/* roulang page: index */
:root{
      --bg:#121113;
      --bg-2:#19171b;
      --panel:#f7f1e8;
      --panel-soft:#fffaf2;
      --card:#201d22;
      --card-2:#2a252c;
      --text:#f8efe6;
      --text-dark:#171316;
      --muted:#b8aca7;
      --muted-dark:#6f6460;
      --line:rgba(255,241,226,.16);
      --line-dark:rgba(23,19,22,.12);
      --accent:#c8765a;
      --accent-2:#e0a16e;
      --accent-soft:rgba(200,118,90,.16);
      --rose:#a65d72;
      --success:#8fb996;
      --warning:#f0bd65;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --shadow:0 24px 80px rgba(0,0,0,.28);
      --shadow-soft:0 12px 32px rgba(35,24,20,.10);
      --container:1180px;
      --nav-height:72px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 14% 8%, rgba(200,118,90,.16), transparent 32%),
        radial-gradient(circle at 86% 18%, rgba(166,93,114,.18), transparent 28%),
        linear-gradient(180deg,#111012 0%,#171519 48%,#121113 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body.is-menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--accent-2)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--accent);color:#fff}
    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section.compact{padding:58px 0}
    .section-light{
      background:var(--panel);
      color:var(--text-dark);
    }
    .section-warm{
      background:linear-gradient(180deg,#fff8ee 0%,#f3eadf 100%);
      color:var(--text-dark);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent-2);
      font-size:13px;
      font-weight:700;
      letter-spacing:.04em;
      background:rgba(255,255,255,.04);
    }
    .section-light .eyebrow,.section-warm .eyebrow{
      border-color:var(--line-dark);
      background:rgba(255,255,255,.64);
      color:#9d543b;
    }
    .section-title{
      margin:18px 0 12px;
      font-size:clamp(30px,4vw,54px);
      line-height:1.08;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .section-light .section-desc,.section-warm .section-desc{color:var(--muted-dark)}
    .split-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .split-head .section-desc{max-width:520px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:13px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-size:15px;
      font-weight:800;
      line-height:1;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
      color:#211618;
      box-shadow:0 14px 36px rgba(200,118,90,.24);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#110d0d;
      transform:translateY(-2px);
      box-shadow:0 18px 46px rgba(224,161,110,.3);
    }
    .btn-secondary{
      border-color:rgba(255,241,226,.28);
      color:var(--text);
      background:rgba(255,255,255,.04);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      border-color:var(--accent-2);
      color:var(--accent-2);
      transform:translateY(-2px);
    }
    .section-light .btn-secondary,.section-warm .btn-secondary{
      border-color:rgba(23,19,22,.16);
      color:var(--text-dark);
      background:rgba(255,255,255,.58);
    }
    .btn-ghost{
      color:var(--text);
      border-color:transparent;
      background:transparent;
      padding-left:4px;
    }
    .btn-ghost:hover,.btn-ghost:focus{color:var(--accent-2)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      transition:var(--ease);
    }
    .tag:hover,.tag.active{
      color:var(--accent-2);
      border-color:rgba(224,161,110,.56);
      background:rgba(224,161,110,.10);
    }
    .section-light .tag,.section-warm .tag,.section-light .badge,.section-warm .badge{
      border-color:var(--line-dark);
      color:var(--muted-dark);
      background:rgba(255,255,255,.68);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px);
      background:rgba(18,17,19,.78);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:var(--nav-height);
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.03em;
      color:var(--text);
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(135deg,rgba(200,118,90,.95),rgba(224,161,110,.86)),
        radial-gradient(circle at 30% 20%,#fff,transparent 34%);
      color:#171316;
      box-shadow:0 12px 28px rgba(200,118,90,.24);
      flex:0 0 auto;
    }
    .brand-name{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:16px;
    }
    .desktop-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin:0;
      list-style:none;
    }
    .desktop-menu a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 13px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .desktop-menu a:hover,.desktop-menu a.active{
      color:var(--text);
      background:rgba(255,255,255,.07);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      min-width:0;
    }
    .nav-search{
      width:210px;
      height:40px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--muted);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:13px;
      box-shadow:none;
      margin:0;
      padding:0;
      height:auto;
    }
    .nav-search input::placeholder{color:rgba(248,239,230,.48)}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--text);
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      padding:14px 0 18px;
    }
    .mobile-panel a{
      display:flex;
      padding:12px 0;
      color:var(--muted);
      font-weight:800;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .mobile-panel a.active{color:var(--accent-2)}

    .hero{
      padding:64px 0 78px;
      min-height:calc(100vh - var(--nav-height));
      display:flex;
      align-items:center;
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      min-height:560px;
      padding:46px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.025)),
        radial-gradient(circle at 20% 20%,rgba(224,161,110,.16),transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-copy:before{
      content:"";
      position:absolute;
      inset:auto -120px -120px auto;
      width:320px;
      height:320px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(166,93,114,.24),transparent 65%);
      pointer-events:none;
    }
    .brand-kicker{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:22px;
      color:var(--accent-2);
      font-weight:900;
    }
    .brand-kicker span:last-child{
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    h1{
      margin:0;
      max-width:760px;
      font-size:clamp(43px,7.2vw,86px);
      line-height:.96;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .hero-intro{
      max-width:690px;
      margin:24px 0 0;
      color:var(--muted);
      font-size:18px;
      line-height:1.82;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .hero-points{
      position:absolute;
      left:46px;
      right:46px;
      bottom:42px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .point{
      padding:15px 16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(18,17,19,.48);
    }
    .point strong{
      display:block;
      font-size:22px;
      line-height:1;
      color:var(--accent-2);
      margin-bottom:8px;
    }
    .point span{
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .lead-card{
      border-radius:var(--radius-lg);
      padding:24px;
      background:var(--panel-soft);
      color:var(--text-dark);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .lead-card:before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:7px;
      background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--rose));
    }
    .cover{
      min-height:205px;
      border-radius:24px;
      padding:24px;
      color:var(--text);
      background:
        linear-gradient(135deg,rgba(18,17,19,.92),rgba(42,37,44,.96)),
        radial-gradient(circle at 78% 24%,rgba(224,161,110,.28),transparent 38%);
      position:relative;
      overflow:hidden;
    }
    .wave{
      height:48px;
      display:flex;
      align-items:center;
      gap:5px;
      margin:22px 0 12px;
    }
    .wave i{
      display:block;
      width:4px;
      border-radius:99px;
      background:linear-gradient(180deg,var(--accent-2),var(--accent));
      opacity:.82;
      animation:pulse 1.8s ease-in-out infinite;
    }
    .wave i:nth-child(1){height:18px;animation-delay:.05s}
    .wave i:nth-child(2){height:30px;animation-delay:.15s}
    .wave i:nth-child(3){height:42px;animation-delay:.25s}
    .wave i:nth-child(4){height:24px;animation-delay:.35s}
    .wave i:nth-child(5){height:36px;animation-delay:.45s}
    .wave i:nth-child(6){height:20px;animation-delay:.55s}
    .wave i:nth-child(7){height:44px;animation-delay:.65s}
    .wave i:nth-child(8){height:28px;animation-delay:.75s}
    @keyframes pulse{
      0%,100%{transform:scaleY(.72);opacity:.54}
      50%{transform:scaleY(1);opacity:1}
    }
    .cover-title{
      font-size:28px;
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0;
    }
    .cover-note{
      margin:12px 0 0;
      color:rgba(248,239,230,.72);
      font-size:14px;
    }
    .toc{
      margin:22px 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc li{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(23,19,22,.1);
      color:var(--muted-dark);
      font-size:14px;
    }
    .toc b{color:var(--text-dark)}
    .lead-form{
      display:grid;
      gap:10px;
    }
    .lead-form label{
      margin:0;
      font-size:13px;
      color:var(--muted-dark);
      font-weight:800;
    }
    .lead-form input{
      height:48px;
      border:1px solid var(--line-dark);
      border-radius:14px;
      background:#fff;
      color:var(--text-dark);
      padding:0 14px;
      margin:0;
      box-shadow:none;
    }
    .lead-form input:focus{
      border-color:var(--accent);
      box-shadow:0 0 0 4px rgba(200,118,90,.14);
    }
    .form-tip{
      display:none;
      margin:8px 0 0;
      padding:10px 12px;
      border-radius:12px;
      color:#2f5a39;
      background:rgba(143,185,150,.18);
      font-size:13px;
      font-weight:800;
    }
    .form-note{
      color:var(--muted-dark);
      font-size:12px;
      margin:4px 0 0;
    }

    .tier-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
      align-items:start;
    }
    .countdown-card{
      position:sticky;
      top:92px;
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#251f23,#151316);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .countdown{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:8px;
      margin-top:18px;
    }
    .time-box{
      text-align:center;
      padding:14px 8px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .time-box b{
      display:block;
      color:var(--accent-2);
      font-size:25px;
      line-height:1;
    }
    .time-box span{
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .tier-list{
      display:grid;
      gap:14px;
    }
    .tier-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:20px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      transition:var(--ease);
    }
    .tier-item:hover{
      transform:translateY(-3px);
      border-color:rgba(224,161,110,.42);
      background:rgba(255,255,255,.065);
    }
    .tier-no{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      color:#211618;font-weight:950;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
    }
    .tier-item h3{font-size:20px;margin:0 0 4px;line-height:1.25}
    .tier-item p{margin:0;color:var(--muted);font-size:14px}
    .stock{
      min-width:92px;
      text-align:right;
      color:var(--warning);
      font-size:13px;
      font-weight:900;
    }

    .pricing-stage{
      display:grid;
      grid-template-columns:1fr 1.12fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .price-card{
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line-dark);
      background:rgba(255,255,255,.62);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .price-card.featured{
      transform:translateY(-14px);
      background:#171316;
      color:var(--text);
      border-color:rgba(224,161,110,.45);
      box-shadow:0 26px 70px rgba(35,24,20,.22);
    }
    .price-card:hover{transform:translateY(-4px)}
    .price-card.featured:hover{transform:translateY(-18px)}
    .price-card h3{font-size:22px;margin:0 0 8px;font-weight:950}
    .price-card .price{
      display:flex;
      align-items:flex-end;
      gap:8px;
      margin:18px 0;
    }
    .price b{
      font-size:42px;
      line-height:1;
      letter-spacing:-.05em;
    }
    .price span{color:var(--muted-dark);font-weight:800}
    .featured .price span,.featured p,.featured li{color:var(--muted)}
    .price-card p{color:var(--muted-dark);margin:0 0 18px;font-size:14px}
    .check-list{
      list-style:none;
      margin:0 0 22px;
      padding:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:9px;
      align-items:flex-start;
      font-size:14px;
      color:var(--muted-dark);
    }
    .check-list i{color:var(--accent);margin-top:5px}

    .assurance-bar{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:var(--line);
    }
    .assurance-item{
      padding:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
    }
    .assurance-item i{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:var(--accent-2);
      background:rgba(224,161,110,.11);
      margin-bottom:14px;
    }
    .assurance-item h3{margin:0 0 6px;font-size:18px}
    .assurance-item p{margin:0;color:var(--muted);font-size:14px}

    .pain-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
    }
    .pain-card,.demo-card,.result-card,.quote-card,.news-panel,.news-list,.faq-box{
      border:1px solid var(--line-dark);
      background:rgba(255,255,255,.68);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .pain-card{
      padding:28px;
      min-height:210px;
      transition:var(--ease);
    }
    .pain-card:hover{
      transform:translateY(-3px);
      background:#fff;
    }
    .pain-card.large{
      grid-row:span 2;
      min-height:438px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .pain-num{
      font-size:13px;
      font-weight:950;
      color:#9d543b;
      margin-bottom:28px;
    }
    .pain-card h3{font-size:28px;line-height:1.12;margin:0 0 14px;letter-spacing:-.04em}
    .pain-card:not(.large) h3{font-size:22px}
    .pain-card p{margin:0;color:var(--muted-dark)}

    .demo-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .demo-card{padding:26px}
    .steps{
      display:grid;
      gap:14px;
      margin-top:20px;
    }
    .step{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line-dark);
    }
    .step b{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:#171316;color:var(--accent-2);
      font-weight:950;
    }
    .step h3{margin:0 0 4px;font-size:18px}
    .step p{margin:0;color:var(--muted-dark);font-size:14px}
    .tag-wall{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .result-strip{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
    }
    .result-card{
      padding:28px;
      background:#171316;
      color:var(--text);
      border-color:rgba(224,161,110,.26);
    }
    .result-card.light{
      background:rgba(255,255,255,.75);
      color:var(--text-dark);
      border-color:var(--line-dark);
    }
    .result-card strong{
      display:block;
      font-size:58px;
      line-height:1;
      letter-spacing:-.06em;
      color:var(--accent-2);
      margin-bottom:12px;
    }
    .result-card h3{margin:0 0 8px;font-size:20px}
    .result-card p{margin:0;color:var(--muted)}
    .result-card.light p{color:var(--muted-dark)}

    .quote-grid{
      display:grid;
      grid-template-columns:1fr 1.14fr .94fr;
      gap:18px;
      align-items:start;
    }
    .quote-card{
      padding:24px;
      transition:var(--ease);
    }
    .quote-card:nth-child(2){margin-top:30px}
    .quote-card:hover{transform:translateY(-4px);background:#fff}
    .stars{color:var(--accent);letter-spacing:2px;margin-bottom:14px}
    .quote-card p{margin:0 0 18px;color:var(--muted-dark)}
    .profile{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--accent),var(--rose));
      color:#fff;font-weight:950;
    }
    .profile b{display:block;line-height:1.2}
    .profile span{font-size:12px;color:var(--muted-dark);font-weight:800}

    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:20px;
    }
    .news-list{
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 24px;
      border-bottom:1px solid var(--line-dark);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{
      background:#fff;
      transform:translateX(3px);
    }
    .news-date{
      color:#9d543b;
      font-weight:950;
      font-size:13px;
    }
    .news-item h3{
      margin:0 0 4px;
      font-size:18px;
      line-height:1.35;
    }
    .news-item p{
      margin:0;
      color:var(--muted-dark);
      font-size:14px;
    }
    .news-item i{color:var(--accent)}
    .news-panel{
      padding:24px;
      background:#171316;
      color:var(--text);
      border-color:rgba(224,161,110,.24);
    }
    .news-panel h3{margin:0 0 12px;font-size:22px}
    .news-panel p{color:var(--muted);margin:0 0 18px}
    .mini-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .mini-list li{
      padding:12px;
      border:1px solid var(--line);
      border-radius:15px;
      color:var(--muted);
      font-size:14px;
    }

    .campaign{
      border-radius:34px;
      padding:38px;
      background:
        linear-gradient(135deg,rgba(200,118,90,.18),rgba(166,93,114,.18)),
        #171316;
      border:1px solid rgba(224,161,110,.3);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .campaign:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-130px;
      width:330px;
      height:330px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(224,161,110,.22),transparent 65%);
      pointer-events:none;
    }
    .campaign-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .campaign h2{
      margin:12px 0 12px;
      font-size:clamp(30px,4vw,52px);
      line-height:1.08;
      letter-spacing:-.04em;
    }
    .campaign p{max-width:720px;color:var(--muted);margin:0}
    .campaign-actions{
      display:flex;
      flex-direction:column;
      gap:12px;
      align-items:stretch;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-box{
      padding:8px;
      background:rgba(255,255,255,.72);
    }
    .accordion{
      margin:0;
      background:transparent;
    }
    .accordion-item{
      border-bottom:1px solid var(--line-dark);
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{
      border:0 !important;
      color:var(--text-dark) !important;
      background:transparent !important;
      font-size:17px;
      font-weight:900;
      padding:20px 44px 20px 18px;
      border-radius:14px;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fff !important;
      color:#9d543b !important;
    }
    .accordion-content{
      border:0 !important;
      background:transparent !important;
      color:var(--muted-dark);
      padding:0 18px 20px;
      line-height:1.8;
    }

    .site-footer{
      padding:44px 0 30px;
      background:#0d0c0e;
      border-top:1px solid var(--line);
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--text);
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-desc{
      max-width:620px;
      margin:0;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:8px 11px;
      border-radius:999px;
      border:1px solid var(--line);
      font-size:13px;
      font-weight:800;
    }
    .footer-links a:hover{
      border-color:var(--accent-2);
      color:var(--accent-2);
    }
    .copyright{
      margin-top:26px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(248,239,230,.54);
    }

    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      z-index:999;
      transform:translateX(-50%);
      width:min(calc(100% - 28px),760px);
      padding:10px 12px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      background:rgba(18,17,19,.88);
      border:1px solid rgba(224,161,110,.28);
      box-shadow:0 18px 58px rgba(0,0,0,.36);
      backdrop-filter:blur(18px);
    }
    .floating-cta span{
      padding-left:10px;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .floating-cta .btn{min-height:38px;padding:10px 15px;font-size:13px}

    @media (max-width:1024px){
      .nav-wrap{grid-template-columns:1fr auto}
      .desktop-menu,.nav-search,.nav-actions .btn{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .hero-shell,.tier-wrap,.demo-grid,.faq-wrap,.news-layout{grid-template-columns:1fr}
      .hero-copy{min-height:auto;padding:34px 30px 220px}
      .hero-points{left:30px;right:30px;bottom:30px}
      .countdown-card{position:relative;top:auto}
      .pricing-stage{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .price-card.featured:hover{transform:translateY(-4px)}
      .assurance-bar{grid-template-columns:repeat(2,1fr)}
      .result-strip,.quote-grid{grid-template-columns:1fr}
      .quote-card:nth-child(2){margin-top:0}
      .campaign-grid{grid-template-columns:1fr}
      .campaign-actions{flex-direction:row;flex-wrap:wrap}
    }
    @media (max-width:768px){
      :root{--nav-height:64px}
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:64px 0}
      .split-head{display:block}
      .section-title{font-size:clamp(28px,9vw,44px)}
      .hero{padding:36px 0 58px}
      .hero-shell{gap:18px}
      .hero-copy{padding:28px 22px}
      .hero-points{
        position:relative;
        left:auto;right:auto;bottom:auto;
        margin-top:26px;
        grid-template-columns:1fr;
      }
      h1{font-size:clamp(40px,14vw,66px)}
      .hero-intro{font-size:16px}
      .lead-card{padding:18px}
      .cover{min-height:180px;padding:20px}
      .tier-item{grid-template-columns:1fr}
      .stock{text-align:left}
      .pain-layout{grid-template-columns:1fr}
      .pain-card.large{min-height:auto}
      .assurance-bar{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-item i{display:none}
      .campaign{padding:26px 20px;border-radius:24px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .floating-cta{border-radius:22px;align-items:flex-start;flex-direction:column}
      .floating-cta span{padding-left:2px}
    }
    @media (max-width:520px){
      .brand-name{max-width:180px}
      .hero-actions,.campaign-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .countdown{grid-template-columns:repeat(2,1fr)}
      .toc li{align-items:flex-start;flex-direction:column;gap:4px}
      .cover-title{font-size:24px}
      .result-card strong{font-size:46px}
    }

/* roulang page: category2 */
:root{
      --bg:#151313;
      --bg-2:#201b1d;
      --panel:#fbf6ef;
      --panel-2:#f0e8de;
      --ink:#231f20;
      --muted:#756a69;
      --muted-2:#b9aaa5;
      --line:rgba(255,255,255,.13);
      --line-dark:rgba(35,31,32,.12);
      --accent:#c9795f;
      --accent-2:#e7b38e;
      --rose:#8f4d59;
      --white:#fffaf3;
      --shadow:0 24px 70px rgba(0,0,0,.25);
      --soft-shadow:0 18px 45px rgba(54,40,36,.12);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --container:1180px;
      --speed:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.72;
      color:var(--ink);
      background:
        radial-gradient(circle at 85% 12%, rgba(201,121,95,.18), transparent 34%),
        linear-gradient(180deg,#151313 0%,#1d191a 38%,#fbf6ef 38%,#fbf6ef 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--speed),border-color var(--speed),background var(--speed),transform var(--speed)}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    input:focus,button:focus,a:focus{outline:2px solid rgba(231,179,142,.65);outline-offset:3px}
    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      padding:14px 0;
      background:rgba(21,19,19,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:max-content;
      color:var(--white);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      color:#211818;
      box-shadow:0 8px 22px rgba(201,121,95,.3);
    }
    .brand-name{font-size:17px}
    .desktop-menu{
      list-style:none;
      display:flex;
      align-items:center;
      gap:6px;
      margin:0;
      padding:5px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,250,243,.06);
    }
    .desktop-menu a{
      display:block;
      padding:9px 14px;
      border-radius:999px;
      color:rgba(255,250,243,.74);
      font-size:14px;
      font-weight:650;
      white-space:nowrap;
    }
    .desktop-menu a:hover,
    .desktop-menu a.active{
      color:#1d1615;
      background:var(--white);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:flex-end;
    }
    .nav-search{
      height:42px;
      width:190px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 13px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,250,243,.07);
      color:var(--muted-2);
    }
    .nav-search input{
      width:100%;
      border:0;
      box-shadow:none;
      margin:0;
      height:auto;
      min-height:0;
      padding:0;
      color:var(--white);
      background:transparent;
      font-size:14px;
    }
    .nav-search input::placeholder{color:rgba(255,250,243,.46)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform var(--speed),box-shadow var(--speed),background var(--speed),border-color var(--speed),color var(--speed);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#211818;
      background:linear-gradient(135deg,var(--accent-2),var(--accent));
      box-shadow:0 12px 28px rgba(201,121,95,.22);
    }
    .btn-primary:hover{box-shadow:0 18px 38px rgba(201,121,95,.32);color:#211818}
    .btn-ghost{
      color:var(--white);
      border-color:rgba(255,250,243,.22);
      background:rgba(255,250,243,.05);
    }
    .btn-ghost:hover{border-color:rgba(231,179,142,.55);color:var(--white);background:rgba(255,250,243,.09)}
    .btn-dark{
      color:var(--white);
      background:#211d1d;
      border-color:#211d1d;
    }
    .btn-dark:hover{color:var(--white);box-shadow:0 14px 32px rgba(0,0,0,.2)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:50%;
      border:1px solid var(--line);
      background:rgba(255,250,243,.07);
      color:var(--white);
    }
    .mobile-panel{
      display:none;
      border:1px solid var(--line);
      border-radius:18px;
      margin-top:10px;
      padding:10px;
      background:rgba(24,21,21,.96);
    }
    .mobile-panel a{
      display:block;
      padding:12px 14px;
      border-radius:12px;
      color:rgba(255,250,243,.76);
      font-weight:700;
    }
    .mobile-panel a.active,
    .mobile-panel a:hover{
      background:rgba(255,250,243,.1);
      color:var(--white);
    }

    .page-hero{
      color:var(--white);
      padding:72px 0 64px;
      position:relative;
      overflow:hidden;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:24px auto auto 7%;
      width:260px;
      height:110px;
      background:
        linear-gradient(90deg,transparent 0 8%,rgba(231,179,142,.32) 8% 10%,transparent 10% 18%,rgba(231,179,142,.18) 18% 20%,transparent 20% 28%,rgba(231,179,142,.35) 28% 30%,transparent 30%),
        linear-gradient(180deg,transparent,rgba(255,255,255,.03));
      opacity:.45;
      border-radius:999px;
      filter:blur(.2px);
    }
    .hero-grid{
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border:1px solid rgba(231,179,142,.28);
      border-radius:999px;
      background:rgba(255,250,243,.06);
      color:rgba(255,250,243,.78);
      font-size:13px;
      font-weight:800;
      margin-bottom:20px;
    }
    .page-hero h1{
      margin:0;
      max-width:720px;
      font-size:clamp(42px,6.2vw,78px);
      line-height:.96;
      letter-spacing:-.075em;
      color:var(--white);
      font-weight:900;
    }
    .hero-summary{
      max-width:640px;
      margin:24px 0 0;
      color:rgba(255,250,243,.72);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .hero-index{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
      max-width:690px;
    }
    .index-chip{
      border:1px solid var(--line);
      background:rgba(255,250,243,.055);
      border-radius:16px;
      padding:13px 14px;
      color:rgba(255,250,243,.78);
      font-size:13px;
      font-weight:750;
    }
    .whitepaper-card{
      height:100%;
      min-height:460px;
      padding:24px;
      border:1px solid rgba(255,250,243,.14);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(150deg,rgba(255,250,243,.14),rgba(255,250,243,.04)),
        radial-gradient(circle at 75% 10%,rgba(201,121,95,.24),transparent 35%);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .whitepaper-card:after{
      content:"";
      position:absolute;
      right:-50px;
      bottom:-70px;
      width:260px;
      height:260px;
      border:1px solid rgba(231,179,142,.18);
      border-radius:50%;
    }
    .cover{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:260px;
      border-radius:24px;
      padding:22px;
      background:linear-gradient(160deg,#fff8ee,#e9d8c4);
      color:#211818;
      box-shadow:0 28px 70px rgba(0,0,0,.22);
    }
    .cover-top{
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#6a5750;
      font-weight:850;
      font-size:13px;
    }
    .cover-title{
      margin:44px 0 8px;
      font-size:32px;
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:900;
    }
    .cover-line{
      height:40px;
      border-radius:999px;
      background:
        repeating-linear-gradient(90deg,rgba(143,77,89,.35) 0 5px,transparent 5px 13px),
        linear-gradient(90deg,rgba(201,121,95,.12),rgba(231,179,142,.26));
      opacity:.9;
    }
    .toc-box{
      position:relative;
      z-index:1;
      margin-top:18px;
      padding:18px;
      border-radius:20px;
      background:rgba(21,19,19,.38);
      border:1px solid rgba(255,250,243,.12);
    }
    .toc-box h2{
      color:var(--white);
      font-size:18px;
      margin:0 0 12px;
      font-weight:900;
    }
    .toc-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:9px;
    }
    .toc-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:9px;
      border-bottom:1px dashed rgba(255,250,243,.12);
      color:rgba(255,250,243,.75);
      font-size:14px;
    }
    .toc-list li:last-child{border-bottom:0;padding-bottom:0}
    .lead-form{
      position:relative;
      z-index:1;
      margin-top:18px;
      display:flex;
      gap:10px;
    }
    .lead-form input{
      flex:1;
      height:48px;
      margin:0;
      border:1px solid rgba(255,250,243,.16);
      border-radius:999px;
      background:rgba(255,250,243,.08);
      color:var(--white);
      padding:0 16px;
      box-shadow:none;
    }
    .lead-form input::placeholder{color:rgba(255,250,243,.48)}
    .main-surface{
      background:var(--panel);
      border-radius:34px 34px 0 0;
      margin-top:-18px;
      position:relative;
      z-index:2;
      padding:70px 0 0;
    }
    .section{
      padding:58px 0;
    }
    .section-tight{padding:42px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--accent);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,4vw,48px);
      line-height:1.05;
      letter-spacing:-.055em;
      font-weight:900;
      color:var(--ink);
    }
    .section-note{
      max-width:440px;
      color:var(--muted);
      margin:0;
    }
    .anchor-tabs{
      display:flex;
      gap:8px;
      overflow-x:auto;
      padding:8px;
      border:1px solid var(--line-dark);
      border-radius:999px;
      background:#fffaf3;
      box-shadow:var(--soft-shadow);
    }
    .anchor-tabs a{
      white-space:nowrap;
      padding:10px 14px;
      border-radius:999px;
      color:#6f6462;
      font-weight:800;
      font-size:14px;
    }
    .anchor-tabs a:hover,
    .anchor-tabs a.active{
      color:#211818;
      background:#ead8cb;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .flow-column{
      display:grid;
      gap:22px;
    }
    .side-rail{
      position:sticky;
      top:98px;
      display:grid;
      gap:16px;
    }
    .panel-card{
      border:1px solid var(--line-dark);
      border-radius:var(--radius-lg);
      background:#fffaf3;
      box-shadow:var(--soft-shadow);
      overflow:hidden;
    }
    .panel-inner{padding:24px}
    .dark-card{
      background:#211d1d;
      color:var(--white);
      border-color:rgba(255,255,255,.1);
    }
    .pain-list{
      display:grid;
      gap:14px;
    }
    .pain-item{
      display:grid;
      grid-template-columns:58px 1fr;
      gap:18px;
      align-items:start;
      padding:22px;
      border-radius:22px;
      background:linear-gradient(135deg,#fffaf3,#f2e6da);
      border:1px solid var(--line-dark);
      transition:transform var(--speed),box-shadow var(--speed),border-color var(--speed);
    }
    .pain-item:hover{
      transform:translateY(-3px);
      box-shadow:var(--soft-shadow);
      border-color:rgba(201,121,95,.28);
    }
    .pain-no{
      width:52px;
      height:52px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#211d1d;
      color:var(--accent-2);
      font-weight:900;
      font-size:18px;
    }
    .pain-item h3{
      margin:0 0 6px;
      font-size:20px;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .pain-item p{margin:0;color:var(--muted)}
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .matrix-card{
      min-height:150px;
      padding:20px;
      border:1px solid var(--line-dark);
      border-radius:22px;
      background:#fffaf3;
      transition:transform var(--speed),background var(--speed),border-color var(--speed);
    }
    .matrix-card:hover{
      transform:translateY(-4px);
      border-color:rgba(201,121,95,.35);
      background:#fff6eb;
    }
    .matrix-card.featured{
      grid-column:1 / -1;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:end;
      gap:18px;
      background:linear-gradient(135deg,#211d1d,#332829);
      color:var(--white);
      border-color:rgba(255,250,243,.12);
    }
    .matrix-card h3{
      margin:0 0 8px;
      font-size:22px;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .matrix-card p{margin:0;color:var(--muted)}
    .matrix-card.featured p{color:rgba(255,250,243,.68)}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:15px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line-dark);
      background:#fffaf3;
      color:#6a5e5b;
      font-size:13px;
      font-weight:800;
      transition:transform var(--speed),border-color var(--speed),background var(--speed),color var(--speed);
    }
    .tag:hover,
    .tag.active{
      transform:translateY(-1px);
      border-color:rgba(201,121,95,.42);
      background:#ead8cb;
      color:#241d1c;
    }
    .process-track{
      counter-reset:step;
      display:grid;
      gap:12px;
    }
    .process-item{
      counter-increment:step;
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:18px;
      border:1px solid var(--line-dark);
      border-radius:20px;
      background:#fffaf3;
    }
    .process-item:before{
      content:counter(step);
      width:44px;
      height:44px;
      border-radius:50%;
      background:#ead8cb;
      color:#211818;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
    }
    .process-item h3{margin:0 0 5px;font-size:18px;font-weight:900}
    .process-item p{margin:0;color:var(--muted);font-size:15px}
    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .compare-card{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line-dark);
      background:#fffaf3;
    }
    .compare-card strong{
      display:block;
      font-size:30px;
      line-height:1;
      letter-spacing:-.05em;
      margin-bottom:10px;
      color:var(--accent);
    }
    .compare-card h3{
      margin:0 0 8px;
      font-size:20px;
      font-weight:900;
    }
    .compare-card p{margin:0;color:var(--muted)}
    .quote-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:start;
    }
    .quote-card{
      padding:24px;
      border-radius:24px;
      background:#fffaf3;
      border:1px solid var(--line-dark);
      box-shadow:var(--soft-shadow);
    }
    .quote-card.offset{margin-top:34px;background:#f2e6da}
    .quote-text{
      font-size:19px;
      line-height:1.65;
      margin:0 0 18px;
      font-weight:750;
      color:#2b2524;
    }
    .quote-meta{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-size:14px;
      font-weight:750;
    }
    .avatar{
      width:38px;
      height:38px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#211818;
    }
    .rail-card{
      padding:20px;
      border-radius:24px;
      background:#211d1d;
      color:var(--white);
      border:1px solid rgba(255,250,243,.1);
    }
    .rail-card.light{
      background:#fffaf3;
      color:var(--ink);
      border-color:var(--line-dark);
    }
    .rail-title{
      margin:0 0 14px;
      font-size:18px;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .quick-links{
      display:grid;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .quick-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:11px 12px;
      border-radius:14px;
      background:rgba(255,250,243,.07);
      color:rgba(255,250,243,.78);
      font-weight:750;
      font-size:14px;
    }
    .quick-links a:hover{
      background:rgba(255,250,243,.13);
      color:var(--white);
    }
    .rail-card.light .quick-links a{
      background:#f2e6da;
      color:#5c504e;
    }
    .rail-card.light .quick-links a:hover{color:#211818;background:#ead8cb}
    .mini-stat{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mini-stat div{
      padding:14px;
      border-radius:16px;
      background:rgba(255,250,243,.07);
      border:1px solid rgba(255,250,243,.08);
    }
    .mini-stat strong{
      display:block;
      color:var(--accent-2);
      font-size:24px;
      line-height:1;
      margin-bottom:6px;
      font-weight:900;
    }
    .mini-stat span{color:rgba(255,250,243,.62);font-size:13px}
    .download-box{
      padding:24px;
      border-radius:28px;
      background:
        linear-gradient(135deg,rgba(33,29,29,.96),rgba(55,42,40,.94)),
        radial-gradient(circle at 88% 20%,rgba(201,121,95,.28),transparent 34%);
      color:var(--white);
      overflow:hidden;
      position:relative;
    }
    .download-box h2{
      margin:0 0 10px;
      color:var(--white);
      font-size:30px;
      line-height:1.12;
      letter-spacing:-.05em;
      font-weight:900;
    }
    .download-box p{margin:0 0 18px;color:rgba(255,250,243,.68)}
    .download-actions{display:flex;flex-wrap:wrap;gap:10px}
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line-dark);
      border-radius:18px;
      background:#fffaf3;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      border:0;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--ink);
      font-weight:900;
      text-align:left;
    }
    .faq-question i{color:var(--accent);transition:transform var(--speed)}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{transform:rotate(45deg)}
    .site-footer{
      background:#151313;
      color:var(--white);
      padding:52px 0 28px;
      margin-top:64px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:36px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid var(--line);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-desc{
      max-width:560px;
      color:rgba(255,250,243,.62);
      margin:0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      padding:10px 13px;
      border-radius:999px;
      color:rgba(255,250,243,.68);
      border:1px solid rgba(255,250,243,.12);
      font-weight:750;
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--white);
      border-color:rgba(231,179,142,.4);
      background:rgba(255,250,243,.06);
    }
    .copyright{
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,250,243,.45);
      font-size:13px;
    }
    @media (max-width:1024px){
      .desktop-menu{display:none}
      .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-search{width:170px}
      .mobile-panel.show{display:block}
      .page-hero{padding:52px 0}
      .content-layout{grid-template-columns:1fr}
      .side-rail{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .nav-wrap{gap:12px}
      .brand-name{font-size:15px}
      .nav-search{display:none}
      .nav-actions .btn-primary{display:none}
      .page-hero h1{font-size:clamp(38px,12vw,58px)}
      .hero-index{grid-template-columns:1fr}
      .whitepaper-card{min-height:auto;margin-top:24px}
      .lead-form{flex-direction:column}
      .lead-form .btn{width:100%}
      .section-head{display:block}
      .section-note{margin-top:12px}
      .content-layout{gap:18px}
      .matrix-grid,.compare-wrap,.quote-grid,.side-rail{grid-template-columns:1fr}
      .matrix-card.featured{grid-template-columns:1fr}
      .quote-card.offset{margin-top:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      body{background:linear-gradient(180deg,#151313 0%,#1d191a 34%,#fbf6ef 34%,#fbf6ef 100%)}
      .site-header{padding:10px 0}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .page-hero{padding:38px 0 46px}
      .hero-summary{font-size:16px}
      .hero-actions .btn{width:100%}
      .whitepaper-card{padding:16px;border-radius:22px}
      .cover{padding:18px;min-height:220px}
      .cover-title{font-size:26px;margin-top:30px}
      .main-surface{border-radius:24px 24px 0 0;padding-top:42px}
      .section{padding:40px 0}
      .pain-item{grid-template-columns:1fr}
      .anchor-tabs{border-radius:18px}
      .panel-inner{padding:18px}
      .section-title{font-size:30px}
    }

/* roulang page: category1 */
:root {
      --bg: #11100f;
      --bg-soft: #191614;
      --panel: #f7f1e8;
      --panel-soft: #efe5d8;
      --ink: #221c19;
      --muted: #756b63;
      --light: #fffaf3;
      --light-muted: rgba(255, 250, 243, .72);
      --line: rgba(255, 250, 243, .16);
      --line-dark: rgba(34, 28, 25, .12);
      --accent: #c46f55;
      --accent-strong: #e99a75;
      --rose: #8e5264;
      --copper: #b56d46;
      --shadow: 0 22px 70px rgba(0, 0, 0, .28);
      --shadow-soft: 0 14px 34px rgba(34, 28, 25, .10);
      --radius-xl: 20px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --nav-h: 76px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.72;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input:focus,
    button:focus,
    a:focus {
      outline: 2px solid rgba(233, 154, 117, .72);
      outline-offset: 3px;
    }

    .site-container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(17, 16, 15, .88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: var(--light);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #1a1210;
      background: linear-gradient(135deg, var(--accent-strong), #f2c7a7);
      box-shadow: 0 0 0 1px rgba(255, 250, 243, .18), 0 12px 26px rgba(196, 111, 85, .28);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: 16px;
      letter-spacing: 0;
    }

    .desktop-menu {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 0;
      padding: 0;
      list-style: none;
      flex: 1;
    }

    .desktop-menu a,
    .mobile-panel a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--light-muted);
      font-size: 14px;
      border: 1px solid transparent;
    }

    .desktop-menu a:hover,
    .mobile-panel a:hover {
      color: var(--light);
      border-color: rgba(233, 154, 117, .3);
      background: rgba(255, 250, 243, .06);
    }

    .desktop-menu a.active,
    .mobile-panel a.active {
      color: var(--light);
      background: rgba(196, 111, 85, .18);
      border-color: rgba(233, 154, 117, .42);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-search {
      height: 40px;
      width: 190px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      border: 1px solid rgba(255, 250, 243, .17);
      border-radius: 999px;
      color: var(--light-muted);
      background: rgba(255, 250, 243, .055);
    }

    .nav-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      box-shadow: none;
      margin: 0;
      padding: 0;
      color: var(--light);
      background: transparent;
      height: auto;
    }

    .nav-search input::placeholder {
      color: rgba(255, 250, 243, .52);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 10px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      line-height: 1.2;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease);
    }

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

    .btn-primary {
      color: #1c1210;
      background: linear-gradient(135deg, var(--accent-strong), #f1bd93);
      box-shadow: 0 12px 30px rgba(196, 111, 85, .28);
    }

    .btn-primary:hover {
      color: #1c1210;
      box-shadow: 0 16px 36px rgba(196, 111, 85, .38);
    }

    .btn-secondary {
      color: var(--light);
      border-color: rgba(255, 250, 243, .24);
      background: rgba(255, 250, 243, .06);
    }

    .btn-secondary:hover {
      color: var(--light);
      border-color: rgba(233, 154, 117, .58);
      background: rgba(255, 250, 243, .095);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(255, 250, 243, .18);
      color: var(--light);
      background: rgba(255, 250, 243, .06);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 16px;
      gap: 8px;
      flex-wrap: wrap;
    }

    .mobile-panel.is-open {
      display: flex;
    }

    .page-hero {
      position: relative;
      padding: 54px 0 72px;
      color: var(--light);
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 72%;
      background:
        radial-gradient(circle at 82% 20%, rgba(196, 111, 85, .22), transparent 34%),
        linear-gradient(180deg, rgba(25, 22, 20, .1), rgba(25, 22, 20, .92));
      pointer-events: none;
    }

    .hero-bento {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.32fr) minmax(310px, .68fr);
      grid-template-rows: auto auto;
      gap: 18px;
      align-items: stretch;
    }

    .hero-main,
    .hero-mini,
    .hero-cta-strip {
      border: 1px solid var(--line);
      background: rgba(255, 250, 243, .055);
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }

    .hero-main {
      grid-row: span 2;
      min-height: 430px;
      padding: clamp(30px, 5vw, 58px);
      border-radius: var(--radius-xl);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
    }

    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--light);
      border: 1px solid rgba(233, 154, 117, .36);
      background: rgba(196, 111, 85, .13);
      font-size: 13px;
      font-weight: 700;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 760px;
      margin: 26px 0 18px;
      font-size: clamp(40px, 6vw, 76px);
      line-height: 1.03;
      letter-spacing: 0;
      font-weight: 900;
    }

    .hero-copy {
      max-width: 710px;
      color: var(--light-muted);
      font-size: 18px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .wave-line {
      display: grid;
      grid-template-columns: repeat(24, 1fr);
      gap: 5px;
      align-items: end;
      height: 72px;
      margin-top: 42px;
      opacity: .9;
    }

    .wave-line span {
      display: block;
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(233, 154, 117, .95), rgba(255, 250, 243, .14));
      min-height: 12px;
      animation: rise 2.4s ease-in-out infinite;
    }

    .wave-line span:nth-child(2n) { height: 42px; animation-delay: .12s; }
    .wave-line span:nth-child(3n) { height: 58px; animation-delay: .22s; }
    .wave-line span:nth-child(4n) { height: 28px; animation-delay: .32s; }
    .wave-line span:nth-child(5n) { height: 66px; animation-delay: .42s; }

    @keyframes rise {
      0%, 100% { transform: scaleY(.72); opacity: .72; }
      50% { transform: scaleY(1); opacity: 1; }
    }

    .hero-mini {
      border-radius: var(--radius-lg);
      padding: 22px;
    }

    .mini-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 16px;
      font-weight: 800;
      color: var(--light);
    }

    .mini-title i {
      color: var(--accent-strong);
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255, 250, 243, .16);
      color: var(--light-muted);
      background: rgba(255, 250, 243, .055);
      font-size: 13px;
      font-weight: 650;
    }

    .tag:hover,
    .tag.active {
      color: var(--light);
      border-color: rgba(233, 154, 117, .56);
      background: rgba(196, 111, 85, .17);
      transform: translateY(-1px);
    }

    .hero-cta-strip {
      grid-column: 1 / -1;
      border-radius: var(--radius-lg);
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
    }

    .hero-cta-strip p {
      color: var(--light-muted);
      margin: 0;
    }

    main {
      background: var(--panel);
    }

    .section {
      padding: 84px 0;
    }

    .section.alt {
      background: var(--panel-soft);
    }

    .section.dark {
      color: var(--light);
      background: var(--bg-soft);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(280px, .38fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--copper);
      font-size: 13px;
      font-weight: 800;
    }

    .section h2 {
      margin-bottom: 10px;
      font-size: clamp(28px, 3.2vw, 46px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-desc {
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .dark .section-desc {
      color: var(--light-muted);
    }

    .filter-board {
      border-radius: var(--radius-xl);
      border: 1px solid var(--line-dark);
      background: rgba(255, 250, 243, .74);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .filter-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px;
      border-bottom: 1px solid var(--line-dark);
    }

    .filter-row:last-child {
      border-bottom: 0;
    }

    .filter-name {
      min-width: 92px;
      font-weight: 850;
      color: var(--ink);
    }

    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      flex: 1;
    }

    .filter-btn {
      min-height: 36px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(34, 28, 25, .12);
      color: var(--muted);
      background: rgba(255, 255, 255, .52);
      font-weight: 700;
      transition: var(--ease);
    }

    .filter-btn:hover,
    .filter-btn.active {
      color: var(--ink);
      border-color: rgba(196, 111, 85, .52);
      background: rgba(196, 111, 85, .13);
      transform: translateY(-1px);
    }

    .entry-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 22px;
      align-items: start;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .entry-card,
    .side-card,
    .quote-card,
    .result-card,
    .flow-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line-dark);
      background: rgba(255, 250, 243, .8);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .entry-card:hover,
    .side-card:hover,
    .quote-card:hover,
    .result-card:hover,
    .flow-card:hover {
      transform: translateY(-4px);
      border-color: rgba(196, 111, 85, .38);
      box-shadow: 0 18px 44px rgba(34, 28, 25, .14);
    }

    .entry-card {
      min-height: 238px;
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .entry-card.featured {
      grid-column: 1 / -1;
      min-height: 248px;
      color: var(--light);
      border-color: rgba(233, 154, 117, .25);
      background:
        linear-gradient(135deg, rgba(25, 22, 20, .96), rgba(93, 54, 54, .88)),
        radial-gradient(circle at 80% 10%, rgba(233, 154, 117, .22), transparent 35%);
    }

    .card-top {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .card-icon {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      color: #211512;
      background: rgba(233, 154, 117, .82);
      flex: 0 0 auto;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
    }

    .featured .status,
    .featured p,
    .featured .meta-line {
      color: var(--light-muted);
    }

    .entry-card h3 {
      margin-bottom: 9px;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 900;
    }

    .entry-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-bottom: 16px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 9px;
      border-radius: 999px;
      border: 1px solid rgba(34, 28, 25, .11);
      color: var(--muted);
      background: rgba(255, 255, 255, .44);
      font-size: 12px;
      font-weight: 750;
    }

    .featured .chip {
      color: var(--light);
      border-color: rgba(255, 250, 243, .19);
      background: rgba(255, 250, 243, .07);
    }

    .meta-line {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      border-top: 1px solid rgba(34, 28, 25, .10);
      padding-top: 14px;
    }

    .featured .meta-line {
      border-top-color: rgba(255, 250, 243, .14);
    }

    .side-stack {
      position: sticky;
      top: 96px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
    }

    .side-card h3 {
      margin-bottom: 14px;
      font-size: 18px;
      font-weight: 900;
    }

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

    .quick-list a,
    .quick-list span {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: 12px;
      color: var(--muted);
      background: rgba(255, 255, 255, .42);
      border: 1px solid rgba(34, 28, 25, .08);
      font-weight: 700;
    }

    .quick-list a:hover {
      color: var(--ink);
      border-color: rgba(196, 111, 85, .38);
      background: rgba(196, 111, 85, .10);
    }

    .pain-layout {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 18px;
    }

    .pain-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 250, 243, .14);
      background: rgba(255, 250, 243, .055);
    }

    .pain-card.large {
      min-height: 320px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .pain-number {
      color: var(--accent-strong);
      font-size: 42px;
      line-height: 1;
      font-weight: 900;
    }

    .pain-card h3 {
      margin: 18px 0 10px;
      font-size: 24px;
      color: var(--light);
      font-weight: 900;
    }

    .pain-card p {
      margin: 0;
      color: var(--light-muted);
    }

    .pain-stack {
      display: grid;
      gap: 18px;
    }

    .flow-track {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      counter-reset: flow;
    }

    .flow-card {
      position: relative;
      padding: 24px;
      overflow: hidden;
    }

    .flow-card::before {
      counter-increment: flow;
      content: "0" counter(flow);
      display: inline-flex;
      margin-bottom: 26px;
      color: rgba(196, 111, 85, .78);
      font-size: 34px;
      font-weight: 900;
      line-height: 1;
    }

    .flow-card h3 {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .flow-card p {
      margin: 0;
      color: var(--muted);
    }

    .result-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 18px;
    }

    .result-card {
      padding: 26px;
    }

    .result-value {
      display: block;
      margin-bottom: 12px;
      color: var(--copper);
      font-size: clamp(38px, 5vw, 62px);
      line-height: 1;
      font-weight: 900;
    }

    .result-card h3 {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .result-card p {
      margin: 0;
      color: var(--muted);
    }

    .quote-wrap {
      display: grid;
      grid-template-columns: 1fr 1.15fr 1fr;
      gap: 18px;
      align-items: start;
    }

    .quote-card {
      padding: 24px;
    }

    .quote-card:nth-child(2) {
      margin-top: 32px;
    }

    .quote-stars {
      color: var(--accent-strong);
      margin-bottom: 14px;
    }

    .quote-card blockquote {
      margin: 0 0 16px;
      padding: 0;
      border: 0;
      color: var(--light);
      font-size: 17px;
      line-height: 1.75;
    }

    .quote-user {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--light-muted);
      font-size: 14px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #1b1210;
      background: linear-gradient(135deg, #f1bd93, #c46f55);
      font-weight: 900;
    }

    .dark .quote-card {
      border-color: rgba(255, 250, 243, .14);
      background: rgba(255, 250, 243, .055);
      box-shadow: none;
    }

    .cta-band {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: clamp(28px, 5vw, 46px);
      border-radius: var(--radius-xl);
      color: var(--light);
      border: 1px solid rgba(233, 154, 117, .28);
      background:
        linear-gradient(135deg, rgba(25, 22, 20, .98), rgba(83, 48, 46, .94)),
        radial-gradient(circle at 80% 0%, rgba(233, 154, 117, .25), transparent 38%);
      box-shadow: var(--shadow);
    }

    .cta-band h2 {
      margin-bottom: 10px;
    }

    .cta-band p {
      margin: 0;
      color: var(--light-muted);
    }

    .faq-list {
      border-top: 1px solid var(--line-dark);
    }

    .faq-item {
      border-bottom: 1px solid var(--line-dark);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 0;
      border: 0;
      background: transparent;
      color: var(--ink);
      text-align: left;
      font-size: 18px;
      font-weight: 900;
    }

    .faq-question i {
      color: var(--copper);
      transition: transform var(--ease);
    }

    .faq-item.is-open .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      max-width: 820px;
      padding: 0 0 24px;
      color: var(--muted);
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .site-footer {
      padding: 48px 0 30px;
      color: var(--light);
      background: #0c0b0a;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 34px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--line);
    }

    .footer-desc {
      max-width: 560px;
      margin: 16px 0 0;
      color: var(--light-muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px 16px;
    }

    .footer-links a {
      color: var(--light-muted);
      font-size: 14px;
      font-weight: 700;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255, 250, 243, .56);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .site-container {
        width: min(100% - 32px, 920px);
      }

      .desktop-menu {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .hero-bento,
      .section-head,
      .entry-layout,
      .pain-layout,
      .cta-band {
        grid-template-columns: 1fr;
      }

      .hero-main {
        min-height: auto;
      }

      .hero-cta-strip {
        grid-column: auto;
        align-items: flex-start;
        flex-direction: column;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .flow-track,
      .result-grid,
      .quote-wrap {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .quote-card:nth-child(2) {
        margin-top: 0;
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-h: 66px;
      }

      .site-container {
        width: min(100% - 24px, 680px);
      }

      .nav-wrap {
        gap: 12px;
      }

      .brand-name {
        font-size: 14px;
        max-width: 158px;
        white-space: normal;
        line-height: 1.2;
      }

      .nav-search {
        display: none;
      }

      .nav-actions .btn {
        display: none;
      }

      .page-hero {
        padding: 34px 0 52px;
      }

      .hero-main,
      .hero-mini,
      .hero-cta-strip {
        border-radius: 16px;
      }

      .hero-main {
        padding: 26px;
      }

      h1 {
        font-size: 38px;
      }

      .hero-copy {
        font-size: 16px;
      }

      .section {
        padding: 58px 0;
      }

      .filter-row {
        align-items: flex-start;
        flex-direction: column;
      }

      .entry-grid,
      .side-stack,
      .flow-track,
      .result-grid,
      .quote-wrap {
        grid-template-columns: 1fr;
      }

      .entry-card.featured {
        grid-column: auto;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 20px, 480px);
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 10px;
      }

      .hero-actions,
      .cta-band .btn,
      .hero-cta-strip .btn {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .wave-line {
        grid-template-columns: repeat(16, 1fr);
        gap: 4px;
        height: 56px;
      }

      .wave-line span:nth-child(n+17) {
        display: none;
      }

      .meta-line {
        flex-direction: column;
        gap: 6px;
      }

      .copyright {
        flex-direction: column;
      }
    }