/* roulang page: index */
:root{
      --bg:#050b18;
      --bg-2:#07111f;
      --panel:rgba(8,18,34,.72);
      --panel-2:rgba(15,23,42,.66);
      --text:#d7e3f4;
      --muted:#8fa3bd;
      --weak:#64748b;
      --cyan:#22d3ee;
      --sky:#38bdf8;
      --purple:#8b5cf6;
      --magenta:#d946ef;
      --amber:#f59e0b;
      --green:#34d399;
      --border:rgba(125,211,252,.18);
      --border-strong:rgba(34,211,238,.46);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.34);
      --glow:0 0 36px rgba(34,211,238,.18);
      --container:1200px;
      --nav-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 8%,rgba(34,211,238,.18),transparent 30%),
        radial-gradient(circle at 82% 16%,rgba(139,92,246,.18),transparent 34%),
        linear-gradient(180deg,#050b18 0%,#07111f 48%,#050b18 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(148,163,184,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(148,163,184,.045) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 88%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(ellipse at 50% -10%,rgba(56,189,248,.12),transparent 44%),
        repeating-radial-gradient(circle at 50% 10%,transparent 0 98px,rgba(34,211,238,.045) 99px 101px);
      opacity:.62;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--cyan)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:var(--container)}
    .section{padding:96px 0;position:relative}
    .section-tight{padding:72px 0}
    .section-title{
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0 0 16px;
    }
    .section-desc{
      max-width:820px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .text-gradient{
      background:linear-gradient(100deg,#fff 0%,var(--cyan) 46%,#c4b5fd 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(125,211,252,.14);
      background:rgba(5,11,24,.72);
      backdrop-filter:blur(18px);
      box-shadow:0 14px 44px rgba(0,0,0,.26);
    }
    .navbar{min-height:var(--nav-h);padding:.8rem 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff!important;
      font-weight:800;
      letter-spacing:-.02em;
      max-width:520px;
      white-space:normal;
      line-height:1.25;
    }
    .logo-mark{
      width:42px;height:42px;flex:0 0 42px;
      border-radius:15px;
      display:grid;place-items:center;
      color:#03101f;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 30px rgba(34,211,238,.35),inset 0 1px 0 rgba(255,255,255,.55);
      font-weight:900;
    }
    .navbar-nav{gap:10px}
    .nav-link{
      position:relative;
      color:var(--muted)!important;
      font-weight:700;
      padding:12px 14px!important;
      border-radius:999px;
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:5px;
      height:2px;
      transform:scaleX(0);
      transform-origin:center;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      box-shadow:0 0 18px rgba(34,211,238,.65);
      transition:.22s ease;
    }
    .nav-link:hover,.nav-link.active{color:var(--cyan)!important;background:rgba(34,211,238,.07)}
    .nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
    .navbar-toggler{
      border:1px solid rgba(34,211,238,.45);
      border-radius:14px;
      padding:10px 12px;
      box-shadow:0 0 22px rgba(34,211,238,.12);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .18rem rgba(34,211,238,.22)}
    .navbar-toggler-icon{
      background-image:none;
      width:24px;height:16px;
      position:relative;
      border-top:2px solid var(--cyan);
      border-bottom:2px solid var(--cyan);
    }
    .navbar-toggler-icon:before{
      content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid var(--cyan);
    }
    .btn-neon,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
      white-space:nowrap;
    }
    .btn-neon{
      color:#03101f!important;
      background:linear-gradient(135deg,var(--cyan),var(--sky) 45%,var(--purple));
      box-shadow:0 0 28px rgba(34,211,238,.28),inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-neon:hover{
      transform:translateY(-2px);
      color:#020617!important;
      box-shadow:0 0 42px rgba(34,211,238,.42),0 18px 44px rgba(0,0,0,.26);
    }
    .btn-ghost{
      color:var(--text)!important;
      background:rgba(15,23,42,.54);
      border-color:rgba(125,211,252,.26);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .btn-ghost:hover{
      transform:translateY(-2px);
      color:#fff!important;
      background:rgba(34,211,238,.1);
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 28px rgba(34,211,238,.16);
    }
    .btn-small{
      min-height:38px;
      padding:8px 14px;
      font-size:14px;
    }
    .hero{
      min-height:720px;
      display:flex;
      align-items:center;
      padding:110px 0 80px;
      position:relative;
      overflow:hidden;
      border-bottom:1px solid rgba(125,211,252,.12);
    }
    .hero-mask{
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(5,11,24,.96) 0%,rgba(5,11,24,.76) 42%,rgba(5,11,24,.52) 100%),
        radial-gradient(circle at 72% 42%,rgba(34,211,238,.24),transparent 28%),
        linear-gradient(135deg,rgba(56,189,248,.12),rgba(139,92,246,.12));
    }
    .hero-mask:after{
      content:"";
      position:absolute;
      inset:10% -12% auto auto;
      width:58vw;
      height:58vw;
      border:1px solid rgba(34,211,238,.18);
      border-radius:50%;
      box-shadow:inset 0 0 80px rgba(34,211,238,.08),0 0 90px rgba(139,92,246,.14);
      transform:rotate(-18deg);
    }
    .hero-content{position:relative;z-index:2}
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 13px;
      border:1px solid rgba(34,211,238,.28);
      border-radius:999px;
      color:var(--cyan);
      background:rgba(34,211,238,.08);
      font-weight:800;
      margin-bottom:22px;
    }
    h1{
      max-width:980px;
      font-size:clamp(36px,6.5vw,72px);
      line-height:1.1;
      font-weight:900;
      letter-spacing:-.045em;
      margin:0 0 22px;
    }
    .hero-lead{
      max-width:820px;
      color:#c8d7eb;
      font-size:clamp(17px,2vw,20px);
      margin:0 0 28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .hero-points{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      padding:0;
      margin:0;
      list-style:none;
    }
    .hero-points li{
      display:flex;align-items:center;gap:8px;
      color:var(--muted);
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(125,211,252,.17);
      background:rgba(15,23,42,.44);
    }
    .pulse-check{
      position:absolute;
      right:9%;
      bottom:17%;
      z-index:3;
      width:170px;
      height:170px;
      border-radius:50%;
      display:grid;
      place-items:center;
      text-align:center;
      color:#fff;
      background:rgba(8,18,34,.72);
      border:1px solid rgba(34,211,238,.42);
      box-shadow:0 0 42px rgba(34,211,238,.24),inset 0 0 40px rgba(34,211,238,.08);
      backdrop-filter:blur(16px);
    }
    .pulse-check:before,.pulse-check:after{
      content:"";
      position:absolute;
      inset:-14px;
      border:1px solid rgba(34,211,238,.22);
      border-radius:50%;
      animation:pulse 2.6s ease-in-out infinite;
    }
    .pulse-check:after{inset:-28px;animation-delay:.7s}
    .pulse-check span{display:block;font-weight:900;font-size:18px;line-height:1.35}
    .pulse-check small{display:block;color:var(--cyan);font-weight:800;margin-top:4px}
    @keyframes pulse{0%,100%{transform:scale(.94);opacity:.45}50%{transform:scale(1.04);opacity:1}}
    .glass-card{
      background:var(--panel);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
      position:relative;
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 36%);
      pointer-events:none;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow),var(--glow);
    }
    .pain-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .signal-card{
      padding:22px;
      min-height:190px;
    }
    .card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:20px;
    }
    .num-badge{
      display:inline-grid;
      place-items:center;
      width:40px;height:40px;
      border-radius:14px;
      color:#05101f;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),#c4b5fd);
      box-shadow:0 0 28px rgba(34,211,238,.24);
    }
    .status-badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(125,211,252,.2);
      color:var(--cyan);
      background:rgba(34,211,238,.08);
    }
    .tag-purple{color:#c4b5fd;background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.28)}
    .tag-amber{color:#fbbf24;background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.28)}
    .tag-green{color:#86efac;background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.25)}
    .signal-card h3{
      font-size:21px;
      font-weight:850;
      margin:0 0 10px;
    }
    .signal-card p{
      color:var(--muted);
      margin:0;
      font-size:15.5px;
    }
    .neon-line{
      height:3px;
      width:100%;
      margin-top:22px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),rgba(139,92,246,.75),transparent);
      box-shadow:0 0 18px rgba(34,211,238,.35);
    }
    .solution-wrap{margin-top:38px}
    .timeline{
      padding:28px;
    }
    .step-item{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      position:relative;
      padding-bottom:24px;
    }
    .step-item:not(:last-child):after{
      content:"";
      position:absolute;
      left:26px;
      top:54px;
      bottom:0;
      width:2px;
      background:linear-gradient(to bottom,rgba(34,211,238,.65),rgba(139,92,246,.2));
    }
    .step-dot{
      width:54px;height:54px;
      border-radius:18px;
      display:grid;place-items:center;
      color:var(--cyan);
      background:rgba(34,211,238,.08);
      border:1px solid rgba(34,211,238,.28);
      box-shadow:0 0 24px rgba(34,211,238,.12);
      font-size:22px;
    }
    .step-item h3{font-size:21px;font-weight:850;margin:0 0 6px}
    .step-item p{color:var(--muted);margin:0}
    .check-panel{
      padding:28px;
      height:100%;
    }
    .check-row{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:16px 0;
      border-bottom:1px solid rgba(125,211,252,.13);
      color:var(--muted);
    }
    .check-row strong{color:var(--text)}
    .progress-neon{
      height:9px;
      border-radius:999px;
      background:rgba(148,163,184,.15);
      overflow:hidden;
      margin-top:6px;
    }
    .progress-neon span{
      display:block;height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:0 0 18px rgba(34,211,238,.45);
    }
    .topic-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .topic-pill{
      padding:12px 16px;
      border-radius:999px;
      border:1px solid rgba(125,211,252,.18);
      background:rgba(15,23,42,.52);
      color:#c8d7eb;
      font-weight:750;
    }
    .topic-pill:hover{
      color:#fff;
      border-color:rgba(34,211,238,.52);
      background:rgba(34,211,238,.1);
      transform:translateY(-2px);
      box-shadow:0 0 24px rgba(34,211,238,.15);
    }
    .focus-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
      margin-top:28px;
    }
    .focus-card{padding:24px;min-height:210px}
    .focus-card.featured{grid-row:span 2;min-height:438px}
    .focus-icon{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      background:rgba(34,211,238,.08);
      color:var(--cyan);
      border:1px solid rgba(34,211,238,.22);
      margin-bottom:18px;
      font-size:23px;
    }
    .focus-card h3{font-size:23px;font-weight:850;margin:0 0 10px}
    .focus-card p{color:var(--muted);margin:0}
    .info-board{
      display:grid;
      grid-template-columns:minmax(0,1.55fr) minmax(300px,.75fr);
      gap:24px;
      margin-top:34px;
      align-items:start;
    }
    .info-list{padding:10px}
    .info-item{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:18px;
      align-items:center;
      padding:19px;
      border-radius:20px;
      border:1px solid rgba(125,211,252,.13);
      background:rgba(15,23,42,.44);
      margin-bottom:12px;
      transition:.22s ease;
    }
    .info-item:hover{
      border-color:rgba(34,211,238,.45);
      background:rgba(34,211,238,.075);
      transform:translateX(4px);
    }
    .info-item h3{font-size:19px;font-weight:850;margin:0 0 4px}
    .info-item p{color:var(--muted);margin:0;font-size:15px}
    .side-panel{padding:24px;position:sticky;top:98px}
    .side-panel h3{font-size:22px;font-weight:850;margin:0 0 14px}
    .side-list{list-style:none;margin:0;padding:0}
    .side-list li{
      display:flex;gap:10px;
      color:var(--muted);
      padding:12px 0;
      border-bottom:1px solid rgba(125,211,252,.11);
    }
    .side-list i{color:var(--cyan)}
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .metric-card{padding:26px}
    .metric-card .value{
      font-size:46px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.04em;
      color:#fff;
      margin-bottom:12px;
      text-shadow:0 0 28px rgba(34,211,238,.28);
    }
    .metric-card .value span{font-size:18px;color:var(--cyan);margin-left:4px}
    .metric-card h3{font-size:19px;font-weight:850;margin:0 0 8px}
    .metric-card p{font-size:15px;color:var(--muted);margin:0}
    .feedback-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
      margin-top:34px;
    }
    .feedback-card{padding:24px}
    .avatar{
      width:52px;height:52px;border-radius:50%;
      display:grid;place-items:center;
      font-weight:950;
      color:#04111f;
      background:linear-gradient(135deg,var(--cyan),var(--magenta));
      box-shadow:0 0 28px rgba(139,92,246,.22);
      margin-bottom:16px;
    }
    .feedback-card p{color:#dbeafe;margin:14px 0 18px}
    .feedback-card .labels{display:flex;flex-wrap:wrap;gap:8px}
    .accordion{margin-top:34px}
    .accordion-item{
      color:var(--text);
      background:rgba(8,18,34,.68);
      border:1px solid rgba(125,211,252,.16)!important;
      border-radius:20px!important;
      overflow:hidden;
      margin-bottom:14px;
      box-shadow:0 16px 44px rgba(0,0,0,.2);
    }
    .accordion-button{
      color:var(--text);
      background:rgba(15,23,42,.52);
      font-weight:850;
      font-size:18px;
      padding:20px 22px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(90deg,rgba(34,211,238,.14),rgba(139,92,246,.08));
      border-left:3px solid var(--cyan);
    }
    .accordion-button:focus{box-shadow:0 0 0 .2rem rgba(34,211,238,.18)!important}
    .accordion-button:after{
      filter:invert(1) brightness(2);
      opacity:.8;
    }
    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px 25px;
      background:rgba(8,18,34,.48);
    }
    .cta-panel{
      padding:46px;
      border-radius:32px;
      background:
        radial-gradient(circle at 80% 20%,rgba(34,211,238,.22),transparent 34%),
        linear-gradient(135deg,rgba(8,18,34,.92),rgba(15,23,42,.72));
      border:1px solid rgba(34,211,238,.25);
      box-shadow:var(--shadow),0 0 58px rgba(34,211,238,.14);
      position:relative;
      overflow:hidden;
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      right:-80px;bottom:-120px;
      width:380px;height:380px;
      border-radius:50%;
      border:1px solid rgba(34,211,238,.2);
      box-shadow:inset 0 0 60px rgba(34,211,238,.08);
    }
    .cta-panel h2{
      font-size:clamp(28px,4vw,46px);
      font-weight:900;
      line-height:1.16;
      margin:0 0 14px;
      position:relative;
      z-index:1;
    }
    .cta-panel p{
      max-width:760px;
      color:var(--muted);
      margin:0 0 24px;
      position:relative;
      z-index:1;
    }
    .cta-panel .hero-actions{position:relative;z-index:1;margin-bottom:0}
    .site-footer{
      padding:52px 0 30px;
      background:linear-gradient(180deg,rgba(3,7,18,.2),rgba(3,7,18,.86));
      border-top:1px solid rgba(125,211,252,.14);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-desc{color:var(--muted);max-width:650px;margin:0}
    .footer-links{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
      margin-bottom:14px;
    }
    .footer-links a{
      color:var(--muted);
      padding:7px 0;
      font-weight:700;
    }
    .compliance-note{
      margin-top:28px;
      padding:16px 18px;
      border-radius:18px;
      border:1px solid rgba(245,158,11,.25);
      background:rgba(245,158,11,.08);
      color:#fbd38d;
      font-size:14.5px;
    }
    .copyright{
      margin-top:22px;
      color:var(--weak);
      font-size:14px;
      border-top:1px solid rgba(125,211,252,.12);
      padding-top:20px;
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 991.98px){
      .navbar-collapse{
        margin-top:14px;
        padding:14px;
        background:rgba(8,18,34,.92);
        border:1px solid rgba(125,211,252,.18);
        border-radius:20px;
        box-shadow:var(--shadow);
      }
      .nav-link{min-height:44px}
      .hero{min-height:auto;padding:92px 0 64px}
      .pulse-check{position:relative;right:auto;bottom:auto;margin:34px 0 0;width:150px;height:150px}
      .pain-strip,.metric-grid,.feedback-row{grid-template-columns:repeat(2,1fr)}
      .focus-grid{grid-template-columns:1fr 1fr}
      .focus-card.featured{grid-row:auto;grid-column:span 2;min-height:auto}
      .info-board{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .footer-links{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width: 767.98px){
      .section{padding:66px 0}
      .section-tight{padding:56px 0}
      .navbar-brand{font-size:15px;max-width:260px}
      .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%}
      .hero-points{display:grid;grid-template-columns:1fr;width:100%}
      .pain-strip,.metric-grid,.feedback-row,.focus-grid{grid-template-columns:1fr}
      .focus-card.featured{grid-column:auto}
      .info-item{grid-template-columns:1fr;gap:10px}
      .info-item .btn-small{justify-self:start}
      .cta-panel{padding:30px 22px;border-radius:24px}
    }
    @media (max-width: 575.98px){
      .logo-mark{width:38px;height:38px;flex-basis:38px}
      h1{font-size:36px}
      .hero-lead,.section-desc{font-size:16px}
      .glass-card{border-radius:22px;backdrop-filter:blur(10px)}
      .signal-card,.metric-card,.feedback-card,.check-panel,.timeline{padding:20px}
      .pulse-check{width:132px;height:132px}
      .pulse-check span{font-size:16px}
    }

/* roulang page: category1 */
:root{
      --bg:#050B18;
      --bg-2:#07111F;
      --panel:rgba(8,18,34,.72);
      --panel-2:rgba(15,23,42,.66);
      --text:#D7E3F4;
      --muted:#8FA3BD;
      --soft:#B7C8DD;
      --cyan:#22D3EE;
      --blue:#38BDF8;
      --purple:#8B5CF6;
      --magenta:#D946EF;
      --amber:#F59E0B;
      --green:#34D399;
      --danger:#FB7185;
      --border:rgba(125,211,252,.18);
      --border-strong:rgba(34,211,238,.44);
      --shadow:0 24px 80px rgba(0,0,0,.34);
      --glow:0 0 36px rgba(34,211,238,.18);
      --radius-lg:28px;
      --radius:22px;
      --radius-sm:14px;
      --nav-h:76px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 10% 0%, rgba(34,211,238,.16), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(139,92,246,.18), transparent 30%),
        radial-gradient(circle at 50% 90%, rgba(56,189,248,.10), transparent 34%),
        linear-gradient(180deg, #050B18 0%, #07111F 52%, #050B18 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(148,163,184,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.15));
    }
    body:after{
      content:"";
      position:fixed;
      width:760px;
      height:760px;
      right:-260px;
      top:120px;
      border:1px solid rgba(34,211,238,.12);
      border-radius:50%;
      box-shadow:inset 0 0 80px rgba(34,211,238,.04);
      pointer-events:none;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--cyan)}
    img{max-width:100%;height:auto}
    button,input{font-family:inherit}
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    .container{max-width:1220px}
    .section{padding:96px 0;position:relative}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      gap:8px;
      align-items:center;
      padding:8px 13px;
      border:1px solid rgba(34,211,238,.24);
      border-radius:999px;
      background:rgba(34,211,238,.08);
      color:#BFF6FF;
      font-weight:700;
      font-size:14px;
      letter-spacing:.02em;
      box-shadow:0 0 22px rgba(34,211,238,.08);
    }
    .section-title{
      margin:16px 0 14px;
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .section-lead{
      max-width:820px;
      color:var(--soft);
      font-size:17px;
      margin:0;
    }
    .text-muted{color:var(--muted)!important}

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(5,11,24,.68);
      border-bottom:1px solid rgba(125,211,252,.14);
      backdrop-filter:blur(16px);
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(5,11,24,.92);
      box-shadow:0 18px 60px rgba(0,0,0,.34);
    }
    .navbar{min-height:var(--nav-h);padding:12px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff!important;
      font-size:18px;
      font-weight:800;
      letter-spacing:-.02em;
      max-width:390px;
      white-space:normal;
      line-height:1.25;
    }
    .logo-mark{
      flex:0 0 auto;
      display:inline-grid;
      place-items:center;
      width:40px;
      height:40px;
      border-radius:14px;
      color:#00111A;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 26px rgba(34,211,238,.34), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .navbar-nav{gap:8px}
    .nav-link{
      color:var(--soft)!important;
      padding:10px 14px!important;
      border-radius:999px;
      font-weight:700;
      position:relative;
      min-height:44px;
      display:flex;
      align-items:center;
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      opacity:0;
      transform:scaleX(.45);
      transition:var(--ease);
    }
    .nav-link:hover{
      color:#fff!important;
      background:rgba(34,211,238,.08);
    }
    .nav-link.active{
      color:var(--cyan)!important;
      background:rgba(34,211,238,.10);
      text-shadow:0 0 18px rgba(34,211,238,.38);
    }
    .nav-link.active:after{opacity:1;transform:scaleX(1)}
    .navbar-toggler{
      border:1px solid rgba(34,211,238,.45);
      border-radius:14px;
      padding:10px 12px;
      box-shadow:0 0 22px rgba(34,211,238,.12);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(34,211,238,.18)}
    .navbar-toggler-icon{
      width:22px;height:18px;
      background-image:linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan));
      background-position:0 0,0 8px,0 16px;
      background-size:22px 2px;
      background-repeat:no-repeat;
    }

    .btn-neon,.btn-glass,.btn-mini{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--ease);
      text-decoration:none;
      white-space:nowrap;
      cursor:pointer;
    }
    .btn-neon{
      color:#031321!important;
      padding:13px 20px;
      background:linear-gradient(135deg,var(--cyan),var(--blue) 46%,var(--purple));
      box-shadow:0 0 30px rgba(34,211,238,.24), inset 0 1px 0 rgba(255,255,255,.48);
    }
    .btn-small{padding:10px 16px;font-size:14px}
    .btn-neon:hover{
      transform:translateY(-2px);
      color:#020C16!important;
      box-shadow:0 0 44px rgba(34,211,238,.38), inset 0 1px 0 rgba(255,255,255,.62);
    }
    .btn-glass{
      padding:12px 18px;
      color:#DFF8FF!important;
      background:rgba(8,18,34,.55);
      border-color:rgba(34,211,238,.32);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .btn-glass:hover{
      transform:translateY(-2px);
      background:rgba(34,211,238,.10);
      border-color:rgba(34,211,238,.58);
      box-shadow:0 0 28px rgba(34,211,238,.16);
    }
    .btn-mini{
      padding:9px 13px;
      color:#BFF6FF!important;
      border-color:rgba(34,211,238,.24);
      background:rgba(34,211,238,.07);
      font-size:14px;
    }
    .btn-mini:hover{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.5);transform:translateY(-1px)}
    .btn-neon:focus-visible,.btn-glass:focus-visible,.btn-mini:focus-visible,.filter-pill:focus-visible{
      outline:3px solid rgba(34,211,238,.35);
      outline-offset:3px;
    }

    .glass-card{
      background:var(--panel);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
      position:relative;
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 34%,rgba(34,211,238,.04));
      pointer-events:none;
    }
    .card-inner{position:relative;z-index:1}
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(34,211,238,.22);
      background:rgba(34,211,238,.08);
      color:#C8F9FF;
    }
    .badge-purple{border-color:rgba(139,92,246,.28);background:rgba(139,92,246,.11);color:#DDD2FF}
    .badge-amber{border-color:rgba(245,158,11,.34);background:rgba(245,158,11,.12);color:#FFDFA3}
    .badge-green{border-color:rgba(52,211,153,.30);background:rgba(52,211,153,.10);color:#BFFFE5}
    .badge-danger{border-color:rgba(251,113,133,.34);background:rgba(251,113,133,.12);color:#FFD0D8}

    .category-hero{
      padding:72px 0 44px;
      position:relative;
    }
    .category-hero .breadcrumb{
      --bs-breadcrumb-divider-color:rgba(215,227,244,.55);
      margin-bottom:22px;
      font-size:14px;
    }
    .breadcrumb a{color:#9CEEFF;font-weight:700}
    .breadcrumb .active{color:var(--muted)}
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.96fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:38px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(34,211,238,.10),transparent 45%),
        rgba(8,18,34,.58);
      border:1px solid rgba(125,211,252,.18);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      width:360px;height:360px;
      left:-170px;bottom:-220px;
      border:1px solid rgba(34,211,238,.14);
      border-radius:50%;
      box-shadow:0 0 70px rgba(34,211,238,.06);
    }
    h1{
      position:relative;
      z-index:1;
      margin:18px 0 18px;
      font-size:clamp(34px,5.2vw,64px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:900;
      color:#fff;
    }
    .hero-copy p{
      position:relative;
      z-index:1;
      max-width:760px;
      font-size:18px;
      color:var(--soft);
      margin-bottom:22px;
    }
    .hero-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .hero-tags{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .choice-board{
      padding:22px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .choice-title{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      padding-bottom:12px;
      border-bottom:1px solid rgba(125,211,252,.16);
    }
    .choice-title h2{font-size:22px;font-weight:900;margin:0;color:#fff}
    .choice-title span{font-size:13px;color:var(--muted)}
    .option-card{
      position:relative;
      border-radius:20px;
      padding:16px;
      background:rgba(15,23,42,.58);
      border:1px solid rgba(125,211,252,.16);
      transition:var(--ease);
    }
    .option-card:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.44);box-shadow:0 0 26px rgba(34,211,238,.10)}
    .option-card.recommended{
      order:-1;
      background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.12));
      border-color:rgba(34,211,238,.54);
      box-shadow:0 0 42px rgba(34,211,238,.15);
    }
    .option-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}
    .option-head strong{font-size:18px;color:#fff}
    .option-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .energy{
      height:7px;
      margin-top:12px;
      border-radius:999px;
      background:rgba(148,163,184,.14);
      overflow:hidden;
    }
    .energy span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
    .option-card:nth-of-type(2) .energy span{width:72%}
    .option-card:nth-of-type(3) .energy span{width:58%}
    .option-card.recommended .energy span{width:94%}

    .filter-strip{
      margin-top:34px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:14px;
      border:1px solid rgba(125,211,252,.14);
      background:rgba(8,18,34,.46);
      border-radius:999px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .filter-pill{
      border:1px solid rgba(125,211,252,.18);
      color:var(--soft);
      background:rgba(15,23,42,.72);
      border-radius:999px;
      padding:10px 15px;
      font-weight:800;
      min-height:42px;
      transition:var(--ease);
    }
    .filter-pill:hover,.filter-pill.active{
      color:#031321;
      background:linear-gradient(135deg,var(--cyan),var(--blue));
      border-color:rgba(34,211,238,.75);
      box-shadow:0 0 24px rgba(34,211,238,.22);
    }

    .guide-layout{
      display:grid;
      grid-template-columns:minmax(0,8.2fr) minmax(300px,3.8fr);
      gap:28px;
      align-items:start;
    }
    .guide-list{display:flex;flex-direction:column;gap:18px}
    .guide-card{
      padding:22px;
      display:grid;
      grid-template-columns:auto minmax(0,1fr) auto;
      gap:18px;
      align-items:start;
      transition:var(--ease);
    }
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:rgba(34,211,238,.42);
      box-shadow:var(--shadow),0 0 34px rgba(34,211,238,.13);
    }
    .guide-num{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#031321;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 22px rgba(34,211,238,.22);
    }
    .guide-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
    .guide-card h3{font-size:22px;font-weight:900;color:#fff;margin:0 0 8px}
    .guide-card p{color:var(--muted);margin:0;line-height:1.72}
    .side-panel{
      position:sticky;
      top:100px;
      padding:22px;
    }
    .side-panel h2{font-size:22px;font-weight:900;margin:0 0 14px;color:#fff}
    .check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--soft);
      padding:12px;
      border-radius:16px;
      background:rgba(15,23,42,.55);
      border:1px solid rgba(125,211,252,.12);
    }
    .check-list i{color:var(--cyan);font-size:18px;flex:0 0 auto}
    .warning-box{
      margin-top:16px;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(245,158,11,.35);
      background:rgba(245,158,11,.10);
      color:#FFE8B8;
    }
    .warning-box strong{display:block;color:#FFD79B;margin-bottom:6px}

    .process-wrap{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:28px;
      align-items:center;
    }
    .timeline{
      padding:26px;
      position:relative;
    }
    .step{
      display:grid;
      grid-template-columns:42px minmax(0,1fr);
      gap:14px;
      padding:0 0 24px;
      position:relative;
    }
    .step:last-child{padding-bottom:0}
    .step:not(:last-child):after{
      content:"";
      position:absolute;
      left:20px;
      top:45px;
      width:2px;
      height:calc(100% - 38px);
      background:linear-gradient(var(--cyan),rgba(139,92,246,.2));
      opacity:.75;
    }
    .step-dot{
      width:42px;height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(34,211,238,.12);
      border:1px solid rgba(34,211,238,.44);
      color:var(--cyan);
      box-shadow:0 0 20px rgba(34,211,238,.18);
      z-index:1;
    }
    .step h3{font-size:19px;font-weight:900;margin:0 0 4px;color:#fff}
    .step p{margin:0;color:var(--muted)}
    .compare-panel{padding:26px}
    .compare-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      padding:15px 0;
      border-bottom:1px solid rgba(125,211,252,.12);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row strong{color:#fff}
    .compare-row p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .score{
      min-width:80px;
      text-align:center;
      border-radius:16px;
      padding:8px 10px;
      font-weight:900;
      color:#04111D;
      background:linear-gradient(135deg,var(--cyan),var(--green));
    }

    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:30px;
    }
    .metric-card{
      padding:22px;
      min-height:170px;
      transition:var(--ease);
    }
    .metric-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.42)}
    .metric-value{
      font-size:clamp(34px,4vw,52px);
      line-height:1;
      font-weight:900;
      color:#fff;
      letter-spacing:-.04em;
      text-shadow:0 0 24px rgba(34,211,238,.24);
    }
    .metric-value span{font-size:18px;color:var(--cyan);margin-left:4px}
    .metric-card h3{font-size:18px;font-weight:900;color:#fff;margin:16px 0 8px}
    .metric-card p{margin:0;color:var(--muted);font-size:14px}

    .feedback-row{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      margin-top:30px;
    }
    .feedback-card{
      padding:24px;
      transition:var(--ease);
    }
    .feedback-card:hover{transform:translateY(-3px);border-color:rgba(139,92,246,.36)}
    .feedback-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
    .avatar{
      width:48px;height:48px;border-radius:50%;
      display:grid;place-items:center;
      font-weight:900;color:#fff;
      background:linear-gradient(135deg,rgba(34,211,238,.75),rgba(217,70,239,.75));
      box-shadow:0 0 24px rgba(139,92,246,.22);
    }
    .feedback-card blockquote{
      margin:0;
      color:var(--soft);
      font-size:18px;
      line-height:1.72;
    }
    .feedback-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

    .accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent}
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(125,211,252,.18)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:rgba(8,18,34,.62)!important;
      backdrop-filter:blur(12px);
      box-shadow:0 18px 50px rgba(0,0,0,.18);
    }
    .accordion-button{
      color:#fff!important;
      background:rgba(15,23,42,.68)!important;
      font-weight:900;
      font-size:17px;
      padding:19px 22px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      border-left:4px solid var(--cyan);
      color:#BFF6FF!important;
      background:linear-gradient(90deg,rgba(34,211,238,.14),rgba(15,23,42,.72))!important;
    }
    .accordion-button:after{
      filter:invert(1) brightness(2);
      opacity:.75;
    }
    .accordion-body{
      color:var(--soft);
      padding:20px 24px 24px;
      background:rgba(8,18,34,.50);
    }

    .cta-band{
      padding:32px;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 18% 30%, rgba(34,211,238,.18), transparent 32%),
        radial-gradient(circle at 82% 0%, rgba(139,92,246,.22), transparent 34%),
        linear-gradient(135deg,rgba(8,18,34,.86),rgba(15,23,42,.72));
      border:1px solid rgba(34,211,238,.24);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
      position:relative;
    }
    .cta-band:before{
      content:"";
      position:absolute;
      inset:auto -80px -140px auto;
      width:360px;height:360px;
      border-radius:50%;
      border:1px solid rgba(34,211,238,.14);
    }
    .cta-band h2{font-size:clamp(28px,4vw,42px);font-weight:900;color:#fff;margin:0 0 10px}
    .cta-band p{color:var(--soft);margin:0;max-width:760px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    .site-footer{
      padding:54px 0 32px;
      background:linear-gradient(180deg,rgba(3,7,18,.70),rgba(3,7,18,.96));
      border-top:1px solid rgba(125,211,252,.16);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:900;
      font-size:19px;
      margin-bottom:14px;
    }
    .footer-desc{max-width:760px;color:var(--muted);margin:0}
    .footer-links{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--soft);
      border:1px solid rgba(125,211,252,.14);
      background:rgba(15,23,42,.36);
      font-weight:700;
    }
    .footer-links a:hover{color:var(--cyan);border-color:rgba(34,211,238,.38);background:rgba(34,211,238,.08)}
    .compliance-note{
      margin-top:28px;
      padding:16px 18px;
      border-radius:18px;
      border:1px solid rgba(245,158,11,.28);
      background:rgba(245,158,11,.08);
      color:#FFDFA3;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .copyright{
      margin-top:20px;
      padding-top:20px;
      border-top:1px solid rgba(125,211,252,.12);
      color:rgba(143,163,189,.78);
      font-size:14px;
      text-align:center;
    }

    @media (max-width: 991.98px){
      :root{--nav-h:68px}
      .navbar-collapse{
        margin-top:14px;
        padding:14px;
        border:1px solid rgba(125,211,252,.16);
        border-radius:22px;
        background:rgba(8,18,34,.94);
        box-shadow:0 22px 70px rgba(0,0,0,.34);
      }
      .navbar-brand{font-size:16px;max-width:calc(100% - 72px)}
      .hero-shell,.guide-layout,.process-wrap,.feedback-row{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .cta-actions{justify-content:flex-start;margin-top:22px}
      .section{padding:72px 0}
      .category-hero{padding-top:48px}
    }
    @media (max-width: 767.98px){
      .hero-copy{padding:26px}
      .choice-board{padding:18px}
      .filter-strip{
        border-radius:22px;
        flex-wrap:nowrap;
        overflow-x:auto;
        scrollbar-width:none;
      }
      .filter-strip::-webkit-scrollbar{display:none}
      .filter-pill{flex:0 0 auto}
      .guide-card{
        grid-template-columns:1fr;
        gap:12px;
      }
      .guide-num{width:44px;height:44px}
      .metric-grid{grid-template-columns:1fr}
      .compare-row{grid-template-columns:1fr}
      .score{width:max-content}
      .footer-links{justify-content:flex-start}
      .compliance-note{display:block}
      .compliance-note i{margin-right:6px}
    }
    @media (max-width: 575.98px){
      .btn-neon,.btn-glass{width:100%}
      .btn-small{width:auto}
      .hero-actions,.cta-actions{width:100%}
      .section{padding:58px 0}
      .glass-card{backdrop-filter:blur(8px)}
      .logo-mark{width:36px;height:36px;border-radius:12px}
      .navbar-brand span:last-child{font-size:15px}
      .hero-copy p{font-size:16px}
      .option-head{align-items:flex-start;flex-direction:column}
    }