:root {
      color-scheme: light;
      --ink: #29232a;
      --muted: #716871;
      --pink: #d92369;
      --pink-dark: #a91650;
      --pink-pale: #fff0f5;
      --rose: #f7d6e2;
      --line: #eadfe4;
      --paper: #fffdfd;
      --green: #3f7665;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: linear-gradient(180deg, #fff8fa 0, #fffdfd 680px, #fff9fb 100%);
      color: var(--ink);
      font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    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: 10; background: rgba(255,253,253,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; white-space: nowrap; }
    .brand img { width: 38px; max-height: 38px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 8px 9px; color: #534851; text-decoration: none; font-size: 13px; }
    .nav-links a:hover { color: var(--pink); }
    .nav-cta { background: var(--pink); color: #fff !important; border-radius: 4px; margin-left: 7px; padding-inline: 15px !important; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 8px 11px; color: var(--ink); }
    .hero { position: relative; overflow: hidden; padding: 82px 0 56px; border-bottom: 1px solid #f2dce5; }
    .hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 82% 20%, #f9dbe7 0, transparent 35%), linear-gradient(120deg, #fff7fa, #fffdfd 64%); }
    .hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 54px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--pink-dark); font-size: 13px; font-weight: 700; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--pink); }
    h1 { max-width: 680px; margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; }
    .hero-copy { max-width: 630px; margin: 21px 0 0; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 29px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 19px; border: 1px solid var(--pink); border-radius: 4px; background: var(--pink); color: #fff; text-decoration: none; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px #d9236930; background: var(--pink-dark); }
    .button.secondary { background: transparent; color: var(--pink-dark); }
    .button.secondary:hover { background: var(--pink-pale); }
    .hero-note { margin-top: 19px; color: var(--muted); font-size: 13px; }
    .threshold-panel { padding: 25px; border: 1px solid #edcbd8; border-top: 4px solid var(--pink); background: rgba(255,255,255,.88); box-shadow: 0 18px 50px #8123430c; }
    .threshold-panel h2 { margin: 0 0 6px; font-size: 19px; }
    .threshold-panel > p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
    .quality-row { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
    .quality-row strong { color: var(--pink-dark); font-size: 13px; }
    .quality-track { grid-column: 1 / -1; height: 5px; background: #f4e7ec; }
    .quality-track span { display: block; height: 100%; background: var(--pink); }
    .section { padding: 66px 0; }
    .section.tint { background: #fff5f8; border-block: 1px solid #f5e4eb; }
    .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
    .section-heading h2 { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.25; }
    .section-heading p { max-width: 540px; margin: 0; color: var(--muted); }
    .kicker { margin: 0 0 9px; color: var(--pink-dark); font-size: 12px; font-weight: 800; }
    .metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
    .metric { padding: 22px 20px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--pink-dark); font-size: 24px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .intro-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: start; }
    .intro-layout p { color: var(--muted); }
    .feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; margin: 0; padding: 0; list-style: none; }
    .feature-list li { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .feature-list b { display: block; margin-bottom: 3px; }
    .feature-list span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service-item { padding: 19px; border: 1px solid var(--line); background: #fff; transition: transform .2s, border-color .2s, box-shadow .2s; }
    .service-item:hover { transform: translateY(-3px); border-color: #e4a2bc; box-shadow: 0 12px 28px #84234310; }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-item small { display: inline-block; margin-top: 11px; color: var(--pink-dark); font-weight: 700; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow article { position: relative; padding: 19px 19px 20px 0; border-top: 2px solid var(--rose); counter-increment: step; }
    .workflow article::before { content: "0" counter(step); display: block; margin: -32px 0 15px; width: 44px; padding: 3px 0; background: var(--pink); color: white; text-align: center; font-size: 13px; font-weight: 700; }
    .workflow h3 { margin: 0 0 5px; font-size: 16px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 14px; }
    .comparison { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 690px; }
    th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
    thead th { background: #fff0f5; color: #4d3540; }
    tbody th { width: 23%; font-weight: 700; }
    td { color: var(--muted); }
    .score { display: inline-block; color: var(--pink-dark); font-weight: 800; }
    .case-grid, .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .case { background: #fff; border: 1px solid var(--line); }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .case-copy { padding: 17px; }
    .case-copy h3 { margin: 0 0 6px; font-size: 17px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .review { padding: 18px; background: #fff; border-left: 3px solid var(--pink); }
    .review blockquote { margin: 0; color: #4f4650; font-size: 14px; }
    .review cite { display: block; margin-top: 12px; color: var(--pink-dark); font-size: 13px; font-style: normal; font-weight: 700; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; }
    .network span { padding: 8px 11px; border: 1px solid #e9d5de; background: #fff; color: #50464d; font-size: 13px; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .match-copy p { color: var(--muted); }
    .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: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #d9cbd1; border-radius: 3px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-grid .button { justify-self: start; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 15px 35px 15px 0; cursor: pointer; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 12px; color: var(--pink); font-size: 20px; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0; padding: 0 30px 16px 0; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-list a { min-height: 74px; display: flex; align-items: center; padding: 12px; border: 1px solid var(--line); background: #fff; color: var(--pink-dark); text-decoration: none; font-size: 14px; overflow-wrap: anywhere; }
    .article-list a:hover { border-color: var(--pink); }
    .link-cloud { display: flex; flex-wrap: wrap; gap: 8px 17px; }
    .link-cloud a { color: #634c58; font-size: 14px; }
    .contact-band { padding: 26px; display: flex; justify-content: space-between; align-items: center; gap: 24px; background: #fbe5ed; }
    .contact-band h2 { margin: 0; font-size: 23px; }
    .contact-band p { margin: 5px 0 0; color: #67545e; }
    .footer { padding: 28px 0; background: #fff; border-top: 1px solid var(--line); color: #50464d; }
    .footer-inner { display: flex; justify-content: space-between; gap: 25px; align-items: center; }
    .footer p { margin: 0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 15px; }
    .footer-links a { color: #55444d; font-size: 13px; }
    .support-float { position: fixed; right: 18px; bottom: 18px; z-index: 8; display: flex; flex-direction: column; align-items: center; gap: 7px; }
    .support-float a { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--pink); color: #fff; box-shadow: 0 6px 18px #75203a30; text-decoration: none; font-size: 13px; font-weight: 700; }
    .support-float button { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); cursor: pointer; }
    .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; transition-duration: .01ms !important; animation-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }
    @media (max-width: 980px) {
      .menu-toggle { display: inline-flex; }
      .header-inner { position: relative; }
      .nav-links { display: none; position: absolute; top: calc(100% - 1px); left: 0; right: 0; padding: 10px; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 20px #3b1e2b12; align-items: stretch; flex-direction: column; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 10px; }
      .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero-grid { gap: 30px; }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero { padding: 58px 0 42px; }
      .hero-grid, .intro-layout, .match-layout { grid-template-columns: 1fr; gap: 28px; }
      .section { padding: 49px 0; }
      .section-heading { align-items: start; flex-direction: column; gap: 10px; }
      .metric-grid { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .service-grid { grid-template-columns: 1fr 1fr; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 20px 12px; }
      .case-grid, .review-grid { grid-template-columns: 1fr 1fr; }
      .contact-band, .footer-inner { align-items: flex-start; flex-direction: column; }
      .article-list { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 460px) {
      .service-grid, .case-grid, .review-grid, .feature-list, .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .workflow { grid-template-columns: 1fr; gap: 18px; }
      .workflow article { padding-left: 0; }
      .article-list { grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
    }