/* roulang page: index */
:root{
      --ink:#111413;
      --black:#0b0d0c;
      --panel:#1a201e;
      --panel-2:#222926;
      --line:#43514b;
      --mint:#69f0bf;
      --warm:#f4c85e;
      --magenta:#ee6baf;
      --mist:#d9e4de;
      --muted:#91a099;
      --shadow:4px 4px 0 rgba(0,0,0,.28);
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;background:var(--black)}
    body{
      margin:0;
      min-width:320px;
      color:var(--mist);
      background-color:var(--ink);
      background-image:
        linear-gradient(rgba(105,240,191,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(105,240,191,.035) 1px,transparent 1px);
      background-size:24px 24px;
      font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;
      line-height:1.65;
    }
    body::before{
      content:"";
      pointer-events:none;
      position:fixed;
      inset:0;
      z-index:20;
      opacity:.08;
      background:repeating-linear-gradient(0deg,rgba(255,255,255,.12) 0 1px,transparent 1px 4px);
      mix-blend-mode:overlay;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:2px solid var(--warm);
      outline-offset:3px;
    }
    ::selection{background:var(--mint);color:var(--black)}
    .pixel-border{
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      clip-path:polygon(0 5px,5px 5px,5px 0,calc(100% - 5px) 0,calc(100% - 5px) 5px,100% 5px,100% calc(100% - 5px),calc(100% - 5px) calc(100% - 5px),calc(100% - 5px) 100%,5px 100%,5px calc(100% - 5px),0 calc(100% - 5px));
    }
    .button-primary,.button-secondary{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      padding:.7rem 1rem;
      font-size:.875rem;
      font-weight:800;
      letter-spacing:0;
      transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
      clip-path:polygon(0 4px,4px 4px,4px 0,calc(100% - 4px) 0,calc(100% - 4px) 4px,100% 4px,100% calc(100% - 4px),calc(100% - 4px) calc(100% - 4px),calc(100% - 4px) 100%,4px 100%,4px calc(100% - 4px),0 calc(100% - 4px));
    }
    .button-primary{background:var(--mint);color:#0b1712;border:1px solid var(--mint)}
    .button-primary:hover{background:#94ffd5;transform:translateY(-2px)}
    .button-primary:active{transform:translateY(0)}
    .button-secondary{background:#151a18;color:var(--mist);border:1px solid var(--line)}
    .button-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:.5rem;color:var(--mint);
      font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.75rem;font-weight:800;
      letter-spacing:.06em;text-transform:uppercase;
    }
    .eyebrow::before{content:"";width:8px;height:8px;background:var(--mint);box-shadow:10px 0 0 rgba(105,240,191,.35)}
    .status-dot{width:8px;height:8px;border-radius:0;background:var(--mint);display:inline-block;box-shadow:0 0 0 2px rgba(105,240,191,.12)}
    .status-warm{background:var(--warm);box-shadow:0 0 0 2px rgba(244,200,94,.12)}
    .status-pink{background:var(--magenta);box-shadow:0 0 0 2px rgba(238,107,175,.12)}
    .nav-link{position:relative;color:#bac7c0;font-size:.875rem;font-weight:700;transition:color var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--mint)}
    .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--mint)}
    .metric-track{height:5px;background:#111614;border:1px solid #303b36;overflow:hidden}
    .metric-track span{display:block;height:100%;background:var(--mint)}
    .section-rule{height:1px;background:linear-gradient(90deg,var(--mint) 0 70px,var(--line) 70px 100%);opacity:.8}
    .matrix-card,.result-row,.faq-item,.news-item{transition:transform var(--ease),border-color var(--ease),background-color var(--ease)}
    .matrix-card:hover,.result-row:hover,.news-item:hover{transform:translateY(-2px);border-color:var(--mint)}
    .faq-answer{display:none}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--mint)}
    .faq-icon{transition:transform var(--ease),color var(--ease)}
    .mobile-menu{display:none}
    .mobile-menu.open{display:block}
    .form-field{
      width:100%;border:1px solid var(--line);border-radius:2px;
      background:#101513;color:var(--mist);padding:.8rem .85rem;min-height:46px;
      transition:border-color var(--ease),box-shadow var(--ease);
    }
    .form-field:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 2px rgba(105,240,191,.13)}
    .form-field::placeholder{color:#68766f}
    textarea.form-field{min-height:116px;resize:vertical}
    .table-scroll::-webkit-scrollbar{height:8px}
    ::-webkit-scrollbar{width:9px}
    ::-webkit-scrollbar-track{background:#101311}
    ::-webkit-scrollbar-thumb{background:#48564f;border:2px solid #101311}
    ::-webkit-scrollbar-thumb:hover{background:var(--mint)}
    @media (max-width:767px){
      .desktop-nav,.nav-actions .button-secondary{display:none}
      .nav-link.active::after{bottom:-4px}
      .hero-copy{padding-top:3.5rem}
      .desktop-only{display:none!important}
    }
    @media (max-width:520px){
      .button-primary,.button-secondary{padding:.68rem .75rem;font-size:.82rem}
      .metric-number{font-size:2rem!important}
    }

/* roulang page: category1 */
:root{
      --ink:#111413;
      --black:#0b0d0c;
      --panel:#1a201e;
      --panel-2:#222926;
      --line:#43514b;
      --mint:#69f0bf;
      --warm:#f4c85e;
      --magenta:#ee6baf;
      --mist:#d9e4de;
      --muted:#91a099;
      --shadow:4px 4px 0 rgba(0,0,0,.28);
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;background:var(--black)}
    body{
      margin:0;min-width:320px;color:var(--mist);background-color:var(--ink);
      background-image:linear-gradient(rgba(105,240,191,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(105,240,191,.035) 1px,transparent 1px);
      background-size:24px 24px;font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;line-height:1.65;
    }
    body::before{
      content:"";pointer-events:none;position:fixed;inset:0;z-index:20;opacity:.08;
      background:repeating-linear-gradient(0deg,rgba(255,255,255,.12) 0 1px,transparent 1px 4px);mix-blend-mode:overlay;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--warm);outline-offset:3px}
    .pixel-border{
      border:1px solid var(--line);box-shadow:var(--shadow);
      clip-path:polygon(0 5px,5px 5px,5px 0,calc(100% - 5px) 0,calc(100% - 5px) 5px,100% 5px,100% calc(100% - 5px),calc(100% - 5px) calc(100% - 5px),calc(100% - 5px) 100%,5px 100%,5px calc(100% - 5px),0 calc(100% - 5px));
    }
    .button-primary,.button-secondary{
      min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.7rem 1rem;
      font-size:.875rem;font-weight:800;letter-spacing:0;transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
      clip-path:polygon(0 4px,4px 4px,4px 0,calc(100% - 4px) 0,calc(100% - 4px) 4px,100% 4px,100% calc(100% - 4px),calc(100% - 4px) calc(100% - 4px),calc(100% - 4px) 100%,4px 100%,4px calc(100% - 4px),0 calc(100% - 4px));
    }
    .button-primary{background:var(--mint);color:#0b1712;border:1px solid var(--mint)}
    .button-primary:hover{background:#94ffd5;transform:translateY(-2px)}
    .button-primary:active{transform:translateY(0)}
    .button-secondary{background:#151a18;color:var(--mist);border:1px solid var(--line)}
    .button-secondary:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:.5rem;color:var(--mint);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
    .eyebrow::before{content:"";width:8px;height:8px;background:var(--mint);box-shadow:10px 0 0 rgba(105,240,191,.35)}
    .nav-link{position:relative;color:#bac7c0;font-size:.875rem;font-weight:700;transition:color var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--mint)}
    .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--mint)}
    .section-rule{height:1px;background:linear-gradient(90deg,var(--mint) 0 70px,var(--line) 70px 100%);opacity:.8}
    .matrix-card,.result-row,.faq-item,.news-item{transition:transform var(--ease),border-color var(--ease),background-color var(--ease)}
    .matrix-card:hover,.result-row:hover,.news-item:hover{transform:translateY(-2px);border-color:var(--mint)}
    .faq-answer{display:none}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--mint)}
    .faq-icon{transition:transform var(--ease),color var(--ease)}
    .mobile-menu{display:none}
    .mobile-menu.open{display:block}
    .form-field{width:100%;border:1px solid var(--line);border-radius:2px;background:#101513;color:var(--mist);padding:.8rem .85rem;min-height:46px;transition:border-color var(--ease),box-shadow var(--ease)}
    .form-field:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 2px rgba(105,240,191,.13)}
    .form-field::placeholder{color:#68766f}
    textarea.form-field{min-height:116px;resize:vertical}
    .desktop-nav,.nav-actions .button-secondary{display:none}
    .nav-link.active::after{bottom:-4px}
    .filter-option{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(67,81,75,.6);padding:11px 0;color:#bac7c0;font-size:14px;transition:color var(--ease)}
    .filter-option:hover{color:var(--mint)}
    .filter-option input{accent-color:var(--mint);width:16px;height:16px}
    .result-mark{width:8px;height:8px;display:inline-block;background:var(--mint);box-shadow:10px 0 0 rgba(105,240,191,.28)}
    .result-row{border:1px solid var(--line);background:rgba(26,32,30,.94);box-shadow:3px 3px 0 rgba(0,0,0,.22)}
    .selected-result{border-color:var(--mint);box-shadow:3px 3px 0 rgba(105,240,191,.11)}
    .tool-select{appearance:none;background:#151a18 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2369f0bf' stroke-width='2'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E") no-repeat right .8rem center;background-size:15px;border:1px solid var(--line);color:var(--mist);padding:.68rem 2.3rem .68rem .8rem}
    @media (min-width:768px){
      .desktop-nav,.nav-actions .button-secondary{display:flex}
      #menuToggle{display:none}
    }
    @media (max-width:767px){
      .desktop-nav,.nav-actions .button-secondary{display:none}
      .nav-link.active::after{bottom:-4px}
      .mobile-filter{display:none}
      .mobile-filter.open{display:block}
    }
    @media (max-width:520px){
      .button-primary,.button-secondary{padding:.68rem .75rem;font-size:.82rem}
      .result-actions{width:100%;justify-content:space-between}
    }