:root {
      color-scheme: light;
      --ink: #211c32;
      --muted: #696477;
      --violet: #7048d8;
      --violet-dark: #4e2aa6;
      --pink: #d94e9c;
      --mint: #168d78;
      --line: #e8e3f1;
      --paper: #fbfaff;
      --white: #fff;
      --shadow: 0 14px 36px rgba(48, 30, 86, .08);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    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 { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; height: auto; }
    .container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid rgba(232, 227, 241, .9);
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .brand img { display: block; width: 150px; max-height: 42px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 9px 8px; color: #554e65; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--violet); }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 17px;
      border: 1px solid transparent;
      border-radius: 7px;
      background: var(--violet);
      color: #fff;
      font-weight: 700;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta { flex: 0 0 auto; padding: 9px 14px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--violet-dark); box-shadow: 0 9px 20px rgba(91, 54, 170, .2); }
    .button.secondary { color: var(--violet-dark); background: #fff; border-color: #d9ccef; }
    .button.secondary:hover { background: #f5f0ff; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: #fff; cursor: pointer; }
    .hero {
      overflow: hidden;
      position: relative;
      padding: 78px 0 62px;
      background: linear-gradient(120deg, #f5f1ff 0%, #fff 54%, #fff5fb 100%);
      border-bottom: 1px solid #eee8f6;
    }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; }
    .hero::before {
      width: 390px; height: 390px; right: -130px; top: -200px;
      border: 1px solid rgba(112,72,216,.16); border-radius: 50%;
      box-shadow: 0 0 0 32px rgba(112,72,216,.035), 0 0 0 68px rgba(112,72,216,.025);
    }
    .hero::after {
      width: 180px; height: 180px; right: 12%; bottom: -125px;
      border: 1px solid rgba(217,78,156,.22); border-radius: 50%;
      box-shadow: 0 0 0 22px rgba(217,78,156,.04);
    }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(270px, .7fr); gap: 56px; align-items: center; }
    .eyebrow { margin: 0 0 16px; color: var(--violet-dark); font-size: 13px; font-weight: 800; }
    h1 { max-width: 700px; margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.12; }
    .hero-copy { max-width: 620px; margin: 21px 0 27px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #716b7c; font-size: 13px; }
    .script-panel { position: relative; padding: 23px; border: 1px solid #e3d9f3; border-radius: 10px; background: rgba(255,255,255,.86); box-shadow: var(--shadow); animation: rise .7s both; }
    .panel-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
    .panel-top strong { font-size: 14px; }
    .live-mark { display: inline-flex; align-items: center; gap: 7px; color: var(--mint); font-size: 12px; }
    .live-mark::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #38b597; box-shadow: 0 0 0 4px #e3f7f1; }
    .script-line { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid #f0edf5; font-size: 13px; }
    .script-line:last-of-type { border: 0; }
    .script-line span:first-child { color: var(--violet); font-weight: 700; }
    .script-line span:last-child { color: #514b5e; }
    .panel-foot { margin-top: 9px; padding: 12px; border-radius: 6px; color: #4f3d73; background: #f4efff; font-size: 12px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 25px 0; border-bottom: 1px solid var(--line); }
    .metric { padding: 4px 23px; border-right: 1px solid var(--line); }
    .metric:first-child { padding-left: 0; }
    .metric:last-child { border: 0; }
    .metric strong { display: block; color: var(--violet-dark); font-size: 20px; }
    .metric span { color: var(--muted); font-size: 12px; }
    section.content-section { padding: 74px 0; }
    section.content-section.tinted { background: #f4f1fa; border-block: 1px solid #ebe5f4; }
    .section-heading { max-width: 720px; margin-bottom: 30px; }
    .section-heading .eyebrow { margin-bottom: 8px; }
    h2 { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.25; }
    .section-heading > p:last-child { margin: 11px 0 0; color: var(--muted); }
    .intro-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 45px; align-items: start; }
    .intro-lead { margin: 0; font-size: 20px; line-height: 1.7; }
    .intro-detail { margin: 12px 0 0; color: var(--muted); }
    .capability-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 18px; margin: 0; padding: 0; list-style: none; }
    .capability-strip li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .capability-strip li::before { content: "✓"; display: inline-block; margin-right: 9px; color: var(--mint); font-weight: 800; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
    .service-item { padding: 19px; border: 1px solid var(--line); border-radius: 7px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service-item:hover, .quote:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .service-item h3, .quote h3 { margin: 0 0 7px; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .platform-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
    .platform-list span { padding: 7px 11px; border: 1px solid #ddd2ef; border-radius: 5px; background: #fff; color: #51466a; font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; counter-reset: flow; }
    .workflow article { position: relative; padding: 18px 17px 18px 0; border-top: 2px solid #cfc1ec; counter-increment: flow; }
    .workflow article::before { content: "0" counter(flow); display: block; margin-bottom: 15px; color: var(--violet); font-size: 13px; font-weight: 800; }
    .workflow h3 { margin: 0 0 7px; font-size: 16px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-list { display: grid; grid-template-columns: repeat(4,1fr); gap: 0 24px; margin: 0; padding: 0; list-style: none; }
    .industry-list li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .industry-list strong { display: block; margin-bottom: 3px; }
    .industry-list span { color: var(--muted); font-size: 12px; }
    .network-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
    .network-copy { margin: 0; color: var(--muted); }
    .network-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .network-tags span { padding: 8px 10px; background: #fff; border: 1px solid var(--line); border-radius: 5px; font-size: 13px; }
    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 680px; text-align: left; }
    th, td { padding: 13px 16px; border-bottom: 1px solid #eeeaf4; vertical-align: top; font-size: 13px; }
    thead th { background: #f4efff; color: #3a2b59; font-size: 13px; }
    tbody tr:last-child td { border-bottom: 0; }
    td:first-child { font-weight: 700; }
    .rating { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; padding: 18px 20px; border-left: 4px solid var(--pink); background: #fff; }
    .rating strong { color: var(--violet-dark); font-size: 27px; }
    .rating span { color: var(--muted); font-size: 13px; }
    .stars { color: #cc8d20; letter-spacing: 0; }
    .case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
    .case { overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
    .case .media { aspect-ratio: 16 / 9; overflow: hidden; background: #eeeaf4; }
    .case .media img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .case-copy { padding: 16px; }
    .case-copy h3 { margin: 0 0 5px; font-size: 16px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .square-case { display: grid; grid-template-columns: 104px 1fr; gap: 16px; align-items: center; margin-top: 16px; }
    .square-case img { display: block; width: 104px; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
    .square-case p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
    .quote-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
    .quote { padding: 18px; border: 1px solid var(--line); border-radius: 7px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { margin: 0 0 14px; color: #514b5e; font-size: 13px; }
    .quote h3 { margin: 0; font-size: 13px; }
    .quote p { margin: 2px 0 0; color: var(--muted); font-size: 11px; }
    .faq-list { display: grid; gap: 8px; }
    details { border-bottom: 1px solid var(--line); background: #fff; }
    summary { position: relative; padding: 15px 38px 15px 14px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 14px; top: 11px; color: var(--violet); font-size: 21px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0; padding: 0 14px 15px; color: var(--muted); font-size: 13px; }
    .article-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 30px; }
    .article-list a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .article-list a span:last-child { color: var(--violet); font-size: 12px; white-space: nowrap; }
    .form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
    .contact-copy p { color: var(--muted); }
    .contact-details { display: grid; gap: 8px; margin-top: 20px; font-size: 14px; }
    .contact-details a { color: var(--violet-dark); }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 700; }
    input, select, textarea { width: 100%; border: 1px solid #dcd6e7; border-radius: 5px; padding: 11px 12px; color: var(--ink); background: #fff; }
    input:focus, select:focus, textarea:focus { outline: 2px solid #cdbaf4; border-color: var(--violet); }
    textarea { min-height: 112px; resize: vertical; }
    form button { justify-self: start; cursor: pointer; }
    .join-band { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 25px 0; border-top: 1px solid var(--line); }
    .join-band h3 { margin: 0; font-size: 19px; }
    .join-band p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
    .site-footer { padding: 25px 0; border-top: 1px solid #e2dceb; background: #f1eef6; color: #373144; }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 12px; }
    .footer-links a { color: #51466a; }
    .copyright { margin: 18px 0 0; color: #6a6473; font-size: 11px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 18px; width: 66px; padding: 9px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); text-align: center; }
    .float-contact img { display: block; width: 48px; aspect-ratio: 1; object-fit: cover; }
    .float-contact span { display: block; margin-top: 4px; color: var(--ink); font-size: 10px; }
    .to-top { position: fixed; z-index: 14; right: 29px; bottom: 106px; display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--violet-dark); box-shadow: var(--shadow); cursor: pointer; }
    .to-top.visible { display: block; }
    .reveal { opacity: 0; transform: translateY(13px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.in-view { opacity: 1; transform: none; }
    @keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
    @media (max-width: 1040px) {
      .nav-row { flex-wrap: wrap; padding: 12px 0; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-cta { margin-left: 0; }
      .nav-links { display: none; order: 4; width: 100%; justify-content: flex-start; padding-top: 8px; border-top: 1px solid var(--line); }
      .nav-links.open { display: flex; }
    }
    @media (max-width: 760px) {
      .container { width: min(100% - 30px, 600px); }
      .hero { padding: 58px 0 40px; }
      .hero-inner, .intro-layout, .network-layout, .form-layout { grid-template-columns: 1fr; gap: 28px; }
      .script-panel { max-width: 520px; }
      .metrics { grid-template-columns: repeat(2,1fr); gap: 14px 0; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(3) { padding-left: 0; }
      section.content-section { padding: 55px 0; }
      .service-grid, .quote-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .industry-list { grid-template-columns: repeat(2,1fr); }
      .workflow { grid-template-columns: repeat(2,1fr); gap: 12px 20px; }
      .case-grid { grid-template-columns: 1fr; }
      .case { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; }
      .case .media { height: 100%; min-height: 120px; aspect-ratio: auto; }
      .article-list { grid-template-columns: 1fr; }
      .footer-top, .join-band { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 480px) {
      .brand img { width: 128px; }
      .nav-cta { padding: 8px 10px; font-size: 12px; }
      .nav-links { display: none; }
      .nav-links.open { display: grid; grid-template-columns: repeat(2,1fr); }
      .nav-links a { padding: 9px 5px; }
      .hero-actions .button { flex: 1 1 auto; }
      .service-grid, .quote-grid { grid-template-columns: 1fr; }
      .capability-strip { grid-template-columns: repeat(2,1fr); }
      .workflow { grid-template-columns: 1fr 1fr; }
      .rating { align-items: flex-start; flex-wrap: wrap; gap: 7px 13px; }
      form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .float-contact { right: 10px; bottom: 12px; }
      .to-top { right: 22px; bottom: 98px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }