/* roulang page: index */
:root{
      --bg:#0b1020;
      --bg-deep:#070b14;
      --surface:#111a2f;
      --surface-2:#15213b;
      --surface-3:#1a2948;
      --text:#eef3ff;
      --muted:#a8b6d8;
      --soft:#7c8db4;
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(255,255,255,.16);
      --primary:#67e8f9;
      --primary-2:#22d3ee;
      --accent:#f59e0b;
      --accent-2:#ef4444;
      --success:#22c55e;
      --shadow:0 24px 60px rgba(0,0,0,.34);
      --radius:20px;
      --radius-sm:12px;
      --radius-xs:10px;
      --container:1180px;
      --space-1:8px;
      --space-2:12px;
      --space-3:16px;
      --space-4:20px;
      --space-5:28px;
      --space-6:36px;
      --space-7:48px;
      --space-8:72px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 16%),
        linear-gradient(180deg, #0a1020 0%, #0a1020 35%, #09111e 100%);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      line-height:1.65;
      letter-spacing:0;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:48px 48px;
      opacity:.15;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,0) 85%);
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .2s ease, opacity .2s ease, transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    img{max-width:100%; display:block}
    button,input,textarea,select{
      font:inherit;
      color:inherit;
    }
    button{
      cursor:pointer;
      border:0;
      background:none;
    }
    :focus-visible{
      outline:3px solid rgba(103,232,249,.65);
      outline-offset:3px;
    }
    .skip-link{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:16px;
      top:16px;
      width:auto;
      height:auto;
      padding:10px 14px;
      z-index:9999;
      background:var(--surface-2);
      border-radius:999px;
    }
    .top-strip{
      background:rgba(6,10,18,.82);
      border-bottom:1px solid var(--border);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      position:sticky;
      top:0;
      z-index:60;
    }
    .strip-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:10px 0;
      font-size:13px;
      color:var(--muted);
    }
    .strip-meta{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .strip-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(103,232,249,.08);
      border:1px solid rgba(103,232,249,.18);
      color:#c7fbff;
    }
    .strip-link{
      color:#d8e6ff;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .site-header{
      position:sticky;
      top:42px;
      z-index:55;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      background:rgba(11,16,32,.82);
      border-bottom:1px solid var(--border);
      box-shadow:0 10px 40px rgba(0,0,0,.12);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(145deg, rgba(103,232,249,.18), rgba(245,158,11,.20)),
        rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
      color:#fff;
      flex:0 0 auto;
    }
    .brand-text{
      min-width:0;
    }
    .brand-name{
      display:block;
      font-size:18px;
      font-weight:800;
      line-height:1.15;
      letter-spacing:0;
      word-break:break-word;
    }
    .brand-sub{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:16px;
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.03);
      color:var(--text);
      transition:background .2s ease, transform .2s ease, border-color .2s ease;
    }
    .nav-toggle:hover{
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      list-style:none;
      padding:0;
      margin:0;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--text);
      border-color:rgba(103,232,249,.25);
      background:rgba(103,232,249,.07);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#07101f;
      background:linear-gradient(135deg, var(--primary), #dffcff);
      border-color:transparent;
      box-shadow:0 12px 24px rgba(103,232,249,.20);
    }
    .header-cta{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:11px 16px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(245,158,11,.95), rgba(239,68,68,.90));
      color:#fff;
      font-weight:700;
      box-shadow:0 14px 30px rgba(239,68,68,.18);
      white-space:nowrap;
    }
    .header-cta:hover{
      transform:translateY(-1px);
      box-shadow:0 18px 36px rgba(239,68,68,.24);
    }
    .site-main{
      position:relative;
      z-index:1;
    }
    .section{
      padding:72px 0;
      position:relative;
    }
    .section.alt{
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
      border-top:1px solid rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.04);
    }
    .section-head{
      margin-bottom:28px;
      max-width:760px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#d9faff;
      background:rgba(103,232,249,.08);
      border:1px solid rgba(103,232,249,.18);
      font-size:13px;
      font-weight:700;
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      font-size:34px;
      line-height:1.15;
      letter-spacing:0;
      font-weight:850;
    }
    .section-copy{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
      max-width:820px;
    }
    .hero{
      padding:38px 0 52px;
      overflow:hidden;
    }
    .hero-shell{
      position:relative;
      border:1px solid rgba(255,255,255,.10);
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(103,232,249,.10), rgba(245,158,11,.08) 32%, rgba(11,16,32,.96) 70%),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.06) 0 1px, transparent 1px) 0 0 / 120px 120px,
        linear-gradient(180deg, rgba(255,255,255,.05), transparent 20%);
      opacity:.35;
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:34px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(320px,.95fr);
      gap:24px;
      align-items:stretch;
    }
    .hero-copy{
      padding:10px 0;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#dfe8ff;
      font-size:13px;
      white-space:nowrap;
    }
    .pill strong{
      color:#fff;
      font-weight:800;
    }
    .hero-title{
      margin:0;
      font-size:54px;
      line-height:1.06;
      font-weight:900;
      letter-spacing:0;
      max-width:12ch;
    }
    .hero-text{
      margin:18px 0 0;
      max-width:720px;
      color:#d2ddf8;
      font-size:18px;
      line-height:1.8;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:14px 18px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--primary), #e7fbff);
      color:#07101f;
      box-shadow:0 14px 28px rgba(103,232,249,.20);
    }
    .btn-primary:hover{
      box-shadow:0 18px 32px rgba(103,232,249,.24);
    }
    .btn-secondary{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.12);
      color:var(--text);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.20);
    }
    .btn-accent{
      background:linear-gradient(135deg, rgba(245,158,11,.98), rgba(239,68,68,.92));
      color:#fff;
      box-shadow:0 14px 28px rgba(239,68,68,.18);
    }
    .btn-accent:hover{
      box-shadow:0 18px 34px rgba(239,68,68,.24);
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .stat{
      padding:14px 14px 15px;
      border-radius:20px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      min-height:96px;
    }
    .stat-value{
      font-size:28px;
      font-weight:900;
      line-height:1.05;
      margin-bottom:8px;
    }
    .stat-label{
      font-size:13px;
      color:var(--muted);
      line-height:1.45;
    }
    .hero-stage{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:14px;
      align-content:stretch;
    }
    .stage-card,
    .stage-aside,
    .preview-card,
    .content-card,
    .step-card,
    .quote-card,
    .news-panel,
    .cta-panel,
    .faq-card,
    .compare-card,
    .screen-card{
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)),
        rgba(11,16,32,.80);
      box-shadow:0 20px 40px rgba(0,0,0,.18);
    }
    .stage-card{
      padding:20px;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .stage-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(103,232,249,.10), transparent 32%),
        linear-gradient(315deg, rgba(245,158,11,.10), transparent 40%);
      pointer-events:none;
    }
    .stage-visual{
      position:relative;
      z-index:1;
      min-height:330px;
      border-radius:22px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.03)),
        linear-gradient(180deg, #121d35, #0d1527);
      border:1px solid rgba(255,255,255,.10);
      overflow:hidden;
      padding:18px;
    }
    .stage-visual::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 20%, rgba(103,232,249,.12), transparent 30%),
        radial-gradient(circle at 85% 18%, rgba(245,158,11,.12), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(34,197,94,.08), transparent 30%);
      opacity:.8;
      pointer-events:none;
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .screen-dots{
      display:flex;
      gap:8px;
    }
    .screen-dots span{
      width:10px;
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.24);
    }
    .screen-dots span:first-child{background:var(--accent)}
    .screen-dots span:nth-child(2){background:var(--primary)}
    .screen-dots span:nth-child(3){background:var(--success)}
    .screen-tag{
      font-size:12px;
      color:#d9e8ff;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(103,232,249,.10);
      border:1px solid rgba(103,232,249,.18);
    }
    .screen-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:12px;
      min-height:260px;
    }
    .screen-main{
      display:grid;
      gap:12px;
    }
    .screen-panel{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(4,10,18,.42);
      padding:14px;
      min-height:76px;
    }
    .screen-panel strong{
      display:block;
      font-size:14px;
      margin-bottom:6px;
    }
    .screen-panel small{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
    }
    .screen-panel.big{
      min-height:156px;
      background:
        linear-gradient(135deg, rgba(103,232,249,.13), rgba(245,158,11,.10)),
        rgba(4,10,18,.42);
    }
    .screen-panel.big .feature-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .mini-chip{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      color:#defcff;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .screen-side{
      display:grid;
      gap:12px;
    }
    .progress-card,
    .tier-card{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(4,10,18,.42);
      padding:14px;
    }
    .progress-wrap{
      display:flex;
      align-items:center;
      gap:14px;
    }
    .progress-ring{
      --progress:78;
      width:94px;
      height:94px;
      border-radius:50%;
      background:conic-gradient(var(--accent) calc(var(--progress) * 1%), rgba(255,255,255,.10) 0);
      padding:10px;
      flex:0 0 auto;
    }
    .progress-inner{
      width:100%;
      height:100%;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(180deg, rgba(15,23,42,.96), rgba(10,16,32,.98));
      text-align:center;
    }
    .progress-num{
      font-size:22px;
      font-weight:900;
      line-height:1;
    }
    .progress-desc{
      color:var(--muted);
      font-size:12px;
      margin-top:4px;
    }
    .tier-list{
      display:grid;
      gap:10px;
      margin-top:8px;
    }
    .tier-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .tier-icon{
      width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(103,232,249,.14);
      border:1px solid rgba(103,232,249,.16);
      flex:0 0 auto;
      margin-top:1px;
    }
    .tier-item strong{
      display:block;
      font-size:14px;
      line-height:1.35;
    }
    .tier-item span{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      margin-top:2px;
    }
    .hero-mini{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .mini-box{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      padding:14px;
      min-height:104px;
    }
    .mini-box h3{
      margin:0;
      font-size:16px;
      font-weight:800;
      line-height:1.35;
    }
    .mini-box p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .screen-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }
    .stage-aside{
      padding:20px;
      display:grid;
      gap:12px;
      align-content:start;
    }
    .aside-block{
      padding:15px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .aside-block h3{
      margin:0 0 8px;
      font-size:16px;
      line-height:1.35;
      font-weight:800;
    }
    .aside-block p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .collection-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .content-card{
      padding:20px;
      min-height:100%;
    }
    .content-card .card-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
    }
    .content-card h3{
      margin:0;
      font-size:20px;
      line-height:1.3;
      font-weight:850;
    }
    .card-meta{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(103,232,249,.08);
      border:1px solid rgba(103,232,249,.14);
      font-size:12px;
      color:#defcff;
      white-space:nowrap;
    }
    .content-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      min-height:84px;
    }
    .content-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:16px;
      color:#e7fbff;
      font-weight:700;
    }
    .content-link:hover{
      color:var(--primary);
    }
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .step-card{
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .step-index{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#07101f;
      font-weight:900;
      background:linear-gradient(135deg, var(--primary), #dcfbff);
      box-shadow:0 12px 24px rgba(103,232,249,.16);
      margin-bottom:14px;
    }
    .step-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.3;
      font-weight:850;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .step-card ul{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .step-card li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#dbe6ff;
      font-size:13px;
      line-height:1.6;
    }
    .check{
      width:18px;
      height:18px;
      border-radius:999px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      background:rgba(34,197,94,.14);
      color:#97f0b8;
      margin-top:2px;
      font-size:11px;
    }
    .compare-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:16px;
      align-items:start;
    }
    .compare-card{
      padding:20px;
    }
    .compare-card.featured{
      border-color:rgba(103,232,249,.24);
      box-shadow:0 22px 48px rgba(103,232,249,.08);
      background:
        linear-gradient(180deg, rgba(103,232,249,.08), rgba(255,255,255,.03)),
        rgba(11,16,32,.82);
    }
    .compare-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .compare-head h3{
      margin:0;
      font-size:20px;
      line-height:1.3;
      font-weight:850;
    }
    .compare-head p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }
    .compare-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(245,158,11,.12);
      border:1px solid rgba(245,158,11,.20);
      color:#ffd89a;
      font-size:12px;
      white-space:nowrap;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0 12px;
      margin-top:10px;
    }
    .compare-table th,
    .compare-table td{
      padding:14px 14px;
      text-align:left;
      font-size:14px;
      vertical-align:top;
    }
    .compare-table th{
      color:#dce9ff;
      font-weight:800;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .compare-table tr{
      background:rgba(255,255,255,.04);
    }
    .compare-table tr td:first-child,
    .compare-table tr th:first-child{
      border-top-left-radius:14px;
      border-bottom-left-radius:14px;
    }
    .compare-table tr td:last-child,
    .compare-table tr th:last-child{
      border-top-right-radius:14px;
      border-bottom-right-radius:14px;
    }
    .compare-table td{
      color:var(--muted);
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .compare-table td strong{
      color:var(--text);
    }
    .compare-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
    }
    .quote-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .quote-card{
      padding:20px;
    }
    .quote-card p{
      margin:0;
      color:#d8e4ff;
      font-size:14px;
      line-height:1.8;
      min-height:120px;
    }
    .quote-foot{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:16px;
    }
    .avatar{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(103,232,249,.12);
      color:#d8fbff;
      border:1px solid rgba(103,232,249,.18);
      font-weight:800;
      flex:0 0 auto;
    }
    .quote-foot strong{
      display:block;
      font-size:14px;
      line-height:1.3;
    }
    .quote-foot span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
    }
    .news-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
      align-items:start;
    }
    .news-panel{
      padding:20px;
    }
    .news-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .news-list li a{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:14px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .news-list li a:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      border-color:rgba(103,232,249,.20);
    }
    .news-title{
      display:block;
      font-weight:750;
      line-height:1.5;
      color:#f1f6ff;
      font-size:14px;
    }
    .news-meta{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:4px;
    }
    .news-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 9px;
      border-radius:999px;
      background:rgba(103,232,249,.08);
      border:1px solid rgba(103,232,249,.14);
      color:#dffcff;
      font-size:12px;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .rank-list{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .rank-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .rank-item strong{
      font-size:14px;
      line-height:1.45;
    }
    .rank-item span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
    }
    .trend{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      white-space:nowrap;
    }
    .trend.up{
      color:#c9f8d7;
      background:rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.18);
    }
    .trend.flat{
      color:#dce9ff;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-card{
      padding:20px;
    }
    .faq-card h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.35;
      font-weight:800;
    }
    .faq-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .cta-panel{
      padding:24px;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      align-items:start;
    }
    .cta-copy h2{
      margin:0;
      font-size:30px;
      line-height:1.18;
      font-weight:900;
    }
    .cta-copy p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
      line-height:1.8;
      max-width:660px;
    }
    .cta-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .field label{
      display:block;
      margin-bottom:8px;
      color:#e8f2ff;
      font-size:13px;
      font-weight:700;
    }
    .field input{
      width:100%;
      height:50px;
      padding:0 16px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(7,11,20,.72);
      color:var(--text);
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field input::placeholder{
      color:#7282a8;
    }
    .field input:focus{
      border-color:rgba(103,232,249,.42);
      box-shadow:0 0 0 4px rgba(103,232,249,.10);
      background:rgba(7,11,20,.92);
    }
    .form-note{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }
    .footer{
      margin-top:18px;
      padding:28px 0 36px;
      border-top:1px solid rgba(255,255,255,.06);
      background:rgba(5,8,16,.64);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:16px;
      align-items:start;
    }
    .footer-brand{
      max-width:460px;
    }
    .footer-brand h2{
      margin:0;
      font-size:20px;
      line-height:1.35;
      font-weight:850;
    }
    .footer-brand p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-links,
    .footer-note{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#dce8ff;
    }
    .footer-links a:hover{
      color:var(--primary);
    }
    .footer-note li{
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--soft);
      font-size:12px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe7ff;
      font-size:12px;
    }
    .panel-note{
      display:flex;
      align-items:center;
      gap:8px;
      color:#dae8ff;
      font-size:13px;
      margin-bottom:12px;
    }
    .panel-note i{
      color:var(--accent);
    }
    .mute{
      color:var(--muted);
    }
    .inline-link{
      color:#dffcff;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .button-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .split-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .split-title h3{
      margin:0;
      font-size:20px;
      line-height:1.3;
      font-weight:850;
    }
    .split-title span{
      color:var(--muted);
      font-size:13px;
    }
    @media (max-width: 1024px){
      .hero-grid,
      .compare-wrap,
      .news-grid,
      .cta-grid,
      .footer-inner{
        grid-template-columns:1fr;
      }
      .collection-grid,
      .quote-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .steps-grid,
      .faq-wrap{
        grid-template-columns:1fr;
      }
      .hero-title{
        max-width:none;
      }
      .hero-stage{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 768px){
      .site-header{
        top:40px;
      }
      .header-inner{
        padding:14px 0;
      }
      .nav-toggle{
        display:inline-grid;
        place-items:center;
      }
      .nav-wrap{
        margin-left:auto;
      }
      .nav-links{
        display:none;
        position:absolute;
        left:0;
        right:0;
        top:100%;
        padding:12px 16px 16px;
        background:rgba(10,14,24,.96);
        border-bottom:1px solid var(--border);
        box-shadow:0 18px 36px rgba(0,0,0,.24);
        flex-direction:column;
        align-items:stretch;
        gap:8px;
      }
      .nav-links.is-open{
        display:flex;
      }
      .nav-links a{
        width:100%;
        justify-content:flex-start;
      }
      .header-cta{
        display:none;
      }
      .section{
        padding:54px 0;
      }
      .hero-inner{
        padding:22px;
      }
      .hero-title{
        font-size:38px;
      }
      .hero-text{
        font-size:16px;
      }
      .hero-stats{
        grid-template-columns:1fr;
      }
      .collection-grid,
      .quote-grid{
        grid-template-columns:1fr;
      }
      .screen-grid{
        grid-template-columns:1fr;
      }
      .screen-panel.big{
        min-height:140px;
      }
      .section-title{
        font-size:28px;
      }
    }
    @media (max-width: 520px){
      .strip-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-shell{
        border-radius:24px;
      }
      .hero-inner{
        padding:18px;
      }
      .hero-title{
        font-size:32px;
      }
      .hero-actions,
      .compare-actions,
      .button-row{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{
        width:100%;
      }
      .mini-box{
        min-height:auto;
      }
      .progress-wrap{
        flex-direction:column;
        align-items:flex-start;
      }
      .progress-ring{
        width:88px;
        height:88px;
      }
      .screen-grid{
        min-height:auto;
      }
      .compare-table th,
      .compare-table td{
        padding:12px 10px;
        font-size:13px;
      }
      .footer-bottom{
        flex-direction:column;
      }
    }

/* roulang page: category1 */
:root {
      --color-bg: #0c1020;
      --color-bg-soft: #12182c;
      --color-surface: #ffffff;
      --color-surface-muted: #f6f7fb;
      --color-card: rgba(255, 255, 255, 0.92);
      --color-text: #182033;
      --color-text-soft: #5c6578;
      --color-muted: #8a93a7;
      --color-white: #ffffff;
      --color-primary: #7c3aed;
      --color-primary-dark: #5b21b6;
      --color-secondary: #06b6d4;
      --color-accent: #f59e0b;
      --color-danger: #ef4444;
      --color-border: rgba(24, 32, 51, 0.12);
      --color-border-dark: rgba(255, 255, 255, 0.12);
      --gradient-brand: linear-gradient(135deg, #7c3aed 0%, #06b6d4 52%, #f59e0b 100%);
      --gradient-dark: radial-gradient(circle at 18% 18%, rgba(124, 58, 237, 0.35), transparent 36%), radial-gradient(circle at 84% 12%, rgba(6, 182, 212, 0.28), transparent 30%), #0c1020;
      --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
      --shadow-card: 0 16px 38px rgba(15, 23, 42, 0.1);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --header-height: 78px;
      --transition: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
      color: var(--color-text);
      background: linear-gradient(180deg, #f8f9fd 0%, #eef2f8 48%, #f8f9fd 100%);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(6, 182, 212, 0.35);
      outline-offset: 3px;
    }

    .grid-container {
      width: min(1180px, calc(100% - 32px));
      margin-inline: auto;
      padding-inline: 0;
    }

    .top-strip {
      color: rgba(255, 255, 255, 0.78);
      background: #090d19;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
    }

    .top-strip-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .top-strip span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }

    .top-strip a {
      color: #d8f7ff;
      font-weight: 700;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(12, 16, 32, 0.92);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(16px);
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.14);
    }

    .header-inner {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 13px;
      min-width: 0;
      color: var(--color-white);
    }

    .brand:hover {
      color: var(--color-white);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      border-radius: 16px;
      background: var(--gradient-brand);
      box-shadow: 0 12px 28px rgba(124, 58, 237, 0.36);
    }

    .brand-text {
      display: grid;
      gap: 1px;
      min-width: 0;
    }

    .brand-name {
      font-size: clamp(17px, 2.3vw, 22px);
      font-weight: 900;
      letter-spacing: 0;
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-sub {
      color: rgba(255, 255, 255, 0.62);
      font-size: 12px;
      line-height: 1.3;
      white-space: nowrap;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      color: #fff;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.1);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.18);
    }

    .nav-links {
      margin: 0;
      padding: 5px;
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 15px;
      color: rgba(255, 255, 255, 0.76);
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #color: #ffffff;
      background: rgba(255, 255, 255, 0.16);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    }

    .nav-links a i,
    .header-cta i,
    .footer-links i,
    .hero-note i,
    .chip i,
    .stat-item i,
    .feature-list i,
    .faq-list i {
      width: 16px;
      text-align: center;
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 16px;
      color: #0b1020;
      font-size: 14px;
      font-weight: 900;
      border-radius: 999px;
      background: #f8fbff;
      box-shadow: 0 14px 26px rgba(255, 255, 255, 0.12);
      white-space: nowrap;
    }

    .header-cta:hover {
      transform: translateY(-1px);
      background: #ffffff;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 26px 0 24px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.86) 0%, rgba(246, 247, 252, 0.98) 100%);
      border-bottom: 1px solid rgba(24, 32, 51, 0.08);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at 18% 18%, rgba(124, 58, 237, 0.12), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(6, 182, 212, 0.10), transparent 22%),
        radial-gradient(circle at 75% 72%, rgba(245, 158, 11, 0.10), transparent 24%);
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.35fr 0.9fr;
      gap: 22px;
      align-items: stretch;
    }

    .hero-copy {
      min-width: 0;
      padding: 14px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 800;
      color: #5b21b6;
      border-radius: 999px;
      background: rgba(124, 58, 237, 0.09);
      border: 1px solid rgba(124, 58, 237, 0.14);
    }

    .hero h1 {
      margin: 16px 0 14px;
      font-size: clamp(28px, 4.5vw, 48px);
      line-height: 1.08;
      letter-spacing: 0;
      color: var(--color-text);
      max-width: 12ch;
    }

    .hero p {
      margin: 0;
      max-width: 60ch;
      color: var(--color-text-soft);
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .btn-primary-soft,
    .btn-ghost-soft {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      font-weight: 800;
      border-radius: 999px;
    }

    .btn-primary-soft {
      color: #fff;
      background: var(--gradient-brand);
      box-shadow: 0 16px 30px rgba(124, 58, 237, 0.24);
    }

    .btn-primary-soft:hover {
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 18px 34px rgba(124, 58, 237, 0.28);
    }

    .btn-ghost-soft {
      color: var(--color-text);
      background: #fff;
      border: 1px solid rgba(24, 32, 51, 0.12);
    }

    .btn-ghost-soft:hover {
      background: #f9fafc;
      transform: translateY(-1px);
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 16px;
      margin-top: 18px;
      color: var(--color-text-soft);
      font-size: 13px;
    }

    .hero-note span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-panel {
      padding: 18px;
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, rgba(12, 16, 32, 0.98), rgba(23, 30, 55, 0.96));
      color: #fff;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .panel-title {
      font-size: 15px;
      font-weight: 900;
      line-height: 1.3;
    }

    .panel-chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      font-size: 12px;
      font-weight: 800;
      color: #c6d8ff;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
    }

    .stat-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .stat-item {
      padding: 15px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .stat-item .label {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: rgba(255, 255, 255, 0.76);
      font-size: 12px;
      font-weight: 700;
    }

    .stat-item strong {
      display: block;
      margin-top: 8px;
      font-size: 24px;
      line-height: 1;
      letter-spacing: 0;
    }

    .stat-item small {
      display: block;
      margin-top: 6px;
      color: rgba(255, 255, 255, 0.68);
      font-size: 12px;
    }

    main {
      padding: 28px 0 42px;
    }

    .section {
      margin-top: 22px;
      padding: 24px 0;
    }

    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    .section-heading h2 {
      margin: 0;
      font-size: 26px;
      line-height: 1.15;
      letter-spacing: 0;
    }

    .section-heading p {
      margin: 0;
      max-width: 58ch;
      color: var(--color-text-soft);
      font-size: 15px;
    }

    .band {
      padding: 22px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(24, 32, 51, 0.08);
      box-shadow: var(--shadow-card);
    }

    .band-soft {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 252, 0.94));
    }

    .collection-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .content-card {
      position: relative;
      overflow: hidden;
      padding: 20px;
      border-radius: var(--radius-lg);
      background: var(--color-card);
      border: 1px solid rgba(24, 32, 51, 0.08);
      box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .content-card:hover {
      transform: translateY(-3px);
      border-color: rgba(124, 58, 237, 0.18);
      box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
    }

    .content-card .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      color: #4f1d95;
      font-size: 12px;
      font-weight: 800;
      border-radius: 999px;
      background: rgba(124, 58, 237, 0.09);
      border: 1px solid rgba(124, 58, 237, 0.12);
    }

    .chip.alt {
      color: #0f766e;
      background: rgba(6, 182, 212, 0.09);
      border-color: rgba(6, 182, 212, 0.14);
    }

    .chip.warn {
      color: #9a6700;
      background: rgba(245, 158, 11, 0.12);
      border-color: rgba(245, 158, 11, 0.16);
    }

    .content-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.2;
    }

    .content-card p {
      margin: 0;
      color: var(--color-text-soft);
      font-size: 14px;
    }

    .content-card .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      margin-top: 14px;
      color: var(--color-muted);
      font-size: 13px;
    }

    .content-card .meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 16px;
    }

    .feature-panel {
      padding: 22px;
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, #ffffff, #f6f8fc);
      border: 1px solid rgba(24, 32, 51, 0.08);
      box-shadow: var(--shadow-card);
    }

    .feature-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 15px;
      border-radius: 18px;
      background: rgba(124, 58, 237, 0.05);
      border: 1px solid rgba(124, 58, 237, 0.09);
    }

    .feature-list strong {
      display: block;
      font-size: 15px;
      line-height: 1.25;
      margin-bottom: 3px;
    }

    .feature-list p {
      margin: 0;
      color: var(--color-text-soft);
      font-size: 14px;
    }

    .feature-side {
      display: grid;
      gap: 16px;
      align-content: start;
    }

    .callout-card {
      padding: 20px;
      border-radius: var(--radius-xl);
      color: #fff;
      background: linear-gradient(135deg, #10172d 0%, #24304e 100%);
      box-shadow: var(--shadow-soft);
    }

    .callout-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .callout-card p {
      margin: 0;
      color: rgba(255, 255, 255, 0.78);
      font-size: 14px;
    }

    .callout-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
    }

    .check-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--color-text);
      font-size: 14px;
    }

    .check-list i {
      color: #10b981;
      margin-top: 3px;
    }

    .review-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .review-card {
      padding: 20px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(24, 32, 51, 0.08);
      box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
    }

    .review-card .stars {
      display: flex;
      gap: 4px;
      color: #f59e0b;
      margin-bottom: 12px;
    }

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

    .review-card .person {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      margin-top: 14px;
      color: var(--color-text-soft);
      font-size: 13px;
    }

    .faq-grid {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 18px;
      background: #fff;
      border: 1px solid rgba(24, 32, 51, 0.08);
      overflow: hidden;
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.07);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 18px 18px;
      font-weight: 800;
      cursor: pointer;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary span {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .faq-item .answer {
      padding: 0 18px 18px;
      color: var(--color-text-soft);
      font-size: 14px;
    }

    .cta-band {
      padding: 24px;
      border-radius: var(--radius-xl);
      color: #fff;
      background: var(--gradient-brand);
      box-shadow: 0 22px 48px rgba(124, 58, 237, 0.24);
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .cta-inner h2 {
      margin: 0 0 8px;
      font-size: 28px;
      line-height: 1.15;
    }

    .cta-inner p {
      margin: 0;
      max-width: 60ch;
      color: rgba(255, 255, 255, 0.82);
      font-size: 15px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      flex: 0 0 auto;
    }

    .cta-actions .btn-light,
    .cta-actions .btn-dark {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 900;
    }

    .cta-actions .btn-light {
      color: #10172d;
      background: #fff;
    }

    .cta-actions .btn-dark {
      color: #fff;
      background: rgba(16, 23, 45, 0.22);
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .cta-actions .btn-dark:hover {
      background: rgba(16, 23, 45, 0.32);
    }

    .footer {
      padding: 28px 0 18px;
      color: rgba(255, 255, 255, 0.78);
      background: #0a0f1d;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr;
      gap: 20px;
      padding: 8px 0 18px;
    }

    .footer-brand h2 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 22px;
      line-height: 1.2;
    }

    .footer-brand p {
      margin: 0;
      max-width: 54ch;
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
    }

    .footer-links,
    .footer-note {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      font-size: 14px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, 0.78);
    }

    .footer-links a:hover {
      color: #fff;
    }

    .footer-note li {
      color: rgba(255, 255, 255, 0.64);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.56);
      font-size: 13px;
    }

    .subtle-divider {
      height: 1px;
      margin: 4px 0 0;
      background: linear-gradient(90deg, rgba(124, 58, 237, 0.16), rgba(6, 182, 212, 0.18), rgba(245, 158, 11, 0.16));
    }

    @media (max-width: 1024px) {
      .hero-inner,
      .feature-grid,
      .footer-inner {
        grid-template-columns: 1fr;
      }

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

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

      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 768px) {
      .top-strip-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 0;
      }

      .header-inner {
        gap: 14px;
      }

      .nav-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav-wrap {
        margin-left: auto;
      }

      .nav-links {
        position: absolute;
        top: calc(var(--header-height) + 8px);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border-radius: 22px;
        background: rgba(12, 16, 32, 0.96);
        box-shadow: var(--shadow-soft);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-links a {
        justify-content: flex-start;
        min-height: 46px;
      }

      .header-cta {
        display: none;
      }

      .hero {
        padding-top: 18px;
      }

      .hero h1 {
        max-width: none;
      }

      .section-heading {
        flex-direction: column;
        align-items: flex-start;
      }

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

      .band,
      .content-card,
      .review-card,
      .faq-item summary,
      .cta-band,
      .hero-panel,
      .feature-panel,
      .callout-card {
        border-radius: 18px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .grid-container {
        width: min(100% - 20px, 1180px);
      }

      main {
        padding-top: 20px;
      }

      .hero-copy {
        padding-top: 8px;
      }

      .hero h1 {
        font-size: 30px;
      }

      .hero p,
      .section-heading p,
      .cta-inner p {
        font-size: 14px;
      }

      .hero-actions,
      .cta-actions {
        width: 100%;
      }

      .hero-actions a,
      .cta-actions a {
        width: 100%;
        justify-content: center;
      }

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

      .hero-panel {
        padding: 16px;
      }

      .content-card,
      .feature-panel,
      .review-card {
        padding: 18px;
      }

      .cta-band {
        padding: 20px;
      }
    }