/* roulang page: index */
:root{
      --bg: #f4f0e7;
      --bg-soft: #ebe4d6;
      --surface: #ffffff;
      --surface-2: #f8f5ef;
      --text: #18211d;
      --muted: #617069;
      --line: #d8d0c3;
      --line-strong: #c2b8a7;
      --primary: #17352b;
      --primary-2: #224d40;
      --accent: #c58b47;
      --accent-2: #e2b97b;
      --shadow: 0 14px 40px rgba(23, 53, 43, .10);
      --shadow-soft: 0 8px 24px rgba(23, 53, 43, .07);
      --radius: 18px;
      --radius-sm: 14px;
      --radius-lg: 28px;
      --container: 1180px;
      --gap: 22px;
      --ease: cubic-bezier(.2,.8,.2,1);
    }
    *{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", "Source Han Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(197,139,71,.08), transparent 28%),
        radial-gradient(circle at top right, rgba(23,53,43,.06), transparent 22%),
        linear-gradient(180deg, #f7f3eb 0%, #f2ede3 38%, #f5f1e8 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:all .25s var(--ease)}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(197,139,71,.24)}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(244,240,231,.82);
      border-bottom:1px solid rgba(216,208,195,.72);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:18px;
      min-height:78px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:baseline;
      gap:10px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      font-weight:800;
      letter-spacing:.02em;
      font-size:1.08rem;
      color:var(--primary);
      white-space:nowrap;
    }
    .brand-sub{
      color:var(--muted);
      font-size:.82rem;
      white-space:nowrap;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-link{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:600;
      letter-spacing:.01em;
      background:transparent;
      border:1px solid transparent;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--primary);
      background:rgba(255,255,255,.72);
      border-color:rgba(216,208,195,.8);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-link.active{
      color:var(--primary);
      background:rgba(23,53,43,.08);
      border-color:rgba(23,53,43,.12);
    }
    .nav-cta{
      margin-left:8px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      border:1px solid var(--primary);
      box-shadow:0 10px 26px rgba(23,53,43,.18);
      font-weight:700;
      white-space:nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus-visible{
      background:var(--primary-2);
      transform:translateY(-1px);
      outline:none;
    }
    .hero{
      position:relative;
      padding:34px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(194,184,167,.7);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(23,53,43,.96), rgba(23,53,43,.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      color:#f6f3ec;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -8% -18% auto;
      width:360px;
      height:360px;
      background:radial-gradient(circle, rgba(226,185,123,.20), rgba(226,185,123,0) 68%);
      pointer-events:none;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:24px;
      align-items:center;
      padding:34px;
      min-height:520px;
      position:relative;
      z-index:1;
    }
    .hero-copy{
      padding:8px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      color:#f8f2e7;
      border:1px solid rgba(255,255,255,.14);
      font-size:.88rem;
      letter-spacing:.03em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(226,185,123,.16);
    }
    h1{
      margin:18px 0 12px;
      font-size:clamp(2.2rem, 4vw, 4.2rem);
      line-height:1.05;
      letter-spacing:-.03em;
    }
    .hero-title-sub{
      display:block;
      margin-top:8px;
      color:#f2dcc0;
      font-size:clamp(1.05rem, 1.5vw, 1.3rem);
      font-weight:600;
      letter-spacing:.02em;
    }
    .hero-desc{
      max-width:34rem;
      margin:0;
      font-size:1.04rem;
      color:rgba(246,243,236,.84);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      cursor:pointer;
      transition:transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn-primary{
      background:var(--accent);
      color:#fff;
      box-shadow:0 12px 24px rgba(197,139,71,.24);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      background:#b67933;
    }
    .btn-secondary{
      background:transparent;
      color:#fff;
      border-color:rgba(255,255,255,.28);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.42);
    }
    .hero-meta{
      margin-top:22px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
      max-width:36rem;
    }
    .meta-chip{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      padding:12px 14px;
      min-height:74px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:2px;
    }
    .meta-chip strong{
      font-size:1rem;
      color:#fff;
    }
    .meta-chip span{
      color:rgba(246,243,236,.78);
      font-size:.88rem;
    }
    .hero-visual{
      display:flex;
      align-items:stretch;
      justify-content:flex-end;
      min-height:100%;
    }
    .visual-card{
      position:relative;
      width:100%;
      max-width:440px;
      margin-left:auto;
      border-radius:24px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 18px 50px rgba(0,0,0,.24);
      min-height:430px;
    }
    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:430px;
      filter:saturate(1.02) contrast(1.04);
    }
    .visual-overlay{
      position:absolute;
      inset:auto 0 0 0;
      padding:18px;
      background:linear-gradient(180deg, rgba(9,18,14,0), rgba(9,18,14,.88));
      display:grid;
      gap:10px;
    }
    .visual-tagrow{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      color:#fff;
      border:1px solid rgba(255,255,255,.16);
      font-size:.82rem;
      line-height:1;
    }
    .visual-overlay h2{
      margin:0;
      font-size:1.18rem;
      letter-spacing:.01em;
    }
    .visual-overlay p{
      margin:0;
      color:rgba(246,243,236,.82);
      font-size:.95rem;
    }
    .section{
      padding:18px 0 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.48rem, 2vw, 2.15rem);
      line-height:1.2;
      letter-spacing:-.02em;
      color:var(--primary);
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:42rem;
      font-size:.98rem;
    }
    .pill-row{
      display:grid;
      grid-template-columns: repeat(5, minmax(0,1fr));
      gap:12px;
    }
    .pill{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(216,208,195,.82);
      border-radius:18px;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
      min-height:76px;
    }
    .pill:hover{
      transform:translateY(-2px);
      border-color:rgba(197,139,71,.42);
      box-shadow:0 14px 30px rgba(23,53,43,.10);
    }
    .pill-mark{
      width:38px;height:38px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(23,53,43,.08);
      color:var(--primary);
      font-weight:800;
      flex:0 0 auto;
    }
    .pill b{
      display:block;
      font-size:.98rem;
      color:var(--text);
      line-height:1.25;
    }
    .pill span{
      color:var(--muted);
      font-size:.86rem;
    }
    .feature-grid{
      display:grid;
      grid-template-columns: 1.3fr .7fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .feature-main,
    .feature-side{
      display:grid;
      gap:var(--gap);
    }
    .card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(216,208,195,.85);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(197,139,71,.40);
      box-shadow:0 18px 38px rgba(23,53,43,.12);
    }
    .card-media{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:var(--bg-soft);
    }
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .card:hover .card-media img{
      transform:scale(1.03);
    }
    .card-body{
      padding:20px;
      display:grid;
      gap:10px;
    }
    .card-kicker{
      display:inline-flex;
      align-items:center;
      width:fit-content;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(23,53,43,.08);
      color:var(--primary);
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .card h3{
      margin:0;
      font-size:1.24rem;
      line-height:1.28;
      letter-spacing:-.01em;
      color:var(--text);
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
    }
    .card-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:4px;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary);
      font-weight:700;
      font-size:.94rem;
    }
    .mini-link::after{
      content:"→";
      transition:transform .22s var(--ease);
    }
    .mini-link:hover::after{
      transform:translateX(2px);
    }
    .stack-card{
      padding:20px;
      background:linear-gradient(180deg, rgba(23,53,43,.96), rgba(23,53,43,.91));
      color:#f6f1e6;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      min-height:100%;
      display:grid;
      gap:14px;
    }
    .stack-card h3{
      margin:0;
      font-size:1.3rem;
      line-height:1.25;
    }
    .stack-card p{
      margin:0;
      color:rgba(246,243,236,.82);
      font-size:.96rem;
    }
    .stack-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .stack-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#f5efe3;
    }
    .stack-list li::before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      margin-top:.55rem;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(226,185,123,.10);
      flex:0 0 auto;
    }
    .split-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .info-panel{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(216,208,195,.82);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .info-panel h3{
      margin:0 0 10px;
      font-size:1.22rem;
      color:var(--primary);
    }
    .info-panel p{
      margin:0;
      color:var(--muted);
    }
    .data-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:18px;
    }
    .data-item{
      padding:16px;
      border-radius:18px;
      background:var(--surface-2);
      border:1px solid var(--line);
    }
    .data-item strong{
      display:block;
      color:var(--primary);
      font-size:1.08rem;
      margin-bottom:6px;
    }
    .data-item span{
      color:var(--muted);
      font-size:.93rem;
    }
    .check-list{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .check-list li{
      position:relative;
      padding-left:28px;
      color:var(--text);
    }
    .check-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.55em;
      width:14px;
      height:14px;
      border-radius:5px;
      background:rgba(197,139,71,.15);
      border:1px solid rgba(197,139,71,.35);
      box-shadow:inset 0 0 0 3px rgba(23,53,43,.08);
    }
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:var(--gap);
    }
    .small-card .card-body{
      padding:18px;
    }
    .small-card h3{
      font-size:1.08rem;
    }
    .badge-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:.8rem;
      color:var(--primary);
      background:rgba(23,53,43,.07);
      border:1px solid rgba(23,53,43,.10);
    }
    .faq-wrap{
      display:grid;
      gap:12px;
    }
    .faq-item{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(216,208,195,.86);
      border-radius:18px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text);
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary span{
      flex:0 0 auto;
      color:var(--muted);
      font-size:.92rem;
      font-weight:600;
    }
    .faq-item[open] summary{
      color:var(--primary);
      border-bottom:1px solid rgba(216,208,195,.72);
    }
    .faq-content{
      padding:0 20px 18px;
      color:var(--muted);
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(23,53,43,.97), rgba(23,53,43,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      color:#f7f2e8;
    }
    .cta-inner{
      padding:28px;
      display:grid;
      grid-template-columns: 1fr auto;
      gap:22px;
      align-items:center;
    }
    .cta-inner h2{
      margin:0 0 8px;
      font-size:clamp(1.5rem, 2.2vw, 2.1rem);
      line-height:1.2;
    }
    .cta-inner p{
      margin:0;
      color:rgba(247,242,232,.84);
      max-width:46rem;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .btn-light{
      background:#fff;
      color:var(--primary);
      border-color:#fff;
    }
    .btn-light:hover,
    .btn-light:focus-visible{
      background:#f6f0e6;
      border-color:#f6f0e6;
    }
    .site-footer{
      padding:24px 0 30px;
    }
    .footer-shell{
      background:rgba(255,255,255,.76);
      border:1px solid rgba(216,208,195,.84);
      border-radius:22px;
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .footer-brand{
      display:grid;
      gap:12px;
    }
    .footer-brand strong{
      font-size:1.08rem;
      color:var(--primary);
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(216,208,195,.9);
      background:rgba(255,255,255,.75);
      color:var(--text);
      font-size:.92rem;
      font-weight:600;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      border-color:rgba(197,139,71,.42);
      color:var(--primary);
      transform:translateY(-1px);
      outline:none;
    }
    .footer-meta{
      margin-top:16px;
      padding-top:16px;
      border-top:1px solid rgba(216,208,195,.88);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.9rem;
    }
    .anchor{
      scroll-margin-top:96px;
    }
    @media (max-width: 1024px){
      .hero-inner{grid-template-columns:1fr; min-height:auto}
      .hero-visual{justify-content:flex-start}
      .visual-card{max-width:none}
      .pill-row{grid-template-columns:repeat(3, minmax(0,1fr))}
      .feature-grid,.split-grid,.footer-grid,.cta-inner{grid-template-columns:1fr}
      .cards-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .cta-actions,.footer-links{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .header-inner{
        flex-wrap:wrap;
        gap:12px;
      }
      .site-nav{
        width:100%;
        justify-content:flex-start;
        margin-left:0;
      }
      .nav-cta{
        margin-left:0;
      }
      .hero{padding-top:22px}
      .hero-inner{padding:22px}
      .hero-meta{grid-template-columns:1fr}
      .pill-row{grid-template-columns:1fr 1fr}
      .cards-grid{grid-template-columns:1fr}
      .data-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .cta-inner{padding:22px}
    }
    @media (max-width: 520px){
      .container{width:min(calc(100% - 20px), var(--container))}
      .brand{flex-direction:column; align-items:flex-start; gap:2px}
      .brand-sub{white-space:normal}
      .hero-inner{padding:18px}
      h1{font-size:2rem}
      .hero-desc{font-size:.98rem}
      .pill-row{grid-template-columns:1fr}
      .btn,.nav-link,.nav-cta{width:100%; justify-content:center}
      .site-nav{gap:8px}
      .hero-actions{display:grid; grid-template-columns:1fr; width:100%}
      .hero-actions .btn{width:100%}
      .card-body,.info-panel,.faq-item summary,.faq-content{padding-left:16px;padding-right:16px}
      .footer-shell{padding:18px}
      .footer-meta{flex-direction:column}
    }
    :focus-visible{
      outline:2px solid rgba(197,139,71,.7);
      outline-offset:3px;
    }

/* roulang page: category1 */
:root{
  --bg:#f4f1ea;
  --bg-soft:#fbf8f2;
  --surface:#ffffff;
  --surface-2:#f7f3eb;
  --line:#ded7c8;
  --line-strong:#cdbfa8;
  --text:#1f2622;
  --muted:#66716b;
  --muted-2:#8d948f;
  --brand:#17352d;
  --brand-2:#254d41;
  --accent:#b78b49;
  --accent-2:#d8b06c;
  --warning:#8e5d1e;
  --shadow:0 18px 40px rgba(24,37,31,.08);
  --shadow-soft:0 10px 24px rgba(24,37,31,.06);
  --radius:18px;
  --radius-sm:14px;
  --radius-lg:24px;
  --container:1180px;
  --gap:24px;
  --gap-sm:16px;
  --gap-xs:10px;
  --transition:.25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(183,139,73,.08), transparent 34%),
    radial-gradient(circle at top right, rgba(23,53,45,.08), transparent 28%),
    linear-gradient(180deg, #f8f5ef 0%, var(--bg) 36%, #f7f4ee 100%);
  line-height:1.75;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
details summary::-webkit-details-marker{display:none}
.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(244,241,234,.82);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(205,191,168,.45);
}
.header-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:210px;
}
.brand-mark{
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--brand);
}
.brand-sub{
  font-size:.88rem;
  color:var(--muted);
}
.site-nav{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.nav-link,.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:10px 16px;
  border-radius:999px;
  border:1px solid transparent;
  transition:transform var(--transition),background var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition);
  white-space:nowrap;
}
.nav-link{
  color:var(--text);
  background:transparent;
}
.nav-link:hover,
.nav-link:focus-visible{
  color:var(--brand);
  background:rgba(23,53,45,.06);
  border-color:rgba(23,53,45,.12);
}
.nav-link.active{
  color:var(--brand);
  background:rgba(23,53,45,.1);
  border-color:rgba(23,53,45,.18);
  box-shadow:inset 0 0 0 1px rgba(23,53,45,.04);
}
.nav-cta{
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 22px rgba(23,53,45,.16);
}
.nav-cta:hover,
.nav-cta:focus-visible{
  transform:translateY(-1px);
  background:var(--brand-2);
  color:#fff;
  box-shadow:0 14px 26px rgba(23,53,45,.18);
}
.nav-link:focus-visible,.nav-cta:focus-visible,
.btn:focus-visible,.pill:focus-visible,
.card-link:focus-visible,summary:focus-visible{
  outline:3px solid rgba(183,139,73,.28);
  outline-offset:2px;
}
main{overflow:hidden}
.hero{
  position:relative;
  padding:36px 0 24px;
}
.hero-shell{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:28px;
  align-items:stretch;
}
.hero-copy{
  padding:10px 0 8px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(23,53,45,.08);
  color:var(--brand);
  border:1px solid rgba(23,53,45,.12);
  font-size:.92rem;
  font-weight:600;
}
.hero h1{
  margin:18px 0 14px;
  font-size:clamp(2.15rem, 4vw, 4rem);
  line-height:1.15;
  letter-spacing:-.03em;
  color:var(--brand);
}
.hero h1 span{
  display:block;
  color:var(--text);
  font-size:.55em;
  font-weight:700;
  letter-spacing:.02em;
  margin-top:8px;
}
.hero p{
  margin:0;
  max-width:42rem;
  font-size:1.04rem;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:26px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:700;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 14px 28px rgba(23,53,45,.14);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  transform:translateY(-1px);
  background:var(--brand-2);
  color:#fff;
}
.btn-secondary{
  background:rgba(255,255,255,.66);
  color:var(--brand);
  border-color:rgba(23,53,45,.18);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  transform:translateY(-1px);
  background:#fff;
  border-color:rgba(23,53,45,.26);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.meta-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.6);
  color:var(--muted);
  font-size:.92rem;
}
.hero-visual{
  position:relative;
  min-height:520px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:
    linear-gradient(180deg, rgba(18,29,25,.06), rgba(18,29,25,.48)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.56);
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(8,12,11,.02), rgba(8,12,11,.26));
}
.visual-card{
  position:absolute;
  inset:auto 20px 20px 20px;
  z-index:1;
  padding:18px;
  border-radius:22px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 16px 30px rgba(0,0,0,.12);
}
.visual-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:12px;
}
.visual-card h2{
  margin:0;
  font-size:1.12rem;
  color:var(--brand);
}
.visual-card p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
}
.visual-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(183,139,73,.14);
  color:var(--warning);
  font-size:.82rem;
  font-weight:700;
  border:1px solid rgba(183,139,73,.18);
}
.hero-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:18px;
  margin-top:14px;
}
.quick-strip{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:14px;
}
.pill{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:68px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  color:var(--text);
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.pill:hover,
.pill:focus-visible{
  transform:translateY(-2px);
  box-shadow:0 18px 32px rgba(24,37,31,.08);
  border-color:rgba(23,53,45,.18);
}
.pill strong{
  display:block;
  font-size:.98rem;
}
.pill span{
  display:block;
  color:var(--muted);
  font-size:.88rem;
}
.pill i{
  font-style:normal;
  color:var(--accent);
  font-weight:800;
}
.section{
  padding:28px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.section-title{
  margin:0;
  font-size:1.55rem;
  line-height:1.2;
  color:var(--brand);
}
.section-desc{
  margin:0;
  color:var(--muted);
  max-width:48rem;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(23,53,45,.08);
  color:var(--brand);
  border:1px solid rgba(23,53,45,.12);
  font-size:.9rem;
  white-space:nowrap;
}
.split-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:24px;
}
.panel,
.card,
.notice,
.faq-item,
.footer-shell{
  border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  box-shadow:var(--shadow-soft);
}
.panel{
  border-radius:var(--radius-lg);
  padding:22px;
}
.panel h3,
.card h3,
.notice h3{
  margin:0 0 10px;
  color:var(--brand);
}
.panel p,
.card p,
.notice p{
  margin:0;
  color:var(--muted);
}
.mini-list{
  list-style:none;
  padding:0;
  margin:18px 0 0;
  display:grid;
  gap:12px;
}
.mini-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--text);
}
.mini-list li::before{
  content:"";
  flex:0 0 10px;
  width:10px;
  height:10px;
  margin-top:.48em;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 0 0 4px rgba(183,139,73,.12);
}
.info-rail{
  display:grid;
  gap:14px;
}
.info-box{
  border-radius:22px;
  overflow:hidden;
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(247,243,235,.96));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.info-box img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.info-box-body{
  padding:18px;
}
.info-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:16px;
}
.stat{
  padding:14px 12px;
  border-radius:16px;
  background:rgba(23,53,45,.05);
  border:1px solid rgba(23,53,45,.09);
}
.stat strong{
  display:block;
  font-size:1.02rem;
  color:var(--brand);
}
.stat span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:.88rem;
}
.section-tools{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
}
.tool{
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.9rem;
}
.feature-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
}
.feature-card{
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  box-shadow:var(--shadow);
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.feature-card:hover{
  transform:translateY(-3px);
  box-shadow:0 22px 40px rgba(24,37,31,.12);
  border-color:rgba(23,53,45,.18);
}
.feature-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.feature-body{
  padding:18px;
}
.feature-body h3{
  margin:0 0 10px;
  font-size:1.15rem;
  color:var(--brand);
}
.feature-body p{
  margin:0 0 14px;
  color:var(--muted);
}
.feature-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:700;
}
.link-arrow::after{
  content:"→";
  transition:transform var(--transition);
}
.feature-card:hover .link-arrow::after,
.card:hover .link-arrow::after{
  transform:translateX(2px);
}
.side-stack{
  display:grid;
  gap:16px;
}
.card{
  border-radius:22px;
  overflow:hidden;
}
.card-media{
  position:relative;
}
.card-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.card-body{
  padding:18px;
}
.card h3{
  font-size:1.04rem;
}
.card p{
  font-size:.96rem;
}
.card-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(23,53,45,.12);
  background:rgba(23,53,45,.05);
  color:var(--brand);
  font-size:.82rem;
}
.service-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.service-card{
  min-height:100%;
  display:flex;
  flex-direction:column;
}
.service-card .card-body{
  display:flex;
  flex:1;
  flex-direction:column;
}
.service-card .feature-foot{
  margin-top:auto;
}
.process-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
}
.step-list{
  display:grid;
  gap:14px;
}
.step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.step-num{
  width:40px;
  height:40px;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(23,53,45,.12), rgba(183,139,73,.16));
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  border:1px solid rgba(23,53,45,.08);
}
.step h4{
  margin:0 0 6px;
  font-size:1rem;
  color:var(--brand);
}
.step p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
}
.notice{
  border-radius:24px;
  padding:22px;
}
.notice-grid{
  display:grid;
  gap:14px;
  margin-top:16px;
}
.notice-item{
  padding:14px 16px;
  border-radius:18px;
  background:rgba(247,243,235,.92);
  border:1px solid rgba(205,191,168,.72);
}
.notice-item strong{
  display:block;
  color:var(--brand);
  margin-bottom:4px;
}
.notice-item span{
  color:var(--muted);
  font-size:.94rem;
}
.faq-grid{
  display:grid;
  gap:12px;
}
.faq-item{
  border-radius:18px;
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  color:var(--brand);
  font-weight:700;
}
.faq-item summary::after{
  content:"+";
  color:var(--accent);
  font-size:1.2rem;
  font-weight:800;
  line-height:1;
  transition:transform var(--transition);
}
.faq-item[open] summary{
  border-bottom:1px solid var(--line);
}
.faq-item[open] summary::after{
  content:"—";
}
.faq-content{
  padding:16px 20px 18px;
  color:var(--muted);
}
.cta{
  padding:30px 0 14px;
}
.cta-box{
  border-radius:28px;
  overflow:hidden;
  background:
    linear-gradient(135deg, rgba(23,53,45,.96), rgba(35,70,58,.94)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;
  box-shadow:0 24px 42px rgba(16,27,23,.18);
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:18px;
  padding:30px;
  align-items:center;
}
.cta h2{
  margin:0 0 10px;
  font-size:1.8rem;
  line-height:1.2;
}
.cta p{
  margin:0;
  max-width:56rem;
  color:rgba(255,255,255,.82);
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.cta .btn-primary{
  background:#fff;
  color:var(--brand);
  box-shadow:none;
}
.cta .btn-primary:hover,
.cta .btn-primary:focus-visible{
  background:#f7f2e7;
  color:var(--brand);
}
.cta .btn-secondary{
  color:#fff;
  border-color:rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
}
.cta .btn-secondary:hover,
.cta .btn-secondary:focus-visible{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.34);
  color:#fff;
}
.site-footer{
  margin-top:14px;
  padding:24px 0 18px;
  background:linear-gradient(180deg, rgba(247,243,235,.7), rgba(240,236,228,.98));
  border-top:1px solid rgba(205,191,168,.5);
}
.footer-shell{
  border-radius:28px;
  padding:24px;
  background:rgba(255,255,255,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:20px;
  align-items:start;
}
.footer-brand strong{
  display:block;
  color:var(--brand);
  font-size:1.03rem;
  margin-bottom:8px;
}
.footer-brand p{
  margin:0;
  color:var(--muted);
}
.footer-links{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.86);
  color:var(--text);
  transition:transform var(--transition),border-color var(--transition),color var(--transition),background var(--transition);
}
.footer-links a:hover,
.footer-links a:focus-visible{
  transform:translateY(-1px);
  border-color:rgba(23,53,45,.18);
  background:#fff;
  color:var(--brand);
}
.footer-meta{
  display:flex;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:.92rem;
}
.page-intro{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.page-intro .crumb{
  color:var(--muted);
  font-size:.95rem;
}
.page-intro .crumb a{
  color:var(--brand);
}
@media (max-width: 1024px){
  .hero-shell,
  .split-grid,
  .feature-grid,
  .process-grid,
  .footer-grid,
  .cta-inner{
    grid-template-columns:1fr;
  }
  .service-list{
    grid-template-columns:repeat(2,1fr);
  }
  .quick-strip{
    grid-template-columns:repeat(3,1fr);
  }
  .hero-visual{
    min-height:420px;
  }
  .site-nav{
    gap:10px;
  }
  .nav-link,.nav-cta{
    padding-inline:14px;
  }
}
@media (max-width: 768px){
  .header-inner{
    padding:14px 0;
    align-items:flex-start;
    flex-direction:column;
  }
  .brand{min-width:auto}
  .site-nav{
    width:100%;
    justify-content:flex-start;
  }
  .hero{
    padding-top:24px;
  }
  .hero h1{
    font-size:clamp(1.9rem, 8vw, 3rem);
  }
  .hero-visual{
    min-height:360px;
  }
  .visual-card{
    inset:auto 14px 14px 14px;
  }
  .quick-strip,
  .service-list,
  .info-stats{
    grid-template-columns:repeat(2,1fr);
  }
  .section-head,
  .page-intro{
    align-items:flex-start;
    flex-direction:column;
  }
  .cta-inner{
    padding:24px;
  }
  .cta h2{
    font-size:1.5rem;
  }
  .cta-actions{
    justify-content:flex-start;
  }
}
@media (max-width: 520px){
  .container{
    width:min(var(--container), calc(100% - 24px));
  }
  .hero-actions,
  .cta-actions,
  .footer-links{
    width:100%;
  }
  .btn,
  .nav-cta,
  .nav-link,
  .pill,
  .footer-links a{
    width:100%;
  }
  .site-nav{
    display:grid;
    grid-template-columns:1fr;
    width:100%;
  }
  .quick-strip,
  .service-list,
  .info-stats{
    grid-template-columns:1fr;
  }
  .hero-visual{
    min-height:320px;
  }
  .visual-card h2{
    font-size:1rem;
  }
  .section{
    padding:22px 0;
  }
  .panel,
  .notice,
  .footer-shell{
    padding:18px;
  }
  .card-body,
  .feature-body{
    padding:16px;
  }
  .step{
    grid-template-columns:1fr;
  }
  .step-num{
    width:36px;
    height:36px;
  }
}