/* roulang page: index */
:root{
      --bg:#0b1018;
      --bg2:#101927;
      --panel:#111b2a;
      --panel2:#152131;
      --line:rgba(150,166,189,.18);
      --text:#f6f1e8;
      --muted:#aab3c2;
      --mint:#59f0d3;
      --coral:#ff8a5a;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1100px 550px at 12% 0%, rgba(89,240,211,.12), transparent 55%),
        radial-gradient(800px 420px at 92% 8%, rgba(255,138,90,.12), transparent 45%),
        linear-gradient(180deg, #081018 0%, #0b1018 35%, #081018 100%);
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height:1.7;
      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,.02) 1px, transparent 1px);
      background-size: 120px 120px, 120px 120px;
      opacity:.13;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 95%);
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:all .25s ease;
    }
    img{max-width:100%;display:block}
    button,input,textarea{
      font:inherit;
    }
    ::selection{
      background:rgba(89,240,211,.28);
      color:#fff;
    }
    .noise{
      position:relative;
    }
    .noise::after{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.05) 0 1px, transparent 1px),
        radial-gradient(circle at 80% 40%, rgba(255,255,255,.05) 0 1px, transparent 1px),
        radial-gradient(circle at 50% 80%, rgba(255,255,255,.05) 0 1px, transparent 1px);
      background-size: 160px 160px;
      opacity:.24;
      mix-blend-mode: screen;
    }
    .container-wide{
      width:min(1180px, calc(100% - 2rem));
      margin-inline:auto;
    }
    .panel{
      background: linear-gradient(180deg, rgba(17,27,42,.92), rgba(12,18,28,.95));
      border:1px solid var(--line);
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }
    .ticket{
      border-radius:var(--radius);
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(20,31,46,.96), rgba(12,18,28,.96));
      box-shadow: var(--shadow);
    }
    .ticket::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(89,240,211,.12), transparent 35%),
        linear-gradient(315deg, rgba(255,138,90,.08), transparent 40%);
      pointer-events:none;
    }
    .ticket::after{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(255,255,255,.06);
      border-radius: calc(var(--radius) - 6px);
      pointer-events:none;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#dfe7f2;
      padding:.48rem .9rem;
      font-size:.92rem;
      line-height:1;
      white-space:nowrap;
      transition:all .24s ease;
    }
    .chip:hover,
    .chip:focus-visible{
      border-color:rgba(89,240,211,.5);
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 0 0 3px rgba(89,240,211,.09);
    }
    .chip.active{
      background:linear-gradient(135deg, rgba(89,240,211,.18), rgba(89,240,211,.08));
      border-color:rgba(89,240,211,.55);
      color:#fff;
      box-shadow:0 0 0 1px rgba(89,240,211,.12);
    }
    .hero-title{
      font-weight:800;
      letter-spacing:-.03em;
      line-height:1.08;
      text-wrap:balance;
    }
    .hero-sub{
      color:var(--muted);
      font-size:1.02rem;
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      padding:.92rem 1.25rem;
      background:linear-gradient(135deg, var(--mint), #79f6b8);
      color:#05131a;
      font-weight:700;
      box-shadow:0 14px 36px rgba(89,240,211,.18);
      border:1px solid rgba(255,255,255,.1);
      transition:all .25s ease;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(89,240,211,.25);
      filter:saturate(1.05);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      padding:.92rem 1.25rem;
      background:rgba(255,255,255,.03);
      color:#f2f6fb;
      border:1px solid rgba(255,255,255,.12);
      transition:all .25s ease;
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(255,138,90,.45);
      box-shadow:0 0 0 3px rgba(255,138,90,.10);
    }
    .section-kicker{
      color:var(--mint);
      font-size:.86rem;
      letter-spacing:.18em;
      text-transform:uppercase;
      font-weight:700;
    }
    .section-title{
      font-size:clamp(1.5rem, 3vw, 2.35rem);
      line-height:1.12;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .section-desc{
      color:var(--muted);
      max-width:68ch;
    }
    .card{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:0 18px 50px rgba(0,0,0,.18);
      transition:transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(89,240,211,.34);
      box-shadow:0 20px 60px rgba(0,0,0,.26);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      border-radius:999px;
      padding:.32rem .68rem;
      font-size:.78rem;
      font-weight:700;
      letter-spacing:.02em;
      background:rgba(89,240,211,.10);
      color:#b8fff1;
      border:1px solid rgba(89,240,211,.18);
    }
    .badge.warn{
      background:rgba(255,138,90,.10);
      color:#ffd9cb;
      border-color:rgba(255,138,90,.18);
    }
    .muted{
      color:var(--muted);
    }
    .stat{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(18,28,43,.98), rgba(12,18,28,.98));
      padding:1rem 1.1rem;
    }
    .stat-num{
      font-size:1.55rem;
      line-height:1;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .stat-label{
      color:var(--muted);
      font-size:.92rem;
      margin-top:.35rem;
    }
    .dot{
      width:10px;height:10px;border-radius:999px;background:var(--mint);box-shadow:0 0 0 4px rgba(89,240,211,.12);
    }
    .field{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(8,13,20,.65);
      color:#f4f7fb;
      padding:.9rem 1rem;
      outline:none;
      transition:all .22s ease;
    }
    .field::placeholder{color:#7d8da2}
    .field:focus{
      border-color:rgba(89,240,211,.48);
      box-shadow:0 0 0 4px rgba(89,240,211,.08);
    }
    details.faq{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    details.faq[open]{
      border-color:rgba(89,240,211,.26);
      box-shadow:0 16px 42px rgba(0,0,0,.18);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1.05rem;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary::after{
      content:"+";
      font-size:1.3rem;
      color:var(--mint);
      line-height:1;
    }
    details.faq[open] summary::after{
      content:"—";
    }
    details.faq .faq-body{
      padding:0 1.05rem 1rem;
      color:var(--muted);
    }
    .footer-link{
      color:#d5deea;
    }
    .footer-link:hover,
    .footer-link:focus-visible{
      color:#fff;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .scrollbar::-webkit-scrollbar{height:10px;width:10px}
    .scrollbar::-webkit-scrollbar-thumb{
      background:linear-gradient(180deg, rgba(89,240,211,.42), rgba(255,138,90,.32));
      border-radius:999px;
    }
    .scrollbar::-webkit-scrollbar-track{background:rgba(255,255,255,.04)}
    .nav-wrap{
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(7,11,18,.72);
      backdrop-filter: blur(14px);
    }
    .hero-glow{
      position:absolute;
      inset:auto -10% -24% auto;
      width:26rem;
      height:26rem;
      border-radius:999px;
      background:radial-gradient(circle, rgba(89,240,211,.14), transparent 68%);
      filter: blur(6px);
      pointer-events:none;
    }
    .hero-glow-2{
      position:absolute;
      inset:-18% auto auto -14%;
      width:20rem;
      height:20rem;
      border-radius:999px;
      background:radial-gradient(circle, rgba(255,138,90,.12), transparent 68%);
      pointer-events:none;
    }
    .line-grid{
      position:relative;
    }
    .line-grid::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.03), transparent);
      opacity:.6;
      pointer-events:none;
      mask-image: linear-gradient(180deg, transparent, black 20%, black 80%, transparent);
    }
    @media (max-width: 768px){
      .container-wide{width:min(100% - 1rem, 1180px);}
    }

/* roulang page: category1 */
:root{
      --bg:#0b0b12;
      --bg-soft:#11111a;
      --panel:rgba(255,255,255,.05);
      --panel-strong:rgba(255,255,255,.08);
      --line:rgba(255,255,255,.10);
      --text:#f5f1ea;
      --soft:#b8b3ab;
      --muted:#8c867e;
      --mint:#8bf4d4;
      --mint-strong:#18c99b;
      --coral:#ff8a5b;
      --amber:#f4c56a;
      --shadow:0 24px 60px rgba(0,0,0,.35);
      --radius:24px;
      --radius-sm:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      background:
        radial-gradient(circle at top left, rgba(139,244,212,.12), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(255,138,91,.14), transparent 22%),
        radial-gradient(circle at 50% 100%, rgba(244,197,106,.06), transparent 24%),
        linear-gradient(180deg, #0b0b12 0%, #0d0d15 50%, #08080d 100%);
      color:var(--text);
      overflow-x:hidden;
      line-height:1.6;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:34px 34px, 34px 34px;
      mask-image: radial-gradient(circle at center, black 50%, transparent 100%);
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.16;
      background:
        repeating-linear-gradient(180deg, rgba(255,255,255,.02) 0, rgba(255,255,255,.02) 1px, transparent 1px, transparent 3px);
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container-wide{width:min(1200px, calc(100% - 1.5rem));margin:0 auto}
    .nav-wrap{
      background:rgba(7,7,12,.78);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:2.9rem;
      padding:.75rem 1rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:var(--soft);
      font-size:.94rem;
      font-weight:700;
      letter-spacing:.01em;
      white-space:nowrap;
      transition:transform .22s ease, background .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease;
    }
    .chip:hover,
    .chip:focus-visible{
      color:#fff;
      border-color:rgba(139,244,212,.45);
      background:rgba(139,244,212,.08);
      box-shadow:0 0 0 4px rgba(139,244,212,.09);
      transform:translateY(-1px);
      outline:none;
    }
    .chip.active{
      color:#06110d;
      background:linear-gradient(135deg, var(--mint) 0%, #d8ffef 100%);
      border-color:transparent;
      box-shadow:0 14px 30px rgba(24,201,155,.18);
    }
    .btn-primary,
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      min-height:3rem;
      padding:.84rem 1.2rem;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      outline:none;
    }
    .btn-primary{
      color:#08100d;
      background:linear-gradient(135deg, var(--mint) 0%, var(--coral) 100%);
      box-shadow:0 16px 32px rgba(24,201,155,.18);
      border:1px solid transparent;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 20px 40px rgba(24,201,155,.24);
      outline:none;
    }
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.12);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(139,244,212,.06);
      border-color:rgba(139,244,212,.45);
      transform:translateY(-1px);
      outline:none;
    }
    .dot{
      width:.78rem;
      height:.78rem;
      border-radius:999px;
      background:radial-gradient(circle at 32% 32%, #fff 0 12%, var(--mint) 38%, rgba(139,244,212,.12) 100%);
      box-shadow:0 0 20px rgba(139,244,212,.62);
    }
    .text-soft{color:var(--soft)}
    .text-mint{color:var(--mint)}
    .panel{
      position:relative;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.09);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(139,244,212,.12), transparent 35%),
        linear-gradient(315deg, rgba(255,138,91,.10), transparent 30%);
      pointer-events:none;
      opacity:.7;
    }
    .poster-line{
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      border-radius:20px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .72rem;
      border-radius:999px;
      border:1px solid rgba(139,244,212,.22);
      background:rgba(139,244,212,.06);
      color:var(--mint);
      font-size:.75rem;
      font-weight:800;
      letter-spacing:.18em;
      text-transform:uppercase;
    }
    .section-title{
      font-size:clamp(1.55rem, 2vw, 2.15rem);
      line-height:1.15;
      font-weight:900;
      letter-spacing:-.03em;
      color:#fff;
    }
    .field{
      width:100%;
      min-height:3rem;
      padding:.85rem 1rem;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#fff;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field::placeholder{color:rgba(184,179,171,.72)}
    .field:focus{
      outline:none;
      border-color:rgba(139,244,212,.45);
      box-shadow:0 0 0 4px rgba(139,244,212,.09);
      background:rgba(255,255,255,.06);
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.035);
      border-radius:22px;
      overflow:hidden;
      transition:border-color .2s ease, background .2s ease, transform .2s ease;
    }
    .faq-item:hover{transform:translateY(-1px)}
    .faq-item[open]{
      border-color:rgba(139,244,212,.28);
      background:rgba(139,244,212,.05);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1rem 1.1rem;
      font-weight:800;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:1.75rem;
      height:1.75rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:var(--mint);
      background:rgba(255,255,255,.03);
      flex:none;
      transition:transform .2s ease, background .2s ease;
    }
    .faq-item[open] summary::after{
      content:"−";
      background:rgba(139,244,212,.10);
      transform:rotate(0deg);
    }
    .faq-item .faq-body{
      padding:0 1.1rem 1rem;
      color:var(--soft);
      font-size:.96rem;
    }
    .footer-link{
      color:var(--soft);
      transition:color .2s ease, transform .2s ease;
    }
    .footer-link:hover,
    .footer-link:focus-visible{
      color:#fff;
      transform:translateX(3px);
      outline:none;
    }
    .scrollbar{
      scrollbar-width:thin;
      scrollbar-color:rgba(139,244,212,.4) transparent;
    }
    .scrollbar::-webkit-scrollbar{height:6px;width:6px}
    .scrollbar::-webkit-scrollbar-track{background:transparent}
    .scrollbar::-webkit-scrollbar-thumb{
      background:linear-gradient(90deg, rgba(139,244,212,.35), rgba(255,138,91,.35));
      border-radius:999px;
    }
    .badge-hot{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.35rem .65rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#fff;
      font-size:.76rem;
      font-weight:800;
      letter-spacing:.08em;
    }
    .metric{
      padding:1rem;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .metric .num{
      display:block;
      font-size:1.5rem;
      line-height:1;
      font-weight:900;
      color:#fff;
      letter-spacing:-.03em;
    }
    .metric .label{
      display:block;
      margin-top:.45rem;
      font-size:.82rem;
      color:var(--soft);
      letter-spacing:.02em;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.34rem .62rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      color:var(--soft);
      background:rgba(255,255,255,.03);
      font-size:.76rem;
      font-weight:700;
      white-space:nowrap;
    }
    .card-tile{
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.03));
      border-radius:24px;
      box-shadow:0 14px 34px rgba(0,0,0,.22);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .card-tile:hover{
      transform:translateY(-2px);
      border-color:rgba(139,244,212,.24);
      box-shadow:0 20px 40px rgba(0,0,0,.28);
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
    }
    .progress-line{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .progress-line > span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--mint), var(--coral));
    }
    .checklist li{
      position:relative;
      padding-left:1.35rem;
    }
    .checklist li::before{
      content:"";
      position:absolute;
      left:0;
      top:.55rem;
      width:.68rem;
      height:.68rem;
      border-radius:999px;
      background:linear-gradient(135deg, var(--mint), var(--coral));
      box-shadow:0 0 0 3px rgba(139,244,212,.08);
    }
    .burst{
      position:absolute;
      top:1rem;
      right:1rem;
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.48rem .75rem;
      border-radius:999px;
      color:#08110d;
      background:linear-gradient(135deg, #fff 0%, var(--amber) 100%);
      font-size:.78rem;
      font-weight:900;
      letter-spacing:.12em;
      box-shadow:0 16px 34px rgba(244,197,106,.22);
      text-transform:uppercase;
    }
    .line-grid{
      position:relative;
      overflow:hidden;
    }
    .line-grid::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(139,244,212,.35), transparent);
    }
    @media (max-width: 1024px){
      .container-wide{width:min(1200px, calc(100% - 1rem))}
    }
    @media (max-width: 768px){
      .section-title{font-size:1.4rem}
      .btn-primary,.btn-secondary,.chip{min-height:2.8rem}
      .panel{border-radius:24px}
    }
    @media (max-width: 520px){
      .container-wide{width:min(100%, calc(100% - .85rem))}
      .faq-item summary{padding:.95rem .95rem}
      .faq-item .faq-body{padding:0 .95rem .95rem}
    }