/* roulang page: index */
:root{
      --bg: #08100d;
      --bg-2: #0d1612;
      --bg-3: #121d18;
      --card: rgba(15, 24, 20, .88);
      --card-2: rgba(22, 32, 27, .92);
      --line: rgba(255,255,255,.08);
      --line-2: rgba(183, 255, 219, .16);
      --text: #ecf5ef;
      --muted: #a6b6ae;
      --soft: #7f8f88;
      --brand: #7ef0b4;
      --brand-2: #31d39b;
      --brand-3: #1dbd87;
      --amber: #d7b26d;
      --danger: #ff8f78;
      --shadow: 0 24px 60px rgba(0,0,0,.34);
      --shadow-soft: 0 12px 30px rgba(0,0,0,.22);
      --radius: 18px;
      --radius-sm: 12px;
      --radius-lg: 28px;
      --container: 1200px;
      --gap: 24px;
      --space: clamp(18px, 2vw, 28px);
      --transition: 180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(49,211,155,.10), transparent 30%),
        radial-gradient(circle at top right, rgba(126,240,180,.06), transparent 26%),
        linear-gradient(180deg, #06100d 0%, #08110e 40%, #08100d 100%);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
      line-height:1.65;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(126,240,180,.24);color:#fff}
    .page-shell{position:relative}
    .page-shell::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 52px 52px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.34), transparent 92%);
      opacity:.18;
      z-index:0;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin-inline:auto;
      position:relative;
      z-index:1;
    }
    .topbar{
      position:relative;
      z-index:2;
      background:rgba(5,10,8,.88);
      border-bottom:1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      min-height:42px;
      padding:8px 0;
      color:var(--muted);
      font-size:13px;
    }
    .announcement{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .announcement strong{
      color:var(--brand);
      font-weight:700;
      white-space:nowrap;
    }
    .announcement span{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .status-chip{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(126,240,180,.1);
      color:#d7ffe8;
      border:1px solid rgba(126,240,180,.16);
      font-size:12px;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(126,240,180,.12);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(7,12,10,.78);
      backdrop-filter: blur(18px);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:74px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#04110b;
      font-weight:900;
      letter-spacing:.04em;
      background:linear-gradient(135deg, var(--brand), #d4ffe9);
      box-shadow:0 10px 26px rgba(126,240,180,.18);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:16px;
      font-weight:800;
      letter-spacing:.01em;
      line-height:1.2;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
    }
    .nav-toggle{
      display:none;
      align-items:center;
      gap:8px;
      padding:12px 14px;
      border:1px solid var(--line);
      border-radius:12px;
      background:rgba(255,255,255,.02);
      color:var(--text);
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .nav-toggle:hover,
    .nav-toggle:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(126,240,180,.38);
      background:rgba(126,240,180,.06);
      outline:none;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .site-nav a{
      position:relative;
      padding:12px 16px;
      border-radius:999px;
      color:var(--muted);
      transition:color var(--transition), background var(--transition), transform var(--transition), border-color var(--transition);
      border:1px solid transparent;
      font-size:14px;
      font-weight:600;
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.06);
      transform:translateY(-1px);
      outline:none;
    }
    .site-nav a.active{
      color:#07110d;
      background:linear-gradient(135deg, var(--brand), #b8ffd9);
      box-shadow:0 12px 26px rgba(126,240,180,.12);
    }

    .hero{
      position:relative;
      padding:28px 0 12px;
    }
    .hero-frame{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(4,10,8,.16), rgba(4,10,8,.88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-frame::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(6,12,10,.92) 0%, rgba(6,12,10,.68) 48%, rgba(6,12,10,.20) 100%),
        radial-gradient(circle at 78% 18%, rgba(126,240,180,.18), transparent 24%),
        radial-gradient(circle at 90% 58%, rgba(49,211,155,.12), transparent 24%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
      gap:28px;
      align-items:stretch;
      padding:clamp(26px, 4vw, 42px);
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
      padding-right:10px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      width:fit-content;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(126,240,180,.10);
      color:#dbffea;
      border:1px solid rgba(126,240,180,.18);
      font-size:13px;
      font-weight:700;
      letter-spacing:.01em;
    }
    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(126,240,180,.12);
      font-style:normal;
      display:inline-block;
    }
    h1{
      margin:0;
      font-size:clamp(34px, 5vw, 62px);
      line-height:1.04;
      letter-spacing:-.03em;
      text-wrap:balance;
      max-width:12ch;
    }
    .hero-copy p{
      margin:0;
      max-width:58ch;
      color:var(--muted);
      font-size:16px;
      line-height:1.9;
      text-wrap:pretty;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:2px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      height:48px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
      font-weight:700;
      letter-spacing:.01em;
      user-select:none;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      color:#06110c;
      background:linear-gradient(135deg, var(--brand), #ccffe2);
      box-shadow:0 14px 28px rgba(126,240,180,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 36px rgba(126,240,180,.26);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.10);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(126,240,180,.34);
      background:rgba(126,240,180,.06);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:4px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe8e2;
      font-size:12px;
      font-weight:700;
    }
    .tag::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--brand-2);
      box-shadow:0 0 0 4px rgba(49,211,155,.10);
    }

    .hero-visual{
      position:relative;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:16px;
      min-height:100%;
    }
    .visual-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:312px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(10,16,13,.66);
      box-shadow:var(--shadow-soft);
    }
    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.92;
      transform:scale(1.01);
    }
    .visual-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(4,8,6,.08), rgba(4,8,6,.72));
      pointer-events:none;
    }
    .visual-overlay{
      position:absolute;
      inset:auto 18px 18px 18px;
      z-index:1;
      display:grid;
      gap:10px;
    }
    .overlay-title{
      margin:0;
      font-size:18px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .overlay-sub{
      color:#d4e4dc;
      font-size:13px;
      line-height:1.7;
      max-width:36ch;
    }
    .visual-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .stat-mini{
      padding:14px 14px 12px;
      border-radius:18px;
      background:rgba(19,28,24,.84);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 22px rgba(0,0,0,.18);
      min-height:92px;
    }
    .stat-mini strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#edf8f2;
      margin-bottom:6px;
    }
    .stat-mini span{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.55;
    }

    .section{
      padding:18px 0 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin:0 0 18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(22px, 2.8vw, 32px);
      line-height:1.12;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      max-width:56ch;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .stat-card{
      position:relative;
      overflow:hidden;
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(20,30,25,.92), rgba(13,21,17,.92));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      min-height:156px;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .stat-card:hover{
      transform:translateY(-3px);
      border-color:rgba(126,240,180,.24);
      box-shadow:0 16px 34px rgba(0,0,0,.24);
    }
    .stat-card .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
      text-transform:uppercase;
    }
    .stat-card .value{
      margin:12px 0 6px;
      font-size:26px;
      font-weight:900;
      line-height:1.1;
      letter-spacing:-.03em;
    }
    .stat-card .desc{
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      margin:0;
    }
    .stat-card::after{
      content:"";
      position:absolute;
      inset:auto -18px -18px auto;
      width:78px;
      height:78px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(126,240,180,.14), transparent 65%);
      pointer-events:none;
    }

    .content-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .content-card{
      display:flex;
      flex-direction:column;
      overflow:hidden;
      min-height:100%;
      border-radius:24px;
      background:var(--card);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:rgba(126,240,180,.22);
      box-shadow:0 18px 38px rgba(0,0,0,.28);
    }
    .content-media{
      position:relative;
      aspect-ratio: 16/10;
      overflow:hidden;
      background:#101917;
    }
    .content-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 280ms ease, opacity 280ms ease;
      opacity:.94;
    }
    .content-card:hover .content-media img{
      transform:scale(1.04);
    }
    .content-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 34%, rgba(4,8,6,.66) 100%);
      pointer-events:none;
    }
    .content-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px;
      flex:1 1 auto;
    }
    .card-topline{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(126,240,180,.10);
      border:1px solid rgba(126,240,180,.16);
      color:#d7ffea;
      font-size:12px;
      font-weight:700;
      line-height:1;
    }
    .badge.soft{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      color:#dbe4df;
    }
    .content-body h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
      letter-spacing:-.01em;
      min-height:2.7em;
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      color:var(--muted);
      font-size:12px;
    }
    .meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .meta span::before{
      content:"";
      width:5px;
      height:5px;
      border-radius:50%;
      background:var(--brand-3);
      opacity:.9;
      margin-top:1px;
    }
    .content-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      min-height:3.5em;
    }
    .content-foot{
      margin-top:auto;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
    }
    .link-btn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      font-weight:800;
      font-size:13px;
      transition:transform var(--transition), color var(--transition);
    }
    .link-btn:hover{
      transform:translateX(2px);
      color:#aef8d0;
    }
    .link-btn::after{
      content:"→";
      font-size:14px;
      line-height:1;
    }

    .timeline{
      display:grid;
      grid-template-columns: 320px minmax(0,1fr);
      gap:18px;
      align-items:start;
    }
    .panel{
      padding:24px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(18,28,23,.94), rgba(12,19,16,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .panel h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.2;
    }
    .panel p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }
    .timeline-list{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns: 110px minmax(0,1fr);
      gap:16px;
      align-items:start;
      padding:18px 18px 18px 20px;
      border-radius:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
      position:relative;
      overflow:hidden;
    }
    .timeline-item::before{
      content:"";
      position:absolute;
      inset:0 auto 0 0;
      width:3px;
      background:linear-gradient(180deg, var(--brand), rgba(126,240,180,.15));
    }
    .step{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .step strong{
      font-size:16px;
      line-height:1.2;
    }
    .step span{
      color:var(--muted);
      font-size:12px;
    }
    .timeline-item p{
      margin:0;
      color:#d7e4dd;
      font-size:13px;
      line-height:1.75;
    }

    .spotlight{
      display:grid;
      grid-template-columns: minmax(0,1.04fr) minmax(0,.96fr);
      gap:18px;
      align-items:stretch;
    }
    .visual-figure{
      position:relative;
      overflow:hidden;
      min-height:100%;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:#0e1612;
      box-shadow:var(--shadow-soft);
    }
    .visual-figure img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:320px;
      opacity:.95;
    }
    .visual-figure::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(3,8,6,.06), rgba(3,8,6,.68));
      pointer-events:none;
    }
    .figure-caption{
      position:absolute;
      left:20px;
      right:20px;
      bottom:18px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .figure-caption h3{
      margin:0;
      font-size:20px;
      line-height:1.25;
    }
    .figure-caption p{
      margin:0;
      color:#d7e4dd;
      font-size:13px;
      line-height:1.75;
      max-width:42ch;
    }
    .bullet-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .bullet-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#d7e4dd;
      font-size:14px;
      line-height:1.75;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .bullet-list li::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:7px;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(126,240,180,.08);
      flex:0 0 auto;
    }
    .callout{
      margin-top:16px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(215,178,109,.08);
      border:1px solid rgba(215,178,109,.16);
      color:#f5e5bf;
      font-size:13px;
      line-height:1.8;
    }

    .faq{
      display:grid;
      grid-template-columns: minmax(0,1fr) minmax(0,.94fr);
      gap:18px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details{
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
      transition:border-color var(--transition), background var(--transition);
    }
    details[open]{
      border-color:rgba(126,240,180,.18);
      background:rgba(126,240,180,.05);
    }
    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      font-weight:700;
      font-size:15px;
      transition:color var(--transition);
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:var(--brand);
      flex:0 0 auto;
      font-weight:900;
      transition:transform var(--transition), background var(--transition);
    }
    details[open] summary::after{
      content:"−";
      background:rgba(126,240,180,.08);
    }
    .answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
    }
    .answer ul{
      margin:10px 0 0;
      padding-left:18px;
    }
    .answer li{margin:4px 0}

    .cta{
      padding-bottom:32px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(22,34,28,.96), rgba(8,16,13,.98)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 14% 18%, rgba(126,240,180,.16), transparent 24%),
        radial-gradient(circle at 86% 82%, rgba(49,211,155,.12), transparent 22%),
        linear-gradient(180deg, rgba(4,8,6,.18), rgba(4,8,6,.70));
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns: minmax(0,1fr) 360px;
      gap:18px;
      align-items:center;
      padding:clamp(24px, 4vw, 36px);
    }
    .cta-copy h2{
      margin:0 0 10px;
      font-size:clamp(24px, 3.2vw, 36px);
      line-height:1.12;
    }
    .cta-copy p{
      margin:0;
      max-width:58ch;
      color:#d3e4dc;
      font-size:14px;
      line-height:1.85;
    }
    .cta-actions{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .quick-form{
      position:relative;
      padding:18px;
      border-radius:22px;
      background:rgba(10,16,13,.76);
      border:1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(10px);
    }
    .quick-form label{
      display:block;
      margin-bottom:10px;
      color:#dfeae4;
      font-size:13px;
      font-weight:700;
    }
    .quick-form .field{
      display:flex;
      gap:10px;
      align-items:center;
      padding:8px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .quick-form input{
      width:100%;
      border:none;
      background:transparent;
      color:var(--text);
      outline:none;
      padding:10px 12px;
      min-width:0;
    }
    .quick-form input::placeholder{
      color:#97a9a1;
    }
    .quick-form .btn{
      height:44px;
      padding-inline:16px;
      border-radius:12px;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .form-note{
      margin-top:10px;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }

    .site-footer{
      margin-top:10px;
      border-top:1px solid rgba(255,255,255,.06);
      background:#060c0a;
    }
    .footer-inner{
      padding:30px 0 22px;
      display:grid;
      grid-template-columns: 1.3fr .8fr .9fr;
      gap:22px;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand strong{
      font-size:18px;
      font-weight:900;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
      max-width:48ch;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:14px;
      color:#edf5ef;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:13px;
      transition:color var(--transition), transform var(--transition);
      width:fit-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--brand);
      transform:translateX(2px);
      outline:none;
    }
    .footer-bottom{
      padding:16px 0 24px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--soft);
      font-size:12px;
      display:flex;
      flex-wrap:wrap;
      gap:8px 18px;
      justify-content:space-between;
      align-items:center;
    }
    .footer-bottom span{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .footer-bottom .sep{
      width:4px;
      height:4px;
      border-radius:50%;
      background:var(--soft);
      display:inline-block;
    }

    .back-top{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:30;
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border:none;
      border-radius:14px;
      background:linear-gradient(135deg, var(--brand), #cdfde2);
      color:#07110d;
      box-shadow:0 16px 30px rgba(126,240,180,.2);
      opacity:0;
      transform:translateY(12px);
      pointer-events:none;
      transition:opacity var(--transition), transform var(--transition);
    }
    .back-top.show{
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }

    .screen-reader{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }

    @media (max-width: 1080px){
      .hero-inner,
      .spotlight,
      .faq,
      .cta-inner,
      .timeline{
        grid-template-columns:1fr;
      }
      .stats-grid,
      .content-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .hero-copy{padding-right:0}
      .hero-visual{order:2}
      .hero-copy{order:1}
      .visual-card{min-height:280px}
      .footer-inner{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .topbar-inner{
        flex-direction:column;
        align-items:flex-start;
        gap:6px;
      }
      .header-inner{
        min-height:68px;
      }
      .nav-toggle{display:inline-flex}
      .site-nav{
        position:absolute;
        left:0;
        right:0;
        top:100%;
        display:grid;
        gap:8px;
        padding:14px 16px 16px;
        background:rgba(7,12,10,.98);
        border-bottom:1px solid rgba(255,255,255,.06);
        box-shadow:0 18px 30px rgba(0,0,0,.24);
        transform-origin:top;
        transform:scaleY(0);
        opacity:0;
        pointer-events:none;
        transition:transform var(--transition), opacity var(--transition);
      }
      .site-nav.is-open{
        transform:scaleY(1);
        opacity:1;
        pointer-events:auto;
      }
      .site-nav a{
        justify-content:center;
      }
      .hero{
        padding-top:18px;
      }
      .hero-frame{
        border-radius:22px;
      }
      .hero-inner{
        padding:22px 18px 18px;
      }
      h1{
        max-width:none;
      }
      .visual-stats,
      .stats-grid,
      .content-grid{
        grid-template-columns:1fr;
      }
      .timeline-item{
        grid-template-columns:1fr;
        gap:10px;
      }
      .cta-inner{
        padding:22px 18px;
      }
      .footer-inner{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
      .back-top{
        right:14px;
        bottom:14px;
      }
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero-inner{padding:18px 14px 14px}
      .panel,
      .quick-form{padding:18px}
      .content-body{padding:16px}
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .btn{
        width:100%;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .hero-actions .btn,
      .cta-actions .btn{
        flex:1 1 100%;
      }
      .announcement span{
        white-space:normal;
      }
      .content-card h3{
        min-height:auto;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#080b0f;
      --bg-2:#0e131a;
      --panel:#121922;
      --panel-2:#16202b;
      --card:#111821;
      --card-hover:#172230;
      --text:#edf3f1;
      --muted:#99a7a3;
      --soft:#c9d4d0;
      --line:rgba(204,255,229,.12);
      --line-strong:rgba(48,255,170,.28);
      --primary:#35f49b;
      --primary-2:#10c987;
      --amber:#d8a94a;
      --danger:#ff6b6b;
      --shadow:0 18px 50px rgba(0,0,0,.35);
      --glow:0 0 0 1px rgba(53,244,155,.18),0 18px 48px rgba(53,244,155,.08);
      --radius:18px;
      --radius-sm:12px;
      --container:1160px;
      --font:"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);
      line-height:1.7;
      background:
        radial-gradient(circle at 16% 6%,rgba(53,244,155,.12),transparent 28%),
        radial-gradient(circle at 86% 18%,rgba(216,169,74,.08),transparent 26%),
        linear-gradient(180deg,#080b0f 0%,#0b1016 46%,#080b0f 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,11,15,.86);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(16px);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:14px;
      color:#06110c;
      font-weight:900;
      letter-spacing:-1px;
      background:linear-gradient(135deg,var(--primary),#baffdf);
      box-shadow:0 0 30px rgba(53,244,155,.24);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-text strong{font-size:17px;letter-spacing:.2px;white-space:nowrap}
    .brand-text span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
    }
    .site-nav a{
      padding:9px 16px;
      border-radius:999px;
      font-size:14px;
      color:var(--soft);
      transition:.22s ease;
    }
    .site-nav a:hover,.site-nav a:focus{
      color:var(--text);
      background:rgba(53,244,155,.08);
      outline:none;
    }
    .site-nav a.active{
      color:#06110c;
      background:var(--primary);
      font-weight:700;
      box-shadow:0 0 22px rgba(53,244,155,.22);
    }
    .nav-toggle{
      display:none;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(255,255,255,.05);
      border-radius:12px;
      padding:9px 12px;
    }
    .breadcrumb{
      display:flex;
      gap:8px;
      align-items:center;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin:24px 0 14px;
    }
    .breadcrumb a{color:var(--soft)}
    .breadcrumb a:hover{color:var(--primary)}
    .page-hero{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:28px;
      background:
        linear-gradient(90deg,rgba(8,11,15,.96) 0%,rgba(8,11,15,.78) 55%,rgba(8,11,15,.5) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .page-hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),transparent);
      opacity:.55;
    }
    .hero-content{
      position:relative;
      z-index:1;
      padding:52px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:32px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:7px 12px;
      border:1px solid var(--line-strong);
      color:var(--primary);
      border-radius:999px;
      background:rgba(53,244,155,.08);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 14px var(--primary);
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(30px,4.4vw,54px);
      line-height:1.12;
      letter-spacing:-1.3px;
    }
    .hero-lead{
      max-width:720px;
      margin:0;
      color:var(--soft);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:12px;
      border:1px solid transparent;
      font-weight:800;
      transition:.22s ease;
      user-select:none;
    }
    .btn-primary{
      color:#06110c;
      background:linear-gradient(135deg,var(--primary),#b7ffda);
      box-shadow:0 14px 34px rgba(53,244,155,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(53,244,155,.28)}
    .btn-secondary{
      color:var(--text);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.05);
    }
    .btn-secondary:hover{border-color:var(--primary);background:rgba(53,244,155,.09);transform:translateY(-2px)}
    .hero-panel{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(10,15,20,.72);
      padding:18px;
      backdrop-filter:blur(10px);
      box-shadow:var(--glow);
    }
    .panel-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      margin-bottom:14px;
    }
    .panel-title{font-weight:900}
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--amber);
      font-size:13px;
    }
    .status-dot::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 12px rgba(216,169,74,.65);
    }
    .score-board{
      display:grid;
      gap:10px;
    }
    .score-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.06);
    }
    .score-row strong{font-size:15px}
    .score-row span{color:var(--muted);font-size:13px}
    .score-num{
      color:var(--primary);
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      font-size:20px;
      font-weight:900;
    }
    main{padding-bottom:74px}
    .section{padding:54px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:24px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:800;
      font-size:13px;
      letter-spacing:.08em;
    }
    .section-title{
      margin:6px 0 0;
      font-size:clamp(24px,3vw,36px);
      line-height:1.18;
      letter-spacing:-.6px;
    }
    .section-desc{
      color:var(--muted);
      max-width:640px;
      margin:8px 0 0;
    }
    .filter-wrap{
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
      border-radius:18px;
      padding:12px;
      overflow:hidden;
    }
    .filter-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:1px;
    }
    .filter-scroll::-webkit-scrollbar{display:none}
    .filter-tag{
      flex:0 0 auto;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
      color:var(--soft);
      font-size:14px;
      transition:.22s ease;
    }
    .filter-tag.active,.filter-tag:hover{
      color:#06110c;
      background:var(--primary);
      border-color:var(--primary);
      font-weight:800;
    }
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .metric-card{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
      transition:.22s ease;
    }
    .metric-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--glow)}
    .metric-card b{
      display:block;
      color:var(--primary);
      font-size:30px;
      line-height:1;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    .metric-card span{display:block;color:var(--soft);font-weight:800;margin-top:10px}
    .metric-card p{margin:6px 0 0;color:var(--muted);font-size:13px}
    .topic-layout{
      display:grid;
      grid-template-columns:1.4fr .6fr;
      gap:22px;
      align-items:start;
    }
    .card-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .topic-card{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--card);
      box-shadow:0 12px 28px rgba(0,0,0,.18);
      transition:.22s ease;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      background:var(--card-hover);
      box-shadow:var(--glow);
    }
    .card-cover{
      position:relative;
      height:168px;
      overflow:hidden;
      background:#0b1016;
    }
    .card-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.88) contrast(1.05);
      transition:.28s ease;
    }
    .topic-card:hover .card-cover img{transform:scale(1.045)}
    .card-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.72));
    }
    .badge-row{
      position:absolute;
      left:14px;
      bottom:12px;
      z-index:1;
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      color:#eafff5;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(8,11,15,.62);
      backdrop-filter:blur(8px);
      font-size:12px;
      font-weight:800;
    }
    .badge.green{color:#06110c;background:var(--primary);border-color:transparent}
    .card-body{padding:18px}
    .meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:12px;
      margin-bottom:7px;
    }
    .topic-card h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
    }
    .topic-card p{
      margin:9px 0 15px;
      color:var(--muted);
      font-size:14px;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      color:var(--primary);
      font-weight:900;
      font-size:14px;
    }
    .card-link:hover{color:#b7ffda}
    .side-panel{
      position:sticky;
      top:96px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
      padding:20px;
    }
    .side-panel h3{margin:0 0 12px;font-size:20px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .check-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:10px;
      color:var(--soft);
      font-size:14px;
    }
    .check-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      margin-top:9px;
      box-shadow:0 0 12px rgba(53,244,155,.5);
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-card{
      counter-increment:step;
      position:relative;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.035);
      min-height:178px;
      overflow:hidden;
    }
    .process-card::before{
      content:"0" counter(step);
      display:block;
      color:var(--primary);
      font-weight:900;
      font-size:28px;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      margin-bottom:18px;
    }
    .process-card::after{
      content:"";
      position:absolute;
      right:-26px;
      top:-28px;
      width:92px;
      height:92px;
      border-radius:50%;
      background:rgba(53,244,155,.08);
    }
    .process-card h3{margin:0 0 8px;font-size:18px}
    .process-card p{margin:0;color:var(--muted);font-size:14px}
    .compare-box{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--panel);
      padding:22px;
    }
    .feature-card.highlight{
      border-color:var(--line-strong);
      box-shadow:var(--glow);
      background:linear-gradient(180deg,rgba(53,244,155,.08),rgba(255,255,255,.03));
    }
    .feature-card h3{margin:0 0 12px;font-size:21px}
    .feature-card p{margin:0 0 16px;color:var(--muted)}
    .feature-card ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .feature-card li{
      color:var(--soft);
      padding-left:18px;
      position:relative;
      font-size:14px;
    }
    .feature-card li::before{
      content:"";
      position:absolute;
      left:0;
      top:.72em;
      width:7px;
      height:2px;
      background:var(--primary);
    }
    .faq-list{
      display:grid;
      gap:12px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.035);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:18px 20px;
      border:0;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:900;
    }
    .faq-q:focus{outline:2px solid rgba(53,244,155,.55);outline-offset:-2px}
    .faq-q span:last-child{
      color:var(--primary);
      font-size:20px;
      transition:.22s ease;
    }
    .faq-a{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line-strong);
      border-radius:28px;
      background:
        linear-gradient(135deg,rgba(53,244,155,.13),rgba(216,169,74,.06)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      padding:36px;
      box-shadow:var(--shadow);
    }
    .cta::before{
      content:"";
      position:absolute;
      inset:0;
      background:rgba(8,11,15,.72);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta h2{margin:0 0 8px;font-size:clamp(24px,3vw,36px)}
    .cta p{margin:0;color:var(--soft);max-width:690px}
    .site-footer{
      background:#05080b;
      border-top:1px solid var(--line);
      padding:46px 0 18px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.5fr .75fr .95fr;
      gap:34px;
    }
    .footer-brand strong{font-size:19px}
    .footer-brand p{color:var(--muted);margin:10px 0 0;font-size:14px;max-width:520px}
    .footer-col h4{margin:0 0 12px;font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:var(--muted);font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--primary)}
    .footer-bottom{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:32px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--muted);
      font-size:13px;
    }
    .sep{
      width:4px;
      height:4px;
      border-radius:50%;
      background:rgba(255,255,255,.28);
    }
    .backtop{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:40;
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:14px;
      border:1px solid var(--line-strong);
      color:#06110c;
      background:var(--primary);
      font-weight:900;
      box-shadow:0 12px 32px rgba(53,244,155,.22);
      opacity:.92;
      transition:.22s ease;
    }
    .backtop:hover{transform:translateY(-3px);opacity:1}
    @media (max-width:1024px){
      .hero-content{grid-template-columns:1fr;padding:40px}
      .metrics-grid{grid-template-columns:repeat(2,1fr)}
      .topic-layout{grid-template-columns:1fr}
      .side-panel{position:static}
      .process{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .header-inner{min-height:66px}
      .brand-text span{max-width:190px}
      .nav-toggle{display:inline-flex}
      .site-nav{
        position:absolute;
        left:14px;
        right:14px;
        top:70px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:18px;
        padding:10px;
        background:rgba(8,11,15,.98);
        box-shadow:var(--shadow);
      }
      .site-nav.open{display:flex}
      .site-nav a{text-align:center}
      .hero-content{padding:28px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .section{padding:40px 0}
      .section-head{display:block}
      .card-grid{grid-template-columns:1fr}
      .compare-box{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:20px}
      .footer-inner{grid-template-columns:1fr;gap:24px}
    }
    @media (max-width:520px){
      .brand-mark{width:40px;height:40px;border-radius:12px}
      .brand-text strong{font-size:15px}
      .brand-text span{max-width:150px;font-size:11px}
      .page-hero{border-radius:22px}
      .hero-content{padding:22px}
      .hero-lead{font-size:15px}
      .metrics-grid{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .card-cover{height:150px}
      .cta{padding:24px}
      .footer-bottom{align-items:flex-start}
    }