:root {
      color-scheme: light;
      --ink: #29212a;
      --muted: #70656d;
      --pink: #d92c72;
      --pink-dark: #a81955;
      --rose: #fff0f5;
      --line: #eadde3;
      --paper: #fffafd;
      --green: #477d68;
      --shadow: 0 14px 38px rgba(74, 31, 52, .08);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: linear-gradient(180deg, #fff8fa 0, #fff 36%, #fff9fb 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; }
    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, 252, .94);
      border-bottom: 1px solid rgba(234, 221, 227, .8);
      backdrop-filter: blur(14px);
    }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .brand img { display: block; width: 144px; max-height: 48px; object-fit: contain; }
    .nav-wrap { display: flex; align-items: center; gap: 14px; }
    .nav-links { display: flex; align-items: center; gap: 0; }
    .nav-links a { padding: 9px 10px; border-radius: 5px; color: #554a51; font-size: 13px; white-space: nowrap; transition: color .2s, background .2s; }
    .nav-links a:hover { color: var(--pink-dark); background: var(--rose); }
    .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 18px; border: 1px solid transparent; border-radius: 5px;
      background: var(--pink); color: #fff; font-weight: 700; cursor: pointer;
      transition: transform .2s, box-shadow .2s, background .2s;
    }
    .button:hover { background: var(--pink-dark); box-shadow: 0 8px 20px rgba(217, 44, 114, .2); transform: translateY(-2px); }
    .button-outline { color: var(--pink-dark); border-color: #e9a8c1; background: #fff; }
    .button-outline:hover { color: #fff; background: var(--pink); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--ink); font-size: 21px; cursor: pointer; }
    .hero { overflow: hidden; border-bottom: 1px solid var(--line); }
    .hero-inner { position: relative; padding-block: 78px 54px; }
    .hero-inner::after {
      content: ""; position: absolute; z-index: 0; right: 3%; top: 56px; width: 240px; aspect-ratio: 1;
      border: 1px solid #f1c0d2; border-radius: 50%;
      box-shadow: 0 0 0 28px rgba(245, 203, 220, .2), 0 0 0 56px rgba(245, 203, 220, .12);
      pointer-events: none;
    }
    .hero-copy { position: relative; z-index: 1; max-width: 770px; }
    .eyebrow { margin: 0 0 14px; color: var(--pink-dark); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    h1 { max-width: 700px; margin: 0; font-size: clamp(38px, 6vw, 66px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 22px 0 26px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin-top: 17px; color: #766a71; font-size: 13px; }
    .hero-note strong { color: var(--green); }
    .quick-stats { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 54px; border-top: 1px solid var(--line); }
    .stat { padding: 21px 18px 0 0; }
    .stat + .stat { padding-left: 22px; border-left: 1px solid var(--line); }
    .stat strong { display: block; font-size: 21px; line-height: 1.3; }
    .stat span { color: var(--muted); font-size: 13px; }
    .section { padding: 72px 0; }
    .section-tint { background: #fff3f7; border-block: 1px solid #f2e2e9; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-head h2 { margin: 0 0 10px; font-size: clamp(27px, 4vw, 38px); line-height: 1.25; letter-spacing: 0; }
    .section-head p { margin: 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: start; }
    .intro-copy p { color: var(--muted); margin: 0 0 15px; }
    .feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; margin: 22px 0 0; padding: 0; list-style: none; }
    .feature-list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 650; }
    .feature-list li::before { content: "＋"; margin-right: 9px; color: var(--pink); }
    .text-panel { padding: 24px; border-left: 3px solid var(--pink); background: #fff; box-shadow: var(--shadow); }
    .text-panel h3 { margin: 0 0 9px; font-size: 18px; }
    .text-panel p { margin: 0; color: var(--muted); }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service-item { padding: 20px; border-top: 2px solid #eaa2bd; background: #fff; transition: transform .2s, box-shadow .2s; }
    .service-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-index { display: block; margin-bottom: 10px; color: var(--pink); font-size: 12px; font-weight: 800; }
    .workflow-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
    .workflow-step { padding: 22px 20px 22px 0; }
    .workflow-step + .workflow-step { padding-left: 20px; border-left: 1px solid var(--line); }
    .workflow-step b { display: block; margin-bottom: 8px; color: var(--pink-dark); }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 28px; }
    .solution { padding: 17px 0; border-bottom: 1px solid var(--line); }
    .solution h3 { margin: 0 0 5px; font-size: 16px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .network-row { display: flex; flex-wrap: wrap; gap: 9px; }
    .network-row span { padding: 8px 12px; border: 1px solid #e9d8df; border-radius: 4px; background: #fff; color: #51454c; font-size: 14px; }
    .network-note { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
    .case-copy h3 { margin: 0 0 8px; font-size: 21px; }
    .case-copy p { margin: 0 0 14px; color: var(--muted); }
    .media-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .media-strip img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #f5e9ee; }
    .media-square { max-width: 270px; }
    .media-square img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; background: #f5e9ee; }
    .score-panel { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-bottom: 22px; padding: 22px 25px; background: #fff0f5; border-left: 4px solid var(--pink); }
    .score-panel h3 { margin: 0 0 4px; font-size: 19px; }
    .score-panel p { margin: 0; color: var(--muted); }
    .score { flex: 0 0 auto; color: var(--pink-dark); text-align: right; }
    .score strong { display: block; font-size: 34px; line-height: 1; }
    .score span { color: #9a6a7d; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 620px; text-align: left; }
    th, td { padding: 13px 16px; border-bottom: 1px solid var(--line); }
    th { background: #fff4f8; font-size: 14px; }
    td { color: #5b5056; font-size: 14px; }
    td:last-child { color: var(--pink-dark); font-weight: 700; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .review { padding: 19px 0; border-top: 1px solid #e4bbc9; }
    .review p { margin: 0 0 12px; color: #554a51; }
    .review strong { font-size: 14px; }
    .review span { display: block; color: var(--muted); font-size: 13px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 38px 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; right: 5px; top: 12px; color: var(--pink); font-size: 24px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: -3px 0 17px; color: var(--muted); }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-list a { padding: 16px; border-bottom: 2px solid #e8b0c4; background: #fff; font-weight: 650; transition: background .2s; }
    .article-list a:hover { background: #fff0f5; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .contact-details p { margin: 0 0 11px; color: var(--muted); }
    .contact-details strong { color: var(--ink); }
    .contact-details a { color: var(--pink-dark); text-decoration: underline; text-underline-offset: 3px; }
    .qr { width: 150px; margin-top: 18px; }
    .qr img { display: block; width: 100%; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { font-size: 14px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #ddcbd3; border-radius: 4px; padding: 11px 12px; background: #fff; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(217, 44, 114, .1); }
    .field textarea { min-height: 120px; resize: vertical; }
    .form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 15px; }
    .form-status { color: var(--green); font-size: 14px; }
    .site-footer { padding: 28px 0; background: #fff2f6; border-top: 1px solid var(--line); color: #463940; }
    .footer-top { display: flex; justify-content: space-between; gap: 20px; align-items: start; }
    .footer-brand { font-weight: 800; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
    .footer-links a { color: #5a4d54; font-size: 14px; }
    .footer-links a:hover { color: var(--pink-dark); }
    .copyright { margin: 17px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: #746871; font-size: 13px; }
    .float-tools { position: fixed; right: 16px; bottom: 18px; z-index: 15; display: grid; gap: 8px; }
    .float-tools a { display: grid; place-items: center; min-width: 46px; min-height: 46px; padding: 7px; border: 1px solid #e6cad5; border-radius: 5px; background: #fff; color: var(--pink-dark); font-size: 12px; font-weight: 700; box-shadow: 0 6px 18px rgba(74, 31, 52, .12); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s 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; }
      .nav-wrap { gap: 8px; }
      .nav-links { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 10px 20px 16px; background: #fffafd; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 11px; }
      .header-cta { display: none; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .solution-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero-inner { padding-block: 55px 34px; }
      .hero-inner::after { right: -105px; top: 45px; width: 185px; }
      .hero-copy > p:not(.eyebrow) { font-size: 15px; }
      .quick-stats { grid-template-columns: repeat(2, 1fr); margin-top: 34px; }
      .stat, .stat + .stat { padding: 14px 10px 12px 0; border-left: 0; }
      .stat:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
      .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
      .section { padding: 52px 0; }
      .intro-grid, .case-grid, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
      .feature-list { grid-template-columns: 1fr; }
      .service-grid, .solution-grid { grid-template-columns: 1fr; }
      .workflow-band { grid-template-columns: 1fr 1fr; }
      .workflow-step, .workflow-step + .workflow-step { padding: 17px 12px 17px 0; border-left: 0; }
      .workflow-step:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
      .workflow-step:nth-child(n+3) { border-top: 1px solid var(--line); }
      .review-grid { grid-template-columns: 1fr 1fr; gap: 10px 18px; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .score-panel { align-items: flex-start; padding: 18px; }
      .score strong { font-size: 29px; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .footer-top { flex-direction: column; }
      .float-tools { right: 10px; bottom: 10px; }
      .float-tools a { min-width: 42px; min-height: 42px; }
    }
    @media (max-width: 420px) {
      .brand img { width: 124px; }
      .review-grid { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
    }