{display:inline-flex}}
.rl-burger{
  width:44px;height:44px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:var(--glass);border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.rl-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--thi)}
@media (min-width:1024px){.rl-burger{display:none}}
.rl-bar{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,#2FE6C8,#8CF7E7);box-shadow:0 0 10px rgba(47,230,200,.7);transition:width 90ms linear}

/* ============ 抽屉 ============ */
.rl-mask{
  position:fixed;inset:0;z-index:80;background:rgba(3,5,10,.72);
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.rl-mask.is-open{opacity:1;pointer-events:auto}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:min(330px,86vw);
  background:rgba(10,16,32,.97);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 220ms ease-out;
  padding:20px 16px;overflow:auto;display:flex;flex-direction:column;gap:8px;
}
.rl-drawer.is-open{transform:none}
.rl-drawer-title{font-size:12px;letter-spacing:1.4px;color:var(--tlow);margin:8px 6px 4px;font-weight:600}
.rl-drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;font-size:15px;color:var(--tmid)}
.rl-drawer-link:hover,.rl-drawer-link.is-active{background:var(--glass);color:var(--thi)}
.rl-drawer .rl-btn{margin-top:10px}

/* ============ 面包屑 ============ */
.rl-crumbs-wrap{padding:20px 0 0}
.rl-crumbs{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;overflow:hidden;font-size:13px;color:var(--tlow);letter-spacing:.3px}
.rl-crumbs a{color:var(--tlow);white-space:nowrap}
.rl-crumbs a:hover{color:var(--thi);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent-dim)}
.rl-crumb-current{color:var(--tmid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.rl-sep{color:var(--tlow);opacity:.6}

/* ============ 文章头 ============ */
.rl-article-head{padding:20px 0 0}
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 13px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--glass);border:1px solid var(--line);color:var(--tmid);
}
.rl-badge-accent{background:rgba(47,230,200,.12);border-color:var(--accent-dim);color:var(--accent)}
.rl-article-title{
  font-size:clamp(28px,4.6vw,46px);line-height:1.25;letter-spacing:-.5px;font-weight:800;
  color:var(--thi);margin:14px 0 12px;max-width:24ch;
}
.rl-article-sub{font-size:15px;color:var(--tmid);margin:0 0 18px;max-width:40ch}
.rl-meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12.5px;color:var(--tlow);letter-spacing:.3px;
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.rl-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--amber)}
.rl-meta-dot{width:4px;height:4px;border-radius:50%;background:var(--tlow);opacity:.7}
.rl-share{margin-left:auto;display:flex;gap:8px;align-items:center}
.rl-icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--tmid);cursor:pointer;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.rl-icon-btn:hover{color:var(--thi);border-color:var(--line-hi);background:var(--glass-2)}
.rl-tip{font-size:12px;color:var(--success);opacity:0;transition:opacity var(--t)}

/* ============ 封面 ============ */
.rl-cover{margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--line);box-shadow:var(--sh)}
.rl-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rl-cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:52%;background:linear-gradient(to top,rgba(5,7,14,.88),transparent)}
.rl-cover-cap{position:absolute;left:18px;bottom:14px;z-index:1;font-size:13px;color:var(--tmid);letter-spacing:.3px}

/* ============ 正文布局 ============ */
.rl-article-main{padding:40px 0 0}
.rl-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.rl-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px}}
.rl-article-col{min-width:0}
.rl-article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--tmid);letter-spacing:.2px}
@media (max-width:767px){.rl-article-body{font-size:15px}}
.rl-article-body p{margin:0 0 1.25em}
.rl-article-body h2{
  position:relative;margin:2.2em 0 .8em;padding-left:14px;
  font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--thi);letter-spacing:-.3px;
}
.rl-article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 14px rgba(47,230,200,.45);
}
.rl-article-body h3{margin:1.8em 0 .6em;font-size:19px;font-weight:600;color:var(--thi);line-height:1.5}
.rl-article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--thi)}
.rl-article-body ul,.rl-article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.rl-article-body li{margin:.5em 0}
.rl-article-body ul li::marker{content:"▪  ";color:var(--accent);font-size:.9em}
.rl-article-body ol li::marker{color:var(--accent);font-weight:700}
.rl-article-body a{
  color:var(--thi);text-decoration:underline;text-decoration-color:var(--accent-dim);
  text-underline-offset:4px;text-decoration-thickness:1px;
}
.rl-article-body a:hover{color:var(--accent)}
.rl-article-body strong{color:var(--thi);font-weight:700}
.rl-article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--glass);
  border-left:3px solid var(--accent);border-radius:0 14px 14px 0;color:var(--thi);font-style:normal;
}
.rl-article-body blockquote p:last-child{margin:0}
.rl-article-body img{border-radius:14px;margin:1.6em 0 .6em;width:100%}
.rl-article-body figure{margin:1.6em 0}
.rl-article-body figcaption{font-size:13px;color:var(--tlow);text-align:center}
.rl-article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.rl-article-body th,.rl-article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.rl-article-body thead th{background:rgba(255,255,255,.05);color:var(--thi);font-weight:600}
.rl-article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.rl-article-body code{background:rgba(47,230,200,.12);color:#9DF6E6;padding:2px 6px;border-radius:6px;font-size:.92em}
.rl-article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ============ 侧栏 ============ */
.rl-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:1024px){
  .rl-side{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 110px);overflow:auto;padding-right:4px}
}
.rl-side-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh)}
.rl-side-title{font-size:13px;letter-spacing:1px;color:var(--tlow);font-weight:600;margin:0 0 12px}
.rl-toc{display:flex;flex-direction:column;gap:2px}
.rl-toc a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--tmid);line-height:1.5;
}
.rl-toc a:hover{background:rgba(255,255,255,.05);color:var(--thi)}
.rl-toc a.is-current{color:var(--accent);border-left-color:var(--accent);background:rgba(47,230,200,.08)}
.rl-toc-empty{font-size:13px;color:var(--tlow);margin:0}
.rl-cta-card{
  position:relative;background:linear-gradient(160deg,rgba(47,230,200,.15),rgba(16,26,46,.92));
  border:1px solid var(--accent-dim);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh);
}
.rl-cut{clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%)}
.rl-cta-card h3{font-size:17px;font-weight:700;margin:0 0 8px}
.rl-cta-card p{font-size:13.5px;color:var(--tmid);margin:0 0 16px;line-height:1.7}
.rl-cta-card .rl-btn{width:100%}
.rl-cta-actions{display:flex;flex-direction:column;gap:10px}

/* ============ 文末模块 ============ */
.rl-tags{display:flex;flex-wrap:wrap;gap:8px;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.rl-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);font-size:13px;color:var(--tmid);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.rl-tag:hover{color:var(--thi);border-color:var(--accent-dim);background:rgba(47,230,200,.08)}
.rl-nextprev{display:grid;grid-template-columns:1fr;gap:16px;margin:32px 0 0}
@media (min-width:768px){.rl-nextprev{grid-template-columns:1fr 1fr}}
.rl-np-card{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.rl-np-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh);color:var(--thi)}
.rl-np-label{font-size:12px;color:var(--tlow);letter-spacing:.6px;display:flex;align-items:center;gap:6px}
.rl-np-title{font-size:15.5px;font-weight:600;color:var(--thi);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 通用板块 ============ */
.rl-section{padding:64px 0 0}
@media (min-width:1024px){.rl-section{padding:88px 0 0}}
.rl-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:24px}
.rl-sec-title{
  position:relative;padding-left:14px;font-size:clamp(20px,2.4vw,27px);font-weight:700;
  color:var(--thi);letter-spacing:-.3px;line-height:1.35;
}
.rl-sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 14px rgba(47,230,200,.45);
}
.rl-sec-desc{font-size:13.5px;color:var(--tlow);margin:0;max-width:32ch}
.rl-sec-head .rl-btn-text{margin-left:auto}

/* ============ 卡片 ============ */
.rl-rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.rl-rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rl-rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rl-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.rl-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh);color:inherit}
.rl-card-cover{position:relative;overflow:hidden;background:var(--ink-850)}
.rl-card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms ease-out}
.rl-card:hover .rl-card-cover img{transform:scale(1.04)}
.rl-card-cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top,rgba(5,7,14,.78),transparent)}
.rl-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rl-card-title{
  font-size:16px;font-weight:600;color:var(--thi);line-height:1.55;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-card-text{
  font-size:14px;color:var(--tmid);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rl-card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--tlow);padding-top:4px}
.rl-card-foot .rl-num{font-size:12.5px}
.rl-card-foot .rl-arrow{margin-left:auto;color:var(--accent);display:inline-flex;transition:transform var(--t)}
.rl-card:hover .rl-arrow{transform:translateX(4px)}

/* ============ 订阅条 ============ */
.rl-sub-bar{
  display:grid;grid-template-columns:1fr;gap:18px;align-items:center;
  padding:24px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);box-shadow:var(--sh);
}
@media (min-width:1024px){.rl-sub-bar{grid-template-columns:1fr auto;padding:28px 32px;gap:28px}}
.rl-sub-bar h2{font-size:19px;font-weight:700;margin:0 0 6px;line-height:1.4}
.rl-sub-bar p{margin:0;font-size:13.5px;color:var(--tlow)}
.rl-form{display:flex;gap:10px;flex-wrap:wrap}
.rl-input{
  flex:1 1 220px;min-height:44px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--thi);
  transition:border-color var(--t),box-shadow var(--t);
}
.rl-input::placeholder{color:var(--tlow)}
.rl-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,230,200,.18)}
.rl-sub-note{font-size:12px;color:var(--tlow);margin:10px 0 0;display:flex;gap:8px;align-items:center}
.rl-check{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--tlow);cursor:pointer;min-height:24px}

/* ============ FAQ ============ */
.rl-faq{max-width:820px;margin:0 auto}
.rl-faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--glass);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.rl-faq-item.is-open{border-color:var(--accent-dim);box-shadow:0 0 0 1px rgba(47,230,200,.16)}
.rl-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:56px;padding:14px 18px;background:transparent;border:0;
  color:var(--thi);font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.rl-faq-icon{flex:none;width:20px;height:20px;position:relative;transition:transform var(--t)}
.rl-faq-icon::before,.rl-faq-icon::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.rl-faq-icon::before{left:50%;top:1px;bottom:1px;width:2px;transform:translateX(-50%)}
.rl-faq-icon::after{top:50%;left:1px;right:1px;height:2px;transform:translateY(-50%)}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg)}
.rl-faq-a{padding:0 18px 16px;font-size:15px;line-height:1.8;color:var(--tmid);border-left:2px solid transparent;margin-left:18px;padding-left:14px}
.rl-faq-item.is-open .rl-faq-a{border-left-color:var(--accent)}

/* ============ 空态 ============ */
.rl-empty{
  padding:64px 24px;text-align:center;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed var(--line);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.rl-empty svg{width:48px;height:48px;color:var(--tlow)}
.rl-empty p{margin:0;font-size:15px;color:var(--tmid)}

/* ============ 页脚 ============ */
.rl-footer{position:relative;margin-top:72px;padding:56px 0 28px;background:var(--ink-900);border-top:1px solid var(--line);overflow:hidden}
.rl-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(60% 80% at 50% 0,#000,transparent 75%);
  mask-image:radial-gradient(60% 80% at 50% 0,#000,transparent 75%);
}
.rl-footer .rl-container{position:relative;z-index:1}
.rl-footer-brand{display:flex;flex-direction:column;gap:14px;padding-bottom:28px;border-bottom:1px solid var(--line);align-items:flex-start}
.rl-social{display:flex;gap:10px}
.rl-social a{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--tmid);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.rl-social a:hover{color:var(--accent);border-color:var(--accent-dim);background:rgba(47,230,200,.08)}
.rl-footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;padding:28px 0}
@media (min-width:1024px){.rl-footer-cols{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rl-footer-title{font-size:13px;letter-spacing:1px;color:var(--thi);margin:0 0 12px;font-weight:600}
.rl-footer-list{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px}
.rl-footer-list a{color:var(--tmid)}
.rl-footer-list a:hover{color:var(--thi);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent-dim)}
.rl-footer-bottom{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--tlow)}
.rl-footer-bottom p{margin:0}

/* 滚动条 */
.rl-scroll-x::-webkit-scrollbar{height:6px}
.rl-scroll-x::-webkit-scrollbar-track{background:var(--ink-900)}
.rl-scroll-x::-webkit-scrollbar-thumb{background:var(--line-hi);border-radius:99px}
.rl-scroll-x::-webkit-scrollbar-thumb:hover{background:rgba(47,230,200,.4)}

/* roulang page: category2 */
:root{
  --ink-950:#05070E;
  --ink-900:#0A1020;
  --ink-850:#101a2e;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.13);
  --line-soft:rgba(255,255,255,.08);
  --accent:#2FE6C8;
  --amber:#FFB73D;
  --magenta:#FF5A8A;
  --success:#35D07F;
  --thi:#EAF2FF;
  --tmid:#A9B6D4;
  --tlow:#6C7A9C;
  --r-card:16px;
  --r-lg:18px;
  --r-btn:12px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,230,200,.35), 0 10px 30px -10px rgba(47,230,200,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tmid);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .15s ease-out,background-color .15s ease-out,border-color .15s ease-out}
a:hover{color:var(--thi)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--thi);margin:0;font-weight:800;letter-spacing:-.4px}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,230,200,.28);color:#04121a}
.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}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 容器 */
.rl-container{width:100%;max-width:1240px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:640px){.rl-container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.rl-container{padding-left:40px;padding-right:40px}}

/* 顶部导航 */
.rl-header{
  position:sticky;top:0;z-index:60;height:64px;display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(5,7,14,.88),rgba(5,7,14,.32));
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,backdrop-filter .2s ease-out;
}
.rl-header.is-scrolled{
  background:rgba(10,16,32,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.rl-nav{display:flex;align-items:center;gap:24px;width:100%}
.rl-logo{display:inline-flex;align-items:center;gap:8px;flex:none}
.rl-logo-mark{color:var(--thi);font-size:19px;font-weight:800;letter-spacing:-.4px}
.rl-logo-sub{
  color:var(--accent);font-size:12px;font-weight:700;letter-spacing:1.2px;
  border:1px solid rgba(47,230,200,.42);background:rgba(47,230,200,.08);
  padding:2px 7px;border-radius:7px;line-height:1.6;
}
.rl-nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.rl-nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14px;color:var(--tmid);border-radius:10px;white-space:nowrap;
}
.rl-nav-link:hover{color:var(--thi);background:rgba(255,255,255,.05)}
.rl-nav-link.is-active{color:var(--thi);font-weight:700}
.rl-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(47,230,200,.75);
}
.rl-nav-side{display:flex;align-items:center;gap:12px;margin-left:8px}
.rl-live-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--thi);
  border:1px solid rgba(255,90,138,.4);background:rgba(255,90,138,.1);
}
.rl-dot{width:7px;height:7px;border-radius:999px;background:var(--magenta);box-shadow:0 0 0 0 rgba(255,90,138,.6);animation:rlPulse 2s infinite}
@keyframes rlPulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,138,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,90,138,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,138,0)}
}
.rl-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:var(--glass);color:var(--thi);
}
.rl-burger:hover{border-color:rgba(47,230,200,.5);color:var(--accent)}
@media (max-width:1023px){
  .rl-nav-links,.rl-live-chip{display:none}
  .rl-burger{display:inline-flex}
  .rl-nav{gap:12px}
}

/* 抽屉 */
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(322px,86vw);z-index:80;
  background:rgba(10,16,32,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--line);transform:translateX(103%);
  transition:transform .24s ease-out;padding:18px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.rl-drawer.is-open{transform:none}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid var(--line-soft)}
.rl-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);color:var(--thi);background:var(--glass)}
.rl-close:hover{border-color:rgba(47,230,200,.5);color:var(--accent)}
.rl-drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--tmid);border:1px solid transparent;
}
.rl-drawer-link:hover{background:rgba(255,255,255,.05);color:var(--thi)}
.rl-drawer-link.is-active{color:var(--thi);font-weight:700;background:rgba(47,230,200,.1);border-color:rgba(47,230,200,.38)}
.rl-drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft);display:grid;gap:10px}
.rl-mask{
  position:fixed;inset:0;z-index:70;background:rgba(3,5,10,.66);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.rl-mask.is-open{opacity:1;visibility:visible}

/* 按钮 */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
  transition:transform .15s ease-out,box-shadow .15s ease-out,background-color .15s ease-out,border-color .15s ease-out,color .15s ease-out,filter .15s ease-out;
}
@media (min-width:1024px){.rl-btn{min-height:48px}}
.rl-btn-primary{background:var(--accent);color:#04121a;box-shadow:var(--glow)}
.rl-btn-primary:hover{color:#04121a;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(47,230,200,.5),0 14px 42px -12px rgba(47,230,200,.72)}
.rl-btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.rl-btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--thi)}
.rl-btn-ghost:hover{border-color:rgba(47,230,200,.55);background:rgba(47,230,200,.08);color:var(--thi)}
.rl-btn-ghost:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent)}
.rl-textlink svg{transition:transform .15s ease-out}
.rl-textlink:hover svg{transform:translateX(3px)}

/* 徽章 / 标签 */
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--tmid);
}
.rl-badge-accent{border-color:rgba(47,230,200,.45);background:rgba(47,230,200,.09);color:var(--accent)}
.rl-badge-amber{border-color:rgba(255,183,61,.4);background:rgba(255,183,61,.09);color:var(--amber)}
.rl-badge-live{border-color:rgba(255,90,138,.45);background:rgba(255,90,138,.12);color:#FFD3E1}

/* Hero */
.rl-hero{position:relative;padding:52px 0 44px;overflow:hidden}
.rl-hero::before{
  content:"";position:absolute;left:50%;top:-320px;width:1100px;height:620px;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(47,230,200,.13),transparent 70%);
  pointer-events:none;
}
.rl-crumb{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tlow);margin-bottom:18px}
.rl-crumb a:hover{color:var(--thi)}
.rl-crumb .sep{opacity:.55}
.rl-hero-grid{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:36px;align-items:center}
.rl-hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.22;font-weight:800;letter-spacing:-.5px}
.rl-hero-lead{margin-top:14px;font-size:clamp(15px,1.6vw,18px);color:var(--tmid)}
.rl-hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.rl-hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--ink-850);box-shadow:var(--shadow);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
}
.rl-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;opacity:.92}
.rl-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.05),rgba(5,7,14,.82));
}
.rl-hero-media-cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--thi);
}
@media (max-width:1023px){
  .rl-hero-grid{grid-template-columns:1fr;gap:26px}
  .rl-hero-media{order:-1}
}
@media (max-width:639px){
  .rl-hero{padding:36px 0 30px}
  .rl-hero-actions .rl-btn{flex:1 1 100%}
}

/* 主体布局 */
.rl-section{padding:56px 0}
@media (min-width:1024px){.rl-section{padding:88px 0}}
.rl-bg-900{background:var(--ink-900)}
.rl-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:44px;align-items:start}
@media (max-width:1023px){.rl-layout{grid-template-columns:1fr;gap:28px}}

/* 目录 */
.rl-toc{
  position:sticky;top:88px;padding:18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.rl-toc-title{font-size:12px;letter-spacing:1.4px;color:var(--tlow);text-transform:uppercase;margin-bottom:12px;font-weight:700}
.rl-toc-list{display:grid;gap:2px}
.rl-toc a{
  position:relative;display:block;padding:9px 12px 9px 16px;border-radius:10px;
  font-size:14px;color:var(--tmid);line-height:1.6;
}
.rl-toc a::before{
  content:"";position:absolute;left:2px;top:11px;bottom:11px;width:2px;border-radius:2px;background:transparent;
  transition:background-color .15s ease-out,box-shadow .15s ease-out;
}
.rl-toc a:hover{background:rgba(255,255,255,.05);color:var(--thi)}
.rl-toc a.is-current{color:var(--thi);font-weight:600;background:rgba(47,230,200,.08)}
.rl-toc a.is-current::before{background:var(--accent);box-shadow:0 0 8px rgba(47,230,200,.8)}
.rl-toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--tlow);line-height:1.75}
@media (max-width:1023px){
  .rl-toc{position:static;padding:14px}
  .rl-toc-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity}
  .rl-toc a{
    flex:none;white-space:nowrap;padding:8px 14px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.03);scroll-snap-align:start;
  }
  .rl-toc a::before{display:none}
  .rl-toc a.is-current{border-color:var(--accent);box-shadow:0 0 0 1px rgba(47,230,200,.28)}
  .rl-toc-note{display:none}
}

/* 板块标题 */
.rl-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:22px}
.rl-h2{
  position:relative;display:block;padding-left:15px;
  font-size:clamp(22px,2.4vw,30px);line-height:1.34;font-weight:700;letter-spacing:-.4px;
}
.rl-h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(47,230,200,.6);
}
.rl-sec-note{font-size:13px;color:var(--tlow);letter-spacing:.3px;margin:0}
.rl-block{padding:24px 0 4px}
.rl-block + .rl-block{border-top:1px solid var(--line-soft)}
.rl-sub{
  display:block;font-size:19px;font-weight:600;color:var(--thi);margin:0 0 8px;letter-spacing:-.2px;
}
.rl-para{font-size:16px;line-height:1.9;color:var(--tmid)}
@media (max-width:639px){.rl-para{font-size:15px}}

/* 数据卡 */
.rl-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:16px;margin:6px 0 4px}
.rl-stat{
  padding:20px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  transition:transform .15s ease-out,border-color .15s ease-out;
}
.rl-stat:hover{transform:translateY(-4px);border-color:rgba(47,230,200,.4)}
.rl-stat-label{display:block;font-size:12px;letter-spacing:1px;color:var(--tlow);margin-bottom:8px}
.rl-stat-value{display:block;font-size:26px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.6px;margin-bottom:6px}
.rl-stat p{font-size:13.5px;color:var(--tmid);margin:0;line-height:1.7}

/* 引用提示条 */
.rl-quotebar{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:14px;margin:26px 0;
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--accent);
}
.rl-quotebar svg{flex:none;color:var(--accent);margin-top:3px}
.rl-quotebar p{margin:0;font-size:15px;color:var(--thi);line-height:1.8}

/* 行式条目 */
.rl-rows{list-style:none}
.rl-row{
  display:grid;grid-template-columns:176px minmax(0,1fr);gap:20px;align-items:center;
  padding:20px 0;border-top:1px solid var(--line-soft);
}
.rl-rows > .rl-row:first-child{border-top:0;padding-top:6px}
.rl-row-thumb{
  aspect-ratio:4/3;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--ink-850);
}
.rl-row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rl-row:hover .rl-row-thumb img{transform:scale(1.04)}
.rl-row-body{min-width:0}
.rl-row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
.rl-row-title{font-size:18px;font-weight:600;color:var(--thi);line-height:1.5;margin:0 0 6px;letter-spacing:-.2px}
.rl-row-desc{font-size:14.5px;line-height:1.8;color:var(--tmid);margin:0}
@media (max-width:639px){
  .rl-row{grid-template-columns:104px minmax(0,1fr);gap:14px}
  .rl-row-title{font-size:16px}
  .rl-row-desc{font-size:14px}
}

/* FAQ */
.rl-faq{max-width:860px}
.rl-faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--glass);
  margin-bottom:12px;overflow:hidden;transition:border-color .15s ease-out,box-shadow .15s ease-out;
}
.rl-faq-item:hover{border-color:rgba(255,255,255,.24)}
.rl-faq-item.is-open{border-color:rgba(47,230,200,.45);box-shadow:0 0 0 1px rgba(47,230,200,.16)}
.rl-faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--thi);line-height:1.6;
}
.rl-faq-icon{flex:none;color:var(--accent);transition:transform .2s ease-out}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg)}
.rl-faq-a{display:none;padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--tmid);border-left:2px solid var(--accent);margin-left:0}
.rl-faq-item.is-open .rl-faq-a{display:block}

/* 分类 pill 组 */
.rl-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.rl-pill{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--tmid);
  border:1px solid var(--line);background:var(--glass);
  transition:border-color .15s ease-out,color .15s ease-out,background-color .15s ease-out,transform .15s ease-out;
}
.rl-pill:hover{color:var(--thi);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.rl-pill.is-active{
  color:var(--thi);border-color:rgba(47,230,200,.55);background:rgba(47,230,200,.12);
  box-shadow:0 0 0 1px rgba(47,230,200,.3);
}

/* CTA 与订阅 */
.rl-cta{
  position:relative;border-radius:var(--r-lg);padding:32px;overflow:hidden;
  background:linear-gradient(135deg,rgba(47,230,200,.14),rgba(10,16,32,.94) 62%);
  border:1px solid rgba(47,230,200,.3);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
}
.rl-cta h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35}
.rl-cta > p{margin:12px 0 22px;font-size:15px;color:var(--tmid);max-width:56ch}
.rl-form{display:flex;gap:12px;flex-wrap:wrap}
.rl-input{
  flex:1 1 260px;min-height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--thi);
  font-size:15px;transition:border-color .15s ease-out,box-shadow .15s ease-out;
}
.rl-input::placeholder{color:var(--tlow)}
.rl-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,230,200,.18)}
.rl-hint{margin-top:12px;font-size:12.5px;color:var(--tlow);min-height:18px}
.rl-hint.is-ok{color:var(--success);font-weight:600}
.rl-hint.is-err{color:var(--magenta);font-weight:600}
.rl-cta-note{margin-top:14px;display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--tlow)}

/* 页脚 */
.rl-footer{position:relative;overflow:hidden;background:var(--ink-900);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.rl-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(72% 62% at 50% 0%,#000,transparent 76%);
  mask-image:radial-gradient(72% 62% at 50% 0%,#000,transparent 76%);
}
.rl-footer .rl-container{position:relative}
.rl-footer-brand{display:grid;gap:14px;padding-bottom:30px;border-bottom:1px solid var(--line-soft)}
.rl-footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;padding:30px 0}
.rl-footer-title{font-size:14px;color:var(--thi);letter-spacing:.4px;margin:0 0 12px}
.rl-footer-list{list-style:none;display:grid;gap:10px}
.rl-footer-list a{font-size:14px;color:var(--tmid)}
.rl-footer-list a:hover{color:var(--thi);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--accent);text-decoration-thickness:1px}
.rl-social{display:flex;gap:10px;margin-top:14px}
.rl-social a{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:var(--glass);color:var(--tmid);
}
.rl-social a:hover{color:var(--accent);border-color:rgba(47,230,200,.5)}
.rl-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--tlow);
}
@media (max-width:1023px){.rl-footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media (max-width:520px){.rl-footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* 动效 */
.rl-js .rl-fade{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.rl-js .rl-fade.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rl-js .rl-fade{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}
/* 滚动条 */
.rl-toc-list::-webkit-scrollbar{height:6px}
.rl-toc-list::-webkit-scrollbar-track{background:var(--ink-900)}
.rl-toc-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.rl-toc-list::-webkit-scrollbar-thumb:hover{background:rgba(47,230,200,.4)}

/* roulang page: category3 */
:root{
  --ink-950:#05070E;
  --ink-900:#0A1020;
  --ink-850:#101a2e;
  --glass-fill:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.13);
  --glass-top:rgba(255,255,255,.22);
  --accent:#2FE6C8;
  --amber:#FFB73D;
  --magenta:#FF5A8A;
  --thi:#EAF2FF;
  --tmid:#A9B6D4;
  --tlow:#6C7A9C;
  --success:#35D07F;
  --radius:16px;
  --radius-btn:12px;
  --shadow-deep:0 18px 40px -20px rgba(0,0,0,.85);
  --glow-accent:0 0 0 1px rgba(47,230,200,.35), 0 10px 30px -10px rgba(47,230,200,.5);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tmid);
  font-family:var(--font-family);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--tmid);text-decoration:none;transition:color .15s ease-out}
a:hover{color:var(--thi)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--thi);line-height:1.32}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
::selection{background:rgba(47,230,200,.28);color:var(--thi)}
*::-webkit-scrollbar{width:6px;height:6px}
*::-webkit-scrollbar-track{background:var(--ink-900)}
*::-webkit-scrollbar-thumb{background:var(--glass-line);border-radius:3px}
*::-webkit-scrollbar-thumb:hover{background:rgba(47,230,200,.4)}

.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.rl-container{padding:0 24px}}
@media (min-width:1024px){.rl-container{padding:0 40px}}

/* ---------- header ---------- */
.rl-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,14,.55);
  border-bottom:1px solid transparent;
  transition:background .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.rl-header.is-scrolled{
  background:rgba(10,16,32,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--glass-line);
  box-shadow:0 12px 30px -24px rgba(0,0,0,.95);
}
.rl-header-inner{height:56px;display:flex;align-items:center;gap:16px}
@media (min-width:1024px){.rl-header-inner{height:64px;gap:24px}}
.rl-logo{display:flex;flex-direction:column;line-height:1.12;flex:0 0 auto}
.rl-logo-mark{font-size:18px;font-weight:800;color:var(--thi);letter-spacing:-.4px}
.rl-logo-sub{font-size:11px;letter-spacing:2.4px;color:var(--accent)}
.rl-nav-links{display:none;align-items:center;gap:2px;margin-left:8px}
@media (min-width:1024px){.rl-nav-links{display:flex}}
.rl-nav-link{position:relative;padding:10px 12px;font-size:14px;color:var(--tmid);border-radius:10px;white-space:nowrap}
.rl-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.rl-nav-link:hover{color:var(--thi)}
.rl-nav-link.is-active{color:var(--thi);font-weight:600}
.rl-nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(47,230,200,.7)}
.rl-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.rl-countdown-pill{
  display:none;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,183,61,.09);border:1px solid rgba(255,183,61,.32);
  font-size:12px;color:#F3DDB4;letter-spacing:.3px;
}
@media (min-width:1024px){.rl-countdown-pill{display:inline-flex}}
.rl-countdown-pill b{font-variant-numeric:tabular-nums;color:var(--amber);font-weight:700;letter-spacing:.6px}
.rl-live-badge{display:none;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;background:rgba(255,90,138,.14);border:1px solid rgba(255,90,138,.4);font-size:12px;font-weight:600;color:#FFD5E1}
@media (min-width:768px){.rl-live-badge{display:inline-flex}}
.rl-pulse{width:7px;height:7px;border-radius:50%;background:var(--magenta);box-shadow:0 0 0 0 rgba(255,90,138,.7);animation:rlPulse 1.8s ease-in-out infinite}
@keyframes rlPulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,138,.65);opacity:1}
  70%{box-shadow:0 0 0 9px rgba(255,90,138,0);opacity:.75}
  100%{box-shadow:0 0 0 0 rgba(255,90,138,0);opacity:1}
}
.rl-burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-fill);border:1px solid var(--glass-line);border-radius:12px;color:var(--thi);cursor:pointer;
  transition:border-color .15s,background .15s;
}
.rl-burger:hover{border-color:rgba(47,230,200,.5);background:rgba(47,230,200,.08)}
@media (min-width:1024px){.rl-burger{display:none}}

/* ---------- drawer ---------- */
.rl-drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(3,5,10,.72);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;
}
.rl-drawer-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(86vw,350px);
  display:flex;flex-direction:column;gap:4px;padding:22px 20px 28px;
  background:rgba(10,16,32,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--glass-line);transform:translateX(102%);transition:transform .28s ease-out;
}
.rl-drawer.is-open{transform:none}
.rl-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.rl-drawer-link{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 6px;
  font-size:15px;color:var(--tmid);border-bottom:1px solid rgba(255,255,255,.07);
}
.rl-drawer-link.is-active{color:var(--thi);font-weight:600;border-left:2px solid var(--accent);padding-left:14px}
.rl-drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px}

/* ---------- buttons ---------- */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .15s ease-out,box-shadow .15s ease-out,background .15s ease-out,color .15s ease-out,border-color .15s ease-out;
}
@media (min-width:768px){.rl-btn{min-height:48px}}
.rl-btn:active{transform:translateY(1px);filter:brightness(.94)}
.rl-btn-primary{background:var(--accent);color:#04120F;box-shadow:var(--glow-accent)}
.rl-btn-primary:hover{color:#04120F;box-shadow:0 0 0 1px rgba(47,230,200,.5),0 14px 42px -12px rgba(47,230,200,.7)}
.rl-btn-glass{background:var(--glass-fill);border-color:var(--glass-line);color:var(--thi)}
.rl-btn-glass:hover{color:var(--thi);border-color:rgba(47,230,200,.55);background:rgba(47,230,200,.08)}
.rl-btn-ghost{background:transparent;border-color:var(--glass-line);color:var(--thi)}
.rl-btn-ghost:hover{color:var(--thi);border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.04)}
.rl-btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.rl-btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- badges ---------- */
.rl-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.3px;background:var(--glass-fill);
  border:1px solid var(--glass-line);color:var(--tmid);
}
.rl-badge.is-acc{border-color:rgba(47,230,200,.45);color:#B9F5EA;background:rgba(47,230,200,.08)}
.rl-badge.is-amb{border-color:rgba(255,183,61,.4);color:#F7DCA8;background:rgba(255,183,61,.08)}
.rl-badge.is-ok{border-color:rgba(53,208,127,.4);color:#B4EBCD;background:rgba(53,208,127,.08)}

/* ---------- hero ---------- */
.rl-hero{position:relative;overflow:hidden;padding:44px 0 40px;background:var(--ink-950)}
.rl-hero::before{
  content:"";position:absolute;left:0;right:0;top:-40%;height:560px;pointer-events:none;
  background:radial-gradient(58% 60% at 50% 0%,rgba(47,230,200,.10),transparent 70%);
}
.rl-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 0%,#000,transparent 72%);
  mask-image:radial-gradient(70% 60% at 50% 0%,#000,transparent 72%);
}
@media (min-width:1024px){.rl-hero{padding:60px 0 56px}}
.rl-hero-grid{position:relative;z-index:2;display:grid;gap:30px}
@media (min-width:1024px){.rl-hero-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:center}}
.rl-crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--tlow);letter-spacing:.3px;margin-bottom:16px}
.rl-crumb a{color:var(--tlow)}
.rl-crumb a:hover{color:var(--thi)}
.rl-crumb-sep{opacity:.55}
.rl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--accent);margin-bottom:12px}
.rl-eyebrow i{width:18px;height:1px;background:var(--accent);display:inline-block}
.rl-h1{font-size:clamp(30px,5vw,50px);font-weight:800;line-height:1.24;letter-spacing:-.5px;margin-bottom:14px}
.rl-hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--tmid);max-width:52ch;margin-bottom:20px}
.rl-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.rl-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.rl-hero-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-deep)}
.rl-hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rl-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.05),rgba(5,7,14,.78))}
.rl-hero-media-tag{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:14px;background:rgba(10,16,32,.7);backdrop-filter:blur(10px);
  border:1px solid var(--glass-line);font-size:13px;color:var(--thi);
}
.rl-hero-media-tag span{font-variant-numeric:tabular-nums;color:var(--amber);font-weight:700}

/* ---------- category pills ---------- */
.rl-catbar{position:relative;z-index:2;padding:0 0 44px;background:var(--ink-950)}
.rl-catpills{display:flex;flex-wrap:wrap;gap:10px}
.rl-pill{
  display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--tmid);
  transition:color .15s,border-color .15s,background .15s,box-shadow .15s;
}
.rl-pill:hover{color:var(--thi);border-color:rgba(47,230,200,.5)}
.rl-pill.is-active{background:rgba(47,230,200,.12);border-color:var(--accent);color:var(--thi);box-shadow:0 0 0 1px rgba(47,230,200,.25)}

/* ---------- sections ---------- */
.rl-section{padding:56px 0}
@media (min-width:1024px){.rl-section{padding:96px 0}}
.rl-band-900{background:var(--ink-900)}
.rl-band-950{background:var(--ink-950)}
.rl-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.rl-h2{position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);font-weight:700;letter-spacing:-.3px}
.rl-h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--accent)}
.rl-sec-desc{margin-top:10px;font-size:14px;color:var(--tlow)}
.rl-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);min-height:44px}
.rl-textlink svg{transition:transform .18s ease-out}
.rl-textlink:hover{color:#8BF6E3}
.rl-textlink:hover svg{transform:translateX(3px)}

/* ---------- timeline ---------- */
.rl-timeline{position:relative;padding-left:34px}
.rl-timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(47,230,200,.28) 55%,rgba(47,230,200,0));
}
@media (min-width:1024px){.rl-timeline{padding-left:52px}.rl-timeline::before{left:15px}}
.rl-tl-item{position:relative;padding-bottom:22px}
.rl-tl-item:last-child{padding-bottom:0}
.rl-tl-dot{
  position:absolute;top:26px;width:20px;height:20px;border-radius:50%;
  background:var(--ink-900);border:2px solid rgba(47,230,200,.55);display:flex;align-items:center;justify-content:center;
}
@media (min-width:1024px){.rl-tl-dot{width:24px;height:24px;top:24px}}
.rl-tl-item .rl-tl-dot{left:-34px}
@media (min-width:1024px){.rl-tl-item .rl-tl-dot{left:-52px}}
.rl-tl-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.9}
.rl-tl-item.is-current .rl-tl-dot{border-color:rgba(255,90,138,.85);background:rgba(255,90,138,.12);animation:rlPulseDot 2s ease-in-out infinite}
.rl-tl-item.is-current .rl-tl-dot::after{background:var(--magenta)}
@keyframes rlPulseDot{
  0%{box-shadow:0 0 0 0 rgba(255,90,138,.55)}
  70%{box-shadow:0 0 0 12px rgba(255,90,138,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,138,0)}
}
.rl-tl-card{
  position:relative;padding:22px;
  background:var(--glass-fill);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:inset 0 1px 0 var(--glass-top),inset 0 0 0 1px var(--glass-line);
  clip-path:polygon(0 18px,18px 0,calc(100% - 14px) 0,100% 14px,100% calc(100% - 18px),calc(100% - 18px) 100%,18px 100%,0 calc(100% - 18px));
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.rl-tl-card:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 var(--glass-top),inset 0 0 0 1px rgba(47,230,200,.45)}
.rl-tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.rl-tl-time{font-size:13px;font-weight:700;letter-spacing:.4px;color:var(--amber);font-variant-numeric:tabular-nums}
.rl-tl-title{font-size:18px;font-weight:600;margin-bottom:8px}
.rl-tl-text{font-size:15px;color:var(--tmid);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rl-tl-thumb{margin-top:16px;border-radius:14px;overflow:hidden;border:1px solid var(--glass-line);position:relative}
.rl-tl-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.rl-tl-card:hover .rl-tl-thumb img{transform:scale(1.04)}

.rl-note{
  margin-top:28px;padding:18px 20px;border-radius:14px;
  background:var(--glass-fill);border-left:3px solid var(--accent);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
  font-size:14px;color:var(--tmid);
}
.rl-note strong{color:var(--thi);font-weight:600}

/* ---------- way list ---------- */
.rl-way{
  display:flex;align-items:flex-start;gap:14px;padding:20px;border-radius:var(--radius);
  background:var(--glass-fill);border:1px solid var(--glass-line);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.rl-way:hover{transform:translateY(-4px);border-color:rgba(47,230,200,.42)}
.rl-way-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,230,200,.1);border:1px solid rgba(47,230,200,.28);color:var(--accent);
}
.rl-way h3{font-size:17px;font-weight:600;margin-bottom:6px}
.rl-way p{font-size:14px;color:var(--tmid);line-height:1.75}

/* ---------- faq ---------- */
.rl-faq{max-width:820px;margin:0 auto}
.rl-faq-item{
  border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out,background .18s ease-out;
}
.rl-faq-item.is-open{border-color:rgba(255,255,255,.16);border-left:2px solid var(--accent);background:rgba(255,255,255,.055)}
.rl-faq-h{margin:0}
.rl-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;min-height:44px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--thi);
}
.rl-faq-q:hover{color:#FFFFFF}
.rl-faq-icon{flex:0 0 auto;color:var(--accent);transition:transform .22s ease-out}
.rl-faq-item.is-open .rl-faq-icon{transform:rotate(45deg)}
.rl-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;padding:0 20px}
.rl-faq-a p{font-size:15px;line-height:1.8;color:var(--tmid);margin:0 0 18px}

/* ---------- cta panel ---------- */
.rl-cta-panel{
  position:relative;padding:32px 24px;
  background:linear-gradient(150deg,rgba(47,230,200,.14),rgba(255,255,255,.045) 46%,rgba(255,90,138,.08));
  box-shadow:inset 0 1px 0 var(--glass-top),inset 0 0 0 1px var(--glass-line);
  clip-path:polygon(0 22px,22px 0,calc(100% - 16px) 0,100% 16px,100% calc(100% - 22px),calc(100% - 22px) 100%,22px 100%,0 calc(100% - 22px));
}
@media (min-width:768px){.rl-cta-panel{padding:46px 44px}}
.rl-cta-panel h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:12px}
.rl-cta-panel p{font-size:15px;color:var(--tmid);max-width:56ch;margin-bottom:24px}
.rl-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.rl-cta-note{font-size:12px;color:var(--tlow);letter-spacing:.3px}

/* ---------- footer ---------- */
.rl-footer{position:relative;margin-top:0;padding:52px 0 26px;background:var(--ink-900);border-top:1px solid var(--glass-line)}
.rl-footer > .rl-container{display:grid;gap:34px}
@media (min-width:1024px){.rl-footer > .rl-container{grid-template-columns:minmax(250px,1fr) 2fr;gap:56px}}
.rl-footer-brand{display:flex;flex-direction:column;gap:14px}
.rl-footer-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media (min-width:900px){.rl-footer-cols{grid-template-columns:repeat(4,1fr)}}
.rl-footer-title{font-size:14px;font-weight:700;color:var(--thi);margin-bottom:12px}
.rl-footer-list li{margin-bottom:10px}
.rl-footer-list a{font-size:14px;color:var(--tmid);display:inline-block;padding:2px 0}
.rl-footer-list a:hover{color:var(--thi)}
.rl-social{display:flex;gap:10px;margin-top:6px}
.rl-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-fill);border:1px solid var(--glass-line);color:var(--tmid);
  transition:color .15s,border-color .15s,transform .15s;
}
.rl-social a:hover{color:var(--accent);border-color:rgba(47,230,200,.5);transform:translateY(-2px)}
.rl-footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07)}
.rl-footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:var(--tlow);letter-spacing:.3px}

/* ---------- reveal ---------- */
.rl-reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease-out,transform .55s ease-out}
.rl-reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rl-reveal{opacity:1;transform:none;transition:none}
  .rl-pulse,.rl-tl-item.is-current .rl-tl-dot{animation:none}
  html{scroll-behavior:auto}
}