/* roulang page: index */
:root{
      --bg:#0f1115;
      --bg-soft:#151922;
      --bg-raised:#1a2029;
      --surface:#171c24;
      --surface-2:#202733;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.16);
      --text:#f3f6fb;
      --muted:#a9b1bc;
      --muted-2:#798290;
      --accent:#ff3d2e;
      --accent-2:#ffb000;
      --accent-3:#56c2ff;
      --success:#61d39b;
      --shadow:0 14px 34px rgba(0,0,0,.28);
      --shadow-soft:0 8px 18px rgba(0,0,0,.20);
      --radius:8px;
      --radius-sm:6px;
      --gap:24px;
      --section:84px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 110px),
        radial-gradient(1200px 500px at 10% -10%, rgba(255,61,46,.08), transparent 55%),
        radial-gradient(900px 420px at 100% 0%, rgba(255,176,0,.06), transparent 48%),
        var(--bg);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(255,61,46,.28);color:var(--text)}
    :focus-visible{outline:2px solid rgba(255,176,0,.8);outline-offset:2px}

    .skip-link{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:16px;
      top:16px;
      width:auto;
      height:auto;
      padding:10px 14px;
      background:var(--surface-2);
      border:1px solid var(--line-strong);
      border-radius:var(--radius);
      z-index:9999;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(15,17,21,.96);
      border-bottom:1px solid var(--line);
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-mark{
      width:10px;
      height:10px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 5px rgba(255,61,46,.12);
      flex:0 0 auto;
    }
    .brand strong{font-size:1.02rem}

    .title-bar,
    .top-bar{
      background:transparent;
      padding:0;
    }
    .title-bar{
      display:none;
      padding:14px 0;
      border-bottom:1px solid transparent;
    }
    .title-bar .brand strong{font-size:1rem}

    .top-bar{
      padding:16px 0;
      align-items:center;
    }
    .top-bar-left,
    .top-bar-right{
      display:flex;
      align-items:center;
    }
    .top-bar-right{
      margin-left:auto;
    }

    .nav-menu{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-menu li{margin:0}
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:10px 14px;
      color:var(--muted);
      border-radius:var(--radius-sm);
      transition:background .18s ease,color .18s ease,transform .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--text);
      background:rgba(255,255,255,.04);
      transform:translateY(-1px);
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:var(--text);
      background:rgba(255,61,46,.10);
    }
    .nav-link.active::after,
    .nav-link[aria-current="page"]::after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      bottom:6px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .menu-icon{
      width:44px;
      height:44px;
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
      box-shadow:none;
    }
    .menu-icon::after{
      background:
        linear-gradient(var(--text),var(--text)) center 11px/18px 2px no-repeat,
        linear-gradient(var(--text),var(--text)) center 21px/18px 2px no-repeat,
        linear-gradient(var(--text),var(--text)) center 31px/18px 2px no-repeat;
    }

    .section-pad{
      padding:var(--section) 0;
    }
    .section-alt{
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
      border-top:1px solid rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.04);
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      margin-bottom:14px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent-2);
      background:rgba(255,176,0,.08);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:0;
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-2);
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:24px;
    }
    .section-title{
      margin:0;
      font-size:2rem;
      line-height:1.15;
      letter-spacing:0;
      color:var(--text);
      font-weight:800;
    }
    .section-lead{
      margin:0;
      max-width:700px;
      color:var(--muted);
      font-size:1rem;
    }

    .hero{
      position:relative;
      padding:34px 0 28px;
      overflow:hidden;
    }
    .countdown-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 16px;
      margin-bottom:24px;
      border:1px solid rgba(255,176,0,.18);
      background:linear-gradient(90deg, rgba(255,61,46,.08), rgba(255,176,0,.08));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .countdown-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--text);
      font-weight:700;
    }
    .countdown-label::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(255,61,46,.15);
    }
    .countdown-value{
      color:var(--accent-2);
      font-weight:800;
      letter-spacing:0;
      text-align:right;
      white-space:nowrap;
    }
    .countdown-note{
      color:var(--muted);
      font-size:.92rem;
      white-space:nowrap;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(0,.95fr);
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      padding:28px;
      border:1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255,61,46,.08), rgba(255,255,255,.02) 36%, rgba(255,176,0,.05)),
        var(--surface);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .hero-copy h1{
      margin:0 0 14px;
      font-size:3rem;
      line-height:1.08;
      font-weight:900;
      letter-spacing:0;
      max-width:12ch;
    }
    .hero-copy p{
      margin:0 0 22px;
      max-width:42rem;
      color:var(--muted);
      font-size:1.05rem;
    }
    .button-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:18px;
    }
    .button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin:0;
      padding:12px 18px;
      border-radius:var(--radius);
      border:1px solid transparent;
      text-transform:none;
      font-weight:800;
      letter-spacing:0;
      transition:transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
      box-shadow:none;
      min-height:46px;
    }
    .button:hover{
      transform:translateY(-1px);
      box-shadow:var(--shadow-soft);
    }
    .button.primary{
      background:linear-gradient(135deg, var(--accent), #ff533a 62%, #ff7a21);
      color:#fff;
      border-color:rgba(255,255,255,.06);
    }
    .button.primary:hover{
      background:linear-gradient(135deg, #ff4d40, #ff6640 62%, #ff8c32);
      color:#fff;
    }
    .button.secondary{
      background:transparent;
      color:var(--text);
      border-color:var(--line-strong);
    }
    .button.secondary:hover{
      background:rgba(255,255,255,.05);
      color:var(--text);
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .trust-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.92rem;
    }
    .trust-chip i{
      color:var(--success);
    }

    .hero-stage{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px;
      border:1px solid var(--line);
      background:var(--bg-soft);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .stage-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:10px;
      border-bottom:1px solid var(--line);
    }
    .stage-head strong{
      font-size:1rem;
      color:var(--text);
    }
    .stage-head span{
      color:var(--muted);
      font-size:.88rem;
    }
    .stage-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,61,46,.09);
      border:1px solid rgba(255,61,46,.16);
      color:#ffd9d4;
      font-size:.85rem;
      font-weight:700;
    }
    .stage-badge .pulse{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(255,61,46,.16);
    }
    .stage-row{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
    }
    .stage-mark{
      width:42px;
      height:42px;
      border-radius:12px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      color:var(--accent-2);
      font-weight:900;
    }
    .stage-copy strong{
      display:block;
      margin-bottom:4px;
      color:var(--text);
      font-size:1rem;
    }
    .stage-copy p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
      padding-top:4px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      font-size:.86rem;
      white-space:nowrap;
    }
    .tag.hot{
      background:rgba(255,176,0,.10);
      color:#ffe3a4;
      border-color:rgba(255,176,0,.20);
    }
    .tag.new{
      background:rgba(86,194,255,.10);
      color:#d1efff;
      border-color:rgba(86,194,255,.18);
    }

    .card{
      border:1px solid var(--line);
      background:var(--surface);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      height:100%;
    }
    .card-inner{
      padding:18px;
    }
    .card-title{
      margin:0 0 10px;
      font-size:1.05rem;
      line-height:1.35;
      font-weight:800;
      color:var(--text);
    }
    .card-text{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
    }

    .pain-grid,
    .metric-grid,
    .testimony-grid,
    .faq-grid{
      display:grid;
      gap:16px;
    }
    .pain-grid{
      grid-template-columns:repeat(4, minmax(0,1fr));
    }
    .pain-card{
      position:relative;
      padding:20px 18px 18px;
    }
    .pain-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      margin-bottom:12px;
      border-radius:12px;
      background:rgba(255,61,46,.09);
      border:1px solid rgba(255,61,46,.18);
      color:#ffd2cd;
      font-weight:900;
      font-size:.92rem;
    }
    .pain-card h3{
      margin:0 0 8px;
      font-size:1.05rem;
      line-height:1.35;
      font-weight:800;
    }
    .pain-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:.95rem;
    }
    .mini-bar{
      height:5px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .mini-bar span{
      display:block;
      height:100%;
      width:68%;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      border-radius:inherit;
    }

    .solution-grid{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:20px;
      align-items:stretch;
    }
    .solution-copy{
      padding:12px 4px;
    }
    .solution-copy .section-title{
      margin-bottom:14px;
    }
    .solution-copy p{
      margin:0 0 18px;
      color:var(--muted);
      max-width:40rem;
    }
    .solution-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .solution-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:12px 14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      border-radius:var(--radius);
    }
    .solution-list .num{
      flex:0 0 auto;
      width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(255,176,0,.10);
      border:1px solid rgba(255,176,0,.18);
      color:#ffe3a2;
      font-weight:900;
      font-size:.86rem;
    }
    .solution-list strong{
      display:block;
      margin-bottom:3px;
      color:var(--text);
      font-size:.98rem;
    }
    .solution-list span{
      color:var(--muted);
      font-size:.94rem;
    }
    .solution-panel{
      padding:18px;
      border:1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255,176,0,.08), rgba(255,255,255,.02) 30%, rgba(255,61,46,.05)),
        var(--bg-raised);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .solution-panel h3{
      margin:0 0 12px;
      font-size:1.1rem;
      font-weight:800;
    }
    .step-flow{
      display:grid;
      gap:12px;
      margin-bottom:16px;
    }
    .step{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:14px;
      border-radius:var(--radius);
      background:var(--surface);
      border:1px solid var(--line);
    }
    .step .circle{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      background:rgba(255,61,46,.10);
      border:1px solid rgba(255,61,46,.18);
      color:#ffd9d4;
      font-weight:900;
    }
    .step strong{
      display:block;
      margin-bottom:4px;
      color:var(--text);
      font-size:.98rem;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .solution-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .solution-tags .tag{
      background:rgba(255,255,255,.04);
    }

    .metric-grid{
      grid-template-columns:repeat(4, minmax(0,1fr));
      margin-bottom:20px;
    }
    .metric-card{
      padding:20px 18px;
      text-align:left;
    }
    .metric-number{
      display:block;
      margin-bottom:6px;
      color:#fff;
      font-size:2.3rem;
      line-height:1;
      font-weight:900;
      letter-spacing:0;
    }
    .metric-label{
      display:block;
      margin-bottom:10px;
      color:var(--text);
      font-weight:800;
      font-size:.98rem;
    }
    .metric-note{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }

    .updates-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
      gap:16px;
      align-items:stretch;
    }
    .news-panel{
      padding:18px;
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .panel-title h3{
      margin:0;
      font-size:1.08rem;
      font-weight:800;
    }
    .panel-title .hint{
      color:var(--muted-2);
      font-size:.9rem;
    }
    .news-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .news-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
    }
    .news-list li:last-child{border-bottom:none;padding-bottom:0}
    .news-link{
      display:block;
      flex:1;
      min-width:0;
      color:var(--text);
      font-weight:700;
      transition:color .16s ease, transform .16s ease;
    }
    .news-link:hover{
      color:var(--accent-2);
      transform:translateX(2px);
    }
    .news-meta{
      flex:0 0 auto;
      color:var(--muted-2);
      font-size:.88rem;
      white-space:nowrap;
    }
    .side-note{
      padding:18px;
      background:linear-gradient(180deg, rgba(255,61,46,.08), rgba(255,255,255,.02));
    }
    .side-note p{
      margin:0 0 14px;
      color:var(--muted);
    }
    .side-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .side-note .button{
      width:100%;
    }

    .testimony-grid{
      grid-template-columns:repeat(12, minmax(0,1fr));
    }
    .quote-card{
      padding:18px;
    }
    .quote-card.feature{
      grid-column:span 6;
      padding:24px;
      background:
        linear-gradient(135deg, rgba(86,194,255,.08), rgba(255,255,255,.02) 42%, rgba(255,61,46,.05)),
        var(--surface);
    }
    .quote-card.small{
      grid-column:span 3;
    }
    .quote-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .quote-name{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--text);
    }
    .avatar{
      width:36px;
      height:36px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(255,61,46,.18), rgba(255,176,0,.18));
      border:1px solid var(--line);
      color:#fff;
      font-size:.88rem;
      font-weight:900;
    }
    .quote-tag{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.85rem;
      white-space:nowrap;
    }
    .quote-card blockquote{
      margin:0;
      color:var(--text);
      font-size:1.02rem;
      line-height:1.75;
    }
    .quote-foot{
      margin-top:14px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .cta-band{
      padding:26px;
      border:1px solid rgba(255,176,0,.18);
      border-radius:var(--radius);
      background:
        linear-gradient(135deg, rgba(255,61,46,.16), rgba(255,176,0,.08) 55%, rgba(255,255,255,.02)),
        var(--bg-raised);
      box-shadow:var(--shadow);
    }
    .cta-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
      gap:20px;
      align-items:center;
    }
    .cta-copy h2{
      margin:0 0 12px;
      font-size:2rem;
      line-height:1.15;
      font-weight:900;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
      max-width:44rem;
    }
    .cta-actions{
      display:flex;
      justify-content:flex-end;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
    }
    .cta-actions .button{
      min-width:160px;
    }
    .cta-stamp{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.9rem;
    }

    .accordion{
      background:transparent;
      border:0;
      margin:0;
      list-style:none;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      background:var(--surface);
      box-shadow:var(--shadow-soft);
    }
    .accordion-title{
      position:relative;
      padding:18px 48px 18px 18px;
      color:var(--text);
      font-weight:800;
      line-height:1.5;
      border:0;
      background:transparent;
    }
    .accordion-title::before{
      content:"\f078";
      font-family:"Font Awesome 6 Free";
      font-weight:900;
      position:absolute;
      right:18px;
      top:50%;
      transform:translateY(-50%);
      color:var(--accent-2);
      transition:transform .18s ease;
    }
    .is-active > .accordion-title::before{
      transform:translateY(-50%) rotate(180deg);
    }
    .accordion-content{
      padding:0 18px 18px;
      border:0;
      color:var(--muted);
      background:transparent;
    }
    .accordion-content p{
      margin:0;
    }

    .site-footer{
      padding:34px 0 26px;
      border-top:1px solid var(--line);
      background:rgba(255,255,255,.01);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr) minmax(0,.8fr);
      gap:18px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:34rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color .16s ease, transform .16s ease;
    }
    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }
    .footer-meta{
      color:var(--muted-2);
      font-size:.92rem;
    }
    .footer-line{
      margin-top:20px;
      padding-top:16px;
      border-top:1px solid var(--line);
      color:var(--muted-2);
      font-size:.9rem;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
    }

    .badge-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      font-size:.86rem;
    }
    .badge.hot{
      color:#ffe1a0;
      border-color:rgba(255,176,0,.18);
      background:rgba(255,176,0,.08);
    }
    .badge.cool{
      color:#d8f0ff;
      border-color:rgba(86,194,255,.18);
      background:rgba(86,194,255,.08);
    }

    @media screen and (max-width: 1024px){
      .hero-grid,
      .solution-grid,
      .updates-grid,
      .cta-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .pain-grid,
      .metric-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .quote-card.feature,
      .quote-card.small{
        grid-column:span 6;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }

    @media screen and (max-width: 768px){
      .section-pad{padding:64px 0}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-title{font-size:1.72rem}
      .hero-copy{
        padding:22px;
      }
      .hero-copy h1{
        font-size:2.25rem;
        max-width:none;
      }
      .countdown-bar{
        align-items:flex-start;
        flex-direction:column;
      }
      .countdown-value{
        text-align:left;
      }
      .pain-grid,
      .metric-grid{
        grid-template-columns:1fr;
      }
      .quote-card.feature,
      .quote-card.small{
        grid-column:span 12;
      }
      .top-bar{
        display:none;
      }
      .title-bar{
        display:block;
      }
      .title-bar .container,
      .top-bar .container{
        display:flex;
        align-items:center;
        justify-content:space-between;
      }
      .title-bar .menu-icon{
        margin-left:auto;
      }
      #site-menu{
        display:none;
        padding:0 0 14px;
      }
      #site-menu.is-open{
        display:block;
      }
      .nav-menu{
        width:100%;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding-top:12px;
      }
      .nav-link{
        width:100%;
        justify-content:space-between;
        padding:12px 14px;
        background:rgba(255,255,255,.03);
        border:1px solid var(--line);
      }
      .nav-link.active::after,
      .nav-link[aria-current="page"]::after{
        left:auto;
        right:14px;
        bottom:auto;
        top:50%;
        width:20px;
        transform:translateY(-50%);
      }
    }

    @media screen and (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero{
        padding-top:22px;
      }
      .hero-copy h1{
        font-size:2rem;
      }
      .button-row .button,
      .cta-actions .button{
        width:100%;
      }
      .countdown-value{
        white-space:normal;
      }
      .accordion-title{
        padding-right:42px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#0f1114;
      --bg-2:#14181e;
      --panel:#171b21;
      --panel-2:#1d232c;
      --panel-3:#232a34;
      --text:#f4f7fb;
      --muted:#a7b0bd;
      --faint:#798392;
      --border:#2a313d;
      --border-2:#394150;
      --accent:#ff4d2d;
      --accent-2:#ffb000;
      --accent-3:#3fd0a6;
      --accent-4:#7ab7ff;
      --shadow:0 10px 28px rgba(0,0,0,.24);
      --shadow-soft:0 8px 18px rgba(0,0,0,.16);
      --radius:8px;
      --radius-sm:6px;
      --gap:20px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background-color:var(--bg);
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.65;
      overflow-x:hidden;
      background-image:
        linear-gradient(180deg, rgba(255,255,255,.025) 0, rgba(255,255,255,0) 10%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 84px);
      background-attachment: fixed;
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,77,45,.28);color:var(--text)}
    .visually-hidden{
      position:absolute!important;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(15,17,20,.96);
      border-bottom:1px solid var(--border);
      box-shadow:0 2px 0 rgba(255,255,255,.01);
      backdrop-filter:saturate(120%);
    }

    .title-bar{
      padding:12px 0;
      display:none;
      border-bottom:1px solid transparent;
    }

    .title-bar .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
    }

    .brand strong{
      font-size:1rem;
      line-height:1.15;
    }

    .brand-mark{
      width:28px;
      height:28px;
      border-radius:6px;
      background:
        linear-gradient(135deg, var(--accent) 0 55%, var(--accent-2) 55% 100%);
      position:relative;
      flex:0 0 auto;
      box-shadow:0 0 0 1px rgba(255,255,255,.08) inset;
    }

    .brand-mark::after{
      content:"";
      position:absolute;
      inset:5px;
      border:1px solid rgba(255,255,255,.34);
      border-radius:4px;
    }

    .menu-icon{
      width:44px;
      height:44px;
      border-radius:6px;
      border:1px solid var(--border);
      background:var(--panel);
      position:relative;
      box-shadow:var(--shadow-soft);
    }

    .menu-icon::before,
    .menu-icon::after{
      content:"";
      position:absolute;
      left:50%;
      width:18px;
      height:2px;
      border-radius:2px;
      background:var(--text);
      transform:translateX(-50%);
      box-shadow:0 6px 0 var(--text), 0 -6px 0 var(--text);
      top:50%;
      margin-top:-1px;
    }

    .top-bar{
      background:transparent;
      padding:16px 0;
    }

    .top-bar .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }

    .top-bar-left,.top-bar-right{
      display:flex;
      align-items:center;
      gap:18px;
      min-width:0;
    }

    .nav-menu{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 14px;
      border-radius:6px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      font-weight:700;
    }

    .nav-link:hover,
    .nav-link:focus{
      color:var(--text);
      border-color:var(--border-2);
      background:rgba(255,255,255,.02);
      transform:translateY(-1px);
    }

    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#111;
      background:linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
      border-color:transparent;
      box-shadow:0 8px 18px rgba(255,77,45,.16);
    }

    .page-main{
      padding:26px 0 48px;
    }

    .summary-strip,
    .filter-section,
    .entries-section,
    .compare-section,
    .faq-section{
      margin-bottom:24px;
    }

    .summary-strip .panel,
    .filter-panel,
    .compare-panel,
    .faq-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)) , var(--panel);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }

    .summary-panel{
      padding:24px;
      position:relative;
      overflow:hidden;
    }

    .summary-panel::before{
      content:"";
      position:absolute;
      left:0;top:0;right:0;
      height:3px;
      background:linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);
    }

    .summary-grid{
      display:grid;
      grid-template-columns:minmax(0,1.4fr) minmax(320px,.9fr);
      gap:22px;
      align-items:stretch;
    }

    .eyebrow,
    .section-kicker,
    .mini-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent-2);
      font-size:.82rem;
      font-weight:800;
      text-transform:none;
      margin-bottom:10px;
    }

    .summary-copy h1,
    .section-head h2,
    .compare-copy h2,
    .faq-section h2{
      margin:0;
      font-weight:900;
      letter-spacing:0;
      line-height:1.18;
    }

    .summary-copy h1{
      font-size:clamp(1.8rem, 3vw, 2.7rem);
      max-width:12ch;
    }

    .summary-copy p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:64ch;
      font-size:1rem;
    }

    .summary-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .badge-chip,
    .status-chip,
    .tag,
    .chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:32px;
      padding:0 11px;
      border-radius:6px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.02);
      color:var(--text);
      font-size:.82rem;
      font-weight:700;
      line-height:1;
    }

    .badge-chip strong,
    .status-chip strong{
      font-weight:800;
    }

    .summary-board{
      display:grid;
      gap:14px;
      grid-template-columns:repeat(2, minmax(0,1fr));
    }

    .mini-card,
    .signal-card{
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:var(--panel-2);
      padding:16px;
      min-height:100%;
      box-shadow:0 1px 0 rgba(255,255,255,.02) inset;
    }

    .mini-card strong,
    .signal-card strong{
      display:block;
      font-size:1.4rem;
      line-height:1.1;
      margin-top:6px;
    }

    .mini-card p,
    .signal-card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.92rem;
    }

    .signal-card{
      grid-column:1 / -1;
      display:grid;
      gap:12px;
    }

    .signal-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:.86rem;
    }

    .bar{
      height:8px;
      border-radius:999px;
      background:var(--panel-3);
      overflow:hidden;
      border:1px solid var(--border);
    }

    .bar b{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
    }

    .filter-panel{
      padding:20px;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }

    .section-head h2{
      font-size:1.45rem;
    }

    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:62ch;
    }

    .section-tools{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      height:44px;
      min-width:min(100%, 320px);
      padding:0 14px;
      border-radius:6px;
      border:1px solid var(--border);
      background:var(--panel-2);
    }

    .search-box i{
      width:16px;
      height:16px;
      color:var(--muted);
      flex:0 0 auto;
    }

    .search-box input{
      flex:1;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      padding:0;
      min-width:0;
    }

    .search-box input::placeholder{
      color:var(--faint);
    }

    .sort-select{
      height:44px;
      min-width:170px;
      border-radius:6px;
      border:1px solid var(--border);
      background:var(--panel-2);
      color:var(--text);
      padding:0 12px;
      outline:none;
    }

    .sort-select:focus,
    .search-box:focus-within,
    .chip:focus,
    .entry-card__action:focus,
    .footer-links a:focus,
    .nav-link:focus,
    .button-link:focus,
    .accordion-title:focus{
      box-shadow:0 0 0 3px rgba(255,176,0,.18);
      border-color:rgba(255,176,0,.55);
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:6px;
    }

    .chip{
      transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      background:var(--panel-2);
    }

    .chip:hover{
      transform:translateY(-1px);
      border-color:var(--accent-2);
      color:var(--text);
    }

    .chip.is-active{
      background:linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
      color:#121212;
      border-color:transparent;
      box-shadow:0 8px 18px rgba(255,77,45,.16);
    }

    .entries-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:18px;
    }

    .entry-card{
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:var(--panel);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
      box-shadow:var(--shadow-soft);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .entry-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,176,0,.55);
      box-shadow:var(--shadow);
    }

    .entry-card__cover{
      position:relative;
      min-height:160px;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(135deg, rgba(255,77,45,.26), rgba(255,176,0,.12)),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
      border-bottom:1px solid var(--border);
    }

    .entry-card__cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, transparent 0 38%, rgba(255,255,255,.07) 38% 40%, transparent 40% 100%),
        linear-gradient(180deg, rgba(15,17,20,.02), rgba(15,17,20,.08));
      pointer-events:none;
      mix-blend-mode:screen;
    }

    .entry-number{
      position:relative;
      z-index:1;
      font-size:2rem;
      font-weight:900;
      line-height:1;
      letter-spacing:0;
    }

    .entry-number span{
      display:block;
      margin-top:6px;
      font-size:.82rem;
      color:rgba(255,255,255,.78);
      font-weight:700;
    }

    .cover-flags{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      justify-content:flex-start;
    }

    .flag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:6px;
      background:rgba(15,17,20,.55);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      font-size:.76rem;
      font-weight:800;
    }

    .entry-card__body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      flex:1;
    }

    .entry-card__body h3{
      margin:0;
      font-size:1.08rem;
      line-height:1.35;
      font-weight:900;
    }

    .entry-card__body p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }

    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
    }

    .tag{
      background:rgba(255,255,255,.03);
      color:#dfe6ef;
    }

    .status-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:auto;
      padding-top:4px;
    }

    .status-line{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:.84rem;
      flex:1 1 auto;
      min-width:0;
    }

    .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(63,208,166,.12);
      flex:0 0 auto;
    }

    .button-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:40px;
      padding:0 14px;
      border-radius:6px;
      border:1px solid rgba(255,176,0,.55);
      background:linear-gradient(135deg, rgba(255,77,45,.96), rgba(255,176,0,.96));
      color:#121212;
      font-weight:800;
      transition:transform .18s ease, filter .18s ease, box-shadow .18s ease;
      box-shadow:0 8px 16px rgba(255,77,45,.12);
      white-space:nowrap;
    }

    .button-link:hover{
      transform:translateY(-1px);
      filter:brightness(1.03);
      color:#121212;
    }

    .button-link.secondary{
      background:transparent;
      color:var(--text);
      border-color:var(--border-2);
      box-shadow:none;
    }

    .button-link.secondary:hover{
      border-color:var(--accent-2);
      color:var(--text);
    }

    .compare-panel{
      padding:20px;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);
      gap:18px;
    }

    .compare-copy h2{
      font-size:1.35rem;
      margin-bottom:10px;
    }

    .compare-copy p{
      margin:0 0 14px;
      color:var(--muted);
      max-width:62ch;
    }

    .compare-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }

    .compare-list li{
      display:grid;
      grid-template-columns:108px minmax(0,1fr);
      gap:12px;
      align-items:start;
      padding:14px 0;
      border-top:1px solid var(--border);
    }

    .compare-list li:first-child{
      border-top:0;
      padding-top:0;
    }

    .compare-list strong{
      color:#fff;
      font-size:.95rem;
    }

    .compare-list span{
      color:var(--muted);
      font-size:.92rem;
    }

    .tag-panel{
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:var(--panel-2);
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:16px;
    }

    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .tag-cloud .tag{
      background:rgba(255,255,255,.04);
      color:var(--text);
    }

    .meter-stack{
      display:grid;
      gap:12px;
    }

    .meter-row{
      display:grid;
      gap:7px;
    }

    .meter-row > div,
    .meter-row label{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-size:.88rem;
      color:var(--muted);
    }

    .meter-row .bar{
      height:7px;
    }

    .faq-panel{
      padding:18px 20px 8px;
    }

    .faq-section h2{
      font-size:1.35rem;
      margin-bottom:12px;
    }

    .accordion{
      background:transparent;
      margin:0;
    }

    .accordion-item{
      border:1px solid var(--border);
      border-radius:var(--radius);
      overflow:hidden;
      margin-bottom:12px;
      background:var(--panel-2);
    }

    .accordion-title{
      color:var(--text);
      background:transparent;
      padding:16px 18px;
      font-size:1rem;
      font-weight:800;
      border:0;
      outline:none;
    }

    .accordion-title::before{
      right:18px;
      left:auto;
      margin-top:-2px;
      border-color:var(--accent-2) transparent transparent;
    }

    .is-active > .accordion-title{
      background:rgba(255,255,255,.02);
      color:#fff;
    }

    .accordion-content{
      color:var(--muted);
      padding:0 18px 16px;
      border:0;
      background:transparent;
    }

    .faq-note{
      margin-top:14px;
      color:var(--faint);
      font-size:.88rem;
    }

    .site-footer{
      background:var(--bg-2);
      border-top:1px solid var(--border);
      margin-top:30px;
      padding:28px 0 18px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(170px,.7fr) minmax(220px,.9fr);
      gap:22px;
      align-items:start;
    }

    .footer-brand p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:42ch;
    }

    .panel-title h3{
      margin:0;
      font-size:1rem;
      font-weight:900;
      line-height:1.2;
    }

    .footer-links{
      display:grid;
      gap:10px;
    }

    .footer-links a{
      color:var(--muted);
      transition:color .18s ease, transform .18s ease;
    }

    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }

    .footer-meta p{
      color:var(--muted);
      font-size:.92rem;
    }

    .footer-line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding-top:16px;
      margin-top:18px;
      border-top:1px solid var(--border);
      color:var(--faint);
      font-size:.88rem;
    }

    .foundation-hack{
      display:none;
    }

    @media (max-width: 1080px){
      .summary-grid,
      .compare-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }

      .summary-board{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }

      .entries-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 768px){
      .title-bar{display:block}
      .top-bar{
        padding:0 0 12px;
      }
      .top-bar .container{
        flex-direction:column;
        align-items:stretch;
      }
      .top-bar-left{
        display:none;
      }
      .nav-menu{
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        width:100%;
        padding-top:12px;
      }
      .nav-link{
        width:100%;
        justify-content:flex-start;
      }
      .summary-panel,
      .filter-panel,
      .compare-panel,
      .faq-panel{
        padding:18px;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-tools{
        width:100%;
        justify-content:stretch;
      }
      .search-box,
      .sort-select{
        width:100%;
        min-width:0;
      }
      .entries-grid{
        grid-template-columns:1fr;
      }
      .compare-list li{
        grid-template-columns:1fr;
        gap:6px;
      }
      .footer-line{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(100% - 24px, var(--container));
      }
      .page-main{
        padding-top:20px;
      }
      .summary-copy h1{
        max-width:100%;
        font-size:1.7rem;
      }
      .summary-board{
        grid-template-columns:1fr;
      }
      .mini-card strong{
        font-size:1.25rem;
      }
      .entry-card__cover{
        min-height:146px;
      }
      .entry-card__body{
        padding:16px;
      }
      .accordion-title{
        padding:14px 16px;
        padding-right:48px;
      }
      .accordion-content{
        padding:0 16px 14px;
      }
      .button-link,
      .chip,
      .nav-link{
        min-height:42px;
      }
    }

    .entry-card.is-hidden{
      display:none !important;
    }

    .top-bar .is-dropdown-submenu{
      display:none;
    }

    .body-topline{
      height:3px;
      background:linear-gradient(90deg, var(--accent) 0, var(--accent-2) 60%, var(--accent-3) 100%);
    }