:root{--bg:#f4f8f2;--panel:#ffffff;--panel2:#eef8eb;--line:#d7e7d1;--text:#1d2a21;--muted:#5a6b61;--brand:#19b64b;--brand2:#56d66f;--accent:#0f8f3f;--shadow:0 18px 45px rgba(19,77,35,.08);--radius:20px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#f8fcf5 0%,#f4f8f2 45%,#eef6ed 100%);color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(244,248,242,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(215,231,209,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:5px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;letter-spacing:.5px}
    .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:#314238;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{background:#e9f7e8;color:#0f7b34}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:700;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(25,182,75,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(25,182,75,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:#21402d}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    main{overflow:hidden}
    .hero{padding:34px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-card,.side-card,.section-card,.faq-item,.review,.case,.article,.price-card,.form-card,.compare-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:30px;position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f4fff2 100%)}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(25,182,75,.16),rgba(25,182,75,0) 70%)}
    .hero-card:before{width:260px;height:260px;right:-90px;top:-70px}.hero-card:after{width:180px;height:180px;left:-40px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#e8f7ea;color:#0f7b34;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .mini-tags span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#335043}
    .hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}
    .metric{background:rgba(255,255,255,.82);border:1px solid rgba(215,231,209,.95);border-radius:18px;padding:16px}
    .metric b{display:block;font-size:24px;color:#0d7a35}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .side-card{padding:22px;background:linear-gradient(180deg,#f6fff3,#ffffff)}
    .side-card h2{margin:0 0 10px;font-size:22px}.side-card p{margin:0 0 14px;color:var(--muted)}
    .side-list{display:grid;gap:10px}.side-list div{padding:12px 14px;border-radius:14px;background:#f7fbf6;border:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;font-size:14px}
    section{padding:18px 0}
    .section-card{padding:24px}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:16px;flex-wrap:wrap}
    .section-head h2{margin:0;font-size:28px}.section-head p{margin:0;color:var(--muted);max-width:72ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fcf7);border:1px solid var(--line);transition:.25s}
    .card:hover,.review:hover,.case:hover,.article:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(19,77,35,.10)}
    .card h3{margin:0 0 8px;font-size:18px}.card p,.card li{color:var(--muted);margin:0}
    .icon{width:42px;height:42px;border-radius:14px;background:#e9f8eb;display:grid;place-items:center;color:#0f8f3f;font-weight:800;margin-bottom:12px}
    .timeline{display:grid;gap:14px}.step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;background:#fbfef9;border:1px solid var(--line)}
    .step em{font-style:normal;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff;border-radius:18px;overflow:hidden}
    th,td{padding:14px 16px;border-bottom:1px solid #e7efe4;text-align:left;vertical-align:top}th{background:#eef9ec;font-size:14px}td{color:#35483d}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}
    .pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e9f7ea;color:#13773a;font-size:12px;font-weight:700}
    .compare-grid{display:grid;grid-template-columns:1fr .9fr;gap:16px;align-items:start}
    .rating-box{padding:20px;border-radius:18px;background:linear-gradient(135deg,#f4fff2,#ffffff);border:1px solid var(--line)}
    .stars{color:#16a34a;font-size:22px;letter-spacing:2px}
    .faq{display:grid;gap:12px}.faq-item{overflow:hidden}
    .faq-q{width:100%;background:transparent;border:0;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:16px;font-weight:700;color:var(--text);cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:220px}
    .reviews,.cases,.articles,.prices,.channels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}.review small{color:var(--muted)}
    .rating{color:#0f8f3f;font-weight:800}
    .article time{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#2d4b3a}
    .form-card form{display:grid;gap:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    input,select,textarea{width:100%;border:1px solid #d9e6d4;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    footer{margin-top:18px;background:#102217;color:#dbe8dd;border-top:1px solid rgba(255,255,255,.08)}
    footer a{color:#8ff0a9}.footer-top{padding:28px 0 18px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer-box{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px}
    .footer-box h3{margin:0 0 10px;color:#fff}.footer-box p,.footer-box li{color:#c9d9cd}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}.footer-links a{padding:8px 10px;background:rgba(255,255,255,.06);border-radius:999px}
    .copyright{padding:14px 0 20px;border-top:1px solid rgba(255,255,255,.08);color:#c3d3c8;font-size:13px}
    .float-bar{position:fixed;right:14px;bottom:14px;z-index:60;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 30px rgba(25,182,75,.24);border:0}
    .float-btn.secondary{background:#fff;color:#173325;border:1px solid var(--line)}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}.reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-wrap,.compare-grid,.footer-grid,.grid-3,.reviews,.cases,.articles,.prices,.channels,.grid-2{grid-template-columns:1fr}
      .nav-links{display:none}.menu-btn{display:inline-flex}.nav-cta .btn-ghost{display:none}
      .mobile-only{display:block}.form-grid{grid-template-columns:1fr}
    }
    .mobile-panel{display:none;padding:0 0 14px}.mobile-panel.open{display:block}
    .mobile-panel .nav-links{display:grid;gap:8px;justify-content:stretch}
    .mobile-panel .nav-links a{background:#fff;border:1px solid var(--line)}