:root{
      --bg:#f4f0e9;
      --bg2:#ffffff;
      --card:#ffffffcc;
      --ink:#1f2328;
      --muted:#5b616a;
      --line:#e6dfd2;
      --accent:#2f6f6a;
      --accent2:#b07a4b;
      --shadow: 0 14px 30px rgba(31,35,40,.08);
      --shadow2: 0 10px 24px rgba(31,35,40,.10);
      --radius:18px;
      --radius2:14px;
      --focus: 0 0 0 4px rgba(47,111,106,.18);
      --container: 1100px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(176,122,75,.15), transparent 60%),
        radial-gradient(1000px 500px at 90% 10%, rgba(47,111,106,.12), transparent 55%),
        linear-gradient(180deg, #f6f2ec 0%, #fbfaf7 30%, #f4f0e9 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:18px; top:14px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px;
      box-shadow:var(--shadow2); z-index:1000;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(244,240,233,.72);
      border-bottom: 1px solid rgba(230,223,210,.65);
    }
    .navbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 160px;
    }
    .logo{
      width:40px; height:40px;
      border-radius:13px;
      background: linear-gradient(135deg, rgba(47,111,106,.18), rgba(176,122,75,.18));
      border:1px solid rgba(47,111,106,.28);
      box-shadow: 0 10px 24px rgba(47,111,106,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; letter-spacing:.02em;
      color:#1c3a37;
      position:relative;
    }
    .logo::after{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:13px;
      background: radial-gradient(18px 18px at 30% 20%, rgba(255,255,255,.9), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .brand span{
      font-weight:800;
      letter-spacing:.02em;
    }

    .navlinks{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:14px;
      flex-wrap:wrap;
    }
    .navlinks a{
      text-decoration:none;
      font-size:14px;
      color:var(--muted);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .navlinks a:hover{
      background: rgba(255,255,255,.65);
      border-color: rgba(230,223,210,.95);
      color:#2a2f36;
      transform: translateY(-1px);
    }

    .navactions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:6px;
      flex-wrap:nowrap;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.72);
      color:#242933;
      padding:10px 12px;
      border-radius:14px;
      font-weight:700;
      font-size:14px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      display:inline-flex;
      align-items:center;
      gap:10px;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(31,35,40,.10);
      background: rgba(255,255,255,.92);
      border-color: rgba(219,208,188,.95);
    }
    .btn.primary{
      border-color: rgba(47,111,106,.35);
      background: linear-gradient(180deg, rgba(47,111,106,.14), rgba(47,111,106,.06));
      color:#17403d;
    }
    .btn .dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #6ad0c6, var(--accent));
      box-shadow: 0 0 0 4px rgba(47,111,106,.12);
    }

    .mobileToggle{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
    }
    .mobileToggle:hover{transform: translateY(-1px); background: rgba(255,255,255,.92)}
    .burger{
      width:18px; height:12px; position:relative; margin:0 auto;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; background:#2a2f36; border-radius:99px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}

    main{padding:18px 0 26px}
    .hero{
      padding:20px 0 14px;
    }
    .heroGrid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:16px;
      align-items:stretch;
    }
    .heroCard{
      border-radius: var(--radius);
      border: 1px solid rgba(230,223,210,.95);
      background:
        radial-gradient(900px 240px at 10% 0%, rgba(47,111,106,.18), transparent 55%),
        radial-gradient(700px 260px at 85% 25%, rgba(176,122,75,.16), transparent 56%),
        rgba(255,255,255,.62);
      box-shadow: var(--shadow);
      padding:22px 20px;
      position:relative;
      overflow:hidden;
    }
    .heroCard::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(18px 18px at 18% 32%, rgba(255,255,255,.95), transparent 60%),
        radial-gradient(22px 22px at 78% 18%, rgba(255,255,255,.85), transparent 60%);
      opacity:.55;
      pointer-events:none;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      font-weight:800;
      font-size:13px;
      color:#1d3a37;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(47,111,106,.22);
      padding:8px 10px;
      border-radius:999px;
      position:relative;
      z-index:1;
    }
    .kicker svg{opacity:.9}
    h1{
      margin:12px 0 8px;
      font-size: 30px;
      line-height: 1.2;
      letter-spacing:-.02em;
      position:relative;
      z-index:1;
    }
    .heroLead{
      margin:0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
      position:relative;
      z-index:1;
      max-width: 62ch;
    }
    .heroActions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .linkBtn{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.75);
      font-weight:800;
      font-size:14px;
      color:#242933;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .linkBtn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(31,35,40,.10);
      background: rgba(255,255,255,.96);
    }
    .linkBtn:focus{outline:none; box-shadow:var(--focus)}
    .linkBtn svg{opacity:.85}

    .heroSide{
      border-radius: var(--radius);
      border: 1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.58);
      box-shadow: 0 10px 22px rgba(31,35,40,.06);
      padding:18px 16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      overflow:hidden;
      position:relative;
    }
    .heroSide::after{
      content:"";
      position:absolute;
      width:240px; height:240px;
      right:-120px; top:-120px;
      background: radial-gradient(circle at 30% 30%, rgba(47,111,106,.22), transparent 60%);
      pointer-events:none;
    }
    .sideTitle{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative; z-index:1;
    }
    .sideTitle h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.01em;
    }
    .pill{
      font-size:12px;
      color:#17403d;
      background: rgba(47,111,106,.10);
      border:1px solid rgba(47,111,106,.22);
      padding:7px 10px;
      border-radius:999px;
      font-weight:800;
      white-space:nowrap;
    }

    .miniList{
      position:relative; z-index:1;
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .miniItem{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.8);
      background: rgba(255,255,255,.66);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .miniItem:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.92);
      box-shadow: 0 12px 26px rgba(31,35,40,.08);
    }
    .badge{
      width:26px; height:26px; border-radius:10px;
      background: linear-gradient(180deg, rgba(176,122,75,.20), rgba(176,122,75,.07));
      border:1px solid rgba(176,122,75,.28);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
      color:#4a2a14;
      font-weight:900;
      font-size:13px;
    }
    .miniItem b{
      display:block;
      font-size:13px;
      margin-top:2px;
    }
    .miniItem span{
      display:block;
      margin-top:4px;
      color: var(--muted);
      font-size:12.5px;
      line-height:1.55;
    }

    .section{
      padding:10px 0 0;
    }
    .contentGrid{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:16px;
      align-items:start;
    }
    .box{
      border-radius: var(--radius);
      border: 1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.60);
      box-shadow: 0 10px 22px rgba(31,35,40,.06);
      overflow:hidden;
    }
    .boxInner{padding:18px 16px}
    .tocTitle{
      display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px;
    }
    .tocTitle h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.01em;
    }
    .tocTitle .hint{
      font-size:12px;
      color:var(--muted);
      border:1px solid rgba(230,223,210,.95);
      padding:7px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.55);
      white-space:nowrap;
    }
    .toc{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc a{
      display:flex;
      align-items:flex-start;
      gap:12px;
      text-decoration:none;
      padding:11px 12px;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.85);
      background: rgba(255,255,255,.64);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .toc a:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.92);
      border-color: rgba(219,208,188,.95);
    }
    .toc .num{
      width:26px; height:26px;
      border-radius:10px;
      background: rgba(47,111,106,.10);
      border:1px solid rgba(47,111,106,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#17403d;
      flex:0 0 auto;
    }
    .toc .txt b{
      display:block;
      font-size:13px;
    }
    .toc .txt span{
      display:block;
      margin-top:4px;
      font-size:12.5px;
      color:var(--muted);
      line-height:1.5;
    }

    article{
      padding:0;
    }
    .prose{
      padding:18px 16px;
      position:relative;
    }
    .prose .leadSmall{
      margin:0 0 14px;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .anchor{
      scroll-margin-top: 92px;
      padding-top: 6px;
    }
    h2{
      margin:18px 0 10px;
      font-size:18px;
      letter-spacing:-.01em;
    }
    .stepGrid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .card{
      border-radius: var(--radius2);
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.66);
      padding:14px 13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .card:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.92);
      box-shadow: 0 12px 26px rgba(31,35,40,.08);
    }
    .card .top{
      display:flex; align-items:flex-start; gap:12px;
    }
    .card .ico{
      width:34px; height:34px;
      border-radius:14px;
      background: linear-gradient(180deg, rgba(47,111,106,.16), rgba(47,111,106,.06));
      border:1px solid rgba(47,111,106,.24);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#17403d;
    }
    .card b{
      font-size:14px;
      display:block;
      margin-top:2px;
    }
    .card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .caseWrap{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.62);
      padding:14px 13px;
    }
    .caseHead{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .caseHead b{
      font-size:15px;
    }
    .chipRow{
      display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end;
    }
    .chip{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.65);
      color: var(--muted);
      white-space:nowrap;
      font-weight:700;
    }
    .caseBody{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .caseBlock h3{
      margin:0 0 8px;
      font-size:14px;
      letter-spacing:-.01em;
    }
    .caseBlock ul{
      margin:0;
      padding-left:18px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    details.faq{
      border-top: 1px solid rgba(230,223,210,.95);
      padding:10px 0;
    }
    details.faq:first-of-type{border-top:none}
    details.faq summary{
      list-style:none;
      cursor:pointer;
      font-weight:900;
      font-size:14px;
      padding:8px 0;
      color:#242933;
      outline:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .caret{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.62);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease, background .18s ease;
    }
    details[open].faq .caret{
      transform: rotate(180deg);
      background: rgba(255,255,255,.92);
    }
    details.faq .ans{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.85;
      padding:0 0 6px;
    }

    .summaryBar{
      display:flex; gap:12px; flex-wrap:wrap;
      padding:14px 13px;
      border-radius: var(--radius2);
      border:1px solid rgba(230,223,210,.95);
      background:
        linear-gradient(90deg, rgba(47,111,106,.10), rgba(176,122,75,.08));
      margin-top:14px;
      align-items:flex-start;
      justify-content:space-between;
    }
    .summaryBar b{
      font-size:15px;
      display:block;
      margin-bottom:6px;
    }
    .summaryBar span{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
      display:block;
      max-width: 60ch;
    }

    .innerLinks{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .innerLinks a{
      text-decoration:none;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.62);
      padding:12px 12px;
      transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
      display:flex; align-items:flex-start; gap:12px;
    }
    .innerLinks a:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.94);
      box-shadow: 0 12px 26px rgba(31,35,40,.08);
    }
    .innerLinks .tag{
      width:30px; height:30px; border-radius:12px;
      background: rgba(176,122,75,.10);
      border:1px solid rgba(176,122,75,.24);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#4a2a14;
      flex:0 0 auto;
      margin-top:1px;
    }
    .innerLinks b{
      display:block;
      font-size:13.5px;
      margin-top:1px;
    }
    .innerLinks span{
      display:block;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.55;
      margin-top:4px;
    }

    footer{
      margin-top: 6px;
      background: rgba(255,255,255,.55);
      border-top: 1px solid rgba(230,223,210,.95);
      padding:18px 0;
    }
    .footerGrid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .footCard{
      border-radius: var(--radius);
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.62);
      padding:14px 14px;
    }
    .footCard h2{
      margin:0 0 10px;
      font-size:16px;
    }
    .footCard p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      font-size:13.5px;
    }
    .footLinks{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .footLinks a{
      text-decoration:none;
      border:1px solid rgba(230,223,210,.95);
      background: rgba(255,255,255,.66);
      border-radius:999px;
      padding:9px 12px;
      font-weight:800;
      font-size:13px;
      color:#2a2f36;
      transition: transform .18s ease, background .18s ease;
    }
    .footLinks a:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.94);
    }
    .copyright{
      margin-top:14px;
      color:var(--muted);
      font-size:12.5px;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }

    .animateIn{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .animateIn.isIn{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 920px){
      .heroGrid{grid-template-columns: 1fr; }
      .contentGrid{grid-template-columns: 1fr;}
      .stepGrid{grid-template-columns: 1fr;}
      .caseBody{grid-template-columns: 1fr;}
      .innerLinks{grid-template-columns: 1fr;}
      .footerGrid{grid-template-columns: 1fr;}
      h1{font-size:26px}
    }
    @media (max-width: 760px){
      .navlinks{display:none}
      .mobileToggle{display:block}
      .navactions .btn.primary{display:none}
      .navactions .btn{padding:10px 12px}
    }
    .mobileMenu{
      display:none;
      padding:10px 0 14px;
      border-top: 1px solid rgba(230,223,210,.65);
    }
    .mobileMenu.open{display:block}
    .mobileMenu a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(230,223,210,.85);
      background: rgba(255,255,255,.62);
      color:#2a2f36;
      margin-top:10px;
      font-weight:900;
      font-size:14px;
    }
    .mobileMenu a span{
      color:var(--muted);
      font-weight:800;
      font-size:12.5px;
      margin-left:10px;
    }