:root{
      --bg:#f4f8f5;
      --bg2:#eef7ef;
      --card:#ffffff;
      --text:#173024;
      --muted:#577062;
      --line:#d9e7dd;
      --green:#28c76f;
      --green2:#14b86b;
      --green3:#dff7e9;
      --shadow:0 14px 40px rgba(24, 63, 41, .08);
      --shadow2:0 10px 22px rgba(24, 63, 41, .10);
      --radius:20px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(40,199,111,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(20,184,107,.10), transparent 24%),
        linear-gradient(180deg,var(--bg),#fff 42%,var(--bg2));
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(244,248,245,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,231,221,.75)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand b{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .top-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .top-links a{font-size:14px;color:var(--muted)}
    .top-links a:hover{color:var(--green2)}
    .primary-btn,.ghost-btn,.mini-btn,.submit-btn,.float-btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:.24s ease;cursor:pointer
    }
    .primary-btn,.submit-btn,.float-btn{background:linear-gradient(135deg,var(--green),var(--green2));color:#fff;border:0;box-shadow:0 10px 22px rgba(20,184,107,.22)}
    .primary-btn:hover,.submit-btn:hover,.float-btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(20,184,107,.28)}
    .ghost-btn,.mini-btn{border:1px solid rgba(40,199,111,.25);background:#fff;color:var(--green2)}
    .ghost-btn:hover,.mini-btn:hover{background:var(--green3)}
    .hero{padding:34px 0 16px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.compare-wrap,.form-wrap,.timeline,.price-box,.tag-box,.contact-box{
      background:rgba(255,255,255,.88);border:1px solid rgba(217,231,221,.9);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{padding:28px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:rgba(40,199,111,.10);filter:blur(4px)}
    .hero-main:before{width:220px;height:220px;right:-70px;top:-60px}
    .hero-main:after{width:140px;height:140px;right:70px;bottom:-50px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--green3);color:var(--green2);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:14px 0 14px;font-size:clamp(32px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:56ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 16px}
    .hero-points{display:flex;gap:10px;flex-wrap:wrap}
    .pill{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#355043;font-size:13px}
    .hero-side{padding:18px;display:grid;gap:14px}
    .hero-stat{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,var(--green3));border:1px solid rgba(40,199,111,.14)}
    .hero-stat strong{display:block;font-size:24px}
    .hero-stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.6}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
    .stat-card,.service-card,.case-card,.review,.article,.faq-item,.panel,.compare-wrap,.form-wrap,.tag-box,.price-box,.timeline,.contact-box{padding:20px}
    .stat-card h3,.service-card h3,.case-card h3,.article h3{margin:0 0 8px;font-size:16px}
    .stat-card p,.service-card p,.case-card p,.article p,.review p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .section{padding:18px 0 0}
    .section-head{display:flex;justify-content:space-between;gap:14px;align-items:end;margin:0 0 14px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service-card{position:relative;overflow:hidden}
    .service-card:after{content:"";position:absolute;inset:auto -10px -10px auto;width:84px;height:84px;background:radial-gradient(circle, rgba(40,199,111,.18), transparent 70%)}
    .badge{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--green3);color:var(--green2);font-size:12px;font-weight:700;margin-bottom:10px}
    .bullets{padding-left:18px;margin:12px 0 0;color:var(--text)}
    .bullets li{margin:8px 0;color:var(--muted);line-height:1.65}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .panel .list-compact{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
    .mini-box{padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .mini-box b{display:block;margin-bottom:4px}
    .mini-box span{color:var(--muted);font-size:13px;line-height:1.55}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fcf8);border:1px solid var(--line)}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:var(--green2);color:#fff;font-weight:800;margin-bottom:12px}
    .step h3{margin:0 0 8px}
    .compare-wrap{overflow:hidden}
    table{width:100%;border-collapse:collapse}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px}
    th{background:#f7fbf8;font-size:13px;color:#345243}
    .highlight{color:var(--green2);font-weight:800}
    .scroll-x{overflow:auto}
    .scroll-x table{min-width:880px}
    .tag-cloud,.article-list,.reviews,.case-grid,.timeline-grid{display:grid;gap:16px}
    .tag-cloud{grid-template-columns:repeat(4,1fr)}
    .tag{padding:14px;border-radius:16px;border:1px dashed rgba(40,199,111,.32);background:#fff}
    .tag b{display:block;margin-bottom:6px}
    .tag span{color:var(--muted);font-size:13px;line-height:1.55}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff}
    .price .v{font-size:26px;font-weight:900;color:var(--green2)}
    .price ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:#fff;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:15px;color:var(--text);text-align:left;font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;border-top:1px solid transparent}
    .faq-a p{margin:0;padding:0 20px;color:var(--muted);line-height:1.75}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px;border-top-color:var(--line)}
    .faq-item.open .faq-q{background:#f8fcf9}
    .reviews{grid-template-columns:repeat(3,1fr)}
    .review .who{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .stars{color:#ffb400;letter-spacing:2px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article .meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
    .article .meta span{font-size:12px;padding:6px 10px;border-radius:999px;background:#f5faf6;color:#496154}
    .form-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    form{display:grid;gap:12px}
    .fields{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;
      color:var(--text);font:inherit;outline:none;transition:border-color .2s,box-shadow .2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(40,199,111,.55);box-shadow:0 0 0 4px rgba(40,199,111,.12)}
    .form-side{display:grid;gap:12px}
    .contact-box{background:linear-gradient(180deg,#fff,#f7fcf8)}
    .contact-qr{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .contact-qr img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .footer{margin-top:22px;padding:22px 0 26px;border-top:1px solid rgba(217,231,221,.9);background:rgba(245,249,246,.9)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .footer a{color:#355043}
    .footer a:hover{color:var(--green2)}
    .footer small,.footer p{color:var(--muted);line-height:1.7}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:54px;height:54px;border-radius:18px}
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .floating-service{
      position:fixed;left:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating-service .mini-btn{padding:12px 14px;border-radius:14px}
    .marquee-tags{display:flex;flex-wrap:wrap;gap:10px}
    .timeline-grid{grid-template-columns:repeat(4,1fr)}
    .timeline-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline-item b{display:block;margin-bottom:8px}
    .timeline-item p{margin:0;color:var(--muted);line-height:1.65;font-size:14px}
    .center{text-align:center}
    .kicker{font-size:13px;color:var(--green2);font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .stack{display:grid;gap:12px}
    .subtle{color:var(--muted)}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.services,.split,.form-wrap,.footer-grid,.reviews,.articles,.price-grid,.timeline-grid,.grid-4,.steps,.tag-cloud{grid-template-columns:1fr 1fr}
      .hero-main{grid-column:1 / -1}
      .hero-side{grid-column:1 / -1}
      .section-head{flex-direction:column;align-items:start}
      .top-links{display:none}
      .menu-btn{display:inline-flex}
      .top-links.open{
        display:flex;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:flex-start;
        background:#fff;padding:14px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow2)
      }
      .nav{position:relative}
    }
    @media (max-width: 720px){
      .container{width:min(var(--max),calc(100% - 20px))}
      .hero{padding-top:18px}
      .hero-main,.hero-side,.stat-card,.service-card,.case-card,.review,.article,.faq-item,.panel,.compare-wrap,.form-wrap,.tag-box,.price-box,.timeline,.contact-box{padding:16px}
      .hero-actions{flex-direction:column}
      .hero-actions a,.hero-actions button{width:100%}
      .grid-4,.services,.split,.steps,.reviews,.articles,.price-grid,.timeline-grid,.tag-cloud,.footer-grid,.form-wrap,.fields,.contact-qr{grid-template-columns:1fr}
      .panel .list-compact{grid-template-columns:1fr}
      h1{font-size:30px}
      .section-head h2{font-size:24px}
      .mobile-only{display:block}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
    .reveal.show{opacity:1;transform:none}