/* roulang page: index */
:root{
      --bg: #fff7f1;
      --bg-2: #fffdfb;
      --surface: rgba(255,255,255,.92);
      --surface-strong: #ffffff;
      --panel: #fff2e8;
      --line: #ead9cf;
      --line-strong: #d9c1b2;
      --text: #241b18;
      --muted: #6f5f59;
      --muted-2: #8c7b73;
      --primary: #d9381f;
      --primary-2: #f36a2d;
      --primary-3: #ff8b21;
      --accent: #ffcf63;
      --ok: #19a46b;
      --shadow: 0 16px 40px rgba(42, 20, 10, .10);
      --shadow-strong: 0 22px 60px rgba(42, 20, 10, .16);
      --radius: 8px;
      --radius-sm: 6px;
      --radius-lg: 12px;
      --container: 1180px;
      --gap: 24px;
      --gap-sm: 14px;
      --transition: 180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        linear-gradient(180deg, #fffaf6 0%, #fff7f1 26%, #fffaf7 62%, #fffdfc 100%);
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      line-height:1.6;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    img,svg{display:block;max-width:100%}
    a{
      color:inherit;
      text-decoration:none;
      transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    }
    button,input,textarea,select{
      font:inherit;
      color:inherit;
    }
    button{
      border:0;
      background:none;
      padding:0;
      cursor:pointer;
    }
    ::selection{
      background: rgba(217,56,31,.16);
      color: var(--text);
    }
    :focus-visible{
      outline: 3px solid rgba(217,56,31,.28);
      outline-offset: 2px;
    }

    .skip-link{
      position:absolute;
      left:12px;
      top:-48px;
      z-index:100;
      padding:10px 14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      box-shadow:var(--shadow);
    }
    .skip-link:focus{
      top:12px;
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter: blur(16px);
      background: rgba(255, 251, 248, .84);
      border-bottom:1px solid rgba(234,217,207,.7);
    }
    .brand-row{
      display:flex;
      align-items:center;
      gap:16px;
      padding:14px 0 12px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-size:17px;
      font-weight:800;
      letter-spacing:0;
      white-space:nowrap;
    }
    .logo::before{
      content:"";
      width:13px;
      height:13px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary-3));
      box-shadow:0 0 0 4px rgba(217,56,31,.10);
      flex:0 0 auto;
    }
    .brand-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background: rgba(255,255,255,.84);
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .badge-hot{
      border-color: rgba(217,56,31,.24);
      background: rgba(217,56,31,.10);
      color: var(--primary);
      font-weight:700;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:6px;
    }

    .nav-row{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 0 14px;
      overflow:hidden;
      position:relative;
    }
    .nav-row::after{
      content:"";
      position:absolute;
      right:0;
      top:0;
      width:56px;
      height:100%;
      pointer-events:none;
      background: linear-gradient(90deg, rgba(255,251,248,0), rgba(255,251,248,.92));
    }
    .nav-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding-bottom:3px;
      scrollbar-width:none;
      -ms-overflow-style:none;
      flex:1;
    }
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background: rgba(255,255,255,.84);
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
      transition: transform var(--transition), border-color var(--transition), background-color var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .nav-pill:hover{
      transform: translateY(-1px);
      border-color: rgba(217,56,31,.24);
      color: var(--text);
      box-shadow: 0 8px 18px rgba(42,20,10,.08);
    }
    .nav-pill.active{
      background: linear-gradient(135deg, rgba(217,56,31,.96), rgba(243,106,45,.92));
      border-color: transparent;
      color:#fff;
      box-shadow: 0 12px 24px rgba(217,56,31,.22);
    }
    .nav-pill .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background: currentColor;
      opacity:.75;
    }
    .nav-note{
      font-size:12px;
      color:var(--muted-2);
      white-space:nowrap;
      padding-left:4px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 16px;
      border-radius:var(--radius);
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      letter-spacing:0;
      transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
    }
    .btn:active{
      transform: translateY(0);
    }
    .btn-primary{
      color:#fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 14px 26px rgba(217,56,31,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 16px 34px rgba(217,56,31,.30);
    }
    .btn-secondary{
      color: var(--text);
      background: #fff;
      border-color: var(--line);
    }
    .btn-secondary:hover{
      border-color: rgba(217,56,31,.28);
      box-shadow: 0 12px 22px rgba(42,20,10,.08);
    }
    .btn-ghost{
      color: var(--muted);
      background: transparent;
      border-color: transparent;
    }
    .btn-ghost:hover{
      color: var(--text);
      background: rgba(255,255,255,.72);
      border-color: var(--line);
    }
    .btn svg,.icon svg{
      width:16px;
      height:16px;
      flex:0 0 auto;
    }

    main{
      padding-bottom:54px;
    }
    .section{
      padding: 34px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:28px;
      line-height:1.15;
      letter-spacing:0;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      max-width:820px;
      font-size:15px;
    }
    .section-tools{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .tool-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:50%;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      color:var(--text);
      box-shadow: 0 10px 18px rgba(42,20,10,.06);
    }
    .tool-btn:hover{
      transform: translateY(-1px);
      border-color: rgba(217,56,31,.24);
      box-shadow: 0 12px 20px rgba(42,20,10,.10);
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding: 26px 0 18px;
      background:
        radial-gradient(circle at 14% 18%, rgba(255,134,50,.18), transparent 20%),
        radial-gradient(circle at 85% 10%, rgba(217,56,31,.22), transparent 19%),
        linear-gradient(180deg, #221715 0%, #2d1d19 48%, #1d1412 100%);
      color:#fff;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.05) 0 1px, transparent 1px 100%),
        linear-gradient(180deg, rgba(255,255,255,.05) 0 1px, transparent 1px 100%);
      background-size: 52px 52px;
      opacity:.10;
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1.06fr .94fr;
      gap: 28px;
      align-items:center;
      min-height: 580px;
      padding: 20px 0 8px;
    }
    .hero-copy{
      padding: 18px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color: #ffd9c8;
      font-size: 12px;
      font-weight:700;
      letter-spacing:0;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background: linear-gradient(135deg, var(--accent), #ff974a);
      box-shadow:0 0 0 4px rgba(255,204,99,.14);
    }
    .hero h1{
      margin:0;
      font-size: 54px;
      line-height:1.03;
      letter-spacing:0;
      font-weight:900;
      max-width: 10ch;
    }
    .hero-lead{
      margin: 16px 0 0;
      max-width: 36rem;
      color: rgba(255,255,255,.82);
      font-size: 17px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 24px;
      max-width: 560px;
    }
    .stat{
      padding: 14px 14px 13px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      backdrop-filter: blur(8px);
    }
    .stat strong{
      display:block;
      font-size: 24px;
      line-height:1;
      color:#fff;
      margin-bottom:6px;
    }
    .stat span{
      display:block;
      font-size: 12px;
      color: rgba(255,255,255,.70);
    }
    .hero-actions{
      display:flex;
      gap: 12px;
      flex-wrap:wrap;
      margin-top: 24px;
    }
    .btn-on-dark.btn-secondary{
      background: rgba(255,255,255,.10);
      color:#fff;
      border-color: rgba(255,255,255,.16);
    }
    .btn-on-dark.btn-secondary:hover{
      background: rgba(255,255,255,.16);
      border-color: rgba(255,255,255,.28);
    }
    .quick-form{
      margin-top: 22px;
      padding: 16px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .quick-label{
      display:block;
      margin-bottom:10px;
      color: #ffe7d8;
      font-size: 13px;
      font-weight:700;
    }
    .quick-row{
      display:flex;
      gap:10px;
    }
    .quick-row input{
      flex:1;
      min-width:0;
      height:48px;
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(19,10,8,.35);
      color:#fff;
      padding:0 14px;
      outline:none;
    }
    .quick-row input::placeholder{
      color: rgba(255,255,255,.50);
    }
    .quick-row input:focus{
      border-color: rgba(255,204,99,.34);
      box-shadow: 0 0 0 3px rgba(255,204,99,.12);
    }

    .hero-stage{
      position:relative;
      padding: 20px;
      border-radius: 18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)),
        linear-gradient(180deg, rgba(77,41,29,.92), rgba(31,20,18,.96));
      border:1px solid rgba(255,255,255,.10);
      box-shadow: var(--shadow-strong);
      overflow:hidden;
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      inset:auto -10% -22% -10%;
      height: 160px;
      background: linear-gradient(180deg, rgba(255,163,61,.12), transparent 70%);
      pointer-events:none;
    }
    .stage-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .stage-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background: rgba(217,56,31,.18);
      border:1px solid rgba(255,145,107,.18);
      color:#ffdac9;
      font-size:12px;
      font-weight:700;
    }
    .stage-badge i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:#ffcf63;
      box-shadow:0 0 0 4px rgba(255,207,99,.14);
      display:inline-block;
    }
    .stage-meter{
      font-size:12px;
      color: rgba(255,255,255,.65);
    }
    .hero-art{
      width:100%;
      aspect-ratio: 1 / 1.02;
      border-radius: 16px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03)),
        radial-gradient(circle at 18% 18%, rgba(255,207,99,.16), transparent 16%),
        radial-gradient(circle at 80% 22%, rgba(243,106,45,.16), transparent 18%);
    }

    .floating-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }
    .floating-card{
      padding: 13px 14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.09);
    }
    .floating-card strong{
      display:block;
      color:#fff;
      font-size:15px;
      line-height:1.2;
      margin-bottom:4px;
    }
    .floating-card span{
      color: rgba(255,255,255,.70);
      font-size:12px;
    }

    .hot-strip{
      margin-top: 14px;
      padding: 10px 0 0;
    }
    .hot-row{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap:wrap;
      padding: 14px 16px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(255,247,241,.86));
      border:1px solid var(--line);
      box-shadow: 0 12px 26px rgba(42,20,10,.05);
    }
    .hot-row .hot-label{
      font-size:13px;
      font-weight:800;
      color: var(--primary);
    }
    .hot-row .chip{
      display:inline-flex;
      align-items:center;
      padding: 7px 10px;
      border-radius:999px;
      background: rgba(217,56,31,.08);
      color: var(--primary);
      border:1px solid rgba(217,56,31,.12);
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .hot-row .chip.alt{
      background: rgba(255,143,33,.10);
      color: #c55107;
      border-color: rgba(255,143,33,.16);
    }

    .panel{
      padding: 24px;
      border-radius: 16px;
      background: var(--surface);
      border:1px solid var(--line);
      box-shadow: 0 16px 36px rgba(42,20,10,.05);
    }
    .panel.dark{
      background: linear-gradient(180deg, #2a1a18, #1e1412);
      color:#fff;
      border-color: rgba(255,255,255,.08);
      box-shadow: var(--shadow-strong);
    }

    .carousel-wrap{
      position:relative;
    }
    .carousel-track{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 14px;
      overflow-x:auto;
      padding: 4px 2px 10px;
      scroll-snap-type:x mandatory;
      scrollbar-width:none;
      -ms-overflow-style:none;
    }
    .carousel-track::-webkit-scrollbar{display:none}
    .screenshot{
      scroll-snap-align:start;
      min-height: 240px;
      border-radius: 14px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,248,242,.95));
      box-shadow: 0 14px 28px rgba(42,20,10,.06);
      overflow:hidden;
      display:flex;
      flex-direction:column;
    }
    .shot-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding: 14px 14px 10px;
      border-bottom:1px solid rgba(234,217,207,.7);
    }
    .shot-title{
      font-size:15px;
      font-weight:800;
      color:var(--text);
    }
    .shot-tag{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 8px;
      border-radius:999px;
      background: rgba(217,56,31,.10);
      color: var(--primary);
      border:1px solid rgba(217,56,31,.14);
      font-size:12px;
      font-weight:700;
    }
    .shot-body{
      display:grid;
      grid-template-columns: 1fr 86px;
      gap: 12px;
      padding: 14px;
      flex:1;
    }
    .shot-screen{
      border-radius: 12px;
      background:
        linear-gradient(180deg, rgba(217,56,31,.96), rgba(243,106,45,.90));
      color:#fff;
      padding: 14px;
      position:relative;
      overflow:hidden;
    }
    .shot-screen::after{
      content:"";
      position:absolute;
      inset:auto -24% -30% auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background: rgba(255,255,255,.10);
    }
    .shot-screen h3{
      margin:0 0 8px;
      font-size:16px;
      line-height:1.15;
    }
    .shot-screen p{
      margin:0;
      color: rgba(255,255,255,.84);
      font-size:13px;
    }
    .shot-metrics{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .metric{
      padding: 10px 10px 11px;
      border-radius: 12px;
      background: #fff;
      border:1px solid rgba(234,217,207,.9);
    }
    .metric strong{
      display:block;
      color: var(--primary);
      font-size:16px;
      line-height:1;
      margin-bottom:4px;
    }
    .metric span{
      font-size:12px;
      color: var(--muted);
    }
    .shot-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding: 0 14px 14px;
      margin-top:auto;
    }
    .shot-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color: var(--primary);
      font-size:13px;
      font-weight:700;
    }
    .shot-link .arrow{
      width:8px;
      height:8px;
      border-right:2px solid currentColor;
      border-top:2px solid currentColor;
      transform: rotate(45deg);
      margin-top:-1px;
    }
    .carousel-meta{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }

    .feature-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .feature-card{
      padding: 18px;
      border-radius: 14px;
      background: var(--surface-strong);
      border:1px solid var(--line);
      box-shadow: 0 12px 26px rgba(42,20,10,.05);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height: 168px;
    }
    .feature-card:hover{
      transform: translateY(-2px);
      border-color: rgba(217,56,31,.22);
      box-shadow: 0 16px 32px rgba(42,20,10,.08);
    }
    .feature-icon{
      width:42px;
      height:42px;
      border-radius: 12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background: linear-gradient(135deg, rgba(217,56,31,.12), rgba(255,143,33,.14));
      color: var(--primary);
      margin-bottom: 12px;
    }
    .feature-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.2;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .feature-tag{
      margin-top: 12px;
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background: rgba(217,56,31,.08);
      color: var(--primary);
      border:1px solid rgba(217,56,31,.12);
      font-size:12px;
      font-weight:700;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 16px;
      align-items:start;
    }
    .guide-list,
    .check-list,
    .faq-list,
    .news-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .guide-list li,
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px 0;
      border-top:1px solid rgba(234,217,207,.7);
      color:var(--muted);
    }
    .guide-list li:first-child,
    .check-list li:first-child{
      border-top:0;
      padding-top:0;
    }
    .guide-num,
    .check-mark{
      width:30px;
      height:30px;
      border-radius:50%;
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background: rgba(217,56,31,.10);
      color: var(--primary);
      font-weight:800;
      font-size:13px;
      margin-top:1px;
    }
    .check-mark{
      background: rgba(25,164,107,.10);
      color: var(--ok);
    }
    .guide-list strong,
    .check-list strong{
      display:block;
      color:var(--text);
      margin-bottom:4px;
      font-size:15px;
    }
    .guide-list span,
    .check-list span{
      display:block;
      font-size:13px;
    }
    .guide-rail{
      display:grid;
      gap:14px;
    }
    .guide-card{
      padding: 18px;
      border-radius: 14px;
      border:1px solid var(--line);
      background: linear-gradient(180deg, #fff, #fff8f2);
      box-shadow: 0 12px 24px rgba(42,20,10,.05);
    }
    .guide-card h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .guide-card p{
      margin:0 0 12px;
      color:var(--muted);
      font-size:14px;
    }

    .update-box{
      margin-top: 14px;
      padding: 18px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(217,56,31,.08), rgba(255,143,33,.12));
      border:1px solid rgba(217,56,31,.14);
    }
    .update-box h4{
      margin:0 0 10px;
      font-size:16px;
    }
    .update-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .update-list li{
      display:flex;
      gap:10px;
      padding: 10px 0;
      border-top:1px dashed rgba(217,56,31,.16);
      color:var(--muted);
      font-size:13px;
    }
    .update-list li:first-child{
      border-top:0;
      padding-top:0;
    }
    .update-date{
      flex:0 0 auto;
      font-weight:800;
      color:var(--primary);
      min-width:64px;
    }

    .system-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .system-card{
      padding: 18px;
      border-radius: 14px;
      background: var(--surface-strong);
      border:1px solid var(--line);
      box-shadow: 0 12px 24px rgba(42,20,10,.05);
      min-height: 220px;
    }
    .system-card h3{
      margin:0 0 10px;
      font-size:18px;
    }
    .system-card .sys-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .sys-badges .mini{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 9px;
      border-radius:999px;
      background:#f8f2ed;
      border:1px solid var(--line);
      color: var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .system-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .system-card ul{
      margin:12px 0 0;
      padding:0;
      list-style:none;
    }
    .system-card li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:8px 0;
      border-top:1px solid rgba(234,217,207,.7);
      color:var(--muted);
      font-size:13px;
    }
    .system-card li:first-child{border-top:0;padding-top:0}
    .system-dot{
      width:8px;
      height:8px;
      margin-top:6px;
      border-radius:50%;
      background: linear-gradient(135deg, var(--primary), var(--primary-3));
      flex:0 0 auto;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .review-card{
      position:relative;
      padding: 18px;
      border-radius: 14px;
      background: #fff;
      border:1px solid var(--line);
      box-shadow: 0 12px 24px rgba(42,20,10,.05);
      min-height: 190px;
    }
    .review-card::before{
      content:"“";
      position:absolute;
      right:14px;
      top:6px;
      font-size: 46px;
      line-height:1;
      color: rgba(217,56,31,.16);
      font-family: Georgia, serif;
    }
    .review-top{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom: 12px;
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background: linear-gradient(135deg, rgba(217,56,31,.16), rgba(255,143,33,.14));
      color: var(--primary);
      font-weight:800;
      flex:0 0 auto;
    }
    .review-name{
      font-weight:800;
      margin-bottom:2px;
    }
    .review-meta{
      font-size:12px;
      color:var(--muted-2);
    }
    .review-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .review-foot{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .review-chip{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 10px;
      border-radius:999px;
      background: rgba(25,164,107,.10);
      color: var(--ok);
      border:1px solid rgba(25,164,107,.16);
      font-size:12px;
      font-weight:700;
    }
    .review-chip.hot{
      background: rgba(217,56,31,.09);
      color: var(--primary);
      border-color: rgba(217,56,31,.14);
    }

    .news-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 16px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding: 14px 0;
      border-top:1px solid rgba(234,217,207,.75);
    }
    .news-item:first-child{
      border-top:0;
      padding-top:0;
    }
    .news-time{
      flex:0 0 auto;
      font-size:12px;
      font-weight:800;
      color: var(--primary);
      min-width:72px;
      padding-top:2px;
    }
    .news-link{
      display:block;
      font-size:15px;
      font-weight:700;
      line-height:1.35;
      margin-bottom:4px;
    }
    .news-link:hover{
      color: var(--primary);
    }
    .news-desc{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .news-card{
      padding: 18px;
      border-radius: 14px;
      background:
        linear-gradient(180deg, rgba(217,56,31,.08), rgba(255,255,255,.92));
      border:1px solid rgba(217,56,31,.14);
      box-shadow: 0 12px 24px rgba(42,20,10,.05);
    }
    .news-card h3{
      margin:0 0 10px;
      font-size:18px;
    }
    .news-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:14px;
    }
    .news-card .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:13px;
    }

    .trust-strip{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }
    .trust-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 16px;
      border-radius: 14px;
      background: linear-gradient(180deg, #fff, #fff7f2);
      border:1px solid var(--line);
      box-shadow: 0 12px 24px rgba(42,20,10,.05);
    }
    .trust-icon{
      width:40px;
      height:40px;
      border-radius: 12px;
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background: linear-gradient(135deg, rgba(217,56,31,.12), rgba(255,143,33,.12));
      color: var(--primary);
    }
    .trust-item strong{
      display:block;
      margin-bottom:4px;
      font-size:15px;
    }
    .trust-item span{
      display:block;
      color:var(--muted);
      font-size:13px;
    }

    .cta-band{
      padding: 24px;
      border-radius: 18px;
      background:
        linear-gradient(135deg, rgba(217,56,31,.98), rgba(243,106,45,.95));
      color:#fff;
      box-shadow: var(--shadow-strong);
      overflow:hidden;
      position:relative;
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:auto -18% -32% auto;
      width:280px;
      height:280px;
      border-radius:50%;
      background: rgba(255,255,255,.10);
      pointer-events:none;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.08) 0 1px, transparent 1px 100%),
        linear-gradient(180deg, rgba(255,255,255,.08) 0 1px, transparent 1px 100%);
      background-size: 54px 54px;
      opacity:.10;
      pointer-events:none;
    }
    .cta-wrap{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .cta-copy{
      max-width: 720px;
    }
    .cta-copy h2{
      margin:0 0 8px;
      font-size: 30px;
      line-height:1.12;
    }
    .cta-copy p{
      margin:0;
      color: rgba(255,255,255,.86);
      font-size:15px;
    }
    .cta-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .btn-light{
      background:#fff;
      color: var(--primary);
      border-color:#fff;
    }
    .btn-light:hover{
      box-shadow: 0 16px 28px rgba(42,20,10,.14);
    }
    .btn-soft{
      background: rgba(255,255,255,.12);
      color:#fff;
      border-color: rgba(255,255,255,.18);
    }
    .btn-soft:hover{
      background: rgba(255,255,255,.18);
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius: 14px;
      border:1px solid var(--line);
      background:#fff;
      overflow:hidden;
      box-shadow: 0 10px 20px rgba(42,20,10,.04);
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding: 16px 18px;
      text-align:left;
      background: linear-gradient(180deg, #fff, #fffaf6);
      font-weight:800;
      font-size:15px;
      color:var(--text);
    }
    .faq-q:hover{
      background: #fff7f1;
    }
    .faq-q .mark{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:28px;
      height:28px;
      border-radius:50%;
      flex:0 0 auto;
      background: rgba(217,56,31,.10);
      color: var(--primary);
      transition: transform var(--transition);
    }
    .faq-item[aria-expanded="true"] .faq-q .mark{
      transform: rotate(45deg);
    }
    .faq-a{
      padding: 0 18px 16px;
      color:var(--muted);
      font-size:14px;
      display:none;
    }
    .faq-item[aria-expanded="true"] .faq-a{
      display:block;
    }

    .footer{
      margin-top: 18px;
      padding: 28px 0 34px;
      border-top:1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,248,242,.92));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr .7fr;
      gap: 18px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .footer p,
    .footer a{
      font-size:14px;
      color:var(--muted);
    }
    .footer a:hover{
      color: var(--primary);
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(234,217,207,.8);
      color: var(--muted-2);
      font-size:12px;
    }
    .footer-note .sep{
      width:4px;
      height:4px;
      border-radius:50%;
      background: currentColor;
      opacity:.45;
    }

    @media (max-width: 1120px){
      .hero-grid{
        grid-template-columns: 1fr;
        min-height: auto;
      }
      .hero h1{
        max-width:none;
      }
      .feature-grid,
      .trust-strip,
      .system-grid,
      .review-grid{
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .news-grid,
      .two-col,
      .footer-grid{
        grid-template-columns: 1fr;
      }
      .section-head,
      .cta-wrap{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-tools{
        justify-content:flex-start;
      }
    }

    @media (max-width: 760px){
      .brand-row{
        align-items:flex-start;
        flex-direction:column;
      }
      .brand-meta{
        margin-left:0;
      }
      .header-actions{
        margin-left:0;
        flex-wrap:wrap;
      }
      .hero{
        padding-top: 16px;
      }
      .hero h1{
        font-size: 38px;
      }
      .hero-lead{
        font-size: 15px;
      }
      .hero-stats{
        grid-template-columns: 1fr;
        max-width:none;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .hero-actions .btn,
      .cta-actions .btn,
      .header-actions .btn{
        width:100%;
      }
      .quick-row{
        flex-direction:column;
      }
      .feature-grid,
      .trust-strip,
      .system-grid,
      .review-grid{
        grid-template-columns: 1fr;
      }
      .section{
        padding: 26px 0;
      }
      .section-title{
        font-size: 24px;
      }
      .cta-copy h2{
        font-size: 24px;
      }
      .panel{
        padding: 18px;
      }
      .hot-row{
        align-items:flex-start;
      }
      .nav-note{
        display:none;
      }
      .carousel-track{
        grid-auto-columns: minmax(240px, 88%);
      }
      .shot-body{
        grid-template-columns: 1fr;
      }
      .shot-metrics{
        flex-direction:row;
      }
      .hero-stage{
        padding: 14px;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 20px));
      }
      .logo{
        font-size:16px;
      }
      .nav-pill{
        min-height:36px;
        padding:0 12px;
        font-size:13px;
      }
      .hero h1{
        font-size: 32px;
      }
      .hero-copy,
      .hero-stage,
      .cta-band,
      .panel{
        border-radius: 14px;
      }
      .feature-card,
      .review-card,
      .system-card,
      .news-card,
      .trust-item{
        border-radius: 12px;
      }
      .faq-q{
        padding: 14px 14px;
        font-size:14px;
      }
      .faq-a{
        padding: 0 14px 14px;
      }
      .floating-grid{
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#fbf6f1;
      --surface:#ffffff;
      --surface-2:#fff5ee;
      --surface-3:#1f1714;
      --text:#221814;
      --muted:#7a675d;
      --line:#eadfd7;
      --line-strong:#d7c8be;
      --primary:#e63a1f;
      --primary-2:#ff7a18;
      --primary-3:#ffb24a;
      --accent:#ffe7d7;
      --dark:#170f0d;
      --shadow:0 18px 40px rgba(60,26,16,.10);
      --shadow-soft:0 12px 28px rgba(60,26,16,.08);
      --radius:18px;
      --radius-sm:10px;
      --radius-xs:8px;
      --container:1180px;
      --gap:24px;
      --header-h:88px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,122,24,.10), transparent 25%),
        radial-gradient(circle at top right, rgba(230,58,31,.08), transparent 22%),
        linear-gradient(180deg, #fffaf6 0%, var(--bg) 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,summary{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(230,58,31,.18);color:var(--dark)}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(251,246,241,.92);
      border-bottom:1px solid rgba(234,223,215,.92);
      box-shadow:0 6px 24px rgba(32,15,8,.04);
    }
    .brand-row{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 0 10px;
      flex-wrap:wrap;
    }
    .logo{
      font-size:1.18rem;
      font-weight:900;
      letter-spacing:.02em;
      color:var(--dark);
      white-space:nowrap;
    }
    .brand-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-left:auto;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      font-size:.82rem;
      color:#7d4b37;
      background:linear-gradient(180deg, #fff4eb, #ffe9da);
      border:1px solid rgba(230,58,31,.10);
      white-space:nowrap;
    }
    .badge-hot{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 10px 22px rgba(230,58,31,.22);
      border-color:transparent;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:14px;
      flex-wrap:wrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space:nowrap;
    }
    .btn svg{width:16px;height:16px}
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,
    .nav-pill:focus-visible,
    .channel-pill:focus-visible,
    .card-action:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(255,122,24,.28);
      outline-offset:2px;
    }
    .btn-ghost{
      color:var(--text);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 8px 18px rgba(36,17,9,.05);
    }
    .btn-ghost:hover{
      color:var(--primary);
      border-color:rgba(230,58,31,.25);
      box-shadow:0 12px 24px rgba(36,17,9,.08);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 14px 30px rgba(230,58,31,.24);
    }
    .btn-primary:hover{
      box-shadow:0 18px 34px rgba(230,58,31,.28);
    }
    .nav-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:0 0 14px;
    }
    .nav-scroll{
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
      scrollbar-width:none;
      padding-bottom:4px;
      mask-image:linear-gradient(90deg, #000 92%, transparent 100%);
    }
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-pill{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:40px;
      padding:0 15px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#513d33;
      font-weight:700;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .nav-pill .dot,
    .channel-pill .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 4px rgba(230,58,31,.08);
    }
    .nav-pill:hover{
      color:var(--primary);
      border-color:rgba(230,58,31,.22);
      box-shadow:0 10px 18px rgba(36,17,9,.08);
      transform:translateY(-1px);
    }
    .nav-pill.active{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      border-color:transparent;
      box-shadow:0 12px 22px rgba(230,58,31,.22);
    }
    .nav-note{
      flex:0 0 auto;
      font-size:.88rem;
      color:var(--muted);
      background:var(--surface-2);
      border:1px dashed var(--line);
      border-radius:999px;
      padding:8px 12px;
      white-space:nowrap;
    }
    main{padding-bottom:52px}
    .hero{
      padding:28px 0 12px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,183,83,.18), transparent 18%),
        radial-gradient(circle at 78% 20%, rgba(255,122,24,.20), transparent 16%),
        linear-gradient(135deg, #241714 0%, #18110f 55%, #261815 100%);
      color:#fff;
      box-shadow:0 26px 70px rgba(28,14,10,.25);
      border:1px solid rgba(255,255,255,.08);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        linear-gradient(120deg, rgba(255,255,255,.07), transparent 25%),
        radial-gradient(circle at bottom right, rgba(255,122,24,.15), transparent 26%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      padding:34px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#ffe9da;
      font-size:.85rem;
      font-weight:700;
      letter-spacing:.04em;
      text-transform:uppercase;
    }
    .hero-title{
      margin:16px 0 12px;
      font-size:clamp(2rem, 4vw, 3.6rem);
      line-height:1.08;
      letter-spacing:-.02em;
      font-weight:900;
    }
    .hero-desc{
      margin:0;
      color:rgba(255,248,243,.84);
      font-size:1.02rem;
      max-width:42rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0 18px;
    }
    .hero-actions .btn{
      min-height:46px;
      padding:0 18px;
    }
    .btn-soft{
      background:rgba(255,255,255,.07);
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .btn-soft:hover{
      background:rgba(255,255,255,.11);
      border-color:rgba(255,255,255,.24);
    }
    .hero-points{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .hero-points li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:rgba(255,248,243,.88);
      font-size:.98rem;
    }
    .hero-points li::before{
      content:"";
      width:10px;
      height:10px;
      margin-top:.48em;
      border-radius:50%;
      background:linear-gradient(135deg, #ffb24a, #ff7a18);
      box-shadow:0 0 0 4px rgba(255,178,74,.14);
      flex:0 0 auto;
    }
    .hero-panel{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .board{
      height:100%;
      border-radius:24px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06)),
        rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(6px);
      padding:18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .board-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .board-title{
      margin:0;
      font-size:1.06rem;
      font-weight:800;
    }
    .board-score{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(255,122,24,.18), rgba(230,58,31,.26));
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-weight:800;
    }
    .board-list{
      display:grid;
      gap:12px;
    }
    .board-item{
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .board-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
      font-size:.92rem;
    }
    .board-name{
      font-weight:700;
    }
    .board-chip{
      padding:4px 8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#ffd9c2;
      font-size:.78rem;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, #ffd37e, #ff8a1f, #e63a1f);
    }
    .board-foot{
      margin-top:14px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mini-stat{
      padding:12px 10px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      text-align:center;
    }
    .mini-stat strong{
      display:block;
      color:#fff;
      font-size:1.15rem;
      line-height:1.2;
      margin-bottom:4px;
    }
    .mini-stat span{
      color:rgba(255,248,243,.72);
      font-size:.82rem;
    }
    .section{
      padding:28px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
      flex-wrap:wrap;
    }
    .section-kicker{
      margin:0 0 8px;
      color:var(--primary);
      font-size:.88rem;
      font-weight:800;
      letter-spacing:.05em;
      text-transform:uppercase;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.45rem, 2vw, 2rem);
      line-height:1.15;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:48rem;
    }
    .channel-strip{
      padding:6px 0 8px;
    }
    .channel-box{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg, #fff, #fff9f4);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .channel-row{
      display:flex;
      gap:10px;
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
      padding-bottom:4px;
      scrollbar-width:none;
      mask-image:linear-gradient(90deg, #000 92%, transparent 100%);
    }
    .channel-row::-webkit-scrollbar{display:none}
    .channel-pill{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#5c463c;
      font-weight:700;
      box-shadow:0 8px 18px rgba(26,12,7,.04);
      transition:transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .channel-pill:hover{
      color:var(--primary);
      border-color:rgba(230,58,31,.22);
      transform:translateY(-1px);
      box-shadow:0 12px 24px rgba(26,12,7,.08);
    }
    .channel-pill.active{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 16px 28px rgba(230,58,31,.22);
    }
    .channel-hint{
      margin-top:10px;
      color:var(--muted);
      font-size:.88rem;
    }
    .catalog-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .catalog-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height:100%;
    }
    .catalog-card:hover{
      transform:translateY(-3px);
      border-color:rgba(230,58,31,.18);
      box-shadow:var(--shadow);
    }
    .card-thumb{
      position:relative;
      min-height:138px;
      padding:16px;
      background:
        radial-gradient(circle at 18% 22%, rgba(255,255,255,.24), transparent 22%),
        linear-gradient(135deg, rgba(230,58,31,.98), rgba(255,122,24,.94) 58%, rgba(255,178,74,.88));
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .card-index{
      align-self:flex-start;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.18);
      font-size:.78rem;
      letter-spacing:.08em;
      font-weight:800;
    }
    .card-badge{
      align-self:flex-end;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(20,12,10,.18);
      border:1px solid rgba(255,255,255,.16);
      font-weight:800;
      font-size:.8rem;
    }
    .thumb-meta{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:12px;
    }
    .thumb-meta strong{
      font-size:1.25rem;
      line-height:1.1;
      letter-spacing:-.02em;
    }
    .thumb-meta span{
      display:block;
      margin-top:4px;
      color:rgba(255,255,255,.82);
      font-size:.84rem;
    }
    .card-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:16px;
      flex:1;
    }
    .card-title{
      margin:0;
      font-size:1.05rem;
      line-height:1.35;
      font-weight:900;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 10px;
      border-radius:999px;
      font-size:.78rem;
      font-weight:700;
      color:#8a4e29;
      background:#fff1e8;
      border:1px solid #ffd7bc;
    }
    .tag.hot{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      border-color:transparent;
    }
    .card-desc{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .card-stats{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:8px;
    }
    .stat{
      padding:10px 8px;
      border-radius:12px;
      background:var(--surface-2);
      border:1px solid var(--line);
      text-align:center;
    }
    .stat strong{
      display:block;
      color:var(--primary);
      font-size:1rem;
      line-height:1.15;
    }
    .stat span{
      display:block;
      margin-top:3px;
      color:var(--muted);
      font-size:.75rem;
    }
    .card-actions{
      display:flex;
      gap:10px;
      margin-top:auto;
    }
    .card-action{
      flex:1;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 12px;
      border-radius:12px;
      font-size:.92rem;
      font-weight:800;
      border:1px solid var(--line);
      background:#fff;
      color:#5d463c;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    }
    .card-action:hover{
      transform:translateY(-1px);
      border-color:rgba(230,58,31,.20);
      box-shadow:0 12px 22px rgba(36,17,9,.08);
      color:var(--primary);
    }
    .card-action.primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      border-color:transparent;
    }
    .card-action.primary:hover{
      color:#fff;
      box-shadow:0 14px 24px rgba(230,58,31,.22);
    }
    .dual-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:18px;
    }
    .info-panel{
      background:linear-gradient(180deg, #fff, #fffaf4);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .spec-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
      margin-top:16px;
    }
    .spec{
      padding:14px 12px;
      border-radius:18px;
      background:var(--surface-2);
      border:1px solid var(--line);
    }
    .spec strong{
      display:block;
      font-size:1rem;
      margin-bottom:6px;
      color:var(--dark);
    }
    .spec span{
      color:var(--muted);
      font-size:.92rem;
      line-height:1.55;
    }
    .review-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .review-card{
      position:relative;
      padding:18px 18px 16px;
      background:linear-gradient(180deg, #fff, #fff9f4);
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-soft);
    }
    .review-card::before{
      content:"“";
      position:absolute;
      top:12px;
      right:16px;
      font-size:3.2rem;
      line-height:1;
      color:rgba(230,58,31,.12);
      font-weight:900;
    }
    .review-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
    }
    .avatar{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:50%;
      background:linear-gradient(135deg, #ff7a18, #e63a1f);
      color:#fff;
      font-weight:900;
      box-shadow:0 10px 20px rgba(230,58,31,.18);
      flex:0 0 auto;
    }
    .review-user{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .review-name{
      display:block;
      font-weight:800;
      line-height:1.2;
    }
    .review-role{
      display:block;
      font-size:.84rem;
      color:var(--muted);
      margin-top:2px;
    }
    .review-badge{
      padding:6px 10px;
      border-radius:999px;
      background:#fff1e8;
      color:#9d4d25;
      border:1px solid #ffd7bc;
      font-size:.78rem;
      font-weight:700;
      white-space:nowrap;
    }
    .review-text{
      margin:0;
      color:#4b3b33;
      line-height:1.75;
    }
    .trust-bar{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 15px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 20px rgba(35,15,8,.05);
    }
    .trust-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 10px 18px rgba(230,58,31,.18);
      flex:0 0 auto;
    }
    .trust-icon svg{width:20px;height:20px}
    .trust-item strong{
      display:block;
      font-size:.98rem;
      margin-bottom:3px;
    }
    .trust-item span{
      display:block;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.5;
    }
    .faq{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    details.faq-item[open]{
      border-color:rgba(230,58,31,.18);
    }
    .faq-item summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 18px;
      font-weight:800;
      color:var(--dark);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      flex:0 0 auto;
      width:28px;
      height:28px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      background:#fff3ec;
      border:1px solid #ffd9c2;
      font-size:1.1rem;
      transition:transform var(--transition), background var(--transition);
    }
    details[open] summary::after{
      content:"–";
      transform:rotate(0deg);
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      color:#fff;
      border-color:transparent;
    }
    .faq-content{
      padding:0 18px 18px;
      color:var(--muted);
      line-height:1.8;
    }
    .cta-shell{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        radial-gradient(circle at top left, rgba(255,255,255,.18), transparent 24%),
        linear-gradient(135deg, #241714 0%, #341913 52%, #1b1411 100%);
      color:#fff;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 26px 56px rgba(26,12,8,.22);
      padding:30px;
    }
    .cta-shell .section-title,
    .cta-shell .section-desc{color:#fff}
    .cta-shell .section-desc{color:rgba(255,248,243,.82)}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .cta-note{
      margin-top:14px;
      color:rgba(255,248,243,.74);
      font-size:.94rem;
    }
    .footer{
      margin-top:36px;
      padding:34px 0 20px;
      background:linear-gradient(180deg, #1d1411, #140f0d);
      color:#f7eae2;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr;
      gap:22px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:1.02rem;
      font-weight:800;
      color:#fff;
    }
    .footer p{
      margin:0;
      color:rgba(247,234,226,.76);
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:#fff;
      border:1px solid rgba(255,255,255,.08);
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .footer-links a:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.1);
      border-color:rgba(255,255,255,.16);
    }
    .footer-note{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:rgba(247,234,226,.68);
      font-size:.9rem;
    }
    .sep{
      width:4px;
      height:4px;
      border-radius:999px;
      background:rgba(247,234,226,.42);
    }
    @media (max-width: 1100px){
      .hero-grid{grid-template-columns:1fr}
      .catalog-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
      .review-grid,.trust-bar,.spec-grid,.footer-grid,.dual-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
    }
    @media (max-width: 820px){
      :root{--header-h:auto}
      .brand-row{align-items:flex-start}
      .brand-meta,.header-actions{margin-left:0}
      .nav-row{flex-direction:column;align-items:stretch}
      .nav-note{align-self:flex-start}
      .hero-grid,.footer-grid,.review-grid,.trust-bar,.spec-grid,.dual-grid{grid-template-columns:1fr}
      .catalog-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .hero-shell,.cta-shell{border-radius:22px}
      .hero-grid{padding:24px}
      .board-foot{grid-template-columns:1fr}
    }
    @media (max-width: 560px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .brand-row{gap:12px}
      .logo{font-size:1.04rem}
      .badge,.nav-note{font-size:.78rem}
      .btn{min-height:40px;padding:0 14px}
      .hero{padding-top:20px}
      .hero-grid{padding:18px}
      .hero-title{font-size:1.82rem}
      .section{padding:22px 0}
      .catalog-grid{grid-template-columns:1fr}
      .card-stats{grid-template-columns:1fr}
      .card-actions{flex-direction:column}
      .faq-item summary{padding:16px}
      .faq-content{padding:0 16px 16px}
      .cta-shell{padding:22px}
      .footer{padding-top:28px}
    }
