:root {
      color-scheme: light;
      --ink: #30232b;
      --muted: #71646c;
      --pink: #c72769;
      --pink-deep: #9f174e;
      --rose: #fbe7ef;
      --rose-pale: #fff8fa;
      --paper: #fffdfd;
      --line: #eedde4;
      --plum: #55233e;
      --container: 1160px;
      --shadow: 0 16px 45px rgba(103, 34, 67, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: linear-gradient(180deg, #fff8fa 0, #fffdfd 35%, #fff8fa 100%);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid rgba(238, 221, 228, .85);
      background: rgba(255, 253, 253, .94);
      backdrop-filter: blur(14px);
    }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex: 0 0 auto;
      font-weight: 800;
      letter-spacing: .02em;
      color: var(--plum);
    }
    .ai-page-logo { display: block; width: 42px; max-width: 100%; height: auto; }
    .brand-name { font-size: 18px; }
    .nav-area { display: flex; align-items: center; gap: 18px; }
    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      padding: 9px 10px;
      color: #574752;
      font-size: 13px;
      border-radius: 999px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--pink-deep); background: var(--rose); }
    .nav-cta, .button {
      display: inline-flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 999px;
      background: var(--pink);
      color: #fff;
      font-weight: 700;
      box-shadow: 0 9px 22px rgba(199, 39, 105, .2);
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .nav-cta { min-height: 40px; padding-inline: 16px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--pink-deep); box-shadow: 0 12px 26px rgba(199, 39, 105, .25); }
    .button.secondary {
      color: var(--pink-deep);
      background: #fff;
      border-color: #e9b9cc;
      box-shadow: none;
    }
    .button.secondary:hover { background: var(--rose-pale); }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 50%;
      color: var(--plum);
      background: #fff;
      cursor: pointer;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 78px 0 54px;
      background:
        radial-gradient(ellipse at 85% 24%, rgba(245, 178, 205, .38), transparent 35%),
        linear-gradient(135deg, #fff8fa, #fff0f5 54%, #fffafc);
    }
    .hero::before, .hero::after {
      position: absolute;
      content: "";
      pointer-events: none;
      border: 1px solid rgba(199, 39, 105, .13);
      border-radius: 50%;
    }
    .hero::before { width: 380px; height: 380px; right: -100px; top: -190px; }
    .hero::after { width: 230px; height: 230px; right: 18%; bottom: -175px; }
    .hero-inner { position: relative; display: grid; grid-template-columns: 1.35fr .75fr; gap: 54px; align-items: center; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 18px;
      color: var(--pink-deep);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .13em;
      text-transform: uppercase;
    }
    .eyebrow::before { width: 22px; height: 2px; background: currentColor; content: ""; }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 690px;
      margin-bottom: 19px;
      color: #341b2a;
      font-size: clamp(40px, 6vw, 68px);
      line-height: 1.12;
      letter-spacing: -.045em;
    }
    .hero-copy { max-width: 650px; margin-bottom: 28px; color: #66525d; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #7c6973; font-size: 13px; }
    .hero-panel {
      position: relative;
      padding: 28px;
      border: 1px solid rgba(199, 39, 105, .17);
      border-radius: 24px 24px 24px 6px;
      background: rgba(255, 255, 255, .83);
      box-shadow: var(--shadow);
      animation: float-in 700ms ease both;
    }
    .panel-kicker { margin-bottom: 9px; color: var(--pink-deep); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
    .hero-panel h2 { margin-bottom: 9px; font-size: 23px; }
    .hero-panel p { margin-bottom: 18px; color: var(--muted); font-size: 14px; }
    .capability-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .chip {
      display: inline-flex;
      padding: 6px 10px;
      border: 1px solid #f1d5e0;
      border-radius: 999px;
      background: #fff8fa;
      color: #7e3153;
      font-size: 12px;
      font-weight: 650;
    }
    .hero-mark {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 18px;
      margin-top: 22px;
      border-top: 1px solid var(--line);
      color: #66525d;
      font-size: 13px;
    }
    .mark-dot { flex: 0 0 10px; width: 10px; height: 10px; border-radius: 50%; background: #c72769; box-shadow: 0 0 0 5px #fbe7ef; }

    .section { padding: 78px 0; }
    .section.soft { background: linear-gradient(130deg, #fff7fa, #fffdfd 68%, #fff4f8); }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 34px; }
    .section-head > div { max-width: 720px; }
    .section-head h2 { margin-bottom: 10px; color: #351c2b; font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: -.03em; }
    .section-head p { margin-bottom: 0; color: var(--muted); }
    .section-label { margin-bottom: 10px; color: var(--pink-deep); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
    .text-link { color: var(--pink-deep); font-size: 14px; font-weight: 750; white-space: nowrap; }
    .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
    .intro-copy { max-width: 660px; color: #61525b; }
    .intro-copy p:last-child { margin-bottom: 0; }
    .principles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .principle {
      padding: 17px;
      border-left: 3px solid #d64b83;
      background: #fff;
      box-shadow: 0 7px 24px rgba(103, 34, 67, .055);
    }
    .principle strong { display: block; margin-bottom: 4px; color: #472437; font-size: 14px; }
    .principle span { color: var(--muted); font-size: 13px; }

    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .service-card {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 255, 255, .9);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .service-card:hover { transform: translateY(-4px); border-color: #dfa1b9; box-shadow: var(--shadow); }
    .service-card h3 { margin-bottom: 9px; color: #482238; font-size: 18px; }
    .service-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .service-index { display: inline-block; margin-bottom: 14px; color: var(--pink); font-size: 12px; font-weight: 850; letter-spacing: .12em; }

    .workbench {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 32px;
      align-items: start;
      padding: 30px;
      border: 1px solid #efdae3;
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow);
    }
    .workbench h3 { margin-bottom: 10px; font-size: 23px; }
    .workbench p { color: var(--muted); }
    .tool-list { display: flex; flex-wrap: wrap; gap: 9px; }
    .tool-list span { padding: 8px 12px; border-radius: 9px; background: #fff3f7; color: #652544; font-size: 13px; }

    .solutions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .solution {
      min-height: 166px;
      padding: 19px;
      border-radius: 4px 18px 18px 18px;
      background: linear-gradient(145deg, #fff, #fff4f8);
      border: 1px solid #f0dce4;
    }
    .solution h3 { margin-bottom: 8px; font-size: 16px; }
    .solution p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

    .network-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; align-items: center; }
    .network-copy { color: var(--muted); }
    .network-list { display: flex; flex-wrap: wrap; gap: 10px; }
    .network-list span { padding: 10px 13px; border: 1px solid #edc9d7; border-radius: 12px; background: #fff; color: #573044; font-size: 13px; }
    .network-callout { margin-top: 17px; padding: 16px 18px; border-radius: 12px; background: #fbe7ef; color: #612543; font-size: 14px; }

    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 22px 21px 22px 24px; border-top: 2px solid #e7b2c7; }
    .step::before {
      counter-increment: step;
      content: "0" counter(step);
      position: absolute;
      top: -17px;
      left: 20px;
      padding: 4px 8px;
      background: #fff8fa;
      color: var(--pink-deep);
      font-size: 12px;
      font-weight: 850;
    }
    .step h3 { margin: 10px 0 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }

    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .case-card img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 8; object-fit: contain; background: #fff7fa; }
    .case-caption { padding: 17px 19px; }
    .case-caption h3 { margin-bottom: 5px; font-size: 16px; }
    .case-caption p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

    .review-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 23px; padding: 21px 24px; border-radius: 18px; background: var(--plum); color: #fff; }
    .review-top p { margin: 0; color: #f8e5ed; font-size: 14px; }
    .review-score { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
    .review-score strong { font-size: 34px; line-height: 1; }
    .review-score span { display: block; color: #ffd2e2; font-size: 12px; }
    .stars { color: #ffc5d9; letter-spacing: .12em; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 660px; text-align: left; }
    th, td { padding: 15px 18px; border-bottom: 1px solid #f1e5ea; vertical-align: top; }
    th { color: #5b2942; background: #fff2f7; font-size: 13px; }
    td { color: #62535b; font-size: 13px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { color: #402333; font-weight: 700; }
    .table-note { margin: 12px 0 0; color: #7b6b73; font-size: 12px; }

    .match-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 30px; align-items: start; }
    .match-aside { padding: 25px; border-radius: 18px 18px 5px 18px; background: #fbe7ef; }
    .match-aside h3 { margin-bottom: 9px; font-size: 21px; }
    .match-aside p { margin-bottom: 0; color: #69515e; font-size: 14px; }
    .price-band { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; padding: 18px 0; margin-top: 17px; border-top: 1px solid #e8c6d4; }
    .price-band strong { color: #51243b; }
    .price-band span { color: #75636d; font-size: 13px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #493642; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea {
      width: 100%;
      padding: 12px 13px;
      border: 1px solid #e5d4dc;
      border-radius: 10px;
      outline: none;
      color: var(--ink);
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea { min-height: 116px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #ce6590; box-shadow: 0 0 0 3px rgba(199, 39, 105, .1); }
    .form-footnote { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
    .tag-cloud a { padding: 9px 13px; border: 1px solid #edd4df; border-radius: 999px; background: #fff; color: #672746; font-size: 13px; transition: background .2s ease, transform .2s ease; }
    .tag-cloud a:hover { transform: translateY(-2px); background: #fbe7ef; }

    .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote-card { padding: 21px; border-top: 3px solid #ce4d81; border-radius: 3px 14px 14px 14px; background: #fff; box-shadow: 0 8px 28px rgba(103, 34, 67, .06); }
    .quote-card blockquote { margin: 0 0 14px; color: #5f5058; font-size: 14px; }
    .quote-card cite { color: #8c3158; font-size: 12px; font-style: normal; font-weight: 750; }

    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
    .faq-list details { padding: 16px 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.9); }
    .faq-list summary { position: relative; padding-right: 24px; color: #432439; font-weight: 750; cursor: pointer; list-style: none; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { position: absolute; right: 0; content: "+"; color: var(--pink); font-size: 20px; line-height: 1; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 11px 0 0; color: var(--muted); font-size: 13px; }

    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: #52253d; font-size: 13px; font-weight: 700; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: #d88ba9; }
    .article-link span:last-child { color: var(--pink); font-size: 18px; }

    .contact-strip { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; padding: 28px; border-radius: 20px; background: linear-gradient(115deg, #fff0f5, #fff 80%); border: 1px solid #efd8e2; }
    .contact-strip h2 { margin-bottom: 8px; font-size: 26px; }
    .contact-strip p { margin: 0; color: var(--muted); }
    .contact-links { display: flex; flex-wrap: wrap; gap: 10px; }
    .contact-links a { color: var(--pink-deep); font-weight: 750; }
    .contact-links a:hover { text-decoration: underline; }

    .site-footer { margin-top: 0; padding: 28px 0; border-top: 1px solid #eddde4; background: #fff5f8; color: #46333e; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .footer-copy { margin: 0; color: #695963; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: flex-end; }
    .footer-links a { color: #66334d; font-size: 12px; }
    .footer-links a:hover { color: var(--pink-deep); text-decoration: underline; }
    .floating-contact {
      position: fixed;
      z-index: 15;
      right: 18px;
      bottom: 22px;
      display: grid;
      gap: 8px;
    }
    .floating-contact a {
      display: inline-flex;
      min-width: 48px;
      min-height: 46px;
      align-items: center;
      justify-content: center;
      padding: 0 13px;
      border: 1px solid #ecc4d4;
      border-radius: 999px;
      background: #fff;
      color: #7a234a;
      box-shadow: 0 8px 25px rgba(73, 26, 49, .12);
      font-size: 12px;
      font-weight: 750;
    }
    .floating-contact a:hover { background: #fff0f5; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes float-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

    @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: 980px) {
      .header-inner { gap: 12px; }
      .nav-area { gap: 10px; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding-inline: 12px; }
      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .menu-toggle { display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
      .nav-area { position: relative; margin-left: auto; }
      .nav-links {
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        display: none;
        width: min(310px, calc(100vw - 32px));
        padding: 11px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: #fffdfd;
        box-shadow: var(--shadow);
      }
      .nav-links.is-open { display: grid; grid-template-columns: 1fr 1fr; }
      .nav-links a { padding: 10px; font-size: 13px; }
      .nav-cta { display: none; }
      .hero { padding: 58px 0 42px; }
      .hero-inner, .intro-grid, .workbench, .network-layout, .match-layout { grid-template-columns: 1fr; gap: 25px; }
      .hero-inner { gap: 32px; }
      .hero-panel { max-width: 520px; }
      .section { padding: 60px 0; }
      .section-head { display: block; margin-bottom: 25px; }
      .section-head .text-link { display: inline-block; margin-top: 15px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: repeat(2, 1fr); row-gap: 16px; }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .faq-list { grid-template-columns: 1fr; }
      .footer-inner { align-items: flex-start; flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .button { flex: 1 1 100%; }
      .service-grid, .solutions-grid, .case-grid, .reviews-grid, .steps, .principles { grid-template-columns: 1fr; }
      .solution { min-height: 0; }
      .workbench { padding: 22px; }
      .review-top { align-items: flex-start; flex-direction: column; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .contact-strip { grid-template-columns: 1fr; padding: 22px; }
      .floating-contact { right: 10px; bottom: 12px; }
      .floating-contact a { min-height: 42px; padding-inline: 11px; }
    }