:root {
      color-scheme: light;
      --ink: #291923;
      --muted: #6e5d67;
      --pink: #d92e79;
      --pink-deep: #a91657;
      --pink-soft: #fff0f6;
      --rose: #f7d5e3;
      --line: #eadde3;
      --paper: #fffafd;
      --white: #fff;
      --green: #22765f;
      --shadow: 0 16px 44px rgba(91, 29, 59, .09);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    a { color: inherit; text-decoration: none; }
    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; top: 0; z-index: 20; background: rgba(255,250,253,.94); border-bottom: 1px solid rgba(234,221,227,.85); backdrop-filter: blur(14px); }
    .nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; font-size: 19px; }
    .ai-page-logo { display: block; width: 42px; max-width: 100%; height: auto; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; color: #55434d; font-size: 13px; }
    .nav-links a { padding: 9px 10px; border-radius: 5px; transition: color .2s, background .2s; }
    .nav-links a:hover { color: var(--pink-deep); background: var(--pink-soft); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 17px; border: 1px solid var(--pink); border-radius: 5px; background: var(--pink); color: white; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); background: var(--pink-deep); box-shadow: 0 9px 22px rgba(169,22,87,.2); }
    .button.secondary { color: var(--pink-deep); background: white; }
    .button.secondary:hover { color: white; }
    .menu-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; background: #fff2f7; border-bottom: 1px solid #f0dce6; }
    .hero::before { position: absolute; inset: 0; content: ""; opacity: .52; background-image: linear-gradient(rgba(217,46,121,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(217,46,121,.055) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, #000, transparent 88%); }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(250px, .75fr); align-items: center; gap: 52px; padding-top: 78px; padding-bottom: 64px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--pink-deep); font-size: 13px; font-weight: 800; }
    .eyebrow::before { width: 23px; height: 2px; content: ""; background: var(--pink); }
    h1 { max-width: 760px; margin: 16px 0 18px; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 0; color: #5e4c57; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { margin: 17px 0 0; color: var(--muted); font-size: 13px; }
    .hero-panel { padding: 24px; border: 1px solid #edcada; border-radius: 8px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); }
    .hero-panel h2 { margin: 0 0 17px; font-size: 17px; }
    .signal-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
    .signal-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 0; border-top: 1px solid #f0e3e9; font-size: 14px; }
    .signal-list span:last-child { color: var(--pink-deep); font-weight: 700; }
    .hero-panel p { margin: 15px 0 0; color: var(--muted); font-size: 13px; }
    .strip { background: white; border-bottom: 1px solid var(--line); }
    .strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 26px; padding-top: 17px; padding-bottom: 17px; }
    .strip-label { color: var(--muted); font-size: 13px; font-weight: 700; }
    .model-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-tags span { padding: 5px 10px; border: 1px solid var(--line); border-radius: 3px; background: #fffafd; color: #54414b; font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 72px 0; }
    .section.tint { background: #fff2f7; border-block: 1px solid #f0dce6; }
    .section.white { background: #fff; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-kicker { margin: 0 0 7px; color: var(--pink-deep); font-size: 12px; font-weight: 800; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(27px, 4vw, 40px); line-height: 1.22; letter-spacing: 0; }
    .section-head > p:last-child { margin: 12px 0 0; color: var(--muted); }
    h3 { margin: 0; font-size: 18px; line-height: 1.4; }
    .intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 42px; align-items: start; }
    .intro-copy p { margin: 0 0 15px; color: #5e4c57; }
    .feature-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
    .feature-list li { padding: 14px 15px; border-left: 3px solid var(--pink); background: #fff; color: #45343d; font-size: 14px; }
    .capability-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
    .capability { padding: 20px; border: 1px solid var(--line); border-radius: 6px; background: white; transition: transform .22s, box-shadow .22s, border-color .22s; }
    .capability:hover, .service:hover, .quote:hover { transform: translateY(-4px); border-color: #e6a7c1; box-shadow: var(--shadow); }
    .capability .index { display: block; margin-bottom: 14px; color: var(--pink); font-size: 12px; font-weight: 800; }
    .capability p, .service p { margin: 9px 0 0; color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
    .service { padding: 19px; border: 1px solid var(--line); border-radius: 6px; background: white; transition: transform .22s, box-shadow .22s, border-color .22s; }
    .service h3 { font-size: 16px; }
    .service-tag { display: inline-block; margin-top: 12px; color: var(--pink-deep); font-size: 12px; font-weight: 700; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; margin-top: 28px; border-block: 1px solid var(--line); }
    .step { position: relative; padding: 23px 20px 23px 0; }
    .step + .step { padding-left: 20px; border-left: 1px solid var(--line); }
    .step-num { display: block; margin-bottom: 12px; color: var(--pink); font-size: 12px; font-weight: 800; }
    .step p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
    .industry-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px 34px; }
    .industry { padding-top: 15px; border-top: 2px solid var(--rose); }
    .industry p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
    .network { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .network-copy p { color: var(--muted); }
    .network-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
    .network-list span { padding: 7px 11px; border: 1px solid #edcada; border-radius: 3px; background: white; color: #523d48; font-size: 13px; }
    .network-aside { padding: 22px 24px; border-left: 4px solid var(--pink); background: white; }
    .network-aside p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
    .media-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; align-items: start; }
    .media-stack { display: grid; gap: 16px; }
    .media-frame { overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: white; }
    .media-frame img { display: block; width: 100%; height: auto; }
    .media-caption { padding: 12px 14px; color: var(--muted); font-size: 13px; }
    .gallery-three { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 16px; }
    .gallery-three .media-frame img { aspect-ratio: 4 / 3; object-fit: cover; }
    .assessment { display: grid; grid-template-columns: .72fr 1.28fr; gap: 30px; align-items: start; }
    .score-panel { padding: 26px; border-radius: 6px; background: #fff0f6; border: 1px solid #efc9da; }
    .score-panel .stars { color: #c42268; font-size: 24px; letter-spacing: 0; }
    .score-panel strong { display: block; margin-top: 10px; color: var(--pink-deep); font-size: 42px; line-height: 1.1; }
    .score-panel p { margin: 8px 0 0; color: #604b56; font-size: 14px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: white; }
    .compare { width: 100%; border-collapse: collapse; min-width: 590px; font-size: 14px; }
    .compare th, .compare td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
    .compare th { background: #fff2f7; color: #422e39; }
    .compare td:first-child { width: 24%; font-weight: 700; }
    .compare tr:last-child td { border-bottom: 0; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; align-items: start; }
    .match-copy p { color: var(--muted); }
    .match-points { display: grid; gap: 11px; margin-top: 18px; }
    .match-points div { padding-bottom: 11px; border-bottom: 1px solid var(--line); font-size: 14px; }
    .form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 23px; border: 1px solid var(--line); border-radius: 6px; background: white; }
    .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%; min-width: 0; padding: 11px 12px; border: 1px solid #d9c9d1; border-radius: 4px; background: #fff; color: var(--ink); }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid #eaa9c4; border-color: var(--pink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 12px; }
    .form .button { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .quotes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .quote { padding: 19px; border: 1px solid var(--line); border-radius: 6px; background: white; transition: transform .22s, box-shadow .22s, border-color .22s; }
    .quote blockquote { margin: 0; color: #51404a; font-size: 14px; }
    .quote footer { margin-top: 15px; color: var(--pink-deep); font-size: 13px; font-weight: 700; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 35px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; top: 15px; right: 4px; content: "+"; color: var(--pink-deep); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: 0; padding: 0 30px 17px 0; color: var(--muted); font-size: 14px; }
    .article-links { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
    .article-link { display: flex; min-height: 100px; align-items: flex-end; padding: 14px; border: 1px solid var(--line); background: white; color: var(--pink-deep); font-size: 13px; font-weight: 700; overflow-wrap: anywhere; transition: background .2s, transform .2s; }
    .article-link:hover { transform: translateY(-3px); background: var(--pink-soft); }
    .link-cloud { display: flex; flex-wrap: wrap; gap: 10px 18px; }
    .link-cloud a { color: #624b57; font-size: 14px; text-decoration: underline; text-decoration-color: #e7b8cb; text-underline-offset: 4px; }
    .link-cloud a:hover { color: var(--pink-deep); }
    .contact-band { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 28px; border: 1px solid #edcada; background: #fff2f7; }
    .contact-band p { margin: 8px 0 0; color: var(--muted); }
    .contact-actions { display: flex; flex-wrap: wrap; gap: 10px; }
    .site-footer { padding: 28px 0 24px; border-top: 1px solid var(--line); background: #fff; color: #40303a; }
    .footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
    .footer-brand p { max-width: 520px; margin: 10px 0 0; color: #695661; font-size: 13px; }
    .footer-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; color: #51404a; font-size: 13px; }
    .footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--line); color: #6e5d67; font-size: 12px; }
    .floating { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .float-link { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid #e9b4ca; border-radius: 50%; background: white; color: var(--pink-deep); box-shadow: 0 5px 18px rgba(91,29,59,.15); font-size: 12px; font-weight: 800; transition: transform .2s, background .2s; }
    .float-link:hover { transform: translateY(-3px); background: var(--pink-soft); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.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: 980px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .capability-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .article-links { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav { min-height: 66px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-cta { display: none; }
      .nav-links { position: absolute; top: 66px; left: 0; right: 0; display: none; align-items: stretch; padding: 10px 16px 15px; border-bottom: 1px solid var(--line); background: #fffafd; box-shadow: 0 10px 20px rgba(91,29,59,.08); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
      .nav-links a { padding: 10px; font-size: 14px; }
      .hero-inner { grid-template-columns: 1fr; gap: 28px; padding-top: 58px; padding-bottom: 40px; }
      .hero-panel { max-width: 560px; }
      .section { padding: 55px 0; }
      .intro-grid, .network, .assessment, .match-layout { grid-template-columns: 1fr; gap: 24px; }
      .workflow { grid-template-columns: repeat(2,1fr); }
      .step:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .industry-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .quotes { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .media-grid { grid-template-columns: 1fr; }
      .contact-band { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: min(var(--container), calc(100% - 28px)); }
      .hero-copy { font-size: 16px; }
      .capability-grid, .service-grid, .industry-grid, .quotes, .gallery-three { grid-template-columns: 1fr; }
      .feature-list { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: 1fr; }
      .step, .step + .step, .step:nth-child(3), .step:nth-child(4) { padding: 17px 0; border-left: 0; border-top: 1px solid var(--line); }
      .step:first-child { border-top: 0; }
      .form { grid-template-columns: 1fr; padding: 17px; }
      .field.full, .form-note, .form .button { grid-column: 1; }
      .article-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .footer-top { flex-direction: column; }
      .footer-bottom { flex-direction: column; }
      .floating { right: 10px; bottom: 12px; }
      .float-link { width: 44px; height: 44px; }
    }