:root{
      --bg:#f6fbf3;
      --surface:#ffffff;
      --text:#1f2937;
      --muted:#5b6b57;
      --brand:#1f8a4c;
      --brand2:#7bbf5a;
      --line:#e6efe2;
      --shadow: 0 18px 40px rgba(18, 35, 25, .10);
      --shadow2: 0 10px 22px rgba(18, 35, 25, .10);
      --radius:16px;
      --radius2:22px;
      --focus: 0 0 0 3px rgba(31, 138, 76, .25);
      --max: 1120px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 12% 0%, rgba(123,191,90,.20), transparent 55%),
        radial-gradient(780px 460px at 90% 10%, rgba(31,138,76,.16), transparent 50%),
        linear-gradient(180deg, #f7fcf4 0%, #f6fbf3 45%, #f7fbf6 100%);
    }
    a{color:inherit}
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto; z-index:9999;
      background:var(--surface); padding:10px 12px; border-radius:12px; box-shadow:var(--shadow2);
      outline:none;
    }

    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(246, 251, 243, .72);
      border-bottom:1px solid rgba(230,239,226,.85);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px;
      min-width:120px;
    }
    .logo{
      width:44px; height:44px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(31,138,76,.18), rgba(123,191,90,.35));
      border:1px solid rgba(31,138,76,.25);
      display:grid; place-items:center;
      box-shadow: 0 10px 18px rgba(31,138,76,.10);
    }
    .logo span{
      font-weight:900;
      color:var(--brand);
      font-size:20px;
      letter-spacing:.02em;
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.02em;
    }
    .brand-title em{
      font-style:normal;
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
    }

    nav ul{
      list-style:none; padding:0; margin:0;
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    nav a{
      text-decoration:none;
      color:#2a3a2a;
      font-size:13px;
      padding:10px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    nav a:hover{
      background: rgba(31,138,76,.08);
      border-color: rgba(31,138,76,.15);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px; margin-left:6px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.18);
      background: rgba(255,255,255,.65);
      color:#12311f;
      text-decoration:none;
      font-weight:700;
      font-size:13px;
      box-shadow: 0 8px 18px rgba(18, 35, 25, .08);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      touch-action: manipulation;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 24px rgba(18, 35, 25, .12);
      border-color: rgba(31,138,76,.30);
      background: rgba(255,255,255,.86);
    }
    .btn:focus{outline:none; box-shadow:var(--shadow2), var(--focus)}
    .btn-primary{
      background: linear-gradient(180deg, rgba(31,138,76,.96), rgba(23,118,62,.96));
      border-color: rgba(31,138,76,.42);
      color:white;
      box-shadow: 0 14px 26px rgba(31,138,76,.22);
    }
    .btn-primary:hover{
      background: linear-gradient(180deg, rgba(31,138,76,1), rgba(22,112,58,1));
      box-shadow: 0 18px 32px rgba(31,138,76,.26);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.18);
      background: rgba(255,255,255,.65);
      box-shadow: 0 8px 18px rgba(18, 35, 25, .08);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .mobile-toggle:hover{
      transform: translateY(-1px);
      border-color: rgba(31,138,76,.30);
      background: rgba(255,255,255,.86);
    }
    .mobile-toggle:focus{outline:none; box-shadow:var(--shadow2), var(--focus)}
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0; height:2px;
      background:#1f8a4c; border-radius:2px;
      transition: transform .22s ease, top .22s ease, opacity .18s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-menu{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-menu a{
      display:flex;
      padding:12px 12px;
      margin:8px 0;
      border-radius:14px;
      text-decoration:none;
      border:1px solid rgba(31,138,76,.12);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 20px rgba(18,35,25,.06);
      font-size:14px;
      color:#183322;
    }

    main{padding:18px 0 10px}
    .hero{
      padding:22px 0 14px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      background:
        radial-gradient(700px 340px at 15% 0%, rgba(123,191,90,.22), transparent 60%),
        radial-gradient(520px 260px at 95% 10%, rgba(31,138,76,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.52));
      border:1px solid rgba(230,239,226,.95);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .hero-left::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(14px 14px at 18% 22%, rgba(31,138,76,.22), transparent 60%),
        radial-gradient(18px 18px at 72% 30%, rgba(123,191,90,.25), transparent 62%),
        radial-gradient(12px 12px at 35% 72%, rgba(31,138,76,.20), transparent 60%);
      pointer-events:none;
      opacity:.75;
    }
    .hero-kicker{
      position:relative;
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,138,76,.18);
      background: rgba(255,255,255,.62);
      color:#1a3b27;
      font-weight:700;
      font-size:12px;
    }
    .leaf-dot{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(180deg, rgba(31,138,76,1), rgba(123,191,90,1));
      transform: rotate(18deg);
      box-shadow: 0 10px 18px rgba(31,138,76,.22);
    }
    h1{
      position:relative;
      margin:14px 0 10px;
      font-size:30px;
      letter-spacing:-.02em;
      line-height:1.18;
    }
    .lead{
      position:relative;
      margin:0;
      color:#32473b;
      font-size:14px;
      line-height:1.9;
      max-width:62ch;
    }
    .hero-actions{
      position:relative;
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-top:14px;
    }
    .meta-row{
      position:relative;
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:14px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:9px 11px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.60);
      color:#21402c;
      font-weight:700;
      font-size:12px;
      white-space:nowrap;
      transition: transform .18s ease;
    }
    .pill:hover{transform: translateY(-2px)}
    .pill i{
      width:16px; height:16px; display:inline-grid; place-items:center;
      border-radius:6px;
      background: rgba(31,138,76,.12);
      color: var(--brand);
      font-style:normal;
      font-weight:900;
      font-size:12px;
    }

    .hero-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .panel{
      border-radius: var(--radius2);
      border:1px solid rgba(230,239,226,.95);
      background: rgba(255,255,255,.62);
      box-shadow: 0 14px 30px rgba(18,35,25,.08);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .panel-title{
      display:flex; align-items:flex-start; gap:10px;
    }
    .panel-title h2{
      margin:0;
      font-size:15px;
      line-height:1.3;
      letter-spacing:-.01em;
    }
    .panel-title p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.7;
    }
    .icon-badge{
      width:38px; height:38px;
      border-radius:14px;
      display:grid; place-items:center;
      background: linear-gradient(180deg, rgba(31,138,76,.18), rgba(123,191,90,.28));
      border:1px solid rgba(31,138,76,.18);
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
    }
    .fast-qa{
      margin-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .qa-item{
      padding:11px 12px;
      border-radius:16px;
      border:1px solid rgba(31,138,76,.12);
      background: rgba(255,255,255,.64);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .qa-item:hover{
      transform: translateY(-2px);
      border-color: rgba(31,138,76,.22);
      background: rgba(255,255,255,.82);
    }
    .qa-item strong{
      display:block;
      font-size:13px;
      margin-bottom:6px;
    }
    .qa-item span{
      color:#3a5240;
      font-size:12.5px;
      line-height:1.65;
    }

    .section{
      padding:14px 0 6px;
    }
    .section h2{
      margin:0 0 10px;
      font-size:18px;
      letter-spacing:-.015em;
    }
    .card{
      border-radius: var(--radius2);
      border:1px solid rgba(230,239,226,.95);
      background: rgba(255,255,255,.68);
      box-shadow: 0 12px 26px rgba(18,35,25,.08);
      padding:16px;
    }

    .toc{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-top:10px;
    }
    .toc a{
      text-decoration:none;
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.64);
      font-weight:800;
      font-size:13px;
      color:#1f3e2b;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .toc a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.86);
      border-color: rgba(31,138,76,.26);
    }
    .toc a:focus{outline:none; box-shadow:var(--focus)}
    .toc a em{
      font-style:normal;
      width:18px; height:18px;
      border-radius:7px;
      background: rgba(31,138,76,.12);
      display:grid; place-items:center;
      color: var(--brand);
      font-size:12px;
      font-weight:900;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .sol-list{
      list-style:none; padding:0; margin:0;
      display:flex; flex-direction:column; gap:10px;
    }
    .sol-list li{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border:1px solid rgba(31,138,76,.12);
      background: rgba(255,255,255,.62);
      border-radius:18px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .sol-list li:hover{
      transform: translateY(-2px);
      border-color: rgba(31,138,76,.22);
      background: rgba(255,255,255,.84);
    }
    .step-num{
      width:28px; height:28px;
      border-radius:12px;
      display:grid; place-items:center;
      background: linear-gradient(180deg, rgba(31,138,76,.18), rgba(123,191,90,.26));
      border:1px solid rgba(31,138,76,.18);
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }
    .sol-text strong{
      display:block;
      font-size:13.5px;
      margin-bottom:5px;
      letter-spacing:-.01em;
    }
    .sol-text span{
      color:#3b5240;
      font-size:12.8px;
      line-height:1.7;
    }

    .policy-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.66);
    }
    .policy-table th, .policy-table td{
      padding:12px 12px;
      text-align:left;
      border-bottom:1px solid rgba(31,138,76,.10);
      vertical-align:top;
      font-size:13px;
      line-height:1.6;
    }
    .policy-table th{
      background: rgba(31,138,76,.08);
      color:#17371f;
      font-size:13px;
      letter-spacing:-.01em;
    }
    .policy-table tr:last-child td{border-bottom:none}
    .policy-tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(31,138,76,.18);
      background: rgba(255,255,255,.7);
      font-weight:900;
      color:#1b3b26;
      font-size:12px;
      white-space:nowrap;
    }
    .policy-tag i{
      width:10px; height:10px; border-radius:4px;
      background: rgba(31,138,76,.22);
      border:1px solid rgba(31,138,76,.25);
      display:inline-block;
    }
    .muted{
      color:var(--muted);
      font-size:12.8px;
      line-height:1.7;
      margin:0;
    }
    .note{
      margin-top:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(31,138,76,.12);
      background: rgba(255,255,255,.62);
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .note strong{display:block; font-size:13.5px; margin-bottom:6px}
    .note p{margin:0; color:#3b5240; font-size:12.8px; line-height:1.75}
    .note .spark{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.18);
      background: linear-gradient(180deg, rgba(31,138,76,.18), rgba(123,191,90,.26));
      color: var(--brand);
      display:grid; place-items:center;
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:8px;
    }
    details{
      background: rgba(255,255,255,.62);
      border:1px solid rgba(31,138,76,.12);
      border-radius:18px;
      padding:12px 12px;
      transition: border-color .18s ease, background .18s ease, transform .18s ease;
    }
    details[open]{
      border-color: rgba(31,138,76,.28);
      background: rgba(255,255,255,.86);
    }
    details:hover{
      transform: translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:900;
      color:#1a3521;
      font-size:13.5px;
      letter-spacing:-.01em;
      padding:2px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:22px; height:22px;
      border-radius:9px;
      border:1px solid rgba(31,138,76,.18);
      background: rgba(31,138,76,.08);
      display:grid; place-items:center;
      color: var(--brand);
      flex:0 0 auto;
      transition: transform .2s ease;
      margin-top:1px;
    }
    details[open] .chev{transform: rotate(180deg)}
    details .faq-body{
      margin-top:10px;
      color:#3b5240;
      font-size:12.8px;
      line-height:1.8;
    }
    .faq-body ul{
      margin:8px 0 0; padding:0 0 0 18px;
      color:#3b5240;
    }
    .faq-body li{margin:6px 0}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .contact-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:stretch;
    }
    .contact-card{
      border-radius: var(--radius2);
      border:1px solid rgba(230,239,226,.95);
      background: rgba(255,255,255,.68);
      box-shadow: 0 12px 26px rgba(18,35,25,.08);
      padding:16px;
    }
    .contact-rows{
      display:flex; flex-direction:column; gap:10px;
      margin-top:8px;
    }
    .row{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(31,138,76,.12);
      background: rgba(255,255,255,.62);
    }
    .row .r-ic{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(31,138,76,.08);
      border:1px solid rgba(31,138,76,.16);
      color: var(--brand);
      display:grid; place-items:center;
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }
    .row strong{
      display:block;
      font-size:13.5px;
      margin-bottom:6px;
      letter-spacing:-.01em;
    }
    .row span, .row a{
      color:#3b5240;
      font-size:12.8px;
      line-height:1.7;
      text-decoration:none;
    }
    .qr-wrap{
      display:flex; flex-direction:column; gap:10px;
    }
    .qr-img{
      width:100%;
      border-radius:18px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.70);
      padding:12px;
      display:flex; flex-direction:column; align-items:center; gap:10px;
    }
    .qr-img img{
      width:160px;
      max-width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      box-shadow: 0 14px 24px rgba(18,35,25,.10);
      background:#fff;
    }
    .qr-caption{
      text-align:center;
      color:#2f3f33;
      font-weight:900;
      font-size:13px;
      line-height:1.4;
    }
    .qr-link{
      display:flex; flex-direction:column; gap:8px;
    }
    .qr-link a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.62);
      font-weight:900;
      color:#16351e;
      font-size:13px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .qr-link a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.86);
      border-color: rgba(31,138,76,.24);
    }

    .inline-links{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .inline-links a{
      text-decoration:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.14);
      background: rgba(255,255,255,.62);
      font-weight:900;
      color:#17381f;
      font-size:13px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .inline-links a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.86);
      border-color: rgba(31,138,76,.24);
    }

    .footer{
      margin-top:18px;
      background: #eaf7e4;
      border-top:1px solid rgba(31,138,76,.14);
      padding:14px 0 18px;
      color:#16351e;
    }
    .footer-wrap{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      flex-wrap:wrap;
    }
    .foot-left{
      display:flex; flex-direction:column; gap:8px;
      min-width:240px;
    }
    .foot-left .small{
      font-size:12.8px;
      color:#2d4a34;
      line-height:1.7;
      margin:0;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center; justify-content:flex-end;
    }
    .foot-links a{
      text-decoration:none;
      padding:9px 11px;
      border-radius:14px;
      border:1px solid rgba(31,138,76,.16);
      background: rgba(255,255,255,.62);
      font-weight:900;
      font-size:12.8px;
      color:#16351e;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.86);
      border-color: rgba(31,138,76,.26);
    }
    .copyright{
      width:100%;
      margin-top:10px;
      padding-top:10px;
      border-top:1px dashed rgba(31,138,76,.18);
      font-size:12.5px;
      color:#2d4a34;
      display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }

    .toast{
      position:fixed; left:50%; bottom:18px;
      transform: translateX(-50%);
      background: rgba(18, 35, 25, .92);
      color:#ecfff0;
      padding:10px 12px;
      border-radius:14px;
      box-shadow: 0 18px 40px rgba(0,0,0,.25);
      font-size:13px;
      display:flex; gap:10px; align-items:flex-start;
      max-width: calc(100vw - 28px);
      opacity:0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
    }
    .toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-2px);
    }
    .toast b{font-size:13.5px}
    .toast .t-dot{
      width:10px; height:10px;
      border-radius:4px;
      background: linear-gradient(180deg, rgba(123,191,90,1), rgba(31,138,76,1));
      margin-top:4px;
      flex:0 0 auto;
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .45s ease, transform .45s ease;
    }
    .reveal.on{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      h1{font-size:28px}
      .hero-left{padding:18px}
      .hero-right{flex-direction:row; flex-wrap:wrap}
      .panel{flex:1 1 320px}
      .faq{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .contact-grid{grid-template-columns:1fr}
      nav{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu{display:none}
      .mobile-menu.open{display:block}
      .nav-wrap{padding:10px 0}
    }

    @media (prefers-reduced-motion: reduce){
      .reveal{transition:none}
      .btn,.pill,.qa-item,.sol-list li,.toc a,details,nav a{transition:none}
      .toast{transition:none}
    }