:root {
      color-scheme: light;
      --ink: #20212a;
      --muted: #686875;
      --paper: #fffaf8;
      --surface: #ffffff;
      --line: #eee5e2;
      --pink: #f34f7b;
      --coral: #ff785c;
      --yellow: #f8cb55;
      --teal: #187d78;
      --green: #146b54;
      --container: 1180px;
      --shadow: 0 14px 42px rgba(51, 34, 39, .08);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    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; }
    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, 229, 226, .9);
      background: rgba(255, 250, 248, .96);
      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; font-weight: 800; font-size: 18px; white-space: nowrap; }
    .brand-mark {
      width: 34px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 11px;
      color: #fff; background: linear-gradient(140deg, var(--pink), var(--coral)); font-size: 16px;
    }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 9px 10px; color: #4e4c55; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--pink); }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      border: 0; border-radius: 7px; padding: 12px 18px; font-weight: 750; cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .nav-cta { flex: 0 0 auto; color: #fff; background: var(--ink); font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(32, 33, 42, .16); }
    .button-primary { color: #fff; background: var(--pink); }
    .button-dark { color: #fff; background: var(--ink); }
    .button-light { color: var(--ink); background: #fff; border: 1px solid var(--line); }
    .menu-toggle { display: none; width: 42px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink); cursor: pointer; }
    .menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 17px; height: 2px; margin: 4px auto; background: currentColor; }
    .hero {
      position: relative; overflow: hidden; padding: 78px 0 54px;
      background: linear-gradient(115deg, #fff0f3 0%, #fff8ee 54%, #eaf7f3 100%);
      border-bottom: 1px solid #f2e7e4;
    }
    .hero::before {
      content: ""; position: absolute; width: 390px; height: 390px; right: -120px; top: -200px;
      border: 1px solid rgba(243, 79, 123, .18); border-radius: 50%;
      box-shadow: 0 0 0 36px rgba(243, 79, 123, .035), 0 0 0 76px rgba(24, 125, 120, .035);
      animation: orbit 16s linear infinite;
    }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 50px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #a72d53; font-size: 13px; font-weight: 800; }
    .eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--pink); }
    h1 { max-width: 680px; margin: 18px 0 18px; font-size: clamp(38px, 6vw, 66px); line-height: 1.12; letter-spacing: 0; }
    .hero h1 em { color: var(--pink); font-style: normal; }
    .hero-copy { max-width: 620px; margin: 0; color: #55535c; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { display: flex; align-items: center; gap: 9px; margin-top: 22px; color: var(--muted); font-size: 13px; }
    .hero-note b { color: var(--green); }
    .hero-art { position: relative; min-height: 310px; display: grid; place-items: center; }
    .flow-board { width: min(100%, 410px); padding: 22px; border: 1px solid rgba(32, 33, 42, .1); border-radius: 12px; background: rgba(255,255,255,.76); box-shadow: var(--shadow); transform: rotate(1.2deg); }
    .flow-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
    .flow-top strong { font-size: 15px; }
    .flow-tag { padding: 4px 9px; border-radius: 20px; color: #8c3a50; background: #ffe8ee; font-size: 11px; font-weight: 700; }
    .flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 22px; }
    .flow-step { min-width: 0; padding: 12px 7px; border-radius: 7px; text-align: center; background: #fff6f3; }
    .flow-step:nth-child(2) { background: #fff3d8; }
    .flow-step:nth-child(3) { background: #e8f7f2; }
    .flow-step:nth-child(4) { background: #fce8ef; }
    .flow-step b { display: block; margin-bottom: 5px; font-size: 13px; }
    .flow-step span { display: block; color: var(--muted); font-size: 11px; line-height: 1.4; }
    .flow-arrow { position: absolute; top: 48%; right: -5px; color: var(--pink); font-size: 24px; }
    .metric-strip { position: relative; margin-top: 42px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(32,33,42,.12); }
    .metric { padding: 22px 18px 0; border-right: 1px solid rgba(32,33,42,.12); }
    .metric:first-child { padding-left: 0; }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; font-size: 23px; line-height: 1.2; }
    .metric span { color: var(--muted); font-size: 12px; }
    main section { padding: 76px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 700px; }
    .section-kicker { color: #bc3c60; font-size: 12px; font-weight: 850; text-transform: uppercase; }
    h2 { margin: 7px 0 8px; font-size: clamp(27px, 4vw, 39px); line-height: 1.2; letter-spacing: 0; }
    .section-desc { margin: 0; color: var(--muted); font-size: 15px; }
    .text-link { color: #b52e54; font-size: 14px; font-weight: 750; white-space: nowrap; }
    .about-band { background: #fff; }
    .about-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 52px; align-items: start; }
    .about-intro { border-left: 4px solid var(--pink); padding: 5px 0 5px 20px; }
    .about-intro p { margin: 12px 0 0; color: var(--muted); }
    .about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 28px; }
    .about-item { padding-top: 13px; border-top: 1px solid var(--line); }
    .about-item h3 { margin: 0 0 5px; font-size: 16px; }
    .about-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .logo-panel { margin-top: 34px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .logo-panel img { width: 152px; }
    .services { background: #fff5f3; }
    .service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
    .service-item { padding: 19px; border: 1px solid #f0e4e1; border-radius: 8px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service-item:hover, .review:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .service-icon { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 12px; border-radius: 9px; color: #a02c51; background: #ffe7ed; font-size: 14px; font-weight: 900; }
    .service-item:nth-child(4n+2) .service-icon { color: #946300; background: #fff1c9; }
    .service-item:nth-child(4n+3) .service-icon { color: #176b64; background: #def4eb; }
    .service-item:nth-child(4n+4) .service-icon { color: #854d90; background: #f4e5f5; }
    .service-item h3 { margin: 0 0 6px; font-size: 15px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
    .model-band { padding: 28px 0; background: #21252a; color: #fff; }
    .model-row { display: flex; align-items: center; gap: 22px; }
    .model-row strong { flex: 0 0 auto; font-size: 14px; }
    .model-list { display: flex; flex-wrap: wrap; gap: 7px; }
    .model-list span { padding: 4px 9px; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; color: #f6efee; font-size: 11px; }
    .workflows { background: #fff; }
    .workflow-layout { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 48px; }
    .workflow-copy p { color: var(--muted); }
    .workflow-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .workflow-list div { padding: 15px; border-left: 3px solid var(--coral); background: #fff7f2; }
    .workflow-list b { display: block; margin-bottom: 3px; font-size: 14px; }
    .workflow-list span { color: var(--muted); font-size: 12px; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 30px; }
    .step { position: relative; padding: 0 20px 0 0; }
    .step:not(:last-child)::after { content: ""; position: absolute; top: 18px; left: 45px; right: 8px; border-top: 1px dashed #e6a1ad; }
    .step-num { position: relative; z-index: 1; width: 38px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid #ef9eb0; border-radius: 50%; color: #a82f51; background: #fff; font-weight: 800; font-size: 13px; }
    .step h3 { margin: 12px 0 4px; font-size: 15px; }
    .step p { margin: 0; color: var(--muted); font-size: 12px; }
    .industries { background: #f2f8f5; }
    .industry-row { display: flex; flex-wrap: wrap; gap: 9px; }
    .industry-row span { padding: 9px 14px; border: 1px solid #d6e8df; border-radius: 4px; color: #244f43; background: #fff; font-size: 13px; }
    .network-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
    .network-copy { padding-right: 20px; }
    .network-copy p { color: var(--muted); }
    .network-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .network-points div { padding: 15px 0; border-top: 1px solid var(--line); }
    .network-points b { display: block; font-size: 15px; }
    .network-points span { color: var(--muted); font-size: 12px; }
    .case-section { background: #fff; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .case { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
    .case-media { aspect-ratio: 16 / 9; overflow: hidden; background: #f5edeb; }
    .case-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .case-body { padding: 17px; }
    .case-body span { color: #b7385c; font-size: 11px; font-weight: 800; }
    .case-body h3 { margin: 5px 0; font-size: 16px; }
    .case-body p { margin: 0; color: var(--muted); font-size: 13px; }
    .reviews { background: #fff4f1; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 19px; border: 1px solid #f0e3df; border-radius: 7px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .review blockquote { margin: 0 0 15px; color: #48464d; font-size: 13px; }
    .review footer { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 11px; }
    .review footer strong { color: var(--ink); font-size: 12px; }
    .comparison { background: #fff; }
    .score-panel { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-bottom: 20px; padding: 22px 25px; border-radius: 8px; color: #fff; background: #26272e; }
    .score-panel h3 { margin: 0 0 3px; font-size: 18px; }
    .score-panel p { margin: 0; color: #dad6d6; font-size: 12px; }
    .score { text-align: right; white-space: nowrap; }
    .score strong { display: block; color: #ffd25d; font-size: 35px; line-height: 1.1; }
    .score span { color: #ffe79a; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 7px; }
    table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 13px; }
    th { color: #4d4a52; background: #faf6f4; font-size: 12px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { font-weight: 750; }
    .positive { color: #16765c; font-weight: 750; }
    .price { background: #f2f8f5; }
    .price-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .price-copy p { color: var(--muted); }
    .price-callout { padding: 21px; border-left: 4px solid var(--teal); background: #fff; }
    .price-callout strong { display: block; margin-bottom: 6px; font-size: 17px; }
    .price-callout p { margin: 0; color: var(--muted); font-size: 13px; }
    .price-callout a { display: inline-block; margin-top: 12px; color: #116b63; font-size: 13px; font-weight: 800; }
    .reviews + section { background: #fff; }
    .faq-list { max-width: 900px; border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; list-style: none; font-size: 15px; font-weight: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 14px; color: var(--pink); font-size: 22px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 760px; margin: -3px 0 17px; color: var(--muted); font-size: 13px; }
    .article-section { background: #fff; }
    .article-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; align-items: start; }
    .article-layout > div:first-child p { color: var(--muted); }
    .article-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; border-top: 1px solid var(--line); }
    .article-links a { padding: 13px 0; border-bottom: 1px solid var(--line); color: #4f4d55; font-size: 13px; }
    .article-links a:hover { color: var(--pink); }
    .contact { background: #fff3ef; }
    .contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 45px; align-items: start; }
    .contact-info p { color: var(--muted); }
    .contact-details { display: grid; gap: 12px; margin-top: 22px; }
    .contact-details a, .contact-details div { color: #43414a; font-size: 14px; }
    .contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; padding: 22px; border: 1px solid #f0e1dd; border-radius: 8px; background: #fff; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; border: 1px solid #ded9d7; border-radius: 5px; padding: 11px 12px; color: var(--ink); background: #fff; outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(243,79,123,.1); }
    .field textarea { min-height: 104px; resize: vertical; }
    .contact-form .button { grid-column: 1 / -1; justify-self: start; }
    .footer { padding: 34px 0 22px; color: #302d34; background: #fff; border-top: 1px solid var(--line); }
    .footer-main { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .footer p { margin: 8px 0 0; color: #67636b; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 9px 17px; justify-content: flex-end; }
    .footer-links a { color: #4f4a52; font-size: 12px; }
    .footer-links a:hover { color: var(--pink); }
    .copyright { margin-top: 22px; padding-top: 15px; border-top: 1px solid var(--line); color: #706b72; font-size: 11px; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating-contact a { display: grid; place-items: center; width: 48px; min-height: 48px; border: 1px solid #f1d9df; border-radius: 50%; color: #9e2d4d; background: #fff; box-shadow: 0 5px 18px rgba(51,34,39,.12); font-size: 11px; font-weight: 800; }
    .floating-contact a:first-child { color: #fff; background: var(--pink); border-color: var(--pink); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @media (max-width: 980px) {
      .nav-links { position: absolute; top: 71px; left: 0; right: 0; display: none; align-items: stretch; padding: 8px 20px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { padding: 10px 7px; }
      .menu-toggle { display: block; margin-left: auto; }
      .nav-cta { padding: 10px 13px; }
      .hero-inner { gap: 20px; }
      .service-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; gap: 10px; }
      .brand { font-size: 16px; }
      .nav-links { top: 63px; }
      .nav-links.open { grid-template-columns: repeat(2, 1fr); }
      .hero { padding: 52px 0 32px; }
      .hero-inner { grid-template-columns: 1fr; gap: 22px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .hero-art { min-height: 225px; }
      .flow-board { padding: 17px; transform: none; }
      .metric-strip { grid-template-columns: repeat(2, 1fr); margin-top: 26px; }
      .metric { padding: 15px 10px; border-bottom: 1px solid rgba(32,33,42,.12); }
      .metric:first-child { padding-left: 10px; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(n+3) { border-bottom: 0; }
      main section { padding: 54px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; margin-bottom: 23px; }
      .about-layout, .workflow-layout, .network-layout, .price-layout, .article-layout, .contact-layout { grid-template-columns: 1fr; gap: 25px; }
      .about-grid { gap: 16px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); gap: 9px; }
      .service-item { padding: 14px; }
      .model-row { align-items: start; flex-direction: column; gap: 12px; }
      .workflow-list { gap: 8px; }
      .steps { grid-template-columns: repeat(2, 1fr); gap: 22px 12px; }
      .step:not(:last-child)::after { display: none; }
      .case-grid { grid-template-columns: 1fr; }
      .case-media { aspect-ratio: 16 / 8; }
      .review-grid { grid-template-columns: 1fr; }
      .score-panel { align-items: start; flex-direction: column; }
      .score { text-align: left; }
      .score strong { display: inline; margin-right: 8px; font-size: 28px; }
      .network-points { gap: 7px 16px; }
      .article-links { grid-template-columns: 1fr; }
      .contact-form { padding: 16px; }
      .footer-main { grid-template-columns: 1fr; gap: 20px; }
      .footer-links { justify-content: flex-start; }
      .floating-contact { right: 10px; bottom: 12px; }
      .floating-contact a { width: 43px; min-height: 43px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }