/* roulang page: index */
:root{
      --bg-0:#06100d;
      --bg-1:#0b1712;
      --bg-2:#101a17;
      --panel:#13231d;
      --panel-2:#182b23;
      --card:#102019;
      --card-soft:rgba(255,255,255,.055);
      --text:#f3fff8;
      --muted:#a7b9b0;
      --weak:#73857d;
      --line:rgba(197,255,218,.16);
      --line-strong:rgba(91,255,174,.34);
      --green:#3ff29b;
      --green-2:#13c77f;
      --cyan:#33e0e6;
      --gold:#f4b84a;
      --amber:#ffcf75;
      --danger:#ff7e68;
      --shadow:0 18px 60px rgba(0,0,0,.36);
      --shadow-soft:0 10px 32px rgba(0,0,0,.22);
      --radius-xl:26px;
      --radius-lg:20px;
      --radius-md:16px;
      --radius-sm:12px;
      --max:1240px;
      --font: "Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 8% 4%,rgba(63,242,155,.18),transparent 28%),
        radial-gradient(circle at 86% 14%,rgba(51,224,230,.13),transparent 26%),
        linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,#07110e);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease}
    a:hover,a:focus{color:var(--green)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font-family:inherit}
    input,textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    textarea{min-height:110px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#82938c}
    input:focus,textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(63,242,155,.14);
      background:rgba(255,255,255,.095);
    }
    .site-wrap{position:relative;min-height:100vh}
    .rl-container{
      width:min(calc(100% - 36px),var(--max));
      margin:0 auto;
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section.compact{padding:58px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-weight:800;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:10px;
    }
    .section-kicker:before{
      content:"";
      width:10px;
      height:10px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 18px rgba(63,242,155,.9);
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .section-desc{
      margin:12px 0 0;
      max-width:720px;
      color:var(--muted);
      font-size:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      border:1px solid transparent;
      padding:13px 20px;
      min-height:48px;
      font-weight:850;
      cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      line-height:1.2;
      white-space:nowrap;
    }
    .btn.primary{
      background:linear-gradient(135deg,var(--green),var(--cyan));
      color:#06110d;
      box-shadow:0 12px 34px rgba(63,242,155,.22);
    }
    .btn.secondary{
      background:rgba(255,255,255,.07);
      border-color:var(--line);
      color:var(--text);
    }
    .btn.gold{
      background:linear-gradient(135deg,var(--gold),var(--amber));
      color:#171108;
      box-shadow:0 12px 34px rgba(244,184,74,.18);
    }
    .btn:hover,.btn:focus{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.32);
      box-shadow:0 18px 44px rgba(0,0,0,.28),0 0 0 4px rgba(63,242,155,.12);
      color:#06110d;
    }
    .btn.secondary:hover,.btn.secondary:focus{color:var(--text);background:rgba(255,255,255,.11)}
    .btn:active{transform:translateY(0) scale(.99)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 11px;
      color:#dffdec;
      background:rgba(255,255,255,.055);
      font-size:13px;
      font-weight:750;
    }
    .badge.hot{border-color:rgba(244,184,74,.35);color:#ffe2a6;background:rgba(244,184,74,.1)}
    .card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
      overflow:hidden;
      position:relative;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
      background:linear-gradient(180deg,rgba(255,255,255,.092),rgba(255,255,255,.045));
    }
    .card-pad{padding:24px}
    .topbar{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(5,14,11,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:13px;
      font-weight:950;
      font-size:24px;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        radial-gradient(circle at 30% 20%,#fff 0 6%,transparent 7%),
        linear-gradient(135deg,var(--green),var(--cyan) 55%,var(--gold));
      box-shadow:0 0 34px rgba(63,242,155,.28);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:2px solid rgba(6,17,13,.75);
      border-radius:10px;
    }
    .brand-tools{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .searchbox{
      width:270px;
      max-width:32vw;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.055);
      padding:8px 12px;
      color:var(--weak);
    }
    .searchbox input{
      border:0;
      background:transparent;
      padding:0;
      min-height:28px;
      box-shadow:none;
    }
    .searchbox input:focus{box-shadow:none;background:transparent}
    .channel-row{
      border-top:1px solid rgba(255,255,255,.06);
      min-height:48px;
      display:flex;
      align-items:center;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .channel-row::-webkit-scrollbar{display:none}
    .channel-list{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      padding:8px 0;
      list-style:none;
      min-width:max-content;
    }
    .channel-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid transparent;
      color:var(--muted);
      font-weight:800;
      font-size:14px;
    }
    .channel-link:hover,.channel-link:focus{
      color:var(--text);
      background:rgba(63,242,155,.09);
      border-color:rgba(63,242,155,.22);
    }
    .channel-link.active{
      color:#06110d;
      background:linear-gradient(135deg,var(--green),var(--cyan));
      box-shadow:0 8px 22px rgba(63,242,155,.16);
    }
    .hero{
      padding:74px 0 42px;
    }
    .hero-panel{
      border-radius:32px;
      border:1px solid rgba(91,255,174,.24);
      background:
        linear-gradient(110deg,rgba(15,42,31,.96),rgba(8,18,15,.93) 58%,rgba(32,24,11,.92)),
        radial-gradient(circle at 20% 30%,rgba(63,242,155,.2),transparent 28%);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,transparent 0 44%,rgba(63,242,155,.08) 45%,transparent 46%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 68px);
      opacity:.78;
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:38px;
    }
    .hero-question{
      display:grid;
      grid-template-columns:minmax(0,1.45fr) minmax(320px,.8fr);
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:430px;
    }
    .hero h1{
      margin:16px 0 16px;
      font-size:clamp(36px,6vw,72px);
      line-height:.98;
      letter-spacing:-.065em;
      max-width:900px;
      font-weight:1000;
    }
    .hero-lead{
      margin:0;
      max-width:760px;
      color:#cfe1d8;
      font-size:clamp(16px,1.55vw,20px);
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
    }
    .score-card{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
    }
    .score-card strong{
      display:block;
      font-size:30px;
      line-height:1;
      font-weight:950;
      color:var(--green);
      font-variant-numeric:tabular-nums;
      margin-bottom:8px;
    }
    .score-card span{color:var(--muted);font-size:13px;font-weight:700}
    .lead-form{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(5,14,11,.66);
      padding:24px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .lead-form h2{
      margin:0 0 8px;
      font-size:24px;
      line-height:1.25;
      font-weight:950;
    }
    .lead-form p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .form-row{margin-bottom:12px}
    .form-note{
      display:flex;
      align-items:flex-start;
      gap:9px;
      margin-top:13px;
      color:#9fb1a9;
      font-size:12px;
      line-height:1.55;
    }
    .commission-strip{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr .9fr;
      gap:16px;
      align-items:stretch;
    }
    .commission-main{
      padding:28px;
      background:
        radial-gradient(circle at 88% 18%,rgba(244,184,74,.16),transparent 32%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
    }
    .commission-main h3,.material-card h3,.member-card h3,.security-card h3{
      margin:0 0 10px;
      font-size:22px;
      font-weight:950;
      line-height:1.25;
    }
    .commission-main p,.material-card p,.member-card p,.security-card p{
      color:var(--muted);
      margin:0;
      font-size:15px;
    }
    .metric-mini{
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:178px;
    }
    .metric-mini .num{
      font-size:36px;
      font-weight:1000;
      line-height:1;
      color:var(--amber);
      font-variant-numeric:tabular-nums;
    }
    .metric-mini .label{color:var(--muted);font-weight:760;margin-top:12px}
    .material-layout{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      grid-template-areas:
        "large large side"
        "small1 small2 side";
      gap:16px;
    }
    .material-card{padding:24px;min-height:194px}
    .material-card.large{grid-area:large;min-height:250px}
    .material-card.side{grid-area:side}
    .material-card.small1{grid-area:small1}
    .material-card.small2{grid-area:small2}
    .icon-pill{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(63,242,155,.12);
      border:1px solid rgba(63,242,155,.24);
      color:var(--green);
      font-size:20px;
      margin-bottom:18px;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-top:18px;
      font-weight:850;
      color:var(--green);
    }
    .mini-link:hover{gap:11px}
    .compare-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .compare-col{
      padding:26px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .compare-col.highlight{
      border-color:rgba(63,242,155,.32);
      background:linear-gradient(180deg,rgba(63,242,155,.09),rgba(255,255,255,.04));
      box-shadow:0 22px 50px rgba(63,242,155,.08);
    }
    .compare-col h3{
      margin:0 0 20px;
      font-size:24px;
      font-weight:950;
    }
    .bar-item{margin-bottom:18px}
    .bar-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#dceee5;
      font-weight:800;
      margin-bottom:8px;
      font-size:14px;
    }
    .bar{
      height:10px;
      border-radius:99px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:99px;
      background:linear-gradient(90deg,var(--green),var(--cyan));
      box-shadow:0 0 16px rgba(63,242,155,.35);
    }
    .compare-col:not(.highlight) .bar span{
      background:linear-gradient(90deg,#6f7d76,#9aa8a1);
      box-shadow:none;
    }
    .news-grid{
      display:grid;
      grid-template-columns:minmax(0,1.55fr) minmax(300px,.75fr);
      gap:18px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:18px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.052);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .news-item:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.075);
    }
    .news-item h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
      font-weight:950;
    }
    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
      color:var(--weak);
      font-size:12px;
      font-weight:760;
    }
    .news-go{
      align-self:center;
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      color:var(--green);
      background:rgba(63,242,155,.08);
    }
    .news-item:hover .news-go{
      border-color:rgba(63,242,155,.38);
      transform:translateX(2px);
    }
    .empty-state{
      padding:28px;
      border-radius:20px;
      border:1px dashed rgba(255,255,255,.22);
      color:var(--muted);
      background:rgba(255,255,255,.045);
      text-align:center;
    }
    .side-recommend{
      padding:24px;
      position:sticky;
      top:142px;
    }
    .side-recommend h3{
      margin:0 0 14px;
      font-size:22px;
      font-weight:950;
    }
    .side-list{display:grid;gap:12px;margin-top:18px}
    .side-list a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#dbece4;
      font-weight:800;
    }
    .side-list a:hover{color:var(--green);padding-left:4px}
    .member-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .member-card{padding:22px}
    .member-card .tagline{
      display:inline-flex;
      color:#06110d;
      background:var(--green);
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      margin-bottom:16px;
    }
    .preview-timeline{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      counter-reset:step;
    }
    .preview-card{
      padding:22px;
      min-height:210px;
    }
    .preview-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:14px;
      background:rgba(244,184,74,.13);
      border:1px solid rgba(244,184,74,.25);
      color:var(--amber);
      font-weight:1000;
      margin-bottom:18px;
      font-variant-numeric:tabular-nums;
    }
    .preview-card h3{
      margin:0 0 9px;
      font-size:20px;
      font-weight:950;
    }
    .preview-card p{margin:0;color:var(--muted);font-size:14px}
    .scenario-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .scenario-visual{
      min-height:360px;
      border-radius:26px;
      border:1px solid var(--line);
      background:
        radial-gradient(circle at 50% 36%,rgba(63,242,155,.23),transparent 29%),
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
      position:relative;
      overflow:hidden;
    }
    .scenario-visual:before{
      content:"";
      position:absolute;
      left:10%;
      right:10%;
      top:18%;
      bottom:18%;
      border:2px solid rgba(63,242,155,.25);
      border-radius:32px;
      transform:skew(-8deg);
    }
    .scenario-visual:after{
      content:"btbtdy天堂";
      position:absolute;
      inset:auto 28px 28px 28px;
      color:rgba(255,255,255,.13);
      font-size:46px;
      font-weight:1000;
      letter-spacing:-.06em;
    }
    .step-list{display:grid;gap:14px}
    .step-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      padding:20px;
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.052);
    }
    .step-dot{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(51,224,230,.12);
      border:1px solid rgba(51,224,230,.24);
      color:var(--cyan);
      font-weight:1000;
    }
    .step-item h3{margin:0 0 6px;font-size:19px;font-weight:950}
    .step-item p{margin:0;color:var(--muted);font-size:14px}
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .security-card{padding:22px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:22px;
      align-items:start;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid var(--line);
      background:rgba(255,255,255,.052);
    }
    .accordion-title{
      color:var(--text);
      font-weight:950;
      font-size:16px;
      padding:18px 50px 18px 20px;
      border:0;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:var(--green);
      background:rgba(63,242,155,.06);
    }
    .accordion-title:before{color:var(--green);font-size:20px;right:20px;margin-top:-11px}
    .accordion-content{
      color:var(--muted);
      background:rgba(0,0,0,.08);
      border:0;
      padding:0 20px 20px;
      font-size:15px;
    }
    .join-panel{
      border-radius:30px;
      border:1px solid rgba(244,184,74,.25);
      background:
        radial-gradient(circle at 12% 20%,rgba(244,184,74,.14),transparent 34%),
        radial-gradient(circle at 88% 20%,rgba(63,242,155,.13),transparent 30%),
        linear-gradient(135deg,rgba(27,30,20,.96),rgba(8,18,15,.94));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .join-inner{
      padding:32px;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:start;
    }
    .join-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .join-list li{
      list-style:none;
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#d7e9e0;
    }
    .join-list i{color:var(--green);margin-top:5px}
    .join-form{
      padding:24px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .form-grid .wide{grid-column:1/-1}
    .footer{
      border-top:1px solid var(--line);
      background:rgba(4,11,9,.78);
      padding:50px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      margin-bottom:34px;
    }
    .footer h3{
      margin:0 0 14px;
      font-size:18px;
      font-weight:950;
    }
    .footer p,.footer a{
      color:var(--muted);
      font-size:14px;
    }
    .footer a{display:inline-flex;margin:5px 0}
    .footer a:hover{color:var(--green);transform:translateX(3px)}
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:22px;
      font-weight:950;
      margin-bottom:12px;
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      border-top:1px solid rgba(255,255,255,.08);
      padding-top:20px;
      color:var(--weak);
      font-size:13px;
    }
    .mobile-cta{
      display:none;
      position:fixed;
      left:14px;
      right:14px;
      bottom:14px;
      z-index:99;
      padding:10px;
      border:1px solid rgba(63,242,155,.28);
      border-radius:999px;
      background:rgba(6,16,13,.9);
      backdrop-filter:blur(14px);
      box-shadow:0 18px 46px rgba(0,0,0,.36);
    }
    .mobile-cta .btn{width:100%;min-height:44px;padding:11px 14px}
    @media (max-width:1180px){
      .commission-strip{grid-template-columns:1fr 1fr}
      .member-grid,.security-grid,.preview-timeline{grid-template-columns:repeat(2,1fr)}
      .material-layout{
        grid-template-columns:1fr 1fr;
        grid-template-areas:"large large" "side side" "small1 small2";
      }
    }
    @media (max-width:1024px){
      .hero-question,.news-grid,.scenario-panel,.faq-wrap,.join-inner{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .side-recommend{position:relative;top:auto}
      .searchbox{display:none}
      .hero-stats{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:768px){
      .rl-container{width:min(calc(100% - 24px),var(--max))}
      .section{padding:58px 0}
      .brand-row{min-height:66px}
      .brand{font-size:20px}
      .brand-mark{width:38px;height:38px}
      .brand-tools .btn.secondary{display:none}
      .hero{padding:42px 0 26px}
      .hero-inner{padding:22px}
      .hero h1{font-size:42px}
      .hero-lead{font-size:16px}
      .hero-stats,.commission-strip,.compare-board,.member-grid,.security-grid,.preview-timeline,.form-grid{grid-template-columns:1fr}
      .material-layout{
        grid-template-columns:1fr;
        grid-template-areas:"large" "side" "small1" "small2";
      }
      .section-head{display:block}
      .news-item{grid-template-columns:1fr}
      .news-go{width:100%;height:40px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
      .mobile-cta{display:block}
      body{padding-bottom:74px}
      .btn{width:100%}
      .hero-actions{display:grid}
    }
    @media (max-width:520px){
      .hero-panel{border-radius:24px}
      .hero h1{font-size:36px}
      .score-card strong{font-size:26px}
      .card-pad,.lead-form,.join-form{padding:18px}
      .section-title{font-size:28px}
      .scenario-visual{min-height:240px}
      .scenario-visual:after{font-size:30px}
      .brand-tools .btn.primary{padding:11px 13px;font-size:13px}
    }

/* roulang page: article */
:root{
      --bg-0:#06100d;
      --bg-1:#0b1712;
      --bg-2:#101a17;
      --panel:#13231d;
      --panel-2:#182b23;
      --card:#102019;
      --card-soft:rgba(255,255,255,.055);
      --text:#f3fff8;
      --muted:#a7b9b0;
      --weak:#73857d;
      --line:rgba(197,255,218,.16);
      --line-strong:rgba(91,255,174,.34);
      --green:#3ff29b;
      --green-2:#13c77f;
      --cyan:#33e0e6;
      --gold:#f4b84a;
      --amber:#ffcf75;
      --danger:#ff7e68;
      --shadow:0 18px 60px rgba(0,0,0,.36);
      --shadow-soft:0 10px 32px rgba(0,0,0,.22);
      --radius-xl:26px;
      --radius-lg:20px;
      --radius-md:16px;
      --radius-sm:12px;
      --max:1240px;
      --font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      --focus:rgba(51,224,230,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 8% 4%,rgba(63,242,155,.18),transparent 28%),
        radial-gradient(circle at 86% 14%,rgba(51,224,230,.13),transparent 26%),
        linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,#07110e);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover,a:focus{color:var(--green)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px var(--focus);
    }
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font-family:inherit}
    input,textarea,select{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease,transform .22s ease;
    }
    input::placeholder,textarea::placeholder{color:#82938c}
    input:focus,textarea:focus,select:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(63,242,155,.14);
      background:rgba(255,255,255,.095);
    }
    .rl-container{
      width:min(calc(100% - 36px),var(--max));
      margin:0 auto;
    }
    .section{
      padding:80px 0;
      position:relative;
    }
    .section.compact{padding:52px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-weight:800;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:10px;
      text-transform:uppercase;
    }
    .section-kicker:before{
      content:"";
      width:10px;
      height:10px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 18px rgba(63,242,155,.9);
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .section-desc{
      margin:12px 0 0;
      max-width:720px;
      color:var(--muted);
      font-size:16px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 11px;
      color:#dffdec;
      background:rgba(255,255,255,.055);
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .badge.hot{
      border-color:rgba(244,184,74,.35);
      color:#ffe2a6;
      background:rgba(244,184,74,.1);
    }
    .badge.ghost{
      color:var(--muted);
      background:rgba(255,255,255,.03);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      border:1px solid transparent;
      padding:13px 20px;
      min-height:48px;
      font-weight:850;
      cursor:pointer;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
      line-height:1.2;
      white-space:nowrap;
    }
    .btn.primary{
      background:linear-gradient(135deg,var(--green),var(--cyan));
      color:#06110d;
      box-shadow:0 12px 34px rgba(63,242,155,.22);
    }
    .btn.secondary{
      background:rgba(255,255,255,.07);
      border-color:var(--line);
      color:var(--text);
    }
    .btn.gold{
      background:linear-gradient(135deg,var(--gold),var(--amber));
      color:#171108;
      box-shadow:0 12px 34px rgba(244,184,74,.18);
    }
    .btn:hover,.btn:focus{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.32);
      box-shadow:0 18px 44px rgba(0,0,0,.28),0 0 0 4px rgba(63,242,155,.12);
    }
    .btn.primary:hover,.btn.primary:focus{color:#06110d}
    .btn.secondary:hover,.btn.secondary:focus{color:var(--text);background:rgba(255,255,255,.11)}
    .btn:active{transform:translateY(0) scale(.99)}
    .card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
      overflow:hidden;
      position:relative;
    }
    .card:before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at top left,rgba(63,242,155,.08),transparent 42%);
      pointer-events:none;
      opacity:.9;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
      background:linear-gradient(180deg,rgba(255,255,255,.092),rgba(255,255,255,.045));
    }
    .card-pad{padding:24px}
    .topbar{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(5,14,11,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:13px;
      font-weight:950;
      font-size:24px;
      letter-spacing:-.03em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        radial-gradient(circle at 30% 22%,#fff 0 8%,transparent 9%),
        linear-gradient(135deg,var(--green),var(--cyan));
      box-shadow:0 16px 34px rgba(63,242,155,.22), inset 0 0 0 1px rgba(255,255,255,.14);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:11px;
      border:1px solid rgba(6,16,13,.24);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .brand-tools{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .searchbox{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 14px;
      min-height:48px;
      width:min(360px,100%);
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--muted);
      transition:border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .searchbox:focus-within{
      border-color:rgba(63,242,155,.42);
      background:rgba(255,255,255,.085);
      box-shadow:0 0 0 4px rgba(63,242,155,.1);
    }
    .searchbox i{color:var(--green)}
    .searchbox input{
      border:none;
      background:transparent;
      padding:0;
      min-height:40px;
      box-shadow:none;
      border-radius:0;
      color:var(--text);
    }
    .searchbox input:focus{box-shadow:none;border:none;background:transparent}
    .searchbox input::placeholder{color:#8a9b93}
    .channel-row{
      padding:0 0 14px;
      border-top:1px solid var(--line);
      margin-top:12px;
    }
    .channel-list{
      list-style:none;
      margin:14px 0 0;
      padding:0;
      display:flex;
      gap:10px;
      flex-wrap:nowrap;
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
      scrollbar-width:none;
    }
    .channel-list::-webkit-scrollbar{display:none}
    .channel-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 15px;
      border:1px solid var(--line);
      border-radius:999px;
      color:#dcebe2;
      background:rgba(255,255,255,.04);
      white-space:nowrap;
      font-weight:800;
      letter-spacing:.01em;
      position:relative;
    }
    .channel-link:after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:transparent;
      transition:background .2s ease,opacity .2s ease;
      opacity:.0;
    }
    .channel-link:hover,.channel-link:focus{
      color:#06110d;
      background:linear-gradient(135deg,rgba(63,242,155,.95),rgba(51,224,230,.95));
      border-color:transparent;
      box-shadow:0 12px 26px rgba(63,242,155,.18);
    }
    .channel-link.active{
      background:linear-gradient(135deg,rgba(63,242,155,.95),rgba(51,224,230,.95));
      color:#06110d;
      border-color:transparent;
      box-shadow:0 12px 26px rgba(63,242,155,.18);
    }
    .channel-link.active:after{background:rgba(6,16,13,.22);opacity:1}
    .article-hero{padding-top:34px;padding-bottom:26px}
    .hero-card{
      padding:26px;
      overflow:hidden;
      background:
        radial-gradient(circle at 85% 15%,rgba(51,224,230,.12),transparent 26%),
        radial-gradient(circle at 12% 24%,rgba(63,242,155,.12),transparent 30%),
        linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
    }
    .hero-card:after{
      content:"";
      position:absolute;
      inset:auto -8% -42% auto;
      width:340px;
      height:340px;
      background:radial-gradient(circle,rgba(63,242,155,.15),transparent 68%);
      pointer-events:none;
      filter:blur(8px);
    }
    .article-crumbs{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin-bottom:16px;
    }
    .article-crumbs a{
      color:#dffdec;
      border-bottom:1px solid transparent;
    }
    .article-crumbs a:hover{border-color:rgba(63,242,155,.45);color:var(--green)}
    .article-meta-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:14px;
    }
    .article-title{
      margin:0;
      font-size:clamp(32px,4.5vw,58px);
      line-height:1.06;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .article-subtitle{
      margin:16px 0 0;
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .metric-card{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.05);
      padding:16px 15px;
      min-height:96px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .metric-label{
      color:var(--muted);
      font-size:13px;
      letter-spacing:.02em;
      margin-bottom:8px;
    }
    .metric-value{
      font-weight:900;
      font-size:18px;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .metric-note{
      margin-top:8px;
      color:var(--weak);
      font-size:12px;
    }
    .article-layout{
      padding-top:10px;
    }
    .article-shell{
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
    }
    .article-content{
      padding:28px;
      color:#e9f5ef;
      font-size:16px;
      line-height:1.9;
      max-width:100%;
      overflow:hidden;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content h2,
    .article-content h3,
    .article-content h4{
      line-height:1.28;
      letter-spacing:-.03em;
      margin:34px 0 14px;
      font-weight:900;
      color:#f7fff9;
    }
    .article-content h2{font-size:clamp(22px,2.5vw,30px)}
    .article-content h3{font-size:clamp(19px,2vw,24px)}
    .article-content p{
      margin:14px 0;
      color:#dce8e2;
    }
    .article-content a{
      color:var(--green);
      border-bottom:1px solid rgba(63,242,155,.36);
    }
    .article-content a:hover{border-color:rgba(63,242,155,.7)}
    .article-content ul,
    .article-content ol{
      margin:14px 0 14px 1.15rem;
      color:#dce8e2;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:22px 0;
      padding:18px 20px;
      border-left:4px solid var(--green);
      background:rgba(63,242,155,.08);
      border-radius:0 16px 16px 0;
      color:#eefaf2;
    }
    .article-content hr{
      border:none;
      border-top:1px solid var(--line);
      margin:26px 0;
    }
    .article-content img,
    .article-content video,
    .article-content iframe{
      max-width:100%;
      border-radius:18px;
      box-shadow:var(--shadow-soft);
    }
    .article-content figure{
      margin:24px 0;
    }
    .article-content figcaption{
      margin-top:10px;
      color:var(--weak);
      font-size:13px;
      text-align:center;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:22px 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      display:block;
    }
    .article-content thead,
    .article-content tbody,
    .article-content tr{display:table;width:100%;table-layout:fixed}
    .article-content th,
    .article-content td{
      padding:12px 14px;
      text-align:left;
      border-bottom:1px solid var(--line);
      color:#e9f5ef;
      word-break:break-word;
    }
    .article-content th{
      background:rgba(255,255,255,.05);
      font-weight:800;
      color:#f5fff9;
    }
    .article-content tr:last-child td{border-bottom:none}
    .article-content code{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      padding:2px 6px;
      color:#ffdf96;
    }
    .article-content pre{
      background:#071410;
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px;
      overflow:auto;
      color:#effbf2;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .article-content pre code{
      background:transparent;
      border:none;
      padding:0;
      color:inherit;
    }
    .sidebar-stack{
      position:sticky;
      top:108px;
    }
    .aside-card + .aside-card{margin-top:16px}
    .aside-title{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .info-list{
      list-style:none;
      padding:0;
      margin:0;
    }
    .info-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      color:#d8e6df;
    }
    .info-list li:last-child{border-bottom:none}
    .info-list span{color:var(--muted)}
    .info-list strong{
      font-weight:850;
      text-align:right;
      color:#f5fff9;
    }
    .mini-note{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .link-list{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .link-card{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      color:#e9f5ef;
      transition:transform .2s ease,background .2s ease,border-color .2s ease;
    }
    .link-card:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.08);
      border-color:var(--line-strong);
      color:#fff;
    }
    .link-card i{
      color:var(--green);
      margin-top:2px;
      flex:0 0 auto;
    }
    .link-card strong{
      display:block;
      font-size:15px;
      margin-bottom:2px;
    }
    .link-card span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .related-panel{
      background:
        radial-gradient(circle at top right,rgba(244,184,74,.08),transparent 34%),
        linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:16px;
    }
    .related-item{
      padding:16px 14px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.05);
      min-height:102px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
      transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
    }
    .related-item:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.08);
      box-shadow:0 14px 28px rgba(0,0,0,.16);
      color:#fff;
    }
    .related-item .tag{
      color:var(--green);
      font-size:12px;
      font-weight:800;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .related-item strong{
      font-size:15px;
      line-height:1.45;
      letter-spacing:-.01em;
    }
    .related-item span{
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .contact-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      background:
        linear-gradient(135deg,rgba(63,242,155,.13),rgba(51,224,230,.08)),
        linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
    }
    .contact-strip .copy{
      max-width:620px;
    }
    .contact-strip .copy p{
      margin:8px 0 0;
      color:var(--muted);
    }
    .missing-card{
      max-width:760px;
      margin:0 auto;
      text-align:center;
      overflow:hidden;
    }
    .missing-state{
      padding:34px 24px;
    }
    .missing-icon{
      width:74px;
      height:74px;
      margin:0 auto 18px;
      border-radius:24px;
      display:grid;
      place-items:center;
      color:#06110d;
      background:linear-gradient(135deg,var(--green),var(--cyan));
      box-shadow:0 16px 34px rgba(63,242,155,.22);
      font-size:28px;
    }
    .missing-title{
      margin:0;
      font-size:clamp(28px,4vw,44px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .footer{
      margin-top:20px;
      padding:56px 0 26px;
      background:rgba(5,14,11,.96);
      border-top:1px solid var(--line);
      position:relative;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:2fr 1fr 1fr;
      gap:24px;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .footer p,.footer a{
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .footer a{
      display:inline-flex;
      margin:4px 0;
    }
    .footer a:hover{color:var(--green)}
    .footer h3{
      margin:0 0 12px;
      font-size:16px;
      font-weight:900;
      color:#f5fff9;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
      padding-top:18px;
      margin-top:22px;
      border-top:1px solid var(--line);
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width: 1024px){
      .brand-row{align-items:flex-start;flex-direction:column;padding:16px 0}
      .brand-tools{width:100%;justify-content:space-between}
      .searchbox{width:100%;max-width:none}
      .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr))}
      .sidebar-stack{position:static}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .section{padding:62px 0}
      .hero-card{padding:20px}
      .article-title{font-size:clamp(30px,8vw,44px)}
      .article-subtitle{font-size:16px}
      .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
      .card-pad,.article-content{padding:20px}
      .related-grid{grid-template-columns:1fr}
      .contact-strip{align-items:flex-start}
      .btn{width:auto}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width: 520px){
      .rl-container{width:min(calc(100% - 24px),var(--max))}
      .brand{font-size:21px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-tools{gap:8px}
      .searchbox{min-height:46px}
      .channel-link{padding:10px 13px;font-size:13px}
      .article-hero{padding-top:24px}
      .hero-stats{grid-template-columns:1fr}
      .hero-actions,.contact-strip{width:100%}
      .hero-actions .btn,.contact-strip .btn{width:100%}
      .article-title{font-size:clamp(28px,10vw,40px)}
      .article-content{font-size:15px}
      .missing-state{padding:28px 18px}
    }