/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-2:#0b1020;
      --bg-3:#111827;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.11);
      --panel-soft:rgba(255,255,255,.045);
      --line:rgba(148,163,184,.22);
      --line-bright:rgba(56,189,248,.44);
      --text:#cbd5e1;
      --muted:#94a3b8;
      --heading:#f8fafc;
      --blue:#38bdf8;
      --blue-2:#3b82f6;
      --purple:#8b5cf6;
      --pink:#c084fc;
      --amber:#f59e0b;
      --green:#34d399;
      --radius-sm:14px;
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(56,189,248,.12);
      --shadow-purple:0 26px 90px rgba(139,92,246,.14);
      --nav-h:76px;
      --max:1200px;
      --ease:all .28s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(56,189,248,.18), transparent 32%),
        radial-gradient(circle at 78% 4%, rgba(139,92,246,.22), transparent 34%),
        radial-gradient(circle at 60% 82%, rgba(192,132,252,.12), transparent 34%),
        linear-gradient(135deg, #07111f 0%, #0b1020 48%, #100b1e 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 86%);
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.12;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 7px),
        radial-gradient(circle, rgba(255,255,255,.22) 0 1px, transparent 1px 4px);
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(56,189,248,.32);color:#fff}

    .site-container{
      width:min(100% - 40px, var(--max));
      margin-inline:auto;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border:1px solid rgba(56,189,248,.28);
      border-radius:999px;
      color:#dff7ff;
      background:linear-gradient(135deg, rgba(56,189,248,.12), rgba(139,92,246,.10));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      font-size:13px;
      letter-spacing:.03em;
      margin-bottom:20px;
    }
    .eyebrow i{color:var(--blue)}
    h1,h2,h3,h4{
      color:var(--heading);
      letter-spacing:-.035em;
      margin:0;
      line-height:1.15;
    }
    h1{
      font-size:clamp(36px, 5vw, 62px);
      font-weight:800;
      max-width:760px;
    }
    h2{
      font-size:clamp(28px, 3.4vw, 42px);
      font-weight:780;
    }
    h3{
      font-size:clamp(21px, 2vw, 26px);
      font-weight:720;
    }
    p{margin:0;color:var(--text)}
    .lead{
      font-size:18px;
      line-height:1.85;
      color:#d7e2ef;
      max-width:720px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head p{max-width:620px;color:var(--muted)}
    .text-gradient{
      background:linear-gradient(90deg, var(--blue), var(--pink));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px) saturate(140%);
      background:rgba(7,17,31,.74);
      border-bottom:1px solid rgba(148,163,184,.16);
      box-shadow:0 8px 40px rgba(0,0,0,.18);
    }
    .navbar{
      min-height:var(--nav-h);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--heading)!important;
      font-weight:800;
      letter-spacing:-.02em;
      max-width:360px;
      white-space:normal;
      line-height:1.25;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 35% 25%, rgba(255,255,255,.42), transparent 18%),
        linear-gradient(135deg, var(--blue-2), var(--purple));
      box-shadow:0 12px 34px rgba(56,189,248,.28);
    }
    .brand-mark i{font-size:20px}
    .brand-copy small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:600;
      letter-spacing:.04em;
      margin-top:1px;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      color:var(--heading);
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(56,189,248,.18)}
    .navbar-toggler-icon{
      filter:invert(1) grayscale(1);
      opacity:.85;
    }
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:#cbd5e1!important;
      padding:10px 16px!important;
      border-radius:999px;
      font-weight:650;
      font-size:15px;
      position:relative;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:99px;
      transform:scaleX(0);
      transform-origin:center;
      transition:var(--ease);
      background:linear-gradient(90deg, var(--blue), var(--pink));
      opacity:.85;
    }
    .nav-link:hover{
      color:#eafaff!important;
      background:rgba(56,189,248,.08);
    }
    .nav-link:hover::after{transform:scaleX(1)}
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg, rgba(59,130,246,.34), rgba(139,92,246,.30));
      border:1px solid rgba(56,189,248,.20);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.09);
    }
    .nav-link.active::after{display:none}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      color:#fff!important;
      font-weight:750;
      background:linear-gradient(135deg, var(--blue-2), var(--purple));
      box-shadow:0 14px 36px rgba(59,130,246,.25);
      border:1px solid rgba(255,255,255,.12);
      white-space:nowrap;
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      color:#fff!important;
      box-shadow:0 18px 52px rgba(56,189,248,.28);
      filter:brightness(1.08);
    }

    .btn-glow,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:52px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:780;
      border:1px solid transparent;
      transition:var(--ease);
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-glow{
      color:#fff;
      background:linear-gradient(135deg, var(--blue-2), var(--purple) 72%, var(--pink));
      box-shadow:0 18px 54px rgba(59,130,246,.30), inset 0 1px 0 rgba(255,255,255,.16);
    }
    .btn-glow:hover{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 24px 70px rgba(56,189,248,.34);
      filter:brightness(1.08);
    }
    .btn-ghost{
      color:#e2e8f0;
      background:rgba(255,255,255,.055);
      border-color:rgba(148,163,184,.26);
      backdrop-filter:blur(12px);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:var(--line-bright);
      background:rgba(56,189,248,.09);
      transform:translateY(-3px);
    }
    .btn-glow:focus,.btn-ghost:focus,.form-control:focus{
      outline:none;
      box-shadow:0 0 0 4px rgba(56,189,248,.18), 0 20px 54px rgba(56,189,248,.16);
    }

    .hero{
      min-height:760px;
      display:flex;
      align-items:center;
      padding:86px 0 68px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      width:620px;
      height:620px;
      right:-160px;
      top:24px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(56,189,248,.22), transparent 66%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:-90px;
      bottom:40px;
      width:480px;
      height:220px;
      transform:rotate(-12deg);
      background:linear-gradient(90deg, transparent, rgba(139,92,246,.18), transparent);
      filter:blur(18px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.04fr) minmax(360px, .86fr);
      gap:54px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .hero-copy .lead{margin-top:22px}
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:32px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:30px;
    }
    .trust-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(148,163,184,.18);
      color:#d6e5f5;
      font-size:14px;
    }
    .trust-pill i{color:var(--green)}

    .cinema-console{
      position:relative;
      min-height:560px;
      perspective:1200px;
    }
    .player-panel{
      position:absolute;
      inset:34px 0 auto auto;
      width:min(100%, 500px);
      border-radius:34px;
      background:linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
      border:1px solid rgba(148,163,184,.24);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.12);
      backdrop-filter:blur(18px) saturate(140%);
      padding:22px;
      transform:rotateY(-8deg) rotateX(4deg);
      overflow:hidden;
    }
    .player-panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 70% 15%, rgba(192,132,252,.24), transparent 24%),
        radial-gradient(circle at 8% 78%, rgba(56,189,248,.18), transparent 28%);
      pointer-events:none;
    }
    .player-screen{
      position:relative;
      height:245px;
      border-radius:26px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(56,189,248,.22), rgba(139,92,246,.16)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.10) 0 2px, transparent 2px 18px);
    }
    .player-screen::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 28% 38%, rgba(255,255,255,.22), transparent 18%),
        linear-gradient(to top, rgba(7,17,31,.88), transparent 55%);
    }
    .play-orb{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%, -50%);
      width:82px;
      height:82px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.28);
      box-shadow:0 0 60px rgba(56,189,248,.28);
      backdrop-filter:blur(12px);
      color:#fff;
      font-size:36px;
    }
    .console-title{
      position:relative;
      padding:20px 2px 14px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
    }
    .console-title strong{color:#fff;font-size:18px}
    .console-title span{
      color:#a8b6ca;
      font-size:13px;
      display:block;
      margin-top:2px;
    }
    .hot-badge{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:#fff3d8;
      font-weight:750;
      font-size:12px;
      background:rgba(245,158,11,.18);
      border:1px solid rgba(245,158,11,.30);
    }
    .tag-cloud{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding-top:4px;
    }
    .media-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      color:#dbeafe;
      font-size:13px;
      background:rgba(15,23,42,.62);
      border:1px solid rgba(148,163,184,.22);
    }
    .media-tag i{color:var(--blue)}
    .floating-card{
      position:absolute;
      z-index:4;
      border-radius:24px;
      padding:18px;
      background:rgba(15,23,42,.70);
      border:1px solid rgba(148,163,184,.22);
      backdrop-filter:blur(18px);
      box-shadow:0 22px 60px rgba(0,0,0,.22);
    }
    .floating-card.one{
      left:0;
      bottom:74px;
      width:230px;
    }
    .floating-card.two{
      right:28px;
      bottom:12px;
      width:260px;
    }
    .mini-label{
      color:var(--muted);
      font-size:13px;
      margin-bottom:8px;
    }
    .metric{
      display:flex;
      align-items:end;
      gap:8px;
    }
    .metric b{
      color:#fff;
      font-size:30px;
      line-height:1;
    }
    .metric span{color:var(--blue);font-weight:800}
    .wave-line{
      height:48px;
      margin-top:12px;
      border-radius:16px;
      background:
        linear-gradient(90deg, rgba(56,189,248,.10), rgba(139,92,246,.13)),
        repeating-linear-gradient(90deg, transparent 0 14px, rgba(56,189,248,.24) 14px 16px);
      position:relative;
      overflow:hidden;
    }
    .wave-line::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:12px;
      height:2px;
      background:linear-gradient(90deg, transparent, var(--blue), var(--pink), transparent);
      transform:skewY(-8deg);
      box-shadow:0 0 18px rgba(56,189,248,.42);
    }
    .mini-list{
      display:grid;
      gap:9px;
      margin-top:12px;
    }
    .mini-list div{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:9px 10px;
      border-radius:14px;
      background:rgba(255,255,255,.055);
      color:#dbeafe;
      font-size:13px;
    }
    .mini-list em{font-style:normal;color:var(--amber);font-weight:800}

    .stats-strip{
      margin-top:-24px;
      position:relative;
      z-index:2;
    }
    .stats-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border-radius:30px;
      overflow:hidden;
      border:1px solid rgba(148,163,184,.22);
      background:linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
    }
    .stat-item{
      padding:24px 26px;
      border-right:1px solid rgba(148,163,184,.16);
    }
    .stat-item:last-child{border-right:0}
    .stat-item b{
      color:#fff;
      font-size:26px;
      display:block;
      line-height:1.15;
    }
    .stat-item span{
      color:var(--muted);
      font-size:14px;
      display:block;
      margin-top:7px;
    }

    .glass-card{
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius);
      background:linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
      backdrop-filter:blur(18px) saturate(130%);
      box-shadow:0 20px 70px rgba(0,0,0,.18);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 18% 0%, rgba(56,189,248,.12), transparent 32%);
      opacity:.85;
      pointer-events:none;
    }
    .glass-card:hover{
      transform:translateY(-6px);
      border-color:rgba(56,189,248,.36);
      background:linear-gradient(145deg, rgba(255,255,255,.115), rgba(255,255,255,.06));
      box-shadow:0 30px 90px rgba(56,189,248,.13);
    }
    .glass-card > *{position:relative;z-index:1}
    .icon-box{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg, rgba(56,189,248,.26), rgba(139,92,246,.28));
      border:1px solid rgba(255,255,255,.13);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
      margin-bottom:18px;
    }
    .icon-box i{font-size:23px}
    .bento-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      grid-template-rows:auto auto;
      gap:22px;
    }
    .bento-main{
      grid-row:span 2;
      padding:34px;
      min-height:442px;
    }
    .bento-main h3{font-size:30px;margin-bottom:14px}
    .bento-main p,.bento-card p{color:#aebcd0}
    .bento-card{
      padding:28px;
      min-height:210px;
    }
    .feature-list{
      margin:28px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:13px;
    }
    .feature-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      color:#dce9f8;
      padding:12px 13px;
      border-radius:16px;
      background:rgba(15,23,42,.42);
      border:1px solid rgba(148,163,184,.14);
    }
    .feature-list i{color:var(--green);margin-top:4px}
    .small-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#bfeeff;
      font-weight:750;
      margin-top:18px;
    }
    .small-link:hover{gap:12px;color:#fff}
    .tag-row-card{
      grid-column:1 / -1;
      padding:24px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
    }
    .tag-row-card .tag-cloud{max-width:780px}
    .topic-section{
      background:linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01));
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .topic-card{
      min-height:260px;
      padding:24px;
    }
    .abstract-thumb{
      height:116px;
      border-radius:22px;
      margin-bottom:20px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 22% 30%, rgba(255,255,255,.24), transparent 18%),
        linear-gradient(135deg, rgba(56,189,248,.28), rgba(139,92,246,.20) 54%, rgba(245,158,11,.10)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 14px);
      border:1px solid rgba(255,255,255,.12);
    }
    .abstract-thumb::after{
      content:"";
      position:absolute;
      width:48px;
      height:48px;
      right:18px;
      bottom:16px;
      border-radius:50%;
      background:rgba(7,17,31,.54);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:0 0 32px rgba(56,189,248,.22);
    }
    .topic-card h3{margin-bottom:10px}
    .topic-card p{color:#aebcd0}
    .card-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:18px;
      color:var(--muted);
      font-size:13px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      color:#dbeafe;
      font-size:13px;
      font-weight:700;
      background:rgba(56,189,248,.10);
      border:1px solid rgba(56,189,248,.20);
    }
    .badge-amber{
      color:#fff3d8;
      background:rgba(245,158,11,.14);
      border-color:rgba(245,158,11,.26);
    }

    .timeline{
      position:relative;
      display:grid;
      gap:20px;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:28px;
      top:22px;
      bottom:22px;
      width:2px;
      background:linear-gradient(to bottom, var(--blue), var(--purple), transparent);
      opacity:.7;
    }
    .scenario{
      display:grid;
      grid-template-columns:72px 1fr;
      gap:18px;
      align-items:stretch;
    }
    .scenario-num{
      width:58px;
      height:58px;
      border-radius:20px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:850;
      position:relative;
      z-index:2;
      background:linear-gradient(135deg, var(--blue-2), var(--purple));
      box-shadow:0 14px 34px rgba(59,130,246,.25);
    }
    .scenario-card{
      padding:24px 26px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
    }
    .scenario-card p{color:#aebcd0;margin-top:8px}
    .scenario-card .btn-ghost{min-height:44px;padding:10px 16px}

    .case-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .case-card{
      padding:28px;
    }
    .case-card .badge-soft{margin-bottom:18px}
    .case-card h3{margin-bottom:12px}
    .case-card p{color:#aebcd0}
    .case-result{
      margin-top:22px;
      padding:14px 16px;
      border-radius:18px;
      color:#e8f7ff;
      background:rgba(56,189,248,.08);
      border:1px solid rgba(56,189,248,.18);
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:750;
    }
    .case-result i{color:var(--green)}

    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      align-items:stretch;
    }
    .price-card{
      padding:30px;
    }
    .price-card.featured{
      border-color:rgba(56,189,248,.40);
      transform:translateY(-10px);
      box-shadow:0 34px 100px rgba(56,189,248,.16);
    }
    .price-card.featured:hover{transform:translateY(-16px)}
    .price-top{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      margin-bottom:22px;
    }
    .price{
      display:flex;
      align-items:end;
      gap:8px;
      margin:18px 0 12px;
    }
    .price b{
      color:#fff;
      font-size:38px;
      line-height:1;
      letter-spacing:-.04em;
    }
    .price span{color:var(--muted)}
    .price-card ul{
      list-style:none;
      margin:24px 0 28px;
      padding:0;
      display:grid;
      gap:12px;
    }
    .price-card li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#d9e5f2;
    }
    .price-card li i{
      color:var(--green);
      margin-top:4px;
    }
    .price-note{
      margin-top:16px;
      color:var(--muted);
      font-size:13px;
    }

    .faq-wrap{
      max-width:900px;
      margin-inline:auto;
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      background:rgba(255,255,255,.06)!important;
      border:1px solid rgba(148,163,184,.22)!important;
      border-radius:22px!important;
      overflow:hidden;
      backdrop-filter:blur(16px);
    }
    .accordion-button{
      color:#f8fafc!important;
      background:transparent!important;
      box-shadow:none!important;
      padding:20px 22px;
      font-weight:760;
      line-height:1.5;
    }
    .accordion-button::after{
      filter:invert(1);
      opacity:.75;
    }
    .accordion-button:not(.collapsed){
      background:linear-gradient(135deg, rgba(56,189,248,.10), rgba(139,92,246,.08))!important;
    }
    .accordion-body{
      color:#b7c6d8;
      padding:0 22px 22px;
      line-height:1.85;
    }

    .cta-panel{
      padding:44px;
      border-radius:34px;
      overflow:hidden;
      position:relative;
      background:
        radial-gradient(circle at 18% 18%, rgba(56,189,248,.26), transparent 32%),
        radial-gradient(circle at 86% 72%, rgba(139,92,246,.24), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
      border:1px solid rgba(148,163,184,.25);
      box-shadow:var(--shadow-purple);
      backdrop-filter:blur(18px);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(110deg, transparent 0 42%, rgba(255,255,255,.08) 48%, transparent 54% 100%);
      pointer-events:none;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr 390px;
      gap:34px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-panel p{margin-top:14px;color:#d3deeb}
    .subscribe-box{
      padding:18px;
      border-radius:24px;
      background:rgba(7,17,31,.46);
      border:1px solid rgba(148,163,184,.18);
    }
    .form-control{
      min-height:52px;
      color:#fff!important;
      background:rgba(255,255,255,.07)!important;
      border:1px solid rgba(148,163,184,.24)!important;
      border-radius:999px!important;
      padding:12px 18px;
    }
    .form-control::placeholder{color:#7f8ea3}
    .subscribe-box .btn-glow{width:100%;margin-top:12px}
    .form-hint{
      color:var(--muted);
      font-size:13px;
      margin-top:12px;
      text-align:center;
    }

    .site-footer{
      border-top:1px solid rgba(148,163,184,.16);
      background:rgba(5,10,20,.44);
      padding:58px 0 28px;
      margin-top:30px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .8fr .8fr;
      gap:36px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:820;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-text{color:#9fb0c4;max-width:460px}
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#aebcd0;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .domain-pill{
      display:inline-flex;
      padding:9px 13px;
      border-radius:999px;
      color:#dbeafe;
      background:rgba(56,189,248,.08);
      border:1px solid rgba(56,189,248,.18);
      margin-top:4px;
    }
    .footer-bottom{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.14);
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      color:#8492a6;
      font-size:14px;
    }

    @media (max-width:1199px){
      .hero-grid{grid-template-columns:1fr .88fr;gap:36px}
      .player-panel{width:100%}
      .floating-card.one{left:-12px}
      .floating-card.two{right:0}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-main{grid-column:1 / -1;grid-row:auto;min-height:auto}
    }
    @media (max-width:991px){
      .navbar-collapse{
        padding:18px;
        margin-top:12px;
        border-radius:24px;
        background:rgba(7,17,31,.92);
        border:1px solid rgba(148,163,184,.18);
        box-shadow:0 20px 60px rgba(0,0,0,.28);
      }
      .navbar-nav{align-items:stretch}
      .nav-link{padding:12px 14px!important}
      .nav-cta{width:100%;margin-top:8px}
      .hero{min-height:auto;padding:70px 0 64px}
      .hero-grid{grid-template-columns:1fr}
      .cinema-console{min-height:500px;max-width:560px;margin:auto;width:100%}
      .stats-wrap{grid-template-columns:repeat(2,1fr)}
      .stat-item:nth-child(2){border-right:0}
      .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(148,163,184,.16)}
      .topic-grid,.case-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}
      .price-card.featured{transform:none}
      .price-card.featured:hover{transform:translateY(-6px)}
      .cta-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1 / -1}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 28px, var(--max))}
      .section{padding:68px 0}
      .section-tight{padding:54px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .navbar-brand{max-width:280px;font-size:15px}
      .brand-copy small{font-size:11px}
      .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
      .cinema-console{min-height:430px}
      .player-panel{position:relative;inset:auto;transform:none}
      .player-screen{height:205px}
      .floating-card{display:none}
      .stats-wrap{grid-template-columns:1fr}
      .stat-item{border-right:0!important;border-bottom:1px solid rgba(148,163,184,.16)}
      .stat-item:last-child{border-bottom:0}
      .bento-grid,.topic-grid,.case-grid,.pricing-grid{grid-template-columns:1fr}
      .bento-main,.bento-card,.case-card,.price-card{padding:24px}
      .tag-row-card{display:block}
      .tag-row-card .btn-ghost{margin-top:18px;width:100%}
      .scenario{grid-template-columns:58px 1fr;gap:12px}
      .timeline::before{left:28px}
      .scenario-card{grid-template-columns:1fr;padding:22px}
      .scenario-card .btn-ghost{width:100%}
      .cta-panel{padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      h1{font-size:36px;letter-spacing:-.04em}
      .lead{font-size:16px}
      .hero{padding-top:52px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .player-panel{padding:16px;border-radius:26px}
      .player-screen{border-radius:21px;height:178px}
      .play-orb{width:64px;height:64px;font-size:28px}
      .console-title{display:block}
      .hot-badge{margin-top:10px}
      .topic-card{padding:20px}
      .abstract-thumb{height:100px}
      .btn-glow,.btn-ghost{min-height:50px;padding:12px 18px}
      .cta-panel{border-radius:26px}
    }

/* roulang page: category1 */
:root{
      --bg:#07111f;
      --bg-2:#0b1020;
      --bg-3:#111827;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.105);
      --line:rgba(148,163,184,.22);
      --line-bright:rgba(56,189,248,.44);
      --text:#CBD5E1;
      --title:#F8FAFC;
      --muted:#94A3B8;
      --blue:#38BDF8;
      --blue-2:#3B82F6;
      --purple:#8B5CF6;
      --pink:#C084FC;
      --amber:#F59E0B;
      --green:#34D399;
      --radius-sm:14px;
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(56,189,248,.12);
      --shadow-purple:0 28px 90px rgba(139,92,246,.16);
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%,rgba(56,189,248,.18),transparent 34%),
        radial-gradient(circle at 88% 12%,rgba(192,132,252,.16),transparent 32%),
        radial-gradient(circle at 65% 70%,rgba(59,130,246,.10),transparent 36%),
        linear-gradient(135deg,var(--bg) 0%,var(--bg-2) 50%,#090916 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,.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,.7),transparent 85%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.14;
      background:
        repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0,rgba(255,255,255,.025) 1px,transparent 1px,transparent 7px);
      mix-blend-mode:screen;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(56,189,248,.35);color:#fff}
    .site-container{
      width:min(100% - 40px,1200px);
      margin-inline:auto;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .section-head{
      max-width:760px;
      margin-bottom:36px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(56,189,248,.25);
      border-radius:999px;
      background:rgba(56,189,248,.08);
      color:#BAE6FD;
      font-size:13px;
      letter-spacing:.04em;
      margin-bottom:18px;
    }
    h1,h2,h3,h4{color:var(--title);line-height:1.16;margin:0}
    h1{
      font-size:clamp(36px,5vw,60px);
      font-weight:800;
      letter-spacing:-.045em;
    }
    h2{
      font-size:clamp(28px,3.6vw,42px);
      font-weight:800;
      letter-spacing:-.03em;
    }
    h3{font-size:23px;font-weight:760}
    p{margin:0}
    .lead{
      font-size:18px;
      color:var(--text);
      max-width:730px;
      margin-top:20px;
    }
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px) saturate(140%);
      background:rgba(7,17,31,.76);
      border-bottom:1px solid rgba(148,163,184,.16);
      box-shadow:0 18px 70px rgba(0,0,0,.18);
    }
    .navbar{padding:14px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--title)!important;
      margin:0;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:white;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 0 28px rgba(56,189,248,.35);
      flex:0 0 auto;
    }
    .brand-mark i{font-size:23px;line-height:1}
    .brand-copy{
      display:flex;
      flex-direction:column;
      font-size:17px;
      font-weight:800;
      letter-spacing:-.02em;
      line-height:1.2;
    }
    .brand-copy small{
      margin-top:2px;
      color:var(--muted);
      font-size:12px;
      font-weight:500;
      letter-spacing:0;
    }
    .navbar-nav{
      align-items:center;
      gap:8px;
    }
    .nav-link{
      position:relative;
      color:#DDE8F6!important;
      padding:10px 14px!important;
      border-radius:999px;
      font-size:15px;
      font-weight:650;
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:0;
      height:2px;
      transform:translateX(-50%);
      border-radius:999px;
      background:linear-gradient(90deg,var(--blue),var(--pink));
      transition:width .22s ease;
    }
    .nav-link:hover{
      color:#E0F2FE!important;
      background:rgba(255,255,255,.06);
    }
    .nav-link:hover:after{width:32px}
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,rgba(56,189,248,.22),rgba(139,92,246,.22));
      border:1px solid rgba(56,189,248,.28);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 17px;
      border-radius:999px;
      color:#fff!important;
      font-weight:760;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      box-shadow:0 12px 35px rgba(59,130,246,.26);
      border:1px solid rgba(255,255,255,.12);
      white-space:nowrap;
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      filter:brightness(1.08);
      box-shadow:0 18px 42px rgba(139,92,246,.32);
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler-icon{
      width:22px;
      height:22px;
      background-image:none;
      position:relative;
    }
    .navbar-toggler-icon:before,
    .navbar-toggler-icon:after,
    .navbar-toggler-icon{
      border-top:2px solid #E2E8F0;
    }
    .navbar-toggler-icon:before,
    .navbar-toggler-icon:after{
      content:"";
      position:absolute;
      left:0;
      width:22px;
    }
    .navbar-toggler-icon:before{top:6px}
    .navbar-toggler-icon:after{top:14px}
    .btn-glow,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 22px;
      border-radius:999px;
      font-weight:760;
      transition:all .25s ease;
      border:1px solid transparent;
    }
    .btn-glow{
      color:#fff;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      box-shadow:0 18px 50px rgba(56,189,248,.24);
    }
    .btn-glow:hover{
      color:#fff;
      transform:translateY(-3px);
      filter:brightness(1.08);
      box-shadow:0 22px 60px rgba(139,92,246,.35);
    }
    .btn-ghost{
      color:#E2E8F0;
      background:rgba(255,255,255,.055);
      border-color:rgba(148,163,184,.24);
      backdrop-filter:blur(14px);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(56,189,248,.45);
      background:rgba(56,189,248,.10);
      transform:translateY(-3px);
    }
    .btn-glow:focus-visible,.btn-ghost:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,input:focus-visible{
      outline:3px solid rgba(56,189,248,.35);
      outline-offset:3px;
    }
    .category-hero{
      padding:88px 0 68px;
      position:relative;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      right:-120px;
      top:60px;
      width:520px;
      height:520px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(139,92,246,.26),transparent 62%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      padding:32px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      backdrop-filter:blur(20px) saturate(135%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:auto -20% -38% 10%;
      height:230px;
      background:radial-gradient(ellipse at center,rgba(56,189,248,.22),transparent 60%);
      pointer-events:none;
    }
    .filter-orbit{
      position:relative;
      min-height:390px;
      border-radius:30px;
      background:
        radial-gradient(circle at 35% 20%,rgba(56,189,248,.20),transparent 30%),
        linear-gradient(145deg,rgba(15,23,42,.92),rgba(30,41,59,.54));
      border:1px solid rgba(148,163,184,.22);
      overflow:hidden;
      padding:26px;
    }
    .filter-orbit:before{
      content:"";
      position:absolute;
      inset:22px;
      border:1px dashed rgba(56,189,248,.20);
      border-radius:28px;
    }
    .screen-card{
      position:relative;
      z-index:2;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      border-radius:24px;
      padding:20px;
      box-shadow:0 18px 60px rgba(0,0,0,.22);
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .dot-row{display:flex;gap:7px}
    .dot-row span{
      width:9px;height:9px;border-radius:50%;
      background:var(--blue);
      opacity:.85;
    }
    .dot-row span:nth-child(2){background:var(--purple)}
    .dot-row span:nth-child(3){background:var(--amber)}
    .visual-title{
      color:#fff;
      font-size:17px;
      font-weight:780;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0;
    }
    .tag,.filter-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.075);
      border:1px solid rgba(148,163,184,.22);
      color:#E2E8F0;
      font-size:13px;
      font-weight:650;
      transition:all .24s ease;
    }
    .tag.hot,.filter-pill.active{
      color:#fff;
      border-color:rgba(245,158,11,.36);
      background:rgba(245,158,11,.14);
    }
    .tag:hover,.filter-pill:hover{
      transform:translateY(-2px);
      border-color:rgba(56,189,248,.46);
      background:rgba(56,189,248,.12);
    }
    .mini-list{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .mini-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(15,23,42,.62);
      border:1px solid rgba(148,163,184,.18);
    }
    .mini-row strong{color:#F8FAFC}
    .mini-row span{font-size:13px;color:var(--muted)}
    .stats-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:28px;
    }
    .stat-card{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      backdrop-filter:blur(16px);
    }
    .stat-card strong{
      display:block;
      color:#fff;
      font-size:26px;
      line-height:1;
      margin-bottom:6px;
    }
    .stat-card span{
      color:var(--muted);
      font-size:13px;
    }
    .filter-wrap{
      padding:18px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(16px);
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      margin-top:32px;
    }
    .filter-group{display:flex;flex-wrap:wrap;gap:10px}
    .search-pill{
      min-width:min(100%,300px);
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.22);
      background:rgba(7,17,31,.52);
      color:var(--muted);
      font-size:14px;
    }
    .content-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .drama-card{
      position:relative;
      overflow:hidden;
      min-height:100%;
      border-radius:28px;
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      backdrop-filter:blur(18px) saturate(130%);
      transition:all .26s ease;
    }
    .drama-card:hover{
      transform:translateY(-7px);
      border-color:rgba(56,189,248,.42);
      background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.06));
      box-shadow:var(--shadow);
    }
    .thumb{
      height:150px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 22% 25%,rgba(56,189,248,.42),transparent 28%),
        radial-gradient(circle at 76% 12%,rgba(192,132,252,.34),transparent 26%),
        linear-gradient(135deg,rgba(15,23,42,.96),rgba(49,46,129,.48));
    }
    .thumb:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(90deg,transparent 0 12%,rgba(255,255,255,.10) 12% 13%,transparent 13% 28%,rgba(255,255,255,.10) 28% 29%,transparent 29%),
        rgba(255,255,255,.035);
    }
    .thumb .play{
      position:absolute;
      right:22px;
      bottom:20px;
      width:46px;
      height:46px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 0 28px rgba(56,189,248,.36);
    }
    .drama-body{padding:22px}
    .meta-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:760;
      color:#DFF6FF;
      background:rgba(56,189,248,.10);
      border:1px solid rgba(56,189,248,.25);
    }
    .time{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .drama-card h3{
      font-size:20px;
      margin-bottom:10px;
    }
    .drama-card p{
      color:var(--muted);
      font-size:15px;
      min-height:78px;
    }
    .card-action{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(148,163,184,.15);
    }
    .card-action a{
      color:#BAE6FD;
      font-weight:760;
      font-size:14px;
    }
    .card-action a:hover{color:#fff}
    .card-action i{color:var(--blue)}
    .banner{
      border-radius:var(--radius-lg);
      border:1px solid rgba(56,189,248,.26);
      background:
        radial-gradient(circle at 10% 20%,rgba(56,189,248,.22),transparent 32%),
        radial-gradient(circle at 90% 20%,rgba(139,92,246,.22),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:var(--shadow-purple);
      padding:38px;
      overflow:hidden;
      position:relative;
    }
    .banner:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-120px;
      width:320px;
      height:320px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(192,132,252,.28),transparent 62%);
    }
    .banner-content{position:relative;z-index:1}
    .banner-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:24px;
    }
    .point{
      padding:18px;
      border-radius:22px;
      background:rgba(7,17,31,.42);
      border:1px solid rgba(148,163,184,.18);
    }
    .point i{
      color:var(--blue);
      font-size:22px;
      margin-bottom:10px;
    }
    .point strong{display:block;color:#fff;margin-bottom:5px}
    .point span{font-size:14px;color:var(--muted)}
    .related-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .related-card{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      transition:all .25s ease;
    }
    .related-card:hover{
      transform:translateY(-6px);
      border-color:rgba(192,132,252,.36);
      background:rgba(255,255,255,.09);
    }
    .related-card i{
      display:grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:14px;
      color:#fff;
      background:linear-gradient(135deg,rgba(56,189,248,.8),rgba(139,92,246,.8));
      margin-bottom:16px;
    }
    .related-card h3{font-size:18px;margin-bottom:8px}
    .related-card p{font-size:14px;color:var(--muted)}
    .faq-wrap{
      max-width:900px;
      margin:auto;
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      color:var(--text);
      background:rgba(255,255,255,.065);
      border:1px solid var(--line);
      border-radius:22px!important;
      overflow:hidden;
      backdrop-filter:blur(16px);
    }
    .accordion-button{
      color:#F8FAFC;
      background:transparent;
      box-shadow:none!important;
      padding:20px 22px;
      font-weight:760;
      border-radius:22px!important;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:rgba(56,189,248,.08);
    }
    .accordion-button:after{
      filter:invert(1) grayscale(1);
      opacity:.75;
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
    }
    .cta-panel{
      text-align:center;
      padding:52px 30px;
      border-radius:36px;
      border:1px solid rgba(56,189,248,.28);
      background:
        radial-gradient(circle at 20% 10%,rgba(56,189,248,.18),transparent 30%),
        radial-gradient(circle at 80% 0%,rgba(192,132,252,.18),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:var(--shadow);
    }
    .cta-panel p{
      max-width:720px;
      margin:16px auto 26px;
      color:var(--text);
    }
    .cta-actions{
      display:flex;
      justify-content:center;
      gap:14px;
      flex-wrap:wrap;
    }
    .site-footer{
      border-top:1px solid rgba(148,163,184,.16);
      padding:56px 0 28px;
      background:rgba(3,7,18,.72);
      backdrop-filter:blur(18px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr;
      gap:36px;
      padding-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-text{
      color:var(--muted);
      max-width:560px;
      font-size:15px;
    }
    .footer-title{
      color:#fff;
      font-weight:780;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      display:inline-flex;
      align-items:center;
      gap:4px;
    }
    .footer-links a:hover{
      color:#BAE6FD;
      transform:translateX(3px);
    }
    .domain-pill{
      display:inline-flex;
      margin-top:12px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(56,189,248,.08);
      border:1px solid rgba(56,189,248,.22);
      color:#BAE6FD;
      font-weight:700;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.14);
      color:var(--muted);
      font-size:14px;
    }
    @media (max-width: 1199px){
      .content-grid{grid-template-columns:repeat(2,1fr)}
      .related-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 991px){
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border:1px solid var(--line);
        border-radius:24px;
        background:rgba(7,17,31,.94);
      }
      .navbar-nav{align-items:stretch}
      .nav-link,.nav-cta{justify-content:center}
      .category-hero{padding-top:58px}
      .filter-orbit{min-height:330px;margin-top:26px}
      .stats-strip{grid-template-columns:repeat(2,1fr)}
      .banner-points{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 767px){
      .site-container{width:min(100% - 28px,1200px)}
      .section{padding:66px 0}
      .section-tight{padding:54px 0}
      .brand-copy{font-size:15px}
      .brand-copy small{display:none}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .hero-panel{padding:22px;border-radius:28px}
      .filter-orbit{padding:18px;border-radius:24px}
      .stats-strip,.content-grid,.related-grid{grid-template-columns:1fr}
      .filter-wrap{align-items:stretch}
      .search-pill{width:100%}
      .thumb{height:132px}
      .banner{padding:26px;border-radius:28px}
      .cta-panel{padding:36px 20px;border-radius:28px}
      .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 520px){
      h1{font-size:34px;letter-spacing:-.035em}
      .lead{font-size:16px}
      .filter-group{width:100%}
      .filter-pill{flex:1 1 auto;justify-content:center}
      .drama-card p{min-height:auto}
      .meta-line{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category2 */
:root{
      --bg-0:#07111f;
      --bg-1:#0b1020;
      --bg-2:#111827;
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --soft:#94A3B8;
      --line:rgba(148,163,184,.22);
      --line-strong:rgba(148,163,184,.36);
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.105);
      --blue:#38BDF8;
      --blue-2:#3B82F6;
      --purple:#8B5CF6;
      --pink:#C084FC;
      --gold:#F59E0B;
      --green:#34D399;
      --danger-soft:#FB7185;
      --radius-sm:14px;
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(56,189,248,.13);
      --shadow-purple:0 26px 90px rgba(139,92,246,.17);
      --container:1200px;
      --header-h:78px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(56,189,248,.23), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(192,132,252,.18), transparent 30%),
        radial-gradient(circle at 50% 92%, rgba(59,130,246,.12), transparent 38%),
        linear-gradient(135deg,var(--bg-0),var(--bg-1) 46%,#080813 100%);
      min-height:100vh;
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      opacity:.34;
      background-image:
        linear-gradient(115deg, transparent 0%, rgba(255,255,255,.045) 42%, transparent 43%),
        repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 5px);
      mix-blend-mode:screen;
    }
    body:after{
      content:"";
      position:fixed;
      inset:-30%;
      pointer-events:none;
      z-index:-1;
      background:
        radial-gradient(circle, rgba(56,189,248,.09) 0 1px, transparent 1.5px 100%);
      background-size:34px 34px;
      opacity:.18;
      transform:rotate(-8deg);
    }

    a{color:inherit;text-decoration:none;transition:all .24s ease}
    a:hover{color:var(--blue)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    input:focus,button:focus,a:focus{
      outline:2px solid rgba(56,189,248,.55);
      outline-offset:3px;
    }

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px) saturate(150%);
      background:rgba(7,17,31,.72);
      border-bottom:1px solid rgba(148,163,184,.16);
      box-shadow:0 12px 40px rgba(0,0,0,.16);
    }
    .navbar{
      min-height:var(--header-h);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--text);
      margin:0;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      flex:0 0 44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#fff;
      font-size:22px;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 12px 32px rgba(56,189,248,.28), inset 0 0 18px rgba(255,255,255,.18);
    }
    .brand-copy{
      display:flex;
      flex-direction:column;
      font-weight:800;
      letter-spacing:.01em;
      line-height:1.18;
      font-size:17px;
      white-space:nowrap;
    }
    .brand-copy small{
      margin-top:4px;
      color:var(--soft);
      font-weight:500;
      font-size:12px;
      letter-spacing:.03em;
    }
    .navbar-nav{
      align-items:center;
      gap:8px;
    }
    .nav-link{
      color:var(--muted);
      font-weight:650;
      font-size:15px;
      padding:10px 15px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--blue),var(--pink));
      transform:scaleX(0);
      transform-origin:center;
      transition:transform .22s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.055);
    }
    .nav-link:hover:after{transform:scaleX(1)}
    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,rgba(56,189,248,.22),rgba(139,92,246,.25));
      border:1px solid rgba(56,189,248,.24);
      box-shadow:0 12px 36px rgba(56,189,248,.09);
    }
    .nav-link.active:after{display:none}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin-left:6px;
      padding:10px 18px;
      color:#fff;
      font-weight:750;
      border-radius:999px;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      box-shadow:0 16px 38px rgba(59,130,246,.24);
      border:1px solid rgba(255,255,255,.14);
    }
    .nav-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 50px rgba(56,189,248,.34);
      filter:brightness(1.07);
    }
    .navbar-toggler{
      border:1px solid rgba(148,163,184,.26);
      border-radius:14px;
      padding:9px 11px;
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .22rem rgba(56,189,248,.18)}
    .navbar-toggler-icon{
      filter:invert(1) grayscale(1) brightness(1.8);
    }

    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#DDF7FF;
      font-size:13px;
      font-weight:800;
      letter-spacing:.04em;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(56,189,248,.10);
      border:1px solid rgba(56,189,248,.25);
      box-shadow:inset 0 0 20px rgba(56,189,248,.045);
    }
    .section-title{
      margin:16px 0 12px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#BAE6FD 35%,#D8B4FE 76%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .btn-glow,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      padding:13px 22px;
      font-weight:800;
      border:1px solid transparent;
      min-height:50px;
      transition:all .24s ease;
    }
    .btn-glow{
      color:#fff;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      box-shadow:0 18px 50px rgba(59,130,246,.27);
    }
    .btn-glow:hover{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 26px 70px rgba(56,189,248,.34);
      filter:brightness(1.08);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.065);
      border-color:rgba(148,163,184,.25);
      backdrop-filter:blur(12px);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(255,255,255,.1);
      border-color:rgba(56,189,248,.45);
      transform:translateY(-3px);
    }

    .guide-hero{
      padding:92px 0 58px;
      min-height:680px;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .hero-panel{
      position:relative;
      border-radius:var(--radius-lg);
      padding:34px;
      background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.052));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px) saturate(135%);
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:inherit;
      padding:1px;
      background:linear-gradient(135deg,rgba(56,189,248,.65),rgba(192,132,252,.25),rgba(245,158,11,.18));
      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);
      mask-composite:exclude;
      -webkit-mask-composite:xor;
      pointer-events:none;
      opacity:.65;
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5.4vw,60px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.045em;
    }
    .hero-lead{
      color:var(--muted);
      font-size:18px;
      max-width:680px;
      margin:0 0 28px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(148,163,184,.18);
      font-size:13px;
      font-weight:700;
    }
    .mini-badge i{color:var(--blue)}

    .process-console{
      position:relative;
      min-height:520px;
    }
    .guide-device{
      position:relative;
      padding:20px;
      border-radius:34px;
      background:linear-gradient(145deg,rgba(15,23,42,.78),rgba(30,41,59,.36));
      border:1px solid rgba(148,163,184,.25);
      box-shadow:0 30px 120px rgba(0,0,0,.28), var(--shadow-purple);
      overflow:hidden;
      backdrop-filter:blur(18px);
    }
    .guide-device:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-90px;
      top:-80px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(56,189,248,.32),transparent 68%);
    }
    .device-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:8px 8px 18px;
      border-bottom:1px solid rgba(148,163,184,.18);
      position:relative;
      z-index:1;
    }
    .traffic{
      display:flex;
      gap:7px;
    }
    .traffic span{
      width:10px;height:10px;border-radius:50%;
      background:rgba(148,163,184,.48);
    }
    .traffic span:nth-child(1){background:#FB7185}
    .traffic span:nth-child(2){background:#F59E0B}
    .traffic span:nth-child(3){background:#34D399}
    .device-status{
      color:var(--soft);
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .screen-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:16px;
      padding-top:18px;
    }
    .screen-main{
      min-height:314px;
      padding:20px;
      border-radius:24px;
      background:
        linear-gradient(145deg,rgba(56,189,248,.16),rgba(139,92,246,.13)),
        rgba(255,255,255,.055);
      border:1px solid rgba(56,189,248,.22);
      position:relative;
      overflow:hidden;
    }
    .screen-main:after{
      content:"";
      position:absolute;
      left:-20%;
      bottom:-30%;
      width:220px;height:220px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(192,132,252,.25),transparent 70%);
    }
    .play-orbit{
      width:84px;
      height:84px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:#fff;
      font-size:36px;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 18px 56px rgba(56,189,248,.35);
      margin-bottom:24px;
    }
    .screen-title{
      position:relative;
      z-index:2;
      font-size:22px;
      line-height:1.25;
      font-weight:850;
      margin-bottom:10px;
    }
    .screen-text{
      position:relative;
      z-index:2;
      color:var(--muted);
      font-size:14px;
      margin:0 0 18px;
    }
    .signal-row{
      position:relative;
      z-index:2;
      display:grid;
      gap:9px;
    }
    .signal{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      overflow:hidden;
    }
    .signal span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--blue),var(--pink));
    }
    .screen-side{
      display:grid;
      gap:14px;
    }
    .side-tile{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(148,163,184,.2);
      background:rgba(255,255,255,.062);
    }
    .side-tile strong{
      display:block;
      margin-bottom:7px;
      font-size:15px;
    }
    .side-tile p{
      margin:0;
      color:var(--soft);
      font-size:13px;
      line-height:1.6;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .tag-cloud span{
      padding:6px 9px;
      border-radius:999px;
      font-size:12px;
      color:#E0F2FE;
      background:rgba(56,189,248,.12);
      border:1px solid rgba(56,189,248,.20);
    }

    .glass-card{
      height:100%;
      border-radius:var(--radius);
      padding:26px;
      background:linear-gradient(145deg,var(--card-strong),rgba(255,255,255,.045));
      border:1px solid var(--line);
      box-shadow:0 20px 70px rgba(0,0,0,.14);
      backdrop-filter:blur(18px) saturate(130%);
      transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
    }
    .glass-card:hover{
      transform:translateY(-6px);
      border-color:rgba(56,189,248,.45);
      background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.065));
      box-shadow:var(--shadow);
    }
    .icon-box{
      width:48px;height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#fff;
      font-size:22px;
      background:linear-gradient(135deg,rgba(56,189,248,.9),rgba(139,92,246,.9));
      box-shadow:0 14px 36px rgba(56,189,248,.18);
      margin-bottom:16px;
    }
    .card-title{
      font-size:21px;
      font-weight:850;
      line-height:1.25;
      margin-bottom:10px;
    }
    .card-text{
      color:var(--muted);
      margin:0;
      font-size:15.5px;
    }

    .step-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
      counter-reset:step;
    }
    .step-card{
      position:relative;
      overflow:hidden;
      min-height:235px;
    }
    .step-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:15px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      box-shadow:0 12px 32px rgba(59,130,246,.22);
      margin-bottom:18px;
    }
    .step-card:after{
      content:"";
      position:absolute;
      right:-36px;
      top:-36px;
      width:100px;height:100px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(56,189,248,.18),transparent 70%);
      pointer-events:none;
    }

    .advantage-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
      margin-top:34px;
    }
    .feature-stack{
      display:grid;
      gap:16px;
    }
    .feature-line{
      display:flex;
      gap:16px;
      padding:20px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      transition:all .24s ease;
    }
    .feature-line:hover{
      transform:translateX(5px);
      border-color:rgba(192,132,252,.36);
      background:rgba(255,255,255,.09);
    }
    .feature-line i{
      width:40px;height:40px;
      flex:0 0 40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      color:#fff;
      background:rgba(56,189,248,.16);
      border:1px solid rgba(56,189,248,.24);
      font-size:19px;
    }
    .feature-line h3{
      margin:0 0 5px;
      font-size:18px;
      font-weight:850;
    }
    .feature-line p{
      margin:0;
      color:var(--muted);
      font-size:14.5px;
      line-height:1.65;
    }
    .cinema-board{
      min-height:100%;
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:28px;
      border:1px solid rgba(56,189,248,.24);
      background:
        linear-gradient(145deg,rgba(56,189,248,.12),rgba(139,92,246,.13)),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow-purple);
    }
    .cinema-board:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:34px 34px;
      opacity:.3;
      mask-image:linear-gradient(180deg,#000,transparent);
    }
    .board-content{position:relative;z-index:1}
    .board-kpi{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:24px;
    }
    .kpi{
      border-radius:22px;
      padding:20px;
      background:rgba(7,17,31,.45);
      border:1px solid rgba(148,163,184,.2);
    }
    .kpi strong{
      display:block;
      font-size:30px;
      line-height:1;
      color:#BAE6FD;
      margin-bottom:8px;
    }
    .kpi span{
      color:var(--soft);
      font-size:13px;
      font-weight:700;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      margin-top:34px;
    }
    .compare-card{
      border-radius:var(--radius-lg);
      padding:28px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.062);
      backdrop-filter:blur(18px);
    }
    .compare-card.highlight{
      border-color:rgba(56,189,248,.35);
      background:linear-gradient(145deg,rgba(56,189,248,.13),rgba(139,92,246,.11));
      box-shadow:var(--shadow);
    }
    .compare-card h3{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 18px;
      font-weight:850;
      font-size:24px;
    }
    .compare-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:14px;
    }
    .compare-list li{
      display:flex;
      gap:12px;
      color:var(--muted);
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.048);
      border:1px solid rgba(148,163,184,.13);
    }
    .compare-list i{
      color:var(--soft);
      margin-top:3px;
    }
    .highlight .compare-list i{color:var(--green)}

    .timeline{
      position:relative;
      margin-top:36px;
      display:grid;
      gap:18px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:25px;
      top:12px;
      bottom:12px;
      width:2px;
      background:linear-gradient(var(--blue),var(--purple),transparent);
      opacity:.65;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:52px 1fr;
      gap:18px;
      align-items:start;
    }
    .timeline-dot{
      width:52px;height:52px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:20px;
      background:linear-gradient(135deg,var(--blue-2),var(--purple));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 14px 38px rgba(56,189,248,.2);
      z-index:1;
    }
    .timeline-box{
      padding:23px;
      border-radius:24px;
      background:rgba(255,255,255,.065);
      border:1px solid var(--line);
      transition:all .24s ease;
    }
    .timeline-box:hover{
      border-color:rgba(56,189,248,.4);
      transform:translateY(-4px);
    }
    .timeline-box h3{
      margin:0 0 7px;
      font-size:20px;
      font-weight:850;
    }
    .timeline-box p{
      margin:0;
      color:var(--muted);
      font-size:15.5px;
    }

    .subscribe-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:34px;
      border:1px solid rgba(56,189,248,.26);
      background:
        radial-gradient(circle at 85% 20%,rgba(192,132,252,.22),transparent 34%),
        linear-gradient(135deg,rgba(56,189,248,.13),rgba(255,255,255,.055));
      box-shadow:var(--shadow);
    }
    .subscribe-panel:after{
      content:"";
      position:absolute;
      width:260px;height:260px;
      left:-120px;bottom:-130px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(56,189,248,.23),transparent 68%);
    }
    .subscribe-form{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      margin-top:24px;
      max-width:760px;
    }
    .subscribe-input{
      flex:1;
      min-height:54px;
      border-radius:999px;
      padding:0 20px;
      color:#fff;
      background:rgba(7,17,31,.48);
      border:1px solid rgba(148,163,184,.28);
      box-shadow:inset 0 0 20px rgba(0,0,0,.12);
    }
    .subscribe-input::placeholder{color:rgba(203,213,225,.7)}
    .subscribe-input:focus{
      border-color:rgba(56,189,248,.72);
      box-shadow:0 0 0 4px rgba(56,189,248,.14), inset 0 0 20px rgba(0,0,0,.08);
      outline:none;
    }
    .form-note{
      position:relative;
      z-index:1;
      color:var(--soft);
      font-size:13px;
      margin:12px 0 0;
    }

    .accordion{
      margin-top:34px;
      display:grid;
      gap:14px;
    }
    .accordion-item{
      overflow:hidden;
      border-radius:22px!important;
      border:1px solid var(--line)!important;
      background:rgba(255,255,255,.062)!important;
      color:var(--text);
      backdrop-filter:blur(18px);
    }
    .accordion-button{
      color:var(--text)!important;
      background:transparent!important;
      box-shadow:none!important;
      font-weight:850;
      font-size:17px;
      padding:20px 22px;
    }
    .accordion-button:after{
      filter:invert(1) brightness(2);
      opacity:.72;
    }
    .accordion-button:not(.collapsed){
      color:#E0F2FE!important;
      border-bottom:1px solid rgba(148,163,184,.15);
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 22px 22px;
      font-size:15.5px;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      padding:46px;
      text-align:center;
      border:1px solid rgba(148,163,184,.24);
      background:
        radial-gradient(circle at 20% 20%,rgba(56,189,248,.25),transparent 30%),
        radial-gradient(circle at 82% 12%,rgba(139,92,246,.28),transparent 32%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.055));
      box-shadow:0 28px 100px rgba(56,189,248,.15);
      backdrop-filter:blur(18px) saturate(130%);
    }
    .cta-panel h2{
      margin:0 auto 12px;
      max-width:820px;
      font-size:clamp(28px,4vw,44px);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .cta-panel p{
      max-width:760px;
      margin:0 auto 26px;
      color:var(--muted);
      font-size:17px;
    }
    .cta-actions{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:14px;
    }

    .site-footer{
      padding:54px 0 28px;
      border-top:1px solid rgba(148,163,184,.18);
      background:rgba(3,7,18,.38);
      backdrop-filter:blur(16px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .75fr .8fr;
      gap:34px;
      padding-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-text{
      color:var(--soft);
      margin:0;
      max-width:560px;
      font-size:14.5px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      color:var(--muted);
      font-size:14.5px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .domain-pill{
      display:inline-flex;
      margin-top:12px;
      padding:9px 12px;
      border-radius:999px;
      color:#E0F2FE;
      background:rgba(56,189,248,.10);
      border:1px solid rgba(56,189,248,.22);
      font-weight:800;
      font-size:13px;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.16);
      color:var(--soft);
      font-size:13px;
    }

    @media (max-width:1199px){
      .site-container{width:min(100% - 34px, var(--container))}
      .guide-hero{min-height:auto;padding-top:74px}
      .screen-grid{grid-template-columns:1fr}
      .step-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:24px;
        background:rgba(7,17,31,.92);
        border:1px solid rgba(148,163,184,.18);
        box-shadow:0 20px 60px rgba(0,0,0,.24);
      }
      .navbar-nav{align-items:stretch;gap:6px}
      .nav-link,.nav-cta{width:100%;justify-content:flex-start;margin-left:0}
      .guide-hero{padding:62px 0 40px}
      .hero-panel{padding:28px}
      .process-console{min-height:auto;margin-top:22px}
      .advantage-wrap,.compare-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 28px, var(--container))}
      .section{padding:68px 0}
      .section-tight{padding:56px 0}
      .brand-copy{font-size:15px;white-space:normal}
      .brand-copy small{font-size:11px}
      .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:14px}
      .hero h1{font-size:clamp(34px,10vw,42px)}
      .hero-lead,.section-desc{font-size:16px}
      .hero-actions,.subscribe-form{flex-direction:column}
      .btn-glow,.btn-ghost,.subscribe-form .btn-glow{width:100%}
      .hero-panel{padding:24px;border-radius:28px}
      .step-grid{grid-template-columns:1fr}
      .board-kpi{grid-template-columns:1fr}
      .timeline:before{left:21px}
      .timeline-item{grid-template-columns:44px 1fr;gap:14px}
      .timeline-dot{width:44px;height:44px;border-radius:15px}
      .subscribe-panel,.cta-panel{padding:28px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 22px, var(--container))}
      .navbar{min-height:70px}
      .section-title{font-size:28px}
      .glass-card,.compare-card{padding:22px}
      .screen-main{min-height:280px;padding:18px}
      .device-top{align-items:flex-start}
      .hero-badges{display:grid;grid-template-columns:1fr}
      .mini-badge{justify-content:flex-start}
      .footer-brand{align-items:flex-start}
    }