:root{
      --bg:#fbf3e3;
      --paper:#fffaf0;
      --ink:#1f1f23;
      --muted:#5a4e3f;
      --line: rgba(31,31,35,.14);
      --shadow: 0 18px 40px rgba(30,20,10,.10);
      --accent:#7a4a2a;
      --accent2:#2b4f6a;
      --accentSoft: rgba(122,74,42,.12);
      --btn:#1f1f23;
      --btnText:#fffaf0;
      --focus:#0f62fe;
      --radius:16px;
      --radius2:22px;
      --container: 1080px;
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 700px at 15% 0%, rgba(122,74,42,.10), transparent 55%),
        radial-gradient(900px 520px at 90% 20%, rgba(43,79,106,.10), transparent 50%),
        linear-gradient(180deg, #fff6e5 0%, var(--bg) 45%, #faf0da 100%);
      overflow-x:hidden;
    }

    a{color:inherit}
    img{max-width:100%; height:auto; display:block}

    .container{
      width: min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter: blur(10px);
      background: rgba(251,243,227,.72);
      border-bottom:1px solid rgba(31,31,35,.10);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 92px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:
        linear-gradient(135deg, rgba(31,31,35,.95), rgba(31,31,35,.78));
      color:#fffaf0;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      letter-spacing:.5px;
      box-shadow: 0 12px 22px rgba(31,31,35,.18);
      border:1px solid rgba(255,250,240,.18);
    }
    .brand-text{
      line-height:1.1;
    }
    .brand-title{
      font-weight:850;
      letter-spacing:.2px;
      font-size:14px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:16px;
      flex-wrap:wrap;
    }
    .nav-link{
      font-size:13px;
      color:rgba(31,31,35,.88);
      text-decoration:none;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,250,240,.65);
      border-color: rgba(31,31,35,.12);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .btn{
      border:1px solid rgba(31,31,35,.16);
      background: rgba(255,250,240,.7);
      color:rgba(31,31,35,.95);
      padding:10px 14px;
      border-radius:999px;
      font-weight:700;
      font-size:13px;
      text-decoration:none;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      box-shadow: 0 10px 22px rgba(31,31,35,.08);
      display:inline-flex;
      align-items:center;
      gap:8px;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      border-color: rgba(31,31,35,.24);
      background: rgba(255,250,240,.92);
      box-shadow: 0 14px 28px rgba(31,31,35,.12);
    }
    .btn:focus-visible, .nav-link:focus-visible, .chip:focus-visible, .faq-item summary:focus-visible, .icon-link:focus-visible, .qbtn:focus-visible, input:focus-visible{
      outline:3px solid rgba(15,98,254,.35);
      outline-offset:2px;
    }
    .btn-primary{
      background: var(--btn);
      color: var(--btnText);
      border-color: rgba(255,250,240,.22);
      box-shadow: 0 16px 30px rgba(31,31,35,.22);
    }
    .btn-primary:hover{
      background:#131316;
      border-color: rgba(255,250,240,.26);
      box-shadow: 0 20px 42px rgba(31,31,35,.26);
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(31,31,35,.16);
      background: rgba(255,250,240,.8);
      border-radius:12px;
      padding:10px 12px;
      cursor:pointer;
      font-weight:800;
    }
    .mobile-menu{
      display:none;
      padding: 0 0 14px;
    }
    .mobile-menu .nav-links{
      flex-direction:column;
      align-items:stretch;
      gap:10px;
    }
    .mobile-menu .nav-link{
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(255,250,240,.62);
    }

    .hero{
      padding:26px 0 14px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:22px;
      align-items:start;
    }

    .hero-card{
      background: linear-gradient(180deg, rgba(255,250,240,.95), rgba(255,250,240,.78));
      border:1px solid rgba(31,31,35,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(900px 260px at 20% 0%, rgba(122,74,42,.18), transparent 55%),
        radial-gradient(600px 200px at 95% 20%, rgba(43,79,106,.14), transparent 55%),
        linear-gradient(120deg, rgba(255,255,255,.28), rgba(255,255,255,0) 45%);
      pointer-events:none;
      opacity:.95;
    }
    .hero-inner{
      position:relative;
      padding:26px 22px 22px;
    }

    .kicker{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      margin-bottom:10px;
    }
    .chip{
      border:1px solid rgba(31,31,35,.14);
      background: rgba(255,250,240,.75);
      padding:8px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:rgba(31,31,35,.88);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
      user-select:none;
    }
    .chip:hover{transform: translateY(-1px); background: rgba(255,250,240,.92);}

    .hero h1{
      margin:10px 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height:1.15;
    }
    .lead{
      margin:0;
      color: rgba(31,31,35,.82);
      font-size:15px;
      line-height:1.85;
      max-width: 66ch;
    }

    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:18px;
      align-items:center;
    }
    .micro{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
      align-items:center;
    }
    .micro-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px dashed rgba(31,31,35,.18);
      background: rgba(255,250,240,.55);
      min-width: 210px;
    }
    .micro-ico{
      width:34px;
      height:34px;
      border-radius:12px;
      background: rgba(122,74,42,.14);
      border:1px solid rgba(122,74,42,.22);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .micro-ico svg{width:18px; height:18px; color: rgba(122,74,42,.95)}
    .micro-title{
      font-weight:850;
      font-size:13px;
      margin:0;
    }
    .micro-desc{
      margin:4px 0 0;
      color: rgba(31,31,35,.72);
      font-size:12.5px;
      line-height:1.45;
    }

    .side-panel{
      background: linear-gradient(180deg, rgba(255,250,240,.92), rgba(255,250,240,.70));
      border:1px solid rgba(31,31,35,.10);
      border-radius: var(--radius2);
      box-shadow: 0 16px 34px rgba(31,31,35,.10);
      overflow:hidden;
    }
    .side-inner{
      padding:18px 16px;
    }
    .side-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:10px;
    }
    .side-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
      color: rgba(31,31,35,.92);
    }
    .badge{
      font-size:12px;
      font-weight:900;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(43,79,106,.22);
      background: rgba(43,79,106,.10);
      color: rgba(43,79,106,.95);
      white-space:nowrap;
    }

    .gallery{
      display:grid;
      grid-template-columns:1fr;
      gap:12px;
    }
    .img-wrap{
      border-radius:18px;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(255,250,240,.65);
      overflow:hidden;
      position:relative;
    }
    .img-wrap::after{
      content:"";
      position:absolute;
      inset:0;
      background: radial-gradient(380px 180px at 20% 10%, rgba(255,255,255,.35), transparent 55%);
      pointer-events:none;
    }
    .img-wrap img{
      width:100%;
      object-fit:contain;
    }

    .side-links{
      margin-top:12px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .icon-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border-radius:16px;
      padding:12px 12px;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(255,250,240,.62);
      text-decoration:none;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .icon-link:hover{
      transform: translateY(-1px);
      border-color: rgba(31,31,35,.20);
      background: rgba(255,250,240,.92);
    }
    .icon-left{
      display:flex;
      align-items:flex-start;
      gap:10px;
      min-width: 0;
    }
    .icon-dot{
      width:34px;
      height:34px;
      border-radius:12px;
      background: rgba(31,31,35,.08);
      border:1px solid rgba(31,31,35,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .icon-dot svg{width:18px; height:18px; color: rgba(31,31,35,.88)}
    .icon-text{
      min-width:0;
    }
    .icon-text strong{
      display:block;
      font-size:13px;
      letter-spacing:.1px;
    }
    .icon-text span{
      display:block;
      margin-top:4px;
      font-size:12.5px;
      color: rgba(31,31,35,.72);
      line-height:1.35;
      word-break:break-word;
    }

    .chev{
      width:10px; height:10px;
      border-right:2px solid rgba(31,31,35,.55);
      border-bottom:2px solid rgba(31,31,35,.55);
      transform: rotate(-45deg);
      flex:0 0 auto;
      margin-right:2px;
    }

    main{padding:18px 0 30px}
    .section{
      margin-top:18px;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:18px;
    }

    .panel{
      background: rgba(255,250,240,.70);
      border:1px solid rgba(31,31,35,.10);
      border-radius: var(--radius2);
      padding:16px 16px;
      box-shadow: 0 12px 26px rgba(31,31,35,.08);
    }

    .section-header{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .section-header h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .muted{
      color: rgba(31,31,35,.70);
      font-size:13px;
      line-height:1.6;
      margin:6px 0 0;
    }

    .toc{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .toc a{
      text-decoration:none;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(255,250,240,.60);
      border-radius:999px;
      padding:9px 12px;
      font-weight:800;
      font-size:12.5px;
      color: rgba(31,31,35,.88);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .toc a:hover{
      transform: translateY(-1px);
      background: rgba(255,250,240,.92);
      border-color: rgba(31,31,35,.20);
    }

    .steps{
      display:grid;
      gap:12px;
      margin-top:10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(31,31,35,.10);
      background: rgba(255,250,240,.62);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .step:hover{
      transform: translateY(-1px);
      border-color: rgba(31,31,35,.18);
      background: rgba(255,250,240,.90);
    }
    .num{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(122,74,42,.14);
      border:1px solid rgba(122,74,42,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(122,74,42,.95);
      flex:0 0 auto;
      margin-top:2px;
      position:relative;
    }
    .num::after{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:14px;
      background: radial-gradient(22px 22px at 30% 20%, rgba(255,255,255,.45), transparent 60%);
      pointer-events:none;
    }
    .step h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .step p{
      margin:6px 0 0;
      color: rgba(31,31,35,.74);
      font-size:13px;
      line-height:1.7;
    }

    .callout{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:14px 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(43,79,106,.18);
      background: linear-gradient(180deg, rgba(43,79,106,.08), rgba(255,250,240,.65));
    }
    .callout-ico{
      width:40px; height:40px;
      border-radius:16px;
      background: rgba(43,79,106,.12);
      border:1px solid rgba(43,79,106,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .callout-ico svg{width:20px; height:20px; color: rgba(43,79,106,.95)}
    .callout strong{display:block; font-size:14px; letter-spacing:-.1px}
    .callout span{
      display:block;
      margin-top:6px;
      color: rgba(31,31,35,.74);
      font-size:13px;
      line-height:1.7;
    }

    .faq{
      margin-top:12px;
      display:grid;
      gap:10px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(31,31,35,.10);
      background: rgba(255,250,240,.62);
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease, background .18s ease;
    }
    .faq-item:hover{
      transform: translateY(-1px);
      border-color: rgba(31,31,35,.18);
      background: rgba(255,250,240,.90);
    }
    .faq-item summary{
      cursor:pointer;
      list-style:none;
      padding:12px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      font-size:13.5px;
      letter-spacing:-.05px;
      color: rgba(31,31,35,.93);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-q{
      display:flex;
      align-items:flex-start;
      gap:10px;
      min-width:0;
    }
    .qtag{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(31,31,35,.06);
      display:flex; align-items:center; justify-content:center;
      font-size:12px;
      color: rgba(31,31,35,.78);
      flex:0 0 auto;
      margin-top:1px;
    }
    .faq-item .answer{
      padding:0 14px 14px;
      color: rgba(31,31,35,.76);
      font-size:13px;
      line-height:1.75;
    }
    .faq-item details[open] summary .plus{
      transform: rotate(45deg);
      opacity:.95;
    }
    .plus{
      width:12px; height:12px;
      position:relative;
      flex:0 0 auto;
      opacity:.75;
      transition: transform .18s ease;
    }
    .plus::before, .plus::after{
      content:"";
      position:absolute;
      left:50%; top:50%;
      transform: translate(-50%,-50%);
      background: rgba(31,31,35,.7);
      border-radius:2px;
    }
    .plus::before{width:12px; height:2px}
    .plus::after{width:2px; height:12px}

    .divider{
      height:1px;
      background: rgba(31,31,35,.10);
      margin:14px 0 8px;
    }

    .inner-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:10px;
    }
    .inner-link{
      text-decoration:none;
      border:1px solid rgba(31,31,35,.12);
      background: rgba(255,250,240,.60);
      border-radius:999px;
      padding:9px 12px;
      font-weight:900;
      font-size:12.5px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      color: rgba(31,31,35,.92);
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .inner-link:hover{
      transform: translateY(-1px);
      background: rgba(255,250,240,.92);
      border-color: rgba(31,31,35,.20);
    }
    .arrow{
      width:8px; height:8px;
      border-right:2px solid rgba(31,31,35,.6);
      border-bottom:2px solid rgba(31,31,35,.6);
      transform: rotate(-45deg);
    }

    .content-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:18px;
      align-items:start;
    }

    .list{
      margin:10px 0 0;
      padding-left:16px;
      color: rgba(31,31,35,.76);
      font-size:13px;
      line-height:1.85;
    }
    .list li{margin:6px 0}

    .footer{
      background: rgba(31,31,35,.95);
      color:#f5e6c8;
      border-top:1px solid rgba(255,250,240,.12);
      margin-top:18px;
    }
    .footer-inner{
      padding:20px 0 16px;
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      flex-wrap:wrap;
    }
    .foot-brand{
      display:flex;
      gap:10px;
      align-items:flex-start;
      min-width: 260px;
    }
    .foot-mark{
      width:40px; height:40px;
      border-radius:14px;
      background: rgba(255,250,240,.10);
      border:1px solid rgba(255,250,240,.18);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:950;
      color:#f5e6c8;
    }
    .foot-brand strong{display:block; font-size:14px}
    .foot-brand span{display:block; margin-top:6px; color: rgba(245,230,200,.82); font-size:12.5px; line-height:1.6}

    .footer-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px 16px;
      align-items:start;
      min-width: 340px;
    }
    .footer-links a{
      text-decoration:none;
      color: rgba(245,230,200,.88);
      border-bottom: 1px dashed rgba(245,230,200,.30);
      padding-bottom:3px;
      font-weight:800;
      font-size:12.5px;
      line-height:1.5;
      transition: color .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      color:#fffaf0;
      border-bottom-color: rgba(255,250,240,.6);
    }

    .copyright{
      margin-top:14px;
      padding-top:12px;
      border-top:1px solid rgba(255,250,240,.14);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color: rgba(245,230,200,.80);
      font-size:12.5px;
    }

    @media (max-width: 920px){
      .hero-grid{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr;}
      .content-grid{grid-template-columns: 1fr;}
      .nav-links{display:none;}
      .mobile-toggle{display:inline-flex; align-items:center; gap:10px;}
      .mobile-menu{display:block;}
      nav{gap:10px;}
      .mobile-menu[aria-hidden="true"]{display:none;}
      .mobile-menu[aria-hidden="false"]{display:block;}
      .footer-links{grid-template-columns: 1fr;}
    }

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

    .animate-in{
      opacity:0;
      transform: translateY(10px);
      animation: fadeUp .55s ease forwards;
    }
    @keyframes fadeUp{
      to{opacity:1; transform: translateY(0)}
    }

    html{scroll-behavior:smooth}