/* roulang page: index */
:root{
      --ink:#151313;
      --ink-2:#1e1718;
      --wine:#7a1f2b;
      --wine-dark:#5f1721;
      --rose:#b98286;
      --cream:#f6f0ea;
      --cream-2:#efe5dc;
      --warm:#d8cec6;
      --paper:#fffaf5;
      --text:#241c1d;
      --muted:#756a67;
      --line:rgba(91,70,66,.16);
      --line-dark:rgba(255,255,255,.13);
      --shadow:0 18px 50px rgba(20,15,15,.08);
      --shadow-hover:0 24px 70px rgba(122,31,43,.16);
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:30px;
      --side:232px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,var(--cream) 0%,#fbf6f0 38%,#f1e8df 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--wine)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(122,31,43,.18);color:var(--ink)}
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{
      left:18px;top:18px;width:auto;height:auto;z-index:1000;background:var(--paper);
      padding:10px 14px;border-radius:999px;box-shadow:var(--shadow);
    }

    .site-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--side);
      background:linear-gradient(180deg,#191414 0%,#221819 62%,#171313 100%);
      color:#fff;
      z-index:50;
      border-right:1px solid var(--line-dark);
      display:flex;
      flex-direction:column;
      padding:24px 18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-height:54px;
      color:#fff;
      margin-bottom:28px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:radial-gradient(circle at 30% 25%,#d8a1a5 0 18%,#8d2632 48%,#35171a 100%);
      box-shadow:0 12px 28px rgba(122,31,43,.36),inset 0 0 0 1px rgba(255,255,255,.16);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:12px;height:12px;border-radius:999px;
      right:8px;bottom:8px;
      background:#f6f0ea;
      opacity:.9;
    }
    .brand-text strong{
      display:block;
      font-size:16px;
      line-height:1.25;
      letter-spacing:.01em;
      max-width:142px;
    }
    .brand-text span{
      display:block;
      margin-top:4px;
      font-size:12px;
      color:rgba(255,255,255,.58);
    }
    .nav-menu{
      list-style:none;
      padding:0;
      margin:0;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .nav-menu a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 13px;
      border-radius:999px;
      color:rgba(255,255,255,.76);
      font-size:15px;
      position:relative;
    }
    .nav-menu a .nav-dot{
      width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.24);
      transition:var(--ease);
    }
    .nav-menu a:hover{
      transform:translateX(3px);
      background:rgba(255,255,255,.07);
      color:#fff;
    }
    .nav-menu a.active{
      background:rgba(122,31,43,.92);
      color:#fff;
      box-shadow:0 14px 32px rgba(122,31,43,.32);
    }
    .nav-menu a.active .nav-dot{background:#fff}
    .side-footer{
      margin-top:auto;
      padding:16px;
      border:1px solid var(--line-dark);
      border-radius:20px;
      background:rgba(255,255,255,.05);
    }
    .status-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-size:13px;
      color:rgba(255,255,255,.72);
    }
    .pulse{
      width:9px;height:9px;border-radius:999px;background:#89d49b;
      box-shadow:0 0 0 0 rgba(137,212,155,.58);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(137,212,155,.58)}
      70%{box-shadow:0 0 0 10px rgba(137,212,155,0)}
      100%{box-shadow:0 0 0 0 rgba(137,212,155,0)}
    }
    .age-note{
      margin:12px 0 0;
      font-size:12px;
      line-height:1.6;
      color:rgba(255,255,255,.52);
    }

    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(21,19,19,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line-dark);
      padding:10px 14px;
    }
    .mobile-topbar .brand{margin:0;min-height:44px}
    .mobile-topbar .brand-text strong{font-size:14px;max-width:190px}
    .menu-toggle{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      color:#fff;
      width:44px;height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      transition:var(--ease);
    }
    .menu-toggle:hover,.menu-toggle:focus{background:rgba(122,31,43,.62);outline:none}
    .off-canvas{
      background:#171313;
      color:#fff;
      padding:20px;
    }
    .off-canvas .nav-menu a{font-size:16px;padding:14px}
    .off-canvas .brand{margin-bottom:22px}
    .js-off-canvas-overlay{background:rgba(12,10,10,.58)}

    .main-content{
      margin-left:var(--side);
      min-height:100vh;
    }
    .page-container{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
    }
    section{
      padding:86px 0;
      position:relative;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(122,31,43,.08);
      color:var(--wine);
      font-size:13px;
      font-weight:700;
      margin-bottom:14px;
    }
    .section-kicker:before{
      content:"";
      width:7px;height:7px;border-radius:999px;background:var(--wine);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,56px);
      line-height:1.13;
      letter-spacing:-.04em;
      color:#fff;
      margin-bottom:20px;
      max-width:860px;
    }
    h2{
      font-size:clamp(28px,3.6vw,38px);
      line-height:1.22;
      letter-spacing:-.025em;
      color:var(--ink);
      margin-bottom:16px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      color:var(--ink);
      margin-bottom:10px;
    }
    .lead{
      font-size:18px;
      color:rgba(255,255,255,.76);
      max-width:780px;
      margin-bottom:28px;
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin-bottom:28px;
    }

    .button,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:13px 22px;
      min-height:48px;
      font-weight:700;
      border:1px solid transparent;
      transition:var(--ease);
      line-height:1.2;
      margin:0;
    }
    .button.primary,.btn-primary{
      background:var(--wine);
      color:#fff;
      box-shadow:0 14px 34px rgba(122,31,43,.28);
    }
    .button.primary:hover,.button.primary:focus,.btn-primary:hover,.btn-primary:focus{
      background:var(--wine-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(122,31,43,.34);
      outline:none;
    }
    .btn-secondary{
      color:#fff;
      border-color:rgba(255,255,255,.24);
      background:rgba(255,255,255,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:rgba(255,255,255,.12);
      color:#fff;
      transform:translateY(-2px);
      outline:none;
    }
    .btn-ghost{
      color:var(--wine);
      border-color:rgba(122,31,43,.22);
      background:rgba(255,255,255,.56);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      background:var(--wine);
      transform:translateY(-2px);
      outline:none;
    }
    .button-group-custom{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      color:#fff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
    }
    .badge:before{
      content:"";
      width:7px;height:7px;border-radius:999px;background:#e1b2b5;
    }

    .hero{
      min-height:740px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        radial-gradient(circle at 82% 18%,rgba(185,130,134,.28) 0 12%,transparent 32%),
        radial-gradient(circle at 20% 18%,rgba(122,31,43,.38) 0 10%,transparent 35%),
        linear-gradient(135deg,#151313 0%,#211718 52%,#120f0f 100%);
      padding:72px 0 92px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.1));
      pointer-events:none;
    }
    .hero-stage{
      position:relative;
      z-index:2;
    }
    .hero-cover{
      border-radius:34px;
      padding:30px;
      background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.13);
      box-shadow:0 34px 90px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .live-ribbon{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      margin-bottom:28px;
      color:#fff;
    }
    .live-label{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 14px;
      border-radius:999px;
      background:rgba(122,31,43,.9);
      font-weight:800;
      letter-spacing:.02em;
    }
    .countdown{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .count-box{
      min-width:58px;
      padding:9px 10px;
      border-radius:16px;
      text-align:center;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
    }
    .count-box strong{
      display:block;
      font-size:21px;
      line-height:1;
    }
    .count-box span{
      display:block;
      margin-top:4px;
      font-size:11px;
      color:rgba(255,255,255,.58);
    }
    .hero-tool-board{
      margin-top:32px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .route-panel,.steps-panel,.entry-card{
      border-radius:24px;
      background:rgba(246,240,234,.96);
      border:1px solid rgba(255,255,255,.2);
      box-shadow:0 22px 52px rgba(0,0,0,.16);
      padding:22px;
      color:var(--text);
    }
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .panel-head strong{font-size:17px;color:var(--ink)}
    .status-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(46,135,82,.1);
      color:#267046;
      font-size:12px;
      font-weight:800;
    }
    .status-chip:before{content:"";width:7px;height:7px;border-radius:50%;background:#34a853}
    .route-list{display:grid;gap:12px}
    .route-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      border-radius:18px;
      background:#fffaf5;
      border:1px solid var(--line);
    }
    .route-code{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(122,31,43,.1);
      color:var(--wine);
      font-weight:900;
    }
    .route-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
    .bar{
      height:8px;border-radius:999px;background:#eadfd6;overflow:hidden;margin-top:7px;
    }
    .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--wine),var(--rose))}
    .route-speed{font-size:12px;color:var(--wine);font-weight:800}
    .steps-panel{
      background:linear-gradient(180deg,rgba(255,250,245,.98),rgba(245,235,226,.98));
    }
    .step-list{counter-reset:step;display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .step-list li{
      counter-increment:step;
      display:grid;
      grid-template-columns:34px 1fr;
      gap:10px;
      align-items:start;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.66);
      border:1px solid var(--line);
    }
    .step-list li:before{
      content:counter(step);
      width:34px;height:34px;border-radius:999px;
      background:var(--ink);
      color:#fff;
      display:grid;place-items:center;
      font-weight:800;
      font-size:13px;
    }
    .step-list strong{display:block;line-height:1.4}
    .step-list span{display:block;color:var(--muted);font-size:13px;line-height:1.45;margin-top:2px}
    .hero-note{
      margin:18px 0 0;
      color:rgba(255,255,255,.58);
      font-size:13px;
      line-height:1.65;
      max-width:820px;
    }

    .selling{
      background:var(--paper);
    }
    .selling-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-stack{
      display:grid;
      gap:16px;
    }
    .feature-row{
      display:grid;
      grid-template-columns:76px 1fr;
      gap:18px;
      padding:24px;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .feature-row:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(122,31,43,.28);
    }
    .feature-icon{
      width:64px;height:64px;border-radius:22px;
      display:grid;place-items:center;
      background:linear-gradient(145deg,rgba(122,31,43,.12),rgba(185,130,134,.16));
      color:var(--wine);
      font-size:26px;
      font-weight:900;
    }
    .feature-row p{color:var(--muted);margin:0}
    .highlight-card{
      padding:30px;
      border-radius:var(--radius-lg);
      background:linear-gradient(155deg,var(--ink) 0%,#2a1a1c 100%);
      color:#fff;
      box-shadow:0 26px 64px rgba(21,19,19,.18);
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .highlight-card:after{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:50%;
      right:-70px;top:-70px;
      background:rgba(185,130,134,.18);
    }
    .highlight-card h3{color:#fff;font-size:26px}
    .highlight-card p{color:rgba(255,255,255,.7)}
    .metric-row{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .metric strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:#fff;
    }
    .metric span{
      display:block;
      margin-top:6px;
      font-size:13px;
      color:rgba(255,255,255,.62);
    }

    .demo{
      background:linear-gradient(180deg,#f6f0ea 0%,#efe5dc 100%);
    }
    .orbit{
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid var(--line);
      background:#fff;
    }
    .orbit-slide-card{
      min-height:430px;
      padding:34px;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:26px;
      align-items:center;
      background:
        radial-gradient(circle at 82% 20%,rgba(185,130,134,.2),transparent 32%),
        linear-gradient(135deg,#fffaf5,#f2e8df);
    }
    .screenshot-ui{
      border-radius:28px;
      background:var(--ink);
      padding:18px;
      box-shadow:0 26px 56px rgba(21,19,19,.22);
      border:1px solid rgba(255,255,255,.12);
    }
    .ui-top{
      display:flex;gap:7px;margin-bottom:16px;
    }
    .ui-top span{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.3)}
    .ui-lines{display:grid;gap:12px}
    .ui-card{
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      color:#fff;
    }
    .ui-card small{color:rgba(255,255,255,.55)}
    .ui-progress{
      height:8px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden;margin-top:10px;
    }
    .ui-progress span{display:block;height:100%;background:linear-gradient(90deg,#b98286,#f6f0ea);border-radius:999px}
    .demo-copy .tag{
      display:inline-block;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(122,31,43,.1);
      color:var(--wine);
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .demo-copy p{color:var(--muted);font-size:17px}
    .orbit-bullets button{
      width:10px;height:10px;background:rgba(122,31,43,.24);
    }
    .orbit-bullets button.is-active{background:var(--wine)}
    .orbit-previous,.orbit-next{
      background:rgba(21,19,19,.72);
      border-radius:999px;
      width:42px;height:42px;
      display:grid;place-items:center;
    }
    .orbit-previous:hover,.orbit-next:hover{background:var(--wine)}

    .requirements{
      background:#fffaf5;
    }
    .req-layout{
      display:grid;
      grid-template-columns:1fr 340px;
      gap:22px;
      align-items:start;
    }
    .req-table-card{
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow);
      border:1px solid var(--line);
    }
    table.req-table{
      width:100%;
      margin:0;
      border-collapse:separate;
      border-spacing:0;
    }
    .req-table th,.req-table td{
      padding:18px 20px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
      color:var(--text);
    }
    .req-table th{
      width:28%;
      background:#f5ede5;
      color:var(--ink);
      font-weight:900;
    }
    .req-table tr:last-child th,.req-table tr:last-child td{border-bottom:none}
    .req-side{
      display:grid;
      gap:14px;
    }
    .req-tip{
      padding:22px;
      border-radius:24px;
      background:var(--ink);
      color:#fff;
      border:1px solid rgba(255,255,255,.1);
    }
    .req-tip.light{
      background:#fff;
      color:var(--text);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .req-tip h3{color:inherit;margin-bottom:8px}
    .req-tip p{margin:0;color:rgba(255,255,255,.68)}
    .req-tip.light p{color:var(--muted)}

    .trust{
      background:linear-gradient(180deg,#efe5dc 0%,#f6f0ea 100%);
    }
    .review-wall{
      columns:3 260px;
      column-gap:18px;
    }
    .review-card{
      break-inside:avoid;
      margin:0 0 18px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .review-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
    }
    .review-card.dark{
      background:linear-gradient(145deg,var(--ink),#2a1b1d);
      color:#fff;
    }
    .review-card.dark h3{color:#fff}
    .review-card p{color:var(--muted);margin-bottom:14px}
    .review-card.dark p{color:rgba(255,255,255,.68)}
    .stars{color:#a83b45;letter-spacing:2px;font-size:14px}
    .review-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-top:14px;
      font-size:13px;
      color:var(--muted);
    }
    .review-card.dark .review-meta{color:rgba(255,255,255,.56)}
    .device-pill{
      padding:5px 9px;
      border-radius:999px;
      background:rgba(122,31,43,.08);
      color:var(--wine);
      font-weight:800;
    }
    .review-card.dark .device-pill{background:rgba(255,255,255,.1);color:#fff}

    .news{
      background:#fffaf5;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 34px rgba(20,15,15,.05);
      transition:var(--ease);
    }
    .news-item:hover{
      transform:translateY(-2px);
      border-color:rgba(122,31,43,.28);
      box-shadow:var(--shadow);
    }
    .news-index{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:#f3e8df;
      color:var(--wine);
      font-weight:900;
    }
    .news-item h3{font-size:18px;margin:0 0 4px}
    .news-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
    .news-arrow{
      width:34px;height:34px;border-radius:999px;
      display:grid;place-items:center;
      color:var(--wine);
      background:rgba(122,31,43,.08);
      transform:translateX(-4px);
      opacity:.72;
    }
    .news-item:hover .news-arrow{transform:translateX(0);opacity:1}
    .recommend-card{
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(160deg,#201617,#3a1b21);
      color:#fff;
      position:sticky;
      top:24px;
      overflow:hidden;
      box-shadow:0 24px 60px rgba(21,19,19,.16);
    }
    .recommend-card:before{
      content:"";
      position:absolute;
      width:180px;height:180px;border-radius:50%;
      right:-70px;bottom:-70px;
      background:rgba(185,130,134,.2);
    }
    .recommend-card h3{color:#fff;font-size:24px}
    .recommend-card p{color:rgba(255,255,255,.68)}
    .topic-list{
      display:grid;
      gap:10px;
      margin:18px 0 22px;
      position:relative;
      z-index:1;
    }
    .topic-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.11);
    }
    .topic-list a:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateX(2px)}

    .conversion{
      background:
        radial-gradient(circle at 25% 20%,rgba(185,130,134,.18),transparent 26%),
        linear-gradient(135deg,#151313 0%,#24191a 100%);
      color:#fff;
    }
    .conversion h2{color:#fff}
    .conversion .section-desc{color:rgba(255,255,255,.68)}
    .cta-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:stretch;
      border-radius:34px;
      padding:30px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:0 30px 80px rgba(0,0,0,.2);
    }
    .download-options{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .download-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      transition:var(--ease);
    }
    .download-card:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.11);
    }
    .download-card h3{color:#fff;margin-bottom:6px}
    .download-card p{color:rgba(255,255,255,.64);margin:0;font-size:14px}
    .feedback-form{
      padding:26px;
      border-radius:28px;
      background:var(--paper);
      color:var(--text);
    }
    .feedback-form h3{font-size:25px}
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{margin-bottom:14px}
    .field label{
      display:block;
      font-size:13px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:7px;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      background:#fff;
      border-radius:16px;
      padding:13px 14px;
      color:var(--text);
      min-height:48px;
      transition:var(--ease);
      box-shadow:none;
      margin:0;
    }
    .field textarea{min-height:110px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(122,31,43,.55);
      box-shadow:0 0 0 4px rgba(122,31,43,.09);
      outline:none;
      background:#fff;
    }
    .form-note{
      font-size:12px;
      color:var(--muted);
      margin:10px 0 0;
      line-height:1.6;
    }

    .faq{
      background:#f6f0ea;
    }
    .accordion{
      background:transparent;
      border:none;
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border-radius:22px;
      overflow:hidden;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 34px rgba(20,15,15,.05);
    }
    .accordion-title{
      border:none;
      color:var(--ink);
      font-size:17px;
      font-weight:900;
      padding:20px 58px 20px 22px;
      line-height:1.45;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fbf3ec;
      color:var(--wine);
      outline:none;
    }
    .accordion-title:before{
      right:22px;
      margin-top:-10px;
      font-size:22px;
      color:var(--wine);
    }
    .accordion-content{
      border:none;
      border-top:1px solid var(--line);
      background:#fffaf5;
      color:var(--muted);
      padding:20px 22px;
      line-height:1.75;
    }

    .related{
      background:#fffaf5;
      padding-top:72px;
    }
    .rail{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:4px 2px 16px;
      scroll-snap-type:x mandatory;
    }
    .rail::-webkit-scrollbar{height:8px}
    .rail::-webkit-scrollbar-thumb{background:rgba(122,31,43,.22);border-radius:999px}
    .rail-card{
      flex:0 0 300px;
      scroll-snap-align:start;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .rail-card:hover{
      transform:translateY(-3px);
      border-color:rgba(122,31,43,.28);
      box-shadow:var(--shadow-hover);
    }
    .rail-card .mini-tag{
      display:inline-flex;
      margin-bottom:12px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(122,31,43,.08);
      color:var(--wine);
      font-size:12px;
      font-weight:900;
    }
    .rail-card p{color:var(--muted);margin-bottom:16px;font-size:14px}
    .rail-card a{font-weight:900;color:var(--wine)}

    .site-footer{
      margin-left:var(--side);
      background:#151313;
      color:#fff;
      padding:54px 0 32px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
    }
    .footer-brand strong{font-size:18px}
    .site-footer p{
      color:rgba(255,255,255,.62);
      margin-bottom:0;
      max-width:560px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-title{
      font-weight:900;
      margin-bottom:12px;
      color:#fff;
    }
    .footer-links a{
      color:rgba(255,255,255,.62);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }

    .sticky-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:40;
      display:flex;
      gap:10px;
      align-items:center;
      padding:10px;
      border-radius:999px;
      background:rgba(21,19,19,.82);
      backdrop-filter:blur(16px);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 50px rgba(0,0,0,.18);
    }
    .sticky-cta span{
      color:rgba(255,255,255,.72);
      font-size:13px;
      padding-left:10px;
    }
    .sticky-cta a{
      padding:10px 14px;
      border-radius:999px;
      background:var(--wine);
      color:#fff;
      font-size:13px;
      font-weight:900;
    }
    .sticky-cta a:hover{background:var(--wine-dark);color:#fff}

    @media (max-width:1023px){
      :root{--side:0px}
      .side-nav{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between}
      .main-content,.site-footer{margin-left:0}
      .page-container{width:min(100% - 32px,920px)}
      section{padding:64px 0}
      .hero{min-height:auto;padding:58px 0 70px}
      .hero-tool-board,.selling-grid,.req-layout,.news-layout,.cta-panel,.footer-grid{
        grid-template-columns:1fr;
      }
      .recommend-card{position:relative;top:auto}
      .orbit-slide-card{grid-template-columns:1fr;min-height:auto}
      .sticky-cta{left:16px;right:16px;justify-content:space-between}
    }
    @media (max-width:640px){
      .page-container{width:calc(100% - 28px)}
      section{padding:52px 0}
      h1{font-size:33px;letter-spacing:-.03em}
      h2{font-size:28px}
      .hero-cover{padding:20px;border-radius:26px}
      .live-ribbon{align-items:flex-start}
      .countdown{width:100%;justify-content:space-between}
      .count-box{min-width:0;flex:1}
      .button-group-custom{display:grid;grid-template-columns:1fr;width:100%}
      .btn,.button{width:100%}
      .route-panel,.steps-panel{padding:18px;border-radius:22px}
      .route-item{grid-template-columns:auto 1fr}
      .route-speed{grid-column:2}
      .feature-row{grid-template-columns:1fr;padding:20px}
      .metric-row,.form-grid{grid-template-columns:1fr}
      .orbit-slide-card{padding:22px}
      .req-table,.req-table tbody,.req-table tr,.req-table th,.req-table td{
        display:block;width:100%;
      }
      .req-table th{border-bottom:none;padding-bottom:8px}
      .req-table td{padding-top:0}
      .news-item{grid-template-columns:auto 1fr}
      .news-arrow{grid-column:2;justify-self:start}
      .cta-panel{padding:18px;border-radius:26px}
      .feedback-form{padding:20px}
      .footer-grid{gap:22px}
      .copyright{display:block}
      .sticky-cta span{display:none}
      .sticky-cta{border-radius:22px}
    }

/* roulang page: category1 */
:root{
      --ink:#151313;
      --ink-2:#1e1718;
      --wine:#7a1f2b;
      --wine-2:#9b2b38;
      --rose:#b98286;
      --cream:#f6f0ea;
      --cream-2:#efe5dc;
      --warm:#d8cec6;
      --card:#fffaf5;
      --muted:#756b66;
      --muted-2:#9c908a;
      --line:rgba(87,65,61,.16);
      --line-dark:rgba(246,240,234,.14);
      --shadow:0 18px 50px rgba(20,15,15,.08);
      --shadow-strong:0 26px 70px rgba(20,15,15,.16);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --side:236px;
      --speed:.22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 85% 4%, rgba(122,31,43,.10), transparent 32%),
        linear-gradient(180deg,var(--cream),#fffaf7 38%,var(--cream-2));
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color var(--speed),background var(--speed),transform var(--speed),border-color var(--speed),box-shadow var(--speed)}
    a:hover,a:focus{color:inherit}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;height:auto;display:block}
    ::selection{background:rgba(122,31,43,.22);color:var(--ink)}

    .page-container{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
    }
    .app-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      left:0;
      top:0;
      bottom:0;
      z-index:40;
      width:var(--side);
      padding:24px 18px;
      background:linear-gradient(180deg,#171313,#211819 66%,#171313);
      color:var(--cream);
      border-right:1px solid var(--line-dark);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:18px 0 50px rgba(24,17,18,.12);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      padding:8px 8px 20px;
      min-height:64px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      flex:0 0 38px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,0)),
        radial-gradient(circle at 68% 28%,#f6d9d4 0 12%,transparent 14%),
        linear-gradient(135deg,var(--wine),#2a1719);
      box-shadow:0 14px 34px rgba(122,31,43,.36), inset 0 0 0 1px rgba(255,255,255,.18);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:12px;
      top:11px;
      width:14px;
      height:14px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.72);
      border-left-color:transparent;
    }
    .brand strong{
      font-size:17px;
      line-height:1.25;
      letter-spacing:.2px;
      max-width:145px;
    }
    .nav-menu{
      list-style:none;
      padding:8px 0 0;
      margin:0;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .nav-menu a{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:46px;
      padding:11px 12px;
      border-radius:999px;
      color:rgba(246,240,234,.74);
      font-weight:700;
      font-size:15px;
      border:1px solid transparent;
    }
    .nav-menu a:hover{
      background:rgba(246,240,234,.08);
      color:#fffaf5;
      transform:translateX(2px);
    }
    .nav-menu a.active{
      background:rgba(122,31,43,.92);
      color:#fff;
      border-color:rgba(255,255,255,.12);
      box-shadow:0 14px 32px rgba(122,31,43,.26);
    }
    .nav-dot{
      width:9px;
      height:9px;
      border-radius:50%;
      background:rgba(246,240,234,.38);
      box-shadow:0 0 0 4px rgba(246,240,234,.04);
    }
    .nav-menu a.active .nav-dot{background:#fff4ee}
    .side-note{
      padding:16px;
      border:1px solid var(--line-dark);
      border-radius:22px;
      background:rgba(255,255,255,.055);
      color:rgba(246,240,234,.72);
      font-size:13px;
      line-height:1.65;
    }
    .side-note b{display:block;color:#fff;margin-bottom:4px}

    .main-area{
      margin-left:var(--side);
      min-height:100vh;
      overflow:hidden;
    }
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:35;
      padding:12px 16px;
      background:rgba(21,19,19,.94);
      color:var(--cream);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line-dark);
    }
    .mobile-topbar .brand{padding:0;min-height:auto}
    .mobile-topbar .brand strong{font-size:15px;max-width:220px}
    .menu-toggle{
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      color:#fff;
      display:grid;
      place-items:center;
    }
    .off-canvas{
      background:#171313;
      color:var(--cream);
      padding:20px;
    }
    .off-canvas .brand{padding:4px 0 18px}
    .off-canvas .close-button{color:var(--cream);font-size:32px;top:12px;right:14px}

    .section{padding:88px 0}
    .section.compact{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(122,31,43,.09);
      color:var(--wine);
      border:1px solid rgba(122,31,43,.16);
      font-size:13px;
      font-weight:800;
      letter-spacing:.2px;
    }
    .eyebrow.dark{
      background:rgba(246,240,234,.08);
      color:#f7e8df;
      border-color:rgba(246,240,234,.14);
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:currentColor;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(32px,5.1vw,54px);
      line-height:1.12;
      letter-spacing:-1.6px;
      margin:18px 0 18px;
      color:#fffaf5;
    }
    h2{
      font-size:clamp(28px,3.3vw,38px);
      line-height:1.22;
      letter-spacing:-.9px;
      margin:14px 0 16px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      letter-spacing:-.2px;
      margin-bottom:10px;
    }
    .lead{
      font-size:18px;
      line-height:1.82;
      color:rgba(246,240,234,.78);
      max-width:760px;
    }
    .section-intro{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:32px;
    }
    .section-intro p{
      color:var(--muted);
      max-width:560px;
      margin-bottom:0;
      font-size:16px;
    }

    .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:28px;
    }
    .button.site-btn{
      margin:0;
      border-radius:999px;
      padding:14px 22px;
      font-weight:800;
      line-height:1.1;
      border:1px solid transparent;
      transition:transform var(--speed),box-shadow var(--speed),background var(--speed),border-color var(--speed),color var(--speed);
    }
    .button.site-btn.primary{
      background:var(--wine);
      color:#fff;
      box-shadow:0 16px 34px rgba(122,31,43,.24);
    }
    .button.site-btn.primary:hover,
    .button.site-btn.primary:focus{
      background:#641923;
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 48px rgba(122,31,43,.34);
    }
    .button.site-btn.secondary{
      background:rgba(246,240,234,.08);
      color:#fff6ef;
      border-color:rgba(246,240,234,.22);
    }
    .button.site-btn.secondary:hover,
    .button.site-btn.secondary:focus{
      background:rgba(246,240,234,.16);
      transform:translateY(-2px);
    }
    .button.site-btn.light{
      background:#fffaf5;
      color:var(--wine);
      border-color:rgba(122,31,43,.12);
    }
    .button.site-btn.light:hover,
    .button.site-btn.light:focus{
      background:#f4e7de;
      transform:translateY(-2px);
      box-shadow:var(--shadow);
    }
    .button.site-btn.outline{
      background:transparent;
      color:var(--ink);
      border-color:rgba(122,31,43,.26);
    }
    .button.site-btn.outline:hover,
    .button.site-btn.outline:focus{
      background:rgba(122,31,43,.08);
      border-color:rgba(122,31,43,.52);
      transform:translateY(-2px);
    }
    .site-btn:focus-visible,
    .nav-menu a:focus-visible,
    .filter-pill:focus-visible,
    input:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(185,130,134,.45);
      outline-offset:3px;
    }

    .category-hero{
      position:relative;
      padding:64px 0 70px;
      background:
        radial-gradient(circle at 20% 20%, rgba(185,130,134,.20), transparent 28%),
        radial-gradient(circle at 78% 16%, rgba(122,31,43,.26), transparent 34%),
        linear-gradient(135deg,#151313 0%,#211819 62%,#30181c 100%);
      color:#fff;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,255,255,.028) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.8),transparent 88%);
      pointer-events:none;
    }
    .category-hero .page-container{position:relative;z-index:1}
    .hero-copy{
      padding-right:24px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
    }
    .status-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:8px 12px;
      color:#ffece7;
      font-size:13px;
      font-weight:800;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
    }
    .status-chip i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:#d9b26f;
      box-shadow:0 0 0 5px rgba(217,178,111,.12);
      font-style:normal;
    }
    .group-panel{
      border-radius:30px;
      padding:22px;
      background:rgba(246,240,234,.92);
      color:var(--ink);
      box-shadow:0 26px 70px rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.34);
    }
    .group-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      margin-bottom:18px;
    }
    .group-count{
      padding:12px 14px;
      border-radius:18px;
      background:#fffaf5;
      border:1px solid var(--line);
      min-width:126px;
      text-align:center;
    }
    .group-count strong{
      display:block;
      color:var(--wine);
      font-size:28px;
      line-height:1;
      letter-spacing:-.6px;
    }
    .group-count span{font-size:12px;color:var(--muted)}
    .route-bars{
      display:grid;
      gap:12px;
      margin:18px 0;
    }
    .route-row{
      display:grid;
      grid-template-columns:80px 1fr 58px;
      gap:12px;
      align-items:center;
      font-size:13px;
      color:var(--muted);
      font-weight:700;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:#eaded6;
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--wine),var(--rose));
    }
    .step-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .step-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      background:#fffaf5;
      border:1px solid var(--line);
      border-radius:16px;
      color:var(--muted);
      font-size:14px;
    }
    .step-list b{
      display:grid;
      place-items:center;
      width:24px;
      height:24px;
      flex:0 0 24px;
      border-radius:50%;
      background:var(--wine);
      color:#fff;
      font-size:12px;
    }

    .filter-wrap{
      padding:22px;
      border-radius:28px;
      background:#fffaf5;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      margin-top:-38px;
      position:relative;
      z-index:3;
    }
    .filter-title{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      margin-bottom:14px;
      color:var(--muted);
      font-size:14px;
    }
    .filter-title strong{color:var(--ink);font-size:16px}
    .filter-pills{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .filter-pill{
      border:1px solid rgba(122,31,43,.20);
      background:transparent;
      color:var(--wine);
      border-radius:999px;
      padding:9px 14px;
      font-size:14px;
      font-weight:800;
      min-height:40px;
    }
    .filter-pill.active,
    .filter-pill:hover{
      background:var(--wine);
      color:#fff;
      border-color:var(--wine);
      transform:translateY(-1px);
      box-shadow:0 12px 24px rgba(122,31,43,.16);
    }

    .guide-layout{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:28px;
      align-items:start;
    }
    .index-card{
      position:sticky;
      top:28px;
      border-radius:28px;
      padding:24px;
      background:linear-gradient(180deg,#1e1718,#151313);
      color:#fff;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow);
    }
    .index-card p{color:rgba(246,240,234,.68);font-size:14px;margin-bottom:18px}
    .index-links{
      display:grid;
      gap:10px;
      margin-top:12px;
    }
    .index-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:12px 14px;
      border-radius:16px;
      color:rgba(246,240,234,.80);
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      font-weight:700;
      font-size:14px;
    }
    .index-links a:hover{
      background:rgba(122,31,43,.42);
      color:#fff;
      transform:translateX(2px);
    }
    .guide-cards{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .guide-card{
      position:relative;
      min-height:230px;
      padding:24px;
      border-radius:26px;
      background:#fffaf5;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:transform var(--speed),box-shadow var(--speed),border-color var(--speed);
    }
    .guide-card.tall{min-height:294px}
    .guide-card:hover{
      transform:translateY(-4px);
      border-color:rgba(122,31,43,.42);
      box-shadow:var(--shadow-strong);
    }
    .guide-card:after{
      content:"→";
      position:absolute;
      top:18px;
      right:22px;
      color:var(--wine);
      opacity:0;
      transform:translateX(-8px);
      transition:opacity var(--speed),transform var(--speed);
      font-size:24px;
      font-weight:900;
    }
    .guide-card:hover:after{opacity:1;transform:translateX(0)}
    .card-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(122,31,43,.08);
      color:var(--wine);
      border:1px solid rgba(122,31,43,.14);
      font-size:12px;
      font-weight:900;
      margin-bottom:18px;
    }
    .guide-card h3{padding-right:28px}
    .guide-card p{
      color:var(--muted);
      font-size:15px;
      margin-bottom:20px;
    }
    .card-bottom{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:auto;
      color:var(--muted-2);
      font-size:13px;
      font-weight:700;
    }
    .small-status{
      color:var(--wine);
      background:rgba(122,31,43,.08);
      border-radius:999px;
      padding:6px 9px;
      white-space:nowrap;
    }

    .showcase{
      background:linear-gradient(180deg,rgba(255,250,245,.45),rgba(246,240,234,.86));
    }
    .orbit{
      border-radius:30px;
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid var(--line);
      background:#fffaf5;
    }
    .orbit-slide-card{
      min-height:360px;
      padding:30px;
      display:grid;
      grid-template-columns:1fr 1.1fr;
      gap:28px;
      align-items:center;
      background:
        radial-gradient(circle at 76% 26%,rgba(185,130,134,.18),transparent 28%),
        #fffaf5;
    }
    .screen-mock{
      border-radius:28px;
      padding:20px;
      background:linear-gradient(180deg,#211819,#151313);
      border:1px solid rgba(21,19,19,.08);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
    }
    .mock-head{
      display:flex;
      gap:7px;
      margin-bottom:20px;
    }
    .mock-head span{
      width:10px;height:10px;border-radius:50%;
      background:rgba(246,240,234,.28);
    }
    .mock-line{
      height:14px;
      border-radius:999px;
      background:rgba(246,240,234,.12);
      margin-bottom:12px;
      overflow:hidden;
    }
    .mock-line i{
      display:block;height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--wine),#d7aaa3);
    }
    .mock-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:18px;
    }
    .mock-tile{
      min-height:74px;
      border-radius:18px;
      background:rgba(246,240,234,.08);
      border:1px solid rgba(246,240,234,.10);
      display:flex;
      align-items:flex-end;
      padding:10px;
      color:rgba(246,240,234,.70);
      font-size:12px;
      font-weight:800;
    }
    .orbit-caption h3{font-size:28px}
    .orbit-caption p{color:var(--muted);font-size:16px}
    .orbit-bullets button{
      width:9px;
      height:9px;
      margin:.25rem;
      background:#d7c8bf;
    }
    .orbit-bullets button.is-active{background:var(--wine)}
    .orbit-previous,.orbit-next{
      background:rgba(21,19,19,.78);
      border-radius:999px;
      width:42px;
      height:42px;
      padding:0;
      display:grid;
      place-items:center;
    }
    .orbit-previous:hover,.orbit-next:hover{background:var(--wine)}

    .requirements-grid{
      display:grid;
      grid-template-columns:1.55fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .table-card,.dark-tip,.check-card,.review-card,.feedback-card,.faq-box,.cta-panel{
      border-radius:28px;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .table-card{
      background:#fffaf5;
      overflow:hidden;
    }
    .req-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:0;
    }
    .req-table th,.req-table td{
      padding:18px 20px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
      text-align:left;
    }
    .req-table th{
      width:190px;
      color:var(--wine);
      background:rgba(122,31,43,.045);
      font-size:14px;
      letter-spacing:.2px;
    }
    .req-table td{color:var(--muted);font-size:15px}
    .req-table tr:last-child th,.req-table tr:last-child td{border-bottom:0}
    .dark-tip{
      background:linear-gradient(180deg,#211819,#151313);
      color:#fff;
      padding:28px;
      border-color:var(--line-dark);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .dark-tip p{color:rgba(246,240,234,.72);font-size:15px}
    .metric-stack{
      display:grid;
      gap:12px;
      margin-top:20px;
    }
    .metric{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .metric strong{
      display:block;
      font-size:24px;
      color:#fff3ec;
      line-height:1.1;
    }
    .metric span{font-size:13px;color:rgba(246,240,234,.62)}

    .check-card{
      background:#fffaf5;
      padding:30px;
      display:grid;
      grid-template-columns:.78fr 1fr;
      gap:28px;
      align-items:center;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .check-list li{
      padding:13px 14px;
      border-radius:16px;
      background:rgba(122,31,43,.055);
      border:1px solid rgba(122,31,43,.12);
      color:var(--muted);
      font-weight:700;
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      display:inline-grid;
      place-items:center;
      width:20px;
      height:20px;
      margin-right:8px;
      border-radius:50%;
      background:var(--wine);
      color:#fff;
      font-size:12px;
    }

    .review-wall{
      display:grid;
      grid-template-columns:1fr .85fr 1.1fr;
      gap:18px;
      align-items:start;
    }
    .review-card{
      background:#fffaf5;
      padding:22px;
      min-height:176px;
      transition:transform var(--speed),box-shadow var(--speed);
    }
    .review-card:nth-child(2){
      margin-top:34px;
      background:linear-gradient(180deg,#211819,#151313);
      color:#fff;
      border-color:var(--line-dark);
    }
    .review-card:nth-child(2) p,
    .review-card:nth-child(2) .review-meta{color:rgba(246,240,234,.72)}
    .review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-strong)}
    .stars{color:#b97945;letter-spacing:2px;font-size:13px;margin-bottom:10px}
    .review-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .review-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:var(--muted-2);
      font-size:13px;
      font-weight:800;
    }

    .conversion{
      padding:90px 0;
      background:
        radial-gradient(circle at 12% 30%,rgba(185,130,134,.16),transparent 30%),
        linear-gradient(135deg,#fffaf5,#f1e4dc);
    }
    .cta-panel{
      background:
        radial-gradient(circle at 85% 20%,rgba(122,31,43,.12),transparent 30%),
        #fffaf5;
      padding:38px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-panel p{color:var(--muted);font-size:16px;max-width:720px;margin-bottom:0}
    .cta-actions{
      display:grid;
      gap:12px;
      min-width:260px;
    }

    .feedback-card{
      background:#fffaf5;
      padding:28px;
    }
    .feedback-form label{
      color:var(--ink);
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea{
      border-radius:16px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:none;
      min-height:48px;
      color:var(--ink);
    }
    .feedback-form textarea{min-height:118px;resize:vertical}
    .feedback-form input:focus,
    .feedback-form select:focus,
    .feedback-form textarea:focus{
      border-color:rgba(122,31,43,.54);
      box-shadow:0 0 0 4px rgba(122,31,43,.08);
      background:#fff;
    }
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin-top:10px;
      margin-bottom:0;
    }

    .faq-box{
      background:#fffaf5;
      overflow:hidden;
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      border-bottom:1px solid var(--line);
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{
      border:0!important;
      color:var(--ink)!important;
      background:#fffaf5!important;
      padding:20px 56px 20px 24px;
      font-size:16px;
      font-weight:900;
      line-height:1.55;
    }
    .accordion-title:hover,
    .accordion-title:focus{
      background:#f5ebe3!important;
      color:var(--wine)!important;
    }
    .accordion-title:before{
      right:24px;
      color:var(--wine);
      font-size:22px;
      margin-top:-12px;
    }
    .accordion-content{
      border:0!important;
      background:#fbf2eb!important;
      color:var(--muted);
      padding:0 24px 22px;
      line-height:1.75;
    }

    .site-footer{
      background:#151313;
      color:rgba(246,240,234,.78);
      padding:56px 0 28px;
      border-top:1px solid var(--line-dark);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .8fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fffaf5;
      margin-bottom:14px;
    }
    .footer-brand strong{font-size:18px}
    .footer-grid p{
      max-width:520px;
      margin:0;
      font-size:14px;
      color:rgba(246,240,234,.66);
    }
    .footer-title{
      color:#fffaf5;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(246,240,234,.68);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid var(--line-dark);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(246,240,234,.52);
      font-size:13px;
    }

    @media (max-width: 1180px){
      :root{--side:214px}
      .guide-layout{grid-template-columns:260px 1fr}
      .guide-cards{grid-template-columns:1fr}
      .requirements-grid{grid-template-columns:1fr}
    }
    @media (max-width: 1023px){
      .side-nav{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between}
      .main-area{margin-left:0}
      .section{padding:70px 0}
      .category-hero{padding:54px 0 62px}
      .page-container{width:min(100% - 34px,920px)}
      .hero-copy{padding-right:0;margin-bottom:28px}
      .guide-layout{grid-template-columns:1fr}
      .index-card{position:relative;top:auto}
      .index-links{grid-template-columns:repeat(2,1fr)}
      .orbit-slide-card{grid-template-columns:1fr;min-height:auto}
      .check-card{grid-template-columns:1fr}
      .review-wall{grid-template-columns:1fr 1fr}
      .review-card:nth-child(2){margin-top:0}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{min-width:0;grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 640px){
      .page-container{width:calc(100% - 28px)}
      .mobile-topbar .brand strong{max-width:180px;font-size:14px}
      .brand-mark{width:34px;height:34px;flex-basis:34px;border-radius:12px}
      h1{letter-spacing:-1px}
      .lead{font-size:16px}
      .section{padding:54px 0}
      .section.compact{padding:42px 0}
      .section-intro{display:block}
      .section-intro p{margin-top:10px}
      .group-panel{padding:18px;border-radius:24px}
      .group-top{display:block}
      .group-count{margin-top:14px;text-align:left}
      .route-row{grid-template-columns:66px 1fr 44px;gap:8px}
      .filter-wrap{padding:18px;border-radius:22px}
      .filter-title{display:block}
      .filter-title span{display:block;margin-top:4px}
      .filter-pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .filter-pill{white-space:nowrap}
      .index-links{grid-template-columns:1fr}
      .guide-card{padding:20px;min-height:auto;border-radius:22px}
      .orbit-slide-card{padding:20px}
      .mock-grid{grid-template-columns:1fr 1fr}
      .orbit-caption h3{font-size:23px}
      .req-table,.req-table tbody,.req-table tr,.req-table th,.req-table td{display:block;width:100%}
      .req-table tr{border-bottom:1px solid var(--line)}
      .req-table tr:last-child{border-bottom:0}
      .req-table th,.req-table td{border-bottom:0;padding:12px 16px}
      .req-table th{padding-bottom:4px;background:rgba(122,31,43,.04)}
      .req-table td{padding-top:4px}
      .check-card{padding:22px}
      .check-list{grid-template-columns:1fr}
      .review-wall{display:flex;overflow-x:auto;gap:14px;padding-bottom:8px;scroll-snap-type:x mandatory}
      .review-card{min-width:82%;scroll-snap-align:start}
      .cta-panel{padding:24px;border-radius:24px}
      .cta-actions{grid-template-columns:1fr}
      .btn-row .button.site-btn{width:100%;text-align:center}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }