/* roulang page: index */
:root{
      --bg-0:#050b14;
      --bg-1:#081323;
      --bg-2:#0c1a2f;
      --panel:rgba(10, 20, 37, .72);
      --panel-strong:rgba(12, 24, 44, .88);
      --line:rgba(173, 199, 255, .14);
      --line-strong:rgba(173, 199, 255, .22);
      --text:#f5f7fb;
      --text-2:#c7d3e6;
      --text-3:#92a2bb;
      --brand:#51e1dc;
      --brand-2:#8e7bff;
      --brand-3:#2ca4ff;
      --accent:#f0a84b;
      --shadow:0 20px 60px rgba(0, 0, 0, .38);
      --shadow-soft:0 10px 30px rgba(0, 0, 0, .22);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --space:clamp(18px, 2vw, 28px);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at 20% 18%, rgba(78, 225, 220, .13), transparent 24%),
        radial-gradient(circle at 82% 12%, rgba(142, 123, 255, .11), transparent 20%),
        radial-gradient(circle at 84% 72%, rgba(44, 164, 255, .10), transparent 18%),
        linear-gradient(180deg, #040912 0%, #07111f 42%, #050b14 100%);
      min-height:100vh;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.42;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 92%);
    }
    a{color:inherit;text-decoration:none;transition:.24s ease}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(81,225,220,.24);color:var(--text)}
    .container-wide{max-width:var(--container);margin:0 auto;padding:0 18px}
    .section{
      position:relative;
      padding:clamp(56px, 7vw, 92px) 0;
    }
    .section-sm{padding:clamp(34px, 4vw, 56px) 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      color:#dbe7ff;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      border-radius:999px;
      padding:8px 14px;
      font-size:.92rem;
      letter-spacing:.02em;
      backdrop-filter:blur(12px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 6px rgba(81,225,220,.12);
    }
    h1,h2,h3,h4,h5,h6{margin:0;line-height:1.18}
    .section-title{
      max-width:760px;
      margin-bottom:28px;
    }
    .section-title h2{
      font-size:clamp(1.8rem, 2.6vw, 2.8rem);
      font-weight:700;
      margin-top:14px;
      letter-spacing:-.02em;
    }
    .section-title p{
      margin:14px 0 0;
      color:var(--text-2);
      font-size:1rem;
    }
    .muted{color:var(--text-3)}
    .badge-soft{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:#dce6f7;
      font-size:.86rem;
    }
    .badge-soft i{
      width:8px;height:8px;border-radius:50%;
      display:inline-block;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
    }
    .site-topbar{
      background:rgba(6, 12, 22, .72);
      border-bottom:1px solid rgba(255,255,255,.06);
      color:#d8e3f7;
      font-size:.88rem;
      backdrop-filter:blur(14px);
    }
    .site-topbar .container-wide{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-top:8px;
      padding-bottom:8px;
    }
    .topbar-note{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .topbar-note strong{color:#fff;font-weight:600}
    .site-nav{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(7, 17, 31, .78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.07);
      box-shadow:0 10px 40px rgba(0,0,0,.18);
    }
    .site-nav.scrolled{
      background:rgba(7, 17, 31, .92);
      border-bottom-color:rgba(255,255,255,.09);
    }
    .navbar{
      padding:.95rem 0;
    }
    .brand-wrap{
      display:flex;align-items:center;gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        radial-gradient(circle at 30% 26%, rgba(255,255,255,.45), transparent 26%),
        linear-gradient(135deg, rgba(81,225,220,1), rgba(142,123,255,1) 58%, rgba(44,164,255,1));
      box-shadow:0 12px 30px rgba(81,225,220,.18), inset 0 1px 0 rgba(255,255,255,.28);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border:1.5px solid rgba(255,255,255,.75);
      border-radius:11px;
      transform:rotate(10deg);
    }
    .brand-mark::after{
      inset:14px;
      border-color:rgba(255,255,255,.4);
      transform:rotate(-10deg);
    }
    .brand-text{
      display:flex;flex-direction:column;line-height:1.1;min-width:0;
    }
    .brand-text strong{
      font-size:1.02rem;
      color:#fff;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.78rem;
      color:var(--text-3);
      margin-top:3px;
      letter-spacing:.02em;
    }
    .navbar-toggler{
      border:1px solid var(--line-strong);
      border-radius:14px;
      padding:.55rem .7rem;
      background:rgba(255,255,255,.04);
      box-shadow:none!important;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 .2rem rgba(81,225,220,.18)!important;
    }
    .navbar-toggler-icon{
      width:1.15rem;height:1.15rem;
      background-image:none;
      position:relative;
    }
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after,
    .navbar-toggler-icon span{
      content:"";
      position:absolute;
      left:0;right:0;height:2px;border-radius:999px;
      background:linear-gradient(90deg, #f2f7ff, #9ed9ff);
    }
    .navbar-toggler-icon::before{top:0}
    .navbar-toggler-icon::after{bottom:0}
    .navbar-toggler-icon span{top:50%;transform:translateY(-50%)}
    .nav-link{
      color:var(--text-2)!important;
      padding:.72rem .92rem!important;
      border-radius:999px;
      font-weight:500;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:#fff!important;
      background:rgba(255,255,255,.05);
    }
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg, rgba(81,225,220,.14), rgba(142,123,255,.18));
      border:1px solid rgba(81,225,220,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .nav-meta{
      display:flex;align-items:center;gap:10px;
      margin-left:auto;
    }
    .nav-search{
      position:relative;
      width:min(320px, 100%);
    }
    .nav-search input{
      width:100%;
      height:44px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      color:#fff;
      padding:0 16px 0 42px;
      outline:none;
      transition:.22s ease;
    }
    .nav-search input::placeholder{color:#8ea0b9}
    .nav-search input:focus{
      border-color:rgba(81,225,220,.55);
      box-shadow:0 0 0 .2rem rgba(81,225,220,.14);
      background:rgba(255,255,255,.07);
    }
    .nav-search .icon{
      position:absolute;
      left:14px;top:50%;
      transform:translateY(-50%);
      color:#9ab0cf;
      width:16px;height:16px;
      display:grid;place-items:center;
      pointer-events:none;
    }
    .btn-brand{
      border:none;
      color:#04111b;
      font-weight:700;
      border-radius:999px;
      padding:.78rem 1.25rem;
      background:linear-gradient(135deg, #52e4dd 0%, #7cb3ff 48%, #a18bff 100%);
      box-shadow:0 16px 30px rgba(81,225,220,.18);
      transition:.25s ease;
    }
    .btn-brand:hover,
    .btn-brand:focus{
      color:#04111b;
      transform:translateY(-1px);
      box-shadow:0 18px 36px rgba(81,225,220,.26), 0 0 0 .2rem rgba(81,225,220,.14);
    }
    .btn-outline-brand{
      color:#dfe8f8;
      border:1px solid var(--line-strong);
      background:rgba(255,255,255,.03);
      border-radius:999px;
      padding:.76rem 1.1rem;
      font-weight:600;
      transition:.22s ease;
    }
    .btn-outline-brand:hover,
    .btn-outline-brand:focus{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(81,225,220,.3);
      box-shadow:0 0 0 .2rem rgba(81,225,220,.11);
    }
    .hero{
      position:relative;
      padding:clamp(56px, 8vw, 104px) 0 48px;
      overflow:hidden;
    }
    .hero::before,
    .hero::after{
      content:"";
      position:absolute;
      border-radius:50%;
      filter:blur(20px);
      pointer-events:none;
    }
    .hero::before{
      width:420px;height:420px;
      left:-120px;top:-80px;
      background:radial-gradient(circle, rgba(81,225,220,.22), transparent 68%);
    }
    .hero::after{
      width:360px;height:360px;
      right:-100px;top:70px;
      background:radial-gradient(circle, rgba(142,123,255,.18), transparent 68%);
    }
    .hero-shell{
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03)),
        linear-gradient(135deg, rgba(9, 18, 33, .92), rgba(7, 14, 25, .72));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 22%, rgba(81,225,220,.12), transparent 18%),
        radial-gradient(circle at 82% 18%, rgba(142,123,255,.12), transparent 16%),
        linear-gradient(90deg, rgba(255,255,255,.03), transparent 40%, rgba(255,255,255,.03));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      padding:clamp(24px, 4vw, 44px);
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:clamp(20px, 3vw, 36px);
      align-items:center;
    }
    .hero h1{
      font-size:clamp(2.2rem, 4.4vw, 4.8rem);
      letter-spacing:-.04em;
      line-height:1.06;
      max-width:12ch;
      text-wrap:balance;
    }
    .hero .lead{
      margin:18px 0 0;
      font-size:1.05rem;
      color:var(--text-2);
      max-width:54ch;
    }
    .hero-actions{
      display:flex;gap:14px;flex-wrap:wrap;
      margin-top:28px;
    }
    .hero-tags{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:26px;
    }
    .hero-panel{
      display:grid;
      gap:14px;
    }
    .panel-card{
      position:relative;
      border:1px solid var(--line);
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03)),
        rgba(10, 19, 35, .72);
      backdrop-filter:blur(12px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05), var(--shadow-soft);
      padding:18px;
      overflow:hidden;
    }
    .panel-card::after{
      content:"";
      position:absolute;
      inset:auto -20% -40% auto;
      width:180px;height:180px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(81,225,220,.16), transparent 66%);
      pointer-events:none;
    }
    .panel-title{
      display:flex;align-items:center;justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
    }
    .panel-title strong{font-size:1.02rem}
    .panel-title small{color:var(--text-3)}
    .kpi-grid{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:12px;
    }
    .kpi{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      padding:14px;
    }
    .kpi .num{
      font-size:1.5rem;
      font-weight:800;
      letter-spacing:-.03em;
      background:linear-gradient(135deg, #fff, #a6f3ef 50%, #cdbdff 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .kpi .label{
      margin-top:5px;
      color:var(--text-3);
      font-size:.88rem;
    }
    .mini-feed{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .mini-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .mini-dot{
      width:12px;height:12px;border-radius:50%;
      margin-top:4px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 6px rgba(81,225,220,.09);
      flex:0 0 auto;
    }
    .mini-item strong{display:block;font-size:.98rem}
    .mini-item p{margin:5px 0 0;color:var(--text-3);font-size:.92rem;line-height:1.55}
    .section-card{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
        rgba(9, 18, 33, .72);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .section-inner{padding:clamp(20px, 3vw, 32px)}
    .pain-grid{
      display:grid;
      grid-template-columns:repeat(12, 1fr);
      gap:18px;
    }
    .pain-card{
      grid-column:span 3;
      position:relative;
      padding:22px;
      min-height:210px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
        rgba(10, 19, 35, .75);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
      transition:.24s ease;
    }
    .pain-card:hover{
      transform:translateY(-3px);
      border-color:rgba(81,225,220,.22);
      box-shadow:0 16px 40px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.05);
    }
    .pain-icon{
      width:46px;height:46px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:16px;
      background:linear-gradient(135deg, rgba(81,225,220,.16), rgba(142,123,255,.16));
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .pain-card h3{font-size:1.16rem}
    .pain-card p{margin:12px 0 0;color:var(--text-2);font-size:.97rem}
    .solution-wrap{
      display:grid;
      grid-template-columns:1fr;
      gap:20px;
    }
    .solution-track{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:16px;
      position:relative;
    }
    .solution-track::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:33px;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(81,225,220,.26), rgba(142,123,255,.26), transparent);
      pointer-events:none;
    }
    .step-card{
      position:relative;
      z-index:1;
      padding:22px;
      border-radius:22px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      min-height:224px;
    }
    .step-num{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(81,225,220,.20), rgba(142,123,255,.22));
      border:1px solid rgba(255,255,255,.09);
      color:#fff;font-weight:700;
      box-shadow:0 0 0 10px rgba(81,225,220,.05);
      margin-bottom:16px;
    }
    .step-card h3{font-size:1.08rem}
    .step-card p{margin:10px 0 0;color:var(--text-2);font-size:.95rem}
    .step-card ul{
      list-style:none;
      padding:0;margin:16px 0 0;
      display:grid;gap:8px;
    }
    .step-card li{
      color:#dce6f7;
      font-size:.92rem;
      padding-left:18px;
      position:relative;
    }
    .step-card li::before{
      content:"";
      position:absolute;
      left:0;top:.58em;
      width:7px;height:7px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
    }
    .feature-lane{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card{
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 20% 20%, rgba(81,225,220,.10), transparent 22%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
        rgba(11, 20, 37, .78);
      box-shadow:var(--shadow-soft);
      padding:24px;
      overflow:hidden;
      position:relative;
      transition:.25s ease;
      height:100%;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(81,225,220,.22);
    }
    .feature-card .head{
      display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    }
    .feature-card h3{font-size:1.34rem}
    .feature-card p{margin:12px 0 0;color:var(--text-2)}
    .feature-stat{
      margin-top:22px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
    }
    .stat-chip{
      flex:1 1 160px;
      padding:14px 15px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .stat-chip strong{
      display:block;
      font-size:1.2rem;
      font-weight:800;
      letter-spacing:-.03em;
      color:#fff;
    }
    .stat-chip span{
      display:block;
      margin-top:4px;
      color:var(--text-3);
      font-size:.89rem;
    }
    .list-meta{
      display:flex;gap:10px;flex-wrap:wrap;
      margin-top:18px;
    }
    .list-meta .badge-soft{font-size:.8rem}
    .content-card{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      display:grid;
      grid-template-columns:120px 1fr;
      gap:18px;
      align-items:center;
      transition:.24s ease;
    }
    .content-card:hover{
      transform:translateY(-3px);
      border-color:rgba(142,123,255,.22);
      background:rgba(255,255,255,.045);
    }
    .content-thumb{
      aspect-ratio:1 / 1;
      border-radius:20px;
      background:
        radial-gradient(circle at 30% 28%, rgba(255,255,255,.3), transparent 26%),
        linear-gradient(135deg, rgba(81,225,220,.32), rgba(142,123,255,.28) 55%, rgba(44,164,255,.26));
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .content-thumb::after{
      content:"";
      position:absolute;inset:14px;
      border-radius:16px;
      border:1px dashed rgba(255,255,255,.24);
    }
    .content-card h4{font-size:1.08rem;margin:0}
    .content-card p{margin:10px 0 0;color:var(--text-2);font-size:.95rem}
    .card-row{
      display:grid;
      gap:14px;
    }
    .testimony-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:18px;
    }
    .testimonial{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
        rgba(10, 19, 35, .76);
      box-shadow:var(--shadow-soft);
    }
    .testimonial .avatar{
      width:52px;height:52px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(81,225,220,.22), rgba(142,123,255,.22));
      border:1px solid rgba(255,255,255,.08);
      font-weight:800;
      color:#fff;
      margin-bottom:16px;
    }
    .testimonial p{
      margin:0;
      color:#deebff;
      font-size:.98rem;
      line-height:1.75;
    }
    .testimonial .person{
      margin-top:16px;
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      color:var(--text-3);
      font-size:.9rem;
    }
    .faq .accordion-item{
      background:transparent;
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      overflow:hidden;
      margin-bottom:14px;
      box-shadow:var(--shadow-soft);
    }
    .faq .accordion-button{
      background:rgba(255,255,255,.04);
      color:#fff;
      padding:18px 20px;
      font-weight:600;
      box-shadow:none!important;
    }
    .faq .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(135deg, rgba(81,225,220,.10), rgba(142,123,255,.10));
    }
    .faq .accordion-button::after{
      filter:brightness(1.8);
    }
    .faq .accordion-body{
      background:rgba(10, 19, 35, .78);
      color:var(--text-2);
      padding:18px 20px 20px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:32px;
      background:
        radial-gradient(circle at 18% 20%, rgba(81,225,220,.20), transparent 22%),
        radial-gradient(circle at 82% 18%, rgba(142,123,255,.18), transparent 20%),
        linear-gradient(135deg, rgba(10,18,33,.94), rgba(7,13,25,.84));
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.08), transparent 30%, rgba(255,255,255,.06));
      opacity:.45;
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      padding:clamp(26px, 4vw, 44px);
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
    }
    .cta-inner h2{
      font-size:clamp(1.8rem, 3vw, 3rem);
      letter-spacing:-.03em;
    }
    .cta-inner p{
      margin:14px 0 0;
      color:var(--text-2);
      max-width:60ch;
    }
    .cta-box{
      border-radius:26px;
      padding:22px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .cta-box .line{
      display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
      padding:10px 0;
      border-bottom:1px solid rgba(255,255,255,.06);
      color:#dce6f7;
    }
    .cta-box .line:last-child{border-bottom:none}
    .cta-box .line strong{color:#fff}
    .footer{
      margin-top:10px;
      padding:34px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(5, 10, 18, .52), rgba(3, 7, 13, .92));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:20px;
      align-items:start;
    }
    .footer h5{
      font-size:1rem;
      margin-bottom:14px;
      color:#fff;
    }
    .footer p, .footer a, .footer li{
      color:var(--text-3);
      font-size:.95rem;
    }
    .footer ul{
      list-style:none;
      padding:0;margin:0;
      display:grid;gap:10px;
    }
    .footer a:hover{color:#fff}
    .footer-note{
      margin-top:26px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#8092ad;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      font-size:.88rem;
    }
    .back-to-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:50px;height:50px;
      border:none;
      border-radius:50%;
      background:linear-gradient(135deg, rgba(81,225,220,.95), rgba(142,123,255,.95));
      color:#06111a;
      font-weight:800;
      box-shadow:0 16px 36px rgba(81,225,220,.22);
      display:grid;
      place-items:center;
      opacity:0;
      visibility:hidden;
      transform:translateY(12px);
      transition:.24s ease;
      z-index:1040;
    }
    .back-to-top.show{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .back-to-top:focus{
      outline:none;
      box-shadow:0 0 0 .22rem rgba(81,225,220,.18), 0 16px 36px rgba(81,225,220,.22);
    }
    .divider-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
      margin:22px 0;
    }
    .breadcrumb-soft{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      color:var(--text-3);
      font-size:.9rem;
      align-items:center;
    }
    .breadcrumb-soft span{color:rgba(255,255,255,.55)}
    .spark{
      width:10px;height:10px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 6px rgba(81,225,220,.08);
      display:inline-block;
    }
    .mobile-cta{display:none}
    .search-mobile{display:block}
    .focus-ring:focus{
      outline:none;
      box-shadow:0 0 0 .22rem rgba(81,225,220,.18);
    }
    @media (max-width: 1199.98px){
      .hero-grid,.cta-inner,.feature-lane,.footer-grid{grid-template-columns:1fr}
      .pain-card{grid-column:span 6}
      .testimony-grid{grid-template-columns:1fr 1fr}
      .solution-track{grid-template-columns:1fr 1fr}
      .solution-track::before{display:none}
    }
    @media (max-width: 991.98px){
      .nav-search{max-width:100%}
      .nav-meta{margin-left:0;display:grid;gap:12px;width:100%;padding-top:14px}
      .navbar-collapse{
        margin-top:12px;
        padding:16px;
        border-radius:22px;
        background:rgba(8,18,32,.94);
        border:1px solid rgba(255,255,255,.08);
      }
      .hero h1{max-width:14ch}
      .pain-card{grid-column:span 12}
      .content-card{grid-template-columns:92px 1fr}
      .testimony-grid{grid-template-columns:1fr}
      .mobile-cta{display:inline-flex}
    }
    @media (max-width: 767.98px){
      .site-topbar .container-wide{flex-direction:column;align-items:flex-start}
      .hero-grid{padding:20px}
      .hero-actions .btn{width:100%}
      .hero-panel{margin-top:8px}
      .kpi-grid,.solution-track{grid-template-columns:1fr}
      .content-card{grid-template-columns:1fr}
      .content-thumb{max-width:160px}
      .feature-card{padding:20px}
      .cta-box{padding:18px}
      .btn-brand,.btn-outline-brand{width:100%;justify-content:center}
      .nav-search{display:none}
      .search-mobile{display:none}
    }
    @media (max-width: 575.98px){
      .brand-text span{display:none}
      .section{padding:48px 0}
      .hero{padding-top:42px}
      .hero h1{font-size:2.05rem}
      .hero .lead{font-size:1rem}
      .pain-card,.step-card,.testimonial,.feature-card{border-radius:20px}
      .section-title h2{font-size:1.6rem}
      .footer-note{flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --bg-0:#050b14;
      --bg-1:#08111d;
      --bg-2:#0b1726;
      --panel:rgba(10, 22, 38, .72);
      --panel-strong:rgba(11, 26, 44, .90);
      --panel-soft:rgba(15, 31, 52, .56);
      --line:rgba(180, 214, 255, .12);
      --line-strong:rgba(127, 183, 255, .22);
      --text:#f5f9ff;
      --text-soft:#d8e3f0;
      --muted:#9fb0c7;
      --muted-2:#7f90a8;
      --accent:#49e6d3;
      --accent-2:#8a7dff;
      --accent-3:#5bb7ff;
      --warm:#ffb45d;
      --danger:#ff7c8c;
      --shadow:0 16px 40px rgba(0, 0, 0, .35);
      --shadow-soft:0 10px 26px rgba(0, 0, 0, .22);
      --radius-xl:24px;
      --radius-lg:20px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1320px;
      --transition:all .25s ease;
      --blur:blur(20px);
      --ring:0 0 0 .2rem rgba(73, 230, 211, .22);
    }

    html{
      scroll-behavior:smooth;
    }

    *{
      box-sizing:border-box;
    }

    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 15% 5%, rgba(73, 230, 211, .12), transparent 55%),
        radial-gradient(900px 600px at 90% 10%, rgba(138, 125, 255, .14), transparent 58%),
        radial-gradient(1200px 800px at 50% 100%, rgba(91, 183, 255, .10), transparent 50%),
        linear-gradient(180deg, #07101a 0%, #091524 38%, #07101a 100%);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.7;
      overflow-x:hidden;
      min-height:100vh;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.4), transparent 80%);
      opacity:.18;
      z-index:0;
    }

    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.045) 0 1px, transparent 1px),
        radial-gradient(circle at 80% 40%, rgba(255,255,255,.045) 0 1px, transparent 1px),
        radial-gradient(circle at 45% 70%, rgba(255,255,255,.035) 0 1px, transparent 1px);
      background-size:240px 240px;
      opacity:.22;
      z-index:0;
    }

    ::selection{
      background:rgba(73,230,211,.28);
      color:#fff;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:var(--transition);
    }

    a:hover{
      color:#fff;
    }

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

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

    .focus-ring:focus,
    .focus-ring:focus-visible,
    .btn:focus-visible,
    .nav-link:focus-visible,
    .accordion-button:focus-visible,
    .form-control:focus,
    .form-select:focus{
      outline:none;
      box-shadow:var(--ring) !important;
    }

    .container-wide{
      width:min(var(--container), calc(100% - 2rem));
      margin:0 auto;
      position:relative;
      z-index:1;
    }

    .site-nav{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:var(--blur);
      -webkit-backdrop-filter:var(--blur);
      background:linear-gradient(180deg, rgba(6, 12, 21, .88), rgba(8, 16, 28, .72));
      border-bottom:1px solid rgba(187, 214, 255, .09);
      box-shadow:0 10px 30px rgba(0, 0, 0, .18);
    }

    .site-nav .navbar{
      padding:.85rem 0;
    }

    .brand-wrap{
      display:flex;
      align-items:center;
      gap:.85rem;
      min-width:0;
    }

    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.52), transparent 28%),
        linear-gradient(145deg, rgba(73,230,211,.95), rgba(138,125,255,.92) 52%, rgba(91,183,255,.9));
      box-shadow:
        0 8px 22px rgba(73,230,211,.22),
        inset 0 1px 0 rgba(255,255,255,.34);
      overflow:hidden;
    }

    .brand-mark::before{
      content:"";
      position:absolute;
      inset:9px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.45);
      transform:rotate(13deg);
      opacity:.85;
    }

    .brand-mark::after{
      content:"";
      position:absolute;
      inset:auto 8px 8px auto;
      width:11px;
      height:11px;
      border-radius:50%;
      background:rgba(255,255,255,.92);
      box-shadow:0 0 18px rgba(255,255,255,.35);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
    }

    .brand-text strong{
      font-size:1rem;
      line-height:1.1;
      letter-spacing:.01em;
      color:var(--text);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .brand-text span{
      font-size:.82rem;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .navbar-nav{
      gap:.35rem;
    }

    .nav-link{
      color:rgba(232, 240, 248, .76);
      padding:.72rem 1rem !important;
      border-radius:999px;
      font-weight:600;
      letter-spacing:.01em;
      position:relative;
      transition:var(--transition);
    }

    .nav-link::after{
      content:"";
      position:absolute;
      left:1rem;
      right:1rem;
      bottom:.4rem;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      transform:scaleX(0);
      transform-origin:center;
      transition:var(--transition);
      opacity:.95;
    }

    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.04);
    }

    .nav-link:hover::after,
    .nav-link.active::after{
      transform:scaleX(1);
    }

    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(73,230,211,.12), rgba(138,125,255,.12));
      box-shadow:inset 0 0 0 1px rgba(162, 191, 255, .13);
    }

    .nav-meta{
      display:flex;
      align-items:center;
      gap:.7rem;
      margin-left:auto;
    }

    .nav-search{
      display:flex;
      align-items:center;
      gap:.45rem;
      min-width:250px;
      padding:.62rem .85rem;
      border-radius:999px;
      background:rgba(13, 24, 39, .72);
      border:1px solid rgba(181, 214, 255, .12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }

    .nav-search .icon{
      color:var(--muted);
      font-size:1rem;
      line-height:1;
    }

    .nav-search input{
      width:100%;
      background:transparent;
      border:0;
      color:var(--text);
      outline:none;
      font-size:.95rem;
    }

    .nav-search input::placeholder{
      color:#7f90a8;
    }

    .btn{
      border:0;
      font-weight:700;
      border-radius:999px;
      padding:.72rem 1.15rem;
      transition:var(--transition);
      letter-spacing:.01em;
    }

    .btn:hover{
      transform:translateY(-1px);
    }

    .btn-brand{
      color:#06101a;
      background:linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%);
      box-shadow:0 14px 28px rgba(73, 230, 211, .18);
    }

    .btn-brand:hover{
      color:#051018;
      box-shadow:0 16px 34px rgba(73, 230, 211, .26), 0 0 0 1px rgba(255,255,255,.06);
    }

    .btn-outline-brand{
      color:var(--text);
      border:1px solid rgba(185, 214, 255, .18);
      background:rgba(255,255,255,.02);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }

    .btn-outline-brand:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:rgba(73,230,211,.28);
    }

    .navbar-toggler{
      border:1px solid rgba(181, 214, 255, .15);
      width:46px;
      height:46px;
      border-radius:14px;
      padding:0;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.03);
    }

    .navbar-toggler-icon{
      width:18px;
      height:14px;
      position:relative;
      display:block;
    }

    .navbar-toggler-icon span,
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after{
      content:"";
      position:absolute;
      left:0;
      width:100%;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, #f5f9ff, #83d7ff);
    }

    .navbar-toggler-icon span{
      top:6px;
    }

    .navbar-toggler-icon::before{
      top:0;
    }

    .navbar-toggler-icon::after{
      bottom:0;
    }

    .hero-section{
      position:relative;
      padding:2rem 0 1.25rem;
    }

    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(183, 214, 255, .13);
      background:
        linear-gradient(180deg, rgba(13, 26, 43, .84), rgba(9, 18, 31, .80)),
        radial-gradient(circle at 20% 20%, rgba(73, 230, 211, .12), transparent 35%),
        radial-gradient(circle at 85% 25%, rgba(138,125,255,.16), transparent 32%);
      box-shadow:var(--shadow);
      border-radius:28px;
      padding:1.3rem;
      backdrop-filter:var(--blur);
      -webkit-backdrop-filter:var(--blur);
    }

    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(255,255,255,.04), transparent 32%),
        linear-gradient(0deg, rgba(255,255,255,.03), transparent 20%);
      pointer-events:none;
    }

    .hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -20% -35% auto;
      width:420px;
      height:420px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(73,230,211,.12), transparent 68%);
      filter:blur(10px);
      pointer-events:none;
    }

    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      gap:.5rem;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.92rem;
      margin-bottom:1rem;
    }

    .breadcrumb-wrap a{
      color:#dce7f4;
    }

    .breadcrumb-wrap a:hover{
      color:var(--accent);
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.25fr) minmax(320px, .9fr);
      gap:1.25rem;
      align-items:stretch;
    }

    .hero-copy{
      padding:1rem .5rem 1rem .25rem;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.4rem .75rem;
      border-radius:999px;
      color:#cdf7f1;
      background:linear-gradient(135deg, rgba(73,230,211,.12), rgba(138,125,255,.12));
      border:1px solid rgba(73,230,211,.22);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:1rem;
    }

    .hero-copy h1{
      font-size:clamp(2rem, 4vw, 4.4rem);
      line-height:1.08;
      letter-spacing:-.03em;
      margin:0 0 1rem;
      max-width:14ch;
      text-wrap:balance;
    }

    .hero-copy .lead{
      font-size:1.02rem;
      color:var(--text-soft);
      max-width:62ch;
      margin:0 0 1.25rem;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.85rem;
      margin:1.25rem 0 1.3rem;
    }

    .hero-checks{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem 1rem;
      color:var(--muted);
      font-size:.93rem;
      margin:0;
      padding:0;
      list-style:none;
    }

    .hero-checks li{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.32rem 0;
    }

    .hero-checks i{
      color:var(--accent);
    }

    .hero-aside{
      display:grid;
      gap:1rem;
    }

    .hero-panel,
    .glass-card,
    .side-panel,
    .contact-card{
      position:relative;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(13, 26, 43, .82), rgba(10, 20, 34, .66));
      border:1px solid rgba(187, 214, 255, .12);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      backdrop-filter:var(--blur);
      -webkit-backdrop-filter:var(--blur);
    }

    .hero-panel{
      padding:1.1rem;
    }

    .hero-panel::before,
    .glass-card::before,
    .side-panel::before,
    .contact-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(145deg, rgba(255,255,255,.04), transparent 28%);
      pointer-events:none;
    }

    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:.85rem;
      margin-bottom:.95rem;
    }

    .metric-card{
      padding:1rem;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(188, 216, 255, .10);
      min-height:110px;
    }

    .metric-card strong{
      display:block;
      font-size:1.55rem;
      line-height:1;
      color:#fff;
      margin-bottom:.4rem;
      letter-spacing:-.03em;
    }

    .metric-card span{
      display:block;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.55;
    }

    .signal-card{
      border-radius:18px;
      padding:1rem 1.05rem;
      background:
        linear-gradient(145deg, rgba(73,230,211,.10), rgba(138,125,255,.12)),
        rgba(255,255,255,.03);
      border:1px solid rgba(139, 173, 255, .16);
    }

    .signal-card h3{
      margin:0 0 .35rem;
      font-size:1.05rem;
    }

    .signal-card p{
      margin:0;
      color:var(--text-soft);
      font-size:.94rem;
    }

    .section-shell{
      padding:3.6rem 0;
      position:relative;
      z-index:1;
    }

    .section-title{
      display:flex;
      flex-direction:column;
      gap:.55rem;
      margin-bottom:1.4rem;
    }

    .section-title .eyebrow{
      margin-bottom:0;
      width:fit-content;
    }

    .section-title h2{
      font-size:clamp(1.5rem, 2.7vw, 2.35rem);
      line-height:1.16;
      margin:0;
      letter-spacing:-.02em;
      text-wrap:balance;
    }

    .section-title p{
      margin:0;
      max-width:72ch;
      color:var(--text-soft);
    }

    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      flex-wrap:wrap;
      padding:1rem 1.05rem;
      margin-bottom:1.1rem;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(14, 28, 46, .76), rgba(10, 19, 31, .70));
      border:1px solid rgba(181, 214, 255, .11);
      backdrop-filter:var(--blur);
      -webkit-backdrop-filter:var(--blur);
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
    }

    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.62rem .9rem;
      border-radius:999px;
      border:1px solid rgba(181, 214, 255, .12);
      background:rgba(255,255,255,.03);
      color:var(--text-soft);
      font-weight:700;
      font-size:.92rem;
      transition:var(--transition);
    }

    .filter-chip:hover{
      transform:translateY(-1px);
      color:#fff;
      border-color:rgba(73,230,211,.24);
      background:rgba(73,230,211,.07);
    }

    .filter-chip.active{
      color:#07111a;
      background:linear-gradient(135deg, var(--accent), var(--accent-3));
      border-color:transparent;
      box-shadow:0 10px 24px rgba(73,230,211,.18);
    }

    .sort-pill{
      color:var(--muted);
      font-size:.92rem;
      display:flex;
      align-items:center;
      gap:.5rem;
    }

    .spotlight-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.2fr) minmax(0, .8fr);
      gap:1rem;
      align-items:stretch;
    }

    .spotlight-main{
      padding:1.1rem;
      min-height:100%;
    }

    .spotlight-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }

    .spotlight-head .tag{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.35rem .65rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(188, 216, 255, .10);
      color:var(--muted);
      font-size:.84rem;
      white-space:nowrap;
    }

    .spotlight-main h3{
      margin:0 0 .7rem;
      font-size:1.55rem;
      line-height:1.22;
      letter-spacing:-.02em;
    }

    .spotlight-main p{
      margin:0;
      color:var(--text-soft);
    }

    .abstract-cover{
      margin:1rem 0 1rem;
      border-radius:22px;
      min-height:210px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 20% 20%, rgba(73,230,211,.38), transparent 28%),
        radial-gradient(circle at 78% 28%, rgba(138,125,255,.36), transparent 30%),
        radial-gradient(circle at 50% 80%, rgba(91,183,255,.24), transparent 26%),
        linear-gradient(135deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
      border:1px solid rgba(181, 214, 255, .12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }

    .abstract-cover::before,
    .abstract-cover::after{
      content:"";
      position:absolute;
      inset:auto;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
    }

    .abstract-cover::before{
      width:44%;
      height:58%;
      left:7%;
      top:12%;
      transform:rotate(-8deg);
    }

    .abstract-cover::after{
      width:36%;
      height:44%;
      right:9%;
      bottom:11%;
      transform:rotate(11deg);
    }

    .spotlight-stats{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:.75rem;
      margin-top:1rem;
    }

    .spotlight-stat{
      border-radius:18px;
      padding:.9rem .85rem;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(181, 214, 255, .10);
    }

    .spotlight-stat strong{
      display:block;
      font-size:1.3rem;
      line-height:1;
      margin-bottom:.28rem;
      color:#fff;
    }

    .spotlight-stat span{
      color:var(--muted);
      font-size:.88rem;
    }

    .stack-grid{
      display:grid;
      gap:1rem;
      height:100%;
    }

    .stack-card{
      padding:1.05rem;
      min-height:calc(50% - .5rem);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }

    .stack-card h4{
      margin:0 0 .55rem;
      font-size:1.1rem;
    }

    .stack-card p{
      margin:0;
      color:var(--text-soft);
      font-size:.95rem;
    }

    .stack-card .mini-link{
      margin-top:1rem;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:#dff9f4;
      font-weight:700;
      width:fit-content;
    }

    .mini-link:hover{
      color:var(--accent);
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0, 1.35fr) minmax(290px, .65fr);
      gap:1rem;
      align-items:start;
      margin-top:1rem;
    }

    .content-feed{
      display:grid;
      gap:1rem;
    }

    .feed-card{
      padding:1rem;
      display:grid;
      grid-template-columns:160px minmax(0,1fr);
      gap:1rem;
      align-items:center;
    }

    .feed-media{
      border-radius:20px;
      min-height:132px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(73,230,211,.22), rgba(138,125,255,.18)),
        rgba(255,255,255,.03);
      border:1px solid rgba(181, 214, 255, .11);
    }

    .feed-media::before{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:16px;
      border:1px dashed rgba(255,255,255,.18);
    }

    .feed-media::after{
      content:"";
      position:absolute;
      left:18%;
      top:20%;
      width:62%;
      height:44%;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(255,255,255,.20), rgba(255,255,255,.03));
      box-shadow:0 16px 26px rgba(0,0,0,.18);
      transform:rotate(-10deg);
    }

    .feed-body h4{
      margin:0 0 .35rem;
      font-size:1.12rem;
    }

    .feed-body p{
      margin:0 0 .75rem;
      color:var(--text-soft);
      font-size:.95rem;
    }

    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      align-items:center;
      color:var(--muted);
      font-size:.86rem;
    }

    .tag-badge{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      border-radius:999px;
      padding:.3rem .6rem;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(188, 216, 255, .10);
      color:#d9e5f1;
      font-size:.84rem;
      white-space:nowrap;
    }

    .side-panel{
      padding:1.05rem;
      position:sticky;
      top:6.8rem;
    }

    .side-block + .side-block{
      margin-top:1rem;
      padding-top:1rem;
      border-top:1px solid rgba(181, 214, 255, .10);
    }

    .side-block h4{
      font-size:1.02rem;
      margin:0 0 .85rem;
    }

    .ranking-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:.65rem;
    }

    .ranking-list li{
      display:flex;
      gap:.65rem;
      align-items:flex-start;
      padding:.72rem .78rem;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(181, 214, 255, .08);
      transition:var(--transition);
    }

    .ranking-list li:hover{
      transform:translateY(-1px);
      border-color:rgba(73,230,211,.18);
      background:rgba(73,230,211,.06);
    }

    .rank-num{
      width:30px;
      height:30px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      background:linear-gradient(135deg, rgba(73,230,211,.18), rgba(138,125,255,.18));
      color:#fff;
      flex:0 0 auto;
    }

    .ranking-list strong{
      display:block;
      font-size:.95rem;
      line-height:1.35;
      margin-bottom:.15rem;
    }

    .ranking-list span{
      color:var(--muted);
      font-size:.84rem;
    }

    .insight-list{
      display:grid;
      gap:.65rem;
      margin:0;
      padding:0;
      list-style:none;
    }

    .insight-list li{
      display:flex;
      gap:.55rem;
      color:var(--text-soft);
      font-size:.93rem;
      align-items:flex-start;
    }

    .insight-list i{
      color:var(--accent);
      margin-top:.18rem;
      flex:0 0 auto;
    }

    .roadmap{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:1rem;
      margin-top:.6rem;
    }

    .road-step{
      padding:1rem;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(13, 26, 43, .78), rgba(10, 19, 31, .66));
      border:1px solid rgba(181, 214, 255, .10);
      position:relative;
      overflow:hidden;
      min-height:190px;
    }

    .road-step::after{
      content:"";
      position:absolute;
      right:-18px;
      top:-18px;
      width:88px;
      height:88px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(73,230,211,.12), transparent 70%);
    }

    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:40px;
      height:40px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(73,230,211,.18), rgba(138,125,255,.18));
      border:1px solid rgba(181, 214, 255, .10);
      color:#fff;
      font-weight:800;
      margin-bottom:.9rem;
    }

    .road-step h4{
      margin:0 0 .5rem;
      font-size:1.05rem;
    }

    .road-step p{
      margin:0;
      color:var(--text-soft);
      font-size:.94rem;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:1rem;
      align-items:start;
    }

    .kpi-panel{
      padding:1.1rem;
    }

    .kpi-row{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:.85rem;
      margin-top:1rem;
    }

    .kpi{
      padding:1rem;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(181, 214, 255, .10);
    }

    .kpi strong{
      display:block;
      font-size:1.6rem;
      line-height:1;
      color:#fff;
      margin-bottom:.45rem;
      letter-spacing:-.03em;
    }

    .kpi span{
      color:var(--muted);
      font-size:.92rem;
      line-height:1.5;
    }

    .progress-wrap{
      margin-top:1rem;
    }

    .progress-label{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:.45rem;
      color:var(--text-soft);
      font-size:.92rem;
    }

    .progress{
      height:10px;
      background:rgba(255,255,255,.05);
      border-radius:999px;
      overflow:hidden;
    }

    .progress-bar{
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      border-radius:999px;
    }

    .testimonial-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:1rem;
    }

    .testimonial-card{
      padding:1.05rem;
      display:flex;
      flex-direction:column;
      gap:.85rem;
      min-height:100%;
    }

    .quote{
      color:var(--text-soft);
      font-size:.96rem;
      margin:0;
      position:relative;
    }

    .quote::before{
      content:"“";
      color:rgba(73,230,211,.55);
      font-size:2.1rem;
      line-height:0;
      position:relative;
      top:.6rem;
      margin-right:.15rem;
    }

    .person{
      display:flex;
      align-items:center;
      gap:.8rem;
      margin-top:auto;
    }

    .avatar{
      width:48px;
      height:48px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      color:#fff;
      background:linear-gradient(135deg, rgba(73,230,211,.42), rgba(138,125,255,.42));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 10px 20px rgba(0,0,0,.22);
      flex:0 0 auto;
    }

    .person strong{
      display:block;
      font-size:.98rem;
      margin-bottom:.1rem;
    }

    .person span{
      display:block;
      color:var(--muted);
      font-size:.84rem;
    }

    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:transparent;
      --bs-accordion-btn-bg:transparent;
      --bs-accordion-active-bg:transparent;
      --bs-accordion-btn-color:var(--text);
      --bs-accordion-color:var(--text-soft);
      --bs-accordion-btn-focus-border-color:transparent;
      --bs-accordion-btn-focus-box-shadow:none;
      --bs-accordion-btn-padding-x:1.1rem;
      --bs-accordion-btn-padding-y:1rem;
      --bs-accordion-body-padding-x:1.1rem;
      --bs-accordion-body-padding-y:.25rem 1.1rem 1rem;
    }

    .accordion-item{
      border-radius:18px !important;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(13, 26, 43, .82), rgba(10, 19, 31, .66));
      border:1px solid rgba(181, 214, 255, .10);
      box-shadow:var(--shadow-soft);
      margin-bottom:.85rem;
    }

    .accordion-button{
      background:transparent !important;
      color:#fff !important;
      font-weight:700;
      border:0;
      box-shadow:none !important;
    }

    .accordion-button::after{
      filter:brightness(1.2) saturate(.85);
      opacity:.9;
    }

    .accordion-body{
      color:var(--text-soft);
      padding-top:0;
    }

    .cta-band{
      padding:1.35rem;
      border-radius:28px;
      border:1px solid rgba(181, 214, 255, .12);
      background:
        radial-gradient(circle at 15% 20%, rgba(73,230,211,.14), transparent 28%),
        radial-gradient(circle at 85% 30%, rgba(138,125,255,.16), transparent 30%),
        linear-gradient(135deg, rgba(13, 26, 43, .90), rgba(10, 18, 30, .80));
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }

    .cta-band::after{
      content:"";
      position:absolute;
      inset:auto -15% -35% auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(91,183,255,.14), transparent 66%);
      pointer-events:none;
    }

    .cta-grid{
      display:grid;
      grid-template-columns:minmax(0, 1fr) minmax(320px, .82fr);
      gap:1rem;
      align-items:center;
      position:relative;
      z-index:1;
    }

    .cta-band h2{
      margin:0 0 .55rem;
      font-size:clamp(1.55rem, 2.6vw, 2.2rem);
      line-height:1.15;
      text-wrap:balance;
    }

    .cta-band p{
      margin:0;
      color:var(--text-soft);
      max-width:58ch;
    }

    .cta-actions{
      display:flex;
      gap:.8rem;
      flex-wrap:wrap;
      margin-top:1.15rem;
    }

    .contact-card{
      padding:1rem;
    }

    .contact-card h3{
      margin:0 0 .75rem;
      font-size:1.05rem;
    }

    .form-control,
    .form-select{
      border-radius:14px;
      background:rgba(7, 14, 24, .62);
      border:1px solid rgba(181, 214, 255, .12);
      color:var(--text);
      padding:.78rem .9rem;
      box-shadow:none;
      transition:var(--transition);
    }

    .form-control::placeholder{
      color:#7890a8;
    }

    .form-control:focus,
    .form-select:focus{
      background:rgba(7, 14, 24, .82);
      border-color:rgba(73,230,211,.42);
      color:#fff;
    }

    .form-label{
      color:var(--text-soft);
      font-weight:600;
      margin-bottom:.45rem;
    }

    .helper-text{
      color:var(--muted);
      font-size:.86rem;
      margin-top:.45rem;
    }

    .footer{
      position:relative;
      margin-top:2rem;
      padding:2rem 0 1.2rem;
      border-top:1px solid rgba(181, 214, 255, .08);
      background:
        linear-gradient(180deg, rgba(7, 13, 22, .15), rgba(5, 9, 16, .72));
      backdrop-filter:var(--blur);
      -webkit-backdrop-filter:var(--blur);
    }

    .footer::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 10%, rgba(73,230,211,.08), transparent 26%),
        radial-gradient(circle at 88% 22%, rgba(138,125,255,.10), transparent 30%);
      pointer-events:none;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr .7fr .8fr;
      gap:1rem;
      position:relative;
      z-index:1;
    }

    .footer p{
      color:var(--text-soft);
      margin:0;
    }

    .footer h5{
      font-size:1rem;
      margin:0 0 .85rem;
      color:#fff;
    }

    .footer ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:.55rem;
    }

    .footer a{
      color:var(--text-soft);
    }

    .footer a:hover{
      color:var(--accent);
    }

    .footer-note{
      margin-top:1.2rem;
      padding-top:1rem;
      border-top:1px solid rgba(181, 214, 255, .08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:.6rem;
      color:var(--muted);
      font-size:.9rem;
      position:relative;
      z-index:1;
    }

    .back-to-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;
      height:48px;
      border:none;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, rgba(73,230,211,.95), rgba(138,125,255,.95));
      color:#041018;
      box-shadow:0 16px 26px rgba(0,0,0,.28);
      opacity:0;
      visibility:hidden;
      transform:translateY(10px);
      transition:var(--transition);
      z-index:1080;
    }

    .back-to-top.show{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }

    .back-to-top:hover{
      color:#041018;
      transform:translateY(-2px);
    }

    .section-divider{
      margin:1.25rem 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(181, 214, 255, .14), transparent);
    }

    .light-note{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.36rem .62rem;
      border-radius:999px;
      color:#f6fbff;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(181, 214, 255, .10);
      font-size:.84rem;
    }

    .nav-search input::-webkit-search-cancel-button{
      appearance:none;
    }

    .text-muted-soft{
      color:var(--muted) !important;
    }

    .small-link{
      font-size:.92rem;
      color:var(--accent);
      font-weight:700;
    }

    .small-link:hover{
      color:#fff;
    }

    .sticky-note{
      display:flex;
      align-items:center;
      gap:.55rem;
      color:var(--muted);
      font-size:.92rem;
    }

    @media (max-width: 1199.98px){
      .hero-grid,
      .content-layout,
      .proof-grid,
      .cta-grid{
        grid-template-columns:1fr;
      }

      .side-panel{
        position:relative;
        top:auto;
      }

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

      .spotlight-grid{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 991.98px){
      .nav-meta{
        width:100%;
        margin-top:1rem;
        flex-wrap:wrap;
      }

      .nav-search{
        min-width:100%;
      }

      .hero-copy h1{
        max-width:100%;
      }

      .spotlight-stats,
      .kpi-row{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }

      .feed-card{
        grid-template-columns:1fr;
      }

      .feed-media{
        min-height:190px;
      }

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

    @media (max-width: 767.98px){
      .hero-shell,
      .cta-band,
      .hero-panel,
      .glass-card,
      .side-panel,
      .contact-card{
        border-radius:22px;
      }

      .hero-shell{
        padding:1rem;
      }

      .hero-copy{
        padding:.25rem;
      }

      .hero-actions,
      .cta-actions{
        width:100%;
      }

      .btn,
      .mobile-cta{
        width:100%;
        justify-content:center;
      }

      .filter-bar{
        padding:.9rem;
      }

      .roadmap,
      .testimonial-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }

      .spotlight-stats,
      .metric-grid,
      .kpi-row{
        grid-template-columns:1fr 1fr;
      }

      .cta-grid{
        gap:1rem;
      }
    }

    @media (max-width: 575.98px){
      .container-wide{
        width:min(100% - 1rem, var(--container));
      }

      .site-nav .navbar{
        padding:.7rem 0;
      }

      .brand-mark{
        width:40px;
        height:40px;
        border-radius:14px;
      }

      .brand-text strong{
        font-size:.95rem;
      }

      .brand-text span{
        font-size:.76rem;
      }

      .hero-copy h1{
        font-size:1.9rem;
      }

      .section-shell{
        padding:3rem 0;
      }

      .spotlight-main h3,
      .cta-band h2{
        font-size:1.35rem;
      }

      .metric-grid,
      .spotlight-stats,
      .kpi-row{
        grid-template-columns:1fr;
      }

      .spotlight-head{
        flex-direction:column;
      }

      .filter-bar{
        flex-direction:column;
        align-items:stretch;
      }

      .sort-pill{
        justify-content:space-between;
        width:100%;
      }

      .accordion-button{
        font-size:.98rem;
      }

      .footer-note{
        font-size:.84rem;
      }

      .back-to-top{
        right:14px;
        bottom:14px;
      }
    }

/* roulang page: category2 */
:root{
      --bg-0:#050913;
      --bg-1:#07111f;
      --bg-2:#0b1729;
      --surface:rgba(10,18,32,.72);
      --surface-2:rgba(14,24,42,.88);
      --surface-3:rgba(18,32,54,.96);
      --line:rgba(175,205,255,.14);
      --line-2:rgba(122,150,205,.22);
      --text:#f5f7fb;
      --muted:#b7c3d9;
      --soft:#8fa1bf;
      --accent:#35d6ff;
      --accent-2:#7a5cff;
      --accent-3:#ffbe5c;
      --success:#67e8b5;
      --shadow:0 22px 55px rgba(0,0,0,.34);
      --shadow-soft:0 12px 30px rgba(4,8,18,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1280px;
      --transition:.28s ease;
      --nav-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(58,115,255,.20), transparent 28%),
        radial-gradient(circle at 85% 18%, rgba(53,214,255,.16), transparent 24%),
        radial-gradient(circle at 50% 80%, rgba(122,92,255,.18), transparent 28%),
        linear-gradient(180deg, #050913 0%, #07111f 42%, #0a1323 100%);
      min-height:100vh;
      overflow-x:hidden;
      line-height:1.7;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:56px 56px;
      opacity:.45;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.75), rgba(0,0,0,.18) 80%, transparent);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:-10%;
      pointer-events:none;
      background:
        radial-gradient(circle at 15% 12%, rgba(53,214,255,.10), transparent 16%),
        radial-gradient(circle at 85% 20%, rgba(122,92,255,.12), transparent 18%),
        radial-gradient(circle at 50% 85%, rgba(255,190,92,.08), transparent 22%);
      opacity:.42;
      filter:blur(16px);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),opacity var(--transition),transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition)}
    a:hover{color:#fff}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(53,214,255,.25);color:#fff}
    .container-wide{
      width:min(100% - 32px,var(--container));
      margin-inline:auto;
    }
    .focus-ring:focus,
    .btn:focus,
    .nav-link:focus,
    .form-control:focus,
    .accordion-button:focus{
      box-shadow:0 0 0 .22rem rgba(53,214,255,.14)!important;
      outline:none!important;
      border-color:rgba(53,214,255,.55)!important;
    }
    .site-nav{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:blur(18px);
      background:rgba(5,9,19,.62);
      border-bottom:1px solid rgba(180,205,255,.08);
    }
    .site-nav .navbar{
      min-height:var(--nav-h);
      padding:.85rem 0;
    }
    .brand-wrap{
      display:flex;
      align-items:center;
      gap:.85rem;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.34), transparent 30%),
        linear-gradient(135deg, rgba(53,214,255,1), rgba(122,92,255,1));
      box-shadow:0 0 0 1px rgba(255,255,255,.14) inset, 0 10px 24px rgba(53,214,255,.18);
      position:relative;
      flex:none;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.28);
      transform:rotate(13deg);
    }
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-text strong{
      font-size:1rem;
      letter-spacing:.2px;
      color:#fff;
      line-height:1.1;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.78rem;
      color:var(--soft);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .navbar-toggler{
      border:1px solid rgba(180,205,255,.14);
      border-radius:14px;
      padding:.58rem .72rem;
      background:rgba(255,255,255,.02);
    }
    .navbar-toggler-icon{
      width:24px;height:18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      position:relative;
    }
    .navbar-toggler-icon span,
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after{
      content:"";
      position:absolute;
      left:0;right:0;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, #8fefff, #9c92ff);
      box-shadow:0 0 10px rgba(53,214,255,.16);
    }
    .navbar-toggler-icon::before{top:0}
    .navbar-toggler-icon span{top:8px}
    .navbar-toggler-icon::after{bottom:0}
    .navbar-nav{gap:.45rem}
    .nav-link{
      color:rgba(245,247,251,.84);
      padding:.72rem .95rem!important;
      border-radius:999px;
      position:relative;
      font-weight:500;
      letter-spacing:.1px;
    }
    .nav-link:hover,
    .nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.045);
      box-shadow:0 0 0 1px rgba(180,205,255,.10) inset;
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:.28rem;
      width:18px;height:2px;
      border-radius:999px;
      transform:translateX(-50%);
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .nav-meta{
      display:flex;
      align-items:center;
      gap:.72rem;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-search{
      min-width:250px;
      display:flex;
      align-items:center;
      gap:.55rem;
      padding:.72rem .9rem;
      border-radius:999px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(180,205,255,.12);
      transition:var(--transition);
    }
    .nav-search:focus-within{
      border-color:rgba(53,214,255,.40);
      box-shadow:0 0 0 .22rem rgba(53,214,255,.10);
      background:rgba(255,255,255,.05);
    }
    .nav-search .icon{
      color:var(--accent);
      font-size:1rem;
      line-height:1;
      opacity:.92;
    }
    .nav-search input{
      flex:1;
      border:none;
      outline:none;
      background:transparent;
      color:#fff;
      min-width:0;
      font-size:.92rem;
    }
    .nav-search input::placeholder{color:rgba(183,195,217,.78)}
    .btn{
      border:1px solid transparent;
      padding:.78rem 1.1rem;
      border-radius:999px;
      font-weight:600;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition),color var(--transition),opacity var(--transition);
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-brand{
      color:#06101d;
      background:linear-gradient(135deg, #6cf0ff 0%, #79a8ff 50%, #8a68ff 100%);
      box-shadow:0 16px 32px rgba(56,149,255,.24), 0 0 0 1px rgba(255,255,255,.12) inset;
    }
    .btn-brand:hover{
      color:#04111d;
      box-shadow:0 18px 38px rgba(56,149,255,.30), 0 0 26px rgba(53,214,255,.20);
    }
    .btn-outline-brand{
      color:#edf6ff;
      border-color:rgba(180,205,255,.2);
      background:rgba(255,255,255,.02);
    }
    .btn-outline-brand:hover{
      color:#fff;
      border-color:rgba(53,214,255,.38);
      background:rgba(53,214,255,.08);
      box-shadow:0 0 0 1px rgba(53,214,255,.08) inset;
    }
    .hero{
      position:relative;
      padding:3.8rem 0 2.1rem;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(145deg, rgba(12,22,40,.98), rgba(8,15,28,.92)),
        radial-gradient(circle at top left, rgba(53,214,255,.12), transparent 22%),
        radial-gradient(circle at 80% 20%, rgba(122,92,255,.13), transparent 18%);
      border:1px solid rgba(180,205,255,.12);
      box-shadow:var(--shadow);
      padding:clamp(1.3rem,2vw,2rem);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(110deg, transparent 0%, rgba(255,255,255,.03) 46%, transparent 52%),
        radial-gradient(circle at 20% 20%, rgba(53,214,255,.10), transparent 18%),
        radial-gradient(circle at 70% 15%, rgba(122,92,255,.10), transparent 16%);
      pointer-events:none;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.45rem .8rem;
      border-radius:999px;
      border:1px solid rgba(180,205,255,.16);
      background:rgba(255,255,255,.04);
      color:#dfe9ff;
      font-size:.82rem;
      letter-spacing:.2px;
    }
    .badge-soft i{color:var(--accent)}
    .hero h1{
      margin:.95rem 0 .95rem;
      font-size:clamp(2.1rem,4vw,4.4rem);
      line-height:1.04;
      letter-spacing:-.02em;
      font-weight:800;
      max-width:12ch;
    }
    .hero p.lead{
      color:rgba(215,226,244,.9);
      font-size:1.02rem;
      max-width:60ch;
      margin-bottom:1.4rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.9rem;
      margin-bottom:1.45rem;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:1rem;
      margin-top:1.4rem;
    }
    .stat-card{
      background:rgba(255,255,255,.04);
      border:1px solid rgba(180,205,255,.12);
      border-radius:18px;
      padding:1rem 1rem .92rem;
      backdrop-filter:blur(12px);
      box-shadow:var(--shadow-soft);
      min-height:118px;
    }
    .stat-card .num{
      font-size:1.55rem;
      font-weight:800;
      letter-spacing:-.02em;
      color:#fff;
      display:block;
      margin-bottom:.2rem;
    }
    .stat-card .label{
      font-size:.9rem;
      color:var(--muted);
      margin-bottom:.35rem;
    }
    .stat-card .desc{
      font-size:.83rem;
      color:rgba(183,195,217,.86);
      line-height:1.55;
    }
    .hero-visual{
      position:relative;
      min-height:100%;
      display:flex;
      align-items:stretch;
      justify-content:flex-end;
    }
    .visual-panel{
      width:100%;
      min-height:100%;
      border-radius:24px;
      padding:1rem;
      background:
        linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02)),
        radial-gradient(circle at 22% 18%, rgba(53,214,255,.22), transparent 23%),
        radial-gradient(circle at 84% 14%, rgba(122,92,255,.18), transparent 20%),
        linear-gradient(150deg, rgba(8,14,28,.78), rgba(12,20,36,.96));
      border:1px solid rgba(180,205,255,.12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 38px rgba(0,0,0,.22);
      position:relative;
      overflow:hidden;
    }
    .visual-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:44px 44px;
      opacity:.24;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.65), transparent 100%);
    }
    .visual-panel .frame{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.35fr .92fr;
      gap:1rem;
      min-height:100%;
    }
    .glass-card{
      background:rgba(8,15,28,.55);
      border:1px solid rgba(180,205,255,.12);
      border-radius:22px;
      box-shadow:0 10px 26px rgba(0,0,0,.22);
      backdrop-filter:blur(14px);
    }
    .visual-main{
      padding:1.1rem;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:1rem;
    }
    .visual-main h2{
      font-size:1.28rem;
      margin:0;
      line-height:1.2;
    }
    .mini-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:.7rem;
    }
    .mini-list li{
      display:flex;
      align-items:flex-start;
      gap:.72rem;
      color:#dfe8f8;
      font-size:.92rem;
      padding:.62rem .7rem;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(180,205,255,.08);
    }
    .mini-list i{color:var(--success);margin-top:.15rem}
    .visual-side{
      display:grid;
      gap:1rem;
    }
    .metric-stack{
      padding:1rem;
      display:grid;
      gap:.8rem;
    }
    .metric{
      padding:.92rem 1rem;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(180,205,255,.10);
    }
    .metric span{
      display:block;
      color:var(--muted);
      font-size:.82rem;
      margin-bottom:.12rem;
    }
    .metric strong{
      display:block;
      font-size:1.15rem;
      color:#fff;
      letter-spacing:-.02em;
    }
    .section{
      padding:2.2rem 0;
      position:relative;
    }
    .section-head{
      margin-bottom:1.15rem;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      flex-wrap:wrap;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.45rem,2.2vw,2.05rem);
      font-weight:750;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:54ch;
    }
    .subtle-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      border:1px solid rgba(180,205,255,.1);
      border-radius:var(--radius-xl);
      padding:clamp(1rem,1.8vw,1.5rem);
      box-shadow:var(--shadow-soft);
    }
    .topic-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:1rem;
    }
    .topic-card{
      height:100%;
      border-radius:var(--radius-lg);
      padding:1.2rem;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03)),
        linear-gradient(135deg, rgba(12,20,36,.96), rgba(9,15,29,.88));
      border:1px solid rgba(180,205,255,.12);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
      position:relative;
      overflow:hidden;
    }
    .topic-card:hover{
      transform:translateY(-3px);
      border-color:rgba(53,214,255,.28);
      box-shadow:0 16px 34px rgba(0,0,0,.28);
    }
    .topic-card h3{
      margin:.9rem 0 .55rem;
      font-size:1.2rem;
      line-height:1.25;
    }
    .topic-card p{
      color:rgba(183,195,217,.94);
      margin:0;
    }
    .topic-icon{
      width:52px;height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(53,214,255,.14), rgba(122,92,255,.18));
      border:1px solid rgba(180,205,255,.16);
      color:#dff8ff;
      box-shadow:0 10px 24px rgba(53,214,255,.10);
      font-size:1.1rem;
    }
    .tags{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
      margin-top:1rem;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      border-radius:999px;
      padding:.4rem .7rem;
      border:1px solid rgba(180,205,255,.12);
      background:rgba(255,255,255,.035);
      color:#dbe7fb;
      font-size:.82rem;
    }
    .tag i{color:var(--accent);font-size:.75rem}
    .timeline{
      display:grid;
      gap:1rem;
    }
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:1rem;
      align-items:flex-start;
      padding:1rem 1rem .95rem;
      border-radius:20px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(180,205,255,.1);
    }
    .step-num{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(53,214,255,.18), rgba(122,92,255,.18));
      color:#fff;
      font-weight:800;
      box-shadow:0 10px 24px rgba(53,214,255,.10);
      flex:none;
    }
    .step h4{
      margin:0 0 .25rem;
      font-size:1.03rem;
    }
    .step p{
      margin:0;
      color:rgba(183,195,217,.94);
      font-size:.93rem;
    }
    .panel-rail{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:1rem;
    }
    .rail-card{
      border-radius:22px;
      padding:1.15rem;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(180,205,255,.1);
      box-shadow:var(--shadow-soft);
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .rail-card::before{
      content:"";
      position:absolute;
      inset:auto -24% -30% auto;
      width:180px;height:180px;
      background:radial-gradient(circle, rgba(53,214,255,.14), transparent 60%);
      pointer-events:none;
    }
    .rail-card .n{
      font-size:1.4rem;
      font-weight:800;
      color:#fff;
      margin-bottom:.5rem;
    }
    .rail-card h4{
      margin:0 0 .5rem;
      font-size:1.08rem;
    }
    .rail-card p{
      margin:0;
      color:rgba(183,195,217,.94);
      font-size:.93rem;
    }
    .feature-strip{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:1rem;
    }
    .feature-list{
      display:grid;
      gap:.75rem;
    }
    .feature-item{
      display:flex;
      gap:.75rem;
      align-items:flex-start;
      padding:.9rem 1rem;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(180,205,255,.08);
    }
    .feature-item i{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(53,214,255,.1);
      color:#aeefff;
      flex:none;
      margin-top:.1rem;
    }
    .feature-item strong{
      display:block;
      margin-bottom:.1rem;
      font-size:1rem;
    }
    .feature-item span{
      color:rgba(183,195,217,.92);
      font-size:.92rem;
    }
    .results-box{
      padding:1.15rem;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.03)),
        linear-gradient(135deg, rgba(21,30,50,.98), rgba(10,16,28,.9));
      border:1px solid rgba(180,205,255,.12);
      box-shadow:var(--shadow-soft);
    }
    .result-metrics{
      display:grid;
      gap:.85rem;
    }
    .result-row{
      display:grid;
      gap:.35rem;
    }
    .result-row .top{
      display:flex;
      justify-content:space-between;
      gap:1rem;
      font-size:.9rem;
      color:#d8e1f2;
    }
    .progress{
      height:10px;
      background:rgba(255,255,255,.06);
      border-radius:999px;
      overflow:hidden;
    }
    .progress-bar{
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .quote-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:1rem;
    }
    .quote-card{
      padding:1.1rem;
      border-radius:22px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(180,205,255,.1);
      box-shadow:var(--shadow-soft);
    }
    .quote-card .head{
      display:flex;
      align-items:center;
      gap:.85rem;
      margin-bottom:.8rem;
    }
    .avatar{
      width:48px;height:48px;border-radius:50%;
      background:
        linear-gradient(135deg, rgba(53,214,255,.28), rgba(122,92,255,.26)),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.32), transparent 36%);
      border:1px solid rgba(255,255,255,.12);
      flex:none;
      box-shadow:0 10px 24px rgba(53,214,255,.08);
    }
    .who strong{
      display:block;
      font-size:1rem;
      color:#fff;
      line-height:1.1;
    }
    .who span{
      font-size:.82rem;
      color:var(--muted);
    }
    .quote-card p{
      margin:0;
      color:rgba(224,231,244,.95);
      font-size:.94rem;
    }
    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:transparent;
      --bs-accordion-btn-color:#fff;
      --bs-accordion-btn-bg:transparent;
      --bs-accordion-active-color:#fff;
      --bs-accordion-active-bg:transparent;
      --bs-accordion-btn-focus-box-shadow:none;
    }
    .accordion-item{
      margin-bottom:.9rem;
      border:1px solid rgba(180,205,255,.1)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
    }
    .accordion-button{
      padding:1rem 1.05rem;
      background:transparent!important;
      color:#fff!important;
      font-weight:600;
    }
    .accordion-button:not(.collapsed){
      box-shadow:none;
      border-bottom:1px solid rgba(180,205,255,.08);
    }
    .accordion-button::after{
      filter:invert(1) brightness(1.3);
      opacity:.88;
    }
    .accordion-body{
      color:rgba(183,195,217,.94);
      padding:1rem 1.05rem 1.1rem;
      background:rgba(255,255,255,.015);
    }
    .cta-panel{
      overflow:hidden;
      position:relative;
      border-radius:var(--radius-xl);
      padding:clamp(1.3rem,2.2vw,2rem);
      background:
        radial-gradient(circle at 10% 10%, rgba(53,214,255,.18), transparent 22%),
        radial-gradient(circle at 86% 0%, rgba(122,92,255,.18), transparent 20%),
        linear-gradient(135deg, rgba(13,20,36,.98), rgba(8,12,22,.96));
      border:1px solid rgba(180,205,255,.12);
      box-shadow:var(--shadow);
    }
    .cta-panel h2{
      margin:0 0 .55rem;
      font-size:clamp(1.6rem,2.6vw,2.4rem);
      line-height:1.15;
    }
    .cta-panel p{
      margin:0 0 1.1rem;
      color:rgba(221,231,246,.92);
      max-width:60ch;
    }
    .cta-actions{
      display:flex;
      gap:.85rem;
      flex-wrap:wrap;
    }
    .footer{
      margin-top:2.2rem;
      padding:2.25rem 0 1.1rem;
      border-top:1px solid rgba(180,205,255,.10);
      background:
        linear-gradient(180deg, rgba(6,10,18,.15), rgba(6,10,18,.38)),
        rgba(5,9,19,.48);
      backdrop-filter:blur(10px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .85fr .85fr .95fr;
      gap:1.2rem;
    }
    .footer p{
      color:rgba(183,195,217,.92);
      margin:0;
      font-size:.95rem;
    }
    .footer h5{
      font-size:.98rem;
      margin:0 0 .85rem;
      color:#fff;
    }
    .footer ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.55rem;
    }
    .footer a{
      color:rgba(214,224,243,.88);
    }
    .footer a:hover{color:#fff}
    .footer-note{
      margin-top:1.3rem;
      padding-top:1rem;
      border-top:1px solid rgba(180,205,255,.10);
      display:flex;
      justify-content:space-between;
      gap:1rem;
      flex-wrap:wrap;
      color:rgba(159,173,202,.88);
      font-size:.88rem;
    }
    .breadcrumb{
      --bs-breadcrumb-divider-color:rgba(183,195,217,.55);
      margin-bottom:.8rem;
    }
    .breadcrumb a{color:rgba(222,232,248,.88)}
    .breadcrumb-item+.breadcrumb-item::before{color:rgba(183,195,217,.55)}
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin:.95rem 0 0;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.48rem .78rem;
      border-radius:999px;
      border:1px solid rgba(180,205,255,.1);
      background:rgba(255,255,255,.03);
      color:#d9e5f8;
      font-size:.82rem;
      cursor:pointer;
    }
    .chip.active,
    .chip:hover{
      background:rgba(53,214,255,.1);
      border-color:rgba(53,214,255,.24);
      color:#fff;
    }
    .sidebar-card{
      padding:1rem;
      border-radius:22px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(180,205,255,.1);
      box-shadow:var(--shadow-soft);
      height:100%;
    }
    .sidebar-card h3{
      font-size:1.05rem;
      margin:0 0 .8rem;
    }
    .quick-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.65rem;
    }
    .quick-list li{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:1rem;
      padding:.72rem .8rem;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(180,205,255,.08);
      color:#eaf2ff;
      font-size:.92rem;
    }
    .quick-list small{
      color:var(--muted);
      white-space:nowrap;
    }
    .back-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;height:48px;
      border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(53,214,255,.18), rgba(122,92,255,.22));
      border:1px solid rgba(180,205,255,.16);
      color:#fff;
      box-shadow:0 16px 30px rgba(0,0,0,.28);
      z-index:1040;
      opacity:0;
      visibility:hidden;
      transform:translateY(10px);
      transition:opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .back-top.show{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .back-top:hover{box-shadow:0 18px 36px rgba(53,214,255,.16)}
    @media (max-width:1199.98px){
      .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
      .topic-grid,.feature-strip,.footer-grid,.quote-grid,.panel-rail{grid-template-columns:1fr}
      .visual-panel .frame{grid-template-columns:1fr}
      .nav-search{min-width:210px}
    }
    @media (max-width:991.98px){
      .navbar-collapse{
        margin-top:.85rem;
        padding:1rem;
        border-radius:24px;
        background:rgba(10,17,30,.94);
        border:1px solid rgba(180,205,255,.12);
        box-shadow:var(--shadow-soft);
      }
      .nav-meta{
        justify-content:flex-start;
        margin-top:.9rem;
      }
      .nav-search{width:100%;min-width:0}
      .hero{padding:2.4rem 0 1.6rem}
      .hero h1{max-width:unset}
    }
    @media (max-width:767.98px){
      .hero-shell,.cta-panel{padding:1.1rem}
      .hero-stats{grid-template-columns:1fr}
      .section{padding:1.6rem 0}
      .section-head{align-items:flex-start}
      .stat-card,.topic-card,.rail-card,.quote-card,.sidebar-card,.results-box{border-radius:18px}
      .feature-item,.step,.quick-list li{padding:.85rem .85rem}
      .footer-note{flex-direction:column}
      .cta-actions .btn,
      .hero-actions .btn,
      .nav-meta .btn{width:100%;justify-content:center}
    }
    @media (max-width:575.98px){
      .container-wide{width:min(100% - 22px,var(--container))}
      .brand-text span{display:none}
      .badge-soft{font-size:.76rem}
      .hero h1{font-size:2rem}
      .hero p.lead{font-size:.95rem}
      .visual-main h2{font-size:1.1rem}
      .chip-row{gap:.45rem}
      .chip{padding:.42rem .68rem}
      .back-top{right:14px;bottom:14px}
    }