:root {
      color-scheme: light;
      --ink: #25222a;
      --muted: #68616c;
      --pink: #d83268;
      --pink-dark: #a9194d;
      --pink-pale: #fff0f4;
      --rose-line: #f0d9df;
      --paper: #fffafb;
      --white: #fff;
      --plum: #342234;
      --green: #276b54;
      --gold: #a86718;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    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, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,250,251,.96);
      border-bottom: 1px solid rgba(228,199,208,.72);
      backdrop-filter: blur(14px);
    }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .ai-page-logo { display: block; width: 154px; max-width: 100%; height: auto; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 10px 12px; color: #514650; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--pink); }
    .nav-links .nav-cta { padding: 10px 17px; margin-left: 8px; border-radius: 4px; background: var(--pink); color: var(--white); font-weight: 700; }
    .nav-toggle { display: none; border: 1px solid var(--rose-line); background: var(--white); border-radius: 4px; color: var(--ink); padding: 8px 12px; cursor: pointer; }
    .hero {
      overflow: hidden;
      position: relative;
      background: #fff1f5;
      border-bottom: 1px solid var(--rose-line);
    }
    .hero::before {
      content: "";
      position: absolute;
      width: 460px;
      aspect-ratio: 1;
      border: 1px solid #edb8c8;
      border-radius: 50%;
      right: -170px;
      top: -265px;
      box-shadow: 0 0 0 38px rgba(232,150,174,.08), 0 0 0 88px rgba(232,150,174,.06);
      animation: orbit 18s linear infinite;
      pointer-events: none;
    }
    .hero::after {
      content: "";
      position: absolute;
      width: 10px;
      height: 10px;
      right: 15%;
      top: 28%;
      border-radius: 50%;
      background: var(--pink);
      box-shadow: 0 0 0 10px rgba(216,50,104,.12);
      animation: pulse 3s ease-in-out infinite;
    }
    .hero-inner { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 55px; }
    .hero-copy { max-width: 760px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--pink-dark); font-size: 13px; font-weight: 750; letter-spacing: 0; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; }
    h1 { max-width: 680px; margin: 17px 0 15px; font-size: clamp(38px, 6vw, 66px); line-height: 1.1; letter-spacing: 0; }
    .hero-copy > p { max-width: 650px; margin: 0; color: #5d5159; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 20px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 9px 20px rgba(152,39,80,.15); }
    .button-primary { background: var(--pink); color: var(--white); }
    .button-primary:hover { background: var(--pink-dark); }
    .button-secondary { border-color: #dcb6c2; background: rgba(255,255,255,.72); color: var(--plum); }
    .hero-note { margin-top: 18px; color: #74636c; font-size: 13px; }
    .hero-note strong { color: var(--pink-dark); }
    .hero-data { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 42px; border-top: 1px solid #e8cbd3; }
    .hero-stat { padding: 18px 20px 0 0; }
    .hero-stat + .hero-stat { padding-left: 20px; border-left: 1px solid #e8cbd3; }
    .hero-stat strong { display: block; color: var(--plum); font-size: 18px; }
    .hero-stat span { color: var(--muted); font-size: 13px; }
    .section { padding: 68px 0; }
    .section-tint { background: #fff3f6; border-block: 1px solid #f3e0e5; }
    .section-dark { background: var(--plum); color: var(--white); }
    .section-dark .section-lead, .section-dark .section-kicker { color: #efc8d5; }
    .section-dark .section-title { color: var(--white); }
    .section-head { max-width: 760px; margin-bottom: 30px; }
    .section-kicker { display: block; margin-bottom: 7px; color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    .section-title { margin: 0; font-size: 32px; line-height: 1.25; letter-spacing: 0; }
    .section-lead { margin: 10px 0 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr); gap: 42px; align-items: start; }
    .intro-copy p { margin: 0 0 15px; color: #514b52; }
    .signal-list { display: grid; gap: 12px; margin: 4px 0 0; padding: 0; list-style: none; }
    .signal-list li { display: flex; gap: 12px; padding: 0 0 12px; border-bottom: 1px solid var(--rose-line); color: #514b52; }
    .signal-list li::before { content: "✓"; flex: 0 0 auto; color: var(--pink); font-weight: 800; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 0 28px; border-top: 1px solid var(--rose-line); }
    .service-item { padding: 22px 0 20px; border-bottom: 1px solid var(--rose-line); }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-number { display: block; margin-bottom: 8px; color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    .tool-strip { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
    .tool-strip span { padding: 6px 10px; border: 1px solid #e9ccd5; border-radius: 3px; background: var(--white); color: #5c4650; font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 22px; counter-reset: steps; }
    .workflow-step { position: relative; padding-top: 44px; border-top: 2px solid #e3b0c0; }
    .workflow-step::before { counter-increment: steps; content: "0" counter(steps); position: absolute; top: -16px; left: 0; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid #d993aa; border-radius: 50%; background: #fff3f6; color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    .workflow-step h3 { margin: 0 0 8px; font-size: 17px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry-list { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0 20px; }
    .industry-item { padding: 16px 0; border-bottom: 1px solid #5a4656; }
    .industry-item strong { display: block; margin-bottom: 5px; color: #fff; font-size: 15px; }
    .industry-item span { color: #dbcbd6; font-size: 13px; }
    .network-row { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--rose-line); }
    .network-row strong { color: var(--pink-dark); }
    .network-row p { margin: 0; color: #544c54; }
    .comparison { overflow: hidden; border: 1px solid var(--rose-line); border-radius: 4px; background: var(--white); }
    .comparison-scroll { overflow-x: auto; }
    .comparison table { width: 100%; border-collapse: collapse; min-width: 660px; }
    .comparison th, .comparison td { padding: 14px 16px; border-bottom: 1px solid #f0e3e7; text-align: left; vertical-align: top; }
    .comparison thead th { background: #fff0f4; color: var(--plum); font-size: 13px; }
    .comparison tbody th { width: 22%; color: #49404a; font-size: 14px; }
    .comparison td { color: #5f5660; font-size: 14px; }
    .rating-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding: 21px 24px; background: #fff9fa; }
    .rating-score { display: flex; align-items: baseline; gap: 8px; }
    .rating-score strong { color: var(--pink-dark); font-size: 34px; line-height: 1; }
    .rating-score span { color: var(--muted); font-size: 13px; }
    .stars { color: #b16b18; font-size: 19px; letter-spacing: 0; }
    .rating-note { color: var(--muted); font-size: 12px; }
    .case-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items: start; }
    .case-feature { padding: 26px; background: var(--pink-pale); border-left: 3px solid var(--pink); }
    .case-feature h3 { margin: 0 0 8px; font-size: 20px; }
    .case-feature p { margin: 0; color: #5b5158; }
    .case-list { margin: 0; padding: 0; list-style: none; }
    .case-list li { padding: 14px 0; border-bottom: 1px solid var(--rose-line); }
    .case-list strong { display: block; margin-bottom: 3px; }
    .case-list span { color: var(--muted); font-size: 13px; }
    .quotes { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 23px; }
    .quote { padding: 18px 0 16px; border-top: 2px solid #e6b6c5; }
    .quote blockquote { margin: 0 0 14px; color: #454048; font-size: 15px; }
    .quote figcaption { color: var(--muted); font-size: 12px; }
    .quote figcaption strong { color: var(--pink-dark); font-size: 13px; }
    .articles { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 12px; }
    .article-link { display: flex; min-height: 100px; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--rose-line); background: var(--white); transition: transform .2s ease, border-color .2s ease; }
    .article-link:hover { transform: translateY(-3px); border-color: #d98da7; }
    .article-link strong { font-size: 14px; }
    .article-link span { color: var(--pink-dark); font-size: 12px; }
    .faq-list { border-top: 1px solid var(--rose-line); }
    .faq-item { border-bottom: 1px solid var(--rose-line); }
    .faq-item summary { position: relative; padding: 17px 34px 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; top: 15px; right: 4px; color: var(--pink); font-size: 21px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: 0 0 17px; color: var(--muted); font-size: 14px; }
    .form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
    .contact-copy p { color: #e2cfda; }
    .contact-list { display: grid; gap: 9px; margin-top: 22px; color: #fff; font-size: 14px; }
    .contact-list a { color: #ffd8e3; text-decoration: underline; text-underline-offset: 3px; }
    .contact-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; padding: 22px; border: 1px solid #715367; background: #402b40; }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { color: #fff; font-size: 13px; font-weight: 650; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #98798d; border-radius: 3px; background: #fffafb; color: var(--ink); padding: 11px 12px; outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #ee9fba; box-shadow: 0 0 0 3px rgba(238,159,186,.2); }
    .field textarea { min-height: 112px; resize: vertical; }
    .contact-form .button { grid-column: 1 / -1; justify-self: start; border: 0; cursor: pointer; }
    .qr-wrap { display: grid; grid-template-columns: 82px 1fr; gap: 14px; align-items: center; margin-top: 22px; }
    .qr-wrap img { display: block; width: 82px; height: 82px; object-fit: contain; background: #fff; }
    .qr-wrap span { color: #e2cfda; font-size: 13px; }
    .footer { padding: 26px 0; background: #fff7f9; color: #49414a; border-top: 1px solid var(--rose-line); }
    .footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
    .footer p { margin: 0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: flex-end; }
    .footer-links a { color: #604d58; font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
    .copyright { margin-top: 15px !important; color: #766d75; font-size: 12px !important; }
    .floating-contact { position: fixed; z-index: 15; right: 18px; bottom: 18px; display: grid; gap: 8px; }
    .floating-contact a { display: grid; place-items: center; width: 48px; height: 48px; padding: 5px; border: 1px solid #e7c2ce; border-radius: 4px; background: #fff; color: var(--pink-dark); font-size: 11px; font-weight: 800; box-shadow: 0 4px 16px rgba(69,31,48,.12); }
    .floating-contact a:hover { background: var(--pink); color: #fff; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @keyframes pulse { 50% { box-shadow: 0 0 0 17px rgba(216,50,104,.06); transform: scale(.88); } }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 900px) {
      .nav-links a { padding-inline: 8px; font-size: 12px; }
      .nav-links .nav-cta { padding-inline: 12px; }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .industry-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .articles { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 64px; }
      .ai-page-logo { width: 128px; }
      .nav-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 9px 16px 15px; border-bottom: 1px solid var(--rose-line); background: var(--paper); box-shadow: 0 10px 20px rgba(55,31,43,.08); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
      .nav-links a { padding: 10px; font-size: 14px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero-inner { padding-top: 48px; padding-bottom: 36px; }
      .hero-copy > p { font-size: 15px; }
      .hero-data { grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 30px; }
      .hero-stat { padding: 15px 10px 12px 0; }
      .hero-stat + .hero-stat { padding-left: 14px; }
      .hero-stat:nth-child(3) { padding-left: 0; border-left: 0; }
      .hero-stat:nth-child(n+3) { border-top: 1px solid #e8cbd3; }
      .section { padding: 50px 0; }
      .section-title { font-size: 27px; }
      .intro-grid, .case-layout, .form-layout { grid-template-columns: 1fr; gap: 25px; }
      .workflow { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 28px; }
      .quotes { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
      .articles { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .network-row { grid-template-columns: 1fr; gap: 4px; }
      .footer-top { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 430px) {
      .service-grid, .quotes { grid-template-columns: 1fr; }
      .industry-list { grid-template-columns: 1fr 1fr; gap: 0 14px; }
      .contact-form { grid-template-columns: 1fr; padding: 16px; }
      .field-wide, .contact-form .button { grid-column: 1; }
      .hero-actions { align-items: stretch; flex-direction: column; max-width: 300px; }
      .rating-row { padding: 17px; }
      .floating-contact { right: 10px; bottom: 10px; }
    }