/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-2:#0b1728;
      --panel:rgba(14, 29, 50, .76);
      --panel-strong:rgba(16, 36, 62, .92);
      --glass:rgba(255,255,255,.075);
      --text:#eef6ff;
      --muted:#9fb2c8;
      --weak:#6f8196;
      --brand:#28f0c9;
      --brand-2:#59a7ff;
      --brand-3:#b08cff;
      --warning:#ffd166;
      --danger:#ff7a90;
      --line:rgba(178,207,255,.16);
      --line-2:rgba(40,240,201,.24);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --shadow-soft:0 12px 34px rgba(0,0,0,.28);
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --radius-sm:10px;
      --sidebar:292px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 7%, rgba(89,167,255,.22), transparent 34%),
        radial-gradient(circle at 88% 28%, rgba(40,240,201,.16), transparent 28%),
        radial-gradient(circle at 54% 100%, rgba(176,140,255,.16), transparent 35%),
        linear-gradient(135deg,#050b14 0%,#07111f 48%,#081827 100%);
      min-height:100vh;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(40,240,201,.28);color:#fff}

    .site-shell{
      display:grid;
      grid-template-columns:var(--sidebar) minmax(0,1fr);
      min-height:100vh;
    }

    .sidebar{
      position:sticky;
      top:0;
      height:100vh;
      padding:24px 18px;
      background:linear-gradient(180deg,rgba(8,18,32,.96),rgba(7,14,26,.9));
      border-right:1px solid var(--line);
      box-shadow:14px 0 42px rgba(0,0,0,.26);
      z-index:20;
    }

    .brand-block{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 12px 22px;
      border-bottom:1px solid var(--line);
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#06131f;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 28px rgba(40,240,201,.36);
      flex:0 0 auto;
      font-weight:900;
    }
    .brand-title{
      font-weight:800;
      line-height:1.25;
      letter-spacing:.02em;
      font-size:15px;
    }
    .brand-sub{
      display:block;
      margin-top:3px;
      color:var(--muted);
      font-size:12px;
      font-weight:500;
    }

    .nav-panel{padding:18px 6px}
    .nav-label{
      color:var(--weak);
      font-size:12px;
      letter-spacing:.12em;
      margin:10px 12px 8px;
    }
    .side-nav{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .side-nav a{
      display:flex;
      align-items:center;
      gap:11px;
      padding:12px 13px;
      border-radius:15px;
      color:#d7e7f8;
      border:1px solid transparent;
      background:transparent;
      font-weight:650;
    }
    .side-nav a i{width:18px;color:var(--muted)}
    .side-nav a:hover{
      background:rgba(255,255,255,.07);
      border-color:var(--line);
      transform:translateX(3px);
    }
    .side-nav a.active{
      background:linear-gradient(135deg,rgba(40,240,201,.18),rgba(89,167,255,.12));
      border-color:var(--line-2);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.035),0 12px 24px rgba(40,240,201,.08);
      color:#fff;
    }
    .side-cta{
      margin:18px 6px 0;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .side-cta strong{display:block;font-size:14px;margin-bottom:6px}
    .side-cta p{font-size:12px;color:var(--muted);margin:0 0 12px}
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:12px;
      color:#06131f;
      background:var(--warning);
      padding:6px 10px;
      border-radius:999px;
      font-weight:800;
    }

    .mobile-header{
      display:none;
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(7,17,31,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .mobile-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:12px 16px;
    }
    .menu-btn{
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      color:var(--text);
      border-radius:12px;
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      transition:var(--ease);
    }
    .menu-btn:hover,.menu-btn:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(40,240,201,.12);
    }

    .content{min-width:0}
    .container-fluid-custom{
      width:min(1180px, calc(100% - 48px));
      margin:0 auto;
    }

    .hero{
      min-height:720px;
      position:relative;
      display:flex;
      align-items:stretch;
      padding:34px 0 38px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:28px 24px auto;
      height:520px;
      border-radius:36px;
      background:
        linear-gradient(90deg,rgba(7,17,31,.18),rgba(7,17,31,.82)),
        radial-gradient(circle at 22% 34%,rgba(40,240,201,.32),transparent 30%),
        radial-gradient(circle at 65% 18%,rgba(89,167,255,.28),transparent 34%),
        linear-gradient(135deg,#123052,#07111f 62%,#0b1f2c);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      z-index:0;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:60px 58px auto auto;
      width:280px;
      height:280px;
      background:radial-gradient(circle,rgba(40,240,201,.32),transparent 66%);
      filter:blur(10px);
      z-index:0;
      pointer-events:none;
    }
    .hero-stage{
      position:relative;
      z-index:1;
      width:100%;
      display:grid;
      grid-template-rows:auto 1fr;
      gap:24px;
      padding-top:18px;
    }
    .series-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      padding:12px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-soft);
    }
    .series-links{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .series-links span{
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      color:#d7e7f8;
      font-size:13px;
      font-weight:650;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:end;
      padding:76px 0 18px;
    }
    .hero-copy{
      max-width:760px;
      padding:22px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      color:#c9fff5;
      background:rgba(40,240,201,.11);
      border:1px solid rgba(40,240,201,.25);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    h1{
      font-size:clamp(38px,5vw,72px);
      line-height:1.05;
      letter-spacing:-.05em;
      margin:0 0 20px;
      font-weight:900;
    }
    .hero-copy p{
      color:#c5d5e8;
      font-size:18px;
      max-width:700px;
      margin:0 0 26px;
    }
    .hero-actions{
      display:flex;
      gap:13px;
      flex-wrap:wrap;
      margin-bottom:28px;
    }
    .btn-glow{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      color:#06131f;
      background:linear-gradient(135deg,var(--brand),#76f7de);
      font-weight:900;
      box-shadow:0 0 24px rgba(40,240,201,.34),0 12px 28px rgba(0,0,0,.26);
      transition:var(--ease);
    }
    .btn-glow:hover{
      color:#06131f;
      transform:translateY(-2px);
      box-shadow:0 0 34px rgba(40,240,201,.48),0 18px 34px rgba(0,0,0,.32);
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:12px 18px;
      color:#eaf5ff;
      background:rgba(255,255,255,.06);
      font-weight:800;
      transition:var(--ease);
    }
    .btn-ghost:hover{
      border-color:var(--brand);
      background:rgba(40,240,201,.1);
      transform:translateY(-2px);
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      max-width:760px;
    }
    .point{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.065);
      border:1px solid var(--line);
      backdrop-filter:blur(12px);
    }
    .point b{display:block;font-size:20px;color:#fff}
    .point span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

    .dashboard-card{
      align-self:end;
      border-radius:30px;
      background:rgba(5,12,22,.68);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      padding:18px;
      overflow:hidden;
    }
    .dash-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:16px;
    }
    .dash-top strong{font-size:16px}
    .pulse{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#c9fff5;
      font-size:12px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(40,240,201,.1);
      border:1px solid rgba(40,240,201,.2);
    }
    .pulse::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(40,240,201,.12);
    }
    .matrix{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .matrix .cell{
      min-height:116px;
      padding:14px;
      border-radius:20px;
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.1);
    }
    .cell i{color:var(--brand);font-size:22px;margin-bottom:12px}
    .cell b{display:block;font-size:18px}
    .cell span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:4px}
    .risk-bar{
      margin-top:14px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
    }
    .risk-row{
      display:flex;
      justify-content:space-between;
      color:var(--muted);
      font-size:13px;
      margin-bottom:8px;
    }
    .progress{
      height:9px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
      overflow:hidden;
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--brand),var(--brand-2));
      box-shadow:0 0 16px rgba(40,240,201,.4);
    }

    main section{
      padding:52px 0;
      position:relative;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:22px;
      margin-bottom:24px;
    }
    .section-head h2{
      font-size:clamp(26px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.035em;
      margin:0;
      font-weight:900;
    }
    .section-head p{
      color:var(--muted);
      margin:8px 0 0;
      max-width:690px;
    }
    .section-kicker{
      color:var(--brand);
      font-size:13px;
      letter-spacing:.12em;
      text-transform:uppercase;
      font-weight:900;
      margin-bottom:8px;
    }

    .glass-card{
      border-radius:var(--radius-lg);
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      transition:var(--ease);
    }
    .glass-card:hover{
      border-color:rgba(40,240,201,.28);
      transform:translateY(-3px);
      box-shadow:0 18px 46px rgba(0,0,0,.34);
    }

    .kpi-wrap{
      display:grid;
      grid-template-columns:1fr 1.35fr;
      gap:18px;
    }
    .about-panel{
      padding:26px;
      min-height:100%;
      background:
        linear-gradient(135deg,rgba(40,240,201,.12),transparent 40%),
        rgba(255,255,255,.055);
    }
    .about-panel h3{font-size:24px;font-weight:900;margin:0 0 12px}
    .about-panel p{color:var(--muted);margin:0 0 18px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dcecff;
    }
    .check-list i{color:var(--brand);margin-top:5px}
    .kpi-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .kpi-card{padding:22px}
    .kpi-card .num{
      font-size:38px;
      font-weight:900;
      letter-spacing:-.04em;
      color:#fff;
      line-height:1;
    }
    .kpi-card .num small{font-size:18px;color:var(--brand)}
    .kpi-card p{color:var(--muted);margin:10px 0 0;font-size:14px}
    .kpi-tag{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(89,167,255,.12);
      color:#cfe5ff;
      font-size:12px;
      margin-bottom:12px;
      border:1px solid rgba(89,167,255,.22);
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.45fr) minmax(300px,.75fr);
      gap:18px;
    }
    .news-list{
      padding:10px;
    }
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border-radius:18px;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .news-item + .news-item{border-top:1px solid rgba(255,255,255,.06)}
    .news-item:hover{
      background:rgba(255,255,255,.055);
      border-color:var(--line);
    }
    .news-date{
      color:var(--brand);
      font-weight:900;
      font-size:13px;
    }
    .news-item h3{
      font-size:17px;
      margin:0 0 4px;
      font-weight:850;
    }
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .news-item .arrow{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      color:#dcecff;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .recommend{
      padding:22px;
      background:
        radial-gradient(circle at 78% 18%,rgba(40,240,201,.2),transparent 36%),
        var(--panel);
    }
    .recommend h3{font-size:21px;font-weight:900;margin:0 0 10px}
    .recommend p{color:var(--muted);margin:0 0 18px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:8px}
    .mini-tags span{
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:#d8eaff;
      border-radius:999px;
      padding:7px 10px;
      font-size:13px;
    }

    .service-strip{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .service-left{padding:26px}
    .service-left h3{font-size:24px;font-weight:900;margin:0 0 12px}
    .service-left p{color:var(--muted);margin:0 0 18px}
    .service-steps{
      display:grid;
      gap:12px;
    }
    .step-card{
      display:flex;
      gap:13px;
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
    }
    .step-no{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      color:#06131f;background:var(--brand);
      font-weight:900;flex:0 0 auto;
    }
    .step-card b{display:block}
    .step-card span{display:block;color:var(--muted);font-size:14px}
    .service-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .service-card{padding:22px;min-height:190px}
    .service-card i{font-size:24px;color:var(--brand);margin-bottom:14px}
    .service-card h3{font-size:18px;font-weight:900;margin:0 0 8px}
    .service-card p{color:var(--muted);font-size:14px;margin:0}

    .app-stage{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:18px;
      align-items:center;
    }
    .device-frame{
      padding:24px;
      border-radius:34px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.035));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .device-frame::before{
      content:"";
      position:absolute;
      inset:-90px -80px auto auto;
      width:220px;height:220px;border-radius:50%;
      background:rgba(40,240,201,.22);
      filter:blur(14px);
    }
    .screen{
      position:relative;
      border-radius:26px;
      background:#07111f;
      border:1px solid rgba(255,255,255,.14);
      padding:18px;
      overflow:hidden;
    }
    .screen-top{
      display:flex;justify-content:space-between;align-items:center;
      margin-bottom:16px;
    }
    .screen-title{font-weight:900}
    .screen-list{display:grid;gap:10px}
    .screen-row{
      display:flex;justify-content:space-between;gap:12px;align-items:center;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .screen-row span{color:var(--muted);font-size:13px}
    .status-ok{color:var(--brand);font-weight:900}
    .app-copy{padding:26px}
    .app-copy h2{font-size:clamp(26px,3vw,40px);font-weight:900;margin:0 0 12px}
    .app-copy p{color:var(--muted);margin:0 0 20px}
    .download-row{display:flex;gap:12px;flex-wrap:wrap}

    .story-band{
      padding:34px;
      border-radius:30px;
      background:
        linear-gradient(90deg,rgba(40,240,201,.13),rgba(89,167,255,.09)),
        rgba(255,255,255,.055);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:center;
    }
    .story-band h2{font-size:clamp(26px,3vw,42px);font-weight:900;margin:0 0 12px}
    .story-band p{color:#c7d9ed;margin:0}
    .quote-card{
      padding:22px;
      border-radius:22px;
      background:rgba(7,17,31,.54);
      border:1px solid var(--line);
    }
    .quote-card i{color:var(--brand);font-size:24px;margin-bottom:12px}
    .quote-card p{font-size:16px;color:#e4f2ff}

    .live-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:0;
      overflow:hidden;
    }
    .live-cover{
      min-height:330px;
      background:
        radial-gradient(circle at 50% 35%,rgba(40,240,201,.25),transparent 34%),
        linear-gradient(135deg,#102f4d,#08111f 68%);
      display:flex;
      align-items:end;
      padding:26px;
      border-right:1px solid var(--line);
    }
    .live-cover .badge-live{
      display:inline-flex;gap:8px;align-items:center;
      color:#fff;background:rgba(255,122,144,.16);
      border:1px solid rgba(255,122,144,.34);
      padding:8px 12px;border-radius:999px;font-weight:900;
    }
    .live-info{padding:28px}
    .live-info h2{font-size:clamp(24px,3vw,38px);font-weight:900;margin:12px 0}
    .countdown{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin:18px 0;
    }
    .count-box{
      border-radius:16px;
      padding:13px;
      text-align:center;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .count-box b{display:block;font-size:24px}
    .count-box span{color:var(--muted);font-size:12px}

    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:18px;
      align-items:start;
    }
    .faq-intro{padding:26px;position:sticky;top:28px}
    .faq-intro h2{font-size:clamp(26px,3vw,40px);font-weight:900;margin:0 0 12px}
    .faq-intro p{color:var(--muted);margin:0 0 18px}
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      overflow:hidden;
      background:var(--panel)!important;
      border:1px solid var(--line)!important;
      border-radius:18px!important;
      color:var(--text);
    }
    .accordion-button{
      background:rgba(255,255,255,.035)!important;
      color:#fff!important;
      box-shadow:none!important;
      font-weight:850;
      padding:17px 18px;
    }
    .accordion-button:not(.collapsed){
      color:#c9fff5!important;
      border-bottom:1px solid var(--line);
    }
    .accordion-button:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(40,240,201,.12)!important;
    }
    .accordion-button::after{filter:invert(1)}
    .accordion-body{
      color:var(--muted);
      padding:18px;
    }

    .lead-form{
      padding:30px;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
      background:
        radial-gradient(circle at 84% 14%,rgba(40,240,201,.18),transparent 34%),
        var(--panel-strong);
    }
    .lead-form h2{font-size:clamp(26px,3vw,40px);font-weight:900;margin:0 0 12px}
    .lead-form p{color:var(--muted);margin:0 0 18px}
    .form-control,.form-select{
      background:rgba(255,255,255,.06)!important;
      border:1px solid var(--line)!important;
      color:#fff!important;
      border-radius:14px!important;
      min-height:48px;
    }
    .form-control::placeholder{color:#708399}
    .form-control:focus,.form-select:focus{
      box-shadow:0 0 0 4px rgba(40,240,201,.12)!important;
      border-color:var(--brand)!important;
    }
    textarea.form-control{min-height:110px}
    .form-hint{
      font-size:13px;
      color:var(--weak);
      margin-top:10px;
    }

    .footer{
      margin-top:36px;
      padding:34px 0;
      border-top:1px solid var(--line);
      background:rgba(3,9,17,.42);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:12px;
    }
    .footer p{color:var(--muted);margin:0;max-width:720px}
    .footer-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
      margin-bottom:10px;
    }
    .footer-links a{
      color:#dcecff;
      border:1px solid var(--line);
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      background:rgba(255,255,255,.035);
    }
    .footer-links a:hover{
      color:#06131f;
      background:var(--brand);
      border-color:var(--brand);
    }
    .copyright{
      text-align:right;
      color:var(--weak);
      font-size:13px;
    }

    .focus-ring:focus-visible,
    a:focus-visible,
    button:focus-visible{
      outline:3px solid rgba(40,240,201,.42);
      outline-offset:3px;
    }

    @media (max-width:1024px){
      .site-shell{grid-template-columns:1fr}
      .sidebar{display:none}
      .mobile-header{display:block}
      .container-fluid-custom{width:min(100% - 32px, 980px)}
      .hero{min-height:auto;padding-top:22px}
      .hero::before{inset:18px 12px auto;height:620px}
      .hero-grid{grid-template-columns:1fr;padding-top:36px}
      .dashboard-card{max-width:720px}
      .kpi-wrap,.service-strip,.app-stage,.story-band,.live-card,.faq-wrap,.lead-form,.footer-grid{grid-template-columns:1fr}
      .faq-intro{position:relative;top:auto}
      .live-cover{border-right:0;border-bottom:1px solid var(--line)}
      .footer-links,.copyright{text-align:left;justify-content:flex-start}
    }

    @media (max-width:768px){
      main section{padding:40px 0}
      .section-head{display:block}
      .hero-points,.kpi-grid,.service-grid{grid-template-columns:1fr}
      .series-bar{align-items:flex-start}
      .news-layout{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr auto}
      .news-date{grid-column:1/-1}
      .matrix{grid-template-columns:1fr}
      h1{font-size:42px}
      .hero-copy p{font-size:16px}
    }

    @media (max-width:520px){
      .container-fluid-custom{width:min(100% - 24px, 100%)}
      .hero::before{border-radius:24px;inset:12px 6px auto;height:690px}
      .hero-actions,.download-row{flex-direction:column}
      .btn-glow,.btn-ghost{width:100%}
      .series-links span{font-size:12px;padding:7px 9px}
      .dashboard-card,.about-panel,.app-copy,.lead-form,.story-band{padding:18px}
      .countdown{grid-template-columns:1fr}
      .news-item{padding:13px}
    }

/* roulang page: category1 */
:root {
      --bg: #07111f;
      --bg-2: #0a1728;
      --panel: rgba(15, 31, 52, .74);
      --panel-strong: rgba(18, 39, 67, .92);
      --glass: rgba(255, 255, 255, .07);
      --glass-2: rgba(255, 255, 255, .11);
      --text: #edf7ff;
      --muted: #9db0c8;
      --weak: #73859e;
      --line: rgba(161, 190, 224, .18);
      --primary: #29d3ff;
      --primary-2: #5df6c9;
      --warning: #ffd166;
      --danger: #ff6b8a;
      --success: #5df6c9;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .36);
      --shadow-soft: 0 16px 42px rgba(0, 0, 0, .22);
      --sidebar: 286px;
      --ease: all .25s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 16% 8%, rgba(41, 211, 255, .20), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(93, 246, 201, .15), transparent 30%),
        linear-gradient(135deg, #06101d 0%, #07111f 42%, #081b2d 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.18));
      z-index: -2;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    a:hover {
      color: var(--primary);
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea, select {
      font: inherit;
    }

    button {
      border: 0;
    }

    ::selection {
      background: rgba(41, 211, 255, .32);
      color: #fff;
    }

    .site-shell {
      display: flex;
      min-height: 100vh;
    }

    .sidebar {
      width: var(--sidebar);
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      z-index: 1000;
      padding: 22px;
      border-right: 1px solid var(--line);
      background: rgba(5, 14, 25, .82);
      backdrop-filter: blur(22px);
      box-shadow: 16px 0 48px rgba(0, 0, 0, .18);
      display: flex;
      flex-direction: column;
      gap: 22px;
    }

    .brand-card {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,.035));
      box-shadow: var(--shadow-soft);
    }

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

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      color: #03121c;
      font-weight: 900;
      letter-spacing: -.4px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 0 28px rgba(41, 211, 255, .42);
    }

    .brand-text {
      min-width: 0;
    }

    .brand-text strong {
      display: block;
      font-size: 16px;
      line-height: 1.35;
      letter-spacing: .2px;
      white-space: normal;
    }

    .brand-text span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
    }

    .age-pill {
      margin-top: 16px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      color: #ffe8a6;
      background: rgba(255, 209, 102, .10);
      border: 1px solid rgba(255, 209, 102, .24);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
    }

    .nav-panel {
      padding: 4px;
      flex: 1;
    }

    .nav-label {
      padding: 0 12px 10px;
      color: var(--weak);
      font-size: 12px;
      letter-spacing: .16em;
      text-transform: uppercase;
    }

    .side-nav {
      display: grid;
      gap: 8px;
    }

    .side-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      color: var(--muted);
      border: 1px solid transparent;
      font-weight: 700;
      line-height: 1.35;
    }

    .side-nav a i {
      width: 20px;
      text-align: center;
      color: var(--primary-2);
      opacity: .88;
    }

    .side-nav a:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .07);
      border-color: var(--line);
      transform: translateX(2px);
    }

    .side-nav a.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(41, 211, 255, .20), rgba(93, 246, 201, .12));
      border-color: rgba(41, 211, 255, .34);
      box-shadow: 0 0 32px rgba(41, 211, 255, .12);
    }

    .side-cta {
      padding: 16px;
      border: 1px solid rgba(93, 246, 201, .20);
      border-radius: var(--radius);
      background: rgba(93, 246, 201, .07);
    }

    .side-cta p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 12px 16px;
      background: rgba(5, 14, 25, .86);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .mobile-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--line);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--ease);
    }

    .menu-toggle:hover,
    .menu-toggle:focus {
      background: rgba(41, 211, 255, .16);
      border-color: rgba(41, 211, 255, .40);
      outline: none;
    }

    .page {
      width: 100%;
      margin-left: var(--sidebar);
      min-height: 100vh;
    }

    .container-fluid-custom {
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
    }

    .section {
      padding: 84px 0;
      position: relative;
    }

    .section-tight {
      padding: 56px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      color: var(--primary-2);
      border: 1px solid rgba(93, 246, 201, .26);
      background: rgba(93, 246, 201, .08);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .04em;
    }

    .section-title {
      margin: 16px 0 0;
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.16;
      letter-spacing: -1.2px;
      font-weight: 900;
    }

    .section-desc {
      margin: 18px 0 0;
      color: var(--muted);
      max-width: 760px;
      font-size: 16px;
    }

    .hero {
      padding: 72px 0 54px;
      min-height: 690px;
      display: flex;
      align-items: center;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 34px;
      align-items: center;
    }

    .hero h1 {
      margin: 18px 0 0;
      font-size: clamp(38px, 5.6vw, 72px);
      line-height: 1.05;
      letter-spacing: -2.4px;
      font-weight: 950;
    }

    .hero h1 span {
      color: transparent;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      -webkit-background-clip: text;
      background-clip: text;
    }

    .hero-sub {
      margin: 22px 0 0;
      max-width: 730px;
      color: #b7c7d9;
      font-size: 18px;
    }

    .hero-actions {
      margin-top: 30px;
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .btn-glow,
    .btn-ghost,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 900;
      transition: var(--ease);
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-glow {
      color: #03121c;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 0 26px rgba(41, 211, 255, .38), 0 12px 28px rgba(0, 0, 0, .24);
    }

    .btn-glow:hover {
      color: #03121c;
      transform: translateY(-2px);
      box-shadow: 0 0 42px rgba(41, 211, 255, .52), 0 16px 38px rgba(0, 0, 0, .30);
    }

    .btn-ghost {
      color: var(--text);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
    }

    .btn-ghost:hover {
      color: #fff;
      border-color: rgba(41, 211, 255, .42);
      background: rgba(41, 211, 255, .10);
      transform: translateY(-2px);
    }

    .btn-soft {
      color: var(--primary-2);
      border: 1px solid rgba(93, 246, 201, .24);
      background: rgba(93, 246, 201, .08);
      min-height: 42px;
      padding: 10px 14px;
      font-size: 14px;
    }

    .btn-soft:hover {
      color: #fff;
      background: rgba(93, 246, 201, .15);
    }

    .btn-glow:focus,
    .btn-ghost:focus,
    .btn-soft:focus,
    .form-control:focus,
    .form-select:focus {
      outline: 3px solid rgba(41, 211, 255, .26);
      outline-offset: 3px;
      box-shadow: none;
    }

    .trust-row {
      margin-top: 28px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      font-size: 13px;
      font-weight: 700;
    }

    .tag i {
      color: var(--primary);
    }

    .glass-card {
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.045));
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      backdrop-filter: blur(22px);
      position: relative;
      overflow: hidden;
    }

    .glass-card::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      right: -90px;
      top: -80px;
      background: rgba(41, 211, 255, .16);
      filter: blur(16px);
      pointer-events: none;
    }

    .demo-panel {
      padding: 22px;
    }

    .demo-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary-2);
      font-size: 13px;
      font-weight: 900;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary-2);
      box-shadow: 0 0 18px rgba(93,246,201,.8);
    }

    .risk-meter {
      position: relative;
      z-index: 1;
      padding: 18px;
      border-radius: 22px;
      background: rgba(3, 13, 24, .58);
      border: 1px solid rgba(255, 255, 255, .10);
    }

    .meter-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .meter-head strong {
      font-size: 15px;
    }

    .meter-head span {
      color: var(--warning);
      font-size: 13px;
      font-weight: 900;
    }

    .progress {
      height: 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .progress-bar {
      background: linear-gradient(90deg, var(--primary-2), var(--warning));
      box-shadow: 0 0 18px rgba(93,246,201,.35);
    }

    .check-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      position: relative;
      z-index: 1;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .08);
      color: #c7d5e7;
      font-size: 14px;
    }

    .check-list i {
      margin-top: 4px;
      color: var(--primary-2);
    }

    .metric-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 28px;
    }

    .metric-card {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
      transition: var(--ease);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: rgba(41, 211, 255, .32);
      background: rgba(255, 255, 255, .08);
    }

    .metric-card strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      color: #fff;
      letter-spacing: -.8px;
    }

    .metric-card span {
      display: block;
      margin-top: 9px;
      color: var(--muted);
      font-size: 13px;
    }

    .matrix-wrap {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 24px;
      align-items: stretch;
      margin-top: 34px;
    }

    .matrix-aside {
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(41, 211, 255, .24);
      background:
        linear-gradient(160deg, rgba(41, 211, 255, .14), rgba(93, 246, 201, .06)),
        rgba(255, 255, 255, .045);
      box-shadow: var(--shadow-soft);
    }

    .matrix-aside h3 {
      margin: 0;
      font-size: 24px;
      font-weight: 900;
    }

    .matrix-aside p {
      margin: 14px 0 0;
      color: var(--muted);
    }

    .matrix-list {
      margin-top: 22px;
      display: grid;
      gap: 12px;
    }

    .matrix-list .item {
      display: flex;
      gap: 12px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(5, 14, 25, .36);
    }

    .matrix-list .item i {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #03121c;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      flex: 0 0 auto;
    }

    .matrix-list .item strong {
      display: block;
      font-size: 15px;
    }

    .matrix-list .item span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .service-card {
      min-height: 190px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
      transition: var(--ease);
      position: relative;
      overflow: hidden;
    }

    .service-card::after {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, rgba(41,211,255,.85), transparent);
      opacity: 0;
      transition: var(--ease);
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(93, 246, 201, .28);
      background: rgba(255, 255, 255, .085);
      box-shadow: var(--shadow-soft);
    }

    .service-card:hover::after {
      opacity: 1;
    }

    .icon-box {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--primary-2);
      background: rgba(93, 246, 201, .10);
      border: 1px solid rgba(93, 246, 201, .20);
      font-size: 20px;
    }

    .service-card h3 {
      margin: 0 0 10px;
      font-size: 19px;
      font-weight: 900;
    }

    .service-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .compare-board {
      margin-top: 34px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .055);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      border-bottom: 1px solid var(--line);
    }

    .compare-row:last-child {
      border-bottom: 0;
    }

    .compare-cell {
      padding: 20px;
      border-right: 1px solid var(--line);
      color: var(--muted);
    }

    .compare-cell:last-child {
      border-right: 0;
    }

    .compare-head .compare-cell {
      color: #fff;
      font-weight: 900;
      background: rgba(41, 211, 255, .08);
    }

    .compare-cell.good {
      color: #d9fff5;
      background: rgba(93, 246, 201, .055);
    }

    .compare-cell.warn {
      color: #ffe5a0;
      background: rgba(255, 209, 102, .055);
    }

    .flow {
      margin-top: 34px;
      display: grid;
      gap: 14px;
    }

    .flow-step {
      display: grid;
      grid-template-columns: 86px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.052);
      transition: var(--ease);
    }

    .flow-step:hover {
      transform: translateX(4px);
      border-color: rgba(41, 211, 255, .30);
      background: rgba(255,255,255,.075);
    }

    .step-num {
      font-size: 28px;
      font-weight: 950;
      letter-spacing: -1px;
      color: transparent;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      -webkit-background-clip: text;
      background-clip: text;
    }

    .flow-step h3 {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: 900;
    }

    .flow-step p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .step-badge {
      padding: 8px 11px;
      border-radius: 999px;
      color: var(--primary-2);
      border: 1px solid rgba(93, 246, 201, .22);
      background: rgba(93, 246, 201, .075);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .notice-band {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 209, 102, .22);
      background:
        radial-gradient(circle at 20% 0%, rgba(255, 209, 102, .12), transparent 34%),
        rgba(255, 209, 102, .055);
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 18px;
      align-items: flex-start;
    }

    .notice-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #1b1300;
      background: linear-gradient(135deg, #ffd166, #ffe6a3);
      box-shadow: 0 0 24px rgba(255, 209, 102, .24);
      font-size: 22px;
    }

    .notice-band h2 {
      margin: 0 0 8px;
      font-size: 24px;
      font-weight: 950;
    }

    .notice-band p {
      margin: 0;
      color: #d8c99e;
    }

    .accordion {
      margin-top: 30px;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      color: var(--text);
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
      border-radius: var(--radius) !important;
      overflow: hidden;
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      font-weight: 900;
      padding: 20px 22px;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: rgba(41, 211, 255, .08);
      box-shadow: none;
    }

    .accordion-button::after {
      filter: invert(1) brightness(1.8);
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 3px rgba(41, 211, 255, .22);
    }

    .accordion-body {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: stretch;
    }

    .cta-panel {
      padding: 32px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(41, 211, 255, .24);
      background:
        radial-gradient(circle at 15% 12%, rgba(41, 211, 255, .16), transparent 34%),
        linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 14px 0 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -1px;
    }

    .cta-panel p {
      margin: 18px 0 0;
      color: var(--muted);
    }

    .contact-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
      box-shadow: var(--shadow-soft);
    }

    .form-label {
      color: #dfefff;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .form-control,
    .form-select {
      min-height: 50px;
      color: var(--text);
      border-radius: 16px;
      border: 1px solid rgba(161, 190, 224, .20);
      background: rgba(5, 14, 25, .55);
    }

    .form-control::placeholder {
      color: rgba(157, 176, 200, .72);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      background: rgba(5, 14, 25, .72);
      border-color: rgba(41, 211, 255, .48);
    }

    .form-select option {
      background: #0a1728;
      color: var(--text);
    }

    .form-note {
      margin-top: 12px;
      color: var(--weak);
      font-size: 13px;
    }

    .form-result {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 14px;
      color: #d9fff5;
      background: rgba(93, 246, 201, .08);
      border: 1px solid rgba(93, 246, 201, .20);
      font-size: 14px;
    }

    .footer {
      padding: 36px 0;
      border-top: 1px solid var(--line);
      background: rgba(5, 14, 25, .52);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 28px;
      align-items: center;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .footer-brand .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      font-size: 13px;
    }

    .footer p {
      margin: 0;
      max-width: 680px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      justify-content: flex-end;
      gap: 14px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .copyright {
      margin-top: 12px;
      color: var(--weak);
      text-align: right;
      font-size: 13px;
    }

    .backdrop {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 999;
      background: rgba(0,0,0,.52);
      backdrop-filter: blur(4px);
    }

    @media (max-width: 1199px) {
      :root {
        --sidebar: 260px;
      }

      .hero-grid,
      .matrix-wrap,
      .cta-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
      }

      .metric-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 1024px) {
      .mobile-bar {
        display: block;
      }

      .site-shell {
        display: block;
      }

      .sidebar {
        transform: translateX(-105%);
        transition: var(--ease);
        width: min(320px, 86vw);
      }

      body.nav-open .sidebar {
        transform: translateX(0);
      }

      body.nav-open .backdrop {
        display: block;
      }

      .page {
        margin-left: 0;
      }

      .container-fluid-custom {
        width: min(100% - 32px, 980px);
      }

      .section {
        padding: 66px 0;
      }

      .hero {
        padding: 58px 0 38px;
      }
    }

    @media (max-width: 768px) {
      .hero h1 {
        letter-spacing: -1.5px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .btn-glow,
      .btn-ghost {
        width: 100%;
      }

      .service-grid,
      .metric-strip {
        grid-template-columns: 1fr;
      }

      .compare-board {
        overflow-x: auto;
      }

      .compare-row {
        min-width: 720px;
      }

      .flow-step {
        grid-template-columns: 1fr;
      }

      .step-badge {
        justify-self: start;
      }

      .notice-band {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .copyright {
        text-align: left;
      }
    }

    @media (max-width: 520px) {
      .container-fluid-custom {
        width: min(100% - 24px, 100%);
      }

      .brand-text strong {
        font-size: 14px;
      }

      .mobile-bar .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
        font-size: 13px;
      }

      .section-title {
        font-size: 28px;
      }

      .hero-sub,
      .section-desc {
        font-size: 15px;
      }

      .demo-panel,
      .cta-panel,
      .contact-card,
      .matrix-aside {
        padding: 20px;
        border-radius: 24px;
      }

      .metric-card strong {
        font-size: 26px;
      }
    }