:root {
      --ink: #29222a;
      --muted: #706771;
      --pink: #d92772;
      --pink-dark: #a91c58;
      --rose: #fff0f6;
      --line: #eedde5;
      --paper: #fffafc;
      --white: #fff;
      --lime: #c9e66b;
      --shadow: 0 16px 44px rgba(106, 32, 68, .08);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      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; }
    button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    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,.95); border-bottom: 1px solid rgba(238,221,229,.8); backdrop-filter: blur(14px); }
    .nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; letter-spacing: 0; }
    .brand img { display: block; width: 42px; max-height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; white-space: nowrap; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 8px 9px; color: #514750; font-size: 12px; white-space: nowrap; border-radius: 5px; transition: color .2s ease, background .2s ease; }
    .nav-links a:hover { color: var(--pink-dark); background: var(--rose); }
    .nav-actions { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); border-radius: 5px; padding: 8px 11px; cursor: pointer; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 5px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(169,28,88,.18); }
    .button-primary { background: var(--pink); color: #fff; }
    .button-primary:hover { background: var(--pink-dark); }
    .button-outline { color: var(--pink-dark); border-color: #e3a2be; background: #fff; }
    .button-lime { background: var(--lime); color: #283019; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 50px; background: linear-gradient(135deg, #fff6fa 0%, #ffe7f0 56%, #fff9ed 100%); }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; border: 1px solid rgba(217,39,114,.13); transform: rotate(36deg); }
    .hero::before { width: 380px; height: 380px; right: -180px; top: -180px; border-radius: 48px; }
    .hero::after { width: 190px; height: 190px; right: 12%; bottom: -145px; border-radius: 32px; }
    .hero-inner { position: relative; z-index: 1; max-width: 890px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--pink-dark); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--pink); }
    h1 { max-width: 800px; margin: 18px 0 16px; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 700px; color: #5e535c; font-size: 18px; margin: 0 0 26px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin-top: 21px; color: #756a73; font-size: 13px; }
    .hero-note strong { color: var(--pink-dark); }
    .metrics { padding: 0 0 46px; background: linear-gradient(180deg, #fff2f7, #fffafc); }
    .metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); background: rgba(255,255,255,.88); box-shadow: var(--shadow); }
    .metric { padding: 21px 24px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--pink-dark); font-size: 22px; line-height: 1.3; }
    .metric span { color: var(--muted); font-size: 13px; }
    main { overflow: hidden; }
    .section { padding: 78px 0; }
    .section-tint { background: #fff2f7; }
    .section-paper { background: #fffafc; }
    .section-heading { max-width: 720px; margin-bottom: 34px; }
    .section-heading h2 { margin: 7px 0 10px; font-size: clamp(28px, 3.5vw, 40px); line-height: 1.22; letter-spacing: 0; }
    .section-heading p { margin: 0; color: var(--muted); }
    .section-kicker { color: var(--pink-dark); font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: start; }
    .intro-copy p { color: #5f555e; margin: 0 0 15px; }
    .intro-visual { padding: 24px; background: #fff; border-left: 4px solid var(--pink); box-shadow: var(--shadow); }
    .intro-visual h3 { margin: 0 0 10px; font-size: 19px; }
    .intro-visual p { margin: 0; color: var(--muted); font-size: 14px; }
    .pill-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
    .pill { display: inline-flex; padding: 6px 11px; border: 1px solid #f0d4e0; color: #77415b; background: #fff8fb; font-size: 12px; border-radius: 3px; }
    .capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .capability { padding: 22px; background: #fff; border: 1px solid var(--line); transition: transform .22s ease, box-shadow .22s ease; }
    .capability:hover, .service-item:hover, .quote:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .cap-number { color: var(--pink); font-size: 12px; font-weight: 800; }
    .capability h3 { margin: 9px 0 7px; font-size: 18px; }
    .capability p { margin: 0; color: var(--muted); font-size: 14px; }
    .services { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .service-item { padding: 17px 18px; border: 1px solid var(--line); background: #fff; transition: transform .22s ease, box-shadow .22s ease; }
    .service-item h3 { margin: 0 0 5px; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-feature { padding: 28px; color: #fff; background: #322630; }
    .service-feature .section-kicker { color: #f6a9c9; }
    .service-feature h3 { margin: 8px 0 12px; font-size: 25px; line-height: 1.3; }
    .service-feature p { color: #f2e9ee; margin: 0 0 16px; }
    .service-feature ul { margin: 0; padding-left: 19px; color: #f2e9ee; }
    .service-feature li { margin: 5px 0; }
    .media-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .media-frame { padding: 10px; background: white; border: 1px solid var(--line); }
    .media-frame img { display: block; width: 100%; height: auto; }
    .media-caption { padding: 10px 4px 2px; color: var(--muted); font-size: 13px; }
    .wide-media { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .wide-media figure { margin: 0; }
    .wide-media img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid #e9c6d6; }
    .step { position: relative; padding: 25px 22px 10px 0; }
    .step::before { content: ""; position: absolute; width: 11px; height: 11px; top: -6px; left: 0; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 5px #fff2f7; }
    .step small { color: var(--pink-dark); font-weight: 800; }
    .step h3 { margin: 8px 0; font-size: 18px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .industry { min-height: 116px; padding: 18px; border-top: 3px solid var(--pink); background: #fff; }
    .industry h3 { margin: 0 0 6px; font-size: 16px; }
    .industry p { margin: 0; color: var(--muted); font-size: 13px; }
    .network-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 38px; align-items: start; }
    .network-band p { color: var(--muted); }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 7px 10px; border: 1px solid #edd3de; background: #fff; color: #55444e; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .case { padding: 23px; background: #fff; border: 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 { color: var(--muted); margin: 0; font-size: 14px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 760px; border-collapse: collapse; text-align: left; }
    th, td { padding: 15px 16px; border-bottom: 1px solid #f0e2e8; vertical-align: top; }
    th { color: #4f3b47; background: #fff2f7; font-size: 13px; }
    td { color: #5f555e; font-size: 14px; }
    tbody tr:last-child td { border-bottom: 0; }
    .rating { display: flex; align-items: center; gap: 20px; margin-bottom: 22px; padding: 20px 24px; background: #fff; border-left: 4px solid var(--pink); }
    .rating strong { color: var(--pink-dark); font-size: 30px; }
    .stars { color: #c23a70; letter-spacing: 0; }
    .rating span { color: var(--muted); font-size: 14px; }
    .fit-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: start; }
    .fit-points { margin: 0; padding-left: 19px; color: #5f555e; }
    .fit-points li { margin-bottom: 9px; }
    .token-panel { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; padding: 25px 28px; border: 1px solid var(--line); background: #fff; }
    .token-panel h3 { margin: 0 0 6px; font-size: 20px; }
    .token-panel p { margin: 0; color: var(--muted); font-size: 14px; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote { padding: 20px; background: #fff; border: 1px solid var(--line); transition: transform .22s ease, box-shadow .22s ease; }
    .quote blockquote { margin: 0; color: #514750; font-size: 14px; }
    .quote footer { margin-top: 15px; color: var(--pink-dark); font-size: 13px; font-weight: 700; }
    .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; list-style: none; cursor: pointer; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 13px; color: var(--pink-dark); font-size: 23px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { margin: -2px 38px 17px 0; color: var(--muted); font-size: 14px; }
    .articles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px; background: #fff; border: 1px solid var(--line); font-size: 13px; transition: color .2s ease, border-color .2s ease; }
    .article-link:hover { color: var(--pink-dark); border-color: #e3a2be; }
    .article-link span:last-child { color: var(--pink); font-size: 18px; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: start; }
    .contact-details { padding: 24px; background: #fff; border: 1px solid var(--line); }
    .contact-details h3 { margin: 0 0 12px; }
    .contact-details p { margin: 8px 0; color: var(--muted); }
    .qr { width: 148px; margin-top: 14px; padding: 7px; border: 1px solid var(--line); background: #fff; }
    .qr img { display: block; width: 100%; height: auto; }
    .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 { color: #514750; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 10px 12px; color: var(--ink); background: #fff; border: 1px solid #ddcbd4; border-radius: 3px; outline: none; }
    .field textarea { min-height: 120px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(217,39,114,.1); }
    .form-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
    .footer { padding: 30px 0 24px; color: #554750; background: #fff1f6; border-top: 1px solid var(--line); }
    .footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 26px; }
    .footer p { margin: 6px 0; color: #6c6069; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; max-width: 650px; }
    .footer-links a { color: #574650; font-size: 13px; }
    .footer-links a:hover { color: var(--pink-dark); }
    .copyright { margin-top: 20px; padding-top: 15px; border-top: 1px solid #ead7e0; color: #766a73; font-size: 12px; }
    .float-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; }
    .float-contact a { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 15px; color: #fff; background: var(--pink-dark); border-radius: 4px; box-shadow: 0 6px 20px rgba(110,24,62,.22); font-size: 13px; font-weight: 700; }
    .reveal { opacity: 0; transform: translateY(14px); 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: 1020px) {
      .nav-links a { padding-inline: 6px; font-size: 11px; }
      .nav-actions .button { padding-inline: 13px; }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .articles { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 800px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-shell { min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-actions { margin-left: auto; }
      .nav-links { display: none; width: 100%; justify-content: flex-start; padding: 8px 0 4px; border-top: 1px solid var(--line); }
      .nav-links.is-open { display: flex; }
      .nav-links a { font-size: 12px; }
      .hero { padding-top: 58px; }
      .intro-grid, .services, .network-band, .fit-grid, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
      .capability-grid { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
      .step:nth-child(3) { margin-top: 8px; }
      .case-grid, .reviews { grid-template-columns: repeat(2, 1fr); }
      .metric { padding: 17px; }
    }
    @media (max-width: 560px) {
      .container { width: calc(100% - 28px); }
      .brand img { width: 36px; max-height: 36px; }
      .brand-name { font-size: 15px; }
      .nav-actions .button { min-height: 38px; padding-inline: 10px; font-size: 12px; }
      .menu-toggle { padding: 7px 9px; font-size: 13px; }
      .hero { padding: 48px 0 36px; }
      h1 { font-size: 40px; }
      .hero-copy { font-size: 16px; }
      .metric-row { grid-template-columns: repeat(2, 1fr); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .section { padding: 58px 0; }
      .capability-grid, .service-list, .case-grid, .reviews, .media-grid, .wide-media { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .step { padding-bottom: 16px; }
      .step:nth-child(3) { margin-top: 0; }
      .industry-grid { grid-template-columns: 1fr 1fr; }
      .articles { grid-template-columns: repeat(2, 1fr); }
      .token-panel { grid-template-columns: 1fr; }
      .rating { align-items: flex-start; flex-direction: column; gap: 4px; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .footer-top { flex-direction: column; }
      .float-contact { right: 12px; bottom: 12px; }
      .float-contact a { min-height: 42px; }
    }