:root {
      color-scheme: light;
      --ink: #202438;
      --muted: #667085;
      --paper: #f7f8fb;
      --white: #fff;
      --line: #e5e8ef;
      --blue: #3659e3;
      --cyan: #16a6b6;
      --pink: #d84b8a;
      --lime: #d9f36a;
      --navy: #202a49;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 86px; }
    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; }
    button, a { -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;
      border-bottom: 1px solid rgba(32,36,56,.08);
      background: rgba(255,255,255,.94);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: flex; align-items: center; flex: 0 0 auto; gap: 11px; font-weight: 750; font-size: 17px; }
    .brand img { display: block; width: 38px; max-height: 40px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #454b5e; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--blue); }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 0 18px;
      border: 0;
      border-radius: 4px;
      background: var(--blue);
      color: #fff;
      font-weight: 700;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(54,89,227,.22); background: #294bd0; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 4px; cursor: pointer; }
    .hero {
      position: relative;
      overflow: hidden;
      background: #f0f3ff;
      border-bottom: 1px solid #e4e8fb;
    }
    .hero::before {
      position: absolute;
      inset: 0;
      content: "";
      pointer-events: none;
      background-image: linear-gradient(rgba(58,82,183,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(58,82,183,.045) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.42) 72%, transparent 100%);
    }
    .hero::after {
      position: absolute;
      top: 0;
      right: 7%;
      width: 7px;
      height: 100%;
      content: "";
      background: var(--lime);
      transform: skewX(-15deg);
    }
    .hero-inner { position: relative; z-index: 1; padding-block: 66px 44px; }
    .hero-copy { max-width: 760px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #4055a7; font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .eyebrow::before { width: 22px; height: 3px; content: ""; background: var(--pink); }
    h1 { max-width: 720px; margin: 15px 0 14px; font-size: clamp(36px, 6vw, 64px); line-height: 1.1; letter-spacing: 0; }
    .hero-copy p { max-width: 650px; margin: 0; color: #525a70; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 25px; }
    .button-light { border: 1px solid #b9c3e4; background: #fff; color: #28375e; }
    .button-light:hover { background: #f8f9ff; }
    .hero-note { color: #69718a; font-size: 12px; }
    .hero-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; max-width: 860px; margin-top: 44px; border-top: 1px solid #d8def3; }
    .metric { padding: 18px 20px 0 0; }
    .metric + .metric { padding-left: 22px; border-left: 1px solid #d8def3; }
    .metric strong { display: block; font-size: 20px; }
    .metric span { color: #68718a; font-size: 12px; }
    .strip { background: var(--navy); color: #fff; }
    .strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-block: 16px; }
    .strip-label { color: #cbd3e8; font-size: 12px; font-weight: 700; }
    .model-list { display: flex; flex-wrap: wrap; gap: 8px 18px; color: #fff; font-size: 13px; }
    .model-list span { white-space: nowrap; }
    .section { padding-block: 68px; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
    .section-kicker { margin-bottom: 7px; color: var(--pink); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: 32px; line-height: 1.2; letter-spacing: 0; }
    .section-head p { max-width: 560px; margin: 0; color: var(--muted); font-size: 14px; }
    .intro-band { background: #fff; border-bottom: 1px solid var(--line); }
    .intro-layout { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 48px; }
    .intro-statement { padding-left: 21px; border-left: 4px solid var(--cyan); }
    .intro-statement p { margin: 0 0 15px; color: #4e566a; }
    .intro-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--line); }
    .intro-point { padding: 16px 0; border-bottom: 1px solid var(--line); }
    .intro-point strong { display: block; margin-bottom: 3px; font-size: 14px; }
    .intro-point span { color: var(--muted); font-size: 13px; }
    .service-section { background: #f1f3fa; }
    .service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid #dfe3ed; background: #dfe3ed; }
    .service-item { min-height: 158px; padding: 20px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service-item:hover { position: relative; z-index: 1; transform: translateY(-3px); box-shadow: 0 12px 24px rgba(35,48,89,.1); }
    .service-item .index { color: #a0a8bd; font-size: 11px; font-weight: 800; }
    .service-item h3 { margin: 12px 0 6px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
    .workflow article { position: relative; padding-top: 17px; border-top: 2px solid #cdd4e6; }
    .workflow article::before { counter-increment: step; content: "0" counter(step); color: var(--blue); font-size: 12px; font-weight: 800; }
    .workflow h3 { margin: 8px 0 5px; font-size: 16px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 13px; }
    .solutions { background: #fff; border-block: 1px solid var(--line); }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .solution-column h3 { margin: 0 0 15px; font-size: 20px; }
    .solution-list { margin: 0; padding: 0; list-style: none; }
    .solution-list li { display: flex; justify-content: space-between; gap: 15px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
    .solution-list span:last-child { color: var(--muted); text-align: right; }
    .compare-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    .compare-table { width: 100%; min-width: 700px; border-collapse: collapse; text-align: left; }
    .compare-table th, .compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 13px; }
    .compare-table thead th { background: #edf1ff; color: #25345f; }
    .compare-table tbody tr:last-child td { border-bottom: 0; }
    .compare-table td:first-child { font-weight: 700; }
    .score { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; padding: 19px 22px; background: #202a49; color: #fff; }
    .score strong { font-size: 24px; }
    .score span { color: #d8def1; font-size: 13px; }
    .stars { color: var(--lime); letter-spacing: 0; }
    .case-section { background: #f1f3fa; }
    .case-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
    .case-feature { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 22px; padding: 22px; background: #fff; border: 1px solid var(--line); }
    .media-frame { overflow: hidden; background: #eceef4; }
    .media-frame img { display: block; width: 100%; height: auto; object-fit: contain; }
    .case-feature h3, .case-note h3 { margin: 0 0 8px; font-size: 19px; }
    .case-feature p, .case-note p { margin: 0; color: var(--muted); font-size: 13px; }
    .case-note { display: flex; flex-direction: column; justify-content: space-between; gap: 20px; padding: 22px; background: #e4f6f5; border-left: 4px solid var(--cyan); }
    .case-note .media-frame { max-width: 190px; }
    .reviews { background: #fff; }
    .review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--line); }
    .review { padding: 19px 0; border-bottom: 1px solid var(--line); }
    .review blockquote { margin: 0 0 12px; color: #454d60; font-size: 14px; }
    .review cite { color: #667085; font-size: 12px; font-style: normal; font-weight: 700; }
    .needs { display: grid; grid-template-columns: .8fr 1.2fr; align-items: start; gap: 40px; }
    .needs-copy { padding: 22px; background: #e9f8f6; border-top: 4px solid var(--cyan); }
    .needs-copy h3 { margin: 0 0 9px; font-size: 19px; }
    .needs-copy p { margin: 0; color: #526171; font-size: 14px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 700; }
    .field input, .field select, .field textarea {
      width: 100%;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid #d9deea;
      border-radius: 3px;
      background: #fff;
      color: var(--ink);
      outline: none;
    }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(54,89,227,.1); }
    .form-foot { display: flex; align-items: center; gap: 14px; margin-top: 15px; }
    .form-foot small { color: var(--muted); font-size: 11px; }
    .faq-section { background: #f1f3fa; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    details { border-top: 1px solid #d9deea; }
    details:last-child { border-bottom: 1px solid #d9deea; }
    summary { position: relative; padding: 15px 28px 15px 0; cursor: pointer; font-size: 14px; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; right: 2px; top: 14px; content: "+"; color: var(--blue); font-size: 20px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { margin: -3px 0 16px; color: var(--muted); font-size: 13px; }
    .article-links { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
    .article-links a { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 14px; border: 1px solid var(--line); background: #fff; font-size: 12px; font-weight: 700; transition: border-color .2s ease, transform .2s ease; }
    .article-links a:hover { transform: translateY(-2px); border-color: var(--blue); }
    .article-links span { color: var(--blue); }
    .contact-band { background: #202a49; color: #fff; }
    .contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; align-items: start; }
    .contact-band .section-kicker { color: var(--lime); }
    .contact-band h2 { color: #fff; }
    .contact-band p { color: #d1d7e8; }
    .contact-details { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-top: 22px; }
    .contact-details div { padding-top: 10px; border-top: 1px solid rgba(255,255,255,.18); }
    .contact-details strong { display: block; color: #fff; font-size: 12px; }
    .contact-details span, .contact-details a { color: #d1d7e8; font-size: 13px; }
    .qr { width: 132px; padding: 7px; background: #fff; }
    .qr img { display: block; width: 100%; height: auto; }
    .contact-form { padding: 22px; background: #fff; color: var(--ink); }
    .contact-form h3 { margin: 0 0 15px; font-size: 18px; }
    .footer { padding-block: 24px; background: #eef0f5; color: #32384c; }
    .footer-top { display: flex; justify-content: space-between; gap: 25px; align-items: start; }
    .footer-brand { font-weight: 800; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; color: #4d566b; font-size: 12px; }
    .footer-links a:hover { color: var(--blue); }
    .copyright { margin-top: 16px; padding-top: 12px; border-top: 1px solid #d9dde6; color: #667085; font-size: 11px; }
    .floating-contact { position: fixed; z-index: 15; right: 18px; bottom: 22px; display: flex; flex-direction: column; gap: 8px; }
    .floating-contact a, .back-top { display: inline-flex; align-items: center; justify-content: center; min-width: 46px; min-height: 46px; padding: 0 12px; border: 1px solid #dfe3ec; background: #fff; color: #273453; box-shadow: 0 6px 20px rgba(22,32,58,.13); font-size: 12px; font-weight: 800; }
    .back-top { display: none; cursor: pointer; }
    .back-top.visible { display: inline-flex; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.in-view { opacity: 1; transform: translateY(0); }
    @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) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding-inline: 12px; font-size: 12px; }
      .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; }
      .menu-toggle { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; }
      .nav-cta { display: none; }
      .nav-links { position: absolute; top: 64px; left: 0; right: 0; display: none; padding: 8px 16px 14px; border-bottom: 1px solid var(--line); background: #fff; }
      .nav-links.open { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
      .nav-links a { padding: 11px 10px; border-bottom: 1px solid #f0f1f5; font-size: 13px; }
      .hero-inner { padding-block: 48px 34px; }
      .hero::after { right: 4%; width: 4px; }
      .hero-metrics { grid-template-columns: 1fr 1fr; row-gap: 16px; margin-top: 32px; }
      .metric:nth-child(3) { padding-left: 0; border-left: 0; }
      .metric:nth-child(3), .metric:nth-child(4) { border-top: 1px solid #d8def3; padding-top: 13px; }
      .section { padding-block: 50px; }
      .section-head { display: block; }
      .section-head p { margin-top: 10px; }
      .intro-layout, .solution-grid, .needs, .contact-layout { grid-template-columns: 1fr; gap: 24px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 24px; }
      .case-grid { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr 1fr; gap: 0 18px; }
      .faq-list { grid-template-columns: 1fr; }
      .article-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-top { flex-direction: column; }
    }
    @media (max-width: 480px) {
      .hero-actions { align-items: stretch; }
      .hero-actions .button { width: 100%; }
      .hero-note { width: 100%; }
      .hero-metrics { max-width: none; }
      .metric { padding-right: 10px; }
      .metric + .metric { padding-left: 12px; }
      .service-grid { grid-template-columns: 1fr 1fr; }
      .service-item { min-height: 168px; padding: 15px; }
      .service-item h3 { font-size: 15px; }
      .intro-points { grid-template-columns: 1fr; }
      .case-feature { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field-wide { grid-column: auto; }
      .score { align-items: flex-start; flex-direction: column; }
      .contact-details { grid-template-columns: 1fr; }
      .floating-contact { right: 10px; bottom: 12px; }
    }