/* roulang page: index */
:root{
      --bg:#09090f;
      --bg-soft:#0f111a;
      --card:#11131d;
      --card-2:#151926;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.18);
      --text:#f4f7fb;
      --muted:#aab3c7;
      --muted-2:#7f8aa4;
      --pink:#ff4fd8;
      --cyan:#39e7ff;
      --lime:#d8ff5f;
      --amber:#ffbf66;
      --white:#ffffff;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --shadow-soft:0 12px 32px rgba(0,0,0,.24);
      --r-xl:26px;
      --r-lg:22px;
      --r-md:18px;
      --r-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,79,216,.14), transparent 26%),
        radial-gradient(circle at 85% 15%, rgba(57,231,255,.14), transparent 22%),
        radial-gradient(circle at 60% 110%, rgba(216,255,95,.08), transparent 26%),
        linear-gradient(180deg, #07070c 0%, #0a0b12 42%, #090b10 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.12;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.6), rgba(0,0,0,.1));
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,79,216,.28);color:#fff}
    .container{
      width:min(var(--max), calc(100% - 32px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(20px);
      background: linear-gradient(180deg, rgba(7,8,12,.88), rgba(7,8,12,.62));
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .brand-mark{
      display:inline-flex;
      align-items:center;
      gap:.7rem;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-dot{
      width:14px;height:14px;border-radius:50%;
      background: linear-gradient(135deg, var(--pink), var(--cyan));
      box-shadow: 0 0 0 6px rgba(255,79,216,.08), 0 0 24px rgba(57,231,255,.18);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      padding:.6rem .95rem;
      border-radius:999px;
      color:var(--muted);
      transition:all .22s ease;
      border:1px solid transparent;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
      transform: translateY(-1px);
      outline:none;
    }
    .nav-link.active{
      color:#0b0d12;
      background: linear-gradient(135deg, var(--lime), #fff08c);
      box-shadow: 0 10px 28px rgba(216,255,95,.18);
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
        linear-gradient(180deg, rgba(21,25,38,.9), rgba(12,14,21,.92));
      box-shadow: var(--shadow);
      border-radius: 34px;
    }
    .hero-shell:after{
      content:"";
      position:absolute;
      inset:auto -10% -25% auto;
      width:320px;height:320px;
      background: radial-gradient(circle, rgba(57,231,255,.22), transparent 68%);
      filter: blur(8px);
      pointer-events:none;
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:-10% auto auto -8%;
      width:280px;height:280px;
      background: radial-gradient(circle, rgba(255,79,216,.18), transparent 68%);
      filter: blur(14px);
      pointer-events:none;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.38rem .8rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color:#d7def1;
      font-size:.92rem;
    }
    .section{
      padding: 18px 0;
    }
    .section-title{
      font-size: clamp(1.45rem, 2vw, 2.1rem);
      line-height:1.16;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      color:var(--muted);
      max-width: 68ch;
    }
    .panel{
      border:1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(21,25,38,.88), rgba(14,17,28,.92));
      box-shadow: var(--shadow-soft);
      border-radius: var(--r-xl);
    }
    .panel-soft{
      border:1px solid rgba(255,255,255,.06);
      background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border-radius: var(--r-lg);
    }
    .card{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)),
        linear-gradient(180deg, rgba(20,23,35,.98), rgba(13,16,25,.98));
      border-radius: var(--r-xl);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      box-shadow: 0 10px 24px rgba(0,0,0,.18);
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 20px 40px rgba(0,0,0,.28);
      border-color: rgba(57,231,255,.24);
    }
    .card-glow:after{
      content:"";
      position:absolute;
      inset:auto -20% -35% auto;
      width:180px;height:180px;
      border-radius:50%;
      background: radial-gradient(circle, rgba(255,79,216,.16), transparent 70%);
      pointer-events:none;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.34rem .7rem;
      border-radius:999px;
      font-size:.83rem;
      color:#eff4ff;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
    }
    .tag-hot{
      color:#170f04;
      background: linear-gradient(135deg, var(--lime), #fff08b);
      border-color: transparent;
    }
    .tag-cyan{
      color:#061116;
      background: linear-gradient(135deg, #8cf6ff, var(--cyan));
      border-color: transparent;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      min-height:48px;
      padding:.78rem 1.15rem;
      border-radius:999px;
      font-weight:700;
      transition:all .22s ease;
      border:1px solid transparent;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover,
    .btn:focus-visible{
      transform: translateY(-1px);
      outline:none;
    }
    .btn-primary{
      color:#081017;
      background: linear-gradient(135deg, var(--lime), #fff08b);
      box-shadow: 0 12px 28px rgba(216,255,95,.16);
    }
    .btn-primary:hover{box-shadow:0 18px 34px rgba(216,255,95,.22)}
    .btn-secondary{
      color:var(--text);
      background: rgba(255,255,255,.03);
      border-color: rgba(255,255,255,.14);
    }
    .btn-secondary:hover{
      background: rgba(255,255,255,.06);
      border-color: rgba(57,231,255,.28);
    }
    .btn-ghost{
      color:var(--muted);
      background: transparent;
      border-color: transparent;
    }
    .btn-ghost:hover{color:var(--text);background:rgba(255,255,255,.05)}
    .metric{
      padding:1.2rem;
      border-radius: 22px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      position:relative;
      overflow:hidden;
    }
    .metric:before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:22px;
      padding:1px;
      background: linear-gradient(135deg, rgba(255,79,216,.45), rgba(57,231,255,.35), rgba(216,255,95,.36));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
              mask-composite: exclude;
      pointer-events:none;
    }
    .metric-value{
      font-size: clamp(2rem, 3vw, 3.35rem);
      line-height:1;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .metric-note{
      color:var(--muted);
      font-size:.96rem;
    }
    .ribbon{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.45rem .72rem;
      border-radius:999px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dfe6ff;
    }
    .list-line{
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .list-line:last-child{border-bottom:none}
    .list-link{
      display:block;
      padding:1rem 0;
      transition:color .2s ease, transform .2s ease;
    }
    .list-link:hover{color:#fff;transform:translateX(2px)}
    .mini-table{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:.8rem;
    }
    .compare{
      padding:1rem 1.1rem;
      border-radius:18px;
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .compare strong{display:block;margin-bottom:.2rem}
    .compare p{color:var(--muted);font-size:.95rem;line-height:1.6;margin:0}
    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap:1rem;
    }
    .step{
      padding:1.15rem;
      border-radius: 22px;
      background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.08);
      position:relative;
      overflow:hidden;
    }
    .step .num{
      width:40px;height:40px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      font-weight:800;
      color:#081017;
      background: linear-gradient(135deg, var(--lime), #fff08b);
      box-shadow: 0 12px 24px rgba(216,255,95,.14);
    }
    .step .txt{color:var(--muted);font-size:.95rem;line-height:1.65}
    .faq-item{
      border:1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border-radius: 20px;
      overflow:hidden;
    }
    .faq-btn{
      width:100%;
      padding:1rem 1.05rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:var(--text);
      text-align:left;
      background:transparent;
      border:0;
      cursor:pointer;
    }
    .faq-btn span{
      font-weight:700;
      line-height:1.5;
    }
    .faq-icon{
      flex:0 0 auto;
      width:28px;height:28px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background: rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      transition: transform .2s ease, background .2s ease;
    }
    .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(57,231,255,.12)}
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .32s ease;
    }
    .faq-panel-inner{
      padding:0 1.05rem 1rem;
      color:var(--muted);
    }
    .note-box{
      border-radius: 22px;
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at top right, rgba(57,231,255,.12), transparent 28%),
        radial-gradient(circle at bottom left, rgba(255,79,216,.12), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
    }
    .form-field{
      width:100%;
      padding: .92rem 1rem;
      border-radius: 16px;
      border:1px solid rgba(255,255,255,.12);
      color:var(--text);
      background: rgba(8,10,16,.72);
      outline:none;
      transition: all .2s ease;
    }
    .form-field::placeholder{color:#74819c}
    .form-field:focus{
      border-color: rgba(57,231,255,.4);
      box-shadow: 0 0 0 4px rgba(57,231,255,.10);
    }
    .footer{
      border-top:1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(9,10,15,.3), rgba(9,10,15,.72));
    }
    .footer-link{
      color:var(--muted);
      transition:color .2s ease;
    }
    .footer-link:hover{color:#fff}
    .tabbar{
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:60;
      display:none;
      background: rgba(7,8,12,.92);
      backdrop-filter: blur(20px);
      border-top:1px solid rgba(255,255,255,.08);
      box-shadow: 0 -14px 38px rgba(0,0,0,.34);
    }
    .tabbar a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:.28rem;
      padding:.7rem .25rem;
      color:var(--muted);
      font-size:.76rem;
      transition:color .2s ease, transform .2s ease;
    }
    .tabbar a:hover,.tabbar a.active{color:#fff}
    .tabbar .dot{
      width:1.05rem;height:1.05rem;border-radius:50%;
      background: linear-gradient(135deg, rgba(255,255,255,.14), rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.08);
    }
    .mobile-note{
      display:none;
    }
    @media (max-width: 1024px){
      .steps{grid-template-columns: repeat(2, minmax(0, 1fr));}
      .hero-grid{grid-template-columns: 1fr;}
    }
    @media (max-width: 768px){
      .site-header .desktop-nav{display:none}
      .section{padding:14px 0}
      .hero-shell{border-radius:28px}
      .mobile-note{display:block}
      .mini-table{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .container{width:min(var(--max), calc(100% - 20px))}
      .tabbar{display:block}
      body{padding-bottom:78px}
    }
    @media (max-width: 520px){
      .section-title{font-size:1.35rem}
      .metric-value{font-size:2rem}
      .card, .panel, .hero-shell{border-radius:24px}
      .btn{min-height:44px;padding:.72rem 1rem}
    }
    .progress-bar{
      width:100%;
      height:10px;
      border-radius:999px;
      background: rgba(255,255,255,.07);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .progress-bar > span{
      display:block;
      height:100%;
      width:76%;
      border-radius:inherit;
      background: linear-gradient(90deg, var(--pink), var(--cyan), var(--lime));
      box-shadow: 0 0 24px rgba(57,231,255,.22);
    }
    .scroll-x{
      scrollbar-width: thin;
      scrollbar-color: rgba(255,255,255,.2) transparent;
    }
    .scroll-x::-webkit-scrollbar{height:8px}
    .scroll-x::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
    .scroll-x::-webkit-scrollbar-track{background:transparent}

/* roulang page: category1 */
:root{
      --bg:#0b0d12;
      --bg-soft:#11141b;
      --panel:#121722;
      --panel-2:#171d2a;
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(255,255,255,.14);
      --text:#eef2ff;
      --muted:#9aa4bc;
      --muted-2:#7e889f;
      --accent:#ff4d8d;
      --accent-2:#28f0d4;
      --accent-3:#ffe065;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --shadow-soft:0 14px 34px rgba(0,0,0,.22);
      --radius:22px;
      --radius-lg:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 20% 10%, rgba(255,77,141,.12), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(40,240,212,.10), transparent 24%),
        radial-gradient(circle at 70% 65%, rgba(255,224,101,.08), transparent 25%),
        linear-gradient(180deg, #0a0c11 0%, #0b0d12 42%, #090b10 100%);
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
      line-height:1.7;
      overflow-x:hidden;
      min-height:100vh;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size: 30px 30px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.36), transparent 85%);
      opacity:.55;
      z-index:-1;
    }
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(255,77,141,.28);color:#fff}

    .container{
      width:min(100% - 2rem, var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(18px);
      background:rgba(11,13,18,.76);
      border-bottom:1px solid var(--line);
    }
    .brand-mark{
      display:inline-flex;
      align-items:center;
      gap:.8rem;
      color:#fff;
      font-weight:800;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .brand-dot{
      width:12px;
      height:12px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      box-shadow:0 0 0 6px rgba(255,77,141,.12), 0 0 24px rgba(40,240,212,.15);
      flex:none;
    }
    .desktop-nav{
      padding:.35rem;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:.55rem 1rem;
      border-radius:999px;
      color:var(--muted);
      font-weight:600;
      transition:transform .22s ease, background-color .22s ease, color .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#101319;
      background:linear-gradient(135deg, var(--accent-3), #fff1a6);
      box-shadow:0 10px 26px rgba(255,224,101,.22);
    }

    main{padding-bottom:6rem}
    .section{
      padding:3.75rem 0;
      position:relative;
    }
    .section.compact{padding:2.25rem 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.35rem .8rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      color:#ffdbe7;
      background:rgba(255,77,141,.10);
      font-size:.86rem;
      letter-spacing:.04em;
      text-transform:none;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(40,240,212,.12);
    }
    .section-title{
      margin-top:1rem;
      font-size:clamp(1.65rem, 3vw, 2.5rem);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .section-desc{
      margin-top:1rem;
      color:var(--muted);
      max-width:52rem;
      font-size:1.02rem;
    }

    .hero-wrap{
      padding-top:1.2rem;
    }
    .hero-panel{
      border:1px solid var(--line-strong);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
        linear-gradient(135deg, rgba(255,77,141,.14), rgba(40,240,212,.06) 45%, rgba(255,224,101,.06));
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:auto -18% -25% auto;
      width:320px;
      height:320px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(255,77,141,.26), transparent 62%);
      filter:blur(10px);
      pointer-events:none;
    }
    .hero-inner{
      padding:1.35rem;
    }
    .hero-h1{
      font-size:clamp(2.15rem, 5vw, 4.45rem);
      line-height:1.02;
      font-weight:950;
      letter-spacing:-.05em;
    }
    .hero-sub{
      margin-top:1rem;
      color:#d6dbea;
      max-width:44rem;
      font-size:1.05rem;
    }
    .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:1.5rem;
    }
    .btn-primary,
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:46px;
      padding:.8rem 1.2rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background-color .2s ease, color .2s ease;
    }
    .btn-primary{
      color:#101319;
      background:linear-gradient(135deg, var(--accent-3), #fff7bf);
      box-shadow:0 16px 28px rgba(255,224,101,.18);
    }
    .btn-primary:hover,.btn-primary:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(255,224,101,.22);
      outline:none;
    }
    .btn-secondary{
      color:#fff;
      border-color:var(--line-strong);
      background:rgba(255,255,255,.03);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{
      transform:translateY(-2px);
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.18);
      outline:none;
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1.4rem;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .78rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      color:#dce3f4;
      background:rgba(255,255,255,.03);
      font-size:.9rem;
      transition:transform .2s ease, background-color .2s ease, border-color .2s ease;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(255,255,255,.18);
      background:rgba(255,255,255,.06);
    }
    .chip i{
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--accent-2);
      display:inline-block;
      box-shadow:0 0 0 4px rgba(40,240,212,.12);
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:1.1rem;
      align-items:stretch;
      padding:1.1rem;
    }

    .stack-board{
      display:grid;
      gap:.85rem;
    }
    .board-card{
      border:1px solid var(--line);
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      padding:1rem;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .board-card:hover{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.16);
      box-shadow:0 20px 38px rgba(0,0,0,.28);
    }
    .board-card.tall{
      min-height:145px;
      background:
        linear-gradient(180deg, rgba(19,23,34,.95), rgba(19,23,34,.84)),
        linear-gradient(135deg, rgba(255,77,141,.12), rgba(40,240,212,.08));
    }
    .board-tag{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.26rem .58rem;
      border-radius:999px;
      font-size:.78rem;
      color:#ffdbe7;
      background:rgba(255,77,141,.12);
      border:1px solid rgba(255,77,141,.24);
    }
    .board-title{
      margin-top:.75rem;
      font-size:1.02rem;
      font-weight:800;
    }
    .board-copy{
      color:var(--muted);
      margin-top:.45rem;
      font-size:.92rem;
    }
    .data-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:.85rem;
    }
    .mini-metric{
      border:1px solid var(--line);
      border-radius:18px;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      padding:.9rem;
      min-height:104px;
      position:relative;
      overflow:hidden;
    }
    .mini-metric:before{
      content:"";
      position:absolute;
      inset:auto -10% -22% auto;
      width:110px;
      height:110px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(40,240,212,.18), transparent 70%);
    }
    .metric-num{
      font-size:1.8rem;
      line-height:1;
      font-weight:900;
      letter-spacing:-.05em;
      background:linear-gradient(135deg, #fff 0%, #d9fdf8 45%, #ffe065 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .metric-label{
      color:#eef2ff;
      margin-top:.45rem;
      font-weight:700;
    }
    .metric-desc{
      color:var(--muted);
      font-size:.88rem;
      margin-top:.25rem;
    }

    .filter-bar{
      position:sticky;
      top:5.4rem;
      z-index:45;
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(11,13,18,.82);
      backdrop-filter:blur(14px);
      box-shadow:var(--shadow-soft);
      padding:.85rem;
    }
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:.7rem;
    }
    .search-box{
      flex:1 1 240px;
      min-width:220px;
      display:flex;
      align-items:center;
      gap:.6rem;
      padding:.75rem .95rem;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .search-box svg{
      flex:none;
      opacity:.8;
    }
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      outline:none;
    }
    .search-box input::placeholder{color:#8892a8}
    .sort-chips{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
      margin-left:auto;
    }
    .sort-chip{
      padding:.6rem .92rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dbe3f5;
      font-size:.92rem;
      font-weight:700;
      transition:transform .2s ease, background-color .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .sort-chip:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
    }
    .sort-chip.active{
      color:#101319;
      background:linear-gradient(135deg, var(--accent-3), #fff7bf);
      border-color:transparent;
    }

    .content-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0, 1fr));
      gap:1rem;
      margin-top:1.2rem;
    }
    .feature-card{
      grid-column:span 6;
      border:1px solid var(--line);
      border-radius:24px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
        linear-gradient(135deg, rgba(255,77,141,.08), rgba(40,240,212,.04));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
    }
    .feature-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 24px 40px rgba(0,0,0,.3);
    }
    .feature-card.wide{grid-column:span 7}
    .feature-card.narrow{grid-column:span 5}
    .card-cover{
      position:relative;
      min-height:132px;
      background:
        radial-gradient(circle at 18% 22%, rgba(40,240,212,.35), transparent 22%),
        radial-gradient(circle at 88% 18%, rgba(255,224,101,.24), transparent 18%),
        linear-gradient(135deg, #171c29 0%, #10141e 55%, #151a25 100%);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .card-cover:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.07);
      background:linear-gradient(135deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    }
    .card-cover .badge{
      position:absolute;
      left:18px;
      top:18px;
      z-index:1;
    }
    .card-body{
      padding:1.1rem 1.1rem 1.2rem;
      display:flex;
      flex-direction:column;
      gap:.8rem;
      flex:1;
    }
    .card-title{
      font-size:1.1rem;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .card-text{
      color:var(--muted);
      font-size:.96rem;
    }
    .card-list{
      display:grid;
      gap:.4rem;
      color:#d9e0f0;
      font-size:.92rem;
    }
    .card-list li{
      display:flex;
      gap:.55rem;
      align-items:flex-start;
    }
    .card-list li span{
      margin-top:.35rem;
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(40,240,212,.12);
      flex:none;
    }
    .card-actions{
      margin-top:auto;
      display:flex;
      gap:.65rem;
      flex-wrap:wrap;
    }

    .stats-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
        linear-gradient(135deg, rgba(255,77,141,.08), rgba(40,240,212,.05));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:1rem;
    }
    .stat-box{
      border:1px solid rgba(255,255,255,.09);
      border-radius:20px;
      padding:1.15rem;
      background:rgba(0,0,0,.12);
      min-height:132px;
      position:relative;
      overflow:hidden;
    }
    .stat-box:before{
      content:"";
      position:absolute;
      inset:auto -12% -20% auto;
      width:120px;
      height:120px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(255,77,141,.18), transparent 70%);
    }
    .stat-number{
      font-size:clamp(2rem, 3vw, 3.1rem);
      line-height:1;
      font-weight:950;
      letter-spacing:-.05em;
    }
    .stat-label{
      margin-top:.7rem;
      font-weight:800;
      color:#fff;
    }
    .stat-desc{
      margin-top:.25rem;
      color:var(--muted);
      font-size:.92rem;
    }

    .sample-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:1rem;
    }
    .sample-card{
      border:1px solid var(--line);
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .24s ease, border-color .24s ease;
    }
    .sample-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.18);
    }
    .sample-cover{
      min-height:148px;
      background:
        linear-gradient(135deg, rgba(255,77,141,.16), rgba(40,240,212,.06)),
        linear-gradient(180deg, #181d28, #10141c);
      position:relative;
    }
    .sample-cover:before{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:18px;
      border:1px dashed rgba(255,255,255,.14);
    }
    .sample-body{
      padding:1rem 1rem 1.1rem;
    }
    .sample-title{
      font-weight:850;
      font-size:1.03rem;
    }
    .sample-text{
      margin-top:.45rem;
      color:var(--muted);
      font-size:.95rem;
    }

    .steps-wrap{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      box-shadow:var(--shadow);
      padding:1.2rem;
    }
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:1rem;
    }
    .step-item{
      border:1px solid rgba(255,255,255,.09);
      border-radius:20px;
      padding:1rem;
      background:rgba(255,255,255,.03);
      position:relative;
      min-height:176px;
    }
    .step-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:14px;
      font-weight:900;
      color:#101319;
      background:linear-gradient(135deg, var(--accent-3), #fff7bf);
      box-shadow:0 12px 22px rgba(255,224,101,.18);
    }
    .step-title{
      margin-top:1rem;
      font-size:1.03rem;
      font-weight:850;
    }
    .step-text{
      margin-top:.55rem;
      color:var(--muted);
      font-size:.95rem;
    }
    .step-foot{
      margin-top:1rem;
      color:#dbe3f5;
      font-size:.9rem;
      display:flex;
      gap:.45rem;
      align-items:center;
    }

    .faq-wrap{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .faq-item + .faq-item{border-top:1px solid rgba(255,255,255,.08)}
    .faq-question{
      width:100%;
      text-align:left;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1.05rem 1.1rem;
      background:transparent;
      color:#fff;
      border:0;
      cursor:pointer;
      font-weight:800;
      transition:background-color .2s ease;
    }
    .faq-question:hover,.faq-question:focus-visible{
      background:rgba(255,255,255,.03);
      outline:none;
    }
    .faq-question .icon{
      width:34px;
      height:34px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      flex:none;
      transition:transform .24s ease, background-color .24s ease;
    }
    .faq-item.open .faq-question .icon{
      transform:rotate(45deg);
      background:rgba(255,77,141,.14);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .35s ease;
    }
    .faq-inner{
      padding:0 1.1rem 1.05rem 1.1rem;
      color:var(--muted);
      max-width:58rem;
    }

    .contact-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:1rem;
      align-items:start;
    }
    .contact-panel,
    .info-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      padding:1.15rem;
    }
    .contact-form{
      display:grid;
      gap:.85rem;
      margin-top:1rem;
    }
    .field{
      display:grid;
      gap:.42rem;
    }
    .field label{
      color:#dfe6f6;
      font-weight:700;
      font-size:.94rem;
    }
    .field input,
    .field textarea{
      width:100%;
      padding:.92rem 1rem;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#8791a8}
    .field input:focus,
    .field textarea:focus{
      border-color:rgba(255,77,141,.35);
      box-shadow:0 0 0 4px rgba(255,77,141,.08);
      background:rgba(255,255,255,.06);
    }
    .support-list{
      display:grid;
      gap:.7rem;
      margin-top:1rem;
    }
    .support-item{
      display:flex;
      gap:.7rem;
      align-items:flex-start;
      padding:.8rem .85rem;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      color:#dfe6f6;
    }
    .support-item span{
      width:10px;
      height:10px;
      margin-top:.48rem;
      border-radius:999px;
      background:var(--accent-2);
      box-shadow:0 0 0 5px rgba(40,240,212,.12);
      flex:none;
    }

    .footer{
      background:linear-gradient(180deg, rgba(10,12,17,.85), rgba(6,8,12,.98));
      border-top:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .footer:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 20%, rgba(255,77,141,.10), transparent 24%),
        radial-gradient(circle at 82% 10%, rgba(40,240,212,.08), transparent 22%);
      pointer-events:none;
    }
    .footer-link{
      color:var(--muted);
      transition:color .2s ease, transform .2s ease;
    }
    .footer-link:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .mobile-tabbar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:70;
      display:none;
      border-top:1px solid var(--line);
      background:rgba(9,11,16,.88);
      backdrop-filter:blur(18px);
      box-shadow:0 -16px 40px rgba(0,0,0,.32);
      padding:.55rem .7rem .75rem;
    }
    .mobile-tabs{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:.45rem;
    }
    .tab-link{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:.28rem;
      min-height:58px;
      border-radius:18px;
      color:#b9c1d4;
      font-size:.76rem;
      font-weight:700;
      transition:background-color .2s ease, color .2s ease, transform .2s ease;
    }
    .tab-link svg{width:18px;height:18px}
    .tab-link:hover,.tab-link:focus-visible{
      background:rgba(255,255,255,.05);
      color:#fff;
      transform:translateY(-1px);
      outline:none;
    }
    .tab-link.active{
      color:#101319;
      background:linear-gradient(135deg, var(--accent-3), #fff1a6);
    }

    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:.55rem;
      color:var(--muted);
      font-size:.92rem;
    }
    .breadcrumb a{
      color:#dbe3f5;
    }
    .breadcrumb .sep{
      color:#667084;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .contact-wrap{
        grid-template-columns:1fr;
      }
      .stats-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .sample-grid,
      .steps-grid{
        grid-template-columns:1fr;
      }
      .content-grid .feature-card,
      .content-grid .feature-card.wide,
      .content-grid .feature-card.narrow{
        grid-column:span 12;
      }
      .filter-bar{
        top:5rem;
      }
    }
    @media (max-width: 768px){
      .desktop-nav{display:none}
      .section{padding:3rem 0}
      .hero-inner{padding:1rem}
      .hero-grid{padding:.85rem}
      .data-grid{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:1fr}
      .content-grid{gap:.9rem}
      .mobile-tabbar{display:block}
      main{padding-bottom:8.2rem}
      .filter-row{gap:.6rem}
      .sort-chips{width:100%;margin-left:0}
      .sort-chip{flex:1 1 auto;text-align:center}
      .search-box{flex-basis:100%}
      .site-header .container{padding-top:1rem;padding-bottom:1rem}
    }
    @media (max-width: 520px){
      .hero-h1{font-size:clamp(2rem, 11vw, 2.8rem)}
      .section-title{font-size:clamp(1.42rem, 7vw, 2rem)}
      .btn-primary,.btn-secondary{width:100%}
      .btn-row{gap:.65rem}
      .chip-row{gap:.45rem}
      .chip,.sort-chip{font-size:.84rem}
      .filter-bar{padding:.75rem}
      .faq-question{padding:1rem}
      .faq-inner{padding:0 1rem 1rem}
      .contact-panel,.info-panel{padding:1rem}
    }