/* roulang page: index */
:root{
      --bg:#090807;
      --bg-2:#11100d;
      --panel:#17130f;
      --panel-2:#1e1a14;
      --panel-3:#20152a;
      --gold:#c8a65a;
      --gold-2:#d9bf7b;
      --gold-3:#9e7d35;
      --purple:#341b45;
      --wine:#4a1826;
      --green:#0f3a36;
      --indigo:#1d234a;
      --text:#f4ebdd;
      --muted:#b8aa92;
      --weak:#7f735f;
      --line:rgba(200,166,90,.28);
      --line-strong:rgba(216,184,117,.55);
      --shadow:0 22px 70px rgba(0,0,0,.48);
      --shadow-gold:0 0 0 1px rgba(200,166,90,.18),0 18px 50px rgba(0,0,0,.42);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      background:
        radial-gradient(circle at 16% 8%,rgba(74,24,38,.45),transparent 32%),
        radial-gradient(circle at 88% 14%,rgba(52,27,69,.42),transparent 34%),
        linear-gradient(180deg,var(--bg) 0%,#0d0a08 48%,#090807 100%);
      color:var(--text);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:
        linear-gradient(rgba(200,166,90,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(200,166,90,.06) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 70%);
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--gold-2)}
    img{max-width:100%;display:block}
    button,input{font-family:inherit}
    :focus-visible{
      outline:3px solid rgba(216,184,117,.7);
      outline-offset:3px;
      border-radius:12px;
    }
    .site-container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .section-heading{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--gold-2);
      font-size:13px;
      font-weight:700;
      letter-spacing:.06em;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:32px;
      height:1px;
      background:linear-gradient(90deg,var(--gold),transparent);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px,5vw,56px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:800;
      margin-bottom:20px;
    }
    h2{
      font-size:clamp(27px,3.2vw,38px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.03em;
      margin-bottom:10px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      font-weight:750;
      margin-bottom:10px;
    }
    p{color:var(--muted);font-size:16px}
    .lead-text{font-size:18px;color:#d5c7ae;max-width:780px}
    .muted{color:var(--muted)}
    .weak{color:var(--weak)}

    .site-header{
      position:sticky;
      top:16px;
      z-index:50;
      padding:14px 0 0;
    }
    .nav-shell{
      width:min(100% - 34px,1180px);
      margin:0 auto;
      background:rgba(17,14,11,.82);
      backdrop-filter:blur(16px);
      border:1px solid var(--line);
      box-shadow:0 18px 55px rgba(0,0,0,.38);
      border-radius:999px;
      padding:8px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      padding:8px 14px 8px 10px;
      border-radius:999px;
      color:var(--text);
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#100c07;
      background:
        linear-gradient(135deg,var(--gold-2),var(--gold) 55%,#8f6d2b);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),0 0 24px rgba(200,166,90,.28);
      font-weight:900;
    }
    .brand-text{
      font-size:15px;
      font-weight:800;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:10px 16px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      border:1px solid transparent;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(200,166,90,.08);
      border-color:rgba(200,166,90,.22);
    }
    .nav-links a.active{
      color:#151006;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      box-shadow:0 8px 24px rgba(200,166,90,.24);
    }
    .nav-action{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      border:1px solid var(--line-strong);
      color:var(--gold-2);
      font-size:14px;
      font-weight:750;
      background:rgba(200,166,90,.06);
      white-space:nowrap;
    }
    .nav-action:hover{
      background:rgba(200,166,90,.15);
      color:var(--text);
      transform:translateY(-1px);
    }
    .mobile-toggle{
      display:none;
      border:1px solid var(--line);
      background:rgba(200,166,90,.08);
      color:var(--gold-2);
      border-radius:999px;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
    }

    .hero{
      padding:112px 0 72px;
      min-height:680px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -12% -24% -12%;
      height:420px;
      background:radial-gradient(ellipse at center,rgba(200,166,90,.18),transparent 62%);
      pointer-events:none;
    }
    .hero-card{
      position:relative;
      z-index:2;
      border:1px solid var(--line);
      border-radius:34px;
      padding:46px;
      background:
        linear-gradient(135deg,rgba(32,21,42,.94),rgba(23,19,15,.92) 42%,rgba(15,58,54,.5)),
        radial-gradient(circle at 84% 18%,rgba(216,184,117,.16),transparent 30%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:
        linear-gradient(90deg,rgba(200,166,90,.18),transparent 22%,transparent 78%,rgba(200,166,90,.12)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 12px);
      opacity:.7;
    }
    .hero-content{
      position:relative;
      z-index:2;
      max-width:960px;
      margin:0 auto;
      text-align:center;
    }
    .hero-badges{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .badge-gold,.tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(9,8,7,.42);
      color:var(--gold-2);
      padding:8px 12px;
      font-size:13px;
      font-weight:750;
      box-shadow:inset 0 1px rgba(255,255,255,.04);
    }
    .hero-intro{
      width:min(100%,820px);
      margin:0 auto 26px;
      font-size:18px;
      color:#dacdb7;
    }
    .search-panel{
      width:min(100%,780px);
      margin:28px auto 20px;
      padding:8px;
      border-radius:999px;
      border:1px solid rgba(216,184,117,.38);
      background:rgba(9,8,7,.62);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.035),0 18px 45px rgba(0,0,0,.32);
      display:flex;
      align-items:center;
      gap:8px;
    }
    .search-panel i{color:var(--gold-2);font-size:18px;margin-left:18px}
    .search-panel input{
      flex:1;
      min-width:0;
      background:transparent;
      border:0;
      color:var(--text);
      font-size:16px;
      padding:13px 6px;
      outline:0;
    }
    .search-panel input::placeholder{color:#958872}
    .btn-main,.btn-ghost,.btn-small{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:all .22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-main{
      padding:13px 21px;
      color:#151006;
      background:linear-gradient(135deg,var(--gold-2),var(--gold) 58%,#ad8739);
      box-shadow:0 12px 28px rgba(200,166,90,.24);
    }
    .btn-main:hover{
      color:#080604;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(216,184,117,.3);
      filter:saturate(1.08);
    }
    .btn-ghost{
      padding:12px 19px;
      color:var(--gold-2);
      background:rgba(9,8,7,.34);
      border-color:var(--line-strong);
    }
    .btn-ghost:hover{
      color:var(--text);
      background:rgba(200,166,90,.13);
      transform:translateY(-2px);
    }
    .btn-small{
      padding:8px 13px;
      font-size:13px;
      color:var(--gold-2);
      background:rgba(200,166,90,.08);
      border-color:rgba(200,166,90,.24);
    }
    .btn-small:hover{background:rgba(200,166,90,.16);color:var(--text)}
    .quick-links{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .quick-links a{
      border:1px solid rgba(200,166,90,.22);
      border-radius:999px;
      padding:8px 13px;
      color:#d7c79f;
      background:rgba(23,19,15,.64);
      font-size:13px;
      font-weight:700;
    }
    .quick-links a:hover{
      border-color:var(--gold-2);
      transform:translateY(-2px);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      width:min(100%,780px);
      margin:28px auto 0;
    }
    .metric{
      border:1px solid rgba(200,166,90,.2);
      border-radius:18px;
      padding:15px;
      background:rgba(9,8,7,.38);
      text-align:left;
    }
    .metric strong{
      display:block;
      color:var(--gold-2);
      font-size:22px;
      line-height:1.1;
      margin-bottom:5px;
    }
    .metric span{font-size:13px;color:var(--muted)}

    .directory-grid{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:14px;
    }
    .directory-item{
      min-height:160px;
      border:1px solid var(--line);
      border-radius:22px;
      padding:20px;
      background:linear-gradient(180deg,rgba(30,26,20,.94),rgba(18,14,11,.94));
      box-shadow:var(--shadow-gold);
      position:relative;
      overflow:hidden;
    }
    .directory-item:nth-child(2n){background:linear-gradient(180deg,rgba(32,21,42,.82),rgba(18,14,11,.95))}
    .directory-item:nth-child(3n){background:linear-gradient(180deg,rgba(15,58,54,.68),rgba(18,14,11,.95))}
    .directory-item:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:0 24px 60px rgba(0,0,0,.52),0 0 24px rgba(200,166,90,.08);
    }
    .directory-no{
      font-size:13px;
      color:var(--gold-2);
      font-weight:900;
      margin-bottom:18px;
    }
    .directory-item h3{font-size:18px;margin-bottom:8px}
    .directory-item p{font-size:14px;margin-bottom:0;color:#bcae96}
    .directory-item::after{
      content:"↗";
      position:absolute;
      right:18px;
      bottom:14px;
      color:rgba(216,184,117,.42);
      font-weight:900;
    }

    .value-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-cover,.value-list,.panel-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg,rgba(30,26,20,.96),rgba(17,13,10,.96)),
        radial-gradient(circle at 80% 10%,rgba(200,166,90,.12),transparent 34%);
      box-shadow:var(--shadow-gold);
    }
    .feature-cover{
      padding:32px;
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .feature-cover::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border:1px solid rgba(200,166,90,.18);
      border-radius:50%;
      right:-90px;
      top:-80px;
      box-shadow:0 0 0 32px rgba(200,166,90,.025);
    }
    .feature-cover h3{font-size:30px;max-width:520px}
    .feature-cover p{max-width:620px}
    .check-steps{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      position:relative;
      z-index:2;
      margin-top:20px;
    }
    .step-chip{
      border:1px solid rgba(200,166,90,.22);
      border-radius:16px;
      padding:14px;
      background:rgba(9,8,7,.34);
      color:#d8ccb5;
      font-size:14px;
    }
    .step-chip i{color:var(--gold-2);margin-right:8px}
    .value-list{
      padding:18px;
      display:grid;
      gap:14px;
    }
    .value-row{
      display:flex;
      gap:16px;
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(200,166,90,.16);
      background:rgba(9,8,7,.3);
      transition:all .22s ease;
    }
    .value-row:hover{
      border-color:rgba(216,184,117,.46);
      transform:translateY(-2px);
      background:rgba(200,166,90,.065);
    }
    .value-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      color:var(--gold-2);
      background:rgba(200,166,90,.1);
      border:1px solid rgba(200,166,90,.22);
    }
    .value-row h3{font-size:18px;margin-bottom:5px}
    .value-row p{font-size:14px;margin-bottom:0}

    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .entry-card{
      border:1px solid var(--line);
      border-radius:22px;
      padding:22px;
      background:linear-gradient(180deg,rgba(32,21,42,.74),rgba(18,14,11,.96));
      min-height:178px;
      box-shadow:var(--shadow-gold);
    }
    .entry-card:nth-child(even){background:linear-gradient(180deg,rgba(15,58,54,.58),rgba(18,14,11,.96))}
    .entry-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
    .entry-icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:var(--gold-2);
      border:1px solid rgba(200,166,90,.28);
      background:rgba(200,166,90,.08);
      margin-bottom:16px;
    }
    .entry-card h3{font-size:18px}
    .entry-card p{font-size:14px;margin-bottom:16px}

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);
      gap:24px;
    }
    .featured-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      background:
        radial-gradient(circle at 90% 0,rgba(216,184,117,.18),transparent 28%),
        linear-gradient(145deg,rgba(74,24,38,.58),rgba(23,19,15,.96));
      box-shadow:var(--shadow);
      margin-bottom:18px;
    }
    .featured-card h3{font-size:28px}
    .featured-card p{font-size:16px}
    .meta-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin:16px 0;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:16px;
      border:1px solid rgba(200,166,90,.18);
      border-radius:18px;
      padding:16px;
      background:rgba(23,19,15,.82);
      transition:all .22s ease;
    }
    .news-item:hover{
      border-color:var(--line-strong);
      background:rgba(200,166,90,.06);
      transform:translateX(3px);
    }
    .news-num{
      width:36px;
      height:36px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#151006;
      font-weight:900;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
    }
    .news-item h3{font-size:18px;margin-bottom:3px}
    .news-item p{font-size:14px;margin-bottom:0}
    .side-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      background:linear-gradient(180deg,rgba(32,21,42,.74),rgba(17,13,10,.96));
      box-shadow:var(--shadow-gold);
      position:sticky;
      top:110px;
    }
    .side-panel h3{font-size:22px}
    .side-links{
      display:grid;
      gap:10px;
      margin-top:18px;
    }
    .side-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      border-radius:16px;
      border:1px solid rgba(200,166,90,.17);
      padding:13px 14px;
      background:rgba(9,8,7,.26);
      color:#d8cab1;
      font-weight:700;
      font-size:14px;
    }
    .side-links a:hover{border-color:var(--line-strong);color:var(--gold-2)}

    .recommend-scroll{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .recommend-card{
      border:1px solid var(--line);
      border-radius:22px;
      padding:22px;
      background:rgba(23,19,15,.86);
      min-height:220px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:all .22s ease;
    }
    .recommend-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      background:linear-gradient(180deg,rgba(32,21,42,.62),rgba(23,19,15,.94));
    }
    .recommend-card h3{font-size:19px}
    .recommend-card p{font-size:14px}

    .security-band{
      border:1px solid var(--line);
      border-radius:32px;
      padding:32px;
      background:
        linear-gradient(90deg,rgba(15,58,54,.72),rgba(23,19,15,.96) 48%,rgba(52,27,69,.56)),
        radial-gradient(circle at 8% 0,rgba(216,184,117,.18),transparent 30%);
      box-shadow:var(--shadow);
    }
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:22px;
    }
    .security-item{
      border:1px solid rgba(216,184,117,.23);
      border-radius:18px;
      padding:18px;
      background:rgba(9,8,7,.28);
    }
    .security-item i{color:var(--gold-2);font-size:22px;margin-bottom:14px}
    .security-item h3{font-size:17px}
    .security-item p{font-size:14px;margin-bottom:0}

    .download-cta{
      border:1px solid var(--line-strong);
      border-radius:34px;
      padding:36px;
      background:
        radial-gradient(circle at 84% 20%,rgba(216,184,117,.18),transparent 28%),
        linear-gradient(135deg,rgba(74,24,38,.68),rgba(32,21,42,.72) 45%,rgba(17,13,10,.96));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .download-grid{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:28px;
      align-items:center;
    }
    .download-form{
      border:1px solid rgba(200,166,90,.22);
      border-radius:24px;
      padding:20px;
      background:rgba(9,8,7,.38);
    }
    .form-line{
      display:flex;
      gap:10px;
      align-items:center;
      margin-top:12px;
    }
    .form-control.custom-input{
      border:1px solid rgba(200,166,90,.28);
      background:rgba(9,8,7,.62);
      color:var(--text);
      border-radius:999px;
      padding:13px 16px;
      box-shadow:none;
    }
    .form-control.custom-input::placeholder{color:#8f826e}
    .form-control.custom-input:focus{
      border-color:var(--gold-2);
      background:rgba(9,8,7,.76);
      color:var(--text);
      box-shadow:0 0 0 .2rem rgba(200,166,90,.16);
    }
    .form-note{
      margin:12px 0 0;
      font-size:13px;
      color:var(--weak);
    }
    .success-tip{
      display:none;
      margin-top:12px;
      color:var(--gold-2);
      font-size:14px;
      font-weight:700;
    }

    .accordion.custom-faq{
      display:grid;
      gap:12px;
    }
    .custom-faq .accordion-item{
      color:var(--text);
      background:rgba(23,19,15,.86);
      border:1px solid rgba(200,166,90,.22);
      border-radius:18px;
      overflow:hidden;
      box-shadow:none;
    }
    .custom-faq .accordion-button{
      color:var(--text);
      background:rgba(23,19,15,.96);
      box-shadow:none;
      font-weight:800;
      padding:18px 20px;
    }
    .custom-faq .accordion-button:not(.collapsed){
      color:var(--gold-2);
      background:rgba(200,166,90,.08);
      box-shadow:inset 0 -1px rgba(200,166,90,.18);
    }
    .custom-faq .accordion-button::after{
      filter:invert(80%) sepia(28%) saturate(658%) hue-rotate(4deg) brightness(92%);
    }
    .custom-faq .accordion-body{
      color:var(--muted);
      padding:18px 20px 22px;
      font-size:15px;
    }

    .site-footer{
      border-top:1px solid rgba(200,166,90,.18);
      background:linear-gradient(180deg,rgba(9,8,7,.1),rgba(9,8,7,.92));
      padding:48px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:30px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      font-weight:900;
      color:var(--text);
    }
    .footer-links{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      border:1px solid rgba(200,166,90,.18);
      border-radius:999px;
      padding:8px 12px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{
      color:var(--gold-2);
      border-color:var(--line-strong);
    }
    .copyright{
      border-top:1px solid rgba(200,166,90,.12);
      margin-top:28px;
      padding-top:20px;
      color:var(--weak);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }

    .back-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:46px;
      height:46px;
      border-radius:50%;
      display:grid;
      place-items:center;
      z-index:45;
      color:#151006;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      box-shadow:0 16px 34px rgba(0,0,0,.42);
      border:0;
      opacity:.92;
    }
    .back-top:hover{transform:translateY(-3px);opacity:1;color:#080604}

    @media (max-width:1100px){
      .directory-grid{grid-template-columns:repeat(3,1fr)}
      .entry-matrix,.recommend-scroll,.security-grid{grid-template-columns:repeat(2,1fr)}
      .value-wrap,.news-layout,.download-grid{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .hero-card{padding:38px 28px}
    }
    @media (max-width:860px){
      .site-header{top:10px}
      .nav-shell{
        border-radius:28px;
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .mobile-toggle{display:flex;margin-left:auto}
      .nav-links{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        padding:8px;
      }
      .nav-links.show{display:flex}
      .nav-links a{justify-content:center}
      .nav-action{display:none}
      .hero{padding:96px 0 54px;min-height:auto}
      .search-panel{
        border-radius:24px;
        flex-wrap:wrap;
        padding:12px;
      }
      .search-panel i{margin-left:4px}
      .search-panel input{flex-basis:calc(100% - 36px)}
      .search-panel .btn-main{width:100%}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section-heading{display:block}
      .directory-grid{grid-template-columns:repeat(2,1fr)}
      .check-steps{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:560px){
      .site-container{width:min(100% - 28px,var(--container))}
      .hero-card{padding:28px 18px;border-radius:26px}
      h1{font-size:32px}
      .directory-grid,.entry-matrix,.recommend-scroll,.security-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:auto 1fr}
      .news-item .fa-arrow-right{display:none}
      .feature-cover,.download-cta,.security-band{padding:24px 18px;border-radius:24px}
      .form-line{flex-direction:column}
      .form-line .btn-main{width:100%}
      .brand-text{max-width:188px;overflow:hidden;text-overflow:ellipsis}
    }

/* roulang page: category2 */
:root{
      --bg:#090807;
      --bg-soft:#11100d;
      --panel:#17130f;
      --panel-2:#1e1a14;
      --panel-purple:#20152a;
      --panel-green:#0f3a36;
      --gold:#c8a65a;
      --gold-bright:#d9bf7a;
      --gold-dark:#806737;
      --wine:#4a1826;
      --indigo:#1d234a;
      --text:#f4ebdd;
      --muted:#b8aa92;
      --weak:#7f735f;
      --border:rgba(200,166,90,.34);
      --border-strong:rgba(217,191,122,.62);
      --shadow:0 24px 70px rgba(0,0,0,.45);
      --glow:0 0 0 1px rgba(200,166,90,.22), 0 18px 60px rgba(200,166,90,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 16% 8%, rgba(74,24,38,.48), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(15,58,54,.36), transparent 32%),
        linear-gradient(180deg, #090807 0%, #11100d 45%, #090807 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.13;
      background-image:
        linear-gradient(rgba(200,166,90,.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,166,90,.12) 1px, transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(to bottom, #000 0%, transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--gold-bright)}
    img{max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(200,166,90,.35);color:#fff}

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

    .site-header{
      position:sticky;
      top:16px;
      z-index:1000;
      padding:10px 0 0;
    }
    .nav-shell{
      width:min(1180px, calc(100% - 32px));
      margin:0 auto;
      min-height:68px;
      padding:10px 12px 10px 18px;
      display:flex;
      align-items:center;
      gap:14px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(13,12,10,.82);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 52px rgba(0,0,0,.48), inset 0 1px 0 rgba(255,255,255,.05);
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex:0 0 auto;
      color:var(--text);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:38px;
      height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      border-radius:50%;
      color:#171006;
      font-weight:900;
      background:linear-gradient(135deg, var(--gold-bright), var(--gold), #7b5d24);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.45), 0 0 0 4px rgba(200,166,90,.12);
    }
    .brand-text{
      max-width:270px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:16px;
    }
    .nav-links{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      align-items:center;
      gap:6px;
      flex:1 1 auto;
      justify-content:center;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      border-color:rgba(200,166,90,.32);
      background:rgba(200,166,90,.08);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#151008;
      background:linear-gradient(135deg, var(--gold-bright), var(--gold));
      box-shadow:0 10px 24px rgba(200,166,90,.18);
    }
    .nav-action{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 16px;
      border-radius:999px;
      color:#151008;
      font-size:14px;
      font-weight:800;
      background:linear-gradient(135deg, var(--gold-bright), var(--gold));
      transition:.22s ease;
      flex:0 0 auto;
    }
    .nav-action:hover{
      color:#090807;
      transform:translateY(-2px);
      box-shadow:0 14px 28px rgba(200,166,90,.22);
    }
    .mobile-toggle{
      display:none;
      margin-left:auto;
      width:42px;
      height:42px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--gold-bright);
      background:rgba(255,255,255,.04);
      transition:.2s ease;
    }
    .mobile-toggle:hover,.mobile-toggle:focus{
      border-color:var(--border-strong);
      outline:none;
      box-shadow:0 0 0 4px rgba(200,166,90,.12);
    }

    .page-hero{
      padding:92px 0 58px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      padding:40px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(32,21,42,.72), rgba(23,19,15,.92) 58%, rgba(15,58,54,.42)),
        radial-gradient(circle at 16% 12%, rgba(217,191,122,.13), transparent 32%);
      box-shadow:var(--shadow);
      min-height:520px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .hero-copy::after{
      content:"兼容指引";
      position:absolute;
      right:-12px;
      bottom:14px;
      color:rgba(200,166,90,.06);
      font-size:94px;
      font-weight:900;
      letter-spacing:-.08em;
      line-height:1;
      pointer-events:none;
    }
    .eyebrow{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--border);
      color:var(--gold-bright);
      background:rgba(200,166,90,.08);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      background:rgba(255,255,255,.04);
    }
    h1{
      margin:0 0 18px;
      font-size:clamp(32px, 4.5vw, 54px);
      line-height:1.14;
      font-weight:850;
      letter-spacing:-.055em;
    }
    .hero-copy .lead{
      max-width:730px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .btn-gold,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-size:15px;
      font-weight:800;
      border:1px solid transparent;
      transition:.22s ease;
    }
    .btn-gold{
      color:#130f08;
      background:linear-gradient(135deg, var(--gold-bright), var(--gold) 58%, #a5843f);
      box-shadow:0 16px 30px rgba(200,166,90,.18);
    }
    .btn-gold:hover{
      color:#090807;
      transform:translateY(-2px);
      box-shadow:0 20px 44px rgba(200,166,90,.25);
    }
    .btn-ghost{
      color:var(--gold-bright);
      border-color:var(--border);
      background:rgba(9,8,7,.36);
    }
    .btn-ghost:hover{
      color:var(--text);
      background:rgba(200,166,90,.12);
      border-color:var(--border-strong);
      transform:translateY(-2px);
    }
    .btn-gold:focus,.btn-ghost:focus,.form-control:focus{
      outline:none;
      box-shadow:0 0 0 4px rgba(200,166,90,.16);
    }

    .whitepaper-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg, rgba(30,26,20,.96), rgba(15,58,54,.30));
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .whitepaper-card::before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(200,166,90,.18);
      border-radius:22px;
      pointer-events:none;
    }
    .cover{
      position:relative;
      z-index:1;
      border-radius:22px;
      padding:26px;
      min-height:260px;
      background:
        linear-gradient(135deg, rgba(74,24,38,.64), rgba(32,21,42,.78)),
        repeating-linear-gradient(90deg, rgba(217,191,122,.13) 0 1px, transparent 1px 24px);
      border:1px solid rgba(217,191,122,.32);
    }
    .cover-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      color:#171006;
      background:var(--gold-bright);
      font-size:12px;
      font-weight:900;
      margin-bottom:24px;
    }
    .cover h2{
      margin:0 0 14px;
      font-size:30px;
      line-height:1.2;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .cover p{
      color:var(--muted);
      margin:0;
      max-width:440px;
    }
    .toc-mini{
      position:relative;
      z-index:1;
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .toc-row{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(9,8,7,.44);
      border:1px solid rgba(200,166,90,.18);
    }
    .toc-row span{
      width:30px;
      height:30px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:var(--gold-bright);
      background:rgba(200,166,90,.10);
      flex:0 0 auto;
      font-size:12px;
      font-weight:900;
    }
    .toc-row strong{
      font-size:14px;
      line-height:1.35;
    }

    .section{
      padding:70px 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:28px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px, 3vw, 36px);
      line-height:1.22;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .section-title::before{
      content:"";
      display:block;
      width:48px;
      height:3px;
      border-radius:99px;
      margin-bottom:12px;
      background:linear-gradient(90deg, var(--gold-bright), transparent);
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:570px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(200,166,90,.18);
    }
    .tag.gold{
      color:var(--gold-bright);
      background:rgba(200,166,90,.09);
      border-color:rgba(200,166,90,.38);
    }

    .index-strip{
      display:flex;
      gap:12px;
      overflow:auto;
      padding:8px 2px 14px;
      scrollbar-color:var(--gold-dark) transparent;
    }
    .index-pill{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:11px 15px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--text);
      background:rgba(23,19,15,.8);
      transition:.22s ease;
    }
    .index-pill:hover{
      border-color:var(--border-strong);
      background:rgba(200,166,90,.1);
      transform:translateY(-2px);
    }
    .index-pill b{color:var(--gold-bright)}

    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:16px;
    }
    .matrix-card{
      min-height:210px;
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(200,166,90,.25);
      background:linear-gradient(145deg, rgba(23,19,15,.92), rgba(32,21,42,.42));
      box-shadow:var(--glow);
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .matrix-card::after{
      content:"";
      position:absolute;
      width:90px;
      height:90px;
      right:-26px;
      top:-24px;
      border-radius:50%;
      background:rgba(200,166,90,.08);
    }
    .matrix-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      background:linear-gradient(145deg, rgba(30,26,20,.96), rgba(15,58,54,.34));
    }
    .matrix-icon{
      width:46px;
      height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      color:var(--gold-bright);
      border:1px solid rgba(200,166,90,.42);
      background:rgba(200,166,90,.08);
      margin-bottom:16px;
      font-size:19px;
    }
    .matrix-card h3{
      margin:0 0 10px;
      font-size:19px;
      font-weight:820;
      letter-spacing:-.025em;
    }
    .matrix-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .content-split{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 360px;
      gap:24px;
      align-items:start;
    }
    .step-list{
      display:grid;
      gap:16px;
    }
    .step-card{
      display:grid;
      grid-template-columns:62px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(200,166,90,.22);
      background:rgba(23,19,15,.82);
      box-shadow:0 18px 48px rgba(0,0,0,.22);
      transition:.24s ease;
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      background:linear-gradient(135deg, rgba(30,26,20,.98), rgba(32,21,42,.36));
    }
    .step-no{
      width:50px;
      height:50px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#151008;
      font-weight:900;
      background:linear-gradient(135deg, var(--gold-bright), var(--gold));
    }
    .step-card h3{
      margin:0 0 6px;
      font-size:20px;
      font-weight:820;
      letter-spacing:-.025em;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .step-action{
      color:var(--gold-bright);
      font-weight:800;
      white-space:nowrap;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(200,166,90,.25);
      transition:.2s ease;
    }
    .step-action:hover{
      background:rgba(200,166,90,.1);
      border-color:var(--border-strong);
    }

    .side-card{
      border:1px solid var(--border);
      border-radius:24px;
      background:
        linear-gradient(160deg, rgba(15,58,54,.46), rgba(23,19,15,.96)),
        radial-gradient(circle at 100% 0%, rgba(217,191,122,.14), transparent 34%);
      padding:22px;
      box-shadow:var(--glow);
      position:sticky;
      top:104px;
    }
    .side-card h3{
      margin:0 0 12px;
      font-size:22px;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .side-list{
      list-style:none;
      margin:18px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .side-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .side-list i{
      color:var(--gold-bright);
      margin-top:6px;
    }

    .recommend-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .feature-note{
      min-height:100%;
      border:1px solid var(--border);
      border-radius:26px;
      padding:28px;
      background:linear-gradient(145deg, rgba(74,24,38,.36), rgba(23,19,15,.94));
      box-shadow:var(--shadow);
    }
    .feature-note h3{
      margin:16px 0 12px;
      font-size:27px;
      font-weight:850;
      letter-spacing:-.04em;
      line-height:1.25;
    }
    .feature-note p{color:var(--muted);margin:0 0 20px}
    .compact-notes{
      display:grid;
      gap:14px;
    }
    .note-item{
      padding:18px;
      border-radius:20px;
      border:1px solid rgba(200,166,90,.2);
      background:rgba(23,19,15,.82);
      transition:.22s ease;
    }
    .note-item:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
    }
    .note-item h3{
      margin:0 0 8px;
      font-size:19px;
      font-weight:820;
    }
    .note-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .download-panel{
      display:grid;
      grid-template-columns:1fr 390px;
      gap:24px;
      border:1px solid var(--border-strong);
      border-radius:30px;
      padding:30px;
      background:
        linear-gradient(135deg, rgba(32,21,42,.82), rgba(15,58,54,.46)),
        radial-gradient(circle at 14% 20%, rgba(217,191,122,.16), transparent 28%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .download-panel h2{
      margin:0 0 14px;
      font-size:34px;
      line-height:1.2;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .download-panel p{
      color:var(--muted);
      margin:0 0 18px;
    }
    .checklist{
      list-style:none;
      margin:22px 0 0;
      padding:0;
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:10px;
    }
    .checklist li{
      display:flex;
      align-items:flex-start;
      gap:9px;
      color:var(--text);
      font-size:14px;
      padding:10px 12px;
      border-radius:14px;
      background:rgba(9,8,7,.32);
      border:1px solid rgba(200,166,90,.16);
    }
    .checklist i{color:var(--gold-bright);margin-top:5px}
    .download-form{
      padding:20px;
      border-radius:24px;
      background:rgba(9,8,7,.48);
      border:1px solid rgba(200,166,90,.24);
    }
    .form-label{
      color:var(--text);
      font-size:14px;
      font-weight:800;
    }
    .form-control{
      min-height:48px;
      color:var(--text);
      background:rgba(23,19,15,.92);
      border:1px solid rgba(200,166,90,.26);
      border-radius:16px;
    }
    .form-control::placeholder{color:var(--weak)}
    .form-control:focus{
      color:var(--text);
      background:rgba(23,19,15,.98);
      border-color:var(--gold-bright);
    }
    .form-hint{
      color:var(--weak);
      font-size:13px;
      margin-top:10px;
    }
    .form-message{
      display:none;
      margin-top:12px;
      color:var(--gold-bright);
      font-weight:800;
      font-size:14px;
    }

    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:transparent;
      --bs-accordion-btn-focus-box-shadow:none;
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid rgba(200,166,90,.24)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:rgba(23,19,15,.82)!important;
    }
    .accordion-button{
      color:var(--text)!important;
      background:rgba(23,19,15,.9)!important;
      padding:18px 20px;
      font-weight:820;
      box-shadow:none!important;
    }
    .accordion-button::after{
      filter:invert(78%) sepia(42%) saturate(401%) hue-rotate(2deg) brightness(94%);
    }
    .accordion-button:not(.collapsed){
      color:var(--gold-bright)!important;
      border-bottom:1px solid rgba(200,166,90,.18);
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 20px 22px;
    }

    .site-footer{
      padding:58px 0 26px;
      background:linear-gradient(180deg, rgba(9,8,7,.2), #070605);
      border-top:1px solid rgba(200,166,90,.18);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:32px;
      padding:28px;
      border:1px solid rgba(200,166,90,.2);
      border-radius:28px;
      background:rgba(23,19,15,.62);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      margin-bottom:14px;
      color:var(--text);
    }
    .footer-grid p{
      margin:0;
      color:var(--muted);
      max-width:680px;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
      align-content:flex-start;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid rgba(200,166,90,.18);
      background:rgba(255,255,255,.03);
      font-size:14px;
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:var(--gold-bright);
      border-color:var(--border-strong);
      background:rgba(200,166,90,.08);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-top:20px;
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width:1100px){
      .brand-text{max-width:210px}
      .nav-links a{padding:10px 11px}
      .matrix-grid{grid-template-columns:repeat(3,1fr)}
      .download-panel{grid-template-columns:1fr}
    }
    @media (max-width:992px){
      .site-header{top:8px}
      .nav-shell{
        border-radius:28px;
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-links{
        order:5;
        width:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:8px 0 2px;
      }
      .nav-links.show{display:flex}
      .nav-links a{justify-content:flex-start}
      .nav-action{display:none}
      .hero-grid,.content-split,.recommend-grid,.footer-grid{
        grid-template-columns:1fr;
      }
      .hero-copy{min-height:auto}
      .side-card{position:relative;top:auto}
      .section-head{display:block}
      .section-desc{margin-top:12px}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, var(--container))}
      .page-hero{padding:52px 0 34px}
      .hero-copy,.whitepaper-card,.download-panel{padding:20px}
      .cover{padding:20px}
      .hero-copy::after{font-size:58px}
      .matrix-grid{grid-template-columns:1fr 1fr}
      .step-card{
        grid-template-columns:48px 1fr;
      }
      .step-action{
        grid-column:1 / -1;
        justify-self:start;
      }
      .checklist{grid-template-columns:1fr}
      .section{padding:48px 0}
      .copyright{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .nav-shell{width:calc(100% - 18px);padding:9px}
      .brand-text{max-width:185px;font-size:14px}
      .brand-mark{width:34px;height:34px}
      .hero-actions{flex-direction:column}
      .btn-gold,.btn-ghost{width:100%}
      .matrix-grid{grid-template-columns:1fr}
      .cover h2{font-size:24px}
      .download-panel h2{font-size:27px}
      .toc-row{align-items:flex-start}
      .step-card{padding:16px}
    }

/* roulang page: category1 */
:root {
      --bg: #090807;
      --bg-soft: #11100d;
      --panel: #17130f;
      --panel-2: #1e1a14;
      --panel-3: #20152a;
      --gold: #d6b875;
      --gold-2: #c8a65a;
      --gold-deep: #7a5f2a;
      --purple: #341b45;
      --wine: #4a1826;
      --green: #0f3a36;
      --text: #f4ebdd;
      --muted: #b8aa92;
      --weak: #7f735f;
      --line: rgba(214, 184, 117, .26);
      --line-strong: rgba(214, 184, 117, .48);
      --shadow: 0 24px 70px rgba(0, 0, 0, .46);
      --shadow-gold: 0 18px 44px rgba(198, 156, 74, .14);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-pill: 999px;
      --container: 1200px;
      --ease: all .24s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 6%, rgba(74, 24, 38, .46), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(52, 27, 69, .38), transparent 32%),
        linear-gradient(180deg, #090807 0%, #11100d 44%, #090807 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(214, 184, 117, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(214, 184, 117, .025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .75), transparent 75%);
      z-index: -1;
    }

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

    a:hover {
      color: var(--gold);
    }

    img, svg {
      max-width: 100%;
      height: auto;
    }

    button, input {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible {
      outline: 2px solid rgba(214, 184, 117, .9);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 18px;
      z-index: 1000;
      padding: 0 20px;
    }

    .nav-shell {
      width: min(1220px, 100%);
      margin: 0 auto;
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 14px 10px 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      background: rgba(13, 11, 9, .78);
      box-shadow: 0 18px 58px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(255, 255, 255, .05);
      backdrop-filter: blur(16px);
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -.03em;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      color: #14100a;
      font-weight: 900;
      background: linear-gradient(135deg, #f1d99a, var(--gold-2) 52%, #8d6826);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .42), 0 10px 26px rgba(214, 184, 117, .18);
      border: 1px solid rgba(255, 241, 190, .42);
    }

    .brand-text {
      font-size: 17px;
      max-width: 310px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 44px;
      padding: 10px 15px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      border: 1px solid transparent;
    }

    .nav-links a:hover {
      color: var(--text);
      border-color: rgba(214, 184, 117, .25);
      background: rgba(214, 184, 117, .08);
    }

    .nav-links a.active {
      color: #161009;
      background: linear-gradient(135deg, #efd796, var(--gold-2));
      box-shadow: 0 12px 26px rgba(214, 184, 117, .18);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      border-radius: var(--radius-pill);
      color: var(--gold);
      border: 1px solid var(--line-strong);
      background: rgba(214, 184, 117, .08);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .nav-action:hover {
      color: #15100a;
      background: linear-gradient(135deg, #f0d894, var(--gold-2));
      transform: translateY(-1px);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 1px solid var(--line);
      color: var(--gold);
      background: rgba(214, 184, 117, .08);
    }

    main {
      padding-top: 42px;
    }

    .section {
      padding: 76px 0;
      position: relative;
    }

    .section-tight {
      padding: 52px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--gold);
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      padding: 7px 12px;
      background: rgba(214, 184, 117, .07);
      font-size: 13px;
      font-weight: 760;
      letter-spacing: .02em;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-title {
      margin: 12px 0 0;
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.18;
      font-weight: 850;
      letter-spacing: -.04em;
    }

    .section-desc {
      color: var(--muted);
      margin: 10px 0 0;
      max-width: 680px;
      font-size: 16px;
    }

    .btn-gold,
    .btn-outline-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: var(--radius-pill);
      font-weight: 800;
      border: 1px solid transparent;
      transition: var(--ease);
    }

    .btn-gold {
      color: #15100a;
      background: linear-gradient(135deg, #f3d98d 0%, var(--gold-2) 54%, #9a742d 100%);
      box-shadow: 0 18px 34px rgba(214, 184, 117, .18);
    }

    .btn-gold:hover {
      color: #110c07;
      transform: translateY(-2px);
      box-shadow: 0 24px 44px rgba(214, 184, 117, .25);
    }

    .btn-outline-gold {
      color: var(--gold);
      border-color: var(--line-strong);
      background: rgba(8, 7, 6, .35);
    }

    .btn-outline-gold:hover {
      color: var(--text);
      background: rgba(214, 184, 117, .11);
      border-color: rgba(214, 184, 117, .72);
      transform: translateY(-2px);
    }

    .page-hero {
      padding: 74px 0 42px;
    }

    .hero-frame {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(23, 19, 15, .92), rgba(32, 21, 42, .9) 52%, rgba(15, 58, 54, .72)),
        radial-gradient(circle at 80% 8%, rgba(214, 184, 117, .22), transparent 30%);
      box-shadow: var(--shadow);
      padding: clamp(24px, 4vw, 42px);
    }

    .hero-frame::after {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(214, 184, 117, .12);
      border-radius: 26px;
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
      gap: 34px;
      align-items: center;
    }

    .breadcrumb-mini {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--weak);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .breadcrumb-mini a {
      color: var(--muted);
    }

    .breadcrumb-mini a:hover {
      color: var(--gold);
    }

    h1 {
      margin: 0;
      max-width: 800px;
      font-size: clamp(31px, 5vw, 52px);
      line-height: 1.13;
      letter-spacing: -.055em;
      font-weight: 900;
    }

    .hero-summary {
      margin: 18px 0 0;
      max-width: 750px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(214, 184, 117, .22);
      color: var(--muted);
      background: rgba(0, 0, 0, .18);
      padding: 7px 11px;
      font-size: 13px;
      font-weight: 650;
    }

    .tag.gold {
      color: #17110a;
      background: linear-gradient(135deg, #ead18c, var(--gold-2));
      border-color: rgba(255, 235, 177, .38);
    }

    .vertical-visual {
      width: min(360px, 100%);
      margin-left: auto;
      aspect-ratio: 9 / 14;
      border-radius: 32px;
      padding: 18px;
      background:
        linear-gradient(180deg, rgba(9, 8, 7, .62), rgba(23, 19, 15, .92)),
        radial-gradient(circle at 50% 0%, rgba(214, 184, 117, .2), transparent 45%);
      border: 1px solid rgba(214, 184, 117, .38);
      box-shadow: 0 24px 70px rgba(0, 0, 0, .38), inset 0 0 0 1px rgba(255, 255, 255, .04);
      position: relative;
      overflow: hidden;
    }

    .vertical-visual::before {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 25px;
      border: 1px solid rgba(214, 184, 117, .14);
      pointer-events: none;
    }

    .screen-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--weak);
      font-size: 12px;
      margin-bottom: 14px;
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--gold);
      font-weight: 700;
    }

    .status-dot::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
      box-shadow: 0 0 16px rgba(214, 184, 117, .7);
    }

    .diagnose-card {
      position: relative;
      z-index: 1;
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(214, 184, 117, .22);
      background: linear-gradient(145deg, rgba(32, 21, 42, .72), rgba(23, 19, 15, .92));
      margin-bottom: 12px;
    }

    .diagnose-card h3 {
      font-size: 17px;
      margin: 0 0 10px;
      font-weight: 850;
    }

    .check-line {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      padding: 8px 0;
      border-top: 1px solid rgba(214, 184, 117, .12);
    }

    .check-line strong {
      color: var(--gold);
      font-weight: 800;
      white-space: nowrap;
    }

    .mini-meter {
      height: 9px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      margin-top: 12px;
    }

    .mini-meter span {
      display: block;
      width: 72%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--gold-2), #efe0ad);
    }

    .index-scroll {
      display: flex;
      gap: 12px;
      overflow-x: auto;
      padding: 4px 2px 12px;
      scrollbar-width: thin;
      scrollbar-color: var(--gold-deep) transparent;
    }

    .index-pill {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 15px;
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      background: rgba(23, 19, 15, .76);
      color: var(--muted);
      font-weight: 750;
      font-size: 14px;
    }

    .index-pill:hover,
    .index-pill.active {
      color: #15100a;
      border-color: rgba(239, 216, 150, .7);
      background: linear-gradient(135deg, #ead18c, var(--gold-2));
      transform: translateY(-2px);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 28px;
      align-items: start;
    }

    .story-list {
      display: grid;
      gap: 18px;
    }

    .article-row {
      display: grid;
      grid-template-columns: 94px minmax(0, 1fr);
      gap: 18px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(23, 19, 15, .92), rgba(30, 26, 20, .76));
      box-shadow: 0 14px 40px rgba(0, 0, 0, .22);
      transition: var(--ease);
    }

    .article-row:hover {
      transform: translateY(-3px);
      border-color: rgba(214, 184, 117, .58);
      box-shadow: var(--shadow-gold);
      background: linear-gradient(135deg, rgba(35, 28, 20, .96), rgba(32, 21, 42, .72));
    }

    .row-label {
      min-height: 82px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      text-align: center;
      color: var(--gold);
      background: rgba(214, 184, 117, .07);
      border: 1px solid rgba(214, 184, 117, .22);
      font-size: 13px;
      font-weight: 850;
      line-height: 1.35;
    }

    .article-row h2,
    .article-row h3 {
      margin: 0;
      font-size: 22px;
      line-height: 1.35;
      font-weight: 850;
      letter-spacing: -.025em;
    }

    .article-row p {
      color: var(--muted);
      margin: 10px 0 14px;
    }

    .row-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    .meta-left {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .meta-badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 6px 10px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      background: rgba(0, 0, 0, .2);
      border: 1px solid rgba(214, 184, 117, .16);
      font-size: 12px;
      font-weight: 700;
    }

    .row-link {
      color: var(--gold);
      font-weight: 800;
      white-space: nowrap;
    }

    .row-link:hover {
      color: #f0d894;
      transform: translateX(2px);
    }

    .side-stack {
      position: sticky;
      top: 116px;
      display: grid;
      gap: 18px;
    }

    .side-card,
    .feature-card,
    .faq-wrap,
    .cta-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(23, 19, 15, .92), rgba(32, 21, 42, .58));
      box-shadow: 0 16px 46px rgba(0, 0, 0, .26);
    }

    .side-card {
      padding: 22px;
    }

    .side-card h3 {
      margin: 0 0 12px;
      font-size: 20px;
      font-weight: 850;
    }

    .step-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 12px;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 32px minmax(0, 1fr);
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .step-no {
      width: 32px;
      height: 32px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: #15100a;
      background: linear-gradient(135deg, #ead18c, var(--gold-2));
      font-weight: 900;
    }

    .search-box {
      display: flex;
      gap: 8px;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(0, 0, 0, .2);
      margin-top: 16px;
    }

    .search-box input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      padding: 10px;
    }

    .search-box input::placeholder {
      color: var(--weak);
    }

    .search-box button {
      width: 42px;
      border: 0;
      border-radius: 13px;
      color: #15100a;
      background: linear-gradient(135deg, #ead18c, var(--gold-2));
      transition: var(--ease);
    }

    .search-box button:hover {
      transform: translateY(-1px);
      filter: brightness(1.05);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .feature-card {
      padding: 22px;
      transition: var(--ease);
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(214, 184, 117, .55);
      box-shadow: var(--shadow-gold);
    }

    .feature-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(214, 184, 117, .28);
      border-radius: 16px;
      color: var(--gold);
      background: rgba(214, 184, 117, .07);
      margin-bottom: 15px;
      font-size: 18px;
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 850;
    }

    .feature-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .notice-strip {
      border: 1px solid rgba(214, 184, 117, .3);
      border-radius: var(--radius-lg);
      padding: 18px 20px;
      display: flex;
      align-items: center;
      gap: 16px;
      background: linear-gradient(90deg, rgba(74, 24, 38, .45), rgba(23, 19, 15, .86), rgba(15, 58, 54, .4));
    }

    .notice-strip i {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 15px;
      color: #15100a;
      background: linear-gradient(135deg, #ead18c, var(--gold-2));
    }

    .notice-strip p {
      margin: 0;
      color: var(--muted);
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-btn-focus-box-shadow: none;
      display: grid;
      gap: 12px;
    }

    .faq-wrap {
      padding: 18px;
    }

    .accordion-item {
      overflow: hidden;
      border: 1px solid rgba(214, 184, 117, .2) !important;
      border-radius: 18px !important;
      background: rgba(9, 8, 7, .26) !important;
    }

    .accordion-button {
      color: var(--text) !important;
      background: rgba(23, 19, 15, .78) !important;
      font-weight: 800;
      padding: 18px 20px;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--gold) !important;
      background: rgba(214, 184, 117, .08) !important;
    }

    .accordion-button::after {
      filter: sepia(1) saturate(1.6) brightness(1.3);
    }

    .accordion-body {
      color: var(--muted);
      padding: 18px 20px 20px;
      background: rgba(0, 0, 0, .14);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(26px, 4vw, 42px);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      background:
        radial-gradient(circle at 88% 18%, rgba(214, 184, 117, .2), transparent 28%),
        linear-gradient(135deg, rgba(32, 21, 42, .82), rgba(23, 19, 15, .96) 52%, rgba(74, 24, 38, .62));
    }

    .cta-panel::before {
      content: "收藏";
      position: absolute;
      right: 30px;
      top: -12px;
      color: rgba(214, 184, 117, .09);
      font-size: 96px;
      font-weight: 900;
      letter-spacing: -.06em;
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 900;
      letter-spacing: -.04em;
    }

    .cta-panel p {
      position: relative;
      z-index: 1;
      margin: 0;
      color: var(--muted);
      max-width: 760px;
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      margin-top: 34px;
      padding: 56px 0 28px;
      border-top: 1px solid var(--line);
      background:
        radial-gradient(circle at 12% 0%, rgba(214, 184, 117, .12), transparent 26%),
        linear-gradient(180deg, rgba(9, 8, 7, .72), #070605);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
      gap: 36px;
      align-items: start;
    }

    .footer-brand {
      font-size: 18px;
      margin-bottom: 14px;
    }

    .site-footer p {
      color: var(--muted);
      margin: 0;
      max-width: 650px;
    }

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

    .footer-links a {
      display: inline-flex;
      padding: 9px 13px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      background: rgba(214, 184, 117, .06);
      border: 1px solid rgba(214, 184, 117, .14);
      font-weight: 650;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--gold);
      border-color: var(--line-strong);
      transform: translateY(-2px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(214, 184, 117, .14);
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .nav-action {
        display: none;
      }

      .hero-grid,
      .content-layout {
        grid-template-columns: 1fr;
      }

      .vertical-visual {
        margin: 0;
        width: min(420px, 100%);
      }

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

      .matrix-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 860px) {
      .site-header {
        top: 10px;
        padding: 0 12px;
      }

      .nav-shell {
        border-radius: 28px;
        flex-wrap: wrap;
      }

      .mobile-toggle {
        display: inline-grid;
        place-items: center;
        margin-left: auto;
      }

      .nav-links {
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0 4px;
      }

      .nav-links.show {
        display: flex;
      }

      .nav-links a {
        justify-content: flex-start;
        width: 100%;
      }

      .brand-text {
        max-width: 210px;
      }

      main {
        padding-top: 18px;
      }

      .page-hero {
        padding-top: 42px;
      }

      .section {
        padding: 54px 0;
      }

      .section-head {
        display: block;
      }

      .article-row {
        grid-template-columns: 1fr;
      }

      .row-label {
        min-height: auto;
        width: fit-content;
        padding: 10px 14px;
      }

      .side-stack,
      .matrix-grid {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }

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

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

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

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 12px;
      }

      .brand-text {
        font-size: 15px;
        max-width: 178px;
      }

      .hero-frame {
        border-radius: 26px;
        padding: 22px 18px;
      }

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

      .btn-gold,
      .btn-outline-gold {
        width: 100%;
      }

      .vertical-visual {
        border-radius: 26px;
        aspect-ratio: auto;
      }

      .notice-strip {
        align-items: flex-start;
      }

      .copyright {
        display: block;
      }

      .copyright span {
        display: block;
        margin-top: 8px;
      }
    }