:root {
      color-scheme: light;
      --ink: #17251c;
      --muted: #5c6a60;
      --green: #b6f23b;
      --green-dark: #244b1e;
      --lime-soft: #edf8d9;
      --paper: #f5faef;
      --line: #dce7d5;
      --white: #fff;
      --orange: #ff8b56;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    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: 0 auto; }
    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(36,75,30,.12); background: rgba(245,250,239,.94); backdrop-filter: blur(14px); }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-weight: 800; }
    .ai-page-logo { width: 40px; height: 40px; object-fit: contain; }
    .brand-name { font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 8px 9px; color: #46564b; font-size: 12px; transition: color .2s ease; }
    .nav-links a:hover { color: #4e8c19; }
    .nav-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px; border-radius: 4px; background: var(--green-dark); color: var(--white); font-size: 13px; font-weight: 700; white-space: nowrap; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); color: var(--ink); }
    .hero { position: relative; overflow: hidden; padding: 74px 0 48px; background: #eaf6dd; }
    .hero::before { position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, #75c42a, var(--green), #ffb34e); content: ""; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); align-items: center; gap: 54px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #467523; font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
    .eyebrow::before { width: 22px; height: 2px; background: #78ba2c; content: ""; }
    h1 { max-width: 680px; margin: 16px 0 18px; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 610px; margin: 0; color: #4d5f4f; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 0 19px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(32,66,25,.14); }
    .button-primary { background: var(--green-dark); color: #fff; }
    .button-secondary { border-color: #b7c9a9; background: rgba(255,255,255,.6); color: var(--ink); }
    .hero-note { margin-top: 18px; color: #667465; font-size: 12px; }
    .route-board { position: relative; padding: 23px; border: 1px solid #d1e1c6; border-radius: 6px; background: rgba(255,255,255,.76); box-shadow: 14px 14px 0 #d9edc5; }
    .route-board h2 { margin: 0 0 18px; font-size: 16px; }
    .route-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
    .route-list li { display: grid; grid-template-columns: 30px 1fr; align-items: start; gap: 12px; color: #4c5c4c; font-size: 13px; }
    .route-number { display: grid; width: 29px; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--green); color: #1e3519; font-size: 12px; font-weight: 800; }
    .route-list strong { display: block; color: var(--ink); font-size: 14px; }
    .hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 56px; border: 1px solid #d5e3ca; background: #d5e3ca; }
    .stat { padding: 18px 20px; background: #f5faef; }
    .stat strong { display: block; color: #315923; font-size: 19px; }
    .stat span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-white { background: #fff; }
    .section-tint { background: #edf6e5; }
    .section-head { max-width: 700px; margin-bottom: 34px; }
    .section-kicker { display: block; margin-bottom: 8px; color: #5c8c31; font-size: 12px; font-weight: 800; letter-spacing: 1px; }
    h2 { margin: 0 0 12px; font-size: clamp(27px, 3vw, 38px); line-height: 1.2; letter-spacing: 0; }
    .section-head p { margin: 0; color: var(--muted); }
    .intro-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 46px; align-items: start; }
    .intro-callout { padding: 24px; border-left: 4px solid #80c73b; background: #f5faef; }
    .intro-callout strong { display: block; margin-bottom: 7px; font-size: 18px; }
    .intro-callout p { margin: 0; color: var(--muted); font-size: 14px; }
    .capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .capability { padding: 19px; border: 1px solid var(--line); background: #fff; }
    .capability span { display: block; margin-bottom: 8px; color: #6a9e3d; font-size: 11px; font-weight: 800; }
    .capability h3 { margin: 0 0 6px; font-size: 15px; }
    .capability p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service { min-height: 165px; padding: 21px; border-top: 3px solid #91cc48; background: #f5faef; transition: transform .2s ease, box-shadow .2s ease; }
    .service:hover, .case:hover, .review:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(35,64,29,.09); }
    .service h3 { margin: 0 0 9px; font-size: 17px; }
    .service p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-tag { display: inline-block; margin-top: 13px; color: #557b36; font-size: 11px; font-weight: 750; }
    .workflow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: steps; }
    .workflow-step { position: relative; padding: 0 18px 0 0; }
    .workflow-step::before { display: grid; width: 39px; height: 39px; margin-bottom: 15px; place-items: center; border-radius: 50%; background: var(--green); color: #1c3216; counter-increment: steps; content: "0" counter(steps); font-size: 12px; font-weight: 800; }
    .workflow-step:not(:last-child)::after { position: absolute; top: 19px; left: 48px; right: 18px; border-top: 1px dashed #9fb790; content: ""; }
    .workflow-step h3 { margin: 0 0 7px; font-size: 15px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .industry-copy p { color: var(--muted); }
    .industry-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 18px; margin: 20px 0 0; padding: 0; list-style: none; }
    .industry-list li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
    .industry-list li::before { margin-right: 8px; color: #6fac34; content: "＋"; font-weight: 800; }
    .media-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
    .media-frame { margin: 0; overflow: hidden; background: #e5ecd9; }
    .media-frame img { display: block; width: 100%; height: auto; }
    .media-frame:first-child { grid-row: span 2; }
    .model-strip { padding: 22px 0 0; }
    .model-strip h3 { margin: 0 0 14px; font-size: 16px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 7px 11px; border: 1px solid #dce7d5; background: #fff; color: #435448; font-size: 12px; }
    .comparison { display: grid; grid-template-columns: .7fr 1.3fr; gap: 28px; align-items: stretch; }
    .rating-panel { display: flex; flex-direction: column; justify-content: center; padding: 28px; background: var(--green-dark); color: #fff; }
    .rating-panel .score { margin: 6px 0; color: var(--green); font-size: 56px; font-weight: 850; line-height: 1; }
    .stars { color: #c6f66c; font-size: 21px; letter-spacing: 2px; }
    .rating-panel p { margin: 10px 0 0; color: #e4efdc; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 560px; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid #e8eee3; font-size: 13px; vertical-align: top; }
    th { background: #f2f8ec; color: #354c31; font-weight: 800; }
    tr:last-child td { border-bottom: 0; }
    .check { color: #528a26; font-weight: 800; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .case { overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .case img { display: block; width: 100%; height: auto; }
    .case-copy { padding: 17px; }
    .case-copy h3 { margin: 0 0 6px; font-size: 15px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .review { padding: 19px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .review blockquote { margin: 0 0 16px; color: #3d4c40; font-size: 13px; }
    .review cite { color: #678057; font-size: 12px; font-style: normal; font-weight: 750; }
    .matching { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
    .match-copy { position: sticky; top: 100px; }
    .match-copy p { color: var(--muted); }
    .match-points { display: grid; gap: 10px; margin-top: 22px; }
    .match-points span { padding-bottom: 9px; border-bottom: 1px solid var(--line); color: #46564b; font-size: 13px; }
    .form-panel { padding: 25px; border: 1px solid var(--line); background: #fff; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .field { display: grid; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { color: #405044; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #d8e2d1; border-radius: 3px; background: #fbfdf9; color: var(--ink); padding: 11px 12px; outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #7db746; box-shadow: 0 0 0 3px rgba(125,183,70,.13); }
    .field textarea { min-height: 110px; resize: vertical; }
    .form-submit { margin-top: 16px; }
    .form-note { margin: 10px 0 0; color: #778176; font-size: 11px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 16px 32px 16px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; top: 14px; right: 2px; color: #5c8b32; content: "+"; font-size: 20px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { margin: -3px 0 16px; color: var(--muted); font-size: 13px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { min-height: 88px; display: flex; flex-direction: column; justify-content: space-between; padding: 13px; border-bottom: 2px solid #a6d269; background: #fff; }
    .article-link strong { font-size: 13px; }
    .article-link span { color: #69805f; font-size: 11px; }
    .contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
    .contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .contact-item { padding: 17px; border: 1px solid var(--line); background: #fff; }
    .contact-item strong { display: block; margin-bottom: 5px; font-size: 13px; }
    .contact-item span, .contact-item a { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
    .qr { display: block; width: 132px; margin-top: 12px; }
    .partner-links { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 24px; }
    .partner-links a { color: #4e722f; font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
    .footer { padding: 26px 0; border-top: 1px solid var(--line); background: #eaf3e2; color: #344634; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .footer p { margin: 0; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; }
    .footer-links a { color: #3c5b31; }
    .float-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .float-contact a { display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid #d5e3ca; border-radius: 50%; background: #fff; color: #365a28; box-shadow: 0 4px 16px rgba(32,66,25,.13); font-size: 11px; font-weight: 800; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (max-width: 980px) {
      .nav-wrap { min-height: 68px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-cta { display: none; }
      .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; align-items: stretch; padding: 10px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { padding: 10px; }
      .hero-grid { gap: 30px; }
      .workflow { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
      .workflow-step:nth-child(3)::after { display: none; }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 54px 0 32px; }
      .hero-grid, .intro-layout, .industry-layout, .comparison, .matching, .contact-layout { grid-template-columns: 1fr; }
      .hero-grid { gap: 28px; }
      .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 36px; }
      .section { padding: 54px 0; }
      .capability-grid, .service-grid, .case-grid, .reviews { grid-template-columns: 1fr 1fr; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 24px 12px; }
      .workflow-step::after { display: none; }
      .media-stack { max-width: 500px; }
      .faq-list { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .match-copy { position: static; }
      .footer-row { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 460px) {
      .brand-name { font-size: 15px; }
      .nav-links.is-open { grid-template-columns: repeat(2, 1fr); }
      .capability-grid, .service-grid, .case-grid, .reviews, .industry-list, .contact-info { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .article-list { grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
      .route-board { padding: 18px; }
      .float-contact { right: 10px; bottom: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }