:root {
      color-scheme: light;
      --ink: #18202d;
      --muted: #626c7c;
      --line: #e4e8ef;
      --paper: #fff;
      --base: #f8f9fc;
      --blue: #3458e8;
      --pink: #ee477c;
      --lime: #c9ed4b;
      --teal: #0a8e83;
      --orange: #f0a52e;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--base);
      color: var(--ink);
      font-family: Inter, "Noto Sans 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(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,255,255,.96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(12px);
    }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .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; flex-wrap: wrap; }
    .nav-links a { padding: 9px 8px; font-size: 12px; color: #515b6b; white-space: nowrap; }
    .nav-links a:hover { color: var(--blue); }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 17px;
      border: 0;
      border-radius: 5px;
      background: var(--blue);
      color: #fff;
      font-weight: 750;
      cursor: pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .nav-cta { flex: 0 0 auto; min-height: 39px; padding: 8px 13px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 9px 20px rgba(52,88,232,.2); }
    .button-light { background: #fff; color: var(--ink); }
    .button-outline { border: 1px solid #cad2e1; background: transparent; color: var(--ink); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--ink); cursor: pointer; }
    .hero {
      overflow: hidden;
      background: #17233f;
      color: #fff;
      position: relative;
      isolation: isolate;
    }
    .hero::before, .hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; }
    .hero::before {
      width: 460px; height: 460px; right: -120px; top: -225px;
      border: 1px solid rgba(201,237,75,.32); border-radius: 50%;
      box-shadow: 0 0 0 42px rgba(201,237,75,.045), 0 0 0 90px rgba(201,237,75,.035);
      animation: orbit 18s linear infinite;
    }
    .hero::after {
      width: 300px; height: 300px; right: 16%; bottom: -220px;
      background: #ee477c; transform: rotate(32deg); opacity: .88;
    }
    .hero-inner { padding-block: 82px 72px; position: relative; }
    .hero-copy { max-width: 720px; }
    .eyebrow { margin: 0 0 17px; color: var(--lime); font-size: 13px; font-weight: 800; }
    h1 { max-width: 680px; margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.1; }
    .hero-lede { max-width: 650px; margin: 22px 0 0; color: #d4dbea; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-actions .button:first-child { background: var(--lime); color: #17233f; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
    .hero-tags span { border: 1px solid rgba(255,255,255,.22); padding: 6px 10px; color: #e5eaf3; font-size: 12px; }
    .hero-mark { position: absolute; right: 4%; bottom: 47px; width: 150px; height: 150px; border: 1px solid rgba(255,255,255,.23); transform: rotate(45deg); }
    .hero-mark::before, .hero-mark::after { content: ""; position: absolute; inset: 24px; border: 1px solid rgba(201,237,75,.75); }
    .hero-mark::after { inset: 48px; background: var(--pink); border: 0; }
    .section { padding-block: 76px; }
    .section-white { background: var(--paper); }
    .section-tint { background: #eef1fa; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 720px; }
    .kicker { margin: 0 0 8px; color: var(--blue); font-size: 12px; font-weight: 850; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(27px, 4vw, 39px); line-height: 1.2; }
    .section-intro { max-width: 680px; margin: 12px 0 0; color: var(--muted); }
    h3 { margin: 0; font-size: 18px; line-height: 1.35; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: -1px; background: #fff; border-bottom: 1px solid var(--line); }
    .metric { padding: 25px 20px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--blue); font-size: 26px; line-height: 1.2; }
    .metric span { color: var(--muted); font-size: 13px; }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: start; }
    .intro-copy p { color: var(--muted); margin: 15px 0 0; }
    .signal-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; border-top: 2px solid var(--ink); }
    .signal { padding: 15px 0; border-bottom: 1px solid var(--line); }
    .signal b { display: block; margin-bottom: 3px; font-size: 14px; }
    .signal span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 22px; border-top: 1px solid var(--line); }
    .service { padding: 22px 0; border-bottom: 1px solid var(--line); }
    .service .index { color: var(--pink); font-size: 12px; font-weight: 800; }
    .service h3 { margin-top: 5px; }
    .service p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
    .all-services { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 8px; }
    .all-services span { padding: 6px 10px; background: #f0f2f7; color: #394355; font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
    .workflow article { border-top: 3px solid var(--blue); padding-top: 15px; counter-increment: step; }
    .workflow article::before { content: "0" counter(step); color: var(--pink); font-weight: 850; font-size: 13px; }
    .workflow h3 { margin-top: 8px; }
    .workflow p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
    .solution-strip { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; padding: 30px; background: #17233f; color: #fff; }
    .solution-strip p { margin: 10px 0 0; color: #d4dbea; }
    .solution-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
    .solution-list div { border-bottom: 1px solid rgba(255,255,255,.2); padding: 0 0 10px; }
    .solution-list b { display: block; font-size: 14px; color: var(--lime); }
    .solution-list span { font-size: 13px; color: #d4dbea; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; }
    .network span { padding: 9px 12px; border: 1px solid #d9deea; background: #fff; color: #344056; font-size: 13px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .timeline article { position: relative; padding: 19px 0 0; border-top: 2px solid var(--teal); }
    .timeline article::before { position: absolute; top: -7px; left: 0; width: 12px; height: 12px; content: ""; background: var(--teal); border: 2px solid var(--base); border-radius: 50%; }
    .timeline p { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .case { background: #fff; border: 1px solid var(--line); }
    .case-copy { padding: 19px; }
    .case-label { color: var(--teal); font-size: 12px; font-weight: 800; }
    .case h3 { margin-top: 6px; }
    .case p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
    .media-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 26px; }
    .media-row img { display: block; width: 100%; height: auto; }
    .media-square { max-width: 440px; margin-top: 18px; }
    .media-square img { display: block; width: 100%; height: auto; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .review { padding: 19px 0; border-top: 2px solid var(--pink); }
    .review p { margin: 0 0 15px; color: #3e4859; }
    .review b { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .rating-box { display: flex; align-items: center; gap: 24px; margin-bottom: 26px; padding: 20px 23px; background: #17233f; color: #fff; }
    .rating-box strong { font-size: 38px; line-height: 1; color: var(--lime); }
    .rating-box span { display: block; color: #e1e6ef; font-size: 13px; }
    .stars { color: var(--lime) !important; letter-spacing: 2px; font-size: 18px !important; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 680px; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #eef1fa; font-size: 13px; }
    td { font-size: 14px; color: #4e596a; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { color: var(--ink); font-weight: 750; }
    .fit-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; align-items: start; }
    .price-list { border-top: 2px solid var(--ink); }
    .price-row { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .price-row span { color: var(--muted); }
    .price-note { color: var(--muted); font-size: 13px; margin: 14px 0 0; }
    .fit-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #d5dbe6; border-radius: 3px; padding: 11px 12px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 108px; resize: vertical; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 35px 17px 0; cursor: pointer; font-weight: 750; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 3px; top: 12px; color: var(--blue); font-size: 22px; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: -4px 35px 17px 0; color: var(--muted); }
    .article-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; border-top: 1px solid var(--line); }
    .article-list a { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .article-list a:hover { color: var(--blue); }
    .article-list small { flex: 0 0 auto; color: var(--muted); }
    .contact-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 44px; align-items: start; }
    .contact-details { border-top: 2px solid var(--ink); }
    .contact-line { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .contact-line b { display: block; font-size: 13px; }
    .contact-line a, .contact-line span { color: var(--muted); font-size: 14px; }
    .qr { width: 160px; margin-top: 18px; }
    .qr img { display: block; width: 100%; height: auto; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px; background: #c9ed4b; }
    .join-band p { margin: 7px 0 0; color: #394126; }
    .join-band .button { background: #17233f; color: #fff; flex: 0 0 auto; }
    .site-footer { padding: 28px 0; background: #17233f; color: #fff; }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
    .footer-top p { margin: 5px 0 0; color: #d0d8e7; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }
    .footer-links a { color: #e1e7f1; font-size: 12px; }
    .footer-bottom { margin-top: 20px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.18); color: #cbd4e3; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 18px; display: grid; gap: 8px; }
    .float-contact a { min-width: 46px; padding: 10px 13px; background: var(--pink); color: #fff; text-align: center; font-size: 12px; font-weight: 800; box-shadow: 0 5px 16px rgba(24,32,45,.18); }
    .float-contact a:last-child { background: var(--blue); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: none; }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @media (max-width: 980px) {
      .nav-row { flex-wrap: wrap; padding-block: 11px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-cta { order: 2; }
      .nav-links { display: none; order: 3; width: 100%; justify-content: flex-start; padding: 5px 0 9px; border-top: 1px solid var(--line); }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 8px 10px 8px 0; margin-right: 9px; }
      .hero-mark { right: 8%; opacity: .6; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .section { padding-block: 55px; }
      .hero-inner { padding-block: 63px 55px; }
      .hero-lede { font-size: 15px; }
      .hero-mark { width: 100px; height: 100px; right: 8%; bottom: 24px; opacity: .42; }
      .hero-mark::before { inset: 17px; }
      .hero-mark::after { inset: 34px; }
      .metrics { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .section-head { display: block; }
      .intro-grid, .solution-strip, .fit-grid, .contact-layout { grid-template-columns: 1fr; gap: 28px; }
      .signal-list, .service-grid, .workflow, .case-grid, .review-grid, .timeline { grid-template-columns: 1fr 1fr; }
      .solution-strip { padding: 23px; }
      .media-row { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr; }
      .join-band { align-items: start; flex-direction: column; }
      .footer-top { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 440px) {
      .brand img { width: 32px; }
      .brand { font-size: 14px; }
      .nav-cta { padding-inline: 10px; font-size: 12px; }
      .signal-list, .service-grid, .workflow, .case-grid, .review-grid, .timeline, .solution-list { grid-template-columns: 1fr; }
      .fit-form { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .rating-box { gap: 16px; }
      .float-contact { right: 9px; bottom: 9px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }