:root {
      color-scheme: light;
      --ink: #2b2027;
      --muted: #6e6269;
      --pink: #d93475;
      --pink-dark: #a91e56;
      --rose: #fff0f5;
      --line: #eadde3;
      --paper: #fffdfd;
      --plum: #382530;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    img { display: block; 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(255,253,253,.96);
      border-bottom: 1px solid rgba(234,221,227,.9);
      backdrop-filter: blur(12px);
    }
    .nav-row { 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 { width: 38px; height: 38px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; gap: 0; list-style: none; padding: 0; margin: 0; }
    .nav-links a { display: block; padding: 10px 11px; color: #51434a; font-size: 13px; text-decoration: none; transition: color .2s ease; }
    .nav-links a:hover { color: var(--pink-dark); }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font-size: 20px; cursor: pointer; }
    .button {
      display: inline-flex; justify-content: center; align-items: center; gap: 8px;
      min-height: 46px; padding: 11px 19px; border: 1px solid var(--pink);
      border-radius: 5px; background: var(--pink); color: #fff; font-weight: 700;
      text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .button:hover { background: var(--pink-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(169,30,86,.2); }
    .button-outline { background: transparent; color: var(--pink-dark); }
    .button-outline:hover { color: #fff; }
    .hero {
      position: relative; overflow: hidden; padding: 80px 0 56px;
      background: linear-gradient(115deg, #fff5f8 0%, #fffafd 54%, #ffeaf2 100%);
      border-bottom: 1px solid #f2dce5;
    }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; border: 1px solid rgba(217,52,117,.18); transform: rotate(35deg); }
    .hero::before { width: 260px; height: 260px; right: 6%; top: 12%; border-radius: 44px; }
    .hero::after { width: 150px; height: 150px; right: 17%; top: 36%; border-radius: 30px; }
    .hero-inner { position: relative; z-index: 1; max-width: 790px; }
    .eyebrow { color: var(--pink-dark); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    h1 { max-width: 720px; margin: 13px 0 18px; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 0 0 27px; color: #62525b; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin-top: 18px; color: #74636c; font-size: 13px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 52px; border-top: 1px solid #ead6df; }
    .metric { padding: 20px 22px 0 0; }
    .metric strong { display: block; color: var(--pink-dark); font-size: 17px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .section { padding: 70px 0; }
    .section-tint { background: #fff6f9; border-block: 1px solid #f2e1e8; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 720px; }
    .section-kicker { margin: 0 0 6px; color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: 32px; line-height: 1.25; letter-spacing: 0; }
    .section-intro { margin: 10px 0 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 42px; align-items: start; }
    .intro-copy { max-width: 690px; color: #51454b; }
    .intro-copy p:first-child { margin-top: 0; }
    .capability-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; margin: 0; padding: 0; list-style: none; }
    .capability-list li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .capability-list li::before { content: "✓"; color: var(--pink); margin-right: 9px; font-weight: 800; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service { padding: 20px; border: 1px solid var(--line); background: #fff; border-radius: 5px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
    .service:hover { transform: translateY(-3px); border-color: #e6a9c0; box-shadow: 0 12px 24px rgba(65,31,47,.07); }
    .service h3 { margin: 0 0 8px; font-size: 17px; }
    .service p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-label { display: inline-block; margin-bottom: 12px; color: var(--pink-dark); font-size: 11px; font-weight: 800; }
    .workbench { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid #e8d8df; background: #fff; }
    .workbench-item { padding: 22px; border-right: 1px solid #e8d8df; }
    .workbench-item:last-child { border-right: 0; }
    .workbench-item strong { display: block; margin-bottom: 8px; color: var(--pink-dark); font-size: 15px; }
    .workbench-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: start; }
    .solution-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
    .solution-list div { padding: 12px 0; border-bottom: 1px solid var(--line); }
    .solution-list strong { display: block; font-size: 15px; }
    .solution-list span { color: var(--muted); font-size: 13px; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; }
    .network span { padding: 8px 12px; border: 1px solid #e8cbd7; border-radius: 4px; background: #fff; color: #55424b; font-size: 13px; }
    .steps { 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 #e7b3c6; counter-increment: steps; }
    .step::before { content: "0" counter(steps); display: block; margin-bottom: 15px; color: var(--pink); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 6px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
    .case-feature, .case-side { border: 1px solid var(--line); background: #fff; }
    .case-feature img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
    .case-feature-copy { padding: 20px; }
    .case-feature-copy h3, .case-side h3 { margin: 0 0 8px; font-size: 19px; }
    .case-feature-copy p, .case-side p { margin: 0; color: var(--muted); font-size: 14px; }
    .case-side { display: grid; grid-template-rows: 1fr 1fr; }
    .case-side article { padding: 20px; }
    .case-side article + article { border-top: 1px solid var(--line); }
    .case-side img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; margin-bottom: 15px; }
    .review-score { display: flex; align-items: center; gap: 18px; padding: 22px 0; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
    .score-number { color: var(--pink-dark); font-size: 36px; font-weight: 800; line-height: 1; }
    .stars { color: #c12c68; letter-spacing: 0; font-size: 19px; }
    .review-score p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid #eee3e8; font-size: 14px; vertical-align: top; }
    th { background: #fff1f6; color: #422b36; }
    tr:last-child td { border-bottom: 0; }
    .positive { color: #9e1b50; font-weight: 700; }
    .article-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 115px; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; border: 1px solid var(--line); background: #fff; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: #e6a9c0; }
    .article-link span { color: var(--muted); font-size: 12px; }
    .article-link strong { font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 19px; border-left: 3px solid #d93475; background: #fff; }
    .review p { margin: 0 0 14px; color: #53464c; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 30px 17px 0; font-weight: 700; cursor: pointer; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 2px; color: var(--pink-dark); font-size: 20px; top: 11px; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0 0 17px; color: var(--muted); font-size: 14px; }
    .form-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 42px; align-items: start; }
    .contact-copy { color: #55464d; }
    .contact-copy p { margin: 0 0 13px; }
    .contact-details { padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }
    .contact-details a { color: var(--pink-dark); }
    .contact-qr { width: 132px; margin-top: 18px; border: 1px solid var(--line); padding: 6px; background: #fff; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .field { display: flex; flex-direction: column; 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 #d9cbd1; border-radius: 4px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(217,52,117,.18); border-color: var(--pink); }
    .form-footnote { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
    .join-band { padding: 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--plum); color: #fff; }
    .join-band h2 { font-size: 25px; }
    .join-band p { margin: 7px 0 0; color: #f4dce6; font-size: 14px; }
    .join-band .button { flex: 0 0 auto; background: #f276a7; border-color: #f276a7; color: #2b2027; }
    .footer { padding: 32px 0 24px; background: #fff8fb; color: #392b32; border-top: 1px solid #eadde3; }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 28px; }
    .footer-brand { max-width: 390px; }
    .footer-brand p { margin: 10px 0; color: #66575f; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; max-width: 610px; }
    .footer-links a { color: #54424b; font-size: 13px; text-decoration: none; }
    .footer-links a:hover { color: var(--pink-dark); }
    .copyright { margin-top: 22px; padding-top: 15px; border-top: 1px solid #eadde3; color: #71636a; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--pink-dark); color: #fff; font-size: 12px; font-weight: 700; text-decoration: none; box-shadow: 0 5px 16px rgba(74,25,47,.2); }
    .reveal { opacity: 0; transform: translateY(14px); 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: 980px) {
      .nav-row { gap: 12px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-links { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 10px 20px 18px; flex-direction: column; align-items: stretch; background: #fffdfd; border-bottom: 1px solid var(--line); box-shadow: 0 12px 18px rgba(43,32,39,.08); }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 10px; }
      .nav-actions .button { display: none; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .article-grid { grid-template-columns: repeat(3, 1fr); }
      .metrics { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 58px 0 38px; }
      .hero::before { width: 150px; height: 150px; right: -42px; top: 15%; }
      .hero::after { width: 90px; height: 90px; right: 27px; top: 40%; }
      .hero-inner { max-width: 100%; }
      .hero-copy { font-size: 16px; }
      .metrics { margin-top: 38px; }
      .metric { padding-right: 8px; }
      .section { padding: 52px 0; }
      .section-head { display: block; margin-bottom: 23px; }
      h2 { font-size: 27px; }
      .intro-grid, .solution-layout, .case-grid, .form-layout { grid-template-columns: 1fr; gap: 24px; }
      .capability-list { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: 1fr; }
      .workbench { grid-template-columns: 1fr 1fr; }
      .workbench-item { border-bottom: 1px solid #e8d8df; }
      .workbench-item:nth-child(2) { border-right: 0; }
      .workbench-item:nth-child(3), .workbench-item:nth-child(4) { border-bottom: 0; }
      .steps { grid-template-columns: 1fr 1fr; gap: 12px 18px; }
      .step { padding-right: 5px; }
      .case-side { grid-template-rows: auto auto; }
      .review-grid { grid-template-columns: 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .article-grid { grid-template-columns: 1fr 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .join-band { padding: 24px 20px; align-items: start; flex-direction: column; }
      .footer-top { flex-direction: column; }
      .float-contact { right: 12px; bottom: 12px; }
    }