:root {
      color-scheme: light;
      --ink: #18231f;
      --muted: #65716c;
      --paper: #f7f8f6;
      --white: #fff;
      --line: #dfe6e1;
      --green: #b8fa52;
      --green-dark: #1b642d;
      --teal: #0e8d78;
      --pink: #ff6e87;
      --yellow: #ffd65c;
      --radius: 12px;
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 82px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247, 248, 246, .94);
      border-bottom: 1px solid rgba(24, 35, 31, .1);
      backdrop-filter: blur(14px);
    }
    .nav { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
    .brand img { display: block; width: 42px; height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; font-weight: 800; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #45524c; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--green-dark); }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border: 1px solid var(--ink); border-radius: 6px;
      background: var(--ink); color: #fff; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(24,35,31,.16); }
    .button-lime { background: var(--green); color: #172219; border-color: var(--green); }
    .button-outline { background: transparent; color: var(--ink); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; background: var(--white); color: var(--ink); cursor: pointer; }
    .menu-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 42px; background: #d9ff9b; }
    .hero::before, .hero::after { position: absolute; content: ""; pointer-events: none; }
    .hero::before { width: 370px; height: 370px; right: -70px; top: -140px; border: 1px solid rgba(23,67,34,.24); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.15), 0 0 0 70px rgba(255,255,255,.1); }
    .hero::after { width: 170px; height: 170px; right: 14%; bottom: -125px; border: 1px solid rgba(23,67,34,.25); transform: rotate(30deg); }
    .hero-inner { position: relative; z-index: 1; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #325c38; font-size: 12px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; }
    .eyebrow::before { width: 8px; height: 8px; border-radius: 50%; background: var(--pink); content: ""; box-shadow: 0 0 0 4px rgba(255,110,135,.17); }
    h1 { max-width: 760px; margin: 18px 0 14px; font-size: clamp(42px, 6vw, 74px); line-height: 1.04; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 0; color: #344b3a; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-actions .button { min-height: 50px; padding-inline: 22px; }
    .hero-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 58px; background: rgba(24,35,31,.18); border: 1px solid rgba(24,35,31,.18); }
    .hero-stat { padding: 17px 20px; background: rgba(255,255,255,.45); }
    .hero-stat strong { display: block; font-size: 15px; }
    .hero-stat span { color: #526454; font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: #eef2eb; }
    .section-dark { background: #202c27; color: #f5f8f5; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 690px; }
    .kicker { display: block; margin-bottom: 8px; color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: 1.4px; }
    .section-dark .kicker { color: var(--green); }
    h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.18; letter-spacing: 0; }
    .section-intro { max-width: 690px; margin: 12px 0 0; color: var(--muted); }
    .section-dark .section-intro { color: #bdc9c2; }
    .text-link { color: var(--green-dark); font-weight: 800; white-space: nowrap; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: start; }
    .intro-copy { max-width: 660px; color: #4e5c55; }
    .intro-copy p { margin: 0 0 16px; }
    .capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; border-top: 1px solid var(--line); }
    .capability { padding: 15px 0; border-bottom: 1px solid var(--line); }
    .capability strong { display: block; margin-bottom: 4px; font-size: 14px; }
    .capability span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .service {
      position: relative; min-height: 168px; padding: 20px; overflow: hidden;
      background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .service:hover { transform: translateY(-4px); border-color: #96d64b; box-shadow: 0 12px 28px rgba(35,58,43,.08); }
    .service-index { display: inline-block; margin-bottom: 17px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
    .service h3, .simple-card h3 { margin: 0 0 8px; font-size: 17px; }
    .service p, .simple-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .service .arrow { position: absolute; right: 19px; top: 17px; color: #738078; font-size: 19px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow-item { position: relative; padding: 20px 22px 20px 0; border-top: 2px solid #55645b; }
    .workflow-item::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 20px; color: var(--green); font-size: 13px; font-weight: 800; }
    .workflow-item h3 { margin: 0 0 8px; font-size: 16px; }
    .workflow-item p { max-width: 220px; margin: 0; color: #bdc9c2; font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .simple-card { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
    .simple-card .tag { display: inline-block; margin-bottom: 14px; color: #1c6d5c; font-size: 11px; font-weight: 800; letter-spacing: .8px; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 25px; }
    .network span { padding: 9px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; color: #ecf3ee; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; align-items: start; }
    .case-image { overflow: hidden; background: #e9ede9; border-radius: 8px; }
    .case-image img { display: block; width: 100%; height: auto; }
    .case-caption { padding-top: 13px; }
    .case-caption strong { display: block; font-size: 15px; }
    .case-caption span { color: var(--muted); font-size: 13px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .review { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
    .stars { color: #bb7300; font-size: 13px; letter-spacing: 2px; }
    .review p { min-height: 82px; margin: 12px 0 15px; color: #394740; font-size: 14px; }
    .review cite { color: var(--muted); font-size: 12px; font-style: normal; }
    .score-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 30px; align-items: start; }
    .score-box { padding: 25px; background: #d9ff9b; color: #18231f; border-radius: 8px; }
    .score-box .score { display: block; margin: 4px 0; font-size: 58px; font-weight: 850; line-height: 1; }
    .score-box .stars { color: #446b1d; }
    .score-box p { margin: 10px 0 0; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 590px; text-align: left; }
    th, td { padding: 12px 15px; border-bottom: 1px solid #e7ece8; vertical-align: top; font-size: 13px; }
    th { background: #f0f4ef; color: #36443c; font-size: 12px; }
    td:last-child { color: #17654f; font-weight: 650; }
    tr:last-child td { border-bottom: 0; }
    .token-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .token-note { padding: 20px 22px; border-left: 3px solid var(--pink); background: #fff; color: #4c5952; }
    .token-note strong { display: block; margin-bottom: 6px; color: var(--ink); }
    .token-note p { margin: 0; font-size: 13px; }
    .token-points { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
    .token-points li { display: flex; gap: 12px; align-items: baseline; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
    .token-points li::before { content: "+"; color: var(--teal); font-weight: 900; }
    .article-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { min-height: 120px; display: flex; flex-direction: column; justify-content: space-between; padding: 15px; background: #fff; border: 1px solid var(--line); border-radius: 8px; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-3px); border-color: var(--teal); }
    .article-link span { color: var(--teal); font-size: 11px; font-weight: 800; }
    .article-link strong { font-size: 14px; line-height: 1.45; }
    .faq-list { max-width: 900px; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; font-weight: 750; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; right: 5px; top: 15px; content: "+"; color: var(--teal); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 780px; margin: 0 0 18px; color: var(--muted); font-size: 14px; }
    .form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; align-items: start; }
    .contact-points { display: grid; gap: 12px; margin-top: 24px; }
    .contact-points div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
    .contact-points strong { display: block; font-size: 13px; }
    .contact-points span, .contact-points a { color: var(--muted); font-size: 13px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #cfd8d1; border-radius: 5px; background: #fff; color: var(--ink); outline: none; }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14,141,120,.12); }
    .form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 15px; }
    .form-foot small { color: var(--muted); }
    .qr-row { display: grid; grid-template-columns: 94px 1fr; gap: 15px; align-items: center; margin-top: 20px; }
    .qr-row img { width: 94px; padding: 5px; background: #fff; border: 1px solid var(--line); border-radius: 5px; }
    .qr-row span { color: var(--muted); font-size: 12px; }
    .link-cloud { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 22px 0; border-top: 1px solid var(--line); }
    .link-cloud a { color: #415149; font-size: 13px; }
    .link-cloud a:hover { color: var(--teal); text-decoration: underline; }
    footer { padding: 25px 0 30px; background: #e8ece8; color: #35423b; border-top: 1px solid #d9e0da; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-row p { margin: 0; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 17px; }
    .footer-links a { color: #35423b; font-size: 12px; }
    .floating { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .floating a { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid #d4ded6; border-radius: 50%; background: #fff; color: #1f6248; font-size: 11px; font-weight: 800; box-shadow: 0 5px 18px rgba(20,37,27,.12); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 980px) {
      .nav { gap: 12px; }
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding-inline: 12px; font-size: 12px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .article-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav { min-height: 64px; }
      .menu-toggle { display: block; margin-left: auto; }
      .nav-cta { display: none; }
      .nav-links { position: absolute; top: 63px; left: 0; right: 0; display: none; align-items: stretch; padding: 8px 16px 15px; background: var(--paper); border-bottom: 1px solid var(--line); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 10px 12px; font-size: 14px; }
      .hero { padding: 56px 0 28px; }
      .hero-strip { grid-template-columns: repeat(2, 1fr); margin-top: 38px; }
      .hero-stat { padding: 13px; }
      .section { padding: 58px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; }
      .intro-grid, .token-grid, .form-layout, .score-layout { grid-template-columns: 1fr; gap: 25px; }
      .workflow { grid-template-columns: repeat(2, 1fr); gap: 8px 18px; }
      .workflow-item { padding-right: 5px; }
      .case-grid { grid-template-columns: 1fr 1fr; }
      .case-grid > :first-child { grid-column: 1 / -1; }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .article-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-row { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 480px) {
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions .button { width: 100%; }
      .service-grid, .solution-grid, .review-grid, .capability-list { grid-template-columns: 1fr; }
      .service { min-height: 145px; }
      .workflow { grid-template-columns: 1fr 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .case-grid > :first-child { grid-column: auto; }
      .article-grid { grid-template-columns: 1fr 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field-wide { grid-column: auto; }
      .floating { right: 10px; bottom: 12px; }
      .floating a { width: 43px; height: 43px; }
    }