/* roulang page: index */
:root{
      --bg:#0f1115;
      --bg-soft:#141821;
      --panel:#171c25;
      --panel-2:#1c2230;
      --line:#2a3140;
      --line-strong:#3a4255;
      --text:#f3efe6;
      --muted:#a8b0bf;
      --muted-2:#7f8795;
      --accent:#e45a4c;
      --accent-2:#d9bf7b;
      --accent-3:#39c6b5;
      --accent-4:#f1a64a;
      --shadow:0 14px 28px rgba(0,0,0,.22);
      --shadow-soft:0 8px 18px rgba(0,0,0,.14);
      --radius:8px;
      --radius-sm:6px;
      --space:24px;
      --focus:0 0 0 3px rgba(228,90,76,.25);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:
        linear-gradient(180deg, rgba(15,17,21,.98), rgba(15,17,21,.98)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 120px),
        linear-gradient(180deg, #11151d 0%, #0f1115 100%);
      color:var(--text);
      line-height:1.65;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(135deg, rgba(228,90,76,.10), transparent 35%),
        linear-gradient(315deg, rgba(57,198,181,.08), transparent 38%),
        linear-gradient(180deg, transparent 0%, rgba(255,255,255,.02) 100%);
      opacity:.75;
      z-index:-1;
    }
    a{color:inherit; text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%; display:block}
    button,input,select,textarea{font:inherit}
    :focus-visible{outline:none; box-shadow:var(--focus)}
    .container{
      width:min(1180px, calc(100% - 32px));
    }
    .text-muted-custom{color:var(--muted)!important}
    .text-dim{color:var(--muted-2)!important}
    .bg-shell{background:rgba(15,17,21,.96)}
    .section{
      padding:28px 0;
      position:relative;
    }
    .section + .section{
      border-top:1px solid rgba(42,49,64,.55);
    }
    .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;
      color:var(--text);
    }
    .section-desc{
      margin:0;
      max-width:64ch;
      color:var(--muted);
      font-size:15px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:12px;
      letter-spacing:0;
      color:#f1d9b1;
      border:1px solid rgba(217,191,123,.28);
      background:rgba(217,191,123,.08);
      padding:6px 10px;
      border-radius:999px;
      text-transform:none;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#e9ecf3;
      font-size:12px;
      white-space:nowrap;
    }
    .pill .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(57,198,181,.14);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(14,16,20,.92);
      border-bottom:1px solid rgba(42,49,64,.82);
      backdrop-filter:none;
    }
    .site-header .navbar{
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text);
      font-weight:700;
      letter-spacing:0;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:8px;
      background:
        linear-gradient(180deg, rgba(228,90,76,1), rgba(228,90,76,.82));
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 8px 16px rgba(228,90,76,.18);
      flex:none;
    }
    .brand-mark span{
      font-size:12px;
      line-height:1;
      letter-spacing:0;
      font-weight:800;
    }
    .brand strong{
      display:block;
      font-size:16px;
      line-height:1.1;
    }
    .brand small{
      display:block;
      margin-top:2px;
      color:var(--muted);
      font-size:12px;
      font-weight:500;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0 18px;
      padding:0;
      list-style:none;
    }
    .nav-link-custom{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:8px;
      color:var(--muted);
      border:1px solid transparent;
      transition:background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
      font-size:14px;
      white-space:nowrap;
    }
    .nav-link-custom:hover,
    .nav-link-custom:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-link-custom.active{
      color:var(--text);
      background:rgba(228,90,76,.12);
      border-color:rgba(228,90,76,.28);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .search-box{
      width:min(300px, 32vw);
      display:flex;
      align-items:center;
      gap:8px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      padding:8px 10px;
      transition:border-color .18s ease, background-color .18s ease;
    }
    .search-box:focus-within{
      border-color:rgba(57,198,181,.38);
      background:rgba(255,255,255,.05);
    }
    .search-box input{
      width:100%;
      background:transparent;
      border:0;
      outline:0;
      color:var(--text);
      font-size:14px;
    }
    .search-box input::placeholder{color:var(--muted-2)}
    .search-box button{
      border:0;
      background:transparent;
      color:var(--muted);
      padding:0;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transition:color .18s ease, transform .18s ease;
    }
    .search-box button:hover{color:var(--text); transform:scale(1.04)}
    .btn-ink,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:8px;
      padding:10px 14px;
      font-weight:700;
      font-size:14px;
      line-height:1;
      transition:transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease;
      border:1px solid transparent;
      text-decoration:none;
      white-space:nowrap;
    }
    .btn-ink{
      background:var(--accent);
      color:#140f0d;
      box-shadow:0 10px 20px rgba(228,90,76,.18);
    }
    .btn-ink:hover,
    .btn-ink:focus-visible{
      color:#140f0d;
      transform:translateY(-1px);
      box-shadow:0 12px 22px rgba(228,90,76,.24);
    }
    .btn-ghost{
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-color:rgba(255,255,255,.10);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      color:var(--text);
      border-color:rgba(217,191,123,.30);
      background:rgba(217,191,123,.08);
      transform:translateY(-1px);
    }
    .btn-soft{
      background:rgba(57,198,181,.10);
      color:#dff9f5;
      border-color:rgba(57,198,181,.24);
    }
    .btn-soft:hover,
    .btn-soft:focus-visible{
      color:#fff;
      background:rgba(57,198,181,.16);
      border-color:rgba(57,198,181,.35);
      transform:translateY(-1px);
    }
    .btn-ink svg,
    .btn-ghost svg,
    .btn-soft svg{
      width:16px;
      height:16px;
    }

    .hero{
      padding:30px 0 24px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      padding:18px 0 6px;
    }
    .hero-copy h1{
      margin:14px 0 14px;
      font-size:56px;
      line-height:1.04;
      letter-spacing:0;
      max-width:11ch;
    }
    .hero-copy .lead{
      margin:0;
      max-width:58ch;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .hero-metrics{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .metric-chip{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:8px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      color:#e8ebf2;
      min-height:46px;
    }
    .metric-chip strong{
      display:block;
      color:var(--text);
      font-size:15px;
      line-height:1.1;
    }
    .metric-chip span{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.15;
      margin-top:2px;
    }

    .hero-stage{
      position:relative;
      min-height:530px;
      background:
        linear-gradient(180deg, rgba(23,28,37,.95), rgba(16,19,26,.98)),
        radial-gradient(circle at 12% 16%, rgba(228,90,76,.10), transparent 24%),
        radial-gradient(circle at 84% 18%, rgba(57,198,181,.09), transparent 24%);
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      overflow:hidden;
      box-shadow:var(--shadow);
      padding:18px;
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(228,90,76,.20), transparent 34%),
        linear-gradient(315deg, rgba(241,166,74,.12), transparent 34%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 16px),
        repeating-linear-gradient(180deg, rgba(255,255,255,.02) 0 1px, transparent 1px 16px);
      opacity:.7;
      pointer-events:none;
    }
    .stage-shell{
      position:relative;
      z-index:1;
      height:100%;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .stage-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .stage-title{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:13px;
      color:var(--muted);
    }
    .stage-title strong{
      color:var(--text);
      font-size:15px;
    }
    .stage-signal{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffe5e0;
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(228,90,76,.12);
      border:1px solid rgba(228,90,76,.22);
      white-space:nowrap;
    }
    .stage-signal .ring{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(228,90,76,.14);
    }
    .stage-center{
      flex:1;
      min-height:0;
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:12px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      background:rgba(11,13,18,.68);
      padding:16px;
    }
    .stage-screen{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }
    .screen-card{
      background:linear-gradient(180deg, rgba(28,34,48,.98), rgba(20,24,33,.98));
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      padding:14px;
      box-shadow:var(--shadow-soft);
      min-height:148px;
    }
    .screen-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.2;
    }
    .screen-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .screen-list{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:10px;
    }
    .screen-item{
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      border-radius:8px;
      padding:12px;
      min-height:82px;
    }
    .screen-item .label{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:12px;
      margin-bottom:8px;
    }
    .screen-item strong{
      display:block;
      font-size:24px;
      line-height:1;
      color:#fff;
      margin-bottom:4px;
    }
    .screen-item span{
      color:var(--muted);
      font-size:12px;
    }
    .stage-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
      padding-top:4px;
    }
    .stage-steps{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      font-size:12px;
      color:var(--muted);
    }
    .step-dot{
      width:26px;
      height:26px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      font-size:12px;
      flex:none;
    }
    .progress-line{
      flex:1;
      min-width:140px;
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .progress-line span{
      display:block;
      height:100%;
      width:78%;
      background:linear-gradient(90deg, var(--accent), var(--accent-4), var(--accent-3));
      border-radius:inherit;
    }

    .panel{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:8px;
      box-shadow:var(--shadow-soft);
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .matrix-item{
      padding:18px;
      background:linear-gradient(180deg, rgba(28,34,48,.98), rgba(21,25,35,.98));
      border:1px solid var(--line);
      border-radius:8px;
      min-height:170px;
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .matrix-item:hover{
      transform:translateY(-2px);
      border-color:rgba(217,191,123,.32);
    }
    .icon-box{
      width:42px;
      height:42px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
    }
    .icon-box svg{width:18px;height:18px}
    .matrix-item h3{
      margin:0;
      font-size:18px;
      line-height:1.2;
    }
    .matrix-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      flex:1;
    }
    .matrix-item .linkline{
      display:flex;
      align-items:center;
      gap:8px;
      color:#f4d8c9;
      font-size:13px;
      font-weight:700;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .feature{
      padding:18px;
      background:linear-gradient(180deg, rgba(23,28,37,.98), rgba(18,22,30,.98));
      border:1px solid var(--line);
      border-radius:8px;
      min-height:160px;
      display:flex;
      flex-direction:column;
      gap:12px;
      transition:transform .18s ease, border-color .18s ease;
    }
    .feature:hover{
      transform:translateY(-2px);
      border-color:rgba(57,198,181,.28);
    }
    .feature h3{
      margin:0;
      font-size:17px;
      line-height:1.2;
    }
    .feature p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .feature .tagline{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:auto;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 8px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#e9ebf4;
      font-size:12px;
      white-space:nowrap;
    }
    .tag.ok{
      border-color:rgba(57,198,181,.24);
      background:rgba(57,198,181,.09);
      color:#dbfbf4;
    }
    .tag.hot{
      border-color:rgba(228,90,76,.24);
      background:rgba(228,90,76,.10);
      color:#ffe4df;
    }
    .tag.gold{
      border-color:rgba(217,191,123,.24);
      background:rgba(217,191,123,.10);
      color:#f8e9c9;
    }

    .scenario-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:14px;
    }
    .scenario-side,
    .scenario-main{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:8px;
      padding:18px;
    }
    .scenario-steps{
      display:grid;
      gap:12px;
    }
    .scenario-step{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:8px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
    }
    .scenario-step .num{
      width:32px;
      height:32px;
      border-radius:8px;
      flex:none;
      display:grid;
      place-items:center;
      background:rgba(228,90,76,.12);
      border:1px solid rgba(228,90,76,.22);
      color:#ffd9d2;
      font-weight:800;
    }
    .scenario-step h4{
      margin:0 0 4px;
      font-size:16px;
      line-height:1.2;
    }
    .scenario-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .scenario-list{
      display:grid;
      gap:12px;
    }
    .scenario-card{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:start;
      padding:14px 16px;
      border-radius:8px;
      background:linear-gradient(180deg, rgba(28,34,48,.98), rgba(20,24,33,.98));
      border:1px solid var(--line);
    }
    .scenario-card .s-icon{
      width:40px;
      height:40px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      flex:none;
    }
    .scenario-card h4{
      margin:0 0 5px;
      font-size:17px;
      line-height:1.2;
    }
    .scenario-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .scenario-card .point{
      color:#f7e4c5;
      font-size:12px;
      white-space:nowrap;
      padding:5px 8px;
      border-radius:999px;
      border:1px solid rgba(217,191,123,.24);
      background:rgba(217,191,123,.10);
    }

    .case-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .case-card{
      padding:18px;
      background:linear-gradient(180deg, rgba(23,28,37,.98), rgba(18,22,30,.98));
      border:1px solid var(--line);
      border-radius:8px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .case-card .case-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .case-card h3{
      margin:0;
      font-size:18px;
      line-height:1.2;
    }
    .case-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .stat-bar{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:auto;
      flex-wrap:wrap;
    }
    .stat{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 9px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      font-size:12px;
      color:#eff2f7;
    }
    .stat strong{
      color:#fff;
    }

    .price-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .price-card{
      padding:20px;
      background:linear-gradient(180deg, rgba(23,28,37,.98), rgba(18,22,30,.98));
      border:1px solid var(--line);
      border-radius:8px;
      display:flex;
      flex-direction:column;
      gap:14px;
      min-height: 100%;
    }
    .price-card.featured{
      border-color:rgba(228,90,76,.32);
      box-shadow:0 18px 28px rgba(228,90,76,.08);
      transform:translateY(-4px);
      background:
        linear-gradient(180deg, rgba(31,37,51,.98), rgba(19,23,32,.98));
    }
    .price-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .price-card h3{
      margin:0;
      font-size:20px;
      line-height:1.2;
    }
    .price{
      display:flex;
      align-items:baseline;
      gap:8px;
    }
    .price strong{
      font-size:40px;
      line-height:1;
      letter-spacing:0;
    }
    .price span{
      color:var(--muted);
      font-size:13px;
    }
    .benefits{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .benefits li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#e8ebf2;
      font-size:14px;
    }
    .benefits li svg{
      width:16px;
      height:16px;
      color:var(--accent-3);
      flex:none;
      margin-top:2px;
    }
    .price-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:auto;
    }

    .news-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:14px;
    }
    .news-list{
      display:grid;
      gap:10px;
      list-style:none;
      margin:0;
      padding:0;
    }
    .news-item a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:8px;
      background:linear-gradient(180deg, rgba(28,34,48,.98), rgba(20,24,33,.98));
      border:1px solid var(--line);
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .news-item a:hover{
      transform:translateY(-1px);
      border-color:rgba(57,198,181,.24);
    }
    .news-item strong{
      display:block;
      font-size:15px;
      line-height:1.3;
      color:var(--text);
      margin-bottom:4px;
    }
    .news-item .meta{
      color:var(--muted);
      font-size:12px;
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .news-panel{
      padding:18px;
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:8px;
    }
    .news-panel h3{
      margin:0 0 10px;
      font-size:18px;
    }
    .news-panel p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:14px;
    }
    .mini-checklist{
      display:grid;
      gap:10px;
      margin:0 0 16px;
      padding:0;
      list-style:none;
    }
    .mini-checklist li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#e9ecf4;
      font-size:14px;
    }
    .mini-checklist li svg{
      width:16px;
      height:16px;
      color:var(--accent-2);
      flex:none;
      margin-top:3px;
    }

    .accordion.custom-faq{
      display:grid;
      gap:10px;
    }
    .custom-faq .accordion-item{
      background:transparent;
      border:1px solid var(--line);
      border-radius:8px;
      overflow:hidden;
    }
    .custom-faq .accordion-button{
      background:linear-gradient(180deg, rgba(23,28,37,.98), rgba(18,22,30,.98));
      color:var(--text);
      border:0;
      box-shadow:none;
      padding:16px 18px;
      font-size:15px;
      line-height:1.35;
    }
    .custom-faq .accordion-button:not(.collapsed){
      color:var(--text);
      background:linear-gradient(180deg, rgba(28,34,48,.98), rgba(20,24,33,.98));
      box-shadow:none;
    }
    .custom-faq .accordion-button::after{
      filter:invert(1) grayscale(1);
      opacity:.78;
    }
    .custom-faq .accordion-body{
      background:rgba(18,22,30,.98);
      color:var(--muted);
      padding:0 18px 16px;
      font-size:14px;
    }

    .cta-band{
      margin-top:10px;
      padding:34px 0;
      background:
        linear-gradient(180deg, rgba(28,34,48,.95), rgba(18,22,30,.98));
      border-top:1px solid rgba(42,49,64,.72);
      border-bottom:1px solid rgba(42,49,64,.72);
    }
    .cta-shell{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:14px;
      align-items:stretch;
    }
    .cta-copy,
    .cta-form{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:8px;
      padding:20px;
    }
    .cta-copy h2{
      margin:0 0 10px;
      font-size:28px;
      line-height:1.15;
    }
    .cta-copy p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
      max-width:58ch;
    }
    .cta-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .cta-form label{
      display:block;
      margin-bottom:6px;
      color:#e9edf5;
      font-size:13px;
      font-weight:700;
    }
    .field{
      width:100%;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.09);
      border-radius:8px;
      color:var(--text);
      padding:12px 14px;
      font-size:14px;
      transition:border-color .18s ease, background-color .18s ease;
    }
    .field::placeholder{color:var(--muted-2)}
    .field:focus{
      outline:none;
      border-color:rgba(57,198,181,.34);
      background:rgba(255,255,255,.05);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .form-grid .full{
      grid-column:1 / -1;
    }
    .form-note{
      margin:12px 0 0;
      color:var(--muted-2);
      font-size:12px;
    }

    footer{
      padding:22px 0 34px;
    }
    .footer-shell{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      padding-top:8px;
    }
    .footer-brand,
    .footer-links{
      border-top:1px solid var(--line);
      padding-top:16px;
    }
    .footer-brand p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      max-width:62ch;
    }
    .footer-links{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px 16px;
      align-content:flex-start;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .18s ease;
    }
    .footer-links a:hover{color:var(--text)}
    .copyright{
      margin-top:14px;
      color:var(--muted-2);
      font-size:12px;
    }

    .navbar-toggler{
      border-radius:8px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:none!important;
      padding:8px 10px;
    }
    .navbar-toggler-icon{
      filter:invert(1) grayscale(1);
    }

    @media (max-width: 1199.98px){
      .hero-copy h1{font-size:50px}
      .matrix-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .feature-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .case-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .price-grid{grid-template-columns:1fr}
      .price-card.featured{transform:none}
    }
    @media (max-width: 991.98px){
      .nav-links{
        margin:16px 0 10px;
        flex-direction:column;
        align-items:stretch;
      }
      .nav-tools{
        width:100%;
        margin:0;
        flex-direction:column;
        align-items:stretch;
      }
      .search-box{
        width:100%;
      }
      .hero-grid,
      .scenario-grid,
      .news-grid,
      .cta-shell,
      .footer-shell{
        grid-template-columns:1fr;
      }
      .hero-copy h1{max-width:none}
      .hero-stage{min-height:460px}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .footer-links{
        justify-content:flex-start;
      }
    }
    @media (max-width: 767.98px){
      .container{width:min(100% - 24px, 1180px)}
      .hero{padding-top:24px}
      .hero-copy h1{font-size:40px}
      .hero-copy .lead{font-size:16px}
      .hero-actions,
      .cta-points{
        gap:10px;
      }
      .screen-card{min-height:auto}
      .stage-screen{
        grid-template-columns:1fr;
      }
      .screen-list{
        grid-template-columns:1fr;
      }
      .matrix-grid,
      .feature-grid,
      .case-grid{
        grid-template-columns:1fr;
      }
      .cta-copy h2{font-size:24px}
      .form-grid{
        grid-template-columns:1fr;
      }
      .search-box{
        padding:9px 11px;
      }
    }
    @media (max-width: 575.98px){
      .brand small{
        display:none;
      }
      .hero-stage{
        min-height:420px;
        padding:14px;
      }
      .hero-copy h1{font-size:34px}
      .section{padding:22px 0}
      .section-title{font-size:24px}
      .matrix-item,
      .feature,
      .case-card,
      .price-card,
      .news-panel,
      .cta-copy,
      .cta-form{
        padding:16px;
      }
      .scenario-side,
      .scenario-main{
        padding:16px;
      }
      .scenario-card{
        grid-template-columns:1fr;
      }
      .scenario-card .point{
        justify-self:start;
      }
      .price strong{font-size:34px}
    }

/* roulang page: category1 */
:root{
      --bg: #070708;
      --bg-soft: #0d0f12;
      --bg-elev: #121418;
      --surface: #16191f;
      --surface-2: #1b1f26;
      --surface-3: #20252d;
      --line: #2b313a;
      --line-strong: #3a424e;
      --text: #f3efe7;
      --muted: #a0a7b3;
      --muted-2: #7f8792;
      --accent: #ef5a2a;
      --accent-2: #d6b25b;
      --accent-3: #68d6c3;
      --danger: #ff6a57;
      --success: #4fd1a5;
      --shadow: 0 14px 30px rgba(0,0,0,.24);
      --shadow-soft: 0 8px 18px rgba(0,0,0,.18);
      --radius: 8px;
      --radius-sm: 6px;
      --space: 24px;
      --space-lg: 40px;
      --space-xl: 64px;
      --transition: 180ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(7,7,8,.98), rgba(9,10,12,.98)),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: auto, 80px 100%, 100% 80px;
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.65;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), opacity var(--transition), border-color var(--transition), background-color var(--transition), transform var(--transition);
    }
    a:hover { color: var(--accent-2); }
    img { max-width: 100%; display: block; }
    button, input, select, textarea {
      font: inherit;
      letter-spacing: 0;
    }
    ::selection { background: rgba(239, 90, 42, .28); color: var(--text); }

    .container {
      max-width: 1240px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(8, 9, 11, .96);
      border-bottom: 1px solid rgba(255,255,255,.08);
      box-shadow: 0 4px 16px rgba(0,0,0,.18);
      backdrop-filter: blur(4px);
    }

    .site-header .navbar {
      padding: 14px 0;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand strong {
      display: block;
      font-size: 1rem;
      line-height: 1.1;
      letter-spacing: 0;
      color: var(--text);
    }

    .brand small {
      display: block;
      font-size: .78rem;
      color: var(--muted);
      line-height: 1.2;
      margin-top: 2px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, #1a1d22, #0f1115);
      border-radius: 8px;
      color: var(--accent-2);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
      flex: 0 0 auto;
    }

    .brand-mark span {
      font-weight: 800;
      font-size: 1.02rem;
      letter-spacing: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 10px;
      list-style: none;
      padding: 0;
      margin: 0 0 0 28px;
      flex-wrap: wrap;
    }

    .nav-link-custom {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 10px 14px;
      border-radius: 8px;
      color: var(--muted);
      border: 1px solid transparent;
      background: transparent;
      font-size: .95rem;
      line-height: 1;
      white-space: nowrap;
    }

    .nav-link-custom i {
      width: 16px;
      height: 16px;
    }

    .nav-link-custom:hover,
    .nav-link-custom.active {
      color: var(--text);
      background: rgba(255,255,255,.04);
      border-color: rgba(255,255,255,.08);
    }

    .nav-tools {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 320px;
      padding: 10px 12px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--surface);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
    }

    .search-box i {
      width: 16px;
      height: 16px;
      color: var(--muted);
      flex: 0 0 auto;
    }

    .search-box input {
      flex: 1;
      background: transparent;
      border: 0;
      outline: none;
      color: var(--text);
      min-width: 0;
    }

    .search-box input::placeholder { color: var(--muted-2); }
    .search-box button {
      width: 32px;
      height: 32px;
      border: 0;
      border-radius: 8px;
      background: rgba(239, 90, 42, .14);
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform var(--transition), background-color var(--transition);
    }
    .search-box button:hover { background: rgba(239, 90, 42, .22); transform: translateY(-1px); }

    .btn-ink,
    .btn-ghost,
    .btn-outline,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 8px;
      border: 1px solid transparent;
      padding: 11px 16px;
      font-weight: 600;
      line-height: 1;
      transition: transform var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), opacity var(--transition);
      white-space: nowrap;
    }

    .btn-ink {
      background: linear-gradient(180deg, rgba(239,90,42,1), rgba(217,74,27,1));
      color: #fff;
      box-shadow: 0 8px 18px rgba(239,90,42,.22);
    }

    .btn-ink:hover {
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 10px 22px rgba(239,90,42,.28);
    }

    .btn-ghost {
      background: rgba(255,255,255,.03);
      border-color: var(--line);
      color: var(--text);
    }

    .btn-ghost:hover {
      background: rgba(255,255,255,.06);
      border-color: var(--line-strong);
      color: var(--text);
      transform: translateY(-1px);
    }

    .btn-soft {
      background: rgba(216,178,91,.12);
      border-color: rgba(216,178,91,.24);
      color: #f4e1ae;
    }

    .btn-soft:hover {
      background: rgba(216,178,91,.18);
      color: #fff;
      transform: translateY(-1px);
    }

    .site-header .navbar-toggler {
      border-color: rgba(255,255,255,.14);
      color: #fff;
    }

    .site-header .navbar-toggler:focus {
      box-shadow: 0 0 0 .2rem rgba(239,90,42,.2);
    }

    .navbar-toggler-icon {
      filter: invert(1);
    }

    .section {
      position: relative;
      padding: 72px 0;
    }

    .section-tight {
      padding-top: 52px;
      padding-bottom: 52px;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,.01));
      border-top: 1px solid rgba(255,255,255,.04);
      border-bottom: 1px solid rgba(255,255,255,.04);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #f4c97a;
      font-size: .86rem;
      letter-spacing: 0;
      text-transform: none;
      margin-bottom: 14px;
      padding: 6px 10px;
      border: 1px solid rgba(244,201,122,.16);
      border-radius: 999px;
      background: rgba(244,201,122,.06);
    }

    .eyebrow i {
      width: 14px;
      height: 14px;
    }

    .section-title {
      font-size: clamp(1.65rem, 2.2vw, 2.35rem);
      line-height: 1.15;
      margin: 0 0 12px;
      letter-spacing: 0;
    }

    .section-lead {
      color: var(--muted);
      margin: 0;
      max-width: 760px;
      font-size: 1rem;
    }

    .hero-section {
      padding: 34px 0 72px;
    }

    .hero-shell {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.015)),
        linear-gradient(180deg, #111317, #0a0b0d);
      border-radius: 8px;
      box-shadow: var(--shadow);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(110deg, rgba(239,90,42,.16), transparent 42%),
        linear-gradient(290deg, rgba(214,178,91,.12), transparent 36%),
        linear-gradient(180deg, rgba(255,255,255,.03), transparent 24%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      padding: 34px;
    }

    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .status-badge,
    .tag-badge,
    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: .82rem;
      line-height: 1;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .status-badge {
      color: #f3d7aa;
      background: rgba(214,178,91,.1);
      border-color: rgba(214,178,91,.18);
    }

    .tag-badge {
      color: #cfe8df;
      background: rgba(79,209,165,.08);
      border-color: rgba(79,209,165,.16);
    }

    .mini-badge {
      color: #fff;
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.1);
    }

    .hero-title {
      font-size: clamp(2rem, 4vw, 3.8rem);
      line-height: .98;
      letter-spacing: 0;
      margin: 0 0 16px;
      max-width: 11ch;
    }

    .hero-subtitle {
      color: #d8dde6;
      font-size: 1.05rem;
      max-width: 620px;
      margin: 0 0 22px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }

    .hero-note {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      color: var(--muted);
      font-size: .94rem;
    }

    .hero-note span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .hero-note i {
      width: 15px;
      height: 15px;
      color: var(--accent-2);
    }

    .hero-side {
      position: relative;
      padding: 18px 18px 18px 0;
    }

    .broadcast-panel {
      position: relative;
      height: 100%;
      min-height: 360px;
      border-left: 1px solid rgba(255,255,255,.08);
      padding: 18px 18px 18px 22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
    }

    .broadcast-panel::before {
      content: "";
      position: absolute;
      inset: 0 0 0 auto;
      width: 1px;
      background: linear-gradient(180deg, transparent, rgba(255,255,255,.05), transparent);
      pointer-events: none;
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }

    .live-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(239,90,42,.12);
      border: 1px solid rgba(239,90,42,.18);
      color: #ffd0c4;
      font-size: .82rem;
    }

    .live-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--danger);
      box-shadow: 0 0 0 4px rgba(255,106,87,.12);
    }

    .panel-head .meta {
      color: var(--muted);
      font-size: .88rem;
    }

    .board-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 14px;
    }

    .board-tile {
      min-height: 92px;
      padding: 14px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    }

    .board-tile strong {
      display: block;
      font-size: 1.2rem;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .board-tile span {
      display: block;
      color: var(--muted);
      font-size: .86rem;
    }

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

    .board-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      border-radius: 8px;
    }

    .board-list strong {
      display: block;
      font-size: .95rem;
    }

    .board-list span {
      color: var(--muted);
      font-size: .84rem;
    }

    .metric-row {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .metric-chip {
      flex: 1 1 140px;
      min-width: 140px;
      padding: 12px 14px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 8px;
      background: rgba(255,255,255,.03);
    }

    .metric-chip small {
      display: block;
      color: var(--muted);
      font-size: .82rem;
      margin-bottom: 3px;
    }

    .metric-chip strong {
      font-size: 1.1rem;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 14px;
      margin-top: 28px;
    }

    .feature-card {
      min-height: 154px;
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-2px);
      border-color: rgba(239,90,42,.28);
      background: linear-gradient(180deg, rgba(239,90,42,.07), rgba(255,255,255,.015));
    }

    .feature-card .icon {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(239,90,42,.12);
      color: #ffd0c4;
      margin-bottom: 14px;
    }

    .feature-card .icon i {
      width: 18px;
      height: 18px;
    }

    .feature-card h3 {
      font-size: 1rem;
      margin: 0 0 8px;
      line-height: 1.25;
    }

    .feature-card p {
      color: var(--muted);
      margin: 0;
      font-size: .93rem;
    }

    .feature-card .mini-badge {
      margin-top: 14px;
    }

    .filter-shell {
      padding: 20px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
    }

    .filter-top {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }

    .filter-summary {
      color: var(--muted);
      margin: 6px 0 0;
      font-size: .95rem;
    }

    .filter-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-chip {
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.03);
      color: var(--text);
      font-size: .92rem;
      line-height: 1;
      transition: transform var(--transition), border-color var(--transition), background-color var(--transition), color var(--transition);
    }

    .filter-chip:hover,
    .filter-chip.active {
      border-color: rgba(239,90,42,.36);
      background: rgba(239,90,42,.12);
      color: #fff;
      transform: translateY(-1px);
    }

    .tool-row {
      display: grid;
      grid-template-columns: 1.6fr .9fr auto;
      gap: 12px;
      align-items: center;
    }

    .field,
    .select-field {
      width: 100%;
      height: 48px;
      padding: 0 14px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--surface);
      color: var(--text);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    }

    .field::placeholder { color: var(--muted-2); }
    .field:focus,
    .select-field:focus {
      border-color: rgba(239,90,42,.34);
      box-shadow: 0 0 0 .2rem rgba(239,90,42,.12);
    }

    .select-field {
      appearance: none;
    }

    .results-band {
      padding-top: 18px;
    }

    .results-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-end;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }

    .results-stat {
      color: var(--muted);
      font-size: .92rem;
    }

    .results-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 22px;
      align-items: start;
    }

    .result-list {
      display: grid;
      gap: 14px;
    }

    .result-card {
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-height: 196px;
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition);
    }

    .result-card:hover {
      transform: translateY(-2px);
      border-color: rgba(239,90,42,.28);
      background: linear-gradient(180deg, rgba(239,90,42,.06), rgba(255,255,255,.015));
    }

    .result-top {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .result-icon {
      width: 44px;
      height: 44px;
      flex: 0 0 auto;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #f2d4af;
    }

    .result-icon i {
      width: 18px;
      height: 18px;
    }

    .result-main {
      flex: 1;
      min-width: 0;
    }

    .result-main h3 {
      font-size: 1.06rem;
      margin: 0 0 6px;
      line-height: 1.25;
    }

    .result-main p {
      margin: 0;
      color: var(--muted);
      font-size: .94rem;
    }

    .result-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      color: var(--muted);
      font-size: .86rem;
    }

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

    .result-meta i {
      width: 14px;
      height: 14px;
      color: var(--accent-2);
    }

    .result-foot {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
      padding-top: 4px;
    }

    .result-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .badge-soft {
      color: #ffe6d8;
      background: rgba(239,90,42,.12);
      border: 1px solid rgba(239,90,42,.18);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: .8rem;
      line-height: 1;
      white-space: nowrap;
    }

    .badge-stable {
      color: #d8f1ea;
      background: rgba(79,209,165,.09);
      border: 1px solid rgba(79,209,165,.16);
    }

    .badge-hot {
      color: #ffe3d1;
      background: rgba(255,106,87,.1);
      border: 1px solid rgba(255,106,87,.18);
    }

    .sidebar {
      position: sticky;
      top: 94px;
      display: grid;
      gap: 14px;
    }

    .side-panel {
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
    }

    .side-panel h3 {
      font-size: 1rem;
      margin: 0 0 12px;
    }

    .side-panel p {
      color: var(--muted);
      margin: 0;
      font-size: .93rem;
    }

    .side-stats {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-top: 12px;
    }

    .side-stat {
      padding: 12px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 8px;
      background: rgba(255,255,255,.03);
    }

    .side-stat small {
      display: block;
      color: var(--muted);
      margin-bottom: 4px;
    }

    .side-stat strong {
      display: block;
      font-size: 1.05rem;
    }

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

    .tips-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: .93rem;
    }

    .tips-list i {
      width: 16px;
      height: 16px;
      color: #f2c98b;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: start;
    }

    .scenario-stack {
      display: grid;
      gap: 14px;
    }

    .scenario-card {
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
    }

    .scenario-card h3 {
      font-size: 1.03rem;
      margin: 0 0 10px;
    }

    .scenario-card p {
      color: var(--muted);
      margin: 0 0 12px;
      font-size: .94rem;
    }

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

    .step-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text);
      font-size: .93rem;
    }

    .step-number {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(239,90,42,.12);
      border: 1px solid rgba(239,90,42,.18);
      color: #ffd6c7;
      font-size: .8rem;
      flex: 0 0 auto;
      margin-top: 1px;
    }

    .comparison-shell {
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
    }

    .comparison-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px 14px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
    }

    .comparison-row strong {
      display: block;
      margin-bottom: 4px;
      font-size: .95rem;
    }

    .comparison-row span {
      display: block;
      color: var(--muted);
      font-size: .85rem;
    }

    .comparison-row em {
      font-style: normal;
      color: #f3d7aa;
      font-size: .9rem;
      white-space: nowrap;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .case-card {
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
      min-height: 214px;
    }

    .case-card h3 {
      font-size: 1rem;
      margin: 0 0 8px;
    }

    .case-card p {
      color: var(--muted);
      margin: 0 0 14px;
      font-size: .93rem;
    }

    .case-metrics {
      display: grid;
      gap: 10px;
    }

    .metric-bar {
      display: grid;
      gap: 8px;
    }

    .metric-bar .line {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      overflow: hidden;
    }

    .metric-bar .line span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, rgba(239,90,42,.95), rgba(214,178,91,.9));
    }

    .metric-bar .row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      font-size: .88rem;
      color: var(--muted);
    }

    .case-footer {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 14px;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .price-card {
      position: relative;
      padding: 20px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
      min-height: 100%;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .price-card.featured {
      border-color: rgba(239,90,42,.35);
      background: linear-gradient(180deg, rgba(239,90,42,.08), rgba(255,255,255,.015));
      transform: translateY(-6px);
    }

    .price-head {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: flex-start;
      flex-wrap: wrap;
    }

    .price-head h3 {
      margin: 0;
      font-size: 1.06rem;
    }

    .price-head p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: .92rem;
    }

    .price {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .price strong {
      font-size: 2rem;
      line-height: 1;
    }

    .price span {
      color: var(--muted);
      font-size: .9rem;
    }

    .price-features {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
      flex: 1;
    }

    .price-features li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text);
      font-size: .93rem;
    }

    .price-features i {
      width: 16px;
      height: 16px;
      color: var(--success);
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .price-card .btn-ink,
    .price-card .btn-ghost {
      width: 100%;
    }

    .faq-wrap {
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.015));
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .accordion,
    .accordion-item {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .accordion-item:first-child { border-top: 0; }

    .accordion-button {
      background: transparent !important;
      color: var(--text) !important;
      box-shadow: none !important;
      padding: 18px 20px;
      font-size: 1rem;
    }

    .accordion-button:not(.collapsed) {
      color: var(--text);
      background: rgba(255,255,255,.03) !important;
    }

    .accordion-button::after {
      filter: invert(1) brightness(1.5);
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 18px;
      font-size: .94rem;
    }

    .cta-band {
      padding: 30px 0 10px;
    }

    .cta-shell {
      padding: 26px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 8px;
      background:
        linear-gradient(120deg, rgba(239,90,42,.12), rgba(255,255,255,.02)),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      box-shadow: var(--shadow);
    }

    .cta-shell h2 {
      margin: 0 0 10px;
      font-size: clamp(1.5rem, 2.2vw, 2.1rem);
      line-height: 1.15;
    }

    .cta-shell p {
      margin: 0;
      color: var(--muted);
      max-width: 760px;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 18px;
    }

    footer {
      padding: 26px 0 32px;
    }

    .footer-shell {
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: grid;
      grid-template-columns: 1.4fr .9fr;
      gap: 20px;
      align-items: start;
    }

    .footer-brand p {
      color: var(--muted);
      margin: 16px 0 12px;
      max-width: 680px;
      font-size: .94rem;
    }

    .copyright {
      color: var(--muted-2);
      font-size: .84rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 14px;
      justify-content: flex-end;
      align-content: flex-start;
    }

    .footer-links a {
      color: var(--muted);
      font-size: .92rem;
    }

    .footer-links a:hover {
      color: var(--text);
    }

    .footer-links a::after {
      content: "";
      display: block;
      height: 1px;
      margin-top: 4px;
      background: transparent;
      transition: background-color var(--transition);
    }

    .footer-links a:hover::after {
      background: rgba(239,90,42,.5);
    }

    .icon-inline {
      width: 16px;
      height: 16px;
      flex: 0 0 auto;
    }

    .hidden-item {
      display: none !important;
    }

    .sr-note {
      color: var(--muted);
      font-size: .88rem;
    }

    @media (max-width: 1199.98px) {
      .feature-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
      .results-layout,
      .scenario-grid {
        grid-template-columns: 1fr;
      }
      .sidebar {
        position: static;
      }
      .price-grid,
      .case-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .hero-side {
        padding: 0 18px 18px;
      }
      .broadcast-panel {
        border-left: 0;
        border-top: 1px solid rgba(255,255,255,.08);
        padding: 18px 0 0;
      }
    }

    @media (max-width: 991.98px) {
      .nav-links {
        margin: 16px 0 0;
      }
      .nav-tools {
        margin: 16px 0 0;
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
      }
      .search-box {
        min-width: 100%;
        width: 100%;
      }
      .hero-content {
        padding: 26px;
      }
      .hero-title {
        max-width: none;
      }
      .tool-row {
        grid-template-columns: 1fr;
      }
      .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .price-grid,
      .case-grid {
        grid-template-columns: 1fr;
      }
      .price-card.featured {
        transform: none;
      }
      .footer-shell {
        grid-template-columns: 1fr;
      }
      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 767.98px) {
      .section {
        padding: 52px 0;
      }
      .hero-section {
        padding-top: 20px;
      }
      .hero-content {
        padding: 22px 18px;
      }
      .hero-side {
        padding: 0 18px 18px;
      }
      .broadcast-panel {
        min-height: 0;
      }
      .board-grid {
        grid-template-columns: 1fr;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .filter-shell,
      .cta-shell,
      .result-card,
      .side-panel,
      .scenario-card,
      .comparison-shell,
      .case-card,
      .price-card {
        padding: 16px;
      }
      .result-top {
        gap: 12px;
      }
      .result-foot {
        flex-direction: column;
        align-items: flex-start;
      }
      .hero-actions,
      .cta-actions {
        width: 100%;
      }
      .hero-actions .btn-ink,
      .hero-actions .btn-ghost,
      .cta-actions .btn-ink,
      .cta-actions .btn-ghost {
        flex: 1 1 180px;
      }
      .filter-top {
        flex-direction: column;
      }
      .filter-actions {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
      }
      .filter-chip {
        flex: 0 0 auto;
      }
    }

    @media (max-width: 575.98px) {
      .site-header .navbar {
        padding: 12px 0;
      }
      .brand small {
        display: none;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .section-title {
        font-size: 1.55rem;
      }
      .hero-note {
        gap: 8px 12px;
      }
      .search-box {
        padding: 10px;
      }
      .btn-ink,
      .btn-ghost,
      .btn-soft {
        width: 100%;
      }
      .result-actions {
        width: 100%;
      }
      .result-actions .btn-ink,
      .result-actions .btn-ghost {
        flex: 1 1 160px;
      }
      .side-stats {
        grid-template-columns: 1fr;
      }
      .comparison-row {
        grid-template-columns: 1fr;
      }
    }