/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-2:#0b1630;
      --bg-3:#101c3d;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.105);
      --panel-soft:rgba(255,255,255,.048);
      --line:rgba(255,255,255,.14);
      --line-strong:rgba(46,235,255,.42);
      --text:#eef7ff;
      --text-soft:#b9c7df;
      --text-muted:#7f91af;
      --cyan:#2eebff;
      --blue:#3b82f6;
      --violet:#7c3aed;
      --pink:#ff4d6d;
      --green:#35f2a5;
      --yellow:#ffd166;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --glow:0 0 34px rgba(46,235,255,.22);
      --glow-strong:0 0 48px rgba(46,235,255,.34);
      --container:1220px;
      --header-h:76px;
      --ease:220ms ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 6%, rgba(46,235,255,.18), transparent 30%),
        radial-gradient(circle at 85% 16%, rgba(124,58,237,.24), transparent 34%),
        radial-gradient(circle at 50% 78%, rgba(59,130,246,.14), transparent 38%),
        linear-gradient(135deg,#06101e 0%,#09162e 48%,#07111f 100%);
      overflow-x:hidden;
      padding-bottom:0;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.92), transparent 84%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      width:520px;
      height:520px;
      right:-220px;
      bottom:10%;
      border-radius:50%;
      background:radial-gradient(circle, rgba(46,235,255,.16), transparent 66%);
      filter:blur(10px);
      pointer-events:none;
      z-index:-1;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease);
    }
    a:hover,a:focus{color:var(--cyan)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(46,235,255,.32);color:#fff}
    :focus-visible{
      outline:2px solid rgba(46,235,255,.85);
      outline-offset:4px;
      border-radius:10px;
    }

    .site-shell{
      width:min(calc(100% - 36px), var(--container));
      margin:0 auto;
    }
    .section{
      position:relative;
      padding:92px 0;
    }
    .section.compact{padding:70px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:32px;
      padding:5px 12px;
      border:1px solid rgba(46,235,255,.24);
      border-radius:999px;
      background:rgba(46,235,255,.08);
      color:#c9fbff;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:16px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px var(--cyan);
    }
    .section-head{
      max-width:780px;
      margin-bottom:34px;
    }
    .section-head.center{
      margin-left:auto;
      margin-right:auto;
      text-align:center;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3{
      color:#fff;
      font-weight:850;
      letter-spacing:-.045em;
      line-height:1.12;
    }
    h1{
      font-size:clamp(32px,5vw,58px);
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(26px,3.6vw,40px);
      margin-bottom:14px;
    }
    h3{
      font-size:21px;
      margin-bottom:10px;
    }
    p{
      color:var(--text-soft);
      font-size:16px;
      line-height:1.78;
      margin-bottom:0;
    }
    .lead{
      font-size:18px;
      color:#d9e8ff;
      max-width:840px;
    }
    .muted{color:var(--text-muted)}
    .highlight{
      color:#fff;
      text-shadow:0 0 28px rgba(46,235,255,.24);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(7,17,31,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.1);
      box-shadow:0 10px 36px rgba(0,0,0,.22);
    }
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#fff;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:16px;
      background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,.38), transparent 28%),
        linear-gradient(135deg,var(--cyan),var(--blue) 52%,var(--violet));
      box-shadow:0 0 28px rgba(46,235,255,.26);
      position:relative;
      display:grid;
      place-items:center;
    }
    .brand-mark::before{
      content:"";
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
      transform:translateX(2px);
      filter:drop-shadow(0 0 8px rgba(255,255,255,.55));
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.18;
      min-width:0;
    }
    .brand-title{
      font-size:15px;
      max-width:320px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .brand-sub{
      font-size:12px;
      color:var(--text-muted);
      font-weight:650;
      letter-spacing:.05em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:#c8d6ef;
      font-size:14px;
      font-weight:750;
      border:1px solid transparent;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.075);
      border-color:rgba(46,235,255,.28);
      box-shadow:0 0 22px rgba(46,235,255,.08);
    }
    .nav-cta{
      margin-left:8px;
      min-height:42px;
      padding:0 17px;
      font-size:14px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 21px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      color:#fff;
      line-height:1;
      white-space:nowrap;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),var(--blue) 55%,var(--violet));
      box-shadow:0 14px 34px rgba(46,235,255,.22), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 52px rgba(46,235,255,.34), inset 0 1px 0 rgba(255,255,255,.34);
    }
    .btn-secondary{
      background:rgba(255,255,255,.075);
      border-color:rgba(255,255,255,.16);
      color:#eaf6ff;
      backdrop-filter:blur(14px);
    }
    .btn-secondary:hover{
      color:#fff;
      border-color:rgba(46,235,255,.48);
      background:rgba(46,235,255,.09);
      box-shadow:0 0 24px rgba(46,235,255,.16);
      transform:translateY(-2px);
    }
    .btn:active{transform:translateY(0) scale(.99)}
    .btn-arrow{
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.16);
      transition:transform var(--ease);
    }
    .btn:hover .btn-arrow{transform:translateX(2px)}

    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      min-height:34px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.13);
      color:#dcecff;
      font-size:13px;
      font-weight:750;
    }
    .badge i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px rgba(53,242,165,.65);
    }
    .badge.warn i{background:var(--yellow);box-shadow:0 0 12px rgba(255,209,102,.6)}
    .badge.hot i{background:var(--pink);box-shadow:0 0 12px rgba(255,77,109,.65)}

    .glass-card{
      position:relative;
      background:linear-gradient(180deg, var(--panel-strong), var(--panel-soft));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      overflow:hidden;
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 18% 0%, rgba(46,235,255,.12), transparent 38%);
      pointer-events:none;
      opacity:.75;
    }
    .glass-card > *{position:relative;z-index:1}
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:rgba(46,235,255,.34);
      background:linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
      box-shadow:var(--shadow), var(--glow);
    }

    .hero{
      padding:66px 0 86px;
    }
    .hero-stage{
      position:relative;
      border-radius:34px;
      padding:34px;
      background:
        linear-gradient(135deg, rgba(46,235,255,.12), transparent 34%),
        radial-gradient(circle at 86% 22%, rgba(124,58,237,.27), transparent 32%),
        rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow), 0 0 70px rgba(46,235,255,.08);
      overflow:hidden;
      backdrop-filter:blur(20px);
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        linear-gradient(90deg, transparent, rgba(46,235,255,.12), transparent),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 86px);
      opacity:.72;
      pointer-events:none;
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      width:310px;
      height:310px;
      right:7%;
      top:8%;
      border:1px solid rgba(46,235,255,.18);
      border-radius:50%;
      box-shadow:inset 0 0 46px rgba(46,235,255,.08), 0 0 60px rgba(124,58,237,.12);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
    }
    .hero-grid{
      align-items:stretch;
    }
    .hero-copy{
      padding:18px 4px 12px;
      max-width:700px;
    }
    .hero-copy .lead{
      max-width:690px;
      margin-bottom:28px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin:26px 0 0;
    }
    .hero-micro{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:30px;
      max-width:720px;
    }
    .micro-stat{
      padding:15px;
      border-radius:18px;
      background:rgba(7,17,31,.48);
      border:1px solid rgba(255,255,255,.12);
    }
    .micro-stat strong{
      display:block;
      color:#fff;
      font-size:22px;
      line-height:1.1;
      letter-spacing:-.03em;
      margin-bottom:4px;
    }
    .micro-stat span{
      color:var(--text-muted);
      font-size:13px;
      font-weight:700;
    }

    .slot-panel{
      min-height:100%;
      padding:22px;
      border-radius:28px;
      background:rgba(7,17,31,.58);
      border:1px solid rgba(46,235,255,.2);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--glow);
      position:relative;
      overflow:hidden;
    }
    .slot-panel::after{
      content:"";
      position:absolute;
      width:160px;
      height:160px;
      right:-44px;
      bottom:-52px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,77,109,.22), transparent 66%);
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .avatar-line{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .avatar{
      width:46px;
      height:46px;
      border-radius:18px;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      display:grid;
      place-items:center;
      box-shadow:0 0 24px rgba(46,235,255,.22);
    }
    .avatar svg{width:22px;height:22px;fill:#fff}
    .panel-title{
      color:#fff;
      font-weight:850;
      line-height:1.25;
      margin:0;
    }
    .panel-sub{
      display:block;
      color:var(--text-muted);
      font-size:12px;
      font-weight:700;
    }
    .quality-tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,77,109,.12);
      border:1px solid rgba(255,77,109,.28);
      color:#ffd8df;
      font-size:12px;
      font-weight:850;
    }
    .time-board{
      display:grid;
      gap:11px;
      margin:18px 0;
    }
    .time-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
    }
    .time-row.active{
      background:linear-gradient(90deg, rgba(46,235,255,.14), rgba(124,58,237,.12));
      border-color:rgba(46,235,255,.34);
      box-shadow:0 0 22px rgba(46,235,255,.08);
    }
    .time-row b{
      color:#fff;
      font-size:14px;
    }
    .time-row span{
      color:var(--text-muted);
      font-size:12px;
      font-weight:750;
    }
    .progress-shell{
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.1);
    }
    .progress-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:10px;
      color:#dffbff;
      font-size:13px;
      font-weight:850;
    }
    .glow-progress{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      overflow:hidden;
    }
    .glow-progress span{
      display:block;
      width:76%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--blue),var(--violet));
      box-shadow:0 0 18px rgba(46,235,255,.42);
    }

    .directory-wrap{
      display:grid;
      grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);
      gap:22px;
      align-items:stretch;
    }
    .directory-cover{
      padding:26px;
      border-radius:28px;
      min-height:340px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 24% 20%, rgba(46,235,255,.18), transparent 34%),
        linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow);
    }
    .cover-icon{
      width:76px;
      height:76px;
      border-radius:26px;
      display:grid;
      place-items:center;
      background:rgba(46,235,255,.11);
      border:1px solid rgba(46,235,255,.25);
      box-shadow:var(--glow);
    }
    .cover-icon svg{width:36px;height:36px;stroke:var(--cyan)}
    .directory-cover h3{
      font-size:28px;
      margin-bottom:8px;
    }
    .tree-list{
      padding:20px;
      display:grid;
      gap:12px;
    }
    .tree-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .tree-item:hover{
      transform:translateX(4px);
      border-color:rgba(46,235,255,.32);
      background:rgba(46,235,255,.075);
    }
    .tree-dot{
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px rgba(46,235,255,.72);
    }
    .tree-item b{
      display:block;
      color:#fff;
      line-height:1.25;
      margin-bottom:3px;
    }
    .tree-item small{
      color:var(--text-muted);
      font-weight:700;
    }
    .tree-num{
      color:#cffaff;
      font-size:13px;
      font-weight:900;
      padding:4px 9px;
      border-radius:999px;
      background:rgba(46,235,255,.1);
    }

    .value-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-panel{
      padding:28px;
      min-height:100%;
    }
    .feature-panel.large{
      border-radius:30px;
      background:
        radial-gradient(circle at 10% 10%, rgba(46,235,255,.16), transparent 36%),
        rgba(255,255,255,.07);
    }
    .feature-list{
      display:grid;
      gap:13px;
      margin-top:22px;
    }
    .feature-line{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:15px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(0,0,0,.16);
    }
    .line-icon{
      width:34px;
      height:34px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:12px;
      color:#fff;
      background:linear-gradient(135deg,rgba(46,235,255,.28),rgba(124,58,237,.22));
      border:1px solid rgba(46,235,255,.18);
    }
    .feature-line b{
      display:block;
      color:#fff;
      line-height:1.25;
      margin-bottom:3px;
    }
    .feature-line span{
      color:var(--text-muted);
      font-size:13px;
      font-weight:650;
    }
    .spotlight-card{
      padding:24px;
      border-radius:24px;
      min-height:100%;
      background:rgba(7,17,31,.52);
      border:1px solid rgba(46,235,255,.18);
    }
    .spotlight-card .big-number{
      font-size:54px;
      line-height:1;
      font-weight:900;
      color:#fff;
      letter-spacing:-.06em;
      margin:12px 0 8px;
      text-shadow:0 0 32px rgba(46,235,255,.25);
    }
    .pill-list{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:20px;
    }
    .pill{
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      color:#dcecff;
      font-size:13px;
      font-weight:750;
    }

    .progress-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
    }
    .task-card{
      padding:28px;
    }
    .task-steps{
      display:grid;
      gap:14px;
      margin-top:22px;
      counter-reset:step;
    }
    .task-step{
      counter-increment:step;
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
    }
    .task-step::before{
      content:counter(step);
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#07111f;
      font-weight:950;
      background:linear-gradient(135deg,var(--cyan),#a7f8ff);
      box-shadow:0 0 20px rgba(46,235,255,.24);
    }
    .task-step b{
      display:block;
      color:#fff;
      line-height:1.28;
    }
    .task-step span{
      display:block;
      margin-top:3px;
      color:var(--text-muted);
      font-size:13px;
      font-weight:650;
    }
    .unlock-card{
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:100%;
      background:
        radial-gradient(circle at 80% 16%, rgba(255,77,109,.18), transparent 32%),
        rgba(255,255,255,.07);
    }
    .ring{
      width:154px;
      height:154px;
      margin:10px auto 18px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:
        conic-gradient(var(--cyan) 0 280deg, rgba(255,255,255,.12) 280deg 360deg);
      box-shadow:0 0 36px rgba(46,235,255,.18);
      position:relative;
    }
    .ring::before{
      content:"";
      position:absolute;
      inset:13px;
      border-radius:50%;
      background:#0a1730;
      border:1px solid rgba(255,255,255,.1);
    }
    .ring strong{
      position:relative;
      z-index:1;
      color:#fff;
      font-size:32px;
      letter-spacing:-.04em;
    }

    .metric-row{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .metric-card{
      padding:22px;
      min-height:166px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 46px rgba(0,0,0,.2);
    }
    .metric-card strong{
      display:block;
      color:#fff;
      font-size:34px;
      line-height:1.1;
      letter-spacing:-.05em;
      margin-bottom:10px;
    }
    .metric-card b{
      display:block;
      color:#dffbff;
      margin-bottom:5px;
    }
    .metric-card span{
      color:var(--text-muted);
      font-size:13px;
      font-weight:650;
    }
    .mini-bar{
      height:7px;
      margin-top:18px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      overflow:hidden;
    }
    .mini-bar i{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
      box-shadow:0 0 18px rgba(46,235,255,.3);
    }

    .updates-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
      gap:22px;
      align-items:start;
    }
    .updates-list{
      display:grid;
      gap:14px;
    }
    .post-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .post-card:hover{
      transform:translateY(-4px);
      border-color:rgba(46,235,255,.38);
      background:rgba(46,235,255,.075);
      box-shadow:var(--glow);
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:9px;
      color:var(--text-muted);
      font-size:12px;
      font-weight:800;
    }
    .post-cat{
      color:#dffbff;
      padding:2px 8px;
      border-radius:999px;
      background:rgba(46,235,255,.1);
      border:1px solid rgba(46,235,255,.2);
    }
    .post-card h3{
      font-size:20px;
      margin-bottom:7px;
      transition:color var(--ease);
    }
    .post-card:hover h3{color:var(--cyan)}
    .post-card p{
      font-size:14px;
      color:#aebdd6;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-arrow{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      align-self:center;
      color:#fff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
      transition:transform var(--ease),background var(--ease),border-color var(--ease);
    }
    .post-card:hover .post-arrow{
      transform:translateX(4px);
      background:rgba(46,235,255,.14);
      border-color:rgba(46,235,255,.34);
    }
    .empty-card{
      padding:28px;
      border-radius:24px;
      text-align:center;
      background:rgba(255,255,255,.065);
      border:1px dashed rgba(46,235,255,.32);
      color:#d7e7ff;
      font-weight:800;
    }
    .updates-aside{
      padding:24px;
      position:sticky;
      top:96px;
    }
    .aside-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .aside-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.1);
    }
    .aside-item em{
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#07111f;
      font-style:normal;
      font-weight:950;
      background:linear-gradient(135deg,var(--cyan),#b8fbff);
    }
    .aside-item b{
      display:block;
      color:#fff;
      line-height:1.25;
      margin-bottom:2px;
    }
    .aside-item span{
      color:var(--text-muted);
      font-size:12px;
      font-weight:700;
    }

    .reviews-wrap{
      display:grid;
      grid-template-columns:330px 1fr;
      gap:22px;
      align-items:stretch;
    }
    .score-card{
      padding:28px;
      text-align:center;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .score{
      color:#fff;
      font-size:64px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.07em;
      margin-bottom:8px;
      text-shadow:0 0 30px rgba(46,235,255,.24);
    }
    .stars{
      color:var(--yellow);
      font-size:20px;
      letter-spacing:.12em;
      margin-bottom:12px;
    }
    .review-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .review-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
    }
    .review-top{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:12px;
    }
    .review-avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--blue),var(--violet));
      box-shadow:0 0 20px rgba(124,58,237,.24);
    }
    .review-top b{
      display:block;
      color:#fff;
      line-height:1.2;
    }
    .review-top span{
      color:var(--text-muted);
      font-size:12px;
      font-weight:750;
    }
    .review-card p{
      font-size:14px;
      color:#c0cee5;
    }

    .faq-wrap{
      max-width:900px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border-radius:20px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(16px);
      transition:border-color var(--ease),box-shadow var(--ease);
    }
    .accordion-item.is-active{
      border-color:rgba(46,235,255,.38);
      box-shadow:var(--glow);
    }
    .accordion-title{
      position:relative;
      display:block;
      padding:18px 54px 18px 20px;
      border:0;
      color:#fff;
      font-size:16px;
      font-weight:850;
      line-height:1.45;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:var(--cyan);
      background:rgba(46,235,255,.055);
    }
    .accordion-title::before{
      right:22px;
      margin-top:-13px;
      color:var(--cyan);
      font-size:24px;
      font-weight:400;
    }
    .accordion-content{
      border:0;
      background:rgba(0,0,0,.12);
      color:var(--text-soft);
      padding:0 20px 20px;
      font-size:15px;
      line-height:1.8;
    }

    .download-panel{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      align-items:center;
      padding:30px;
      border-radius:32px;
      background:
        radial-gradient(circle at 12% 20%, rgba(46,235,255,.16), transparent 34%),
        radial-gradient(circle at 88% 64%, rgba(124,58,237,.2), transparent 34),
        rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow), var(--glow);
      overflow:hidden;
    }
    .download-panel h2{margin-bottom:12px}
    .form-card{
      padding:22px;
      border-radius:24px;
      background:rgba(7,17,31,.6);
      border:1px solid rgba(255,255,255,.13);
    }
    .form-row{display:grid;gap:12px}
    .input{
      width:100%;
      min-height:48px;
      padding:0 15px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      color:#fff;
      outline:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .input::placeholder{color:#7f91af}
    .input:focus{
      border-color:rgba(46,235,255,.62);
      box-shadow:0 0 0 4px rgba(46,235,255,.11);
      background:rgba(46,235,255,.07);
    }
    .form-note{
      margin-top:12px;
      color:var(--text-muted);
      font-size:12px;
      line-height:1.65;
    }

    .site-footer{
      padding:54px 0 34px;
      border-top:1px solid rgba(255,255,255,.1);
      background:rgba(4,10,20,.58);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:13px;
      align-items:center;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:40px;height:40px;border-radius:15px}
    .footer-name{
      color:#fff;
      font-weight:900;
      letter-spacing:-.03em;
      line-height:1.25;
    }
    .footer-desc{
      max-width:620px;
      color:#94a6c4;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      min-height:36px;
      padding:6px 12px;
      border-radius:999px;
      color:#b8c7df;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      font-size:13px;
      font-weight:750;
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(46,235,255,.32);
      background:rgba(46,235,255,.08);
    }
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#7184a3;
      font-size:13px;
    }

    .mobile-tabs{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:calc(10px + env(safe-area-inset-bottom));
      z-index:60;
      height:62px;
      border-radius:22px;
      background:rgba(7,17,31,.82);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(20px);
      box-shadow:0 18px 50px rgba(0,0,0,.38);
      overflow:hidden;
    }
    .mobile-tabs a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      color:#9dafca;
      font-size:12px;
      font-weight:850;
    }
    .mobile-tabs a.active{
      color:var(--cyan);
      background:rgba(46,235,255,.08);
    }
    .mobile-tabs svg{
      width:20px;
      height:20px;
      stroke:currentColor;
      fill:none;
      stroke-width:2;
      stroke-linecap:round;
      stroke-linejoin:round;
    }

    @media (max-width:1024px){
      .site-shell{width:min(calc(100% - 28px), var(--container))}
      .section{padding:74px 0}
      .hero-stage{padding:26px}
      .directory-wrap,.value-layout,.progress-grid,.updates-layout,.reviews-wrap,.download-panel{grid-template-columns:1fr}
      .updates-aside{position:relative;top:auto}
      .metric-row{grid-template-columns:repeat(2, minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:760px){
      body{padding-bottom:86px}
      .site-header{height:66px}
      .nav-wrap{height:66px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-title{max-width:220px;font-size:13px}
      .brand-sub{display:none}
      .desktop-nav .nav-link:not(.active){display:none}
      .nav-cta{display:none}
      .mobile-tabs{display:grid;grid-template-columns:1fr 1fr 1fr 1fr}
      .hero{padding:34px 0 58px}
      .hero-stage{padding:20px;border-radius:26px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .hero-micro{grid-template-columns:1fr}
      .slot-panel{margin-top:18px}
      .directory-cover{min-height:280px}
      .post-card{grid-template-columns:1fr}
      .post-arrow{justify-self:start}
      .review-grid,.metric-row{grid-template-columns:1fr}
      .download-panel{padding:22px;border-radius:26px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .site-shell{width:min(calc(100% - 22px), var(--container))}
      .section{padding:60px 0}
      h1{font-size:32px}
      h2{font-size:25px}
      .lead{font-size:16px}
      .hero-stage{padding:17px}
      .tree-item{grid-template-columns:auto 1fr}
      .tree-num{grid-column:2}
      .time-row{align-items:flex-start;flex-direction:column}
      .micro-stat strong{font-size:20px}
      .score{font-size:52px}
    }

/* roulang page: article */
:root{
      --bg:#07111f;
      --bg-2:#0b1630;
      --bg-3:#101c3d;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.105);
      --panel-soft:rgba(255,255,255,.048);
      --line:rgba(255,255,255,.14);
      --line-strong:rgba(46,235,255,.42);
      --text:#eef7ff;
      --text-soft:#b9c7df;
      --text-muted:#7f91af;
      --cyan:#2eebff;
      --blue:#3b82f6;
      --violet:#7c3aed;
      --pink:#ff4d6d;
      --green:#35f2a5;
      --yellow:#ffd166;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --glow:0 0 34px rgba(46,235,255,.22);
      --glow-strong:0 0 48px rgba(46,235,255,.34);
      --container:1220px;
      --header-h:76px;
      --ease:220ms ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 6%, rgba(46,235,255,.18), transparent 30%),
        radial-gradient(circle at 85% 16%, rgba(124,58,237,.24), transparent 34%),
        radial-gradient(circle at 50% 78%, rgba(59,130,246,.14), transparent 38%),
        linear-gradient(135deg,#06101e 0%,#09162e 48%,#07111f 100%);
      overflow-x:hidden;
      padding-bottom:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.92), transparent 84%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      width:520px;
      height:520px;
      right:-220px;
      bottom:10%;
      border-radius:50%;
      background:radial-gradient(circle, rgba(46,235,255,.16), transparent 66%);
      filter:blur(10px);
      pointer-events:none;
      z-index:-1;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease),opacity var(--ease);
    }
    a:hover,a:focus{color:var(--cyan)}
    a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible{
      outline:3px solid rgba(46,235,255,.42);
      outline-offset:3px;
      border-radius:14px;
    }
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,h5,h6,p{margin-top:0}
    .site-shell{
      width:min(calc(100% - 36px),var(--container));
      margin:0 auto;
    }
    .section{
      position:relative;
      padding:92px 0;
    }
    .section.compact{padding:70px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:32px;
      padding:5px 12px;
      border:1px solid rgba(46,235,255,.24);
      border-radius:999px;
      background:rgba(46,235,255,.08);
      color:#c9fbff;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:16px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px var(--cyan);
    }
    .lead{
      font-size:18px;
      color:#d9e8ff;
      max-width:840px;
    }
    .muted{color:var(--text-muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(7,17,31,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.1);
      box-shadow:0 10px 36px rgba(0,0,0,.22);
    }
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#fff;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:16px;
      background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,.38), transparent 28%),
        linear-gradient(135deg,var(--cyan),var(--blue) 52%,var(--violet));
      box-shadow:0 0 28px rgba(46,235,255,.26);
      position:relative;
      display:grid;
      place-items:center;
    }
    .brand-mark::before{
      content:"";
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
      transform:translateX(2px);
      filter:drop-shadow(0 0 8px rgba(255,255,255,.55));
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.18;
      min-width:0;
    }
    .brand-title{
      font-size:15px;
      max-width:320px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .brand-sub{
      font-size:12px;
      color:var(--text-muted);
      font-weight:650;
      letter-spacing:.05em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:#c8d6ef;
      font-size:14px;
      font-weight:750;
      border:1px solid transparent;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.075);
      border-color:rgba(46,235,255,.28);
      box-shadow:0 0 22px rgba(46,235,255,.08);
    }
    .nav-cta{
      margin-left:8px;
      min-height:42px;
      padding:0 17px;
      font-size:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 21px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      color:#fff;
      line-height:1;
      white-space:nowrap;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn:hover{
      transform:translateY(-2px);
      color:#fff;
    }
    .btn:active{transform:translateY(0) scale(.99)}
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),var(--blue) 55%,var(--violet));
      box-shadow:0 14px 34px rgba(46,235,255,.23), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-primary:hover{box-shadow:0 20px 48px rgba(46,235,255,.36), inset 0 1px 0 rgba(255,255,255,.32)}
    .btn-ghost{
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.16);
      color:#d9e8ff;
      backdrop-filter:blur(12px);
    }
    .btn-ghost:hover{
      border-color:rgba(46,235,255,.45);
      box-shadow:0 0 30px rgba(46,235,255,.13);
      background:rgba(46,235,255,.08);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.065);
      color:#dbeafe;
      font-size:13px;
      font-weight:750;
      line-height:1.2;
    }
    .badge.cyan{
      color:#c8fbff;
      border-color:rgba(46,235,255,.34);
      background:rgba(46,235,255,.09);
    }
    .badge.pink{
      color:#ffdbe3;
      border-color:rgba(255,77,109,.36);
      background:rgba(255,77,109,.1);
    }
    .glass-card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(46,235,255,.28);
      background:var(--panel-strong);
      box-shadow:var(--shadow),var(--glow);
    }
    .article-hero{
      position:relative;
      padding:58px 0 44px;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      width:760px;
      height:760px;
      left:50%;
      top:-430px;
      transform:translateX(-50%);
      border-radius:50%;
      background:radial-gradient(circle, rgba(46,235,255,.18), rgba(59,130,246,.11) 38%, transparent 68%);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin:0 0 24px;
      color:var(--text-muted);
      font-size:13px;
      font-weight:700;
    }
    .breadcrumb a{
      color:#b8c6de;
      border-bottom:1px solid transparent;
    }
    .breadcrumb a:hover{
      color:var(--cyan);
      border-color:rgba(46,235,255,.45);
    }
    .breadcrumb span:last-child{
      max-width:620px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      color:#dceaff;
    }
    .article-title-wrap{
      position:relative;
      z-index:1;
    }
    .article-labels{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .article-title{
      max-width:880px;
      margin:0;
      font-size:clamp(32px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:950;
      color:#fff;
      text-shadow:0 0 32px rgba(46,235,255,.12);
    }
    .article-desc{
      max-width:860px;
      margin:18px 0 0;
      color:#d7e6fb;
      font-size:17px;
      line-height:1.85;
    }
    .article-meta-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      color:#c8d6ef;
      font-size:13px;
      font-weight:750;
    }
    .meta-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px rgba(46,235,255,.78);
    }
    .release-panel{
      height:100%;
      min-height:310px;
      padding:24px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055)),
        radial-gradient(circle at 18% 16%, rgba(46,235,255,.2), transparent 38%),
        radial-gradient(circle at 85% 86%, rgba(124,58,237,.22), transparent 42%);
      border:1px solid rgba(255,255,255,.15);
      box-shadow:var(--shadow), var(--glow);
      backdrop-filter:blur(20px);
      position:relative;
      overflow:hidden;
    }
    .release-panel::after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.07);
      pointer-events:none;
    }
    .ring-box{
      display:flex;
      gap:20px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .count-ring{
      width:118px;
      height:118px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:
        conic-gradient(from 10deg, var(--cyan) 0 74%, rgba(255,255,255,.1) 74% 100%),
        radial-gradient(circle, rgba(7,17,31,.95) 0 58%, transparent 59%);
      box-shadow:0 0 34px rgba(46,235,255,.22);
      position:relative;
    }
    .count-ring::before{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:50%;
      background:rgba(7,17,31,.88);
      border:1px solid rgba(255,255,255,.12);
    }
    .count-ring strong,.count-ring span{
      position:relative;
      z-index:1;
      display:block;
      text-align:center;
    }
    .count-ring strong{
      font-size:30px;
      line-height:1;
      font-weight:950;
      color:#fff;
    }
    .count-ring span{
      margin-top:4px;
      color:#9db0cf;
      font-size:12px;
      font-weight:800;
    }
    .release-copy h2{
      margin:0 0 8px;
      font-size:22px;
      line-height:1.25;
      font-weight:900;
      color:#fff;
    }
    .release-copy p{
      margin:0;
      color:#c4d4ed;
      font-size:14px;
      line-height:1.7;
    }
    .feature-dots{
      display:grid;
      gap:12px;
      margin:24px 0 0;
      position:relative;
      z-index:1;
    }
    .feature-dot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:13px 14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:16px;
    }
    .feature-dot span{
      color:#dceaff;
      font-size:14px;
      font-weight:750;
    }
    .feature-dot i{
      width:38px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
      box-shadow:0 0 18px rgba(46,235,255,.24);
    }
    .release-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
      position:relative;
      z-index:1;
    }
    .article-cover{
      margin-top:38px;
      border-radius:32px;
      min-height:330px;
      overflow:hidden;
      position:relative;
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(120deg, rgba(46,235,255,.13), rgba(124,58,237,.2)),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      box-shadow:var(--shadow), var(--glow);
    }
    .article-cover::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
      background-size:54px 54px;
      opacity:.32;
    }
    .article-cover::after{
      content:"";
      position:absolute;
      width:170px;
      height:170px;
      right:9%;
      top:50%;
      transform:translateY(-50%);
      border-radius:50%;
      background:radial-gradient(circle, rgba(46,235,255,.15), transparent 68%);
      border:1px solid rgba(46,235,255,.22);
      box-shadow:inset 0 0 38px rgba(46,235,255,.11), 0 0 48px rgba(46,235,255,.14);
    }
    .cover-inner{
      position:relative;
      z-index:1;
      min-height:330px;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      padding:34px;
    }
    .cover-play{
      width:86px;
      height:86px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--pink),var(--violet));
      box-shadow:0 0 42px rgba(255,77,109,.32);
    }
    .cover-play::before{
      content:"";
      width:0;
      height:0;
      border-top:13px solid transparent;
      border-bottom:13px solid transparent;
      border-left:20px solid #fff;
      margin-left:5px;
    }
    .pull-quote{
      max-width:700px;
      margin:0;
      padding:20px 22px;
      border-left:4px solid var(--cyan);
      border-radius:0 20px 20px 0;
      background:rgba(7,17,31,.52);
      color:#effaff;
      font-size:20px;
      line-height:1.65;
      font-weight:850;
      box-shadow:0 0 28px rgba(46,235,255,.1);
      backdrop-filter:blur(14px);
    }
    .article-layout{
      padding:56px 0 28px;
    }
    .toc-card{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 50px rgba(0,0,0,.22);
    }
    .toc-card h2{
      margin:0 0 14px;
      font-size:16px;
      font-weight:900;
      color:#fff;
    }
    .toc-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .toc-list a{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:38px;
      padding:8px 10px;
      border-radius:12px;
      color:#b9c7df;
      font-size:14px;
      font-weight:750;
      border:1px solid transparent;
    }
    .toc-list a::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:rgba(46,235,255,.7);
      box-shadow:0 0 10px rgba(46,235,255,.5);
      flex:0 0 auto;
    }
    .toc-list a:hover{
      color:#fff;
      background:rgba(46,235,255,.08);
      border-color:rgba(46,235,255,.22);
      transform:translateX(3px);
    }
    .read-tip{
      margin-top:16px;
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.045);
      color:#aebdd7;
      font-size:13px;
      line-height:1.65;
    }
    .article-card{
      padding:34px;
      border-radius:30px;
      background:rgba(255,255,255,.072);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .article-content{
      max-width:850px;
      margin:0 auto;
      color:#dce8f8;
      font-size:16px;
      line-height:1.86;
      word-break:break-word;
    }
    .article-content h2{
      position:relative;
      margin:42px 0 18px;
      padding-left:18px;
      color:#fff;
      font-size:28px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .article-content h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.22em;
      width:5px;
      height:1.05em;
      border-radius:999px;
      background:linear-gradient(to bottom,var(--cyan),var(--violet));
      box-shadow:0 0 18px rgba(46,235,255,.36);
    }
    .article-content h3{
      margin:34px 0 14px;
      color:#f3f9ff;
      font-size:22px;
      line-height:1.4;
      font-weight:900;
    }
    .article-content h4{
      margin:28px 0 12px;
      color:#eaf6ff;
      font-size:18px;
      font-weight:850;
    }
    .article-content p{
      margin:0 0 18px;
      color:#d7e5f6;
    }
    .article-content a{
      color:#98f7ff;
      border-bottom:1px solid rgba(46,235,255,.36);
      font-weight:750;
    }
    .article-content a:hover{
      color:#fff;
      border-color:rgba(255,255,255,.62);
    }
    .article-content ul,.article-content ol{
      margin:0 0 22px;
      padding-left:1.35em;
    }
    .article-content li{
      margin:8px 0;
      padding-left:4px;
    }
    .article-content li::marker{color:var(--cyan)}
    .article-content blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:4px solid var(--cyan);
      border-radius:0 18px 18px 0;
      background:rgba(46,235,255,.075);
      color:#edfaff;
      box-shadow:inset 0 0 24px rgba(46,235,255,.06);
    }
    .article-content blockquote p:last-child{margin-bottom:0}
    .article-content img{
      margin:28px auto;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 46px rgba(0,0,0,.28);
    }
    .article-content figure{
      margin:30px 0;
    }
    .article-content figcaption{
      margin-top:10px;
      text-align:center;
      color:#91a3c0;
      font-size:13px;
    }
    .article-content table{
      width:100%;
      min-width:640px;
      border-collapse:separate;
      border-spacing:0;
      margin:26px 0;
      overflow:hidden;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.12);
    }
    .article-content th,.article-content td{
      padding:14px 16px;
      border-bottom:1px solid rgba(255,255,255,.1);
      color:#dce8f8;
      text-align:left;
      vertical-align:top;
    }
    .article-content th{
      background:rgba(46,235,255,.08);
      color:#fff;
      font-weight:900;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content .table-wrap{
      width:100%;
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
    }
    .article-content code{
      padding:2px 7px;
      border-radius:8px;
      background:rgba(0,0,0,.28);
      border:1px solid rgba(255,255,255,.1);
      color:#bffaff;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
      font-size:.92em;
    }
    .article-content pre{
      overflow:auto;
      padding:18px;
      border-radius:18px;
      background:rgba(2,8,18,.78);
      border:1px solid rgba(255,255,255,.12);
      color:#dff8ff;
      box-shadow:inset 0 0 24px rgba(0,0,0,.2);
    }
    .article-content pre code{
      padding:0;
      border:0;
      background:transparent;
    }
    .article-content hr{
      height:1px;
      border:0;
      margin:34px 0;
      background:linear-gradient(90deg,transparent,rgba(46,235,255,.36),transparent);
    }
    .notfound{
      min-height:260px;
      display:grid;
      place-items:center;
      text-align:center;
      gap:18px;
    }
    .notfound h2{
      margin:0;
      padding:0;
      font-size:30px;
    }
    .notfound h2::before{display:none}
    .article-bottom-actions{
      max-width:850px;
      margin:34px auto 0;
      padding-top:26px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:14px;
    }
    .share-note{
      color:#9fb0cc;
      font-size:14px;
      font-weight:700;
    }
    .updates-section{
      padding:66px 0 34px;
    }
    .updates-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .updates-head h2{
      margin:0;
      color:#fff;
      font-size:30px;
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .updates-head p{
      max-width:560px;
      margin:8px 0 0;
      color:#b9c7df;
      line-height:1.7;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .recommend-card{
      padding:20px;
      border-radius:22px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 54px rgba(0,0,0,.22);
      backdrop-filter:blur(16px);
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .recommend-card:hover{
      transform:translateY(-5px);
      border-color:rgba(46,235,255,.34);
      background:rgba(255,255,255,.09);
      box-shadow:var(--shadow), var(--glow);
    }
    .recommend-card h3{
      margin:14px 0 10px;
      color:#fff;
      font-size:19px;
      line-height:1.38;
      font-weight:900;
      transition:color var(--ease);
    }
    .recommend-card:hover h3{color:var(--cyan)}
    .recommend-card p{
      margin:0;
      color:#b8c7dd;
      font-size:14px;
      line-height:1.7;
    }
    .recommend-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:auto;
      padding-top:20px;
      color:#8fa1bd;
      font-size:13px;
      font-weight:750;
    }
    .recommend-link{
      color:#c8fbff;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .recommend-link::after{
      content:"→";
      transition:transform var(--ease);
    }
    .recommend-card:hover .recommend-link::after{transform:translateX(4px)}
    .faq-section{
      padding:58px 0 42px;
    }
    .faq-wrap{
      max-width:880px;
      margin:0 auto;
    }
    .faq-wrap h2{
      margin:0 0 22px;
      color:#fff;
      font-size:32px;
      line-height:1.25;
      font-weight:950;
      text-align:center;
      letter-spacing:-.035em;
    }
    .faq-item{
      margin-bottom:12px;
      border-radius:18px;
      background:rgba(255,255,255,.062);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
      backdrop-filter:blur(16px);
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .faq-item[open]{
      border-color:rgba(46,235,255,.32);
      box-shadow:0 0 28px rgba(46,235,255,.1);
      background:rgba(255,255,255,.082);
    }
    .faq-item summary{
      min-height:58px;
      padding:17px 20px;
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#eef7ff;
      font-weight:900;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;
      height:30px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#07111f;
      background:linear-gradient(135deg,var(--cyan),var(--blue));
      font-size:20px;
      line-height:1;
      font-weight:900;
      transition:transform var(--ease);
    }
    .faq-item[open] summary::after{
      content:"–";
      transform:rotate(180deg);
    }
    .faq-body{
      padding:0 20px 20px;
      color:#bccbe1;
      line-height:1.78;
    }
    .faq-body p{margin:0}
    .cta-section{
      padding:46px 0 92px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:42px;
      border-radius:32px;
      background:
        radial-gradient(circle at 12% 10%, rgba(46,235,255,.24), transparent 34%),
        radial-gradient(circle at 92% 92%, rgba(124,58,237,.24), transparent 42%),
        linear-gradient(135deg, rgba(255,255,255,.105), rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow), var(--glow);
      backdrop-filter:blur(20px);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:8%;
      top:50%;
      transform:translateY(-50%);
      border-radius:50%;
      border:1px solid rgba(46,235,255,.2);
      box-shadow:inset 0 0 45px rgba(46,235,255,.12),0 0 54px rgba(46,235,255,.1);
      pointer-events:none;
    }
    .cta-copy{
      position:relative;
      z-index:1;
      max-width:720px;
    }
    .cta-copy h2{
      margin:0 0 10px;
      font-size:34px;
      line-height:1.22;
      font-weight:950;
      letter-spacing:-.04em;
      color:#fff;
    }
    .cta-copy p{
      margin:0;
      color:#c8d8ee;
      font-size:16px;
      line-height:1.75;
    }
    .cta-actions{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-footer{
      padding:52px 0 34px;
      border-top:1px solid rgba(255,255,255,.1);
      background:rgba(4,10,20,.48);
      backdrop-filter:blur(16px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);
      gap:32px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-name{
      font-size:18px;
      font-weight:950;
      color:#fff;
      letter-spacing:-.03em;
    }
    .footer-desc{
      max-width:650px;
      margin:0;
      color:#aebbd2;
      line-height:1.78;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      padding:0 12px;
      border-radius:999px;
      color:#b9c7df;
      font-size:14px;
      font-weight:750;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.035);
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(46,235,255,.32);
      background:rgba(46,235,255,.08);
      transform:translateY(-2px);
    }
    .copyright{
      margin-top:32px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#8495b0;
      font-size:13px;
      font-weight:650;
    }
    .mobile-tab{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:60;
      padding:8px 10px calc(8px + env(safe-area-inset-bottom));
      border-radius:24px;
      background:rgba(7,17,31,.82);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 46px rgba(0,0,0,.42);
    }
    .mobile-tab a{
      min-height:50px;
      border-radius:17px;
      display:flex;
      flex:1;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:3px;
      color:#9fb0ca;
      font-size:12px;
      font-weight:800;
    }
    .mobile-tab a.active,.mobile-tab a:hover{
      color:#c9fbff;
      background:rgba(46,235,255,.09);
      box-shadow:0 0 20px rgba(46,235,255,.12);
    }
    .tab-icon{
      width:20px;
      height:20px;
      display:block;
      position:relative;
    }
    .tab-icon.home::before{
      content:"";
      position:absolute;
      inset:4px 3px 2px;
      border:2px solid currentColor;
      border-top:0;
      border-radius:4px;
    }
    .tab-icon.home::after{
      content:"";
      position:absolute;
      left:4px;
      top:2px;
      width:12px;
      height:12px;
      border-left:2px solid currentColor;
      border-top:2px solid currentColor;
      transform:rotate(45deg);
      border-radius:2px;
    }
    .tab-icon.update::before{
      content:"";
      position:absolute;
      inset:3px;
      border:2px solid currentColor;
      border-radius:50%;
    }
    .tab-icon.update::after{
      content:"";
      position:absolute;
      left:9px;
      top:5px;
      width:2px;
      height:8px;
      background:currentColor;
      box-shadow:4px 5px 0 currentColor;
      transform:rotate(-45deg);
      border-radius:99px;
    }
    @media (max-width:1024px){
      :root{--header-h:70px}
      .section{padding:74px 0}
      .article-hero{padding:42px 0 34px}
      .release-panel{margin-top:26px}
      .toc-card{position:relative;top:auto;margin-bottom:20px}
      .recommend-grid{grid-template-columns:1fr 1fr}
      .cta-panel{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .site-shell{width:min(calc(100% - 28px),var(--container))}
      .desktop-nav .nav-link{display:none}
      .nav-cta{padding:0 14px;margin-left:0}
      .brand-title{max-width:210px}
      .article-title{font-size:34px}
      .article-desc{font-size:15.5px}
      .cover-inner{
        min-height:300px;
        flex-direction:column;
        align-items:flex-start;
        justify-content:flex-end;
        padding:24px;
      }
      .pull-quote{font-size:17px}
      .article-card{padding:22px}
      .article-content{font-size:15.5px;line-height:1.82}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .recommend-grid{grid-template-columns:1fr}
      .updates-head{align-items:flex-start;flex-direction:column}
      .cta-panel{padding:28px}
      .cta-copy h2{font-size:28px}
      .mobile-tab{display:flex;gap:6px}
      .site-footer{padding-bottom:110px}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .site-shell{width:min(calc(100% - 22px),var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-title{max-width:170px;font-size:13px}
      .brand-sub{font-size:11px}
      .nav-cta{min-height:38px;font-size:13px;padding:0 12px}
      .article-hero{padding-top:32px}
      .breadcrumb span:last-child{max-width:260px}
      .article-labels{gap:8px}
      .meta-chip{width:100%;justify-content:flex-start}
      .ring-box{align-items:flex-start;flex-direction:column}
      .count-ring{width:104px;height:104px}
      .release-actions .btn,.cta-actions .btn,.article-bottom-actions .btn{width:100%}
      .cover-play{width:72px;height:72px}
      .article-cover,.cover-inner{min-height:270px}
      .article-card{border-radius:24px;padding:18px}
      .toc-card{padding:16px}
      .faq-wrap h2,.updates-head h2{font-size:26px}
      .footer-links a{flex:1;justify-content:center}
    }