/* roulang page: index */
:root{
      --bg:#07111F;
      --bg2:#0B1730;
      --line:rgba(255,255,255,.10);
      --line2:rgba(105,230,255,.18);
      --text:#EAF7FF;
      --muted:#9FB3C8;
      --cyan:#69E6FF;
      --violet:#A78BFA;
      --mint:#7DF3C4;
      --radius-xl:1.75rem;
      --radius-lg:1.25rem;
      --radius-md:1rem;
      --shadow:0 24px 70px rgba(1,8,20,.45);
    }
    html{scroll-behavior:smooth; scroll-padding-top:110px;}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px circle at 15% 12%, rgba(105,230,255,.12), transparent 36%),
        radial-gradient(900px circle at 84% 18%, rgba(167,139,250,.14), transparent 32%),
        radial-gradient(700px circle at 60% 80%, rgba(125,243,196,.08), transparent 24%),
        linear-gradient(180deg, #07111F 0%, #0A1325 52%, #07111F 100%);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: 36px 36px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,.06) 60%, rgba(0,0,0,.35));
      opacity:.75;
    }
    ::selection{background: rgba(105,230,255,.35); color:#06111F;}
    a,button,input,textarea,summary{transition: all .22s ease;}
    a{text-decoration:none;}
    img{max-width:100%; display:block;}
    .glass{
      background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }
    .glass-strong{
      background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
      border: 1px solid rgba(105,230,255,.18);
      backdrop-filter: blur(22px);
      box-shadow: 0 18px 60px rgba(1,8,20,.42);
    }
    .grid-mask{
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(105,230,255,.18), transparent 18%),
        radial-gradient(circle at 80% 20%, rgba(167,139,250,.15), transparent 20%),
        radial-gradient(circle at 50% 100%, rgba(125,243,196,.08), transparent 16%);
      opacity:.8;
    }
    .section-wrap{position:relative;}
    .section-wrap::after{
      content:"";
      position:absolute;
      left:50%;
      transform:translateX(-50%);
      bottom:-1px;
      width:min(100%, 72rem);
      height:1px;
      background: linear-gradient(90deg, transparent, rgba(105,230,255,.22), transparent);
    }
    .nav-blur{
      background: rgba(7,17,31,.72);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .nav-scrolled{
      background: rgba(7,17,31,.88);
      box-shadow: 0 12px 30px rgba(0,0,0,.22);
    }
    .focus-ring:focus{
      outline:none;
      box-shadow: 0 0 0 4px rgba(105,230,255,.18);
      border-color: rgba(105,230,255,.45);
    }
    .nav-link{
      color:#C9D8E8;
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:#F2FBFF;
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
    }
    .nav-link.active{
      color:#EAF7FF;
      background: rgba(105,230,255,.10);
      border-color: rgba(105,230,255,.20);
      box-shadow: 0 0 0 1px rgba(105,230,255,.08) inset;
    }
    .btn-primary{
      background: linear-gradient(135deg, #69E6FF 0%, #A78BFA 100%);
      color:#051120;
      box-shadow: 0 18px 40px rgba(105,230,255,.18);
    }
    .btn-primary:hover{
      transform: translateY(-1px);
      box-shadow: 0 22px 48px rgba(105,230,255,.24);
      filter: brightness(1.03);
    }
    .btn-secondary{
      background: rgba(255,255,255,.05);
      color:#EAF7FF;
      border: 1px solid rgba(255,255,255,.12);
    }
    .btn-secondary:hover{
      background: rgba(255,255,255,.08);
      border-color: rgba(105,230,255,.26);
      box-shadow: 0 0 0 1px rgba(105,230,255,.08) inset;
      transform: translateY(-1px);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      border-radius:9999px;
      border:1px solid rgba(105,230,255,.18);
      background: rgba(105,230,255,.08);
      color:#D9FAFF;
      padding:.5rem .9rem;
      font-size:.875rem;
      line-height:1;
    }
    .tag-muted{
      display:inline-flex;
      align-items:center;
      border-radius:9999px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      color:#C2D4E5;
      padding:.45rem .8rem;
      font-size:.82rem;
    }
    .soft-card{
      background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
      border: 1px solid rgba(255,255,255,.10);
      backdrop-filter: blur(18px);
      box-shadow: 0 15px 50px rgba(1,8,20,.28);
    }
    .soft-card:hover{
      border-color: rgba(105,230,255,.24);
      background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
      transform: translateY(-2px);
    }
    .headline{
      letter-spacing: -0.02em;
      text-wrap: balance;
    }
    .mini-scope{
      position:absolute;
      inset:auto 0 0 auto;
      width:12rem;
      height:12rem;
      border-radius:9999px;
      background: radial-gradient(circle, rgba(105,230,255,.18), rgba(105,230,255,0) 65%);
      filter: blur(2px);
      pointer-events:none;
    }
    details.faq-card{
      border-radius: 1.25rem;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
      padding: 1.05rem 1.1rem;
    }
    details.faq-card[open]{
      border-color: rgba(105,230,255,.24);
      background: rgba(255,255,255,.075);
      box-shadow: 0 16px 40px rgba(1,8,20,.24);
    }
    details.faq-card summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:700;
      color:#F0FAFF;
    }
    details.faq-card summary::-webkit-details-marker{display:none;}
    .faq-arrow{
      flex:0 0 auto;
      width:1.8rem;
      height:1.8rem;
      border-radius:9999px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      display:grid;
      place-items:center;
      color:#9FDDF0;
      transition: transform .25s ease;
    }
    details[open] .faq-arrow{transform: rotate(180deg);}
    .timeline-line{
      position:absolute;
      left:1.25rem;
      top:1.4rem;
      bottom:1.4rem;
      width:1px;
      background: linear-gradient(180deg, rgba(105,230,255,.0), rgba(105,230,255,.45), rgba(167,139,250,.25), rgba(105,230,255,.0));
    }
    .scrollbar-thin::-webkit-scrollbar{height:10px;width:10px}
    .scrollbar-thin::-webkit-scrollbar-track{background: rgba(255,255,255,.03)}
    .scrollbar-thin::-webkit-scrollbar-thumb{background: rgba(105,230,255,.22); border-radius:9999px}
    @media (max-width: 1024px){
      .timeline-line{left:.9rem;}
    }

/* roulang page: category2 */
:root{
      --bg:#07111F;
      --bg-2:#0B1730;
      --panel:rgba(255,255,255,.06);
      --panel-strong:rgba(255,255,255,.09);
      --line:rgba(255,255,255,.10);
      --line-cyan:rgba(105,230,255,.24);
      --text:#EAF7FF;
      --muted:#94A3B8;
      --cyan:#69E6FF;
      --violet:#A78BFA;
      --mint:#7DF3C4;
      --radius-xl:1.5rem;
      --radius-2xl:2rem;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(circle at 14% 8%, rgba(105,230,255,.16), transparent 34rem),
        radial-gradient(circle at 82% 16%, rgba(167,139,250,.15), transparent 32rem),
        radial-gradient(circle at 58% 88%, rgba(125,243,196,.08), transparent 30rem),
        linear-gradient(180deg, #07111F 0%, #081426 42%, #06101D 100%);
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.75;
      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:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.72), transparent 86%);
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .nav-blur{
      background:rgba(6,16,29,.72);
      border-bottom:1px solid rgba(255,255,255,.09);
      backdrop-filter:blur(22px);
      box-shadow:0 12px 36px rgba(0,0,0,.22);
    }
    .focus-ring:focus{
      outline:none;
      border-color:rgba(105,230,255,.52);
      box-shadow:0 0 0 4px rgba(105,230,255,.14), 0 0 34px rgba(105,230,255,.13);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:.62rem .85rem;
      color:#CBD5E1;
      font-size:.92rem;
      transition:all .25s ease;
      white-space:nowrap;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
    .nav-link.active{
      color:#CFFAFE;
      background:rgba(105,230,255,.12);
      box-shadow:inset 0 0 0 1px rgba(105,230,255,.18);
    }
    .glass{
      border:1px solid var(--line);
      background:var(--panel);
      backdrop-filter:blur(22px);
      box-shadow:0 24px 80px rgba(0,0,0,.28);
    }
    .glass-strong{
      border:1px solid rgba(105,230,255,.18);
      background:linear-gradient(180deg, rgba(255,255,255,.095), rgba(255,255,255,.045));
      backdrop-filter:blur(24px);
      box-shadow:0 28px 90px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.08);
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      padding:.88rem 1.28rem;
      font-weight:800;
      color:#06101D;
      background:linear-gradient(135deg, var(--cyan), var(--mint) 46%, var(--violet));
      box-shadow:0 0 34px rgba(105,230,255,.24);
      transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 48px rgba(105,230,255,.34)}
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      padding:.86rem 1.22rem;
      font-weight:700;
      color:#EAF7FF;
      transition:all .25s ease;
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(105,230,255,.32);background:rgba(255,255,255,.09);color:#fff}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      border:1px solid rgba(105,230,255,.22);
      background:rgba(105,230,255,.10);
      color:#CFFAFE;
      border-radius:999px;
      padding:.38rem .75rem;
      font-size:.86rem;
      font-weight:700;
    }
    .section-pad{padding:96px 0}
    .card-hover{transition:transform .3s ease,border-color .3s ease,background .3s ease,box-shadow .3s ease}
    .card-hover:hover{transform:translateY(-6px);border-color:rgba(105,230,255,.34);background:rgba(255,255,255,.085);box-shadow:0 24px 70px rgba(0,0,0,.26)}
    .asset-node{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      border-radius:1.25rem;
      padding:1rem;
    }
    .asset-node.active{
      border-color:rgba(105,230,255,.32);
      background:linear-gradient(135deg, rgba(105,230,255,.13), rgba(167,139,250,.08));
    }
    .tag-pill{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.06);
      padding:.42rem .72rem;
      color:#CBD5E1;
      font-size:.86rem;
    }
    .timeline-line{position:relative}
    .timeline-line:before{
      content:"";
      position:absolute;
      left:1.15rem;
      top:2.25rem;
      bottom:2.25rem;
      width:1px;
      background:linear-gradient(to bottom, rgba(105,230,255,.55), rgba(167,139,250,.18));
    }
    .form-input{
      width:100%;
      border-radius:1rem;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      padding:.86rem 1rem;
      color:#F8FAFC;
      transition:all .2s ease;
    }
    .form-input::placeholder{color:#64748B}
    .form-input:focus{
      outline:none;
      border-color:rgba(105,230,255,.45);
      box-shadow:0 0 0 4px rgba(105,230,255,.12);
    }
    details summary::-webkit-details-marker{display:none}
    details[open] summary .faq-plus{transform:rotate(45deg);color:#67E8F9}
    .mobile-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .3s ease;
    }
    .mobile-panel.open{max-height:520px}
    @media (max-width:1024px){
      .section-pad{padding:76px 0}
    }
    @media (max-width:640px){
      .section-pad{padding:62px 0}
      .btn-primary,.btn-secondary{width:100%;padding:.9rem 1rem}
      .timeline-line:before{left:1rem}
    }

/* roulang page: category1 */
:root{
      --bg:#07111F;
      --bg-2:#0B1730;
      --text:#EAF7FF;
      --muted:#94A3B8;
      --line:rgba(255,255,255,.1);
      --cyan:#69E6FF;
      --violet:#A78BFA;
      --mint:#7DF3C4;
      --radius-xl:1.5rem;
      --radius-2xl:2rem;
      --shadow-glow:0 0 32px rgba(105,230,255,.18);
      --shadow-card:0 24px 80px rgba(0,0,0,.34);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.75;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(105,230,255,.18), transparent 30%),
        radial-gradient(circle at 85% 18%, rgba(167,139,250,.16), transparent 28%),
        radial-gradient(circle at 72% 78%, rgba(125,243,196,.08), transparent 28%),
        linear-gradient(180deg,#07111F 0%,#09172A 48%,#06101D 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),rgba(0,0,0,.12));
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(/%23n)' opacity='.35'/%3E%3C/svg%3E");
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    input,select,textarea{outline:none}
    .nav-blur{
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(6,16,29,.72);
      backdrop-filter:blur(22px);
      box-shadow:0 10px 40px rgba(0,0,0,.22);
    }
    .focus-ring:focus{
      border-color:rgba(105,230,255,.45);
      box-shadow:0 0 0 4px rgba(105,230,255,.12),0 0 26px rgba(105,230,255,.18);
    }
    .nav-link{
      border:1px solid transparent;
      color:rgb(203 213 225);
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      border-color:rgba(105,230,255,.22);
      background:rgba(255,255,255,.06);
    }
    .nav-link.active{
      color:#EAF7FF;
      border-color:rgba(105,230,255,.3);
      background:linear-gradient(135deg,rgba(105,230,255,.16),rgba(167,139,250,.1));
      box-shadow:0 0 24px rgba(105,230,255,.12);
    }
    .glass{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(20px);
      box-shadow:var(--shadow-card);
    }
    .glass-soft{
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.04));
      backdrop-filter:blur(18px);
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      padding:.85rem 1.35rem;
      font-weight:800;
      color:#06101D;
      background:linear-gradient(135deg,#69E6FF 0%,#7DF3C4 48%,#A78BFA 100%);
      box-shadow:0 0 30px rgba(105,230,255,.22);
      transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      filter:brightness(1.06);
      box-shadow:0 0 42px rgba(105,230,255,.34);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      padding:.85rem 1.35rem;
      font-weight:750;
      color:#EAF7FF;
      background:rgba(255,255,255,.06);
      transition:transform .25s ease,background .25s ease,border-color .25s ease;
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(105,230,255,.35);
      background:rgba(255,255,255,.09);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      border-radius:999px;
      border:1px solid rgba(105,230,255,.22);
      background:rgba(105,230,255,.1);
      padding:.35rem .75rem;
      color:#CFF8FF;
      font-size:.86rem;
      line-height:1.2;
    }
    .section-title{
      font-weight:900;
      letter-spacing:-.03em;
      line-height:1.12;
    }
    .card-hover{transition:transform .28s ease,border-color .28s ease,background .28s ease,box-shadow .28s ease}
    .card-hover:hover{
      transform:translateY(-5px);
      border-color:rgba(105,230,255,.32);
      background:rgba(255,255,255,.085);
      box-shadow:0 24px 90px rgba(0,0,0,.36),0 0 28px rgba(105,230,255,.1);
    }
    .param-bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,#69E6FF,#A78BFA);
      box-shadow:0 0 18px rgba(105,230,255,.28);
    }
    .abstract-before{
      background:
        linear-gradient(135deg,rgba(148,163,184,.16),rgba(15,23,42,.2)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 10px);
    }
    .abstract-after{
      background:
        radial-gradient(circle at 28% 25%,rgba(234,247,255,.36),transparent 28%),
        radial-gradient(circle at 72% 60%,rgba(105,230,255,.2),transparent 34%),
        linear-gradient(135deg,rgba(105,230,255,.16),rgba(167,139,250,.14));
    }
    .mobile-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .mobile-panel.open{max-height:520px}
    details summary::-webkit-details-marker{display:none}
    details[open] .faq-plus{transform:rotate(45deg)}
    .faq-plus{transition:transform .2s ease}
    @media (max-width:1024px){
      .desktop-only{display:none!important}
    }
    @media (max-width:640px){
      .btn-primary,.btn-secondary{width:100%;padding:.82rem 1rem}
      .section-title{letter-spacing:-.02em}
    }

/* roulang page: category3 */
:root{
      --bg:#07111F;
      --bg-2:#0B1730;
      --panel:rgba(255,255,255,.06);
      --panel-2:rgba(255,255,255,.09);
      --line:rgba(255,255,255,.11);
      --muted:#94A3B8;
      --text:#EAF7FF;
      --cyan:#69E6FF;
      --violet:#A78BFA;
      --mint:#7DF3C4;
      --shadow:0 24px 80px rgba(0,0,0,.34);
      --glow:0 0 38px rgba(105,230,255,.18);
      --radius:28px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%, rgba(105,230,255,.18), transparent 34rem),
        radial-gradient(circle at 88% 14%, rgba(167,139,250,.18), transparent 32rem),
        radial-gradient(circle at 55% 75%, rgba(125,243,196,.08), transparent 34rem),
        linear-gradient(180deg,#07111F 0%,#081426 48%,#06101D 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), rgba(0,0,0,.12));
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.07;
      background-image:radial-gradient(circle, rgba(255,255,255,.45) 1px, transparent 1.5px);
      background-size:28px 28px;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .nav-blur{
      border-bottom:1px solid rgba(255,255,255,.09);
      background:rgba(6,16,29,.76);
      backdrop-filter:blur(22px);
      box-shadow:0 14px 36px rgba(0,0,0,.22);
    }
    .shadow-glow{box-shadow:0 0 30px rgba(105,230,255,.2)}
    .focus-ring:focus{outline:none;box-shadow:0 0 0 4px rgba(105,230,255,.16);border-color:rgba(105,230,255,.46)}
    .nav-link{
      position:relative;
      border:1px solid transparent;
      color:rgb(203 213 225);
      transition:all .25s ease;
      white-space:nowrap;
    }
    .nav-link:hover{color:white;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.1)}
    .nav-link.active{color:rgb(207 250 254);background:rgba(105,230,255,.1);border-color:rgba(103,232,249,.25)}
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:-10px;height:2px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
      border-radius:999px;
      box-shadow:0 0 18px rgba(105,230,255,.5);
    }
    .btn-primary{
      background:linear-gradient(135deg,#69E6FF 0%,#7DF3C4 44%,#A78BFA 100%);
      color:#06101D;
      box-shadow:0 16px 48px rgba(105,230,255,.22);
      transition:transform .25s ease, filter .25s ease, box-shadow .25s ease;
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 58px rgba(105,230,255,.32)}
    .btn-secondary{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#EAF7FF;
      transition:all .25s ease;
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(105,230,255,.34);background:rgba(255,255,255,.1)}
    .glass{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.045));
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow);
    }
    .glass-hover{transition:transform .28s ease,border-color .28s ease,background .28s ease,box-shadow .28s ease}
    .glass-hover:hover{transform:translateY(-5px);border-color:rgba(105,230,255,.35);background:rgba(255,255,255,.085);box-shadow:0 26px 90px rgba(0,0,0,.38),0 0 34px rgba(105,230,255,.08)}
    .badge{
      display:inline-flex;align-items:center;gap:.45rem;
      border:1px solid rgba(105,230,255,.22);
      background:rgba(105,230,255,.1);
      color:#CFFAFE;
      border-radius:999px;
      padding:.38rem .72rem;
      font-size:.86rem;
      line-height:1.2;
    }
    .section{padding:96px 0}
    .section-sm{padding:72px 0}
    .gradient-text{
      background:linear-gradient(90deg,#EAF7FF 0%,#69E6FF 42%,#A78BFA 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .manual-card{
      position:relative;
      overflow:hidden;
    }
    .manual-card:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:radial-gradient(circle at 20% 0%,rgba(105,230,255,.16),transparent 36%),radial-gradient(circle at 100% 100%,rgba(167,139,250,.13),transparent 34%);
      opacity:.82;
      pointer-events:none;
    }
    .manual-card>*{position:relative}
    .p-chip{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05);
      transition:all .25s ease;
    }
    .p-chip:hover{border-color:rgba(105,230,255,.32);background:rgba(105,230,255,.08)}
    .metric-bar{height:.55rem;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
    .metric-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--mint),var(--violet))}
    .step-line:before{
      content:"";
      position:absolute;
      left:1.25rem;
      top:3rem;
      bottom:1.5rem;
      width:1px;
      background:linear-gradient(to bottom,rgba(105,230,255,.55),rgba(167,139,250,.15));
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary{list-style:none}
    .faq-card[open]{border-color:rgba(105,230,255,.28);background:rgba(255,255,255,.08)}
    .mobile-panel{display:none}
    .mobile-panel.open{display:block}
    @media (max-width:1024px){
      .section{padding:78px 0}
      .nav-link.active:after{display:none}
    }
    @media (max-width:768px){
      .section{padding:64px 0}
      .section-sm{padding:56px 0}
      .step-line:before{display:none}
    }
    @media (max-width:520px){
      body{line-height:1.68}
      .badge{font-size:.78rem}
    }