:root {
      color-scheme: light;
      --ink: #25212a;
      --muted: #6b6570;
      --pink: #e93678;
      --pink-dark: #b91f59;
      --rose: #fff0f5;
      --line: #eadde3;
      --paper: #fffafd;
      --green: #176b5b;
      --gold: #8d5b13;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 30;
      top: 0;
      background: rgba(255, 250, 253, .96);
      border-bottom: 1px solid rgba(234, 221, 227, .85);
      backdrop-filter: blur(12px);
    }
    .header-row { 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; gap: 11px; font-weight: 800; }
    .brand img { width: 38px; }
    .brand-name { font-size: 17px; }
    .nav-wrap { display: flex; align-items: center; gap: 18px; }
    .nav-links { display: flex; align-items: center; gap: 0; }
    .nav-links a { padding: 10px 9px; color: #514852; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--pink-dark); }
    .header-cta, .button {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 17px;
      border: 1px solid transparent;
      border-radius: 5px;
      background: var(--pink);
      color: #fff;
      font-weight: 700;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .header-cta:hover, .button:hover { background: var(--pink-dark); box-shadow: 0 8px 20px rgba(185, 31, 89, .18); transform: translateY(-2px); }
    .button.secondary { background: #fff; border-color: #d8c5ce; color: var(--ink); }
    .button.secondary:hover { color: var(--pink-dark); border-color: var(--pink); background: #fff7fa; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 5px; }
    .menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; }
    .hero {
      position: relative;
      overflow: hidden;
      padding: 82px 0 66px;
      background:
        linear-gradient(118deg, #fff7fa 0%, #fffafb 48%, #f4fbf8 100%);
      border-bottom: 1px solid #f0e3e9;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 6px;
      background: linear-gradient(90deg, #e93678 0 36%, #f6b3ca 36% 63%, #54a795 63% 100%);
    }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 44px; align-items: center; }
    .eyebrow { margin: 0 0 14px; color: var(--pink-dark); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
    h1 { max-width: 660px; margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 640px; margin: 20px 0 25px; color: #5e5660; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #766c76; font-size: 13px; }
    .hero-panel { padding: 24px; border: 1px solid #ebd5df; border-left: 4px solid var(--pink); background: rgba(255,255,255,.78); }
    .hero-panel h2 { margin: 0 0 15px; font-size: 17px; }
    .model-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-tags span { padding: 6px 9px; background: #fff0f5; color: #7f2448; font-size: 12px; border: 1px solid #f3d0dd; }
    .hero-panel-foot { margin: 18px 0 0; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
    .metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 44px; border-top: 1px solid #e7d7df; }
    .metric { padding: 18px 16px 0 0; }
    .metric strong { display: block; color: var(--pink-dark); font-size: 19px; }
    .metric span { color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 76px 0; }
    .section.tint { background: #fff3f7; border-block: 1px solid #f1e0e7; }
    .section.mint { background: #f1f9f6; border-block: 1px solid #dcece6; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-kicker { margin: 0 0 8px; color: var(--pink-dark); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
    h2 { margin: 0; font-size: clamp(27px, 3vw, 38px); line-height: 1.2; letter-spacing: 0; }
    .section-head > p:last-child { margin: 12px 0 0; color: var(--muted); }
    .intro-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .intro-text p { margin: 0 0 15px; color: #554d57; }
    .intro-points { border-top: 1px solid var(--line); }
    .intro-point { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .intro-point strong { color: #392f38; font-size: 14px; }
    .intro-point span { color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; border-top: 1px solid var(--line); }
    .service-item { padding: 21px 4px 22px 0; border-bottom: 1px solid var(--line); }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-item .service-tag { display: inline-block; margin-top: 10px; color: var(--pink-dark); font-size: 12px; font-weight: 700; }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; counter-reset: step; }
    .workflow-item { position: relative; padding: 0 16px 0 0; border-top: 2px solid #e9a4bc; counter-increment: step; }
    .workflow-item::before { content: "0" counter(step); display: inline-block; margin: 12px 0 10px; color: var(--pink-dark); font-size: 13px; font-weight: 800; }
    .workflow-item h3 { margin: 0 0 6px; font-size: 16px; }
    .workflow-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .use-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 30px; border-top: 1px solid #d8e9e2; }
    .use-item { padding: 18px 0; border-bottom: 1px solid #d8e9e2; }
    .use-item h3 { margin: 0 0 6px; font-size: 16px; }
    .use-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 28px; align-items: start; }
    .media-row figure { margin: 0; }
    .media-row img, .square-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #fff; border: 1px solid var(--line); }
    .media-row figcaption { padding-top: 8px; color: var(--muted); font-size: 13px; }
    .square-media { width: min(300px, 100%); margin-top: 25px; }
    .square-media img { aspect-ratio: 1 / 1; }
    .comparison { border: 1px solid var(--line); background: #fff; overflow-x: auto; }
    table { width: 100%; border-collapse: collapse; min-width: 720px; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid #efe5e9; vertical-align: top; }
    th { background: #fff0f5; color: #49313b; font-size: 13px; }
    td { color: #554e56; font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    .rating-band { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; padding: 18px 20px; background: #fff5d9; border-left: 4px solid #d29a37; }
    .rating-band strong { color: #684614; font-size: 18px; }
    .rating-band span { color: #775a2c; }
    .stars { color: #a86a0b; letter-spacing: 2px; }
    .score { font-size: 25px; font-weight: 800; color: #684614; }
    .score small { font-size: 12px; font-weight: 500; }
    .quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
    .quote { padding: 19px 0; border-top: 2px solid #e7a4bc; }
    .quote blockquote { margin: 0 0 15px; color: #514852; font-size: 14px; }
    .quote cite { color: #342b34; font-style: normal; font-weight: 800; font-size: 13px; }
    .quote small { display: block; color: var(--muted); font-weight: 400; }
    .case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
    .case { padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .case-label { color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    .case h3 { margin: 8px 0; font-size: 18px; }
    .case p { margin: 0; color: var(--muted); font-size: 14px; }
    .articles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 18px; border-top: 1px solid var(--line); }
    .article-link { display: flex; align-items: center; min-height: 74px; padding: 12px 0; border-bottom: 1px solid var(--line); color: #4f454f; font-size: 14px; }
    .article-link:hover { color: var(--pink-dark); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .tag-cloud a { padding: 7px 10px; border: 1px solid #ead6df; background: #fff; color: #574c55; font-size: 13px; transition: border-color .2s ease, color .2s ease; }
    .tag-cloud a:hover { border-color: var(--pink); color: var(--pink-dark); }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 40px 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: 4px; top: 11px; color: var(--pink-dark); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: -2px 0 17px; color: var(--muted); font-size: 14px; }
    .contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
    .contact-details { display: grid; gap: 15px; margin-top: 24px; }
    .contact-line { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
    .contact-line strong { display: block; font-size: 13px; }
    .contact-line span, .contact-line a { color: var(--muted); font-size: 14px; }
    .contact-qr { width: 148px; margin-top: 20px; }
    .contact-qr img { width: 148px; aspect-ratio: 1; object-fit: contain; border: 1px solid var(--line); background: #fff; }
    .contact-qr figcaption { margin-top: 7px; color: var(--muted); font-size: 12px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .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%; padding: 11px 12px; border: 1px solid #d9cbd2; border-radius: 3px; 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(233,54,120,.1); }
    .field textarea { min-height: 120px; resize: vertical; }
    .form-note { color: var(--muted); font-size: 12px; }
    .footer { padding: 30px 0 24px; border-top: 1px solid var(--line); background: #fff; color: #363039; }
    .footer-main { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; }
    .footer-brand { font-weight: 800; }
    .footer p { margin: 5px 0; color: #645c65; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
    .footer-links a { color: #504750; font-size: 13px; }
    .footer-links a:hover { color: var(--pink-dark); }
    .copyright { margin-top: 22px; padding-top: 13px; border-top: 1px solid #eee7eb; color: #736c74; font-size: 12px; }
    .floating { position: fixed; z-index: 25; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .floating a { min-width: 48px; padding: 10px; border: 1px solid #e5c4d1; background: #fff; color: #732445; text-align: center; font-size: 12px; box-shadow: 0 4px 16px rgba(40,20,30,.08); }
    .floating a:hover { background: #fff0f5; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    @media (max-width: 980px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 6px; font-size: 12px; }
      .header-cta { padding-inline: 12px; }
      .hero-grid { gap: 28px; }
      .articles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-row { min-height: 64px; }
      .nav-wrap { gap: 10px; }
      .menu-toggle { display: block; }
      .header-cta { display: none; }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        padding: 8px 16px 14px;
        background: #fffafd;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 12px 18px rgba(54,30,42,.08);
      }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .nav-links a { padding: 10px 8px; border-bottom: 1px solid #f2e8ed; font-size: 13px; }
      .hero { padding: 58px 0 40px; }
      .hero-grid, .intro-layout, .contact-layout { grid-template-columns: 1fr; gap: 28px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .hero-panel { max-width: 560px; }
      .metric-strip { grid-template-columns: repeat(2, 1fr); row-gap: 18px; margin-top: 32px; }
      .section { padding: 55px 0; }
      .service-grid, .use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; }
      .workflow { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; }
      .quote-grid, .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
      .articles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-main { display: grid; gap: 17px; }
    }
    @media (max-width: 480px) {
      .brand img { width: 33px; }
      .brand-name { font-size: 15px; }
      .hero-grid { gap: 24px; }
      h1 { font-size: 37px; }
      .hero-actions .button { flex: 1 1 150px; }
      .service-grid, .use-grid, .quote-grid, .case-grid { grid-template-columns: 1fr; }
      .workflow { gap: 20px 16px; }
      .workflow-item { padding-right: 4px; }
      .intro-point { grid-template-columns: 1fr; gap: 4px; }
      .media-row { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .articles { grid-template-columns: 1fr; }
      .floating { right: 10px; bottom: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }