/* roulang page: index */
:root{
      --bg:#08090F;
      --bg-2:#0B0D14;
      --panel:#11131D;
      --panel-2:#171A27;
      --text:#F7F8FC;
      --muted:#AAB0C0;
      --weak:#6F7688;
      --primary:#8B5CF6;
      --accent:#18F2B2;
      --pink:#FF4FD8;
      --warn:#FFD166;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(24,242,178,.45);
      --shadow:0 24px 80px rgba(0,0,0,.45);
      --glow:0 0 24px rgba(24,242,178,.22),0 0 36px rgba(139,92,246,.18);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%,rgba(139,92,246,.20),transparent 34%),
        radial-gradient(circle at 82% 18%,rgba(24,242,178,.13),transparent 28%),
        linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),
        var(--bg);
      background-size:auto,auto,44px 44px,44px 44px,auto;
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(128deg,transparent 0 20%,rgba(24,242,178,.06) 20.2%,transparent 20.5% 58%,rgba(139,92,246,.06) 58.2%,transparent 58.5%),
        radial-gradient(circle at 50% 100%,rgba(255,79,216,.08),transparent 40%);
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(24,242,178,.5);outline-offset:3px;border-radius:12px}
    ::selection{background:rgba(24,242,178,.25);color:#fff}

    .container{
      width:min(100% - 48px,var(--container));
      margin-inline:auto;
    }
    .section{padding:104px 0}
    .section-tight{padding:76px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(24,242,178,.25);
      border-radius:999px;
      background:rgba(24,242,178,.07);
      color:var(--accent);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 14px rgba(24,242,178,.7);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:24px;
      font-size:clamp(34px,5vw,60px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.045em;
    }
    h2{
      margin-bottom:18px;
      font-size:clamp(30px,3.4vw,42px);
      line-height:1.2;
      font-weight:850;
      letter-spacing:-.03em;
    }
    h3{
      margin-bottom:12px;
      font-size:22px;
      line-height:1.35;
      font-weight:780;
    }
    p{color:var(--muted)}
    .gradient-text{
      background:linear-gradient(90deg,var(--accent),#B8A6FF 62%,var(--pink));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:74px;
      background:rgba(8,9,15,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .site-header::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-1px;height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);
      opacity:.78;
    }
    .nav-wrap{
      height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .logo-mark{
      width:42px;height:42px;
      border-radius:15px;
      position:relative;
      background:linear-gradient(145deg,rgba(139,92,246,.22),rgba(24,242,178,.14));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--glow);
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      inset:10px;
      border-left:3px solid var(--accent);
      border-bottom:3px solid var(--accent);
      border-radius:2px 2px 2px 7px;
      filter:drop-shadow(0 0 8px rgba(24,242,178,.7));
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      right:9px;top:9px;
      width:8px;height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 12px rgba(139,92,246,.8);
    }
    .logo-text strong{
      display:block;
      font-size:18px;
      line-height:1.1;
      letter-spacing:-.02em;
    }
    .logo-text span{
      display:block;
      margin-top:3px;
      color:var(--weak);
      font-size:12px;
      line-height:1.2;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .main-nav a{
      position:relative;
      padding:11px 14px;
      color:var(--muted);
      font-size:15px;
      font-weight:700;
      border-radius:999px;
      transition:.25s var(--ease);
    }
    .main-nav a:hover{
      color:var(--text);
      background:rgba(255,255,255,.06);
    }
    .main-nav a.active{
      color:var(--accent);
      background:rgba(24,242,178,.08);
    }
    .main-nav a.active::after{
      content:"";
      position:absolute;
      left:22px;right:22px;bottom:4px;height:2px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 12px rgba(24,242,178,.75);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:13px 21px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      line-height:1;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#07100D;
      background:linear-gradient(110deg,var(--accent),#5DEFD0 42%,var(--primary));
      box-shadow:0 14px 36px rgba(24,242,178,.18);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(24,242,178,.25),0 0 32px rgba(139,92,246,.18);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(24,242,178,.5);
      box-shadow:0 0 22px rgba(24,242,178,.13);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-weight:800;
    }
    .text-link span{transition:.2s var(--ease)}
    .text-link:hover span{transform:translateX(4px)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      color:var(--text);
    }
    .menu-toggle i,.menu-toggle i::before,.menu-toggle i::after{
      display:block;
      width:20px;height:2px;
      background:var(--text);
      border-radius:999px;
      margin:auto;
      position:relative;
      transition:.25s var(--ease);
    }
    .menu-toggle i::before,.menu-toggle i::after{content:"";position:absolute;left:0}
    .menu-toggle i::before{top:-7px}
    .menu-toggle i::after{top:7px}
    .menu-open .menu-toggle i{background:transparent}
    .menu-open .menu-toggle i::before{top:0;transform:rotate(45deg)}
    .menu-open .menu-toggle i::after{top:0;transform:rotate(-45deg)}

    .hero{
      position:relative;
      min-height:calc(100vh - 74px);
      display:flex;
      align-items:center;
      padding:88px 0 72px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(8,9,15,.92),rgba(8,9,15,.76) 48%,rgba(8,9,15,.9)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      opacity:.78;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-160px;top:80px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(24,242,178,.16),transparent 66%);
      filter:blur(6px);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.88fr);
      gap:58px;
      align-items:center;
    }
    .hero-copy .lead{
      max-width:690px;
      margin-bottom:30px;
      font-size:18px;
      line-height:1.85;
      color:#C7CDDA;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }
    .trust-points{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .trust-points li{
      display:flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(17,19,29,.70);
      color:var(--muted);
      font-size:14px;
    }
    .trust-points li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 12px rgba(24,242,178,.72);
    }

    .control-panel{
      position:relative;
      padding:18px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:32px;
      background:linear-gradient(180deg,rgba(17,19,29,.86),rgba(11,13,20,.92));
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .control-panel::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:32px;
      padding:1px;
      background:linear-gradient(135deg,rgba(24,242,178,.7),rgba(139,92,246,.55),transparent 56%);
      -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      pointer-events:none;
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:16px;
      padding:8px 6px 0;
    }
    .panel-title strong{display:block;font-size:17px}
    .panel-title span{display:block;color:var(--weak);font-size:13px}
    .live-dot{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:13px;
      font-weight:800;
    }
    .live-dot::before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 16px rgba(24,242,178,.8);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{50%{opacity:.35;transform:scale(.72)}}
    .match-card{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      gap:14px;
      align-items:center;
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg,rgba(139,92,246,.18),rgba(24,242,178,.08)),
        rgba(255,255,255,.04);
    }
    .team{text-align:center}
    .team-badge{
      width:58px;height:58px;
      margin:0 auto 10px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(145deg,rgba(139,92,246,.8),rgba(255,79,216,.45));
      box-shadow:0 0 24px rgba(139,92,246,.24);
    }
    .team:nth-child(3) .team-badge{
      background:linear-gradient(145deg,rgba(24,242,178,.75),rgba(139,92,246,.55));
    }
    .team span{font-size:13px;color:var(--muted)}
    .versus{
      color:var(--weak);
      font-weight:900;
      letter-spacing:.12em;
    }
    .heat{
      margin:18px 0;
      padding:18px;
      border-radius:20px;
      background:rgba(8,9,15,.48);
      border:1px solid rgba(255,255,255,.08);
    }
    .heat-row{
      display:flex;
      justify-content:space-between;
      color:var(--muted);
      font-size:13px;
      margin-bottom:10px;
    }
    .heat-bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .heat-bar span{
      display:block;height:100%;width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--accent),var(--primary));
      box-shadow:0 0 18px rgba(24,242,178,.35);
    }
    .schedule-list{
      display:grid;
      gap:10px;
    }
    .schedule-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:14px;
    }
    .schedule-item b{color:var(--text)}
    .phone-preview{
      position:absolute;
      right:16px;
      bottom:16px;
      width:118px;
      padding:10px;
      border-radius:24px;
      background:#08090F;
      border:1px solid rgba(24,242,178,.28);
      box-shadow:0 0 32px rgba(24,242,178,.16);
      transform:rotate(4deg);
    }
    .phone-screen{
      min-height:178px;
      border-radius:18px;
      background:linear-gradient(180deg,rgba(139,92,246,.24),rgba(24,242,178,.08));
      padding:12px 9px;
    }
    .phone-line{height:8px;border-radius:99px;background:rgba(255,255,255,.18);margin-bottom:10px}
    .phone-line:nth-child(2){width:72%;background:rgba(24,242,178,.55)}
    .phone-line:nth-child(3){width:88%}
    .phone-mini{
      margin-top:14px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:7px;
    }
    .phone-mini span{
      height:34px;border-radius:10px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.06);
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:30px;
      margin-bottom:38px;
    }
    .section-head p{max-width:560px;margin-bottom:0}
    .services-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-large,.card,.mini-card,.scene-card,.faq-item,.form-card,.metric-panel,.process-panel{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(17,19,29,.88),rgba(17,19,29,.64));
      box-shadow:0 18px 60px rgba(0,0,0,.22);
    }
    .feature-large{
      position:relative;
      min-height:520px;
      border-radius:var(--radius-xl);
      overflow:hidden;
    }
    .feature-large img{
      width:100%;
      height:100%;
      min-height:520px;
      object-fit:cover;
      filter:saturate(1.08) contrast(1.08);
      transition:transform .45s var(--ease);
    }
    .feature-large:hover img{transform:scale(1.04)}
    .feature-large::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(8,9,15,.18),rgba(8,9,15,.88));
    }
    .feature-content{
      position:absolute;
      left:28px;right:28px;bottom:28px;
      z-index:2;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid rgba(24,242,178,.22);
      color:var(--accent);
      background:rgba(24,242,178,.08);
      font-size:12px;
      font-weight:800;
    }
    .tag.purple{
      border-color:rgba(139,92,246,.28);
      color:#C8B8FF;
      background:rgba(139,92,246,.12);
    }
    .data-float{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:18px;
    }
    .data-float span{
      padding:12px;
      border-radius:14px;
      background:rgba(8,9,15,.66);
      border:1px solid rgba(255,255,255,.10);
      color:var(--muted);
      font-size:13px;
    }
    .data-float b{display:block;color:var(--text);font-size:22px;line-height:1.1;margin-bottom:4px}
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .mini-card{
      position:relative;
      padding:28px;
      min-height:248px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      transition:.28s var(--ease);
    }
    .mini-card::before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;height:2px;
      background:linear-gradient(90deg,var(--primary),var(--accent),transparent);
      opacity:.9;
    }
    .mini-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--glow);
      background:linear-gradient(180deg,rgba(23,26,39,.92),rgba(17,19,29,.75));
    }
    .icon-dot{
      width:46px;height:46px;
      display:grid;
      place-items:center;
      margin-bottom:20px;
      border-radius:16px;
      background:rgba(24,242,178,.08);
      border:1px solid rgba(24,242,178,.22);
      color:var(--accent);
      font-weight:900;
      box-shadow:0 0 22px rgba(24,242,178,.10);
    }
    .mini-card p{margin-bottom:0}

    .metric-panel{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:28px;
      align-items:center;
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px),
        linear-gradient(135deg,rgba(139,92,246,.13),rgba(24,242,178,.06)),
        var(--panel);
      background-size:34px 34px,34px 34px,auto,auto;
    }
    .metric-copy p{margin-bottom:0}
    .metrics{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      overflow:hidden;
      background:rgba(8,9,15,.36);
    }
    .metric{
      padding:24px 18px;
      min-height:150px;
      border-right:1px solid rgba(255,255,255,.08);
    }
    .metric:last-child{border-right:0}
    .metric b{
      display:block;
      margin-bottom:8px;
      color:var(--accent);
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
    }
    .metric span{display:block;color:var(--text);font-weight:800;margin-bottom:7px}
    .metric small{display:block;color:var(--weak);line-height:1.55}

    .category-entry{
      position:relative;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.11);
      background:
        linear-gradient(120deg,rgba(139,92,246,.18),rgba(24,242,178,.08)),
        var(--panel);
      padding:34px;
      overflow:hidden;
    }
    .category-entry::after{
      content:"";
      position:absolute;
      right:-80px;top:-80px;
      width:260px;height:260px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(24,242,178,.16),transparent 70%);
    }
    .category-entry-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .category-entry p{max-width:760px;margin-bottom:0}

    .scene-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
    }
    .scene-card{
      position:relative;
      border-radius:var(--radius-xl);
      overflow:hidden;
      transition:.28s var(--ease);
    }
    .scene-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--glow);
    }
    .scene-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:320px;
      transition:transform .45s var(--ease);
    }
    .scene-card:hover img{transform:scale(1.04)}
    .scene-card::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(8,9,15,.14),rgba(8,9,15,.88));
    }
    .scene-info{
      position:absolute;
      left:24px;right:24px;bottom:24px;
      z-index:2;
    }
    .scene-side{
      display:grid;
      gap:24px;
    }
    .scene-side .scene-card img{min-height:248px}

    .process-panel{
      position:relative;
      padding:34px;
      border-radius:var(--radius-xl);
      overflow:hidden;
    }
    .process-panel::before{
      content:"";
      position:absolute;
      left:8%;right:8%;top:91px;height:2px;
      background:linear-gradient(90deg,var(--accent),var(--primary),rgba(255,79,216,.45));
      opacity:.65;
    }
    .steps{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:22px;
      z-index:1;
    }
    .step{
      padding:22px;
      border-radius:20px;
      background:rgba(8,9,15,.48);
      border:1px solid rgba(255,255,255,.09);
      transition:.25s var(--ease);
    }
    .step:hover{transform:translateY(-4px);border-color:rgba(24,242,178,.35)}
    .step-num{
      width:58px;height:58px;
      display:grid;
      place-items:center;
      margin-bottom:22px;
      border-radius:18px;
      color:var(--accent);
      font-size:20px;
      font-weight:900;
      border:1px solid rgba(24,242,178,.38);
      background:rgba(17,19,29,.92);
      box-shadow:0 0 24px rgba(24,242,178,.12);
    }
    .step p{font-size:15px;margin-bottom:0}

    .content-preview{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .article-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(17,19,29,.76);
      overflow:hidden;
      transition:.28s var(--ease);
    }
    .article-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,242,178,.38);
      box-shadow:var(--glow);
    }
    .article-img{position:relative;overflow:hidden}
    .article-img img{
      width:100%;
      height:190px;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .article-card:hover .article-img img{transform:scale(1.04)}
    .article-img::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent,rgba(8,9,15,.46));
    }
    .article-body{padding:22px}
    .article-body h3{font-size:20px}
    .article-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      color:var(--weak);
      font-size:13px;
    }

    .faq-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:34px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:104px;
      padding:30px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(139,92,246,.11),rgba(24,242,178,.04)),
        var(--panel);
    }
    .faq-aside p{margin-bottom:22px}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:20px;
      overflow:hidden;
      transition:.25s var(--ease);
    }
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 22px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:50%;
      color:var(--accent);
      background:rgba(24,242,178,.08);
      transition:.25s var(--ease);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      padding:0 22px 20px;
      margin:0;
      color:var(--muted);
    }
    .faq-item.open{
      border-color:rgba(24,242,178,.38);
      box-shadow:0 0 22px rgba(24,242,178,.09);
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(24,242,178,.16)}

    .cta{
      padding:0 0 104px;
    }
    .cta-panel{
      position:relative;
      display:grid;
      grid-template-columns:1fr 380px;
      gap:34px;
      align-items:center;
      padding:42px;
      border-radius:32px;
      border:1px solid rgba(24,242,178,.23);
      background:
        linear-gradient(120deg,rgba(139,92,246,.22),rgba(24,242,178,.08)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      overflow:hidden;
      box-shadow:var(--shadow),0 0 42px rgba(139,92,246,.12);
    }
    .cta-panel::before{
      content:"";
      position:absolute;inset:0;
      background:rgba(8,9,15,.74);
    }
    .cta-copy,.form-card{position:relative;z-index:1}
    .cta-copy p{max-width:680px;margin-bottom:26px}
    .form-card{
      padding:24px;
      border-radius:24px;
      background:rgba(17,19,29,.86);
    }
    .form-card label{
      display:block;
      margin-bottom:12px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .field{
      width:100%;
      min-height:46px;
      margin-bottom:14px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:#11131D;
      color:var(--text);
      outline:none;
      transition:.25s var(--ease);
    }
    .field::placeholder{color:var(--weak)}
    .field:focus{
      border-color:rgba(24,242,178,.55);
      box-shadow:0 0 0 4px rgba(24,242,178,.08);
    }
    textarea.field{resize:vertical;min-height:88px}
    .form-note{
      margin:10px 0 0;
      font-size:12px;
      color:var(--weak);
      line-height:1.55;
    }

    .site-footer{
      position:relative;
      padding:58px 0 30px;
      background:#06070C;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .site-footer::before{
      content:"";
      position:absolute;top:0;left:0;right:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:36px;
      margin-bottom:34px;
    }
    .footer-brand p{max-width:420px;margin:18px 0 0}
    .footer-title{
      margin-bottom:14px;
      color:var(--text);
      font-size:15px;
      font-weight:900;
    }
    .footer-links{
      display:grid;
      gap:10px;
      padding:0;margin:0;
      list-style:none;
    }
    .footer-links a,.footer-links span{
      color:var(--muted);
      font-size:14px;
      transition:.22s var(--ease);
    }
    .footer-links a:hover{
      color:var(--accent);
      padding-left:4px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--weak);
      font-size:13px;
    }

    .reveal{
      opacity:0;
      transform:translateY(18px);
      transition:opacity .6s var(--ease),transform .6s var(--ease);
    }
    .reveal.visible{
      opacity:1;
      transform:none;
    }

    @media (max-width:1100px){
      .hero-grid{grid-template-columns:1fr;gap:40px}
      .control-panel{max-width:680px}
      .phone-preview{display:none}
      .services-layout,.metric-panel,.scene-grid,.faq-layout,.cta-panel{grid-template-columns:1fr}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.08)}
      .process-panel::before{display:none}
      .steps{grid-template-columns:repeat(2,1fr)}
      .cta-panel{background-position:center}
    }

    @media (max-width:860px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header,.nav-wrap{height:66px}
      .menu-toggle{display:grid;place-items:center}
      .main-nav{
        position:fixed;
        left:16px;right:16px;top:78px;
        display:grid;
        gap:8px;
        padding:16px;
        border-radius:22px;
        background:rgba(17,19,29,.98);
        border:1px solid rgba(255,255,255,.12);
        box-shadow:var(--shadow);
        opacity:0;
        transform:translateY(-12px);
        pointer-events:none;
        transition:.25s var(--ease);
      }
      .menu-open .main-nav{
        opacity:1;
        transform:none;
        pointer-events:auto;
      }
      .main-nav a{padding:14px 16px}
      .nav-actions .btn{display:none}
      .hero{min-height:auto;padding:70px 0 58px}
      .section{padding:72px 0}
      .section-tight{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .mini-grid,.content-preview{grid-template-columns:1fr}
      .category-entry-inner{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

    @media (max-width:560px){
      .logo-text span{display:none}
      .hero-actions .btn,.cta-copy .btn{width:100%}
      .trust-points{display:grid;grid-template-columns:1fr}
      .match-card{grid-template-columns:1fr;gap:8px}
      .versus{order:2}
      .team:nth-child(3){order:3}
      .metrics,.steps,.data-float{grid-template-columns:1fr}
      .metric{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.08)}
      .metric:last-child{border-bottom:0}
      .feature-large,.feature-large img{min-height:430px}
      .scene-card img,.scene-side .scene-card img{min-height:260px}
      .cta-panel{padding:26px}
      .form-card{padding:20px}
      h1{letter-spacing:-.035em}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.01ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition-duration:.01ms!important;
      }
      .reveal{opacity:1;transform:none}
    }

/* roulang page: category1 */
:root{
      --bg:#08090F;
      --bg-2:#0B0D14;
      --panel:#11131D;
      --panel-2:#171A27;
      --panel-3:#0E1018;
      --primary:#8B5CF6;
      --accent:#18F2B2;
      --pink:#FF4FD8;
      --warn:#FFD166;
      --text:#F7F8FC;
      --muted:#AAB0C0;
      --weak:#6F7688;
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(24,242,178,.45);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --glow:0 0 24px rgba(24,242,178,.22),0 0 36px rgba(139,92,246,.18);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:72px;
      --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(139,92,246,.22),transparent 32%),
        radial-gradient(circle at 88% 16%,rgba(24,242,178,.14),transparent 28%),
        linear-gradient(135deg,rgba(255,255,255,.035) 1px,transparent 1px),
        var(--bg);
      background-size:auto,auto,34px 34px,auto;
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(115deg,transparent 0 28%,rgba(24,242,178,.06) 28.2%,transparent 28.8% 66%,rgba(139,92,246,.06) 66.2%,transparent 66.8%),
        radial-gradient(circle at 50% 100%,rgba(255,79,216,.08),transparent 35%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,242,178,.48);outline-offset:3px;border-radius:12px}
    .container{width:min(100% - 48px,var(--container));margin-inline:auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border:1px solid rgba(24,242,178,.18);
      border-radius:999px;
      color:var(--accent);
      background:rgba(24,242,178,.07);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 16px rgba(24,242,178,.8);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:32px;
    }
    .section-head h2{
      margin:10px 0 0;
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      letter-spacing:-.04em;
    }
    .section-head p{
      margin:0;
      max-width:520px;
      color:var(--muted);
      font-size:16px;
    }
    .gradient-text{
      color:transparent;
      background:linear-gradient(90deg,var(--accent),#D8C8FF 52%,var(--primary));
      -webkit-background-clip:text;
      background-clip:text;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      background:rgba(8,9,15,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .site-header::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);
      opacity:.75;
    }
    .header-inner{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .logo-mark{
      width:38px;
      height:38px;
      position:relative;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(24,242,178,.18),rgba(139,92,246,.2)),
        #10131C;
      border:1px solid rgba(24,242,178,.28);
      box-shadow:var(--glow);
    }
    .logo-mark::before,.logo-mark::after{
      content:"";
      position:absolute;
      border:2px solid var(--accent);
      filter:drop-shadow(0 0 8px rgba(24,242,178,.55));
    }
    .logo-mark::before{
      left:10px;top:8px;width:12px;height:20px;
      border-right:0;border-top:0;border-radius:0 0 0 5px;
    }
    .logo-mark::after{
      right:8px;bottom:9px;width:10px;height:10px;
      border-left:0;border-bottom:0;border-color:var(--primary);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.12}
    .logo-text strong{font-size:18px;letter-spacing:-.02em}
    .logo-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(17,19,29,.72);
    }
    .main-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:color .24s ease,background .24s ease,box-shadow .24s ease;
    }
    .main-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
    .main-nav a.active{
      color:var(--accent);
      background:rgba(24,242,178,.09);
      box-shadow:inset 0 -1px 0 rgba(24,242,178,.45),0 0 18px rgba(24,242,178,.16);
    }
    .main-nav a.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 12px rgba(24,242,178,.8);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 17px;
      border-radius:999px;
      color:#fff;
      font-size:14px;
      font-weight:800;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      box-shadow:0 14px 35px rgba(24,242,178,.16);
      transition:transform .24s ease,box-shadow .24s ease,filter .24s ease;
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(139,92,246,.28);filter:saturate(1.08)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:var(--text);
      background:var(--panel);
      border:1px solid var(--border);
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      margin:5px auto;
      border-radius:999px;
      background:var(--text);
      transition:transform .2s ease,opacity .2s ease;
    }
    .menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background .24s ease,color .24s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      box-shadow:0 18px 46px rgba(24,242,178,.18),0 14px 36px rgba(139,92,246,.15);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 58px rgba(24,242,178,.23),0 18px 42px rgba(139,92,246,.22)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-secondary:hover{border-color:rgba(24,242,178,.45);background:rgba(24,242,178,.07);transform:translateY(-2px)}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-weight:800;
      transition:gap .22s ease,color .22s ease;
    }
    .text-link:hover{gap:12px;color:#A7FFE2}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      line-height:1;
      color:var(--accent);
      background:rgba(24,242,178,.08);
      border:1px solid rgba(24,242,178,.18);
    }
    .tag.purple{color:#D9C8FF;background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.25)}
    .tag.pink{color:#FFC2F2;background:rgba(255,79,216,.10);border-color:rgba(255,79,216,.22)}
    .tag.warn{color:var(--warn);background:rgba(255,209,102,.08);border-color:rgba(255,209,102,.22)}

    .page-hero{
      position:relative;
      padding:54px 0 34px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(8,9,15,.94),rgba(8,9,15,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 74% 30%,rgba(24,242,178,.18),transparent 30%),
        radial-gradient(circle at 24% 70%,rgba(139,92,246,.16),transparent 28%);
      pointer-events:none;
    }
    .page-hero .container{position:relative;z-index:1}
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:28px;
      color:var(--weak);
      font-size:13px;
    }
    .breadcrumb a{color:var(--muted);transition:color .2s ease}
    .breadcrumb a:hover{color:var(--accent)}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.8fr);
      gap:34px;
      align-items:center;
    }
    .hero-copy h1{
      margin:16px 0 18px;
      max-width:760px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:900;
    }
    .hero-copy p{
      margin:0;
      max-width:720px;
      color:var(--muted);
      font-size:17px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .radar-card{
      position:relative;
      min-height:330px;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(17,19,29,.84),rgba(14,16,24,.92)),
        linear-gradient(135deg,rgba(24,242,178,.08),rgba(139,92,246,.09));
      box-shadow:var(--shadow);
      padding:24px;
      overflow:hidden;
    }
    .radar-card::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:50%;
      border:1px solid rgba(24,242,178,.22);
      box-shadow:inset 0 0 48px rgba(24,242,178,.08);
    }
    .radar-card::after{
      content:"";
      position:absolute;
      width:230px;
      height:230px;
      right:22px;
      top:42px;
      border-radius:50%;
      background:conic-gradient(from 90deg,rgba(24,242,178,.35),rgba(139,92,246,.16),transparent,rgba(24,242,178,.35));
      opacity:.58;
      filter:blur(.2px);
      animation:spin 12s linear infinite;
    }
    .radar-inner{position:relative;z-index:1;display:flex;flex-direction:column;min-height:282px;justify-content:space-between}
    .radar-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .radar-title strong{font-size:20px}
    .radar-title span{font-size:12px;color:var(--weak)}
    .radar-lines{display:grid;gap:12px;margin:26px 0}
    .radar-line{
      display:grid;
      grid-template-columns:90px 1fr 44px;
      gap:12px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar i{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--accent),var(--primary));
      box-shadow:0 0 14px rgba(24,242,178,.35);
    }
    .radar-foot{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mini-metric{
      border:1px solid rgba(255,255,255,.10);
      border-radius:16px;
      background:rgba(8,9,15,.52);
      padding:12px;
    }
    .mini-metric b{display:block;color:var(--text);font-size:18px;line-height:1.2}
    .mini-metric span{display:block;color:var(--weak);font-size:12px;margin-top:4px}
    @keyframes spin{to{transform:rotate(360deg)}}

    .filter-wrap{
      position:sticky;
      top:var(--nav-h);
      z-index:30;
      background:rgba(8,9,15,.82);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .filter-bar{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:14px 0;
      scrollbar-width:none;
    }
    .filter-bar::-webkit-scrollbar{display:none}
    .filter-btn{
      flex:0 0 auto;
      min-height:38px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(17,19,29,.72);
      border:1px solid rgba(255,255,255,.10);
      font-size:13px;
      font-weight:800;
      transition:all .22s ease;
    }
    .filter-btn:hover,.filter-btn.active{
      color:var(--accent);
      border-color:rgba(24,242,178,.36);
      background:rgba(24,242,178,.08);
      box-shadow:0 0 20px rgba(24,242,178,.12);
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:30px;
      align-items:start;
    }
    .main-column{display:grid;gap:24px}
    .feature-card{
      display:grid;
      grid-template-columns:42% 1fr;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(17,19,29,.92),rgba(13,15,22,.95));
      box-shadow:var(--shadow);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow),var(--glow);
    }
    .feature-media{
      position:relative;
      min-height:300px;
      overflow:hidden;
    }
    .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
    .feature-card:hover .feature-media img{transform:scale(1.045)}
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(8,9,15,.62),transparent 58%),linear-gradient(90deg,transparent,rgba(8,9,15,.35));
    }
    .media-label{
      position:absolute;
      left:18px;
      top:18px;
      z-index:1;
    }
    .feature-body{padding:30px;display:flex;flex-direction:column;justify-content:center}
    .meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      color:var(--weak);
      font-size:13px;
      margin-bottom:14px;
    }
    .feature-body h2{
      margin:0 0 14px;
      font-size:clamp(24px,3vw,32px);
      line-height:1.22;
      letter-spacing:-.035em;
    }
    .feature-body p{margin:0 0 22px;color:var(--muted)}
    .card-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(17,19,29,.9),rgba(12,14,21,.95));
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .topic-card::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:2px;
      background:linear-gradient(90deg,var(--primary),var(--accent),transparent);
      opacity:.7;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,242,178,.42);
      box-shadow:var(--glow);
    }
    .topic-img{
      position:relative;
      height:172px;
      overflow:hidden;
    }
    .topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
    .topic-card:hover .topic-img img{transform:scale(1.045)}
    .topic-img::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(8,9,15,.72),transparent);
    }
    .topic-content{padding:20px}
    .topic-content h3{
      margin:12px 0 8px;
      font-size:20px;
      line-height:1.35;
      letter-spacing:-.02em;
    }
    .topic-content p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .topic-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:18px;
      color:var(--weak);
      font-size:13px;
    }

    .banner-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(24,242,178,.22);
      background:
        linear-gradient(135deg,rgba(139,92,246,.22),rgba(24,242,178,.11)),
        var(--panel);
      padding:30px;
      box-shadow:var(--shadow);
    }
    .banner-panel::before{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-70px;
      top:-90px;
      border-radius:50%;
      background:rgba(24,242,178,.16);
      filter:blur(8px);
    }
    .banner-panel h2{
      position:relative;
      margin:0 0 10px;
      font-size:28px;
      line-height:1.25;
      letter-spacing:-.035em;
    }
    .banner-panel p{
      position:relative;
      margin:0 0 20px;
      max-width:680px;
      color:var(--muted);
    }

    .strategy-panel{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(17,19,29,.9),rgba(9,10,16,.96));
      padding:28px;
    }
    .strategy-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:22px;
      position:relative;
    }
    .strategy-grid::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:31px;
      height:1px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
      opacity:.45;
    }
    .step{
      position:relative;
      z-index:1;
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
    }
    .step-num{
      width:62px;
      height:62px;
      display:grid;
      place-items:center;
      border-radius:20px;
      margin-bottom:14px;
      color:var(--accent);
      font-size:20px;
      font-weight:900;
      background:#0B0D14;
      border:1px solid rgba(24,242,178,.28);
      box-shadow:0 0 22px rgba(24,242,178,.12);
    }
    .step h3{margin:0 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}

    .sidebar{
      position:sticky;
      top:146px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(17,19,29,.92),rgba(12,14,21,.96));
      padding:22px;
      box-shadow:0 16px 44px rgba(0,0,0,.22);
    }
    .side-card h2,.side-card h3{
      margin:0 0 16px;
      font-size:20px;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
    .side-list a,.side-list span{
      position:relative;
      display:block;
      padding:12px 12px 12px 16px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.028);
      border:1px solid rgba(255,255,255,.06);
      transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease;
    }
    .side-list a::before,.side-list span::before{
      content:"";
      position:absolute;
      left:0;
      top:13px;
      bottom:13px;
      width:3px;
      border-radius:999px;
      background:transparent;
      transition:background .22s ease,box-shadow .22s ease;
    }
    .side-list a:hover{
      color:var(--text);
      background:rgba(24,242,178,.06);
      border-color:rgba(24,242,178,.22);
      transform:translateX(3px);
    }
    .side-list a:hover::before,.side-list span::before{
      background:var(--accent);
      box-shadow:0 0 10px rgba(24,242,178,.72);
    }
    .score-card{
      display:grid;
      gap:14px;
    }
    .score-row{
      display:grid;
      grid-template-columns:82px 1fr;
      gap:12px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .score-row strong{color:var(--text)}
    .notice{
      padding:14px;
      border-radius:16px;
      color:var(--muted);
      background:rgba(255,209,102,.07);
      border:1px solid rgba(255,209,102,.18);
      font-size:14px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:30px;
      align-items:start;
    }
    .faq-intro{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      padding:28px;
      background:linear-gradient(180deg,rgba(17,19,29,.9),rgba(12,14,21,.95));
    }
    .faq-intro h2{
      margin:12px 0 12px;
      font-size:clamp(28px,4vw,38px);
      line-height:1.2;
      letter-spacing:-.04em;
    }
    .faq-intro p{margin:0 0 22px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:18px;
      background:rgba(17,19,29,.82);
      overflow:hidden;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .faq-item.is-open{
      border-color:rgba(24,242,178,.36);
      box-shadow:0 0 22px rgba(24,242,178,.08);
    }
    .faq-q{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-icon{
      flex:0 0 auto;
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(24,242,178,.08);
      transition:transform .22s ease;
    }
    .faq-item.is-open .faq-icon{transform:rotate(45deg)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-a p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.is-open .faq-a{max-height:180px}

    .cta{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(24,242,178,.25);
      border-radius:32px;
      padding:36px;
      background:
        linear-gradient(135deg,rgba(24,242,178,.12),rgba(139,92,246,.16)),
        linear-gradient(180deg,rgba(17,19,29,.96),rgba(8,9,15,.98));
      box-shadow:var(--shadow),var(--glow);
    }
    .cta::before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:320px;
      height:320px;
      border-radius:50%;
      background:rgba(139,92,246,.22);
      filter:blur(14px);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
    }
    .cta h2{
      margin:0 0 10px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.045em;
    }
    .cta p{margin:0;color:var(--muted);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    .site-footer{
      margin-top:90px;
      padding:54px 0 24px;
      background:#06070B;
      border-top:1px solid rgba(255,255,255,.08);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .8fr;
      gap:34px;
      padding-bottom:34px;
    }
    .footer-brand p{
      margin:18px 0 0;
      color:var(--muted);
      max-width:450px;
      font-size:14px;
    }
    .footer-title{
      color:var(--text);
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a,.footer-links span{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:var(--accent);transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--weak);
      font-size:13px;
    }

    .reveal{
      opacity:0;
      transform:translateY(18px);
      transition:opacity .55s ease,transform .55s ease;
    }
    .reveal.is-visible{opacity:1;transform:none}

    @media (max-width:1024px){
      .container{width:min(100% - 44px,var(--container))}
      .nav-cta{display:none}
      .hero-grid,.content-layout,.faq-grid{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-card{grid-template-columns:1fr}
      .feature-media{min-height:250px}
      .strategy-grid{grid-template-columns:repeat(2,1fr)}
      .strategy-grid::before{display:none}
      .cta-grid{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }

    @media (max-width:768px){
      :root{--nav-h:64px}
      .container{width:min(100% - 32px,var(--container))}
      .site-header{height:auto;min-height:var(--nav-h)}
      .header-inner{height:var(--nav-h)}
      .menu-toggle{display:block}
      .main-nav{
        position:absolute;
        left:16px;
        right:16px;
        top:calc(var(--nav-h) + 10px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:22px;
        background:rgba(11,13,20,.98);
        box-shadow:var(--shadow);
      }
      .main-nav.is-open{display:flex}
      .main-nav a{
        justify-content:center;
        min-height:46px;
        border-radius:14px;
      }
      .page-hero{padding:38px 0 28px}
      .hero-copy h1{font-size:36px}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .topic-grid,.sidebar,.footer-grid{grid-template-columns:1fr}
      .radar-foot{grid-template-columns:1fr}
      .footer-grid{gap:28px}
      .copyright{display:grid}
    }

    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .logo-text strong{font-size:16px}
      .logo-text span{display:none}
      .hero-tags{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .btn{width:100%;white-space:normal;text-align:center}
      .card-actions,.cta-actions{width:100%}
      .radar-card{padding:18px;min-height:300px}
      .radar-line{grid-template-columns:76px 1fr 38px}
      .feature-body,.banner-panel,.strategy-panel,.cta{padding:22px}
      .topic-img{height:150px}
      .strategy-grid{grid-template-columns:1fr}
      .faq-q{padding:16px}
      .faq-a p{padding:0 16px 18px}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
      .reveal{opacity:1;transform:none}
    }