:root{--bg:#f7fbf6;--bg2:#eef8ec;--card:#ffffff;--line:#dbe8d8;--text:#16301b;--muted:#5f7161;--green:#17b35a;--green2:#6be082;--green3:#0f8c45;--shadow:0 18px 40px rgba(14,73,33,.08);--radius:20px;--container:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,var(--bg),#fff 38%,var(--bg2) 100%);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}
    .container{max-width:var(--container);margin:0 auto;padding:0 18px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,251,246,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(219,232,216,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;letter-spacing:.2px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#27412c;padding:8px 10px;border-radius:10px;transition:.25s}
    .nav-links a:hover{background:#e8f6e9;color:#0f6f35}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--green),#32c96f);color:#fff;box-shadow:0 14px 28px rgba(23,179,90,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(23,179,90,.28)}
    .btn-ghost{background:#fff;color:#114223;border:1px solid var(--line)}
    .btn-ghost:hover{border-color:#b9d6bb;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .menu-toggle span{display:block;width:18px;height:2px;background:#26402a;margin:4px auto;border-radius:2px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.form-wrap,.timeline,.pricing,.compare,.showcase{background:var(--card);border:1px solid rgba(219,232,216,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(107,224,130,.35),rgba(107,224,130,0) 65%);pointer-events:none}
    .hero-main:before{width:280px;height:280px;right:-80px;top:-80px}
    .hero-main:after{width:180px;height:180px;right:20px;bottom:-60px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#e7f7eb;color:#16723d;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.5px}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini-stat{padding:16px;border-radius:16px;background:linear-gradient(180deg,#f7fff8,#eef9ef);border:1px solid #d8e9d9}
    .mini-stat strong{display:block;font-size:22px;color:#0f7b3c}
    .mini-stat span{font-size:13px;color:var(--muted)}
    .hero-side{padding:20px;display:grid;gap:14px}
    .side-top{padding:18px;border-radius:18px;background:linear-gradient(180deg,#f5fff6,#edf7ee);border:1px solid #dbe8d8}
    .side-top h2{margin:0 0 8px;font-size:18px}
    .logo-row{display:flex;align-items:center;gap:12px}
    .logo-row .ai-page-logo{width:66px;height:66px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px}
    .chip-wrap{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .chip{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;color:#285032}
    .quick-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .quick-links a{padding:13px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:14px;color:#21402a;transition:.25s}
    .quick-links a:hover{transform:translateY(-2px);border-color:#a7d6af;box-shadow:0 10px 22px rgba(23,179,90,.08)}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{padding:18px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p,.card li,.article p,.review p,.panel p,.timeline p{margin:0;color:var(--muted)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e8fbe9,#d3f2d8);color:#0d7b3a;font-weight:900}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .panel{padding:22px}
    .panel ul{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .panel li{padding-left:18px;position:relative}
    .panel li:before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;background:var(--green)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;position:relative}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;background:#e8f8ea;color:#11723a;align-items:center;justify-content:center;font-weight:800}
    .step h3{margin:12px 0 8px}
    .compare-wrap{overflow-x:auto}
    table{width:100%;border-collapse:separate;border-spacing:0}
    th,td{padding:14px 12px;border-bottom:1px solid #e3eee1;text-align:left;vertical-align:top;font-size:14px}
    th{background:#eff9ef;color:#17371d;white-space:nowrap}
    tr:hover td{background:#f8fcf8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#294633;font-size:13px}
    .timeline{padding:18px}
    .timeline-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:8px}
    .timeline-item{padding:14px;border-radius:16px;background:#fbfefb;border:1px solid #dce8db}
    .pricing{padding:18px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .price{padding:18px;border-radius:18px;border:1px solid #dbe8d8;background:linear-gradient(180deg,#fff,#f7fcf7)}
    .price strong{font-size:24px;color:#11723a}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:#fff;border:0;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:left;color:#18341e;font-weight:700;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review{padding:18px}
    .stars{color:#17b35a;font-size:18px;letter-spacing:2px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{padding:18px}
    .article a{display:inline-block;margin-top:10px;color:#0f7b3c;font-weight:700}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .full{grid-column:1/-1}
    label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:#25412b}
    input,select,textarea{width:100%;border:1px solid #d8e6d6;border-radius:14px;background:#fff;padding:13px 14px;color:var(--text);outline:none;transition:.25s}
    input:focus,select:focus,textarea:focus{border-color:#75c986;box-shadow:0 0 0 4px rgba(23,179,90,.08)}
    textarea{min-height:120px;resize:vertical}
    .footer{padding:18px 0 28px;margin-top:8px;background:#edf7ee;border-top:1px solid #d8e5d7;color:#234128}
    .footer a{color:#124f2c}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer small{color:#48614c}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,var(--green),#3fd874);color:#fff;display:grid;place-items:center;box-shadow:0 14px 24px rgba(23,179,90,.28)}
    .float-btn.secondary{background:#fff;color:#136f37;border:1px solid var(--line)}
    .mobile-nav{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .hero-surface{display:grid;gap:12px}
    .contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:14px}
    .center{text-align:center}
    .note{font-size:13px;color:var(--muted)}
    @media (max-width: 1024px){
      .hero-grid,.split,.footer-grid,.contact-grid,.reviews,.articles,.grid-4,.steps,.timeline-grid,.price-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .mobile-nav{display:none;padding:0 0 16px}
      .mobile-nav.open{display:block}
      .mobile-nav .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
      .hero-grid,.split,.footer-grid,.contact-grid,.reviews,.articles,.grid-4,.steps,.timeline-grid,.price-grid,form{grid-template-columns:1fr}
      .hero-main{padding:22px}.hero-side{padding:16px}
      .section-head{flex-direction:column;align-items:flex-start}
      h1{font-size:32px}
      .quick-links{grid-template-columns:1fr}
      .brand span{display:none}
    }