:root {
      color-scheme: light;
      --ink: #20241f;
      --muted: #62675f;
      --paper: #fffdf5;
      --white: #ffffff;
      --yellow: #f5ce21;
      --yellow-deep: #e0b600;
      --green: #174c3c;
      --green-soft: #eaf2e9;
      --line: #e8e5d9;
      --coral: #dc684c;
      --shadow: 0 14px 34px rgba(32, 36, 31, .08);
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    img { max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .top-note { background: var(--green); color: #fff; font-size: 13px; }
    .top-note .container { min-height: 34px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
    .top-note a { color: var(--yellow); text-decoration: none; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,253,245,.96); border-bottom: 1px solid rgba(32,36,31,.09); backdrop-filter: blur(14px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; text-decoration: none; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .brand-name { display: grid; line-height: 1.15; font-size: 17px; font-weight: 800; }
    .brand-name small { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 9px 10px; color: #43483f; font-size: 12px; text-decoration: none; transition: color .2s ease; }
    .nav-links a:hover { color: #8b6b00; }
    .nav-actions { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); color: var(--ink); cursor: pointer; }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 19px; border: 1px solid transparent; border-radius: 4px; background: var(--yellow); color: #212117; font-weight: 750; text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(224,182,0,.24); background: #ffda35; }
    .btn-outline { background: transparent; border-color: rgba(32,36,31,.25); }
    .btn-outline:hover { background: var(--white); }
    .btn-dark { background: var(--green); color: #fff; }
    .btn-dark:hover { background: #20644f; }
    .hero { position: relative; overflow: hidden; padding: 75px 0 54px; background: var(--yellow); }
    .hero::before, .hero::after { position: absolute; content: ""; pointer-events: none; }
    .hero::before { width: 410px; height: 410px; right: -130px; top: -180px; border: 1px solid rgba(32,36,31,.18); border-radius: 50%; box-shadow: 0 0 0 38px rgba(255,255,255,.12), 0 0 0 76px rgba(255,255,255,.1); }
    .hero::after { right: 12%; bottom: 30px; width: 70px; height: 70px; border: 10px solid rgba(23,76,60,.12); transform: rotate(45deg); }
    .hero-content { position: relative; z-index: 1; max-width: 820px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: #3c3c20; font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .eyebrow::before { display: block; width: 24px; height: 2px; background: currentColor; content: ""; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 6vw, 70px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 670px; margin: 22px 0 25px; color: #343629; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 11px; }
    .hero-foot { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 32px; color: #343629; font-size: 13px; }
    .hero-foot span::before { content: "✓"; margin-right: 8px; font-weight: 900; }
    .metrics { padding: 0 0 58px; background: var(--yellow); }
    .metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(32,36,31,.2); }
    .metric { padding: 20px 22px 5px 0; }
    .metric + .metric { padding-left: 22px; border-left: 1px solid rgba(32,36,31,.2); }
    .metric strong { display: block; font-size: 24px; line-height: 1.3; }
    .metric span { color: #4e4d38; font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: #f3f4e9; }
    .section-green { background: var(--green); color: #fff; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 30px; }
    .section-head > div { max-width: 720px; }
    .kicker { margin: 0 0 7px; color: #82700e; font-size: 12px; font-weight: 800; text-transform: uppercase; }
    .section-green .kicker { color: var(--yellow); }
    h2 { margin: 0; font-size: clamp(27px, 4vw, 42px); line-height: 1.18; letter-spacing: 0; }
    .section-intro { max-width: 650px; margin: 12px 0 0; color: var(--muted); }
    .section-green .section-intro { color: #d5e2dc; }
    h3 { margin: 0 0 9px; font-size: 18px; line-height: 1.35; }
    .about-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: start; }
    .about-copy p { color: var(--muted); }
    .about-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; margin-top: 24px; }
    .about-point { padding: 14px 0; border-top: 1px solid var(--line); }
    .about-point strong { display: block; margin-bottom: 3px; }
    .about-point span { color: var(--muted); font-size: 13px; }
    .manifesto { padding: 25px 28px; border-left: 4px solid var(--yellow); background: #fff; box-shadow: var(--shadow); }
    .manifesto p { margin: 0; font-size: 18px; font-weight: 700; line-height: 1.55; }
    .manifesto small { display: block; margin-top: 13px; color: var(--muted); }
    .capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .capability { min-height: 190px; padding: 25px; background: #fffdf8; transition: background .2s ease, transform .2s ease; }
    .capability:hover { position: relative; z-index: 1; background: #fff7d7; transform: translateY(-3px); }
    .capability-index { display: inline-block; margin-bottom: 18px; color: #8d7812; font-size: 12px; font-weight: 800; }
    .capability p { margin: 0; color: var(--muted); font-size: 14px; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
    .tag { padding: 6px 10px; border: 1px solid rgba(255,255,255,.28); color: #f4f6ec; font-size: 12px; }
    .tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .tool { padding: 19px; border-top: 3px solid var(--yellow); background: #fff; }
    .tool h3 { font-size: 16px; }
    .tool p { margin: 0; color: var(--muted); font-size: 13px; }
    .tool small { display: block; margin-top: 12px; color: #817319; font-weight: 700; }
    .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .flow-step { position: relative; padding: 23px 22px 22px 0; border-top: 2px solid var(--green); counter-increment: step; }
    .flow-step::before { display: block; width: 32px; height: 32px; margin-top: -40px; margin-bottom: 22px; border: 2px solid var(--green); border-radius: 50%; background: var(--paper); color: var(--green); content: counter(step, decimal-leading-zero); font-size: 10px; font-weight: 800; line-height: 28px; text-align: center; }
    .flow-step p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px 30px; }
    .industry { padding: 0 0 17px; border-bottom: 1px solid var(--line); }
    .industry p { margin: 0; color: var(--muted); font-size: 13px; }
    .visual-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
    .media-frame { padding: 8px; background: #fff; border: 1px solid var(--line); }
    .media-frame img { display: block; width: 100%; height: auto; }
    .media-caption { padding: 12px 5px 5px; font-size: 13px; color: var(--muted); }
    .square-media { max-width: 360px; }
    .compare-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    .compare { width: 100%; min-width: 690px; border-collapse: collapse; text-align: left; }
    .compare th, .compare td { padding: 15px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
    .compare th { background: #f6f2df; font-size: 13px; }
    .compare td { font-size: 13px; }
    .compare tbody tr:last-child td { border-bottom: 0; }
    .score-band { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 19px; padding: 21px 24px; background: var(--green); color: #fff; }
    .score-band strong { font-size: 23px; }
    .score-stars { color: var(--yellow); font-size: 23px; letter-spacing: 0; }
    .score-band small { display: block; color: #d4e1db; }
    .price-strip { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 25px 28px; border-left: 5px solid var(--yellow); background: #fff; }
    .price-strip p { margin: 7px 0 0; color: var(--muted); }
    .price-note { max-width: 430px; color: var(--muted); font-size: 12px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 21px; background: #fff; border-top: 2px solid var(--yellow); }
    .review p { margin: 0 0 17px; color: #454a43; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .case-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: start; }
    .case-feature { padding: 26px; background: var(--yellow); }
    .case-feature p { margin-bottom: 0; }
    .case-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
    .case-item { padding: 15px 0; border-bottom: 1px solid var(--line); }
    .case-item span { display: block; color: var(--muted); font-size: 13px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 19px 40px 19px 0; font-weight: 700; cursor: pointer; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; right: 6px; top: 17px; color: #806c0c; content: "+"; font-size: 23px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 800px; margin: -5px 36px 20px 0; color: var(--muted); font-size: 14px; }
    .article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .article { padding: 20px; border: 1px solid var(--line); background: #fff; }
    .article small { color: #82700e; font-weight: 700; }
    .article h3 { margin-top: 10px; font-size: 16px; }
    .article a { color: var(--ink); text-decoration: none; }
    .article a:hover { color: #806c0c; }
    .request-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
    .contact-copy p { color: #d5e2dc; }
    .contact-details { display: grid; gap: 9px; margin-top: 23px; color: #fff; font-size: 14px; }
    .contact-details a { color: var(--yellow); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 25px; background: #fff; color: var(--ink); }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #d9d9d0; border-radius: 3px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 110px; resize: vertical; }
    .form-grid .btn { justify-self: start; }
    .network-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
    .network-block { padding-top: 18px; border-top: 2px solid var(--yellow); }
    .network-block p { margin: 7px 0 0; color: var(--muted); }
    .join-band { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px 30px; background: var(--yellow); }
    .join-band p { margin: 5px 0 0; color: #4e4d38; }
    .footer { padding: 34px 0 22px; background: #f1efdf; color: #292d27; }
    .footer-main { display: flex; justify-content: space-between; align-items: start; gap: 30px; }
    .footer-brand p { max-width: 460px; margin: 12px 0 0; color: #555a52; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; max-width: 560px; }
    .footer-links a { color: #343a32; font-size: 13px; text-decoration: none; }
    .footer-links a:hover { text-decoration: underline; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 25px; padding-top: 14px; border-top: 1px solid #d8d6c7; color: #555a52; font-size: 12px; }
    .floating-contact { position: fixed; right: 18px; bottom: 24px; z-index: 15; display: grid; gap: 8px; }
    .floating-contact a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(32,36,31,.12); border-radius: 50%; background: var(--yellow); color: var(--ink); font-size: 11px; font-weight: 800; text-decoration: none; box-shadow: var(--shadow); }
    .floating-contact a:last-child { background: var(--green); color: #fff; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (max-width: 1050px) {
      .nav-row { flex-wrap: wrap; padding: 12px 0; }
      .nav-links { order: 3; flex-basis: 100%; justify-content: flex-start; }
      .nav-links a { padding: 7px 9px; }
      .tool-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .top-note .container { justify-content: center; text-align: center; }
      .top-note span:first-child { display: none; }
      .nav-row { min-height: 67px; flex-wrap: nowrap; gap: 10px; }
      .brand { margin-right: auto; }
      .brand img { width: 36px; height: 36px; }
      .brand-name { font-size: 15px; }
      .menu-toggle { display: grid; place-items: center; }
      .nav-actions .btn { min-height: 40px; padding-inline: 12px; font-size: 12px; }
      .nav-links { display: none; order: initial; position: absolute; top: 100%; left: 0; right: 0; padding: 10px 15px 15px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 20px rgba(32,36,31,.08); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
      .hero { padding: 57px 0 35px; }
      .hero::before { right: -270px; }
      .hero::after { right: 9%; bottom: 18px; width: 45px; height: 45px; }
      h1 { max-width: 560px; font-size: 43px; }
      .hero-copy { font-size: 15px; }
      .metrics { padding-bottom: 35px; }
      .metric-grid { grid-template-columns: repeat(2, 1fr); }
      .metric { padding: 15px 10px 13px 0; }
      .metric + .metric { padding-left: 14px; }
      .metric:nth-child(3) { border-left: 0; padding-left: 0; }
      .section { padding: 56px 0; }
      .section-head { display: block; }
      .section-head > .btn { margin-top: 18px; }
      .about-layout, .case-layout, .request-layout { grid-template-columns: 1fr; gap: 28px; }
      .capability-grid { grid-template-columns: repeat(2, 1fr); }
      .capability { min-height: 0; padding: 18px; }
      .capability-index { margin-bottom: 12px; }
      .tool-grid { grid-template-columns: repeat(2, 1fr); }
      .flow { grid-template-columns: repeat(2, 1fr); gap: 15px 12px; padding-top: 17px; }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .visual-row { grid-template-columns: 1fr; }
      .square-media { max-width: 100%; }
      .review-grid { grid-template-columns: 1fr 1fr; }
      .case-list { grid-template-columns: 1fr; }
      .article-grid { grid-template-columns: 1fr; }
      .price-strip { grid-template-columns: 1fr; }
      .network-grid { grid-template-columns: 1fr; }
      .join-band { align-items: flex-start; flex-direction: column; }
      .footer-main, .footer-bottom { flex-direction: column; }
    }
    @media (max-width: 440px) {
      .nav-actions .btn { display: none; }
      .hero-actions .btn { flex: 1 1 auto; }
      h1 { font-size: 38px; }
      .about-points, .capability-grid, .tool-grid, .industry-grid, .review-grid { grid-template-columns: 1fr; }
      .flow { grid-template-columns: 1fr 1fr; }
      .score-band { align-items: flex-start; flex-direction: column; }
      .form-grid { grid-template-columns: 1fr; padding: 19px; }
      .field-wide { grid-column: auto; }
      .floating-contact { right: 10px; bottom: 12px; }
      .floating-contact a { width: 42px; height: 42px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }