/* roulang page: index */
:root{
      --bg:#07111d;
      --bg-soft:#0d1726;
      --panel:#111d2f;
      --panel-2:#152235;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(255,255,255,.16);
      --text:#edf3ff;
      --muted:#9fb1c9;
      --muted-2:#7f93ad;
      --accent:#ff5a36;
      --accent-2:#ff8a00;
      --accent-3:#ffcd4a;
      --success:#20c57a;
      --danger:#ff6a6a;
      --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-xs:10px;
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 560px at 12% 0%, rgba(255,90,54,.15), transparent 60%),
        radial-gradient(900px 520px at 88% 12%, rgba(255,138,0,.10), transparent 55%),
        linear-gradient(180deg, #09121f 0%, #07111d 100%);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.6;
      letter-spacing:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(255,90,54,.26);color:#fff}
    .container-x{
      width:min(1200px,calc(100% - 2rem));
      margin:0 auto;
    }
    .site-shell{
      position:relative;
      overflow:hidden;
    }
    .site-shell:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:78px 78px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 88%);
      opacity:.35;
      z-index:0;
    }
    .site-header,
    main,
    footer{
      position:relative;
      z-index:1;
    }
    .site-header{
      position:sticky;
      top:0;
      backdrop-filter:blur(18px);
      background:rgba(7,17,29,.68);
      border-bottom:1px solid var(--line);
      z-index:40;
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:1rem;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:.8rem;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg, rgba(255,90,54,.18), rgba(255,138,0,.14));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      color:#fff;
      flex:0 0 auto;
    }
    .brand-text{
      min-width:0;
      display:flex;
      flex-direction:column;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:1.02rem;
      font-weight:800;
      white-space:nowrap;
    }
    .brand-text span{
      font-size:.78rem;
      color:var(--muted);
      margin-top:.15rem;
    }
    .nav-desktop{
      display:flex;
      align-items:center;
      gap:.4rem;
      margin-left:1rem;
      flex-wrap:wrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.7rem .95rem;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:all .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
      outline:none;
    }
    .nav-link.is-active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,90,54,.22), rgba(255,138,0,.16));
      border-color:rgba(255,255,255,.14);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .header-spacer{flex:1 1 auto}
    .search-form{
      position:relative;
      width:min(300px,100%);
      flex:0 0 auto;
    }
    .search-form input{
      width:100%;
      height:44px;
      padding:0 1rem 0 2.7rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      outline:none;
      transition:all .18s ease;
    }
    .search-form input::placeholder{color:var(--muted-2)}
    .search-form input:focus{
      border-color:rgba(255,90,54,.45);
      box-shadow:0 0 0 4px rgba(255,90,54,.14);
      background:rgba(255,255,255,.06);
    }
    .search-icon{
      position:absolute;
      left:.95rem;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted);
      width:18px;height:18px;
    }
    .action-row{
      display:flex;
      align-items:center;
      gap:.65rem;
      flex:0 0 auto;
    }
    .btn-ui{
      height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      padding:0 1rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      white-space:nowrap;
      user-select:none;
    }
    .btn-ui:hover{transform:translateY(-1px)}
    .btn-ui:active{transform:translateY(0)}
    .btn-primary{
      color:#111;
      background:linear-gradient(135deg, var(--accent-3), #ff9b4e);
      box-shadow:0 14px 30px rgba(255,148,62,.18);
    }
    .btn-primary:hover{box-shadow:0 18px 32px rgba(255,148,62,.24)}
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:var(--line);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.16);
    }
    .mobile-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:999px;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:#fff;
    }
    .mobile-nav{
      display:none;
      padding:0 0 1rem;
    }
    .mobile-nav-panel{
      display:grid;
      gap:.5rem;
      padding:1rem;
      margin-top:.2rem;
      border-radius:var(--radius);
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .mobile-nav .nav-link{
      justify-content:space-between;
      border-radius:14px;
      padding:.85rem 1rem;
      background:rgba(255,255,255,.02);
    }
    .section{
      padding:4.5rem 0;
    }
    .section-tight{padding:3.4rem 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1.5rem;
      margin-bottom:1.35rem;
    }
    .section-title{
      font-size:clamp(1.35rem, 2.3vw, 2rem);
      line-height:1.15;
      margin:0;
      font-weight:800;
      letter-spacing:0;
    }
    .section-desc{
      color:var(--muted);
      margin:.5rem 0 0;
      max-width:62ch;
      font-size:.98rem;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.38rem .75rem;
      border-radius:999px;
      color:#ffd8ca;
      background:rgba(255,90,54,.12);
      border:1px solid rgba(255,90,54,.24);
      font-size:.82rem;
      font-weight:700;
      letter-spacing:0;
    }
    .hero{
      padding:2.2rem 0 4rem;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      padding:2rem;
      background:
        linear-gradient(135deg, rgba(255,90,54,.12), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
        rgba(10,18,31,.92);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:auto -10% -30% auto;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(255,138,0,.14), transparent 65%);
      pointer-events:none;
      filter:blur(10px);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
      gap:1.4rem;
      align-items:stretch;
    }
    .hero-left{
      display:flex;
      flex-direction:column;
      gap:1rem;
      position:relative;
      z-index:1;
    }
    .hero-right{
      position:relative;
      z-index:1;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 4.1rem);
      line-height:1.03;
      letter-spacing:0;
      font-weight:900;
      max-width:11ch;
    }
    .hero-copy{
      color:#d8e4f6;
      max-width:62ch;
      font-size:1.02rem;
      margin:0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:.4rem;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:.65rem;
      margin-top:.15rem;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.42rem;
      padding:.56rem .8rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#d7e2f2;
      font-size:.88rem;
      white-space:nowrap;
    }
    .hero-rail{
      display:grid;
      gap:.8rem;
      height:100%;
    }
    .rail-card{
      padding:1rem;
      border-radius:22px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .rail-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:.85rem;
    }
    .rail-title h2,
    .rail-title h3{
      margin:0;
      font-size:1rem;
      font-weight:800;
    }
    .rail-title span{
      color:var(--muted);
      font-size:.82rem;
    }
    .leaderboard{
      display:grid;
      gap:.65rem;
    }
    .leader-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:.85rem;
      align-items:center;
      padding:.8rem .82rem;
      border-radius:16px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.06);
    }
    .rank{
      width:34px;height:34px;
      border-radius:11px;
      display:grid;
      place-items:center;
      font-weight:800;
      color:#111;
      background:linear-gradient(135deg, var(--accent-3), #ff9b4e);
    }
    .leader-copy strong{
      display:block;
      font-size:.94rem;
      font-weight:800;
      margin-bottom:.08rem;
    }
    .leader-copy small{
      display:block;
      color:var(--muted);
      font-size:.8rem;
    }
    .heat{
      text-align:right;
    }
    .heat strong{
      display:block;
      font-size:.94rem;
      font-weight:800;
    }
    .heat span{
      color:var(--muted);
      font-size:.78rem;
    }
    .hero-mini{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:.8rem;
      margin-top:.2rem;
    }
    .mini-stat{
      padding:1rem;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .mini-stat strong{
      display:block;
      font-size:1.2rem;
      font-weight:900;
      margin-bottom:.2rem;
    }
    .mini-stat span{
      color:var(--muted);
      font-size:.84rem;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:1rem;
    }
    .feature-card,
    .info-card,
    .shield-card,
    .app-card,
    .cta-card,
    .tile-card{
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .feature-card{
      padding:1.05rem;
      display:flex;
      flex-direction:column;
      gap:.9rem;
      min-height:100%;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .feature-card:hover{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.15);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
    }
    .feature-icon{
      width:46px;height:46px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(255,90,54,.18), rgba(255,138,0,.10));
      border:1px solid rgba(255,255,255,.10);
      color:#fff;
    }
    .feature-card h3{
      margin:0;
      font-size:1.02rem;
      font-weight:800;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.65;
    }
    .feature-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:#dfe8f4;
      font-size:.84rem;
    }
    .feature-foot a{
      color:#fff;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      font-weight:700;
    }
    .split{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
      gap:1rem;
      align-items:start;
    }
    .timeline{
      display:grid;
      gap:.95rem;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.9rem;
      align-items:start;
      padding:1rem 1.05rem;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .timeline-dot{
      width:14px;height:14px;
      border-radius:999px;
      margin-top:.3rem;
      background:linear-gradient(135deg, var(--accent-3), var(--accent));
      box-shadow:0 0 0 6px rgba(255,90,54,.12);
    }
    .timeline-item strong{
      display:block;
      margin-bottom:.15rem;
      font-size:.98rem;
      font-weight:800;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      font-size:.91rem;
      line-height:1.7;
    }
    .milestone-side{
      display:grid;
      gap:1rem;
    }
    .milestone-box{
      padding:1.15rem;
      border-radius:22px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .milestone-box h3{
      margin:0 0 .4rem;
      font-size:1rem;
      font-weight:800;
    }
    .milestone-box p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:.8rem;
    }
    .metric{
      padding:.95rem 1rem;
      border-radius:18px;
      background:rgba(0,0,0,.16);
      border:1px solid rgba(255,255,255,.07);
    }
    .metric strong{
      display:block;
      font-size:1.25rem;
      font-weight:900;
      margin-bottom:.12rem;
    }
    .metric span{
      color:var(--muted);
      font-size:.84rem;
    }
    .news-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(310px,.86fr);
      gap:1rem;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:.75rem;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:.9rem;
      align-items:center;
      padding:1rem 1.05rem;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      transition:transform .18s ease, border-color .18s ease;
    }
    .news-item:hover{
      transform:translateY(-1px);
      border-color:rgba(255,255,255,.16);
    }
    .news-date{
      width:56px;
      text-align:center;
      border-radius:16px;
      background:rgba(255,90,54,.12);
      border:1px solid rgba(255,90,54,.22);
      padding:.45rem .25rem;
      color:#ffd8ca;
      font-size:.78rem;
      line-height:1.1;
    }
    .news-date strong{
      display:block;
      font-size:1.05rem;
      color:#fff;
      margin-top:.08rem;
    }
    .news-body strong{
      display:block;
      font-size:1rem;
      font-weight:800;
      margin-bottom:.2rem;
    }
    .news-body p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.65;
    }
    .news-tag{
      display:inline-flex;
      align-items:center;
      gap:.3rem;
      padding:.38rem .65rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.09);
      color:#d5e2f5;
      font-size:.78rem;
      white-space:nowrap;
    }
    .news-aside{
      display:grid;
      gap:1rem;
    }
    .story-card{
      padding:1.1rem;
      border-radius:22px;
      background:
        linear-gradient(145deg, rgba(255,90,54,.14), transparent 42%),
        rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .story-card h3{
      margin:0 0 .45rem;
      font-size:1.05rem;
      font-weight:800;
    }
    .story-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
      margin-top:1rem;
    }
    .tag{
      padding:.45rem .7rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#dfe8f5;
      font-size:.8rem;
    }
    .support-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:1rem;
    }
    .shield-card{
      padding:1.1rem;
      min-height:100%;
    }
    .shield-card .feature-icon{
      margin-bottom:.85rem;
    }
    .shield-card h3{
      margin:0 0 .35rem;
      font-size:1rem;
      font-weight:800;
    }
    .shield-card p{
      margin:0;
      color:var(--muted);
      font-size:.91rem;
      line-height:1.7;
    }
    .shield-list{
      margin-top:.95rem;
      display:grid;
      gap:.55rem;
      padding:0;
      list-style:none;
    }
    .shield-list li{
      display:flex;
      align-items:flex-start;
      gap:.55rem;
      color:#dce6f4;
      font-size:.86rem;
    }
    .shield-list svg{
      width:16px;height:16px;
      color:var(--success);
      flex:0 0 auto;
      margin-top:.18rem;
    }
    .app-grid{
      display:grid;
      grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
      gap:1rem;
      align-items:stretch;
    }
    .device{
      position:relative;
      min-height:360px;
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
        rgba(255,255,255,.02);
      border:1px solid var(--line);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .device:before{
      content:"";
      position:absolute;
      inset:16px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(255,90,54,.18), transparent 32%),
        linear-gradient(180deg, rgba(17,29,47,.95), rgba(10,18,31,.98));
      border:1px solid rgba(255,255,255,.08);
    }
    .device-screen{
      position:absolute;
      inset:36px;
      display:flex;
      flex-direction:column;
      gap:.85rem;
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .screen-top strong{
      font-size:1rem;
      font-weight:800;
    }
    .signal{
      display:inline-flex;
      gap:.35rem;
      align-items:center;
      color:var(--muted);
      font-size:.82rem;
    }
    .screen-block{
      padding:1rem;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .screen-bars{
      display:grid;
      gap:.65rem;
    }
    .bar{
      height:12px;
      border-radius:999px;
      background:linear-gradient(90deg, rgba(255,138,0,.9), rgba(255,90,54,.9));
      box-shadow:0 10px 20px rgba(255,90,54,.12);
    }
    .bar.dim{
      background:rgba(255,255,255,.14);
      box-shadow:none;
    }
    .screen-footer{
      margin-top:auto;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:.6rem;
    }
    .screen-chip{
      padding:.8rem .55rem;
      border-radius:16px;
      text-align:center;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dce6f4;
      font-size:.82rem;
    }
    .app-card{
      padding:1.2rem;
      display:grid;
      gap:1rem;
    }
    .app-card h3{
      margin:0;
      font-size:1.08rem;
      font-weight:800;
    }
    .app-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.75;
    }
    .steps{
      display:grid;
      gap:.75rem;
    }
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.8rem;
      align-items:start;
      padding:.9rem 1rem;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .step-num{
      width:34px;height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      font-weight:800;
      color:#111;
      background:linear-gradient(135deg, var(--accent-3), #ff9b4e);
    }
    .step strong{
      display:block;
      font-size:.95rem;
      font-weight:800;
      margin-bottom:.1rem;
    }
    .step span{
      color:var(--muted);
      font-size:.88rem;
      line-height:1.65;
    }
    .faq-wrap{
      display:grid;
      gap:.8rem;
    }
    details.faq{
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      overflow:hidden;
    }
    details.faq[open]{
      border-color:rgba(255,255,255,.15);
      background:rgba(255,255,255,.05);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1.05rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:800;
      outline:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary span:last-child{
      color:var(--muted);
      font-weight:600;
      font-size:.9rem;
    }
    .faq-body{
      padding:0 1.05rem 1rem;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.78;
    }
    .cta-card{
      padding:1.2rem;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(135deg, rgba(255,138,0,.12), rgba(255,90,54,.12)),
        rgba(255,255,255,.04);
    }
    .cta-card:before{
      content:"";
      position:absolute;
      inset:auto -12% -20% auto;
      width:280px;
      height:280px;
      background:radial-gradient(circle, rgba(255,138,0,.14), transparent 65%);
      pointer-events:none;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(280px,.85fr);
      gap:1rem;
      position:relative;
      z-index:1;
    }
    .cta-card h2{
      margin:0 0 .55rem;
      font-size:clamp(1.4rem, 2.3vw, 2rem);
      line-height:1.12;
      font-weight:900;
    }
    .cta-card p{
      margin:0;
      color:#d7e2f2;
      font-size:.96rem;
      line-height:1.75;
      max-width:60ch;
    }
    .cta-list{
      display:grid;
      gap:.7rem;
      margin-top:1rem;
    }
    .cta-list li{
      display:flex;
      align-items:flex-start;
      gap:.55rem;
      color:#f1f6ff;
      font-size:.9rem;
    }
    .cta-list svg{
      width:16px;height:16px;
      color:var(--accent-3);
      flex:0 0 auto;
      margin-top:.2rem;
    }
    .form-panel{
      padding:1rem;
      border-radius:22px;
      background:rgba(9,16,27,.66);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-soft);
    }
    .form-panel label{
      display:block;
      font-weight:700;
      margin-bottom:.55rem;
      color:#eef4ff;
    }
    .field{
      display:grid;
      gap:.8rem;
    }
    .field input,
    .field select{
      width:100%;
      height:48px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:var(--text);
      padding:0 1rem;
      outline:none;
      transition:all .18s ease;
    }
    .field input::placeholder,
    .field select{color:var(--muted)}
    .field input:focus,
    .field select:focus{
      border-color:rgba(255,90,54,.45);
      box-shadow:0 0 0 4px rgba(255,90,54,.14);
      background:rgba(255,255,255,.07);
    }
    .form-note{
      margin-top:.75rem;
      color:var(--muted);
      font-size:.83rem;
      line-height:1.65;
    }
    .footer{
      padding:2.1rem 0 2.8rem;
      border-top:1px solid var(--line);
      background:rgba(0,0,0,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) repeat(2,minmax(0,.7fr));
      gap:1rem;
      align-items:start;
    }
    .footer-brand{
      display:grid;
      gap:.7rem;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.75;
      max-width:52ch;
    }
    .footer-col h3{
      margin:0 0 .6rem;
      font-size:.92rem;
      font-weight:800;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:.45rem;
    }
    .footer-links a{
      color:var(--muted);
      font-size:.9rem;
      transition:color .18s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      outline:none;
    }
    .footer-note{
      margin-top:1.5rem;
      padding-top:1rem;
      border-top:1px solid var(--line);
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:.75rem;
      color:var(--muted-2);
      font-size:.82rem;
    }
    .inline-icon{
      width:16px;height:16px;
      display:inline-block;
      vertical-align:-2px;
    }
    .soft-link{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:#fff;
      font-weight:700;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.38rem .6rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#d9e4f2;
      font-size:.78rem;
      white-space:nowrap;
    }
    .btn-ui svg,
    .soft-link svg,
    .feature-foot svg,
    .cta-list svg{
      width:16px;height:16px;
    }
    .content-band{
      padding-top:0;
    }
    @media (max-width: 1100px){
      .hero-grid,
      .split,
      .news-grid,
      .app-grid,
      .cta-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .grid-4,
      .support-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .nav-desktop,
      .search-form{
        display:none;
      }
      .mobile-toggle{
        display:inline-flex;
      }
      .mobile-nav{
        display:block;
      }
      .header-inner{
        justify-content:space-between;
      }
      .header-spacer{display:none}
    }
    @media (max-width: 760px){
      .container-x{width:min(100% - 1.2rem,1200px)}
      .hero-card{padding:1.2rem}
      .section{padding:3.4rem 0}
      .section-tight{padding:2.8rem 0}
      .grid-4,
      .support-grid,
      .hero-mini,
      .metric-row,
      .screen-footer{
        grid-template-columns:1fr;
      }
      .hero h1{max-width:100%}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .action-row .btn-secondary{
        display:none;
      }
      .news-item{
        grid-template-columns:1fr;
        align-items:start;
      }
      .news-date{
        width:max-content;
        padding:.42rem .55rem;
        display:inline-flex;
        align-items:center;
        gap:.45rem;
      }
      .news-date strong{
        display:inline;
        margin:0;
      }
      .leader-item{
        grid-template-columns:auto 1fr;
      }
      .heat{
        grid-column:2;
        text-align:left;
        margin-top:-.3rem;
      }
    }
    @media (max-width: 520px){
      .hero-card,
      .rail-card,
      .feature-card,
      .timeline-item,
      .news-item,
      .shield-card,
      .app-card,
      .cta-card{
        border-radius:16px;
      }
      .btn-ui{
        width:100%;
      }
      .hero-actions{
        display:grid;
        grid-template-columns:1fr;
      }
      .mobile-nav-panel{
        padding:.85rem;
      }
      .brand-text strong{
        font-size:.95rem;
      }
      .footer-note{
        align-items:flex-start;
      }
    }
    :focus-visible{
      outline:2px solid rgba(255,90,54,.8);
      outline-offset:2px;
    }

/* roulang page: category1 */
:root {
      --primary: #ef3f23;
      --primary-dark: #c92812;
      --secondary: #ff8a1f;
      --accent: #ffd15c;
      --ink: #19140f;
      --muted: #766b61;
      --soft: #fff5ed;
      --paper: #fffaf6;
      --card: rgba(255, 255, 255, .92);
      --line: rgba(120, 66, 35, .16);
      --shadow: 0 24px 70px rgba(122, 43, 16, .14);
      --shadow-sm: 0 12px 30px rgba(122, 43, 16, .1);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 10%, rgba(255, 138, 31, .16), transparent 30%),
        radial-gradient(circle at 86% 0%, rgba(239, 63, 35, .14), transparent 34%),
        linear-gradient(180deg, #fff8f1 0%, #fffaf7 42%, #ffffff 100%);
      line-height: 1.65;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(239, 63, 35, .35);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(126, 58, 22, .12);
      background: rgba(255, 250, 246, .86);
      backdrop-filter: blur(18px);
      box-shadow: 0 10px 30px rgba(112, 48, 19, .06);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 18px;
    }

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

    .brand-mark {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      color: #fff;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 30px rgba(239, 63, 35, .25);
    }

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

    .brand-text strong {
      font-size: 17px;
      letter-spacing: -.02em;
      font-weight: 900;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--muted);
    }

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, .66);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: #5d4b3d;
      font-size: 14px;
      font-weight: 750;
      transition: transform .22s ease, color .22s ease, background .22s ease, box-shadow .22s ease;
    }

    .nav-link:hover {
      color: var(--primary-dark);
      background: rgba(239, 63, 35, .08);
      transform: translateY(-1px);
    }

    .nav-link.is-active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 24px rgba(239, 63, 35, .22);
    }

    .header-spacer {
      flex: 1;
    }

    .search-form {
      width: 250px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, .76);
      color: var(--muted);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .search-form:focus-within {
      border-color: rgba(239, 63, 35, .38);
      box-shadow: 0 0 0 4px rgba(239, 63, 35, .08);
      background: #fff;
    }

    .search-icon {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
    }

    .search-form input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .search-form input::placeholder {
      color: #9a8b80;
    }

    .action-row {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-ui {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 16px;
      border: 1px solid transparent;
      font-weight: 850;
      font-size: 14px;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      white-space: nowrap;
    }

    .btn-ui svg {
      width: 17px;
      height: 17px;
    }

    .btn-ui:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 16px 35px rgba(239, 63, 35, .26);
    }

    .btn-primary:hover {
      box-shadow: 0 20px 44px rgba(239, 63, 35, .34);
    }

    .btn-secondary {
      color: var(--primary-dark);
      border-color: rgba(239, 63, 35, .2);
      background: #fff;
      box-shadow: 0 12px 26px rgba(122, 43, 16, .08);
    }

    .btn-secondary:hover {
      border-color: rgba(239, 63, 35, .34);
      background: #fff7ef;
    }

    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      color: var(--primary-dark);
      background: #fff;
      align-items: center;
      justify-content: center;
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .mobile-toggle:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }

    .mobile-nav {
      padding: 0 0 16px;
    }

    .mobile-nav-panel {
      display: grid;
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .section {
      padding: 76px 0;
    }

    .hero-category {
      position: relative;
      overflow: hidden;
      padding: 72px 0 56px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.03fr .97fr;
      gap: 44px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border: 1px solid rgba(239, 63, 35, .2);
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(255, 255, 255, .78);
      font-size: 13px;
      font-weight: 900;
      box-shadow: 0 10px 24px rgba(239, 63, 35, .08);
    }

    .hero-title {
      margin: 18px 0 18px;
      max-width: 760px;
      font-size: clamp(36px, 5.4vw, 64px);
      line-height: 1.06;
      letter-spacing: -.055em;
      font-weight: 950;
    }

    .hero-title span {
      color: var(--primary);
    }

    .hero-lead {
      max-width: 650px;
      color: #655548;
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }

    .price-strip {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 26px;
      padding: 14px;
      border: 1px dashed rgba(239, 63, 35, .34);
      border-radius: 20px;
      background: rgba(255, 255, 255, .72);
    }

    .price-badge {
      display: inline-flex;
      align-items: baseline;
      gap: 4px;
      color: #fff;
      border-radius: 15px;
      padding: 8px 12px;
      background: linear-gradient(135deg, #d82412, #ff8a1f);
      box-shadow: 0 14px 28px rgba(239, 63, 35, .22);
      font-weight: 950;
    }

    .price-badge small {
      font-size: 12px;
      opacity: .9;
    }

    .price-copy {
      color: #6d5c50;
      font-size: 14px;
      font-weight: 700;
    }

    .vertical-showcase {
      position: relative;
      min-height: 570px;
      display: grid;
      place-items: center;
    }

    .phone-card {
      width: min(330px, 86vw);
      min-height: 520px;
      border: 10px solid #251713;
      border-radius: 42px;
      padding: 18px;
      background:
        linear-gradient(180deg, rgba(25, 20, 15, .12), rgba(25, 20, 15, .58)),
        linear-gradient(135deg, #ffefe4, #ffb15d 55%, #ef3f23);
      box-shadow: 0 38px 80px rgba(122, 43, 16, .28);
      color: #fff;
      overflow: hidden;
    }

    .phone-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      font-weight: 850;
      opacity: .9;
    }

    .screen-stack {
      margin-top: 34px;
      display: grid;
      gap: 16px;
    }

    .screen-card {
      padding: 16px;
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 22px;
      background: rgba(255, 255, 255, .16);
      backdrop-filter: blur(16px);
      box-shadow: 0 18px 36px rgba(0, 0, 0, .14);
    }

    .screen-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 17px;
    }

    .screen-card p {
      margin: 0;
      color: rgba(255, 255, 255, .85);
      font-size: 13px;
    }

    .floating-deal {
      position: absolute;
      right: 2%;
      bottom: 34px;
      width: 230px;
      padding: 18px;
      border-radius: 24px;
      background: #fff;
      box-shadow: var(--shadow);
      border: 1px solid rgba(239, 63, 35, .14);
    }

    .floating-deal span {
      display: inline-flex;
      color: #fff;
      background: var(--primary);
      border-radius: 999px;
      padding: 4px 9px;
      font-size: 12px;
      font-weight: 900;
    }

    .floating-deal strong {
      display: block;
      margin-top: 10px;
      font-size: 28px;
      line-height: 1;
      color: var(--primary-dark);
    }

    .floating-deal p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .problem-band {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #211512;
      color: #fff;
      box-shadow: var(--shadow);
    }

    .problem-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 26px;
      align-items: center;
    }

    .problem-title h2,
    .section-head h2 {
      margin: 0;
      font-size: clamp(28px, 3.8vw, 44px);
      line-height: 1.14;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .problem-title p,
    .section-head p {
      margin: 14px 0 0;
      color: #7a695d;
      font-size: 16px;
      line-height: 1.85;
    }

    .problem-title p {
      color: rgba(255, 255, 255, .72);
    }

    .question-list {
      display: grid;
      gap: 12px;
    }

    .question-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .question-item i {
      display: grid;
      place-items: center;
      flex: 0 0 30px;
      height: 30px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-style: normal;
      font-weight: 950;
    }

    .solution-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 30px;
      align-items: start;
    }

    .section-head {
      max-width: 760px;
    }

    .sticky-panel {
      position: sticky;
      top: 110px;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #fff, #fff2e5);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      color: #7a351c;
      background: rgba(255, 138, 31, .12);
      border: 1px solid rgba(255, 138, 31, .18);
      font-size: 13px;
      font-weight: 850;
    }

    .solution-cards {
      display: grid;
      gap: 16px;
    }

    .solution-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: var(--card);
      box-shadow: 0 10px 25px rgba(122, 43, 16, .07);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .solution-card:hover {
      transform: translateY(-4px);
      border-color: rgba(239, 63, 35, .28);
      box-shadow: var(--shadow-sm);
    }

    .icon-box {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 17px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .solution-card h3 {
      margin: 0 0 4px;
      font-size: 18px;
      font-weight: 950;
    }

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

    .deal-note {
      display: inline-flex;
      min-width: 74px;
      justify-content: center;
      padding: 8px 10px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: #fff1e5;
      font-size: 13px;
      font-weight: 950;
    }

    .proof-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .proof-card {
      padding: 24px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .proof-card strong {
      display: block;
      color: var(--primary-dark);
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .proof-card span {
      display: block;
      margin-top: 10px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 20px;
      margin-top: 26px;
    }

    .scene-main,
    .lead-form-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .scene-main {
      padding: 28px;
      min-height: 360px;
      background:
        linear-gradient(135deg, rgba(255, 138, 31, .12), rgba(239, 63, 35, .06)),
        #fff;
    }

    .scene-main h3 {
      margin: 0;
      font-size: 28px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .scene-main p {
      max-width: 640px;
      color: var(--muted);
      margin: 12px 0 24px;
    }

    .rank-list {
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 13px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .76);
      border: 1px solid rgba(239, 63, 35, .12);
    }

    .rank-no {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #fff;
      background: #241714;
      font-weight: 950;
    }

    .rank-item strong {
      display: block;
      font-weight: 950;
    }

    .rank-item span {
      color: var(--muted);
      font-size: 13px;
    }

    .lead-form-card {
      padding: 24px;
    }

    .lead-form-card h3 {
      margin: 0 0 8px;
      font-size: 24px;
      font-weight: 950;
    }

    .lead-form-card p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }

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

    .field {
      display: grid;
      gap: 6px;
    }

    .field label {
      color: #58483c;
      font-size: 13px;
      font-weight: 850;
    }

    .field input,
    .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 12px 14px;
      background: #fffaf6;
      color: var(--ink);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .field textarea {
      min-height: 92px;
      resize: vertical;
    }

    .field input:focus,
    .field textarea:focus {
      border-color: rgba(239, 63, 35, .38);
      box-shadow: 0 0 0 4px rgba(239, 63, 35, .08);
      background: #fff;
    }

    .privacy-note {
      display: flex;
      gap: 10px;
      margin-top: 14px;
      padding: 14px;
      color: #6d5c50;
      border-radius: 16px;
      background: #fff4e8;
      font-size: 13px;
    }

    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      padding: 16px;
      border: 1px solid rgba(239, 63, 35, .16);
      border-radius: 26px;
      background: linear-gradient(135deg, #fff, #fff2e6);
      box-shadow: var(--shadow-sm);
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .72);
      color: #5b4a3e;
      font-weight: 850;
    }

    .guarantee-item svg {
      color: var(--primary);
      flex: 0 0 auto;
    }

    .flow-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .flow-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .step {
      counter-increment: step;
      position: relative;
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 18px;
      background: #fff7ef;
      border: 1px solid rgba(239, 63, 35, .12);
    }

    .step::before {
      content: counter(step);
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 11px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
    }

    .step strong {
      display: block;
      margin-bottom: 4px;
      font-weight: 950;
    }

    .step span {
      color: var(--muted);
      font-size: 14px;
    }

    .promo-panel {
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at top right, rgba(255, 209, 92, .42), transparent 38%),
        linear-gradient(135deg, #261411, #5a1f12);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .promo-panel h2 {
      margin: 0;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.15;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .promo-panel p {
      color: rgba(255, 255, 255, .76);
      margin: 14px 0 22px;
    }

    .coupon {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px;
      border: 1px dashed rgba(255, 255, 255, .32);
      border-radius: 20px;
      background: rgba(255, 255, 255, .1);
    }

    .coupon strong {
      font-size: 30px;
      color: var(--accent);
    }

    .faq-list {
      display: grid;
      gap: 14px;
      margin-top: 28px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 10px 24px rgba(122, 43, 16, .06);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 20px;
      font-weight: 950;
      cursor: pointer;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      color: var(--primary-dark);
      background: #fff0e4;
      font-size: 20px;
      line-height: 1;
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-item p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border-radius: 32px;
      color: #fff;
      background:
        radial-gradient(circle at 85% 20%, rgba(255, 209, 92, .36), transparent 34%),
        linear-gradient(135deg, #ef3f23, #ff8a1f);
      box-shadow: 0 28px 70px rgba(239, 63, 35, .28);
    }

    .cta-box h2 {
      margin: 0;
      font-size: clamp(30px, 4.4vw, 48px);
      line-height: 1.12;
      letter-spacing: -.045em;
      font-weight: 950;
    }

    .cta-box p {
      margin: 14px 0 0;
      color: rgba(255, 255, 255, .86);
      font-size: 17px;
    }

    .cta-actions {
      display: flex;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 12px;
    }

    .cta-actions .btn-secondary {
      color: #fff;
      border-color: rgba(255, 255, 255, .34);
      background: rgba(255, 255, 255, .16);
      box-shadow: none;
    }

    .cta-actions .btn-primary {
      color: var(--primary-dark);
      background: #fff;
      box-shadow: 0 18px 36px rgba(104, 36, 12, .18);
    }

    .footer {
      padding: 54px 0 26px;
      background: #1e1411;
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .5fr .5fr;
      gap: 34px;
      align-items: start;
    }

    .footer .brand-text span,
    .footer-brand p,
    .footer-links a,
    .footer-note {
      color: rgba(255, 255, 255, .66);
    }

    .footer-brand p {
      max-width: 520px;
      margin: 18px 0 0;
      line-height: 1.85;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      font-size: 16px;
      font-weight: 950;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-note {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .search-form {
        display: none;
      }

      .hero-grid,
      .solution-layout,
      .flow-wrap,
      .cta-box {
        grid-template-columns: 1fr;
      }

      .sticky-panel {
        position: static;
      }

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 860px) {
      .nav-desktop,
      .action-row .btn-secondary,
      .action-row .btn-primary {
        display: none;
      }

      .mobile-toggle {
        display: inline-flex;
      }

      .header-inner {
        min-height: 70px;
      }

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

      .proof-strip,
      .guarantee-bar {
        grid-template-columns: repeat(2, 1fr);
      }

      .solution-card {
        grid-template-columns: auto 1fr;
      }

      .deal-note {
        grid-column: 2;
        justify-self: start;
      }

      .floating-deal {
        position: relative;
        right: auto;
        bottom: auto;
        width: min(330px, 86vw);
        margin: -34px auto 0;
      }
    }

    @media (max-width: 560px) {
      .container-x {
        width: min(100% - 28px, var(--container));
      }

      .brand-text strong {
        max-width: 178px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .brand-text span {
        display: none;
      }

      .section {
        padding: 54px 0;
      }

      .hero-category {
        padding: 48px 0 42px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn-ui {
        width: 100%;
      }

      .proof-strip,
      .guarantee-bar {
        grid-template-columns: 1fr;
      }

      .problem-band,
      .scene-main,
      .lead-form-card,
      .flow-card,
      .promo-panel,
      .cta-box {
        padding: 22px;
        border-radius: 24px;
      }

      .phone-card {
        min-height: 470px;
      }

      .footer-note {
        flex-direction: column;
      }
    }