:root{
      --bg0:#f6f1e7;
      --bg1:#efe7d9;
      --paper:#f8f6f0;
      --ink:#1f2328;
      --muted:#4a525c;
      --subtle:#6a7683;
      --border:rgba(25,33,43,.14);
      --shadow:0 18px 50px rgba(19,24,31,.12);
      --shadow2:0 10px 24px rgba(19,24,31,.10);
      --accent:#8a5a2b;
      --accent2:#2b5ea3;
      --accent3:#2f6b4f;
      --ring:rgba(138,90,43,.26);
      --radius:18px;
      --radius2:14px;
      --max:1100px;
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(138,90,43,.20), transparent 58%),
        radial-gradient(900px 500px at 85% 10%, rgba(43,94,163,.14), transparent 52%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      overflow-x:hidden;
    }

    .grain{
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.10;
      background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg' );
      mix-blend-mode:multiply;
      filter:contrast(120%) saturate(90%);
    }
    .grain::before{
      content:"";
      position:absolute;
      inset:-20%;
      background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
      transform:translate3d(0,0,0) rotate(0deg);
      animation: drift 10s linear infinite;
    }
    @keyframes drift{
      0%{transform:translate3d(-2%, -2%, 0)}
      100%{transform:translate3d(2%, 2%, 0)}
    }

    .container{
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(246,241,231,.72), rgba(246,241,231,.42));
      border-bottom:1px solid rgba(25,33,43,.10);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:140px;
    }
    .logo{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.55), transparent 55%),
        linear-gradient(145deg, rgba(138,90,43,.95), rgba(106,56,19,.95));
      box-shadow: 0 12px 28px rgba(138,90,43,.22);
      border:1px solid rgba(255,255,255,.22);
      position:relative;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      letter-spacing:2px;
      text-shadow:0 1px 0 rgba(0,0,0,.2);
      transform: translateZ(0);
    }
    .logo::after{
      content:"";
      position:absolute;
      inset:0;
      border-radius:14px;
      background:
        repeating-linear-gradient(35deg, rgba(255,255,255,.10) 0 6px, transparent 6px 12px);
      opacity:.35;
      pointer-events:none;
    }
    .brandText{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brandText strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brandText span{
      font-size:12px;
      color:var(--subtle);
      margin-top:4px;
    }

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

    .menuBtn{
      display:none;
      border:1px solid rgba(25,33,43,.14);
      background:rgba(248,246,240,.75);
      color:var(--ink);
      padding:10px 12px;
      border-radius:12px;
      font-weight:700;
      box-shadow: 0 10px 22px rgba(19,24,31,.06);
      cursor:pointer;
    }

    nav ul{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      align-items:center;
      gap:18px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    nav a{
      color:var(--muted);
      text-decoration:none;
      font-weight:650;
      font-size:13.5px;
      padding:8px 10px;
      border-radius:12px;
      transition: background .18s ease, transform .18s ease, color .18s ease;
      outline:none;
    }
    nav a:hover{
      background: rgba(138,90,43,.10);
      color:var(--ink);
      transform: translateY(-1px);
    }
    nav a:focus-visible{
      box-shadow:0 0 0 4px var(--ring);
    }

    .cta{
      border:1px solid rgba(25,33,43,.16);
      background: linear-gradient(180deg, rgba(248,246,240,.9), rgba(248,246,240,.65));
      padding:10px 12px;
      border-radius:14px;
      display:flex;
      align-items:center;
      gap:10px;
      box-shadow: 0 10px 24px rgba(19,24,31,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .cta:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(19,24,31,.12);
      border-color: rgba(138,90,43,.28);
    }
    .cta:focus-visible{
      outline:none;
      box-shadow: 0 0 0 4px var(--ring), 0 14px 30px rgba(19,24,31,.12);
    }
    .ctaDot{
      width:10px;height:10px;border-radius:50%;
      background: radial-gradient(circle at 35% 35%, rgba(255,255,255,.6), transparent 55%), var(--accent);
      box-shadow:0 0 0 4px rgba(138,90,43,.14);
    }
    .cta span{
      font-weight:800;
      font-size:13.5px;
      color:var(--ink);
    }

    main{padding:22px 0 10px}
    .hero{
      border:1px solid rgba(25,33,43,.10);
      border-radius: calc(var(--radius) + 6px);
      background:
        linear-gradient(180deg, rgba(248,246,240,.82), rgba(248,246,240,.62));
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(800px 240px at 20% 0%, rgba(138,90,43,.18), transparent 55%),
        radial-gradient(700px 280px at 85% 10%, rgba(43,94,163,.16), transparent 54%),
        radial-gradient(500px 220px at 60% 75%, rgba(47,107,79,.10), transparent 55%),
        repeating-linear-gradient(120deg, rgba(0,0,0,.05) 0 2px, transparent 2px 10px);
      opacity:.85;
      pointer-events:none;
    }
    .heroInner{
      position:relative;
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      padding:22px;
      align-items:start;
    }

    .heroTitle{
      margin:0;
      font-size:34px;
      line-height:1.15;
      letter-spacing:-.4px;
    }
    .lead{
      margin:12px 0 14px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:62ch;
    }

    .heroChips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:14px 0 0;
    }
    .chip{
      border:1px solid rgba(25,33,43,.14);
      background: rgba(248,246,240,.65);
      padding:10px 12px;
      border-radius:999px;
      font-weight:750;
      font-size:13px;
      color:var(--ink);
      display:flex;
      align-items:center;
      gap:10px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .chip i{
      width:10px;height:10px;border-radius:3px;
      background: linear-gradient(180deg, rgba(255,255,255,.6), transparent), var(--accent2);
      box-shadow:0 0 0 4px rgba(43,94,163,.12);
      display:inline-block;
    }
    .chip:nth-child(2) i{background:linear-gradient(180deg, rgba(255,255,255,.65), transparent), var(--accent)}
    .chip:nth-child(3) i{background:linear-gradient(180deg, rgba(255,255,255,.65), transparent), var(--accent3)}
    .chip:nth-child(4) i{background:linear-gradient(180deg, rgba(255,255,255,.65), transparent), #6b3aa0}
    .chip:hover{
      transform: translateY(-2px);
      border-color: rgba(138,90,43,.28);
      background: rgba(248,246,240,.86);
    }

    .heroAside{
      border-radius: var(--radius);
      border:1px solid rgba(25,33,43,.12);
      background: rgba(248,246,240,.70);
      padding:16px;
      box-shadow: 0 14px 32px rgba(19,24,31,.08);
      position:relative;
      overflow:hidden;
    }
    .heroAside::after{
      content:"";
      position:absolute;
      inset:-30%;
      background:
        radial-gradient(closest-side, rgba(138,90,43,.18), transparent 60%),
        radial-gradient(closest-side, rgba(43,94,163,.12), transparent 62%);
      transform: translate3d(18%, -10%, 0);
      pointer-events:none;
      opacity:.9;
    }
    .asideContent{position:relative}
    .asideLabel{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .asideLabel strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .badge{
      font-size:12px;
      font-weight:800;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(138,90,43,.10);
      border:1px solid rgba(138,90,43,.22);
      color: #6a3a10;
      white-space:nowrap;
    }
    .asideList{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .asideItem{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(25,33,43,.10);
      background: rgba(255,255,255,.22);
    }
    .asideIcon{
      width:30px;height:30px;border-radius:10px;
      background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.18));
      border:1px solid rgba(25,33,43,.12);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      color:var(--accent);
      font-weight:900;
    }
    .asideItem b{
      display:block;
      font-size:13.5px;
      line-height:1.25;
      margin-top:1px;
    }
    .asideItem span{
      display:block;
      color:var(--subtle);
      font-size:12.8px;
      line-height:1.45;
      margin-top:5px;
    }

    .section{
      margin-top:16px;
      padding:0;
    }

    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }

    .card{
      border-radius: var(--radius);
      background: rgba(248,246,240,.72);
      border:1px solid rgba(25,33,43,.12);
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .card::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        repeating-linear-gradient(125deg, rgba(0,0,0,.05) 0 1px, transparent 1px 10px),
        radial-gradient(700px 160px at 20% 0%, rgba(138,90,43,.12), transparent 55%);
      opacity:.5;
      pointer-events:none;
    }
    .card > *{position:relative}

    .sectionTitle{
      margin:0 0 8px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .muted{color:var(--muted)}
    .subtle{color:var(--subtle)}
    .small{font-size:13.5px; line-height:1.65}

    .toc{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      text-decoration:none;
      color:var(--ink);
      border:1px solid rgba(25,33,43,.12);
      background: rgba(255,255,255,.18);
      padding:12px 12px;
      border-radius:14px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      outline:none;
    }
    .toc a:hover{
      transform: translateY(-2px);
      border-color: rgba(138,90,43,.28);
      background: rgba(255,255,255,.28);
    }
    .toc a:focus-visible{
      box-shadow:0 0 0 4px var(--ring);
    }
    .toc a b{
      font-size:13.8px;
      letter-spacing:.1px;
    }
    .toc a span{
      font-size:12.5px;
      color:var(--subtle);
      font-weight:750;
      white-space:nowrap;
    }

    .steps{
      display:grid;
      gap:12px;
      margin-top:10px;
    }
    .step{
      border:1px solid rgba(25,33,43,.12);
      background: rgba(255,255,255,.22);
      border-radius:16px;
      padding:12px 12px;
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .stepNum{
      width:34px;height:34px;border-radius:14px;
      background: linear-gradient(180deg, rgba(138,90,43,.92), rgba(106,56,19,.92));
      color:#fff;
      font-weight:900;
      display:flex;align-items:center;justify-content:center;
      box-shadow: 0 12px 24px rgba(138,90,43,.24);
      flex:0 0 auto;
      border:1px solid rgba(255,255,255,.18);
    }
    .step h3{
      margin:0;
      font-size:14.7px;
      letter-spacing:-.15px;
    }
    .step p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
    }

    .priceGrid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      margin-top:10px;
    }
    .table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(25,33,43,.12);
      background: rgba(255,255,255,.18);
    }
    .table th,.table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(25,33,43,.10);
      text-align:left;
      vertical-align:top;
      font-size:13.5px;
      line-height:1.55;
    }
    .table th{
      color:var(--ink);
      font-weight:900;
      background: rgba(248,246,240,.55);
    }
    .table tr:last-child td{border-bottom:none}
    .pillRow{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:8px;
    }
    .pill{
      border:1px solid rgba(25,33,43,.12);
      background: rgba(248,246,240,.62);
      padding:6px 9px;
      border-radius:999px;
      font-size:12.5px;
      font-weight:800;
      color:var(--muted);
      white-space:nowrap;
    }
    .pill.ac{color:#6a3a10; border-color: rgba(138,90,43,.22); background: rgba(138,90,43,.10)}
    .pill.bl{color:#1d4d85; border-color: rgba(43,94,163,.22); background: rgba(43,94,163,.10)}
    .pill.gr{color:#1e5a3d; border-color: rgba(47,107,79,.20); background: rgba(47,107,79,.10)}
    .pill.pu{color:#4b2a7a; border-color: rgba(107,58,160,.22); background: rgba(107,58,160,.10)}

    .faq{
      display:grid;
      gap:10px;
      margin-top:10px;
    }
    details{
      border:1px solid rgba(25,33,43,.12);
      background: rgba(255,255,255,.20);
      border-radius:16px;
      padding:12px 12px;
      transition: border-color .18s ease, transform .18s ease;
    }
    details[open]{border-color: rgba(138,90,43,.26); transform: translateY(-1px)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      color:var(--ink);
      font-size:14.2px;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .sumRight{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color:var(--subtle);
      font-size:12.8px;
      font-weight:850;
    }
    .chev{
      width:26px;height:26px;border-radius:12px;
      border:1px solid rgba(25,33,43,.12);
      background: rgba(248,246,240,.62);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    details p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .conclude{
      margin-top:14px;
      padding:14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(25,33,43,.12);
      background: rgba(248,246,240,.62);
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .concludeMark{
      width:40px;height:40px;border-radius:16px;
      background: linear-gradient(180deg, rgba(43,94,163,.92), rgba(28,60,117,.92));
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      display:flex;align-items:center;justify-content:center;
      font-weight:900;
      flex:0 0 auto;
      box-shadow: 0 12px 24px rgba(43,94,163,.22);
    }
    .conclude b{font-size:14.5px}
    .conclude p{margin:6px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .inlineLink{
      display:inline-block;
      color:#1d4d85;
      font-weight:900;
      text-decoration:none;
      border-bottom:1px solid rgba(29,77,133,.35);
      padding-bottom:1px;
      transition: color .18s ease, border-color .18s ease, transform .18s ease;
    }
    .inlineLink:hover{
      color:#173d6f;
      border-color: rgba(23,61,111,.55);
      transform: translateY(-1px);
    }
    .mediaRow{
      display:flex;
      gap:14px;
      align-items:stretch;
      margin-top:16px;
    }
    .mediaCard{
      flex:1 1 auto;
      border-radius: var(--radius);
      border:1px solid rgba(25,33,43,.12);
      background: rgba(248,246,240,.70);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .mediaWrap{
      padding:14px 14px 0;
    }
    .mediaCard h2{
      margin:0 0 8px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .imgFrame{
      margin-top:10px;
      padding:12px;
      border-top:1px solid rgba(25,33,43,.10);
      background: rgba(255,255,255,.16);
    }
    .imgFrame img{
      width:100%;
      max-width:100%;
      height:auto;
      display:block;
      border-radius:14px;
      border:1px solid rgba(25,33,43,.10);
      background: rgba(255,255,255,.22);
      transform: translateZ(0);
      transition: transform .22s ease;
    }
    .mediaCard:hover .imgFrame img{
      transform: translateY(-2px);
    }
    .figCap{
      padding:12px 14px 14px;
      color:var(--subtle);
      font-size:13px;
      line-height:1.6;
    }

    .footer{
      margin-top:16px;
      background: linear-gradient(180deg, rgba(31,35,40,.96), rgba(18,20,23,.98));
      color:#e9edf2;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footerInner{
      padding:18px 0 14px;
    }
    .footerGrid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footerBrand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .footerLogo{
      width:42px;height:42px;border-radius:16px;
      background: linear-gradient(145deg, rgba(138,90,43,.95), rgba(90,45,8,.95));
      display:flex;align-items:center;justify-content:center;
      font-weight:950;
      border:1px solid rgba(255,255,255,.16);
      box-shadow: 0 16px 30px rgba(138,90,43,.18);
      flex:0 0 auto;
    }
    .footerBrand b{
      display:block;
      font-size:14.5px;
      margin-top:1px;
      letter-spacing:.2px;
    }
    .footerBrand p{
      margin:8px 0 0;
      color:rgba(233,237,242,.78);
      font-size:13.2px;
      line-height:1.65;
      max-width:60ch;
    }
    .footerLinks{
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      border-radius:16px;
      padding:12px;
    }
    .footerLinks strong{
      display:block;
      font-size:13.8px;
      margin-bottom:10px;
      color:#f4f7fb;
    }
    .footerLinks a{
      display:block;
      color:rgba(233,237,242,.86);
      text-decoration:none;
      font-weight:800;
      font-size:13.2px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease;
      margin-bottom:8px;
    }
    .footerLinks a:last-child{margin-bottom:0}
    .footerLinks a:hover{
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.14);
      transform: translateY(-1px);
    }
    .copyright{
      padding-top:12px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:rgba(233,237,242,.72);
      font-size:12.8px;
      line-height:1.7;
    }

    .srOnly{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    @media (max-width: 920px){
      .heroInner{grid-template-columns: 1fr; gap:14px}
      .heroTitle{font-size:30px}
      .grid2{grid-template-columns:1fr}
      .footerGrid{grid-template-columns:1fr}
      nav ul{display:none}
      .menuBtn{display:inline-flex}
    }

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