/* roulang page: index */
:root{
      --bg:#0b1311;
      --bg-2:#101916;
      --surface:#f4f6f3;
      --surface-2:#edf1ed;
      --card:#ffffff;
      --text:#14211c;
      --muted:#5f6f68;
      --line:#d9e1dc;
      --line-2:#c8d2cc;
      --primary:#1d8f67;
      --primary-2:#2ba27a;
      --primary-deep:#14674a;
      --accent:#c89a53;
      --accent-2:#e7c27a;
      --shadow:0 18px 50px rgba(13, 28, 22, .12);
      --shadow-soft:0 10px 30px rgba(13, 28, 22, .08);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:24px;
      --container:1240px;
      --space-1:8px;
      --space-2:12px;
      --space-3:16px;
      --space-4:20px;
      --space-5:28px;
      --space-6:36px;
      --space-7:48px;
      --space-8:72px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Heiti SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at top left, rgba(45, 160, 122, .08), transparent 32%),
        radial-gradient(circle at 85% 10%, rgba(200, 154, 83, .08), transparent 24%),
        linear-gradient(180deg, #f7f9f7 0%, #eef2ef 100%);
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(20,33,28,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20,33,28,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.22), rgba(0,0,0,.05) 60%, transparent);
      opacity:.42;
      z-index:-1;
    }

    img{
      display:block;
      width:100%;
      height:auto;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:color .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
    }

    button,input{
      font:inherit;
    }

    button{
      border:0;
      background:none;
      color:inherit;
      cursor:pointer;
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
    }

    ::selection{
      background:rgba(29,143,103,.18);
      color:var(--text);
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .topbar{
      background:linear-gradient(90deg, #13211c, #0e1714);
      color:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }

    .topbar-inner{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 0;
    }

    .topbar-note{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }

    .topbar-note .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary-2);
      box-shadow:0 0 0 6px rgba(43,162,122,.12);
      flex:0 0 auto;
    }

    .topbar-tags{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.84);
      border:1px solid rgba(255,255,255,.08);
      white-space:nowrap;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,249,247,.94);
      border-bottom:1px solid rgba(19,33,28,.08);
      backdrop-filter:none;
    }

    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:14px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
      flex:0 0 auto;
    }

    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      background:
        linear-gradient(145deg, rgba(43,162,122,1), rgba(20,103,74,1));
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:800;
      letter-spacing:.08em;
      box-shadow:0 12px 22px rgba(29,143,103,.22);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }

    .brand-text strong{
      font-size:18px;
      line-height:1.2;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .brand-text span{
      font-size:12px;
      color:var(--muted);
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      gap:18px;
      flex:1 1 auto;
      justify-content:flex-end;
      min-width:0;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      border-radius:999px;
      box-shadow:0 10px 24px rgba(13, 28, 22, .04);
    }

    .nav-links a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      letter-spacing:.02em;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--primary-deep);
      background:rgba(29,143,103,.08);
      outline:none;
    }

    .nav-links a.active{
      color:#fff;
      background:linear-gradient(145deg, var(--primary), var(--primary-deep));
      box-shadow:0 10px 20px rgba(29,143,103,.2);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:600;
      letter-spacing:.01em;
      white-space:nowrap;
      box-shadow:none;
    }

    .btn-primary{
      background:linear-gradient(145deg, var(--primary), var(--primary-deep));
      color:#fff;
      box-shadow:0 12px 20px rgba(29,143,103,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 16px 24px rgba(29,143,103,.22);
      outline:none;
    }

    .btn-secondary{
      background:rgba(255,255,255,.8);
      color:var(--text);
      border-color:var(--line);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(29,143,103,.3);
      background:#fff;
      box-shadow:0 14px 24px rgba(13, 28, 22, .08);
      outline:none;
    }

    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:#fff;
      position:relative;
      flex:0 0 auto;
    }

    .menu-toggle::before,
    .menu-toggle::after,
    .menu-toggle span{
      content:"";
      position:absolute;
      left:11px;
      right:11px;
      height:2px;
      border-radius:2px;
      background:var(--text);
      transition:transform .24s var(--ease), opacity .24s var(--ease), top .24s var(--ease), bottom .24s var(--ease);
    }

    .menu-toggle::before{top:14px}
    .menu-toggle span{top:21px}
    .menu-toggle::after{bottom:14px}

    .page-shell{
      padding-bottom:var(--space-8);
    }

    .hero{
      position:relative;
      overflow:hidden;
      color:#f3f7f5;
      margin-top:18px;
      border-radius:28px;
      background:
        linear-gradient(120deg, rgba(8,16,14,.86) 0%, rgba(10,20,17,.72) 48%, rgba(10,20,17,.62) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }

    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:160px;
      background:linear-gradient(180deg, transparent, rgba(11,19,17,.22));
      pointer-events:none;
    }

    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:center;
      padding:38px;
      min-height:560px;
    }

    .hero-copy{
      max-width:700px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.12);
      color:#f2f7f4;
      font-size:13px;
      letter-spacing:.08em;
      margin-bottom:16px;
    }

    .eyebrow .stripe{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent-2);
      box-shadow:0 0 0 6px rgba(231,194,122,.12);
    }

    .hero h1{
      margin:0;
      font-size:clamp(38px, 6vw, 66px);
      line-height:1.08;
      letter-spacing:.01em;
    }

    .hero p{
      margin:18px 0 0;
      color:rgba(243,247,245,.84);
      font-size:17px;
      max-width:44rem;
    }

    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:26px;
    }

    .hero-actions .btn-secondary{
      background:rgba(255,255,255,.08);
      color:#f4f8f6;
      border-color:rgba(255,255,255,.16);
    }

    .hero-actions .btn-secondary:hover,
    .hero-actions .btn-secondary:focus-visible{
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.24);
      box-shadow:none;
    }

    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }

    .hero-tags a,
    .hero-tags span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
      color:#f7fbf9;
      font-size:13px;
    }

    .hero-aside{
      display:grid;
      gap:14px;
      align-self:stretch;
    }

    .visual-card{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      border-radius:24px;
      padding:14px;
      box-shadow:0 16px 30px rgba(0,0,0,.12);
    }

    .visual-main{
      position:relative;
      overflow:hidden;
      min-height:340px;
      border-radius:20px;
      background:#0e1714;
    }

    .visual-main img{
      width:100%;
      height:100%;
      min-height:340px;
      object-fit:cover;
      filter:saturate(1.02) contrast(1.02);
    }

    .visual-main .mask{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,16,14,.02), rgba(8,16,14,.52));
    }

    .visual-caption{
      position:absolute;
      left:16px;
      right:16px;
      bottom:16px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }

    .visual-caption .badge-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:600;
      letter-spacing:.02em;
      background:rgba(255,255,255,.12);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
    }

    .badge.badge-accent{
      background:rgba(200,154,83,.16);
      border-color:rgba(231,194,122,.24);
      color:#fff7e6;
    }

    .visual-caption strong{
      font-size:18px;
      line-height:1.3;
    }

    .visual-caption span{
      color:rgba(243,247,245,.82);
      font-size:13px;
    }

    .visual-mini{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }

    .mini-panel{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }

    .mini-panel h3{
      margin:0 0 8px;
      font-size:15px;
      color:#fff;
    }

    .mini-panel p{
      margin:0;
      font-size:13px;
      color:rgba(243,247,245,.82);
    }

    .quickbar{
      margin-top:-24px;
      position:relative;
      z-index:2;
    }

    .quick-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }

    .quick-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 18px;
      border-radius:20px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(217,225,220,.9);
      box-shadow:var(--shadow-soft);
    }

    .quick-item:hover,
    .quick-item:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(29,143,103,.22);
      box-shadow:0 16px 28px rgba(13, 28, 22, .08);
      outline:none;
    }

    .quick-item strong{
      display:block;
      font-size:16px;
      margin-bottom:2px;
    }

    .quick-item span{
      display:block;
      color:var(--muted);
      font-size:13px;
    }

    .quick-arrow{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(29,143,103,.08);
      color:var(--primary-deep);
      flex:0 0 auto;
    }

    .section{
      padding:var(--space-8) 0 0;
    }

    .section-header{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:24px;
    }

    .section-title{
      margin:0;
      font-size:clamp(26px, 3vw, 38px);
      line-height:1.16;
      letter-spacing:.01em;
      color:var(--text);
    }

    .section-subtitle{
      margin:10px 0 0;
      color:var(--muted);
      max-width:720px;
      font-size:15px;
    }

    .section-link{
      flex:0 0 auto;
      color:var(--primary-deep);
      font-weight:600;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(29,143,103,.08);
    }

    .section-link:hover,
    .section-link:focus-visible{
      transform:translateY(-1px);
      background:rgba(29,143,103,.12);
      outline:none;
    }

    .featured-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }

    .feature-main,
    .feature-stack,
    .content-card,
    .flow-card,
    .faq-card,
    .cta-card{
      border-radius:var(--radius);
      background:rgba(255,255,255,.9);
      border:1px solid rgba(217,225,220,.94);
      box-shadow:var(--shadow-soft);
    }

    .feature-main{
      overflow:hidden;
      position:relative;
    }

    .feature-main .image-wrap{
      position:relative;
      min-height:380px;
      overflow:hidden;
    }

    .feature-main .image-wrap img{
      width:100%;
      height:100%;
      min-height:380px;
      object-fit:cover;
    }

    .feature-main .overlay{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(13,23,20,.12), rgba(13,23,20,.78));
    }

    .feature-main .content{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      padding:26px;
      color:#fff;
      z-index:2;
    }

    .feature-main .content .badge-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:12px;
    }

    .feature-main .content h3{
      margin:0;
      font-size:28px;
      line-height:1.15;
    }

    .feature-main .content p{
      margin:12px 0 0;
      color:rgba(255,255,255,.84);
      max-width:46rem;
      font-size:15px;
    }

    .bullet-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px 16px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }

    .bullet-list li{
      position:relative;
      padding-left:18px;
      color:#f4f8f6;
      font-size:14px;
    }

    .bullet-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.8em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(231,194,122,.16);
      transform:translateY(-50%);
    }

    .feature-main .content .btn{
      margin-top:18px;
    }

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

    .stack-item{
      display:grid;
      grid-template-columns:132px 1fr;
      gap:14px;
      align-items:stretch;
      padding:10px;
      border-radius:18px;
      border:1px solid var(--line);
      background:#fff;
    }

    .stack-item figure{
      margin:0;
      overflow:hidden;
      border-radius:14px;
      min-height:120px;
      background:#dfe6e2;
    }

    .stack-item img{
      width:100%;
      height:100%;
      min-height:120px;
      object-fit:cover;
    }

    .stack-item .stack-content{
      padding:6px 6px 6px 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }

    .stack-item h4{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.25;
    }

    .stack-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .stack-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:12px;
    }

    .stack-meta .badge{
      background:rgba(29,143,103,.08);
      color:var(--primary-deep);
      border-color:rgba(29,143,103,.14);
    }

    .card-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }

    .content-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }

    .content-card .thumb{
      position:relative;
      aspect-ratio:16 / 9;
      overflow:hidden;
      background:#dde5e0;
    }

    .content-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s var(--ease);
    }

    .content-card:hover .thumb img{
      transform:scale(1.04);
    }

    .content-card .thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent, rgba(11,19,17,.16));
    }

    .content-card .body{
      display:flex;
      flex:1 1 auto;
      flex-direction:column;
      padding:18px;
    }

    .content-card .body h3{
      margin:10px 0 8px;
      font-size:18px;
      line-height:1.35;
    }

    .content-card .body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      flex:1 1 auto;
    }

    .meta-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:16px;
      padding-top:14px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
    }

    .meta-row .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(29,143,103,.08);
      color:var(--primary-deep);
      font-weight:600;
    }

    .flow-layout{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:22px;
      align-items:stretch;
    }

    .flow-figure{
      overflow:hidden;
      min-height:100%;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid rgba(217,225,220,.94);
      box-shadow:var(--shadow-soft);
    }

    .flow-figure .img{
      position:relative;
      min-height:100%;
      height:100%;
    }

    .flow-figure img{
      width:100%;
      height:100%;
      min-height:380px;
      object-fit:cover;
    }

    .flow-figure .shade{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(13,23,20,.06), rgba(13,23,20,.72));
    }

    .flow-figure .caption{
      position:absolute;
      left:20px;
      right:20px;
      bottom:20px;
      z-index:2;
      color:#fff;
    }

    .flow-figure .caption h3{
      margin:0 0 8px;
      font-size:26px;
      line-height:1.15;
    }

    .flow-figure .caption p{
      margin:0;
      color:rgba(255,255,255,.84);
      max-width:34rem;
      font-size:14px;
    }

    .flow-card{
      padding:22px;
    }

    .flow-list{
      display:grid;
      gap:14px;
      margin-top:16px;
    }

    .flow-step{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:18px;
      background:var(--surface);
      border:1px solid var(--line);
    }

    .flow-step .num{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg, rgba(29,143,103,.12), rgba(29,143,103,.06));
      color:var(--primary-deep);
      font-weight:800;
      flex:0 0 auto;
    }

    .flow-step h4{
      margin:0 0 4px;
      font-size:16px;
    }

    .flow-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .info-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .info-strip span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:1fr;
      gap:12px;
    }

    .faq-card{
      overflow:hidden;
    }

    details{
      border-top:1px solid var(--line);
      background:#fff;
    }

    details:first-child{
      border-top:0;
      border-radius:var(--radius);
    }

    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:700;
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      outline:none;
    }

    summary::-webkit-details-marker{display:none}

    summary::after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(29,143,103,.08);
      color:var(--primary-deep);
      flex:0 0 auto;
      transition:transform .24s var(--ease), background-color .24s var(--ease);
    }

    details[open] summary{
      background:rgba(29,143,103,.04);
      border-bottom:1px solid var(--line);
    }

    details[open] summary::after{
      content:"–";
      transform:none;
      background:rgba(29,143,103,.14);
    }

    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      background:linear-gradient(180deg, rgba(244,246,243,.8), #fff);
    }

    .cta-section{
      padding:var(--space-8) 0 0;
    }

    .cta-card{
      position:relative;
      overflow:hidden;
      padding:30px;
      background:
        linear-gradient(120deg, rgba(20,31,26,.98), rgba(18,45,35,.94)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
    }

    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(110deg, rgba(255,255,255,.02), transparent 58%);
      pointer-events:none;
    }

    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }

    .cta-inner h2{
      margin:0;
      font-size:clamp(26px, 3vw, 38px);
      line-height:1.18;
    }

    .cta-inner p{
      margin:10px 0 0;
      color:rgba(255,255,255,.82);
      max-width:54rem;
      font-size:15px;
    }

    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      flex:0 0 auto;
    }

    .cta-actions .btn-secondary{
      background:rgba(255,255,255,.08);
      color:#fff;
      border-color:rgba(255,255,255,.16);
    }

    .cta-actions .btn-secondary:hover,
    .cta-actions .btn-secondary:focus-visible{
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.24);
      box-shadow:none;
      outline:none;
    }

    .footer{
      margin-top:var(--space-8);
      padding:34px 0 28px;
      background:linear-gradient(180deg, #0f1815, #0b1311);
      color:rgba(255,255,255,.8);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:22px;
      padding-bottom:22px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }

    .footer-brand .brand{
      color:#fff;
    }

    .footer-brand p{
      margin:0;
      max-width:34rem;
      color:rgba(255,255,255,.72);
      font-size:14px;
    }

    .footer-col h4{
      margin:0 0 14px;
      color:#fff;
      font-size:15px;
    }

    .footer-links{
      display:grid;
      gap:10px;
    }

    .footer-links a{
      color:rgba(255,255,255,.72);
      font-size:14px;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      outline:none;
    }

    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:18px;
      font-size:13px;
      color:rgba(255,255,255,.64);
    }

    .footer-bottom a{
      color:rgba(255,255,255,.78);
    }

    .footer-bottom a:hover,
    .footer-bottom a:focus-visible{
      color:#fff;
      outline:none;
    }

    .section-divider{
      width:100%;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(20,33,28,.14), transparent);
      margin:var(--space-8) 0 0;
    }

    .mobile-only{
      display:none;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }

    .skip-link:focus{
      left:16px;
      top:16px;
      width:auto;
      height:auto;
      z-index:100;
      padding:10px 14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
    }

    @media (max-width: 1180px){
      .quick-grid,
      .card-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .featured-layout,
      .flow-layout{
        grid-template-columns:1fr;
      }
      .hero-inner{
        grid-template-columns:1fr;
      }
      .hero-aside{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 1024px){
      .header-inner{
        gap:12px;
      }
      .nav-wrap{
        gap:12px;
      }
      .nav-links a{
        padding:0 12px;
      }
      .hero-inner{
        padding:28px;
        min-height:auto;
      }
      .hero h1{
        font-size:clamp(34px, 7vw, 54px);
      }
      .visual-main,
      .visual-main img{
        min-height:300px;
      }
    }

    @media (max-width: 860px){
      .topbar-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .topbar-tags{
        justify-content:flex-start;
      }
      .cta-inner,
      .section-header{
        flex-direction:column;
        align-items:flex-start;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .stack-item{
        grid-template-columns:1fr;
      }
      .stack-item figure{
        min-height:180px;
      }
      .stack-item img{
        min-height:180px;
      }
    }

    @media (max-width: 768px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }

      .menu-toggle{
        display:inline-block;
      }

      .nav-wrap{
        position:absolute;
        left:12px;
        right:12px;
        top:100%;
        margin-top:10px;
        padding:14px;
        border-radius:22px;
        background:rgba(247,249,247,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        display:none;
        flex-direction:column;
        align-items:stretch;
      }

      .site-header.nav-open .nav-wrap{
        display:flex;
      }

      .nav-links{
        width:100%;
        border-radius:20px;
        justify-content:stretch;
        flex-wrap:wrap;
      }

      .nav-links a{
        flex:1 1 calc(50% - 6px);
      }

      .nav-actions{
        width:100%;
        justify-content:stretch;
      }

      .nav-actions .btn{
        flex:1 1 50%;
      }

      .hero{
        border-radius:24px;
      }

      .hero-inner{
        padding:22px;
      }

      .quick-grid,
      .card-grid{
        grid-template-columns:1fr;
      }

      .quick-item{
        padding:16px;
      }

      .visual-mini{
        grid-template-columns:1fr;
      }

      .bullet-list{
        grid-template-columns:1fr;
      }

      .feature-main .content{
        padding:20px;
      }

      .cta-card{
        padding:22px;
      }
    }

    @media (max-width: 520px){
      .topbar{
        font-size:12px;
      }
      .brand-mark{
        width:42px;
        height:42px;
        border-radius:14px;
      }
      .brand-text strong{
        font-size:16px;
      }
      .hero{
        margin-top:12px;
      }
      .hero h1{
        font-size:32px;
      }
      .hero p,
      .section-subtitle,
      .cta-inner p{
        font-size:14px;
      }
      .hero-actions,
      .cta-actions{
        flex-direction:column;
        width:100%;
      }
      .hero-actions .btn,
      .cta-actions .btn{
        width:100%;
      }
      .nav-links a,
      .nav-actions .btn{
        min-height:42px;
      }
      .feature-main .content h3{
        font-size:22px;
      }
      .stack-item h4,
      .content-card .body h3{
        font-size:17px;
      }
      .flow-figure .caption h3{
        font-size:22px;
      }
      .faq-answer{
        font-size:13px;
      }
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{
        animation:none !important;
        transition:none !important;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#07100d;
      --bg-2:#0d1a16;
      --surface:#f4f6f3;
      --surface-2:#eef2ee;
      --surface-3:#e7ece7;
      --text:#11201b;
      --text-strong:#07100d;
      --muted:#60706a;
      --line:rgba(17,32,27,.12);
      --line-strong:rgba(17,32,27,.18);
      --brand:#20b486;
      --brand-2:#16936d;
      --brand-deep:#0f6e52;
      --accent:#b8894f;
      --shadow:0 16px 40px rgba(7,16,13,.12);
      --shadow-soft:0 10px 24px rgba(7,16,13,.08);
      --radius-xl:22px;
      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:10px;
      --container:1280px;
      --gap:24px;
      --transition:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(32,180,134,.16), transparent 28%),
        radial-gradient(circle at 85% 12%, rgba(184,137,79,.10), transparent 24%),
        linear-gradient(180deg, #f8faf7 0%, #eef3ef 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      position:relative;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(16,35,29,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16,35,29,.025) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 92%);
      opacity:.55;
      z-index:-1;
    }
    img{max-width:100%; display:block}
    a{color:inherit; text-decoration:none; transition:color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition)}
    button,input,summary{font:inherit}
    button,input{border:0; background:none}
    :focus-visible{outline:3px solid rgba(32,180,134,.36); outline-offset:3px}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .topbar{
      background:linear-gradient(90deg, #091512 0%, #0d1c17 100%);
      color:rgba(255,255,255,.84);
      font-size:13px;
      letter-spacing:.02em;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .topbar-inner{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:8px 0;
    }
    .topbar-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:4px 10px;
      border-radius:999px;
      background:rgba(32,180,134,.14);
      color:#d8fff0;
      border:1px solid rgba(32,180,134,.22);
      white-space:nowrap;
    }
    .topbar-note{
      color:rgba(255,255,255,.72);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(248,250,247,.92);
      backdrop-filter:saturate(160%) blur(10px);
      border-bottom:1px solid rgba(17,32,27,.08);
    }
    .nav-shell{
      min-height:82px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(145deg, var(--brand) 0%, var(--brand-deep) 100%);
      color:#fff;
      font-weight:800;
      letter-spacing:.06em;
      box-shadow:0 12px 24px rgba(32,180,134,.26);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.15;
    }
    .brand-text strong{
      font-size:16px;
      color:var(--text-strong);
      letter-spacing:.01em;
    }
    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:var(--muted);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
      margin-right:10px;
      flex-wrap:wrap;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      color:#20312c;
      border:1px solid transparent;
      background:transparent;
      font-weight:600;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(32,180,134,.08);
      border-color:rgba(32,180,134,.20);
      color:var(--brand-deep);
      transform:translateY(-1px);
    }
    .nav-links a.active,
    .nav-links a[aria-current="page"]{
      background:linear-gradient(145deg, rgba(32,180,134,.14), rgba(32,180,134,.08));
      border-color:rgba(32,180,134,.24);
      color:var(--brand-deep);
      box-shadow:0 8px 16px rgba(32,180,134,.10);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:var(--shadow-soft);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(145deg, var(--brand) 0%, var(--brand-deep) 100%);
      box-shadow:0 12px 24px rgba(32,180,134,.18);
    }
    .btn-primary:hover{
      background:linear-gradient(145deg, #26c592 0%, #0d7a5a 100%);
    }
    .btn-secondary{
      color:var(--text);
      background:#fff;
      border-color:rgba(17,32,27,.14);
    }
    .btn-secondary:hover{
      border-color:rgba(32,180,134,.34);
      color:var(--brand-deep);
      background:#f7fbf8;
    }

    main{padding-bottom:28px}
    .section{padding:28px 0}
    .page-banner{
      position:relative;
      overflow:hidden;
      color:#fff;
      padding:24px 0 22px;
    }
    .page-banner .banner-surface{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(180deg, rgba(6,13,11,.20), rgba(6,13,11,.66)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:0 22px 54px rgba(7,16,13,.18);
    }
    .page-banner .banner-surface::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(16,35,29,.86) 12%, rgba(16,35,29,.70) 54%, rgba(16,35,29,.48) 100%);
      pointer-events:none;
    }
    .banner-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
      gap:28px;
      align-items:center;
      padding:28px;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      color:rgba(255,255,255,.8);
      font-size:14px;
      margin-bottom:18px;
      flex-wrap:wrap;
    }
    .breadcrumb a{
      color:#f0fff9;
      opacity:.84;
    }
    .breadcrumb a:hover{opacity:1}
    .banner-copy .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      color:#d8fff0;
      font-size:13px;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .banner-copy h1{
      margin:16px 0 12px;
      font-size:clamp(32px, 5vw, 56px);
      line-height:1.08;
      letter-spacing:-.02em;
    }
    .banner-copy p{
      margin:0;
      max-width:680px;
      color:rgba(255,255,255,.84);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-actions .btn{
      min-width:128px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.08);
      color:#f1fff9;
      font-size:13px;
      white-space:nowrap;
    }
    .hero-visual{
      margin:0;
      padding:14px;
      border-radius:24px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-visual .image-frame{
      overflow:hidden;
      border-radius:18px;
      aspect-ratio:4/3;
      box-shadow:0 16px 32px rgba(7,16,13,.22);
    }
    .hero-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .hero-visual figcaption{
      margin-top:12px;
      color:rgba(255,255,255,.82);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .hero-visual figcaption span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }

    .quick-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
      margin-top:18px;
    }
    .quick-card{
      display:block;
      padding:20px 18px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, #fff 0%, #f7faf7 100%);
      border:1px solid rgba(17,32,27,.08);
      box-shadow:0 8px 20px rgba(7,16,13,.05);
      min-height:132px;
    }
    .quick-card:hover{
      transform:translateY(-2px);
      border-color:rgba(32,180,134,.28);
      box-shadow:0 18px 34px rgba(7,16,13,.09);
    }
    .quick-card .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(32,180,134,.10);
      color:var(--brand-deep);
      border:1px solid rgba(32,180,134,.18);
      font-size:12px;
      font-weight:700;
    }
    .quick-card h3{
      margin:14px 0 8px;
      font-size:18px;
      color:var(--text-strong);
      line-height:1.35;
    }
    .quick-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:6px 0 0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.15;
      color:var(--text-strong);
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(32,180,134,.10);
      color:var(--brand-deep);
      border:1px solid rgba(32,180,134,.15);
      font-size:13px;
      font-weight:700;
    }
    .section-head p{
      margin:0;
      max-width:520px;
      color:var(--muted);
      font-size:15px;
    }

    .featured-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:24px;
      align-items:start;
    }
    .feature-card,
    .info-card,
    .article-card,
    .sidebar-box,
    .faq-item,
    .cta-panel{
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:linear-gradient(180deg, #fff 0%, #f7faf7 100%);
      box-shadow:var(--shadow-soft);
    }
    .feature-card{
      overflow:hidden;
    }
    .feature-media{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#dfe7e1;
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(7,16,13,.56) 100%);
      pointer-events:none;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-content{
      padding:22px 22px 24px;
    }
    .feature-content .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .badge-soft{
      color:var(--brand-deep);
      background:rgba(32,180,134,.11);
      border:1px solid rgba(32,180,134,.18);
    }
    .badge-warm{
      color:#8c6634;
      background:rgba(184,137,79,.13);
      border:1px solid rgba(184,137,79,.18);
    }
    .feature-content h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.22;
      color:var(--text-strong);
    }
    .feature-content p{
      margin:0 0 16px;
      color:var(--muted);
    }
    .bullet-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .bullet-list li{
      position:relative;
      padding-left:18px;
      color:var(--text);
    }
    .bullet-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.78em;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(32,180,134,.12);
      transform:translateY(-50%);
    }
    .info-stack{
      display:grid;
      gap:16px;
    }
    .info-card{
      padding:20px;
    }
    .info-card h3{
      margin:10px 0 8px;
      font-size:19px;
      color:var(--text-strong);
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .info-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(145deg, rgba(32,180,134,.14), rgba(32,180,134,.08));
      color:var(--brand-deep);
      border:1px solid rgba(32,180,134,.16);
      font-weight:800;
    }

    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,8fr) minmax(300px,4fr);
      gap:24px;
      align-items:start;
    }
    .cards-main{
      display:grid;
      grid-template-columns:repeat(12, minmax(0,1fr));
      gap:18px;
    }
    .article-card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .article-card .card-image{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#dfe6e2;
    }
    .article-card .card-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 260ms ease;
    }
    .article-card:hover .card-image img{
      transform:scale(1.03);
    }
    .article-card .card-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px;
      flex:1;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:12px;
    }
    .card-meta .mini-tag{
      display:inline-flex;
      align-items:center;
      padding:4px 8px;
      border-radius:999px;
      background:rgba(17,32,27,.05);
      color:#345047;
      border:1px solid rgba(17,32,27,.08);
    }
    .article-card h3{
      margin:0;
      font-size:20px;
      line-height:1.28;
      color:var(--text-strong);
    }
    .article-card p{
      margin:0;
      color:var(--muted);
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:3.2em;
    }
    .card-link{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand-deep);
      font-weight:700;
      width:max-content;
    }
    .card-link::after{
      content:"→";
      transition:transform var(--transition);
    }
    .article-card:hover .card-link::after{
      transform:translateX(3px);
    }
    .card-lg{grid-column:span 12}
    .card-sm{grid-column:span 6}
    .card-feature{
      border:1px solid rgba(32,180,134,.18);
      box-shadow:0 16px 34px rgba(7,16,13,.08);
    }
    .card-feature .card-meta .mini-tag{
      background:rgba(32,180,134,.10);
      color:var(--brand-deep);
      border-color:rgba(32,180,134,.14);
    }

    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:104px;
    }
    .sidebar-box{
      padding:20px;
    }
    .sidebar-box h3{
      margin:0 0 12px;
      font-size:18px;
      color:var(--text-strong);
    }
    .link-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .link-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:14px;
      background:var(--surface);
      border:1px solid rgba(17,32,27,.08);
      color:var(--text);
      font-weight:600;
    }
    .link-list a:hover{
      border-color:rgba(32,180,134,.25);
      background:#fff;
      transform:translateY(-1px);
      color:var(--brand-deep);
    }
    .link-list a span{
      color:var(--muted);
      font-size:12px;
      font-weight:600;
    }
    .sidebar-media{
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(17,32,27,.08);
      aspect-ratio:16/10;
      margin-bottom:14px;
    }
    .sidebar-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .sidebar-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .faq-wrap{
      display:grid;
      gap:14px;
    }
    .faq-item{
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text-strong);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:999px;
      border:1px solid rgba(17,32,27,.12);
      background:#fff;
      color:var(--brand-deep);
      flex:0 0 auto;
      transition:transform var(--transition), background-color var(--transition);
    }
    .faq-item[open] summary{
      border-bottom:1px solid rgba(17,32,27,.08);
      background:linear-gradient(180deg, #ffffff 0%, #f5f8f5 100%);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(32,180,134,.10);
      border-color:rgba(32,180,134,.18);
      transform:rotate(180deg);
    }
    .faq-answer{
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-answer p{
      margin:14px 0 0;
    }

    .cta{
      padding-bottom:36px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(180deg, rgba(8,18,15,.12), rgba(8,18,15,.74)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.10);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg, rgba(16,35,29,.88) 0%, rgba(16,35,29,.64) 58%, rgba(16,35,29,.80) 100%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);
      gap:24px;
      align-items:center;
      padding:28px;
    }
    .cta-inner h2{
      margin:0 0 10px;
      font-size:clamp(26px, 3.3vw, 38px);
      line-height:1.15;
    }
    .cta-inner p{
      margin:0;
      color:rgba(255,255,255,.82);
      max-width:640px;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      align-items:center;
    }
    .cta-actions .btn{
      min-width:128px;
    }
    .cta-note{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .cta-note .chip{
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.14);
    }

    .footer{
      padding:30px 0 18px;
      background:linear-gradient(180deg, #0b1512 0%, #08100d 100%);
      color:rgba(255,255,255,.78);
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) repeat(2, minmax(160px, .85fr));
      gap:24px;
      padding:8px 0 24px;
    }
    .footer .brand-text strong{
      color:#fff;
    }
    .footer .brand-text span{
      color:rgba(255,255,255,.65);
    }
    .footer-brand p{
      margin:16px 0 0;
      color:rgba(255,255,255,.68);
      max-width:420px;
    }
    .footer-col h4{
      margin:6px 0 14px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      width:max-content;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      font-size:13px;
      color:rgba(255,255,255,.6);
    }

    .section-title-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }

    @media (max-width: 1180px){
      .banner-grid,
      .featured-grid,
      .content-grid,
      .cta-inner,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
      }
      .nav-shell{
        flex-wrap:wrap;
      }
      .nav-links{
        margin-left:0;
        width:100%;
        order:3;
      }
      .header-actions{
        margin-left:auto;
      }
      .quick-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .card-sm{
        grid-column:span 6;
      }
    }
    @media (max-width: 820px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .topbar-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .banner-grid{
        padding:22px;
      }
      .hero-visual{
        padding:12px;
      }
      .quick-grid{
        grid-template-columns:1fr 1fr;
      }
      .section-head,
      .section-title-row{
        flex-direction:column;
        align-items:flex-start;
      }
      .cards-main{
        grid-template-columns:repeat(6, minmax(0,1fr));
      }
      .card-lg,
      .card-sm{
        grid-column:span 6;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media (max-width: 560px){
      .nav-shell{
        min-height:auto;
        padding:12px 0 14px;
      }
      .brand{
        width:100%;
      }
      .header-actions{
        width:100%;
      }
      .header-actions .btn{
        flex:1 1 0;
      }
      .nav-links{
        gap:6px;
      }
      .nav-links a{
        height:38px;
        padding:0 12px;
        font-size:14px;
      }
      .banner-copy h1{
        font-size:clamp(28px, 10vw, 38px);
      }
      .banner-copy p{
        font-size:15px;
      }
      .quick-grid{
        grid-template-columns:1fr;
      }
      .hero-actions,
      .cta-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .hero-actions .btn,
      .cta-actions .btn{
        width:100%;
      }
      .cards-main{
        grid-template-columns:1fr;
      }
      .card-lg,
      .card-sm{
        grid-column:1 / -1;
      }
      .faq-item summary{
        padding:18px 16px;
      }
      .faq-answer{
        padding:0 16px 18px;
      }
      .feature-content,
      .info-card,
      .sidebar-box,
      .article-card .card-body,
      .cta-inner,
      .banner-grid{
        padding:16px;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }