:root {
      color-scheme: light;
      --ink: #29212a;
      --muted: #706772;
      --pink: #d92d72;
      --pink-dark: #a71955;
      --rose: #fff0f5;
      --paper: #fff9fb;
      --line: #eadde3;
      --green: #166b59;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, 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: 20;
      background: rgba(255, 249, 251, .96);
      border-bottom: 1px solid var(--line);
      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; text-decoration: none; flex-shrink: 0; }
    .brand img { width: 38px; max-height: 38px; object-fit: contain; }
    .brand span { font-size: 18px; font-weight: 800; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 9px 10px; color: #514750; text-decoration: none; font-size: 13px; white-space: nowrap; transition: color .2s; }
    .nav-links a:hover { color: var(--pink); }
    .nav-links .nav-cta { margin-left: 8px; padding: 10px 16px; color: #fff; background: var(--pink); border-radius: 5px; }
    .menu-toggle { display: none; border: 1px solid var(--line); color: var(--ink); background: #fff; border-radius: 5px; padding: 8px 12px; cursor: pointer; }
    .hero { position: relative; overflow: hidden; border-bottom: 1px solid #f0dbe4; background: linear-gradient(120deg, #fff9fb 0%, #ffeaf2 54%, #fff3e9 100%); }
    .hero::after { content: ""; position: absolute; right: max(4%, calc((100vw - var(--container))/2)); top: 18%; width: 230px; aspect-ratio: 1; border: 1px solid rgba(217,45,114,.19); border-radius: 50%; box-shadow: 0 0 0 32px rgba(217,45,114,.035), 0 0 0 66px rgba(217,45,114,.025); pointer-events: none; }
    .hero-inner { position: relative; z-index: 1; padding-block: 78px 54px; }
    .hero-copy { max-width: 760px; }
    .eyebrow { color: var(--pink-dark); text-transform: uppercase; font-weight: 750; font-size: 12px; letter-spacing: 1.4px; }
    h1 { max-width: 700px; margin: 14px 0 18px; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy p { max-width: 630px; margin: 0; color: #5f535d; font-size: 17px; }
    .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 27px; }
    .button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 46px; padding: 11px 19px; border: 1px solid transparent; border-radius: 5px; text-decoration: none; font-weight: 750; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(167,25,85,.16); }
    .button-primary { background: var(--pink); color: #fff; }
    .button-outline { background: #fff; border-color: #d8a8ba; color: var(--pink-dark); }
    .hero-note { margin-top: 14px; color: var(--muted); font-size: 13px; }
    .hero-ribbon { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(167,25,85,.18); }
    .hero-ribbon span { padding: 6px 11px; border: 1px solid #efd0dc; border-radius: 4px; background: rgba(255,255,255,.7); color: #574751; font-size: 13px; }
    .section { padding-block: 68px; border-bottom: 1px solid #f0e3e8; }
    .section-tint { background: #fff2f6; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
    .section-heading h2 { margin: 6px 0 0; font-size: 30px; line-height: 1.2; letter-spacing: 0; }
    .section-heading p { max-width: 510px; margin: 0; color: var(--muted); }
    .kicker { color: var(--pink-dark); font-size: 12px; font-weight: 800; letter-spacing: 1px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 38px; border: 1px solid #efd5df; background: #efd5df; }
    .metric { padding: 19px 20px; background: rgba(255,255,255,.78); }
    .metric strong { display: block; color: var(--pink-dark); font-size: 21px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 38px; align-items: start; }
    .intro-grid h2 { margin-top: 0; font-size: 30px; }
    .intro-grid p { color: #5e555e; }
    .capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; margin: 0; padding: 0; list-style: none; }
    .capability-list li { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; font-size: 14px; }
    .capability-list span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 26px; }
    .service-item { padding: 22px 0; border-top: 1px solid #e8c9d5; }
    .service-item h3 { margin: 0 0 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-index { display: block; margin-bottom: 9px; color: var(--pink); font-size: 12px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
    .step { padding: 18px 0; border-top: 2px solid var(--pink); }
    .step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 12px; color: var(--pink-dark); font-size: 14px; font-weight: 800; }
    .step h3 { margin: 0 0 6px; font-size: 16px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry-list { display: flex; flex-wrap: wrap; gap: 10px; }
    .industry-list span { padding: 9px 13px; border-left: 3px solid var(--pink); background: #fff; color: #493e47; }
    .network-band { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; align-items: center; }
    .network-band h2 { margin: 0 0 8px; font-size: 27px; }
    .network-band p { margin: 0; color: var(--muted); }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 7px 10px; border: 1px solid #ead3dc; background: #fff; color: #514650; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .case { overflow: hidden; background: #fff; border-bottom: 2px solid #e4afc2; }
    .case-media { aspect-ratio: 16 / 9; overflow: hidden; background: #f7e9ee; }
    .case-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
    .case:hover img { transform: scale(1.035); }
    .case-copy { padding: 16px 17px 18px; }
    .case-copy h3 { margin: 0 0 5px; font-size: 17px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .rating-panel { display: grid; grid-template-columns: .7fr 1.3fr; gap: 28px; align-items: center; margin-bottom: 25px; padding: 24px; background: #fff; border-left: 4px solid var(--pink); }
    .rating-score { color: var(--pink-dark); font-size: 40px; font-weight: 850; line-height: 1; }
    .rating-score small { display: block; margin-top: 9px; color: var(--muted); font-size: 13px; font-weight: 500; }
    .stars { color: #c75d35; font-size: 21px; letter-spacing: 2px; }
    .rating-panel p { margin: 8px 0 0; color: var(--muted); }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 680px; }
    th, td { padding: 14px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
    th { background: #fdebf2; color: #452d3a; font-size: 13px; }
    td { font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    .positive { color: var(--green); font-weight: 700; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; align-items: start; }
    .match-layout h2 { margin-top: 0; font-size: 29px; }
    .form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .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%; min-height: 44px; padding: 10px 12px; border: 1px solid #d9cbd2; border-radius: 4px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 115px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(217,45,114,.22); border-color: var(--pink); }
    .form-note { color: var(--muted); font-size: 12px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .review { padding: 18px 0; border-top: 1px solid #e5bacb; }
    .review blockquote { margin: 0 0 14px; color: #4f454e; }
    .review cite { color: var(--pink-dark); font-size: 13px; font-style: normal; font-weight: 750; }
    .articles { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
    .article-link { display: flex; justify-content: space-between; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
    .article-link span:first-child { font-weight: 650; }
    .article-link span:last-child { color: var(--pink-dark); white-space: nowrap; font-size: 13px; }
    .faq-list { max-width: 900px; }
    details { border-top: 1px solid #e6cbd5; }
    details:last-child { border-bottom: 1px solid #e6cbd5; }
    summary { position: relative; padding: 17px 36px 17px 0; cursor: pointer; list-style: none; font-weight: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; color: var(--pink); font-size: 20px; top: 11px; }
    details[open] summary::after { content: "−"; }
    details p { margin: -4px 0 17px; max-width: 760px; color: var(--muted); }
    .join-strip { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px; background: #fdebf2; }
    .join-strip h2 { margin: 0 0 5px; font-size: 24px; }
    .join-strip p { margin: 0; color: var(--muted); }
    .site-footer { padding: 34px 0 24px; background: #fff; color: #302630; }
    .footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
    .footer-grid h2, .footer-grid h3 { margin: 0 0 10px; font-size: 15px; }
    .footer-grid p { margin: 4px 0; color: #625861; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 6px 14px; }
    .footer-links a { color: #51464f; text-decoration: none; font-size: 13px; }
    .footer-links a:hover { color: var(--pink-dark); }
    .qr { width: 112px; margin-top: 8px; border: 1px solid var(--line); }
    .copyright { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); color: #706772; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 18px; display: grid; gap: 8px; }
    .float-contact a { display: block; padding: 10px 13px; border: 1px solid #e7bfd0; border-radius: 4px; background: #fff; color: var(--pink-dark); font-size: 13px; font-weight: 750; text-decoration: none; box-shadow: 0 5px 18px rgba(65,30,47,.1); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s 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: 920px) {
      .menu-toggle { display: inline-flex; }
      .nav-row { position: relative; }
      .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 10px; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 20px rgba(55,30,42,.08); align-items: stretch; }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 11px; }
      .nav-links .nav-cta { margin: 4px 0; text-align: center; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .hero::after { right: 2%; width: 170px; opacity: .6; }
    }
    @media (max-width: 650px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero-inner { padding-block: 57px 38px; }
      .hero-copy p { font-size: 15px; }
      .section { padding-block: 48px; }
      .section-heading { display: block; }
      .section-heading p { margin-top: 10px; }
      .section-heading h2, .intro-grid h2 { font-size: 26px; }
      .metrics { grid-template-columns: repeat(2, 1fr); }
      .intro-grid, .network-band, .match-layout, .rating-panel { grid-template-columns: 1fr; }
      .capability-list, .service-grid, .workflow, .case-grid, .review-grid, .articles { grid-template-columns: 1fr; }
      .service-item { padding: 18px 0; }
      .workflow { gap: 8px; }
      .step { padding: 14px 0; }
      .case-grid { gap: 18px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .join-strip { display: block; }
      .join-strip .button { margin-top: 16px; }
      .footer-grid { grid-template-columns: 1fr; gap: 20px; }
      .float-contact { right: 10px; bottom: 10px; }
      .float-contact a { padding: 8px 10px; }
      .hero::after { right: -48px; top: 35%; width: 130px; }
    }