:root {
      color-scheme: light;
      --ink: #182321;
      --muted: #586662;
      --paper: #f8faf7;
      --white: #fff;
      --line: #dce5df;
      --green: #b8ff45;
      --green-dark: #25543b;
      --cyan: #57e5cf;
      --orange: #ff9c65;
      --container: 1160px;
    }
    * { 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, summary { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; z-index: 20; top: 0; background: rgba(248,250,247,.94);
      border-bottom: 1px solid rgba(220,229,223,.9); backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .brand img { width: 38px; max-height: 38px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 10px 11px; color: #36443f; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: #14754e; }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: white; color: var(--ink); border-radius: 5px; cursor: pointer; }
    .button {
      display: inline-flex; justify-content: center; align-items: center; gap: 8px;
      min-height: 46px; padding: 0 19px; border: 1px solid transparent; border-radius: 4px;
      background: var(--green); color: #172318; font-weight: 750; transition: transform .2s, box-shadow .2s, background .2s;
    }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(51,94,48,.16); }
    .button-dark { background: #19372c; color: white; }
    .button-outline { border-color: #afbeb5; background: transparent; color: var(--ink); }
    .hero {
      position: relative; overflow: hidden; padding: 78px 0 58px;
      background: linear-gradient(118deg, #f5faf1 0%, #f3fbf7 54%, #edfaf6 100%);
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      content: ""; position: absolute; right: max(4%, calc((100vw - var(--container))/2));
      top: 70px; width: 310px; aspect-ratio: 1; border: 1px solid rgba(32,111,79,.16);
      border-radius: 50%; box-shadow: 0 0 0 26px rgba(87,229,207,.07), 0 0 0 54px rgba(184,255,69,.07);
      animation: orbit 18s linear infinite; pointer-events: none;
    }
    .hero::after {
      content: ""; position: absolute; right: 13%; top: 155px; width: 15px; height: 15px;
      background: var(--green); border-radius: 50%; box-shadow: 0 0 26px rgba(104,190,69,.55);
      animation: pulse 2.8s ease-in-out infinite;
    }
    .hero-content { position: relative; z-index: 1; max-width: 760px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #32604a; font-weight: 750; font-size: 13px; }
    .eyebrow::before { content: ""; width: 23px; height: 2px; background: #74c840; }
    h1 { max-width: 700px; margin: 17px 0 18px; font-size: clamp(40px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero h1 span { color: #2e7551; }
    .hero-copy { max-width: 620px; margin: 0; color: #475650; font-size: 17px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 27px; }
    .hero-note { margin-top: 19px; color: #68756f; font-size: 13px; }
    .hero-note strong { color: #2f5d42; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid #d8e5dc; }
    .metric { padding: 18px 18px 0 0; }
    .metric strong { display: block; font-size: 20px; line-height: 1.25; }
    .metric span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: #eef5ef; border-block: 1px solid #e1e9e2; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 30px; }
    .section-kicker { color: #398056; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    h2 { margin: 6px 0 0; font-size: clamp(27px, 4vw, 38px); line-height: 1.2; letter-spacing: 0; }
    .section-head p { max-width: 520px; margin: 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: start; }
    .intro-copy { max-width: 680px; color: #485650; }
    .intro-copy p { margin: 0 0 16px; }
    .capability-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
    .capability-list div { padding: 15px 14px 15px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; font-size: 14px; }
    .capability-list span { color: var(--muted); font-size: 12px; }
    .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .service { min-height: 150px; padding: 21px; background: var(--white); transition: background .2s, transform .2s; }
    .service:hover { position: relative; z-index: 1; background: #f2ffe8; transform: translateY(-3px); }
    .service-index { color: #69927a; font-size: 11px; font-weight: 800; }
    .service h3 { margin: 8px 0 6px; font-size: 17px; }
    .service p { margin: 0; color: var(--muted); font-size: 13px; }
    .model-band { margin-top: 30px; padding: 22px 24px; background: #19372c; color: white; }
    .model-band h3 { margin: 0 0 12px; font-size: 15px; }
    .tag-list { display: flex; gap: 8px; flex-wrap: wrap; }
    .tag { padding: 5px 9px; border: 1px solid rgba(255,255,255,.23); color: #e9f3ec; font-size: 12px; }
    .production-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 44px; align-items: start; }
    .production-copy { color: var(--muted); }
    .production-copy p { margin-top: 0; }
    .steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
    .steps li { display: grid; grid-template-columns: 45px 1fr; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
    .step-no { color: #348050; font-size: 13px; font-weight: 800; }
    .steps strong { display: block; }
    .steps span:last-child { color: var(--muted); font-size: 13px; }
    .solution-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 24px; }
    .solution { padding: 17px 0; border-top: 1px solid #d6e2d9; }
    .solution h3 { margin: 0 0 5px; font-size: 15px; }
    .solution p { margin: 0; color: var(--muted); font-size: 13px; }
    .network-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
    .network-copy p { color: var(--muted); }
    .network-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-top: 20px; }
    .network-points span { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .network-map { min-height: 210px; display: grid; place-items: center; padding: 25px; background: #e9f3eb; border: 1px solid #cfdfd2; }
    .network-map-inner { width: 100%; padding: 25px; border: 1px dashed #8caf96; text-align: center; }
    .network-map strong { display: block; color: #265c3c; font-size: 20px; }
    .network-map p { margin: 6px 0 0; color: #566a5d; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .case { background: #fff; border-bottom: 3px solid #bbf34f; }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .case-body { padding: 16px 18px 19px; }
    .case-body span { color: #40835b; font-size: 12px; font-weight: 700; }
    .case-body h3 { margin: 4px 0; 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: 0 24px; }
    .review { padding: 20px 0; border-top: 1px solid #cfded3; }
    .stars { color: #558a33; letter-spacing: 0; font-size: 13px; }
    .review p { margin: 9px 0 12px; color: #43514a; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review small { color: var(--muted); }
    .rating-band { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; padding: 23px 26px; background: #19372c; color: white; }
    .rating-band h3 { margin: 0; font-size: 20px; }
    .rating-band p { margin: 3px 0 0; color: #d4e5d9; font-size: 13px; }
    .rating-score { color: var(--green); font-size: 35px; font-weight: 850; white-space: nowrap; }
    .rating-score small { color: white; font-size: 13px; font-weight: 500; }
    .table-wrap { overflow-x: auto; background: white; }
    table { width: 100%; border-collapse: collapse; text-align: left; min-width: 680px; }
    th, td { padding: 14px 16px; border-bottom: 1px solid #e2e9e4; vertical-align: top; }
    th { background: #edf4ee; font-size: 13px; }
    td { color: #47544d; font-size: 13px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .match-form { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .field { display: grid; gap: 6px; }
    .field label { font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea {
      width: 100%; padding: 11px 12px; border: 1px solid #cbd7ce; border-radius: 3px; background: #fff; color: var(--ink);
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field-full { grid-column: 1 / -1; }
    .form-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 56px; align-items: start; }
    .form-copy p { color: var(--muted); }
    .form-copy .contact-line { display: block; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { display: flex; justify-content: space-between; gap: 18px; padding: 16px 0; cursor: pointer; list-style: none; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; color: #347c4e; font-size: 20px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: 0; padding: 0 34px 17px 0; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 76px; display: flex; align-items: center; padding: 13px; border-top: 2px solid #b6ea5b; background: white; font-size: 13px; font-weight: 700; transition: transform .2s; }
    .article-link:hover { transform: translateY(-3px); }
    .footer { padding: 35px 0 24px; background: #e9f0ea; color: #22352b; border-top: 1px solid #d5e0d7; }
    .footer-main { display: flex; justify-content: space-between; gap: 30px; align-items: start; }
    .footer-brand { max-width: 430px; }
    .footer-brand p { margin: 10px 0 0; color: #526259; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; max-width: 560px; justify-content: flex-end; font-size: 13px; }
    .footer-links a { color: #30493b; text-decoration: underline; text-decoration-color: #a9bbae; text-underline-offset: 3px; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 15px; margin-top: 25px; padding-top: 15px; border-top: 1px solid #d0dbd2; color: #59675e; font-size: 12px; }
    .float-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; }
    .float-contact a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 15px; background: #19372c; color: white; box-shadow: 0 6px 24px rgba(18,47,31,.2); font-size: 13px; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: none; }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @keyframes pulse { 50% { transform: scale(1.3); opacity: .65; } }
    @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) {
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-row { position: relative; }
      .nav-links { display: none; position: absolute; top: calc(100% + 1px); left: -20px; right: -20px; padding: 10px 20px 16px; background: var(--paper); border-bottom: 1px solid var(--line); align-items: stretch; }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { padding: 10px; }
      .nav-actions > .button { display: none; }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .solution-list { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 58px 0 40px; }
      .hero::before { right: -140px; top: 110px; width: 240px; opacity: .7; }
      .hero::after { right: 17%; top: 161px; }
      .hero-copy { font-size: 15px; }
      .metrics { grid-template-columns: repeat(2, 1fr); row-gap: 14px; }
      .metric { padding-top: 14px; }
      .section { padding: 55px 0; }
      .section-head { display: block; }
      .section-head p { margin-top: 12px; }
      .intro-grid, .production-layout, .network-grid, .form-layout { grid-template-columns: 1fr; gap: 25px; }
      .services-grid { grid-template-columns: 1fr; }
      .service { min-height: auto; }
      .solution-list { grid-template-columns: 1fr 1fr; gap: 0 16px; }
      .case-grid, .review-grid { grid-template-columns: 1fr; }
      .case img { aspect-ratio: 16 / 9; }
      .rating-band { align-items: start; flex-direction: column; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .footer-main, .footer-bottom { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
      .match-form { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .float-contact { right: 12px; bottom: 12px; }
      .nav-links.is-open { grid-template-columns: repeat(2, 1fr); }
    }