:root{
      --bg0:#f3f4f6;
      --bg1:#eef0f3;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6777;
      --line:rgba(17,24,39,.12);
      --gold:#b08a3a;
      --gold2:#d2b56d;
      --steel0:#8b9099;
      --steel1:#c8ced7;
      --shadow: 0 10px 30px rgba(18,24,40,.08);
      --shadow2: 0 8px 22px rgba(18,24,40,.10);
      --radius:18px;
      --radius2:26px;
      --focus: 0 0 0 4px rgba(176,138,58,.22);
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(176,138,58,.16), transparent 55%),
        radial-gradient(900px 480px at 95% 0%, rgba(139,144,153,.18), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      color:var(--text);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:1120px;
      margin:0 auto;
      padding:0 18px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:30;
      backdrop-filter: blur(10px);
      background: rgba(243,244,246,.72);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 140px;
    }
    .logo{
      width:40px;height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#1b1203;
      background:
        linear-gradient(180deg, rgba(210,181,109,.95), rgba(176,138,58,.92));
      box-shadow: 0 12px 24px rgba(176,138,58,.22);
      border:1px solid rgba(77,55,15,.22);
      font-weight:900;
      letter-spacing:.5px;
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      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 a{
      text-decoration:none;
      padding:8px 10px;
      border-radius:12px;
      color:rgba(31,41,55,.86);
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      font-size:13px;
      white-space:nowrap;
    }
    .nav a:hover{
      background: rgba(176,138,58,.10);
      border-color: rgba(176,138,58,.22);
      transform: translateY(-1px);
    }
    .nav .cta{
      background: linear-gradient(180deg, rgba(210,181,109,.95), rgba(176,138,58,.92));
      border:1px solid rgba(77,55,15,.22);
      color:#1b1203;
      padding:9px 12px;
      font-weight:800;
      box-shadow: 0 12px 24px rgba(176,138,58,.18);
    }
    .menu-btn{
      display:none;
      border:1px solid rgba(17,24,39,.14);
      background: rgba(255,255,255,.55);
      border-radius:14px;
      padding:10px 12px;
      font-weight:700;
      color:rgba(31,41,55,.9);
      cursor:pointer;
      transition: transform .2s ease, background .2s ease;
    }
    .menu-btn:active{transform: translateY(1px)}
    .mobile-panel{
      display:none;
      padding:0 0 12px 0;
    }
    .mobile-panel .links{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding:10px 0 2px 0;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.58);
      border:1px solid rgba(17,24,39,.10);
      font-weight:700;
      color:rgba(31,41,55,.92);
    }

    header.hero{
      padding:26px 0 10px 0;
    }
    .hero-wrap{
      border-radius: var(--radius2);
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60)),
        radial-gradient(900px 320px at 10% 10%, rgba(176,138,58,.18), transparent 55%),
        radial-gradient(700px 260px at 95% 0%, rgba(139,144,153,.18), transparent 60%);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-wrap::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(90deg, rgba(176,138,58,.0), rgba(176,138,58,.16), rgba(176,138,58,.0));
      transform: translateX(-60%);
      opacity:.55;
      animation: sheen 10s linear infinite;
      pointer-events:none;
    }
    @keyframes sheen{
      0%{transform: translateX(-70%)}
      60%{transform: translateX(40%)}
      100%{transform: translateX(90%)}
    }
    .hero-inner{
      position:relative;
      padding:26px 22px;
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .eyebrow{
      display:flex; align-items:center; gap:10px;
      color:rgba(31,41,55,.86);
      font-weight:800;
      letter-spacing:.2px;
      font-size:13px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(176,138,58,.24);
      background: rgba(176,138,58,.10);
      color:rgba(80,55,10,.95);
      box-shadow: 0 10px 22px rgba(176,138,58,.10);
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(180deg, rgba(210,181,109,1), rgba(176,138,58,1));
      box-shadow: 0 0 0 4px rgba(176,138,58,.14);
    }
    h1{
      margin:14px 0 10px 0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.4px;
    }
    .lead{
      margin:0;
      color:rgba(31,41,55,.86);
      font-size:15px;
      line-height:1.8;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      border-radius:14px;
      padding:12px 14px;
      font-weight:900;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      display:inline-flex;
      align-items:center;
      gap:10px;
      text-decoration:none;
      user-select:none;
    }
    .btn-primary{
      background: linear-gradient(180deg, rgba(210,181,109,.98), rgba(176,138,58,.95));
      color:#1b1203;
      box-shadow: 0 18px 40px rgba(176,138,58,.20);
      border:1px solid rgba(77,55,15,.20);
    }
    .btn-primary:hover{transform: translateY(-1px)}
    .btn-ghost{
      background: rgba(255,255,255,.55);
      border:1px solid rgba(17,24,39,.14);
      color:rgba(31,41,55,.92);
    }
    .btn-ghost:hover{transform: translateY(-1px); box-shadow: 0 12px 24px rgba(18,24,40,.08)}
    .kbd{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:28px;
      height:24px;
      padding:0 8px;
      border-radius:10px;
      border:1px solid rgba(17,24,39,.14);
      background: rgba(255,255,255,.6);
      color:rgba(31,41,55,.86);
      font-size:12px;
      font-weight:900;
    }
    .hero-card{
      background: rgba(255,255,255,.64);
      border:1px solid rgba(17,24,39,.10);
      border-radius:18px;
      padding:14px;
      box-shadow: 0 10px 22px rgba(18,24,40,.06);
      overflow:hidden;
    }
    .hero-card .top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .hero-card h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(139,144,153,.14);
      border:1px solid rgba(139,144,153,.22);
      color:rgba(31,41,55,.86);
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }
    .hero-card .list{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:10px;
    }
    .mini{
      border-radius:16px;
      padding:12px 12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.58);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .mini:hover{
      transform: translateY(-2px);
      border-color: rgba(176,138,58,.28);
      box-shadow: 0 14px 28px rgba(176,138,58,.10);
    }
    .mini .t{
      font-weight:1000;
      letter-spacing:.1px;
      font-size:13px;
      margin:0 0 6px 0;
      display:flex; align-items:center; gap:10px;
    }
    .mini .t i{
      width:18px;height:18px;border-radius:7px;
      display:inline-grid; place-items:center;
      background: rgba(176,138,58,.12);
      border:1px solid rgba(176,138,58,.22);
      font-style:normal;
      color: rgba(80,55,10,.95);
      font-weight:1000;
      font-size:12px;
    }
    .mini p{
      margin:0;
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.6;
    }

    main{
      padding:14px 0 0 0;
    }
    .section{
      margin-top:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .section-card{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(18,24,40,.06);
      overflow:hidden;
    }
    .section-inner{
      padding:16px;
    }
    .section h2{
      margin:0 0 10px 0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .toc{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:6px;
    }
    .toc a{
      text-decoration:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.56);
      border:1px solid rgba(17,24,39,.10);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .toc a:hover{
      transform: translateY(-2px);
      border-color: rgba(176,138,58,.28);
      background: rgba(255,255,255,.72);
    }
    .toc .left{
      display:flex;
      flex-direction:column;
      gap:6px;
      min-width:0;
    }
    .toc .k{
      font-size:12px;
      color:rgba(31,41,55,.7);
      font-weight:900;
    }
    .toc .v{
      font-weight:950;
      font-size:14px;
      color:rgba(31,41,55,.92);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 48ch;
    }
    .arrow{
      width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(139,144,153,.14);
      color:rgba(31,41,55,.88);
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    .toc a:hover .arrow{transform: translateX(2px)}

    .steps{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.56);
      transition: transform .2s ease, border-color .2s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(176,138,58,.26);
    }
    .num{
      width:34px;height:34px;border-radius:14px;
      display:grid;place-items:center;
      background: rgba(176,138,58,.12);
      border:1px solid rgba(176,138,58,.24);
      color: rgba(80,55,10,.95);
      font-weight:1000;
      flex:0 0 auto;
    }
    .step h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
    }
    .step p{
      margin:6px 0 0 0;
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.65;
    }

    .compare{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .col{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.56);
      padding:14px;
      overflow:hidden;
      position:relative;
    }
    .col::after{
      content:"";
      position:absolute;
      inset:-1px -1px auto -1px;
      height:56px;
      background:
        radial-gradient(280px 60px at 0% 0%, rgba(176,138,58,.18), transparent 55%),
        radial-gradient(220px 60px at 100% 0%, rgba(139,144,153,.18), transparent 55%);
      pointer-events:none;
    }
    .col > *{position:relative}
    .col h3{
      margin:0 0 8px 0;
      font-size:16px;
      letter-spacing:-.1px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.60);
      color:rgba(31,41,55,.86);
      font-size:12px;
      font-weight:950;
      white-space:nowrap;
    }
    .col ul{
      margin:0;
      padding:0 0 0 18px;
      color:rgba(31,41,55,.82);
      font-size:13px;
      line-height:1.7;
    }
    .col li{margin:6px 0}
    .callout{
      border-radius: var(--radius);
      padding:14px 14px;
      border:1px solid rgba(176,138,58,.24);
      background: linear-gradient(180deg, rgba(176,138,58,.10), rgba(255,255,255,.55));
      display:flex;
      gap:12px;
      align-items:flex-start;
      box-shadow: 0 12px 26px rgba(176,138,58,.08);
    }
    .callout .ico{
      width:38px;height:38px;border-radius:16px;
      display:grid;place-items:center;
      background: rgba(176,138,58,.14);
      border:1px solid rgba(176,138,58,.24);
      color: rgba(80,55,10,.95);
      font-weight:1000;
      flex:0 0 auto;
    }
    .callout strong{display:block; font-size:15px; margin-bottom:6px}
    .callout p{
      margin:0;
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.7;
    }

    .faq{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    details.faq-item{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.56);
      overflow:hidden;
      transition: border-color .2s ease, transform .2s ease;
    }
    details.faq-item[open]{
      border-color: rgba(176,138,58,.26);
      transform: translateY(-1px);
    }
    summary{
      cursor:pointer;
      padding:12px 12px;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:1000;
      color:rgba(31,41,55,.92);
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color:rgba(31,41,55,.66);
      font-size:12px;
      font-weight:950;
    }
    .chev{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(139,144,153,.14);
      display:grid;place-items:center;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-body{
      padding:0 12px 12px 12px;
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.75;
    }

    .footer{
      margin-top:14px;
      background: rgba(255,255,255,.55);
      border-top:1px solid rgba(17,24,39,.10);
      color:rgba(31,41,55,.92);
    }
    .footer-inner{
      padding:18px 0 16px 0;
    }
    .foot-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .qr-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding:14px;
      box-shadow: 0 10px 26px rgba(18,24,40,.06);
    }
    .qr-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .qr-head h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .qr-meta{
      margin-top:6px;
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.7;
    }
    .qr-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
      align-items:start;
    }
    .qr-item{
      border-radius:16px;
      border:1px dashed rgba(17,24,39,.18);
      background: rgba(243,244,246,.55);
      padding:10px;
    }
    .qr-item img{
      width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      background: rgba(255,255,255,.8);
    }
    .qr-item .cap{
      margin-top:8px;
      font-weight:950;
      color:rgba(31,41,55,.88);
      font-size:13px;
      line-height:1.4;
    }
    .contact-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding:14px;
      box-shadow: 0 10px 26px rgba(18,24,40,.06);
    }
    .contact-card h2{
      margin:0 0 10px 0;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .contact-list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .kv{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.58);
    }
    .kv i{
      width:34px;height:34px;border-radius:14px;
      display:grid;place-items:center;
      border:1px solid rgba(176,138,58,.22);
      background: rgba(176,138,58,.10);
      color: rgba(80,55,10,.95);
      font-style:normal;
      font-weight:1000;
      flex:0 0 auto;
    }
    .kv strong{
      display:block;
      font-size:13px;
      margin-bottom:4px;
      letter-spacing:.1px;
    }
    .kv span{
      color:rgba(31,41,55,.78);
      font-size:13px;
      line-height:1.55;
    }
    .copyright{
      margin-top:14px;
      padding-top:12px;
      border-top:1px solid rgba(17,24,39,.10);
      color:rgba(31,41,55,.70);
      font-size:12px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .inpage-link{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.55);
      font-weight:950;
      transition: transform .2s ease, border-color .2s ease;
      color:rgba(31,41,55,.92);
      margin-top:8px;
    }
    .inpage-link:hover{transform: translateY(-2px); border-color: rgba(176,138,58,.26)}
    .section-title-row{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .section-title-row .subtle{
      color:rgba(31,41,55,.72);
      font-size:13px;
      font-weight:800;
      display:flex; align-items:center; gap:10px;
    }
    .spark{
      width:10px;height:10px;border-radius:50%;
      background: rgba(176,138,58,.9);
      box-shadow: 0 0 0 5px rgba(176,138,58,.12);
    }

    .media{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.60);
      overflow:hidden;
      box-shadow: 0 10px 26px rgba(18,24,40,.06);
    }
    .media .media-inner{
      padding:14px;
    }
    .media .media-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom:10px;
    }
    .media h2{margin:0; font-size:16px; letter-spacing:-.1px}
    .figure{
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(243,244,246,.52);
      padding:10px;
    }
    .figure img{
      width:100%;
      height:auto;
      display:block;
      border-radius:14px;
      background: rgba(255,255,255,.8);
    }
    .figure figcaption{
      margin-top:10px;
      color:rgba(31,41,55,.76);
      font-size:13px;
      line-height:1.6;
      font-weight:800;
    }
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 940px){
      .hero-inner{grid-template-columns: 1fr; }
      h1{font-size:28px}
      .grid-2{grid-template-columns: 1fr}
      .compare{grid-template-columns: 1fr}
      .foot-grid{grid-template-columns: 1fr}
      .qr-row{grid-template-columns: 1fr 1fr}
    }
    @media (max-width: 720px){
      .nav{display:none}
      .menu-btn{display:inline-flex; align-items:center; gap:10px}
      .mobile-panel{display:block}
      .hero-inner{padding:18px 14px}
      .hero-card{padding:12px}
      h1{font-size:24px}
      .qr-row{grid-template-columns: 1fr}
      .topbar-inner{padding:10px 0}
    }
    @media (prefers-reduced-motion: reduce){
      .hero-wrap::before{animation:none}
      .reveal{transition:none}
    }
    .skip{
      position:absolute;
      left:-9999px; top:auto;
      width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:14px; top:14px;
      width:auto; height:auto;
      background:#fff;
      border:2px solid rgba(176,138,58,.35);
      border-radius:14px;
      padding:10px 12px;
      z-index:1000;
    }