/* roulang page: index */
:root{
      --bg:#06101c;
      --bg-2:#0a1727;
      --bg-3:#0e2033;
      --panel:rgba(12,28,46,.68);
      --panel-strong:rgba(15,35,58,.86);
      --panel-soft:rgba(255,255,255,.055);
      --text:#edf7ff;
      --muted:#9db2c7;
      --weak:#7890a7;
      --line:rgba(143,211,255,.18);
      --line-strong:rgba(73,217,255,.45);
      --cyan:#4edcff;
      --cyan-2:#1aa9d8;
      --green:#8ff7d1;
      --purple:#a58cff;
      --warning:#ffd27a;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 0 1px rgba(78,220,255,.22),0 0 34px rgba(78,220,255,.18);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1220px;
      --nav-h:68px;
      --ease:220ms ease;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 10%,rgba(78,220,255,.16),transparent 32%),
        radial-gradient(circle at 82% 20%,rgba(165,140,255,.13),transparent 30%),
        radial-gradient(circle at 55% 76%,rgba(143,247,209,.08),transparent 34%),
        linear-gradient(135deg,#050b14 0%,#071421 48%,#08101e 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),rgba(0,0,0,.28));
    }
    body::after{
      content:"";
      position:fixed;
      inset:auto -20% -30% auto;
      width:560px;
      height:560px;
      border-radius:50%;
      background:rgba(78,220,255,.08);
      filter:blur(70px);
      z-index:-1;
      animation:floatGlow 14s ease-in-out infinite alternate;
    }
    @keyframes floatGlow{
      from{transform:translate3d(0,0,0) scale(1)}
      to{transform:translate3d(-80px,-70px,0) scale(1.16)}
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,select,textarea{outline:none}
    ::selection{background:rgba(78,220,255,.35);color:#fff}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .site-header{
      position:fixed;
      top:14px;
      left:0;
      width:100%;
      z-index:50;
      transition:var(--ease);
    }
    .site-header.is-scrolled{top:0}
    .nav-shell{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:10px 14px 10px 18px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(5,14,25,.62);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 45px rgba(0,0,0,.28);
      transition:var(--ease);
    }
    .site-header.is-scrolled .nav-shell{
      border-radius:0 0 24px 24px;
      background:rgba(5,14,25,.9);
      border-color:rgba(78,220,255,.22);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
      font-weight:800;
      letter-spacing:.2px;
      color:#fff;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:15px;
      position:relative;
      background:linear-gradient(135deg,rgba(78,220,255,.95),rgba(165,140,255,.72));
      box-shadow:0 0 30px rgba(78,220,255,.32);
      flex:0 0 auto;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      border:1px solid rgba(2,17,30,.75);
      background:rgba(4,20,34,.22);
    }
    .brand-mark::before{inset:9px;border-radius:10px}
    .brand-mark::after{width:7px;height:7px;border-radius:50%;right:8px;top:8px;background:#e9fbff}
    .brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:250px}
    .nav-left,.nav-right{display:flex;align-items:center;gap:20px}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:6px;
      list-style:none;
      padding:0;
      margin:0;
    }
    .nav-menu a{
      display:inline-flex;
      align-items:center;
      height:42px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:15px;
      transition:var(--ease);
    }
    .nav-menu a:hover,.nav-menu a:focus-visible{
      color:#fff;
      background:rgba(78,220,255,.09);
      box-shadow:inset 0 0 0 1px rgba(78,220,255,.18);
    }
    .nav-menu a.active{
      color:#06101c;
      background:linear-gradient(135deg,var(--cyan),#8ff7d1);
      box-shadow:0 0 26px rgba(78,220,255,.28);
      font-weight:700;
    }
    .search-pill{
      display:flex;
      align-items:center;
      gap:8px;
      min-width:190px;
      height:42px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(143,211,255,.2);
      background:rgba(255,255,255,.055);
      color:var(--weak);
      font-size:14px;
    }
    .search-dot{
      width:10px;height:10px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 16px rgba(143,247,209,.72);
      flex:0 0 auto;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 22px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.2px;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus-visible,.form-field:focus-visible,.faq-trigger:focus-visible,.mobile-toggle:focus-visible{
      outline:3px solid rgba(78,220,255,.45);
      outline-offset:3px;
    }
    .btn-primary{
      color:#03111d;
      background:linear-gradient(135deg,var(--cyan),#8ff7d1);
      box-shadow:0 12px 34px rgba(78,220,255,.28), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(78,220,255,.4), inset 0 1px 0 rgba(255,255,255,.5)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(0) scale(.99)}
    .btn-secondary{
      color:var(--text);
      border:1px solid rgba(143,211,255,.28);
      background:rgba(255,255,255,.055);
    }
    .btn-secondary:hover{border-color:rgba(78,220,255,.7);box-shadow:var(--glow);background:rgba(78,220,255,.09)}
    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
      color:#fff;
      align-items:center;justify-content:center;
    }
    .mobile-toggle span,.mobile-toggle span::before,.mobile-toggle span::after{
      display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:var(--ease);
      content:"";
    }
    .mobile-toggle span::before{transform:translateY(-6px)}
    .mobile-toggle span::after{transform:translateY(4px)}
    .mobile-toggle.is-open span{background:transparent}
    .mobile-toggle.is-open span::before{transform:translateY(2px) rotate(45deg);background:#fff}
    .mobile-toggle.is-open span::after{transform:translateY(0) rotate(-45deg);background:#fff}
    main{position:relative}
    .hero{
      min-height:86vh;
      padding:132px 0 92px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:95px 0 auto 0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(78,220,255,.36),transparent);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
      gap:58px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(143,211,255,.25);
      background:rgba(78,220,255,.075);
      color:#cdefff;
      font-size:14px;
      margin-bottom:20px;
    }
    .eyebrow i{
      width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 16px rgba(143,247,209,.75)
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:22px;
      font-size:clamp(36px,5.2vw,62px);
      line-height:1.14;
      letter-spacing:-1.2px;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 10%,#b7f4ff 42%,#8ff7d1 72%,#d5caff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:690px;
      margin-bottom:30px;
      color:#bdd0e1;
      font-size:18px;
      line-height:1.86;
    }
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:32px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      color:#cce8f4;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(143,211,255,.16);
      font-size:13px;
    }
    .tag::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 12px rgba(78,220,255,.65);
    }
    .hero-visual{
      position:relative;
      min-height:560px;
      border-radius:36px;
      padding:26px;
      background:
        radial-gradient(circle at 25% 20%,rgba(78,220,255,.16),transparent 34%),
        radial-gradient(circle at 80% 72%,rgba(165,140,255,.15),transparent 32%),
        linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      border:1px solid rgba(143,211,255,.18);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-visual::before{
      content:"";
      position:absolute;inset:0;
      background-image:linear-gradient(90deg,transparent 0 48%,rgba(78,220,255,.12) 50%,transparent 52%),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:220px 100%,34px 34px,34px 34px;
      animation:scanMove 8s linear infinite;
      opacity:.72;
    }
    @keyframes scanMove{to{background-position:220px 0,34px 34px,34px 34px}}
    .matrix-card{
      position:relative;
      z-index:1;
      border-radius:28px;
      border:1px solid rgba(143,211,255,.22);
      background:rgba(5,16,29,.68);
      backdrop-filter:blur(18px);
      box-shadow:0 24px 60px rgba(0,0,0,.34);
      padding:22px;
    }
    .matrix-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .window-dots{display:flex;gap:7px}
    .window-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
    .window-dots span:nth-child(1){background:var(--cyan)}
    .window-dots span:nth-child(2){background:var(--green)}
    .window-dots span:nth-child(3){background:var(--purple)}
    .status-chip{
      padding:6px 10px;
      border-radius:999px;
      color:#c8fff0;
      background:rgba(143,247,209,.1);
      border:1px solid rgba(143,247,209,.26);
      font-size:12px;
    }
    .content-matrix{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
    }
    .visual-panel{
      border-radius:22px;
      padding:16px;
      min-height:142px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(143,211,255,.14);
      position:relative;
      overflow:hidden;
    }
    .visual-panel h3{font-size:16px;margin-bottom:9px}
    .visual-panel p{color:var(--muted);font-size:13px;margin:0}
    .bar{
      height:9px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:12px 0;
    }
    .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--green));box-shadow:0 0 16px rgba(78,220,255,.55)}
    .node-map{
      height:155px;
      position:relative;
      margin-top:10px;
    }
    .node-map::before,.node-map::after{
      content:"";
      position:absolute;
      left:18%;right:12%;top:49%;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(78,220,255,.55),transparent);
      transform:rotate(-18deg);
    }
    .node-map::after{transform:rotate(22deg);top:55%}
    .node{
      position:absolute;width:16px;height:16px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 22px rgba(78,220,255,.75);
    }
    .n1{left:9%;top:44%}.n2{left:38%;top:24%;background:var(--green)}.n3{right:18%;top:42%;background:var(--purple)}.n4{left:55%;bottom:16%}
    .floating-note{
      position:absolute;
      z-index:2;
      right:18px;
      bottom:34px;
      width:210px;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(143,247,209,.25);
      background:rgba(8,26,38,.76);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 42px rgba(0,0,0,.3);
      animation:softFloat 5s ease-in-out infinite alternate;
    }
    @keyframes softFloat{to{transform:translateY(-12px)}}
    .floating-note strong{display:block;margin-bottom:5px;color:#eafff9}
    .floating-note small{color:#a7bece}
    .section{padding:96px 0;position:relative}
    .section.compact{padding:72px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      margin-bottom:10px;
      color:var(--cyan);
      font-size:14px;
      font-weight:700;
      letter-spacing:.12em;
    }
    h2{
      font-size:clamp(28px,3.3vw,42px);
      line-height:1.22;
      margin-bottom:0;
      letter-spacing:-.5px;
    }
    .section-desc{
      max-width:520px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .capability-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .card{
      border:1px solid var(--line);
      background:var(--panel);
      border-radius:var(--radius-lg);
      box-shadow:0 18px 50px rgba(0,0,0,.24);
      backdrop-filter:blur(18px);
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(78,220,255,.45);
      box-shadow:0 24px 70px rgba(0,0,0,.32),var(--glow);
      background:rgba(15,35,58,.78);
    }
    .feature-main{padding:34px;min-height:430px;display:flex;flex-direction:column;justify-content:space-between}
    .feature-main-top{max-width:680px}
    .icon-box{
      width:54px;height:54px;border-radius:20px;
      display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,rgba(78,220,255,.2),rgba(165,140,255,.16));
      border:1px solid rgba(143,211,255,.22);
      color:var(--cyan);
      margin-bottom:20px;
      box-shadow:0 0 28px rgba(78,220,255,.13);
    }
    .icon-box svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.8}
    .feature-main h3,.mini-card h3,.scene-detail h3,.process-card h3,.article-card h3{font-size:22px;line-height:1.35;margin-bottom:12px}
    .feature-main p,.mini-card p,.scene-detail p,.process-card p,.article-card p{color:var(--muted);margin-bottom:0}
    .feature-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:28px;
      padding:0;
      list-style:none;
    }
    .feature-list li{
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(143,211,255,.13);
      color:#d9eaf5;
      font-size:14px;
    }
    .mini-stack{display:grid;gap:22px}
    .mini-card{padding:26px;min-height:194px}
    .mini-card .tag{margin-top:18px}
    .metrics-panel{
      display:grid;
      grid-template-columns:1.05fr repeat(3,1fr);
      gap:1px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(143,211,255,.16);
      box-shadow:var(--shadow);
    }
    .metric-intro,.metric-item{
      background:rgba(7,20,34,.82);
      padding:28px;
      min-height:190px;
    }
    .metric-intro h2{font-size:30px;margin-bottom:12px}
    .metric-intro p{color:var(--muted);margin:0}
    .metric-num{
      display:block;
      font-size:40px;
      line-height:1;
      font-weight:900;
      letter-spacing:-1px;
      color:#eaffff;
      margin-bottom:14px;
      text-shadow:0 0 28px rgba(78,220,255,.25);
    }
    .metric-item p{color:var(--muted);margin:0;font-size:15px}
    .metric-label{display:inline-flex;color:var(--green);font-size:13px;margin-bottom:22px}
    .scene-layout{
      display:grid;
      grid-template-columns:360px minmax(0,1fr);
      gap:24px;
      align-items:stretch;
    }
    .scene-menu{
      padding:16px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .scene-tab{
      width:100%;
      text-align:left;
      padding:18px;
      border-radius:20px;
      margin-bottom:10px;
      color:var(--muted);
      background:transparent;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .scene-tab strong{display:block;color:#dff6ff;font-size:16px;margin-bottom:4px}
    .scene-tab:hover,.scene-tab.active{
      background:rgba(78,220,255,.09);
      border-color:rgba(78,220,255,.28);
      color:#bfefff;
    }
    .scene-detail{
      padding:34px;
      position:relative;
      overflow:hidden;
      min-height:390px;
    }
    .scene-detail::after{
      content:"";
      position:absolute;
      right:-70px;bottom:-90px;
      width:310px;height:310px;border-radius:50%;
      border:1px solid rgba(78,220,255,.18);
      box-shadow:inset 0 0 60px rgba(78,220,255,.09);
    }
    .scene-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .scene-stat{
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(143,211,255,.14);
      padding:18px;
    }
    .scene-stat b{display:block;font-size:22px;color:#fff;margin-bottom:6px}
    .scene-stat span{color:var(--muted);font-size:13px}
    .process-line{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
    }
    .process-card{
      padding:26px;
      position:relative;
    }
    .step-num{
      width:42px;height:42px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      color:#03111d;
      background:linear-gradient(135deg,var(--cyan),var(--green));
      font-weight:900;
      box-shadow:0 0 28px rgba(78,220,255,.35);
      margin-bottom:18px;
    }
    .insight-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .article-card{padding:28px}
    .article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
    .article-card .btn{margin-top:20px;min-height:42px;padding:0 18px}
    .proof-band{
      display:grid;
      grid-template-columns:1fr 1.4fr;
      gap:28px;
      align-items:center;
      padding:36px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(78,220,255,.12),rgba(165,140,255,.08)),
        rgba(255,255,255,.04);
      border:1px solid rgba(143,211,255,.2);
      box-shadow:var(--shadow);
    }
    .proof-list{display:grid;gap:14px;padding:0;margin:0;list-style:none}
    .proof-list li{
      display:flex;gap:12px;align-items:flex-start;
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.052);
      border:1px solid rgba(143,211,255,.13);
      color:#d4e7f4;
    }
    .check{
      width:22px;height:22px;border-radius:50%;
      flex:0 0 auto;
      display:inline-flex;align-items:center;justify-content:center;
      background:rgba(143,247,209,.14);
      color:var(--green);
      margin-top:3px;
    }
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item.active{border-color:rgba(78,220,255,.44);box-shadow:var(--glow)}
    .faq-trigger{
      width:100%;
      min-height:70px;
      padding:20px 24px;
      background:transparent;
      color:#effaff;
      text-align:left;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      font-weight:800;
      font-size:17px;
    }
    .faq-icon{
      width:30px;height:30px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(143,211,255,.24);
      color:var(--cyan);
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item.active .faq-icon{transform:rotate(45deg);background:rgba(78,220,255,.1)}
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height 260ms ease;
    }
    .faq-panel p{
      padding:0 24px 22px;
      margin:0;
      color:var(--muted);
    }
    .cta-panel{
      display:grid;
      grid-template-columns:1fr 430px;
      gap:34px;
      align-items:center;
      padding:38px;
      border-radius:36px;
      background:
        radial-gradient(circle at 14% 20%,rgba(78,220,255,.18),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border:1px solid rgba(143,211,255,.24);
      box-shadow:var(--shadow),0 0 60px rgba(78,220,255,.08);
    }
    .cta-panel h2{margin-bottom:14px}
    .cta-panel p{color:var(--muted);margin-bottom:24px}
    .contact-form{
      display:grid;
      gap:12px;
      padding:20px;
      border-radius:26px;
      background:rgba(2,13,23,.42);
      border:1px solid rgba(143,211,255,.16);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .form-field{
      width:100%;
      min-height:48px;
      padding:0 15px;
      border-radius:16px;
      color:var(--text);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(143,211,255,.18);
      transition:var(--ease);
    }
    textarea.form-field{padding:13px 15px;min-height:92px;resize:vertical}
    .form-field::placeholder{color:#748ba2}
    .form-field:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(78,220,255,.1)}
    .form-note{
      color:var(--weak);
      font-size:13px;
      margin:0;
      line-height:1.6;
    }
    .form-status{
      display:none;
      color:#c8fff0;
      background:rgba(143,247,209,.09);
      border:1px solid rgba(143,247,209,.24);
      border-radius:14px;
      padding:10px 12px;
      font-size:14px;
    }
    .form-status.show{display:block}
    .site-footer{
      background:rgba(3,10,18,.92);
      border-top:1px solid rgba(78,220,255,.18);
      padding:54px 0 28px;
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      top:-1px;left:0;right:0;height:1px;
      background:linear-gradient(90deg,transparent,rgba(78,220,255,.72),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand p{color:var(--muted);margin:18px 0 0;max-width:390px}
    .footer-title{font-weight:800;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-links span{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:24px;
      border-top:1px solid rgba(143,211,255,.12);
      color:#71879b;
      font-size:13px;
    }
    @media (max-width:1080px){
      .hero-grid,.capability-layout,.scene-layout,.proof-band,.cta-panel{grid-template-columns:1fr}
      .hero-visual{min-height:480px}
      .metrics-panel{grid-template-columns:repeat(2,1fr)}
      .process-line{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-pill{display:none}
    }
    @media (max-width:768px){
      :root{--nav-h:60px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .site-header{top:10px}
      .nav-shell{border-radius:24px;padding:9px 10px 9px 12px}
      .brand-text{max-width:178px;font-size:14px}
      .mobile-toggle{display:flex}
      .nav-left{gap:10px;flex:1}
      .nav-right{
        position:absolute;
        left:14px;right:14px;top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:12px;
        padding:14px;
        border-radius:24px;
        background:rgba(5,14,25,.96);
        border:1px solid rgba(78,220,255,.22);
        box-shadow:0 22px 60px rgba(0,0,0,.45);
      }
      .nav-right.is-open{display:flex}
      .nav-menu{width:100%;display:grid;gap:8px}
      .nav-menu a{width:100%;justify-content:center}
      .nav-right .btn{width:100%}
      .hero{padding:112px 0 62px;min-height:auto}
      .hero-grid{gap:34px}
      .hero-lead{font-size:16px}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%}
      .hero-visual{min-height:420px;padding:16px;border-radius:28px}
      .content-matrix{grid-template-columns:1fr}
      .floating-note{position:relative;right:auto;bottom:auto;width:auto;margin-top:14px}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-desc{margin-top:14px}
      .feature-main{padding:24px;min-height:auto}
      .feature-list,.scene-grid,.insight-wrap,.form-grid{grid-template-columns:1fr}
      .metrics-panel{grid-template-columns:1fr}
      .metric-intro,.metric-item{min-height:auto}
      .process-line{grid-template-columns:1fr}
      .cta-panel{padding:24px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:520px){
      h1{font-size:34px;letter-spacing:-.6px}
      h2{font-size:28px}
      .brand-mark{width:34px;height:34px;border-radius:13px}
      .tag-row{gap:8px}
      .card,.scene-menu,.cta-panel,.hero-visual{border-radius:22px}
      .metric-num{font-size:34px}
      .faq-trigger{font-size:16px;padding:18px}
      .faq-panel p{padding:0 18px 20px}
    }

/* roulang page: category1 */
:root {
      --bg-0: #030914;
      --bg-1: #061827;
      --bg-2: #092238;
      --panel: rgba(9, 29, 48, .68);
      --panel-strong: rgba(13, 42, 66, .86);
      --panel-soft: rgba(255, 255, 255, .055);
      --text: #eef8ff;
      --text-soft: #b8cddd;
      --text-muted: #7f99ad;
      --line: rgba(157, 220, 255, .18);
      --line-strong: rgba(64, 218, 255, .46);
      --cyan: #34dfff;
      --cyan-2: #72f4df;
      --purple: #9a7cff;
      --green: #86f7c2;
      --warning: #ffe59a;
      --shadow: 0 24px 80px rgba(0, 0, 0, .38);
      --glow: 0 0 34px rgba(52, 223, 255, .28);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1200px;
      --header-h: 72px;
      --ease: 220ms ease;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(52, 223, 255, .18), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(154, 124, 255, .16), transparent 34%),
        radial-gradient(circle at 54% 74%, rgba(114, 244, 223, .10), transparent 30%),
        linear-gradient(135deg, var(--bg-0) 0%, var(--bg-1) 48%, #04101e 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(157, 220, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(157, 220, 255, .055) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle at center, black 0%, transparent 78%);
    }

    body::after {
      content: "";
      position: fixed;
      width: 680px;
      height: 680px;
      right: -260px;
      top: 170px;
      z-index: -1;
      pointer-events: none;
      background: radial-gradient(circle, rgba(52, 223, 255, .14), transparent 62%);
      filter: blur(8px);
      animation: floatGlow 14s ease-in-out infinite alternate;
    }

    @keyframes floatGlow {
      from { transform: translate3d(0, 0, 0) scale(1); opacity: .72; }
      to { transform: translate3d(-36px, 40px, 0) scale(1.08); opacity: .94; }
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      color: #04101e;
      background: var(--cyan);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: var(--header-h);
      display: flex;
      align-items: center;
      background: rgba(3, 10, 18, .62);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(157, 220, 255, .12);
      transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(3, 10, 18, .9);
      border-color: rgba(52, 223, 255, .20);
      box-shadow: 0 12px 38px rgba(0, 0, 0, .28);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 64px;
    }

    .nav-left,
    .nav-right {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: var(--text);
      font-weight: 800;
      letter-spacing: -.02em;
      transition: transform var(--ease), color var(--ease);
    }

    .brand:hover {
      transform: translateY(-1px);
      color: #ffffff;
    }

    .brand-mark {
      position: relative;
      width: 36px;
      height: 36px;
      flex: 0 0 36px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(52, 223, 255, .95), rgba(154, 124, 255, .55)),
        radial-gradient(circle at 70% 20%, #fff, transparent 18%);
      box-shadow: 0 0 24px rgba(52, 223, 255, .36);
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255, 255, 255, .65);
      border-radius: 9px;
      inset: 8px;
      transform: rotate(12deg);
    }

    .brand-mark::after {
      inset: 13px;
      border-color: rgba(3, 10, 18, .52);
      background: rgba(3, 10, 18, .24);
    }

    .brand-text {
      font-size: 17px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 260px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .nav-menu a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 15px;
      color: var(--text-soft);
      border: 1px solid transparent;
      border-radius: 999px;
      font-size: 14px;
      transition: color var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .nav-menu a:hover,
    .nav-menu a:focus-visible {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
      border-color: rgba(52, 223, 255, .22);
      outline: none;
    }

    .nav-menu a.active {
      color: #04101e;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      border-color: rgba(255, 255, 255, .18);
      box-shadow: 0 0 22px rgba(52, 223, 255, .28);
      font-weight: 700;
    }

    .search-pill {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 38px;
      padding: 0 14px;
      border: 1px solid rgba(157, 220, 255, .16);
      background: rgba(255, 255, 255, .045);
      border-radius: 999px;
      color: var(--text-soft);
      font-size: 13px;
      white-space: nowrap;
    }

    .search-dot {
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--green);
      box-shadow: 0 0 16px rgba(134, 247, 194, .72);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 14px;
      letter-spacing: .01em;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease), opacity var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn:focus-visible,
    .tag:focus-visible,
    .faq-question:focus-visible,
    .field input:focus-visible,
    .field textarea:focus-visible,
    .mobile-toggle:focus-visible {
      outline: 3px solid rgba(52, 223, 255, .35);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #03131d;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      box-shadow: 0 0 28px rgba(52, 223, 255, .34), inset 0 1px 0 rgba(255, 255, 255, .45);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 38px rgba(52, 223, 255, .48), 0 16px 36px rgba(0, 0, 0, .28);
    }

    .btn-secondary {
      color: var(--text);
      border: 1px solid rgba(52, 223, 255, .35);
      background: rgba(255, 255, 255, .055);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
    }

    .btn-secondary:hover {
      color: #04101e;
      background: var(--cyan);
      border-color: var(--cyan);
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(52, 223, 255, .30);
    }

    .btn:active {
      transform: translateY(0) scale(.99);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(157, 220, 255, .14);
      position: relative;
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      position: absolute;
      left: 12px;
      width: 20px;
      height: 2px;
      border-radius: 99px;
      background: var(--text);
      transition: transform var(--ease), top var(--ease), opacity var(--ease);
      content: "";
    }

    .mobile-toggle span {
      top: 21px;
    }

    .mobile-toggle span::before {
      top: -7px;
      left: 0;
    }

    .mobile-toggle span::after {
      top: 7px;
      left: 0;
    }

    .mobile-toggle.is-open span {
      background: transparent;
    }

    .mobile-toggle.is-open span::before {
      top: 0;
      transform: rotate(45deg);
    }

    .mobile-toggle.is-open span::after {
      top: 0;
      transform: rotate(-45deg);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-tight {
      padding: 72px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(52, 223, 255, .22);
      background: rgba(52, 223, 255, .07);
      color: #c9f8ff;
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--cyan);
      box-shadow: 0 0 16px rgba(52, 223, 255, .7);
    }

    .page-hero {
      position: relative;
      padding: 82px 0 48px;
      min-height: 560px;
      display: flex;
      align-items: center;
      background:
        radial-gradient(circle at 80% 22%, rgba(52, 223, 255, .18), transparent 32%),
        radial-gradient(circle at 40% 95%, rgba(154, 124, 255, .16), transparent 34%);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(52, 223, 255, .5), transparent);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 48px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .breadcrumb a {
      color: var(--text-soft);
      transition: color var(--ease);
    }

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

    .breadcrumb span:last-child {
      color: var(--cyan-2);
    }

    h1, h2, h3, p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 22px;
      max-width: 860px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.16;
      letter-spacing: -.055em;
    }

    .hero-lead {
      margin: 0 0 30px;
      max-width: 720px;
      color: var(--text-soft);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 30px;
    }

    .hero-meta {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 680px;
    }

    .mini-stat {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .052);
      border: 1px solid rgba(157, 220, 255, .14);
    }

    .mini-stat strong {
      display: block;
      color: var(--text);
      font-size: 20px;
      line-height: 1.2;
    }

    .mini-stat span {
      display: block;
      margin-top: 4px;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .visual-panel {
      position: relative;
      min-height: 410px;
      border-radius: 34px;
      border: 1px solid rgba(157, 220, 255, .18);
      background:
        linear-gradient(145deg, rgba(255, 255, 255, .095), rgba(255, 255, 255, .035)),
        radial-gradient(circle at 20% 20%, rgba(52, 223, 255, .16), transparent 36%),
        rgba(5, 20, 34, .72);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      backdrop-filter: blur(18px);
    }

    .visual-panel::before {
      content: "";
      position: absolute;
      inset: 22px;
      border-radius: 26px;
      border: 1px solid rgba(52, 223, 255, .12);
      background-image:
        linear-gradient(rgba(52, 223, 255, .075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(52, 223, 255, .075) 1px, transparent 1px);
      background-size: 30px 30px;
    }

    .scan-line {
      position: absolute;
      left: 34px;
      right: 34px;
      top: 40%;
      height: 2px;
      background: linear-gradient(90deg, transparent, rgba(52, 223, 255, .9), transparent);
      box-shadow: 0 0 28px rgba(52, 223, 255, .48);
      animation: scanMove 5s ease-in-out infinite;
    }

    @keyframes scanMove {
      0%, 100% { transform: translateY(-90px); opacity: .45; }
      50% { transform: translateY(115px); opacity: 1; }
    }

    .matrix-card {
      position: absolute;
      border-radius: 20px;
      border: 1px solid rgba(157, 220, 255, .2);
      background: rgba(4, 18, 31, .78);
      box-shadow: 0 18px 46px rgba(0, 0, 0, .26);
      backdrop-filter: blur(14px);
    }

    .matrix-card.large {
      left: 38px;
      top: 48px;
      width: 260px;
      padding: 18px;
    }

    .matrix-card.side {
      right: 38px;
      top: 82px;
      width: 190px;
      padding: 16px;
    }

    .matrix-card.bottom {
      left: 82px;
      right: 58px;
      bottom: 42px;
      padding: 18px;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      color: var(--text);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .panel-chip {
      padding: 4px 9px;
      border-radius: 999px;
      color: #061827;
      background: var(--cyan-2);
      font-size: 12px;
      font-weight: 800;
    }

    .bar-list {
      display: grid;
      gap: 10px;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      width: var(--w);
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--purple));
      box-shadow: 0 0 18px rgba(52, 223, 255, .36);
    }

    .node-map {
      position: relative;
      height: 120px;
    }

    .node {
      position: absolute;
      width: 12px;
      height: 12px;
      border-radius: 99px;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(52, 223, 255, .82);
    }

    .node:nth-child(1) { left: 15%; top: 22%; }
    .node:nth-child(2) { left: 58%; top: 16%; background: var(--purple); }
    .node:nth-child(3) { left: 74%; top: 62%; background: var(--green); }
    .node:nth-child(4) { left: 30%; top: 72%; }

    .tag-row,
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      border: 1px solid rgba(157, 220, 255, .16);
      background: rgba(255, 255, 255, .055);
      color: var(--text-soft);
      padding: 8px 13px;
      font-size: 13px;
      line-height: 1;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    .tag:hover,
    .tag.active {
      color: #03131d;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      border-color: transparent;
      box-shadow: 0 0 24px rgba(52, 223, 255, .26);
      transform: translateY(-1px);
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-title {
      max-width: 760px;
    }

    .section-title h2 {
      margin-bottom: 12px;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.22;
      letter-spacing: -.04em;
    }

    .section-title p {
      margin-bottom: 0;
      color: var(--text-soft);
      font-size: 16px;
      max-width: 720px;
    }

    .glass-card {
      border: 1px solid rgba(157, 220, 255, .16);
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(255, 255, 255, .078), rgba(255, 255, 255, .035));
      box-shadow: 0 18px 56px rgba(0, 0, 0, .26);
      backdrop-filter: blur(16px);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(52, 223, 255, .34);
      box-shadow: 0 24px 70px rgba(0, 0, 0, .34), 0 0 26px rgba(52, 223, 255, .14);
      background: linear-gradient(145deg, rgba(255, 255, 255, .095), rgba(255, 255, 255, .045));
    }

    .solution-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 24px;
      align-items: start;
    }

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

    .solution-card {
      min-height: 250px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .solution-card.featured {
      grid-column: 1 / -1;
      min-height: 270px;
      background:
        radial-gradient(circle at 88% 12%, rgba(52, 223, 255, .18), transparent 32%),
        linear-gradient(145deg, rgba(255, 255, 255, .095), rgba(255, 255, 255, .035));
    }

    .card-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .icon-box {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #04101e;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      box-shadow: 0 0 24px rgba(52, 223, 255, .28);
      flex: 0 0 46px;
    }

    .icon-box svg {
      width: 24px;
      height: 24px;
    }

    .solution-card h3,
    .scenario-card h3,
    .process-card h3,
    .side-card h3 {
      margin-bottom: 10px;
      color: var(--text);
      font-size: 20px;
      line-height: 1.35;
    }

    .solution-card p,
    .scenario-card p,
    .process-card p,
    .side-card p {
      color: var(--text-soft);
      margin-bottom: 18px;
      font-size: 15px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-weight: 800;
      font-size: 14px;
      transition: gap var(--ease), color var(--ease);
    }

    .card-link:hover {
      gap: 12px;
      color: var(--cyan-2);
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 96px;
    }

    .side-card {
      padding: 24px;
    }

    .side-card.highlight {
      background:
        radial-gradient(circle at 16% 20%, rgba(134, 247, 194, .16), transparent 36%),
        rgba(255, 255, 255, .055);
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-soft);
      font-size: 14px;
    }

    .check-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 9px;
      flex: 0 0 9px;
      border-radius: 99px;
      background: var(--green);
      box-shadow: 0 0 14px rgba(134, 247, 194, .55);
    }

    .info-strip {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

    .strip-panel {
      padding: 30px;
      min-height: 260px;
      position: relative;
      overflow: hidden;
    }

    .strip-panel::after {
      content: "";
      position: absolute;
      width: 240px;
      height: 240px;
      right: -80px;
      bottom: -110px;
      border-radius: 50%;
      border: 1px solid rgba(52, 223, 255, .2);
      box-shadow: inset 0 0 40px rgba(52, 223, 255, .08);
    }

    .strip-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 22px;
    }

    .strip-item {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(157, 220, 255, .14);
      background: rgba(3, 10, 18, .22);
    }

    .strip-item strong {
      display: block;
      margin-bottom: 5px;
      font-size: 24px;
      color: var(--cyan-2);
      line-height: 1.2;
    }

    .strip-item span {
      color: var(--text-muted);
      font-size: 13px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 24px;
      align-items: stretch;
    }

    .scenario-menu {
      padding: 24px;
      display: grid;
      gap: 12px;
    }

    .scenario-tab {
      text-align: left;
      padding: 16px 18px;
      border-radius: 18px;
      color: var(--text-soft);
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(157, 220, 255, .12);
      transition: all var(--ease);
    }

    .scenario-tab:hover,
    .scenario-tab.active {
      color: var(--text);
      border-color: rgba(52, 223, 255, .34);
      background: rgba(52, 223, 255, .08);
      box-shadow: 0 0 22px rgba(52, 223, 255, .10);
    }

    .scenario-card {
      padding: 32px;
      min-height: 100%;
      position: relative;
      overflow: hidden;
    }

    .scenario-card::before {
      content: "";
      position: absolute;
      inset: 26px 26px auto auto;
      width: 132px;
      height: 132px;
      border-radius: 32px;
      transform: rotate(18deg);
      background:
        linear-gradient(135deg, rgba(52, 223, 255, .13), rgba(154, 124, 255, .13));
      border: 1px solid rgba(157, 220, 255, .12);
    }

    .scenario-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
      position: relative;
      z-index: 1;
    }

    .scenario-point {
      display: grid;
      grid-template-columns: 120px minmax(0, 1fr);
      gap: 16px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(3, 10, 18, .26);
      border: 1px solid rgba(157, 220, 255, .12);
    }

    .scenario-point strong {
      color: var(--cyan-2);
      font-size: 14px;
    }

    .scenario-point span {
      color: var(--text-soft);
      font-size: 14px;
    }

    .process-line {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
      position: relative;
    }

    .process-line::before {
      content: "";
      position: absolute;
      left: 7%;
      right: 7%;
      top: 38px;
      height: 1px;
      background: linear-gradient(90deg, rgba(52, 223, 255, .05), rgba(52, 223, 255, .46), rgba(52, 223, 255, .05));
    }

    .process-card {
      padding: 24px;
      position: relative;
      z-index: 1;
    }

    .step-num {
      display: grid;
      place-items: center;
      width: 48px;
      height: 48px;
      margin-bottom: 20px;
      border-radius: 999px;
      color: #04101e;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      box-shadow: 0 0 28px rgba(52, 223, 255, .28);
      font-weight: 900;
    }

    .deliver-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

    .deliver-card {
      padding: 28px;
    }

    .rank-list {
      display: grid;
      gap: 12px;
      margin-top: 20px;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 15px;
      border-radius: 18px;
      border: 1px solid rgba(157, 220, 255, .13);
      background: rgba(3, 10, 18, .24);
    }

    .rank-index {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(52, 223, 255, .10);
      color: var(--cyan);
      font-weight: 900;
    }

    .rank-row strong {
      color: var(--text);
      font-size: 15px;
    }

    .rank-row span {
      color: var(--text-muted);
      font-size: 13px;
    }

    .status-badge {
      color: var(--green);
      font-size: 13px;
      white-space: nowrap;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 26px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 22px;
      border: 1px solid rgba(157, 220, 255, .15);
      background: rgba(255, 255, 255, .05);
      overflow: hidden;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .faq-item.is-open {
      border-color: rgba(52, 223, 255, .32);
      box-shadow: 0 0 24px rgba(52, 223, 255, .10);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 20px 22px;
      color: var(--text);
      text-align: left;
      background: transparent;
      font-weight: 800;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 28px;
      border-radius: 999px;
      color: #04101e;
      background: rgba(52, 223, 255, .9);
      transition: transform var(--ease);
    }

    .faq-item.is-open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--text-soft);
      font-size: 15px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 28px;
      align-items: center;
      padding: 36px;
      border-radius: 34px;
      border: 1px solid rgba(52, 223, 255, .22);
      background:
        radial-gradient(circle at 18% 20%, rgba(52, 223, 255, .22), transparent 34%),
        radial-gradient(circle at 84% 82%, rgba(154, 124, 255, .18), transparent 32%),
        rgba(7, 25, 42, .78);
      box-shadow: var(--shadow), 0 0 40px rgba(52, 223, 255, .12);
    }

    .cta-panel h2 {
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.2;
      margin-bottom: 14px;
      letter-spacing: -.04em;
    }

    .cta-panel p {
      color: var(--text-soft);
      margin-bottom: 22px;
    }

    .contact-form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: 24px;
      border: 1px solid rgba(157, 220, 255, .14);
      background: rgba(3, 10, 18, .3);
    }

    .field {
      display: grid;
      gap: 6px;
    }

    .field label {
      color: var(--text-soft);
      font-size: 13px;
      font-weight: 700;
    }

    .field input,
    .field textarea {
      width: 100%;
      min-height: 44px;
      border: 1px solid rgba(157, 220, 255, .16);
      border-radius: 15px;
      background: rgba(255, 255, 255, .055);
      color: var(--text);
      padding: 10px 13px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field textarea {
      resize: vertical;
      min-height: 88px;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(184, 205, 221, .58);
    }

    .field input:focus,
    .field textarea:focus {
      border-color: rgba(52, 223, 255, .55);
      box-shadow: 0 0 0 4px rgba(52, 223, 255, .10);
      background: rgba(255, 255, 255, .075);
    }

    .form-note {
      color: var(--text-muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .site-footer {
      padding: 60px 0 30px;
      background:
        linear-gradient(180deg, rgba(3, 10, 18, .1), rgba(3, 10, 18, .92) 24%),
        #030a12;
      border-top: 1px solid rgba(52, 223, 255, .18);
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(52, 223, 255, .65), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr .8fr 1.05fr;
      gap: 32px;
      align-items: start;
    }

    .footer-brand p {
      margin: 18px 0 0;
      color: var(--text-muted);
      font-size: 14px;
      max-width: 360px;
    }

    .footer-title {
      margin-bottom: 14px;
      color: var(--text);
      font-weight: 900;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      color: var(--text-muted);
      font-size: 14px;
    }

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

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(157, 220, 255, .12);
      color: var(--text-muted);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .solution-layout,
      .info-strip,
      .scenario-grid,
      .deliver-grid,
      .faq-wrap,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .visual-panel {
        min-height: 360px;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .process-line::before {
        display: none;
      }

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

      .search-pill {
        display: none;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: 66px;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        height: auto;
        min-height: var(--header-h);
      }

      .nav-shell {
        min-height: var(--header-h);
      }

      .mobile-toggle {
        display: block;
        margin-left: auto;
      }

      .nav-right {
        position: fixed;
        left: 14px;
        right: 14px;
        top: 76px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        padding: 16px;
        border-radius: 22px;
        border: 1px solid rgba(52, 223, 255, .20);
        background: rgba(3, 10, 18, .94);
        box-shadow: 0 24px 60px rgba(0, 0, 0, .42);
        backdrop-filter: blur(18px);
      }

      .nav-right.is-open {
        display: flex;
      }

      .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }

      .nav-menu a {
        justify-content: flex-start;
        width: 100%;
      }

      .nav-right .btn {
        width: 100%;
      }

      .brand-text {
        max-width: 210px;
        font-size: 15px;
      }

      .page-hero {
        padding: 54px 0 38px;
        min-height: auto;
      }

      .hero-meta,
      .solution-list,
      .strip-grid,
      .process-line,
      .side-stack {
        grid-template-columns: 1fr;
      }

      .section,
      .section-tight {
        padding: 64px 0;
      }

      .section-head {
        display: block;
      }

      .filter-bar {
        margin-top: 20px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .matrix-card.side {
        display: none;
      }

      .matrix-card.large {
        left: 24px;
        right: 24px;
        width: auto;
      }

      .matrix-card.bottom {
        left: 24px;
        right: 24px;
      }

      .scenario-point,
      .rank-row {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 24px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      h1 {
        font-size: 32px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .glass-card,
      .solution-card,
      .side-card,
      .strip-panel,
      .scenario-card,
      .deliver-card {
        border-radius: 20px;
      }

      .solution-card,
      .side-card,
      .strip-panel,
      .scenario-card,
      .deliver-card {
        padding: 20px;
      }

      .visual-panel {
        min-height: 330px;
        border-radius: 24px;
      }

      .tag,
      .badge {
        font-size: 12px;
        padding: 8px 11px;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
        flex-basis: 32px;
      }
    }