/* roulang page: index */
:root{
      --bg:#07131f;
      --bg-soft:#0b1b2b;
      --bg-card:rgba(15,38,57,.72);
      --bg-card-strong:rgba(18,48,70,.88);
      --primary:#42d9e8;
      --primary-deep:#168ea2;
      --secondary:#79e3bd;
      --accent:#e9fbff;
      --text:#eef8fb;
      --muted:#9db8c6;
      --muted-2:#6f8d9e;
      --border:rgba(148,210,224,.18);
      --border-strong:rgba(111,225,232,.36);
      --shadow:0 24px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 42px rgba(20,184,166,.12);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(66,217,232,.18), transparent 30%),
        radial-gradient(circle at 85% 18%, rgba(121,227,189,.12), transparent 24%),
        linear-gradient(180deg,#06111d 0%,#081827 42%,#07131f 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      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:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 86%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .topbar{
      border-bottom:1px solid rgba(148,210,224,.12);
      background:rgba(5,17,29,.74);
      backdrop-filter:blur(18px);
      color:var(--muted);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .topbar-center{color:#cfeaf0}
    .topbar a{color:var(--primary);font-weight:700}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(148,210,224,.14);
      background:rgba(7,19,31,.74);
      backdrop-filter:blur(22px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(66,217,232,.22),rgba(121,227,189,.12));
      border:1px solid var(--border-strong);
      box-shadow:0 0 26px rgba(66,217,232,.16);
      flex:0 0 auto;
    }
    .brand-mark span{
      width:18px;height:18px;border-radius:50%;
      border:2px solid var(--primary);
      position:relative;
    }
    .brand-mark span:after{
      content:"";
      position:absolute;
      inset:4px -8px;
      border-top:2px solid var(--secondary);
      transform:rotate(-28deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:900;letter-spacing:-.03em;font-size:17px;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:4px}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(148,210,224,.12);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.035);
    }
    .nav-link{
      position:relative;
      padding:10px 16px;
      border-radius:var(--radius-pill);
      font-size:14px;
      color:#c8dce5;
      transition:.24s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(66,217,232,.09);
    }
    .nav-link.active{
      color:#06131e;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:800;
      box-shadow:0 10px 28px rgba(66,217,232,.18);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      color:var(--text);
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
    }
    .mobile-toggle:focus,.btn:focus,.field:focus,.faq-button:focus{
      outline:3px solid rgba(66,217,232,.28);
      outline-offset:3px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:var(--radius-pill);
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      user-select:none;
    }
    .btn-primary{
      color:#06131e;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 16px 36px rgba(66,217,232,.22), inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(66,217,232,.32)}
    .btn-primary:active{transform:translateY(0) scale(.98)}
    .btn-ghost{
      color:#d8f5fa;
      border:1px solid var(--border-strong);
      background:rgba(255,255,255,.045);
    }
    .btn-ghost:hover{transform:translateY(-2px);background:rgba(66,217,232,.1);border-color:rgba(66,217,232,.55)}
    .section{padding:92px 0}
    .section-tight{padding:68px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      border:1px solid var(--border);
      background:rgba(66,217,232,.07);
      color:#aaf2f6;
      font-weight:800;
      font-size:13px;
    }
    .eyebrow:before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 14px var(--secondary);
    }
    h1,h2,h3{line-height:1.18;margin:0;color:var(--text)}
    h1{font-size:clamp(42px,6vw,72px);letter-spacing:-.06em;font-weight:950}
    h2{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.04em;font-weight:920}
    h3{font-size:21px;font-weight:850}
    p{margin:0;color:var(--muted)}
    .lead{font-size:18px;color:#bfd7e1;line-height:1.9}
    .hero{position:relative;padding:84px 0 58px;overflow:hidden}
    .hero:after{
      content:"";
      position:absolute;
      right:-12%;
      top:7%;
      width:560px;height:560px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(66,217,232,.18),transparent 62%);
      filter:blur(4px);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:54px;
      align-items:center;
    }
    .hero-title span{
      display:block;
      color:transparent;
      background:linear-gradient(135deg,#fff,var(--primary) 46%,var(--secondary));
      -webkit-background-clip:text;
      background-clip:text;
    }
    .hero-copy{margin-top:22px;max-width:680px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
    .trust-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:680px;
    }
    .trust-item{
      padding:16px;
      border-radius:18px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
    }
    .trust-item strong{
      display:block;
      font-size:24px;
      line-height:1;
      color:#eaffff;
      margin-bottom:6px;
    }
    .trust-item span{font-size:13px;color:var(--muted)}
    .visual-panel{
      position:relative;
      min-height:520px;
      border-radius:36px;
      border:1px solid var(--border);
      background:
        linear-gradient(145deg,rgba(255,255,255,.095),rgba(255,255,255,.025)),
        radial-gradient(circle at 35% 20%,rgba(66,217,232,.18),transparent 32%),
        rgba(10,26,41,.62);
      box-shadow:var(--shadow);
      overflow:hidden;
      backdrop-filter:blur(20px);
    }
    .visual-panel:before{
      content:"";
      position:absolute;
      inset:28px;
      border-radius:28px;
      border:1px solid rgba(121,227,189,.16);
      background:
        repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 18px);
      opacity:.7;
    }
    .orbit{
      position:absolute;
      width:300px;height:300px;
      border-radius:50%;
      border:1px solid rgba(66,217,232,.24);
      left:50%;top:48%;
      transform:translate(-50%,-50%);
      box-shadow:inset 0 0 42px rgba(66,217,232,.08);
    }
    .orbit:nth-child(2){width:210px;height:210px;border-color:rgba(121,227,189,.25)}
    .pulse-card{
      position:absolute;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(148,210,224,.2);
      background:rgba(7,19,31,.72);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(0,0,0,.26);
    }
    .pulse-card.one{left:34px;top:56px;width:210px}
    .pulse-card.two{right:28px;top:128px;width:190px}
    .pulse-card.three{left:58px;bottom:54px;width:245px}
    .pulse-title{font-size:13px;color:#bfeef4;margin-bottom:10px;font-weight:800}
    .pulse-line{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:9px 0}
    .pulse-line span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--secondary))}
    .breath-dot{
      position:absolute;
      right:78px;
      bottom:70px;
      width:116px;height:116px;
      border-radius:50%;
      background:radial-gradient(circle,#eaffff 0 4px,rgba(66,217,232,.28) 5px 32px,transparent 33px);
      box-shadow:0 0 80px rgba(66,217,232,.3);
      animation:breathe 4.2s ease-in-out infinite;
    }
    @keyframes breathe{0%,100%{transform:scale(.95);opacity:.72}50%{transform:scale(1.08);opacity:1}}
    .glass-card{
      border:1px solid var(--border);
      background:var(--bg-card);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:rgba(66,217,232,.34);
      box-shadow:0 22px 58px rgba(0,0,0,.28),0 0 0 1px rgba(66,217,232,.08);
      background:rgba(16,44,66,.82);
    }
    .pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .pain-card{padding:24px}
    .icon-line{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:var(--primary);
      border:1px solid var(--border-strong);
      background:rgba(66,217,232,.08);
      margin-bottom:18px;
    }
    .icon-line svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8}
    .pain-card p{margin-top:10px;font-size:15px}
    .solution-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:stretch;
    }
    .solution-aside{
      padding:34px;
      background:
        radial-gradient(circle at 0 0,rgba(66,217,232,.18),transparent 34%),
        rgba(12,31,49,.75);
    }
    .solution-list{display:grid;gap:14px}
    .step{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:20px;
      border-radius:22px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
    }
    .step-num{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      color:#06131e;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:950;
      box-shadow:0 12px 28px rgba(66,217,232,.18);
    }
    .category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
    .category-card{
      position:relative;
      padding:30px;
      overflow:hidden;
      min-height:260px;
    }
    .category-card:after{
      content:"";
      position:absolute;
      width:190px;height:190px;border-radius:50%;
      right:-70px;bottom:-80px;
      background:radial-gradient(circle,rgba(66,217,232,.24),transparent 66%);
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      color:#bfeef4;
      border:1px solid rgba(148,210,224,.16);
      background:rgba(255,255,255,.04);
      font-size:13px;
      font-weight:700;
    }
    .metrics{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:30px;
    }
    .metric{
      padding:26px 20px;
      text-align:center;
      border-radius:24px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
    }
    .metric strong{
      display:block;
      font-size:36px;
      line-height:1;
      color:var(--accent);
      letter-spacing:-.04em;
    }
    .metric span{display:block;margin-top:10px;color:var(--muted);font-size:14px}
    .proof-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:center;
    }
    .compare{
      padding:30px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:16px 0;
      border-bottom:1px solid rgba(148,210,224,.12);
      color:#d9edf2;
    }
    .compare-row:last-child{border-bottom:0}
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--secondary);
      font-weight:800;
    }
    .status:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 12px var(--secondary);
    }
    .testimonial-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .quote-card{padding:26px}
    .quote-card.featured{
      background:
        radial-gradient(circle at 10% 0,rgba(66,217,232,.2),transparent 38%),
        var(--bg-card-strong);
    }
    .quote-mark{font-size:42px;line-height:1;color:rgba(66,217,232,.5)}
    .quote-card p{margin-top:8px;color:#d5e8ef}
    .person{display:flex;align-items:center;gap:12px;margin-top:22px}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:#06131e;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .person small{display:block;color:var(--muted);font-size:12px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:rgba(255,255,255,.04);
      overflow:hidden;
    }
    .faq-button{
      width:100%;
      min-height:62px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      color:var(--text);
      background:transparent;
      padding:18px 20px;
      text-align:left;
      font-weight:850;
    }
    .faq-button span:last-child{
      color:var(--primary);
      font-size:24px;
      line-height:1;
      transition:transform .2s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-button span:last-child{transform:rotate(45deg)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:48px;
      border-radius:34px;
      border:1px solid var(--border-strong);
      background:
        radial-gradient(circle at 16% 20%,rgba(66,217,232,.24),transparent 38%),
        radial-gradient(circle at 90% 80%,rgba(121,227,189,.18),transparent 30%),
        linear-gradient(135deg,rgba(14,42,63,.96),rgba(7,19,31,.92));
      box-shadow:var(--shadow);
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      inset:auto -20% -50% auto;
      width:500px;height:500px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 380px;
      gap:34px;
      align-items:center;
    }
    .consult-form{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(148,210,224,.18);
      background:rgba(3,14,24,.46);
      display:grid;
      gap:12px;
    }
    .field{
      width:100%;
      min-height:48px;
      border-radius:15px;
      border:1px solid rgba(148,210,224,.2);
      background:rgba(255,255,255,.055);
      color:var(--text);
      padding:0 14px;
      transition:.22s ease;
    }
    textarea.field{min-height:90px;padding-top:12px;resize:vertical}
    .field::placeholder{color:#7897a7}
    .field:focus{
      border-color:rgba(66,217,232,.68);
      background:rgba(255,255,255,.075);
    }
    .site-footer{
      padding:58px 0 26px;
      border-top:1px solid rgba(148,210,224,.12);
      background:linear-gradient(180deg,rgba(5,17,29,.2),rgba(3,10,18,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:28px;
      margin-bottom:34px;
    }
    .footer-title{font-weight:900;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-links span{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--primary)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(148,210,224,.1);
      color:#7897a7;
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero-grid,.solution-wrap,.faq-wrap,.cta-grid{grid-template-columns:1fr}
      .visual-panel{min-height:420px}
      .pain-grid,.metrics{grid-template-columns:repeat(2,1fr)}
      .testimonial-grid{grid-template-columns:1fr 1fr}
      .quote-card.featured{grid-column:1/-1}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-menu{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .nav-menu.mobile-open{
        display:flex;
        position:absolute;
        left:20px;right:20px;top:88px;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:12px;
        background:rgba(7,19,31,.96);
        box-shadow:var(--shadow);
      }
      .nav-menu.mobile-open .nav-link{text-align:center}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .topbar-center{display:none}
      .topbar-inner{font-size:12px}
      .nav-actions .btn{display:none}
      .brand-name{max-width:230px}
      .hero{padding:54px 0 36px}
      .section{padding:64px 0}
      .section-tight{padding:50px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .trust-row,.category-grid,.proof-panel,.testimonial-grid{grid-template-columns:1fr}
      .pain-grid,.metrics{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .visual-panel{min-height:360px;border-radius:28px}
      .pulse-card.two{right:16px;top:96px}
      .pulse-card.one{left:16px;top:28px}
      .pulse-card.three{left:18px;bottom:28px;width:220px}
      .breath-dot{right:32px;bottom:42px}
      .cta-panel{padding:28px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      h1{font-size:38px}
      .lead{font-size:16px}
      .brand-sub{display:none}
      .brand-name{max-width:190px;font-size:15px}
      .topbar a:last-child{display:none}
      .step{grid-template-columns:1fr}
      .metric strong{font-size:30px}
      .visual-panel:before{inset:16px}
      .pulse-card{padding:14px}
      .pulse-card.two{display:none}
      .consult-form{padding:16px}
    }

/* roulang page: category2 */
:root{
      --bg:#071821;
      --bg-soft:#0b2430;
      --panel:rgba(13,43,56,.72);
      --panel-strong:rgba(16,55,70,.88);
      --line:rgba(174,224,230,.18);
      --line-strong:rgba(127,232,226,.34);
      --text:#eefcff;
      --muted:#a9c8ce;
      --weak:#7fa4ad;
      --primary:#55e6dc;
      --primary-2:#8dd7ff;
      --accent:#c9fff4;
      --green:#84e7b2;
      --shadow:0 24px 70px rgba(0,0,0,.35);
      --shadow-soft:0 16px 45px rgba(3,18,25,.32);
      --radius:24px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 8%, rgba(85,230,220,.16), transparent 34%),
        radial-gradient(circle at 82% 14%, rgba(141,215,255,.12), transparent 30%),
        linear-gradient(135deg,#06131b 0%,#092333 48%,#061821 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      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:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.78),transparent 78%);
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .topbar{
      border-bottom:1px solid rgba(174,224,230,.11);
      background:rgba(3,16,23,.62);
      backdrop-filter:blur(18px);
      color:var(--muted);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .topbar strong{color:var(--accent);font-weight:650}
    .topbar-action{
      color:var(--primary);
      border-bottom:1px solid rgba(85,230,220,.45);
      transition:.25s ease;
      white-space:nowrap;
    }
    .topbar-action:hover{color:#fff;border-color:#fff}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(6,22,31,.78);
      backdrop-filter:blur(22px);
      border-bottom:1px solid rgba(174,224,230,.14);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:
        radial-gradient(circle at 35% 25%,#e6fffb 0 10%,transparent 11%),
        linear-gradient(135deg,rgba(85,230,220,.95),rgba(141,215,255,.72));
      box-shadow:0 0 28px rgba(85,230,220,.24);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark span{
      width:22px;
      height:22px;
      border:2px solid rgba(5,35,46,.8);
      border-radius:999px;
      position:relative;
    }
    .brand-mark span:after{
      content:"";
      position:absolute;
      right:-8px;
      bottom:0;
      width:12px;
      height:2px;
      border-radius:999px;
      background:rgba(5,35,46,.8);
      transform:rotate(-28deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-name{
      font-weight:800;
      letter-spacing:.02em;
      color:#f4ffff;
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:330px;
    }
    .brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
    }
    .nav-link{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:#cce3e8;
      font-size:15px;
      transition:color .22s ease,background .22s ease,transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      transform:scaleX(0);
      transform-origin:center;
      transition:transform .22s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(123,232,224,.08);
      transform:translateY(-1px);
    }
    .nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
    .nav-link.active{
      color:#fff;
      background:rgba(85,230,220,.13);
      box-shadow:inset 0 0 0 1px rgba(85,230,220,.18);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.04);
      color:#fff;
      cursor:pointer;
      transition:.25s ease;
    }
    .mobile-toggle:hover{border-color:var(--line-strong);background:rgba(85,230,220,.1)}
    .mobile-toggle:focus,.btn:focus,.form-field:focus,.faq-button:focus{
      outline:3px solid rgba(85,230,220,.35);
      outline-offset:3px;
    }
    .hero{
      padding:78px 0 46px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:38px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      background:rgba(85,230,220,.09);
      border:1px solid rgba(85,230,220,.2);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      line-height:1.2;
    }
    .eyebrow:before,.badge-dot:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--primary);
      box-shadow:0 0 14px rgba(85,230,220,.8);
      display:inline-block;
    }
    h1{
      margin:20px 0 18px;
      font-size:clamp(34px,5vw,62px);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .gradient-text{
      background:linear-gradient(110deg,#fff 0%,#c9fff4 46%,#8dd7ff 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      color:#c3dce2;
      font-size:18px;
      max-width:680px;
    }
    .hero-actions,.section-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:750;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
    }
    .btn-primary{
      color:#041b22;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(85,230,220,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(85,230,220,.34)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(0) scale(.98)}
    .btn-secondary{
      color:#eaffff;
      background:rgba(255,255,255,.055);
      border-color:rgba(174,224,230,.22);
    }
    .btn-secondary:hover{background:rgba(85,230,220,.09);border-color:rgba(85,230,220,.42);transform:translateY(-2px)}
    .visual-panel{
      border:1px solid var(--line);
      border-radius:32px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025)),
        radial-gradient(circle at 20% 20%,rgba(85,230,220,.18),transparent 42%),
        rgba(7,31,41,.68);
      box-shadow:var(--shadow);
      padding:24px;
      overflow:hidden;
      position:relative;
      min-height:430px;
    }
    .visual-panel:before{
      content:"";
      position:absolute;
      width:270px;
      height:270px;
      border-radius:999px;
      right:-60px;
      top:-70px;
      background:radial-gradient(circle,rgba(141,215,255,.26),transparent 68%);
    }
    .hud-card{
      position:relative;
      border:1px solid rgba(174,224,230,.18);
      background:rgba(4,23,31,.58);
      border-radius:22px;
      padding:18px;
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow-soft);
    }
    .hud-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
    .meter{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      margin-top:10px;
    }
    .meter span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--green));
    }
    .orb{
      width:156px;
      height:156px;
      border-radius:48px;
      margin:24px auto;
      background:
        radial-gradient(circle at 35% 30%,#edfffb 0 7%,transparent 8%),
        conic-gradient(from 120deg,rgba(85,230,220,.92),rgba(141,215,255,.42),rgba(132,231,178,.72),rgba(85,230,220,.92));
      box-shadow:0 0 60px rgba(85,230,220,.24);
      transform:rotate(12deg);
    }
    .section{padding:72px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:end;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:14px;
      font-weight:800;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:8px;
    }
    h2{
      margin:0;
      font-size:clamp(26px,3.1vw,42px);
      line-height:1.18;
      letter-spacing:-.028em;
      font-weight:880;
    }
    .section-desc{color:var(--muted);max-width:620px;margin-top:12px}
    .glass-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
      overflow:hidden;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(85,230,220,.34);
      background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.035));
    }
    .insight-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .insight-card{padding:22px}
    .insight-card.large{grid-column:span 7}
    .insight-card.medium{grid-column:span 5}
    .insight-card.small{grid-column:span 4}
    .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 10px;
      border-radius:999px;
      color:#d9fffb;
      background:rgba(85,230,220,.09);
      border:1px solid rgba(85,230,220,.18);
      font-size:12px;
      font-weight:700;
    }
    .time{color:var(--weak);font-size:13px}
    .insight-card h3{
      margin:0 0 10px;
      font-size:21px;
      line-height:1.35;
      font-weight:850;
    }
    .insight-card p{margin:0;color:var(--muted)}
    .read-more{
      margin-top:18px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:800;
    }
    .read-more:hover{color:#fff}
    .topic-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:stretch;
    }
    .topic-panel{
      padding:28px;
      min-height:100%;
      position:relative;
    }
    .topic-list{display:grid;gap:12px}
    .topic-item{
      padding:16px;
      border:1px solid rgba(174,224,230,.14);
      border-radius:18px;
      background:rgba(255,255,255,.035);
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      transition:.22s ease;
    }
    .topic-item:hover{border-color:rgba(85,230,220,.34);background:rgba(85,230,220,.065);transform:translateX(3px)}
    .num{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#042027;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--green));
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .proof-card{padding:22px}
    .proof-value{
      font-size:34px;
      line-height:1;
      font-weight:950;
      color:var(--accent);
      margin-bottom:8px;
      letter-spacing:-.04em;
    }
    .proof-card p{color:var(--muted);margin:0}
    .process{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-card{
      padding:22px;
      position:relative;
    }
    .process-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:40px;
      height:40px;
      border-radius:14px;
      margin-bottom:18px;
      color:#041b22;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
    }
    .process-card h3{font-size:19px;margin:0 0 8px;font-weight:850}
    .process-card p{margin:0;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
    }
    .faq-button{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      text-align:left;
      padding:18px 20px;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:850;
    }
    .faq-icon{
      width:26px;
      height:26px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#042027;
      background:var(--primary);
      flex:0 0 auto;
      transition:.22s ease;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
      color:var(--muted);
      padding:0 20px;
    }
    .faq-item.open .faq-answer{max-height:180px;padding-bottom:18px}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-band{
      border:1px solid rgba(85,230,220,.28);
      border-radius:34px;
      padding:36px;
      background:
        radial-gradient(circle at 15% 10%,rgba(85,230,220,.22),transparent 36%),
        linear-gradient(135deg,rgba(13,52,66,.92),rgba(6,25,35,.92));
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
    }
    .mini-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:22px;
    }
    .form-field{
      width:100%;
      border:1px solid rgba(174,224,230,.18);
      border-radius:16px;
      background:rgba(3,18,25,.52);
      color:#fff;
      padding:13px 14px;
      transition:.22s ease;
    }
    textarea.form-field{grid-column:1 / -1;min-height:92px;resize:vertical}
    .form-field::placeholder{color:#78a1aa}
    .form-field:focus{border-color:rgba(85,230,220,.58);background:rgba(3,18,25,.76)}
    .site-footer{
      margin-top:52px;
      padding:58px 0 28px;
      background:linear-gradient(180deg,rgba(3,16,23,.4),rgba(3,13,18,.88));
      border-top:1px solid rgba(174,224,230,.13);
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .7fr .75fr .95fr;
      gap:32px;
      align-items:start;
    }
    .footer-title{
      color:#f2ffff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a,.footer-links span{color:var(--muted);transition:.22s ease}
    .footer-links a:hover{color:var(--primary);transform:translateX(2px)}
    .footer-bottom{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(174,224,230,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#82a3aa;
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero-grid,.topic-layout,.faq-wrap,.cta-band{grid-template-columns:1fr}
      .visual-panel{min-height:360px}
      .proof-grid,.process{grid-template-columns:repeat(2,1fr)}
      .insight-card.large,.insight-card.medium{grid-column:span 6}
      .insight-card.small{grid-column:span 6}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .topbar-inner{justify-content:center;text-align:center;flex-wrap:wrap;padding:8px 0}
      .topbar-domain{display:none}
      .nav-wrap{min-height:68px}
      .brand-name{max-width:205px;font-size:14px}
      .brand-sub{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border:1px solid var(--line);
        border-radius:20px;
        background:rgba(6,24,33,.96);
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-link{padding:13px 14px}
      .hero{padding:52px 0 30px}
      .section{padding:52px 0}
      .section-head{display:block}
      .insight-card.large,.insight-card.medium,.insight-card.small{grid-column:span 12}
      .proof-grid,.process,.mini-form{grid-template-columns:1fr}
      textarea.form-field{grid-column:auto}
      .cta-band{padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .hero-actions,.section-actions{display:grid}
      .btn{width:100%}
      h1{font-size:34px}
      .lead{font-size:16px}
      .visual-panel{padding:16px;border-radius:24px}
      .hud-grid{grid-template-columns:1fr}
      .proof-value{font-size:30px}
      .brand-mark{width:42px;height:42px}
    }

/* roulang page: category1 */
:root{
      --bg:#071622;
      --bg-2:#0b2030;
      --panel:rgba(16,39,55,.72);
      --panel-strong:rgba(19,48,67,.86);
      --line:rgba(167,221,230,.18);
      --line-strong:rgba(148,230,232,.34);
      --text:#eefaff;
      --muted:#a7bdc8;
      --soft:#d6f6f5;
      --brand:#55d7de;
      --brand-2:#7be7be;
      --accent:#c8f7ff;
      --warning:#f1d68b;
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 22px 70px rgba(0,0,0,.34);
      --shadow-soft:0 14px 42px rgba(31,211,218,.10);
      --container:1200px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 14% 8%, rgba(85,215,222,.18), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(123,231,190,.14), transparent 30%),
        linear-gradient(145deg,#06131f 0%,#091a27 46%,#071622 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      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:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 72%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:auto -20% 0 -20%;
      height:360px;
      z-index:-1;
      background:radial-gradient(ellipse at center, rgba(85,215,222,.12), transparent 62%);
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(85,215,222,.35);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .top-strip{
      border-bottom:1px solid var(--line);
      background:rgba(4,15,24,.68);
      backdrop-filter:blur(18px);
      color:var(--muted);
      font-size:13px;
    }
    .top-strip .site-container{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .top-strip strong{color:var(--soft);font-weight:650}
    .top-actions{display:flex;align-items:center;gap:14px;white-space:nowrap}
    .top-actions a{color:var(--brand);transition:.22s ease}
    .top-actions a:hover{color:var(--accent)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,22,34,.78);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(22px);
    }
    .nav-bar{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:13px;
      min-width:0;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 35% 30%, rgba(255,255,255,.9), transparent 14%),
        linear-gradient(135deg, rgba(85,215,222,.95), rgba(123,231,190,.7));
      box-shadow:0 0 32px rgba(85,215,222,.26);
    }
    .brand-mark span{
      width:24px;
      height:24px;
      border-radius:999px;
      border:2px solid rgba(6,26,36,.78);
      position:relative;
    }
    .brand-mark span:after{
      content:"";
      position:absolute;
      width:18px;
      height:2px;
      border-radius:2px;
      background:rgba(6,26,36,.8);
      left:3px;
      top:10px;
      transform:rotate(-35deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-name{
      font-size:17px;
      font-weight:850;
      letter-spacing:.02em;
      color:#fff;
      max-width:330px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .brand-sub{font-size:12px;color:var(--muted);margin-top:4px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(167,221,230,.12);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-link{
      position:relative;
      padding:10px 16px;
      border-radius:999px;
      color:#c4d6dd;
      font-size:14px;
      font-weight:650;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(85,215,222,.09);
    }
    .nav-link.active{
      color:#061a24;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 10px 28px rgba(85,215,222,.22);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:#fff;
    }
    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      background:currentColor;
      border-radius:2px;
      transition:.2s ease;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:780;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#061a24;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 40px rgba(85,215,222,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 52px rgba(85,215,222,.34)}
    .btn-secondary{
      color:var(--soft);
      background:rgba(255,255,255,.055);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.085);border-color:rgba(200,247,255,.52)}
    .btn:active{transform:translateY(1px) scale(.99)}
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible,.menu-toggle:focus-visible{
      outline:3px solid rgba(200,247,255,.55);
      outline-offset:3px;
    }
    .hero{
      position:relative;
      padding:82px 0 52px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:46px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent);
      background:rgba(255,255,255,.045);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--brand-2);
      box-shadow:0 0 16px rgba(123,231,190,.75);
    }
    h1{
      margin:22px 0 18px;
      font-size:clamp(36px,5.1vw,66px);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .lead{
      max-width:700px;
      color:#c5d8df;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(85,215,222,.075);
      border:1px solid rgba(85,215,222,.18);
      color:#d8fbff;
      font-size:13px;
    }
    .tag i{
      width:6px;
      height:6px;
      border-radius:999px;
      background:var(--brand);
      display:inline-block;
    }
    .hero-panel{
      position:relative;
      min-height:520px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.035)),
        radial-gradient(circle at 72% 18%, rgba(123,231,190,.18), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
      padding:24px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:20px;
      border-radius:28px;
      border:1px solid rgba(200,247,255,.12);
      background:
        radial-gradient(circle at 35% 36%, rgba(85,215,222,.16), transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.04),transparent);
    }
    .pulse-orbit{
      position:absolute;
      width:280px;
      height:280px;
      border-radius:50%;
      left:50%;
      top:47%;
      transform:translate(-50%,-50%);
      border:1px solid rgba(200,247,255,.16);
      box-shadow:inset 0 0 60px rgba(85,215,222,.12),0 0 80px rgba(85,215,222,.08);
    }
    .pulse-orbit:before,.pulse-orbit:after{
      content:"";
      position:absolute;
      inset:34px;
      border-radius:50%;
      border:1px dashed rgba(123,231,190,.32);
      animation:spin 18s linear infinite;
    }
    .pulse-orbit:after{
      inset:76px;
      border-style:solid;
      border-color:rgba(85,215,222,.28);
      animation-direction:reverse;
      animation-duration:13s;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .floating-card{
      position:absolute;
      z-index:2;
      width:min(260px,70%);
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(8,24,35,.74);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-soft);
    }
    .floating-card h3{font-size:16px;font-weight:820;margin:0 0 8px}
    .floating-card p{margin:0;color:var(--muted);font-size:13px}
    .floating-card.one{left:26px;top:34px}
    .floating-card.two{right:24px;top:182px}
    .floating-card.three{left:44px;bottom:38px}
    .mini-meter{
      margin-top:14px;
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .mini-meter span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--brand),var(--brand-2));
    }
    .section{padding:72px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{color:var(--brand);font-weight:800;font-size:14px;margin-bottom:8px}
    h2{
      margin:0;
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:880;
    }
    .section-desc{
      max-width:560px;
      color:var(--muted);
      margin:0;
    }
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:30px;
    }
    .filter-pill{
      padding:9px 13px;
      border-radius:999px;
      border:1px solid rgba(167,221,230,.16);
      background:rgba(255,255,255,.045);
      color:#d8e9ee;
      font-size:14px;
      font-weight:650;
    }
    .filter-pill.is-on{
      color:#061a24;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      border-color:transparent;
    }
    .service-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .service-card{
      position:relative;
      display:grid;
      grid-template-columns:86px 1fr;
      gap:18px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(160deg,rgba(255,255,255,.078),rgba(255,255,255,.032));
      box-shadow:0 14px 40px rgba(0,0,0,.18);
      overflow:hidden;
      transition:.24s ease;
    }
    .service-card:hover{
      transform:translateY(-4px);
      border-color:rgba(85,215,222,.38);
      box-shadow:0 20px 56px rgba(0,0,0,.28);
    }
    .service-icon{
      width:76px;
      height:76px;
      border-radius:24px;
      display:grid;
      place-items:center;
      color:#071622;
      font-size:28px;
      font-weight:900;
      background:linear-gradient(135deg,rgba(85,215,222,.96),rgba(123,231,190,.78));
    }
    .service-card h3{margin:0 0 8px;font-size:21px;font-weight:860}
    .service-card p{margin:0;color:#b6cbd4}
    .service-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }
    .service-meta span{
      padding:6px 9px;
      border-radius:999px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(167,221,230,.13);
      color:#d2e8ee;
      font-size:12px;
    }
    .split{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:26px;
      align-items:stretch;
    }
    .glass-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
    }
    .feature-panel{padding:30px}
    .feature-list{display:grid;gap:14px;margin-top:22px}
    .feature-item{
      display:flex;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(167,221,230,.12);
    }
    .check{
      width:28px;
      height:28px;
      border-radius:10px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      color:#071622;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      font-weight:900;
    }
    .feature-item strong{display:block;margin-bottom:3px;color:#fff}
    .feature-item span{color:var(--muted);font-size:14px}
    .path-card{padding:30px;position:relative;overflow:hidden}
    .path-card:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-90px;
      top:-90px;
      background:radial-gradient(circle,rgba(85,215,222,.18),transparent 66%);
    }
    .steps{position:relative;display:grid;gap:18px;margin-top:24px}
    .step{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
      position:relative;
    }
    .step:not(:last-child):after{
      content:"";
      position:absolute;
      left:21px;
      top:50px;
      bottom:-14px;
      width:1px;
      background:linear-gradient(to bottom,rgba(85,215,222,.45),rgba(85,215,222,.04));
    }
    .step-num{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(85,215,222,.10);
      border:1px solid rgba(85,215,222,.22);
      font-weight:900;
    }
    .step h3{margin:0 0 4px;font-size:18px;font-weight:840}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .scene-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .scene-card{
      min-height:210px;
      padding:22px;
      border-radius:26px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.025)),
        radial-gradient(circle at 20% 0%,rgba(123,231,190,.12),transparent 42%);
      transition:.24s ease;
    }
    .scene-card:hover{transform:translateY(-4px);border-color:rgba(123,231,190,.36)}
    .scene-card .num{color:var(--brand);font-weight:900;font-size:13px}
    .scene-card h3{margin:18px 0 9px;font-size:19px;font-weight:840}
    .scene-card p{margin:0;color:var(--muted);font-size:14px}
    .compare-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .compare-box{
      padding:26px;
      border-radius:28px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .compare-box.highlight{
      background:linear-gradient(150deg,rgba(85,215,222,.15),rgba(123,231,190,.07));
      border-color:rgba(85,215,222,.30);
    }
    .compare-box h3{margin:0 0 16px;font-size:20px;font-weight:850}
    .compare-box ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .compare-box li{display:flex;gap:10px;color:#c7d9df}
    .compare-box li:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      margin-top:10px;
      flex:0 0 auto;
    }
    .faq-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.05);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 20px;
      border:0;
      color:#fff;
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:var(--brand);
      background:rgba(85,215,222,.1);
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .26s ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      position:relative;
      overflow:hidden;
      padding:42px;
      border-radius:36px;
      border:1px solid rgba(85,215,222,.28);
      background:
        radial-gradient(circle at 10% 20%,rgba(123,231,190,.18),transparent 30%),
        linear-gradient(135deg,rgba(85,215,222,.16),rgba(255,255,255,.045));
      box-shadow:var(--shadow);
    }
    .cta-band:after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-180px;
      bottom:-240px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(85,215,222,.28),transparent 64%);
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-content p{color:#c9dde3;margin:12px 0 0;max-width:700px}
    .consult-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:24px;
    }
    .form-field{display:grid;gap:7px}
    .form-field.full{grid-column:1/-1}
    .form-field label{font-size:13px;color:#d6e8ee;font-weight:700}
    .form-field input,.form-field textarea{
      width:100%;
      border:1px solid rgba(167,221,230,.20);
      border-radius:16px;
      background:rgba(2,12,19,.42);
      color:#fff;
      padding:13px 14px;
      outline:none;
      transition:.2s ease;
    }
    .form-field textarea{min-height:96px;resize:vertical}
    .form-field input:focus,.form-field textarea:focus{
      border-color:rgba(85,215,222,.72);
      box-shadow:0 0 0 4px rgba(85,215,222,.12);
    }
    .form-note{color:var(--muted);font-size:13px;margin-top:12px}
    .site-footer{
      margin-top:72px;
      padding:56px 0 26px;
      background:rgba(4,14,22,.72);
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .8fr 1fr;
      gap:34px;
      color:var(--muted);
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:15px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:#adc4cd;
      font-size:14px;
    }
    .footer-links a{transition:.2s ease}
    .footer-links a:hover{color:var(--brand)}
    .footer-bottom{
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(167,221,230,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#88a2ad;
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav-cta .btn{display:none}
      .hero-grid,.split,.faq-wrap{grid-template-columns:1fr}
      .hero-panel{min-height:430px}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width:768px){
      .top-strip .site-container{justify-content:center;text-align:center;flex-wrap:wrap;padding:8px 0}
      .top-actions{display:none}
      .nav-bar{min-height:68px}
      .brand-name{max-width:210px;font-size:15px}
      .brand-sub{display:none}
      .menu-toggle{display:inline-block}
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:12px;
        background:rgba(7,22,34,.96);
        box-shadow:var(--shadow);
      }
      .nav-menu.show{display:flex}
      .nav-link{text-align:center;padding:13px 16px}
      .hero{padding:54px 0 36px}
      .service-layout,.compare-panel,.consult-form{grid-template-columns:1fr}
      .service-card{grid-template-columns:1fr}
      .service-icon{width:64px;height:64px;border-radius:20px}
      .cta-content{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 28px,var(--container))}
      h1{font-size:34px}
      .lead{font-size:16px}
      .hero-actions .btn,.cta-content .btn{width:100%}
      .hero-panel{min-height:380px;padding:16px}
      .floating-card{width:78%;padding:14px}
      .floating-card.two{right:14px;top:142px}
      .floating-card.three{left:18px;bottom:18px}
      .pulse-orbit{width:220px;height:220px}
      .section{padding:52px 0}
      .scene-grid,.footer-grid{grid-template-columns:1fr}
      .cta-band{padding:28px 20px;border-radius:28px}
    }