/* roulang page: index */
:root{
      --bg-0:#050B18;
      --bg-1:#081426;
      --bg-2:#0B1F3A;
      --text:#F5F7FB;
      --muted:#A9B7D0;
      --weak:#6F7E99;
      --line:rgba(255,255,255,.11);
      --line-strong:rgba(36,228,255,.34);
      --cyan:#24E4FF;
      --blue:#2F80FF;
      --violet:#7C5CFF;
      --amber:#F6B84A;
      --glass:rgba(255,255,255,.055);
      --glass-2:rgba(255,255,255,.085);
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(36,228,255,.26),0 0 72px rgba(47,128,255,.20);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at 15% 10%, rgba(36,228,255,.18), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(124,92,255,.18), transparent 30%),
        linear-gradient(135deg,var(--bg-0) 0%,var(--bg-1) 46%,#06101f 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:64px 64px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.78),transparent 78%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      left:-10%;
      right:-10%;
      bottom:-120px;
      height:320px;
      pointer-events:none;
      background:
        linear-gradient(90deg,transparent 0%,rgba(36,228,255,.16) 18%,transparent 34%,rgba(47,128,255,.14) 62%,transparent 100%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.10) 0 2px, transparent 2px 34px);
      filter:blur(.2px);
      opacity:.35;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(36,228,255,.28);color:#fff}
    .site-container{width:min(100% - 40px, 1240px);margin-inline:auto}
    .section-pad{padding:96px 0}
    .glass-card{
      position:relative;
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.085),rgba(255,255,255,.038));
      box-shadow:var(--shadow);
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
      border-radius:var(--radius-xl);
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(135deg,rgba(255,255,255,.18),transparent 28%,transparent 72%,rgba(36,228,255,.10));
      opacity:.72;
    }
    .glass-hover{
      transition:transform .28s ease,border-color .28s ease,background .28s ease,box-shadow .28s ease;
    }
    .glass-hover:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.052));
      box-shadow:var(--shadow),var(--glow);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:46px;
      padding:.78rem 1.18rem;
      border-radius:999px;
      font-weight:700;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,filter .22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:3px solid rgba(36,228,255,.42);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(90deg,var(--cyan),var(--blue) 55%,var(--violet));
      box-shadow:0 14px 38px rgba(36,228,255,.24), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 55px rgba(36,228,255,.36),0 0 0 1px rgba(255,255,255,.18) inset}
    .btn-secondary{
      border:1px solid rgba(36,228,255,.38);
      background:rgba(255,255,255,.055);
      color:#DFFBFF;
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(36,228,255,.11);box-shadow:0 12px 36px rgba(47,128,255,.18)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.42rem;
      padding:.42rem .76rem;
      border-radius:999px;
      color:#DDFBFF;
      border:1px solid rgba(36,228,255,.28);
      background:rgba(36,228,255,.08);
      font-size:.88rem;
      line-height:1.2;
    }
    .badge-amber{color:#FFE8B4;border-color:rgba(246,184,74,.34);background:rgba(246,184,74,.10)}
    .section-kicker{color:var(--cyan);font-weight:800;letter-spacing:.08em;font-size:.88rem}
    .section-title{font-size:clamp(1.75rem,3vw,2.55rem);line-height:1.18;font-weight:800;letter-spacing:-.03em;margin-top:.75rem}
    .section-desc{color:var(--muted);font-size:1.02rem;max-width:760px;margin-top:1rem}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.09);
      background:rgba(5,11,24,.72);
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
    }
    .nav-wrap{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(36,228,255,.22),rgba(47,128,255,.18));
      border:1px solid rgba(36,228,255,.34);
      box-shadow:0 0 28px rgba(36,228,255,.18);
      position:relative;
    }
    .brand-mark span{width:22px;height:12px;border:2px solid var(--cyan);border-radius:5px;box-shadow:0 0 12px rgba(36,228,255,.45)}
    .brand-mark:after{content:"";position:absolute;right:8px;bottom:9px;width:5px;height:5px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px rgba(246,184,74,.7)}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{padding:.62rem .9rem;border-radius:999px;color:var(--muted);font-weight:700;font-size:.95rem;transition:background .2s ease,color .2s ease}
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
    .nav-link.active{color:#EFFFFF;background:linear-gradient(90deg,rgba(36,228,255,.18),rgba(47,128,255,.13));border:1px solid rgba(36,228,255,.24)}
    .mobile-menu{
      display:none;
      position:absolute;
      left:20px;
      right:20px;
      top:calc(var(--header-h) + 10px);
      padding:14px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(7,18,34,.94);
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow);
    }
    .mobile-menu.open{display:block}
    .hero{
      position:relative;
      padding:72px 0 86px;
      min-height:720px;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:24px 3% auto;
      height:430px;
      border-radius:44px;
      background:
        radial-gradient(circle at 24% 25%,rgba(36,228,255,.22),transparent 30%),
        radial-gradient(circle at 84% 35%,rgba(124,92,255,.18),transparent 28%),
        linear-gradient(135deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      transform:skewY(-1.5deg);
      pointer-events:none;
    }
    .hero-stage{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{padding:44px;min-height:560px;display:flex;flex-direction:column;justify-content:center}
    .hero h1{
      font-size:clamp(2.25rem,5vw,4.6rem);
      line-height:1.06;
      letter-spacing:-.055em;
      font-weight:900;
      margin:18px 0 18px;
    }
    .hero-lead{font-size:clamp(1.02rem,1.5vw,1.2rem);color:#C9D7EC;max-width:680px}
    .burst{
      position:absolute;
      right:36px;
      top:26px;
      transform:rotate(6deg);
      padding:.55rem .85rem;
      border-radius:18px 18px 18px 4px;
      color:#06101f;
      background:linear-gradient(135deg,#FFE59C,#24E4FF);
      font-weight:900;
      box-shadow:0 14px 42px rgba(36,228,255,.25);
    }
    .hero-panel{padding:22px;display:grid;grid-template-rows:auto 1fr auto;gap:18px}
    .subtitle-timeline{display:flex;flex-direction:column;gap:12px}
    .timeline-item{display:grid;grid-template-columns:78px 1fr;gap:14px;align-items:start;padding:14px;border-radius:20px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09)}
    .timecode{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--cyan);font-weight:800;font-size:.85rem}
    .timeline-item strong{display:block;margin-bottom:4px}
    .timeline-item p{color:var(--muted);font-size:.92rem;margin:0}
    .hero-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .matrix-card{padding:16px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)}
    .matrix-card b{font-size:1.35rem;color:var(--cyan)}
    .matrix-card p{color:var(--muted);font-size:.9rem;margin-top:2px}
    .info-ribbon{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
    .step-ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:end;margin-top:42px}
    .ladder-card{padding:24px;min-height:250px}
    .ladder-card:nth-child(1){transform:translateY(28px)}
    .ladder-card:nth-child(2){transform:translateY(14px)}
    .ladder-card:nth-child(4){border-color:rgba(36,228,255,.33);box-shadow:var(--shadow),0 0 48px rgba(36,228,255,.14)}
    .ladder-number{font-size:2.25rem;line-height:1;font-weight:900;color:transparent;background:linear-gradient(180deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text}
    .card-list{margin-top:16px;display:grid;gap:9px;color:var(--muted);font-size:.94rem}
    .card-list li{display:flex;gap:8px}
    .card-list li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(36,228,255,.6);margin-top:.62rem;flex:none}
    .compare-wrap{margin-top:40px;overflow-x:auto;padding-bottom:8px}
    .compare-table{min-width:920px;width:100%;border-collapse:separate;border-spacing:0;border:1px solid rgba(255,255,255,.12);border-radius:28px;overflow:hidden;background:rgba(255,255,255,.045);box-shadow:var(--shadow)}
    .compare-table th,.compare-table td{padding:20px;border-bottom:1px solid rgba(255,255,255,.09);border-right:1px solid rgba(255,255,255,.08);vertical-align:top}
    .compare-table th{background:rgba(36,228,255,.08);text-align:left}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table th:last-child,.compare-table td:last-child{border-right:0}
    .recommended{position:relative;background:rgba(36,228,255,.075)!important;box-shadow:inset 0 0 0 1px rgba(36,228,255,.22)}
    .check{color:var(--cyan);font-weight:900}
    .cta-panel{padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
    .status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .status-card{padding:16px;border-radius:20px;background:rgba(5,11,24,.38);border:1px solid rgba(255,255,255,.10)}
    .status-card span{display:block;color:var(--weak);font-size:.82rem}
    .status-card b{font-size:1.15rem;color:#fff}
    .form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-top:38px}
    .form-card{padding:28px}
    .field{display:grid;gap:8px;margin-bottom:16px}
    .field label{font-weight:800;color:#DCEBFF;font-size:.94rem}
    .input,.select,.textarea{
      width:100%;
      color:#fff;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(4,12,25,.55);
      border-radius:18px;
      padding:13px 15px;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .textarea{min-height:116px;resize:vertical}
    .input::placeholder,.textarea::placeholder{color:#6F7E99}
    .input:focus,.select:focus,.textarea:focus{border-color:rgba(36,228,255,.55);box-shadow:0 0 0 4px rgba(36,228,255,.12);background:rgba(7,18,34,.72);outline:none}
    .form-note{color:var(--weak);font-size:.88rem;margin-top:12px}
    .message{display:none;margin-top:14px;padding:12px 14px;border-radius:16px;border:1px solid rgba(36,228,255,.26);background:rgba(36,228,255,.08);color:#DDFBFF}
    .message.show{display:block}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
    .story-card{padding:26px}
    .bubble-wall{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;margin-top:36px}
    .bubble{padding:22px;border-radius:26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)}
    .avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,rgba(36,228,255,.25),rgba(124,92,255,.22));border:1px solid rgba(255,255,255,.14);font-weight:900}
    .updates-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;margin-top:36px}
    .update-list{display:grid;gap:12px}
    .update-link{display:grid;grid-template-columns:110px 1fr auto;gap:16px;align-items:center;padding:16px 18px;border-radius:22px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.045);transition:.22s ease}
    .update-link:hover{border-color:rgba(36,228,255,.35);background:rgba(36,228,255,.07);transform:translateX(3px)}
    .update-link time{color:var(--cyan);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem}
    .recommend-track{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
    .recommend-card{padding:24px;min-height:210px}
    .faq-list{margin-top:36px;display:grid;gap:14px}
    details.faq-item{border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.052);border-radius:22px;padding:0;overflow:hidden;transition:border-color .2s ease,background .2s ease}
    details.faq-item[open]{border-color:rgba(36,228,255,.32);background:rgba(36,228,255,.065)}
    .faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-weight:850;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(36,228,255,.28);color:var(--cyan);flex:none}
    .faq-item[open] summary:after{content:"−";background:rgba(36,228,255,.12)}
    .faq-item p{color:var(--muted);padding:0 22px 22px;margin:0}
    .site-footer{position:relative;padding:58px 0 30px;background:rgba(2,7,16,.74);border-top:1px solid rgba(36,228,255,.14);overflow:hidden}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);transition:color .2s ease}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);color:var(--weak);font-size:.9rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .nav-links,.desktop-cta{display:none}
      .mobile-toggle{display:inline-flex}
      .hero-stage,.form-grid,.cta-panel,.story-grid,.updates-layout{grid-template-columns:1fr}
      .hero{padding-top:42px;min-height:auto}
      .hero-copy{min-height:auto;padding:34px}
      .step-ladder{grid-template-columns:repeat(2,1fr)}
      .ladder-card:nth-child(n){transform:none}
      .bubble-wall,.recommend-track{grid-template-columns:1fr 1fr}
    }
    @media (min-width:1025px){
      .mobile-toggle{display:none!important}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1240px)}
      .section-pad{padding:68px 0}
      .hero-copy,.form-card,.cta-panel{padding:24px}
      .burst{position:static;display:inline-flex;margin-bottom:12px;transform:rotate(0)}
      .hero-matrix,.step-ladder,.status-grid,.bubble-wall,.recommend-track,.footer-grid{grid-template-columns:1fr}
      .update-link{grid-template-columns:1fr;gap:6px}
      .btn{width:100%}
      .hero .btn{width:100%}
      .hero-actions{flex-direction:column}
      .timeline-item{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:520px){
      :root{--header-h:68px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-name{font-size:.95rem}
      .hero h1{font-size:2.2rem}
      .section-title{font-size:1.7rem}
      .badge{font-size:.82rem}
      .compare-table{min-width:780px}
    }

/* roulang page: category1 */
:root{
      --bg-deep:#050b18;
      --bg-navy:#081426;
      --bg-panel:rgba(255,255,255,.055);
      --bg-panel-strong:rgba(12,31,58,.72);
      --text-main:#f5f7fb;
      --text-soft:#a9b7d0;
      --text-muted:#6f7e99;
      --line:rgba(255,255,255,.11);
      --line-cyan:rgba(36,228,255,.35);
      --cyan:#24e4ff;
      --blue:#2f80ff;
      --purple:#7c5cff;
      --amber:#f7b955;
      --radius-xl:24px;
      --radius-lg:18px;
      --shadow-glow:0 0 32px rgba(36,228,255,.18),0 18px 60px rgba(0,0,0,.34);
      --shadow-blue:0 18px 48px rgba(47,128,255,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text-main);
      background:
        radial-gradient(circle at 18% 8%,rgba(36,228,255,.16),transparent 32%),
        radial-gradient(circle at 88% 18%,rgba(124,92,255,.20),transparent 34%),
        radial-gradient(circle at 50% 96%,rgba(47,128,255,.12),transparent 36%),
        linear-gradient(180deg,#050b18 0%,#081426 42%,#06101f 100%);
      min-height:100vh;
      line-height:1.7;
      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:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.68),transparent 82%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      left:-10%;
      right:-10%;
      bottom:0;
      height:240px;
      pointer-events:none;
      background:
        linear-gradient(90deg,transparent 0 8%,rgba(36,228,255,.15) 8% 8.4%,transparent 8.4% 16%,rgba(47,128,255,.16) 16% 16.5%,transparent 16.5% 28%,rgba(124,92,255,.12) 28% 28.4%,transparent 28.4%),
        linear-gradient(180deg,transparent,rgba(5,11,24,.92));
      opacity:.6;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img,svg{display:block;max-width:100%}
    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(5,11,24,.74);
      backdrop-filter:blur(20px);
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 40px rgba(0,0,0,.24);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
      position:relative;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      position:relative;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(36,228,255,.24),rgba(47,128,255,.18));
      border:1px solid rgba(36,228,255,.35);
      box-shadow:0 0 24px rgba(36,228,255,.20),inset 0 1px 0 rgba(255,255,255,.18);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      left:9px;
      right:9px;
      height:2px;
      border-radius:99px;
      background:rgba(245,247,251,.78);
    }
    .brand-mark:before{top:14px}
    .brand-mark:after{bottom:14px;width:14px;right:auto}
    .brand-mark span{
      width:9px;
      height:9px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 18px var(--cyan);
      transform:translate(8px,4px);
    }
    .brand-name{
      font-weight:900;
      letter-spacing:.01em;
      font-size:18px;
      color:#fff;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:9px 15px;
      color:var(--text-soft);
      font-weight:700;
      transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(36,228,255,.22),rgba(47,128,255,.22));
      border:1px solid rgba(36,228,255,.24);
      box-shadow:0 0 22px rgba(36,228,255,.12);
    }
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:11px 19px;
      font-weight:900;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.99)}
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:3px solid rgba(36,228,255,.38);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(90deg,var(--cyan),var(--blue));
      box-shadow:0 14px 34px rgba(36,228,255,.20),0 0 0 1px rgba(255,255,255,.12) inset;
    }
    .btn-primary:hover{
      filter:brightness(1.08);
      box-shadow:0 18px 46px rgba(36,228,255,.34),0 0 34px rgba(47,128,255,.18);
    }
    .btn-secondary{
      color:#d9f8ff;
      background:rgba(255,255,255,.055);
      border-color:rgba(36,228,255,.26);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
    }
    .btn-secondary:hover{
      background:rgba(36,228,255,.10);
      border-color:rgba(36,228,255,.48);
      box-shadow:0 16px 34px rgba(36,228,255,.12);
    }
    .desktop-cta{margin-left:8px}
    .mobile-toggle{display:none;margin-left:auto}
    .mobile-menu{
      display:none;
      position:absolute;
      top:calc(100% + 12px);
      left:0;
      right:0;
      padding:16px;
      border-radius:24px;
      background:rgba(7,18,35,.92);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-glow);
      backdrop-filter:blur(20px);
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .glass-card{
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.04));
      border:1px solid var(--line);
      box-shadow:var(--shadow-glow);
      backdrop-filter:blur(22px);
      border-radius:var(--radius-xl);
      position:relative;
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:linear-gradient(135deg,rgba(255,255,255,.16),transparent 28%,transparent 70%,rgba(36,228,255,.08));
      opacity:.76;
    }
    .hover-lift{
      transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
    }
    .hover-lift:hover{
      transform:translateY(-4px);
      border-color:rgba(36,228,255,.40);
      background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.052));
      box-shadow:0 22px 70px rgba(36,228,255,.16),0 18px 58px rgba(0,0,0,.32);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 11px;
      color:#c9f8ff;
      background:rgba(36,228,255,.10);
      border:1px solid rgba(36,228,255,.24);
      font-size:13px;
      font-weight:800;
      line-height:1.2;
      white-space:nowrap;
    }
    .badge.amber{
      color:#ffe7b5;
      background:rgba(247,185,85,.12);
      border-color:rgba(247,185,85,.30);
    }
    .badge.purple{
      color:#e3ddff;
      background:rgba(124,92,255,.14);
      border-color:rgba(124,92,255,.34);
    }
    .page-hero{
      padding:86px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 72% 18%,rgba(36,228,255,.18),transparent 32%),
        linear-gradient(90deg,rgba(36,228,255,.055) 1px,transparent 1px);
      background-size:auto,68px 100%;
      opacity:.86;
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      padding:34px;
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(8,20,38,.82),rgba(11,31,58,.58)),
        radial-gradient(circle at 86% 12%,rgba(36,228,255,.20),transparent 32%);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 90px rgba(0,0,0,.36),0 0 44px rgba(47,128,255,.11);
      overflow:hidden;
      backdrop-filter:blur(22px);
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-100px;
      width:320px;
      height:220px;
      background:radial-gradient(circle,rgba(36,228,255,.28),transparent 68%);
      opacity:.76;
      pointer-events:none;
    }
    .hero-title{
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .hero-copy{
      color:var(--text-soft);
      font-size:17px;
      line-height:1.85;
      max-width:760px;
    }
    .quick-matrix{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
    }
    .quick-item{
      border-radius:20px;
      padding:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      min-height:114px;
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .quick-item:hover{
      transform:translateY(-3px);
      border-color:rgba(36,228,255,.34);
      background:rgba(36,228,255,.075);
    }
    .filter-shell{
      display:grid;
      grid-template-columns:300px minmax(0,1fr);
      gap:22px;
      align-items:start;
    }
    .side-filter{
      position:sticky;
      top:96px;
      padding:22px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .filter-chip{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:7px;
      border-radius:999px;
      padding:8px 13px;
      color:var(--text-soft);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.11);
      font-size:14px;
      font-weight:800;
      transition:all .22s ease;
    }
    .filter-chip:hover{
      color:#fff;
      border-color:rgba(36,228,255,.35);
      background:rgba(36,228,255,.09);
    }
    .filter-chip.active{
      color:#fff;
      background:linear-gradient(90deg,rgba(36,228,255,.82),rgba(47,128,255,.82));
      border-color:rgba(255,255,255,.20);
      box-shadow:0 12px 32px rgba(36,228,255,.16);
    }
    .search-box{
      position:relative;
    }
    .search-box input,.form-field input,.form-field select,.form-field textarea{
      width:100%;
      color:#fff;
      background:rgba(2,8,18,.48);
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      padding:14px 15px;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .search-box input::placeholder,.form-field input::placeholder,.form-field textarea::placeholder{color:#7586a2}
    .search-box input:focus,.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
      border-color:rgba(36,228,255,.52);
      box-shadow:0 0 0 4px rgba(36,228,255,.11),0 0 28px rgba(36,228,255,.10);
      background:rgba(2,8,18,.66);
      outline:none;
    }
    .content-stack{
      display:grid;
      gap:18px;
    }
    .feature-strip{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .info-card{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(135deg,rgba(255,255,255,.072),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.11);
      box-shadow:0 14px 44px rgba(0,0,0,.24);
      backdrop-filter:blur(18px);
      overflow:hidden;
      position:relative;
    }
    .info-card:after{
      content:"";
      position:absolute;
      width:120px;
      height:120px;
      right:-54px;
      top:-54px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(36,228,255,.19),transparent 70%);
      pointer-events:none;
    }
    .info-card.wide{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:18px;
      align-items:center;
    }
    .code-index{
      width:54px;
      height:54px;
      border-radius:19px;
      display:grid;
      place-items:center;
      color:#d8fbff;
      font-weight:950;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      background:rgba(36,228,255,.11);
      border:1px solid rgba(36,228,255,.28);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 0 22px rgba(36,228,255,.12);
      flex:none;
    }
    .timeline-list{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:12px;
      padding:15px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
    }
    .dot{
      width:12px;
      height:12px;
      margin-top:8px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 18px var(--cyan);
    }
    .cta-insert{
      padding:28px;
      border-radius:30px;
      background:
        radial-gradient(circle at 12% 20%,rgba(36,228,255,.20),transparent 28%),
        radial-gradient(circle at 88% 60%,rgba(124,92,255,.22),transparent 30%),
        linear-gradient(135deg,rgba(11,31,58,.82),rgba(5,11,24,.86));
      border:1px solid rgba(36,228,255,.24);
      box-shadow:0 24px 72px rgba(36,228,255,.14);
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
    }
    .step-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .step-card{
      padding:22px;
      min-height:180px;
    }
    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:14px;
      background:rgba(36,228,255,.12);
      border:1px solid rgba(36,228,255,.28);
      color:#d8fbff;
      font-weight:950;
      margin-bottom:18px;
    }
    .consult-panel{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
      align-items:start;
    }
    .form-card{padding:28px}
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .form-field label{
      display:block;
      color:#d8e5f8;
      font-weight:850;
      margin-bottom:8px;
      font-size:14px;
    }
    .form-field textarea{min-height:132px;resize:vertical}
    .form-field.full{grid-column:1/-1}
    .hint-text{
      color:var(--text-muted);
      font-size:13px;
      line-height:1.6;
    }
    .pagination{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      margin-top:26px;
    }
    .page-btn{
      min-width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--text-soft);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      font-weight:900;
      transition:all .22s ease;
    }
    .page-btn:hover,.page-btn.current{
      color:#fff;
      border-color:rgba(36,228,255,.38);
      background:rgba(36,228,255,.14);
      box-shadow:0 0 24px rgba(36,228,255,.14);
    }
    .faq-wrap{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:22px;
      padding:0;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.11);
      overflow:hidden;
      transition:border-color .22s ease,background .22s ease;
    }
    details.faq-item[open]{
      border-color:rgba(36,228,255,.38);
      background:rgba(36,228,255,.07);
      box-shadow:0 16px 38px rgba(36,228,255,.08);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#fff;
      font-weight:900;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(36,228,255,.12);
      border:1px solid rgba(36,228,255,.26);
      color:#c9f8ff;
      flex:none;
      transition:transform .22s ease;
    }
    .faq-item[open] summary:after{
      content:"−";
      transform:rotate(180deg);
    }
    .faq-answer{
      color:var(--text-soft);
      padding:0 22px 20px;
    }
    .site-footer{
      padding:64px 0 30px;
      background:
        linear-gradient(180deg,rgba(5,11,24,.25),rgba(3,8,18,.96)),
        radial-gradient(circle at 80% 20%,rgba(36,228,255,.10),transparent 32%);
      border-top:1px solid rgba(36,228,255,.16);
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--text-soft);
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--text-muted);
      font-size:14px;
    }
    .divider-line{
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(36,228,255,.32),transparent);
      margin:12px 0;
    }
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px,var(--container))}
      .desktop-cta,.nav-links{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-menu.open{display:block}
      .filter-shell,.consult-panel,.feature-strip{grid-template-columns:1fr}
      .side-filter{position:relative;top:auto}
      .quick-matrix,.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .info-card.wide{grid-template-columns:auto 1fr}
      .info-card.wide .btn{grid-column:1/-1;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .nav-wrap{min-height:68px}
      .brand-name{font-size:16px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .page-hero{padding:58px 0 30px}
      .hero-panel{padding:24px;border-radius:26px}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .quick-matrix,.step-grid,.form-grid{grid-template-columns:1fr}
      .cta-insert{grid-template-columns:1fr}
      .cta-insert .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px,var(--container))}
      .mobile-menu{top:calc(100% + 8px)}
      .hero-panel{padding:20px}
      .badge{white-space:normal}
      .tag-row{gap:8px}
      .filter-chip{width:100%;justify-content:flex-start}
      .info-card{padding:20px}
      .info-card.wide{grid-template-columns:1fr}
      .code-index{width:48px;height:48px}
      .btn{width:100%;padding-inline:16px}
      .pagination{flex-wrap:wrap}
    }