/* roulang page: index */
:root{
      --bg0:#050B14;
      --bg1:#07111F;
      --bg2:#0B1526;
      --card:rgba(15, 23, 42, 0.72);
      --card2:rgba(8, 18, 35, 0.84);
      --line:rgba(125, 211, 252, 0.16);
      --line2:rgba(24, 214, 255, 0.35);
      --text:#E8F1FF;
      --muted:#91A4BF;
      --cyan:#18D6FF;
      --orange:#FFB020;
      --violet:#7C3AED;
      --green:#22C55E;
      --shadow:0 24px 80px rgba(0,0,0,.35);
      --r-xl:28px;
      --r-lg:22px;
      --r-md:16px;
    }
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:
        radial-gradient(circle at 20% 10%, rgba(24,214,255,.12), transparent 24%),
        radial-gradient(circle at 80% 0%, rgba(124,58,237,.12), transparent 20%),
        radial-gradient(circle at 70% 30%, rgba(255,176,32,.08), transparent 18%),
        linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 48%, var(--bg2) 100%);
      color:var(--text);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, sans-serif;
      line-height:1.75;
      overflow-x:hidden;
    }
    *{box-sizing:border-box}
    ::selection{background:rgba(24,214,255,.25)}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .shell-grid{
      display:grid;
      grid-template-columns: 250px minmax(0,1fr);
      min-height:100vh;
    }
    .side{
      position:sticky;
      top:0;
      height:100vh;
      padding:18px 14px;
      border-right:1px solid rgba(125,211,252,.12);
      background:linear-gradient(180deg, rgba(4,10,20,.94), rgba(5,11,20,.78));
      backdrop-filter: blur(18px);
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 12px;
      border:1px solid rgba(125,211,252,.12);
      border-radius:20px;
      background:linear-gradient(180deg, rgba(24,214,255,.08), rgba(124,58,237,.04));
      box-shadow:var(--shadow);
    }
    .brand-icon{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(24,214,255,.22), rgba(124,58,237,.18));
      border:1px solid rgba(24,214,255,.25);
      position:relative;
    }
    .brand-icon:before,.brand-icon:after{
      content:"";position:absolute;border-radius:999px;border:1px solid rgba(24,214,255,.28);
    }
    .brand-icon:before{width:24px;height:24px}
    .brand-icon:after{width:10px;height:10px;background:var(--orange);box-shadow:0 0 16px rgba(255,176,32,.75)}
    .nav-link{
      display:flex;align-items:center;gap:12px;
      padding:13px 14px;
      border-radius:16px;
      color:#C7D8F1;
      border:1px solid transparent;
      transition:.22s ease;
      position:relative;
    }
    .nav-link:hover{
      background:rgba(24,214,255,.08);
      border-color:rgba(24,214,255,.18);
      transform:translateY(-1px);
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(24,214,255,.16), rgba(124,58,237,.12));
      border-color:rgba(24,214,255,.26);
      color:white;
      box-shadow:0 14px 40px rgba(24,214,255,.08);
    }
    .nav-link.active:before{
      content:"";
      position:absolute;left:-14px;top:50%;transform:translateY(-50%);
      width:4px;height:24px;border-radius:999px;background:var(--cyan);
      box-shadow:0 0 18px rgba(24,214,255,.7);
    }
    .nav-dot{width:10px;height:10px;border-radius:999px;background:rgba(145,164,191,.7)}
    .nav-link.active .nav-dot{background:var(--cyan);box-shadow:0 0 14px rgba(24,214,255,.8)}
    .subtle-panel{
      border:1px solid rgba(125,211,252,.12);
      background:linear-gradient(180deg, rgba(15,23,42,.72), rgba(8,18,35,.84));
      backdrop-filter: blur(18px);
      border-radius:var(--r-xl);
      box-shadow:var(--shadow);
    }
    .glass{
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(15,23,42,.72), rgba(8,18,35,.82));
      backdrop-filter: blur(18px);
      box-shadow:var(--shadow);
      border-radius:var(--r-xl);
    }
    .hero-bg{
      background:
        linear-gradient(90deg, rgba(5,11,20,.82), rgba(5,11,20,.52)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .section{padding:28px 0}
    .section-title{
      font-size:clamp(1.5rem, 2.6vw, 2.2rem);
      line-height:1.15;
      font-weight:800;
      letter-spacing:0;
    }
    .section-kicker{
      color:var(--cyan);
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .chip{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(125,211,252,.16);
      background:rgba(7,17,31,.7);
      color:#CFE7FF;
      transition:.2s ease;
    }
    .chip:hover{border-color:rgba(24,214,255,.34);transform:translateY(-1px)}
    .btn-primary,.btn-secondary,.btn-accent{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:46px;padding:0 18px;border-radius:999px;
      border:1px solid transparent;transition:.22s ease;font-weight:700;
      letter-spacing:0;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      color:white;
      box-shadow:0 18px 50px rgba(24,214,255,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 62px rgba(24,214,255,.24)}
    .btn-secondary{
      background:rgba(8,18,35,.55);
      border-color:rgba(24,214,255,.22);
      color:#D9F3FF;
    }
    .btn-secondary:hover{background:rgba(24,214,255,.08);border-color:rgba(24,214,255,.38);transform:translateY(-2px)}
    .btn-accent{
      background:linear-gradient(135deg, rgba(255,176,32,.96), rgba(249,115,22,.92));
      color:#1A1305;
      box-shadow:0 18px 50px rgba(255,176,32,.16);
    }
    .btn-accent:hover{transform:translateY(-2px)}
    .stat-card{
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(125,211,252,.14);
      background:linear-gradient(180deg, rgba(15,23,42,.72), rgba(8,18,35,.82));
      backdrop-filter: blur(18px);
      transition:.22s ease;
      box-shadow:var(--shadow);
    }
    .stat-card:hover{transform:translateY(-3px);border-color:var(--line2)}
    .big-num{
      font-size:clamp(1.5rem, 2.8vw, 2.4rem);
      line-height:1;
      font-weight:900;
      letter-spacing:0;
      background:linear-gradient(135deg, #E8FBFF, #77E8FF 40%, #B79BFF 100%);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .mini-label{color:var(--muted);font-size:.88rem}
    .table-wrap{
      overflow:auto;
      border-radius:24px;
      border:1px solid rgba(125,211,252,.12);
      background:rgba(8,18,35,.78);
    }
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:920px}
    thead th{
      text-align:left;
      padding:16px 16px;
      color:#C9DBF3;
      font-size:.82rem;
      letter-spacing:.02em;
      background:rgba(7,17,31,.9);
      position:sticky;top:0;
    }
    tbody td{
      padding:15px 16px;
      border-top:1px solid rgba(125,211,252,.08);
      color:#E6F0FF;
      vertical-align:middle;
    }
    tbody tr:hover td{background:rgba(24,214,255,.04)}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:700;
      border:1px solid transparent;
    }
    .tag-live{background:rgba(34,197,94,.12);color:#82F0A6;border-color:rgba(34,197,94,.22)}
    .tag-pre{background:rgba(249,115,22,.12);color:#FDBA74;border-color:rgba(249,115,22,.24)}
    .tag-end{background:rgba(148,163,184,.12);color:#CBD5E1;border-color:rgba(148,163,184,.18)}
    .tag-hot{background:rgba(124,58,237,.14);color:#D7C4FF;border-color:rgba(124,58,237,.24)}
    .timeline{
      position:relative;
      padding-left:24px;
    }
    .timeline:before{
      content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:rgba(24,214,255,.22)
    }
    .timeline-item{
      position:relative;
      padding:18px 18px 18px 0;
      margin-bottom:14px;
    }
    .timeline-item:before{
      content:"";position:absolute;left:-20px;top:24px;width:11px;height:11px;border-radius:999px;
      background:var(--cyan);box-shadow:0 0 18px rgba(24,214,255,.7)
    }
    .faq-item{
      border:1px solid rgba(125,211,252,.12);
      background:linear-gradient(180deg, rgba(15,23,42,.68), rgba(8,18,35,.82));
      border-radius:20px;
      overflow:hidden;
    }
    .faq-q{
      width:100%;text-align:left;
      padding:18px 20px;
      font-size:1rem;
      font-weight:700;
      color:#EAF5FF;
      background:transparent;
      border:0;
      cursor:pointer;
    }
    .faq-a{
      max-height:0;overflow:hidden;
      transition:max-height .28s ease;
      color:#B8CAE0;
      padding:0 20px;
    }
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .input{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(125,211,252,.15);
      background:rgba(5,11,20,.58);
      color:#F0F7FF;
      padding:13px 14px;
      outline:none;
      transition:.2s ease;
    }
    .input:focus{
      border-color:rgba(24,214,255,.48);
      box-shadow:0 0 0 4px rgba(24,214,255,.12);
    }
    .footer-link{color:#BFD0E6}
    .footer-link:hover{color:#FFFFFF}
    .progress-bar{
      height:10px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;
    }
    .progress-bar > span{
      display:block;height:100%;border-radius:999px;
      background:linear-gradient(90deg, var(--cyan), var(--violet));
      box-shadow:0 0 18px rgba(24,214,255,.35);
    }
    .mobile-top{
      display:none;
      position:sticky;top:0;z-index:40;
      border-bottom:1px solid rgba(125,211,252,.12);
      background:rgba(5,11,20,.84);
      backdrop-filter:blur(18px);
    }
    .drawer{display:none}
    .hover-lift{transition:.22s ease}
    .hover-lift:hover{transform:translateY(-3px)}
    .grid-dots{
      background-image: linear-gradient(rgba(125,211,252,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(125,211,252,.08) 1px, transparent 1px);
      background-size: 22px 22px;
    }
    @media (max-width: 1023px){
      .shell-grid{grid-template-columns: 84px minmax(0,1fr)}
      .side{padding:14px 10px}
      .side .brand-text, .side .nav-label, .side .side-foot{display:none}
      .side .brand-mark{justify-content:center}
      .side .nav-link{justify-content:center;padding:13px 10px}
      .side .nav-link.active:before{left:-10px}
    }
    @media (max-width: 767px){
      .shell-grid{display:block}
      .side{display:none}
      .mobile-top{display:block}
      .drawer.open{display:block}
      table{min-width:820px}
    }
    @media (max-width: 520px){
      .section{padding:22px 0}
      .btn-primary,.btn-secondary,.btn-accent{width:100%}
    }

/* roulang page: category2 */
:root{
      --bg:#050b14;
      --bg2:#07111f;
      --bg3:#0b1526;
      --card:rgba(10,18,34,.72);
      --card2:rgba(15,23,42,.82);
      --line:rgba(125,211,252,.16);
      --line2:rgba(24,214,255,.34);
      --text:#e5eefc;
      --muted:#8ea3c7;
      --cyan:#18d6ff;
      --orange:#ffb020;
      --purple:#7c3aed;
      --green:#22c55e;
      --red:#ef4444;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --radius:24px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 20% 10%, rgba(24,214,255,.08), transparent 28%),
        radial-gradient(circle at 80% 20%, rgba(124,58,237,.10), transparent 24%),
        linear-gradient(180deg, #050b14 0%, #07101c 50%, #050b14 100%);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, sans-serif;
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 85%);
      opacity:.35;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(24,214,255,.25)}
    .shell{
      min-height:100vh;
      display:grid;
      grid-template-columns:248px minmax(0,1fr);
    }
    .sidebar{
      position:sticky;
      top:0;
      height:100vh;
      padding:20px 14px;
      background:linear-gradient(180deg, rgba(6,12,24,.92), rgba(7,14,28,.82));
      border-right:1px solid rgba(125,211,252,.12);
      backdrop-filter:blur(18px);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg, rgba(24,214,255,.95), rgba(124,58,237,.9));
      box-shadow:0 0 0 1px rgba(255,255,255,.12), 0 18px 30px rgba(24,214,255,.15);
      position:relative;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;inset:10px;border-radius:999px;border:1.5px solid rgba(255,255,255,.8)
    }
    .brand-mark::after{inset:17px;border-width:2px}
    .nav-link{
      display:flex;align-items:center;gap:12px;
      padding:12px 14px;
      border-radius:16px;
      color:#c9d7ee;
      border:1px solid transparent;
      transition:all .2s ease;
      background:transparent;
    }
    .nav-link:hover{
      background:rgba(24,214,255,.07);
      border-color:rgba(24,214,255,.18);
      transform:translateX(2px);
      color:#fff;
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(24,214,255,.15), rgba(124,58,237,.12));
      border-color:rgba(24,214,255,.38);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
      color:#fff;
    }
    .nav-dot{
      width:10px;height:10px;border-radius:999px;background:rgba(148,163,184,.55);
      box-shadow:0 0 0 4px rgba(148,163,184,.08);
      flex:none;
    }
    .nav-link.active .nav-dot{
      background:var(--cyan);
      box-shadow:0 0 0 4px rgba(24,214,255,.14), 0 0 18px rgba(24,214,255,.45);
    }
    .nav-label{font-size:14px;font-weight:700;letter-spacing:0}
    .sidebar-card{
      background:linear-gradient(180deg, rgba(14,23,42,.82), rgba(10,16,30,.84));
      border:1px solid rgba(125,211,252,.12);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .main{
      min-width:0;
      padding:18px 18px 36px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:20;
      margin-bottom:18px;
      padding:12px 16px;
      border:1px solid rgba(125,211,252,.12);
      border-radius:22px;
      background:rgba(7,16,28,.72);
      backdrop-filter:blur(16px);
      box-shadow:0 10px 40px rgba(0,0,0,.18);
    }
    .status-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(24,214,255,.09);
      color:#d8f8ff;
      border:1px solid rgba(24,214,255,.16);
      font-size:12px;font-weight:700;
    }
    .pulse{width:8px;height:8px;border-radius:999px;background:var(--green);box-shadow:0 0 0 0 rgba(34,197,94,.4);animation:pulse 1.8s infinite}
    @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.42)}70%{box-shadow:0 0 0 11px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
    .section{
      margin-top:24px;
      padding:24px;
      border-radius:28px;
      border:1px solid rgba(125,211,252,.12);
      background:linear-gradient(180deg, rgba(10,18,34,.8), rgba(8,14,26,.88));
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .hero{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(5,11,20,.92) 0%, rgba(5,11,20,.82) 44%, rgba(5,11,20,.46) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(5,11,20,.14), rgba(5,11,20,.74));
      pointer-events:none;
    }
    .hero-grid{position:relative;z-index:1}
    .glow-box{
      background:linear-gradient(180deg, rgba(17,25,43,.78), rgba(7,13,25,.86));
      border:1px solid rgba(125,211,252,.16);
      border-radius:28px;
      box-shadow:0 28px 90px rgba(0,0,0,.42);
      backdrop-filter:blur(20px);
    }
    .kpi{
      padding:18px 18px 16px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(11,21,38,.88), rgba(8,15,28,.88));
      border:1px solid rgba(125,211,252,.13);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .kpi:hover{transform:translateY(-3px);border-color:rgba(24,214,255,.28);box-shadow:0 20px 60px rgba(0,0,0,.28)}
    .kpi-num{
      font-family:ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size:28px;font-weight:800;line-height:1.05;
      background:linear-gradient(90deg, #fff, #8fefff 36%, #c6a6ff 100%);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      font-size:12px;font-weight:700;
      border:1px solid transparent;
    }
    .badge.cyan{background:rgba(24,214,255,.1);color:#b7f3ff;border-color:rgba(24,214,255,.16)}
    .badge.orange{background:rgba(255,176,32,.11);color:#ffe0a5;border-color:rgba(255,176,32,.18)}
    .badge.green{background:rgba(34,197,94,.11);color:#bff7cf;border-color:rgba(34,197,94,.16)}
    .badge.gray{background:rgba(148,163,184,.11);color:#d8e1f1;border-color:rgba(148,163,184,.14)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:12px 18px;border-radius:999px;
      font-weight:800;font-size:14px;
      border:1px solid transparent;
      transition:all .2s ease;
      outline:none;
    }
    .btn:focus-visible{box-shadow:0 0 0 3px rgba(24,214,255,.28)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, rgba(24,214,255,.96), rgba(124,58,237,.92));
      box-shadow:0 16px 40px rgba(24,214,255,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(24,214,255,.24)}
    .btn-secondary{
      color:#d8f8ff;background:rgba(13,23,40,.68);border-color:rgba(24,214,255,.2)
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(24,214,255,.08);border-color:rgba(24,214,255,.34)}
    .btn-accent{
      color:#111827;background:linear-gradient(135deg, rgba(255,176,32,.98), rgba(249,115,22,.95));
      box-shadow:0 16px 40px rgba(255,176,32,.16)
    }
    .btn-accent:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(255,176,32,.22)}
    .title{font-size:clamp(34px,5vw,60px);line-height:1.06;font-weight:900;letter-spacing:0}
    .subtitle{color:#c2d3ea;font-size:16px;max-width:60ch}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px}
    .section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.1;font-weight:900}
    .section-head p{color:var(--muted);font-size:14px;max-width:70ch}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid rgba(125,211,252,.12)}
    table{width:100%;border-collapse:collapse;min-width:760px;background:rgba(8,15,27,.72)}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(125,211,252,.08);white-space:nowrap}
    th{font-size:12px;letter-spacing:.04em;color:#9db0cb;text-transform:uppercase;background:rgba(10,17,31,.92)}
    td{font-size:14px;color:#e5eefc}
    tr:hover td{background:rgba(24,214,255,.04)}
    .row-card{
      padding:16px 18px;border-radius:20px;background:rgba(10,18,34,.74);
      border:1px solid rgba(125,211,252,.12);
    }
    .mini-trend{font-size:12px;color:#9fe8ff}
    .faq-item{
      border:1px solid rgba(125,211,252,.12);
      border-radius:20px;
      background:rgba(10,18,34,.72);
      overflow:hidden;
    }
    .faq-q{
      width:100%;text-align:left;padding:18px 18px;
      background:transparent;color:#f1f7ff;border:0;
      display:flex;justify-content:space-between;gap:16px;align-items:center;
      cursor:pointer;font-weight:800
    }
    .faq-a{padding:0 18px 18px;color:#c3d2e8;display:none}
    .faq-item.open .faq-a{display:block}
    .input{
      width:100%;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(7,14,24,.92);
      border:1px solid rgba(125,211,252,.16);
      color:#eff6ff;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .input::placeholder{color:#8191ac}
    .input:focus{border-color:rgba(24,214,255,.42);box-shadow:0 0 0 3px rgba(24,214,255,.12)}
    .comment{
      background:linear-gradient(180deg, rgba(12,20,36,.84), rgba(8,15,27,.88));
      border:1px solid rgba(125,211,252,.12);
      border-radius:22px;
      padding:18px;
    }
    .footer-link{
      color:#b4c4dc;
      transition:color .2s ease;
    }
    .footer-link:hover{color:#fff}
    .mobile-toggle{display:none}
    @media (max-width: 1024px){
      .shell{grid-template-columns:92px minmax(0,1fr)}
      .nav-label,.sidebar .brand-name,.sidebar .subcopy{display:none}
      .sidebar{padding-inline:10px}
      .nav-link{justify-content:center}
      .nav-dot{margin:0}
    }
    @media (max-width: 768px){
      .shell{grid-template-columns:1fr}
      .sidebar{
        position:relative;height:auto;border-right:0;border-bottom:1px solid rgba(125,211,252,.12);
        padding:16px 14px 12px;
      }
      .mobile-toggle{display:inline-flex}
      .nav-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
      .nav-link{justify-content:center;padding:10px 8px}
      .nav-dot{display:none}
      .main{padding:14px}
      .section{padding:18px;border-radius:22px}
      .hero{background-position:center right}
      .section-head{flex-direction:column;align-items:start}
    }
    @media (max-width: 520px){
      .nav-panel{grid-template-columns:repeat(2,minmax(0,1fr))}
      .title{font-size:32px}
      .kpi-num{font-size:24px}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#050B14;
      --bg-2:#07111F;
      --panel:rgba(15,23,42,.68);
      --panel-strong:rgba(8,18,35,.88);
      --text:#E5F4FF;
      --muted:#8FA6BD;
      --weak:#64748B;
      --cyan:#18D6FF;
      --orange:#FFB020;
      --purple:#7C3AED;
      --green:#22C55E;
      --warning:#F97316;
      --line:rgba(125,211,252,.16);
      --line-strong:rgba(24,214,255,.35);
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --glow:0 0 36px rgba(24,214,255,.18);
      --side:248px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 10%, rgba(24,214,255,.13), transparent 28%),
        radial-gradient(circle at 84% 18%, rgba(124,58,237,.16), transparent 30%),
        radial-gradient(circle at 72% 88%, rgba(255,176,32,.08), transparent 25%),
        linear-gradient(135deg,#050B14 0%,#07111F 48%,#0B1526 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(125,211,252,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125,211,252,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.45), rgba(0,0,0,.9));
    }
    body::after{
      content:"";
      position:fixed;
      inset:-20%;
      pointer-events:none;
      z-index:-1;
      background:linear-gradient(120deg, transparent 20%, rgba(24,214,255,.06) 42%, transparent 56%);
      transform:rotate(-8deg);
      animation:scan 9s ease-in-out infinite alternate;
    }
    @keyframes scan{
      from{transform:translateX(-4%) rotate(-8deg)}
      to{transform:translateX(4%) rotate(-8deg)}
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(24,214,255,.26);color:#fff}
    ::-webkit-scrollbar{width:10px;height:10px}
    ::-webkit-scrollbar-track{background:#07111F}
    ::-webkit-scrollbar-thumb{background:rgba(24,214,255,.32);border-radius:999px}
    ::-webkit-scrollbar-thumb:hover{background:rgba(255,176,32,.55)}

    .app-shell{min-height:100vh}
    .sidebar{
      position:fixed;
      left:0;
      top:0;
      width:var(--side);
      height:100vh;
      padding:22px 18px;
      background:linear-gradient(180deg,rgba(4,11,22,.92),rgba(8,18,35,.76));
      border-right:1px solid var(--line);
      backdrop-filter:blur(18px);
      box-shadow:18px 0 70px rgba(0,0,0,.28);
      z-index:50;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .main-wrap{
      margin-left:var(--side);
      min-height:100vh;
      padding:24px;
    }
    .page-container{
      width:100%;
      max-width:1280px;
      margin:0 auto;
    }
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      padding:12px 16px;
      background:rgba(5,11,20,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }

    .brand{
      display:flex;
      gap:12px;
      align-items:center;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      position:relative;
      background:
        radial-gradient(circle, rgba(255,176,32,.95) 0 13%, transparent 14%),
        linear-gradient(135deg, rgba(24,214,255,.22), rgba(124,58,237,.22));
      border:1px solid rgba(24,214,255,.32);
      box-shadow:0 0 28px rgba(24,214,255,.22);
      flex:none;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      background:rgba(24,214,255,.75);
      border-radius:999px;
    }
    .brand-mark::before{width:25px;height:2px}
    .brand-mark::after{width:2px;height:25px}
    .brand-text{
      line-height:1.25;
      min-width:0;
    }
    .brand-text strong{
      display:block;
      font-weight:900;
      letter-spacing:-.02em;
      color:#F8FDFF;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
    }

    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:12px;
      min-height:46px;
      padding:0 14px;
      border-radius:16px;
      color:#A9B9CA;
      border:1px solid transparent;
      transition:.22s ease;
      outline:none;
    }
    .nav-link:hover{
      color:#fff;
      transform:translateX(2px);
      background:rgba(24,214,255,.08);
      border-color:rgba(24,214,255,.16);
    }
    .nav-link:focus-visible{
      box-shadow:0 0 0 3px rgba(24,214,255,.28);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(90deg, rgba(24,214,255,.18), rgba(124,58,237,.11));
      border-color:rgba(24,214,255,.34);
      box-shadow:inset 0 0 20px rgba(24,214,255,.07), 0 10px 30px rgba(24,214,255,.08);
    }
    .nav-link.active::before{
      content:"";
      position:absolute;
      left:-18px;
      width:4px;
      height:26px;
      border-radius:0 999px 999px 0;
      background:linear-gradient(180deg,var(--cyan),var(--orange));
      box-shadow:0 0 18px rgba(24,214,255,.8);
    }
    .nav-dot{
      width:9px;
      height:9px;
      border-radius:999px;
      background:rgba(143,166,189,.55);
      box-shadow:0 0 0 4px rgba(143,166,189,.06);
      flex:none;
    }
    .nav-link.active .nav-dot{
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(24,214,255,.12),0 0 16px rgba(24,214,255,.8);
    }
    .nav-label{font-weight:700;font-size:14px}

    .glass{
      background:linear-gradient(180deg, rgba(15,23,42,.72), rgba(8,18,35,.82));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      border-radius:var(--radius);
      position:relative;
      overflow:hidden;
    }
    .glass::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(180deg, rgba(255,255,255,.07), transparent 22%);
    }
    .glass-hover{
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .glass-hover:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      box-shadow:0 28px 90px rgba(0,0,0,.46),0 0 40px rgba(24,214,255,.14);
      background:linear-gradient(180deg, rgba(15,23,42,.84), rgba(8,18,35,.9));
    }
    .section{
      margin-top:72px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#B9F4FF;
      background:rgba(24,214,255,.09);
      border:1px solid rgba(24,214,255,.22);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--orange);
      box-shadow:0 0 14px rgba(255,176,32,.8);
    }
    .title-xl{
      font-size:clamp(34px,5vw,58px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.055em;
    }
    .title-lg{
      font-size:clamp(26px,3.2vw,36px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .text-soft{color:var(--muted)}
    .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      font-weight:900;
      border:1px solid transparent;
      transition:.22s ease;
      cursor:pointer;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:white;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 16px 38px rgba(24,214,255,.18),0 0 24px rgba(124,58,237,.16);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px rgba(24,214,255,.28),0 0 34px rgba(124,58,237,.24)}
    .btn-secondary{
      color:#DDF9FF;
      background:rgba(24,214,255,.06);
      border-color:rgba(24,214,255,.28);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(24,214,255,.12);border-color:rgba(255,176,32,.42)}
    .btn-orange{
      color:#170F04;
      background:linear-gradient(135deg,#FFB020,#FF7A18);
      box-shadow:0 16px 36px rgba(255,176,32,.18);
    }
    .btn-orange:hover{transform:translateY(-2px);filter:saturate(1.06);box-shadow:0 20px 48px rgba(255,176,32,.28)}
    .btn:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(24,214,255,.25);
      border-color:rgba(24,214,255,.55);
    }

    .hero{
      min-height:620px;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:28px;
      align-items:stretch;
      padding:30px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(90deg, rgba(5,11,20,.94), rgba(5,11,20,.68) 52%, rgba(5,11,20,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:330px;
      height:330px;
      right:-90px;
      top:-90px;
      border-radius:50%;
      border:1px solid rgba(24,214,255,.18);
      box-shadow:inset 0 0 45px rgba(24,214,255,.08),0 0 80px rgba(124,58,237,.12);
      pointer-events:none;
    }
    .hero > *{position:relative;z-index:1}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(125,211,252,.16);
      background:rgba(15,23,42,.54);
      color:#C7D7EA;
      font-size:13px;
      font-weight:700;
      transition:.2s ease;
    }
    .tag:hover{
      color:#fff;
      border-color:rgba(24,214,255,.36);
      background:rgba(24,214,255,.08);
      transform:translateY(-1px);
    }
    .status-dot{
      width:8px;height:8px;border-radius:999px;background:var(--green);
      box-shadow:0 0 16px rgba(34,197,94,.85);
    }
    .score-card{
      border-radius:28px;
      padding:22px;
      background:rgba(4,11,22,.58);
      border:1px solid rgba(24,214,255,.18);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 20px 70px rgba(0,0,0,.34);
      backdrop-filter:blur(18px);
    }
    .team-line{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:16px;
      padding:14px 0;
      border-bottom:1px solid rgba(125,211,252,.12);
    }
    .team-line:last-child{border-bottom:0}
    .score-number{
      font-size:34px;
      line-height:1;
      font-weight:950;
      color:white;
      letter-spacing:-.04em;
      text-shadow:0 0 18px rgba(24,214,255,.24);
    }
    .score-number.win{color:#BAF7D0}
    .score-number.live{color:#FFD890}

    .metric-card{
      padding:20px;
      border-radius:22px;
      background:rgba(15,23,42,.58);
      border:1px solid rgba(125,211,252,.14);
      transition:.22s ease;
    }
    .metric-card:hover{border-color:rgba(24,214,255,.34);transform:translateY(-2px);box-shadow:0 18px 50px rgba(0,0,0,.22)}
    .metric-num{
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      font-size:clamp(28px,3.5vw,42px);
      line-height:1;
      font-weight:900;
      letter-spacing:-.06em;
      background:linear-gradient(135deg,#fff,var(--cyan));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .score-table-wrap{
      overflow-x:auto;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(5,11,20,.42);
    }
    table{
      width:100%;
      min-width:920px;
      border-collapse:separate;
      border-spacing:0;
    }
    th,td{
      padding:15px 16px;
      text-align:left;
      border-bottom:1px solid rgba(125,211,252,.1);
      vertical-align:middle;
    }
    th{
      color:#BFEFFF;
      font-size:13px;
      font-weight:900;
      background:rgba(24,214,255,.08);
      white-space:nowrap;
    }
    td{color:#D7E5F5;font-size:14px}
    tr:hover td{background:rgba(24,214,255,.045)}
    tr:last-child td{border-bottom:0}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      white-space:nowrap;
      border:1px solid transparent;
    }
    .badge-live{color:#C9FFD9;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.28)}
    .badge-soon{color:#FFE5C2;background:rgba(249,115,22,.12);border-color:rgba(249,115,22,.28)}
    .badge-end{color:#CBD5E1;background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.22)}
    .badge-hot{color:#FFF0C2;background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.32)}
    .badge-info{color:#C8F7FF;background:rgba(24,214,255,.11);border-color:rgba(24,214,255,.28)}

    .filter-pill{
      border:1px solid rgba(125,211,252,.16);
      background:rgba(15,23,42,.62);
      color:#C6D7E8;
      padding:9px 13px;
      border-radius:999px;
      font-weight:800;
      font-size:13px;
      transition:.2s ease;
    }
    .filter-pill:hover,.filter-pill.active{
      color:white;
      border-color:rgba(24,214,255,.42);
      background:rgba(24,214,255,.12);
      box-shadow:0 0 22px rgba(24,214,255,.09);
    }

    .mini-progress{
      height:8px;
      border-radius:999px;
      background:rgba(148,163,184,.18);
      overflow:hidden;
    }
    .mini-progress span{
      display:block;height:100%;border-radius:inherit;
      background:linear-gradient(90deg,var(--cyan),var(--orange));
      box-shadow:0 0 18px rgba(24,214,255,.32);
    }
    .timeline-item{
      position:relative;
      padding-left:32px;
      padding-bottom:22px;
      border-left:1px solid rgba(125,211,252,.16);
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item::before{
      content:"";
      position:absolute;
      left:-8px;
      top:2px;
      width:15px;height:15px;border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 0 6px rgba(24,214,255,.12),0 0 20px rgba(24,214,255,.75);
    }

    .form-input{
      width:100%;
      min-height:48px;
      border-radius:16px;
      border:1px solid rgba(125,211,252,.16);
      background:rgba(5,11,20,.5);
      color:#fff;
      padding:0 14px;
      transition:.2s ease;
    }
    textarea.form-input{
      min-height:108px;
      padding-top:12px;
      resize:vertical;
    }
    select.form-input{appearance:none}
    .form-input::placeholder{color:#6F8297}

    .faq-card{
      border-radius:20px;
      background:rgba(15,23,42,.55);
      border:1px solid rgba(125,211,252,.14);
      overflow:hidden;
      transition:.2s ease;
    }
    .faq-card:hover{border-color:rgba(24,214,255,.28)}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:18px 20px;
      text-align:left;
      font-weight:900;
      color:#F3FAFF;
      cursor:pointer;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:#9EB1C6;
      font-size:15px;
    }
    .faq-card.open .faq-answer{display:block}
    .faq-icon{transition:.2s ease;color:var(--cyan)}
    .faq-card.open .faq-icon{transform:rotate(45deg);color:var(--orange)}

    .footer-link{
      color:#AFC0D2;
      transition:.2s ease;
    }
    .footer-link:hover{color:#fff;text-shadow:0 0 18px rgba(24,214,255,.5)}

    .mobile-drawer{
      position:fixed;
      inset:0;
      z-index:80;
      display:none;
    }
    .mobile-drawer.open{display:block}
    .drawer-mask{
      position:absolute;inset:0;background:rgba(0,0,0,.62);
    }
    .drawer-panel{
      position:absolute;left:0;top:0;bottom:0;width:min(84vw,320px);
      padding:22px 18px;
      background:linear-gradient(180deg,rgba(4,11,22,.98),rgba(8,18,35,.94));
      border-right:1px solid var(--line);
      box-shadow:30px 0 90px rgba(0,0,0,.5);
      transform:translateX(-100%);
      animation:drawerIn .22s ease forwards;
    }
    @keyframes drawerIn{to{transform:translateX(0)}}

    @media (max-width: 1180px){
      :root{--side:216px}
      .hero{grid-template-columns:1fr;min-height:auto}
    }
    @media (max-width: 1023px){
      :root{--side:84px}
      .sidebar{width:var(--side);padding:18px 12px}
      .sidebar .brand-text,.sidebar .nav-label,.sidebar .side-extra{display:none}
      .nav-link{justify-content:center;padding:0}
      .nav-link.active::before{left:-12px}
      .main-wrap{margin-left:var(--side);padding:20px}
      .section{margin-top:58px}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 767px){
      .sidebar{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between}
      .main-wrap{margin-left:0;padding:16px}
      .hero{padding:22px;border-radius:28px}
      .btn{width:100%}
      .hero-actions{display:grid;grid-template-columns:1fr;gap:12px}
      .section{margin-top:52px}
      .score-card{padding:18px}
      .title-xl{letter-spacing:-.04em}
    }
    @media (max-width: 520px){
      .main-wrap{padding:12px}
      .hero{padding:18px}
      .metric-card{padding:16px}
      .glass{border-radius:20px}
      .tag{font-size:12px}
      th,td{padding:12px}
    }

/* roulang page: category3 */
:root {
      --bg: #050B14;
      --bg-2: #07111F;
      --panel: rgba(15, 23, 42, 0.70);
      --panel-strong: rgba(8, 18, 35, 0.88);
      --text: #E5F6FF;
      --muted: #93A4B8;
      --weak: #64748B;
      --line: rgba(125, 211, 252, 0.16);
      --line-hover: rgba(24, 214, 255, 0.38);
      --arc: #18D6FF;
      --orange: #FFB020;
      --purple: #7C3AED;
      --green: #22C55E;
      --red: #F43F5E;
      --radius: 26px;
      --radius-lg: 34px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .38);
      --glow: 0 0 36px rgba(24, 214, 255, .16);
      --sidebar: 248px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 15% 0%, rgba(24, 214, 255, .14), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(124, 58, 237, .18), transparent 34%),
        radial-gradient(circle at 70% 78%, rgba(255, 176, 32, .08), transparent 28%),
        linear-gradient(135deg, #050B14 0%, #07111F 42%, #0B1526 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      background-image:
        linear-gradient(rgba(125, 211, 252, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 211, 252, .055) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.18));
      pointer-events: none;
    }

    body::after {
      content: "";
      position: fixed;
      inset: -20% -10%;
      z-index: -1;
      background:
        linear-gradient(115deg, transparent 0 42%, rgba(24, 214, 255, .06) 43%, transparent 52%),
        linear-gradient(72deg, transparent 0 55%, rgba(255, 176, 32, .045) 56%, transparent 65%);
      animation: scanMove 12s linear infinite;
      pointer-events: none;
    }

    @keyframes scanMove {
      0% { transform: translateX(-2%) translateY(-1%); opacity: .8; }
      50% { transform: translateX(2%) translateY(1%); opacity: 1; }
      100% { transform: translateX(-2%) translateY(-1%); opacity: .8; }
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button, input, select, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(24, 214, 255, .26);
      color: #fff;
    }

    ::-webkit-scrollbar {
      width: 10px;
      height: 10px;
    }

    ::-webkit-scrollbar-track {
      background: rgba(8, 18, 35, .7);
    }

    ::-webkit-scrollbar-thumb {
      background: linear-gradient(180deg, rgba(24,214,255,.56), rgba(124,58,237,.56));
      border-radius: 999px;
      border: 2px solid rgba(8, 18, 35, .8);
    }

    .app-shell {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      z-index: 50;
      width: var(--sidebar);
      height: 100vh;
      padding: 22px 16px;
      background: linear-gradient(180deg, rgba(3, 8, 18, .96), rgba(7, 17, 31, .86));
      border-right: 1px solid var(--line);
      box-shadow: 20px 0 70px rgba(0, 0, 0, .28);
      backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      gap: 22px;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 8px 18px;
      border-bottom: 1px solid rgba(125, 211, 252, .12);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 16px;
      background:
        radial-gradient(circle, rgba(255,255,255,.95) 0 2px, transparent 3px),
        conic-gradient(from 90deg, var(--arc), var(--purple), var(--orange), var(--arc));
      box-shadow: 0 0 28px rgba(24, 214, 255, .28);
      position: relative;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 11px;
      border: 1px solid rgba(5, 11, 20, .75);
      border-radius: 50%;
    }

    .brand-mark::after {
      inset: 20px 7px;
      border-radius: 999px;
      border-color: rgba(5, 11, 20, .62);
      transform: rotate(90deg);
    }

    .brand-name {
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -.02em;
    }

    .brand-sub {
      margin-top: 2px;
      color: var(--muted);
      font-size: 12px;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    }

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 12px;
      border: 1px solid transparent;
      border-radius: 18px;
      color: #A8B8CA;
      transition: transform .22s ease, background .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease;
      outline: none;
    }

    .nav-link:hover {
      color: #fff;
      background: rgba(24, 214, 255, .07);
      border-color: rgba(24, 214, 255, .18);
      transform: translateX(3px);
    }

    .nav-link:focus-visible,
    .btn:focus-visible,
    .field:focus-visible,
    .mobile-menu-btn:focus-visible {
      outline: 3px solid rgba(24, 214, 255, .34);
      outline-offset: 3px;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(90deg, rgba(24, 214, 255, .18), rgba(124, 58, 237, .12));
      border-color: rgba(24, 214, 255, .30);
      box-shadow: inset 0 0 24px rgba(24, 214, 255, .06), 0 12px 32px rgba(0,0,0,.18);
    }

    .nav-link.active::before {
      content: "";
      position: absolute;
      left: -16px;
      top: 14px;
      bottom: 14px;
      width: 4px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--arc), var(--orange));
      box-shadow: 0 0 18px rgba(24, 214, 255, .66);
    }

    .nav-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: rgba(148, 163, 184, .45);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    }

    .nav-link.active .nav-dot {
      background: var(--arc);
      box-shadow: 0 0 16px rgba(24, 214, 255, .86);
    }

    .nav-label {
      font-size: 15px;
      font-weight: 800;
    }

    .side-status {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid rgba(24, 214, 255, .16);
      background:
        radial-gradient(circle at 20% 0%, rgba(24,214,255,.18), transparent 34%),
        rgba(15, 23, 42, .56);
    }

    .main-wrap {
      margin-left: var(--sidebar);
      min-height: 100vh;
      padding: 22px 26px 30px;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 35;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 14px 18px;
      margin-bottom: 22px;
      border: 1px solid rgba(125, 211, 252, .14);
      border-radius: 24px;
      background: rgba(5, 11, 20, .70);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 45px rgba(0,0,0,.20);
    }

    .container-max {
      width: min(1240px, 100%);
      margin-inline: auto;
    }

    .glass {
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.045), transparent 16%),
        var(--panel);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease, background .24s ease;
      position: relative;
      overflow: hidden;
    }

    .glass::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(90deg, transparent, rgba(24, 214, 255, .08), transparent);
      transform: translateX(-100%);
      transition: transform .7s ease;
    }

    .glass:hover {
      border-color: var(--line-hover);
      box-shadow: var(--shadow), var(--glow);
    }

    .glass:hover::before {
      transform: translateX(100%);
    }

    .card-hover:hover {
      transform: translateY(-4px);
    }

    .section {
      margin-top: 72px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #BAF2FF;
      background: rgba(24, 214, 255, .09);
      border: 1px solid rgba(24, 214, 255, .22);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 14px rgba(34,197,94,.8);
    }

    .gradient-text {
      background: linear-gradient(90deg, #fff 0%, #A5F3FC 36%, #C4B5FD 68%, #FFD27A 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 900;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: white;
      background: linear-gradient(135deg, var(--arc), var(--purple));
      box-shadow: 0 16px 36px rgba(24, 214, 255, .22), 0 0 0 1px rgba(255,255,255,.10) inset;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 54px rgba(24, 214, 255, .28);
    }

    .btn-secondary {
      color: #DDF8FF;
      border: 1px solid rgba(24, 214, 255, .28);
      background: rgba(15, 23, 42, .38);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 176, 32, .48);
      background: rgba(255, 176, 32, .08);
      box-shadow: 0 14px 34px rgba(255, 176, 32, .10);
    }

    .btn-orange {
      color: #111827;
      background: linear-gradient(135deg, #FFE0A3, var(--orange));
      box-shadow: 0 16px 36px rgba(255, 176, 32, .18);
    }

    .btn-orange:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 48px rgba(255, 176, 32, .24);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 10px;
      border-radius: 999px;
      border: 1px solid rgba(125, 211, 252, .16);
      background: rgba(15, 23, 42, .60);
      color: #CDEBFF;
      font-size: 12px;
      font-weight: 800;
    }

    .badge.hot {
      color: #FFE7B0;
      border-color: rgba(255, 176, 32, .30);
      background: rgba(255, 176, 32, .10);
    }

    .badge.good {
      color: #B7F7CD;
      border-color: rgba(34,197,94,.30);
      background: rgba(34,197,94,.10);
    }

    .badge.purple {
      color: #DDD6FE;
      border-color: rgba(124,58,237,.34);
      background: rgba(124,58,237,.12);
    }

    .hero {
      position: relative;
      overflow: hidden;
      min-height: 600px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(125, 211, 252, .18);
      background:
        linear-gradient(90deg, rgba(5,11,20,.94), rgba(5,11,20,.64) 54%, rgba(5,11,20,.90)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      box-shadow: var(--shadow), 0 0 80px rgba(24,214,255,.07);
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -110px;
      top: -110px;
      width: 360px;
      height: 360px;
      border: 1px solid rgba(24, 214, 255, .20);
      border-radius: 50%;
      box-shadow: 0 0 0 38px rgba(24, 214, 255, .035), 0 0 0 88px rgba(124, 58, 237, .025);
    }

    .stat-card {
      padding: 20px;
      border-radius: 24px;
      border: 1px solid rgba(125, 211, 252, .14);
      background:
        radial-gradient(circle at 16% 0%, rgba(24, 214, 255, .14), transparent 32%),
        rgba(8, 18, 35, .62);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .stat-card:hover {
      transform: translateY(-3px);
      border-color: rgba(24, 214, 255, .34);
      background: rgba(15, 23, 42, .76);
    }

    .mono {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }

    .data-table-wrap {
      overflow-x: auto;
      border-radius: 24px;
      border: 1px solid rgba(125, 211, 252, .14);
    }

    .data-table {
      width: 100%;
      min-width: 850px;
      border-collapse: collapse;
      background: rgba(8, 18, 35, .52);
    }

    .data-table th,
    .data-table td {
      padding: 15px 16px;
      text-align: left;
      border-bottom: 1px solid rgba(125, 211, 252, .10);
      vertical-align: middle;
    }

    .data-table th {
      color: #BFEFFF;
      font-size: 13px;
      font-weight: 900;
      background: rgba(24, 214, 255, .055);
      white-space: nowrap;
    }

    .data-table td {
      color: #D8E8F4;
      font-size: 14px;
    }

    .data-table tr:hover td {
      background: rgba(24, 214, 255, .045);
    }

    .rank-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid rgba(125, 211, 252, .13);
      background: rgba(8, 18, 35, .55);
      transition: .22s ease;
    }

    .rank-card:hover {
      transform: translateX(4px);
      border-color: rgba(24, 214, 255, .32);
      background: rgba(15, 23, 42, .76);
    }

    .rank-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #06111F;
      font-weight: 950;
      background: linear-gradient(135deg, var(--arc), var(--orange));
      box-shadow: 0 0 22px rgba(24, 214, 255, .20);
    }

    .progress {
      height: 9px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(148, 163, 184, .16);
    }

    .progress > span {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--arc), var(--purple));
      box-shadow: 0 0 16px rgba(24,214,255,.34);
    }

    .map-chip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(15, 23, 42, .48);
      border: 1px solid rgba(125, 211, 252, .12);
    }

    .image-card {
      min-height: 340px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      border: 1px solid rgba(125, 211, 252, .16);
      box-shadow: var(--shadow);
    }

    .image-card img {
      width: 100%;
      height: 100%;
      min-height: 340px;
      object-fit: cover;
      filter: saturate(1.05) contrast(1.06);
    }

    .image-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(5, 11, 20, .92) 100%);
    }

    .image-caption {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      z-index: 2;
    }

    .field {
      width: 100%;
      min-height: 48px;
      padding: 12px 14px;
      border-radius: 16px;
      color: #E5F6FF;
      border: 1px solid rgba(125, 211, 252, .18);
      background: rgba(5, 11, 20, .52);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
      outline: none;
    }

    .field::placeholder {
      color: #718299;
    }

    .field:focus {
      border-color: rgba(24, 214, 255, .65);
      box-shadow: 0 0 0 4px rgba(24, 214, 255, .10);
      background: rgba(5, 11, 20, .72);
    }

    .faq-item {
      border-radius: 22px;
      border: 1px solid rgba(125, 211, 252, .14);
      background: rgba(8, 18, 35, .55);
      overflow: hidden;
    }

    .faq-toggle {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 19px 20px;
      color: #F2FBFF;
      text-align: left;
      background: transparent;
      font-weight: 900;
    }

    .faq-toggle:hover {
      background: rgba(24, 214, 255, .055);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: #AFC2D4;
      font-size: 15px;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-icon {
      color: var(--arc);
      transition: transform .22s ease;
      flex: 0 0 auto;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .footer-link {
      color: #B5C7D8;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-link:hover {
      color: var(--arc);
      transform: translateY(-1px);
    }

    .mobile-header {
      display: none;
    }

    .drawer-mask {
      display: none;
    }

    @media (max-width: 1180px) {
      :root {
        --sidebar: 218px;
      }
      .main-wrap {
        padding-inline: 20px;
      }
    }

    @media (max-width: 1024px) {
      :root {
        --sidebar: 86px;
      }
      .sidebar {
        width: var(--sidebar);
        padding-inline: 12px;
      }
      .brand-box {
        justify-content: center;
      }
      .brand-name,
      .brand-sub,
      .nav-label,
      .side-status .status-text {
        display: none;
      }
      .nav-link {
        justify-content: center;
        padding: 14px 10px;
      }
      .nav-link.active::before {
        left: -12px;
      }
      .side-status {
        padding: 12px;
      }
    }

    @media (max-width: 767px) {
      body {
        background-size: auto;
      }
      .mobile-header {
        position: sticky;
        top: 0;
        z-index: 60;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 14px;
        border-bottom: 1px solid rgba(125, 211, 252, .14);
        background: rgba(5, 11, 20, .88);
        backdrop-filter: blur(18px);
      }
      .mobile-menu-btn {
        width: 42px;
        height: 42px;
        display: grid;
        place-items: center;
        border-radius: 15px;
        color: #E7F8FF;
        border: 1px solid rgba(24,214,255,.20);
        background: rgba(15, 23, 42, .68);
      }
      .sidebar {
        transform: translateX(-108%);
        width: 280px;
        transition: transform .25s ease;
      }
      body.drawer-open .sidebar {
        transform: translateX(0);
      }
      body.drawer-open .brand-name,
      body.drawer-open .brand-sub,
      body.drawer-open .nav-label,
      body.drawer-open .side-status .status-text {
        display: block;
      }
      body.drawer-open .brand-box {
        justify-content: flex-start;
      }
      body.drawer-open .nav-link {
        justify-content: flex-start;
      }
      .drawer-mask {
        position: fixed;
        inset: 0;
        z-index: 45;
        background: rgba(0,0,0,.58);
        backdrop-filter: blur(3px);
      }
      body.drawer-open .drawer-mask {
        display: block;
      }
      .main-wrap {
        margin-left: 0;
        padding: 16px 14px 24px;
      }
      .topbar {
        position: relative;
        top: auto;
        flex-direction: column;
        align-items: flex-start;
        border-radius: 20px;
      }
      .hero {
        min-height: auto;
        border-radius: 28px;
      }
      .section {
        margin-top: 52px;
      }
      .btn {
        width: 100%;
      }
      .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
      }
      .data-table {
        min-width: 760px;
      }
    }

    @media (max-width: 520px) {
      .glass,
      .hero,
      .image-card {
        border-radius: 22px;
      }
      .stat-card {
        padding: 16px;
      }
      .rank-card {
        grid-template-columns: auto 1fr;
      }
      .rank-card .rank-score {
        grid-column: 2;
      }
      .topbar-tags {
        gap: 7px;
      }
    }

/* roulang page: category4 */
:root{
      --bg:#050B14;
      --bg2:#07111F;
      --panel:rgba(15,23,42,.70);
      --panel2:rgba(8,18,35,.86);
      --text:#EAF6FF;
      --muted:#91A4B8;
      --weak:#64748B;
      --line:rgba(125,211,252,.16);
      --line2:rgba(24,214,255,.35);
      --cyan:#18D6FF;
      --orange:#FFB020;
      --purple:#7C3AED;
      --green:#22C55E;
      --radius:26px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --glow:0 0 0 1px rgba(24,214,255,.18),0 24px 70px rgba(24,214,255,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 8%, rgba(24,214,255,.16), transparent 30%),
        radial-gradient(circle at 84% 16%, rgba(124,58,237,.18), transparent 32%),
        radial-gradient(circle at 50% 90%, rgba(255,176,32,.08), transparent 28%),
        linear-gradient(135deg,#050B14 0%,#07111F 48%,#0B1526 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(125,211,252,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125,211,252,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),rgba(0,0,0,.24));
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      z-index:-1;
      pointer-events:none;
      background:
        linear-gradient(115deg, transparent 0 38%, rgba(24,214,255,.06) 42%, transparent 49%),
        linear-gradient(75deg, transparent 0 57%, rgba(255,176,32,.04) 60%, transparent 67%);
      animation:scan 12s linear infinite;
    }
    @keyframes scan{
      0%{transform:translateX(-2%) translateY(-1%)}
      50%{transform:translateX(2%) translateY(1%)}
      100%{transform:translateX(-2%) translateY(-1%)}
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(24,214,255,.28);color:#fff}
    .app-shell{min-height:100vh}
    .sidebar{
      position:fixed;
      inset:0 auto 0 0;
      width:248px;
      z-index:40;
      padding:22px 18px;
      border-right:1px solid var(--line);
      background:linear-gradient(180deg,rgba(3,9,18,.92),rgba(7,17,31,.80));
      backdrop-filter:blur(22px);
      box-shadow:18px 0 60px rgba(0,0,0,.28);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 10px 18px;
      border-bottom:1px solid rgba(125,211,252,.12);
      margin-bottom:18px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      color:white;
      font-weight:900;
      background:
        radial-gradient(circle at 50% 50%, rgba(255,176,32,.9) 0 10%, transparent 12%),
        linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 28px rgba(24,214,255,.26);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;background:rgba(255,255,255,.78);border-radius:99px;
    }
    .brand-mark:before{width:24px;height:2px;left:9px;top:20px}
    .brand-mark:after{height:24px;width:2px;left:20px;top:9px}
    .brand-title{font-size:16px;font-weight:900;line-height:1.25}
    .brand-sub{font-size:11px;color:var(--muted);margin-top:2px}
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      min-height:44px;
      padding:11px 13px;
      border-radius:16px;
      color:#A8B7CA;
      transition:.22s ease;
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:white;
      background:rgba(24,214,255,.08);
      border-color:rgba(24,214,255,.18);
      transform:translateX(2px);
    }
    .nav-link.active{
      color:white;
      background:linear-gradient(90deg,rgba(24,214,255,.18),rgba(124,58,237,.12));
      border-color:rgba(24,214,255,.34);
      box-shadow:inset 3px 0 0 var(--cyan),0 12px 30px rgba(24,214,255,.08);
    }
    .nav-dot{
      width:9px;height:9px;border-radius:999px;
      background:rgba(148,163,184,.42);
      box-shadow:0 0 0 4px rgba(148,163,184,.05);
      flex:0 0 auto;
    }
    .nav-link.active .nav-dot{background:var(--cyan);box-shadow:0 0 0 5px rgba(24,214,255,.14),0 0 18px rgba(24,214,255,.75)}
    .nav-label{font-weight:700;font-size:14px}
    .sidebar-bottom{
      position:absolute;
      left:18px;right:18px;bottom:18px;
      padding:14px;
      border:1px solid rgba(34,197,94,.18);
      border-radius:20px;
      background:rgba(34,197,94,.06);
    }
    .main-wrap{margin-left:248px;min-height:100vh}
    .mobile-top{
      display:none;
      position:sticky;top:0;z-index:50;
      padding:12px 16px;
      border-bottom:1px solid var(--line);
      background:rgba(5,11,20,.86);
      backdrop-filter:blur(18px);
    }
    .menu-btn{
      border:1px solid var(--line);
      background:rgba(15,23,42,.72);
      border-radius:14px;
      padding:9px 12px;
      transition:.2s ease;
    }
    .menu-btn:hover,.menu-btn:focus{border-color:var(--line2);box-shadow:var(--glow);outline:none}
    .container-x{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .section{padding:74px 0}
    .section-tight{padding:44px 0}
    .glass{
      background:linear-gradient(180deg,rgba(15,23,42,.72),rgba(8,18,35,.82));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      position:relative;
      overflow:hidden;
    }
    .glass:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 34%);
    }
    .card-hover{transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease}
    .card-hover:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:var(--shadow),0 0 36px rgba(24,214,255,.10)}
    .hero{
      min-height:640px;
      display:grid;
      align-items:center;
      position:relative;
      overflow:hidden;
      border-bottom:1px solid rgba(125,211,252,.10);
    }
    .hero-bg{
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(5,11,20,.94),rgba(5,11,20,.66),rgba(5,11,20,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.82;
    }
    .hero-orbit{
      position:absolute;
      right:6%;top:14%;
      width:320px;height:320px;border-radius:999px;
      border:1px solid rgba(24,214,255,.22);
      box-shadow:inset 0 0 50px rgba(24,214,255,.06),0 0 70px rgba(124,58,237,.14);
    }
    .hero-orbit:before,.hero-orbit:after{
      content:"";position:absolute;border-radius:999px;border:1px dashed rgba(255,176,32,.18);
    }
    .hero-orbit:before{inset:44px}.hero-orbit:after{inset:96px}
    .kicker{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      border:1px solid rgba(24,214,255,.25);
      background:rgba(24,214,255,.08);
      color:#B9F3FF;
      font-weight:800;
      font-size:13px;
    }
    .kicker:before{
      content:"";width:8px;height:8px;border-radius:999px;background:var(--green);
      box-shadow:0 0 18px rgba(34,197,94,.78);
    }
    .hero-title{
      font-size:clamp(34px,5.4vw,62px);
      font-weight:950;
      line-height:1.08;
      letter-spacing:-.04em;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#B9F3FF 38%,#18D6FF 65%,#FFB020 100%);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:900;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 16px 42px rgba(24,214,255,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 58px rgba(24,214,255,.30)}
    .btn-secondary{
      color:#C9F6FF;
      background:rgba(15,23,42,.62);
      border-color:rgba(24,214,255,.28);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(255,176,32,.42);background:rgba(255,176,32,.08)}
    .btn:focus,input:focus,select:focus,textarea:focus,a:focus{outline:2px solid rgba(24,214,255,.72);outline-offset:3px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:5px 10px;border-radius:999px;
      font-size:12px;font-weight:800;
      border:1px solid rgba(125,211,252,.16);
      background:rgba(15,23,42,.58);
      color:#C8D6E7;
    }
    .badge-cyan{border-color:rgba(24,214,255,.30);color:#9DEEFF;background:rgba(24,214,255,.08)}
    .badge-orange{border-color:rgba(255,176,32,.34);color:#FFD28A;background:rgba(255,176,32,.10)}
    .badge-green{border-color:rgba(34,197,94,.32);color:#A7F3D0;background:rgba(34,197,94,.09)}
    .badge-purple{border-color:rgba(124,58,237,.36);color:#D7C3FF;background:rgba(124,58,237,.12)}
    .stat-number{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:950;letter-spacing:-.04em}
    .hud-card{
      background:
        linear-gradient(135deg,rgba(24,214,255,.12),transparent 28%),
        linear-gradient(180deg,rgba(15,23,42,.76),rgba(8,18,35,.90));
      border:1px solid var(--line);
      border-radius:24px;
      position:relative;
      overflow:hidden;
    }
    .map-tile{
      min-height:142px;
      background:
        linear-gradient(180deg,rgba(5,11,20,.10),rgba(5,11,20,.88)),
        var(--img) center/cover no-repeat;
      border-radius:24px;
      border:1px solid rgba(125,211,252,.16);
      overflow:hidden;
      position:relative;
    }
    .progress-track{height:9px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
    .progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
    .timeline:before{
      content:"";position:absolute;left:20px;top:10px;bottom:10px;width:1px;background:linear-gradient(var(--cyan),rgba(124,58,237,.25));
    }
    .timeline-item{position:relative;padding-left:54px}
    .timeline-dot{
      position:absolute;left:11px;top:6px;width:19px;height:19px;border-radius:999px;
      background:#07111F;border:2px solid var(--cyan);box-shadow:0 0 22px rgba(24,214,255,.46);
    }
    .data-table{width:100%;border-collapse:separate;border-spacing:0 10px}
    .data-table th{
      color:#8FA5BA;
      font-size:12px;
      font-weight:900;
      text-align:left;
      padding:0 14px 6px;
      white-space:nowrap;
    }
    .data-table td{
      background:rgba(15,23,42,.58);
      border-top:1px solid rgba(125,211,252,.12);
      border-bottom:1px solid rgba(125,211,252,.12);
      padding:14px;
      vertical-align:middle;
      white-space:nowrap;
    }
    .data-table td:first-child{border-left:1px solid rgba(125,211,252,.12);border-radius:16px 0 0 16px}
    .data-table td:last-child{border-right:1px solid rgba(125,211,252,.12);border-radius:0 16px 16px 0}
    .table-wrap{overflow-x:auto;padding-bottom:4px}
    .table-wrap::-webkit-scrollbar{height:8px}
    .table-wrap::-webkit-scrollbar-thumb{background:rgba(24,214,255,.28);border-radius:99px}
    .faq-item{border:1px solid rgba(125,211,252,.14);background:rgba(15,23,42,.54);border-radius:20px;overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 20px;text-align:left;font-weight:900}
    .faq-a{display:none;padding:0 20px 18px;color:#AABBD0;font-size:15px}
    .faq-item.open .faq-a{display:block}
    .faq-icon{color:var(--cyan);transition:.2s}
    .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--orange)}
    .input{
      width:100%;
      border:1px solid rgba(125,211,252,.18);
      background:rgba(5,11,20,.48);
      color:#EAF6FF;
      border-radius:16px;
      padding:13px 14px;
      transition:.2s ease;
    }
    .input::placeholder{color:#66788D}
    .input:focus{border-color:rgba(24,214,255,.62);box-shadow:0 0 0 4px rgba(24,214,255,.08)}
    .footer-link{color:#9FB2C8;transition:.2s ease}
    .footer-link:hover{color:#18D6FF}
    @media (max-width:1024px){
      .sidebar{width:86px;padding:18px 12px}
      .brand{justify-content:center;padding:8px 0 16px}
      .brand-copy,.nav-label,.sidebar-bottom{display:none}
      .nav-link{justify-content:center;padding:12px 8px}
      .main-wrap{margin-left:86px}
      .hero-orbit{opacity:.42;right:-8%}
    }
    @media (max-width:767px){
      .sidebar{
        transform:translateX(-105%);
        transition:transform .25s ease;
        width:min(290px,86vw);
      }
      .sidebar.open{transform:translateX(0)}
      .brand-copy,.nav-label,.sidebar-bottom{display:block}
      .nav-link{justify-content:flex-start;padding:11px 13px}
      .main-wrap{margin-left:0}
      .mobile-top{display:flex}
      .container-x{width:min(100% - 28px,1180px)}
      .section{padding:52px 0}
      .hero{min-height:auto;padding:58px 0 42px}
      .hero-orbit{display:none}
      .btn{width:100%}
      .data-table th,.data-table td{font-size:13px;padding:12px}
    }
    @media (max-width:520px){
      .glass{border-radius:22px}
      .hero-title{font-size:34px}
      .section{padding:44px 0}
      .badge{font-size:11px}
    }

/* roulang page: category5 */
:root {
      --bg: #050b14;
      --bg-soft: #07111f;
      --panel: rgba(15, 23, 42, 0.72);
      --panel-strong: rgba(8, 18, 35, 0.9);
      --cyan: #18d6ff;
      --orange: #ffb020;
      --purple: #7c3aed;
      --green: #22c55e;
      --muted: #94a3b8;
      --text: #e5f6ff;
      --border: rgba(125, 211, 252, 0.16);
      --border-hover: rgba(24, 214, 255, 0.38);
      --radius: 28px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
      --glow: 0 0 34px rgba(24, 214, 255, 0.22);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 10%, rgba(24, 214, 255, 0.18), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(124, 58, 237, 0.20), transparent 30%),
        linear-gradient(135deg, #050b14 0%, #07111f 42%, #0b1526 100%);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(125, 211, 252, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 211, 252, 0.055) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25));
    }

    body::after {
      content: "";
      position: fixed;
      inset: -20%;
      z-index: -1;
      pointer-events: none;
      background: conic-gradient(from 120deg at 50% 50%, transparent, rgba(24,214,255,.09), transparent, rgba(255,176,32,.06), transparent);
      animation: radarSweep 16s linear infinite;
      opacity: .65;
    }

    @keyframes radarSweep {
      to { transform: rotate(360deg); }
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(24, 214, 255, 0.35);
      color: #fff;
    }

    .app-shell {
      display: grid;
      grid-template-columns: 248px minmax(0, 1fr);
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      width: 248px;
      height: 100vh;
      padding: 22px 18px;
      background: linear-gradient(180deg, rgba(3, 8, 18, 0.92), rgba(8, 18, 35, 0.82));
      border-right: 1px solid var(--border);
      backdrop-filter: blur(20px);
      z-index: 40;
      box-shadow: 18px 0 60px rgba(0, 0, 0, 0.34);
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #001018;
      font-weight: 900;
      background:
        radial-gradient(circle at 50% 50%, #fff 0 4px, transparent 5px),
        linear-gradient(135deg, var(--cyan), var(--orange));
      box-shadow: 0 0 28px rgba(24, 214, 255, 0.36);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      background: rgba(5, 11, 20, .78);
    }

    .brand-mark::before {
      width: 26px;
      height: 2px;
    }

    .brand-mark::after {
      width: 2px;
      height: 26px;
    }

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 46px;
      padding: 12px 14px;
      color: #b6c7d8;
      border: 1px solid transparent;
      border-radius: 16px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .nav-link:hover {
      transform: translateX(3px);
      color: #fff;
      background: rgba(24, 214, 255, 0.08);
      border-color: rgba(24, 214, 255, 0.2);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(90deg, rgba(24, 214, 255, 0.18), rgba(124, 58, 237, 0.12));
      border-color: rgba(24, 214, 255, 0.34);
      box-shadow: inset 3px 0 0 var(--cyan), var(--glow);
    }

    .nav-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: rgba(148, 163, 184, 0.48);
      box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.05);
      flex: 0 0 auto;
    }

    .nav-link.active .nav-dot {
      background: var(--cyan);
      box-shadow: 0 0 0 5px rgba(24, 214, 255, 0.14), 0 0 20px rgba(24, 214, 255, .7);
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 12px 16px;
      background: rgba(5, 11, 20, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .mobile-menu {
      display: none;
      border-top: 1px solid var(--border);
      margin-top: 12px;
      padding-top: 12px;
    }

    .mobile-menu.open {
      display: block;
    }

    .main {
      grid-column: 2;
      min-width: 0;
      padding: 24px 28px 34px;
    }

    .container {
      width: min(1180px, 100%);
      margin: 0 auto;
    }

    .glass {
      background: linear-gradient(145deg, rgba(15, 23, 42, 0.72), rgba(8, 18, 35, 0.82));
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(20px);
      position: relative;
      overflow: hidden;
    }

    .glass::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(255,255,255,.09), transparent 24%, transparent 74%, rgba(24,214,255,.07));
      opacity: .8;
    }

    .card {
      background: rgba(15, 23, 42, 0.58);
      border: 1px solid var(--border);
      border-radius: 24px;
      transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
      position: relative;
      overflow: hidden;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: var(--border-hover);
      background: rgba(15, 23, 42, 0.76);
      box-shadow: 0 18px 54px rgba(24, 214, 255, 0.12);
    }

    .section {
      margin-top: 72px;
    }

    .section-title {
      font-size: clamp(1.65rem, 3vw, 2.35rem);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: -0.04em;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: linear-gradient(90deg, var(--cyan), var(--orange));
      border-radius: 999px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      border: 1px solid transparent;
      outline: none;
      white-space: nowrap;
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .footer-link:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(24, 214, 255, 0.35);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow: 0 0 32px rgba(24, 214, 255, 0.24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 44px rgba(24, 214, 255, 0.36);
    }

    .btn-secondary {
      color: #dff8ff;
      background: rgba(24, 214, 255, 0.06);
      border-color: rgba(24, 214, 255, 0.28);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(24, 214, 255, 0.12);
      border-color: rgba(24, 214, 255, 0.48);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 11px;
      border: 1px solid rgba(24, 214, 255, 0.18);
      border-radius: 999px;
      color: #c8f4ff;
      background: rgba(24, 214, 255, 0.07);
      font-size: 12px;
      font-weight: 800;
    }

    .badge.orange {
      color: #ffe3b0;
      border-color: rgba(255, 176, 32, 0.26);
      background: rgba(255, 176, 32, 0.10);
    }

    .badge.green {
      color: #bbf7d0;
      border-color: rgba(34, 197, 94, 0.26);
      background: rgba(34, 197, 94, 0.10);
    }

    .hero {
      min-height: 620px;
      padding: 34px;
      background:
        linear-gradient(90deg, rgba(5, 11, 20, 0.95), rgba(5, 11, 20, 0.68), rgba(5, 11, 20, 0.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }

    .hero h1 {
      font-size: clamp(2.1rem, 5vw, 4rem);
      line-height: 1.05;
      font-weight: 950;
      letter-spacing: -0.06em;
    }

    .gradient-text {
      background: linear-gradient(135deg, #ffffff, var(--cyan) 45%, var(--orange));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .data-num {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      letter-spacing: -0.05em;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      display: inline-block;
      background: var(--green);
      box-shadow: 0 0 18px rgba(34, 197, 94, .75);
    }

    .version-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0 10px;
      min-width: 860px;
    }

    .version-table th {
      color: #9fb1c5;
      font-size: 13px;
      font-weight: 800;
      text-align: left;
      padding: 0 16px 8px;
      white-space: nowrap;
    }

    .version-table td {
      padding: 17px 16px;
      background: rgba(15, 23, 42, 0.68);
      border-top: 1px solid rgba(125, 211, 252, 0.12);
      border-bottom: 1px solid rgba(125, 211, 252, 0.12);
      color: #dcecff;
      vertical-align: middle;
    }

    .version-table td:first-child {
      border-left: 1px solid rgba(125, 211, 252, 0.12);
      border-radius: 18px 0 0 18px;
    }

    .version-table td:last-child {
      border-right: 1px solid rgba(125, 211, 252, 0.12);
      border-radius: 0 18px 18px 0;
    }

    .impact-meter {
      height: 10px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(148, 163, 184, 0.18);
    }

    .impact-meter span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--orange));
    }

    .timeline-item {
      position: relative;
      padding-left: 28px;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: 5px;
      top: 9px;
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--cyan);
      box-shadow: 0 0 20px rgba(24, 214, 255, .7);
    }

    .timeline-item::after {
      content: "";
      position: absolute;
      left: 9px;
      top: 24px;
      bottom: -24px;
      width: 1px;
      background: rgba(125, 211, 252, .18);
    }

    .timeline-item:last-child::after {
      display: none;
    }

    details {
      background: rgba(15, 23, 42, 0.58);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 18px 20px;
      transition: border-color .2s ease, background .2s ease;
    }

    details[open],
    details:hover {
      border-color: rgba(24, 214, 255, 0.34);
      background: rgba(15, 23, 42, 0.78);
    }

    summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(24, 214, 255, 0.08);
      border: 1px solid rgba(24, 214, 255, 0.18);
      flex: 0 0 auto;
      font-weight: 900;
    }

    details[open] summary::after {
      content: "−";
      color: var(--orange);
      background: rgba(255, 176, 32, 0.10);
      border-color: rgba(255, 176, 32, 0.25);
    }

    .form-field {
      width: 100%;
      border: 1px solid rgba(125, 211, 252, 0.18);
      background: rgba(5, 11, 20, 0.62);
      color: #fff;
      border-radius: 16px;
      padding: 13px 14px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .form-field:focus {
      border-color: rgba(24, 214, 255, 0.62);
      box-shadow: 0 0 0 4px rgba(24, 214, 255, 0.10);
      background: rgba(5, 11, 20, 0.82);
    }

    .form-field::placeholder {
      color: rgba(148, 163, 184, .82);
    }

    .footer-link {
      color: #a9bbcf;
      transition: color .2s ease;
    }

    .footer-link:hover {
      color: var(--cyan);
    }

    .scroll-x {
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(24,214,255,.45) rgba(15,23,42,.65);
    }

    .scroll-x::-webkit-scrollbar {
      height: 9px;
    }

    .scroll-x::-webkit-scrollbar-track {
      background: rgba(15,23,42,.65);
      border-radius: 999px;
    }

    .scroll-x::-webkit-scrollbar-thumb {
      background: rgba(24,214,255,.45);
      border-radius: 999px;
    }

    @media (max-width: 1024px) {
      .app-shell {
        grid-template-columns: 84px minmax(0, 1fr);
      }

      .sidebar {
        width: 84px;
        padding: 18px 12px;
      }

      .sidebar .brand-text,
      .sidebar .nav-label,
      .sidebar .sidebar-extra {
        display: none;
      }

      .nav-link {
        justify-content: center;
        padding: 13px 8px;
      }

      .nav-link:hover {
        transform: translateY(-2px);
      }

      .main {
        padding: 22px 22px 32px;
      }

      .hero {
        padding: 28px;
      }
    }

    @media (max-width: 767px) {
      .app-shell {
        display: block;
      }

      .sidebar {
        display: none;
      }

      .mobile-bar {
        display: block;
      }

      .main {
        padding: 18px 16px 28px;
      }

      .container {
        width: 100%;
      }

      .hero {
        min-height: auto;
        padding: 22px;
        border-radius: 24px;
      }

      .section {
        margin-top: 52px;
      }

      .btn {
        width: 100%;
      }

      .mobile-actions {
        display: grid;
        gap: 12px;
      }
    }

    @media (max-width: 520px) {
      .hero h1 {
        font-size: 2.15rem;
      }

      .section-title {
        font-size: 1.75rem;
      }

      .glass,
      .card {
        border-radius: 22px;
      }

      .version-table {
        min-width: 760px;
      }
    }