:root {
      color-scheme: light;
      --ink: #202438;
      --muted: #596174;
      --paper: #fffdf9;
      --surface: #ffffff;
      --line: #e9e7e3;
      --coral: #f35e62;
      --coral-dark: #c9424c;
      --lemon: #ffe47a;
      --mint: #bdeedc;
      --blue: #d8e9ff;
      --lilac: #eadcff;
      --shadow: 0 14px 38px rgba(40, 45, 70, .08);
      --container: 1160px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }

    .site-header {
      position: sticky;
      z-index: 30;
      top: 0;
      background: rgba(255, 253, 249, .96);
      border-bottom: 1px solid rgba(32, 36, 56, .08);
      backdrop-filter: blur(12px);
    }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; white-space: nowrap; }
    .brand img { display: block; width: 42px; height: 42px; object-fit: contain; }
    .brand span { font-size: 18px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 10px 8px; color: #43485a; text-decoration: none; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--coral-dark); }
    .nav-links .nav-cta { margin-left: 10px; padding: 9px 15px; border-radius: 6px; background: var(--ink); color: white; font-weight: 700; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--ink); cursor: pointer; }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 18px; height: 2px; background: currentColor; position: relative; margin: auto; content: ""; }
    .menu-toggle span::before { position: absolute; top: -6px; }
    .menu-toggle span::after { position: absolute; top: 6px; }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 78px 0 54px;
      background-color: #fff5df;
      background-image: linear-gradient(115deg, #fff5df 0%, #fff1ea 49%, #f2f7ff 100%);
    }
    .hero::before, .hero::after { position: absolute; content: ""; pointer-events: none; border-radius: 50%; }
    .hero::before { width: 210px; height: 210px; right: 9%; top: 22px; background: var(--lemon); opacity: .68; }
    .hero::after { width: 126px; height: 126px; right: 24%; bottom: 24px; background: var(--mint); opacity: .8; }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(250px, .8fr); gap: 42px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #8a4a3d; font-size: 13px; font-weight: 800; letter-spacing: 0; }
    .eyebrow::before { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); content: ""; }
    h1 { max-width: 720px; margin: 14px 0 16px; font-size: clamp(36px, 5vw, 60px); line-height: 1.14; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 0; color: #4e5363; font-size: 17px; }
    .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; font-weight: 750; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(32, 36, 56, .14); }
    .button-primary { background: var(--coral); color: #fff; }
    .button-primary:hover { background: var(--coral-dark); }
    .button-light { border-color: rgba(32, 36, 56, .16); background: rgba(255,255,255,.78); color: var(--ink); }
    .hero-aside { position: relative; padding: 24px; border: 1px solid rgba(255,255,255,.9); border-radius: 10px; background: rgba(255,255,255,.76); box-shadow: var(--shadow); }
    .hero-aside h2 { margin: 0 0 8px; font-size: 19px; }
    .hero-aside p { margin: 0; color: var(--muted); font-size: 14px; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 17px; }
    .hero-tags span { padding: 6px 10px; border-radius: 4px; background: #fff0bd; color: #51442a; font-size: 12px; font-weight: 700; }
    .metrics { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 44px; }
    .metric { padding: 15px 16px; border: 1px solid rgba(32,36,56,.08); border-radius: 7px; background: rgba(255,255,255,.84); }
    .metric strong { display: block; font-size: 20px; line-height: 1.25; }
    .metric span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }

    main { overflow: hidden; }
    .section { padding: 72px 0; }
    .section-soft { background: #f8f8f3; }
    .section-color { background: #fff0e8; }
    .section-head { max-width: 700px; margin-bottom: 30px; }
    .section-kicker { margin: 0 0 7px; color: var(--coral-dark); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: 32px; line-height: 1.25; letter-spacing: 0; }
    .section-head > p:last-child { margin: 12px 0 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: start; }
    .intro-copy p { margin: 0 0 14px; color: #464c5c; }
    .principles { padding-left: 20px; border-left: 3px solid var(--coral); }
    .principles h3 { margin: 0 0 8px; font-size: 18px; }
    .principles ul { margin: 0; padding-left: 18px; color: var(--muted); }
    .principles li + li { margin-top: 6px; }

    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
    .service { min-height: 172px; padding: 20px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); transition: transform .2s ease, box-shadow .2s ease; }
    .service:hover, .quote:hover, .case:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .service:nth-child(3n+1) { border-top: 4px solid #ff9b86; }
    .service:nth-child(3n+2) { border-top: 4px solid #8ddcc1; }
    .service:nth-child(3n) { border-top: 4px solid #9ebdf4; }
    .service h3 { margin: 0 0 7px; font-size: 17px; }
    .service p { margin: 0; color: var(--muted); font-size: 14px; }
    .feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 22px; padding: 21px; border-radius: 7px; background: #eaf7f1; }
    .feature-strip h3 { margin: 0 0 5px; font-size: 16px; }
    .feature-strip p { margin: 0; color: var(--muted); font-size: 13px; }

    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: steps; }
    .step { position: relative; padding: 18px 22px 18px 0; border-top: 2px solid #f1a18c; counter-increment: steps; }
    .step::before { display: block; margin-bottom: 12px; color: var(--coral-dark); content: "0" counter(steps); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 6px; font-size: 16px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }

    .solution-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
    .solution { display: grid; grid-template-columns: 122px 1fr; gap: 14px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); }
    .solution h3 { margin: 0; font-size: 15px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; }
    .network span { padding: 8px 12px; border: 1px solid #dce5df; border-radius: 4px; background: #fff; color: #3d4b47; font-size: 13px; }
    .network-note { margin: 15px 0 0; color: var(--muted); font-size: 13px; }

    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 7px; background: white; }
    .comparison { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    .comparison th, .comparison td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
    .comparison th { background: #f6f6f2; font-size: 13px; }
    .comparison td { color: #515767; font-size: 14px; }
    .comparison td:first-child { color: var(--ink); font-weight: 700; }
    .rating { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-bottom: 18px; padding: 17px 20px; border-radius: 7px; background: #fff3c7; }
    .rating strong { font-size: 22px; }
    .stars { color: #b85e19; letter-spacing: 0; font-size: 19px; }

    .matching { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; align-items: start; }
    .matching-copy { padding: 20px 0; }
    .matching-copy p { color: var(--muted); }
    .matching-copy ul { padding-left: 20px; color: #42495a; }
    .matching-copy li + li { margin-top: 7px; }
    .form-panel { padding: 24px; border: 1px solid var(--line); border-radius: 7px; background: white; box-shadow: var(--shadow); }
    .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #d9dbe1; border-radius: 5px; outline: none; background: #fff; color: var(--ink); }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #ef7772; box-shadow: 0 0 0 3px rgba(243,94,98,.12); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-submit { margin-top: 14px; }
    .form-note { margin: 10px 0 0; color: var(--muted); font-size: 12px; }

    .case-grid, .quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .case { overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: white; transition: transform .2s ease, box-shadow .2s ease; }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .case-body { padding: 16px; }
    .case-body h3 { margin: 0 0 5px; font-size: 16px; }
    .case-body p { margin: 0; color: var(--muted); font-size: 13px; }
    .quote { padding: 19px; border: 1px solid var(--line); border-radius: 7px; background: white; transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { margin: 0; color: #42495a; font-size: 14px; }
    .quote p { margin: 13px 0 0; color: #34394a; font-size: 13px; font-weight: 750; }
    .quote span { display: block; color: var(--muted); font-weight: 400; }

    .price-band { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 24px; border-radius: 7px; background: #eaf1ff; }
    .price-band h3 { margin: 0 0 5px; font-size: 19px; }
    .price-band p { margin: 0; color: var(--muted); }
    .price-band .button { white-space: nowrap; }

    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 16px 35px 16px 0; cursor: pointer; list-style: none; font-weight: 750; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; right: 5px; top: 14px; content: "+"; color: var(--coral-dark); font-size: 22px; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: 0 0 17px; color: var(--muted); font-size: 14px; }

    .article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; }
    .article-list a { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 650; }
    .article-list a::after { flex: 0 0 auto; color: var(--coral-dark); content: "↗"; }
    .article-list a:hover { color: var(--coral-dark); }
    .resource-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .resource-cloud span { padding: 6px 10px; border-radius: 4px; background: #efeaff; color: #514477; font-size: 12px; }

    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
    .contact-info p { color: var(--muted); }
    .contact-lines { display: grid; gap: 7px; margin-top: 17px; }
    .contact-lines a { width: fit-content; color: var(--ink); text-decoration-color: #f38d7f; text-underline-offset: 4px; }
    .qr-panel { display: flex; align-items: center; gap: 18px; padding: 17px; border: 1px solid var(--line); border-radius: 7px; background: white; }
    .qr-panel img { width: 128px; aspect-ratio: 1; object-fit: contain; }
    .qr-panel p { margin: 4px 0; color: var(--muted); font-size: 13px; }
    .join-band { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
    .join-band h3 { margin: 0 0 4px; font-size: 19px; }
    .join-band p { margin: 0; color: var(--muted); }

    .site-footer { padding: 28px 0; border-top: 1px solid var(--line); background: #f5f5f1; color: #333849; }
    .footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
    .footer-links a { color: #404657; font-size: 13px; text-decoration: none; }
    .footer-links a:hover { color: var(--coral-dark); }
    .copyright { margin: 18px 0 0; padding-top: 13px; border-top: 1px solid #deded9; color: #616677; font-size: 12px; }
    .float-contact { position: fixed; z-index: 25; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { display: grid; min-width: 48px; min-height: 48px; place-items: center; padding: 8px; border-radius: 6px; background: var(--ink); color: white; text-decoration: none; font-size: 12px; font-weight: 750; box-shadow: 0 6px 20px rgba(32,36,56,.18); }
    .float-contact a:first-child { background: var(--coral); }

    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }

    @media (max-width: 980px) {
      .menu-toggle { display: inline-grid; place-items: center; }
      .header-inner { position: relative; }
      .nav-links { display: none; position: absolute; top: calc(100% - 1px); left: 0; right: 0; align-items: stretch; padding: 10px 12px 14px; border: 1px solid var(--line); border-top: 0; background: var(--paper); box-shadow: var(--shadow); }
      .nav-links.is-open { display: flex; }
      .nav-links a { flex: 1 1 25%; padding: 9px 7px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero-inner { grid-template-columns: 1fr .72fr; gap: 24px; }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 56px 0 38px; }
      .hero-inner, .intro-grid, .matching, .contact-grid { grid-template-columns: 1fr; }
      .hero-inner { gap: 26px; }
      .hero-aside { max-width: 460px; }
      .metrics { grid-template-columns: repeat(2, 1fr); margin-top: 28px; }
      .section { padding: 54px 0; }
      h2 { font-size: 27px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .feature-strip { grid-template-columns: 1fr; gap: 15px; }
      .workflow { grid-template-columns: repeat(2, 1fr); gap: 10px 20px; }
      .solution-list { grid-template-columns: 1fr; }
      .case-grid, .quote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .article-list { grid-template-columns: 1fr; }
      .footer-top { flex-direction: column; }
    }
    @media (max-width: 480px) {
      .brand span { font-size: 16px; }
      .brand img { width: 36px; height: 36px; }
      .hero::before { right: -90px; }
      .hero::after { right: 7%; }
      h1 { font-size: 36px; }
      .hero-copy { font-size: 15px; }
      .nav-links a { flex-basis: 33.333%; font-size: 12px; }
      .service-grid, .case-grid, .quote-grid { grid-template-columns: 1fr; }
      .service { min-height: 0; }
      .workflow { grid-template-columns: 1fr; }
      .solution { grid-template-columns: 104px 1fr; gap: 10px; }
      .form-panel { padding: 17px; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .price-band, .join-band { grid-template-columns: 1fr; display: grid; }
      .qr-panel { align-items: flex-start; }
      .qr-panel img { width: 100px; }
    }