/* roulang page: index */
:root{
      --bg:#070B18;
      --bg-2:#0D1530;
      --bg-3:#111A38;
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.105);
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(45,226,255,.35);
      --text:#F4F7FF;
      --muted:#AAB6D3;
      --weak:#6F7D9D;
      --cyan:#2DE2FF;
      --purple:#8A5CFF;
      --amber:#FFB86B;
      --rose:#FF4FA3;
      --safe:#48E0B5;
      --shadow:0 18px 60px rgba(0,0,0,.35);
      --glow:0 0 36px rgba(45,226,255,.16);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --nav-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(45,226,255,.20), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(138,92,255,.22), transparent 32%),
        radial-gradient(circle at 54% 100%, rgba(17,26,56,.9), transparent 45%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
      z-index:-2;
    }

    body::after{
      content:"";
      position:fixed;
      width:520px;
      height:520px;
      right:-180px;
      top:210px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(255,79,163,.13), transparent 66%);
      filter:blur(6px);
      z-index:-1;
      pointer-events:none;
      animation:floatGlow 12s var(--ease) infinite alternate;
    }

    @keyframes floatGlow{
      from{transform:translate3d(0,0,0) scale(1)}
      to{transform:translate3d(-32px,42px,0) scale(1.08)}
    }

    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit;color:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(45,226,255,.25);color:#fff}

    .container{
      width:min(100% - 48px, var(--container));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      background:rgba(7,11,24,.74);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 14px 34px rgba(0,0,0,.18);
    }

    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }

    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:16px;
      background:
        radial-gradient(circle at 28% 24%, rgba(255,255,255,.9), transparent 12%),
        linear-gradient(135deg, var(--cyan), var(--purple) 62%, var(--rose));
      box-shadow:0 0 28px rgba(45,226,255,.25);
      position:relative;
      overflow:hidden;
    }

    .brand-mark::after{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(255,255,255,.55);
      border-radius:12px;
      background:rgba(7,11,24,.12);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.15;
    }

    .brand-title{
      font-size:16px;
      font-weight:800;
      letter-spacing:-.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:310px;
    }

    .brand-sub{
      margin-top:5px;
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:310px;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.04);
    }

    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
      white-space:nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.07);
      outline:none;
    }

    .nav-links a.active{
      color:#06101D;
      background:linear-gradient(135deg, var(--cyan), #B2F4FF);
      box-shadow:0 0 24px rgba(45,226,255,.22);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }

    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,184,107,.25);
      background:rgba(255,184,107,.09);
      color:#FFE0B8;
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }

    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 0 rgba(45,226,255,.6);
      animation:pulse 1.8s infinite;
    }

    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(45,226,255,.56)}
      70%{box-shadow:0 0 0 8px rgba(45,226,255,0)}
      100%{box-shadow:0 0 0 0 rgba(45,226,255,0)}
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
      white-space:nowrap;
      user-select:none;
    }

    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow:0 12px 34px rgba(45,226,255,.20), 0 8px 28px rgba(138,92,255,.18);
    }

    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 42px rgba(45,226,255,.28), 0 12px 34px rgba(138,92,255,.24)}
    .btn-secondary{
      color:var(--text);
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(14px);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(45,226,255,.08);box-shadow:var(--glow)}
    .btn-amber{
      color:#221407;
      background:linear-gradient(135deg, var(--amber), #FFE0B4);
      box-shadow:0 10px 30px rgba(255,184,107,.18);
    }
    .btn:focus-visible,.menu-toggle:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(45,226,255,.45);outline-offset:3px}

    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.06);
      color:var(--text);
    }

    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:5px auto;
      border-radius:99px;
      background:var(--text);
      transition:.25s var(--ease);
    }

    main{position:relative}

    .hero{
      padding:78px 0 72px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);
      gap:56px;
      align-items:center;
    }

    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(45,226,255,.22);
      background:rgba(45,226,255,.08);
      color:#BDF7FF;
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      font-weight:750;
    }

    .eyebrow .lock{
      width:18px;
      height:18px;
      display:inline-grid;
      place-items:center;
      border-radius:50%;
      background:rgba(138,92,255,.25);
      color:#fff;
      font-size:11px;
    }

    h1,h2,h3,p{margin-top:0}
    .hero h1{
      margin:22px 0 18px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.05em;
      max-width:760px;
    }

    .gradient-text{
      background:linear-gradient(135deg,#fff 5%, #C9F8FF 38%, #BDAEFF 78%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .hero-lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.9;
      max-width:660px;
      margin-bottom:28px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:32px;
    }

    .trust-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
      max-width:760px;
    }

    .trust-item{
      padding:14px 14px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
      color:var(--muted);
      font-size:14px;
    }

    .trust-item strong{
      display:block;
      color:var(--text);
      font-size:16px;
      margin-bottom:2px;
    }

    .hero-panel{
      position:relative;
      border:1px solid rgba(255,255,255,.12);
      border-radius:32px;
      padding:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.105), rgba(255,255,255,.045)),
        radial-gradient(circle at 80% 16%, rgba(138,92,255,.28), transparent 38%);
      box-shadow:var(--shadow), var(--glow);
      backdrop-filter:blur(16px);
      overflow:hidden;
    }

    .hero-panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:inherit;
      background:linear-gradient(135deg, rgba(45,226,255,.35), transparent 32%, rgba(138,92,255,.25) 75%, transparent);
      opacity:.55;
      pointer-events:none;
      mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      padding:1px;
      -webkit-mask-composite:xor;
      mask-composite:exclude;
    }

    .panel-top{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      margin-bottom:18px;
    }

    .panel-title{font-weight:850;font-size:18px}
    .panel-sub{font-size:13px;color:var(--weak)}
    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:#FFF0DC;
      background:rgba(255,184,107,.12);
      border:1px solid rgba(255,184,107,.25);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }

    .device-card{
      border:1px solid var(--line);
      border-radius:24px;
      padding:18px;
      background:rgba(7,11,24,.55);
      margin-bottom:14px;
    }

    .device-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .device-row:last-child{border-bottom:0}
    .device-row span{color:var(--muted);font-size:14px}
    .meter{
      width:118px;
      height:9px;
      border-radius:99px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .meter i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:0 0 18px rgba(45,226,255,.35);
    }

    .floating-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      padding:8px 11px;
      font-size:13px;
      font-weight:650;
    }

    .section{
      padding:86px 0;
    }

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

    .section-kicker{
      color:var(--cyan);
      font-size:13px;
      font-weight:850;
      letter-spacing:.04em;
      margin-bottom:8px;
    }

    .section-title{
      margin:0;
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.25;
      letter-spacing:-.035em;
    }

    .section-desc{
      color:var(--muted);
      max-width:520px;
      margin:0;
      font-size:16px;
    }

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

    .glass-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg, var(--card-strong), rgba(255,255,255,.045));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
    }

    .glass-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow), var(--glow);
      background:linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
    }

    .pain-feature{
      padding:30px;
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 8% 10%, rgba(45,226,255,.16), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
    }

    .pain-feature h3{font-size:25px;margin-bottom:12px}
    .pain-feature p{color:var(--muted);margin-bottom:22px}
    .signal-box{
      display:grid;
      gap:12px;
      margin-top:auto;
    }
    .signal{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:13px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(7,11,24,.38);
    }
    .signal b{font-size:14px}
    .signal span{color:var(--weak);font-size:13px}

    .pain-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }

    .pain-item{
      padding:22px;
      border-radius:22px;
    }

    .icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(45,226,255,.16), rgba(138,92,255,.18));
      border:1px solid rgba(255,255,255,.10);
      margin-bottom:14px;
      font-size:20px;
    }
    .pain-item h3{font-size:19px;margin-bottom:8px}
    .pain-item p{color:var(--muted);font-size:15px;margin:0}

    .solution{
      position:relative;
    }
    .path{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      position:relative;
    }
    .path::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:38px;
      height:2px;
      background:linear-gradient(90deg, transparent, rgba(45,226,255,.45), rgba(138,92,255,.45), transparent);
      z-index:0;
    }
    .step{
      position:relative;
      z-index:1;
      padding:22px 18px;
      text-align:center;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(13,21,48,.72);
      backdrop-filter:blur(16px);
      transition:.25s var(--ease);
    }
    .step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
    .step-num{
      width:34px;
      height:34px;
      margin:0 auto 14px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      color:#fff;
      font-weight:900;
      box-shadow:0 0 22px rgba(45,226,255,.22);
    }
    .step h3{font-size:17px;margin-bottom:7px}
    .step p{font-size:14px;color:var(--muted);margin:0}

    .category-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
      align-items:stretch;
    }
    .category-main{
      padding:30px;
      min-height:390px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 78% 18%, rgba(45,226,255,.18), transparent 28%),
        linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.045));
    }
    .category-main h3{font-size:29px;line-height:1.28;margin-bottom:12px}
    .category-main p{color:var(--muted);max-width:590px}
    .category-side{
      display:grid;
      gap:18px;
    }
    .category-mini{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:186px;
    }
    .category-mini h3{font-size:21px;margin-bottom:8px}
    .category-mini p{color:var(--muted);font-size:15px;margin-bottom:18px}
    .category-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin:18px 0 24px;
    }
    .abstract-thumb{
      height:138px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(circle at 20% 25%, rgba(45,226,255,.45), transparent 25%),
        radial-gradient(circle at 82% 46%, rgba(138,92,255,.48), transparent 32%),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
      position:relative;
      overflow:hidden;
      margin-bottom:22px;
    }
    .abstract-thumb::after{
      content:"";
      position:absolute;
      inset:22px;
      border-radius:20px;
      border:1px dashed rgba(255,255,255,.24);
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent);
    }

    .metrics-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:20px;
      align-items:stretch;
    }

    .metric-hub{
      padding:28px;
      display:grid;
      place-items:center;
      text-align:center;
      background:
        radial-gradient(circle, rgba(45,226,255,.18), transparent 58%),
        rgba(255,255,255,.06);
    }
    .metric-number{
      font-size:70px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
      background:linear-gradient(135deg,var(--cyan),#fff,var(--purple));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      margin-bottom:10px;
    }
    .metric-hub p{color:var(--muted);margin:0}
    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .metric-card{
      padding:23px;
      border-radius:22px;
    }
    .metric-card strong{display:block;font-size:24px;margin-bottom:8px}
    .metric-card span{color:var(--muted);font-size:15px}

    .feedback-row{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:16px;
      align-items:stretch;
    }
    .feedback{
      padding:24px;
      border-radius:24px;
    }
    .feedback:nth-child(2){transform:translateY(22px)}
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#07111e;
      background:linear-gradient(135deg,var(--cyan),#D8FBFF);
      margin-bottom:16px;
    }
    .feedback p{color:var(--muted);margin-bottom:18px}
    .feedback b{display:block}
    .feedback small{color:var(--weak)}

    .faq-grid{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:22px;
      align-items:start;
    }
    .faq-note{
      padding:28px;
      position:sticky;
      top:calc(var(--nav-h) + 22px);
    }
    .faq-note p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:border-color .25s var(--ease), background .25s var(--ease);
    }
    .faq-item:hover{border-color:rgba(45,226,255,.26);background:rgba(255,255,255,.075)}
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px;
      color:var(--text);
      font-weight:850;
      text-align:left;
    }
    .faq-arrow{
      width:28px;
      height:28px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(45,226,255,.10);
      color:var(--cyan);
      transition:transform .25s var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-arrow{transform:rotate(45deg)}

    .cta-band{
      padding:30px;
      border-radius:32px;
      border:1px solid rgba(45,226,255,.20);
      background:
        radial-gradient(circle at 18% 30%, rgba(45,226,255,.20), transparent 34%),
        radial-gradient(circle at 86% 50%, rgba(138,92,255,.20), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.105), rgba(255,255,255,.045));
      box-shadow:var(--shadow), var(--glow);
      overflow:hidden;
      position:relative;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.045), transparent);
      transform:skewX(-18deg) translateX(-80%);
      animation:shine 7s infinite;
      pointer-events:none;
    }
    @keyframes shine{
      0%,55%{transform:skewX(-18deg) translateX(-90%)}
      100%{transform:skewX(-18deg) translateX(120%)}
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-content h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin-bottom:10px}
    .cta-content p{color:var(--muted);margin:0;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    .site-footer{
      margin-top:88px;
      padding:56px 0 28px;
      border-top:1px solid var(--line);
      background:rgba(5,8,18,.55);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .9fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:16px;
    }
    .footer-title{font-weight:900;font-size:17px}
    .footer-text{color:var(--muted);margin:0;max-width:430px}
    .footer-col h3{
      font-size:15px;
      margin-bottom:13px;
      color:#fff;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .25s var(--ease);
    }
    .footer-links a:hover{color:var(--cyan)}
    .compliance{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,184,107,.20);
      background:rgba(255,184,107,.07);
      color:#FFE1BB;
      font-size:14px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--weak);
      font-size:13px;
    }

    @media (prefers-reduced-motion: reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }

    @media (max-width:1100px){
      .nav-links{position:fixed;left:24px;right:24px;top:calc(var(--nav-h) + 12px);display:none;flex-direction:column;align-items:stretch;border-radius:24px;padding:14px;background:rgba(13,21,48,.96);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
      .nav-links.open{display:flex}
      .nav-links a{height:46px;justify-content:flex-start}
      .menu-toggle{display:block}
      .nav-actions .status-pill{display:none}
      .hero-grid{grid-template-columns:1fr;gap:34px}
      .hero-panel{max-width:720px}
      .path{grid-template-columns:1fr 1fr}
      .path::before{display:none}
      .path .step:last-child{grid-column:1/-1}
      .feedback-row{grid-template-columns:1fr 1fr}
      .feedback:nth-child(2){transform:none}
      .feedback:last-child{grid-column:1/-1}
    }

    @media (max-width:900px){
      .container{width:min(100% - 36px, var(--container))}
      .section{padding:64px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .pain-layout,.category-layout,.metrics-wrap,.faq-grid,.cta-content,.footer-grid{grid-template-columns:1fr}
      .faq-note{position:static}
      .trust-strip{grid-template-columns:1fr 1fr}
      .metric-grid{grid-template-columns:1fr 1fr}
      .cta-actions{justify-content:flex-start}
    }

    @media (max-width:640px){
      :root{--nav-h:68px}
      .container{width:min(100% - 28px, var(--container))}
      .brand-title{max-width:210px;font-size:14px}
      .brand-sub{max-width:210px}
      .nav-actions .btn{display:none}
      .hero{padding:52px 0 48px}
      .hero-lead{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%;min-height:48px}
      .trust-strip,.pain-list,.metric-grid,.feedback-row,.path{grid-template-columns:1fr}
      .panel-top{align-items:flex-start;flex-direction:column}
      .device-row{grid-template-columns:1fr}
      .meter{width:100%}
      .category-main,.pain-feature,.cta-band{padding:22px}
      .feedback:last-child{grid-column:auto}
      .metric-number{font-size:56px}
      .footer-grid{gap:26px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

    @media (max-width:420px){
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-title{max-width:170px}
      .hero h1{font-size:31px}
      .section-title{font-size:25px}
      .tag{font-size:12px}
      .hero-panel{padding:16px;border-radius:24px}
      .glass-card{border-radius:20px}
    }

/* roulang page: category1 */
:root{
      --bg:#070B18;
      --bg-2:#0D1530;
      --bg-3:#111A38;
      --panel:rgba(255,255,255,.07);
      --panel-strong:rgba(255,255,255,.10);
      --border:rgba(255,255,255,.10);
      --border-hover:rgba(45,226,255,.36);
      --text:#F4F7FF;
      --muted:#AAB6D3;
      --weak:#6F7D9D;
      --cyan:#2DE2FF;
      --purple:#8A5CFF;
      --amber:#FFB86B;
      --rose:#FF4FA3;
      --success:#46E6BE;
      --shadow:0 18px 60px rgba(0,0,0,.36);
      --glow:0 0 34px rgba(45,226,255,.16);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%,rgba(45,226,255,.18),transparent 30%),
        radial-gradient(circle at 88% 18%,rgba(138,92,255,.22),transparent 34%),
        radial-gradient(circle at 48% 98%,rgba(17,26,56,.95),transparent 48%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      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:46px 46px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 82%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(45,226,255,.28);color:var(--text)}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:92px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(45,226,255,.85);
      animation:pulse 1.8s infinite;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head h2{
      font-size:clamp(26px,3vw,38px);
      line-height:1.2;
      letter-spacing:-.03em;
      margin-top:14px;
    }
    .section-head p{
      max-width:560px;
      color:var(--muted);
      font-size:16px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,11,24,.72);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      max-width:330px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:15px;
      background:
        linear-gradient(135deg,rgba(45,226,255,.95),rgba(138,92,255,.9)),
        radial-gradient(circle at 70% 20%,rgba(255,255,255,.9),transparent 28%);
      box-shadow:0 0 28px rgba(45,226,255,.24);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:11px;
      border:1px solid rgba(255,255,255,.62);
      border-radius:10px;
    }
    .brand-name{
      font-weight:800;
      font-size:15px;
      line-height:1.25;
      letter-spacing:-.02em;
      white-space:normal;
    }
    .brand-sub{
      color:var(--weak);
      font-size:12px;
      margin-top:2px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:7px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
      border-radius:999px;
    }
    .nav-links a{
      position:relative;
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(255,255,255,.08);
    }
    .nav-links a.active{
      color:var(--text);
      background:linear-gradient(135deg,rgba(45,226,255,.22),rgba(138,92,255,.22));
      box-shadow:inset 0 0 0 1px rgba(45,226,255,.24),0 0 20px rgba(45,226,255,.10);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,184,107,.26);
      background:rgba(255,184,107,.08);
      color:#FFD6A2;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .status-pill .dot{
      width:8px;height:8px;border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 14px rgba(255,184,107,.8);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 19px;
      border-radius:999px;
      font-size:15px;
      font-weight:800;
      transition:var(--ease);
      border:1px solid transparent;
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 14px 34px rgba(45,226,255,.16),0 0 26px rgba(138,92,255,.16);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 44px rgba(45,226,255,.24)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border-color:var(--border);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--border-hover);background:rgba(45,226,255,.08)}
    .btn-amber{
      color:#201405;
      background:linear-gradient(135deg,#FFD39A,var(--amber));
      box-shadow:0 14px 30px rgba(255,184,107,.14);
    }
    .btn:focus-visible,.nav-links a:focus-visible,.mobile-toggle:focus-visible,.filter-chip:focus-visible,.faq-item:focus-within{
      outline:3px solid rgba(45,226,255,.38);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--border);
      color:var(--text);
    }
    .mobile-toggle span{
      display:block;
      width:18px;
      height:2px;
      background:var(--text);
      margin:4px auto;
      border-radius:99px;
    }

    .hero{
      position:relative;
      padding:86px 0 58px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:42px;
      align-items:center;
    }
    .hero h1{
      font-size:clamp(32px,5vw,56px);
      line-height:1.13;
      letter-spacing:-.055em;
      margin:18px 0 18px;
    }
    .hero h1 span{
      background:linear-gradient(135deg,#fff 20%,var(--cyan),#BBA7FF);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      color:var(--muted);
      font-size:18px;
      max-width:690px;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 30px}
    .hero-note{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
    }
    .hero-note span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      border-radius:999px;
    }
    .hero-note b{
      width:7px;height:7px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 12px rgba(70,230,190,.75);
    }
    .library-visual{
      position:relative;
      min-height:500px;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045)),
        radial-gradient(circle at 30% 15%,rgba(45,226,255,.15),transparent 34%),
        radial-gradient(circle at 80% 75%,rgba(138,92,255,.18),transparent 42%);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
      padding:22px;
    }
    .library-visual::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:linear-gradient(120deg,transparent,rgba(45,226,255,.18),transparent 58%);
      transform:translateX(-60%);
      animation:sweep 6s linear infinite;
    }
    .visual-top,.visual-main,.visual-row,.visual-card,.floating-card{position:relative;z-index:1}
    .visual-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:22px;
    }
    .window-dots{display:flex;gap:7px}
    .window-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.24)}
    .visual-status{
      color:var(--cyan);
      font-size:13px;
      font-weight:800;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(45,226,255,.24);
      background:rgba(45,226,255,.075);
    }
    .visual-main{
      border-radius:24px;
      background:rgba(7,11,24,.42);
      border:1px solid rgba(255,255,255,.11);
      padding:22px;
    }
    .visual-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:18px;
    }
    .visual-title strong{font-size:18px}
    .visual-title span{font-size:12px;color:var(--weak)}
    .visual-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-bottom:12px;
    }
    .visual-card{
      min-height:112px;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
    }
    .visual-card .icon{
      width:34px;height:34px;
      display:grid;place-items:center;
      border-radius:12px;
      margin-bottom:12px;
      background:linear-gradient(135deg,rgba(45,226,255,.22),rgba(138,92,255,.18));
    }
    .visual-card p{color:var(--muted);font-size:13px;line-height:1.6}
    .signal-bars{display:flex;align-items:flex-end;gap:7px;height:78px;margin-top:24px}
    .signal-bars i{
      flex:1;border-radius:999px 999px 5px 5px;
      background:linear-gradient(to top,var(--cyan),rgba(138,92,255,.28));
      opacity:.75;
    }
    .signal-bars i:nth-child(1){height:38%}
    .signal-bars i:nth-child(2){height:62%}
    .signal-bars i:nth-child(3){height:48%}
    .signal-bars i:nth-child(4){height:86%}
    .signal-bars i:nth-child(5){height:70%}
    .floating-card{
      position:absolute;
      right:20px;
      bottom:24px;
      width:min(300px,calc(100% - 40px));
      border-radius:22px;
      border:1px solid rgba(255,184,107,.24);
      background:rgba(13,21,48,.76);
      backdrop-filter:blur(16px);
      padding:17px;
      box-shadow:0 18px 48px rgba(0,0,0,.28);
    }
    .floating-card strong{display:block;margin-bottom:8px}
    .floating-card p{color:var(--muted);font-size:13px;line-height:1.65}

    .glass-card{
      background:linear-gradient(180deg,var(--panel-strong),rgba(255,255,255,.045));
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      transition:var(--ease);
    }
    .glass-card:hover{
      border-color:var(--border-hover);
      transform:translateY(-3px);
      box-shadow:var(--shadow),0 0 34px rgba(45,226,255,.10);
    }
    .intro-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
      align-items:stretch;
    }
    .intro-panel{padding:30px}
    .intro-panel h2{font-size:clamp(25px,3vw,36px);line-height:1.25;margin:12px 0 12px}
    .intro-panel p{color:var(--muted)}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--border);
      color:var(--muted);
      background:rgba(255,255,255,.055);
      font-size:13px;
      font-weight:700;
    }
    .tag.hot{border-color:rgba(255,184,107,.28);color:#FFD6A2;background:rgba(255,184,107,.08)}
    .layers{
      display:grid;
      gap:14px;
      padding:18px;
    }
    .layer-item{
      display:grid;
      grid-template-columns:58px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(7,11,24,.36);
    }
    .layer-num{
      width:46px;height:46px;
      display:grid;place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,rgba(45,226,255,.9),rgba(138,92,255,.88));
    }
    .layer-item h3{font-size:18px;margin-bottom:3px}
    .layer-item p{color:var(--muted);font-size:14px}
    .layer-state{
      color:var(--success);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }

    .zone-layout{
      display:grid;
      grid-template-columns:280px 1fr;
      gap:24px;
      align-items:start;
    }
    .filter-panel{
      position:sticky;
      top:98px;
      padding:22px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.065);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .filter-panel h3{font-size:19px;margin-bottom:8px}
    .filter-panel p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .filter-stack{display:grid;gap:10px}
    .filter-chip{
      width:100%;
      text-align:left;
      padding:12px 13px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(7,11,24,.34);
      color:var(--muted);
      font-weight:800;
      transition:var(--ease);
    }
    .filter-chip:hover,.filter-chip.active{
      color:var(--text);
      border-color:rgba(45,226,255,.30);
      background:rgba(45,226,255,.09);
      transform:translateX(3px);
    }
    .filter-note{
      margin-top:18px;
      padding:14px;
      border-left:3px solid var(--amber);
      border-radius:14px;
      background:rgba(255,184,107,.075);
      color:#FFD8A6;
      font-size:13px;
    }
    .zone-list{display:grid;gap:16px}
    .zone-card{
      display:grid;
      grid-template-columns:168px 1fr auto;
      gap:20px;
      align-items:center;
      padding:18px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      border:1px solid var(--border);
      transition:var(--ease);
    }
    .zone-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-hover);
      background:linear-gradient(135deg,rgba(45,226,255,.10),rgba(138,92,255,.08));
    }
    .thumb{
      height:116px;
      border-radius:20px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 35% 28%,rgba(45,226,255,.56),transparent 28%),
        radial-gradient(circle at 70% 78%,rgba(255,79,163,.38),transparent 34%),
        linear-gradient(135deg,rgba(138,92,255,.45),rgba(13,21,48,.86));
      border:1px solid rgba(255,255,255,.12);
    }
    .thumb::before{
      content:"";
      position:absolute;
      inset:22px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:16px;
    }
    .thumb::after{
      content:"🔒";
      position:absolute;
      left:50%;top:50%;
      transform:translate(-50%,-50%);
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius:15px;
      background:rgba(7,11,24,.42);
      box-shadow:0 0 24px rgba(45,226,255,.18);
    }
    .zone-copy h3{font-size:21px;margin-bottom:6px}
    .zone-copy p{color:var(--muted);font-size:15px;max-width:560px}
    .zone-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .mini-badge{
      padding:5px 9px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.05);
      font-size:12px;
      font-weight:800;
    }
    .mini-badge.live{color:#B9FFF0;border-color:rgba(70,230,190,.28);background:rgba(70,230,190,.08)}
    .zone-action{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
    .state-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--cyan);
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .state-badge::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px rgba(45,226,255,.7);
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      position:relative;
    }
    .step-card{
      position:relative;
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:rgba(255,255,255,.06);
      min-height:210px;
      overflow:hidden;
    }
    .step-card::after{
      content:"";
      position:absolute;
      right:-30px;
      top:-30px;
      width:100px;height:100px;
      border-radius:50%;
      background:rgba(45,226,255,.08);
      filter:blur(2px);
    }
    .step-index{
      width:40px;height:40px;
      display:grid;place-items:center;
      border-radius:14px;
      background:rgba(45,226,255,.10);
      color:var(--cyan);
      border:1px solid rgba(45,226,255,.22);
      font-weight:900;
      margin-bottom:18px;
    }
    .step-card h3{font-size:19px;margin-bottom:8px}
    .step-card p{color:var(--muted);font-size:14px}

    .compare-band{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .compare-card{
      padding:30px;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
    }
    .compare-card.highlight{
      background:
        radial-gradient(circle at 80% 20%,rgba(45,226,255,.13),transparent 32%),
        linear-gradient(180deg,rgba(45,226,255,.08),rgba(138,92,255,.06));
      border-color:rgba(45,226,255,.22);
      box-shadow:var(--glow);
    }
    .compare-card h3{font-size:23px;margin-bottom:16px}
    .check-list{list-style:none;display:grid;gap:13px}
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      align-items:flex-start;
    }
    .check-list li::before{
      content:"";
      flex:0 0 auto;
      width:18px;height:18px;
      margin-top:4px;
      border-radius:50%;
      background:rgba(45,226,255,.14);
      border:1px solid rgba(45,226,255,.30);
      box-shadow:inset 0 0 0 5px rgba(45,226,255,.08);
    }
    .highlight .check-list li::before{background:rgba(70,230,190,.14);border-color:rgba(70,230,190,.35)}

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      padding:22px;
      border-radius:var(--radius-md);
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      transition:var(--ease);
    }
    .faq-item:hover{
      border-color:var(--border-hover);
      background:rgba(45,226,255,.06);
    }
    .faq-item h3{font-size:18px;margin-bottom:8px}
    .faq-item p{color:var(--muted);font-size:14px}

    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:42px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(45,226,255,.20);
      background:
        radial-gradient(circle at 15% 20%,rgba(45,226,255,.18),transparent 34%),
        radial-gradient(circle at 86% 55%,rgba(138,92,255,.22),transparent 36%),
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.05));
      box-shadow:var(--shadow),var(--glow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-panel h2{font-size:clamp(26px,3vw,38px);line-height:1.2;margin-bottom:10px}
    .cta-panel p{color:var(--muted);max-width:700px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta-status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:#FFD6A2;
      font-size:13px;
      font-weight:800;
    }

    .site-footer{
      border-top:1px solid var(--border);
      background:rgba(7,11,24,.76);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .75fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
    }
    .footer-title{
      font-weight:900;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .footer-text,.compliance{
      color:var(--muted);
      font-size:14px;
      max-width:460px;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:12px;
    }
    .footer-links{
      list-style:none;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      transition:var(--ease);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--cyan);
      padding-left:4px;
    }
    .compliance{
      padding:14px;
      border-radius:16px;
      background:rgba(255,184,107,.075);
      border:1px solid rgba(255,184,107,.16);
    }
    .copyright{
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }

    @keyframes pulse{
      0%,100%{transform:scale(1);opacity:1}
      50%{transform:scale(1.55);opacity:.45}
    }
    @keyframes sweep{
      0%{transform:translateX(-75%)}
      100%{transform:translateX(75%)}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }
    @media (max-width:1080px){
      .nav-actions .status-pill{display:none}
      .hero-grid,.intro-grid,.zone-layout,.compare-band{grid-template-columns:1fr}
      .filter-panel{position:relative;top:auto}
      .filter-stack{display:flex;overflow-x:auto;padding-bottom:4px}
      .filter-chip{width:auto;white-space:nowrap}
      .steps{grid-template-columns:repeat(2,1fr)}
      .zone-card{grid-template-columns:150px 1fr}
      .zone-action{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between}
      .library-visual{min-height:430px}
    }
    @media (max-width:860px){
      .container{width:min(100% - 34px,var(--container))}
      .mobile-toggle{display:block}
      .nav-links{
        position:absolute;
        left:17px;
        right:17px;
        top:82px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:14px;
        background:rgba(7,11,24,.94);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center;padding:13px 14px}
      .nav-actions .btn{display:none}
      .hero{padding-top:58px}
      .section{padding:70px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .faq-grid,.footer-grid,.cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .layer-item{grid-template-columns:46px 1fr}
      .layer-state{grid-column:2}
    }
    @media (max-width:620px){
      .brand{max-width:245px}
      .brand-name{font-size:13px}
      .brand-sub{font-size:11px}
      .hero-desc{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .visual-row,.steps{grid-template-columns:1fr}
      .library-visual{min-height:560px;padding:16px}
      .floating-card{left:16px;right:16px;width:auto}
      .intro-panel,.compare-card,.cta-panel{padding:24px}
      .zone-card{grid-template-columns:1fr}
      .thumb{height:150px}
      .zone-action{flex-direction:column;align-items:stretch}
      .zone-action .btn{width:100%}
      .copyright{display:grid}
    }

/* roulang page: category2 */
:root{
      --bg:#070B18;
      --bg-2:#0D1530;
      --bg-3:#111A38;
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.10);
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(45,226,255,.35);
      --text:#F4F7FF;
      --muted:#AAB6D3;
      --weak:#6F7D9D;
      --cyan:#2DE2FF;
      --purple:#8A5CFF;
      --amber:#FFB86B;
      --rose:#FF4FA3;
      --ok:#3FE6BF;
      --shadow:0 18px 60px rgba(0,0,0,.35);
      --glow:0 0 34px rgba(45,226,255,.15);
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:16px;
      --container:1200px;
      --nav-h:78px;
      --ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(45,226,255,.16), transparent 32%),
        radial-gradient(circle at 88% 20%, rgba(138,92,255,.18), transparent 34%),
        radial-gradient(circle at 50% 98%, rgba(17,26,56,.95), transparent 42%),
        var(--bg);
      line-height:1.8;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.35;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 75%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 48px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,11,24,.72);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-shell{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(45,226,255,.95), rgba(138,92,255,.9) 58%, rgba(255,79,163,.8)),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.85), transparent 26%);
      box-shadow:0 0 30px rgba(45,226,255,.28);
      position:relative;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:11px;
      border:1px solid rgba(255,255,255,.55);
      border-radius:10px;
    }
    .brand-copy{min-width:0}
    .brand-title{
      font-weight:800;
      letter-spacing:-.02em;
      font-size:16px;
      line-height:1.25;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:280px;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      line-height:1.35;
      margin-top:2px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:5px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      border-radius:999px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .nav-links a{
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      padding:9px 14px;
      border-radius:999px;
      transition:background var(--ease), color var(--ease), box-shadow var(--ease), transform var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(255,255,255,.07);
    }
    .nav-links a.active{
      color:#06111A;
      background:linear-gradient(135deg, var(--cyan), #A5F3FF);
      box-shadow:0 0 24px rgba(45,226,255,.25);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border:1px solid rgba(255,184,107,.26);
      border-radius:999px;
      color:#FFE0B8;
      background:rgba(255,184,107,.10);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 18px rgba(255,184,107,.7);
      animation:pulse 1.8s infinite;
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      color:var(--text);
      align-items:center;
      justify-content:center;
    }
    .mobile-toggle span,.mobile-toggle span::before,.mobile-toggle span::after{
      display:block;
      width:18px;
      height:2px;
      background:var(--text);
      border-radius:10px;
      position:relative;
      transition:transform var(--ease), top var(--ease), opacity var(--ease);
    }
    .mobile-toggle span::before,.mobile-toggle span::after{
      content:"";
      position:absolute;
      left:0;
    }
    .mobile-toggle span::before{top:-6px}
    .mobile-toggle span::after{top:6px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      color:var(--text);
      transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
      user-select:none;
      text-align:center;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow:0 14px 38px rgba(45,226,255,.18), 0 0 28px rgba(138,92,255,.18);
    }
    .btn-secondary{
      background:rgba(255,255,255,.06);
      border-color:var(--line);
      color:var(--text);
    }
    .btn-amber{
      background:rgba(255,184,107,.13);
      border-color:rgba(255,184,107,.36);
      color:#FFE0B8;
    }
    .btn:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 48px rgba(0,0,0,.28), 0 0 32px rgba(45,226,255,.18);
    }
    .btn-secondary:hover{
      border-color:var(--line-strong);
      background:rgba(45,226,255,.08);
    }
    .btn:focus-visible,.nav-links a:focus-visible,.mobile-toggle:focus-visible,.faq-item summary:focus-visible{
      outline:3px solid rgba(45,226,255,.55);
      outline-offset:3px;
    }
    .hero{
      padding:82px 0 56px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(45,226,255,.22);
      border-radius:999px;
      color:#CFF8FF;
      background:rgba(45,226,255,.08);
      font-size:13px;
      font-weight:800;
    }
    .eyebrow .lock{
      width:18px;
      height:18px;
      border:1px solid rgba(45,226,255,.65);
      border-radius:6px;
      position:relative;
    }
    .eyebrow .lock::before{
      content:"";
      width:8px;
      height:6px;
      border:1px solid rgba(45,226,255,.75);
      border-bottom:0;
      border-radius:8px 8px 0 0;
      position:absolute;
      top:-6px;
      left:4px;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:20px 0 18px;
      font-size:clamp(32px, 5vw, 56px);
      line-height:1.15;
      letter-spacing:-.04em;
    }
    .gradient-text{
      background:linear-gradient(135deg, #fff, #BDF7FF 38%, #D8C8FF 74%, #FFE0B8);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      color:var(--muted);
      font-size:18px;
      max-width:660px;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }
    .notice-bar{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:15px 16px;
      border-radius:18px;
      border:1px solid rgba(255,184,107,.20);
      background:linear-gradient(135deg, rgba(255,184,107,.10), rgba(255,255,255,.045));
      color:#FFE8C8;
      max-width:700px;
    }
    .notice-bar strong{color:var(--amber)}
    .member-card{
      position:relative;
      padding:26px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.05)),
        radial-gradient(circle at 25% 0%, rgba(45,226,255,.22), transparent 34%),
        radial-gradient(circle at 80% 18%, rgba(138,92,255,.26), transparent 35%);
      border:1px solid var(--line);
      box-shadow:var(--shadow), var(--glow);
      overflow:hidden;
    }
    .member-card::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(120deg, transparent, rgba(45,226,255,.18), transparent 60%);
      transform:translateX(-55%);
      animation:scan 6s ease-in-out infinite;
      pointer-events:none;
    }
    .card-top{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
      margin-bottom:28px;
      position:relative;
      z-index:1;
    }
    .member-title{
      font-size:15px;
      color:var(--muted);
      margin:0 0 4px;
    }
    .member-name{
      font-size:24px;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .chip{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(63,230,191,.10);
      color:#B9FFF0;
      border:1px solid rgba(63,230,191,.25);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .dashboard-lines{
      display:grid;
      gap:13px;
      position:relative;
      z-index:1;
    }
    .dash-row{
      display:grid;
      grid-template-columns:88px 1fr 56px;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:18px;
      background:rgba(7,11,24,.36);
      border:1px solid rgba(255,255,255,.08);
    }
    .dash-label{color:var(--muted);font-size:14px}
    .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--cyan), var(--purple));
      box-shadow:0 0 18px rgba(45,226,255,.38);
    }
    .dash-score{font-weight:900;color:#DDFBFF;text-align:right}
    .mini-grid{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      position:relative;
      z-index:1;
    }
    .mini-stat{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
    }
    .mini-stat b{
      display:block;
      font-size:22px;
      color:var(--cyan);
      line-height:1.1;
    }
    .mini-stat span{
      display:block;
      color:var(--weak);
      font-size:12px;
      margin-top:5px;
    }
    main{position:relative}
    .section{
      padding:76px 0;
    }
    .section.alt{
      background:linear-gradient(180deg, transparent, rgba(13,21,48,.46), transparent);
    }
    .section-head{
      max-width:760px;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:900;
      font-size:13px;
      letter-spacing:.04em;
      margin-bottom:10px;
    }
    h2{
      font-size:clamp(26px, 3.4vw, 38px);
      line-height:1.22;
      letter-spacing:-.03em;
      margin-bottom:12px;
    }
    .section-desc{
      color:var(--muted);
      font-size:17px;
      margin-bottom:0;
    }
    .timeline-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:start;
    }
    .path-panel,.glass-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .path-panel{padding:28px;position:sticky;top:104px}
    .path-panel h3{font-size:24px;margin-bottom:10px}
    .path-panel p{color:var(--muted);margin-bottom:20px}
    .path-tags{display:flex;flex-wrap:wrap;gap:10px}
    .path-tags span{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .timeline{
      position:relative;
      display:grid;
      gap:16px;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:24px;
      top:20px;
      bottom:20px;
      width:2px;
      background:linear-gradient(var(--cyan), var(--purple), rgba(255,184,107,.65));
      opacity:.62;
    }
    .step-card{
      position:relative;
      display:grid;
      grid-template-columns:50px 1fr;
      gap:16px;
      padding:20px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      transition:transform var(--ease), border-color var(--ease), background var(--ease);
    }
    .step-card:hover{
      transform:translateX(4px);
      border-color:var(--line-strong);
      background:rgba(45,226,255,.07);
    }
    .step-num{
      width:50px;
      height:50px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#06111A;
      font-weight:900;
      background:linear-gradient(135deg, var(--cyan), #C8F7FF);
      box-shadow:0 0 24px rgba(45,226,255,.24);
      z-index:1;
    }
    .step-card h3{font-size:20px;margin-bottom:6px}
    .step-card p{color:var(--muted);margin:0}
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .compare-card{
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      box-shadow:0 14px 46px rgba(0,0,0,.22);
    }
    .compare-card.highlight{
      border-color:rgba(45,226,255,.28);
      background:
        radial-gradient(circle at 20% 0%, rgba(45,226,255,.15), transparent 34%),
        rgba(255,255,255,.075);
      box-shadow:var(--shadow), var(--glow);
    }
    .compare-card h3{
      font-size:24px;
      margin-bottom:18px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .icon-round{
      width:34px;height:34px;border-radius:13px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:var(--cyan);
    }
    .compare-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:13px;
    }
    .compare-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .compare-list li:last-child{border-bottom:0}
    .compare-list li::before{
      content:"";
      width:9px;height:9px;
      border-radius:50%;
      flex:0 0 auto;
      margin-top:10px;
      background:var(--weak);
      box-shadow:0 0 12px rgba(111,125,157,.25);
    }
    .highlight .compare-list li::before{
      background:var(--cyan);
      box-shadow:0 0 16px rgba(45,226,255,.55);
    }
    .benefit-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-wall{
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(45,226,255,.20);
      background:
        linear-gradient(145deg, rgba(45,226,255,.08), rgba(138,92,255,.08)),
        rgba(255,255,255,.045);
      position:relative;
      overflow:hidden;
      min-height:430px;
    }
    .feature-wall::after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:-100px;
      bottom:-100px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,79,163,.22), transparent 68%);
    }
    .feature-wall h3{font-size:30px;line-height:1.25;margin-bottom:12px;position:relative;z-index:1}
    .feature-wall p{color:var(--muted);position:relative;z-index:1}
    .feature-meter{
      margin-top:28px;
      display:grid;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .meter-item{
      padding:16px;
      border-radius:20px;
      background:rgba(7,11,24,.32);
      border:1px solid rgba(255,255,255,.08);
    }
    .meter-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#DDFBFF;
      font-weight:800;
      margin-bottom:8px;
    }
    .benefit-list{
      display:grid;
      gap:16px;
    }
    .benefit-card{
      padding:20px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      transition:transform var(--ease), border-color var(--ease), background var(--ease);
    }
    .benefit-card:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.085);
    }
    .benefit-card h3{
      font-size:20px;
      margin-bottom:8px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .benefit-card p{color:var(--muted);margin:0}
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .scenario-card{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      min-height:210px;
      transition:transform var(--ease), border-color var(--ease);
    }
    .scenario-card:hover{
      transform:translateY(-4px);
      border-color:rgba(138,92,255,.38);
    }
    .scenario-card .badge{margin-bottom:18px}
    .scenario-card h3{font-size:20px;margin-bottom:8px}
    .scenario-card p{color:var(--muted);margin:0}
    .voices{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .voice-card{
      padding:24px;
      border-radius:26px;
      border:1px solid var(--line);
      background:linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.045));
      display:grid;
      gap:14px;
    }
    .voice-top{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:#06111A;
      font-weight:900;
      background:linear-gradient(135deg, var(--cyan), var(--amber));
    }
    .voice-name{font-weight:900}
    .voice-meta{font-size:13px;color:var(--weak)}
    .voice-card p{color:var(--muted);margin:0}
    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:start;
    }
    .faq-note{
      padding:26px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,184,107,.22);
      background:rgba(255,184,107,.075);
    }
    .faq-note h3{font-size:24px;margin-bottom:10px}
    .faq-note p{color:#FFE5C1;margin-bottom:18px}
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:border-color var(--ease), background var(--ease);
    }
    .faq-item:hover,.faq-item[open]{
      border-color:rgba(45,226,255,.30);
      background:rgba(45,226,255,.06);
    }
    .faq-item summary{
      list-style:none;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      font-weight:900;
      cursor:pointer;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      color:var(--cyan);
      font-size:24px;
      line-height:1;
      transition:transform var(--ease);
    }
    .faq-item[open] summary::after{transform:rotate(45deg)}
    .faq-item p{
      padding:0 20px 18px;
      color:var(--muted);
      margin:0;
    }
    .cta{
      padding:78px 0 92px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(45,226,255,.24);
      background:
        radial-gradient(circle at 12% 18%, rgba(45,226,255,.20), transparent 32%),
        radial-gradient(circle at 86% 68%, rgba(138,92,255,.22), transparent 36%),
        linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
      box-shadow:var(--shadow), var(--glow);
      padding:38px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-panel h2{margin-bottom:10px}
    .cta-panel p{color:var(--muted);margin:0;max-width:760px}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(5,8,18,.72);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .8fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-title{
      font-weight:900;
      font-size:18px;
      line-height:1.25;
    }
    .footer-text,.compliance{
      color:var(--muted);
      margin:0;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color var(--ease), transform var(--ease);
      display:inline-block;
    }
    .footer-links a:hover{
      color:var(--cyan);
      transform:translateX(3px);
    }
    .compliance{
      padding:15px;
      border-radius:18px;
      border:1px solid rgba(255,184,107,.18);
      background:rgba(255,184,107,.07);
      color:#FFE1BA;
      font-size:14px;
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--weak);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @keyframes pulse{
      0%,100%{transform:scale(1);opacity:1}
      50%{transform:scale(1.45);opacity:.55}
    }
    @keyframes scan{
      0%,70%,100%{transform:translateX(-60%)}
      85%{transform:translateX(60%)}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }
    @media (max-width:1100px){
      .nav-links a{padding:9px 11px}
      .brand-title{max-width:220px}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:980px){
      .nav-shell{height:auto;min-height:72px;padding:12px 0;align-items:flex-start}
      .mobile-toggle{display:flex;margin-left:auto}
      .nav-actions .status-pill{display:none}
      .nav-links{
        position:absolute;
        left:24px;
        right:24px;
        top:74px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:14px;
        background:rgba(7,11,24,.94);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center;padding:13px 16px}
      .nav-actions{margin-left:auto}
      .hero-grid,.timeline-wrap,.benefit-layout,.faq-grid{
        grid-template-columns:1fr;
      }
      .path-panel{position:relative;top:auto}
      .compare-grid,.voices{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px, var(--container))}
      .hero{padding:56px 0 36px}
      .section{padding:56px 0}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .mini-grid{grid-template-columns:1fr}
      .dash-row{grid-template-columns:76px 1fr 46px}
      .scenario-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      :root{--nav-h:70px}
      .brand-title{max-width:190px;font-size:14px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .member-card,.feature-wall,.compare-card,.path-panel,.cta-panel{padding:22px;border-radius:24px}
      .dash-row{grid-template-columns:1fr;gap:8px}
      .dash-score{text-align:left}
      .step-card{grid-template-columns:42px 1fr;padding:16px}
      .step-num{width:42px;height:42px;border-radius:15px}
      .timeline::before{left:21px}
      .notice-bar{font-size:14px}
    }

/* roulang page: category3 */
:root{
      --bg:#070B18;
      --bg-2:#0D1530;
      --bg-3:#111A38;
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.11);
      --line:rgba(255,255,255,.10);
      --line-bright:rgba(45,226,255,.35);
      --text:#F4F7FF;
      --muted:#AAB6D3;
      --weak:#6F7D9D;
      --primary:#2DE2FF;
      --secondary:#8A5CFF;
      --amber:#FFB86B;
      --rose:#FF4FA3;
      --ok:#5FF0C7;
      --shadow:0 18px 60px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(45,226,255,.16);
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:16px;
      --container:1200px;
      --nav-h:78px;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 4%, rgba(45,226,255,.16), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(138,92,255,.17), transparent 34%),
        radial-gradient(circle at 62% 92%, rgba(255,79,163,.08), transparent 32%),
        linear-gradient(180deg,#070B18 0%,#081022 42%,#070B18 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      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:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 86%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      width:520px;
      height:520px;
      right:-180px;
      top:250px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(138,92,255,.18), transparent 68%);
      filter:blur(8px);
      pointer-events:none;
      z-index:-1;
      animation:floatGlow 10s ease-in-out infinite alternate;
    }

    @keyframes floatGlow{
      from{transform:translate3d(0,0,0) scale(1)}
      to{transform:translate3d(-26px,34px,0) scale(1.08)}
    }

    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(45,226,255,.28);color:var(--text)}

    .container{
      width:min(100% - 48px,var(--container));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      min-height:var(--nav-h);
      background:rgba(7,11,24,.76);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 36px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:250px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      position:relative;
      background:
        linear-gradient(135deg,rgba(45,226,255,.95),rgba(138,92,255,.9) 58%,rgba(255,184,107,.8));
      box-shadow:0 0 28px rgba(45,226,255,.24);
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.58);
      background:rgba(7,11,24,.22);
    }
    .brand-title{
      font-size:16px;
      font-weight:800;
      line-height:1.25;
      letter-spacing:.01em;
      max-width:250px;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
      line-height:1.35;
    }

    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      border-radius:999px;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(45,226,255,.10);
    }
    .nav-links a.active{
      color:var(--text);
      background:linear-gradient(135deg,rgba(45,226,255,.22),rgba(138,92,255,.20));
      box-shadow:inset 0 0 0 1px rgba(45,226,255,.22),0 0 22px rgba(45,226,255,.12);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      color:var(--amber);
      background:rgba(255,184,107,.10);
      border:1px solid rgba(255,184,107,.23);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 0 rgba(45,226,255,.65);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(45,226,255,.55)}
      70%{box-shadow:0 0 0 8px rgba(45,226,255,0)}
      100%{box-shadow:0 0 0 0 rgba(45,226,255,0)}
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 32px rgba(45,226,255,.20),0 0 22px rgba(138,92,255,.14);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 42px rgba(45,226,255,.28),0 0 30px rgba(138,92,255,.18)}
    .btn-secondary{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.14);
      color:var(--text);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--line-bright);background:rgba(45,226,255,.09)}
    .btn-amber{
      color:#1B1220;
      background:linear-gradient(135deg,#FFD39B,var(--amber));
      box-shadow:0 10px 26px rgba(255,184,107,.18);
    }
    .btn:focus-visible,
    .nav-links a:focus-visible,
    .mobile-toggle:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(45,226,255,.42);
      outline-offset:3px;
    }

    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      color:var(--text);
      align-items:center;
      justify-content:center;
    }
    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after{
      display:block;
      width:20px;
      height:2px;
      border-radius:2px;
      background:var(--text);
      position:relative;
      transition:.2s ease;
    }
    .mobile-toggle span::before,
    .mobile-toggle span::after{
      content:"";
      position:absolute;
      left:0;
    }
    .mobile-toggle span::before{top:-7px}
    .mobile-toggle span::after{top:7px}
    .mobile-toggle.is-open span{background:transparent}
    .mobile-toggle.is-open span::before{top:0;transform:rotate(45deg)}
    .mobile-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

    main{position:relative}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section.compact{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary);
      background:rgba(45,226,255,.09);
      border:1px solid rgba(45,226,255,.20);
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    .eyebrow.amber{
      color:var(--amber);
      background:rgba(255,184,107,.09);
      border-color:rgba(255,184,107,.22);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:850px;
      font-size:clamp(32px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-bottom:16px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      margin-bottom:10px;
    }
    .lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.86;
      max-width:780px;
      margin-bottom:0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head p{
      color:var(--muted);
      max-width:560px;
      margin-bottom:0;
    }

    .hero{
      min-height:calc(100vh - var(--nav-h));
      display:flex;
      align-items:center;
      padding:78px 0 72px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .78fr;
      gap:52px;
      align-items:center;
    }
    .hero-copy{
      position:relative;
      z-index:2;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .trust-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:760px;
    }
    .trust-item{
      padding:15px 16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
      color:var(--muted);
      font-size:14px;
    }
    .trust-item strong{
      display:block;
      color:var(--text);
      font-size:16px;
      margin-bottom:2px;
    }

    .compliance-panel{
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.045)),
        radial-gradient(circle at 30% 20%,rgba(45,226,255,.18),transparent 35%),
        radial-gradient(circle at 82% 10%,rgba(138,92,255,.20),transparent 36%);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
      position:relative;
      padding:24px;
    }
    .compliance-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent,rgba(255,255,255,.08),transparent);
      transform:translateX(-100%);
      animation:scan 7s linear infinite;
    }
    @keyframes scan{
      0%,45%{transform:translateX(-100%)}
      75%,100%{transform:translateX(100%)}
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:22px;
      position:relative;
      z-index:1;
    }
    .mini-label{
      color:var(--muted);
      font-size:13px;
    }
    .age-lock{
      width:86px;
      height:86px;
      border-radius:26px;
      display:grid;
      place-items:center;
      background:rgba(7,11,24,.54);
      border:1px solid rgba(45,226,255,.24);
      box-shadow:inset 0 0 26px rgba(45,226,255,.08);
      font-size:30px;
      font-weight:900;
      color:var(--primary);
    }
    .security-meter{
      position:relative;
      z-index:1;
      display:grid;
      gap:13px;
    }
    .meter-row{
      display:grid;
      grid-template-columns:118px 1fr 48px;
      gap:12px;
      align-items:center;
      font-size:13px;
      color:var(--muted);
    }
    .meter-bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .meter-fill{
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      box-shadow:0 0 18px rgba(45,226,255,.25);
    }
    .notice-card{
      position:relative;
      z-index:1;
      margin-top:22px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(255,184,107,.23);
      background:rgba(255,184,107,.08);
      color:#FFE4BF;
      font-size:14px;
    }

    .layout-doc{
      display:grid;
      grid-template-columns:minmax(0,1fr) 292px;
      gap:30px;
      align-items:start;
    }
    .doc-main{
      display:grid;
      gap:22px;
    }
    .doc-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.06);
      box-shadow:0 14px 46px rgba(0,0,0,.20);
      padding:30px;
      backdrop-filter:blur(16px);
      transition:.22s ease;
    }
    .doc-card:hover{
      border-color:rgba(45,226,255,.25);
      transform:translateY(-2px);
      box-shadow:0 18px 56px rgba(0,0,0,.30),0 0 26px rgba(45,226,255,.08);
    }
    .doc-card p{color:var(--muted);margin-bottom:0}
    .doc-card.highlight{
      background:
        linear-gradient(135deg,rgba(45,226,255,.10),rgba(138,92,255,.08)),
        rgba(255,255,255,.06);
      border-color:rgba(45,226,255,.22);
    }
    .doc-index{
      position:sticky;
      top:102px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.055);
      padding:18px;
      backdrop-filter:blur(14px);
    }
    .doc-index h3{
      font-size:16px;
      margin:0 0 12px;
    }
    .doc-index a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 10px;
      border-radius:14px;
      color:var(--muted);
      font-size:14px;
      transition:.2s ease;
    }
    .doc-index a:hover{
      color:var(--text);
      background:rgba(45,226,255,.08);
    }

    .rule-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .rule-item{
      border:1px solid var(--line);
      border-radius:22px;
      padding:22px;
      background:rgba(255,255,255,.055);
    }
    .rule-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      color:var(--primary);
      background:rgba(45,226,255,.10);
      border:1px solid rgba(45,226,255,.20);
      font-weight:900;
    }
    .rule-item:nth-child(2) .rule-icon{color:var(--amber);background:rgba(255,184,107,.10);border-color:rgba(255,184,107,.22)}
    .rule-item:nth-child(3) .rule-icon{color:var(--ok);background:rgba(95,240,199,.10);border-color:rgba(95,240,199,.20)}
    .rule-item:nth-child(4) .rule-icon{color:#C8B8FF;background:rgba(138,92,255,.12);border-color:rgba(138,92,255,.22)}
    .rule-item p{color:var(--muted);margin-bottom:0}

    .advice-band{
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(17,26,56,.92),rgba(13,21,48,.72)),
        radial-gradient(circle at 90% 10%,rgba(255,79,163,.14),transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .advice-row{
      display:grid;
      grid-template-columns:210px 1fr;
      border-bottom:1px solid var(--line);
    }
    .advice-row:last-child{border-bottom:0}
    .advice-num{
      padding:24px;
      border-right:1px solid var(--line);
      color:var(--primary);
      font-size:28px;
      font-weight:900;
      background:rgba(255,255,255,.035);
    }
    .advice-content{
      padding:24px 28px;
    }
    .advice-content p{
      color:var(--muted);
      margin:0;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.2s ease;
    }
    details.faq-item:hover{
      border-color:rgba(45,226,255,.25);
      background:rgba(255,255,255,.075);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:800;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .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;
      background:rgba(45,226,255,.10);
      color:var(--primary);
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-item[open] summary::after{
      content:"−";
      background:rgba(138,92,255,.14);
      color:#C8B8FF;
    }
    .faq-item p{
      padding:0 22px 22px;
      color:var(--muted);
      margin:0;
    }

    .form-shell{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:stretch;
    }
    .form-intro{
      border:1px solid rgba(45,226,255,.18);
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 18% 20%,rgba(45,226,255,.13),transparent 38%),
        rgba(255,255,255,.06);
      padding:30px;
    }
    .form-intro ul{
      margin:22px 0 0;
      padding:0;
      display:grid;
      gap:12px;
      list-style:none;
    }
    .form-intro li{
      display:flex;
      gap:10px;
      color:var(--muted);
    }
    .form-intro li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:10px;
      background:var(--primary);
      box-shadow:0 0 12px rgba(45,226,255,.55);
      flex:0 0 auto;
    }
    .feedback-form{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.06);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field.full{grid-column:1/-1}
    label{
      color:var(--text);
      font-size:14px;
      font-weight:750;
    }
    input,select,textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(7,11,24,.46);
      border-radius:16px;
      padding:13px 14px;
      color:var(--text);
      outline:none;
      transition:.2s ease;
    }
    textarea{min-height:136px;resize:vertical}
    input::placeholder,textarea::placeholder{color:rgba(170,182,211,.58)}
    input:focus,select:focus,textarea:focus{
      border-color:rgba(45,226,255,.48);
      box-shadow:0 0 0 4px rgba(45,226,255,.10);
      background:rgba(7,11,24,.62);
    }
    .form-tip{
      margin:14px 0 20px;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,184,107,.22);
      background:rgba(255,184,107,.08);
      color:#FFE1B8;
      font-size:13px;
    }

    .cta-panel{
      border:1px solid rgba(45,226,255,.22);
      border-radius:34px;
      padding:42px;
      background:
        radial-gradient(circle at 10% 20%,rgba(45,226,255,.18),transparent 32%),
        radial-gradient(circle at 82% 22%,rgba(138,92,255,.20),transparent 36%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:var(--shadow),0 0 42px rgba(45,226,255,.10);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-80px;
      width:220px;
      height:220px;
      border-radius:50%;
      border:1px solid rgba(45,226,255,.16);
      box-shadow:inset 0 0 45px rgba(45,226,255,.08);
    }
    .cta-panel p{color:var(--muted);margin:0;max-width:720px}
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      position:relative;
      z-index:1;
    }

    .site-footer{
      padding:62px 0 28px;
      border-top:1px solid var(--line);
      background:
        radial-gradient(circle at 10% 0%,rgba(45,226,255,.08),transparent 34%),
        rgba(4,7,16,.72);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr 1fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-title{
      font-weight:900;
      font-size:18px;
      line-height:1.25;
    }
    .footer-text,.compliance{
      color:var(--muted);
      margin:0;
      font-size:14px;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:.2s ease;
    }
    .footer-links a:hover{color:var(--primary)}
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1080px){
      .nav-actions .status-pill{display:none}
      .brand{min-width:auto}
      .brand-title{max-width:210px}
      .hero-grid,.layout-doc,.form-shell{grid-template-columns:1fr}
      .doc-index{position:relative;top:auto;order:-1}
      .doc-index nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
      .section{padding:76px 0}
    }

    @media (max-width:900px){
      .mobile-toggle{display:inline-flex}
      .nav-links{
        position:fixed;
        top:var(--nav-h);
        right:20px;
        left:20px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:14px;
        background:rgba(9,14,30,.94);
        border-color:rgba(255,255,255,.13);
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{
        min-height:48px;
        justify-content:center;
        border-radius:16px;
      }
      .nav-actions .btn{display:none}
      .hero{min-height:auto;padding-top:56px}
      .trust-strip,.rule-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:680px){
      .container{width:min(100% - 32px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-title{font-size:14px;max-width:178px}
      .brand-sub{font-size:11px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%;min-height:48px}
      .compliance-panel,.doc-card,.form-intro,.feedback-form,.cta-panel{padding:22px;border-radius:24px}
      .meter-row{grid-template-columns:88px 1fr 42px;gap:8px}
      .doc-index nav{grid-template-columns:1fr}
      .advice-row{grid-template-columns:1fr}
      .advice-num{border-right:0;border-bottom:1px solid var(--line);padding:18px 22px}
      .advice-content{padding:20px 22px}
      .form-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .section{padding:62px 0}
    }

    @media (max-width:460px){
      .nav-wrap{gap:10px}
      .brand-title{max-width:150px}
      h1{font-size:31px}
      .lead{font-size:16px}
      .panel-top{align-items:flex-start}
      .age-lock{width:70px;height:70px;border-radius:22px;font-size:24px}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.001ms !important;
        animation-iteration-count:1 !important;
        scroll-behavior:auto !important;
        transition-duration:.001ms !important;
      }
    }