/* roulang page: index */
:root{
      --brand:#7c3aed;
      --brand-2:#ec4899;
      --brand-3:#06b6d4;
      --ink:#111827;
      --muted:#667085;
      --soft:#f7f3ff;
      --soft-2:#fff7ed;
      --line:rgba(17,24,39,.10);
      --card:rgba(255,255,255,.86);
      --radius:28px;
      --radius-sm:18px;
      --shadow:0 24px 70px rgba(46,24,91,.14);
      --shadow-hover:0 32px 90px rgba(46,24,91,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 10%, rgba(236,72,153,.14), transparent 28rem),
        radial-gradient(circle at 84% 4%, rgba(6,182,212,.12), transparent 30rem),
        linear-gradient(180deg,#fff 0%,#faf7ff 42%,#ffffff 100%);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(124,58,237,.18)}
    .site-shell{max-width:1180px;margin:0 auto;padding-left:22px;padding-right:22px}
    .glass{
      background:var(--card);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .header-wrap{
      position:sticky;
      top:16px;
      z-index:50;
      padding:14px 0 0;
    }
    .nav-panel{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:18px;
      padding:12px;
      border-radius:26px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(124,58,237,.13);
      box-shadow:0 18px 55px rgba(36,22,81,.12);
      backdrop-filter:blur(18px);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(236,72,153,.10));
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:13px;
      background:conic-gradient(from 220deg,#7c3aed,#ec4899,#f59e0b,#06b6d4,#7c3aed);
      box-shadow:inset 0 0 0 4px rgba(255,255,255,.72),0 10px 24px rgba(124,58,237,.28);
    }
    .nav-cards{
      display:flex;
      justify-content:center;
      gap:10px;
      min-width:0;
    }
    .nav-card{
      display:flex;
      align-items:center;
      gap:8px;
      min-height:44px;
      padding:9px 14px;
      border-radius:16px;
      color:#4b5563;
      border:1px solid transparent;
      transition:transform .22s ease, background .22s ease, color .22s ease, border .22s ease;
      white-space:nowrap;
      font-weight:700;
    }
    .nav-card:hover,.nav-card.active{
      color:var(--brand);
      background:#fff;
      border-color:rgba(124,58,237,.14);
      transform:translateY(-1px);
      box-shadow:0 10px 24px rgba(124,58,237,.10);
    }
    .nav-dot{
      width:8px;height:8px;border-radius:99px;background:var(--brand);
      box-shadow:0 0 0 5px rgba(124,58,237,.10);
    }
    .nav-action{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .mini-search{
      width:185px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      border-radius:16px;
      padding:11px 14px;
      outline:none;
      color:#374151;
      transition:border .2s ease, box-shadow .2s ease;
    }
    .mini-search:focus{
      border-color:rgba(124,58,237,.42);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      cursor:pointer;
      min-height:46px;
      padding:12px 18px;
      border-radius:16px;
      font-weight:850;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border .22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible{box-shadow:0 0 0 4px rgba(124,58,237,.18)}
    .btn-primary{
      color:white;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 32px rgba(124,58,237,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 42px rgba(124,58,237,.34)}
    .btn-soft{
      color:var(--brand);
      background:#fff;
      border:1px solid rgba(124,58,237,.16);
      box-shadow:0 14px 28px rgba(46,24,91,.08);
    }
    .btn-soft:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.36)}
    .btn-dark{
      color:white;
      background:#17122a;
      box-shadow:0 18px 42px rgba(23,18,42,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#251a45}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 12px;
      color:#6d28d9;
      background:rgba(124,58,237,.10);
      border:1px solid rgba(124,58,237,.14);
      font-size:13px;
      font-weight:800;
    }
    .section{padding:54px 0}
    .section-title{
      font-size:clamp(26px,3vw,42px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:950;
      margin:0;
    }
    .section-lead{
      margin-top:14px;
      color:var(--muted);
      max-width:760px;
      font-size:16px;
    }
    .hero{
      padding:38px 0 34px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(23,18,42,.96),rgba(73,28,130,.92) 48%,rgba(236,72,153,.78)),
        radial-gradient(circle at 82% 18%,rgba(255,255,255,.28),transparent 18rem);
      color:white;
      box-shadow:0 30px 90px rgba(48,22,93,.28);
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:auto -12% -44% auto;
      width:520px;height:520px;border-radius:50%;
      background:conic-gradient(from 90deg,rgba(236,72,153,.45),rgba(6,182,212,.32),rgba(245,158,11,.34),rgba(124,58,237,.45));
      filter:blur(10px);
      opacity:.7;
    }
    .hero-content{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.3fr) minmax(330px,.7fr);
      gap:28px;
      align-items:center;
    }
    .hero h1{
      margin:16px 0 14px;
      max-width:780px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.06;
      letter-spacing:-.055em;
      font-weight:1000;
    }
    .hero p{
      max-width:720px;
      color:rgba(255,255,255,.82);
      font-size:17px;
      margin:0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .point-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:9px 12px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      color:rgba(255,255,255,.88);
      font-weight:750;
      font-size:14px;
    }
    .pulse-dot{
      width:8px;height:8px;border-radius:50%;background:#34d399;
      box-shadow:0 0 0 7px rgba(52,211,153,.14);
    }
    .launch-card{
      align-self:stretch;
      min-height:298px;
      border-radius:30px;
      padding:22px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(14px);
    }
    .count-ring{
      width:172px;height:172px;margin:0 auto 18px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:
        radial-gradient(circle at center,#24183f 0 57%,transparent 58%),
        conic-gradient(#fbbf24 var(--progress),rgba(255,255,255,.16) 0);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 24px 54px rgba(0,0,0,.20);
    }
    .count-ring strong{
      display:block;
      font-size:42px;
      line-height:1;
      letter-spacing:-.05em;
    }
    .count-ring span{
      color:rgba(255,255,255,.70);
      font-size:13px;
      font-weight:750;
    }
    .launch-meta{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:9px;
    }
    .launch-meta div{
      border-radius:16px;
      padding:12px 8px;
      text-align:center;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
    }
    .launch-meta b{display:block;font-size:18px}
    .launch-meta small{color:rgba(255,255,255,.68)}
    .flat-entry{
      display:grid;
      grid-template-columns:1fr 1fr 1.15fr;
      gap:14px;
      margin-top:18px;
    }
    .entry-card{
      border-radius:22px;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 16px 38px rgba(46,24,91,.08);
      transition:transform .22s ease, box-shadow .22s ease, border .22s ease;
    }
    .entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(124,58,237,.18)}
    .entry-card b{display:block;font-size:18px;margin-bottom:6px}
    .entry-card p{margin:0;color:var(--muted);font-size:14px}
    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .play-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .story-card{
      border-radius:var(--radius);
      padding:26px;
      background:linear-gradient(180deg,#fff,#fbf8ff);
      border:1px solid var(--line);
      box-shadow:0 18px 52px rgba(46,24,91,.09);
    }
    .step-list{display:grid;gap:12px;margin-top:22px}
    .step-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(17,24,39,.08);
      transition:transform .22s ease, border .22s ease;
    }
    .step-item:hover{transform:translateX(4px);border-color:rgba(124,58,237,.22)}
    .step-num{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .color-board{
      min-height:500px;
      border-radius:var(--radius);
      padding:22px;
      background:#17122a;
      color:white;
      position:relative;
      overflow:hidden;
      box-shadow:0 24px 68px rgba(23,18,42,.23);
    }
    .swatch-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      margin-top:22px;
    }
    .swatch{
      min-height:98px;border-radius:20px;padding:12px;
      display:flex;align-items:flex-end;
      font-size:12px;font-weight:800;
      border:1px solid rgba(255,255,255,.16);
      transition:transform .22s ease, filter .22s ease;
    }
    .swatch:hover{transform:scale(1.04);filter:saturate(1.1)}
    .reward-panel{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .reward-main{
      border-radius:var(--radius);
      padding:28px;
      background:linear-gradient(135deg,#fff7ed,#fff,#f5f3ff);
      border:1px solid rgba(245,158,11,.16);
      box-shadow:0 18px 52px rgba(46,24,91,.09);
    }
    .reward-list{display:grid;gap:14px;margin-top:22px}
    .reward-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(17,24,39,.08);
    }
    .reward-item span{color:var(--muted);font-size:14px}
    .rank-box{
      border-radius:var(--radius);
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 18px 52px rgba(46,24,91,.08);
    }
    .rank-row{
      display:grid;
      grid-template-columns:34px 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px 0;
      border-bottom:1px solid rgba(17,24,39,.07);
    }
    .rank-row:last-child{border-bottom:0}
    .rank-no{
      width:30px;height:30px;border-radius:11px;
      display:grid;place-items:center;
      font-weight:900;
      background:rgba(124,58,237,.10);
      color:var(--brand);
    }
    .heat{font-weight:900;color:#db2777}
    .progress-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:22px;
    }
    .progress-card{
      border-radius:var(--radius);
      padding:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 18px 52px rgba(46,24,91,.08);
    }
    .meter{
      height:14px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(124,58,237,.10);
      margin:18px 0 12px;
    }
    .meter span{
      display:block;height:100%;width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--brand),var(--brand-2),#f59e0b);
    }
    .task-list{display:grid;gap:12px}
    .task-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:15px;
      border-radius:18px;
      background:linear-gradient(180deg,#fff,#fbfaff);
      border:1px solid rgba(17,24,39,.08);
    }
    .check{
      flex:0 0 auto;
      width:26px;height:26px;border-radius:9px;
      display:grid;place-items:center;
      color:#fff;background:#10b981;
      font-weight:900;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:start;
    }
    .news-list,.side-panel,.faq-card,.cta-strip{
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 18px 52px rgba(46,24,91,.08);
    }
    .news-list{padding:10px}
    .news-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:17px;
      border-radius:20px;
      transition:background .2s ease, transform .2s ease;
    }
    .news-link:hover{background:#faf7ff;transform:translateX(3px)}
    .news-date{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      color:var(--brand);
      background:rgba(124,58,237,.10);
      font-weight:950;
      line-height:1.1;
      text-align:center;
      font-size:13px;
    }
    .news-link p{margin:3px 0 0;color:var(--muted);font-size:14px}
    .arrow{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(17,24,39,.04);
      color:#6b7280;
    }
    .side-panel{padding:24px}
    .changelog{display:grid;gap:14px;margin-top:18px}
    .change{
      position:relative;
      padding-left:22px;
    }
    .change:before{
      content:"";
      position:absolute;
      left:0;top:9px;
      width:9px;height:9px;border-radius:50%;
      background:var(--brand-2);
      box-shadow:0 0 0 6px rgba(236,72,153,.10);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:24px;
    }
    .faq-card{
      padding:22px;
      transition:transform .22s ease, box-shadow .22s ease;
    }
    .faq-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .faq-card h3{font-size:17px;font-weight:950;margin:0 0 8px}
    .faq-card p{margin:0;color:var(--muted);font-size:15px}
    .cta-strip{
      position:relative;
      overflow:hidden;
      padding:30px;
      background:linear-gradient(135deg,#17122a,#351d63 58%,#8b1c73);
      color:white;
    }
    .cta-strip:after{
      content:"";
      position:absolute;right:-90px;top:-100px;
      width:300px;height:300px;border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      z-index:1;
    }
    .subscribe-form{
      display:flex;
      gap:10px;
      padding:8px;
      border-radius:20px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      min-width:390px;
    }
    .subscribe-form input{
      flex:1;
      min-width:0;
      border:0;
      outline:none;
      color:white;
      background:transparent;
      padding:12px;
    }
    .subscribe-form input::placeholder{color:rgba(255,255,255,.62)}
    .footer{
      margin-top:20px;
      padding:42px 0 34px;
      background:#100d1b;
      color:rgba(255,255,255,.78);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;align-items:center;gap:10px;
      color:#fff;font-weight:950;font-size:20px;
      margin-bottom:12px;
    }
    .footer a{transition:color .2s ease}
    .footer a:hover{color:#fff}
    .footer-links{
      display:flex;
      gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .copyright{
      margin-top:24px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.55);
      font-size:14px;
    }
    @media (max-width:1024px){
      .nav-panel{grid-template-columns:1fr;gap:10px}
      .nav-cards{justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
      .nav-action{justify-content:space-between}
      .mini-search{width:100%}
      .hero-content,.play-wrap,.reward-panel,.progress-layout,.news-layout,.cta-inner{grid-template-columns:1fr}
      .launch-card{min-height:auto}
      .flat-entry{grid-template-columns:1fr 1fr}
      .subscribe-form{min-width:0;width:100%}
    }
    @media (max-width:768px){
      .site-shell{padding-left:16px;padding-right:16px}
      .header-wrap{top:8px}
      .nav-panel{border-radius:22px}
      .brand{width:100%;justify-content:center}
      .nav-action{flex-direction:column;align-items:stretch}
      .hero-stage{padding:24px;border-radius:26px}
      .section{padding:40px 0}
      .grid-2,.grid-3,.flat-entry,.faq-grid{grid-template-columns:1fr}
      .swatch-grid{grid-template-columns:repeat(2,1fr)}
      .news-link{grid-template-columns:auto 1fr}
      .news-link .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .hero h1{font-size:34px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .launch-meta{grid-template-columns:1fr}
      .count-ring{width:148px;height:148px}
      .subscribe-form{flex-direction:column}
      .section-title{font-size:28px}
    }