:root {
      color-scheme: light;
      --ink: #17262b;
      --muted: #5a6b70;
      --line: #dfe7e7;
      --paper: #f8faf9;
      --white: #fff;
      --teal: #087f78;
      --teal-dark: #075f5a;
      --coral: #ef715e;
      --yellow: #f3c84b;
      --blue: #537fd3;
      --green: #7aa85a;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      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; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { display: block; max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 20;
      background: rgba(248,250,249,.96); border-bottom: 1px solid rgba(23,38,43,.1);
      backdrop-filter: blur(12px);
    }
    .nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 18px; }
    .brand img { width: 38px; max-height: 38px; object-fit: contain; }
    .nav-right { display: flex; align-items: center; gap: 22px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #405258; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--teal); }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 19px; border: 1px solid var(--teal);
      background: var(--teal); color: #fff; font-weight: 700; font-size: 14px;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta:hover, .button:hover { background: var(--teal-dark); box-shadow: 0 8px 20px rgba(8,127,120,.2); transform: translateY(-2px); }
    .button.secondary { background: transparent; color: var(--ink); border-color: #9baeb0; }
    .button.secondary:hover { background: #fff; border-color: var(--teal); color: var(--teal); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); width: 42px; height: 42px; cursor: pointer; }
    .hero {
      position: relative; overflow: hidden;
      background: #eff6f2;
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(110deg, transparent 58%, rgba(243,200,75,.18) 58%, rgba(243,200,75,.18) 72%, transparent 72%),
                  linear-gradient(160deg, transparent 69%, rgba(8,127,120,.08) 69%);
      pointer-events: none;
    }
    .hero-inner { position: relative; padding: 78px 0 52px; }
    .hero-copy { max-width: 780px; }
    .eyebrow { margin: 0 0 18px; color: var(--teal-dark); font-weight: 800; letter-spacing: 0; font-size: 13px; text-transform: uppercase; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.13; letter-spacing: 0; }
    .hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 22px 0 28px; color: #4d6064; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
    .hero-tags span { padding: 5px 11px; border: 1px solid #cbd9d5; color: #45605d; font-size: 12px; }
    .hero-bottom { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 64px; border-top: 1px solid #cbd8d4; }
    .metric { padding: 19px 18px 4px 0; }
    .metric + .metric { border-left: 1px solid #cbd8d4; padding-left: 20px; }
    .metric strong { display: block; color: var(--teal-dark); font-size: 18px; }
    .metric span { color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    section { scroll-margin-top: 82px; }
    .section { padding: 76px 0; }
    .section.white { background: var(--white); }
    .section.tinted { background: #edf4f1; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 730px; }
    .kicker { margin: 0 0 8px; color: var(--teal); font-size: 12px; font-weight: 800; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.25; letter-spacing: 0; }
    .section-head p { margin: 10px 0 0; color: var(--muted); }
    .text-link { color: var(--teal-dark); font-size: 14px; font-weight: 700; white-space: nowrap; }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: start; }
    .intro-copy p { color: #506166; margin: 0 0 16px; }
    .intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; border-top: 1px solid var(--line); }
    .intro-points div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .intro-points strong { display: block; font-size: 14px; }
    .intro-points span { color: var(--muted); font-size: 12px; }
    .model-band { border-left: 4px solid var(--coral); padding: 5px 0 5px 22px; }
    .model-band h3 { margin: 0 0 12px; font-size: 17px; }
    .model-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-list span { padding: 5px 9px; color: #3f5558; border: 1px solid #d5e0dd; background: #f9fbfa; font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0 28px; border-top: 1px solid var(--line); }
    .service-item { min-height: 150px; padding: 23px 0 20px; border-bottom: 1px solid var(--line); }
    .service-item:nth-child(3n+2), .service-item:nth-child(3n+3) { padding-left: 20px; border-left: 1px solid var(--line); }
    .service-item h3 { margin: 0 0 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-item .index { color: var(--coral); font-size: 12px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; counter-reset: steps; }
    .step { position: relative; padding-top: 18px; border-top: 2px solid var(--teal); }
    .step::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 20px; color: var(--coral); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 7px; font-size: 16px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
    .industry-copy p { color: var(--muted); }
    .industry-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; margin-top: 20px; }
    .industry-list span { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .asset-stack { display: grid; gap: 14px; }
    .asset-stack img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
    .asset-stack .asset-square { width: min(48%, 210px); aspect-ratio: 1; justify-self: end; object-fit: cover; }
    .network { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: start; }
    .network-lead { font-size: 21px; font-weight: 750; line-height: 1.45; }
    .network p { color: var(--muted); }
    .network-areas { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); }
    .network-areas div { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .network-areas div:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line); }
    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; }
    th, td { padding: 15px 17px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #edf4f1; font-size: 13px; }
    td { color: #536369; font-size: 13px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .rating { display: flex; align-items: center; gap: 20px; margin: 24px 0; padding: 20px 24px; background: #fff4d7; border-left: 4px solid var(--yellow); }
    .rating strong { font-size: 27px; color: #76570b; }
    .rating span { color: #61532c; font-size: 14px; }
    .stars { color: #c38d00; letter-spacing: 0; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
    .case { border-top: 3px solid var(--coral); }
    .case:nth-child(2) { border-color: var(--blue); }
    .case img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; margin-bottom: 16px; }
    .case h3 { margin: 0 0 6px; font-size: 18px; }
    .case p { margin: 0; color: var(--muted); font-size: 13px; }
    .testimonials { display: grid; grid-template-columns: repeat(3,1fr); gap: 0 24px; border-top: 1px solid var(--line); }
    .quote { padding: 20px 0; border-bottom: 1px solid var(--line); }
    .quote blockquote { margin: 0 0 15px; color: #405359; font-size: 14px; }
    .quote cite { color: var(--teal-dark); font-size: 12px; font-style: normal; font-weight: 750; }
    .quote small { display: block; color: var(--muted); font-size: 11px; }
    .match-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
    .match-copy p { color: var(--muted); }
    .match-note { margin-top: 22px; padding: 16px; background: #fff; border-left: 3px solid var(--yellow); color: #46575b; font-size: 13px; }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 700; }
    input, select, textarea { width: 100%; min-width: 0; padding: 11px 12px; color: var(--ink); border: 1px solid #cbd7d4; border-radius: 0; background: #fff; outline: none; }
    input:focus, select:focus, textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(8,127,120,.1); }
    textarea { min-height: 116px; resize: vertical; }
    .form-submit { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .form-status { grid-column: 1 / -1; min-height: 1.5em; color: var(--teal-dark); font-size: 13px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 16px 36px 16px 0; cursor: pointer; list-style: none; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 12px; color: var(--teal); font-size: 22px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: 0; padding: 0 30px 17px 0; color: var(--muted); font-size: 14px; }
    .articles { display: grid; grid-template-columns: repeat(5,1fr); gap: 0 16px; border-top: 1px solid var(--line); }
    .article { padding: 17px 0; border-bottom: 1px solid var(--line); }
    .article span { display: block; margin-bottom: 5px; color: var(--coral); font-size: 11px; font-weight: 800; }
    .article a { font-size: 13px; font-weight: 700; }
    .article a:hover { color: var(--teal); }
    .join-band { padding: 30px; display: flex; justify-content: space-between; align-items: center; gap: 24px; color: #143331; background: #dcece5; }
    .join-band h3 { margin: 0 0 5px; font-size: 22px; }
    .join-band p { margin: 0; color: #49615d; font-size: 14px; }
    .links-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
    .links-cloud a { padding: 7px 10px; color: #465b5b; border: 1px solid #d3dfdc; background: #fff; font-size: 12px; }
    .links-cloud a:hover { color: var(--teal-dark); border-color: var(--teal); }
    .site-footer { padding: 30px 0 22px; background: #e9efed; color: #263b3e; border-top: 1px solid #d8e2df; }
    .footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
    .footer-brand { font-weight: 800; font-size: 17px; }
    .footer-contact { display: flex; flex-wrap: wrap; gap: 8px 20px; color: #43575a; font-size: 13px; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 20px; padding-top: 15px; border-top: 1px solid #d1dcda; color: #56676a; font-size: 11px; }
    .float-contact { position: fixed; z-index: 30; right: 18px; bottom: 22px; }
    .float-contact button { width: 52px; height: 52px; border: 0; background: var(--teal); color: white; font-size: 12px; font-weight: 700; cursor: pointer; box-shadow: 0 6px 20px rgba(13,69,66,.22); }
    .contact-pop { display: none; position: absolute; right: 62px; bottom: 0; width: 230px; padding: 16px; border: 1px solid var(--line); background: #fff; box-shadow: 0 10px 30px rgba(18,44,45,.15); }
    .contact-pop.open { display: block; animation: rise .2s ease both; }
    .contact-pop img { width: 150px; margin: 10px auto; }
    .contact-pop p { margin: 4px 0; color: #42555a; font-size: 12px; }
    .top-button { position: fixed; right: 23px; bottom: 85px; z-index: 25; display: none; width: 40px; height: 40px; border: 1px solid #b6c8c4; background: #fff; color: var(--ink); cursor: pointer; }
    .top-button.show { display: block; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    @keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
    @media (max-width: 1040px) {
      .nav { gap: 12px; }
      .nav-right { gap: 10px; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding-inline: 12px; }
    }
    @media (max-width: 840px) {
      .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .nav-right { gap: 10px; }
      .nav-links { display: none; position: absolute; top: 73px; left: 0; right: 0; padding: 12px 20px 18px; background: var(--paper); border-bottom: 1px solid var(--line); align-items: stretch; flex-direction: column; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 10px max(20px, calc((100vw - var(--container))/2)); font-size: 14px; }
      .hero-inner { padding-top: 60px; }
      .intro-grid, .industry-grid, .network, .match-grid { grid-template-columns: 1fr; gap: 30px; }
      .service-grid { grid-template-columns: repeat(2,1fr); }
      .service-item:nth-child(3n+2), .service-item:nth-child(3n+3) { padding-left: 0; border-left: 0; }
      .service-item:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
      .workflow { grid-template-columns: repeat(2,1fr); row-gap: 30px; }
      .testimonials { grid-template-columns: repeat(2,1fr); }
      .articles { grid-template-columns: repeat(3,1fr); }
    }
    @media (max-width: 560px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .brand { font-size: 16px; }
      .brand img { width: 32px; max-height: 32px; }
      .nav-cta { min-height: 40px; padding-inline: 11px; font-size: 12px; }
      .nav-links { top: 69px; }
      .hero-inner { padding: 48px 0 35px; }
      h1 { font-size: 40px; }
      .hero-copy > p:not(.eyebrow) { font-size: 15px; }
      .hero-bottom { grid-template-columns: 1fr 1fr; margin-top: 42px; }
      .metric { padding: 14px 8px 12px 0; }
      .metric + .metric { padding-left: 12px; }
      .metric:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid #cbd8d4; }
      .metric:nth-child(4) { border-top: 1px solid #cbd8d4; }
      .section { padding: 54px 0; }
      .section-head { display: block; }
      .section-head .text-link { display: inline-block; margin-top: 14px; }
      .intro-points { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: 1fr; }
      .service-item, .service-item:nth-child(even) { min-height: 0; padding: 17px 0; border-left: 0; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
      .industry-list { grid-template-columns: 1fr; }
      .industry-list span { padding: 8px 0; }
      .industry-list span:nth-child(n+7) { display: none; }
      .case-grid, .testimonials { grid-template-columns: 1fr; gap: 20px; }
      .rating { align-items: flex-start; gap: 12px; padding: 16px; }
      .rating strong { font-size: 23px; }
      .articles { grid-template-columns: 1fr 1fr; }
      form { grid-template-columns: 1fr; }
      .field.full, .form-submit, .form-status { grid-column: 1; }
      .join-band { align-items: flex-start; flex-direction: column; padding: 22px; }
      .footer-top, .footer-bottom { flex-direction: column; }
      .footer-bottom { gap: 6px; }
      .asset-stack .asset-square { width: 46%; }
      .float-contact { right: 12px; bottom: 16px; }
      .top-button { right: 18px; bottom: 78px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }