:root{
      --bg:#f7f4ee;
      --panel:#fffdf9;
      --panel-2:#f3eee5;
      --text:#23201b;
      --muted:#6a6257;
      --line:#e7dfd2;
      --accent:#8b6d48;
      --accent-2:#c39b6a;
      --shadow:0 18px 45px rgba(74,55,30,.08);
      --radius:22px;
      --container:1100px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(195,155,106,.12), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(139,109,72,.10), transparent 22%),
        var(--bg);
      color:var(--text);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    header{
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(14px);
      background:rgba(247,244,238,.78);
      border-bottom:1px solid rgba(231,223,210,.8);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      box-shadow:0 10px 20px rgba(139,109,72,.22);
      flex:0 0 auto;
    }
    .brand strong{
      display:block;
      font-size:1rem;
      letter-spacing:.02em;
    }
    .brand span{
      display:block;
      font-size:.88rem;
      color:var(--muted);
    }
    nav{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:14px;
      font-size:.95rem;
      color:var(--muted);
    }
    nav a{
      padding:8px 0;
      position:relative;
    }
    nav a::after{
      content:"";
      position:absolute;
      left:0;
      bottom:4px;
      width:0;
      height:1.5px;
      background:var(--accent);
      transition:width .22s ease;
    }
    nav a:hover::after{width:100%}
    main{padding:28px 0 18px}
    .hero{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:stretch;
      margin-top:10px;
    }
    .hero-main,
    .hero-side,
    .section,
    .related,
    footer{
      border:1px solid var(--line);
      background:rgba(255,253,249,.88);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .hero-main::before{
      content:"";
      position:absolute;
      right:-60px;
      top:-60px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(195,155,106,.18), transparent 68%);
      pointer-events:none;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      background:var(--panel-2);
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent);
      font-size:.9rem;
      margin-bottom:16px;
    }
    h1{
      margin:0 0 14px;
      font-size:clamp(2rem, 4vw, 3.25rem);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .lead{
      margin:0;
      color:var(--muted);
      font-size:1.02rem;
      max-width:44em;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .mini{
      padding:14px 14px 15px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(243,238,229,.9), rgba(255,253,249,.95));
      border:1px solid var(--line);
    }
    .mini strong{
      display:block;
      margin-bottom:6px;
      font-size:.95rem;
    }
    .mini span{
      display:block;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.65;
    }
    .hero-side{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .side-block{
      padding:18px;
      border-radius:18px;
      background:linear-gradient(180deg, #fff, #f7f2e9);
      border:1px solid var(--line);
    }
    .side-block h2{
      margin:0 0 10px;
      font-size:1.12rem;
    }
    .side-block p,
    .side-block li{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .side-block ul{
      margin:0;
      padding-left:18px;
      display:grid;
      gap:8px;
    }
    .section{
      margin-top:18px;
      padding:28px 28px 26px;
    }
    .section h2{
      margin:0 0 14px;
      font-size:1.45rem;
      line-height:1.2;
    }
    .section p{margin:0;color:var(--muted)}
    .grid-2{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
      margin-top:18px;
    }
    .card{
      padding:18px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 30px rgba(74,55,30,.08);
    }
    .card h3{
      margin:0 0 10px;
      font-size:1.05rem;
    }
    .card p,
    .card li{
      color:var(--muted);
      font-size:.95rem;
    }
    .card ul{
      margin:0;
      padding-left:18px;
      display:grid;
      gap:8px;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      margin-top:18px;
    }
    .step{
      padding:18px;
      border-radius:18px;
      background:linear-gradient(180deg, #fff, #f6f0e7);
      border:1px solid var(--line);
    }
    .step b{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:30px;
      height:30px;
      border-radius:10px;
      background:rgba(139,109,72,.12);
      color:var(--accent);
      margin-bottom:12px;
    }
    .step h3{margin:0 0 8px;font-size:1rem}
    .step p{margin:0;color:var(--muted);font-size:.94rem}
    .note{
      margin-top:18px;
      padding:18px;
      border-radius:18px;
      background:#fbf7f1;
      border:1px solid var(--line);
      color:var(--muted);
    }
    .related{
      margin-top:18px;
      padding:26px 28px;
    }
    .related h2{margin:0 0 14px;font-size:1.32rem}
    .related ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px 18px;
    }
    .related a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 16px;
      border-radius:16px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--text);
      transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
    }
    .related a::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-2);
      flex:0 0 auto;
    }
    .related a:hover{
      transform:translateY(-2px);
      border-color:#d8c7b0;
      box-shadow:0 14px 24px rgba(74,55,30,.06);
    }
    footer{
      margin:18px auto 24px;
      padding:18px 0;
      background:#f6f1e9;
      box-shadow:none;
    }
    .footer-inner{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px 16px;
      color:var(--muted);
      font-size:.92rem;
    }
    .fade-in{
      animation:fadeUp .6s ease both;
    }
    @keyframes fadeUp{
      from{opacity:0;transform:translateY(10px)}
      to{opacity:1;transform:translateY(0)}
    }
    @media (max-width: 920px){
      .hero{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2, minmax(0,1fr))}
    }
    @media (max-width: 720px){
      .topbar{flex-direction:column;align-items:flex-start}
      nav{justify-content:flex-start}
      .hero-main,.hero-side,.section,.related{padding:20px}
      .hero-points,.grid-2,.related ul{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
    }