:root {
      color-scheme: light;
      --ink: #17263c;
      --muted: #62718a;
      --blue: #1459d9;
      --blue-dark: #1047b2;
      --cyan: #1aaec2;
      --line: #dce5f1;
      --paper: #f4f7fc;
      --white: #fff;
      --green: #19866f;
      --shadow: 0 14px 36px rgba(25, 53, 94, .08);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    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;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid rgba(220, 229, 241, .9);
      background: rgba(255, 255, 255, .95);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; font-weight: 750; color: #17345e; }
    .brand img { width: 40px; max-height: 40px; object-fit: contain; }
    .brand-name { white-space: nowrap; font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 12px; color: #4c5b70; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--blue); }
    .nav-links .nav-cta { margin-left: 8px; padding: 10px 16px; color: white; border-radius: 5px; background: var(--blue); }
    .nav-toggle { display: none; width: 42px; height: 40px; border: 1px solid var(--line); border-radius: 5px; background: white; color: var(--ink); cursor: pointer; }
    .hero {
      position: relative;
      overflow: hidden;
      color: white;
      background: linear-gradient(115deg, #123d98 0%, #1459d9 56%, #087eaf 100%);
    }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; }
    .hero::before {
      inset: 0;
      opacity: .14;
      background-image: linear-gradient(rgba(255,255,255,.23) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.23) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(90deg, black, transparent 82%);
    }
    .hero::after {
      width: 380px; height: 380px; right: 3%; top: 20px;
      border: 1px solid rgba(255,255,255,.23); border-radius: 50%;
      box-shadow: 0 0 0 34px rgba(255,255,255,.045), 0 0 0 70px rgba(255,255,255,.035);
    }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(240px, .6fr); gap: 48px; align-items: center; padding-top: 76px; padding-bottom: 66px; }
    .hero-copy { max-width: 690px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 16px; color: #d6efff; font-size: 13px; font-weight: 650; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: #7be6ee; }
    h1 { max-width: 680px; margin: 0; font-size: clamp(38px, 5vw, 60px); line-height: 1.15; font-weight: 760; }
    .hero-copy > p { max-width: 620px; margin: 20px 0 0; color: #e2edff; font-size: 16px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border: 1px solid transparent; border-radius: 5px; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; cursor: pointer; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: #1445a0; background: white; box-shadow: 0 8px 20px rgba(7, 34, 91, .2); }
    .button-primary:hover { background: #eff6ff; }
    .button-ghost { color: white; border-color: rgba(255,255,255,.48); background: rgba(255,255,255,.08); }
    .button-ghost:hover { background: rgba(255,255,255,.16); }
    .hero-aside { position: relative; padding: 22px 0 22px 24px; border-left: 1px solid rgba(255,255,255,.27); }
    .hero-aside strong { display: block; font-size: 19px; }
    .hero-aside p { margin: 8px 0 0; color: #d6e8ff; font-size: 14px; }
    .hero-aside ul { display: grid; gap: 10px; margin: 20px 0 0; padding: 0; list-style: none; }
    .hero-aside li { display: flex; align-items: center; gap: 10px; color: #f2f7ff; font-size: 13px; }
    .hero-aside li::before { content: ""; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: #79e2e4; }
    .metric-band { position: relative; z-index: 2; margin-top: -1px; background: white; border-bottom: 1px solid var(--line); }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
    .metric { padding: 22px 18px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: #174da9; font-size: 21px; line-height: 1.3; }
    .metric span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 68px 0; }
    .section-white { background: white; }
    .section-heading { max-width: 720px; margin-bottom: 28px; }
    .section-kicker { margin: 0 0 8px; color: var(--blue); font-size: 12px; font-weight: 750; }
    h2 { margin: 0; color: #172b48; font-size: 30px; line-height: 1.3; }
    .section-heading > p:last-child { margin: 10px 0 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
    .intro-copy p { margin: 0 0 14px; color: #53627a; }
    .intro-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; margin: 0; padding: 0; list-style: none; }
    .intro-points li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .intro-points strong { display: block; color: #1c4d9e; }
    .intro-points span { color: var(--muted); font-size: 13px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
    .tag-cloud span { padding: 6px 10px; border: 1px solid #d6e2f2; border-radius: 3px; background: #f7faff; color: #455a79; font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service-item { padding: 20px; border: 1px solid var(--line); border-top: 3px solid #3973d4; background: white; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-item:hover { transform: translateY(-4px); border-color: #bfd1ed; box-shadow: var(--shadow); }
    .service-item h3 { margin: 0 0 8px; color: #1b3e74; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-item .service-type { display: block; margin-top: 13px; color: #14877e; font-size: 11px; font-weight: 700; }
    .feature-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 28px; border: 1px solid var(--line); background: white; }
    .feature-strip div { padding: 16px; border-right: 1px solid var(--line); }
    .feature-strip div:last-child { border-right: 0; }
    .feature-strip strong { display: block; font-size: 13px; }
    .feature-strip span { color: var(--muted); font-size: 12px; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: steps; }
    .step { position: relative; padding: 10px 24px 8px 0; counter-increment: steps; }
    .step::before { content: "0" counter(steps); display: block; margin-bottom: 14px; color: #1459d9; font-size: 24px; font-weight: 750; }
    .step:not(:last-child)::after { content: ""; position: absolute; top: 25px; left: 49px; right: 18px; height: 1px; background: #b9cce7; }
    .step h3 { margin: 0 0 7px; font-size: 15px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
    .solution-list { margin: 0; padding: 0; list-style: none; }
    .solution-list li { padding: 12px 0; border-bottom: 1px solid var(--line); color: #526179; font-size: 14px; }
    .solution-list strong { color: #1d3d6d; }
    .media-pair { display: grid; gap: 14px; }
    .media-frame { overflow: hidden; border: 1px solid var(--line); background: white; }
    .media-frame img { width: 100%; height: auto; object-fit: contain; }
    .media-caption { padding: 10px 13px; color: var(--muted); font-size: 12px; }
    .score-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin: 0 0 20px; padding: 18px 20px; border-left: 4px solid var(--blue); background: #edf4ff; }
    .score-number { color: #144fad; font-size: 32px; font-weight: 800; line-height: 1; }
    .score-meta strong { display: block; }
    .score-meta span { color: var(--muted); font-size: 13px; }
    .stars { color: #c78208; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: white; }
    table { width: 100%; border-collapse: collapse; text-align: left; min-width: 680px; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13px; }
    th { color: #234573; background: #eff4fb; font-weight: 700; }
    td { color: #53627a; }
    td:first-child { color: #273b59; font-weight: 650; }
    tbody tr:last-child td { border-bottom: 0; }
    .good { color: #137662; font-weight: 700; }
    .quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote { display: flex; flex-direction: column; min-height: 175px; padding: 18px; border: 1px solid var(--line); background: white; }
    .quote p { margin: 0; color: #4f5e74; font-size: 14px; }
    .quote footer { margin-top: auto; padding-top: 16px; color: #1d4c91; font-size: 12px; font-weight: 700; background: transparent; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); background: transparent; }
    .faq-item summary { position: relative; padding: 16px 42px 16px 0; color: #233a5b; font-weight: 680; cursor: pointer; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; top: 12px; right: 8px; color: var(--blue); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { margin: -4px 30px 17px 0; color: var(--muted); font-size: 14px; }
    .news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; }
    .news-item { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); color: #244773; font-size: 14px; }
    .news-item span { color: #718099; font-size: 12px; white-space: nowrap; }
    .cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 28px; border-left: 4px solid var(--cyan); background: #eaf6fb; }
    .cta-band h2 { font-size: 22px; }
    .cta-band p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
    .button-blue { color: white; background: var(--blue); }
    .button-blue:hover { background: var(--blue-dark); box-shadow: 0 8px 18px rgba(20, 89, 217, .2); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
    .contact-details { display: grid; gap: 11px; margin: 22px 0 0; padding: 0; list-style: none; }
    .contact-details li { color: #51617a; font-size: 14px; }
    .contact-details strong { display: inline-block; min-width: 92px; color: #203a60; }
    .contact-details a { color: #1459d9; }
    .contact-qr { width: 128px; margin-top: 18px; padding: 7px; border: 1px solid var(--line); background: white; }
    .contact-qr img { width: 100%; }
    .request-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
    .field { display: grid; gap: 5px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { color: #364a67; font-size: 12px; font-weight: 650; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; border: 1px solid #ccd8e8; border-radius: 4px; padding: 11px 12px; outline: none; color: var(--ink); background: white; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #4380df; box-shadow: 0 0 0 3px rgba(20, 89, 217, .1); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-status { grid-column: 1 / -1; min-height: 1.5em; margin: 0; color: #187763; font-size: 13px; }
    .site-footer { margin-top: 0; padding: 23px 0; border-top: 1px solid var(--line); color: #344760; background: #e9eef6; }
    .footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
    .footer-brand { font-weight: 750; }
    .footer-copy { color: #53627a; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 17px; font-size: 12px; }
    .footer-links a { color: #2c527f; }
    .floating-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; }
    .floating-contact a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 1px solid rgba(255,255,255,.3); border-radius: 5px; color: white; background: #1459d9; box-shadow: 0 8px 22px rgba(20, 63, 137, .24); font-size: 13px; font-weight: 700; }
    .floating-contact a:hover { background: #1047b2; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: none; }
    @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: 920px) {
      .nav-links a { padding-inline: 8px; font-size: 12px; }
      .nav-links .nav-cta { margin-left: 4px; padding-inline: 12px; }
      .hero-inner { grid-template-columns: minmax(0, 1.2fr) minmax(210px, .8fr); gap: 28px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; }
      .nav-toggle { display: inline-grid; place-items: center; }
      .nav-links { display: none; position: absolute; top: 63px; left: 0; right: 0; padding: 8px 16px 14px; border-bottom: 1px solid var(--line); background: white; box-shadow: 0 12px 20px rgba(20, 43, 79, .08); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, 1fr); align-items: stretch; }
      .nav-links a { padding: 11px 10px; font-size: 14px; }
      .nav-links .nav-cta { margin-left: 0; text-align: center; }
      .hero-inner { grid-template-columns: 1fr; gap: 32px; padding-top: 54px; padding-bottom: 42px; }
      .hero::after { width: 220px; height: 220px; top: 205px; right: -64px; }
      h1 { font-size: 41px; }
      .hero-aside { max-width: 500px; padding-top: 18px; padding-bottom: 0; }
      .metrics { grid-template-columns: repeat(2, 1fr); }
      .metric { padding: 16px 14px; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .section { padding: 50px 0; }
      h2 { font-size: 26px; }
      .intro-grid, .solution-grid, .contact-grid { grid-template-columns: 1fr; gap: 25px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
      .service-item { padding: 15px; }
      .feature-strip { grid-template-columns: repeat(2, 1fr); }
      .feature-strip div:nth-child(2) { border-right: 0; }
      .feature-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .steps { grid-template-columns: repeat(2, 1fr); gap: 22px 12px; }
      .step:not(:last-child)::after { display: none; }
      .quotes { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 480px) {
      .brand-name { font-size: 15px; }
      .hero-actions { align-items: stretch; }
      .hero-actions .button { flex: 1 1 auto; }
      .service-grid, .quotes { grid-template-columns: 1fr; }
      .quote { min-height: 0; }
      .quote footer { padding-top: 12px; }
      .intro-points { grid-template-columns: 1fr; }
      .cta-band { align-items: flex-start; flex-direction: column; padding: 20px; }
      .request-form { grid-template-columns: 1fr; }
      .field-wide, .form-status { grid-column: auto; }
      .footer-row { align-items: flex-start; flex-direction: column; }
      .floating-contact { right: 12px; bottom: 12px; }
    }