:root {
      color-scheme: light;
      --ink: #182821;
      --muted: #617168;
      --green: #176b4a;
      --green-dark: #105439;
      --lime: #d9f46b;
      --mint: #eaf5e8;
      --paper: #fbfcf8;
      --line: #dfe8de;
      --white: #fff;
      --orange: #f2a654;
      --shadow: 0 18px 48px rgba(31, 77, 51, .09);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background:
        radial-gradient(ellipse at 12% 8%, rgba(218, 244, 107, .20), transparent 32rem),
        linear-gradient(180deg, #fbfcf8 0%, #f7faf4 44%, #fbfcf8 100%);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(251, 252, 248, .94); border-bottom: 1px solid rgba(223, 232, 222, .9); backdrop-filter: blur(14px); }
    .header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; font-weight: 800; letter-spacing: -.03em; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .brand-name { font-size: 18px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: nowrap; }
    .nav-links a { padding: 10px 10px; color: #405248; font-size: 13px; font-weight: 650; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--green); }
    .nav-links .nav-cta { margin-left: 10px; padding: 10px 17px; border-radius: 999px; background: var(--green); color: #fff; }
    .nav-links .nav-cta:hover { color: #fff; background: var(--green-dark); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 12px; padding: 9px 12px; cursor: pointer; }

    .hero { position: relative; overflow: hidden; padding: clamp(72px, 10vw, 128px) 0 66px; }
    .hero::before, .hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; border-radius: 50%; }
    .hero::before { width: 420px; height: 420px; right: -150px; top: 10px; border: 1px solid rgba(23, 107, 74, .15); box-shadow: 0 0 0 40px rgba(23, 107, 74, .035), 0 0 0 82px rgba(23, 107, 74, .025); }
    .hero::after { width: 18px; height: 18px; right: 17%; top: 24%; background: var(--lime); box-shadow: 34px 46px 0 -5px var(--orange), -62px 90px 0 -7px #83c9a1; animation: drift 5s ease-in-out infinite; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(270px, .75fr); gap: 58px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--orange); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 700px; margin: 19px 0 20px; font-size: clamp(42px, 6.2vw, 76px); line-height: 1.08; letter-spacing: -.06em; }
    h1 span { color: var(--green); }
    .hero-copy { max-width: 610px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 29px; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 12px 21px; border: 1px solid transparent; border-radius: 999px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: #fff; background: var(--green); box-shadow: 0 10px 22px rgba(23, 107, 74, .18); }
    .button-primary:hover { background: var(--green-dark); box-shadow: 0 14px 28px rgba(23, 107, 74, .24); }
    .button-secondary { border-color: #cbd9ca; color: var(--ink); background: rgba(255,255,255,.72); }
    .button-secondary:hover { border-color: var(--green); }
    .hero-note { margin: 15px 0 0; color: #748178; font-size: 12px; }
    .hero-panel { position: relative; padding: 26px; border: 1px solid rgba(23, 107, 74, .17); border-radius: 28px 28px 28px 8px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); transform: rotate(1deg); }
    .hero-panel-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
    .hero-panel-top strong { font-size: 14px; }
    .live-mark { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: 11px; font-weight: 750; }
    .live-mark::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #7acb81; box-shadow: 0 0 0 4px rgba(122, 203, 129, .18); }
    .model-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin: 18px 0; }
    .model-chip { padding: 10px 12px; border-radius: 12px; background: #f2f7ed; color: #355344; font-size: 12px; font-weight: 700; }
    .model-chip:nth-child(3n + 2) { background: #fff5e9; color: #805a2a; }
    .panel-foot { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 12px; }
    .panel-foot b { color: var(--ink); }
    .metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 70px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .metric { padding: 22px 20px; }
    .metric + .metric { border-left: 1px solid var(--line); }
    .metric strong { display: block; color: var(--green); font-size: 18px; letter-spacing: -.02em; }
    .metric span { color: var(--muted); font-size: 12px; }

    .section { padding: 86px 0; }
    .section-tint { position: relative; background: linear-gradient(135deg, rgba(234,245,232,.84), rgba(248,250,242,.62)); border-block: 1px solid rgba(223,232,222,.82); }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
    .section-heading h2 { max-width: 650px; margin: 8px 0 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.16; letter-spacing: -.045em; }
    .section-heading p { max-width: 460px; margin: 0; color: var(--muted); }
    .overline { color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .16em; }
    .intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
    .intro-copy { padding: 28px 0 0; }
    .intro-copy h3 { max-width: 400px; margin-bottom: 16px; font-size: 26px; line-height: 1.3; letter-spacing: -.03em; }
    .intro-copy p { color: var(--muted); }
    .intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .intro-point { padding: 20px 18px; border-left: 3px solid var(--lime); background: rgba(255,255,255,.72); }
    .intro-point strong { display: block; margin-bottom: 5px; }
    .intro-point span { color: var(--muted); font-size: 13px; }

    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .service-card { position: relative; padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-card:hover { transform: translateY(-4px); border-color: #b9d4bd; box-shadow: var(--shadow); }
    .service-index { display: inline-block; margin-bottom: 16px; color: #77917e; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
    .service-card h3 { margin-bottom: 8px; font-size: 18px; letter-spacing: -.02em; }
    .service-card p { min-height: 48px; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
    .text-link { color: var(--green); font-size: 13px; font-weight: 800; }
    .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
    .service-extra { margin-top: 26px; padding: 20px 23px; border-radius: 16px; background: #e8f2e5; }
    .service-extra strong { display: block; margin-bottom: 12px; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag { padding: 6px 11px; border: 1px solid #d4e3d1; border-radius: 999px; background: rgba(255,255,255,.67); color: #3e5a48; font-size: 12px; }

    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
    .step { position: relative; padding: 26px 24px 28px 0; }
    .step + .step { padding-left: 24px; border-left: 1px solid var(--line); }
    .step-number { display: inline-grid; width: 36px; height: 36px; place-items: center; margin-bottom: 18px; border-radius: 50%; background: var(--lime); color: var(--ink); font-size: 13px; font-weight: 850; }
    .step h3 { margin-bottom: 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }

    .solution-layout { display: grid; grid-template-columns: 1fr .82fr; gap: 34px; align-items: start; }
    .solution-copy { padding: 5px 0; }
    .solution-copy h3 { margin-bottom: 12px; font-size: 24px; }
    .solution-copy > p { color: var(--muted); }
    .solution-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin: 24px 0 0; padding: 0; list-style: none; }
    .solution-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
    .solution-list li::before { content: "✓"; display: inline-grid; flex: 0 0 21px; height: 21px; place-items: center; border-radius: 50%; background: #e2f0d8; color: var(--green); font-size: 12px; font-weight: 900; }
    .solution-aside { padding: 25px; border-radius: 22px; background: var(--green); color: #fff; }
    .solution-aside h3 { margin-bottom: 9px; font-size: 21px; }
    .solution-aside p { color: #e3eee5; font-size: 14px; }
    .solution-aside .button { margin-top: 7px; background: var(--lime); color: #20341f; }
    .network-row { display: grid; grid-template-columns: 190px 1fr; gap: 22px; padding: 20px 0; border-top: 1px solid var(--line); }
    .network-row:last-child { border-bottom: 1px solid var(--line); }
    .network-row strong { font-size: 15px; }
    .network-row span { color: var(--muted); font-size: 14px; }

    .case-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; align-items: start; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .case-image { overflow: hidden; aspect-ratio: 16 / 10; background: #e9f1e8; }
    .case-image img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
    .case-card:hover .case-image img { transform: scale(1.035); }
    .case-body { padding: 18px 19px 20px; }
    .case-body h3 { margin-bottom: 7px; font-size: 17px; }
    .case-body p { margin: 0; color: var(--muted); font-size: 13px; }

    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.82); }
    .review blockquote { margin: 0 0 17px; color: #394a40; font-size: 14px; }
    .review cite { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; font-style: normal; }
    .review-dot { width: 28px; height: 28px; display: inline-grid; place-items: center; border-radius: 50%; background: #e4f0d9; color: var(--green); font-weight: 800; }

    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .comparison { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; }
    .comparison th, .comparison td { padding: 15px 18px; border-bottom: 1px solid #e8eee6; font-size: 13px; vertical-align: top; }
    .comparison thead th { background: #edf5e8; color: #34483b; font-weight: 800; }
    .comparison tbody tr:last-child td { border-bottom: 0; }
    .comparison td:first-child { width: 22%; color: #415349; font-weight: 750; }
    .comparison td:nth-child(2) { color: var(--green-dark); font-weight: 700; }
    .rating-band { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 19px; padding: 18px 22px; border-radius: 16px; background: var(--green); color: #fff; }
    .rating-band strong { font-size: 19px; }
    .rating-band span { color: #e5f0e7; font-size: 13px; }
    .stars { color: var(--lime); font-size: 19px; letter-spacing: .1em; }

    .match-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
    .match-copy { padding-top: 10px; }
    .match-copy h2 { margin: 9px 0 15px; font-size: clamp(30px, 4vw, 42px); line-height: 1.2; letter-spacing: -.04em; }
    .match-copy p { color: var(--muted); }
    .match-contact { margin-top: 23px; padding-top: 19px; border-top: 1px solid var(--line); }
    .match-contact a { color: var(--green); font-weight: 750; }
    .request-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 25px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 12px 36px rgba(31,77,51,.06); }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { color: #3c4d42; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #d9e3d7; border-radius: 10px; outline: none; background: #fbfcf8; color: var(--ink); padding: 11px 12px; transition: border-color .2s, box-shadow .2s; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #68a77a; box-shadow: 0 0 0 3px rgba(104,167,122,.15); }
    .field textarea { min-height: 112px; resize: vertical; }
    .request-form button { grid-column: 1 / -1; justify-self: start; border: 0; cursor: pointer; }
    .form-note { grid-column: 1 / -1; margin: -7px 0 0; color: #758279; font-size: 11px; }

    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; align-items: start; }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 16px 30px 16px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 13px; color: var(--green); font-size: 21px; font-weight: 500; transition: transform .2s; }
    .faq-list details[open] summary::after { transform: rotate(45deg); }
    .faq-list details p { margin: 0; padding: 0 22px 17px 0; color: var(--muted); font-size: 13px; }

    .articles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { display: flex; min-height: 128px; flex-direction: column; justify-content: space-between; padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.8); transition: transform .2s, border-color .2s; }
    .article-link:hover { transform: translateY(-3px); border-color: #a8c7ac; }
    .article-link span { color: var(--muted); font-size: 11px; }
    .article-link strong { font-size: 14px; line-height: 1.45; }
    .article-link em { color: var(--green); font-size: 12px; font-style: normal; font-weight: 750; }

    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: 29px 32px; border-radius: 22px; background: #e8f2df; }
    .join-band h2 { margin: 0 0 6px; font-size: 24px; }
    .join-band p { margin: 0; color: var(--muted); font-size: 14px; }
    .join-band .button { flex: 0 0 auto; }

    .site-footer { padding: 42px 0 22px; background: #eff4eb; color: #23362b; border-top: 1px solid #dce7da; }
    .footer-main { display: grid; grid-template-columns: 1fr 1.2fr auto; gap: 32px; align-items: start; }
    .footer-brand p { max-width: 320px; margin: 11px 0 0; color: #5e6e62; font-size: 13px; }
    .footer-title { margin-bottom: 10px; font-size: 13px; font-weight: 800; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 15px; }
    .footer-links a, .footer-contact a { color: #42594a; font-size: 12px; }
    .footer-links a:hover, .footer-contact a:hover { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
    .footer-contact p { margin: 4px 0; color: #526457; font-size: 12px; }
    .qr { width: 92px; padding: 5px; border: 1px solid #d8e3d5; border-radius: 10px; background: #fff; }
    .qr img { display: block; width: 100%; height: auto; }
    .copyright { display: flex; justify-content: space-between; gap: 16px; margin-top: 28px; padding-top: 15px; border-top: 1px solid #d9e3d7; color: #66766a; font-size: 11px; }
    .float-actions { position: fixed; right: 18px; bottom: 20px; z-index: 18; display: flex; flex-direction: column; gap: 8px; }
    .float-actions a { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border: 1px solid #d7e3d4; border-radius: 50%; background: #fff; color: var(--green); font-size: 12px; font-weight: 800; box-shadow: 0 8px 22px rgba(24,40,33,.12); transition: transform .2s, background .2s; }
    .float-actions a:hover { transform: translateY(-3px); background: var(--lime); }
    .reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: none; }
    @keyframes drift { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(8px,-10px); } }

    @media (max-width: 980px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-links .nav-cta { margin-left: 5px; padding-inline: 13px; }
      .hero-grid { gap: 34px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .articles { grid-template-columns: repeat(3, 1fr); }
      .footer-main { grid-template-columns: 1fr 1.2fr; }
      .qr { grid-column: 2; }
    }
    @media (max-width: 760px) {
      html { scroll-padding-top: 72px; }
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .brand img { width: 36px; height: 36px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-links { position: absolute; display: none; top: 67px; left: 16px; right: 16px; align-items: stretch; flex-direction: column; gap: 2px; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 11px 12px; font-size: 14px; }
      .nav-links .nav-cta { margin: 4px 0 0; text-align: center; }
      .hero { padding-top: 68px; }
      .hero-grid, .intro-grid, .solution-layout, .match-grid { grid-template-columns: 1fr; }
      .hero-grid { gap: 35px; }
      .hero-panel { max-width: 460px; transform: none; }
      .hero::before { right: -250px; top: 250px; }
      .hero::after { top: 21%; right: 12%; }
      .metric-strip { grid-template-columns: 1fr 1fr; margin-top: 48px; }
      .metric { padding: 16px 10px; }
      .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .metric:nth-child(4) { border-top: 1px solid var(--line); }
      .section { padding: 65px 0; }
      .section-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
      .intro-grid { gap: 22px; }
      .intro-copy { padding-top: 0; }
      .workflow { grid-template-columns: 1fr 1fr; }
      .step { padding: 22px 14px 22px 0; }
      .step + .step { padding-left: 14px; }
      .step:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .case-grid { grid-template-columns: 1fr 1fr; }
      .case-card:first-child { grid-column: 1 / -1; }
      .review-grid { grid-template-columns: 1fr 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .articles { grid-template-columns: 1fr 1fr; }
      .join-band { align-items: flex-start; flex-direction: column; padding: 24px; }
      .footer-main { grid-template-columns: 1fr 1fr; gap: 25px 20px; }
      .footer-brand { grid-column: 1 / -1; }
      .qr { grid-column: auto; }
    }
    @media (max-width: 480px) {
      h1 { font-size: 43px; }
      .hero-copy { font-size: 15px; }
      .hero-panel { padding: 20px; }
      .service-grid, .review-grid, .case-grid { grid-template-columns: 1fr; }
      .case-card:first-child { grid-column: auto; }
      .service-card p { min-height: 0; }
      .intro-points { grid-template-columns: 1fr; }
      .solution-list { grid-template-columns: 1fr; }
      .network-row { grid-template-columns: 1fr; gap: 5px; }
      .request-form { grid-template-columns: 1fr; padding: 19px; }
      .field-full, .request-form button, .form-note { grid-column: auto; }
      .articles { grid-template-columns: 1fr; }
      .article-link { min-height: 105px; }
      .rating-band { align-items: flex-start; flex-direction: column; gap: 7px; }
      .footer-main { grid-template-columns: 1fr; }
      .footer-brand, .qr { grid-column: auto; }
      .copyright { flex-direction: column; gap: 4px; }
      .float-actions { right: 10px; bottom: 12px; }
      .float-actions a { width: 42px; height: 42px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }