:root{
      --bg:#fbf7f1;
      --panel:#ffffff;
      --text:#1f2328;
      --muted:#5b636e;
      --subtle:#eef1f5;
      --line:#e6e9ef;
      --brand:#8a6b43;
      --brand2:#b89362;
      --accent:#2c5aa0;
      --shadow: 0 18px 40px rgba(17,24,39,.10);
      --shadow2: 0 10px 26px rgba(17,24,39,.10);
      --radius:18px;
      --radius2:14px;
      --focus: 0 0 0 4px rgba(44,90,160,.18);
      --max:1080px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 480px at 16% 0%, rgba(184,147,98,.20), transparent 55%),
        radial-gradient(700px 420px at 90% 10%, rgba(44,90,160,.12), transparent 52%),
        linear-gradient(180deg, #fff 0%, var(--bg) 42%, #fff 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width: min(var(--max), calc(100% - 32px));
      margin: 0 auto;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:20;
      background: rgba(255,255,255,.66);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(230,233,239,.7);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding: 14px 0;
      gap:14px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 180px;
    }
    .logo{
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius: 14px;
      background: linear-gradient(145deg, rgba(138,107,67,.16), rgba(184,147,98,.25));
      border: 1px solid rgba(138,107,67,.25);
      box-shadow: 0 10px 20px rgba(138,107,67,.10);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .logo::before{
      content:"";
      position:absolute; inset:-40px;
      background: radial-gradient(circle at 30% 30%, rgba(184,147,98,.45), transparent 56%);
      transform: rotate(18deg);
    }
    .logo span{
      position:relative;
      font-weight:800;
      letter-spacing:.5px;
      color:#6a4a22;
      font-size: 18px;
    }
    .brand strong{
      font-size: 14px;
      letter-spacing: .2px;
    }
    .brand em{
      display:block;
      font-style:normal;
      color: var(--muted);
      font-size:12px;
      margin-top:2px;
    }

    .nav-right{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .links{
      display:flex;
      gap:16px;
      align-items:center;
      flex-wrap:wrap;
    }
    .nav a.link{
      text-decoration:none;
      color: var(--muted);
      font-size: 13px;
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
    }
    .nav a.link:hover{
      background: rgba(184,147,98,.10);
      border-color: rgba(184,147,98,.25);
      color:#353b44;
      transform: translateY(-1px);
    }

    .cta{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      border-radius: 14px;
      padding: 10px 14px;
      font-weight: 700;
      font-size: 13px;
      letter-spacing:.2px;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--focus);}
    .btn-primary{
      color:#fff;
      background: linear-gradient(145deg, #2c5aa0, #234c86);
      box-shadow: 0 14px 28px rgba(44,90,160,.22);
      border: 1px solid rgba(35,76,134,.35);
    }
    .btn-primary:hover{transform: translateY(-1px)}
    .btn-ghost{
      color:#2c5aa0;
      background: rgba(44,90,160,.06);
      border: 1px solid rgba(44,90,160,.18);
    }
    .btn-ghost:hover{transform: translateY(-1px)}
    .hamburger{
      width:42px;height:42px;
      border-radius: 14px;
      border:1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.72);
      display:none;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
    }
    .hamburger:hover{transform: translateY(-1px); border-color: rgba(184,147,98,.35)}
    .hamburger:focus{outline:none; box-shadow: var(--focus);}
    .ham{
      width:18px;height:14px; position:relative;
    }
    .ham i{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: #2b2f36;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .ham i:nth-child(1){top:0}
    .ham i:nth-child(2){top:6px}
    .ham i:nth-child(3){top:12px}
    .hamburger[data-open="true"] .ham i:nth-child(1){top:6px; transform: rotate(45deg)}
    .hamburger[data-open="true"] .ham i:nth-child(2){opacity:0}
    .hamburger[data-open="true"] .ham i:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 6px 0 16px;
    }
    .mobile-panel .mobile-links{
      display:grid;
      gap:10px;
      padding-top:10px;
    }
    .mobile-panel a{
      text-decoration:none;
      color:#2f3540;
      font-weight:650;
      padding: 12px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(230,233,239,.95);
      transition: transform .15s ease, border-color .2s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); border-color: rgba(184,147,98,.35)}
    main{padding: 18px 0 26px}
    .hero{
      padding: 24px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.74));
      border: 1px solid rgba(230,233,239,.95);
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      padding: 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(900px 380px at 18% 10%, rgba(184,147,98,.22), transparent 60%),
        radial-gradient(720px 320px at 95% 20%, rgba(44,90,160,.14), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .hero-card > *{position:relative}
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(184,147,98,.25);
      background: rgba(184,147,98,.10);
      color:#5e4728;
      font-weight:700;
      font-size: 12px;
      letter-spacing:.2px;
    }
    .dot{
      width:9px;height:9px;border-radius:50%;
      background: linear-gradient(145deg, #b89362, #8a6b43);
      box-shadow: 0 8px 18px rgba(138,107,67,.28);
    }
    h1{
      margin: 14px 0 10px;
      font-size: clamp(22px, 3.2vw, 34px);
      line-height:1.15;
      letter-spacing:.2px;
    }
    .lead{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top: 16px;
      align-items:center;
    }
    .mini-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 16px;
    }
    .pill{
      border-radius: 16px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
      transition: transform .2s ease, border-color .2s ease;
      min-height: 68px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .pill:hover{transform: translateY(-2px); border-color: rgba(184,147,98,.35)}
    .ico{
      width:32px;height:32px;border-radius: 12px;
      display:grid; place-items:center;
      background: rgba(44,90,160,.07);
      border: 1px solid rgba(44,90,160,.14);
      color:#264a88;
      flex:0 0 auto;
      margin-top:2px;
    }
    .pill strong{
      display:block;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .pill span{
      display:block;
      color: var(--muted);
      font-size: 12px;
      line-height:1.4;
    }

    .side-card{
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(230,233,239,.95);
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      padding: 18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      overflow:hidden;
      position:relative;
    }
    .side-card::before{
      content:"";
      position:absolute; inset:-80px -120px auto auto;
      width:240px; height:240px;
      background: radial-gradient(circle at 30% 30%, rgba(184,147,98,.28), transparent 55%);
      transform: rotate(20deg);
      pointer-events:none;
    }
    .side-card > *{position:relative}
    .side-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .side-title{
      margin:0;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .badge{
      flex:0 0 auto;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(44,90,160,.07);
      border: 1px solid rgba(44,90,160,.16);
      color:#244b86;
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .checklist{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .checklist li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 10px 10px;
      border-radius: 14px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      transition: transform .15s ease, border-color .2s ease;
    }
    .checklist li:hover{transform: translateY(-1px); border-color: rgba(184,147,98,.35)}
    .tick{
      width:20px;height:20px;border-radius:8px;
      background: rgba(184,147,98,.16);
      border: 1px solid rgba(184,147,98,.28);
      display:grid; place-items:center;
      margin-top:1px;
      flex:0 0 auto;
      color:#6a4a22;
      font-weight:900;
      font-size:12px;
      line-height:1;
    }
    .checklist b{
      display:block;
      font-size:13px;
      margin-bottom:3px;
    }
    .checklist small{
      display:block;
      color: var(--muted);
      font-size:12px;
      line-height:1.5;
    }

    .section{
      padding: 14px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 12px;
    }
    .section-head h2{
      margin:0;
      font-size: 18px;
      letter-spacing:.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      max-width: 56ch;
    }

    .toc{
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(230,233,239,.95);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .toc-grid{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
    }
    .toc a{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      border-radius: 999px;
      padding: 10px 12px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      color:#2f3540;
      font-weight:700;
      font-size: 13px;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .toc a:hover{transform: translateY(-1px); border-color: rgba(184,147,98,.35); background: rgba(184,147,98,.08)}
    .toc i{
      width:24px;height:24px;border-radius:10px;
      display:grid;place-items:center;
      background: rgba(44,90,160,.07);
      border: 1px solid rgba(44,90,160,.14);
      color:#244b86;
      font-style:normal;
      font-weight:900;
      font-size: 12px;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .feature{
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.76);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .feature:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
      border-color: rgba(184,147,98,.35);
    }
    .feature .toprow{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 10px;
    }
    .feature h3{
      margin:0;
      font-size: 15px;
      letter-spacing:.2px;
    }
    .tag{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(184,147,98,.25);
      background: rgba(184,147,98,.10);
      color:#6a4a22;
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .feature p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }
    .steps{
      margin-top: 10px;
      display:grid;
      gap:10px;
    }
    .step{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
    }
    .step b{
      width:26px;height:26px;border-radius: 10px;
      display:grid; place-items:center;
      background: rgba(44,90,160,.07);
      border: 1px solid rgba(44,90,160,.14);
      color:#244b86;
      font-size: 12px;
      flex:0 0 auto;
      margin-top:2px;
    }
    .step span{
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
    }

    .case-card{
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.72));
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .case-card h3{
      margin:0 0 8px;
      font-size: 15px;
      letter-spacing:.2px;
    }
    .case-card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.85;
    }
    .case-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .case-list li{
      border-radius: 16px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
    }
    .case-list b{
      display:block;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .case-list span{
      display:block;
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
    }

    .faq{
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.76);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 10px;
    }
    details{
      border-radius: 16px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
      margin: 10px;
      transition: border-color .2s ease, transform .15s ease;
    }
    details[open]{border-color: rgba(184,147,98,.35)}
    details:hover{transform: translateY(-1px)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:800;
      font-size: 13.5px;
      color:#2f3540;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:34px;height:34px;border-radius: 14px;
      display:grid; place-items:center;
      background: rgba(44,90,160,.07);
      border: 1px solid rgba(44,90,160,.14);
      color:#244b86;
      transition: transform .2s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq p{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.85;
    }

    .conclude{
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.76);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      display:flex;
      gap:14px;
      align-items:flex-start;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .quote{
      margin:0;
      max-width: 68ch;
    }
    .conclude h2{
      margin:0 0 8px;
      font-size: 16px;
      letter-spacing:.2px;
    }
    .conclude p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.85;
    }
    .inline-link{
      text-decoration:none;
      font-weight:900;
      color:#244b86;
      border-bottom: 1px solid rgba(36,75,134,.35);
      padding-bottom:2px;
    }
    .inline-link:hover{border-bottom-color: rgba(36,75,134,.8)}
    .thumb{
      width:100%;
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .thumb img{
      width:100%;
      display:block;
      max-width:100%;
      height:auto;
      object-fit:contain;
      transform-origin:center;
      animation: floatIn .6s ease both;
    }
    @keyframes floatIn{
      from{opacity:0; transform: translateY(10px) scale(.99)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }

    footer{
      margin-top: 10px;
      background: #f2f0ea;
      border-top: 1px solid rgba(230,233,239,.95);
      color: #1f2328;
    }
    .foot{
      padding: 18px 0;
    }
    .foot-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:start;
    }
    .foot h2{
      margin:0 0 8px;
      font-size: 15px;
      letter-spacing:.2px;
    }
    .foot p{
      margin:0;
      color: #4a525f;
      font-size: 13px;
      line-height:1.8;
    }
    .foot-card{
      border-radius: var(--radius);
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.72);
      padding: 14px;
    }
    .foot-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .foot-links a{
      text-decoration:none;
      color:#2f3540;
      font-weight:750;
      font-size: 12.5px;
      padding: 9px 10px;
      border-radius: 999px;
      border: 1px solid rgba(230,233,239,.95);
      background: rgba(255,255,255,.78);
      transition: transform .15s ease, border-color .2s ease;
    }
    .foot-links a:hover{transform: translateY(-1px); border-color: rgba(184,147,98,.35)}
    .copyright{
      padding: 12px 0 18px;
      color:#5a626f;
      font-size: 12.5px;
      border-top: 1px solid rgba(230,233,239,.95);
    }

    @media (max-width: 900px){
      .hero-grid{grid-template-columns: 1fr; }
      .mini-list{grid-template-columns: 1fr 1fr}
      .grid-2{grid-template-columns: 1fr}
      .case-grid{grid-template-columns:1fr}
      .foot-grid{grid-template-columns:1fr}
      .links{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important; scroll-behavior:auto !important}
      .thumb img{transform:none}
    }